Patents Examined by Rachel Simbana
  • Patent number: 12239014
    Abstract: A novel class of gold (III) compounds with thermally stimulated delayed phosphorescence (TSDP) properties, methods of making and use thereof are disclosed. The gold (III) compound includes a triazine-containing cyclometalating tridentate ligand and one auxiliary ligand, both coordinated to a gold (III) metal center. The gold (III) compounds can be used as light-emitting material for fabrication of OLEDs. A novel concept of TSDP to harvest light emission from the higher energy triplet excited state via the up-conversion from the lowest-energy triplet excited state by efficient spin-allowed reverse internal conversion is also disclosed.
    Type: Grant
    Filed: January 2, 2019
    Date of Patent: February 25, 2025
    Assignee: THE UNIVERSITY OF HONG KONG
    Inventors: Vivian Wing-Wah Yam, Man-Chung Tang, Ming-Yi Leung, Shiu-Lun Lai, Mei-Yee Chan
  • Patent number: 12232419
    Abstract: A compound represented by the following formula (1): wherein in the formula (1), rings X1 to X4 independently a substituted or unsubstituted benzene ring, or a substituted or unsubstituted 6-membered aromatic heterocyclic ring having one or two nitrogen atoms, and at least two of the rings X1 to X4 are independently fused with one or more selected from the group consisting of a substituted or unsubstituted hydrocarbon ring including 5 to 50 ring carbon atoms, and a substituted or unsubstituted heterocyclic ring including 5 to 50 ring atoms.
    Type: Grant
    Filed: February 24, 2021
    Date of Patent: February 18, 2025
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Ryota Takahashi, Keita Seda, Shota Sawano
  • Patent number: 12225814
    Abstract: Provided are: a compound for an organic optoelectronic diode; a composition for an organic optoelectronic diode including the same; an organic optoelectronic diode including the composition for the organic optoelectronic diode as a host; and a display device including the organic optoelectronic diode.
    Type: Grant
    Filed: December 31, 2018
    Date of Patent: February 11, 2025
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Changwoo Kim, Seungjae Lee, Hyung Sun Kim, Dong Wan Ryu, Chang Ju Shin, Kipo Jang, Sung-Hyun Jung, Juyeon Jung, Handong Chu
  • Patent number: 12221455
    Abstract: Provided are organometallic compounds including a ligand LA of Formula I: Also provided are formulations including these organometallic compounds. Further provided are OLEDs and related consumer products that utilize these organometallic compounds.
    Type: Grant
    Filed: September 9, 2021
    Date of Patent: February 11, 2025
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Alexey Borisovich Dyatkin, Jui-Yi Tsai, Walter Yeager, Pierre-Luc T. Boudreault, Zhiqiang Ji, Bert Alleyne
  • Patent number: 12180230
    Abstract: A compound selected from the group consisting of Formula I, Formula II, and Formula III, wherein ring A, ring B, and ring C are independently a five-membered or six-membered, carbocyclic or heterocyclic ring, each of which is optionally aromatic; ring W of Formula I is a 6-membered heterocyclic ring, and ring W of Formula II or Formula III is a 5-membered or 6-membered heterocyclic ring; L is a monodentate ligand with a metal coordinating member selected from the group consisting of C, N, O, S, and P; and M is a metal selected from the group consisting of Cu, Au, and Ag.
    Type: Grant
    Filed: November 15, 2018
    Date of Patent: December 31, 2024
    Assignee: UNIVERSITY OF SOUTHERN CALIFORNIA
    Inventors: Mark E. Thompson, Peter I. Djurovich, Rasha Hamze, Shuyang Shi, Moon Chul Jung
  • Patent number: 12144241
    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: September 4, 2018
    Date of Patent: November 12, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sunyoung Lee, Hyun Koo, Soyeon Kim, Jungin Lee, Hyeonho Choi, Kyuyoung Hwang, Yoonhyun Kwak, Ohyun Kwon
  • Patent number: 12096680
    Abstract: An organic light-emitting device includes: a first electrode; a second electrode; and an organic layer between the first electrode and the second electrode, the organic layer including an emission layer, wherein the emission layer includes an organometallic compound of Formula 1.
    Type: Grant
    Filed: January 11, 2018
    Date of Patent: September 17, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Mina Jeon, Soobyung Ko, Sungbum Kim, Heechoon Ahn, Mieun Jun, Youngkook Kim, Seokhwan Hwang
  • Patent number: 12091599
    Abstract: An ionic phosphorescent metal complex complex has a formula of [PtM3{(PR?2CH2)3P}(C?CR)(C?CR?)(?—Cl)]2+ An?2/n. M is selected from Au(I) and Ag(I). R, R? and R? are identical or different, and are independently selected from alkyl, alkenyl, alkynyl, aryl, and heteroaryl. Each of the alkyl, alkenyl, alkynyl, aryl, and heteroaryl may be substituted with one or more substituents selected from alkyl, alkenyl, alkynyl, alkoxy, amino, halogen, halogenated alkyl, aryl, and heteroaryl. The substituent is optionally further substituted with one or more of the following groups: alkyl, alkenyl, alkynyl, alkoxy, amino, halogen, halogenated alkyl, aryl, and heteroaryl. An? is a monovalent or divalent anion, n is 1 or 2, ?—represents bridging linkage. The organic light-emitting diode prepared by using the complex as the light-emitting layer dopant has an external quantum efficiency of 10% or more, and can be applied to the fields of flat panel display and daily lighting.
    Type: Grant
    Filed: April 15, 2019
    Date of Patent: September 17, 2024
    Assignee: FUJIAN INSTITUTE OF RESEARCH ON THE STRUCTURE OF MATTER, CHINESE ACADEMY OF SCIENCE
    Inventors: Zhongning Chen, Linxi Shi, Jinyun Wang
  • Patent number: 12089428
    Abstract: An organic light-emitting device including a first electrode, a second electrode facing the first electrode, and an organic layer disposed between the first electrode and the second electrode, wherein the organic layer includes an emission layer and an intermediate layer disposed between the first electrode and the emission layer, wherein the intermediate layer directly contacts the emission layer, and wherein the intermediate layer includes a first hole transport material, wherein the emission layer includes a host and a dopant, wherein the dopant is an organometallic compound, provided that the dopant does not comprise iridium, and wherein the organic light-emitting device satisfies certain parameters described in the specification.
    Type: Grant
    Filed: June 29, 2018
    Date of Patent: September 10, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hyun Koo, Seungyeon Kwak, Sangdong Kim, Sungjun Kim, Jiwhan Kim, Sunghun Lee, Jungin Lee, Seokhwan Hong, Kyuyoung Hwang
  • Patent number: 12077699
    Abstract: The present invention relates to: a dopant for an organic optoelectronic device, represented by chemical formula 1; an organic optoelectronic device including the dopant; and a display device.
    Type: Grant
    Filed: October 26, 2015
    Date of Patent: September 3, 2024
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Sangshin Lee, Mounggon Kim, Eun Sun Yu, Jun Yeob Lee
  • Patent number: 12063851
    Abstract: A nitrogen-containing aromatic heterocyclic derivative in which a nitrogen atom of an indenocarbazole skeleton optionally having a hetero atom or an indenoindole skeleton optionally having a hetero atom is bonded to a dibenzofuran or a dibenzothiophene directly or indirectly. The derivative realizes an organic EL device with a high emission efficiency and a long lifetime.
    Type: Grant
    Filed: July 9, 2018
    Date of Patent: August 13, 2024
    Assignee: IDEMITSU KOSAN CO., LTD.
    Inventors: Tomoki Kato, Nobuhiro Yabunouchi, Takahiro Fujiyama
  • Patent number: 12035615
    Abstract: Provided are an organic light-emitting device, an apparatus including the same, and an organometallic compound represented by Formula 1. The organic light-emitting device includes: a first electrode; a second electrode; and an organic layer between the first electrode and the second electrode and including an emission layer. The organic layer includes an organometallic compound represented by Formula 1.
    Type: Grant
    Filed: June 19, 2019
    Date of Patent: July 9, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Myeongsuk Kim, Byeongwook Yoo, Jimyoung Ye, Illhun Cho, Sunjae Kim, Jaeho Jeong
  • Patent number: 11974494
    Abstract: A polymer compound including a repeating unit represented by Formula 1: wherein, in Formula 1, groups and variables are the same as described in the specification.
    Type: Grant
    Filed: December 27, 2017
    Date of Patent: April 30, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Takahiro Fujiyama, Keisuke Korai, Katsunori Shibata, Daeyoung Chung, Eunjoo Jang, Taehyung Kim
  • Patent number: 11957044
    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: September 4, 2018
    Date of Patent: April 9, 2024
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jongwon Choi, Sukekazu Aratani, Kum Hee Lee, Banglin Lee, Hyeonho Choi, Seungyeon Kwak, Yoonhyun Kwak, Sangdong Kim, Jiwhan Kim, Chul Baik, Yongsuk Cho
  • Patent number: 11957050
    Abstract: A compound of Formula I wherein Y is selected from the group consisting of NAr, O, S, and Se; Ar is an optionally substituted aryl or optionally substituted heteroaryl; and Z1 to Z8 are independently selected from C or N, wherein at least one of Z2 or Z3 is C, and at least one of Z6 or Z7 is C. R is selected from the group consisting of deuterium, alkyl, cycloalkyl, heteroalkyl, arylalkyl, alkoxy, aryloxy, amino, silyl, alkenyl, cycloalkenyl, heteroalkenyl, aryl, heteroaryl, nitrile, isonitrile, sulfanyl, and combinations thereof; or optionally R can join with Ar to from a ring; and with the provisios that R is not N-methyl-benzimidazole, and the compound is not compound A.
    Type: Grant
    Filed: February 8, 2019
    Date of Patent: April 9, 2024
    Inventors: Suman Layek, Jerald Feldman, Peter Wolohan, Tongxiang Lu
  • Patent number: 11930662
    Abstract: A light emitting device includes a transparent organic light emitting device and a quarter-wave plate. The transparent organic light emitting device includes a chiral complex emitter and produces circularly polarized light, and the quarter-wave plate converts the circularly polarized light into linearly polarized light. Generating linearly polarized light includes generating circularly polarized light via a transparent organic light emitting device including a chiral complex emitter, and passing the circularly polarized light through a quarter-wave plate to yield linearly polarized light.
    Type: Grant
    Filed: June 3, 2016
    Date of Patent: March 12, 2024
    Assignee: Arizona Board of Regents on behalf of Arizona State University
    Inventor: Jian Li
  • Patent number: 11930699
    Abstract: Provided are compounds comprising a ligand LA of Formula I
    Type: Grant
    Filed: August 3, 2020
    Date of Patent: March 12, 2024
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Hsiao-Fan Chen, George Fitzgerald, Tyler Fleetham, Peter Wolohan, Joseph A. Macor, Morgan C. Macinnis, Wystan Neil Palmer, Geza Szigethy, Noah Horwitz
  • Patent number: 11917843
    Abstract: Circulene compounds of Formula I or Formula II, and organic light emitting devices (OLED) that include an organic layer disposed between an anode and a cathode, wherein the organic layer includes a compound of Formula I or Formula II. In addition, the OLED can be incorporated into one or more of a consumer product, for example, an electronic component module, and/or a lighting panel.
    Type: Grant
    Filed: June 21, 2018
    Date of Patent: February 27, 2024
    Assignee: Universal Display Corporation
    Inventors: Zhiqiang Ji, Bin Ma
  • Patent number: 11905445
    Abstract: According to the present invention, an organic light-emitting composite and a method of manufacturing the organic light-emitting composite are provided. According to exemplary embodiments, an organic light-emitting composite includes a polymer matrix; a first light-emitting material provided in the polymer matrix; and a second light-emitting material provided in the polymer matrix and obtained by oxidizing the first light-emitting material, wherein the second light-emitting material may have the same molecular weight as that of the first light emitting-material.
    Type: Grant
    Filed: January 22, 2019
    Date of Patent: February 20, 2024
    Assignees: POSTECH ACADEMY-INDUSTRY FOUNDATION, INSTITUTE FOR BASIC SCIENCE
    Inventors: Hee Cheul Choi, Jin Young Koo, Minkyung Lee
  • Patent number: 11903305
    Abstract: A compound having a structure of formula Ir(LA)m(LB)n, where ligand LA has Formula I and ligand LB has Formula II that is useful as an emitter in OLEDs is disclosed.
    Type: Grant
    Filed: September 7, 2019
    Date of Patent: February 13, 2024
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Pierre-Luc T. Boudreault, Bin Ma, Zhiqiang Ji, Alan Deangelis