Patents Examined by Jay Yang
  • Patent number: 10529461
    Abstract: Disclosed are an organic heterocyclic compound represented by Chemical Formula A and an organic light-emitting diode comprising the same. wherein substituents R1 to R8, X1 to X4, W1, and Y1 are each as defined in the specification.
    Type: Grant
    Filed: May 30, 2017
    Date of Patent: January 7, 2020
    Assignee: SFC CO., LTD.
    Inventors: Se-jin Lee, Seok-Bae Park, Taejung Yu, Byung-sun Yang, Yeong-tae Choi
  • Patent number: 10522769
    Abstract: This invention discloses iridium complexes with benzothienoquinoline, benzofuroquinoline, benzoselenophenoquinoline, and benzosiloloquinoline ligands. These complexes can be used as phosphorescent emitters in OLEDs.
    Type: Grant
    Filed: July 6, 2016
    Date of Patent: December 31, 2019
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Chuanjun Xia, Pierre-Luc T. Boudreault
  • Patent number: 10522788
    Abstract: The present specification discloses an organic electroluminescent device including: an anode; a cathode; a light emitting layer provided between the anode and the cathode; and a light scattering layer provided between the light emitting layer and the cathode.
    Type: Grant
    Filed: May 31, 2013
    Date of Patent: December 31, 2019
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Mun Kyu Joo, Minsoo Kang, Jeamin Moon, Yun Hye Hahm, Seongsu Jang, Jina You, Jaein Lee
  • Patent number: 10505125
    Abstract: The present invention relates to: a compound for an organic optoelectronic diode, represented by a combination of chemical formulas 1 and 2; an organic optoelectronic diode comprising the same; and a display device comprising the organic optoelectronic diode. The detailed contents of formulas 1 and 2 are the same as those defined in the specification.
    Type: Grant
    Filed: February 17, 2016
    Date of Patent: December 10, 2019
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Kipo Jang, Youngkwon Kim, Byungku Kim, Byoungkwan Lee, Jinhyun Lui, Eun Sun Yu
  • Patent number: 10483488
    Abstract: An organic light-emitting element, including a substrate, a first electrode, a light-emitting layer containing one organic or more layer film, and a light-emitting element of a second electrode are disclosed. The light-emitting element is provided with a covering layer. For the organic material contained in covering layer, at least one point in the wavelength range between 430 nm and 460 nm the attenuation coefficient is greater than 0.10 while in the wavelength range of 460 nm to 500 nm its attenuation coefficient is 0.10 or below. The organic light-emitting element achieves high light-emitting efficiency and color reproducibility, and can be used as organic EL display, backlight source for liquid crystal display, illumination, light source for measurement devices, indication board or identification lamp etc.
    Type: Grant
    Filed: December 18, 2014
    Date of Patent: November 19, 2019
    Assignee: TORAY INDUSTRIES, INC.
    Inventors: Guangnan Jin, Peng Wang, Fangrong Xu, Lingzhi Zhong, Takeshi Ishigaki, Daisaku Tanaka, Takeshi Ikeda, Takuya Nishiyama
  • Patent number: 10468607
    Abstract: An organic electroluminescent element including 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, in which the organic layer includes a compound represented by the following general formula (1), has high luminous efficiency, excellent blue color purity, and a small change in the chromaticity due to deterioration by driving, wherein Cy, Dn1, Ac1, L1, L2, L3, ring Z1, u1, q1, n1, m1, A11, and A12 are as defined herein.
    Type: Grant
    Filed: August 2, 2012
    Date of Patent: November 5, 2019
    Assignee: UDC Ireland Limited
    Inventors: Koji Takaku, Tetsu Kitamura, Wataru Sotoyama, Yasunori Yonekuta, Toru Watanabe, Toshihiro Ise, Saki Takada
  • Patent number: 10461262
    Abstract: A condensed cyclic compound represented by Formula 1 and an organic light-emitting device including the same.
    Type: Grant
    Filed: December 21, 2016
    Date of Patent: October 29, 2019
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Munki Sim, Jeonga Oh, Hyejin Jung, Sanghyun Han, Sooyon Kim, Youngkook Kim, Taekyung Kim, Seokhwan Hwang
  • Patent number: 10446765
    Abstract: The present specification relates to a novel hetero-cyclic compound, and an organic light emitting device using the same.
    Type: Grant
    Filed: June 30, 2015
    Date of Patent: October 15, 2019
    Assignee: HEESUNG MATERIAL LTD.
    Inventors: Jung-Hyun Lee, Su-Jin Jung, Sang-Kyu Kang, Kee-Yong Kim, Dong-Jun Kim, Jin-Seok Choi, Dae-Hyuk Choi, Sung-Jin Eum, Joo-Dong Lee
  • Patent number: 10446764
    Abstract: Related are: an organic compound represented by Chemical Formula 1; a composition for an organic optoelectric device, which includes the organic compound; an organic optoelectric device that employs the organic compound or the composition; and a display device including the organic optoelectric device.
    Type: Grant
    Filed: April 17, 2015
    Date of Patent: October 15, 2019
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Soohyun Min, Youngkwon Kim, Jun Seok Kim, Jinhyun Lui, Eun Sun Yu, Sangshin Lee, Seungjae Lee, Hanill Lee, Hyungyu Lee, Sooyoung Jeong
  • Patent number: 10435390
    Abstract: The present specification relates to a hetero-cyclic compound and an organic light emitting device comprising the same.
    Type: Grant
    Filed: June 3, 2016
    Date of Patent: October 8, 2019
    Assignee: LG CHEM, LTD.
    Inventors: Min Woo Jung, Dong Hoon Lee, Jungoh Huh, Boonjae Jang, Minyoung Kang, Dong Uk Heo, Miyeon Han, Wanpyo Hong, Yongha Kim
  • Patent number: 10431750
    Abstract: The present invention relates to compounds of formula a process for their production and their use in electronic devices, especially electroluminescent devices. When used as host material for phosphorescent emitters in electroluminescent devices, the compounds of formula I may provide improved efficiency, stability, manufacturability, or spectral characteristics of electroluminescent devices.
    Type: Grant
    Filed: March 3, 2016
    Date of Patent: October 1, 2019
    Assignee: UDC Ireland Limited
    Inventors: Thomas Schaefer, Teresa Marina Figueira Duarte, Christian Schildknecht, Nicolle Langer, Ute Heinemeyer, Heinz Wolleb, Soichi Watanabe, Christian Lennartz, Gerhard Wagenblast, Annemarie Wolleb, Kristina Bardon, FLavio Luiz Benedito
  • Patent number: 10431747
    Abstract: The invention relates to quinoid compounds and their use in semiconductive matrix materials, electronic and optoelectronic structural elements.
    Type: Grant
    Filed: September 21, 2016
    Date of Patent: October 1, 2019
    Assignee: Novaled GmbH
    Inventors: Olaf Zeika, Ina Steudtner, Andrea Lux, Steffen Willmann
  • Patent number: 10424742
    Abstract: The organic EL device of the invention has, in order, an anode, a hole transport layer, a luminous layer, an electron transport layer and a cathode. The hole transport layer includes an indenoacridan derivative represented by the following general formula (1), and the luminous layer includes an N-aromatic substituted indenoindole compound and/or an N-aromatic substituted carbazole compound. In the formula, A1 is a divalent aromatic hydrocarbon group, a divalent aromatic heterocyclic group or a single bond, B is a monovalent aromatic hydrocarbon group; a monovalent aromatic heterocyclic group; or a disubstituted amino group having, as a substituent, a monovalent aromatic hydrocarbon group or a monovalent aromatic heterocyclic group; and R1 to R14 each represent a hydrogen atom or an alkyl group.
    Type: Grant
    Filed: August 6, 2015
    Date of Patent: September 24, 2019
    Assignees: HODOGAYA CHEMICAL CO., LTD., SFC CO., LTD
    Inventors: Shuichi Hayashi, Daizou Kanda, Shunji Mochiduki, Se-Jin Lee, Oun-gyu Lee, Bong-Ki Shin
  • Patent number: 10424741
    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 luminescent efficiency, stability, and life span.
    Type: Grant
    Filed: June 11, 2015
    Date of Patent: September 24, 2019
    Assignee: DUK SAN NEOLUX CO., LTD.
    Inventors: Bum Sung Lee, Yeon Hee Choi, Jung Cheol Park, Yong Wook Park, Hee Sun Ji, Moon Sung Kang, Seungwon Yeo
  • Patent number: 10411199
    Abstract: An organometallic complex represented by Chemical Formula 1: wherein M, CyN, CyC, X1, X2, R1 to R4, R? and n are described in the specification.
    Type: Grant
    Filed: June 19, 2013
    Date of Patent: September 10, 2019
    Assignees: SAMSUNG ELECTRONICS CO., LTD., CHEIL INDUSTRIES INC.
    Inventors: Chang Ho Noh, O Hyun Kwon, Ragini Das Rupasree, Dmitry Kravchuk, Hyeon Ho Choi
  • Patent number: 10396294
    Abstract: A carbazole compound represented by Formulae 1A or 1B: wherein in Formulae 1A and 1B, A, R1 to R4, and c1 to c3 are described in the specification.
    Type: Grant
    Filed: December 29, 2014
    Date of Patent: August 27, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Eigo Miyazaki, Hori Kazushige, Keita Tani, Norihito Ishii
  • Patent number: 10388886
    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: May 20, 2013
    Date of Patent: August 20, 2019
    Assignee: UDC Ireland Limited
    Inventor: Kousuke Watanabe
  • Patent number: 10381572
    Abstract: The present specification provides a hetero-cyclic compound and an organic light emitting device comprising the same.
    Type: Grant
    Filed: April 2, 2015
    Date of Patent: August 13, 2019
    Assignee: LG CHEM, LTD.
    Inventors: Boonjae Jang, Dong Hoon Lee, Dong Uk Heo, Miyeon Han, Minyoung Kang
  • Patent number: 10377740
    Abstract: The present specification provides a heterocyclic compound and an organic light emitting device including the same.
    Type: Grant
    Filed: September 13, 2016
    Date of Patent: August 13, 2019
    Assignee: LG Chem, Ltd.
    Inventors: Kichul Koo, Jungi Jang, Dong Uk Heo, Miyeon Han, Min Woo Jung
  • Patent number: 10381573
    Abstract: A compound represented by the general formula (1) is useful as a light-emitting material. In the general formula (1), from 0 to 1 of R3 to R5 represents a cyano group, from 1 to 5 of R1 to R5 represent a group represented by the general formula (2) etc., and the balance of R1 to R6 represent a hydrogen atom or a substituent other than above. R11 to R20 represent a hydrogen atom or a substituent, L12 represents a substituted or unsubstituted arylene group or a substituted or unsubstituted heteroarylene group.
    Type: Grant
    Filed: November 27, 2014
    Date of Patent: August 13, 2019
    Assignee: KYULUX, INC.
    Inventors: Chihaya Adachi, Takuma Yasuda, Ryosuke Kondo, Masaki Numata, Jun-Yun Kim, Inseob Park