Organic Luminescent Material Containing Compositions Patents (Class 252/301.16)
  • Patent number: 10840461
    Abstract: Provided is an organic electroluminescence device material, which, in its production, is free from formation of impurities that worsen the performance of organic EL devices, which, in forming an upper layer by coating, does not cause dissolution mixing or swelling mixing, which forms a film of good quality and which contributes toward improving the performance (high durability, and low driving voltage) of organic EL devices.
    Type: Grant
    Filed: June 28, 2011
    Date of Patent: November 17, 2020
    Assignee: UDC Ireland Limited
    Inventors: Yasunori Yonekuta, Koji Takaku, Naoyuki Hayashi
  • Patent number: 10811611
    Abstract: A light-emitting element containing a fluorescent material and having high emission efficiency is provided. The light-emitting element contains the fluorescent material and a host material. The host material contains a first organic compound and a second organic compound. The first organic compound and the second organic compound can form an exciplex. The proportion of a delayed fluorescence component in light emitted from the exciplex is higher than or equal to 5%, and the delayed fluorescence component contains a delayed fluorescence component whose fluorescence lifetime is 10 ns or longer and 50 ?s or shorter.
    Type: Grant
    Filed: April 20, 2018
    Date of Patent: October 20, 2020
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Takahiro Ishisone, Shunsuke Hosoumi, Tatsuyoshi Takahashi, Satoshi Seo
  • Patent number: 10807996
    Abstract: Provided are an organic electroluminescent device (organic EL device) that is improved in luminous efficiency, sufficiently secures driving stability, and has a simple construction, and a material for an organic EL device to be used in the device. The material for an organic EL device includes a carborane compound represented by the general formula (1), and the carborane compound has a structure in which a six-membered ring group containing at least two nitrogen atoms is bonded to a carborane ring. The material for an organic EL device is suitable as a host material for a light-emitting layer containing a phosphorescent light-emitting dopant and the host material, or as a material for a hole-blocking layer. In the formula, rings A's each represent a divalent carborane group represented by the formula (1a) or the formula (1b), and two or more of X's each represent N.
    Type: Grant
    Filed: March 8, 2016
    Date of Patent: October 20, 2020
    Assignee: NIPPON STEEL CHEMICAL & MATERIAL CO., LTD.
    Inventors: Tokiko Ueda, Junya Ogawa, Takahiro Kai, Masashi Tada
  • Patent number: 10800970
    Abstract: A color conversion composition converting incident light to light having a longer wavelength than the incident light, and containing the following components (A)-(C): (A) at least one luminescent material; (B) a binder resin; and (C) at least one of tertiary amines, catechol derivatives and nickel compounds, in which the tertiary amines, the catechol derivatives and the nickel compounds have a molar extinction coefficient ? of 100 or less over the whole wavelength range from 400 nm to 800 nm is provided. This color conversion composition achieves a good balance between improvement of color reproducibility and durability if used for a liquid crystal display or an LED lighting device.
    Type: Grant
    Filed: July 8, 2016
    Date of Patent: October 13, 2020
    Assignee: TORAY INDUSTRIES, INC.
    Inventors: Hirotoshi Sakaino, Daisaku Tanaka
  • Patent number: 10790464
    Abstract: An organic light-emitting device and an electronic device, the organic light-emitting device including a first electrode; a second electrode facing the first electrode; and an organic layer between the first electrode and the second electrode, the organic layer including an emission layer, wherein the emission layer includes a first host, a second host, and a dopant, the first host includes a compound represented by Formula 1, and the second host includes a compound represented by Formula 2:
    Type: Grant
    Filed: January 4, 2018
    Date of Patent: September 29, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jungsub Lee, Taekyung Kim, Daeyup Shin
  • Patent number: 10777763
    Abstract: A novel light-emitting element is provided. Alternatively, a novel light-emitting element which can achieve both high efficiency and a long lifetime is provided. The light-emitting element includes a light-emitting layer between a pair of electrodes. The light-emitting element includes a first light-emitting layer and a second light-emitting layer. The first light-emitting layer includes a fluorescent material. The second light-emitting layer includes a phosphorescent material. A difference in peak value between a first emission spectrum of light from the first light-emitting layer and a second emission spectrum of light from the second light-emitting layer is 30 nm or less.
    Type: Grant
    Filed: February 18, 2016
    Date of Patent: September 15, 2020
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventor: Satoshi Seo
  • Patent number: 10752780
    Abstract: Described herein are novel azo-benzene type chromophores. The chromophores are useful in photochromic compositions comprising a polymer matrix and a chromophore, wherein the chromophore is a novel azo-benzene type structure. The photochromic composition is photoresponsive upon irradiation by at least one wavelength of laser light across the visible light spectrum. Photochromic devices which comprise the novel azo-benzene type chromophore compound show significantly higher photoinduced birefringence, higher diffraction efficiency, and brighter images than devices that comprise well known azo-benzene chromophores. The photochromic composition may include a liquid crystal.
    Type: Grant
    Filed: June 8, 2018
    Date of Patent: August 25, 2020
    Assignee: Nitto Denko Corporation
    Inventors: Tao Gu, Bogumila Rachwal, Ozair Siddiqui, Stanislaw Rachwal, Isamu Kitahara, Sergey Simavoryan, Peng Wang, Michiharu Yamamoto
  • Patent number: 10745422
    Abstract: An organometallic compound represented by Formulae 1, 2, or 3 below: wherein in Formulae 1, 2, and 3, groups and variables are the same as in the specification.
    Type: Grant
    Filed: March 27, 2015
    Date of Patent: August 18, 2020
    Assignees: SAMSUNG ELECTRONICS CO., LTD., SAMSUNG SDI CO., LTD.
    Inventors: Kyuyoung Hwang, Ohyun Kwon, Hyeonho Choi, Changwoo Kim, Seungjae Lee, Byoungki Choi
  • Patent number: 10731075
    Abstract: Provided is a hybridized perovskite quantum dot material. The quantum dot material includes a kernel and surface ligands. The kernel is formed by R1NH3AB3 or (R2NH3)2AB4, where R1 is methyl group, R2 is an organic molecular group, A is at least one selected from Ge, Sn, Pb, Sb, Bi, Cu and Mn, B is at least one selected from Cl, Br and I, A and B form a coordination octahedral structure, and R1NH3 or R2NH3 is filled in gaps of the coordination octahedral structure. The surface ligand is an organic acid or organic amine. The quantum dot material has a high fluorescence quantum yield.
    Type: Grant
    Filed: March 19, 2020
    Date of Patent: August 4, 2020
    Assignee: SHENZHEN TCL NEW TECHNOLOGY CO., LTD
    Inventors: Haizheng Zhong, Feng Zhang, Xiangang Wu, Hailong Huang, Yuwei Niu
  • Patent number: 10727417
    Abstract: An organic light-emitting device includes: a first electrode; a second electrode facing the first electrode; an emission layer (EML) between the first electrode and the second electrode; a hole transport region between the first electrode and the EML; an electron transport layer (ETL) between the EML and the second electrode, and including a first electron transport material; a first buffer layer between the EML and the ETL, and including a first buffer material; and a second buffer layer between the first buffer layer and the ETL, and including a second buffer material and a second electron transport material, wherein the first buffer material and the second buffer material are each independently selected from compounds represented by Formula 1 below, and the first buffer layer does not include an electron transport material:
    Type: Grant
    Filed: March 5, 2014
    Date of Patent: July 28, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: In-Jae Lee, Myung-Suk Han
  • Patent number: 10727430
    Abstract: An embodiment of the present invention discloses an organic light emitting diode comprising an organic layer consisting of one layer or more, which includes a transparent electrode, a reflective electrode provided facing the transparent elector, and a light emitting layer provided between the transparent electrode and the reflective electrode. Here, the light emitting layer includes two or more light emitting materials and is characterized in that the difference between the dipole moment value of one light emitting material and the dipole moment value of another light emitting material from among the light emitting materials is 1.5 Debye or more.
    Type: Grant
    Filed: September 22, 2016
    Date of Patent: July 28, 2020
    Assignee: LG Chem, Ltd.
    Inventors: Hwakyung Kim, Chang Hwan Kim, Minseung Chun, Seongmi Cho, Dongheon Kim, Wooyung Jung
  • Patent number: 10714696
    Abstract: An organometallic compound represented by Formula 1: M(L1)n1(L2)n2??Formula 1 wherein in Formula 1, M, L1, L2, n1, and n2 are the same as described in the specification.
    Type: Grant
    Filed: April 6, 2016
    Date of Patent: July 14, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Kyuyoung Hwang, Ohyun Kwon, Yoonhyun Kwak, Kum Hee Lee, Hyeonho Choi, Whail Choi, Byoungki Choi
  • Patent number: 10686150
    Abstract: The present specification relates to an organic light emitting device including: a cathode; an anode; a light emitting layer provided between the cathode and the anode; and one or more organic material layers provided between the cathode and the light emitting layer.
    Type: Grant
    Filed: December 23, 2015
    Date of Patent: June 16, 2020
    Assignee: LG CHEM, LTD.
    Inventors: Sangbin Lee, Jungoh Huh
  • Patent number: 10680195
    Abstract: An organic light emitting device includes: a first electrode; a second electrode facing the first electrode; m emission units stacked between the first electrode and the second electrode; and m?1 charge generating layer(s) between the two adjacent emission units from among the m emission units, m?1 charge generating layer(s) including m?1 n-type charge generating layer(s) and m?1 p-type charge generating layer(s), wherein m is an integer of 2 or greater, a maximum emission wavelength of light emitted from at least one of the m emission units differs from that of light emitted from at least one of the other emission units, at least one of the m?1 n-type charge generating layer(s) includes a metal-containing material and an electron transporting metal-non-containing material.
    Type: Grant
    Filed: October 10, 2016
    Date of Patent: June 9, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Younsun Kim, Seulong Kim, Dongwoo Shin, Jungsub Lee, Naoyuki Ito, Jino Lim
  • Patent number: 10672998
    Abstract: A compound having the formula Ir(LA)x(LB)y(LC)z is disclosed, wherein LA, LB, and LC each independently represents a bidentate ligand; wherein LA, LB, and LC can be same or different; wherein x is 1, 2 or 3; y is 0, 1 or 2; z is 0, 1 or 2; wherein x+y+z is 3; wherein LA includes an acetylide first dentate group bonded to Ir to form an Ir—C?C partial structure; and wherein LA, LB, and LC are optionally linked together to form a tetradentate or hexadentate ligand.
    Type: Grant
    Filed: January 30, 2018
    Date of Patent: June 2, 2020
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Zhiqiang Ji, Chun Lin
  • Patent number: 10644243
    Abstract: The present invention relates to a novel triscarbazole compound having substituent on N-phenyl, which can be represented by Formula (I). wherein R1 is selected from the group consisting of hydrogen, halogen or alkyl or alkoxy group having 1 to 20 carbon atoms wherein at least one hydrogen atom is optionally replaced by halogen; RA, RB, RC, RD and RE are any of substituents other than hydrogen wherein at least two of R1 and RA may further form a fused ring; and i, j, k, l and m are same or different at each occurrence and represent an integer from 0 to 4, with the proviso that when R1 is hydrogen, i is not 0. By introduction of the substituent on N-phenyl, the device efficiency, stability and lifetime can be increased while maintaining the solubility. These compounds can be used in various organic devices such as organic light emitting diodes, photovoltaic cells or organic semiconductor devices.
    Type: Grant
    Filed: August 23, 2011
    Date of Patent: May 5, 2020
    Assignee: Nissan Chemical Industries, Ltd.
    Inventors: Jonathan Maunoury, Enrico Orselli, Alexandre Ferrand, Dominique Bascour
  • Patent number: 10636993
    Abstract: Broadly speaking, embodiments of the present invention provide a solid state light-emitting device and a method of manufacturing the solid state light-emitting device. The method comprises preparing a thin layer of semiconducting perovskite nanoparticles embedded in a matrix or blend of a material that has a wider band gap than the semiconducting perovskite nanoparticles. In embodiments, the method comprises blending a solution of a semiconducting perovskite material or a precursor therefor with a solution of a material that has a wider band gap than the semiconducting perovskite material or a precursor therefor followed by removal of the solvent from the mixture thus formed, to give the semiconducting perovskite nanoparticles embedded in a matrix or blend of the material that has a wider band gap than the semiconducting perovskite nanoparticles.
    Type: Grant
    Filed: November 20, 2015
    Date of Patent: April 28, 2020
    Assignees: CAMBRIDGE ENTERPRISE LIMITED, KING ABDULAZIZ CITY FOR SCIENCE & TECHNOLOGY
    Inventors: Richard Friend, Zhi Kuang Tan, Guangru Li, Dawei Di, Neil C. Greenham
  • Patent number: 10629817
    Abstract: The present invention relates to the fluorene derivatives and to organic electronic devices in which these Compounds are used as matrix material in the emitting layer and/or as hole transport material and/or as electron blocker or exciton blocker material and/or as electron transport material.
    Type: Grant
    Filed: April 27, 2016
    Date of Patent: April 21, 2020
    Assignee: Merck Patent GmbH
    Inventors: Dominik Joosten, Florian Maier-Flaig, Anna Hayer, Holger Heil
  • Patent number: 10615348
    Abstract: An organic light-emitting device including a first electrode, a second electrode facing the first electrode, and an organic layer disposed between the first electrode and the second electrode, wherein the organic layer includes an emission layer, the emission layer includes a host and a fluorescent dopant, the organic light-emitting device satisfies Equation 1, the host includes a compound represented by Formulae 1, 2, or 3, and the fluorescent dopant satisfies Equation 2, wherein Formulae 1-3 and Equations 1-2 are the same as described in the specification.
    Type: Grant
    Filed: April 5, 2016
    Date of Patent: April 7, 2020
    Assignees: SAMSUNG ELECTRONICS CO., LTD., SAMSUNG SDI CO., LTD.
    Inventors: Hiroshi Miyazaki, Hosuk Kang, Masaki Numata, Sooghang Ihn, Soonok Jeon, Miyoung Chae
  • Patent number: 10608186
    Abstract: A composition comprising a first compound capable of functioning as a phosphorescent emitter in an organic light emitting device at room temperature is provided. The first compound includes at least one substituent R, where each of the at least one substituent R has the formula of: - - -G1-G2, where the dashed line denotes the bond through which R is attached in the first compound; G1 is a non-aromatic cyclic or polycyclic group; G2 is selected from aryl and heteroaryl; and G1 and G2 are independently, optionally further substituted with a substituent selected from the group consisting of hydrogen, deuterium, halide, alkyl, cycloalkyl, heteroalkyl, arylalkyl, alkoxy, aryloxy, amino, silyl, alkenyl, cycloalkenyl, heteroalkenyl, alkynyl, aryl, heteroaryl, acyl, carbonyl, carboxylic acids, ester, nitrile, isonitrile, sulfanyl, sulfinyl, sulfonyl, phosphino, and combinations thereof. Organic light emitting devices, consumer products, and formulations containing the first compound are also provided.
    Type: Grant
    Filed: August 23, 2017
    Date of Patent: March 31, 2020
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Lichang Zeng, Zhiqiang Ji, Edward Barron
  • Patent number: 10593900
    Abstract: An organic light emitting diode (OLED) architecture in which efficient operation is achieved without requiring a blocking layer by locating the recombination zone close to the hole transport side of the emissive layer. Aryl-based hosts and Ir-based dopants with suitable concentrations result in an efficient phosphorescent OLED structure. Previously, blocking layer utilization in phosphorescent OLED architectures was considered essential to avoid exciton and hole leakage from the emissive layer, and thus keep the recombination zone inside the emissive layer to provide high device efficiency and a pure emission spectrum.
    Type: Grant
    Filed: February 6, 2014
    Date of Patent: March 17, 2020
    Assignee: Universal Display Corporation
    Inventors: Vadim Adamovich, Michael Stuart Weaver, Raymond Kwong
  • Patent number: 10581023
    Abstract: The described technology relates to an organic light emitting diode including: a first electrode; a second electrode overlapping the first electrode; an organic emission layer between the first electrode and the second electrode; and a capping layer on the second electrode, wherein the capping layer has an absorption rate of 0.25 or more for light having a wavelength of 405 nm, thereby preventing degradation of the organic emission layer by blocking the light of the harmful wavelength region and providing the organic light emitting diode in which a blue emission efficiency is not deteriorated.
    Type: Grant
    Filed: September 19, 2018
    Date of Patent: March 3, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Myeong Suk Kim, Sung Wook Kim, Chang Woong Chu, Jin Soo Hwang, Sang Hoon Yim
  • Patent number: 10581001
    Abstract: The invention relates to an organic electronic component (100) comprising at least one charge generation layer (5) which has an organically p-doped region (5a) that contains a zinc complex as a p-dopant, said zinc complex in turn containing at least one ligand L of the following structure: formula (I) wherein R1 and R2 can be oxygen, sulphur, selenium, NH or NR4 independently from one another, wherein R4 is selected from the group containing alkyl or aryl and which can be bonded to R3; and wherein R3 is selected from the group containing alkyl, long-chain alkyl, cycloalkyl, halogen alkyl, at least partially halogenated long-chain alkyl, halogen cycloalkyl, aryl, arylene, halogen aryl, heteroaryl, heteroarylene, heterocyclic alkylene, heterocycloalkyl, halogen heteroaryl, alkenyl, halogen alkenyl, alkynyl, halogen alkynyl, ketoaryl, halogen ketoaryl, ketoheteroaryl, ketoalkyl, halogen ketoalkyl, ketoalkenyl, halogen ketoalkenyl, halogen alkyl aryl, and halogen alkyl heteroaryl, wherein, for suitable groups, on
    Type: Grant
    Filed: September 27, 2016
    Date of Patent: March 3, 2020
    Assignee: OSRAM OLED GMBH
    Inventors: Dominik Pentlehner, Guenter Schmid, Anna Maltenberger, Sébastien Pecqueur, Florian Kessler, Stefan Regensburger
  • Patent number: 10538700
    Abstract: A compound and an organic optoelectronic device are provided. The compound has the following chemical formula (I): In the chemical formula (I), R1 to R10 are independently selected from hydrogen, deuterium, C1 to C30 alkyl, C1 to C30 heteroatom-substituted alkyl, C6 to C30 aryl, and C2 to C30 heteroaryl; X1 is selected from O, S, substituted or unsubstituted imino, substituted or unsubstituted methylene, and substituted or unsubstituted silylene. A substituent is selected from hydrogen, deuterium, C1 to C30 alkyl, C1 to C30 heteroatom-substituted alkyl, C6 to C30 aryl, and C2 to C30 heteroaryl.
    Type: Grant
    Filed: May 22, 2017
    Date of Patent: January 21, 2020
    Assignees: SHANGHAI TIANMA AM-OLED CO., LTD., TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Xiangcheng Wang, Peng Shu, Hongyang Ren, Wei He, Chen Liu
  • Patent number: 10535842
    Abstract: The described technology relates to an organic light emitting diode including: a first electrode; a second electrode overlapping the first electrode; an organic emission layer between the first electrode and the second electrode; and a capping layer on the second electrode, wherein the capping layer has an absorption rate of 0.25 or more for light having a wavelength of 405 nm, thereby preventing degradation of the organic emission layer by blocking the light of the harmful wavelength region and providing the organic light emitting diode in which a blue emission efficiency is not deteriorated.
    Type: Grant
    Filed: September 19, 2018
    Date of Patent: January 14, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Myeong Suk Kim, Sung Wook Kim, Chang Woong Chu, Jin Soo Hwang, Sang Hoon Yim
  • Patent number: 10526498
    Abstract: According to one embodiment, an ink for organic EL includes an organic EL contributing material and an organic solvent. A relative energy difference RED based on Hansen solubility parameters which attribute to the organic EL contributing material and the organic solvent, respectively, is less than 0.5.
    Type: Grant
    Filed: July 31, 2017
    Date of Patent: January 7, 2020
    Assignee: JOLED INC.
    Inventors: Tomohiko Oda, Shinichiro Ishino, Koyo Sakamoto, Yasuhiro Yamauchi
  • Patent number: 10483477
    Abstract: Arrangements and techniques for providing organic emissive layers are provided, in which the emissive layer includes a first dopant having a dissociative energy level. A second dopant in the emissive layer provides a solid state sink energy level, to which doubly excited excitons and/or polarons may transition instead of to the dissociative energy level, thereby decreasing the undesirable effects of transitions to the dissociative energy level.
    Type: Grant
    Filed: February 22, 2018
    Date of Patent: November 19, 2019
    Assignees: THE REGENTS OF THE UNIVERSITY OF MICHIGAN, THE UNIVERSITY OF SOUTHERN CALIFORNIA
    Inventors: Stephen R. Forrest, Michael Slootsky, Mark E. Thompson
  • Patent number: 10476036
    Abstract: An organic light emitting diode display device includes a substrate, an organic light emitting diode on the substrate and a capping layer on the organic light emitting diode. The capping layer includes metal iodide selected from alkali metal iodide and alkaline-earth metal iodide. The organic light emitting diode may have reduced driving voltage and improved luminous efficiency.
    Type: Grant
    Filed: September 22, 2017
    Date of Patent: November 12, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Jihye Lee, Dongchan Kim, Donghoon Kim, Wonjong Kim, Jiyoung Moon, Dongkyu Seo, Dahea Im, Sanghoon Yim, Yoonhyeung Cho, Wonsuk Han
  • Patent number: 10454032
    Abstract: A method for making an organic light emitting diode includes providing a first carbon nanotube composite structure having a first surface and a second surface opposite to the first surface. The first carbon nanotube composite structure includes a polymer and a plurality of first carbon nanotubes dispersed in the polymer. A preform structure includes a support body, an anode electrode, a hole transport layer, and an organic light emitting layer stacked on each other in that order. The preform structure is located on the first surface, wherein the first surface is in direct contact with the organic light emitting layer. A cathode electrode is formed on the second surface.
    Type: Grant
    Filed: April 24, 2019
    Date of Patent: October 22, 2019
    Assignees: Tsinghua University, HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Wen Ning, Peng Liu, Kai-Li Jiang, Shou-Shan Fan
  • Patent number: 10454052
    Abstract: A light-emitting element containing a fluorescent material and having high emission efficiency is provided. The light-emitting element contains the fluorescent material and a host material. The host material contains a first organic compound and a second organic compound. The first organic compound and the second organic compound can form an exciplex. The minimum value of a distance between centroids of the fluorescent material and at least one of the first organic compound and the second organic compound is 0.7 nm or more and 5 nm or less.
    Type: Grant
    Filed: April 3, 2018
    Date of Patent: October 22, 2019
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Shunsuke Hosoumi, Takahiro Ishisone, Tatsuyoshi Takahashi, Satoshi Seo
  • Patent number: 10421902
    Abstract: The present application discloses a method of preparing a luminescent nano-sheet. The method includes preparing a precursor emulsion solution containing a metal halide and RNH3X, and having a molar ratio of metal halide to RNH3X in a range of approximately 0.6 to approximately 0.8; demulsifying the precursor emulsion solution to obtain a perovskite quantum dots material and a demulsified solution; and forming the luminescent nano-sheet by allowing the perovskite quantum dots material self-assemble into the luminescent nano-sheet. X is a halide, R is selected from alkyl, alkenyl, alkynyl, cycloalkyl, cycloalkenyl, cycloalkynyl, aryl, heteroaryl, and heterocyclyl.
    Type: Grant
    Filed: June 21, 2017
    Date of Patent: September 24, 2019
    Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING INSTITUTE OF TECHNOLOGY
    Inventors: Haizheng Zhong, Lige Liu
  • Patent number: 10411212
    Abstract: An organic electroluminescence device including: an anode; a cathode; two or more emitting units that are disposed between the anode and the cathode, each unit having an emitting layer; and a charge-generating layer that is disposed between the emitting units, wherein the charge-generating layer comprises an N layer nearer to the anode and a P layer nearer to the cathode, and the P layer comprises a compound represented by the following formula (I).
    Type: Grant
    Filed: October 2, 2012
    Date of Patent: September 10, 2019
    Assignees: IDEMITSU KOSAN CO., LTD., JOLED INC.
    Inventors: Emiko Kambe, Masato Nakamura, Jun Endo, Masakazu Funahashi, Hironobu Morishita
  • Patent number: 10374158
    Abstract: A method for making an organic light emitting diode includes providing a first carbon nanotube composite structure having a first surface and a second surface opposite to the first surface. The first carbon nanotube composite structure includes a polymer and a plurality of first carbon nanotubes dispersed in the polymer. A preform structure includes a support body, an anode electrode, a hole transport layer, and an organic light emitting layer stacked on each other in that order. The preform structure is located on the first surface, wherein the first surface is in direct contact with the organic light emitting layer. A cathode electrode is formed on the second surface.
    Type: Grant
    Filed: December 22, 2017
    Date of Patent: August 6, 2019
    Assignees: Tsinghua University, HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Wen Ning, Peng Liu, Kai-Li Jiang, Shou-Shan Fan
  • Patent number: 10367160
    Abstract: A light-emitting element having high external quantum efficiency is provided. A light-emitting element having low drive voltage is provided. Provided is a light-emitting element which includes a light-emitting layer containing a phosphorescent compound, a first organic compound, and a second organic compound between a pair of electrodes. A combination of the first organic compound and the second organic compound forms an exciplex (excited complex). An emission spectrum of the exciplex overlaps with an absorption band located on the longest wavelength side of an absorption spectrum of the phosphorescent compound. A peak wavelength of the emission spectrum of the exciplex is longer than or equal to a peak wavelength of the absorption band located on the longest wavelength side of the absorption spectrum of the phosphorescent compound.
    Type: Grant
    Filed: April 20, 2017
    Date of Patent: July 30, 2019
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Satoshi Seo, Satoko Shitagaki, Nobuharu Ohsawa, Hideko Inoue, Kunihiko Suzuki
  • Patent number: 10333070
    Abstract: The present invention provides for organometallic and organic dopants suitable for use in organic carrier transporting materials. Also provided are organic light emitting devices containing doped organic carrier transporting materials.
    Type: Grant
    Filed: January 6, 2015
    Date of Patent: June 25, 2019
    Assignee: The University of Southern California
    Inventor: Mark Thompson
  • Patent number: 10333071
    Abstract: An organic light-emitting device having high efficiency and long lifespan including: a first electrode; a second electrode facing the first electrode; and an organic layer between the first electrode and the second electrode and including an emission layer, wherein the organic layer includes a first compound represented by Formula 1 and a second compound represented by Formula 2: When compounds represented by Formulae 1 and 2 are included in the emission layer, organic light-emitting devices may exhibit improved driving voltage, improved luminance, improved efficiency, and/or improved lifespans.
    Type: Grant
    Filed: August 4, 2016
    Date of Patent: June 25, 2019
    Assignees: Samsung Display Co., Ltd., Seoul National University R&DB Foundation
    Inventors: Sehun Kim, Jongin Hong, Seongjin Jeong, Samil Kho, Hyoungkun Kim, Hyein Jeong
  • Patent number: 10334685
    Abstract: An electroluminescent LED device comprising a hole transport layer, an electron transport layer, an active emissive layer between the hole transport layer and the electron transport layer, and carbon dots forming the active emissive layer.
    Type: Grant
    Filed: November 13, 2015
    Date of Patent: June 25, 2019
    Assignee: Board of Supervisors of Louisiana State University and Agricultural and Mechanical College
    Inventors: Weiyong Yu, Yu Zhang
  • Patent number: 10319932
    Abstract: A method for making an organic light emitting diode includes providing a preform structure including an anode electrode, a hole transport layer, and an organic light emitting layer stacked on each other in that order. A carbon nanotube composite structure including a polymer and a plurality of first carbon nanotubes dispersed in the polymer is also provided. The plurality of first carbon nanotubes is substantially parallel to each other, and a part of surface of the plurality of first carbon nanotubes is exposed from the polymer. The preform structure, the carbon nanotube composite structure and a cathode electrode are stacked on each other in that order.
    Type: Grant
    Filed: December 20, 2017
    Date of Patent: June 11, 2019
    Assignees: Tsinghua University, HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Wen Ning, Peng Liu, Kai-Li Jiang, Shou-Shan Fan
  • Patent number: 10312452
    Abstract: Provided is a novel aromatic amine derivative with specified structure. Also provided is an organic electroluminescence device having one or more organic thin-film layers including at least a luminescent layer interposed between a cathode and an anode, in which at least one of the organic thin-film layers contains the above aromatic amine derivative alone or as a component of mixture. As a result, there is provided an organic electroluminescence device that has high emission luminance and high heat resistance, excelling in high-temperature storage ability and has long life, and provided an aromatic amine derivative for realizing the organic electroluminescence device.
    Type: Grant
    Filed: May 5, 2014
    Date of Patent: June 4, 2019
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Makoto Kimura, Chishio Hosokawa, Masakazu Funahashi
  • Patent number: 10305061
    Abstract: An organic light emitting diode includes a support body, an anode electrode, a hole transport layer, an organic light emitting layer, an electron transport layer, and a cathode electrode stacked on each other in that order. The electron transport layer includes a polymer and a plurality of carbon nanotubes dispersed in the polymer, the polymer has a first surface and a second surface opposite to the first surface, and a length direction of the plurality of carbon nanotubes extends from the first surface to the second surface.
    Type: Grant
    Filed: December 20, 2017
    Date of Patent: May 28, 2019
    Assignees: Tsinghua University, HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Wen Ning, Peng Liu, Kai-Li Jiang, Shou-Shan Fan
  • Patent number: 10295235
    Abstract: A gas cooling equipment is provided comprising a refrigerant storage device, a cooling processing device, and a dehydrating device. The dehydrating device is disposed on an air intake end of the cooling processing device for dewatering a high temperature gas. The invention is adopted to solve problems arising from the pressure increasing and the quartz cassettes breaking easily due to moisture in a low temperature portion of the high temperature gas discharged from a high temperature oven entering the cooling processing device, thereby improving manufacturing efficiency and reducing the manufacturing cost.
    Type: Grant
    Filed: August 1, 2014
    Date of Patent: May 21, 2019
    Assignee: Shenzhen China Star Optoelectronics Technology Co., Ltd.
    Inventor: Wei Yu
  • Patent number: 10297765
    Abstract: Provided are: an aromatic amine derivative in which a terminal substituent such as a dibenzofuran ring or a dibenzothiophene ring is bonded to a nitrogen atom directly or through an arylene group or the like; an organic electroluminescence device including an organic thin film layer formed of one or more layers including a light emitting layer and interposed between a cathode and an anode in which a layer of the organic thin film layer contains the aromatic amine derivative by itself or as a component of a mixture, and the device has a long lifetime and high luminous efficiency; and an aromatic amine derivative for realizing the device.
    Type: Grant
    Filed: June 6, 2016
    Date of Patent: May 21, 2019
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Yumiko Mizuki, Masakazu Funahashi, Mitsunori Ito, Masahiro Kawamura
  • Patent number: 10290818
    Abstract: An organometallic compound represented by Formula 1: wherein, in Formula 1, L11, M, R11 to R17, m, and n are the same as described in the specification.
    Type: Grant
    Filed: March 8, 2016
    Date of Patent: May 14, 2019
    Assignees: SAMSUNG ELECTRONICS CO., LTD., SAMSUNG SDI CO., LTD.
    Inventors: Sangho Park, Wook Kim, Changho Noh, Hyejin Bae, Virendra Kumar Rai, Satoko Ishibe, Miyoung Chae, Dmitry Kravchuk
  • Patent number: 10256427
    Abstract: An OLED device includes, in order, an electron blocking layer, an organic emissive layer, and a hole blocking layer. Its organic emissive layer contains at least four components: an electron transporting compound, a host, a hole transporting compound, and an emitting compound capable of phosphorescence emission at room temperature. The emitting compound has HOMO energy level of 5.2 eV or lower and a LUMO energy level of 2.5 eV or higher.
    Type: Grant
    Filed: April 15, 2014
    Date of Patent: April 9, 2019
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Vadim Adamovich, James Esler, Jason Brooks, Michael S. Weaver, Julia J. Brown
  • Patent number: 10253251
    Abstract: A system and process for controlling electronic interactions between two or more interactable materials.
    Type: Grant
    Filed: November 20, 2014
    Date of Patent: April 9, 2019
    Assignee: RAMOT AT TEL-AVIV UNIVERSITY LTD.
    Inventors: Bogdan Belgorodsky, Eyal Drug, Ludmila Fadeev, Netta Hendler, Elad Mentovich, Shachar Richter, Michael Gozin
  • Patent number: 10249733
    Abstract: Provided are an air up type transistor which has high electrical connection reliability and high productivity, and is capable of exhibiting good transistor characteristics while achieving microfabrication, and a manufacturing method of a transistor. A semiconductor layer is formed on an upper surface of a support precursor layer which becomes a semiconductor layer support and then a part of the semiconductor layer is removed to form one or more opening portions from which the support precursor layer is exposed. Two etching protective layers are formed on the semiconductor layer such that the two etching protective layers are separated from each other and at least a part of the opening portion is positioned in a region between the two etching protective layers.
    Type: Grant
    Filed: September 20, 2017
    Date of Patent: April 2, 2019
    Assignee: FUJIFILM Corporation
    Inventor: Yoshiki Maehara
  • Patent number: 10246441
    Abstract: An aromatic amine derivative including a substituent A and a substituent B each represented by the formula (1) or (2) and having an arylene group bound to a carbazole structure, in which the substituent A and the substituent B include groups different from each other in the position at which the arylene group is bonded to the carbazole structure, and the substituent A and the substituent B are bonded to the same nitrogen atom or different nitrogen atoms in the molecule; an organic electroluminescent device including an organic thin-film layer formed of one or more layers including at least a light emitting layer, the organic thin-film layer being interposed between a cathode and a anode, in which at least one layer of the organic thin-film layer contains the aromatic amine derivative, and the molecules are rarely crystallized.
    Type: Grant
    Filed: March 30, 2012
    Date of Patent: April 2, 2019
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventor: Tomoki Kato
  • Patent number: 10243147
    Abstract: An organic light-emitting element is provided, including: an anode; a first hole assisting layer and a second hole assisting layer sequentially formed on the anode; a light-emitting layer formed on and in contact with the second hole assisting layer, the light-emitting layer including a host luminesce containing a compound having a carbazole group; at least one electron transport layer formed on the light-emitting layer; and a cathode formed on the electron transport layer, the second hole assisting layer including a hole transport compound represented by formula (I) to improve the performance of the organic light-emitting element.
    Type: Grant
    Filed: June 10, 2016
    Date of Patent: March 26, 2019
    Assignee: E-RAY OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Heh-Lung Huang, Banumathy Balaganesan, Hsuan-Lung Lu
  • Patent number: 10236445
    Abstract: According to the present disclosure, a method for producing an optoelectronic component is provided. The method includes forming an organic first layer above a substrate, and forming an organic second layer above the first surface region. The first layer includes a surface. The surface is opposite the substrate and includes a first surface region and a second surface region. The second surface region surrounds the first surface region. The second surface region remains free of the second layer. The first layer and the second layer differ in their chemical composition.
    Type: Grant
    Filed: March 8, 2016
    Date of Patent: March 19, 2019
    Assignee: OSRAM OLED GMBH
    Inventors: Nina Riegel, Arne Fleissner
  • Patent number: 10208069
    Abstract: A process is provided for precise self-assembly and re-arrangement of a three-dimensional terpyridine-based coordination complex. A plurality of terpyridine-containing ligands are reacted with at least one metal ion, in a pre-selected molar ratio, to form a self-assembled three-dimensional terpyridine-based coordination complex having a first configuration. A triggering event, such as exposure to light or dilution, causes the coordination complex to re-arrange to form at least two smaller, substantially identical, three-dimensional terpyridine-based coordination complexes, each having a second configuration that is different from the first configuration. Upon application of a second triggering event, such as concentration, the re-arrangement is reversed.
    Type: Grant
    Filed: February 2, 2016
    Date of Patent: February 19, 2019
    Assignee: The University of Akron
    Inventors: George R. Newkome, Charles N. Moorefield, Tingzheng Xie, Xiaocun Lu