Fluroescent, Phosphorescent, Or Luminescent Layer Patents (Class 428/690)
  • Patent number: 10777752
    Abstract: An organic electroluminescence device including a cathode, an anode, and an emitting layer disposed between the cathode and the anode, wherein the emitting layer includes a compound represented by the following formula (1) and one or more compounds selected from the group consisting of compounds represented by formulas (11), (21), (31), (41), (51), (61), (71) and (81). In the formula (1), at least one of R1 to R8 is a deuterium atom, and Ar2 is a monovalent group represented by following formula (2), (3) or (4).
    Type: Grant
    Filed: August 30, 2019
    Date of Patent: September 15, 2020
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Yuki Nakano, Taro Yamaki, Satomi Tasaki, Tomoki Kato
  • Patent number: 10770664
    Abstract: This invention discloses iridium complexes containing one tetradentate ligand and one bidentate ligand. The heteroleptic iridium complexes showed desired properties such as good EQE, LT, and CIE.
    Type: Grant
    Filed: August 26, 2016
    Date of Patent: September 8, 2020
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Jui-Yi Tsai, Chuanjun Xia, Pierre-Luc T Boudreault, Ana M. Lopez, Ainhoa San Torcuato, Enrique Oñate, Miguel A. Esteruelas
  • Patent number: 10759802
    Abstract: The present disclosure relates to the field of technology of an OLED material and a device having the same, and particularly to a compound, a preparation method thereof and an organic light emitting display device, wherein the compound has a structure expressed by formula (I).
    Type: Grant
    Filed: November 5, 2017
    Date of Patent: September 1, 2020
    Assignee: SHANGHAI TIANMA AM-OLED CO., LTD.
    Inventors: Zhengchuan Zhang, Hao Dai, Defeng Bi
  • Patent number: 10763440
    Abstract: An organic electroluminescent element containing a light emitting material represented by the following general formula (1) and a host material represented by the general formula (H-1) in a light emitting layer. The organic electroluminescent element has low driving voltage, high luminous efficiency, and excellent durability. L represents O, NRC0, or CRC1RC2; RC0 to RC2 each represents a hydrogen atom or a substituent; RC3 to RC6 each represents a substituent; nC3 and nC6 each represents an integer of 0 to 3; nC4 and nC5 each represents an integer of 0 to 4; RH111 to RH118 each represents a hydrogen atom or a substituent; X represents any one of O, S, NRH119, CRH120RH121, and SiRH122RH123, and RH119 to RH123 each represents a substituent; the ring A represents a benzene ring; and the ring B represents a 5- or 6-membered ring.
    Type: Grant
    Filed: November 21, 2012
    Date of Patent: September 1, 2020
    Assignee: UDC IRELAND LIMITED
    Inventors: Kousuke Watanabe, Hiroaki Tsuyama, Yuichiro Itai
  • Patent number: 10756139
    Abstract: Disclosed is an organic light emitting display device including a substrate, an organic light emitting element formed on the substrate, and an encapsulation layer encapsulating the organic light emitting element, wherein the encapsulation layer has a structure in which at least two inorganic layers and at least one organic layer are alternately stacked one above another, each of the inorganic layers having a thickness of about 40 nm to about 1,000 nm and an index of refraction of about 1.41 to about 2.0, each of the organic layer having a thickness of about 0.2 ?m to about 15 ?m and an index of refraction of about 1.4 to about 1.65, the organic layer including a composition for encapsulating a display device, the composition for encapsulating a display device including a photocurable monomer and a photopolymerization initiator.
    Type: Grant
    Filed: May 2, 2016
    Date of Patent: August 25, 2020
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Hye Jin Kim, Sung Min Ko, Mi Sun Kim, Seong Ryong Nam, Ji Yeon Lee, Mi Jeong Choi
  • Patent number: 10756287
    Abstract: Objects of the present invention are to provide: a light-emitting element having a long lifetime and good emission efficiency and drive voltage. One embodiment of the invention is a light-emitting element including, between an anode and a cathode, at least a stack structure in which a first layer, a second layer, and a light-emitting layer are provided in order from the anode side. The first layer includes a first organic compound and an electron-accepting compound. The second layer includes a second organic compound having a HOMO level differing from the HOMO level of the first organic compound by from ?0.2 eV to +0.2 eV. The light-emitting layer includes a third organic compound having a HOMO level differing from the HOMO level of the second organic compound by from ?0.2 eV to +0.2 eV and a light-emitting substance having a hole-trapping property with respect to the third organic compound.
    Type: Grant
    Filed: June 22, 2017
    Date of Patent: August 25, 2020
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Satoshi Seo, Tsunenori Suzuki, Satoko Shitagaki
  • Patent number: 10756276
    Abstract: The present specification relates to an organic photodiode including: a first electrode; a second electrode provided to face the first electrode; and an organic material layer having one or more layers provided between the first electrode and the second electrode, in which one or more layers of the organic material layer include the compound of Formula 1, and an organic image sensor including the same.
    Type: Grant
    Filed: September 17, 2018
    Date of Patent: August 25, 2020
    Assignee: LG Chem, Ltd.
    Inventors: Bogyu Lim, Sang Ah Kim, Ji Hoon Kim, Seung Jun Yoo
  • Patent number: 10749111
    Abstract: There is disclosed a compound having Formula I In Formula I: R1 and R2 are the same or different and are H or D; R3 is the same or different at each occurrence and D, CN, halogen, alkyl, alkoxy, silyl, germyl, deuterated alkyl, deuterated alkoxy, deuterated silyl, or deuterated germyl; a is an integer from 0-4; Q1 and Q2 are the same or different and are H, D, alkyl, deuterated alkyl, aryl, deuterated aryl, or a group having Formula II *-(L1)b-HT??(II) At least one of Q1 and Q2 is a group having Formula II. In Formula II: HT is the same or different at each occurrence and is a hole transport group; L1 is the same or different at each occurrence and is alkyl, aryl, substituted derivatives thereof, deuterated analogs thereof, or combinations thereof; b is the same or different at each occurrence and is 0 or 1; and * indicates a point of attachment.
    Type: Grant
    Filed: October 28, 2016
    Date of Patent: August 18, 2020
    Assignee: LG Chem, Ltd.
    Inventors: Nora Sabina Radu, Adam Fennimore, Gene M. Rossi
  • Patent number: 10745431
    Abstract: Metal complexes useful as emitters in OLEDs are disclosed.
    Type: Grant
    Filed: November 7, 2017
    Date of Patent: August 18, 2020
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Lichang Zeng, Michael S. Weaver, Eric A. Margulies, Zhiqiang Ji
  • Patent number: 10738238
    Abstract: Phospher particles with a Protective Layer and a method for producing phosphor particles with a protective layer are disclosed. In an embodiment the method includes treating Si-containing and/or Al-containing phosphor with an acid solution, wherein a pH value of the acid solution is maintained within a range of pH 3.5 to pH 7 for a period of at least 1 h, wherein an Si-containing layer is formed on the phosphor particles, wherein the Si-containing layer has a higher content of Si on a surface than the phosphor particles, and/or wherein an Al-containing layer is formed on the phosphor particles, wherein the Al-containing layer has a modified content of aluminum on the surface than the phosphor particles and tempering the treated phosphor particles at a temperature of at least 100° C. thereby producing the protective layer.
    Type: Grant
    Filed: March 1, 2016
    Date of Patent: August 11, 2020
    Assignees: OSRAM OPTO SEMICONDUCTORS GMBH, OSRAM GMBH
    Inventors: Tim Fiedler, Sonja Tragl, Stefan Lange
  • Patent number: 10741774
    Abstract: A heterocyclic compound represented by Formula 1 and an organic electroluminescence device including the same in an emission layer. In Formula 1, Z is represented by Formula 2-1 or 2-2. In Formula 2-2, X1 to X3 are each independently CR10 or N, and at least one of X1 to X3 is N.
    Type: Grant
    Filed: December 12, 2017
    Date of Patent: August 11, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventor: Hiroaki Itoi
  • Patent number: 10734589
    Abstract: A novel organic compound is provided. That is, a novel organic compound that is effective in improving the element characteristics and reliability is provided. The organic compound has a benzofuroquinoxaline skeleton or a benzothienoquinoxaline skeleton. The organic compound is represented by General Formula (G1). In the formula, Q represents O or S, and each of R1 to R8 independently represents any of hydrogen, a halogeno group, a substituted or unsubstituted alkyl group having 1 to 6 carbon atoms, a substituted or unsubstituted aryl group having 6 to 12 carbon atoms, and a substituted or unsubstituted heteroaryl group having 3 to 12 carbon atoms. At least one of R1 to R8 includes a substituted or unsubstituted condensed aromatic or heteroaromatic ring having 3 to 24 carbon atoms.
    Type: Grant
    Filed: August 11, 2017
    Date of Patent: August 4, 2020
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Hiroki Suzuki, Tomoya Yamaguchi, Hideko Yoshizumi, Satoshi Seo, Tatsuyoshi Takahashi, Hiromitsu Kido, Satomi Watabe
  • Patent number: 10730812
    Abstract: The present specification relates to a double spiro structure compound and an organic light emitting device including the same.
    Type: Grant
    Filed: July 5, 2016
    Date of Patent: August 4, 2020
    Assignee: LG Chem, Ltd.
    Inventors: Yongbum Cha, Jin Joo Kim, Sang Duk Suh
  • Patent number: 10727292
    Abstract: Discussed is an electroluminescence display apparatus for preventing the performance, efficiency, and lifetime of a device from being reduced. The electroluminescence display apparatus includes a substrate including an active area including a plurality of pixels, a circuit element layer disposed on the substrate, a first electrode disposed on the circuit element layer, an auxiliary electrode disposed on the circuit element layer and spaced apart from the first electrode, a first light emitting layer disposed on the first electrode, a buffer layer disposed on the first light emitting layer, a second light emitting layer disposed on the buffer layer and the auxiliary electrode, and a second electrode disposed on the second light emitting layer.
    Type: Grant
    Filed: December 17, 2018
    Date of Patent: July 28, 2020
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Sungmoo Kim, Jinah Kwak, Sejin Kim
  • Patent number: 10727413
    Abstract: The invention relates to phenanthrene compounds comprising one or more arylamino groups. Said compounds can be used in electronic devices, in particular OLED's.
    Type: Grant
    Filed: February 9, 2015
    Date of Patent: July 28, 2020
    Assignee: Merck Patent GmbH
    Inventors: Teresa Mujica-Fernaud, Elvira Montenegro, Jochen Pfister
  • Patent number: 10720586
    Abstract: An organic electroluminescent element comprising a substrate; a pair of electrodes including an anode and a cathode, disposed on the substrate; and at least one organic layer including a light emitting layer, disposed between the electrodes, wherein the light emitting layer includes a compound represented by the following general formula: wherein: R1, R3, and R19; R11 to R18; and A1 to A4 are as defined in the specification.
    Type: Grant
    Filed: January 18, 2018
    Date of Patent: July 21, 2020
    Assignee: UDC Ireland Limited
    Inventors: Saki Takada, Yosuke Yamamoto, Kousuke Watanabe, Yuichiro Itai
  • Patent number: 10720595
    Abstract: An organic EL element includes a pixel electrode, a light emitting function layer that is formed on the pixel electrode, an electron injection layer formed on the light emitting function layer, and a counter electrode that is formed on the electron injection layer and that has semi-transmissive reflectivity, in which the counter electrode contains a reductive material that reduces material of the electron injection layer and Ag with atomic ratio of 75% or more, and an adsorption layer is formed on the counter electrode.
    Type: Grant
    Filed: April 12, 2018
    Date of Patent: July 21, 2020
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Koya Shiratori, Yuki Hanamura, Tsutomu Asakawa
  • Patent number: 10714549
    Abstract: An organic EL display panel including organic light emitting layers, each continuous in a column direction, in gaps between column banks. The organic light emitting layer in a gap end region extending in the column direction from a column direction end of the gap to a reference position a defined distance from the column direction end towards a display region and within a peripheral region has a volume greater than volumes of the organic light emitting layers in gap end regions extending in the column direction from column direction ends of the gaps to the reference position.
    Type: Grant
    Filed: February 22, 2019
    Date of Patent: July 14, 2020
    Assignee: JOLED INC.
    Inventors: Masashi Goto, Yoichi Shintani
  • Patent number: 10714691
    Abstract: The present invention relates to a formula, comprising at least one solvent, and at least one functional composition of the general formula (I), wherein A is a functional structural element, B is a solvent-providing structural element, and k is an integer in the range of 1 to 20. The molecular weight of the functional composition is at least 550 g/mol, and the solvent-providing structural element B corresponds to the general formula ((L-I). Ar1, Ar2 JeWeUs, independently of each other, signify an aryl or heteroaryl group, which can be substituted with one or several discretionary residues R. Each X is, independently of one another, N or CR2, preferably CH.
    Type: Grant
    Filed: January 10, 2017
    Date of Patent: July 14, 2020
    Assignee: Merck Patent GmbH
    Inventors: Rémi Manouk Anémian, Susanne Heun, Thomas Eberle, Philipp Stoessel
  • Patent number: 10714710
    Abstract: Provided is an organic light-emitting display apparatus including a substrate including a black pigment; a pixel electrode above the substrate; a pixel defining layer above the pixel electrode and having an opening for exposing at least a portion of the pixel electrode; an intermediate layer above the pixel electrode and including an emission layer (EML); and an opposite electrode above the intermediate layer.
    Type: Grant
    Filed: August 18, 2017
    Date of Patent: July 14, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Junhyuk Woo, Jeongwon Kim, Jinho Ju
  • Patent number: 10714695
    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 compound represented by Formula 1:
    Type: Grant
    Filed: May 23, 2016
    Date of Patent: July 14, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Munki Sim, Eunyoung Lee, Youngkook Kim, Junha Park, Hyoyoung Lee, Eunjae Jeong, Seokhwan Hwang, Mikyung Kim, Seunggak Yang
  • Patent number: 10705275
    Abstract: A composite film includes at least one phase difference layer, a substrate, and an inorganic layer, in which the phase difference layer is a layer formed by curing a composition including a liquid crystal compound, the inorganic layer includes silicon nitride, a distance between the substrate and a surface of the composite film is 60 ?m or less, with respect to each of the layers other than the substrate, a product E×t×1 of a modulus of elasticity E in unit of GPa, a thickness t in unit of ?m, and a distance 1 from a surface of the substrate to a center of each of the layer in unit of ?m satisfies Expression 1, and a total SUM(E×t×1) of E×t×1 of each of the layers other than the substrate satisfies Expression 2, 0.8?E×t×1 (Expression 1), SUM(E×t×1)?1500 (Expression 2); and the composite film.
    Type: Grant
    Filed: June 3, 2019
    Date of Patent: July 7, 2020
    Assignee: FUJIFILM Corporation
    Inventors: Yuya Motomura, Kenta Yamazaki, Shinichi Morishima
  • Patent number: 10707422
    Abstract: A method is provided for producing organic electrical layers having organic emitters that are phosphorescent at room temperature. Organic fluorescent emitters, together with organic complex ligands containing metal complexes, and at least one heavy main group metal, selected from the group comprising In, Tl, Sn, Pb, Sb and Bi, are deposited jointly inside a layer, and the heavy main group metal changes its coordination sphere by receiving the organic fluorescent emitter.
    Type: Grant
    Filed: May 8, 2014
    Date of Patent: July 7, 2020
    Assignee: SIEMENS AKTIENGESELLSCHAFT
    Inventors: Florian Kessler, Ana-Maria Krestel, Anna Maltenberger, Guenter Schmid, Dan Taroata
  • Patent number: 10700291
    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: January 23, 2019
    Date of Patent: June 30, 2020
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Hideko Inoue, Miki Kanamoto, Hiromi Seo, Satoshi Seo, Tatsuyoshi Takahashi, Tomoka Nakagawa
  • Patent number: 10700293
    Abstract: Compounds having the structure of Formula M(LA)x(LB)y and Formula III, are disclosed. In Formula M(LA)x(LB)y, Ligand LA is and ligand LB is a mono anionic bidentate ligand. In these compounds, metal M has an atomic number greater than 40; x is 1, 2, or 3; y is 0, 1, or 2; x+y is the oxidation state of metal M; L11 represents a linking group selected from alkyl, cycloalkyl, aryl, and heteroaryl; L12 represents a linking group selected from NR15 and PR15; each R1, R2, R3, R4, R5, R6, R11, R12, R13, R14, and R15 is independently selected from a group of substituents, wherein any adjacent substituents are optionally joined to form a fused or unfused ring; and LA and LB are optionally joined to form a ligand that is at least tetradentate. Formulations and devices, such as OLEDs, that include the compound of Formula M(LA)x(LB)y(LC)z are also described.
    Type: Grant
    Filed: January 18, 2018
    Date of Patent: June 30, 2020
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Geza Szigethy, Jason Brooks, Scott Beers, Nicholas J. Thompson
  • Patent number: 10700285
    Abstract: Provided are a compound of Formula 1 and an organic electric element including a first electrode, a second electrode, and an organic material layer between the first electrode and the second electrode and comprising the compound, the element showing improved luminous efficiency, stability, and life span.
    Type: Grant
    Filed: February 11, 2015
    Date of Patent: June 30, 2020
    Assignee: DUK SAN NEOLUX CO., LTD.
    Inventors: Soung Yun Mun, Sun-Hee Lee, Jung Cheol Park, DaeSung Kim, Bum Sung Lee, Seok hyun Kim
  • Patent number: 10693086
    Abstract: An organometallic compound represented by Formula 1: wherein, in Formula 1, groups and variables are the same as described in the specification.
    Type: Grant
    Filed: January 15, 2018
    Date of Patent: June 23, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Yongsuk Cho, Ohyun Kwon, Hyun Koo, Hwayoung Cho, Jongwon Choi, Yoonhyun Kwak, Byoungki Choi
  • Patent number: 10693107
    Abstract: An organic electroluminescence device having RGB pixel areas, wherein optical compensation layers are respectively arranged between the red light emitting layer and the first organic functional layer as well as between the green light emitting layer and the first organic functional layer, the optical compensation layers are made of a first hole transport material and a second hole transport material, the first hole transport material has a triplet-state energy level ?2.48 eV and a HOMO energy level ??5.5 eV, the second hole transport material has a HOMO energy level >?5.5 eV, and the difference between the HOMO energy level of the first hole transport material and the HOMO energy level of the second hole transport material is ?0.2 eV. Its preparation process is simple, and it can significantly reduce power consumption of the light-emitting device so as to increase light-emitting efficiency.
    Type: Grant
    Filed: December 29, 2015
    Date of Patent: June 23, 2020
    Assignees: BEIJING VISIONOX TECHNOLOGY CO., LTD., KUNSHAN NEW FLAT PANEL DISPLAY TECHNOLOGY CENTER CO., LTD., KUNSHAN GO-VISIONOX OPTO-ELECTRONICS CO., LTD.
    Inventors: Song Liu, Weiwei Li, Lin He
  • Patent number: 10693095
    Abstract: A light-emitting element having high emission efficiency which includes a fluorescent material as a light-emitting substance is provided. A light-emitting element includes a pair of electrodes and an EL layer between the pair of electrodes. The EL layer includes a light-emitting layer. The light-emitting layer includes a host material and a guest material. The host material has a difference of more than 0 eV and less than or equal to 0.2 eV between a singlet excitation energy level and a triplet excitation energy level. The guest material is capable of emitting fluorescence. The triplet excitation energy level of the host material is higher than a triplet excitation energy level of the guest material.
    Type: Grant
    Filed: January 19, 2018
    Date of Patent: June 23, 2020
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Satoshi Seo, Nobuharu Ohsawa, Shunsuke Hosoumi, Takahiro Ishisone
  • Patent number: 10686146
    Abstract: Provided a paracyclophane-based iridium complexes and the phosphorescent organic EL device employing the paracyclophane-based iridium complexes as light emitting dopant of emitting layer can display good performance like as lower driving voltage, power consumption, increasing efficiency and life time. Additional, the present invention provide the suitable emitting host (H1 to H8) to collocate with the energy level of paracyclophane-based iridium complexes for the present invention.
    Type: Grant
    Filed: February 13, 2017
    Date of Patent: June 16, 2020
    Inventors: Feng-Wen Yen, Cheng-Hao Cheng
  • Patent number: 10680182
    Abstract: The present specification provides a novel fluoranthene compound significantly improving the life span, efficiency, electrical and chemical stability and thermal stability of an organic electronic device, and an organic electronic device that contains the compound in an organic compound layer.
    Type: Grant
    Filed: November 19, 2013
    Date of Patent: June 9, 2020
    Assignee: LG CHEM, LTD.
    Inventors: Boonjae Jang, Dong Hoon Lee, Kongkyeom Kim, Minseung Chun, Dong Sik Kim, Kidong Koo, Minyoung Kang
  • Patent number: 10680189
    Abstract: Compounds are provided that comprise a ligand having a 5-substituted 2-phenylquinoline. In particular, the 2-phenylquinoline may be substituted with a cycloalkyl containing group at the 5-position. These compounds may be used in organic light emitting devices, in particular as red emitters in the emissive layer of such devices, to provide devices having improved properties.
    Type: Grant
    Filed: May 25, 2018
    Date of Patent: June 9, 2020
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Chuanjun Xia, Bin Ma, David Zenan Li, Bert Alleyne, Alan DeAngelis, James Fiordeliso, Vadim Adamovich
  • Patent number: 10672999
    Abstract: Gold(III) emitters showing high emission quantum efficiency and stable in thermal deposition process are described. High performance OLEDs can be fabricated from these emitters.
    Type: Grant
    Filed: April 13, 2016
    Date of Patent: June 2, 2020
    Assignee: THE UNIVERSITY OF HONG KONG
    Inventor: Chi-Ming Che
  • Patent number: 10665792
    Abstract: The invention relates to an organic molecule, especially for use in optoelectronic components.
    Type: Grant
    Filed: August 24, 2017
    Date of Patent: May 26, 2020
    Assignee: CYNORA GMBH
    Inventors: Larissa Bergmann, Daniel Zink
  • Patent number: 10665810
    Abstract: An organic light-emitting device including: a first electrode; a second electrode facing the first electrode; a first emission unit and a second emission unit between the first electrode and the second electrode; and a first charge generation layer between the first emission unit and the second emission unit; wherein the first emission unit includes a first emission layer and a first inorganic buffer layer, and the second emission unit includes a second emission layer and a second inorganic buffer layer.
    Type: Grant
    Filed: May 20, 2019
    Date of Patent: May 26, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Dongkyu Seo, Dongchan Kim, Wonjong Kim, Eungdo Kim, Jihye Lee, Dahea Im, Sanghoon Yim, Yoonhyeung Cho, Wonsuk Han
  • Patent number: 10665787
    Abstract: The invention relates to arylamino compounds and to the use thereof in electronic devices, for example organic electroluminescent devices. The invention furthermore relates to electronic devices comprising one or more of the said compounds, for example as hole-transport materials in a corresponding functional layer of the device. The invention furthermore relates to a process for the preparation of the said compounds, and to a formulation comprising one or more of the said compounds.
    Type: Grant
    Filed: May 23, 2018
    Date of Patent: May 26, 2020
    Assignee: Merck Patent GmbH
    Inventors: Philipp Stoessel, Frank Voges, Arne Buesing, Christof Pflumm, Teresa Mujica-Fernaud, Christian Wirges
  • Patent number: 10665807
    Abstract: Discussed is an organic light emitting display device. The organic light emitting display device may include an anode on a substrate, a first emission part that is disposed on the anode and includes a first emission layer and a first electron transfer layer, a second emission part that is disposed on the first emission part and includes a second emission layer and a second electron transfer layer, and a cathode on the second emission part. At least one among the first electron transfer layer and the second electron transfer layer may include a first material and a second material, and an absolute value of a LUMO energy level of the first material may be larger than an absolute value of a LUMO energy level of the second material.
    Type: Grant
    Filed: June 18, 2019
    Date of Patent: May 26, 2020
    Assignee: LG DISPLAY CO., LTTD.
    Inventor: EunJung Park
  • Patent number: 10662313
    Abstract: The present specification relates to an organic electronic device and a method for manufacturing the same.
    Type: Grant
    Filed: March 29, 2017
    Date of Patent: May 26, 2020
    Assignee: LG CHEM, LTD.
    Inventors: Doowhan Choi, Jaesoon Bae, Jiyoung Lee, Jaechol Lee
  • Patent number: 10658597
    Abstract: An organic electric element includes a first electrode, a second electrode, and an organic material layer between the first electrode and the second electrode. The organic material layer includes the compound represented by Formula 1. When the organic electric element includes the compound in the organic material layer, luminous efficiency, stability, and life span can be improved.
    Type: Grant
    Filed: July 30, 2014
    Date of Patent: May 19, 2020
    Assignee: DUK SAN NEOLUX CO., LTD.
    Inventors: Junghwan Park, Sunhee Lee, Wonsam Kim, Jaewan Jang, Hyeryeong Kim, Yuri Kim, Gyumin Lee, Yongwook Park
  • Patent number: 10658431
    Abstract: An organic light-emitting diode, a manufacturing method thereof and a display device are provided. The organic light-emitting diode includes: a base substrate, a first electrode and a second electrode disposed on the base substrate, a first light-emitting layer disposed between the first electrode and the second electrode, and a charge generation layer disposed between the first light-emitting layer and the second electrode, and the charge generation layer includes a first connection layer, a carrier injection layer and a second connection layer which are stacked in sequence; the first connection layer includes an electron transport material doped with a hole blocking material, and the second connection layer includes a hole transport material doped with an electron blocking material.
    Type: Grant
    Filed: February 22, 2017
    Date of Patent: May 19, 2020
    Assignee: BOE Technology Group Co., Ltd.
    Inventor: Chin Lung Liao
  • Patent number: 10658629
    Abstract: Disclosed is an organic electroluminescent element including a first electrode, a hole transport layer, a light emitting layer, an electron transport layer and a second electrode in this order. The light emitting layer has a first light emitting layer including a coating film on the hole transport layer side, and has a second light emitting layer including a vapor-deposited film on the electron transport layer side.
    Type: Grant
    Filed: June 8, 2018
    Date of Patent: May 19, 2020
    Assignee: JOLED INC.
    Inventors: Kazuhiro Yoneda, Noriyuki Matsusue
  • Patent number: 10651397
    Abstract: The present invention relates to an organic light emitting compound and an organic light emitting device comprising the same, and the organic light emitting device employing the organic light emitting compound according to the present invention can be driven at a lower voltage than existing devices employing a phosphorescent host material, and has excellent power efficiency, improved light emission efficiency, and long lifespan characteristics.
    Type: Grant
    Filed: October 10, 2014
    Date of Patent: May 12, 2020
    Assignee: SFC CO., LTD.
    Inventors: Bong-ki Shin, Bu-Bae Park, Ji-hee Park, Bong-hyang Lee, Kyung-Hwa Park
  • Patent number: 10644251
    Abstract: A novel compound having a formula Re(LA)(LB), wherein Re is a Rhenium(I) metal, wherein LA is a monoanionic tridentate ligand, wherein LB is a neutral tridentate ligand, and wherein LA and LB are optionally linked together to form a hexadentate ligand is disclosed.
    Type: Grant
    Filed: December 4, 2013
    Date of Patent: May 5, 2020
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Chuanjun Xia, Chun Lin
  • Patent number: 10636982
    Abstract: The present invention provides a novel iridium complex and an organic light-emitting device including the novel iridium complex. The novel iridium complex includes three ligands, and two of them have a phenyl-naphtho[2,1-f]isoquinoline skeleton. The present invention also provides a display apparatus including the organic light-emitting device and an electrophotographic image-forming apparatus including a light source including the organic light-emitting device and including a photosensitive member.
    Type: Grant
    Filed: January 20, 2014
    Date of Patent: April 28, 2020
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Shigemoto Abe, Jun Kamatani, Kengo Kishino, Akihito Saitoh, Naoki Yamada, Tetsuya Kosuge, Takayuki Horiuchi, Yosuke Nishide, Hirokazu Miyashita
  • Patent number: 10636978
    Abstract: A composition including a first compound is disclosed. The first compound is capable of functioning as a phosphorescent emitter in an organic light emitting device at room temperature; wherein the first compound has at least one aromatic ring and at least one substituent R; wherein each of the at least one R is an organic group having at least two atoms of X; wherein each X is independently selected from the group consisting of Si, and Ge; and wherein each of the at least one R is directly bonded to one of the aromatic rings.
    Type: Grant
    Filed: October 27, 2015
    Date of Patent: April 28, 2020
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Pierre-Luc T. Boudreault, Chuanjun Xia, Chun Lin
  • Patent number: 10636983
    Abstract: Imidazophenanthridine ligands and metal complexes are provided. The compounds exhibit improved stability through a linking substitution that links a nitrogen bonded carbon of an imidizole ring to a carbon on the adjacent fused aryl ring. The compounds may be used in organic light emitting devices, particularly as emissive dopants, providing devices with improved efficiency, stability, and manufacturing. In particular, the compounds provided herein may be used in blue devices having high efficiency.
    Type: Grant
    Filed: March 7, 2019
    Date of Patent: April 28, 2020
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Jason Brooks, Geza Szigethy, Glenn Morello, Jun Deng, Peter I. Djurovich, Hsiao-Fan Chen
  • Patent number: 10629829
    Abstract: An organometallic compound represented by Formula 1: wherein in Formula 1, CY1, R1 to R3, R11 to R13, R21, and b1 are the same as described in the specification.
    Type: Grant
    Filed: March 10, 2016
    Date of Patent: April 21, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Kyuyoung Hwang, Kum Hee Lee, Jiyoun Lee, Aram Jeon, Yoonhyun Kwak, Ohyun Kwon, Sangdong Kim, Byoungki Choi
  • Patent number: 10629822
    Abstract: A compound and an organic optoelectronic device are provided. The compound has the chemical formula (I): AB]n chemical formula (I). In the chemical formula (I): n denotes a positive integer and 1?n?5; a chemical group B has the following chemical formula (II): and a chemical group A has the following chemical formula (III) or (IV): In the chemical formula (II): R1 to R8 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. Y is selected from O, S, substituted or unsubstituted imino, substituted or unsubstituted methylene, and substituted or unsubstituted silylene, and 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. Ar is selected from C6 to C30 aryl, and C2 to C30 heteroaryl.
    Type: Grant
    Filed: May 18, 2017
    Date of Patent: April 21, 2020
    Assignees: SHANGHAI TIANMA AM-OLED CO., LTD., TIANMA MICRO-ELECTRONICS CO., LTD.
    Inventors: Xiangcheng Wang, Ying Liu, Hongyang Ren, Wei He, Chen Liu
  • Patent number: 10629830
    Abstract: An amine derivative represented by the following General Formula (1) is provided. In the above General Formula (1), Ar1, Ar2 and Ar3 are independently a substituted or unsubstituted aryl group or a substituted or unsubstituted heteroaryl group, at least one of Ar1, Ar2 and Ar3 is substituted with a substituted or unsubstituted silyl group, and L is a single bond, a substituted or unsubstituted arylene group, or a substituted or unsubstituted heteroarylene group.
    Type: Grant
    Filed: September 27, 2017
    Date of Patent: April 21, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Junta Fuchiwaki, Hiromi Oyama, Yasuo Miyata, Naoya Sakamoto, Masatsugu Ueno, Ichinori Takada
  • Patent number: 10629819
    Abstract: The objective of the present invention is to provide: a compound capable of ensuring high light-emitting efficiency and low driving voltage of an element, and increasing the lifespan thereof; an organic electrical element using compound; and an electronic device comprising the same.
    Type: Grant
    Filed: December 3, 2018
    Date of Patent: April 21, 2020
    Assignee: Duk San Neolux Co., Ltd
    Inventors: Jae Wan Jang, Ho Young Jung, Seul-gi Kim, Won Sam Kim, Ji Hun Byun, Jung Hwan Park, Sun Phil Hwang