Patents Examined by Jay Yang
  • Organic compound, light-emitting element, light-emitting device, electronic device and lighting device
    Patent number: 11121326
    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: July 28, 2020
    Date of Patent: September 14, 2021
    Inventors: Hiroki Suzuki, Tomoya Yamaguchi, Hideko Yoshizumi, Satoshi Seo, Tatsuyoshi Takahashi, Hiromitsu Kido, Satomi Watabe
  • Compound, material for organic electroluminescent elements, organic electroluminescent element and electronic device
    Patent number: 11117857
    Abstract: A compound represented by formula (1) provides a high performance organic electroluminescence device and a novel material for realizing such an organic electroluminescence device: wherein R1 to R6, a to f, L1 to L3, and Ar are as defined in the description.
    Type: Grant
    Filed: August 1, 2016
    Date of Patent: September 14, 2021
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Tomoki Kato, Taro Yamaki, Masahiro Kawamura, Hirokatsu Ito
  • Organic light-emitting display panel and electronic device thereof
    Patent number: 11094905
    Abstract: An organic light-emitting display panel and an electronic device thereof are provided. The organic light-emitting display panel comprises a substrate, and a first electrode, a first light-emitting material layer, a second light-emitting material layer, and a second electrode disposed above the substrate in a preset order. The first light-emitting material layer includes at least one P-type host material and at least one N-type host, material, and a total volume percentage content of the P-type host material is more than a total volume percentage content of the N-type host material. The second light-emitting material layer includes at least one P-type host material and at least one N-type host material, and a total volume percentage content of the N-type host material is more than a total volume percentage content of the P-type host material.
    Type: Grant
    Filed: April 20, 2017
    Date of Patent: August 17, 2021
    Assignees: Shanghai Tianma AM-OLED Co., Ltd., Tianma Micro-Electronics Co., Ltd.
    Inventors: Yuji Hamada, Shuang Cheng, Xiangcheng Wang, Jinghua Niu, Zhihong Lei
  • Thin film of metal oxide, organic electroluminescent device including the thin film, photovoltaic cell including the thin film and organic photovoltaic cell including the thin film
    Patent number: 11094909
    Abstract: A thin film of amorphous metal oxide includes zinc (Zn), silicon (Si) and oxygen (O), the atomic ratio of Zn/(Zn+Si) being 0.30 to 0.95.
    Type: Grant
    Filed: June 10, 2016
    Date of Patent: August 17, 2021
    Assignee: JAPAN SCIENCE AND TECHNOLOGY AGENCY
    Inventors: Hideo Hosono, Yoshitake Toda, Toshinari Watanabe, Naomichi Miyakawa, Kazuhiro Ito, Satoru Watanabe, Akira Mitsui, Kazuto Ohkoshi
  • Organic electroluminescent device using aryl amine derivative containing heterocycle
    Patent number: 11094888
    Abstract: An organic electroluminescent device including: an anode, a cathode, an emitting layer formed of an organic compound and interposed between the cathode and the anode, and two or more layers provided in a hole-injecting/hole-transporting region between the anode and the emitting layer; of the layers which are provided in the hole-injecting/hole-transporting region, a layer which is in contact with the emitting layer containing a compound represented by the formula (1); and of the layers which are provided in the hole-injecting/hole-transporting region, a layer which is interposed between the anode and the layer which is in contact with the emitting layer containing an amine derivative represented by the formula (2).
    Type: Grant
    Filed: October 4, 2017
    Date of Patent: August 17, 2021
    Assignees: Idemitsu Kosan Co., Ltd., JOLED Inc.
    Inventors: Masahiro Kawamura, Emiko Kambe, Akifumi Nakamura, Yasunori Kijima, Tadahiko Yoshinaga, Shigeyuki Matsunami
  • Organic compound, light-emitting element, light-emitting device, electronic device and lighting device
    Patent number: 11088333
    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: July 28, 2020
    Date of Patent: August 10, 2021
    Inventors: Hiroki Suzuki, Tomoya Yamaguchi, Hideko Yoshizumi, Satoshi Seo, Tatsuyoshi Takahashi, Hiromitsu Kido, Satomi Watabe
  • Organic electroluminescent materials and devices
    Patent number: 11081647
    Abstract: The present invention relates to novel light-emitting materials. These materials comprise a non-aromatic spiro polycyclic group. This new side chain could reduce the stacking of the light-emitting materials and result in high PLQY.
    Type: Grant
    Filed: April 11, 2017
    Date of Patent: August 3, 2021
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Lichang Zeng, Chuanjun Xia
  • Light-emitting element, display device, electronic device, and lighting device
    Patent number: 11072623
    Abstract: Provided is a light-emitting element including a first organic compound, a second organic compound, and a guest material. The LUMO level of the first organic compound is lower than that of the second organic compound. The HOMO level of the first organic compound is lower than that of the second organic compound. The LUMO level of the guest material is higher than that of the first organic compound. The HOMO level of the guest material is higher than that of the second organic compound. An energy difference between the LUMO level and the HOMO level of the guest material is larger than an energy difference between the LUMO level of the first organic compound and the HOMO level of the second organic compound. The guest material can convert triplet excitation energy into light emission. The combination of first organic compound and the second organic compound can form an exciplex.
    Type: Grant
    Filed: July 15, 2016
    Date of Patent: July 27, 2021
    Inventors: Satoshi Seo, Takao Hamada
  • Organic light emitting compounds and organic light emitting devices including the same
    Patent number: 11075343
    Abstract: Disclosed is an organic light emitting compound represented by Formula 1: HAr1—(L)n—HAr2??(1); an organic light emitting device including the organic light emitting compound of Formula 1: and an organic light emitting device including the organic light emitting compound of Formula 1 as a first compound and a second compound represented by Formula 2: HAr3—(L)n—HAr4??(2) .
    Type: Grant
    Filed: January 13, 2017
    Date of Patent: July 27, 2021
    Assignee: SFC CO., LTD.
    Inventors: Se-jin Lee, Taejung Yu, Seok-bae Park, Byung-sun Yang, Su-Jin Lee, Bong-Hyang Lee, Yeongtae Choi
  • Material for organic electroluminescence device and organic electroluminescence device using the same
    Patent number: 11069862
    Abstract: Provided are an organic electroluminescence device, which shows high luminous efficiency, is free of any pixel defect, and has a long lifetime, and a material for an organic electroluminescence device for realizing the device. The material for an organic electroluminescence device is a compound having a n-conjugated heteroacene skeleton crosslinked with a carbon atom, nitrogen atom, oxygen atom, or sulfur atom. The organic electroluminescence device has one or more organic thin film layers including a light emitting layer between a cathode and an anode, and at least one layer of the organic thin film layers contains the material for an organic electroluminescence device.
    Type: Grant
    Filed: October 17, 2017
    Date of Patent: July 20, 2021
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Tomoki Kato, Masaki Numata, Kazuki Nishimura, Toshihiro Iwakuma, Chishio Hosokawa
  • Organic electron transport material and organic electroluminescent element using same
    Patent number: 11063223
    Abstract: An organic electron transport material, which includes a phosphine oxide derivative represented by the following Formula (1): R1 represents an atomic group which has one or more of either or both of aryl and heteroaryl groups and may have one or more phosphine oxide groups, R2 to R11 each independently represent an atom or an atomic group selected from the group consisting of a hydrogen atom, a halogen atom, a cyano group, a nitro group, a carboxyl group, a formyl group, a carbonyl group, an alkoxycarbonyl group, and a trifluoromethyl group.
    Type: Grant
    Filed: November 16, 2016
    Date of Patent: July 13, 2021
    Assignee: Dyden Corporation
    Inventors: Masataka Watanabe, Masanobu Kotsubo, Tomoko Fukushima, Izumi Maki, Mitsuharu Noto
  • Organic light-emitting device
    Patent number: 11056664
    Abstract: An organic light-emitting device includes a first electrode and a second electrode facing the first electrode. An organic layer is disposed between the first electrode and the second electrode. The organic layer includes an emission layer, a first compound and a second compound.
    Type: Grant
    Filed: June 21, 2017
    Date of Patent: July 6, 2021
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Se-Hun Kim, Hwan-Hee Cho, Jin-Soo Hwang
  • Organic optoelectronic component and method for producing the same
    Patent number: 11056660
    Abstract: The invention relates to an organic optoelectronic component (10) comprising a first electrode layer (2), having a doped matrix material and metal nanowires, an organic active layer (3), which is suitable for emitting or detecting electromagnetic radiation, and a second electrode layer (6). The organic active layer (3) is directly adjacent to the first electrode layer (2). The invention further relates to a method for producing the organic optoelectronic component (10).
    Type: Grant
    Filed: May 20, 2015
    Date of Patent: July 6, 2021
    Assignee: PICTIVA DISPLAYS INTERNATIONAL LIMITED
    Inventors: Silke Scharner, Daniel Riedel, Arne Fleissner, Thomas Wehlus, Nina Riegel, Johannes Rosenberger
  • Material for organic electroluminescent device and organic electroluminescent device including the same
    Patent number: 11050025
    Abstract: A material for an organic electroluminescent device having high emission efficiency and long life and an organic electroluminescent device including the same. The material for an organic electroluminescent device is represented by the following Formula 1.
    Type: Grant
    Filed: March 10, 2016
    Date of Patent: June 29, 2021
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hiroaki Itoi, Ichinori Takada, Koushin Matsuoka, Masatsugu Ueno, Naoya Sakamoto, Hiromi Nakano, Nobutaka Akashi, Hideo Miyake, Xiulan Jin, Asami Sakamoto, Junta Fuchiwaki
  • Charge transporting material, organic electroluminescent element, light emitting device, display device and illumination device
    Patent number: 11038122
    Abstract: A charge transporting material which allows for a low driving voltage and is superior in luminous efficiency and durability is provided. The charge transporting material comprising a compound represented by any one of the general formula (1-1) to (1-3) wherein R111 to R114, R121 to R125 and R131 to R135, L111 to L113, and L121 to L123 are as defined in the specification.
    Type: Grant
    Filed: July 8, 2019
    Date of Patent: June 15, 2021
    Assignee: UDC Ireland Limited
    Inventor: Kousuke Watanabe
  • Organometallic compound, organic light-emitting device including the organometallic compound, and diagnosis composition incluidng the organometallic compound
    Patent number: 11011711
    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: February 3, 2017
    Date of Patent: May 18, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Soyeon Kim, Yoonhyun Kwak, Ohyun Kwon, Hyeonho Choi, Hyun Koo, Youngjae Park
  • Metal complexes
    Patent number: 11005050
    Abstract: The present invention relates to metal complexes and to electronic devices, in particular organic electroluminescent devices, comprising these metal complexes.
    Type: Grant
    Filed: December 17, 2014
    Date of Patent: May 11, 2021
    Assignee: Merck Patent GmbH
    Inventors: Philipp Stoessel, Nils Koenen
  • Organic light emitting diode for high efficiency
    Patent number: 10998505
    Abstract: Disclosed herein is an organic light-emitting diode, comprising: a first electrode, a second electrode opposite the first electrode, and a light-emitting layer and an electron-density-controlling layer in that order between the first electrode and the second electrode, wherein the electron-density-controlling layer includes at least one selected from among compounds represented by Chemical Formulas A to D, and the light-emitting layer includes at least one anthracene compound represented by Chemical Formula H. The electron-density-controlling layer may be disposed between the light-emitting layer and an electron transport layer.
    Type: Grant
    Filed: July 5, 2016
    Date of Patent: May 4, 2021
    Assignee: SFC CO., LTD.
    Inventors: Soon-Wook Cha, Young-Hwan Park, Seo-Yeon Yoon, So Young Shim
  • Light-emitting element, display device, electronic device, and lighting device
    Patent number: 10998516
    Abstract: A light-emitting element having high luminous efficiency is provided. The light-emitting element includes a first organic compound, a second organic compound, and a third organic compound. The first organic compound and the second organic compound, in combination, are capable of forming an exciplex. The first organic compound is a phosphorescent compound and the third organic compound is a fluorescent compound. Light emitted from the light-emitting element includes light emitted from the third organic compound to which excitation energy is supplied from the exciplex formed by the first organic compound and the second organic compound.
    Type: Grant
    Filed: April 24, 2017
    Date of Patent: May 4, 2021
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Takahiro Ishisone, Satoshi Seo
  • Compound for organic electronic element, organic electronic element using the same, and an electronic device thereof
    Patent number: 10998502
    Abstract: Provided are a compound capable of improving the luminous efficiency, stability and life span of a device, an organic electric element using the same, and an electronic device thereof.
    Type: Grant
    Filed: June 21, 2017
    Date of Patent: May 4, 2021
    Assignee: DUK SAN NEOLUX CO., LTD.
    Inventors: Hyoung Keun Park, Yun Suk Lee, Ki Ho So, Jong Gwang Park, Yeon Seok Jeong, Jung Hwan Park, Sun Hee Lee, Hak young Lee