Organic Luminescent Material Containing Compositions Patents (Class 252/301.16)
- Heterocyclic compounds having an intercyclic acyclic methine linkage (Class 252/301.22)
- Azine containing (Class 252/301.25)
- Six-membered ring having one hetero-N-atom (Class 252/301.26)
- Azole containing (Class 252/301.27)
- Five-membered ring having four carbon atoms and one nitrogen atom (Class 252/301.31)
- Hetero-S-atom or hetero-O-atom containing (Class 252/301.32)
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Patent number: 10714696Abstract: 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: GrantFiled: April 6, 2016Date of Patent: July 14, 2020Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Kyuyoung Hwang, Ohyun Kwon, Yoonhyun Kwak, Kum Hee Lee, Hyeonho Choi, Whail Choi, Byoungki Choi
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Patent number: 10686150Abstract: 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: GrantFiled: December 23, 2015Date of Patent: June 16, 2020Assignee: LG CHEM, LTD.Inventors: Sangbin Lee, Jungoh Huh
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Patent number: 10680195Abstract: 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: GrantFiled: October 10, 2016Date of Patent: June 9, 2020Assignee: Samsung Display Co., Ltd.Inventors: Younsun Kim, Seulong Kim, Dongwoo Shin, Jungsub Lee, Naoyuki Ito, Jino Lim
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Patent number: 10672998Abstract: 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: GrantFiled: January 30, 2018Date of Patent: June 2, 2020Assignee: UNIVERSAL DISPLAY CORPORATIONInventors: Zhiqiang Ji, Chun Lin
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Patent number: 10644243Abstract: 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: GrantFiled: August 23, 2011Date of Patent: May 5, 2020Assignee: Nissan Chemical Industries, Ltd.Inventors: Jonathan Maunoury, Enrico Orselli, Alexandre Ferrand, Dominique Bascour
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Patent number: 10636993Abstract: 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: GrantFiled: November 20, 2015Date of Patent: April 28, 2020Assignees: CAMBRIDGE ENTERPRISE LIMITED, KING ABDULAZIZ CITY FOR SCIENCE & TECHNOLOGYInventors: Richard Friend, Zhi Kuang Tan, Guangru Li, Dawei Di, Neil C. Greenham
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Patent number: 10629817Abstract: 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: GrantFiled: April 27, 2016Date of Patent: April 21, 2020Assignee: Merck Patent GmbHInventors: Dominik Joosten, Florian Maier-Flaig, Anna Hayer, Holger Heil
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Patent number: 10615348Abstract: 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: GrantFiled: April 5, 2016Date of Patent: April 7, 2020Assignees: SAMSUNG ELECTRONICS CO., LTD., SAMSUNG SDI CO., LTD.Inventors: Hiroshi Miyazaki, Hosuk Kang, Masaki Numata, Sooghang Ihn, Soonok Jeon, Miyoung Chae
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Patent number: 10608186Abstract: 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: GrantFiled: August 23, 2017Date of Patent: March 31, 2020Assignee: UNIVERSAL DISPLAY CORPORATIONInventors: Lichang Zeng, Zhiqiang Ji, Edward Barron
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Patent number: 10593900Abstract: 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: GrantFiled: February 6, 2014Date of Patent: March 17, 2020Assignee: Universal Display CorporationInventors: Vadim Adamovich, Michael Stuart Weaver, Raymond Kwong
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Patent number: 10581001Abstract: 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, onType: GrantFiled: September 27, 2016Date of Patent: March 3, 2020Assignee: OSRAM OLED GMBHInventors: Dominik Pentlehner, Guenter Schmid, Anna Maltenberger, Sébastien Pecqueur, Florian Kessler, Stefan Regensburger
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Patent number: 10581023Abstract: 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: GrantFiled: September 19, 2018Date of Patent: March 3, 2020Assignee: Samsung Display Co., Ltd.Inventors: Myeong Suk Kim, Sung Wook Kim, Chang Woong Chu, Jin Soo Hwang, Sang Hoon Yim
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Patent number: 10538700Abstract: 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: GrantFiled: May 22, 2017Date of Patent: January 21, 2020Assignees: SHANGHAI TIANMA AM-OLED CO., LTD., TIANMA MICRO-ELECTRONICS CO., LTD.Inventors: Xiangcheng Wang, Peng Shu, Hongyang Ren, Wei He, Chen Liu
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Patent number: 10535842Abstract: 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: GrantFiled: September 19, 2018Date of Patent: January 14, 2020Assignee: Samsung Display Co., Ltd.Inventors: Myeong Suk Kim, Sung Wook Kim, Chang Woong Chu, Jin Soo Hwang, Sang Hoon Yim
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Patent number: 10526498Abstract: 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: GrantFiled: July 31, 2017Date of Patent: January 7, 2020Assignee: JOLED INC.Inventors: Tomohiko Oda, Shinichiro Ishino, Koyo Sakamoto, Yasuhiro Yamauchi
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Patent number: 10483477Abstract: 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: GrantFiled: February 22, 2018Date of Patent: November 19, 2019Assignees: THE REGENTS OF THE UNIVERSITY OF MICHIGAN, THE UNIVERSITY OF SOUTHERN CALIFORNIAInventors: Stephen R. Forrest, Michael Slootsky, Mark E. Thompson
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Patent number: 10476036Abstract: 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: GrantFiled: September 22, 2017Date of Patent: November 12, 2019Assignee: 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
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Patent number: 10454052Abstract: 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: GrantFiled: April 3, 2018Date of Patent: October 22, 2019Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Shunsuke Hosoumi, Takahiro Ishisone, Tatsuyoshi Takahashi, Satoshi Seo
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Patent number: 10454032Abstract: 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: GrantFiled: April 24, 2019Date of Patent: October 22, 2019Assignees: Tsinghua University, HON HAI PRECISION INDUSTRY CO., LTD.Inventors: Wen Ning, Peng Liu, Kai-Li Jiang, Shou-Shan Fan
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Patent number: 10421902Abstract: 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: GrantFiled: June 21, 2017Date of Patent: September 24, 2019Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING INSTITUTE OF TECHNOLOGYInventors: Haizheng Zhong, Lige Liu
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Patent number: 10411212Abstract: 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: GrantFiled: October 2, 2012Date of Patent: September 10, 2019Assignees: IDEMITSU KOSAN CO., LTD., JOLED INC.Inventors: Emiko Kambe, Masato Nakamura, Jun Endo, Masakazu Funahashi, Hironobu Morishita
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Patent number: 10374158Abstract: 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: GrantFiled: December 22, 2017Date of Patent: August 6, 2019Assignees: Tsinghua University, HON HAI PRECISION INDUSTRY CO., LTD.Inventors: Wen Ning, Peng Liu, Kai-Li Jiang, Shou-Shan Fan
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Patent number: 10367160Abstract: 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: GrantFiled: April 20, 2017Date of Patent: July 30, 2019Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Satoshi Seo, Satoko Shitagaki, Nobuharu Ohsawa, Hideko Inoue, Kunihiko Suzuki
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Patent number: 10334685Abstract: 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: GrantFiled: November 13, 2015Date of Patent: June 25, 2019Assignee: Board of Supervisors of Louisiana State University and Agricultural and Mechanical CollegeInventors: Weiyong Yu, Yu Zhang
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Patent number: 10333071Abstract: 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: GrantFiled: August 4, 2016Date of Patent: June 25, 2019Assignees: Samsung Display Co., Ltd., Seoul National University R&DB FoundationInventors: Sehun Kim, Jongin Hong, Seongjin Jeong, Samil Kho, Hyoungkun Kim, Hyein Jeong
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Patent number: 10333070Abstract: 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: GrantFiled: January 6, 2015Date of Patent: June 25, 2019Assignee: The University of Southern CaliforniaInventor: Mark Thompson
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Patent number: 10319932Abstract: 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: GrantFiled: December 20, 2017Date of Patent: June 11, 2019Assignees: Tsinghua University, HON HAI PRECISION INDUSTRY CO., LTD.Inventors: Wen Ning, Peng Liu, Kai-Li Jiang, Shou-Shan Fan
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Patent number: 10312452Abstract: 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: GrantFiled: May 5, 2014Date of Patent: June 4, 2019Assignee: IDEMITSU KOSAN CO., LTD.Inventors: Makoto Kimura, Chishio Hosokawa, Masakazu Funahashi
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Patent number: 10305061Abstract: 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: GrantFiled: December 20, 2017Date of Patent: May 28, 2019Assignees: Tsinghua University, HON HAI PRECISION INDUSTRY CO., LTD.Inventors: Wen Ning, Peng Liu, Kai-Li Jiang, Shou-Shan Fan
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Patent number: 10295235Abstract: 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: GrantFiled: August 1, 2014Date of Patent: May 21, 2019Assignee: Shenzhen China Star Optoelectronics Technology Co., Ltd.Inventor: Wei Yu
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Patent number: 10297765Abstract: 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: GrantFiled: June 6, 2016Date of Patent: May 21, 2019Assignee: IDEMITSU KOSAN CO., LTD.Inventors: Yumiko Mizuki, Masakazu Funahashi, Mitsunori Ito, Masahiro Kawamura
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Patent number: 10290818Abstract: 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: GrantFiled: March 8, 2016Date of Patent: May 14, 2019Assignees: 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
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Patent number: 10256427Abstract: 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: GrantFiled: April 15, 2014Date of Patent: April 9, 2019Assignee: UNIVERSAL DISPLAY CORPORATIONInventors: Vadim Adamovich, James Esler, Jason Brooks, Michael S. Weaver, Julia J. Brown
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Patent number: 10253251Abstract: A system and process for controlling electronic interactions between two or more interactable materials.Type: GrantFiled: November 20, 2014Date of Patent: April 9, 2019Assignee: RAMOT AT TEL-AVIV UNIVERSITY LTD.Inventors: Bogdan Belgorodsky, Eyal Drug, Ludmila Fadeev, Netta Hendler, Elad Mentovich, Shachar Richter, Michael Gozin
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Patent number: 10246441Abstract: 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: GrantFiled: March 30, 2012Date of Patent: April 2, 2019Assignee: IDEMITSU KOSAN CO., LTD.Inventor: Tomoki Kato
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Patent number: 10249733Abstract: 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: GrantFiled: September 20, 2017Date of Patent: April 2, 2019Assignee: FUJIFILM CorporationInventor: Yoshiki Maehara
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Patent number: 10243147Abstract: 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: GrantFiled: June 10, 2016Date of Patent: March 26, 2019Assignee: E-RAY OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Heh-Lung Huang, Banumathy Balaganesan, Hsuan-Lung Lu
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Patent number: 10236445Abstract: 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: GrantFiled: March 8, 2016Date of Patent: March 19, 2019Assignee: OSRAM OLED GMBHInventors: Nina Riegel, Arne Fleissner
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Patent number: 10208069Abstract: 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: GrantFiled: February 2, 2016Date of Patent: February 19, 2019Assignee: The University of AkronInventors: George R. Newkome, Charles N. Moorefield, Tingzheng Xie, Xiaocun Lu
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Patent number: 10212401Abstract: An imaging system serving as an image generation device is provided with: a random optical filter array that has a plurality of types of optical filters and a scattering unit; photodiodes that receive light transmitted through the random optical filter array; an AD conversion unit that converts the light received by the photodiodes, into digital data; and a color image generation circuit that generates an image, using the digital data and modulation information of the random optical filter array, in which the scattering unit is located between the plurality of types of optical filters and the photodiodes, and in which the scattering unit includes a material having a first refractive index, and a material having a second refractive index that is different from the first refractive index.Type: GrantFiled: December 14, 2017Date of Patent: February 19, 2019Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Satoshi Sato, Takeo Azuma, Kunio Nobori, Hisashi Watanabe, Takamasa Ando, Nobuhiko Wakai
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Patent number: 10186194Abstract: A display device is provided including a display unit including a plurality of color pixels; a scan driver that sequentially applies a gate-on voltage scan signal to a plurality of scan lines that are connected to the color pixels; a demux unit that is connected to a plurality of color data lines that are connected to the color pixels, and that sequentially selects the plurality color data lines at a predetermined time interval; and a data driver that applies a data signal to each of the plurality of color data lines that are sequentially selected in the demux unit, and that applies a previous data signal to at least one of the plurality of color data lines during the predetermined time interval, wherein the previous data signal has a same voltage as a voltage applied to one of the plurality of color data lines before the predetermined time interval.Type: GrantFiled: November 5, 2015Date of Patent: January 22, 2019Assignee: Samsung Display Co., Ltd.Inventor: Mitsuru Fujii
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Patent number: 10181562Abstract: An organic light-emitting device includes: a first electrode; a second electrode facing the first electrode; and an organic layer between the first electrode and the second electrode, wherein the organic layer includes an emission layer including a compound represented by Formula 1: An organic light-emitting device using the compound of Formula 1 may have high efficiency, low voltage, high luminance, and long lifespan.Type: GrantFiled: April 26, 2016Date of Patent: January 15, 2019Assignee: Samsung Display Co., Ltd.Inventors: Dongwoo Shin, Seulong Kim, Younsun Kim, Jungsub Lee, Naoyuki Ito
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Patent number: 10177323Abstract: Platinum (II) and palladium (II) complexes of Formulas A and B and iridium (III) complexes of Formula C having azepine functional groups and their analogs as emitters for full color displays and lighting applications.Type: GrantFiled: June 16, 2017Date of Patent: January 8, 2019Assignee: Arizona Board of Regents on behalf of Arizona State UniversityInventors: Jian Li, Zhi-Qiang Zhu
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Patent number: 10177324Abstract: Provided is a white organic electroluminescent device, composed of a substrate, an anode layer, an anode modification layer, a hole transporting-electron blocking layer, a hole-dominated light-emitting layer, an electron-dominated light-emitting layer, a hole blocking-electron transporting layer, a cathode modification layer, and a cathode layer arranged in turn, wherein the electron-dominated light-emitting layer is composed of an organic sensitive material, a blue organic light-emitting material, and an electron-type organic host material.Type: GrantFiled: November 20, 2014Date of Patent: January 8, 2019Assignee: Changchun Institute of Applied Chemistry, Chinese Academy of SciencesInventors: Liang Zhou, Hongjie Zhang
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Patent number: 10170629Abstract: A field-effect transistor and a manufacturing method thereof are provided. The method includes depositing a first insulating layer on a substrate; forming a source electrode and a drain electrode on the first insulating layer; forming a carbon quantum dots active layer covering the source electrode and the drain electrode; and forming a second insulating layer and a gate electrode on the carbon quantum dots active layer sequentially. According to the above method, the present disclosure making the field-effect transistor active layer with carbon quantum dots as materials, which enriches the material of the field-effect transistor, reduces the environmental pollution in current technology by using metal dots film, and reduces the dependence on metal elements.Type: GrantFiled: April 25, 2017Date of Patent: January 1, 2019Assignee: Shenzhen China Star Optoelectronics Technology Co., LtdInventor: Huafei Xie
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Patent number: 10158090Abstract: Compounds comprising phosphorescent metal complexes comprising cyclometallated imidazo[1,2-f]phenanthridine and diimidazo[1,2-a:1?,2?-c]quinazoline ligands, or isoelectronic or benzannulated analogs thereof, are described. Organic light emitting diode devices comprising these compounds are also described.Type: GrantFiled: January 3, 2018Date of Patent: December 18, 2018Assignee: UNIVERSAL DISPLAY CORPORATIONInventors: David Knowles, Chun Lin, Peter Mackenzie, Jui-Yi Tsai, Robert W. Walters, Scott Beers, Cory S. Brown, Walter Yeager
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Patent number: 10153450Abstract: A fused aromatic derivative shown by the following formula (1): wherein Ra and Rb are independently a hydrogen atom or a substituent, p is an integer of 1 to 8 and q is an integer of 1 to 11, and when p and q are two or more, Ras and Rbs may be independently the same or different, and adjacent substituents Ras may form a ring, L1 is a single bond or a substituted or unsubstituted divalent linking group, and Ar1 is a substituted or unsubstituted aryl group having 6 to 50 ring carbon atoms or a substituted or unsubstituted heteroaryl group having 5 to 50 ring atoms, provided that when L1 is a single bond and at least one of Ras is not a hydrogen atom, Ar1 is not a triphenylenyl group, and provided that substituents of L1 and Ar1, and Ra and Rb contain no amino group.Type: GrantFiled: October 28, 2013Date of Patent: December 11, 2018Assignee: IDEMITSU KOSAN CO., LTD.Inventor: Masahiro Kawamura
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Patent number: 10141534Abstract: A novel compound according to the present invention may improve the capability of transporting electrons to a light-emitting layer in a light-emitting device, and may improve the light-emitting efficiency and increase the lifespan of the light-emitting device by using the compound.Type: GrantFiled: April 7, 2014Date of Patent: November 27, 2018Assignee: LMS CO.,LTD.Inventors: Jeong Og Choi, Joon Ho Jung, Oh Kwan Kwon
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Patent number: 10119070Abstract: Described herein are devices, compositions, and methods for improving color discernment.Type: GrantFiled: August 2, 2012Date of Patent: November 6, 2018Assignee: Nitto Denko CorporationInventors: Brett T. Harding, Sheng Li, Amane Mochizuki, Hironaka Fujii
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Patent number: 10112959Abstract: The present disclosure relates to a novel compound, a color conversion film, a backlight unit and a display device comprising the same.Type: GrantFiled: October 26, 2015Date of Patent: October 30, 2018Assignee: LG CHEM, LTD.Inventors: Hoyong Lee, Kichul Koo, Minyoung Kang, Duy Hieu Le