Provided are an organic electroluminescent material and a device comprising the same. The organic electroluminescent material is a metal complex comprising a ligand La having a structure of Formula 1. Applied to an electroluminescent device, these new metal complexes can reduce a full width at half maximum and capacitance of the device. The organic electroluminescent device can improve the response time and refresh rate of an OLED display device at a low grayscale and can maintain excellent device performance, thereby contributing to improving the overall performance of the device. The metal complex has a great advantage and a broad prospect in industrial application. Further provided are an organic electroluminescent device comprising the metal complex and a composition comprising the metal complex.
Provided are a mixture comprising a 5- and/or 6-membered ring fused structure, a composition, an organic electroluminescent device and an electronic device thereof. The mixture, the composition, the organic electroluminescent device and the electronic device thereof comprise at least three compounds, wherein one of the compounds comprises a fused structure formed by fusing at least four 5- and/or 6-membered rings and the fused structure is not triphenylene. The composition and the mixture can be used as host materials in organic electroluminescent devices to obtain electroluminescent devices with excellent comprehensive performance and in particular, to achieve a significant improvement in lifetime while maintaining high-level device efficiency. In particular, the mixture comprising at least three specific compounds has high evaporation stability and can be used as a single evaporation source in the preparation process of OLED devices, thereby simplifying the production process and reducing the production cost.
H10K 85/60 - Composés organiques à faible poids moléculaire
C07D 405/04 - Composés hétérocycliques contenant à la fois un ou plusieurs hétérocycles comportant des atomes d'oxygène comme uniques hétéro-atomes du cycle et un ou plusieurs hétérocycles comportant des atomes d'azote comme uniques hétéro-atomes du cycle contenant deux hétérocycles liés par une liaison directe de chaînon cyclique à chaînon cyclique
C07D 405/10 - Composés hétérocycliques contenant à la fois un ou plusieurs hétérocycles comportant des atomes d'oxygène comme uniques hétéro-atomes du cycle et un ou plusieurs hétérocycles comportant des atomes d'azote comme uniques hétéro-atomes du cycle contenant deux hétérocycles liés par une chaîne carbonée contenant des cycles aromatiques
Provided are an organic electroluminescent material and device. The organic electroluminescent material is a compound having a structure of Formula 1. The compound has bluer and more saturated luminescence. These novel compounds may be used as light-emitting materials in organic electroluminescent devices and can provide better device performance such as higher current efficiency. Further provided are an organic electroluminescent device and compound composition comprising the compound having the structure of Formula 1.
Provided are an organic electroluminescent material and device thereof. The organic electroluminescent material is a compound having a structure of Formula 1. The compound can be used as a host material, an electron transporting material or a hole blocking material in the organic electroluminescent device and can significantly improve the overall performance of the device, for example, a low drive voltage, high device efficiency and a significantly improved device lifetime. Further provided are an organic electroluminescent device including the compound of Formula 1 and a compound composition.
C07D 409/14 - Composés hétérocycliques contenant plusieurs hétérocycles, au moins un cycle comportant des atomes de soufre comme uniques hétéro-atomes du cycle contenant au moins trois hétérocycles
C07B 59/00 - Introduction d'isotopes d'éléments dans les composés organiques
Provided are an organic electroluminescent material and a device comprising the same. The organic electroluminescent material is a metal complex having a structure of Formula 1, and the structure of Formula 1 includes a ligand La having a specific substituent and a ligand Lb having a specific substituent. When applied to the electroluminescent devices, these new compounds can provide excellent device performance such as improved device efficiency, an extended device lifetime, and reduced device capacitance, and facilitate the improvement of the overall performance of the devices. Further provided are an organic electroluminescent device including the metal complex and a composition including the metal complex.
Provided is an organic electroluminescent device. The organic electroluminescent device includes an anode, a cathode and a first organic layer and a second organic layer disposed between the anode and the cathode, where the first organic layer comprises a first compound having a structure of Formula 1, and the second organic layer comprises a second compound having a structure of Formula 3. The electroluminescent device exhibits excellent device performance, for example, higher efficiency and an extremely narrow full width at half maximum. Further provided is a display assembly comprising the organic electroluminescent device.
Provided is an organic electroluminescent device. The organic electroluminescent device comprises an anode, a cathode, and a first organic layer and a second organic layer disposed between the anode and the cathode, where the first organic layer comprises a first compound represented by Formula 1, and the second organic layer comprises a second compound represented by Formula 2 or Formula 3 and a third compound represented by Formula 4. The first compound can be used as an electron blocking material in the organic electroluminescent device, and the second compound and the third compound can be used as dual host materials in the organic electroluminescent device. The electroluminescent device is capable of maintaining a low voltage or further reducing the device voltage and improving device efficiency and lifetime, thereby improving the overall performance of the device. Further provided is an electronic device including the organic electroluminescent device.
Provided is an organic electroluminescent device. The organic electroluminescent device comprises an anode, a cathode, and an organic layer disposed between the anode and the cathode, wherein the organic layer comprises a first metal complex with a ligand having a structure of Formula 1, a first compound having a structure of Formula 2 or Formula 3, and a second compound having a structure of Formula 4. The electroluminescent device exhibits good overall device performance, such as higher efficiency and a longer lifetime. Further provided are a display assembly comprising the organic electroluminescent device and a compound composition comprising a first metal complex with a ligand having a structure of Formula 1, a first compound having a structure of Formula 2 or Formula 3, and a second compound having a structure of Formula 4.
Provided is an organic electroluminescent device. The organic electroluminescent device comprises: an anode, a cathode, an emissive layer disposed between the anode and the cathode, and an electron blocking layer disposed between the anode and the emissive layer, wherein the electron blocking layer comprises an electron blocking material; the capacitance of the organic electroluminescent device satisfies the following condition: at 500 Hz, a maximum capacitance value of the organic electroluminescent device is Cmax, and ΔC=C0−Cmax≥0.4 nF; the electron blocking material has a hole mobility μh≤65×10−5 cm2/(V·s); a hole-only device of the emissive layer has a drive voltage VHOD@J10≤8.0 V at a current density of 10 mA/cm2, and an electron-only device of the emissive layer has a drive voltage VEOD@J10≤8.0 V at a current density of 10 mA/cm2. The organic electroluminescent device can greatly reduce device capacitance and further reduce a device voltage and improve device efficiency so that the device has better performance. Further provided is a display assembly comprising the organic electroluminescent device.
Provided is an organic electroluminescent device. The organic electroluminescent device comprises a cathode, an anode, and an emissive layer disposed between the cathode and the anode, wherein the emissive layer comprises at least a first host compound, a second host compound, and a first metal complex. A capacitance property of the organic electroluminescent device satisfies the following condition: at 500 Hz, a maximum capacitance value of the organic electroluminescent device is Cmax, and Cmax−Cmax0≤−0.20 nF, wherein Cmax0 denotes a maximum capacitance value of an organic electroluminescent device A at 500 Hz. The organic electroluminescent device can greatly reduce device capacitance, which is conducive to improving a response rate of the device at a low grayscale and increasing a refresh rate of the device, and further improve device efficiency. Further provided is a display assembly comprising the organic electroluminescent device.
Provided is an organic electroluminescent device. The organic electroluminescent device includes an anode, a cathode and an organic layer disposed between the anode and the cathode, where the organic layer comprises at least a light-emitting layer, where the light-emitting layer comprises a first compound having a structure of Formula 1, a first host material having a high triplet energy level and a second host material having a high triplet energy level. The electroluminescent device exhibits excellent overall device performance, for example, a low voltage, high efficiency and a long lifetime. Further provided are an electronic device comprising the organic electroluminescent device and a compound composition comprising a first compound having a structure of Formula 1, a first host material having a high triplet energy level and a second host material having a high triplet energy level.
Provided are an organic electroluminescent material and a device comprising the same. The organic electroluminescent material is a compound having a structure of Formula 1, and the compound can be used as an electron blocking material, a hole transporting material or a host material in an organic electroluminescent device. The compound enables the organic electroluminescent device to maintain a low voltage level or further reduce the voltage, have higher device efficiency and/or a longer device lifetime, and provide better overall performance of the device. Further provided are an organic electroluminescent device comprising the compound and a compound composition comprising the compound.
Provided is an organic electroluminescent device and use thereof. The organic electroluminescent device comprises a first emissive layer, the first emissive layer comprises a first compound and a first metal complex having a ligand L a having a specific structure. The maximum capacitance of the organic electroluminescent device is at least 0.35 nF lower than the maximum capacitance of an organic electroluminescent device whose first emissive layer comprises the first metal complex and GH0. The organic electroluminescent device has lower maximum capacitance, thereby improving the response time and the refresh frequency of an OLED display device at low grayscales. Further provided is a display assembly comprising the organic electroluminescent device.
Provided are an organic electroluminescent material and a device thereof. The organic electroluminescent material is a metal complex having a ligand of a structure of Formula 1 and can be used as an emissive material in an emissive layer of an organic electroluminescent device. The metal complexes having these new ligands can achieve a significant red shift of the maximum emission wavelength of the device, effectively control the emitted color of the device, achieve deeper red luminescence, significantly improve the efficiency of the device, and reduce the voltage of the device. These new metal complexes can provide better device performance. Further provided are an electroluminescent device including the metal complex and a compound composition including the metal complex.
Provided is an organic electroluminescent device and an application thereof. The organic electroluminescent device includes a metal complex having a substituent A capable of reducing a maximum capacitance in the device, and the metal complex can be used as an emissive material in an emissive layer of the electroluminescent device. The device including a metal complex having the substituent A can obtain a decrease in the maximum capacitance of the device, thereby improving the response time and refresh frequency of an OLED display device at a low grayscale. In another aspect, the substituent A can cause a decrease in the maximum capacitance of the device, and the device prepared with the metal complex including the substituent A can still maintain excellent device performance compared with the devices prepared with the metal complexes that do not include the substituent A. Further provided is an electronic assembly including the organic electroluminescent device.
Provided are an organic electroluminescent material and a device comprising the same. The organic electroluminescent material is a metal complex comprising a ligand La having a structure of Formula 1, where the ligand La has a (6-5-6)-multi-membered fused cyclic structural unit and comprises particular substituents R1 and Rn. These new compounds are applied to electroluminescent devices so that very excellent device performance can be obtained, full widths at half maximum of emission spectra can be further reduced while high performance of the devices can be maintained, the luminescence saturation of the devices can be improved and the devices can have high efficiency under a condition of being closer to a BT.2020 commercial luminescence requirement. Further provided are an organic electroluminescent device comprising the metal complex and a composition comprising the metal complex.
Provided are an organic electroluminescent device and a use thereof. The organic electroluminescent device comprises a metal complex having particular spectral characteristics (that is, satisfying requirements on D and AR), and the metal complex can better approach the commercially pursued BT.2020 luminescence. Compared with a metal complex that does not satisfy the requirements on D and AR, the metal complex is applied to the organic electroluminescent device to make the obtained organic electroluminescent device have higher device efficiency and more saturated green light emission, can better satisfy the BT.2020 luminescence requirement of the market, and can still maintain high device performance, especially device efficiency, when approaching the BT.2020 luminescence, and the metal complex basically reaches maximum efficiency of the device. The organic electroluminescent device comprising the preceding metal complex has a broad commercial application prospect and can achieve more saturated luminescence. Further provided is an electronic assembly comprising the organic electroluminescent device.
Provided is an organic electroluminescent device. The organic electroluminescent device includes an anode, a cathode, and a hole transporting region disposed between the anode and the cathode; the hole transporting region includes a first organic layer; the first organic layer contains a first p-type dopant and a second p-type dopant; the first p-type dopant is different from the second p-type dopant. The electroluminescent device containing at least two different p-type dopants in the first organic layer in the hole transporting region can maintain a high external quantum efficiency and achieve the great reduction in voltages and the significant improvement in lifetimes, thereby improving the comprehensive performance of the device. Further provided is an electronic assembly containing the organic electroluminescent device.
Provided is an organic electroluminescent device. The organic electroluminescent device includes an anode, a cathode and an organic layer disposed between the anode and the cathode, where the organic layer comprises at least a first compound, a second compound and a third compound. The first compound and the second compound can be used as host materials, and the third compound can be used as a light-emitting material. A particular combination of the first compound, the second compound and the third compound can significantly improve device efficiency, significantly improve a device lifetime and obtain more excellent device performance, which has an unexpected unique advantage. Further provided are an electronic apparatus comprising the electroluminescent device and a composition.
Provided are an organic electroluminescent material and a device thereof. The organic electroluminescent material is a metal complex having a general formula of M(La)m(Lb)n(Lc)q. The metal complex can meet luminescence requirements on different wavebands, unexpectedly have a greatly narrowed full width at half maximum, and can achieve high-saturation luminescence. Moreover, when used as a emissive material in an electroluminescent device, the metal complex can effectively control the luminescence wavelength of the device, can make the device have the advantages of a low voltage, high efficiency, and an ultra-long lifetime, and can provide better device performance. Further provided are an electroluminescent device and a compound composition.
Provided are an organic electroluminescent material and a device comprising the same. The organic electroluminescent material is a compound having a structure of Formula 1. These new compounds can be applied in organic electroluminescent devices, for example, as host materials, transport materials (e.g., electron transport materials), etc., in organic electroluminescent devices, and can provide better device performance and especially improve the device lifetime. Further provided are an organic electroluminescent device including the compound and a compound composition including the compound.
H10K 85/60 - Composés organiques à faible poids moléculaire
C07D 405/04 - Composés hétérocycliques contenant à la fois un ou plusieurs hétérocycles comportant des atomes d'oxygène comme uniques hétéro-atomes du cycle et un ou plusieurs hétérocycles comportant des atomes d'azote comme uniques hétéro-atomes du cycle contenant deux hétérocycles liés par une liaison directe de chaînon cyclique à chaînon cyclique
Provided are an organic electroluminescent material and a device thereof. The organic electroluminescent material is a compound having a structure of Formula 1. The compound may be used as a host material, an electron transporting material, or a hole blocking material in an organic electroluminescent device and can provide better device performance such as a lower voltage and higher efficiency and can especially improve a device lifetime greatly. Further provided is a compound composition comprising the structure of Formula 1.
H10K 85/60 - Composés organiques à faible poids moléculaire
C07D 403/10 - Composés hétérocycliques contenant plusieurs hétérocycles, comportant des atomes d'azote comme uniques hétéro-atomes du cycle, non prévus par le groupe contenant deux hétérocycles liés par une chaîne carbonée contenant des cycles aromatiques
Provided are an organic electroluminescent material and a device comprising the same. The organic electroluminescent material is a metal complex comprising a metal M and a ligand La having a structure of Formula 1, and the metal complex can be applied to an electroluminescent device as a light-emitting material. The metal complex is applied to the electroluminescent device so that the metal complex, while maintaining a very narrow full width at half maximum, can effectively adjust a light emission wavelength to better meet a requirement of saturated red light emission and can obtain higher device efficiency at a lower voltage, thereby providing better device performance. Further provided are an electroluminescent device comprising the metal complex and a compound composition comprising the metal complex.
Provided is a top-emission organic electroluminescent device, comprising an anode, a cathode and an emissive layer disposed between the two electrodes; the emissive doped material of the emissive layer has a λmax, the device has a maximum external quantum efficiency conversion rate E=EQEA/EQEB, and satisfies when 500 nm≤λmax≤600 nm, E≥1.625; when 600 nm<λmax≤700 nm, E≥1.850, and the bottom-emission device has an exciton recombination region whose peak position is located in the emissive layer in a region >0% and ≤65% of thickness thereof from the side close to the anode. The top-emission device exhibits more excellent device performance. Further provided are a display assembly comprising the top-emission device and use of the top-emission device in an electronic device, an electronic element module, a display device or a lighting device.
Provided is an organic electroluminescent device. The organic electroluminescent device includes an anode, a cathode, and an organic layer disposed between the anode and cathode; the organic layer includes a first organic layer and a second organic layer; the first organic layer includes a first p-type dopant; the second organic layer includes a second p-type dopant; the first p-type dopant is different from the second dopant; the first organic layer is in contact with the second organic layer, and the second organic layer is above the first organic layer. The organic electroluminescent device including specific p-type dopants and having a specific device structure can significantly improve the overall performance of the device, especially the device lifetime or the device efficiency. Further provided is an electronic assembly including the organic electroluminescent device.
H10K 50/12 - OLED ou diodes électroluminescentes polymères [PLED] caractérisées par les couches électroluminescentes [EL] comprenant des dopants
H10K 50/13 - OLED ou diodes électroluminescentes polymères [PLED] caractérisées par les couches électroluminescentes [EL] spécialement adaptées à l'émission de lumière multicolore, p. ex. à l'émission de lumière blanche comprenant des couches EL empilées dans une unité EL
Provided is an organic electroluminescent device. The organic electroluminescent device comprises an anode, a cathode, and an organic layer disposed between the anode and the cathode, wherein the organic layer comprises a first organic layer and a second organic layer; the first organic layer comprises a first organic material and a first p-type dopant; the second organic layer comprises a second organic material and a second p-type dopant; the first organic layer is in contact with the second organic layer, and the second organic layer is above the first organic layer; and the p-type dopant has a structure represented by Formula 1. The organic electroluminescent device comprising the p-type dopant of a particular structure and having a particular device structure can significantly improve the overall performance of the device and especially improve the lifetime of the device. Further provided is an electronic assembly comprising the organic electroluminescent device.
An organic light-emitting material containing cyano-substituted ligand is disclosed. The organic light-emitting material is a metal complex containing a cyano-substituted ligand, which can be used as a light-emitting material in a light-emitting layer of an organic electroluminescent device. These new complexes can provide better device performance, e.g., narrower full width at half maximum, lower voltage values, and higher quantum efficiency, and the like. An electroluminescent device and a compound formulation containing the metal complex, and a compound capable of being used to prepare the metal complex are also disclosed.
C07F 15/00 - Composés contenant des éléments des groupes 8, 9, 10 ou 18 de la classification périodique
C07D 405/10 - Composés hétérocycliques contenant à la fois un ou plusieurs hétérocycles comportant des atomes d'oxygène comme uniques hétéro-atomes du cycle et un ou plusieurs hétérocycles comportant des atomes d'azote comme uniques hétéro-atomes du cycle contenant deux hétérocycles liés par une chaîne carbonée contenant des cycles aromatiques
A wearable phototherapy display device comprises a display unit and a light source; wherein the display unit has an imaging plane, and the imaging plane is disposed directly in front of the human eye; the light source emits light having a peak wavelength between 400 nm and 1400 nm, and the light emitted by the light source is directed towards at least a part of a periocular region; the light source comprises a light-emitting surface, and the included angle between the light-emitting surface and the imaging plane is less than 30 degrees.
Provided are an organic electroluminescent device and a full-color display thereof. The organic electroluminescent device is a top-emitting device. Since an organic luminescent dopant material having a narrow full width at half maximum and a specific maximum emission wavelength is included in the organic layer, when the maximum current efficiency is reached, the color coordinates corresponding to the organic electroluminescent device satisfy: 0.165≤CIEx≤0.175, and 0.770≤CIEy≤0.800. The organic electroluminescent device enables a full-color display that includes the device to have a higher coverage of BT.2020. Further provided is a full-color display.
Provided are an organic electroluminescent material and device. The organic electroluminescent material is a series of metal complexes each comprising a ligand La having a structure of Formula 1, wherein the ligand La has an aza six-membered ring-(6-5-6)-fused ring skeleton structure, and has a fluorine substitution at a particular position of the aza six-membered ring, and has a particular Ar substitution and a fluorine or cyano substitution in the (6-5-6)-fused ring structure. The metal complexes may be used as light-emitting materials in electroluminescent devices. These novel compounds may be applied to electroluminescent devices and can improve the luminescence performance, driving voltages and efficiency (CE, PE and EQE) of the devices, exhibit more saturated luminescence and significantly improve the overall performance of the devices. Further provided are an organic electroluminescent device comprising the metal complex and a compound combination comprising the metal complex.
Provided is an organic electroluminescent device. The organic electroluminescent device comprises at least a first organic layer and a second organic layer, wherein the first organic layer has a relatively high electrical conductivity and comprises a first compound with deep LUMO and a second compound with deep HOMO and the second organic layer comprises a third compound having a high hole mobility. The compound combination can reduce an effect of an interface and provide better device performance, such as a reduced voltage and improved device efficiency. Further provided are a display apparatus comprising the organic electroluminescent device and an electronic equipment comprising the display apparatus.
Provided is an organic electroluminescent device. The organic electroluminescent device is a bottom-emitting single-layer device. The device has maximum external quantum efficiency EQEmax of more than 26%, and has a high roll-off coefficient of greater than or equal to 0.91 at high brightness of 5000 cd/m2 or 11500 cd/m2.
Provided are an organic electroluminescent material and device thereof. The organic electroluminescent material is a metal complex comprising a ligand La having a structure of Formula 1. These novel metal complexes are applied in organic electroluminescent devices, and are capable of providing better device performance such as improved device efficiency and an improved device lifetime, especially a greatly improved device lifetime, and can significantly improve the overall device performance. Further provided are an organic electroluminescent device comprising the metal complex and a compound composition comprising the metal complex.
Provided is an organic electroluminescent device. The organic electroluminescent device includes an anode, a cathode and a light-emitting layer disposed between the anode and the cathode, where the light-emitting layer at least comprises a first compound having a structure of Formula 1, Formula 2 or Formula 3, a second compound having a structure of Formula 4 and a third compound comprising a ligand having a structure of Formula 5. The new electroluminescent device has higher device efficiency, a longer device lifetime and better device performance. Further provided are an electronic apparatus and a composition.
Provided are an organic electroluminescent material and device. The organic electroluminescent material is a novel compound having an ortho-substituted dehydrogenated fused-ring structure represented by Formula 1. The compound may be used as a charge transporting material, a charge injection material, and a similar material in an organic electroluminescent device. These novel compounds have an unexpected high sublimation yield due to a structural design. Additionally, these novel compounds can provide excellent performance for organic electroluminescent devices, such as low voltage and high efficiency. Further provided are an electroluminescent device and a compound composition.
Provided is an organic electroluminescent device. The organic electroluminescent device comprises a first compound having a structure of Formula H-L-Ar and a second compound having a structure of Formula 2. The compounds may be used as host materials in the organic electroluminescent device, and this new compound combination can provide better device performance, such as higher efficiency, a longer lifetime and a low voltage. Further provided are an electronic device comprising the organic electroluminescent device and a compound combination comprising the first compound and the second compound.
Provided are an electroluminescent material and a device thereof. The electroluminescent material is a metal complex having a ligand represented by Formula 1 and can be used as light-emitting materials in electroluminescent devices. These new metal complexes can effectively regulate and control the luminescence wavelength, reduce the drive voltage of electroluminescent devices, greatly improve the current efficiency, power efficiency and EQE of electroluminescent devices, prolong the device lifetime, and provide better device performance. Further provided are an electroluminescent device and a compound composition.
C07F 15/00 - Composés contenant des éléments des groupes 8, 9, 10 ou 18 de la classification périodique
H01L 51/00 - Dispositifs à l'état solide qui utilisent des matériaux organiques comme partie active, ou qui utilisent comme partie active une combinaison de matériaux organiques et d'autres matériaux; Procédés ou appareils spécialement adaptés à la fabrication ou au traitement de tels dispositifs ou de leurs parties constitutives
C07F 13/00 - Composés contenant des éléments des groupes 7 ou 17 de la classification périodique
H01L 51/50 - Dispositifs à l'état solide qui utilisent des matériaux organiques comme partie active, ou qui utilisent comme partie active une combinaison de matériaux organiques et d'autres matériaux; Procédés ou appareils spécialement adaptés à la fabrication ou au traitement de tels dispositifs ou de leurs parties constitutives spécialement adaptés pour l'émission de lumière, p.ex. diodes émettrices de lumière organiques (OLED) ou dispositifs émetteurs de lumière à base de polymères (PLED)
38.
ORGANIC ELECTROLUMINESCENT MATERIAL AND DEVICE THEREOF
Provided are an organic electroluminescent material and device. The organic electroluminescent material is a metal complex comprising a ligand La having a structure of Formula 1. When applied to organic electroluminescent devices, these metal complexes can provide very good device performance, especially an extended device lifetime and improved device efficiency and have a huge application prospect in aspects of white and low blue light sources. Further provided are an organic electroluminescent device comprising the metal complex and a compound composition comprising the metal complex.
Provided is an organic electroluminescent device. The organic electroluminescent device is a blue delayed fluorescent device including an anode, a cathode, an emissive layer disposed between the anode and the cathode and a hole blocking layer disposed between the emissive layer and the cathode, where the hole blocking layer comprises a hole blocking material having a structure of Formula 1, and the emissive layer comprises a first host material, a second host material and a blue delayed fluorescent material having a structure of Formula 3. The blue delayed fluorescent device exhibits excellent overall device performance, such as higher efficiency and longer lifetime. Further provided are a light-emitting device comprising a blue delayed fluorescent unit, a green phosphorescent unit and a red phosphorescent unit and a display assembly comprising the blue delayed fluorescent device and the light-emitting device.
Provided is an organic electroluminescent device. The organic electroluminescent device includes an anode, a cathode and an organic layer disposed between the anode and the cathode, where the organic layer at least comprises a first compound having a structure of H-L-E and a second compound having a structure of Formula 2. The first compound and the second compound may be used as host materials in the organic electroluminescent device. The electroluminescent device can have a longer device lifetime while maintaining a high level of current efficiency or further improving the current efficiency, and can provide better device performance. Further provided are an electronic apparatus and a compound combination.
H01L 51/00 - Dispositifs à l'état solide qui utilisent des matériaux organiques comme partie active, ou qui utilisent comme partie active une combinaison de matériaux organiques et d'autres matériaux; Procédés ou appareils spécialement adaptés à la fabrication ou au traitement de tels dispositifs ou de leurs parties constitutives
Provided are an organic electroluminescent material and a device comprising the same. The organic electroluminescent material is a metal complex comprising a ligand La having a structure of Formula 1. These new compounds, when applied to an electroluminescent device, can obtain very excellent device performance, such as a reduced device voltage and improved current efficiency, power efficiency and external quantum efficiency. These new compounds can comprehensively improve the device performance in various aspects and finally significantly improves overall device performance. Further provided are an organic electroluminescent device comprising the metal complex and a composition comprising the metal complex.
Provided is a new organic electroluminescent device. This new organic electroluminescent device comprises multiple light-emitting units, a second organic layer and a specific connection layer. This new organic electroluminescent device controls LUMOfirst organic material - work functionmetal to be ≤ 2.1 eV, which can promote a separation of electrons at metal and organic interfaces, suppressing a recombination of carriers at the interfaces. HOMOsecond organic material -LUMOfirst organic material is controlled to be ≥ 0.3 V, and a hole injection is controlled through an adjustment of a doping concentration of a first organic material, which can balance a recombination of the carriers on a light-emitting layer, significantly improving efficiency and a lifetime of the device and reducing power consumption of the device. This new tandem organic electroluminescent device has more excellent device performance and broader application prospects.
Provided is a heterocyclic compound having cyano-substitution. The compound has a structure represented by Formula 1. These novel compounds are applicable to electroluminescent devices and can provide better device performance, especially improved device efficiency such as power efficiency, current efficiency and external quantum efficiency. Further provided are an organic electroluminescent device comprising the compound and a compound composition comprising the compound.
C07D 405/04 - Composés hétérocycliques contenant à la fois un ou plusieurs hétérocycles comportant des atomes d'oxygène comme uniques hétéro-atomes du cycle et un ou plusieurs hétérocycles comportant des atomes d'azote comme uniques hétéro-atomes du cycle contenant deux hétérocycles liés par une liaison directe de chaînon cyclique à chaînon cyclique
C07D 405/14 - Composés hétérocycliques contenant à la fois un ou plusieurs hétérocycles comportant des atomes d'oxygène comme uniques hétéro-atomes du cycle et un ou plusieurs hétérocycles comportant des atomes d'azote comme uniques hétéro-atomes du cycle contenant au moins trois hétérocycles
C07D 409/14 - Composés hétérocycliques contenant plusieurs hétérocycles, au moins un cycle comportant des atomes de soufre comme uniques hétéro-atomes du cycle contenant au moins trois hétérocycles
C07D 491/048 - Systèmes condensés en ortho avec un seul atome d'oxygène comme hétéro-atome du cycle contenant de l'oxygène le cycle contenant de l'oxygène étant à cinq chaînons
H10K 50/13 - OLED ou diodes électroluminescentes polymères [PLED] caractérisées par les couches électroluminescentes [EL] spécialement adaptées à l'émission de lumière multicolore, p. ex. à l'émission de lumière blanche comprenant des couches EL empilées dans une unité EL
H10K 85/60 - Composés organiques à faible poids moléculaire
Provided is an organic electroluminescent device. The organic electroluminescent device comprises an anode, a cathode and an organic layer disposed between the anode and the cathode, wherein the organic layer comprises a first organic layer, the first organic layer comprises a first compound and a second compound, the first compound has specific HOMO and/or LUMO energy levels and a structure represented by Formula 1-1, and the second compound has a specific LUMO energy level and a structure represented by Formula 2-1. Compared with the related art, the combination of the first compound and the second compound can significantly improve the performance of the organic electroluminescent device, such as the efficiency of the device. Further provided is an electronic device comprising the organic electroluminescent device.
Provided is a light-emitting material with polycyclic ligand. The light-emitting material is a metal complex with polycyclic ligand and may be used as a light-emitting material in an electroluminescent device. While maintaining a very narrow FWHM, these novel metal complexes can better adjust the light-emitting color of the device, reduce the driving voltage of the device or maintain the driving voltage at a low level, improve device efficiency, greatly increase the lifetime of the device, and provide better device performance. Further provided are an electroluminescent device and a compound composition.
Provided are an organic electroluminescent material and device. The organic electroluminescent material is a novel compound containing a dehydrobenzooxazole, dehydrobenzothiazole, dehydrobenzoselenazole, dehydrobenzimidazole structure or a similar structure. These novel compounds have properties such as a deep LUMO, strong electron acceptability, a strong charge transfer ability and low volatility. Due to unique properties, these novel compounds have the prospect for wide applications in the field of organic semiconductors, especially the potential for use as p-type conductive doping materials, charge transporting layer materials, hole injection layer materials and electrode materials of the organic semiconductors.
H01L 51/00 - Dispositifs à l'état solide qui utilisent des matériaux organiques comme partie active, ou qui utilisent comme partie active une combinaison de matériaux organiques et d'autres matériaux; Procédés ou appareils spécialement adaptés à la fabrication ou au traitement de tels dispositifs ou de leurs parties constitutives
C07D 263/56 - Benzoxazoles; Benzoxazoles hydrogénés avec uniquement des atomes d'hydrogène, des radicaux hydrocarbonés ou des radicaux hydrocarbonés substitués, liés directement en position 2
Provided is an organic electroluminescent device. The organic electroluminescent device includes an anode, a cathode and an organic layer disposed between the anode and the cathode, wherein the organic layer at least comprises a first compound having a structure of H-L-E and a second compound having a structure of Formula 2. The first compound and the second compound can be used as the host material in organic electroluminescent devices. The electroluminescent device has a long device lifetime and can provide better device performance. Further provided is a compound composition.
H01L 51/00 - Dispositifs à l'état solide qui utilisent des matériaux organiques comme partie active, ou qui utilisent comme partie active une combinaison de matériaux organiques et d'autres matériaux; Procédés ou appareils spécialement adaptés à la fabrication ou au traitement de tels dispositifs ou de leurs parties constitutives
48.
LUMINESCENT MATERIAL HAVING MULTI-SUBSTITUTED PHENYL LIGAND
Provided is a luminescent material having a multi-substituted phenyl ligand, wherein the luminescent material is a metal complex, the metal complex has a general formula of M(La)m(Lb)n(Lc)q, and the first ligand La has a structure of Formula 1. The metal complex can be used as luminescent materials in organic electroluminescent devices. This new metal complex can improve the device efficiency and provide more saturated deep red luminescence, thereby providing better device performance. Further provided are an electroluminescent device and a compound composition.
C09K 11/02 - Emploi de substances particulières comme liants, revêtements de particules ou milieux de suspension
C07F 15/00 - Composés contenant des éléments des groupes 8, 9, 10 ou 18 de la classification périodique
H01L 51/00 - Dispositifs à l'état solide qui utilisent des matériaux organiques comme partie active, ou qui utilisent comme partie active une combinaison de matériaux organiques et d'autres matériaux; Procédés ou appareils spécialement adaptés à la fabrication ou au traitement de tels dispositifs ou de leurs parties constitutives
Disclosed are organic electroluminescent material and device. The organic electroluminescent material is a metal complex with a structure of Formula 1. These novel metal complexes can be used in electroluminescent device, and show more excellent performance, for example, they can reduce the driving voltage and full width at half maximum, obtain more saturated light emission, improve the efficiency and the lifetime of the device, and finally, it can improve the comprehensive performance of the device significantly.
C07F 15/00 - Composés contenant des éléments des groupes 8, 9, 10 ou 18 de la classification périodique
H01L 51/00 - Dispositifs à l'état solide qui utilisent des matériaux organiques comme partie active, ou qui utilisent comme partie active une combinaison de matériaux organiques et d'autres matériaux; Procédés ou appareils spécialement adaptés à la fabrication ou au traitement de tels dispositifs ou de leurs parties constitutives
H01L 51/50 - Dispositifs à l'état solide qui utilisent des matériaux organiques comme partie active, ou qui utilisent comme partie active une combinaison de matériaux organiques et d'autres matériaux; Procédés ou appareils spécialement adaptés à la fabrication ou au traitement de tels dispositifs ou de leurs parties constitutives spécialement adaptés pour l'émission de lumière, p.ex. diodes émettrices de lumière organiques (OLED) ou dispositifs émetteurs de lumière à base de polymères (PLED)
50.
ORGANIC ELECTROLUMINESCENT MATERIAL AND DEVICE THEREOF
Provided are an organic electroluminescent material and a device comprising the same. The organic electroluminescent material is a metal complex comprising a ligand La having a structure of Formula 1A and a ligand Lb having a structure of Formula 1B. Such new types of compound can be applied to an electroluminescent device to improve luminescence performance, efficiency or a lifetime of the device, exhibit more saturated luminescence and significantly improve overall performance of the device. Further provided are an electroluminescent device comprising the metal complex and a compound composition comprising the metal complex.
H01L 51/00 - Dispositifs à l'état solide qui utilisent des matériaux organiques comme partie active, ou qui utilisent comme partie active une combinaison de matériaux organiques et d'autres matériaux; Procédés ou appareils spécialement adaptés à la fabrication ou au traitement de tels dispositifs ou de leurs parties constitutives
C07F 15/00 - Composés contenant des éléments des groupes 8, 9, 10 ou 18 de la classification périodique
Provided are an organic electroluminescent material and a device thereof. The organic electroluminescent material includes a metal M and at least one C{circumflex over ( )}N bidentate ligand La coordinated with the metal M, the maximum emission wavelength of the photoluminescence spectrum of the organic electroluminescent material at room temperature is greater than or equal to 410 nm and less than or equal to 700 nm, and the emission spectrum area ratio of the organic electroluminescent material is less than or equal to 0.145. The metal complex has significant advantages in organic electroluminescent devices, in particular the improvement of device efficiency. Further provided are an organic electroluminescent device including the metal complex and a compound composition including the metal complex.
C07F 15/00 - Composés contenant des éléments des groupes 8, 9, 10 ou 18 de la classification périodique
H01L 51/50 - Dispositifs à l'état solide qui utilisent des matériaux organiques comme partie active, ou qui utilisent comme partie active une combinaison de matériaux organiques et d'autres matériaux; Procédés ou appareils spécialement adaptés à la fabrication ou au traitement de tels dispositifs ou de leurs parties constitutives spécialement adaptés pour l'émission de lumière, p.ex. diodes émettrices de lumière organiques (OLED) ou dispositifs émetteurs de lumière à base de polymères (PLED)
H01L 51/00 - Dispositifs à l'état solide qui utilisent des matériaux organiques comme partie active, ou qui utilisent comme partie active une combinaison de matériaux organiques et d'autres matériaux; Procédés ou appareils spécialement adaptés à la fabrication ou au traitement de tels dispositifs ou de leurs parties constitutives
Provided is an organic electroluminescent device. The organic electroluminescent device comprises an anode, a cathode and an organic layer disposed between the anode and the cathode, wherein the organic layer comprises a first organic layer, the first organic layer contains a first organic material and a second organic material that satisfy particular energy level requirements, and the first organic layer has a conductivity greater than or equal to 3×10−5 S/m. The novel organic electroluminescent device effectively controls a hole injection ability so that the overall performance of the device is effectively improved. Further provided are an organic electroluminescent device and a first organic electroluminescent device.
H01L 51/50 - Dispositifs à l'état solide qui utilisent des matériaux organiques comme partie active, ou qui utilisent comme partie active une combinaison de matériaux organiques et d'autres matériaux; Procédés ou appareils spécialement adaptés à la fabrication ou au traitement de tels dispositifs ou de leurs parties constitutives spécialement adaptés pour l'émission de lumière, p.ex. diodes émettrices de lumière organiques (OLED) ou dispositifs émetteurs de lumière à base de polymères (PLED)
H01L 51/00 - Dispositifs à l'état solide qui utilisent des matériaux organiques comme partie active, ou qui utilisent comme partie active une combinaison de matériaux organiques et d'autres matériaux; Procédés ou appareils spécialement adaptés à la fabrication ou au traitement de tels dispositifs ou de leurs parties constitutives
53.
ORGANIC ELECTROLUMINESCENT MATERIAL AND DEVICE THEREOF
Provided are an organic electroluminescent material and a device comprising the same. The organic electroluminescent material is a metal complex comprising a ligand La having a structure of Formula 1A and a ligand Lb having a structure of Formula 1B. Such new compounds each have a lower evaporation temperature, which is conducive to industrial application of the material and can reduce energy consumption in industrialization. Such metal complexes are used as a light-emitting material in an electroluminescent device. When applied to the electroluminescent device, such metal complexes can provide very excellent device performance, especially an improved device lifetime. Further provided are an organic electroluminescent device comprising the metal complex and a compound composition comprising the metal complex.
H01L 51/00 - Dispositifs à l'état solide qui utilisent des matériaux organiques comme partie active, ou qui utilisent comme partie active une combinaison de matériaux organiques et d'autres matériaux; Procédés ou appareils spécialement adaptés à la fabrication ou au traitement de tels dispositifs ou de leurs parties constitutives
H01L 51/52 - Dispositifs à l'état solide qui utilisent des matériaux organiques comme partie active, ou qui utilisent comme partie active une combinaison de matériaux organiques et d'autres matériaux; Procédés ou appareils spécialement adaptés à la fabrication ou au traitement de tels dispositifs ou de leurs parties constitutives spécialement adaptés pour l'émission de lumière, p.ex. diodes émettrices de lumière organiques (OLED) ou dispositifs émetteurs de lumière à base de polymères (PLED) - Détails des dispositifs
Provided are a flexible OLED light-emitting module and a preparation therefor. The flexible OLED light-emitting module includes: a flexible substrate having a plurality of holes A, an OLED having a plurality of holes B, an encapsulation layer having a plurality of holes C, and an external circuit, where the holes A, B and C coincide to form through-holes penetrating the light-emitting module, and the OLED device has a common organic light-emitting layer. The new flexible OLED light-emitting module has good air permeability due to through-holes and thus can be used in various phototherapy devices so that the phototherapy devices not only have a large light-emitting area, but also have good air permeability and are suitable for long-term wearing. Further provided are a method for preparing the flexible OLED light-emitting module and a phototherapy device including the flexible OLED light-emitting module.
H01L 51/52 - Dispositifs à l'état solide qui utilisent des matériaux organiques comme partie active, ou qui utilisent comme partie active une combinaison de matériaux organiques et d'autres matériaux; Procédés ou appareils spécialement adaptés à la fabrication ou au traitement de tels dispositifs ou de leurs parties constitutives spécialement adaptés pour l'émission de lumière, p.ex. diodes émettrices de lumière organiques (OLED) ou dispositifs émetteurs de lumière à base de polymères (PLED) - Détails des dispositifs
H01L 51/00 - Dispositifs à l'état solide qui utilisent des matériaux organiques comme partie active, ou qui utilisent comme partie active une combinaison de matériaux organiques et d'autres matériaux; Procédés ou appareils spécialement adaptés à la fabrication ou au traitement de tels dispositifs ou de leurs parties constitutives
H05K 1/18 - Circuits imprimés associés structurellement à des composants électriques non imprimés
H01L 51/56 - Procédés ou appareils spécialement adaptés à la fabrication ou au traitement de tels dispositifs ou de leurs parties constitutives
Provided is an electroluminescent device. The electroluminescent device includes an anode, a cathode and an organic layer disposed between the anode and the cathode, where the organic layer includes at least a first compound having a structure of H-L-E and a second compound having a general formula of M(La)m(Lb)n(Lc)q. The novel material combination consisting of the first compound and the second compound can enable the electroluminescent device to obtain a lower voltage, higher efficiency and an ultra-long lifetime and can provide better device performance. Further provided are a display assembly and a compound combination.
C07D 223/32 - Composés hétérocycliques contenant des cycles à sept chaînons ne comportant qu'un atome d'azote comme unique hétéro-atome du cycle condensés avec des carbocycles ou avec des systèmes carbocycliques contenant des carbocycles autres que des cycles à six chaînons
H01L 51/00 - Dispositifs à l'état solide qui utilisent des matériaux organiques comme partie active, ou qui utilisent comme partie active une combinaison de matériaux organiques et d'autres matériaux; Procédés ou appareils spécialement adaptés à la fabrication ou au traitement de tels dispositifs ou de leurs parties constitutives
C07F 15/00 - Composés contenant des éléments des groupes 8, 9, 10 ou 18 de la classification périodique
The device provided herein is an organic electroluminescent device and includes a substrate; a first electrode on the substrate and with high reflectivity; a translucent or transparent second electrode over the first electrode; and a first, a second and a third organic layer included between the first and the second electrode; where the second organic layer has a thickness >80 nm and is made of a second organic material; the third organic layer is a light-emitting layer including at least one light-emitting material and at least one host material; the first organic layer has a conductivity >1×10−4 S/m and <1×10−2 S/m; an energy level difference between HOMO energy level of the second organic material and HOMO energy level of the at least one host material is <0.27 eV; and the first electrode and the second organic layer are in direct contact with the first organic layer.
H01L 51/50 - Dispositifs à l'état solide qui utilisent des matériaux organiques comme partie active, ou qui utilisent comme partie active une combinaison de matériaux organiques et d'autres matériaux; Procédés ou appareils spécialement adaptés à la fabrication ou au traitement de tels dispositifs ou de leurs parties constitutives spécialement adaptés pour l'émission de lumière, p.ex. diodes émettrices de lumière organiques (OLED) ou dispositifs émetteurs de lumière à base de polymères (PLED)
C07D 409/12 - Composés hétérocycliques contenant plusieurs hétérocycles, au moins un cycle comportant des atomes de soufre comme uniques hétéro-atomes du cycle contenant deux hétérocycles liés par une chaîne contenant des hétéro-atomes comme chaînons
C07D 401/12 - Composés hétérocycliques contenant plusieurs hétérocycles comportant des atomes d'azote comme uniques hétéro-atomes du cycle, au moins un cycle étant un cycle à six chaînons avec un unique atome d'azote contenant deux hétérocycles liés par une chaîne contenant des hétéro-atomes comme chaînons
C07D 405/12 - Composés hétérocycliques contenant à la fois un ou plusieurs hétérocycles comportant des atomes d'oxygène comme uniques hétéro-atomes du cycle et un ou plusieurs hétérocycles comportant des atomes d'azote comme uniques hétéro-atomes du cycle contenant deux hétérocycles liés par une chaîne contenant des hétéro-atomes comme chaînons
C07D 403/12 - Composés hétérocycliques contenant plusieurs hétérocycles, comportant des atomes d'azote comme uniques hétéro-atomes du cycle, non prévus par le groupe contenant deux hétérocycles liés par une chaîne contenant des hétéro-atomes comme chaînons
C07D 401/04 - Composés hétérocycliques contenant plusieurs hétérocycles comportant des atomes d'azote comme uniques hétéro-atomes du cycle, au moins un cycle étant un cycle à six chaînons avec un unique atome d'azote contenant deux hétérocycles liés par une liaison directe de chaînon cyclique à chaînon cyclique
C07D 405/04 - Composés hétérocycliques contenant à la fois un ou plusieurs hétérocycles comportant des atomes d'oxygène comme uniques hétéro-atomes du cycle et un ou plusieurs hétérocycles comportant des atomes d'azote comme uniques hétéro-atomes du cycle contenant deux hétérocycles liés par une liaison directe de chaînon cyclique à chaînon cyclique
C07D 409/04 - Composés hétérocycliques contenant plusieurs hétérocycles, au moins un cycle comportant des atomes de soufre comme uniques hétéro-atomes du cycle contenant deux hétérocycles liés par une liaison directe de chaînon cyclique à chaînon cyclique
C07D 403/14 - Composés hétérocycliques contenant plusieurs hétérocycles, comportant des atomes d'azote comme uniques hétéro-atomes du cycle, non prévus par le groupe contenant au moins trois hétérocycles
C07C 211/54 - Composés contenant des groupes amino liés à un squelette carboné ayant des groupes amino liés à des atomes de carbone de cycles aromatiques à six chaînons du squelette carboné ayant des groupes amino liés à deux ou trois cycles aromatiques à six chaînons
C07C 255/51 - Nitriles d'acides carboxyliques ayant des groupes cyano liés à des atomes de carbone de cycles aromatiques à six chaînons d'un squelette carboné à des atomes de carbone de cycles aromatiques à six chaînons non condensés contenant au moins deux groupes cyano liés au squelette carboné
H01L 51/00 - Dispositifs à l'état solide qui utilisent des matériaux organiques comme partie active, ou qui utilisent comme partie active une combinaison de matériaux organiques et d'autres matériaux; Procédés ou appareils spécialement adaptés à la fabrication ou au traitement de tels dispositifs ou de leurs parties constitutives
Provided is an electroluminescent device. The organic electroluminescent device comprises an anode, a cathode and an organic layer disposed between the anode and the cathode, where the organic layer comprises a first compound having a structure of H-L-E and a second compound comprising a ligand La having a structure of Formula C. Such a new material combination consisting of the first compound and the second compound can obtain higher efficiency in the device, significantly extend a lifetime, and provide better device performance. Further provided are a display assembly comprising the electroluminescent device and a compound combination.
H01L 51/00 - Dispositifs à l'état solide qui utilisent des matériaux organiques comme partie active, ou qui utilisent comme partie active une combinaison de matériaux organiques et d'autres matériaux; Procédés ou appareils spécialement adaptés à la fabrication ou au traitement de tels dispositifs ou de leurs parties constitutives
Provided is an electroluminescent device. The organic electroluminescent device comprises an anode, a cathode and an organic layer disposed between the anode and the cathode, where the organic layer comprises a first compound having a structure of H-L1-E and a second compound having a general formula of M(La)m(Lb)n(Lc)q, and the device has at least one maximum emission wavelength greater than 630 nm. Such a new material composition consisting of the first compound and the second compound can be used in a light-emitting layer of the electroluminescent device. The new material composition can achieve the emission of deep red light in the device, significantly reduce a drive voltage of the device while significantly improving device efficiency and/or a device lifetime, and provide better device performance. Further provided is a display assembly.
H01L 51/00 - Dispositifs à l'état solide qui utilisent des matériaux organiques comme partie active, ou qui utilisent comme partie active une combinaison de matériaux organiques et d'autres matériaux; Procédés ou appareils spécialement adaptés à la fabrication ou au traitement de tels dispositifs ou de leurs parties constitutives
C07F 15/00 - Composés contenant des éléments des groupes 8, 9, 10 ou 18 de la classification périodique
Provided are an organic electroluminescent material and a device thereof. The organic electroluminescent material is a metal complex comprising a ligand La having a structure of Formula 1. The metal complex may be used as a light-emitting material in an electroluminescent device. These novel compounds may be applied to electroluminescent devices and can exhibit better performance, achieve higher device efficiency, and significantly improve the overall performance of the devices. Further provided are an electroluminescent device comprising the metal complex and a compound combination comprising the metal complex.
H01L 51/00 - Dispositifs à l'état solide qui utilisent des matériaux organiques comme partie active, ou qui utilisent comme partie active une combinaison de matériaux organiques et d'autres matériaux; Procédés ou appareils spécialement adaptés à la fabrication ou au traitement de tels dispositifs ou de leurs parties constitutives
C07F 15/00 - Composés contenant des éléments des groupes 8, 9, 10 ou 18 de la classification périodique
Provided is a light-emitting material having a polycyclic ligand. The light-emitting material is a novel metal complex comprising a polycyclic ligand having a structure of Formula 1 and may be used as light-emitting material in an electroluminescent device. These novel metal complexes can greatly red-shift the maximum emission wavelengths of electroluminescent devices and significantly adjust emitting colors of the devices and have very narrow emission spectra and can greatly improve the luminescence saturation of the devices and provide better device performance. Further provided are an electroluminescent device and a compound combination.
C07F 15/00 - Composés contenant des éléments des groupes 8, 9, 10 ou 18 de la classification périodique
H01L 51/00 - Dispositifs à l'état solide qui utilisent des matériaux organiques comme partie active, ou qui utilisent comme partie active une combinaison de matériaux organiques et d'autres matériaux; Procédés ou appareils spécialement adaptés à la fabrication ou au traitement de tels dispositifs ou de leurs parties constitutives
61.
ORGANIC ELECTROLUMINESCENT MATERIAL AND DEVICE THEREOF
Provided are an organic electroluminescent material and a device thereof. The organic electroluminescent material is a metal complex comprising a ligand La having a structure of Formula 1. The metal complex may be used as a light-emitting material in an electroluminescent device. These new compounds may be applied to electroluminescent devices and can exhibit better performance, achieve higher device efficiency, and significantly improve the overall performance of the devices. Further provided are an electroluminescent device comprising the metal complex and a compound combination comprising the metal complex.
H01L 51/00 - Dispositifs à l'état solide qui utilisent des matériaux organiques comme partie active, ou qui utilisent comme partie active une combinaison de matériaux organiques et d'autres matériaux; Procédés ou appareils spécialement adaptés à la fabrication ou au traitement de tels dispositifs ou de leurs parties constitutives
C07F 15/00 - Composés contenant des éléments des groupes 8, 9, 10 ou 18 de la classification périodique
Provided are an organic electroluminescent material and a device thereof. The organic electroluminescent material is a metal complex including a ligand La having a structure of Formula 1, and the metal complex can be used as luminescent materials in electroluminescent devices. These new compounds, when used in electroluminescent devices, can show better performance, provide lower device voltage and higher device efficiency, and significantly improve the comprehensive performance of devices. Further provided are an electroluminescent device including the metal complex and a compound composition including the metal complex.
C07F 15/00 - Composés contenant des éléments des groupes 8, 9, 10 ou 18 de la classification périodique
H01L 51/00 - Dispositifs à l'état solide qui utilisent des matériaux organiques comme partie active, ou qui utilisent comme partie active une combinaison de matériaux organiques et d'autres matériaux; Procédés ou appareils spécialement adaptés à la fabrication ou au traitement de tels dispositifs ou de leurs parties constitutives
Provided is a luminescent material having a polycyclic ligand. The luminescent material is a new metal complex having a polycyclic ligand and may be used as luminescent materials in electroluminescent devices. These new metal complexes achieve red light emission, have a very narrow full width at half maximum, and can achieve high saturation luminescence. In addition, these new metal complexes, when used as luminescent materials in electroluminescent devices, can achieve red light emission, have a very narrow full width at half maximum, achieve high saturation luminescence, reduce or maintain a low voltage, greatly improve device efficiency and lifetime, and provide better device performance. Further provided are an electroluminescent device and a compound composition.
C07F 15/00 - Composés contenant des éléments des groupes 8, 9, 10 ou 18 de la classification périodique
H01L 51/00 - Dispositifs à l'état solide qui utilisent des matériaux organiques comme partie active, ou qui utilisent comme partie active une combinaison de matériaux organiques et d'autres matériaux; Procédés ou appareils spécialement adaptés à la fabrication ou au traitement de tels dispositifs ou de leurs parties constitutives
Disclosed is an organic electroluminescent device. The organic electroluminescent device comprises an anode, a cathode and a first organic layer disposed between the anode and the cathode, wherein the first organic layer contains a first compound having a structure of Formula 1 and a second compound having a structure of Formula 2. Such a novel material combination composed of the first compound and the second compound may be used in a hole injection layer in the organic electroluminescent device and can endow the organic electroluminescent device with excellent characteristics of low voltage, high efficiency and a long lifetime and provide better device performance. Further disclosed are a display assembly and a compound combination.
H01L 51/00 - Dispositifs à l'état solide qui utilisent des matériaux organiques comme partie active, ou qui utilisent comme partie active une combinaison de matériaux organiques et d'autres matériaux; Procédés ou appareils spécialement adaptés à la fabrication ou au traitement de tels dispositifs ou de leurs parties constitutives
C07C 211/61 - Composés contenant des groupes amino liés à un squelette carboné ayant des groupes amino liés à des atomes de carbone de cycles aromatiques à six chaînons du squelette carboné ayant des groupes amino liés à des atomes de carbone de cycles aromatiques à six chaînons faisant partie de systèmes cycliques condensés du squelette carboné avec au moins un des systèmes cycliques condensés formé par trois cycles ou plus
Provided is a stacked organic electroluminescence device. At least one light-emitting unit of the stacked organic electroluminescent device includes an organic layer including a specific combination of a P-type material with a deep LUMO energy level and a hole transporting material with a deep HOMO energy level. Meanwhile, a P-type material is used as the buffer layer of the charge generation layer between the light-emitting units. The device can offer better device performance and more simplified fabrication process. Further provided is a display assembly including the device.
H01L 51/50 - Dispositifs à l'état solide qui utilisent des matériaux organiques comme partie active, ou qui utilisent comme partie active une combinaison de matériaux organiques et d'autres matériaux; Procédés ou appareils spécialement adaptés à la fabrication ou au traitement de tels dispositifs ou de leurs parties constitutives spécialement adaptés pour l'émission de lumière, p.ex. diodes émettrices de lumière organiques (OLED) ou dispositifs émetteurs de lumière à base de polymères (PLED)
H01L 51/00 - Dispositifs à l'état solide qui utilisent des matériaux organiques comme partie active, ou qui utilisent comme partie active une combinaison de matériaux organiques et d'autres matériaux; Procédés ou appareils spécialement adaptés à la fabrication ou au traitement de tels dispositifs ou de leurs parties constitutives
Provided is an electroluminescent device. The organic electroluminescent device comprises a first metal complex comprising a ligand La having a structure of Formula 1, a first compound having a structure of Formula 2 and a second compound having a structure of Formula 3. Compared to the related art, such a compound composition can significantly improve the performance of the organic electroluminescent device, especially significantly extend a device lifetime, and finally significantly improve the overall performance of the device. Further provided are an electronic device comprising the electroluminescent device and a compound composition comprising the first metal complex, the first compound and the second compound.
H01L 51/00 - Dispositifs à l'état solide qui utilisent des matériaux organiques comme partie active, ou qui utilisent comme partie active une combinaison de matériaux organiques et d'autres matériaux; Procédés ou appareils spécialement adaptés à la fabrication ou au traitement de tels dispositifs ou de leurs parties constitutives
C07D 209/86 - Carbazoles; Carbazoles hydrogénés avec uniquement des atomes d'hydrogène, des radicaux hydrocarbonés ou des radicaux hydrocarbonés substitués, liés directement aux atomes de carbone du système cyclique
C07D 405/14 - Composés hétérocycliques contenant à la fois un ou plusieurs hétérocycles comportant des atomes d'oxygène comme uniques hétéro-atomes du cycle et un ou plusieurs hétérocycles comportant des atomes d'azote comme uniques hétéro-atomes du cycle contenant au moins trois hétérocycles
C07F 15/00 - Composés contenant des éléments des groupes 8, 9, 10 ou 18 de la classification périodique
Disclosed are an electroluminescent material and device. The compound is a compound formed by connecting an indole- and pyrrole-fused azamacrocycle to triazine or a similar structure thereof at a specific position and is used as the host material of the electroluminescent device. These novel compounds have significantly reduced evaporation temperature and better thermal stability, can effectively reduce energy consumption, which more facilitates the device manufacturing process, and in addition, can also effectively improve device efficiency and reduce device drive voltage, which can provide better device performance. Further disclosed are an electroluminescent device, a compound formulation, and a display assembly.
C07D 223/32 - Composés hétérocycliques contenant des cycles à sept chaînons ne comportant qu'un atome d'azote comme unique hétéro-atome du cycle condensés avec des carbocycles ou avec des systèmes carbocycliques contenant des carbocycles autres que des cycles à six chaînons
H01L 51/00 - Dispositifs à l'état solide qui utilisent des matériaux organiques comme partie active, ou qui utilisent comme partie active une combinaison de matériaux organiques et d'autres matériaux; Procédés ou appareils spécialement adaptés à la fabrication ou au traitement de tels dispositifs ou de leurs parties constitutives
Provided is an electroluminescent device. The electroluminescent device includes an anode, a cathode, and an organic layer disposed between the anode and the cathode, wherein the organic layer at least comprises a first compound having a structure of H1-L1-Ar1 and a second compound having a structure of H2-L2-Ar2. These new compound combinations can be used as host materials in electroluminescent devices. These new compound combinations can greatly improve the lifetime of the device and provide the device with better performance. Further provided is a display assembly including the electroluminescent device.
C07D 487/22 - Composés hétérocycliques contenant des atomes d'azote comme uniques hétéro-atomes dans le système condensé, non prévus par les groupes dans lesquels le système condensé contient au moins quatre hétérocycles
C07D 495/22 - Composés hétérocycliques contenant dans le système condensé au moins un hétérocycle comportant des atomes de soufre comme uniques hétéro-atomes du cycle dans lesquels le système condensé contient au moins quatre hétérocycles
C07D 491/22 - Composés hétérocycliques contenant dans le système cyclique condensé, à la fois un ou plusieurs cycles comportant des atomes d'oxygène comme uniques hétéro-atomes du cycle, et un ou plusieurs cycles comportant des atomes d'azote comme uniques hétéro- dans lesquels le système condensé contient au moins quatre hétérocycles
C07D 471/22 - Composés hétérocycliques contenant des atomes d'azote comme uniques hétéro-atomes du système condensé, au moins un cycle étant un cycle à six chaînons avec un atome d'azote, non prévus dans les groupes dans lesquels le système condensé contient au moins quatre hétérocycles
C07D 209/94 - Systèmes cycliques contenant au moins trois cycles condensés en [b, c] ou [b, d] contenant des carbocycles autres que des cycles à six chaînons
H01L 51/00 - Dispositifs à l'état solide qui utilisent des matériaux organiques comme partie active, ou qui utilisent comme partie active une combinaison de matériaux organiques et d'autres matériaux; Procédés ou appareils spécialement adaptés à la fabrication ou au traitement de tels dispositifs ou de leurs parties constitutives
69.
ORGANIC ELECTROLUMINESCENT MATERIAL AND DEVICE THEREOF
Provided are an organic electroluminescent material and device thereof. The organic electroluminescent material is a metal complex including a ligand La having a structure of Formula 1, and the metal complex can be used as a luminescent material in an electroluminescent device. These new compounds, when used in electroluminescent devices, can show better performance, provide more saturated luminescence, higher luminous efficiency and narrower full width at half maximum, and significantly improve the comprehensive performance of devices. Further provided are an electroluminescent device including the metal complex and a compound combination including the metal complex.
C07F 15/00 - Composés contenant des éléments des groupes 8, 9, 10 ou 18 de la classification périodique
H01L 51/00 - Dispositifs à l'état solide qui utilisent des matériaux organiques comme partie active, ou qui utilisent comme partie active une combinaison de matériaux organiques et d'autres matériaux; Procédés ou appareils spécialement adaptés à la fabrication ou au traitement de tels dispositifs ou de leurs parties constitutives
The application relates to the field of OLED lighting, and provides a high-yield low-cost large-area flexible OLED lighting module, a manufacturing method thereof and an OLED lighting luminaire.
F21K 9/20 - Sources lumineuses comprenant un moyen de fixation
F21V 19/00 - Montage des sources lumineuses ou des supports de sources lumineuses sur ou dans les dispositifs d'éclairage
H01L 25/04 - Ensembles consistant en une pluralité de dispositifs à semi-conducteurs ou d'autres dispositifs à l'état solide les dispositifs étant tous d'un type prévu dans le même sous-groupe des groupes , ou dans une seule sous-classe de , , p.ex. ensembles de diodes redresseuses les dispositifs n'ayant pas de conteneurs séparés
H01L 51/52 - Dispositifs à l'état solide qui utilisent des matériaux organiques comme partie active, ou qui utilisent comme partie active une combinaison de matériaux organiques et d'autres matériaux; Procédés ou appareils spécialement adaptés à la fabrication ou au traitement de tels dispositifs ou de leurs parties constitutives spécialement adaptés pour l'émission de lumière, p.ex. diodes émettrices de lumière organiques (OLED) ou dispositifs émetteurs de lumière à base de polymères (PLED) - Détails des dispositifs
H01L 51/56 - Procédés ou appareils spécialement adaptés à la fabrication ou au traitement de tels dispositifs ou de leurs parties constitutives
F21Y 113/10 - Combinaison de sources lumineuses de couleurs différentes
Provided is an organic electroluminescent device. The organic electroluminescent device comprises a first compound having a structure of Formula 1 and a second compound having a structure of Formula 2. Compared to the related art or a device comprising only the first compound or the second compound, a combination of the first compound and the second compound can significantly improve the overall performance of the organic electroluminescent device, such as improved device efficiency, an extended device lifetime and reduced device voltage. Further provided are a display assembly comprising the organic electroluminescent device and a compound composition comprising the first compound and the second compound.
H01L 51/00 - Dispositifs à l'état solide qui utilisent des matériaux organiques comme partie active, ou qui utilisent comme partie active une combinaison de matériaux organiques et d'autres matériaux; Procédés ou appareils spécialement adaptés à la fabrication ou au traitement de tels dispositifs ou de leurs parties constitutives
Provided is an electroluminescent device. The electroluminescent device includes an anode, a cathode, and an organic layer disposed between the anode and the cathode, wherein the organic layer includes a first metal complex of a ligand having a structure represented by Formula 1 and a first compound having a structure represented by Formula 2. The novel material combination comprising the first metal complex and the first compound can be used in an emissive layer in an electroluminescent device. The novel material combination can enable the novel electroluminescent device to obtain a darker red color, a lower voltage, higher efficiency, and a longer lifetime and can provide better device performance. Further provided are an electronic device and a compound combination.
H01L 51/00 - Dispositifs à l'état solide qui utilisent des matériaux organiques comme partie active, ou qui utilisent comme partie active une combinaison de matériaux organiques et d'autres matériaux; Procédés ou appareils spécialement adaptés à la fabrication ou au traitement de tels dispositifs ou de leurs parties constitutives
C07F 15/00 - Composés contenant des éléments des groupes 8, 9, 10 ou 18 de la classification périodique
Provided are an organic electroluminescent material and device. The organic electroluminescent material is a compound having a structure of Formula 1. Those novel compounds are applicable to electroluminescent devices and can provide better device performance, such as an increase in device lifetime. Further provided are an electroluminescent device containing the compound and a compound composition containing the compound.
C07D 493/00 - Composés hétérocycliques contenant des atomes d'oxygène comme uniques hétéro-atomes dans le système condensé
H01L 51/00 - Dispositifs à l'état solide qui utilisent des matériaux organiques comme partie active, ou qui utilisent comme partie active une combinaison de matériaux organiques et d'autres matériaux; Procédés ou appareils spécialement adaptés à la fabrication ou au traitement de tels dispositifs ou de leurs parties constitutives
C07D 495/00 - Composés hétérocycliques contenant dans le système condensé au moins un hétérocycle comportant des atomes de soufre comme uniques hétéro-atomes du cycle
C07F 7/08 - Composés comportant une ou plusieurs liaisons C—Si
Provided are an organic electroluminescent material and device. The organic electroluminescent material is a compound having a structure of Formula 1. Those novel compounds are applicable to electroluminescent devices and can provide better device performance, such as an increased device lifetime. Further provided are an organic electroluminescent device containing the compound and a compound composition containing the compound.
C07D 493/00 - Composés hétérocycliques contenant des atomes d'oxygène comme uniques hétéro-atomes dans le système condensé
H01L 51/00 - Dispositifs à l'état solide qui utilisent des matériaux organiques comme partie active, ou qui utilisent comme partie active une combinaison de matériaux organiques et d'autres matériaux; Procédés ou appareils spécialement adaptés à la fabrication ou au traitement de tels dispositifs ou de leurs parties constitutives
Provided is an organic electroluminescent device. The organic electroluminescent device has a first metal complex containing a ligand with a structure of Formula 1 and a first compound with a structure of Formula 2. Compared with the related art, a combination of such two compounds can significantly improve performance of the organic electroluminescent device, such as external quantum efficiency, power efficiency and current efficiency of the device. Further provided are an electronic apparatus including the organic electroluminescent device and a compound composition containing the first metal complex and the first compound.
H01L 51/00 - Dispositifs à l'état solide qui utilisent des matériaux organiques comme partie active, ou qui utilisent comme partie active une combinaison de matériaux organiques et d'autres matériaux; Procédés ou appareils spécialement adaptés à la fabrication ou au traitement de tels dispositifs ou de leurs parties constitutives
Provided are an electroluminescent material and a device thereof. The electroluminescent material is an organic compound formed by connecting an indole- and pyrrole-fused azamacrocycle with dibenzofuran and similar structures thereof and can be used as the host material in electroluminescent devices. These new compounds can greatly improve the device lifetime and provide great device performance. Further provided are an electroluminescent device, a compound combination, and a display assembly.
C07F 15/00 - Composés contenant des éléments des groupes 8, 9, 10 ou 18 de la classification périodique
H01L 51/00 - Dispositifs à l'état solide qui utilisent des matériaux organiques comme partie active, ou qui utilisent comme partie active une combinaison de matériaux organiques et d'autres matériaux; Procédés ou appareils spécialement adaptés à la fabrication ou au traitement de tels dispositifs ou de leurs parties constitutives
77.
PHOSPHORESCENT ORGANOMETALLIC COMPLEX AND DEVICE THEREOF
Provided are a phosphorescent organometallic complex and a device thereof. The organometallic complex contains a ligand La having a structure of Formula 1 and a ligand Lb having a structure of Formula 2. Such metal complexes can be used as light-emitting materials in electroluminescent devices. These novel compounds in organic electroluminescent devices can effectively improve efficiency, reduce device voltage, and provide better device performance. Further provided are an organic electroluminescent device containing the metal complex and a compound composition containing the metal complex.
H01L 51/00 - Dispositifs à l'état solide qui utilisent des matériaux organiques comme partie active, ou qui utilisent comme partie active une combinaison de matériaux organiques et d'autres matériaux; Procédés ou appareils spécialement adaptés à la fabrication ou au traitement de tels dispositifs ou de leurs parties constitutives
78.
ORGANIC ELECTROLUMINESCENT MATERIAL AND DEVICE THEREOF
Provided are an organic electroluminescent material and a device thereof. The organic electroluminescent material is a metal complex containing a ligand La having a structure of Formula 1A and a ligand Lb, having a structure of Formula 1B. Such metal complexes are applicable to electroluminescent devices and can obtain a higher sublimation yield during sublimation and have a lower evaporation temperature and can provide better device performance such as an increased device lifetime and a narrower full width at half maximum. Further provided are an electroluminescent device containing the metal complex and a compound composition containing the metal complex.
C07F 15/00 - Composés contenant des éléments des groupes 8, 9, 10 ou 18 de la classification périodique
H01L 51/00 - Dispositifs à l'état solide qui utilisent des matériaux organiques comme partie active, ou qui utilisent comme partie active une combinaison de matériaux organiques et d'autres matériaux; Procédés ou appareils spécialement adaptés à la fabrication ou au traitement de tels dispositifs ou de leurs parties constitutives
C07D 519/00 - Composés hétérocycliques contenant plusieurs systèmes de plusieurs hétérocycles déterminants condensés entre eux ou condensés avec un système carbocyclique commun non prévus dans les groupes ou
79.
ORGANIC ELECTROLUMINESCENT MATERIAL AND DEVICE THEREOF
Provided are an organic electroluminescent material and a device thereof. The organic electroluminescent material is a metal complex containing a ligand La having a structure of Formula 1. Such new compounds with a fluorine substituent introduced at a particular position of the ligand La are applicable to electroluminescent devices and can provide more saturated luminescence and better device performance such as improved device efficiency and reduced device voltage. Further provided are an electroluminescent device containing the metal complex and a compound composition containing the metal complex.
H01L 51/00 - Dispositifs à l'état solide qui utilisent des matériaux organiques comme partie active, ou qui utilisent comme partie active une combinaison de matériaux organiques et d'autres matériaux; Procédés ou appareils spécialement adaptés à la fabrication ou au traitement de tels dispositifs ou de leurs parties constitutives
C07F 15/00 - Composés contenant des éléments des groupes 8, 9, 10 ou 18 de la classification périodique
Disclosed are a novel organic electroluminescent material and a device thereof. The organic electroluminescent material is a novel compound having the structure in Formula 1. The organic electroluminescent material has LUMO energy levels of different depths, can be used as a single hole injection material, and is also an excellent p-type dopant material, which is of great significance for the development of new high-performance hole injection materials. Also disclosed are an organic electroluminescent device comprising the novel compound and a compound composition comprising the novel compound.
H01L 51/00 - Dispositifs à l'état solide qui utilisent des matériaux organiques comme partie active, ou qui utilisent comme partie active une combinaison de matériaux organiques et d'autres matériaux; Procédés ou appareils spécialement adaptés à la fabrication ou au traitement de tels dispositifs ou de leurs parties constitutives
C07D 413/14 - Composés hétérocycliques contenant plusieurs hétérocycles, au moins un cycle comportant des atomes d'azote et d'oxygène comme uniques hétéro-atomes du cycle contenant au moins trois hétérocycles
n and can more effectively fine-tune a light-emitting color and adjust an emission peak width, thereby narrowing a full width at half maximum, making the light-emitting color more saturated, and improving device efficiency, current efficiency, and external quantum efficiency.
Provided is a light-emitting material with polycyclic ligand. The light-emitting material is a metal complex with polycyclic ligand and may be used as a light-emitting material in an electroluminescent device. While maintaining a very narrow FWHM, these novel metal complexes can better adjust the light-emitting color of the device, reduce the driving voltage of the device or maintain the driving voltage at a low level, improve device efficiency, greatly increase the lifetime of the device, and provide better device performance. Further provided are an electroluminescent device and a compound composition.
H01L 51/00 - Dispositifs à l'état solide qui utilisent des matériaux organiques comme partie active, ou qui utilisent comme partie active une combinaison de matériaux organiques et d'autres matériaux; Procédés ou appareils spécialement adaptés à la fabrication ou au traitement de tels dispositifs ou de leurs parties constitutives
C07F 15/00 - Composés contenant des éléments des groupes 8, 9, 10 ou 18 de la classification périodique
Provided is an organic electroluminescent device. The electroluminescent device includes an anode, a cathode and an organic layer disposed between the anode and the cathode, where the organic layer includes a first compound having a structure of H1-L1-E1 and a second compound having a structure of H2-L2-E2. The electroluminescent device containing a novel material combination has a low driving voltage, high device efficiency and a significantly improved device lifetime, which greatly improves the overall performance of the device. Further provided are an electronic equipment including the preceding electroluminescent device and use of the electroluminescent device in an electronic element module, a display apparatus or a lighting apparatus.
H01L 51/00 - Dispositifs à l'état solide qui utilisent des matériaux organiques comme partie active, ou qui utilisent comme partie active une combinaison de matériaux organiques et d'autres matériaux; Procédés ou appareils spécialement adaptés à la fabrication ou au traitement de tels dispositifs ou de leurs parties constitutives
Disclosed are a novel organic electroluminescent material and a device thereof. Such a novel organic electroluminescent material has a structure of Formula 1, and when applied to the organic electroluminescent device, can improve the balance of electrons and holes in the organic electroluminescent device and thus bring excellent device effects such as the improvement of external quantum efficiency, current efficiency, and service life. The novel organic electroluminescent material can be used to prepare organic semiconductor devices and is suitable for different types of organic semiconductor devices, including but not limited to fluorescent OLEDs, phosphorescent OLEDs, white OLEDs, laminated OLEDs, OTFTs, OPVs, etc. Further disclosed are an electroluminescent device comprising the organic electroluminescent material and a compound formulation comprising the organic electroluminescent material.
H01L 51/00 - Dispositifs à l'état solide qui utilisent des matériaux organiques comme partie active, ou qui utilisent comme partie active une combinaison de matériaux organiques et d'autres matériaux; Procédés ou appareils spécialement adaptés à la fabrication ou au traitement de tels dispositifs ou de leurs parties constitutives
C07D 263/32 - Composés hétérocycliques contenant des cycles oxazole-1, 3 ou oxazole-1, 3 hydrogéné non condensés avec d'autres cycles comportant deux ou trois liaisons doubles entre chaînons cycliques ou entre chaînons cycliques et chaînons non cycliques avec uniquement des atomes d'hydrogène, des radicaux hydrocarbonés ou des radicaux hydrocarbonés substitués, liés directement aux atomes de carbone du cycle
C07D 413/14 - Composés hétérocycliques contenant plusieurs hétérocycles, au moins un cycle comportant des atomes d'azote et d'oxygène comme uniques hétéro-atomes du cycle contenant au moins trois hétérocycles
85.
Phosphorescent organic metal complex and use thereof
Provided are a phosphorescent organometallic complex and a use thereof. The metal complex has a ligand with a structure represented by Formula 1 and may be used as a light-emitting material in an electroluminescent device. These novel metal complexes can not only maintain low voltage and improve device efficiency in electroluminescent devices but also greatly reduce the half-peak width of light emitted by these devices so as to greatly improve color saturation of the light emitted by these devices, thereby providing better device performance. Further provided are an electroluminescent device and a compound formulation.
Provided are a phosphorescent organometallic complex and a use thereof. The metal complex has a ligand with a structure represented by Formula 1 and may be used as a light-emitting material in an electroluminescent device. These novel metal complexes can not only maintain high device efficiency and low voltage in electroluminescent devices but also allow these devices to have narrower half-peak width so as to greatly improve color saturation of light emitted by these devices, thereby providing better device performance. Further provided are an electroluminescent device and a compound formulation.
C07F 15/00 - Composés contenant des éléments des groupes 8, 9, 10 ou 18 de la classification périodique
H01L 51/00 - Dispositifs à l'état solide qui utilisent des matériaux organiques comme partie active, ou qui utilisent comme partie active une combinaison de matériaux organiques et d'autres matériaux; Procédés ou appareils spécialement adaptés à la fabrication ou au traitement de tels dispositifs ou de leurs parties constitutives
Provided is an organic light-emitting material. The organic light-emitting material is a metal complex having a ligand with a structure of Formula 1 or Formula 1′. The metal complex can be used as a light-emitting material in an electroluminescent device. These novel metal complexes can effectively adjust a light-emitting color to deep red, can improve external quantum efficiency of devices while maintaining a relatively narrow FWHM, and can provide better device performance. Further provided are an electroluminescent device and a compound formulation.
C07F 15/00 - Composés contenant des éléments des groupes 8, 9, 10 ou 18 de la classification périodique
H01L 51/00 - Dispositifs à l'état solide qui utilisent des matériaux organiques comme partie active, ou qui utilisent comme partie active une combinaison de matériaux organiques et d'autres matériaux; Procédés ou appareils spécialement adaptés à la fabrication ou au traitement de tels dispositifs ou de leurs parties constitutives
Provided are an electroluminescent material and device. The electroluminescent material is a compound having an indole- and pyrrole-fused azamacrocycle structure segment which is connected to quinazoline having a substitution on a specific ring, quinoxaline having a substitution on a specific ring, or a similar structure thereof, and can be used as the host material in the electroluminescent device. These novel compounds can obtain a lower driving voltage, effectively improve device efficiency, greatly prolong device lifetime, and provide better device performance. Further provided are an electroluminescent device and a compound formulation.
H01L 51/00 - Dispositifs à l'état solide qui utilisent des matériaux organiques comme partie active, ou qui utilisent comme partie active une combinaison de matériaux organiques et d'autres matériaux; Procédés ou appareils spécialement adaptés à la fabrication ou au traitement de tels dispositifs ou de leurs parties constitutives
Organic electroluminescent materials and devices are disclosed. The organic electroluminescent materials are novel dehydrobenzodiimidazole or dehydrobenzodipyrrole or its analogous structure compounds, which can be used as charge transporting materials or charge injection materials or the like in an electroluminescent device. These novel compounds have deep LUMO energy level, and have better potential and excellent application prospecty in the field of charge-transporting materials, charge injection materials or the like. An organic electroluminescent device and a compound formulation are also disclosed.
An organic electroluminescent material is disclosed. The organic electroluminescent material is novel dehydro-fused-ring compounds with a structure of B(A)2, which may be used as charge transporting materials, charge injection materials, and the like in organic electroluminescent devices. Such novel compounds have very deep LUMO energy level, so they are excellent electron acceptor materials and charge transfer materials. They also have the potential to be excellent hole injection materials and p-dopant materials, and have broad industrial application prospects. An electroluminescent device and a compound formulation are also disclosed.
H01L 51/00 - Dispositifs à l'état solide qui utilisent des matériaux organiques comme partie active, ou qui utilisent comme partie active une combinaison de matériaux organiques et d'autres matériaux; Procédés ou appareils spécialement adaptés à la fabrication ou au traitement de tels dispositifs ou de leurs parties constitutives
Disclosed is an organic electroluminescent material and device. The organic electroluminescent material is a novel metal complex that comprises a ligand having a fluorene structure and a ligand having a dibenzofuran, dibenzothiophene, or dibenzoselenophene structure, and has a general formula of M(La)m(Lb)n(Lc)q, where the ligand La has a structure represented by Formula IA, the ligand Lb has a structure represented by Formula IB, and the ligand Lc is a monoanionic bidentate ligand. The metal complex may be used as the light-emitting material in the organic electroluminescent device. These novel compounds can greatly improve the device efficiency and provide better device performance. Further provided are an electroluminescent device and a compound formulation.
H01L 51/00 - Dispositifs à l'état solide qui utilisent des matériaux organiques comme partie active, ou qui utilisent comme partie active une combinaison de matériaux organiques et d'autres matériaux; Procédés ou appareils spécialement adaptés à la fabrication ou au traitement de tels dispositifs ou de leurs parties constitutives
C07F 15/00 - Composés contenant des éléments des groupes 8, 9, 10 ou 18 de la classification périodique
Provided is an organic light-emitting material. The light-emitting material is a series of metal complexes containing a ligand(s) based on isoquinoline which is substituted with deuterium at 3- and 4-position and a ligand(s) based on acetylacetone. The compounds can be used as the light-emitting material in an emissive layer of an organic electroluminescent device. These novel compounds can provide better device performance. Further provided are an electroluminescent device and a compound combination including the light-emitting material.
H01L 51/00 - Dispositifs à l'état solide qui utilisent des matériaux organiques comme partie active, ou qui utilisent comme partie active une combinaison de matériaux organiques et d'autres matériaux; Procédés ou appareils spécialement adaptés à la fabrication ou au traitement de tels dispositifs ou de leurs parties constitutives
Provided are an organic electroluminescent material and a device comprising the same. The organic electroluminescent material is a novel compound having a parent core structure formed by fusing indole and pyrrole with an azamacrocycle and bonded with benzoquinazoline or benzoquinoxaline and similar structures thereof. The organic electroluminescent material may be used as a host material in an electroluminescent device. The novel compound can provide better device performance in the electroluminescent device. Further provided are an electroluminescent device and a compound formulation.
Disclosed is an organic electroluminescence device. The organic electroluminescence device has an organic layer having a specific combination in which a hole transporting material is doped with a p-type conductive doped material. The organic electroluminescence device can provide better device performance, such as lifetime improvement and voltage reduction.
H01L 51/50 - Dispositifs à l'état solide qui utilisent des matériaux organiques comme partie active, ou qui utilisent comme partie active une combinaison de matériaux organiques et d'autres matériaux; Procédés ou appareils spécialement adaptés à la fabrication ou au traitement de tels dispositifs ou de leurs parties constitutives spécialement adaptés pour l'émission de lumière, p.ex. diodes émettrices de lumière organiques (OLED) ou dispositifs émetteurs de lumière à base de polymères (PLED)
H10K 85/60 - Composés organiques à faible poids moléculaire
H10K 50/155 - Couches de transport de trous comprenant des dopants
Provided is an organic electroluminescent device. The organic electroluminescent device comprises a first electrode, a second electrode, and at least two light emitting units disposed between the first electrode and the second electrode, wherein the light emitting units each comprises at least one light emitting layer, and a connection layer of a specific structure is further disposed between adjacent two light emitting units. By using a connection layer of a specific structure, the organic light-emitting device reduces the device voltage, prolongs life time of the device, and improves the device performance.
H10K 50/13 - OLED ou diodes électroluminescentes polymères [PLED] caractérisées par les couches électroluminescentes [EL] spécialement adaptées à l'émission de lumière multicolore, p. ex. à l'émission de lumière blanche comprenant des couches EL empilées dans une unité EL
H10K 50/11 - OLED ou diodes électroluminescentes polymères [PLED] caractérisées par les couches électroluminescentes [EL]
H10K 71/30 - Dopage de couches actives, p. ex. de couches de transport d'électrons
H10K 85/60 - Composés organiques à faible poids moléculaire
H10K 101/40 - Interrelation des paramètres entre plusieurs couches ou sous-couches actives constitutives, p. ex. valeurs HOMO dans des couches adjacentes
H10K 101/30 - Valeurs d'énergie de la plus haute orbitale moléculaire occupée [HOMO], de la plus basse orbitale moléculaire inoccupée [LUMO] ou de Fermi
H10K 102/00 - DISPOSITIFS ÉLECTRIQUES À L’ÉTAT SOLIDE ORGANIQUES - Détails de structure relatifs aux dispositifs organiques couverts par la présente sous-classe
96.
Organic luminescent material having an ancillary ligand with a partially fluorine-substituted substituent
Provided is an organic light-emitting material having an ancillary ligand with partially fluorinated substituents. The organic light-emitting material is a metal complex having a diketone ancillary ligand with partially fluorinated substituents and may be used as a light-emitting material in an organic electroluminescent device. These new types of metal complex can fine-tune the emission wavelength more effectively, reduce voltage, improve efficiency, prolong lifetimes, and provide better device performance. Further provided are an organic electroluminescent device and a compound formulation.
Liquid formulation comprising a solute for fabricating an electronic device and a partially or fully deuterated solvent is disclosed. The liquid formulation can be used in the solution process of electronic devices, and can greatly enhance the device performance of solution processed OLEDs, especially lifetime. Also disclosed is a method of making an electronic device.
H10K 71/13 - Dépôt d'une matière active organique en utilisant un dépôt liquide, p. ex. revêtement par centrifugation en utilisant des techniques d'impression, p. ex. l’impression par jet d'encre ou la sérigraphie
C09D 11/033 - Encres d’imprimerie caractérisées par des particularités autres que la nature chimique du liant caractérisées par le solvant
H10K 71/16 - Dépôt d'une matière active organique en utilisant un dépôt physique en phase vapeur [PVD], p. ex. un dépôt sous vide ou une pulvérisation cathodique
H10K 50/17 - Couches d'injection des porteurs de charge
H10K 71/15 - Dépôt d'une matière active organique en utilisant un dépôt liquide, p. ex. revêtement par centrifugation caractérisé par le solvant utilisé
H10K 71/00 - Fabrication ou traitement spécialement adaptés aux dispositifs organiques couverts par la présente sous-classe
98.
Aromatic amine derivative and organic electroluminescent devices containing the same
Disclosed are an aromatic amine derivative and an organic electroluminescent device including the same. A fluorenyl/silafluorenyl group having an ortho-substituted group is introduced into the structure of the aromatic amine derivative. The aromatic amine derivative may be used as a light-emitting material in a light-emitting layer of an organic electroluminescent device. These novel compounds can provide better device performance.
C07C 211/61 - Composés contenant des groupes amino liés à un squelette carboné ayant des groupes amino liés à des atomes de carbone de cycles aromatiques à six chaînons du squelette carboné ayant des groupes amino liés à des atomes de carbone de cycles aromatiques à six chaînons faisant partie de systèmes cycliques condensés du squelette carboné avec au moins un des systèmes cycliques condensés formé par trois cycles ou plus
C07C 255/58 - Nitriles d'acides carboxyliques ayant des groupes cyano liés à des atomes de carbone de cycles aromatiques à six chaînons d'un squelette carboné contenant des groupes cyano et des atomes d'azote, liés par des liaisons simples et n'étant pas liés de plus à d'autres hétéro-atomes, liés au squelette carboné
An organic light-emitting material contains a 6-silyl-substituted isoquinoline ligand. The organic light-emitting material is a metal complex containing a 6-silyl-substituted isoquinoline ligand and may be used as a light-emitting material in a light-emitting layer of an organic electroluminescent device. These new complexes can provide redder and saturated emission and meanwhile demonstrate a significantly improved lifetime and efficient and excellent device performance. Further disclosed are an electroluminescent device and a compound formulation including the metal complex.
C07F 15/00 - Composés contenant des éléments des groupes 8, 9, 10 ou 18 de la classification périodique
H01L 51/00 - Dispositifs à l'état solide qui utilisent des matériaux organiques comme partie active, ou qui utilisent comme partie active une combinaison de matériaux organiques et d'autres matériaux; Procédés ou appareils spécialement adaptés à la fabrication ou au traitement de tels dispositifs ou de leurs parties constitutives
H01L 51/50 - Dispositifs à l'état solide qui utilisent des matériaux organiques comme partie active, ou qui utilisent comme partie active une combinaison de matériaux organiques et d'autres matériaux; Procédés ou appareils spécialement adaptés à la fabrication ou au traitement de tels dispositifs ou de leurs parties constitutives spécialement adaptés pour l'émission de lumière, p.ex. diodes émettrices de lumière organiques (OLED) ou dispositifs émetteurs de lumière à base de polymères (PLED)
100.
Metal complex containing a first ligand, a second ligand, and a third ligand
A metal complex containing three different ligands which may be used as a light-emitting material in a light-emitting layer of an organic electroluminescent device. These new complexes can not only achieve device performed desired to be adjusted or improved by adjusting substituents but also have the effect of effectively controlling increase of the evaporation temperature. Further disclosed are an electroluminescent device and a compound formulation including the metal complex.
brevets