Patents Examined by Dylan C Kershner
  • Patent number: 11903311
    Abstract: Provided is a heterocyclic compound of Chemical Formula 1: where X1 is O or S; L1 and L2 are each independently a single bond, a substituted or unsubstituted phenylene, a substituted or unsubstituted naphthylene, or a substituted or unsubstituted biphenylenyl; Y1 to Y3 are each independently N or CR3, provided that at least one of Y1 to Y3 is N; and Ar1a and Ar1b are each independently a substituted or unsubstituted C6-60 aryl or a substituted or unsubstituted C1-60 heteroaryl containing 1 to 3 heteroatoms selected from the group consisting of N, O and S; and an organic light emitting device comprising the same, where the compound of Chemical Formula 1 can be used as a material of an organic material layer of an organic light emitting device and can exhibit improved efficiency, a low driving voltage and/or improved lifetime characteristics of the organic light emitting device.
    Type: Grant
    Filed: June 15, 2017
    Date of Patent: February 13, 2024
    Assignee: LG Chem, Ltd.
    Inventors: Min Woo Jung, Dong Hoon Lee, Tae Yoon Park, Seong Mi Cho, Jeong Wook Mun, Jung Ha Lee, Mi Young Chae
  • Patent number: 11882760
    Abstract: An organic light-emitting device is provided to include: a first electrode; a second electrode facing the first electrode; an organic layer between the first electrode and the second electrode, the organic layer including an emission layer; and at least one organometallic compound represented by Formula 1: M1M2L,??Formula 1 wherein, in Formula 1, M1 is a first metal center, M2 is a second metal center, and L is a ligand including a first ligand site coordinated to the first metal center and a second ligand site coordinated to the second metal center, and the first ligand site and the second ligand site are linked by an indoloindole derivative.
    Type: Grant
    Filed: August 6, 2019
    Date of Patent: January 23, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Junghoon Han, Soobyung Ko, Sungbum Kim, Sujin Shin, Eunsoo Ahn, Eunyoung Lee, Jaesung Lee, Hyunjung Lee, Mina Jeon
  • Patent number: 11871655
    Abstract: The present specification relates to a coating composition for a hole injection or transporting layer or a charge generating layer of an organic electroluminescent device, the coating composition including: an organic metal complex including one or more of Group V, Group VI, and Group VII transition metals; an organic metal complex or metal salt including one or more of Group I, Group VIII, Group XI, and Group XII metals; and an organic solvent, and a method for manufacturing an organic electroluminescent device and an organic electroluminescent device using the same.
    Type: Grant
    Filed: May 10, 2017
    Date of Patent: January 9, 2024
    Inventors: Seokhee Yoon, Donggu Lee, Hwakyung Kim, Jae Hak Jeong, Jiyeon Shin, Daeho Kim, Jaesoon Bae, Jaechol Lee
  • Patent number: 11871652
    Abstract: A metal iridium complexes, devices containing the same, and formulations including the same described.
    Type: Grant
    Filed: June 11, 2019
    Date of Patent: January 9, 2024
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Chuanjun Xia, Bert Alleyne
  • Patent number: 11871657
    Abstract: Compounds capable of improving high luminous efficiency, low driving voltage, and a service life of a device such as an organic electric device and electronic devices that include the organic electric device.
    Type: Grant
    Filed: June 1, 2018
    Date of Patent: January 9, 2024
    Inventors: Jong Gwang Park, Yun Suk Lee, Yu Ri Kim, Yeon Hee Choi, Kyoung Chul Kim
  • Patent number: 11851423
    Abstract: Provided is a heterocyclic compound Chemical Formula 1 or 2: and an organic light emitting device comprising the same.
    Type: Grant
    Filed: July 19, 2018
    Date of Patent: December 26, 2023
    Assignee: LG Chem, Ltd.
    Inventors: Min Young Kang, Tae Yoon Park, Seongmi Cho, Jeong Wook Mun, Min Woo Jung, Jung Ha Lee
  • Patent number: 11832456
    Abstract: This invention discloses metal complexes containing a ligand comprising a carborane moiety. Organic electroluminescent devices comprising these metal complexes containing a carborane moiety in the light-emitting layer showed desired properties in term of external quantum efficiency (EQE), device lifetime (LT), and color purity as measured by CIE.
    Type: Grant
    Filed: April 15, 2021
    Date of Patent: November 28, 2023
    Assignee: Universal Display Corporation
    Inventors: Jui-Yi Tsai, Gregg Kottas
  • Patent number: 11825737
    Abstract: An organometallic compound represented by Formula 1: wherein, in Formula 1, groups and variables are the same as described in the specification. Organometallic compounds represented by Formula 1 may be suitable for use in an organic layer of an organic light emitting device.
    Type: Grant
    Filed: September 13, 2022
    Date of Patent: November 21, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jungin Lee, Kyuyoung Hwang, Soyeon Kim, Seongjun Yoon, Sunghun Lee, Hyeonho Choi, Byoungki Choi, Yoonhyun Kwak
  • Patent number: 11818949
    Abstract: The present invention relates in part to compounds containing indolocarbazole and terphenyl building blocks. These compounds are useful for application in organic electroluminescent devices wherein the combination of indolocarbazoles with terphenyl groups leads to novel compounds that demonstrate superior device performance.
    Type: Grant
    Filed: April 12, 2018
    Date of Patent: November 14, 2023
    Assignee: Universal Display Corporation
    Inventors: Lichang Zeng, Zhiqiang Ji, Walter Yeager, Alexey Borisovich Dyatkin, Chuanjun Xia, Ting-Chih (Carina) Wang, Bin Ma, Bert Alleyne, Vadim Adamovich
  • Patent number: 11818950
    Abstract: Provided is a thermally activated delayed fluorescent organic electroluminescent device having a low driving voltage, high luminous efficiency, and a long lifetime. The organic electroluminescent device includes light-emitting layers between an anode and a cathode opposite to each other, and at least one of the light-emitting layers contains a thermally activated delayed fluorescent material, or the thermally activated delayed fluorescent material and a host material. The thermally activated delayed fluorescent material is represented by the following general formula (1) where A represents an electron-withdrawing group, such as a CN group, and D1 and D2 each represent an electron-donating group having an indole ring structure.
    Type: Grant
    Filed: November 28, 2016
    Date of Patent: November 14, 2023
    Assignee: NIPPON STEEL CHEMICAL & MATERIAL CO., LTD.
    Inventors: Masashi Tada, Kazuaki Yoshimura, Atsushi Kawada, Katsuhide Noguchi, Yuta Sagara, Junya Ogawa
  • Patent number: 11800789
    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: August 1, 2017
    Date of Patent: October 24, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jongwon Choi, Kum Hee Lee, Banglin Lee, Yoonhyun Kwak, Ohyun Kwon, Sukekazu Aratani, Byoungki Choi
  • Patent number: 11800794
    Abstract: Disclosed are the compound for an organic optoelectronic device, the compound being represented by Chemical Formula 1, a composition for an organic optoelectronic device including the compound for an organic optoelectronic device, an organic optoelectronic device, and a display device. In Chemical Formula 1, each substituent is the same as defined in the specification.
    Type: Grant
    Filed: July 16, 2020
    Date of Patent: October 24, 2023
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Jihyun Lui, Changwoo Kim, Dong Wan Ryu, Chang Ju Shin, Hyung Sun Kim, Seungjae Lee, Jihun Shin, Sung-Hyun Jung, Ho Kuk Jung
  • Patent number: 11793063
    Abstract: A condensed-cyclic compound and an organic light-emitting device, the condensed-cyclic compound being represented by the following Formula 1:
    Type: Grant
    Filed: July 13, 2015
    Date of Patent: October 17, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventors: Seokhwan Hwang, Hyejin Jung, Sooyon Kim, Youngkook Kim, Mieun Jun, Sanghyun Han
  • Patent number: 11780855
    Abstract: A compound useful as a hole transport material for an organic electronic device, in particular, an organic electroluminescent (EL) device. The compound of the present specification is represented by the following General Formula (1).
    Type: Grant
    Filed: September 14, 2018
    Date of Patent: October 10, 2023
    Assignee: LG Chem, Ltd.
    Inventor: Hisayuki Kawamura
  • Patent number: 11785836
    Abstract: An organic electroluminescence device includes a first electrode, a second electrode, and an emission layer between the first electrode and the second electrode, wherein the emission layer includes a compound represented by Formula 1 below.
    Type: Grant
    Filed: March 4, 2020
    Date of Patent: October 10, 2023
    Assignee: Samsung Display Co., Ltd.
    Inventor: Akinori Yamatani
  • Patent number: 11778898
    Abstract: An organic light emitting device having an anode, a cathode and an organic layer disposed between the anode and the cathode is provided. In one aspect, the organic layer comprises a compound having at least one zwitterionic carbon donor ligand.
    Type: Grant
    Filed: February 22, 2019
    Date of Patent: October 3, 2023
    Assignees: The University of Southern California, Universal Display Corporation
    Inventors: Peter Djurovich, Jui-Yi Tsai, Chun Lin, Jason Brooks, Bert Alleyne, Mark E. Thompson, Peter B. Mackenzie, Bin Ma
  • Patent number: 11773123
    Abstract: An organometallic compound represented by Formula 1, an organic light-emitting device including the organometallic compound, and a diagnostic composition including the organometallic compound: wherein, in Formula 1, Y2, a ring CY2, R1 to R8, R20, A1 to A7 and d2 may be each independently the same as described in the specification.
    Type: Grant
    Filed: October 31, 2019
    Date of Patent: October 3, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Yongsuk Cho, Soyeon Kim, Jiyoun Lee, Jongwon Choi, Dmitry Kravchuk, Banglin Lee, Ohyun Kwon, Kyuhyun Im
  • Patent number: 11778902
    Abstract: The present disclosure relates to the field of display technologies, and particularly discloses an organic electroluminescent device. The organic electroluminescent device has a first electrode, a second electrode, and an organic functional layer. The organic functional layer comprises a light-emitting layer. The light-emitting layer comprises at least a host material and a guest material. The host material comprises an exciplex composed of a donor molecule and a receptor molecule, wherein the donor molecule and/or the receptor molecule contains a large steric hindrance substituent group X for increasing an inter-molecular distance between the donor molecule and the receptor molecule, which enables to enhance Foster energy transfer to the guest material molecule, improve device efficiency, inhibit Triplet-Polaron Annihilate Annihilation (TPA), and prolong the device lifetime.
    Type: Grant
    Filed: September 3, 2019
    Date of Patent: October 3, 2023
    Assignees: Kunshan Go-Visionox Opto-Electronics Co., Ltd., Tsinghua University
    Inventors: Lian Duan, Xiaozeng Song, Dongdong Zhang, Guomeng Li
  • Patent number: 11760769
    Abstract: A composition including a first compound including a compound represented by Formula 1, a second compound including a compound represented by Formula 2, and a third compound including a compound represented by Formula 3, and an organic light-emitting device including the composition: wherein the description of Formulae 1 to 3 are the same as described in the specification.
    Type: Grant
    Filed: October 31, 2019
    Date of Patent: September 19, 2023
    Assignees: SAMSUNG ELECTRONICS CO., LTD., SAMSUNG SDI CO., LTD.
    Inventors: Banglin Lee, Dongmin Kang, Soyeon Kim, Jiyoun Lee, Yongsuk Cho, Jongwon Choi, Dmitry Kravchuk, Dongyeong Kim, Junseok Kim, Namheon Lee, Byeonggwan Lee, Sangshin Lee, Yasushi Koishikawa
  • Patent number: 11758802
    Abstract: A composition including a first compound represented by Formula 1 and a second compound represented by Formula 2 and an organic light-emitting device including the composition: Formulae 1 and 2 may each be understood by referring to the descriptions thereof provided herein.
    Type: Grant
    Filed: October 31, 2019
    Date of Patent: September 12, 2023
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Banglin Lee, Soyeon Kim, Jiyoun Lee, Jongwon Choi, Dmitry Kravchuk, Sangdong Kim, Sukekazu Aratani, Yongsuk Cho