Abstract

A display panel includes a flexible substrate. The flexible substrate includes a display region and a peripheral region. A plurality of self-luminescent elements is on a first main face of the display region of the flexible substrate. A plurality of thin film transistor (TFT) circuits is between the first main face and the self-luminescent elements. The TFT circuits drive the self-luminescent elements. A first inorganic film is between the TFT circuits and the self-luminescent elements, and includes a step portion which is a thinned portion of the first inorganic film disposed in the peripheral region of the flexible substrate. A second inorganic film covers the self-luminescent elements. A resin layer overlaps the second inorganic film and overlaps at least a portion of the first inorganic film in contact with an end portion of the second inorganic film.

IPC Classes  ?

• H10K 50/844 - Encapsulations
• H10K 59/12 - Active-matrix OLED [AMOLED] displays
• H10K 77/10 - Substrates, e.g. flexible substrates

Abstract

Provided is an inspection method that is for a display panel and that is carried out by a computer, said inspection method comprising: an acquisition step (S11) for acquiring an anomalous part image which is an image that has been obtained by carrying out image processing using a background subtraction method on an inspection image of a pixel region of the display panel and that includes an anomalous part of said pixel region; a generation step (S12) for using a trained generation model to generate, from the anomalous part image, a label image in which a region indicating the anomalous part has been converted into a color corresponding to a defect mode of the anomalous part; and a determination step (S13) for determining, on the basis of the color of said region in the label image, whether the defect mode of the anomalous part has the possibility of being a seepage defect in which light is not emitted due to deterioration of a functional layer in said pixel region, wherein the defect mode includes a dark dot defect and the seepage defect.

IPC Classes  ?

• G01N 21/956 - Inspecting patterns on the surface of objects
• G06T 7/00 - Image analysis
• G06V 10/82 - Arrangements for image or video recognition or understanding using pattern recognition or machine learning using neural networks

Abstract

Display panels, manufacturing methods thereof, and display devices are provided. The display panel includes a substrate, a thin film transistor layer, an insulation film, a first conductive layer disposed above the insulation film, a light-emitting layer including an organic material and disposed above the first conductive layer, a functional layer disposed above the light-emitting layer, and a second conductive layer disposed above the functional layer. The insulation film includes protrusions protruding upwards. The first conductive layer includes pixel electrodes and auxiliary electrodes insulated from the pixel electrodes. The auxiliary electrode is disposed above the protrusion and includes a protruding part having a height higher than that of the pixel electrode in a vertical direction. The functional layer includes through holes disposed above the protrusions. The second conductive layer is connected to the protruding parts via the through holes.

IPC Classes  ?

• H10K 59/123 - Connection of the pixel electrodes to the thin film transistors [TFT]
• H10K 59/12 - Active-matrix OLED [AMOLED] displays
• H10K 59/80 - Constructional details
• H10K 59/35 - Devices specially adapted for multicolour light emission comprising red-green-blue [RGB] subpixels

Abstract

Provided is a tiling display having, for a tiling panel, a structure that suppresses diminishing of display quality caused by light reflection at a joint portion between self-luminous panels.　The tiling panel is obtained by arranging a plurality of self-luminous panels. Each of the plurality of self-luminous panels comprises, as display regions on a front surface side, a main display region and a sub-display region having a portion connecting to the main display region and curving in a panel rear surface direction. Two adjacent self-luminous panels are arranged such that the respective sub-display regions thereof are in proximity. In the sub-display region, a circularly polarized light layer is formed over a light entry/emission path.

IPC Classes  ?

• G09F 9/40 - Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character is selected from a number of characters arranged one beside the other, e.g. on a common carrier plate
• G09F 9/00 - Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
• G09F 9/30 - Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements

Abstract

An organic electro luminescence display panel includes pixel electrodes, a plurality of elongated column banks, a missing portion at which part of the elongated column banks does not exist, a pair of repair banks formed, above the pixel electrodes, in each of two gaps between a column bank that has the missing portion and column banks adjacent on opposite sides in a row direction of the column bank, a light emitting layer composed of an application film formed in each of gaps between the plurality of column banks, and a common electrode provided above the light emitting layer. The repair banks include a pair of repair row banks formed at positions spaced by a predetermined distance or more in a column direction above the pixel electrodes that exist in the two gaps and whose positions in the column direction are same, at least at part thereof, as that of the missing portion, and repair column banks that connect, in the column direction, an end portion of each of the repair row banks that are not connected in the row direction to the column bank that has the missing portion to a closest portion of the column bank.

IPC Classes  ?

• H01L 27/32 - Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including components using organic materials as the active part, or using a combination of organic materials with other materials as the active part with components specially adapted for light emission, e.g. flat-panel displays using organic light-emitting diodes
• H01L 51/56 - Processes or apparatus specially adapted for the manufacture or treatment of such devices or of parts thereof

Abstract

According to one embodiment, a display device includes a pixel area including pixels each including at least one thin film transistor includes a semiconductor layer and a gate electrode, a first terminal area including a first wiring line disposed thereon connected to the at least one thin film transistor, a first protective film provided on the semiconductor layer, the gate electrode and the first wiring line, a first insulating film provided on the first protective film, a second protective film provided on the first insulating film, a second insulating film provided on the second protective film, a first opening formed in the first terminal area, and partially exposing the first wiring line, and a second opening formed to correspond to the first opening.

IPC Classes  ?

• H10K 59/131 - Interconnections, e.g. wiring lines or terminals
• H10K 50/844 - Encapsulations
• H10K 59/121 - Active-matrix OLED [AMOLED] displays characterised by the geometry or disposition of pixel elements
• H10K 59/12 - Active-matrix OLED [AMOLED] displays

Abstract

A compound of formula (7) is provided 4 is a linking group selected from the group consisting of: 18 is a phenylphenyl group which may be substituted by a phenyl group or a naphthyl group, or a phenyl group which may be substituted by a naphthyl group.

IPC Classes  ?

• H01L 51/00 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof
• C09K 11/06 - Luminescent, e.g. electroluminescent, chemiluminescent, materials containing organic luminescent materials
• C07D 209/86 - CarbazolesHydrogenated carbazoles with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to carbon atoms of the ring system
• C09K 11/02 - Use of particular materials as binders, particle coatings or suspension media therefor

Abstract

This display device (10) is provided with: a display panel (60) having a plurality of pixels; and a current-limiting circuit (40) which limits the consumption current in the pixels. The current-limiting circuit (40) comprises a gain calculation circuit (42) which calculates a screen power value on the basis of a pixel value contained in a video signal and determines a gain on the basis of the calculated screen power value, and a gain multiplication circuit (42) which multiplies the pixel value by the gain and outputs a limitation signal containing the pixel value that has been multiplied by said gain. The display panel (60) comprises a display unit (70) and a lighting control circuit (66) which controls the lighting state of the respective pixels on the basis of a predicted power value calculated on the basis of the limitation signal so as to set the consumption power value in the respective pixels to a level equal to or lower than a control target power value. The gain is 1 in the case where the screen power value is not more than the control target power value, and otherwise, the gain takes a value that is not more than a value obtained by dividing the control target power value by the screen power value.

IPC Classes  ?

• G09G 3/20 - Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix
• G09G 3/3233 - Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED] using an active matrix with pixel circuitry controlling the current through the light-emitting element
• G09F 9/30 - Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
• H01L 27/32 - Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including components using organic materials as the active part, or using a combination of organic materials with other materials as the active part with components specially adapted for light emission, e.g. flat-panel displays using organic light-emitting diodes
• H01L 51/50 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED)

Abstract

A display device (10) comprising: a stand-type display panel (11) that displays video images; a main body unit (12) that includes at least one out of a speaker that outputs sound related to the video images, a signal processing circuit for displaying the video images on the display panel (11), a wireless module that communicates wirelessly with an external device, a power supply circuit that supplies power to the display panel (11), and a signal input terminal to which video images are input; an arm (13) that supports the display panel (11) and the main body unit (12) at either end thereof; a support column (14) that supports a structure having a fulcrum (13a) at a location in the arm (13) that matches the center of gravity of the structure comprising the display panel (11), the main body unit (12), and the arm (13); and a base (15) that supports the support column (14).

IPC Classes  ?

• G09F 9/00 - Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
• H01L 27/32 - Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including components using organic materials as the active part, or using a combination of organic materials with other materials as the active part with components specially adapted for light emission, e.g. flat-panel displays using organic light-emitting diodes
• H04N 5/64 - Constructional details of receivers, e.g. cabinets or dust covers
• H05B 33/02 - Electroluminescent light sources Details
• H01L 51/50 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED)

Abstract

A self-luminous element wherein a light emitting layer 17 is arranged between a pixel electrode (positive electrode) 13 and a counter electrode (negative electrode) 20. This self-luminous element is provided with: a first functional layer 18 which is arranged between the light emitting layer 17 and the counter electrode 20, while containing a fluoride of a metal that is selected from among alkali metals, alkaline earth metals and rare earth metals; and a second functional layer 19 which is arranged between the first functional layer 18 and the counter electrode 20, while containing a rare earth metal as a dope material.

IPC Classes  ?

• H05B 33/10 - Apparatus or processes specially adapted to the manufacture of electroluminescent light sources
• H01L 51/50 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED)

Goods & Services

Television receivers and accessories, namely, mounts and mounting brackets adapted for televisions and television remoter controller; displays for television receivers; electro-luminescence display panels; displays for computer monitors, namely, computer display screens; optical display glass for flat panel display screens; displays for tablet computers namely, computer display screens; displays for personal computers namely, computer display screens; displays for smart phones, namely, smartphone display screens; electronic machines, apparatuses and their parts, namely, smartphones, televisions, and television remote controls; telecommunication machines and apparatuses, namely, mobile telephones and fax machines; apparatuses for recording or reproducing of sound, images and data; apparatuses for receiving of sound, images and data namely, fax machines and wireless photo printers; flat panel and computer display screens; personal digital assistants in the shape of watches; smartphones; downloadable application software for database management; downloadable computer software programs for database management; downloadable music files received and saved via the Internet; downloadable image files trading cards, artwork, memes, sneakers, received and saved via the Internet; downloadable electronic books in the field of installing home theaters; downloadable video recordings in the field of installing home theaters; downloadable video recordings chiefly featuring scenery; electronic publications in the nature of books and magazines in the field of installing home theaters

Goods & Services

Television receivers and accessories, namely, mounts and mounting brackets adapted for televisions and television remote controllers; displays for television receivers; electro-luminescence display panels; displays for computer monitors, namely, computer display screens; optical display glass for flat panel display screens; displays for tablet computers, namely, computer display screens; displays for personal computers, namely, computer display screens; displays for smart phones, namely, smartphone display screens; electronic machines, apparatuses and their parts, namely, smartphones, televisions, and television remote controls

Abstract

A compound of formula (9) is provided. 22′ is a 1-naphthyl group, a 2-naphthyl group, a 2-phenylphenyl group, a 3-phenylphenyl group, a 4-phenylphenyl group, a 2-fluorenyl group, a 9,9-dimethyl-2-fluorenyl group or a phenanthryl group. Also provided is an organic electroluminescent device comprising a compound of formula (9).

IPC Classes  ?

• H01L 51/00 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof
• C09K 11/06 - Luminescent, e.g. electroluminescent, chemiluminescent, materials containing organic luminescent materials
• C07D 209/86 - CarbazolesHydrogenated carbazoles with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to carbon atoms of the ring system
• C09K 11/02 - Use of particular materials as binders, particle coatings or suspension media therefor
• H01L 51/50 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED)
• H01L 51/52 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED) - Details of devices

Abstract

Disclosed herein is a display panel in which a plurality of pixel regions are arranged in a matrix form, the display panel including a substrate, a plurality of pixel electrodes, a partition wall, a first functional layer, a first light emitting layer, a second functional layer, and a second light emitting layer. As viewed in plan, a ratio of an area of the first functional layer to an area of the pixel region in which the first functional layer is present being lower than a ratio of an area of the second functional layer to an area of the pixel region in which the second functional layer is present.

IPC Classes  ?

• H01L 27/32 - Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including components using organic materials as the active part, or using a combination of organic materials with other materials as the active part with components specially adapted for light emission, e.g. flat-panel displays using organic light-emitting diodes
• H01L 51/50 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED)
• H01L 51/56 - Processes or apparatus specially adapted for the manufacture or treatment of such devices or of parts thereof
• H01L 51/52 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED) - Details of devices
• H10K 59/122 - Pixel-defining structures or layers, e.g. banks
• H10K 50/15 - Hole transporting layers
• H10K 50/17 - Carrier injection layers
• H10K 50/852 - Arrangements for extracting light from the devices comprising a resonant cavity structure, e.g. Bragg reflector pair
• H10K 59/35 - Devices specially adapted for multicolour light emission comprising red-green-blue [RGB] subpixels
• H10K 71/00 - Manufacture or treatment specially adapted for the organic devices covered by this subclass
• H10K 59/12 - Active-matrix OLED [AMOLED] displays
• H10K 102/00 - Constructional details relating to the organic devices covered by this subclass

Abstract

The present invention comprises: a pixel electrode; a plurality of elongated column banks; a missing part in which some of the elongated column banks do not exist; a pair of repair banks that are respectively formed in two gaps between the adjacent column banks on both sides of the column bank having the missing part above the pixel electrode in a row direction; a light emitting layer that includes a coating film formed in the gap between the column banks; and a common electrode above the light emitting layer, wherein the repair banks include a pair of repair row banks that exist in the two gaps and are formed above the pixel electrode of which the position in the column direction is at least partially the same as that of the missing part and at positions spaced by a predetermined distance in the column direction; and repair column banks that connect, in the column direction, end portions of the repair row banks that are not connected to the column banks in the row direction and a closest portion of the column bank having the missing part.

IPC Classes  ?

• G09F 9/00 - Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
• G09F 9/30 - Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
• H01L 27/32 - Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including components using organic materials as the active part, or using a combination of organic materials with other materials as the active part with components specially adapted for light emission, e.g. flat-panel displays using organic light-emitting diodes
• H05B 33/10 - Apparatus or processes specially adapted to the manufacture of electroluminescent light sources
• H05B 33/12 - Light sources with substantially two-dimensional radiating surfaces
• H01L 51/50 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED)
• H05B 33/22 - Light sources with substantially two-dimensional radiating surfaces characterised by the chemical or physical composition or the arrangement of auxiliary dielectric or reflective layers

Abstract

A display panel according to an embodiment of the present disclosure comprises: a flexible substrate (41); a plurality of self-luminescent elements (44A); a plurality of TFT circuits (43A) which are disposed between the flexible substrate (41) and the plurality of self-luminescent elements (44A); a first inorganic film (43B) which covers each of the TFT circuits (43A); a second inorganic film (45) which covers each of the self-luminescent elements (44A); and a resin layer (46) which covers the second inorganic film (45) and which covers at least a portion of the first inorganic film (43B) which abuts an edge of the second inorganic film (45). The first inorganic film (43B) is disposed between the plurality of TFT circuits (43A) and the plurality of self-luminescent elements (44A), and comprises a level difference part (43C) which arises by the portion thereof which faces the edge of the flexible substrate (41) being partially thinner.

IPC Classes  ?

• H05B 33/02 - Electroluminescent light sources Details
• H05B 33/04 - Sealing arrangements
• H01L 51/50 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED)
• H05B 33/22 - Light sources with substantially two-dimensional radiating surfaces characterised by the chemical or physical composition or the arrangement of auxiliary dielectric or reflective layers
• G09F 9/00 - Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
• G09F 9/30 - Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
• H01L 27/32 - Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including components using organic materials as the active part, or using a combination of organic materials with other materials as the active part with components specially adapted for light emission, e.g. flat-panel displays using organic light-emitting diodes

Abstract

This optical communication system (1) is provided with: a transmission unit (10) comprising a curved-surface display panel (11) which can emit light, and a transmission control unit (14) which causes light representing an information signal to be emitted in the display panel (11); and a receiving unit (20) comprising an image sensor (21) which receives light emitted from the display panel (11), and a receiving control unit (24) which extracts the information signal from the light received by the image sensor (21). The display panel (11) may optionally be a transparent display panel that can transmit background light.

IPC Classes  ?

• B64D 47/02 - Arrangements or adaptations of signal or lighting devices
• H05B 33/06 - Electrode terminals
• H01L 51/50 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED)
• H04B 10/116 - Visible light communication

Goods & Services

Electronic display apparatus for aiding sleep of viewers, namely, electronic display boards, plasma display boards, electronic display screens, organic light emitting display (OLED) screens, quantum-dot light-emitting display (QD-LED) screens, Liquid crystal display (LCD) screens; flat panel display screens; personal digital assistants; downloadable application software for computers for mobile phones, portable media players, handheld computers, namely, software for providing sound and images for facilitating sleep; recorded computer application software for mobile phones, portable media players, handheld computers, namely, software for facilitating sleep; downloadable image file containing artwork, text, audio, video, games and internet web links relating to sporting and cultural activities; downloadable music files; downloadable image files containing images for facilitating sleep; downloadable video recordings featuring images for facilitating sleep; downloadable electronic books in the field of healing, comfort and aiding sleep Publishing of electronic publications; providing online electronic publication in the nature of articles, teaching resource guides, books, magazines in the field of healing, comfort and sleep aid; providing online video featuring healing, comfort and aiding sleep, not downloadable; entertainment services, namely, providing images featuring healing, comfort and aiding sleep, on-line; reference libraries of literature and documentary records; book rental; publication of books; production and distribution of videos in the field of healing and comfort and aiding sleep; rental of sound-recorded magnetic tapes; photography Providing temporary use of non-downloadable software for use in viewing visual content; computer program design, computer programming, and maintenance of computer program; rental of computers; hosting of digital content of sound and/or video on the Internet for inducing sleep

Abstract

[Problem] To achieve uniform film thickness of a light emitting layer 123 of an organic EL display panel 10 and to thereby reduce brightness irregularities. [Solution] An ink drying step includes a step of exhausting a gas from an atmosphere in which a substrate 100x is contained, and a step of forming an organic function layer 123 by drying ink by placing the substrate 100x in a state in which the pressure of the atmosphere is not more than a predetermined pressure. The step of exhausting the gas includes a first period T1 in which the pressure of the atmosphere is reduced from a normal atmospheric pressure to a first pressure P1 higher than a maximum vapor pressure among vapor pressures of a plurality of solvents, and a second period T2 in which, after the first period, the pressure of the atmosphere is reduced to a second pressure P2 lower than a minimum vapor pressure among the vapor pressures of the plurality of solvents. When the pressure of the atmosphere is 10X Pa (X is a real number), an average value of the amounts of change in the value of X per unit time in the second period T2 is greater in absolute value than an average value of the amounts of change in the value of X per unit time in the first period T1.

IPC Classes  ?

• H05B 33/10 - Apparatus or processes specially adapted to the manufacture of electroluminescent light sources
• H01L 27/32 - Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including components using organic materials as the active part, or using a combination of organic materials with other materials as the active part with components specially adapted for light emission, e.g. flat-panel displays using organic light-emitting diodes
• H01L 51/50 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED)
• H05B 33/12 - Light sources with substantially two-dimensional radiating surfaces
• H05B 33/22 - Light sources with substantially two-dimensional radiating surfaces characterised by the chemical or physical composition or the arrangement of auxiliary dielectric or reflective layers

Abstract

An organic electroluminescent device including: an anode, a cathode, an emitting layer formed of an organic compound and interposed between the cathode and the anode, and two or more layers provided in a hole-injecting/hole-transporting region between the anode and the emitting layer; of the layers which are provided in the hole-injecting/hole-transporting region, a layer which is in contact with the emitting layer containing a compound represented by the formula (1); and of the layers which are provided in the hole-injecting/hole-transporting region, a layer which is interposed between the anode and the layer which is in contact with the emitting layer containing an amine derivative represented by the formula (2).

IPC Classes  ?

• H01L 51/00 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof
• C09K 11/02 - Use of particular materials as binders, particle coatings or suspension media therefor
• C09K 11/06 - Luminescent, e.g. electroluminescent, chemiluminescent, materials containing organic luminescent materials
• C07D 209/86 - CarbazolesHydrogenated carbazoles with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to carbon atoms of the ring system
• H01L 51/50 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED)
• H01L 51/52 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED) - Details of devices

Abstract

An organic electroluminescent device including: an anode, a cathode, an emitting layer formed of an organic compound and interposed between the cathode and the anode, and two or more layers provided in a hole-injecting/hole-transporting region between the anode and the emitting layer; of the layers which are provided in the hole-injecting/hole-transporting region, a layer which is in contact with the emitting layer containing a compound represented by the formula (1); and of the layers which are provided in the hole-injecting/hole-transporting region, a layer which is interposed between the anode and the layer which is in contact with the emitting layer containing an amine derivative represented by the formula (2).

IPC Classes  ?

• H01L 51/00 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof
• C07D 209/86 - CarbazolesHydrogenated carbazoles with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to carbon atoms of the ring system
• C09K 11/02 - Use of particular materials as binders, particle coatings or suspension media therefor
• C09K 11/06 - Luminescent, e.g. electroluminescent, chemiluminescent, materials containing organic luminescent materials
• H01L 51/50 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED)
• H01L 51/52 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED) - Details of devices

Abstract

A display device which is provided with: a plurality of pixels that are arranged in a matrix form in a first direction and a second direction; and a first insulating film that is arranged between adjacent pixels and has first openings in respective light emission regions of the pixels. The first insulating film has second openings extending in the first direction between pixels adjacent to each other in the second direction, while having residual portions within the second openings.

IPC Classes  ?

• H05B 33/02 - Electroluminescent light sources Details
• G09F 9/30 - Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
• H01L 27/32 - Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including components using organic materials as the active part, or using a combination of organic materials with other materials as the active part with components specially adapted for light emission, e.g. flat-panel displays using organic light-emitting diodes
• H01L 51/50 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED)
• H05B 33/12 - Light sources with substantially two-dimensional radiating surfaces
• H05B 33/22 - Light sources with substantially two-dimensional radiating surfaces characterised by the chemical or physical composition or the arrangement of auxiliary dielectric or reflective layers

Abstract

This organic EL display panel has a plurality of pixels disposed in a matrix form, and comprises: a base board; a plurality of pixel electrode layers arranged in a matrix form on the base board and comprising a light-reflective material; an insulation layer disposed above the base board and the pixel electrode layers; organic functional layers, each disposed above each of the plurality of pixel electrode layers; and translucent opposite electrode layers, each disposed above a plurality of light-emitting layers. Open in the insulation layer above the pixel electrode layer are: first openings, each having an elongates shape extending in a column direction; and a plurality of second openings yielding a column form in a parallel state to the first holes, each of the second openings having a column direction length that is shorter than that of each of the first openings. The organic functional layer contains a light-emitting layer generating organic electroluminescence inside the first holes and the plurality of second holes.

IPC Classes  ?

• H05B 33/02 - Electroluminescent light sources Details
• G09F 9/30 - Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
• H01L 27/32 - Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including components using organic materials as the active part, or using a combination of organic materials with other materials as the active part with components specially adapted for light emission, e.g. flat-panel displays using organic light-emitting diodes
• H01L 51/50 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED)
• H05B 33/12 - Light sources with substantially two-dimensional radiating surfaces
• H05B 33/22 - Light sources with substantially two-dimensional radiating surfaces characterised by the chemical or physical composition or the arrangement of auxiliary dielectric or reflective layers
• H05B 33/26 - Light sources with substantially two-dimensional radiating surfaces characterised by the composition or arrangement of the conductive material used as an electrode
• H05B 33/28 - Light sources with substantially two-dimensional radiating surfaces characterised by the composition or arrangement of the conductive material used as an electrode of translucent electrodes

Abstract

This display device is provided with a plurality of pixels that are disposed in two dimensions, and that each include an organic electroluminescent element that emits light of one of a plurality of colors. The plurality of pixels have: a first insulating film disposed along one direction for each luminescent color, and having an opening at each pixel; a second insulating film extending along the arrangement direction of each luminescent color in the regions between pixels of different luminescent colors on the first insulating film; and an organic layer formed in the openings, and including a luminescent layer. The first insulating film includes recessed sections connecting the openings of pixels of the same luminescent color among the plurality of pixels.

IPC Classes  ?

• H05B 33/22 - Light sources with substantially two-dimensional radiating surfaces characterised by the chemical or physical composition or the arrangement of auxiliary dielectric or reflective layers
• G09F 9/30 - Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
• H01L 27/32 - Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including components using organic materials as the active part, or using a combination of organic materials with other materials as the active part with components specially adapted for light emission, e.g. flat-panel displays using organic light-emitting diodes
• H01L 51/50 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED)
• H05B 33/12 - Light sources with substantially two-dimensional radiating surfaces
• H05B 33/24 - Light sources with substantially two-dimensional radiating surfaces characterised by the chemical or physical composition or the arrangement of auxiliary dielectric or reflective layers of metallic reflective layers

Abstract

An organic EL display panel 10 in which a plurality of pixels 100se are arranged in a matrix, wherein: each of the pixels 100se has a bottom layer including a bottom electrode 119, a pixel internal insulation layer 122, a coated functional layer including a light-emitting layer 123, and a top electrode 125 laminated in the stated order; the bottom layer has an exposed portion 122z that is not covered by the pixel internal insulation layer 122; the pixel internal insulation layer 122 has an inclined surface that extends in the direction of the top electrode around the exposed portion 122z and widens in the direction of the peripheral edge of the pixel; and the shape of the exposed portion 122z when the bottom layer is viewed in plan view comprises a combination of a plurality of elongated shapes.

IPC Classes  ?

• H05B 33/22 - Light sources with substantially two-dimensional radiating surfaces characterised by the chemical or physical composition or the arrangement of auxiliary dielectric or reflective layers
• G09F 9/30 - Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
• H01L 27/32 - Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including components using organic materials as the active part, or using a combination of organic materials with other materials as the active part with components specially adapted for light emission, e.g. flat-panel displays using organic light-emitting diodes
• H01L 51/50 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED)
• H05B 33/10 - Apparatus or processes specially adapted to the manufacture of electroluminescent light sources

Abstract

Provided is an organic EL display panel, wherein the organic EL display panel is provided with: a plurality of pixel electrode layers 119 arrayed in the shape of a matrix on a substrate 100x; an insulation layer 122 disposed above the substrate 100x and the pixel electrode layers 119, with a plurality of slit-shaped openings 122z being lined up in a row direction and being opened along a column direction above the pixel electrode layers 119, in a state of being provided with a bottomed groove section 122v that is opened on top and that communicates with at least one of the openings 122z as seen in plan view of the substrate 100x; organic function layers comprising light-emitting layers 123 that are arranged respectively over the plurality of pixel electrode layers 119 and that produce organic electroluminescence within the plurality of openings; and a translucent counter electrode layer 125 disposed above the plurality of light-emitting layers 123. A profile of a cross-section of the openings 122z obtained by cutting the openings 122z in the row direction is identical in the column direction.

IPC Classes  ?

• H05B 33/24 - Light sources with substantially two-dimensional radiating surfaces characterised by the chemical or physical composition or the arrangement of auxiliary dielectric or reflective layers of metallic reflective layers
• G09F 9/30 - Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
• H01L 27/32 - Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including components using organic materials as the active part, or using a combination of organic materials with other materials as the active part with components specially adapted for light emission, e.g. flat-panel displays using organic light-emitting diodes
• H01L 51/50 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED)
• H05B 33/10 - Apparatus or processes specially adapted to the manufacture of electroluminescent light sources
• H05B 33/12 - Light sources with substantially two-dimensional radiating surfaces
• H05B 33/22 - Light sources with substantially two-dimensional radiating surfaces characterised by the chemical or physical composition or the arrangement of auxiliary dielectric or reflective layers
• H05B 33/26 - Light sources with substantially two-dimensional radiating surfaces characterised by the composition or arrangement of the conductive material used as an electrode
• H05B 33/28 - Light sources with substantially two-dimensional radiating surfaces characterised by the composition or arrangement of the conductive material used as an electrode of translucent electrodes

Abstract

This display device is provided with a plurality of pixels. Each of the plurality of pixels includes a first electrode, an insulation film formed on the first electrode and having a plurality of openings, an organic layer formed on the openings in the insulation film and including a light-emitting layer, and a second electrode formed on the organic layer. The first electrode has a plurality of sub electrodes disposed so as to each respectively face each of the openings in the insulation film.

IPC Classes  ?

• H05B 33/24 - Light sources with substantially two-dimensional radiating surfaces characterised by the chemical or physical composition or the arrangement of auxiliary dielectric or reflective layers of metallic reflective layers
• G09F 9/30 - Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
• H01L 27/32 - Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including components using organic materials as the active part, or using a combination of organic materials with other materials as the active part with components specially adapted for light emission, e.g. flat-panel displays using organic light-emitting diodes
• H01L 51/50 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED)
• H05B 33/12 - Light sources with substantially two-dimensional radiating surfaces
• H05B 33/22 - Light sources with substantially two-dimensional radiating surfaces characterised by the chemical or physical composition or the arrangement of auxiliary dielectric or reflective layers
• H05B 33/26 - Light sources with substantially two-dimensional radiating surfaces characterised by the composition or arrangement of the conductive material used as an electrode

Abstract

Organic light-emitting device manufacturing method performed by using a manufacturing apparatus placed where light from outside is blocked and a lighting device emitting light constituted of light components with wavelengths of 500 nm or longer is placed. The manufacturing apparatus includes a main body having an ejector ejecting ink containing organic light-emitting material and a light-transmissive tube forming at least part of a transport path connecting a tank containing the ink and the ejector. The method includes: removing the ink inside the transport path when a total exposure amount ET (lux×hours) satisfies ET≥α×17500 where α is a constant satisfying α≥1. ET is a product of E denoting light amount (lux) from the lighting device to which the tube is exposed and T denoting time amount (hours) over which the tube is exposed to the light from the lighting device.

IPC Classes  ?

• H01L 21/00 - Processes or apparatus specially adapted for the manufacture or treatment of semiconductor or solid-state devices, or of parts thereof
• H01L 51/56 - Processes or apparatus specially adapted for the manufacture or treatment of such devices or of parts thereof
• H01L 51/00 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof
• H01L 27/32 - Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including components using organic materials as the active part, or using a combination of organic materials with other materials as the active part with components specially adapted for light emission, e.g. flat-panel displays using organic light-emitting diodes
• B05B 12/08 - Arrangements for controlling deliveryArrangements for controlling the spray area responsive to condition of liquid or other fluent material discharged, of ambient medium or of target
• B05B 12/00 - Arrangements for controlling deliveryArrangements for controlling the spray area
• B05B 15/50 - Arrangements for cleaningArrangements for preventing deposits, drying-out or blockageArrangements for detecting improper discharge caused by the presence of foreign matter
• H01L 51/50 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED)

Abstract

This thin film transistor is provided with: a gate electrode (70); an oxide semiconductor layer (30), which contains at least indium, and which is used as a channel layer; a gate insulating layer (50) that is disposed between the gate electrode (70) and the oxide semiconductor layer (30); and a fluorine-containing layer (60) that is disposed between the gate electrode (70) and the gate insulating layer (50). An oxide semiconductor layer (30) region close to the gate insulating layer (50) contains fluorine.

IPC Classes  ?

• H01L 29/786 - Thin-film transistors

Abstract

This functional element is provided with: a flexible first substrate and a flexible second substrate, which are disposed facing each other; an element layer formed between the first substrate and the second substrate; and a structural body, which is disposed inside of the element layer, includes a plurality of protruding sections, and has in-plane anisotropy in elasticity.

IPC Classes  ?

• H05B 33/04 - Sealing arrangements
• G02B 5/20 - Filters
• G09F 9/30 - Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
• H01L 27/146 - Imager structures
• H01L 27/32 - Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including components using organic materials as the active part, or using a combination of organic materials with other materials as the active part with components specially adapted for light emission, e.g. flat-panel displays using organic light-emitting diodes
• H01L 51/50 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED)
• H04N 5/369 - SSIS architecture; Circuitry associated therewith
• H04N 9/07 - Picture signal generators with one pick-up device only
• H05B 33/02 - Electroluminescent light sources Details
• H05B 33/12 - Light sources with substantially two-dimensional radiating surfaces
• H05B 33/22 - Light sources with substantially two-dimensional radiating surfaces characterised by the chemical or physical composition or the arrangement of auxiliary dielectric or reflective layers

Abstract

the second light-emitting device includes, between an anode and a cathode, a second organic layer and a third organic layer in this sequence from the anode side in a direction perpendicular to the surface of the substrate, the first organic layer includes a first emitting dopant, the third organic layer includes a second emitting dopant, and the second organic layers independently comprise any one of compounds represented by the following formulas (1) to (6).

IPC Classes  ?

• H01L 51/00 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof
• C07D 487/04 - Ortho-condensed systems
• C07D 491/048 - Ortho-condensed systems with only one oxygen atom as ring hetero atom in the oxygen-containing ring the oxygen-containing ring being five-membered
• C07D 493/04 - Ortho-condensed systems
• C09K 11/06 - Luminescent, e.g. electroluminescent, chemiluminescent, materials containing organic luminescent materials
• H01L 51/50 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED)
• H01L 27/32 - Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including components using organic materials as the active part, or using a combination of organic materials with other materials as the active part with components specially adapted for light emission, e.g. flat-panel displays using organic light-emitting diodes

Abstract

An organic electroluminescence composition including two or more compounds each having a specific structure combining a hole transporting ability and an electron transporting ability; an organic electroluminescence composition including one or more compounds each having a specific structure combining a hole transporting ability and an electron transporting ability and a different compound having an electron transporting skeleton; and a material for organic electroluminescence devices, a solution of a material for organic electroluminescence devices and an organic electroluminescence device, each including the aromatic heterocyclic derivative.

IPC Classes  ?

• H01L 51/00 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof
• C09K 11/06 - Luminescent, e.g. electroluminescent, chemiluminescent, materials containing organic luminescent materials
• C07D 409/10 - Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms containing two hetero rings linked by a carbon chain containing aromatic rings
• C07D 471/04 - Ortho-condensed systems
• C07D 209/94 - [b, c]- or [b, d]-condensed containing carbocyclic rings other than six-membered
• C07D 409/14 - Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms containing three or more hetero rings
• C07D 405/14 - Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing three or more hetero rings
• C07D 307/91 - DibenzofuransHydrogenated dibenzofurans
• C07D 209/86 - CarbazolesHydrogenated carbazoles with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to carbon atoms of the ring system
• C07D 405/10 - Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings linked by a carbon chain containing aromatic rings
• C07D 491/048 - Ortho-condensed systems with only one oxygen atom as ring hetero atom in the oxygen-containing ring the oxygen-containing ring being five-membered
• C07D 251/24 - Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members with hydrogen or carbon atoms directly attached to at least one ring carbon atom to three ring carbon atoms
• C07D 513/04 - Ortho-condensed systems
• C07D 333/76 - Dibenzothiophenes
• C07D 413/04 - Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms containing two hetero rings directly linked by a ring-member-to-ring- member bond
• C07D 403/10 - Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group containing two hetero rings linked by a carbon chain containing aromatic rings
• C07D 209/14 - Radicals substituted by nitrogen atoms, not forming part of a nitro radical
• C07D 471/14 - Ortho-condensed systems
• C07D 401/10 - Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings linked by a carbon chain containing aromatic rings
• C07D 403/04 - Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group containing two hetero rings directly linked by a ring-member-to-ring- member bond
• C07D 487/04 - Ortho-condensed systems
• C07D 403/14 - Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group containing three or more hetero rings
• C07D 405/12 - Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings linked by a chain containing hetero atoms as chain links
• C09K 11/02 - Use of particular materials as binders, particle coatings or suspension media therefor
• H01L 51/50 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED)

Abstract

An organic electroluminescent (EL) display (1) provided with a sub-pixel part (P01) and a sub-pixel part (P02) disposed adjacent to each other, wherein each of the sub-pixel part (P01) and the sub-pixel part (P02) has a drive transistor, and provided with a power supply wiring, arranged on the boundary between the sub-pixel part (P01) and the sub-pixel part (P02), for supplying a power supply voltage to the drive transistor (Trda) of the sub-pixel part (P01) and the drive transistor (Trdb) of the sub-pixel part (P02), the direction of the drive transistor (Trda) of the sub-pixel part (P01) and the direction of the drive transistor (Trdb) of the sub-pixel part (P02) being the same.

IPC Classes  ?

• G09F 9/30 - Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
• G09G 3/20 - Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix
• G09G 3/30 - Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix using controlled light sources using electroluminescent panels
• H01L 27/32 - Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including components using organic materials as the active part, or using a combination of organic materials with other materials as the active part with components specially adapted for light emission, e.g. flat-panel displays using organic light-emitting diodes
• H01L 51/50 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED)

Abstract

This display element comprises an anode and a cathode that are disposed to face one another, a first light-emitting unit provided on the anode side and containing at least a first light-emitting layer, and a second light-emitting unit provided on the cathode side and containing at least a second light-emitting layer. The second light-emitting unit has a four-layer structure comprising, layered in order from the first light-emitting unit side: an acceptor layer; a donor layer containing at least one species of aromatic tertiary amine; a second light-emitting layer; and a mixed layer containing at least one species among an alkaline metal and an alkaline earth metal, and at least one species of heterocyclic compound.

IPC Classes  ?

• H05B 33/12 - Light sources with substantially two-dimensional radiating surfaces
• H01L 51/50 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED)

Abstract

Disclosed is a display device wherein: pixels each of which includes a plurality of sub-pixels are provided; each of the sub-pixels has a light emitting region and a non-light emitting region, i.e., a region other than the light emitting region; the light emitting region has one or a plurality of effective light emitting sections each of which has a first electrode, a light emitting layer, and a second electrode, which are sequentially laminated therein, and an optical guide section that is provided on the light extraction side of the one or the plurality of effective light emitting sections.

IPC Classes  ?

• H05B 33/02 - Electroluminescent light sources Details
• H01L 51/50 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED)
• H05B 33/12 - Light sources with substantially two-dimensional radiating surfaces
• H05B 33/22 - Light sources with substantially two-dimensional radiating surfaces characterised by the chemical or physical composition or the arrangement of auxiliary dielectric or reflective layers
• H05B 33/24 - Light sources with substantially two-dimensional radiating surfaces characterised by the chemical or physical composition or the arrangement of auxiliary dielectric or reflective layers of metallic reflective layers
• H05B 33/28 - Light sources with substantially two-dimensional radiating surfaces characterised by the composition or arrangement of the conductive material used as an electrode of translucent electrodes

Abstract

The display apparatus of the present disclosure is provided with: a display area in which a plurality of pixels are arranged; a peripheral area provided to the outer edge of the display area; and an inorganic film which is provided to the peripheral area and continuously encloses the display area.

IPC Classes  ?

• H05B 33/04 - Sealing arrangements
• G09F 9/30 - Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
• H01L 51/50 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED)
• H05B 33/02 - Electroluminescent light sources Details
• H05B 33/12 - Light sources with substantially two-dimensional radiating surfaces
• H05B 33/22 - Light sources with substantially two-dimensional radiating surfaces characterised by the chemical or physical composition or the arrangement of auxiliary dielectric or reflective layers

Abstract

This organic light-emitting device is provided with a substrate, a first electrode, an organic light-emitting layer, an organic functional layer, a transparent electroconductive film, and a second electrode. The first electrode is disposed above the substrate. The organic light-emitting layer is disposed above the first electrode. The organic functional layer is disposed above the organic light-emitting layer. The transparent electroconductive film is disposed on the organic functional layer and is in contact with the organic functional layer. The second electrode is composed of a metal material or an alloy material, and is disposed above the transparent electroconductive film. The transparent electroconductive film has a thickness of 60 nm or more and a residual stress in the range of -400 MPa to +400MPa.

IPC Classes  ?

• H05B 33/28 - Light sources with substantially two-dimensional radiating surfaces characterised by the composition or arrangement of the conductive material used as an electrode of translucent electrodes
• H01L 51/50 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED)
• H05B 33/24 - Light sources with substantially two-dimensional radiating surfaces characterised by the chemical or physical composition or the arrangement of auxiliary dielectric or reflective layers of metallic reflective layers

Abstract

This display device is provided, on a substrate, with a first electrode, an organic layer that contains a light emitting layer, and a second electrode in this order. The second electrode comprises, sequentially from the organic layer side, a transparent first conductive film that comprises an insulated or defective local part, a high resistance layer that has an electrical resistance higher than that of the first conductive film, and a second conductive film that is formed on the high resistance layer.

IPC Classes  ?

• H05B 33/28 - Light sources with substantially two-dimensional radiating surfaces characterised by the composition or arrangement of the conductive material used as an electrode of translucent electrodes
• H01L 51/50 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED)
• H05B 33/10 - Apparatus or processes specially adapted to the manufacture of electroluminescent light sources
• H05B 33/26 - Light sources with substantially two-dimensional radiating surfaces characterised by the composition or arrangement of the conductive material used as an electrode

Abstract

A method for manufacturing an organic electroluminescence (EL) element (1b) includes: a first step for preparing an organic EL element (1a) provided with an anode (11), an organic layer (30) including a light-emitting layer (13), and a cathode (16), the anode (11) and/or the cathode (16) being composed of a transparent electroconductive material layer (16a) and a metal layer (16b) having a higher refractive index than the transparent electroconductive material layer (16a), and the organic EL element having a portion in which the anode (11) and the cathode (16) are short-circuited; and a second step in which the transparent electroconductive material layer (16a) and/or the metal layer (16b), within the portion in which the anode (11) and the cathode (16) are short-circuited, and the surroundings thereof, are irradiated with a femtosecond laser, and the textural structure of the transparent electroconductive material layer (16a) and the metal layer (16b) is changed to achieve high resistance.

IPC Classes  ?

• H05B 33/10 - Apparatus or processes specially adapted to the manufacture of electroluminescent light sources
• H01L 51/50 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED)
• H05B 33/26 - Light sources with substantially two-dimensional radiating surfaces characterised by the composition or arrangement of the conductive material used as an electrode

Abstract

An organic EL element (10) is provided with a first electrode (2), an interlayer (4) formed above the first electrode (2), an organic light-emitting layer (5) formed with the interlayer (4) as the foundation, and a second electrode (8) formed above the organic light-emitting layer (5). The organic light-emitting layer (5) includes at least a host material and a dopant material, and the interlayer (4) is constituted by a material having a larger energy gap than the dopant material, and a deeper HOMO level than the dopant material.

IPC Classes  ?

• H01L 51/50 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED)
• G09F 9/30 - Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
• H01L 27/32 - Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including components using organic materials as the active part, or using a combination of organic materials with other materials as the active part with components specially adapted for light emission, e.g. flat-panel displays using organic light-emitting diodes
• H05B 33/10 - Apparatus or processes specially adapted to the manufacture of electroluminescent light sources

Abstract

A display panel inspection method for inspecting an organic EL display panel having a plurality of pixel parts disposed in a matrix, the inspection method having: an illumination step (S11) for illuminating specified pixel parts while leaving parts other than the specified pixel part extinguished, by supplying electricity to an aggregate pad connected to a plurality of power source wires formed on the display panel; a change step (S12) for changing in sequence the specified pixel parts to be illuminated; and a determination step (S13) for determining, after the change step, the presence of pixel parts having defects, the specified pixel parts comprising pixel parts that belong to a specified line group and/or a specified row group, and in the change step, the specified line group and/or the specified row group being changed to another line group or another row group.

IPC Classes  ?

• H05B 33/12 - Light sources with substantially two-dimensional radiating surfaces
• G01M 11/00 - Testing of optical apparatusTesting structures by optical methods not otherwise provided for
• G09G 3/20 - Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix
• G09G 3/30 - Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix using controlled light sources using electroluminescent panels
• H01L 51/50 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED)
• H05B 33/06 - Electrode terminals
• H05B 33/10 - Apparatus or processes specially adapted to the manufacture of electroluminescent light sources

Abstract

This thin film semiconductor device comprises an oxide semiconductor layer (4), an insulating film (a third insulating film (73)), and a hydrogen barrier film (a second insulating film (72)) that is formed between the oxide semiconductor layer (4) and the insulating film and has hydrogen barrier properties that suppress permeation of hydrogen. The insulating film contains such an amount of hydrogen that can permeate through the hydrogen barrier film.

IPC Classes  ?

• H01L 21/336 - Field-effect transistors with an insulated gate
• H01L 21/316 - Inorganic layers composed of oxides or glassy oxides or oxide-based glass
• H01L 21/318 - Inorganic layers composed of nitrides
• H01L 29/786 - Thin-film transistors
• H01L 51/50 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED)
• H05B 33/22 - Light sources with substantially two-dimensional radiating surfaces characterised by the chemical or physical composition or the arrangement of auxiliary dielectric or reflective layers

Abstract

Disclosed is a method for manufacturing a thin film transistor (10) wherein a channel layer is an oxide semiconductor layer (4). The method includes: a step for forming the oxide semiconductor layer (4); and a control step for controlling a threshold value voltage of the thin film transistor (10) on the basis of a contact angle of a surface of the oxide semiconductor layer (4).

IPC Classes  ?

• H01L 29/786 - Thin-film transistors
• H01L 21/336 - Field-effect transistors with an insulated gate

Abstract

Provided is an organic EL display panel (1) in which pixel units (200) having a plurality unit pixels are disposed in a matrix shape, wherein: each pixel unit is provided with a red unit-pixel (200R) and a blue unit-pixel (200B); the red unit-pixel (200R) and the blue unit-pixel (200B) are disposed along the row direction; and in the pixel units (200) adjacent to each other in the row direction, at least the red unit-pixels (200R) or the blue unit-pixels (200B) of these pixel units are disposed so as to be adjacent to each other.

IPC Classes  ?

• H05B 33/12 - Light sources with substantially two-dimensional radiating surfaces
• G09F 9/30 - Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
• G09F 9/302 - Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements characterised by the form or geometrical disposition of the individual elements
• H01L 27/32 - Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including components using organic materials as the active part, or using a combination of organic materials with other materials as the active part with components specially adapted for light emission, e.g. flat-panel displays using organic light-emitting diodes
• H01L 51/50 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED)
• H05B 33/10 - Apparatus or processes specially adapted to the manufacture of electroluminescent light sources
• H05B 33/22 - Light sources with substantially two-dimensional radiating surfaces characterised by the chemical or physical composition or the arrangement of auxiliary dielectric or reflective layers

Abstract

Disclosed is a display device (1) which is provided with a plurality of pixels (160) that are disposed in matrix. Each of the pixels (160) has: an EL element (166) that emits light corresponding to the quantity of a supplied current; a drive transistor (161) that controls the light emission of the EL element (166); and switches (162, 163) which are connected to the gate of the drive transistor (161). The display device (1) is provided with a charge extraction section that extracts charges from the gate of each of the pixels (160) in the cases where power supply to the display device (1) is stopped.

IPC Classes  ?

• G09G 3/30 - Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix using controlled light sources using electroluminescent panels
• G09G 3/20 - Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix
• H01L 51/50 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED)
• H05B 33/08 - Circuit arrangements for operating electroluminescent light sources

Abstract

A method for manufacturing an organic EL display panel in which: a first pattern provided with a gate electrode (125), a scan line, and a first common wiring is formed on a substrate (110); a second pattern is formed, said second pattern being provided with a source electrode, a drain electrode (127), a data line, and a first unconnected part (161) for disconnecting the data line and the first common wiring; open-short inspection is performed on the data line; and a third pattern is formed, said third pattern being provided with a first bridge line (171) for connecting the data line and the first common wiring across the first unconnected part (161).

IPC Classes  ?

• G09F 9/30 - Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
• G09F 9/00 - Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
• H01L 27/32 - Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including components using organic materials as the active part, or using a combination of organic materials with other materials as the active part with components specially adapted for light emission, e.g. flat-panel displays using organic light-emitting diodes
• H01L 51/50 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED)
• H05B 33/08 - Circuit arrangements for operating electroluminescent light sources
• H05B 33/10 - Apparatus or processes specially adapted to the manufacture of electroluminescent light sources
• H05B 33/12 - Light sources with substantially two-dimensional radiating surfaces

Abstract

The present invention is provided with a substrate (10), and a first thin film transistor (1) and a second thin film transistor (2), which are disposed on the substrate (10). The first thin film transistor (1) is provided with a first gate electrode (21), and a first oxide semiconductor layer (41) used as a channel, the second thin film transistor (2) is provided with a second gate electrode (22), and a second oxide semiconductor layer (42) used as a channel, and a first oxide semiconductor material constituting the first oxide semiconductor layer (41) has a mobility that is different from that of a second oxide semiconductor material constituting the second oxide semiconductor layer (42).

IPC Classes  ?

• H01L 21/336 - Field-effect transistors with an insulated gate
• G09F 9/30 - Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
• H01L 21/363 - Deposition of semiconductor materials on a substrate, e.g. epitaxial growth using physical deposition, e.g. vacuum deposition, sputtering
• H01L 21/8234 - MIS technology
• H01L 27/08 - Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including integrated passive circuit elements with at least one potential-jump barrier or surface barrier the substrate being a semiconductor body including only semiconductor components of a single kind
• H01L 27/088 - Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including integrated passive circuit elements with at least one potential-jump barrier or surface barrier the substrate being a semiconductor body including only semiconductor components of a single kind including field-effect components only the components being field-effect transistors with insulated gate
• H01L 29/786 - Thin-film transistors
• H01L 51/50 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED)

Abstract

　A method for manufacturing a thin-film transistor (1) having an oxide semiconductor layer (40), the method including: a step (S30) for introducing a prescribed process gas and performing sputtering, thereby forming an oxide semiconductor film (40a) such that the carrier density exceeds a prescribed first value; and a step (S40) for performing an annealing treatment or a plasma treatment in an oxidizing atmosphere such that the carrier density of the oxide semiconductor film (40a) is at or below the first value.

IPC Classes  ?

• H01L 29/786 - Thin-film transistors
• C23C 14/08 - Oxides
• C23C 14/58 - After-treatment
• H01L 21/336 - Field-effect transistors with an insulated gate
• H01L 21/363 - Deposition of semiconductor materials on a substrate, e.g. epitaxial growth using physical deposition, e.g. vacuum deposition, sputtering

Abstract

The present invention is provided with a display pixel (PX) having: an organic EL element (OEL); a capacitive element (Cs); a drive transistor (Trd) wherein a gate electrode is connected to a first electrode of the capacitive element (Cs), and a source electrode is connected to a second electrode of the capacitive element (Cs), and to an anode electrode of the organic EL element (OEL); a first switch element (Tr1) that performs switching between a conductive state wherein a current is carried between the first electrode of the capacitive element (Cs) and a signal line for supplying a voltage corresponding to a data signal, and a non-conductive state wherein a current is not carried therebetween; and a resistor section, which has a resistor, and which is configured to be capable of performing switching between a conductive state wherein a current is carried between the second electrode of the capacitive element (Cs) and a power supply line (VINI) that supplies an initialization voltage, and a non-conductive state wherein a current is not carried therebetween, said resistor section being disposed on a current path to the power supply line (VINI) from a node (N2), i.e., a connection point between the second electrode of the capacitive element (Cs) and the anode electrode of the organic EL element (OEL).

IPC Classes  ?

• G09G 3/30 - Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix using controlled light sources using electroluminescent panels
• G09G 3/20 - Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix
• H01L 51/50 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED)

Abstract

This video display device (1) comprises: a video acquisition unit (8) acquiring a video expressed in an input video format in which each frame consists of an effective pixel region including n rows and m columns, p1 columns of horizontal blanking periods, and q1 rows of vertical blanking periods, and that is for displaying the plurality of said frames at a predetermined frame frequency; a video format conversion unit (7) that converts the format of said video into an output video format in which each frame consists of an effective pixel region including n rows and m columns, p2 columns of horizontal blanking periods, and q2 rows of vertical blanking periods which are fewer than said q1 rows, and that is for displaying the plurality of said frames at said predetermined frame frequency; and a display drive unit (4) that displays, on a display unit, said video row-by-row at a horizontal scanning frequency in said output video format.

IPC Classes  ?

• G09G 3/30 - Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix using controlled light sources using electroluminescent panels
• G09G 3/20 - Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix
• H01L 51/50 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED)

Abstract

This display panel (1) comprises: a substrate (10); a plurality of first connection wirings (11) that are provided in a first section in a peripheral edge region on a principal surface of the substrate (10), and that are connected to a first flexible printed circuit board (21); a plurality of second connection wirings (12) that are provided in a second section adjacent to said first section in said peripheral edge region on said principal surface of said substrate (10), and that are connected to a second flexible printed circuit board (22); a first inspection pad (113) and a second inspection pad (123) that are provided between said first section and said second section in said peripheral edge region on said principal surface of said substrate (10), and that are respectively connected to the first connection wiring (111) at the end closest to said second section and to the second connection wiring (121) at the end closest to said first section; and an electric circuit in which said first connection wiring (111) and said second connection wiring (121) constitute different power supply nodes.

IPC Classes  ?

• G09F 9/30 - Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
• G09F 9/00 - Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
• H01L 51/50 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED)
• H05B 33/04 - Sealing arrangements
• H05B 33/06 - Electrode terminals
• H05B 33/08 - Circuit arrangements for operating electroluminescent light sources
• H05B 33/10 - Apparatus or processes specially adapted to the manufacture of electroluminescent light sources

Abstract

Disclosed is a method for driving a display device (1) that is driven according to a sequence that includes a vertical blanking period and in which row-sequential scanning is performed, the display device comprising a display unit (2) including pixels (200) arranged in a matrix, each pixel including a positive electrode (121) formed on a drive circuit layer (11), an organic light-emitting layer (125) that is formed above the positive electrode (121) and that includes a light-emitting substance, and a transparent negative electrode (127) formed above the organic light-emitting layer (125). The method comprises: an initialization step for initializing a circuit element; a write-in step for writing a signal voltage into a capacitor element (210); a black insertion step for performing black display during a period determined on the basis of a resistance value of the transparent negative electrode (127); and a light emission step for making an organic EL element (201) emit light.

IPC Classes  ?

• G09G 3/30 - Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix using controlled light sources using electroluminescent panels
• G09G 3/20 - Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix
• H01L 51/50 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED)
• H05B 33/26 - Light sources with substantially two-dimensional radiating surfaces characterised by the composition or arrangement of the conductive material used as an electrode

Abstract

The present invention is a bank repair method for cases of occurrences of defects caused by breakdowns and foreign matter in banks when manufacturing an organic EL display device. Whether defects arising in vertical banks among the vertical banks formed on an underlying substrate are present is detected. When a defect is detected, a dam is formed within each of the recessed spaces adjacent to both sides of the vertical bank where the defect is present to divide the recessed space into a first space formed from a space part in proximity to the defect and a second space formed from a space part not in proximity to the defect. The dam is shaped such that when ink for forming a light-emitting layer is discharged into the recessed spaces from a nozzle head, an impact point is present in each of the first space and the second space.

IPC Classes  ?

• H05B 33/10 - Apparatus or processes specially adapted to the manufacture of electroluminescent light sources
• H01L 51/50 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED)
• H05B 33/12 - Light sources with substantially two-dimensional radiating surfaces
• H05B 33/22 - Light sources with substantially two-dimensional radiating surfaces characterised by the chemical or physical composition or the arrangement of auxiliary dielectric or reflective layers

Abstract

A plurality of nozzles that are arranged in rows above a substrate and wherein defective nozzles have been selected in advance are made to sweep relative to the substrate while discharging ink that includes functional material only from nozzles for use that are not selected as defective nozzles among the plurality of nozzles, thereby applying ink to an application region on the substrate, and a functional layer that includes the functional material is formed in the application region by drying the ink that has been applied. At least one spare nozzle that is not selected as the defective nozzles, passes over the application region and does not discharge ink when applying ink is present in the plurality of nozzles in addition to the nozzles for use.

IPC Classes  ?

• H05B 33/10 - Apparatus or processes specially adapted to the manufacture of electroluminescent light sources
• H01L 51/50 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED)
• H05B 33/12 - Light sources with substantially two-dimensional radiating surfaces
• H05B 33/22 - Light sources with substantially two-dimensional radiating surfaces characterised by the chemical or physical composition or the arrangement of auxiliary dielectric or reflective layers

Abstract

A thin film transistor (1) has: a substrate (10); an oxide semiconductor layer (30), which is positioned above the substrate (10), and which has a channel region, a source region, and a drain region; a gate insulating layer (40) positioned above the oxide semiconductor layer (30); a gate electrode (50) positioned above the gate insulating layer (40); a source electrode (70S) electrically connected to the source region; and a drain electrode (70D) electrically connected to the drain region. The channel region is a region facing the gate electrode (50) by having the gate insulating layer (40) therebetween, the drain region is a region, which is positioned on the one end side of the channel region, and which has a resistance value that is lower than that of the channel region, and the source region is a region, which is positioned on the other end side of the channel region, and which has a resistance value that is lower than that of the channel region. In the oxide semiconductor layer (30), the thickness of at least a boundary portion between the drain region and the channel region is less than the thickness of the channel region.

IPC Classes  ?

• H01L 29/786 - Thin-film transistors
• H01L 21/336 - Field-effect transistors with an insulated gate

Abstract

This source driver circuit (30) supplies, to each of a plurality of pixels (12) arranged in a matrix, an electrical signal corresponding to a pixel signal, and is provided with: a reference voltage generation unit (62) in which a plurality of resistors (63) are connected in series; a gradation voltage-generating resistor (52) which divides an input voltage into voltages of a plurality of magnitudes; and a gradation voltage generation circuit (60) provided with an amp (64) with offset cancel which is connected between the gradation voltage-generating resistor (52) and the plurality of resistors (63). The amp (64) with offset cancel alternates between: an offset extraction state in which an offset voltage of the amp (64) with offset cancel is extracted; and a buffer output state in which the offset voltage is added to the pixel signals and outputted.

IPC Classes  ?

• G09G 3/30 - Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix using controlled light sources using electroluminescent panels
• G09G 3/20 - Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix
• H01L 51/50 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED)
• H05B 33/08 - Circuit arrangements for operating electroluminescent light sources

Abstract

The present invention provides a display device correction method that is to be carried out by the control unit (20) of an organic EL display (10) that comprises an organic EL panel (11), which includes a plurality of display pixels (P), and the control unit (20), which controls the display by the organic EL panel (11). The correction method comprises: acquiring a cumulative value of pixel signals supplied to a drive transistor (T2) which is a component of a pixel to be processed among the plurality of display pixels (P) and supplies a drive current in accordance with the pixel signals to an organic EL element (OEL); calculating the shift amount of the threshold voltage for the drive transistor (T2) using the cumulative value; calculating the change in mobility using the shift amount; and calculating a correction parameter for correcting the pixel signals using the change in mobility.

IPC Classes  ?

• G09G 3/30 - Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix using controlled light sources using electroluminescent panels
• G09G 3/20 - Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix
• H01L 51/50 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED)

Abstract

Disclosed is a method for driving a display device (1) that is equipped with a display unit (2) which is provided with: a sub pixel (20R) having a first light emitting element (organic EL element (201)), and a first drive transistor (202) for supplying the first light emitting element with a first current corresponding to a first gradation signal; and a sub pixel (20G) having a second light emitting element (organic EL element (201)), and a second drive transistor (202) for supplying the second light emitting element with a second current corresponding to a second gradation signal. The display device is also equipped with a power supply unit (3) that applies power supply voltages to the sub pixels via a current path shared by the sub pixel (20R) and the sub pixel (20G). The method includes a step for correcting the first gradation signal on the basis of the first gradation signal and the second gradation signal such that a first current reduction due to a voltage drop generated in the current path is supplemented.

IPC Classes  ?

• G09G 3/30 - Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix using controlled light sources using electroluminescent panels
• G09G 3/20 - Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix
• H01L 51/50 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED)
• H05B 33/26 - Light sources with substantially two-dimensional radiating surfaces characterised by the composition or arrangement of the conductive material used as an electrode

Abstract

This display element is provided with an organic layer having at least a light-emitting layer between a first electrode and a second electrode, and the display element has an organic material layer having microcrystallinity between the first electrode and the light-emitting layer.

IPC Classes  ?

• H01L 51/50 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED)
• G09F 9/30 - Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
• H01L 27/32 - Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including components using organic materials as the active part, or using a combination of organic materials with other materials as the active part with components specially adapted for light emission, e.g. flat-panel displays using organic light-emitting diodes

Abstract

This display panel is provided with an EL panel section, a CF panel section, and a sealing resin layer. In the EL panel section, the surface of a sealing layer has a recessed section, i.e., a light emitting region equivalent to a region between banks, and a protruding section, i.e., a non-light emitting region equivalent to the top portion of each of the banks, said surface having a recessed and protruding shape in the Z axis direction as a whole. The sealing resin layer includes a first sealing resin layer and a second sealing resin layer. Prior to performing heating or light irradiation in a step for forming the first and second sealing resin layers, the viscosity of a second non-fluid resin constituting the second sealing resin layer is lower than the viscosity of the first non-fluid resin constituting the first sealing resin layer.

IPC Classes  ?

• H05B 33/10 - Apparatus or processes specially adapted to the manufacture of electroluminescent light sources
• H01L 51/50 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED)
• H05B 33/04 - Sealing arrangements
• H05B 33/12 - Light sources with substantially two-dimensional radiating surfaces

Abstract

A method for driving a display device (1) provided with a plurality of pixels (4) arranged in a matrix, wherein each of the plurality of pixels (4) is provided with an organic EL element (40) which emits light according to a supplied current, a drive transistor (41) which supplies the current to the organic EL element (40), and a holding capacitance (42) which is connected between a gate and a source or a drain of the drive transistor (41), the method for driving the display device (1) comprising: a light emission step for causing the organic EL element (40) to emit light by supplying the current to the organic EL element (40); a reset step for resetting the charge of the holding capacitance (42) and/or a parasitic capacitance of the organic EL element (40); and a reverse bias application step for applying reverse bias voltage between the gate and the source of the drive transistor (41), and the reset step being executed between the light emission step and the reverse bias application step.

IPC Classes  ?

• G09G 3/30 - Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix using controlled light sources using electroluminescent panels
• G09G 3/20 - Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix
• H01L 51/50 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED)

Abstract

This display device comprises a display region wherein a plurality of pixels are arranged, a surrounding region provided on the outer edge side of the display region, an insulation layer extending from the display region to the surrounding region, a separation groove provided in the surrounding region and dividing the insulation layer into an inner periphery side and an outer periphery side, and a sealing portion which is provided on the outer periphery side of the insulation layer and seals the display region. The width of the separation groove is set so as to become narrower the greater the distance between the outer end of the display region and the outer end of the sealing portion is, and wider the shorter the distance is. .

IPC Classes  ?

• H05B 33/22 - Light sources with substantially two-dimensional radiating surfaces characterised by the chemical or physical composition or the arrangement of auxiliary dielectric or reflective layers
• G09F 9/30 - Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
• H01L 27/32 - Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including components using organic materials as the active part, or using a combination of organic materials with other materials as the active part with components specially adapted for light emission, e.g. flat-panel displays using organic light-emitting diodes
• H01L 51/50 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED)
• H05B 33/04 - Sealing arrangements

Abstract

In the present invention, the following are provided: a display unit (110) that comprises display pixels (PIX) each of which includes an organic EL element (OEL1) that emits light in accordance with drive current, and a drive transistor (T5) that supplies to the organic EL element (OEL1) drive current which is in accordance with the magnitude of a luminance signal; a measurement element that is disposed outside the display unit (110) and that is composed of an organic EL element; a measurement pixel that includes a measurement transistor which supplies drive current to the measurement element; an amperage measurement unit (41) that measures the amperage of the measurement pixel in a prescribed degradation state; a deviation amount calculation unit (43) that calculates, for the measurement pixel, the deviation amount between a first correction amount for a theoretical luminance signal and a second correction amount for a luminance signal determined from the measured value of the amperage; and a luminance signal correction unit (44) that, using the deviation-amount calculation results, corrects a third correction amount for a theoretical luminance signal of the display pixels (PIX).

IPC Classes  ?

• G09G 3/30 - Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix using controlled light sources using electroluminescent panels
• G09G 3/20 - Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix
• H01L 51/50 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED)

Abstract

Provided is a drive method for a display device (10) in which a plurality of pixel circuits (20) are disposed in a matrix. The pixel circuits (20) each include: an emission element (EL) that emits lights in a quantity which is in accordance with the magnitude of supplied current; and a drive transistor (Trd) that supplies, to the emission element (EL), current which is in accordance with the magnitude of a video signal. In the drive method for the display device (10), in an initialization period for initializing the drive transistor (Trd), an initialization voltage adjustment unit (30) imparts an initialization voltage between the gate and the source of the drive transistor (Trd), such initialization voltage being higher than the threshold voltage of the drive transistor (Trd) and being in accordance with the degradation state of the drive transistor (Trd).

IPC Classes  ?

• G09G 3/30 - Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix using controlled light sources using electroluminescent panels
• G09G 3/20 - Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix
• H01L 51/50 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED)

Abstract

Disclosed is a correction method executed by a control unit (20) in an organic EL display (10) including a volatile memory (MV) which stores a cumulative value, a nonvolatile memory (MNV) having a slower writing speed than the volatile memory (MV), and said control unit (20), the method comprising: executing a cumulation process in which the cumulative value of the volatile memory (MV) is repeatedly updated every first period; executing a transfer process in which the cumulative value is transferred from the volatile memory (MV) to the nonvolatile memory (MNV) every second period which is longer than the first period; and delaying the timing of the transfer process for a portion of display pixels in accordance with the writing speed of a second memory and delaying the timing for starting the cumulation process for the portion of display pixels in accordance with the timing of the transfer process, or switching the order for transferring the cumulative value in the transfer process between a first order and a second order which is the reverse of the first order.

IPC Classes  ?

• G09G 3/30 - Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix using controlled light sources using electroluminescent panels
• G09G 3/20 - Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix
• H01L 51/50 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED)

Abstract

This organic light-emitting device production method uses a production device installed in an environment which is shielded from external light and in which an illumination device for radiating light comprising a wavelength component of 500 nm or greater is disposed, said production device comprising: a production device main body having an ink discharge unit for discharging an ink containing an organic light-emitting material; and a light-transmitting tube that forms at least a portion of an ink delivery path between a tank containing the ink and the ink discharge unit. In the organic light-emitting device production method, the ink inside the ink delivery path is removed when the integrated illuminance ET, from the illuminance E (lux) of the light radiated onto the light-transmitting tube and the length of time T (time) during which the light is radiated, satisfies the relationship: ET ≥ α × 17500 (lux × time) (constant α ≥ 1).

IPC Classes  ?

• H05B 33/10 - Apparatus or processes specially adapted to the manufacture of electroluminescent light sources
• H01L 51/50 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED)

Abstract

The present invention addresses the problem of providing packaging for a liquid composition that is used for an organic electroluminescent element and contains a phosphorescent material and a solvent, wherein said packaging can be manufactured with good operating efficiency and has an extended storage life. Said problem is solved by an organic-electroluminescent-element liquid composition packaging including: an organic-electroluminescent-element liquid composition that contains a phosphorescent material and a solvent; and a container that accommodates said organic-electroluminescent-element liquid composition. The transmittance of light having a wavelength component of 500-780 nm to inside said container from outside said organic-electroluminescent-element liquid composition packaging is 15% or less.

IPC Classes  ?

• H01L 51/50 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED)

Abstract

An organic electroluminescent device including: an anode, a cathode, an emitting layer formed of an organic compound and interposed between the cathode and the anode, and two or more layers provided in a hole-injecting/hole-transporting region between the anode and the emitting layer; of the layers which are provided in the hole-injecting/hole-transporting region, a layer which is in contact with the emitting layer containing a compound represented by the formula (1); and of the layers which are provided in the hole-injecting/hole-transporting region, a layer which is interposed between the anode and the layer which is in contact with the emitting layer containing an amine derivative represented by the formula (2).

IPC Classes  ?

• H01L 51/00 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof
• C09K 11/02 - Use of particular materials as binders, particle coatings or suspension media therefor
• C07D 209/86 - CarbazolesHydrogenated carbazoles with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to carbon atoms of the ring system
• C09K 11/06 - Luminescent, e.g. electroluminescent, chemiluminescent, materials containing organic luminescent materials
• H01L 51/50 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED)
• H01L 51/52 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED) - Details of devices

Abstract

This transistor is provided with: a gate electrode; an oxide semiconductor film that includes a channel region facing the gate electrode, and a low resistance region having a resistance value lower than that of the channel region; and a gate insulating film, which is provided between the oxide semiconductor film and the gate electrode, and which has a first surface at a position closer to the oxide semiconductor film, and a second surface at a position closer to the gate electrode. The gate insulating film first surface length in the channel length direction is longer than the maximum gate electrode length in the channel length direction.

IPC Classes  ?

• H01L 21/336 - Field-effect transistors with an insulated gate
• G02F 1/1368 - Active matrix addressed cells in which the switching element is a three-electrode device
• G09F 9/30 - Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
• H01L 21/28 - Manufacture of electrodes on semiconductor bodies using processes or apparatus not provided for in groups
• H01L 29/786 - Thin-film transistors

Abstract

This organic light-emitting device includes a plurality of light-emitting portions arranged two-dimensionally along the principal surface of a substrate. Each light-emitting portion includes a first electrode, a charge transport layer, an organic light-emitting layer, and a second electrode which are formed so as to be laminated in a first direction intersecting the principal surface of the substrate. In the organic light-emitting device, adjacent light-emitting portions are defined by a plurality of first banks, each of which extends in a third direction along the principal surface of the substrate, and a plurality of second banks, each of which extends along the principal surface of the substrate in a second direction intersecting the third direction. The charge transport layer and the organic light-emitting layer are formed continuously so as to extend over the second banks between the adjacent first banks. Here, each of the first banks and the second banks are formed from an insulating material, each second bank has a thickness equal to or less than 20% of the height of each first bank, and the contact angle of a surface section of each second bank is smaller than the contact angle of a surface section of each first bank.

IPC Classes  ?

• H05B 33/22 - Light sources with substantially two-dimensional radiating surfaces characterised by the chemical or physical composition or the arrangement of auxiliary dielectric or reflective layers
• H01L 51/50 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED)
• H05B 33/10 - Apparatus or processes specially adapted to the manufacture of electroluminescent light sources
• H05B 33/12 - Light sources with substantially two-dimensional radiating surfaces

Abstract

　In the present invention, an organic light-emitting device has a plurality of light-emitting parts disposed in two dimensions along the main surface of a substrate. The light-emitting parts are formed in layers in a first direction orthogonal to the main surface of the substrate, with a first insulating layer interposed therebetween, said light-emitting parts comprising a first electrode, an organic multilayer body, and a second electrode. Non-light-emitting parts are present between adjacent light-emitting parts in a second direction that is one of the directions in which the plurality of the light-emitting parts are arranged, and the first electrodes of the light-emitting parts on both sides of the non-light-emitting parts extend to the non-light-emitting parts. A second insulating layer is interposed between the first electrodes in the non-light-emitting parts. The second insulating layer covers the first electrodes in the non-light-emitting parts. The second insulating layer is formed in a position lower than the top surface of the first electrodes in the light-emitting parts, with the top surface of the substrate being the point of reference.

IPC Classes  ?

• H05B 33/12 - Light sources with substantially two-dimensional radiating surfaces
• H01L 51/50 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED)
• H05B 33/22 - Light sources with substantially two-dimensional radiating surfaces characterised by the chemical or physical composition or the arrangement of auxiliary dielectric or reflective layers

Abstract

The present invention is an organic EL element formed by laminating, in order, a first electrode, a coating-type buffer layer, at least one coating-type light-emitting layer, and a second electrode, wherein the light-emitting layer is a blue light-emitting layer, the total average film thickness of the buffer layer is at least 10nm, and the average distance between the surface of the first electrode on the light-emitting layer side and the surface of the light-emitting layer on the first electrode side is 30nm or less. Similarly, the present invention is an organic EL element formed by laminating, in order, a first electrode, at least one coating-type buffer layer, a coating-type light-emitting layer, and a second electrode, wherein the light-emitting layer is a green light-emitting layer, and the total average film thickness of the buffer layer is at least 20nm.

IPC Classes  ?

• H01L 51/50 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED)
• H05B 33/26 - Light sources with substantially two-dimensional radiating surfaces characterised by the composition or arrangement of the conductive material used as an electrode

Abstract

Provided is an ink component management method capable of controlling changes in the composition ratio of a mixed solvent in ink stored in an inkjet apparatus. The present invention is an ink component management method for managing ink components in an inkjet apparatus (100), which stores ink containing a functional material, a first solvent and a second solvent with both a higher boiling point and viscosity than the first solvent therein in a negative pressure environment and which discharges the stored ink to the outside through nozzles, wherein a mixed solvent in which a solvent of the same kind as the first solvent and a solvent of the same kind as the second solvent are mixed in a mixing ratio that corresponds to the volatilization volume per unit time of the first solvent and the volatilization volume per unit time of the second solvent is prepared and the prepared mixed solvent is added to the ink stored in the inkjet apparatus (100).

IPC Classes  ?

• B05D 1/26 - Processes for applying liquids or other fluent materials performed by applying the liquid or other fluent material from an outlet device in contact with, or almost in contact with, the surface
• B05D 3/00 - Pretreatment of surfaces to which liquids or other fluent materials are to be appliedAfter-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
• H01L 51/50 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED)
• H05B 33/10 - Apparatus or processes specially adapted to the manufacture of electroluminescent light sources

Abstract

This display device (1) has a display unit (2) in which a plurality of pixels (20) are laid out and a power-supply unit (3) that feeds a power-supply voltage to said pixels (20) from feed wires (30) laid out outside the display unit (2). Each pixel (20) is provided with a positive electrode (121) formed on top of a driving-circuit layer (11), an auxiliary wire (131) formed on top of the driving-circuit layer (11) at a distance from the positive electrode (121), an organic light-emitting layer (125) and an electron-transport layer (126) formed above the positive electrode (121), and a transparent negative electrode (127) formed above the electron-transport layer (126), wherein the electron-transport layer (126) and the transparent negative electrode (127) extend from above the positive electrode (121) to above the auxiliary wire (131). Letting M represent the numerical position of the pixel (20) farthest from the feed wires (30), letting R2p represent the resistance of each transparent negative electrode (127), and letting Rbp represent the resistance of each auxiliary wire (131), the resistance (Rip) of each electron-transport layer (126) satisfies the relation Rip ≤ (R2p−Rbp)×M×(M+1)/2.

IPC Classes  ?

• H05B 33/26 - Light sources with substantially two-dimensional radiating surfaces characterised by the composition or arrangement of the conductive material used as an electrode
• G09F 9/30 - Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
• H01L 27/32 - Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including components using organic materials as the active part, or using a combination of organic materials with other materials as the active part with components specially adapted for light emission, e.g. flat-panel displays using organic light-emitting diodes
• H01L 51/50 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED)
• H05B 33/12 - Light sources with substantially two-dimensional radiating surfaces

Abstract

This organic EL display device is provided with: a display panel (101); a board-like base (102) that is disposed on the rear surface side of the display panel (101); a flexible wiring board (104); a circuit board (103); an electronic component (105) attached to the wiring board (104) and/or the circuit board (103); a heat conductive member (106) attached to the rear surface of the electronic component (105); a rear surface structural member (107) that is disposed to cover the heat conductive member (106); and a connection member (108), which connects the base (102) and the rear surface structural member (107) to each other, and which generates a compression force that compresses the heat conductive member (106) by sandwiching the heat conductive member between the electronic component (105) and the rear surface structural member (107).

IPC Classes  ?

• H01L 51/50 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED)
• G09F 9/00 - Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
• G09F 9/30 - Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
• H01L 27/32 - Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including components using organic materials as the active part, or using a combination of organic materials with other materials as the active part with components specially adapted for light emission, e.g. flat-panel displays using organic light-emitting diodes
• H05B 33/02 - Electroluminescent light sources Details
• H05B 33/06 - Electrode terminals
• H05B 33/26 - Light sources with substantially two-dimensional radiating surfaces characterised by the composition or arrangement of the conductive material used as an electrode

Abstract

The organic EL display device (1) in this disclosure has a plurality of pixels (4), each of which comprises the following: an organic EL element (9) that emits light in accordance with a supplied pixel current (ipix); a driver transistor (Qd) that supplies said pixel current (ipix) to the organic EL element (9); and a holding capacitance (Cs) connected between the gate and the source of the driver transistor (Qd). Said organic EL display device (1) is provided with a control unit (3). In a display state in which the organic EL elements (9) in a subset of the abovementioned pixels (4) are made to emit light and the voltages across the holding capacitances in another subset of pixels (4) are varied so as to be made equal to the threshold voltages of the driver transistors (Qd) therefor, the control unit (3) applies drain voltages to the driver transistors (Qd) in the latter subset of pixels (4) independently of drain voltages in the former subset of pixels (4).

IPC Classes  ?

• G09G 3/30 - Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix using controlled light sources using electroluminescent panels
• G09G 3/20 - Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix
• H01L 51/50 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED)
• H05B 33/08 - Circuit arrangements for operating electroluminescent light sources

Abstract

　A method for manufacturing an organic EL display panel in which a substrate is prepared, at least a first electrode is formed as a plurality on the substrate, a partitioning wall layer comprising a photoresist material and having openings at locations corresponding to each of the first electrodes is photolithographically formed on the substrate on which the first electrodes were formed, a functional layer is formed by applying ink containing a functional material to each of the openings and by furthermore drying the ink, and at least a second electrode is formed on the functional layer; wherein when the partitioning wall layer is formed, the photoresist material is applied on the substrate on which the first electrodes were formed, the photoresist material is exposed via a mask, a development process is subsequently performed to open the locations on the photoresist material corresponding to each of the first electrodes, the opened photoresist material is completely exposed to light, and the completely exposed photoresist material is sintered.

IPC Classes  ?

• H05B 33/10 - Apparatus or processes specially adapted to the manufacture of electroluminescent light sources
• G09F 9/30 - Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
• H01L 27/32 - Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including components using organic materials as the active part, or using a combination of organic materials with other materials as the active part with components specially adapted for light emission, e.g. flat-panel displays using organic light-emitting diodes
• H01L 51/50 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED)
• H05B 33/12 - Light sources with substantially two-dimensional radiating surfaces
• H05B 33/22 - Light sources with substantially two-dimensional radiating surfaces characterised by the chemical or physical composition or the arrangement of auxiliary dielectric or reflective layers

Abstract

A thin film transistor (1) has: a substrate (10); an undercoat layer (20) that is disposed on the substrate (10); an oxide semiconductor layer (30), which is formed above the undercoat layer (20), and which contains at least indium; a gate insulating layer (50) that faces the undercoat layer (20) with the oxide semiconductor layer (30) therebetween; a gate electrode (60) that faces the oxide semiconductor layer (30) with the gate insulating layer (50) therebetween; and a source electrode (80S) and a drain electrode (80D), which are electrically connected to the oxide semiconductor layer (30). Fluorine is contained in a region, which is an internal region of the oxide semiconductor layer (30), and which is close to the undercoat layer (20).

IPC Classes  ?

• H01L 29/786 - Thin-film transistors
• G09F 9/30 - Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
• H01L 21/316 - Inorganic layers composed of oxides or glassy oxides or oxide-based glass
• H01L 21/336 - Field-effect transistors with an insulated gate
• H01L 21/363 - Deposition of semiconductor materials on a substrate, e.g. epitaxial growth using physical deposition, e.g. vacuum deposition, sputtering
• H01L 21/471 - Inorganic layers
• H01L 21/473 - Inorganic layers composed of oxides or glassy oxides or oxide-based glass
• H01L 51/50 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED)
• H01L 21/318 - Inorganic layers composed of nitrides

Abstract

　A manufacturing method according to one embodiment comprises sequentially forming a thin-film transistor (TFT) layer, a planarization layer (110), and a display element part on a substrate. In forming the TFT layer, an upper electrode (108) is covered, and a passivation layer (109) is formed so as to adjoin the planarization layer. In forming the display element part, a lower electrode is formed so as to adjoin the planarization layer. In connecting the upper electrode of the TFT layer and the lower electrode of the display element part, a contact hole (110a) is first opened in the planarization layer until the passivation layer is exposed at the bottom. Dry etching using a fluorine-containing gas is subsequently applied to the passivation layer exposed at the bottom of the contact hole, whereby a contact hole (109a) in which the upper electrode is exposed at the bottom is opened. A liquid-repellent film (121) that contains fluorine in the composition thereof is formed on the inner wall surface that faces the contact hole in the passivation layer. The lower electrode is then formed along the inner wall surface of the passivation layer and the planarization layer that faces the contact hole.

IPC Classes  ?

• G09F 9/00 - Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
• G09F 9/30 - Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
• H01L 21/768 - Applying interconnections to be used for carrying current between separate components within a device
• H01L 51/50 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED)
• H05B 33/04 - Sealing arrangements
• H05B 33/10 - Apparatus or processes specially adapted to the manufacture of electroluminescent light sources
• H05B 33/14 - Light sources with substantially two-dimensional radiating surfaces characterised by the chemical or physical composition or the arrangement of the electroluminescent material
• H05B 33/22 - Light sources with substantially two-dimensional radiating surfaces characterised by the chemical or physical composition or the arrangement of auxiliary dielectric or reflective layers
• H05B 33/26 - Light sources with substantially two-dimensional radiating surfaces characterised by the composition or arrangement of the conductive material used as an electrode

Abstract

　In this organic light-emitting device, a plurality of light-emitting portions that emit different colors each have a first electrode, a first charge injection/transport layer, an organic light-emitting layer, an intermediate layer, a second charge injection/transport layer, and a second electrode, which are arranged above a substrate. The intermediate layer includes a fluoride of an alkali metal or alkaline earth metal. The second charge injection/transport layer includes an alkali metal or alkaline earth metal. Of the first electrode and the second electrode, one is light reflective, and the other is light transmissive. Of the first charge injection/transport layer and the second charge injection/transport layer, the thickness of the layer that is arranged between the organic light-emitting layer and the electrode that, of the first electrode and the second electrode, is the light transmissive one, differs between the first light-emitting portion and the second light-emitting portion.

IPC Classes  ?

• H01L 51/50 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED)
• H05B 33/12 - Light sources with substantially two-dimensional radiating surfaces
• H05B 33/24 - Light sources with substantially two-dimensional radiating surfaces characterised by the chemical or physical composition or the arrangement of auxiliary dielectric or reflective layers of metallic reflective layers

Abstract

　A thin film transistor (1), provided with a gate electrode (30), a source electrode (70S) and a drain electrode (70D), an oxide semiconductor layer (50) used as a channel layer, and a gate insulation layer (40) arranged between the gate electrode (30) and the oxide semiconductor layer (50). Metal elements constituting the oxide semiconductor layer (50) include at least indium (In). Fluorine (F) is contained in a region inside the oxide semiconductor layer (50), the region being adjacent to the gate insulation layer (40).

IPC Classes  ?

• H01L 29/786 - Thin-film transistors
• G09F 9/30 - Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
• H01L 21/363 - Deposition of semiconductor materials on a substrate, e.g. epitaxial growth using physical deposition, e.g. vacuum deposition, sputtering
• H01L 27/32 - Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including components using organic materials as the active part, or using a combination of organic materials with other materials as the active part with components specially adapted for light emission, e.g. flat-panel displays using organic light-emitting diodes
• H01L 51/50 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED)

Abstract

This thin film transistor (1) is provided with: a gate electrode (30); a gate insulating layer (40) that is arranged above the gate electrode (30); an oxide semiconductor layer (50) that is arranged above the gate insulating layer (40); and a source electrode (70S) and a drain electrode (70D), which are arranged above the oxide semiconductor layer (50) and are electrically connected to the oxide semiconductor layer (50). The metal element constituting the oxide semiconductor layer (50) contains at least indium (In), and an internal region of the oxide semiconductor layer (50), said region being close to the gate insulating layer (40), contains fluorine (F). The fluorine concentration in a region of the oxide semiconductor layer (50), said region being close to the gate insulating layer (40), is higher than the fluorine concentration of a contact region of the oxide semiconductor layer (50), said contact region being in contact with the source electrode (70S) or the drain electrode (70D).

IPC Classes  ?

• H01L 29/786 - Thin-film transistors
• H01L 51/50 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED)
• H05B 33/08 - Circuit arrangements for operating electroluminescent light sources

Abstract

A method for testing a display panel is provided. In said method, circuit elements that change over time due to tiny leakage currents are tested with a high degree of precision. Said method, which is used to test a display panel (4) in which pixels (400) each provided with both a driving transistor (401) that allows a driving current to flow when a signal voltage is applied to the gate of said driving transistor (401) and an organic EL element (402) that emits light when said driving current flows are laid out in rows and columns, includes a step (S10) in which an initial voltage that is less than or equal to the threshold voltage of a driving transistor (401) is applied between the gate and the source of said driving transistor (401), a step (S20) in which a power-supply voltage is applied to the drain of the driving transistor (401) in which the aforementioned initial voltage was applied between the gate and the source, and a step (S40) in which any pixel (400) that has an organic EL element (402) that did not emit light when the aforementioned power-supply voltage was applied to the drain of the driving transistor (401) for said pixel (400) but emitted light after a given amount of time had elapsed is determined to be a current-leaking defective pixel.

IPC Classes  ?

• G09G 3/30 - Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix using controlled light sources using electroluminescent panels
• G09G 3/20 - Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix
• H01L 51/50 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED)
• H05B 33/10 - Apparatus or processes specially adapted to the manufacture of electroluminescent light sources
• H05B 33/12 - Light sources with substantially two-dimensional radiating surfaces

Abstract

A method for producing a display panel wherein a plurality of pixels are arranged, each having an organic EL element and wiring, the method comprising: a layering step of layering a light-emitting layer (12) constituting the organic EL elements, and a drive circuit layer (11) constituting the wiring; and a laser irradiation step of irradiating, with a femtosecond laser, a predetermined region of wiring having a shorted part from the back side so as not to pass through the light-emitting layer (12). The laser irradiation step comprises: a first laser irradiation step, wherein the predetermined region is irradiated with the femtosecond laser with the beam diameter being narrowed so that the beam diameter is approximately the width of the wiring, and; and a second laser irradiation step, wherein the corners of the predetermined region are irradiated with the femtosecond laser with the beam diameter being narrowed so that the beam diameter is a smaller beam diameter than the beam diameter in the first laser irradiation step, thereby cutting the wiring in the predetermined region.

IPC Classes  ?

• H05B 33/10 - Apparatus or processes specially adapted to the manufacture of electroluminescent light sources
• G09F 9/00 - Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
• G09F 9/30 - Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
• H01L 27/32 - Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including components using organic materials as the active part, or using a combination of organic materials with other materials as the active part with components specially adapted for light emission, e.g. flat-panel displays using organic light-emitting diodes
• H01L 51/50 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED)
• H05B 33/08 - Circuit arrangements for operating electroluminescent light sources

Abstract

This organic EL display panel is provided with: a substrate; an organic EL element array that is configured from a plurality of organic EL elements that are arranged above the substrate; a sealing plate that is above the organic EL element array and faces the substrate; a sealing wall that is between the substrate and the sealing plate and surrounds the peripheral edge of the organic EL element array to seal the organic EL element array; and a moisture absorbing material that is between the organic EL element array and the sealing wall and surrounds the peripheral edge of the organic EL element array. The moisture absorbing material is a resin that contains a chemical desiccant and is a liquid or a rubber.

IPC Classes  ?

• H05B 33/04 - Sealing arrangements
• B01D 53/28 - Selection of materials for use as drying agents
• H01L 51/50 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED)

Abstract

Disclosed is a display device manufacturing method wherein: a display device is lighted for a fixed time, and the luminance of the display device is measured as a first luminance when starting lighting (S2); when the fixed time has elapsed (yes in S3), the luminance of the display device is measured as a second luminance (S4); the deterioration rate of the second luminance with respect to the first luminance is calculated (S6); and when the deterioration rate is higher than a threshold value (yes in S7), the display device is discriminated as a defective product (S9).

IPC Classes  ?

• H05B 33/10 - Apparatus or processes specially adapted to the manufacture of electroluminescent light sources
• G09F 9/00 - Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
• H01L 51/50 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED)
• H05B 33/12 - Light sources with substantially two-dimensional radiating surfaces

Abstract

Disclosed is a method for manufacturing a TFT substrate (1) that is provided with a thin film transistor having an oxide semiconductor layer (5). The method includes: a step for forming source wiring (150) above a substrate (2), said source wiring being copper wiring formed of a laminated film including a copper film and a cap film on the copper film; a step for film-forming an insulating layer (8) on the source wiring (150); and a step for performing heat treatment at a temperature above 290°C after film-forming the insulating layer (8). The step for film-forming the insulating layer (8) includes: a step for film-forming a first silicon oxide film (81) at a film-forming temperature equal to or below 290°C; and a step for film-forming a second silicon oxide film (82) above the first silicon oxide film (81) at a film-forming temperature equal to or below 290°C. The total film thickness of the first silicon oxide film (81) and the second silicon oxide film (82) is equal to or more than 460 nm.

IPC Classes  ?

• H01L 29/786 - Thin-film transistors
• G09F 9/30 - Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
• H01L 21/28 - Manufacture of electrodes on semiconductor bodies using processes or apparatus not provided for in groups
• H01L 21/336 - Field-effect transistors with an insulated gate
• H01L 51/50 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED)
• H05B 33/02 - Electroluminescent light sources Details

Abstract

This thin film transistor is provided with a gate electrode, oxide semiconductor layer, gate insulating layer, source electrode, and drain electrode. The oxide semiconductor layer includes: a first semiconductor layer that includes a channel region; and a second semiconductor layer, which is disposed on the first semiconductor layer, and which includes a source contact region in contact with the source electrode, and a drain contact region in contact with the drain electrode. The second semiconductor layer contains a material that is same as that of the first semiconductor layer, and has a film density lower than that of the first semiconductor layer.

IPC Classes  ?

• H01L 29/786 - Thin-film transistors
• H01L 21/336 - Field-effect transistors with an insulated gate

Abstract

The present invention provides a display panel comprising a substrate (10) and a plurality of line banks (11) that are arranged on the substrate (10) along a specified direction, said line banks (11) comprising a plurality of line segment portions (19) of which the ends are connected to each other and having a periodic structure.

IPC Classes  ?

• H05B 33/22 - Light sources with substantially two-dimensional radiating surfaces characterised by the chemical or physical composition or the arrangement of auxiliary dielectric or reflective layers
• G09F 9/30 - Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
• H01L 51/50 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED)
• H05B 33/12 - Light sources with substantially two-dimensional radiating surfaces

Abstract

The present invention uses a substrate that includes: a first panel region (14) that has a first cell (40) disposed on one substrate (12); a second panel region (15) that has a second cell (41) disposed on the substrate (12) and has a different size from the first panel region (14); a first dummy cell (30) that is formed on the outer periphery of the first panel region (14) and has the same shape as the second cell (41); and a second dummy cell (31) that is formed on the outer periphery of the second panel region (15) and has the same shape as the first cell (40).

IPC Classes  ?

• G09F 9/30 - Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
• G09F 9/00 - Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
• H01L 27/32 - Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including components using organic materials as the active part, or using a combination of organic materials with other materials as the active part with components specially adapted for light emission, e.g. flat-panel displays using organic light-emitting diodes
• H01L 51/50 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED)
• H05B 33/02 - Electroluminescent light sources Details
• H05B 33/10 - Apparatus or processes specially adapted to the manufacture of electroluminescent light sources

Abstract

　An organic EL element (10) is provided with a positive electrode (12) and a negative electrode (16) disposed opposite each other, a functional layer (14) that is layered between the positive electrode (12) and the negative electrode (16) and contains an organic material, and a hole-injecting layer (13) for injecting a hole in the functional layer (14). The hole-injecting layer (13) contains a transition metal oxide as a main component and contains Al and/or Mg.

IPC Classes  ?

• H01L 51/50 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED)

Abstract

Provided is a manufacturing method for a light emitting device formed by disposing on a substrate a first light emitting element and a second light emitting element that have the same light emission color and that include: a first electrode and a second electrode one of which has light reflecting properties and the other of which has light transmitting properties; and, disposed between the first and second electrodes, a laminated structure of a plurality of functional layers which include a first layer and a second layer. In the manufacturing method, the first layer of the first light emitting element and the second light emitting element is formed by a sputtering method, and the second layer of the first light emitting element and the second light emitting element is formed by a coating method. If the optical film thickness of the first layer of the first light emitting element is Ds1, the optical film thickness of the first layer of the second light emitting element is Ds2, the optical film thickness of the second layer of the first light emitting element is Dw1, and the optical film thickness of the second layer of the second light emitting element is Dw2, the relationships Ds1Dw2 are satisfied.

IPC Classes  ?

• H05B 33/10 - Apparatus or processes specially adapted to the manufacture of electroluminescent light sources
• H01L 51/50 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED)
• H05B 33/24 - Light sources with substantially two-dimensional radiating surfaces characterised by the chemical or physical composition or the arrangement of auxiliary dielectric or reflective layers of metallic reflective layers

Abstract

An organic EL element wherein a TFT substrate (130) comprises a TAOS-TFT (Tr1) and an organic EL part (140) comprises a lower electrode (120). The lower electrode (120) comprises: an aluminum-containing metal layer (119); a transition metal-containing oxide layer (117) that is interposed between the aluminum-containing metal layer (119) and the TFT substrate (130); and an aluminum-containing oxide layer (118) that is formed between the aluminum-containing metal layer (119) and the transition metal-containing oxide layer (117) and is in contact with both the aluminum-containing metal layer (119) and the transition metal-containing oxide layer (117). The aluminum-containing oxide layer (118) contains aluminum oxide. The transition metal-containing oxide layer (117) contains tungsten oxide and has a film density of 6.5 g/cm3 or more.

IPC Classes  ?

• H05B 33/26 - Light sources with substantially two-dimensional radiating surfaces characterised by the composition or arrangement of the conductive material used as an electrode
• H01L 51/50 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED)
• H05B 33/10 - Apparatus or processes specially adapted to the manufacture of electroluminescent light sources

Abstract

This organic EL display panel (10) is provided with the following: a plurality of dividing walls (16) that are arranged in parallel above a substrate (11) such that each dividing wall extends in a column direction; and red organic light-emitting layers (17R), green organic light-emitting layers (17G), and blue organic light-emitting layers (17B) that are laid out in a plurality of gaps (20) above the substrate (11) between adjacent first dividing walls (16) so as to extend in the aforementioned column direction. The dividing walls (16) define the outer edges of subpixels (21) for the respective colors in a row direction, and in a planar view, the areas of blue subpixels (21B) are greater than the areas of red subpixels (21R) and greater than the areas of green subpixels (21G).

IPC Classes  ?

• H05B 33/12 - Light sources with substantially two-dimensional radiating surfaces
• H01L 51/50 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED)
• H05B 33/10 - Apparatus or processes specially adapted to the manufacture of electroluminescent light sources
• H05B 33/22 - Light sources with substantially two-dimensional radiating surfaces characterised by the chemical or physical composition or the arrangement of auxiliary dielectric or reflective layers
• H05B 33/26 - Light sources with substantially two-dimensional radiating surfaces characterised by the composition or arrangement of the conductive material used as an electrode

Abstract

This invention has a plurality of pixels (23) each containing a red subpixel (21R), a green subpixel (21G), a first blue subpixel (21DB) that emits deep blue light, and a second blue subpixel (21LB) that emits pale blue light. Each pixel is provided with a first blue pixel electrode (12DB) and a first blue organic light-emitting layer (17DB), which are arranged in that order from a substrate side within the first blue subpixel, and a second blue pixel electrode (12LB) and a second blue organic light-emitting layer (17LB), which are arranged on the substrate in that order from the substrate side within the second blue subpixel, wherein the first blue organic light-emitting layer (17DB) and the second blue organic light-emitting layer (17LB) comprise the same material, and in the direction perpendicular to the substrate (11), the distance between the top surface of the first blue organic light-emitting layer (17DB) and the top surface of the first blue pixel electrode (12DB) is shorter than the distance between the top surface of the second blue organic light-emitting layer (17LB) and the top surface of the second blue pixel electrode (12LB).

IPC Classes  ?

• H05B 33/12 - Light sources with substantially two-dimensional radiating surfaces
• G09F 9/30 - Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
• H01L 27/32 - Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including components using organic materials as the active part, or using a combination of organic materials with other materials as the active part with components specially adapted for light emission, e.g. flat-panel displays using organic light-emitting diodes
• H01L 51/50 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED)
• H05B 33/10 - Apparatus or processes specially adapted to the manufacture of electroluminescent light sources

Abstract

　A method for manufacturing an organic EL display panel (300) provided with a substrate (100) in which cells (102) are provided along a first direction (a), a plurality of cell rows being provided along a second direction (b) orthogonal to the first direction (a); wherein the method includes a discharging step for: causing a discharge head (401) provided with a row of a plurality of discharge ports (109) via which a raw material liquid containing a material for forming a layer within a light emission contribution layer is dicharged as liquid droplets, and a substrate (100) to move relative to each other; selecting a discharge port (109) positioned so as to face a cell (102); and discharging the raw material liquid. In the discharging step, the direction (X) of relative movement between the substrate (100) and the discharge head intersects with the first direction (a) in a non-orthogonal manner.

IPC Classes  ?

• H05B 33/10 - Apparatus or processes specially adapted to the manufacture of electroluminescent light sources
• H01L 51/50 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED)

Abstract

A display panel (1) is provided with: a first substrate (10); a display unit (20) that is disposed on the main surface of the first substrate (10); a first sealing wall (30) that is provided on the main surface of the first substrate (10), said first sealing wall being provided in a frame shape along the outer periphery of the first substrate (10); a second sealing wall (35) that is provided on the main surface of the first substrate (10), said second sealing wall being provided in a frame shape along the outer periphery of the display unit (20); a drying member (40) that is applied between the first sealing wall (30) and the second sealing wall (35); a protection member (45) that is applied to a region surrounded by means of the second sealing wall (35), said protection member being on the display unit (20); and a second substrate (15) that is provided on the first sealing wall (30), the second sealing wall (35), the drying member (40), and the protection member (45). The second sealing wall (35) covers at least a display unit (20) surface part on the reverse side of the surface in contact with the first substrate (10).

IPC Classes  ?

• G09F 9/30 - Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
• G09F 9/00 - Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
• H01L 51/50 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED)
• H05B 33/04 - Sealing arrangements

Abstract

A display device is provided with: a display unit (10) that is configured from a plurality of display pixels (P) that are provided with an organic EL element (OEL); and a control unit (20) that acquires a brightness signal from an image signal for displaying an image on the display unit (10), sets a reference display brightness to the actual display brightness that results from the brightness signal being applied to a reference pixel that has a preset light emission amount damping characteristic (L0), adjusts the brightness signal so that the actual display brightness of display pixels that are to be corrected becomes the reference display brightness, and calculates a correction signal that is applied to the display pixels (P).

IPC Classes  ?

• G09G 3/30 - Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix using controlled light sources using electroluminescent panels
• G09G 3/20 - Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix
• H01L 51/50 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED)

Abstract

Disclosed is a method for manufacturing a TFT substrate (20), said method including: a step for forming an oxide semiconductor layer (140) above a substrate (110); a step for forming a first oxide film (151) on the oxide semiconductor layer (140); a step for performing oxidation treatment with respect to the oxide semiconductor layer (140) after forming the first oxide film (151); and a step for forming a second oxide film (152) on the first oxide film (151) after performing the oxidation treatment.

IPC Classes  ?

• H01L 21/336 - Field-effect transistors with an insulated gate
• H01L 29/786 - Thin-film transistors

Abstract

The purpose of the present invention is to suppress degradation in the characteristics of the transistors of a pixel due to receiving light emitted from the light emission part of that pixel, without having to be dependent on a light shielding layer. A display device (10) according to the present invention comprises: a pixel array (30) composed of unit pixels (20) including light emitting parts (21); and a drive unit for driving the light emitting parts to emit light on the basis of a prescribed voltage while bringing the unit pixels transistors (22, 23) that are to be corrected into a conducting state during a non-light emitting period outside a display period during which display is driven on the basis of a display signal.

IPC Classes  ?

• G09G 3/30 - Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix using controlled light sources using electroluminescent panels
• G09G 3/20 - Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix
• H01L 51/50 - Solid state devices using organic materials as the active part, or using a combination of organic materials with other materials as the active part; Processes or apparatus specially adapted for the manufacture or treatment of such devices, or of parts thereof specially adapted for light emission, e.g. organic light emitting diodes (OLED) or polymer light emitting devices (PLED)