Fluroescent, Phosphorescent, Or Luminescent Layer Patents (Class 428/690)
  • Patent number: 10236470
    Abstract: Provided are an organic light-emitting display apparatus and a method of manufacturing the same. The organic light-emitting display apparatus includes a first substrate; an organic light-emitting device provided on the first substrate and including a first electrode, a second electrode, and an intermediate layer positioned between the first electrode and the second electrode; a second substrate covering the organic light-emitting device and disposed to face the first substrate; and a sealant bonding the first substrate and the second substrate, wherein at least a portion of the sealant is a intermixing region which is formed as an inorganic material permeates an organic material.
    Type: Grant
    Filed: May 25, 2018
    Date of Patent: March 19, 2019
    Assignees: Samsung Dislay Co., Ltd., Industry-University Cooperation Foundation Hanyang-University
    Inventors: Seunghun Kim, Myungmo Sung, Seungyong Song, Cheol Jang
  • Patent number: 10236451
    Abstract: Disclosed is a novel benzimidazole compound having excellent hole injection and transport capabilities, light-emitting capabilities, and the like, and an organic electroluminescent device which comprises the benzimidazole compound in one or more organic material layers thereof so as to thereby achieve enhanced characteristics, such as light-emitting efficiency, driving voltage, and lifespan.
    Type: Grant
    Filed: March 6, 2013
    Date of Patent: March 19, 2019
    Assignee: DOOSAN CORPORATION
    Inventors: Hyung Chan Bae, Young Mi Beak, Tae Hyung Kim, Ho Cheol Park, Chang Jun Lee, Jin Young Shin
  • Patent number: 10230050
    Abstract: The present invention relates to n-dopants for doping organic electron transport materials, wherein the n-dopants have at least one aminophosphazene group of formula 1 having 4 nitrogen atoms bonded to a phosphorus atom.
    Type: Grant
    Filed: December 7, 2015
    Date of Patent: March 12, 2019
    Assignee: SIEMENS AKTIENGESELLSCHAFT
    Inventors: Florian Kessler, Stefan Regensburger, Günter Schmid
  • Patent number: 10230060
    Abstract: Electronic displays including organic light emitting diodes having an organic layer including a compound including a ligand having the formula: is disclosed. In these formulas, each R1, R2, and R3 is independently selected from hydrogen, alkyl, and aryl; at least one of R1 and R2 is a branched alkyl containing at least 4 carbon atoms, where the branching occurs at a position further than the benzylic position; where R1 and R3 are mono-, di-, tri-, tetra-, or no substitutions; and R2 is mono-, di-, or no substitutions. Emissive layers including a host material doped with these heteroleptic iridium complexes are also disclosed.
    Type: Grant
    Filed: January 17, 2018
    Date of Patent: March 12, 2019
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Raymond Kwong, Bin Ma, Chuanjun Xia, Bert Alleyne, Jason Brooks
  • Patent number: 10230054
    Abstract: 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, the organic layer including an emission layer, wherein the organic layer includes a first compound and a second compound. The organic light-emitting device may have a high efficiency and long lifespan.
    Type: Grant
    Filed: August 3, 2016
    Date of Patent: March 12, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Minkyung Kim, Taekyung Kim, Miehwa Park, Jaeyong Lee
  • Patent number: 10224488
    Abstract: The present invention discloses a delayed fluorescence compound and the organic EL device employing the delayed fluorescence compound as light emitting host of emitting lay and/or an electron transporting layer, and/or a hole blocking layer, and/or a delayed fluorescence material of emitting layer for organic EL device in the present invention display good performance.
    Type: Grant
    Filed: December 27, 2016
    Date of Patent: March 5, 2019
    Inventors: Feng-Wen Yen, Wen-Feng Hsiao, Chin-Min Teng
  • Patent number: 10217949
    Abstract: An organic electroluminescent material is shown in General Formula (1), wherein R3 is a carboline group, R13 is a carbazole group or a carboline group, R1 to R2, R4 to R12 and R14 to R20 are each independently selected from the group consisting of a hydrogen atom, a fluorine atom, a cyano group, an alkyl group, a cycloalkyl group, an alkoxy group, a haloalkyl group, a thioalkyl group, a silyl group and an alkenyl group.
    Type: Grant
    Filed: January 20, 2017
    Date of Patent: February 26, 2019
    Assignee: YUAN ZE UNIVERSITY
    Inventors: Chiung-Hui Huang, Cheng-Pin Chen, Man-Kit Leung, Tien-Lung Chiu, Jiun-Haw Lee, Jau-Jiun Huang
  • Patent number: 10217947
    Abstract: An organic compound is disclosed. The organic compound includes a cis-stilbene segment, a bridge atom segment having a bridge atom with four bonds, and the bridge atom is connected to the cis-stilbene segment with two of the four bonds to form a 7-membered ring structure, and an imidazole segment connected to the cis-stilbene segment.
    Type: Grant
    Filed: August 4, 2016
    Date of Patent: February 26, 2019
    Assignee: NICHEM FINE TECHNOLOGY CO., LTD.
    Inventors: Chien-Tien Chen, Chi-Chung Chen
  • Patent number: 10211145
    Abstract: An imaging element includes a layered structural body formed of a first electrode, a light receiving layer formed on the first electrode, and a second electrode formed on the light receiving layer, and a single first buffer layer formed of an amorphous organic material and a single second buffer layer formed of an amorphous inorganic material are provided between the light receiving layer and the second electrode from the light receiving layer side.
    Type: Grant
    Filed: June 16, 2015
    Date of Patent: February 19, 2019
    Assignee: Sony Corporation
    Inventor: Toshiki Moriwaki
  • Patent number: 10208013
    Abstract: The present invention provides a light emitting material, a manufacture method thereof and an organic light emitting diode using the light emitting material. The structure is unitary, and the formula weight is determined, and the better solubility and film formation are provided, and the thin film status is stable; it possesses a very high decomposition temperature and a lower sublimation temperature, and is easy to sublime to be light emitting material of high purity, and can be applied for small molecule organic light emitting diode. In the manufacture method of the light emitting material according to the present invention, m-bromothiophenol and 4-Bromo-2-fluorobenzonitrile are employed to be starting materials, and the intermediate of the light emitting material is obtained with a series of simple reactions, and finally, the light emitting material is obtained with Ullmann reaction or Suzuki reaction, and the steps are simple and the production is high.
    Type: Grant
    Filed: August 17, 2016
    Date of Patent: February 19, 2019
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Xianjie Li, Yuanchun Wu, Shijian Su, Yunchuan Li
  • Patent number: 10211406
    Abstract: Provided are an organic light emitting device including: a substrate; a first electrode; a second electrode; and an organic layer interposed between the first electrode and the second electrode and including an emission layer, wherein one of the first electrode and the second electrode is a reflective electrode and the other is a semitransparent or transparent electrode, and wherein the organic layer includes a layer having at least one of the compounds having at least one carbazole group, and a flat panel display device including the organic light emitting device. The organic light emitting device has low driving voltage, excellent current density, high brightness, excellent color purity, high efficiency, and long lifetime.
    Type: Grant
    Filed: January 14, 2018
    Date of Patent: February 19, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seok-Hwan Hwang, Young-Kook Kim, Yoon-Hyun Kwak, Jong-Hyuk Lee, Kwan-Hee Lee, Min-Seung Chun
  • Patent number: 10211410
    Abstract: An organic compound is disclosed. The organic compound includes a cis-stilbene segment, a bridge atom segment having a bridge atom with four bonds, and the bridge atom is connected to the cis-stilbene segment with two of the four bonds to form a 7-membered ring structure, and a quinoxaline segment connected to the cis-stilbene segment.
    Type: Grant
    Filed: August 4, 2016
    Date of Patent: February 19, 2019
    Assignee: NICHEM FINE TECHNOLOGY CO., LTD
    Inventors: Chien-Tien Chen, Chi-Chung Chen
  • Patent number: 10211400
    Abstract: Disclosed herein is a device comprising a substrate; where the substrate comprises a plurality of brush polymers that are covalently or ionically bonded to the substrate; where at least a portion of the brush polymers comprise a covalently bonded emitter moiety.
    Type: Grant
    Filed: March 31, 2017
    Date of Patent: February 19, 2019
    Assignees: DOW GLOBAL TECHNOLOGIES LLC, ROHM AND HAAS ELECTRONIC MATERIALS LLC, THE REGENTS OF THE UNIVERSITY OF CALIFORNIA
    Inventors: Craig J. Hawker, Zachariah Allen Page, Peter Trefonas, III, Anatoliy N. Sokolov, John Kramer, David S. Laitar, Sukrit Mukhopadhyay, Benjaporn Narupai, Christian Wilhelm Pester
  • Patent number: 10205099
    Abstract: A fused fluoranthene compound including a specific ring structure at a specific position of a fluoranthene skeleton is a novel material useful as a material for organic electroluminescence devices.
    Type: Grant
    Filed: May 30, 2014
    Date of Patent: February 12, 2019
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Masahiro Kawamura, Yumiko Mizuki, Hirokatsu Ito, Tomoharu Hayama, Tasuku Haketa
  • Patent number: 10205114
    Abstract: A composition suitable for use in an organic light-emitting layer (103) of an organic light-emitting device having an anode (101) and a cathode (105), the composition comprising a fluorescent light-emitting material, a first triplet-accepting material and a second triplet-accepting material that is different from the first triplet-accepting material. The fluorescent light-emitting material may be a repeat unit of a light-emitting polymer, and the first and second triplet-accepting materials may independently be repeat units of the light-emitting polymer or may be mixed with the fluorescent light-emitting material.
    Type: Grant
    Filed: August 28, 2015
    Date of Patent: February 12, 2019
    Assignees: Cambridge Display Technology Limited, Sumitomo Chemical Company Limited
    Inventors: Martina Pintani, Ian Johnson, Francesco Di Stasio, Martin Humphries, Jonathan Pillow, Ruth Pegington, James Morey
  • Patent number: 10205107
    Abstract: The present invention relates to a an organic light-emitting diode (OLED) (100) comprising an emission layer and an electron transport layer stack of at least two electron transport layers (160/161), wherein a first electron transport layer (161) and a second electron transport layer (162) comprises at least one matrix compound and in addition, —the first electron transport layer (161) comprises a first lithium halide or a first lithium organic complex; and —the second electron transport layer (162) comprises a second lithium halide or a second lithium organic complex, wherein the first lithium organic complex is not the same as the second lithium organic complex; and wherein the first lithium halide is not the same as the second lithium halide.
    Type: Grant
    Filed: July 1, 2015
    Date of Patent: February 12, 2019
    Assignee: Novaled GmbH
    Inventors: Bodo Wallikewitz, Carsten Rothe
  • Patent number: 10199581
    Abstract: A compound having an ancillary ligand L1 having the formula: Formula I is disclosed. The ligand L1 is coordinated to a metal M having an atomic number greater than 40, and two adjacent substituents are optionally joined to form into a ring. Such compound is suitable for use as emitters in organic light emitting devices.
    Type: Grant
    Filed: July 1, 2013
    Date of Patent: February 5, 2019
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Pierre-Luc T. Boudreault, Alexey Dyatkin, David Zenan Li, Scott Joseph, Chuanjun Xia, Hitoshi Yamamoto, Michael S. Weaver, Bert Alleyne, James Fiordeliso
  • Patent number: 10199584
    Abstract: A silyl group-containing compound represented by Formula 1: wherein, in Formula 1, groups and variables are the same as described in the specification.
    Type: Grant
    Filed: January 6, 2017
    Date of Patent: February 5, 2019
    Assignees: SAMSUNG ELECTRONICS CO., LTD., SAMSUNG SDI CO., LTD.
    Inventors: Yongsik Jung, Dalho Huh, Jhunmo Son, Eunsuk Kwon, Sangmo Kim, Saeyoun Lee, Soonok Jeon, Yeonsook Chung, Joonghyuk Kim, Myungsun Sim
  • Patent number: 10193106
    Abstract: Disclosed is a method for manufacturing an OLED device. The method includes steps of: providing a substrate and manufacturing an anode and a buffer layer in sequence on the substrate; subjecting the substrate to an acid treatment; drying the substrate and manufacturing a liquid light emitting layer on the buffer layer; providing a cover plate and manufacturing a cathode and an electron transport layer in sequence on the cover plate; subjecting the cover plate to the acid treatment; and bonding the cover plate and the substrate together by lamination to obtain an OLED device. According to the method, performance of a device can be improved stably, and thus light emitting efficiency of the device can be enhanced.
    Type: Grant
    Filed: January 19, 2017
    Date of Patent: January 29, 2019
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Hui Huang
  • Patent number: 10190043
    Abstract: A composition is provided, including one or more quantum dots and at least one organic emitter. Further, a formulation including the composition, a use of the formulation and a device comprising the composition or formulation is provided.
    Type: Grant
    Filed: April 28, 2011
    Date of Patent: January 29, 2019
    Assignee: Merck Patent GmbH
    Inventors: Junyou Pan, Niels Schulte, Thomas Eberle, Volker Hilarius
  • Patent number: 10193072
    Abstract: A pyrene-based compound, and an organic light-emitting diode including the pyrene-based compound are provided.
    Type: Grant
    Filed: August 5, 2013
    Date of Patent: January 29, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Eun-Jae Jeong, Seok-Hwan Hwang, Young-Kook Kim, Hye-Jin Jung, Jun-Ha Park, Eun-Young Lee, Jin-O Lim, Sang-Hyun Han, Soo-Yon Kim, Jong-Hyuk Lee
  • Patent number: 10193086
    Abstract: A light-emitting element having high emission efficiency is provided. A light-emitting element having a low driving voltage is provided. A novel compound which can be used for a transport layer or as a host material or a light-emitting material of a light-emitting element is provided. A novel compound with a benzofuropyrimidine skeleton is provided. Also provided is a light-emitting element which includes the compound with the benzofuropyrimidine skeleton between a pair of electrodes.
    Type: Grant
    Filed: February 7, 2018
    Date of Patent: January 29, 2019
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Hideko Inoue, Miki Kanamoto, Hiromi Seo, Satoshi Seo, Tatsuyoshi Takahashi, Tomoka Nakagawa
  • Patent number: 10193085
    Abstract: Embodiments relate to a delayed fluorescence compound of Formula 1: or Formula 2: The excitons in the triplet state are engaged in emission such that the emitting efficiency of the delayed fluorescent compound is increased. Embodiments also relate to a display device with an organic light emitting diode (OLED) that includes the delayed fluorescence compound.
    Type: Grant
    Filed: March 13, 2018
    Date of Patent: January 29, 2019
    Assignee: LG Display Co., Ltd.
    Inventors: Joong-Hwan Yang, Kyung-Jin Yoon, Hyo-Jin Noh, Dae-Wi Yoon, In-Ae Shin, Jun-Yun Kim
  • Patent number: 10186667
    Abstract: The present invention provides a series of diphenylimidazole-fused, spirally configured cis-stilbene/fluorene hybrid compounds and an optoelectronic device comprising the same. The diphenylimidazole-fused, spirally configured cis-stilbene/fluorene hybrid compound bearing cyanoaryl and cyanoheteroaryl substituents, and have glass transition temperatures ranged from 154° C. to 194° C., decomposition temperatures ranged from 426° C. to 443° C., reversible electron transport property, and balanced charges motilities. In addition, a variety of experimental data have proved that these diphenylimidazole-fused, spirally configured cis-stilbene/fluorene hybrid materials can indeed be used as a hole-blocking type electron-transporter for phosphorescent OLEDs.
    Type: Grant
    Filed: August 4, 2016
    Date of Patent: January 22, 2019
    Assignee: NICHEM FINE TECHNOLOGY CO., LTD.
    Inventors: Chien-Tien Chen, Chi-Chung Chen
  • Patent number: 10186677
    Abstract: An electroluminescent device and a manufacturing method thereof, and a display apparatus are provided. The electroluminescent device includes a base substrate; and an electron transport layer, disposed on the base substrate, the electron transport layer includes a first film layer for transporting electrons and a regulating structure arranged in contact with the first film layer, and the regulating structure is configured to regulate an electron mobility of the electron transport layer.
    Type: Grant
    Filed: November 8, 2016
    Date of Patent: January 22, 2019
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Hu Meng
  • Patent number: 10186672
    Abstract: Methods of making novel organic compounds containing a twisted aryl group are provided. In particular, the compounds provided contain a 2-phenylpyridine ligand having a twisted aryl group on the pyridine portion of the ligand. The compounds may be used in organic light emitting devices, particularly as emitting dopants. Devices comprising the compounds containing twisted aryl may demonstrate improved color, efficiency, stability and manufacturing.
    Type: Grant
    Filed: March 23, 2017
    Date of Patent: January 22, 2019
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Chuanjun Xia, Bert Alleyne, Raymond C. Kwong, James Fiordeliso, Michael S. Weaver, Nasrin Ansari, Alan Deangelis, Dinesh Rayabarapu, Vadim Adamovich
  • Patent number: 10164197
    Abstract: An organic electroluminescent device having improved emission efficiency includes an anode, an emission layer, an anode-side hole transport layer between the anode and the emission layer and mainly including an electron accepting material, a middle hole transport material layer between the anode-side hole transport layer and the emission layer and including a middle hole transport material, and an emission layer-side hole transport layer between the middle hole transport material layer and the emission layer, adjacent to the emission layer and including an emission layer-side hole transport material represented by the following Formula 1.
    Type: Grant
    Filed: March 22, 2016
    Date of Patent: December 25, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Kazunori Morimoto, Naoya Sakamoto, Ichinori Takada
  • Patent number: 10164193
    Abstract: An organic light-emitting device comprising an anode (103); a cathode (109); a light-emitting layer (105) between the anode and the cathode; and an electron-transporting layer (107) comprising an electron-transporting material between the cathode and the light-emitting layer, wherein the cathode comprises a layer of a conducting material (109B) and a layer of an alkali metal compound (109A) between the electron-transporting layer and the layer of conducting material and wherein the electron-transporting material is a conjugated polymer comprising arylene repeat units.
    Type: Grant
    Filed: April 16, 2015
    Date of Patent: December 25, 2018
    Assignees: Cambridge Display Technology Limited, Sumitomo Chemical Company Limited
    Inventor: Thomas Kugler
  • Patent number: 10157558
    Abstract: A display device manufacturing method includes: lighting up a display device for a predetermined period; measuring, as first brightness, brightness of the display device at a start of lighting; measuring, as second brightness, brightness of the display device when the predetermined period has elapsed; calculating a deterioration rate of the second brightness with respect to the first brightness; and discriminating the display device as a defective item if the deterioration rate is greater than a threshold value.
    Type: Grant
    Filed: May 22, 2015
    Date of Patent: December 18, 2018
    Assignee: JOLED INC.
    Inventor: Nobuo Saito
  • Patent number: 10158080
    Abstract: An amino fluorene polymer including a first repeating unit represented by Formula 1: wherein, in Formula 1, A, F, F?, m1, n1, n2, R1, R2, R3, and R4 are the same as described in the specification.
    Type: Grant
    Filed: August 30, 2016
    Date of Patent: December 18, 2018
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Katsunori Shibata, Norihito Ishii
  • Patent number: 10158084
    Abstract: Provided are a novel aromatic amine derivative having a specific structure and an organic electroluminescence device in which an organic thin layer comprising a single layer or plural layers including a light emitting layer is interposed between a cathode and an anode, wherein at leas one layer of the above organic thin layer contains the aromatic amine derivative described above in form of a single component or a mixed component. Thus, the organic electroluminescence device is less liable to be crystallized in molecules, improved in a yield in producing the organic electroluminescence device and extended in a lifetime.
    Type: Grant
    Filed: June 28, 2017
    Date of Patent: December 18, 2018
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Nobuhiro Yabunouchi, Tetsuya Inoue
  • Patent number: 10158089
    Abstract: Novel heteroleptic iridium complexes are described. These iridium compounds contain alkyl substituted phenylpyridine ligands, which provide these compounds with beneficial properties when the iridium complexes are incorporated into OLED devices.
    Type: Grant
    Filed: August 23, 2013
    Date of Patent: December 18, 2018
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Bin Ma, Alan DeAngelis, Chuanjun Xia, Bert Alleyne
  • Patent number: 10153442
    Abstract: An iridium complex and an OLED using the same are shown. The iridium complex is represented by formula (I), wherein R1 is substituted or unsubstituted C1-12 alkyl, or substituted or unsubstituted C6-12 aryl; R2 is hydrogen, fluorine or —CmF2m+1 (m=1, 2 or 3), substituted or unsubstituted C1-12 alkyl, or substituted or unsubstituted C6-12 aryl; R3 is hydrogen, fluorine or —CmF2m+1 (m=1, 2 or 3), substituted or unsubstituted C1-6 alkyl or alkoxy, and n is 1, 2, 3 or 4; each of R4 is hydrogen or substituted or unsubstituted C1-12 alkyl, or R4's may join to form a C3-8 aromatic ring, and R4's may be the same or different; X1, X2, X3 and X4 are each independently CH or nitrogen; Y1, Y2 and Y3 are each independently carbon or nitrogen, with a proviso that at least one of Y1, Y2 and Y3 is nitrogen, and the tridentate chelate Y1^Y2^Y3 is dianionic.
    Type: Grant
    Filed: April 14, 2016
    Date of Patent: December 11, 2018
    Assignee: National Tsing Hua University
    Inventors: Yun Chi, Jun Lin
  • Patent number: 10153332
    Abstract: To provide a display device with low power consumption. The display device includes a plurality of pixels each having a light-emitting element having a structure in which light emitted from a light-emitting layer is resonated between a reflective electrode and a light-transmitting electrode, wherein no color filter layers are provided or color filter layers with high transmittance are provided in pixels for light with relatively short wavelengths (e.g., pixels for blue and/or green), and a color filter layer is selectively provided in pixels for light with a long wavelength (e.g., pixels for red), and thereby maintaining color reproducibility and consuming less power.
    Type: Grant
    Filed: May 26, 2017
    Date of Patent: December 11, 2018
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Nobuharu Ohsawa, Toshiki Sasaki, Satoshi Seo
  • Patent number: 10147885
    Abstract: Aniline derivatives such as those represented by the formulas shown, for example, have good solubility in organic solvents, and are able to provide organic electroluminescent elements having excellent longevity when thin films containing said aniline derivatives as charge transporting substances are used for hole injection layers.
    Type: Grant
    Filed: February 17, 2016
    Date of Patent: December 4, 2018
    Assignee: NISSAN CHEMICAL INDUSTRIES, LTD.
    Inventors: Naoki Nakaie, Taichi Nakazawa, Seiya Terai
  • Patent number: 10147888
    Abstract: A biscarbazole derivative having a specific group, which is represented by formula (1): and an organic electroluminescence device in which a plurality of organic thin-film layers including a light emitting layer are disposed between a cathode and an anode, and at least one of the organic thin-film layers include the biscarbazole derivative. The organic electroluminescence device exhibits high emission efficiency and has a long lifetime. In formula (1), each of A1 and A2 independently represents a substituted or unsubstituted aromatic hydrocarbon group having 6 to 30 ring carbon atoms; each of Y1 to Y16 independently represents C(R) or a nitrogen atom; each of R groups independently represents a hydrogen atom, etc.; and each of L1 and L2 independently represents a single bond, etc.; provided that at least one of A1, A2 and R represents a substituted or unsubstituted fluoranthenyl group, etc.
    Type: Grant
    Filed: February 6, 2012
    Date of Patent: December 4, 2018
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Tetsuya Inoue, Mitsunori Ito, Kumiko Hibino, Kazuki Nishimura, Kiyoshi Ikeda
  • Patent number: 10147889
    Abstract: A biscarbazole derivative having a specific group, which is represented by formula (1): and an organic electroluminescence device in which a plurality of organic thin-film layers including a light emitting layer are disposed between a cathode and an anode, and at least one of the organic thin-film layers include the biscarbazole derivative. The organic electroluminescence device exhibits high emission efficiency and has a long lifetime. In formula (1), each of A1 and A2 independently represents a substituted or unsubstituted aromatic hydrocarbon group having 6 to 30 ring carbon atoms; each of Y1 to Y16 independently represents C(R) or a nitrogen atom; each of R groups independently represents a hydrogen atom, etc.; and each of L1 and L2 independently represents a single bond, etc.; provided that at least one of A1, A2 and R represents a substituted or unsubstituted fluoranthenyl group, etc.
    Type: Grant
    Filed: May 26, 2016
    Date of Patent: December 4, 2018
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Tetsuya Inoue, Mitsunori Ito, Kumiko Gorai, Kazuki Nishimura, Kiyoshi Ikeda
  • Patent number: 10147882
    Abstract: A styryl-based compound represented by Formula 1 below is disclosed. An organic light-emitting diode including the styryl-based compound is also disclosed.
    Type: Grant
    Filed: November 8, 2013
    Date of Patent: December 4, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Sang-Hyun Han, Seok-Hwan Hwang, Young-Kook Kim, Hye-Jin Jung, Jin-O Lim, Soo-Yon Kim, Eun-Jae Jeong, Jun-Ha Park, Eun-Young Lee, Jong-Hyuk Lee
  • Patent number: 10141518
    Abstract: The present invention relates to a compound of the formula (I), to the use of this compound in an electronic device, and to an electronic device comprising one or more compounds of the formula (I). The invention furthermore relates to the preparation of the compound of the formula (I) and to a formulation comprising one or more compounds of the formula (I).
    Type: Grant
    Filed: March 2, 2017
    Date of Patent: November 27, 2018
    Assignee: Merck Patent GmbH
    Inventors: Philipp Stoessel, Arne Buesing, Frank Voges, Christof Pflumm, Amir Parham, Thomas Eberle, Teresa Mujica-Fernaud
  • Patent number: 10141519
    Abstract: A novel compound for improving the hole injection and transport properties in a light emitting device, a light emitting device including the compound, and an electronic device including a light emitting device are provided.
    Type: Grant
    Filed: January 28, 2014
    Date of Patent: November 27, 2018
    Assignee: LMS CO., LTD.
    Inventors: Jeong Og Choi, Joon Ho Jung, Oh Kwan Kwon
  • Patent number: 10141514
    Abstract: A composition is provided containing: a phosphorescent compound having an emission spectrum whose maximum peak wavelength is between 380 nm or more and less than 495 nm, having no dendron and represented by formula (1?); two or more phosphorescent compounds having an emission spectrum whose maximum peak wavelength is between 495 nm or more and less than 750 nm and having a dendron; and a compound represented by formula (H-1). In formula (1?) M represents an iridium atom or the like, n1 represents an integer of 1 or more, n2 represents an integer of 0 or more, E1 and E2 represent a carbon atom or the like, the ring R1? represents a diazole ring, the ring R2 represents a 6-membered aromatic hydrocarbon ring or the like, and A1-G1-A2 represents an anionic bidentate ligand.
    Type: Grant
    Filed: March 30, 2015
    Date of Patent: November 27, 2018
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Toshiaki Sasada, Makoto Anryu, Seiichirou Yokoya, Kohei Asada
  • Patent number: 10138201
    Abstract: This invention relates to a compound for an organic electroluminescent device and to an organic electroluminescent device including the same. This compound for an organic electroluminescent device has high thermal stability, high triplet energy and high hole transport capability, and the organic electroluminescent device including the same is improved in thermal stability and light emission efficiency. When this compound is used as a hole transport layer material, a triplet exciton of a phosphorescent light emitting material is confined, thus improving efficiency of the organic electroluminescent device.
    Type: Grant
    Filed: June 17, 2014
    Date of Patent: November 27, 2018
    Assignee: SK CHEMICALS CO., LTD.
    Inventors: Ju-Sik Kang, Jeong Ho Park, Suk Woon Jun, Yong-Jun Shin, Yu-Mi Chang, Nam-Choul Yang, Jae-Kyun Park, Song Lee
  • Patent number: 10131632
    Abstract: The present invention relates to a dopant for an organic optoelectronic device represented by Chemical Formula 1, and to an organic optoelectronic device and a display device comprising the dopant.
    Type: Grant
    Filed: October 26, 2015
    Date of Patent: November 20, 2018
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Sangshin Lee, Eun Sun Yu, Jun Yeob Lee, Yong Joo Cho
  • Patent number: 10135006
    Abstract: A compound containing five member ring fused B—N heterocycles is useful as host materials in OLEDs.
    Type: Grant
    Filed: October 10, 2016
    Date of Patent: November 20, 2018
    Assignee: Universal Display Corporation
    Inventors: Zhiqiang Ji, Lichang Zeng, Chuanjun Xia
  • Patent number: 10129947
    Abstract: Light-emitting elements having high emission efficiency and long lifetime can be provided. By forming light-emitting devices including the light-emitting elements, the light-emitting devices having low power consumption and long lifetime can be provided. A light-emitting device comprises a light-emitting element including a light-emitting layer between a first electrode and a second electrode. The light-emitting layer includes a first organic compound having a hole-transporting property, a second organic compound having an electron transporting property, and an organometallic complex. A central metal of the organometallic complex is an element belonging to one of Group 9 and Group 10, and a ligand of the organometallic complex is a ligand having a pyrazine skeleton.
    Type: Grant
    Filed: November 27, 2007
    Date of Patent: November 13, 2018
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Nobuharu Ohsawa, Hideko Inoue, Satoshi Seo
  • Patent number: 10125315
    Abstract: The present invention relates to pyrosilicate phosphors, to a process for the preparation thereof and to the use thereof as conversion phosphors. The present invention also relates to an emission-converting material comprising the conversion phosphor according to the invention, and to the use thereof in light sources, in particular pc-LEDs (phosphor converted light emitting devices). The present invention furthermore relates to light sources, in particular pc-LEDs, and to lighting units which comprise a primary light source and the emission-converting material according to the invention.
    Type: Grant
    Filed: March 30, 2016
    Date of Patent: November 13, 2018
    Assignee: Merck Patent GmbH
    Inventors: Aleksander Zych, Ralf Petry, Mathias Rapphahn, Ingo Koehler, Stefan Tews
  • Patent number: 10128456
    Abstract: The organic electroluminescence device includes an anode, a cathode, and at least an emitting layer between the anode and the cathode. The emitting layer includes a first host material, a second host material, and a phosphorescent dopant material. The first host material is a compound represented by a formula (1) below and the second host material is a compound represented by a formula (2) below.
    Type: Grant
    Filed: October 26, 2012
    Date of Patent: November 13, 2018
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Kazuki Nishimura, Toshinari Ogiwara, Kumiko Hibino, Tetsuya Inoue, Mitsunori Ito
  • Patent number: 10128448
    Abstract: The present invention relates to iridium and platinum carbene complexes of the general formula (I), to OLEDs (Organic Light-Emitting Diodes) which comprise such complexes, to a device selected from the group consisting of illuminating elements, stationary visual display units and mobile visual display units comprising such an OLED, to the use of such a metal-carbene complex in OLEDs, for example as emitter, matrix material, charge transport material and/or charge or exciton blocker.
    Type: Grant
    Filed: April 28, 2014
    Date of Patent: November 13, 2018
    Assignee: UDC Ireland Limited
    Inventors: Stefan Metz, Thomas Geβner, Korinna Dormann, Glauco Battagliarin, Peter Murer, Ute Heinemeyer, Christian Lennartz, Gerhard Wagenblast
  • Patent number: 10121974
    Abstract: A condensed-cyclic compound is represented by Formula 1: where X, L1 to L3, R1 to R3, Ar1 to Ar6, c1 to c3, a1 to a2, and b1 to b3 are as defined in the specification.
    Type: Grant
    Filed: June 18, 2015
    Date of Patent: November 6, 2018
    Assignee: Samsung Display Co., Ltd.
    Inventors: Mieun Jun, Sooyon Kim, Youngkook Kim, Seokhwan Hwang, Seunggak Yang
  • Patent number: 10121976
    Abstract: An organometallic compound and an organic light-emitting device, the organometallic compound being represented by the following Formula 1: M(L1)n1(L2)n2??<Formula 1> wherein in Formula 1, M is selected from iridium (Ir), platinum (Pt), osmium (Os), titanium (Ti), zirconium (Zr), hafnium (Hf), europium (Eu), terbium (Tb), thulium (Tm), and rhodium (Rh); n1 is 0, 1, 2, or 4; n2 is 1, 2, or 3; when n1 is two or more, two or more L1 are identical or different, and when n2 is two or more, two or more L2 are identical to different; L1 is selected from a monovalent organic ligand, a divalent organic ligand, a trivalent organic ligand, and a tetravalent organic ligand, and is different from L2; L2 is a ligand represented by the following Formula 2;
    Type: Grant
    Filed: June 16, 2015
    Date of Patent: November 6, 2018
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Sung-Wook Kim, Myeong-Suk Kim, Hwan-Hee Cho