A display apparatus and a control method for the display apparatus. The display apparatus comprises a timing control chip and a power management integrated circuit. The timing control chip acquires a timing control signal, and, in a blanking interval of the timing control signal, sends a first instruction to the power management integrated circuit (S11). The power management integrated circuit comprises a switching frequency switching circuit and a voltage regulation circuit. The switching frequency switching circuit stops outputting a switching frequency signal in response to the first instruction, and the voltage regulation circuit stops outputting a regulation voltage in response to the switching frequency switching circuit stopping outputting the switching frequency signal (S12). Thus, the present application can reduce the power consumption of the display apparatus.
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
A display module and a display device. The display module comprises: a display layer (1); a PCB (2) arranged on the back face of the display layer (1); and a protective film (3) located on the side of the PCB (2) away from the display layer (1) and covering the PCB (2), wherein the protective film (3) is provided with a slit group at positions corresponding to edges of the PCB (2), such that edge regions of the protective film (3) can be folded along the slit group and respectively fitted to side surfaces of the PCB (2) and the back face of the display layer (1).
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
A display panel has a display region and a bezel region located on a periphery of the display region, and the display region includes a first region and a second region. The display panel includes a plurality of pixel driving circuits located in the first region and a plurality of pixel driving circuits located in the second region. A density of the pixel driving circuits in the first region is less than a density of the pixel driving circuits in the second region.
The present application relates to the technical field of display. Provided are a display panel and a display apparatus. The display panel comprises a display region and a non-display region, wherein the non-display region comprises a bonding region and a trace region, and the trace region connects the display region to the bonding region. The display panel comprises: a display substrate; and a touch layer, which is disposed on a light-emergent side of the display substrate and comprises a plurality of touch traces, with a gap being present between two adjacent touch traces. The touch layer comprises a first touch layer, a touch insulating layer and a second touch layer, wherein the first touch layer is disposed close to the display substrate, and the touch insulating layer is disposed between the first touch layer and the second touch layer; and a touch buffer layer, which is disposed on at least one side of the first touch layer and close to the first touch layer, wherein the touch insulating layer comprises a first boundary away from the display region, the touch traces extend through the first boundary to the bonding region, and the touch insulating layer or the touch buffer layer is provided with a blocking structure in a gap at the first boundary.
A display module (100), the display module (100) comprising: a display panel (10), a circuit board (20), and a heat dissipation structure (50), the display panel (10) comprising a main body portion (10a), a bending portion (10b), and a binding portion (10c), which are connected in sequence. The main body portion (10a) is provided with a light-emitting side and a non-light-emitting side which are disposed opposite to each other. An end of the bending portion (10b) connected to the binding portion (10c) is bent to the non-light-emitting side. The binding portion (10c) is located on the non-light-emitting side. The circuit board (20) is located on the non-light-emitting side and is connected to the binding portion (10c). The heat dissipation structure (50) is located on the side of the main body portion (10a) facing the circuit board (20), and the heat dissipation structure (50) comprises a first composite film layer (51), the first composite film layer (51) comprising a metal layer (511), and the metal layer (511) being configured to be electrically connected to the circuit board (20). The heat dissipation structure (50) further comprises a second heat dissipation layer (52), the second heat dissipation layer (52) being located on the side of the first composite film layer (51) away from the main body portion (10a) and being in contact with the metal layer (511), and the second heat dissipation layer (52) comprising a heat conduction layer (52a).
A display substrate, a display panel and a display apparatus are provided. The display substrate comprises a base substrate, which includes a display area and a non-display area on one side of the display area; an encapsulation dam in the non-display area and arranged around the display area, where an organic insulating layer has a groove structure on the side of the packaging dam away from the display area; and a touch structure, which is located on the side of the organic insulating layer facing away from the base substrate, and which comprises a plurality of touch lines extending to the non-display area; an inorganic insulating layer has a hollow structure on the side of the packaging dam away from the display area, and the hollow structure covers the groove structure and does not overlap with the orthographic projection of the plurality of touch lines.
G06F 3/041 - Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
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
H10D 86/40 - Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates characterised by multiple TFTs
H10D 86/60 - Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates characterised by multiple TFTs wherein the TFTs are in active matrices
A touch display panel and a display device. A first touch layer (12) in the touch display panel comprises a plurality of first touch electrodes (120) and a plurality of second touch lines (121), and a second touch layer (14) comprises a plurality of second touch electrodes (140) and a plurality of first touch lines (141). On at least one side of the touch display panel, the boundary of a touch area (TA) is expanded beyond the boundary of a display area (DA). At least one first touch line (141) is located between the boundary of the touch area (TA) and the boundary of the display area (DA), and/or at least one second touch line (121) is located between the boundary of the touch area (TA) and the boundary of the display area (DA).
The present disclosure relates to the technical field of display, and discloses a flexible circuit board and a display apparatus. The flexible circuit board comprises a main body portion and a device arrangement portion. The main body portion has a binding region, the binding region being used for being bound to a display panel. The device arrangement portion is provided with an electronic component, and the device arrangement portion has a first edge and a second edge, the first edge being connected to the main body portion, the device arrangement portion being at least partially surrounded by the main body portion, and there being a gap between the second edge and the main body portion, so as to enable the device arrangement portion to move in a third direction, the third direction being perpendicular to a display surface of the display panel. According to the flexible circuit board, the device arrangement portion can be prevented from generating a certain amount of pressure on the display panel, thereby preventing poor stamping on the display panel.
H05K 1/18 - Printed circuits structurally associated with non-printed electric components
G09F 9/33 - 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 being semiconductor devices, e.g. diodes
9.
PIXEL DRIVING CIRCUIT AND DRIVING METHOD THEREFOR, AND ARRAY SUBSTRATE AND DISPLAY APPARATUS
A pixel driving circuit (31) includes: a driving sub-circuit (311), a first light-emission control sub-circuit (312), a second light-emission control sub-circuit (313), a data write sub-circuit (314), a compensation sub-circuit (315) and a first reset sub-circuit (316). The driving sub-circuit (311) includes a control terminal, a first terminal and a second terminal; and in an initialization phase (t1) in one display frame of the pixel driving circuit (31), a voltage difference between the control terminal of the driving sub-circuit (311) and the first terminal of the driving sub-circuit (311) is fixed. A pulse width of the signal of the first reset signal control terminal is adjustable.
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
10.
PIXEL DRIVING CIRCUIT, DISPLAY PANEL, AND DISPLAY DEVICE
The present disclosure relates to the technical field of display, and provides a pixel driving circuit, a display panel, and a display device. The pixel driving circuit comprises: at least one driving circuit, a data writing circuit, a compensation circuit, and a redundant circuit. The driving circuit comprises a control signal end and two current transmission ends; the two current transmission ends comprise a first current transmission end and a second current transmission end; the driving circuit is used for forming a driving current between the two current transmission ends on the basis of a signal of the control signal end; and the at least one driving circuit comprises a first driving circuit. The data writing circuit is connected to the first current transmission end of the first driving circuit and a data signal end; and the data writing circuit is used for responding to a control signal to transmit a signal of the data signal end to the first current transmission end of the first driving circuit. The compensation circuit is connected to the second current transmission end and control signal end of the first driving circuit, and a first gate driving signal end; and the compensation circuit is used for responding to a signal of the first gate driving signal end to turn on the control signal end and second current transmission end of the first driving circuit. The redundant circuit comprises a redundant compensation circuit; the redundant compensation circuit is connected between a control signal end and one current transmission end of one driving circuit; and the redundant compensation circuit is used for responding to a control signal to turn on the control signal end and current transmission end which are connected to the redundant compensation circuit. The pixel driving circuit facilitates repair.
G09G 3/3225 - 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
11.
ARRAY SUBSTRATE, DISPLAY APPARATUS, METHOD OF OPERATING PIXEL DRIVING CIRCUIT, AND PIXEL DRIVING CIRCUIT
An array substrate is provided. The array substrate includes a pixel driving circuit. The pixel driving circuit includes a third node connecting line; and an auxiliary third node connecting line. An orthographic projection of the auxiliary third node connecting line on a base substrate at least partially overlaps with an orthographic projection of a respective first light emitting control signal line on the base substrate. An orthographic projection of the third node connecting line on the base substrate is non-overlapping with the orthographic projection of the respective first light emitting control signal line on the base substrate.
G09G 3/3208 - 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]
12.
DISPLAY PANEL AND PREPARATION METHOD THEREFOR, AND DISPLAY DEVICE
The present disclosure relates to the technical field of display, and provides a display panel and a preparation method therefor, and a display device. The display panel of the present disclosure has a display area and a peripheral area surrounding the display area. The display panel comprises a base substrate, a touch function layer provided on the base substrate, and a first protective layer provided on the side of the touch function layer facing away from the base substrate; the first protective layer comprises at least a first protective pattern located in the display area and a second protective pattern located in the peripheral area; the second protective pattern comprises a first surface and a second surface which are oppositely arranged in a thickness direction of the second protective pattern, and a third surface which is connected to the first surface and the second surface and is located on the side away from the display area; the second surface is closer to the base substrate than the first surface; and a dihedral angle formed between the second surface and a tangent plane of some points on the third surface ranges from 60° to 80°.
A display panel and a manufacturing method therefor, and a display device. The display panel comprises a substrate, a pixel definition layer, a light-emitting functional layer and a partition structure. The pixel definition layer is located on one side of the substrate. The pixel definition layer is provided with a plurality of pixel openings, and the plurality of pixel openings include a first pixel opening and a second pixel opening arranged adjacent to each other. The light-emitting functional layer is located on the side of the pixel definition layer away from the substrate. The light-emitting functional layer comprises a first light-emitting layer, a charge generation layer and a second light-emitting layer which are sequentially stacked in a direction moving away from the substrate. The partition structure is located between the first pixel opening and the second pixel opening. In the light-emitting functional layer, at least the charge generation layer is disconnected at the partition structure. The surface of the partition structure away from the substrate is closer to the substrate than the surface of the pixel definition layer away from the substrate, or the surface of the partition structure away from the substrate is flush with the surface of the pixel definition layer away from the substrate. The display panel is used for displaying an image.
H10K 59/122 - Pixel-defining structures or layers, e.g. banks
H10K 59/121 - Active-matrix OLED [AMOLED] displays characterised by the geometry or disposition of pixel elements
H10K 50/13 - OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers specially adapted for multicolour light emission, e.g. for emitting white light comprising stacked EL layers within one EL unit
H10K 59/126 - Shielding, e.g. light-blocking means over the TFTs
A display panel and a display device. The display panel comprises a base substrate (100), pixel driving circuits (Pix), binding pins (Pin), and one or more gate driving circuits (GOA); the base substrate (100) comprises a display region (AA) and a first bezel region (B1), the first bezel region (B1) and the display region (AA) are distributed in a first direction (Y), and the first bezel region (B1) comprises a binding region (FOG); the pixel driving circuits (Pix) are located on one side of the base substrate (100), and the orthographic projections of the pixel driving circuits (Pix) on the base substrate (100) are located in the display region (AA); the binding pins (Pin) are located on one side of the base substrate (100), the orthographic projections of the binding pins (Pin) on the base substrate (100) are located in the binding region (FOG), at least some of the binding pins (Pin) are used for binding source driving circuits, and the source driving circuits are used for providing data signals to the pixel driving circuits (Pix); the one or more gate driving circuits (GOA) are located on one side of the base substrate (100), the gate driving circuit(s) (GOA) is/are used for providing gate driving signals to the pixel driving circuits (Pix), each gate driving circuit (GOA) comprises a plurality of shift register units (SR), the orthographic projections of at least some of shift register units (SR) in a same gate driving circuit (GOA) on the base substrate (100) are distributed in a second direction (X), and the first direction (Y) intersects the second direction (X). A narrow bezel can be achieved in the display panel.
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
15.
DISPLAY SUBSTRATE AND PREPARATION METHOD THEREFOR, AND DISPLAY DEVICE
A display substrate and a preparation method therefor, and a display device. The display substrate comprises sub-pixel regions (100) and non-sub-pixel regions (200). Each sub-pixel region (100) comprises a dielectric layer (11) disposed on a substrate (101), an organic structure layer (14) disposed on the side of the dielectric layer (11) away from the substrate (101), and a first electrode (41), a light-emitting functional layer (43) and a second electrode (42) disposed in sequence on the side of the organic structure layer (14) away from the substrate (101). Each non-sub-pixel region (200) comprises a dielectric layer (11) disposed on the substrate (101), an organic structure layer (14) disposed on the side of the dielectric layer (11) away from the substrate (101), and at least one isolation trench (31) disposed in the organic structure layer (14), the at least one isolation trench (31) being located on at least one side of a sub-pixel region (100). Each isolation trench (31) comprises a side surface (311), the slope angle of the side surface (311) of the isolation trench (31) being an acute angle. The orthographic projection of at least one of a light-emitting functional layer material (44) and a second electrode material (45) on the substrate (101) contains the orthographic projection of the isolation trench (31) on the substrate (101).
Provided are a pixel circuit, a driving method, a display substrate, and a display apparatus. The pixel circuit comprises: a first sub-pixel driving circuit used for driving a first sub-pixel; and a second sub-pixel driving circuit used for driving a second sub-pixel. The first sub-pixel comprises a first sub-light-emitting element, the second sub-pixel comprises a second sub-light-emitting element, and the first sub-pixel and the second sub-pixel are two adjacent sub-pixels in a first direction or a second direction. The pixel circuit further comprises a first data signal line. The first data signal line is configured to provide data signals for both the first sub-pixel driving circuit and the second sub-pixel driving circuit. The data signals include a first sub-data signal and a second sub-data signal. The first sub-data signal is generated by the first data signal line in a third time period. The second sub-data signal is generated by the first data signal line in a fourth time period. The third time period and the fourth time period do not overlap.
G09G 3/32 - 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]
A display panel and a preparation method therefor, and a display device. The display panel (100) comprises a substrate (300) and N conductive layers, the N conductive layers are sequentially arranged on the substrate (300) in a direction away from the substrate (300), and each of the N conductive layers comprises at least one conductive wire extending at least in a first direction, where N is an integer greater than or equal to 3. Regarding the portion of the at least one conductive wire in each conductive layer that extends in the first direction and the portion of the at least one conductive wire in each of the remaining conductive layers that extends in the first direction, orthographic projections of said extending portions on the substrate (300) are offset from each other in a second direction and have an overlap, and the second direction intersects with the first direction.
A display substrate and a manufacturing method therefor, and a display device. The display substrate comprises a driving structure layer and a light-emitting structure layer. The driving structure layer comprises a plurality of circuit units; a circuit unit comprises a pixel driving circuit, a power connection line, and a first power line; the pixel driving circuit at least comprises a power connection electrode; the power connection electrode is connected to the power connection line; and the first power line is connected to the power connection line or the power connection electrode through a power via hole. The light-emitting structure layer comprises a plurality of light-emitting units; at least one light-emitting unit comprises an anode and a pixel definition layer; the anode is connected to the pixel driving circuit of a corresponding circuit unit; a pixel opening exposing the anode is formed in the pixel definition layer; and the orthographic projection of at least one pixel opening on a substrate does not overlap the orthographic projection of the power via hole on the substrate. According to the present disclosure, by not forming any power via hole within the range of the pixel opening, color cast can be effectively improved, thereby improving the display quality.
A display substrate and a display apparatus. The display substrate comprises: a base substrate, and sub-pixels and a first metal layer that are located on the base substrate. The sub-pixels include a first-color sub-pixel, and the first metal layer comprises data lines, the data lines being arranged in a first direction. A light-emitting region of the first-color sub-pixel comprises a first edge extending in the first direction and a second edge extending in a second direction, the length of the first edge being greater than the length of the second edge. The first metal layer further comprises a metal pad layer located between adjacent data lines, wherein in a direction perpendicular to the base substrate, the metal pad layer comprises a first overlapping portion which overlaps with a light-emitting region of a sub-pixel, the first overlapping portion is of a continuous structure, the first overlapping portion is symmetrically arranged with respect to a first center line of the light-emitting region of the sub-pixel which extends in the second direction, and the area of the first overlapping portion accounts for 60% or more of the area of the light-emitting region; and the metal pad layer is configured to transmit a power signal. The display substrate provided in the present disclosure can ameliorate color shift, thereby improving the display quality.
Embodiments of the present disclosure relate to the technical field of display, and provide a flexible printed circuit board. The flexible printed circuit board comprises a board body, a first shielding layer, a reinforcing sheet, and a connector; the board body has a first surface and a second surface which are opposite to each other; and the board body has a first end and a second end in the length direction of the board body. The connector is located on the first surface and at the first end, and the connector is connected to the board body. The reinforcing sheet is located on the second surface and at the first end, and the orthographic projection of the connector on the first surface at least partially overlaps the orthographic projection of the reinforcing sheet on the first surface. The first shielding layer is located on the second surface, and the first shielding layer is electrically connected to the reinforcing sheet. The embodiments of the present disclosure can ameliorate the problem of poor electrostatic and electromagnetic protection capabilities of the back surface of the connector in the flexible printed circuit board.
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
The present application relates to the technical field of display, and discloses a display module and a display apparatus. The display module comprises a display panel, a plurality of driving chips, and a plurality of first buffer portions. The driving chips and the first buffer portions are all connected to the side of a second panel portion facing away from a first panel portion, and in a direction perpendicular to a display surface, the thickness of the first buffer portions is greater than the thickness of the driving chips. Therefore, when a display apparatus in which the display module is mounted is pressed, the first buffer portions can withstand the pressing force. The first buffer portions have a good buffer effect, so that when the first buffer portions are pressed, under the buffer effect of the first buffer portions on the pressing force, the pressing force can be dissipated by the first buffer portions, so as to lower the probability of the driving chips being pressed, thereby avoiding the probability of damage to the driving chips due to pressing. In this way, the first buffer portions can protect the driving chips, improving the reliability of the display apparatus in which the display module is mounted.
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
22.
DISPLAY SUBSTRATE AND PREPARATION METHOD THEREFOR, AND DISPLAY
A display substrate and a preparation method therefor, and a display. The display substrate comprises a plurality of circuit units which form a plurality of unit rows and a plurality of unit columns, wherein at least one circuit unit comprises a pixel driving circuit and at least one initial signal line, the pixel driving circuit comprising at least one initialization transistor, and the initial signal line being connected to a first electrode of the initialization transistor; and in at least one circuit unit and a circuit unit adjacent thereto in a pixel column direction, pixel driving circuits in the two circuit units are in mirror symmetry relative to a row boundary line, first electrodes of initialization transistors in the two pixel driving circuits are connected to the same initial signal line, and the row boundary line is a straight line located between adjacent unit rows and extending in the direction of the unit rows. The present disclosure effectively reduces the number of traces and the number of via holes, thereby effectively improving the yield and an aperture ratio.
A level conversion circuit (100), a driving chip (10), a display module, and a display apparatus. The level conversion circuit (100) comprises a conversion unit (110), an inverting unit (120) and a delay unit (130), wherein the conversion unit (110) is electrically connected to the inverting unit (120), and the conversion unit (110) is configured to, under the action of a first bias signal (Bias1), generate a switch signal on the basis of a first power source voltage (AVDD1) and transmit the switch signal to the inverting unit (120); the inverting unit (120) is configured to, under the action of a second bias signal (Bias2), generate a driving voltage (VDD) on the basis of a second power source voltage (AVDD2), and invert the switch signal on the basis of the driving voltage (VDD) and transmit same to a load (140'); the delay unit (130) is electrically connected to the inverting unit (120), and the delay unit (130) is configured to transmit the second bias signal (Bias2) to the inverting unit (120); and the time when the conversion unit (110) receives the first bias signal (Bias1) is earlier than the time when the inverting unit (120) receives the second bias signal (Bias2).
G06F 1/26 - Power supply means, e.g. regulation thereof
G09G 3/36 - 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 by control of light from an independent source using liquid crystals
A display panel has a display region and a bezel region located on a periphery of the display region, and the display region includes a first region and a second region. The display panel includes a plurality of pixel driving circuits located in the first region and a plurality of pixel driving circuits located in the second region. A density of the pixel driving circuits in the first region is less than a density of the pixel driving circuits in the second region.
A display substrate, which has a display area and a binding area, the binding area being located on one side of the display area in a first direction. The display substrate comprises a base, a plurality of signal lines and a light-shielding layer, wherein the plurality of signal lines are located on the base, the signal lines are at least located in the display area, and the plurality of signal lines include a plurality of first-type signal lines and a plurality of first-type fan-out lines, the first-type signal lines receiving constant-voltage electrical signals; the light-shielding layer is located on the side of the plurality of signal lines away from the base, and is located in the display area, and the light-shielding layer comprises a plurality of first openings; the display area comprises a primary display area and a secondary display area located on one side of the primary display area, the light transmittance of the secondary display area being greater than the light transmittance of the primary display area, and the plurality of first openings being located in the secondary display area; the orthographic projections of the plurality of first-type signal lines and the plurality of first-type fan-out lines on the base do not overlap the orthographic projections of the plurality of first openings on the base; and each first-type fan-out line is located between two adjacent first-type signal lines.
A display substrate, a manufacturing method therefor, and a display apparatus, relating to, but not limited to, the technical field of display. The display substrate comprises a display region (100); the display region (100) comprises, provided on a substrate (101), data signal lines (1), auxiliary wires (5) and signal wires (6); shapes of the data signal lines (1) comprise a line shape extending in a second direction; the plurality of data signal lines (1) are spaced apart in a first direction; the data signal lines (1) and the auxiliary wires (5) are located at different film layers; at least some of the data signal lines (1) and the auxiliary wires (5) are connected in parallel by means of connecting vias; the auxiliary wires (5) and at least some of the signal wires (6) are located at a same film layer and are disconnected from each other; and the first direction intersects with the second direction.
A display substrate and a manufacturing method therefor, and a display apparatus. The display substrate comprises a plurality of first regions and a plurality of second regions which are alternately arranged; in the direction perpendicular to the display substrate, a display region comprises a driving structure layer and a light-emitting structure layer; a driving structure layer of each first region comprises a plurality of pixel driving circuits, a driving structure layer of each second region comprises at least one gate driving apparatus and/or at least one signal wire, a light-emitting structure layer of each first region comprises a plurality of first light-emitting devices, and a light-emitting structure layer of each second region comprises a plurality of second light-emitting devices; and at least one first light-emitting device in each first region is connected to at least one pixel driving circuit in the first region, and at least one second light-emitting device in each second region is connected to at least one pixel driving circuit in the first region.
BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD. (China)
Inventor
Ruan, Lu
Liu, Tingliang
Qiao, Zheng
Yang, Fucheng
Cao, Xilei
Zhang, Guiyu
Wang, Zhiqiang
Liu, Shuai
Yan, Jun
Jiang, Liqing
Liu, Shuangqi
Luo, Ping
Liu, Jianjun
Abstract
The present disclosure belongs to the technical field of display. Provided are a touch display substrate and a display apparatus. The touch display substrate of the present disclosure has a display area and a peripheral area surrounding the display area, wherein the touch display substrate comprises a base substrate, touch electrodes arranged on the base substrate and located in the display area, and touch leads, electrostatic protection circuits and a first power signal line which are located in the peripheral area, wherein the orthographic projection of the first power signal line on the base substrate overlaps with the orthographic projections of the touch leads on the base substrate; and by means of the electrostatic protection circuits, the touch leads are electrically connected to bonding area pins located in the peripheral area.
A display element includes: multiple light-emitting elements, at least one light-emitting element includes an anode layer and a cathode layer arranged opposite to each other, and at least two light-emitting units located between the anode layer and the cathode layer. When an application environment of the display element changes from a normal temperature to a first temperature, a change amount of a horizontal coordinate of a white point of the display element is less than or equal to 0.002, a change amount of a vertical coordinate of the white point of the display element is less than or equal to 0.008, and a color shift value of the display element is less than or equal to 1.4.
H10K 50/13 - OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers specially adapted for multicolour light emission, e.g. for emitting white light comprising stacked EL layers within one EL unit
Disclosed are a touch display substrate, a drive method therefor, and a touch display apparatus. The touch display substrate includes a base substrate, and a touch lead layer, an anode conductive layer, and a cathode conductive layer disposed on the base substrate, the anode conductive layer is located between the touch lead layer and the cathode conductive layer on a plane perpendicular to the base substrate, the anode conductive layer includes a plurality of transfer connection electrodes, the touch lead layer includes a plurality of touch leads, and the cathode conductive layer includes a plurality of cathodes; the plurality of cathodes are multiplexed as a plurality of touch electrodes, the plurality of touch electrodes are electrically connected with the plurality of touch leads through the plurality of transfer connection electrodes, and at least part of the touch leads are located in a display region (AA) of the touch display substrate.
The display substrate includes: sub-pixels including a pixel driving circuit and signal lines on a base substrate. The signal lines include a first power signal line including a first sub power signal line. The display substrate further includes: a light shielding layer, a first semiconductor layer and a first conductive layer sequentially arranged. The pixel driving circuit includes a third transistor including a third active layer in the first semiconductor layer and a third gate electrode in the first conductive layer. The third active layer includes a third channel region. Orthographic projections of the third gate electrode and the third channel region on the base substrate overlap. The first sub power signal line is in the light shielding layer, and an orthographic projection of the first sub power signal line on the base substrate covers the orthographic projection of the third channel region on the base substrate.
A touch substrate includes a first layer wiring group and a second layer wiring group that are located in a peripheral region. The first layer wiring group includes a plurality of first wirings, the second layer wiring group includes a plurality of second wirings, and a square resistance of a first wiring is greater than a square resistance of a second wiring. The peripheral region includes a first wiring region provided with at least one first-type touch lead therein and a second wiring region provided with at least one second-type touch lead therein. Each first-type touch lead includes a first wiring and a second wiring that are connected to each other and whose orthographic projections on the touch substrate are overlapped. Any second-type touch lead includes a second wiring or a first wiring. A length of the first-type touch lead is greater than a length of the second-type touch lead.
A display substrate and a fabrication method therefor, and a display apparatus. The display substrate comprises partition structures (10) disposed on a substrate; an anode disposed on the substrate, wherein the orthographic projections of the anode and the partition structures (10) do not overlap on the substrate; a light-emitting layer (7) disposed on the side of the anode away from the substrate, the light-emitting layer (7) being connected to the anode and being interrupted at the partition structures (10); a cathode (3) disposed on the side of the light-emitting layer (7) away from the substrate, the cathode (3) being connected to the light-emitting layer (7) and being interrupted at the partition structures (10); and an auxiliary cathode (20) located on the same film layer as the anode and insulated from the anode, the auxiliary cathode (20) being electrically connected to the cathode (3).
The present invention provides a display panel and a display device. The display panel comprises: a base substrate, and a first shift register and a second shift register which are located on the base substrate. The first shift register and the second shift register each comprise a first output transistor, a second output transistor, and a plurality of adapter holes; and the adapter holes are used for bridging an active region of the first output transistor and an active region of the second output transistor by means of a conductive layer. The number of the adapter holes in the second shift register is greater than the number of the adapter holes in the first shift register; and/or the size of each adapter hole in the second shift register is larger than the size of each adapter hole in the first shift register. A threshold voltage of the first output transistor in the second shift register is negatively biased relative to a threshold voltage of the first output transistor in the first shift register; and a threshold voltage of the second output transistor in the second shift register is negatively biased relative to a threshold voltage of the second output transistor in the first shift register.
H01L 27/12 - 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 other than a semiconductor body, e.g. an insulating body
G09G 3/32 - 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]
G09G 3/3208 - 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]
35.
PIXEL CIRCUIT, DRIVING METHOD, AND DISPLAY APPARATUS
Provided in the present disclosure are a pixel circuit, a driving method, and a display apparatus. The pixel circuit comprises N sub-pixels, N first initial voltage ends and N second initial voltage ends, wherein N is an integer greater than 1, and n is a positive integer less than or equal to N. An nth sub-pixel comprises an nth driving circuit, an nth light-emitting element, the nth first initialization circuit, the nth second initialization circuit and the nth first light-emission control circuit, wherein the nth first initialization circuit writes the nth first initial voltage into the nth third node under the control of a first reset control signal; the nth second initialization circuit writes the nth second initial voltage into the nth second node under the control of a second reset control signal; and at least two first initial voltages are different from each other, and/or at least two second initial voltages are different from each other. In the present disclosure, nodes in sub-pixels of various colors are reset by means of different initial voltages, such that image display with higher precision is realized at a high frequency.
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
36.
PIXEL CIRCUIT, DRIVING METHOD THEREFOR, DISPLAY PANEL AND DISPLAY APPARATUS
Provided are a pixel circuit, a driving method therefor, a display panel and a display apparatus, belonging to the technical field of display. In the pixel circuit, in response to receiving reset signals, a reset circuit can control a connection/disconnection between a first initial power line and an intermediate node, a connection/disconnection between the intermediate node and a driving node, a connection/disconnection between a second initial power line and the intermediate node and a connection/disconnection between the second initial power line and a light-emitting element; and, on the basis of the potential of the driving node, a driving circuit can drive the light-emitting element to emit light. In addition, the absolute value of the potential of a first initial power signal provided by the first initial power line is less than the absolute value of the potential of a second initial power signal provided by the second initial power line. Thus, each signal can be flexibly set, such that after the first initial power signal is transmitted to the driving node, the same second initial power signal is transmitted to the light-emitting element and the intermediate node so as to reduce the leakage current of a transistor coupled to the driving node, thereby ensuring that the driving circuit reliably drives the light-emitting element to emit light and achieving a good display effect.
G09G 3/3225 - 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
BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD. (China)
Inventor
Li, Chuanyong
Gong, Xuerui
Liu, Wenhong
Yu, Yong
Jia, Qun
Yang, Jie
Xiao, Bowen
Wang, Yanli
Li, Chunyan
Abstract
The present disclosure relates to a circuit board. The circuit board comprises pads and a circuit board body; the circuit board body comprises at least two thermally conductive layers; first conduction parts are each connected to the corresponding pad and the corresponding thermally conductive layer, respectively; and second conduction parts are each connected to two adjacent thermally conductive layers, respectively. The first conduction parts can transfer heat of the pads to the thermally conductive layers, and the second conduction parts can transfer heat between the thermally conductive layers, so that the heat can be longitudinally transferred between the thermally conductive layers; and at least two conduction parts among any two longitudinally adjacent conduction parts are staggered with each other, so that the heat is spread and dispersed by means of the thermally conductive layers, so as to effectively improve the transverse transfer and longitudinal transfer of the heat inside the circuit board, and prevent high temperature from being concentrated at a certain point, thereby avoiding the problem of yellowish display of a display panel caused by a high-temperature hot point. The present disclosure further provides a display device comprising the circuit board.
A display panel and a display apparatus. The display panel comprises: a base substrate, pixel driving circuit row groups (CP) and light-emitting units (OLED), wherein the pixel driving circuit row groups (CP) each comprise two adjacent pixel driving circuit rows (PH) in a column direction (Y), and each pixel driving circuit row (PH) comprises a plurality of pixel driving circuits (Pix) distributed in a row direction (X); the pixel driving circuits (Pix) are used for driving the light-emitting units (OLED), each pixel driving circuit (Pix) comprises a seventh transistor (T7), a first electrode of the seventh transistor (T7) is connected to a second initial signal line (Vinit2), a second electrode of the seventh transistor (T7) is connected to a first electrode of the corresponding light-emitting unit (OLED), a gate of the seventh transistor (T7) is formed by part of the structure of a second reset signal line (RE2), and an orthographic projection of the second reset signal line (Re2) on the base substrate extends in the row direction (X); and the orthographic projections of two adjacent pixel driving circuit rows (PH) in the same pixel driving circuit row group (CP) on the base substrate are at least partially mirror-symmetric with respect to a first symmetry axis, the first symmetry axis extends in the row direction (X), and two adjacent pixel driving circuit rows (PH) in the same pixel driving circuit row group (CP) share the same second initial signal line (Vinit2).The display panel has high integration and preparation yield.
Provided are a pixel circuit and a driving method therefor, a display panel and a display apparatus, which belong to the technical field of display. A data writing circuit can control the connection and disconnection between a data line and a first node under the control of a gate driving signal; a first light-emission control circuit can control the connection and disconnection between a driving power source line and a second node under the control of a first light-emission control signal; a reset circuit can control the connection and disconnection between an initial power source line and a third node under the control of a reset signal; and a compensation circuit can control the connection and disconnection between a compensation power source line and the first node under the control of a compensation signal and adjust the potential of the first node. Therefore, by means of flexibly setting signals, a driving signal transmitted by a driving circuit to a light-emitting element is independent of both a signal provided by a driving power source line and a threshold voltage of a driving transistor in the driving circuit. Thus, the influence of a voltage drop on the driving power source line and the characteristic drift of the transistor on the driving signal can be avoided, thereby ensuring that the light-emitting element is reliably driven to emit light, such that a display effect is better.
G09G 3/3225 - 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
40.
MASK PLATE, MANUFACTURING METHOD THEREFOR AND DISPLAY PANEL
The present application belongs to the technical field of display. Disclosed are a mask plate, a manufacturing method therefor and a display panel. On a mask net, providing auxiliary openings on the peripheries of multiple opening areas and providing shielding strips to cover the auxiliary openings can ensure a low probability of bad warping phenomena at the boundaries of the opening areas arranged at the edge of the mask net while ensuring no additional film layer structure is formed on a substrate. Thus, during the process of using the mask plate for depositing films onto a substrate, a material to be used for film deposition can accurately pass through each opening area to be deposited onto the substrate, so that none of the films deposited onto the substrate on the basis of the opening areas will contain a redundant shadow part, allowing for high accuracy of the films to be formed on the substrate so as to ensure the high reliability of a display panel obtained by subsequently cutting the substrate.
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
41.
DISPLAY SUBSTRATE, DISPLAY PANEL, AND DISPLAY DEVICE
Provided are a display substrate, a display panel, and a display device. The display substrate comprises a plurality of sub-pixels and a plurality of signal lines located on a substrate, wherein the plurality of sub-pixels are arranged in an array in a first direction and a second direction, and at least one sub-pixel comprises a light-emitting device and a pixel drive circuit; and the plurality of signal lines comprise a first power supply signal line. The display substrate further comprises: a light-shielding layer, a first semiconductor layer, and a first conductive layer which are away from the substrate in sequence. The pixel drive circuit comprises a third transistor comprising a third active layer located in the first semiconductor layer and a third gate located in the first conductive layer, wherein the third active layer comprises a third channel region, and the orthographic projections of the third gate and the third channel region on the substrate at least partially overlap with each other. The first power supply signal line comprises a first sub-power supply signal line located in the light-shielding layer, and the orthographic projection of the first sub-power supply signal line on the substrate covers the orthographic projection of the third channel region on the substrate.
BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD. (China)
Inventor
Jia, Qun
Li, Chuanyong
Yang, Hufei
Xiao, Bowen
Yu, Yong
Zhang, Chang
Wang, Yanli
Li, Chunyan
Abstract
The present application relates to a circuit board. The circuit board comprises a circuit board body (1), a protective layer (2) and a blocking dam (3), wherein the circuit board body (1) comprises a wiring area (101) and a pin area (103), which are sequentially spaced apart from each other in a first direction, the protective layer (2) covers the wiring area (101), and the blocking dam (3) covers the end of the wiring area (101) that is close to the pin area (103), the protective layer (2) flows along the wiring area (101) to the pin area (103) before being cured, a height difference formed between the blocking dam (3) and the circuit board body (1) enables blocking of the flowing protective layer (2), so as to prevent the protective layer (2) from flowing to a binding area of the pin area (103). This ensures a binding effect of a pin (123), and ensures the final reliability of a display module. Further provided in the present application are a display module comprising the circuit board described above, and a display apparatus comprising the display module.
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
A display substrate and a preparation method therefor, and a display device. The display substrate comprises multiple circuit units forming multiple unit rows and multiple unit columns. At least one of the circuit units comprises a pixel driving circuit, and multiple scanning signal lines connected to the pixel driving circuit, and the pixel driving circuit at least comprises multiple transistors. In a direction perpendicular to the display substrate, the display substrate at least comprises a first gate metal layer (GATE1) disposed on a base (101), and a first source-drain metal layer (SD1) disposed on the side of the first gate metal layer (GATE1) distant from the base (101). A gate electrode of at least one of the transistors is disposed in the first gate metal layer (GATE1), at least one of the scanning signal lines is disposed in the first source-drain metal layer (SD1), and the scanning signal line is connected to the gate electrode by means of a via hole.
Disclosed is a display panel, which comprises: a base substrate, and, disposed on the base substrate, a circuit structure layer and a light-emitting structure layer. The base substrate comprises a first display area, and a second display area located on at least one side of the first display area. The circuit structure layer comprises a plurality of first pixel circuits and a plurality of second pixel circuits which are located in the second display area, and a plurality of connecting lines extending from the second display area to the first display area. The light-emitting structure layer comprises a plurality of first light-emitting elements located in the first display area, and a plurality of second light-emitting elements located in the second display area. At least one first pixel circuit is electrically connected to at least one first light-emitting element by means of at least one connection line.
H10K 59/131 - Interconnections, e.g. wiring lines or terminals
G06F 3/041 - Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
G06F 3/044 - Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
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
BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD. (China)
Inventor
Xia, Weidi
Weng, Hongtao
He, Xiaoling
Qiu, Yuanyou
Wang, Rui
Zhan, Shuangyuan
Chen, Rui
Abstract
Disclosed is an array substrate. In the array substrate, a control electrode of a driving transistor, a second electrode of a compensation transistor, and a second electrode of a first reset transistor are all electrically connected to a first conductive connection portion, and a first electrode of the driving transistor and a second electrode of a data writing transistor are both electrically connected to a second conductive connection portion. The orthographic projection of a first conductive portion of the first conductive connection portion on a substrate overlaps with the orthographic projection of a first scanning signal line on the substrate. The orthographic projection of the first conductive portion of the first conductive connection portion on the substrate overlaps with the orthographic projection of a second scanning signal line on the substrate. A first shielding layer is configured to have a constant voltage signal, and the first shielding layer comprises a first shielding pattern. In a direction along the thickness of the substrate, the first shielding pattern is located between the first scanning signal line and the first conductive portion, and/or in the direction of the thickness of the substrate, the first shielding pattern is located between the second scanning signal line and the first conductive portion.
A display substrate and a display device, the display substrate comprising a base (101), and a second power supply line (VSS) and at least one second power supply connection line (VSSL) which are disposed on one side of the base (101), wherein the base comprises a display area (100) and a frame area (300), on a plane parallel to the display substrate, the frame area (300) being located around the display area (100); the second power supply line (VSS) is arranged in the frame area (300) and at least located on two opposite sides of the display area (100); and the at least one second power supply connection line (VSSL) is located in the display area (100) and extends to the two opposite sides of the display area (100), and is electrically connected to the second power supply line (VSSL) located on at least one side of the display area (100).
A display panel, which display panel comprises a light-shielding layer (13) and at least two pixel circuits. Each pixel circuit comprises at least two transistors for receiving different signals. The light-shielding layer (13) comprises first light-shielding structures (131) and second light-shielding structures (132). The orthographic projections of the first light-shielding structures (131) and the second light-shielding structures (132) on a drive circuit layer (12) respectively overlap active parts of different types of transistors, and two adjacent first light-shielding structures (131) are connected together, and/or two adjacent second light-shielding structures (132) are connected together, such that the electrostatic discharge area and path of the light-shielding layer (13) can be increased, and thus static electricity accumulated during a process is released in a timely manner or uniformly distributed, thereby preventing static electricity from damaging the light-shielding layer (13) or other film layers, and the display effect is good. Further provided is a display apparatus comprising the display panel.
A display panel and a display device, relating to the technical field of display. The display panel comprises a display substrate (10) and a touch substrate (20); the touch substrate (20) comprises a plurality of first touch units (201), second touch units (202), third touch units (203), and fourth touch units (204); the first touch units (201) each comprise a plurality of first touch electrodes (541) sequentially connected in a first direction; the second touch units (202) each comprise a plurality of second touch electrodes (542) sequentially connected in the first direction, and input signals of the second touch units (202) and input signals of the first touch units (201) have opposite signs; the third touch units (203) each comprise a plurality of third touch electrodes (543) sequentially connected in a second direction, and the third touch electrodes (543) and the first touch electrodes (541) form first touch capacitors; and the fourth touch units (204) each comprise a plurality of fourth touch electrodes (544) sequentially connected in the second direction, and the fourth touch electrodes (544) and the second touch electrodes (542) form second touch capacitors. The noise of touch signals of the display panel is relatively low.
A display panel includes a display substrate and a touch structure disposed on the display substrate. The display substrate has a display area and a non-display area and includes a plurality of connection portions located in the non-display area. The touch structure includes a plurality of first touch channels, a plurality of second touch channels, a plurality of first trace lines and a plurality of second trace lines. A first touch channel includes first touch electrodes arranged in a first direction, and a second touch channel includes second touch electrodes arranged in a second direction; the first direction is perpendicular to the second direction. The plurality of first touch electrodes in the first touch channel are connected through a first trace line; the plurality of second touch electrodes in the second touch channel are connected to a same connection portion through respective second trace lines.
A pixel circuit includes a light-emitting element, a compensation control circuit, a data writing circuit, a driving circuit and a first energy storage circuit. The compensation control circuit writes a reference voltage into a control end of the driving circuit under the control of a first scanning signal. The data writing circuit writes a data voltage to the control end of the driving circuit under the control of a second scanning signal.
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
A display apparatus and a pixel circuit. The pixel circuit includes: a first storage sub-circuit, connected between a first node and a second node; a data writing sub-circuit, configured to charge the second node; a driving sub-circuit, configured to control connection or disconnection between a third node and a fourth node under control of the first node; a compensation sub-circuit, configured to control connection or disconnection between the first node and the fourth node under control of a first scan signal end; a luminous control sub-circuit, configured to control connection or disconnection between a first power end and the third node under control of a first luminous control signal end, and further configured to control connection or disconnection between the fourth node and a first electrode of a sub-pixel under control of a second luminous control signal. The present disclosure can improve display effect.
G09G 3/3258 - 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 voltage across the light-emitting element
52.
Display apparatus, pixel circuit, and method for driving pixel circuit
A display apparatus, a pixel circuit, and a method for driving a pixel circuit are provided. The pixel circuit comprises: a first storage sub-circuit, connected between a first node and a second node; a driving sub-circuit, used to control connection or disconnection between the third node and the fourth node under control of the first node; wherein the third node is connected to a first power supply terminal; a light-emitting control sub-circuit, used to control connection or disconnection between the fourth node and the first electrode of the sub-pixel; a second storage sub-circuit, used to store a potential of the first node; a data writing sub-circuit, used to input a voltage to the second node; and a compensation sub-circuit, used to control connection or disconnection between the first node and the third node under control of the first scanning signal terminal, or, used to control connection or disconnection between the first node and the fourth node under the control of the first scanning signal terminal. The present disclosure can improve the display effect.
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
The present disclosure provides a display panel and a display apparatus, the display panel includes a display region and a non-display region surrounding the display region, the display panel includes a light emitting device having a first electrode, the first electrode includes an in-plane electrode in the display region and an out-of-plane electrode in the non-display region, and a voltage dividing structure, and the voltage dividing structure is connected between the in-plane electrode and the out-of-plane electrode, and a resistivity of a material of the voltage dividing structure is greater than that of a material of each of the out-of-plane electrode and the in-plane electrode. The display panel provided by the present disclosure can improve the display brightness uniformity without increasing a width of the non-display region of the display panel.
BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD. (China)
Inventor
Chen, Teng
Shi, Dawei
Wang, Wentao
Xin, Zongxi
Liu, Qianjun
Tang, Liang
Abstract
A shift register (SR), a gate on array (GOA) circuit, and a display panel, relating to the technical field of display. In the shift register (SR), a first input sub-circuit (M3) writes a first supply voltage (V1) into a first node (N1) in response to a first level of a first-type clock signal (KA), a second input sub-circuit (M2) writes the first-type clock signal (KA) into the first node (N1) in response to the first level on a signal input end (In), a first output unit outputs a second supply voltage (V2) in response to the first level on the first node (N1), a first control sub-circuit (M1) writes a second-type clock signal (KB) into a second node (N2) in response to the first level on the signal input end (In), a second control sub-circuit (M4) writes the second-type clock signal (KB) into a third node (N3) in response to the first level on the first node (N1), a third control sub-circuit (M5) conducts the third node (N3) with the second node (N2) in response to the first level of the first-type clock signal (KA), and a second output unit outputs the first supply voltage (V1) in response to the first level on the second node (N2), so as to ensure a stable output of the shift register (SR).
Disclosed is a display substrate, comprising a plurality of pixel driving circuits and a plurality of data signal line groups. Pixel driving circuits in one column are divided into n pixel driving circuit groups, and one data signal line group is electrically connected to pixel driving circuits in one column. A data signal line group electrically connected to pixel driving circuits in an m-th column comprises a first data signal line, a data signal line group electrically connected to pixel driving circuits in an (m+1)-th column comprises a second data signal line, and the first data signal line and the second data signal line are located between the pixel driving circuits in the m-th column and the pixel driving circuits in the (m+1)-th column. A plurality of anode adapter lines electrically connected to the pixel driving circuits in the (m+1)-th column comprise a first anode adapter line, and the first anode adapter line comprises a first anode adapter portion in the same layer as the data signal lines. In a row direction, the first anode adapter portion is located between the first data signal line electrically connected to the pixel driving circuits in the m-th column and the second data signal line electrically connected to the pixel driving circuits in the (m+1)-th column.
A display panel and a display device. A peripheral region (WA) of the display panel is provided with binding portions (PA). The display panel comprises sub-pixels (P) and data lines (DAL), and each sub-pixel (P) comprising a pixel circuit (PC) and a light-emitting device (LD). Multiple data lines (DAL) are connected to multiple binding portions (PA) by means of multiple fan-out lines (FL) located in the peripheral region (WA). The multiple fan-out lines (FL) are divided into multiple line groups, and different line groups are connected to different binding portions (PA). The distance between two adjacent binding portions (PA) is greater than the distance between two adjacent line groups. One of the line groups connected to two adjacent binding portions (PA) is a first line group (FG1), and the other line group is a second line group (FG2). The first through n-th fan-out lines (FL) belong to the first line group (FG1), and the (n+1)-th fan-out line (FL) belongs to the second line group (FG2). The first through (n-x)-th fan-out lines (FL) in the first line group (FG1) are first-type fan-out lines (F1), and the (n-x+1)-th through n-th fan-out lines (FL) are second-type fan-out lines (F2). The distance (L1) of at least part of a region between the (n-x)-th fan-out line (FL) and the (n-x+1)-th fan-out line (FL) is greater than the minimum distance (L2) between two adjacent fan-out lines (FL) among the first-type fan-out lines (F1).
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 3/32 - 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]
H01L 23/538 - Arrangements for conducting electric current within the device in operation from one component to another the interconnection structure between a plurality of semiconductor chips being formed on, or in, insulating substrates
The present disclosure provides a display substrate and a display panel. The display substrate comprises a display area and a first frame area. The display substrate comprises: a base substrate; a plurality of first voltage lines and a plurality of second voltage lines, which are arranged on the base substrate in the first frame area, one second voltage line being arranged between two adjacent first voltage lines in a first direction, the plurality of first voltage lines being electrically connected to each other, and the plurality of second voltage lines being electrically connected to each other; and a circuit board arranged on the base substrate in the first frame area, wherein the circuit board is arranged on the sides of the first voltage lines and the second voltage lines away from the display area; and the circuit board is electrically connected to the plurality of first voltage lines and is used for providing first voltage signals for the first voltage lines. The present disclosure has the function of splitting first voltage signals, thus avoiding the risk of burning caused by the high current density of the first voltage signals on first voltage lines on the left side and the right side under conditions of high brightness.
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
58.
DISPLAY MODULE, BACKPLANE ASSEMBLY AND DISPLAY APPARATUS
A display module, comprising: a display panel, a first alignment mark being arranged on the back side of the display panel; a backplane, the backplane being located on the back side of the display panel, and the backplane being provided with a closed through hole opposite to the first alignment mark; and an adhesion layer, which is located between the backplane and the display panel and bonds the backplane to the display panel, wherein a filling member is arranged in the closed through hole.
H05K 5/02 - Casings, cabinets or drawers for electric apparatus Details
G09F 9/33 - 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 being semiconductor devices, e.g. diodes
The present disclosure relates to the technical field of display. Disclosed are a display panel and a display device, which can alleviate the jagginess of a display picture on an irregular display boundary. The display panel comprises a substrate layer, wherein pixel units are provided on one side of the substrate layer, each pixel unit comprises a first sub-pixel, a second sub-pixel and a third sub-pixel, and one pixel unit corresponds to one virtual rectangle; the area proportion of a light-emitting layer in each virtual rectangle is greater than or equal to 80%; connecting lines between geometric centers of all pixel openings in each pixel unit form a virtual triangle, an included angle between a long side of a virtual rectangle and the connecting line between the geometric centers of the pixel openings of the first sub-pixel and the third sub-pixel is a first included angle, and the first included angle is the minimum angle among included angles formed between each side of the virtual triangle and the long side of the virtual rectangle; a second overlapping area and a third overlapping area are smaller than or equal to a first overlapping area; and the shape of at least one of the pixel openings of the first sub-pixel, second sub-pixel and third sub-pixel at least partially comprises a curved edge.
Provided are a display substrate and a display device. The display substrate comprises: multiple pixel units disposed on a base substrate, at least one pixel unit comprising multiple light-emitting elements stacked in a third direction, wherein the multiple light-emitting elements stacked in the third direction each comprise: a charge generation layer disposed on the base substrate, a first light-emitting layer arranged on the side of the charge generation layer close to the base substrate, and a second light-emitting layer arranged on the side of the charge generation layer away from the base substrate; and at least one testing component disposed on the base substrate and located in a testing component region, wherein the at least one testing component comprises multiple testing elements, and the multiple testing elements are arranged in an array in the testing component region along a first direction and a second direction. The multiple testing elements include first testing elements and second testing elements, the first testing elements and the first light-emitting layer contain the same material, the second testing elements and the second light-emitting layer contain the same material, and the first testing elements and the second testing elements are located in two rows.
The present disclosure belongs to the technical field of displays. Provided are a pixel circuit and a driving method therefor, and a display apparatus. The pixel circuit of the present disclosure comprises: a first transistor, a first initialization unit, a second initialization unit, a data writing unit, a threshold compensation unit, a first storage unit, a first light-emission control unit, a second light-emission control unit and a light-emitting device, wherein the data writing unit is configured to write a data signal into a first node in response to a first scan signal; the threshold compensation unit is configured to write a threshold voltage into a third node in response to a second scan signal and a first light-emission control signal; the first light-emission control unit is configured to transmit a first power source voltage to a driving transistor in response to the first light-emission control signal, so as to convert a first voltage into a driving current; and the second light-emission control unit is configured to write, into a first electrode of the light-emitting device in response to a second light-emission control signal, the driving current, which is generated by the driving transistor.
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
62.
SHIFT REGISTER UNIT, DRIVING CONTROL CIRCUIT, DISPLAY DEVICE, AND DRIVING METHOD
Provided are a shift register unit, a driving control circuit, a display device, and a driving method. The shift register unit comprises: an input circuit (10), coupled to a signal input end (IP), a first clock signal end (CK), and a first node (N1), and configured to provide a signal of the signal input end (IP) to the first node (N1) in response to a signal of the first clock signal end (CK); a first stabilizing circuit (20), configured to provide a signal of a stabilization control signal end (SC) to the first node (N1) in response to a signal of a switch control signal end (CTL); a connection control circuit (30), coupled to the first node (N1) and a second node (N2), and configured to connect the first node (N1) and the second node (N2) in response to a signal of a first reference signal end (VGL); and an output circuit (40), coupled to the second node (N2), a second clock signal end (CB), and a signal output end (OT), and configured to provide a signal of the second clock signal end (CB) to the signal output end (OT) in response to a signal of the second node (N2), causing the signal output end (OT) to output a driving signal.
G09G 3/36 - 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 by control of light from an independent source using liquid crystals
63.
DRIVING CIRCUIT, DRIVING METHOD, AND DISPLAY APPARATUS
A driving circuit, a driving method, and a display apparatus. The driving circuit comprises an inverter circuit (11), a first output node control circuit (12), a second output node control circuit (14) and an output circuit (15), wherein the inverter circuit (11) inverts the potential of a first output node (N1) in at least part of a display period, so as to obtain the potential of a first node (N2); the first output node control circuit (12) controls the potential of the first output node; the second output node control circuit (14) obtains the potential of a second output node (N4) on the basis of the potential of the first node (N2); and under the control of the potential of the first output node (N1) and the potential of the second output node (N4), the output circuit controls a driving output end to output a driving signal (O1).
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
64.
SHIFT REGISTER, GATE DRIVING CIRCUIT, ARRAY SUBSTRATE, AND DISPLAY DEVICE
A shift register, comprising a first input circuit, a second input circuit, a first output circuit, and an output control circuit. The first input circuit transmits an input signal from a signal input end to a first node under the control of a first clock signal end. The second input circuit transmits a signal from a second clock signal end to a second node under the control of the voltage of a third node. The first output circuit transmits the signal from the second clock signal end to a signal output end, and transmits a signal from a first voltage signal end to the signal output end. The output control circuit transmits a second voltage signal from a second voltage signal end to the second node or to the signal output end under the control of a control signal end.
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
G11C 19/28 - Digital stores in which the information is moved stepwise, e.g. shift registers using semiconductor elements
65.
PIXEL CIRCUIT, DISPLAY APPARATUS AND DRIVING METHOD
Provided are a pixel circuit, a display apparatus and a driving method. The pixel circuit comprises: a light-emitting device; a driving transistor (T0), which is configured to, on the basis of a data voltage signal, generate a driving current for driving the light-emitting device to emit light; a first compensation circuit (10), which is configured to, in response to a signal of a first control signal terminal (CS1), provide a first reference signal of a first reference signal terminal (VREF1) to a first electrode of the driving transistor (T0); a second compensation circuit (20), which is configured to, in response to signals of a second control signal terminal (CS2) and a third control signal terminal (CS3), provide to a gate electrode of the driving transistor (T0) a threshold voltage of the driving transistor (T0) and the first reference signal, which is inputted into the first electrode of the driving transistor (T0); a data writing circuit (30), which is configured to, in response to a signal of a fourth control signal terminal (CS4), provide a data voltage signal of a data signal terminal (DA) to a first node (N1); a coupling control circuit (40), which is configured to couple the data voltage signal of the first node (N1) to the gate electrode of the driving transistor (T0); and a light emission control circuit (50), which is configured to, in response to a signal of a light emission control signal terminal (EM), drive the light-emitting device (L) to emit light.
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
66.
Display Substrate Including Multiple Cascaded Shift Register Units, Preparation Method Thereof, and Display Device
A display substrate includes an underlay substrate, and a first semiconductor layer, first conductive layer, second semiconductor layer, second conductive layer, and third conductive layer which are arranged on the underlay substrate. The first semiconductor layer includes an active layer of at least one transistor of a second semiconductor type of a shift register unit. The first conductive layer includes a control electrode of the at least one transistor of the second semiconductor type and a first electrode of at least one capacitor of the shift register unit. The second semiconductor layer includes an active layer of at least one transistor of a first semiconductor type of the shift register unit. The second conductive layer includes a control electrode of the at least one transistor of the first semiconductor type and a second electrode of the at least one capacitor of the shift register unit.
An array substrate. The array substrate comprises a substrate and a plurality of pixel circuits provided on the substrate, the plurality of pixel circuits being arranged in a plurality of rows and columns. Each pixel circuit comprises a first light-emitting control transistor and a second light-emitting control transistor. The array substrate further comprises a first light-emitting control signal line and a second light-emitting control signal line. The first light-emitting control signal line is electrically connected to gates of the first light-emitting control transistors. The second light-emitting control signal line is electrically connected to gates of the second light-emitting control transistors. The array substrate further comprises a plurality of conductive layers. The first light-emitting control signal line and the second light-emitting control signal line are electrically insulated from each other, the first light-emitting control signal line and the second light-emitting control signal line being located on different conductive layers, and the orthographic projections of the first light-emitting control signal line and the second light-emitting control signal line on the substrate not overlapping each other.
G09G 3/3225 - 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
G09G 3/32 - 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]
Disclosed is a display substrate. The display substrate comprises a plurality of sub-pixels arranged in a plurality of rows and columns; each sub-pixel comprises a light-emitting device; and the light-emitting device comprises a first electrode, a first light-emitting unit, a charge generation laminate, a second light-emitting unit and a second electrode which are sequentially stacked. In a first direction, the colors of light emitted by the light-emitting devices in two adjacent sub-pixels are different, and the proportion of miscellaneous peaks of emission peaks in light-emitting spectra corresponding to the light emitted by the light-emitting devices in at least some of the sub-pixels is less than or equal to 5%.
A display substrate, a mask plate and an evaporation system, which relate to the technical field of displays. The display substrate comprises: a substrate, the substrate comprising a display device region, and a non-display device region adjacent to the display device region; a light-emitting device layer located in the display device region; and at least one test unit located in the non-display device region and distributed in a planar direction of the display substrate, the test unit comprising multiple measurement areas disposed at intervals in the planar direction. Each measurement area in a test unit is used to test at least one layer located on the light-emitting device layer, and the number of measurement areas in the at least one test unit is no less than the number of film layers of the light-emitting device layer.
The present disclosure provides a display panel, an evaporation mask plate and a display apparatus. The display panel comprises at least two types of sub-pixel regions, wherein each sub-pixel region is provided with a sub-pixel, and each sub-pixel region of at least one type of sub-pixel regions is provided with at least two sub-pixels; light-emitting materials of all the sub-pixels in any sub-pixel region are obtained by means of one opening provided in a mask plate; the distance between two adjacent sub-pixel regions is greater than the distance between two adjacent sub-pixels in the same sub-pixel region; two adjacent rows of sub-pixel regions arranged in a first direction comprise sub-pixel regions of different colors; and the distance between two adjacent sub-pixel areas of the same type in one of the two adjacent rows is a first distance, the size of the other type of sub-pixel regions in the other row in the first direction is a second distance, and the first distance is less than the second distance.
A display panel and a preparation method therefor, and a display device. The display panel comprises an active area and a peripheral area, which is arranged at the periphery of the active area and comprises a bending zone (410), wherein an edge of the peripheral area is provided with a protrusion (500), and the protrusion (500) has an alignment mark (400) for the bending zone (410).
A display panel. The display panel has a display side and a back side which are arranged opposite each other. The display panel comprises a display area, a bonding area, and a transition area and a bending area located between the display area and the bonding area, wherein the transition area is located between the bending area and the display area. The display panel further comprises a first substrate and a second substrate, wherein the first substrate is a rigid substrate, and at least exposes the bending area and the bonding area and covers the display area; the second substrate is arranged on the side of the first substrate that is close to the display side of the display panel, and the second substrate is a flexible substrate, and at least exposes part of the display area and covers the bending area and the bonding area; and the orthographic projection of the second substrate on a reference plane partially overlaps with the orthographic projection of the first substrate on the reference plane, the reference plane being a plane where the surface of the first substrate that is away from the second substrate is located.
G09F 9/33 - 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 being semiconductor devices, e.g. diodes
73.
HEAT DISSIPATION FILM, DISPLAY MODULE, AND DISPLAY APPARATUS
A heat dissipation film, a display module, and a display apparatus, relating to the technical field of displays. The heat dissipation film comprises a main body area and an edge area located on one side of the main body area; the heat dissipation film comprises a composite film layer, wherein the composite film layer of the main body area comprises an adhesive layer, a buffer layer, and a first metal part of a metal layer that are arranged in a stacked manner, and the composite film layer of the edge area comprises a second metal part of the metal layer; the thickness of the composite film layer of the edge area is smaller than thickness of the composite film layer of the main body area; along a normal line direction of the heat dissipation film, the adhesive layer and the buffer layer do not overlap the edge area; the metal layer further comprises a connecting part used to connect the first metal part and the second metal part; and along the normal line direction of the heat dissipation film, the first metal part, the second metal part, and the connecting part jointly cover the main body area and the edge area.
H05K 7/20 - Modifications to facilitate cooling, ventilating, or heating
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
Provided in the present application are a display panel and a display apparatus. In the present application, by means of providing a plurality of compensation wires in a second display area, which is located on at least one side of a light-transmitting display area in a second direction, on a base substrate, such that by means of coupling these compensation wires to a first pixel circuit and a second pixel circuit in the second display area, a coupling environment at the position where the compensation wires are provided in the second display area is similar to a coupling environment at the position where a conductive wire is provided in a first display area, the problem of a display difference between the first display area and the second display area is solved, the defect of uneven display of the first display area and the second display area is effectively eliminated, and the image display quality is thus improved.
A gate drive circuit (10), an array substrate, and a display device. The gate drive circuit (10) comprises a first voltage stabilizing module (11) and an output module (12) which are connected to a first node (P1); the first voltage stabilizing module (11) and the output module (12) are connected to a second node (P2); the output module (12) is used for writing, in response to a level signal of the first node (P1), a level signal provided by a second clock signal line (CKB) to a drive output end (OUT) of the output module (12), and for writing, in response to a level signal of the second node (P2), a level signal provided by a first signal line (VGL) to the drive output end (OUT); and the first voltage stabilizing module (11) comprises a series structure formed by connecting at least two transistors in series, and is used for writing a level signal of the first signal line (VGL) or second signal line (VGH) to the second node (P2) when at least two transistors are both turned on. In this way, the first voltage stabilizing module (11) having the series structure can reliably write the level signal of the first signal line (VGL) or second signal line (VGH) to the second node (P2), such that the voltage of the second node (P2) is stabilized.
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
Provided in the present disclosure are a display module and an electronic device, the display module comprising: a display panel, which comprises a display portion, a bending portion and a binding portion, which are connected in sequence, wherein the binding portion is located on the side of a non-display surface of the display portion by means of the bending of the bending portion; a flexible printed circuit (FPC), which is arranged on a binding surface of the binding portion and is electrically connected to the display panel, wherein the binding surface is the surface of the binding portion that is away from the display portion; and a printed circuit board (PCB), which is arranged on the binding surface of the binding portion, wherein the orthographic projection of the PCB is at least partially located within the binding portion, and the PCB is electrically connected to the FPC. The PCB is arranged on the binding surface of the binding portion that is away from the display portion, such that the rear portion, which is occupied by the PCB and the FPC, of the display panel can be effectively reduced.
G09F 9/33 - 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 being semiconductor devices, e.g. diodes
77.
Touch substrate, touch panel and touch display device
A touch substrate includes a first layer wiring group and a second layer wiring group that are located in a peripheral region. The first layer wiring group includes a plurality of first wirings, the second layer wiring group includes a plurality of second wirings, and a square resistance of a first wiring is greater than a square resistance of a second wiring. The peripheral region includes a first wiring region provided with at least one first-type touch lead therein and a second wiring region provided with at least one second-type touch lead therein. Each first-type touch lead includes a first wiring and a second wiring that are connected to each other and whose orthographic projections on the touch substrate are overlapped. Each second-type touch lead includes a second wiring or a first wiring. A length of the first-type touch lead is greater than a length of the second-type touch lead.
BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD. (China)
Inventor
Jiang, Faming
Zhao, Tianlong
Wang, Wentao
Gong, Weixing
Wang, Lingling
Zhou, Liang
Shi, Dawei
Abstract
The present disclosure relates to the technical field of display, and provides a display substrate and a display device. The display substrate in the present disclosure comprises a base substrate, and a first semiconductor layer and a first conductive layer which are arranged on the base substrate and stacked. The first conductive layer comprises a plurality of conductive signal lines extending in a first direction. The plurality of conductive signal lines are arranged side by side in a second direction. The conductive signal lines each have a first end portion and a second end portion, and the first end portions are electrically connected to a driving circuit. The first semiconductor layer comprises at least one first semiconductor structure extending in the second direction, and the orthographic projection of the first semiconductor structure on the base substrate overlaps the orthographic projection of a second end portion of at least one conductive signal line on the base substrate. The display substrate further comprises an electrostatic discharge assembly arranged on the base substrate, and the second end portion of the conductive signal line of which the orthographic projection on the base substrate at least overlaps the orthographic projection of the first semiconductor structure on the base substrate, is electrically connected to the electrostatic discharge assembly.
A drive circuit, a driving method, and a display apparatus. The drive circuit comprises a first node control circuit (11), a first control circuit (12), a second control circuit (13), an output node control circuit (14), a first energy storage circuit (15) and an output circuit (16), wherein the first control circuit (12) controls the connection or disconnection between a second node (N2) and a first voltage line (V1) under the control of a set control signal; the second control circuit (13) controls the connection or disconnection between the second node (N2) and a second voltage line (V2) under the control of a first clock signal (CKB) and the potential of the second node (N2); and the output node control circuit (14) controls the connection or disconnection between the second node (N2) and a first output node (N01) under the control of the first clock signal (CKB). Therefore, the output stability of a drive signal can be ensured on the premise of reducing power consumption.
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
An array substrate has a display area and a peripheral area. The array substrate includes a substrate, a first common voltage line disposed on a first side of the substrate, and a voltage signal introduction structure disposed on the first side of the substrate. The first common voltage line is located in the peripheral area and arranged along at least part of a boundary of the display area. The voltage signal introduction structure is electrically connected to at least one position except two ends of the first common voltage line, so as to input a voltage signal to the first common voltage line.
The present disclosure relates to a display panel and manufacturing method thereof, and a display device. The display panel includes a driving backplane and a pixel definition layer. A partition groove is provided between two adjacent pixel openings of the pixel definition layer and includes a first groove part and a second groove part sequentially provided in a direction away from the driving backplane, and an orthographic projection of the second groove part on the driving backplane is within that of the first groove part on the driving backplane.
The disclosure relates to a mask, a display panel, and a display device. The mask (1) is provided with a plurality of first openings (121) at intervals on the mask body (12), and is equipped with the mask bars (13) having a plurality of second openings (131) at intervals corresponding one-to-one to the plurality of first openings (121), the mask bar (13) is disposed on a side of the mask body, the second openings (131) have same position, shape and size with any one type of the graphic units, and orthographic projections on the mask body (12) of the second openings (131) corresponding to the multiple types of the graphic units are located in the first openings (121).
The present disclosure provides a display panel. The display panel includes a pixel layer, and the pixel layer includes a pixel electrode layer, an insulated metal layer, a pixel definition layer, an electroluminescence layer and a common electrode layer stacked in sequence. The pixel electrode layer includes a pixel electrode, and the insulated metal layer includes an insulated metal block corresponding to the pixel electrode; the insulated metal block and the pixel definition layer are provided with a pixel opening that exposes the corresponding pixel electrode; an insulated lateral slot that surrounds the pixel opening and opens at the pixel opening, is provided between the insulated metal block and the pixel opening; and the electroluminescence layer covers the pixel opening, and a thickness of the electroluminescence layer is equal to or greater than a thickness of the insulated metal block.
A pixel driving circuit (31) includes: a driving sub-circuit (311), a first light-emission control sub-circuit (312), a second light-emission control sub-circuit (313), a data write sub-circuit (314), a compensation sub-circuit (315) and a first reset sub-circuit (316). The driving sub-circuit (311) includes a control terminal, a first terminal and a second terminal; and in an initialization phase (t1) in one display frame of the pixel driving circuit (31), a voltage difference between the control terminal of the driving sub-circuit (311) and the first terminal of the driving sub-circuit (311) is fixed. A pulse width of the signal of the first reset signal control terminal is adjustable.
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
A touch layer includes a first conductive pattern layer, a second conductive pattern layer and an insulation layer. The first conductive pattern layer includes electrode blocks arranged in a first direction, a second touch electrode strip extending along a second direction, and connecting pattern(s). The second conductive pattern layer includes bridge group(s). Two adjacent electrode blocks and a connecting pattern located therebetween are electrically connected by a bridge group, which includes connecting bridges. The insulation layer extends between the first conductive pattern layer and the second conductive pattern layer, and is provided therein with first openings and second openings. An electrode block in the two adjacent electrode blocks is electrically connected to the connecting pattern through connecting bridge(s) in the bridge group; a connecting bridge in the connecting bridge(s) is electrically connected to the electrode block at first opening(s) and is electrically connected to the connecting pattern at second opening(s).
Display substrate and display device are provided. The display substrate includes: a base and sub-pixels thereon, the sub-pixel includes a light-emitting element and a sub-pixel driving circuit including a driving transistor and a compensation transistor; the compensation transistor has a first electrode coupled to a second electrode of the driving transistor, and a second electrode coupled to a gate electrode of the driving transistor; the compensation transistor includes a gate electrode and an active layer including a channel portion; the display substrate includes a pixel definition layer and shielding patterns, at least a portion of the shielding pattern is located between the pixel definition layer and the gate electrode of the compensation transistor, and an orthographic projection of the shielding pattern onto the base at least partially overlaps with an orthographic projection of corresponding channel portion of the compensation transistor onto the base.
H10K 59/131 - Interconnections, e.g. wiring lines or terminals
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
H10K 59/126 - Shielding, e.g. light-blocking means over the TFTs
87.
TOUCH DISPLAY SUBSTRATE AND DRIVING METHOD THEREOF, AND TOUCH DISPLAY DEVICE
A touch display substrate and a driving method therefor, and a touch display device. The touch display substrate comprises a substrate (101), and a touch lead layer (11), an anode conductive layer (12) and a cathode conductive layer (13) that are arranged on the substrate (101). On a plane perpendicular to the substrate, the anode conductive layer (12) is located between the touch lead layer (11) and the cathode conductive layer (13); the anode conductive layer (12) comprises a plurality of adapter electrodes (12-1); the touch lead layer (11) comprises a plurality of touch leads (11-1); the cathode conductive layer (13) comprises a plurality of cathodes (13-1); the plurality of cathodes (13-1) are multiplexed into a plurality of touch electrodes (13-1); the plurality of touch electrodes (13-1) are electrically connected to the plurality of touch leads (11-1) by means of the plurality of adapter electrodes (12-1); at least some of the touch leads (11-1) are located in a display region (AA) of the touch display substrate.
An array substrate, comprising: a base and a plurality of pixel driving circuit groups arranged on the base, wherein the plurality of pixel driving circuit groups are arranged in an array in a first direction and a second direction, and each of the plurality of pixel driving circuit groups comprises two pixel driving circuits arranged in the first direction. The array substrate further comprises a first conductive layer and a second conductive layer. The pixel driving circuit comprises a capacitor, which comprises a first electrode plate and a second electrode plate, wherein the first electrode plate is located on the first conductive layer, and the second electrode plate is located on the second conductive layer. A first connection pattern is connected between the second electrode plates of the two pixel driving circuits in the pixel driving circuit group, wherein the first connection pattern is located on the second conductive layer. The size of the first connection pattern in the second direction is smaller than the size of the second electrode plate in the second direction.
Provided are a display panel and a display apparatus. The display panel comprises a plurality of pixel driving circuits, wherein each pixel driving circuit comprises a second transistor and a driving transistor, a first electrode of the second transistor is connected to a gate electrode of the driving transistor, and a second electrode of the second transistor is connected to a first electrode of the driving transistor. The display panel further comprises a base substrate, an active layer, a first metal layer and a second metal layer, wherein the active layer is located on one side of the base substrate, and comprises a second active portion and a third active portion; the second active portion is used for forming a channel region of the second transistor; the third active portion is connected to the second active portion, and is used for forming a channel region of the driving transistor; the first metal layer is located between the base substrate and the active layer; the second metal layer is located on the side of the active layer that faces away from the base substrate; and an orthographic projection of the first metal layer on the base substrate covers orthographic projections of the second active portion and the third active portion on the base substrate, and an orthographic projection of the second metal layer on the base substrate at least covers the orthographic projection of the second active portion on the base substrate.
H10K 59/126 - Shielding, e.g. light-blocking means over the TFTs
G09G 3/3225 - 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
Provided in the present disclosure are a display substrate and a display device. The display substrate comprises: a base substrate, and a transistor structure and a shielding structure which are both arranged on the base substrate, wherein the shielding structure comprises a first shielding portion, at least part of the first shielding portion extending in a direction perpendicular to the base substrate, and the orthographic projection of the first shielding portion on the base substrate being located at the periphery of the orthographic projection of a channel portion of the corresponding transistor structure on the base substrate.
H10K 59/126 - Shielding, e.g. light-blocking means over the TFTs
H01L 27/12 - 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 other than a semiconductor body, e.g. an insulating body
An image display method includes: obtaining both an original image and a color rendering parameter corresponding to an image to be displayed, a bit number of color depth of the original image being smaller than a bit number of color depth of the image to be displayed; generating the image to be displayed according to the original image and the color rendering parameter; and displaying the image to be displayed.
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
An array substrate and a display apparatus are provided. The array substrate includes a plurality of pixel driving circuits. A respective pixel driving circuit of the plurality of pixel driving circuits includes a driving transistor (Td), a data write transistor, a compensating transistor, one or more reset transistors, and a storage capacitor (Cst). The array substrate further includes a light shielding layer (LSL). An orthographic projection of the light shielding layer (LSL) on a base substrate (BS) at least partially overlaps with an orthographic projection of an active layer (ACT1, ACT2, ACT3, ACT4, ACT5, ACT6, ACTd) of each of the driving transistor (Td), the data write transistor, the compensating transistor, and the one or more reset transistors on the base substrate (BS).
The present disclosure relates to an OLED device and a manufacturing method thereof, and a display panel. The OLED device includes: a substrate; an anode layer and a pixel-defining layer, provided on a side of the substrate, the pixel-defining layer including a plurality of pixel-defining structures, and adjacent pixel-defining structures defining a pixel unit; a first organic layer, covering the anode layer and the pixel-defining layer; a light-emitting layer, provided on a side of the first organic layer away from the substrate and within the pixel unit; and a cathode layer, covering the light-emitting layer and the first organic layer. The first organic layer includes at least one open groove.
The present application relates to the technical field of displays. Provided are a display apparatus and a traveling tool. The display apparatus comprises a substrate and a plurality of sub-pixels. Each sub-pixel comprises: a driving unit, which comprises a driving transistor and a storage capacitor, which are electrically connected; and a light-emitting device, which comprises a pixel opening area, wherein the orthographic projection of the pixel opening area on the substrate at least partially does not overlap with the orthographic projection of the driving transistor on the substrate, and the orthographic projection of the pixel opening area on the substrate at least partially does not overlap with the orthographic projection of the storage capacitor on the substrate. The display apparatus is configured such that after the display apparatus continuously displays a white picture at room temperature for two hours, a temperature rise of a display face of the display apparatus is less than or equal to 15°C, and a brightness value of a light source of the display apparatus is greater than or equal to 500 nits. During use of the display apparatus, the temperature rise of the display face is relatively small, and the temperature of the display apparatus is relatively low, such that the quality and reliability of the display apparatus are improved, and the service life thereof is prolonged.
The present disclosure provides a display panel and a display device. The display panel includes: a base substrate, a first active layer on a side of the base substrate, and a third conductive layer on a side of the first active layer away from the base substrate. The first active layer includes active portions spaced apart, wherein each active portion includes a sub-active portion and a via-hole connection portion connected to each other, and the sub-active portion is disposed corresponding to a transistor of two or more transistors, and configured to form a channel region of the corresponding transistor. The third conductive layer includes at least one bridge portion, wherein the at least one bridge portion is connected to via-hole connection portions in different active portions through via holes, respectively. A sheet resistance of the third conductive layer is less than a sheet resistance of the via hole connection portion.
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
H10K 59/121 - Active-matrix OLED [AMOLED] displays characterised by the geometry or disposition of pixel elements
H10K 59/131 - Interconnections, e.g. wiring lines or terminals
96.
PIXEL CIRCUIT, PIXEL DRIVING METHOD, AND DISPLAY APPARATUS
Provided in the present disclosure are a pixel circuit, a pixel driving method, and a display apparatus. The pixel circuit comprises a light-emitting element, a compensation control circuit, a data writing circuit, a driving circuit and a first energy storage circuit. Under the control of a first scanning signal, the compensation control circuit writes a reference voltage into a control end of the driving circuit. Under the control of a second scanning signal, the data writing circuit writes a data voltage into the control end of the driving circuit. The present disclosure separates a data writing path from a compensation path, so that the compensation time can be prolonged, thereby ensuring that the pixel circuit can have a good threshold voltage compensation effect, and solving the problem of abnormal display caused by insufficient threshold voltage compensation due to low mobility of oxide transistors in the prior art.
G09G 3/3208 - 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]
A display device and a pixel circuit. The pixel circuit comprises: a first storage sub-circuit (7), connected between a first node (N1) and a second node (N2); a data writing sub-circuit (1), used for charging the second node (N2); a driving sub-circuit (6), used for controlling, under the control of the first node (N1), a third node (N3) to be communicated with or disconnected from a fourth node (N4); a compensation sub-circuit (2), used for controlling, under the control of a first scanning signal end (Gate1), the first node (n1) to be communicated with or disconnected from the fourth node (N4); and a light-emitting control sub-circuit (5), used for controlling, under the control of a first light-emitting control signal end (EM1), a first power supply end (VDD) to be communicated with or disconnected from the third node (N3), and further used for controlling, under the control of a second light-emitting control signal end (EM2), the fourth node (N4) to be communicated with or disconnected from a first electrode of a sub-pixel (L0). Therefore, the display effect can be improved.
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
98.
DISPLAY APPARATUS, AND PIXEL CIRCUIT AND DRIVING METHOD THEREFOR
A display apparatus, and a pixel circuit and a driving method therefor. The pixel circuit comprises: a first storage sub-circuit (7), which is connected between a first node (N1) and a second node (N2); a driving sub-circuit (6), which is used for controlling, under the control of the first node (N1), a third node (N3) to be connected to or disconnected from a fourth node (N4); the third node (N3), which is connected to a first power source end (VDD); a light-emitting control sub-circuit (5), which is used for controlling the fourth node (N4) to be connected to or disconnected from a first electrode of a sub-pixel (L0); a second storage sub-circuit (10), which is used for storing the electric potential of the first node (N1); a data write sub-circuit (1), which is used for inputting a voltage into the second node (N2); and a compensation sub-circuit (2), which is used for controlling, under the control of a first scanning signal end (Gate1(n)), the first node (N1) to be connected to or disconnected from the third node (N3), or is used for controlling, under the control of the first scanning signal end (Gate1(n)), the first node (N1) to be connected to or disconnected from the fourth node (N4). The pixel circuit and the driving method therefor can improve the display effect of the display apparatus.
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
The present disclosure provides a display device and a display apparatus. The display device comprises: a plurality of light-emitting elements. Each light-emitting element comprises an anode layer and a cathode layer which are oppositely arranged, and at least two light-emitting units located between the anode layer and the cathode layer; each light-emitting element further comprises a light diffusion layer, the light diffusion layer being located on the side of the cathode layer facing away from the light-emitting units, and the thickness d1 of the light diffusion layer satisfying: [Equation 1]; when an application environment of the display device changes from room temperature to a first temperature, the variation of the white point x-coordinate of the display device is less than or equal to 0.002, and the variation of the white point y-coordinate of the display device is less than or equal to 0.008; and the color cast value of the display device is less than or equal to 1.4.
H10K 50/13 - OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers specially adapted for multicolour light emission, e.g. for emitting white light comprising stacked EL layers within one EL unit
100.
DISPLAY DEVICE, AND PIXEL CIRCUIT AND DRIVING METHOD THEREFOR
A display device, and a pixel circuit and a driving method therefor. The pixel circuit comprises: a first storage sub-circuit (7), connected between a first node (N1) and a second node (N2); a driving sub-circuit (6), used for controlling, under the control of the first node (N1), a third node (N3) to be connected to or disconnected from a fourth node (N4), the third node (N3) being connected to a first power supply end (VDD); a light-emitting control sub-circuit (5), used for controlling the fourth node (N4) to be connected to or disconnected from a first electrode of a sub-pixel (L0); a second storage sub-circuit (10), used for storing the potential of the first node (N1); a data writing sub-circuit (1), used for inputting a voltage to the second node (N2); and a compensation sub-circuit (2), used for controlling, under the control of a first scanning signal end (Gate1(n)), the first node (N1) to be connected to or disconnected from the third node (N3), or used for controlling, under the control of the first scanning signal end (Gate1(n)), the first node (N1) to be connected to or disconnected from the fourth node (N4). The pixel circuit and the driving method therefor can improve the display effect of the display device.
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
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