Patents by Inventor Chuanjun Xia

Chuanjun Xia has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20210057656
    Abstract: This invention discloses iridium complexes with ligands based on a phenyl quinoline backbone with at least a double substitution on the quinoline moiety. These complexes can be used as phosphorescent emitters in OLEDs.
    Type: Application
    Filed: October 15, 2020
    Publication date: February 25, 2021
    Inventors: Pierre-Luc T. Boudreault, Chuanjun Xia, Harvey Wendt
  • Patent number: 10930866
    Abstract: A method of making an osmium(II) complex having Formula I, L1-Os-L2, wherein L1 and L2 are independently a biscarbene tridentate ligand, wherein L1 and L2 can be same or different is disclosed. The method includes (a) reacting a precursor of ligand L1 with an osmium precursor to form an intermediate product, wherein the osmium precursor having the formula OsHx(PR3)y, wherein x is an integer from 2 to 6 and y is an integer from 2 to 5, and R is selected from the group consisting of aryl, alkyl and cycloalkyl; and (b) reacting a precursor of ligand L2 with said intermediate product.
    Type: Grant
    Filed: February 7, 2020
    Date of Patent: February 23, 2021
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Chuanjun Xia, Jui-Yi Tsai, Beatriz Eguillor Armendariz, Miguel A. Esteruelas Rodrigo, Roberto Gomez Alabau, Montserrat Olivan Esco, Enrique Onate Rodriguez
  • Publication number: 20210050530
    Abstract: Organometallic compounds comprising an imidazole carbene ligand having a N-containing ring fused to the imidazole ring are provided. In particular, the N-containing ring fused to the imidazole ring may contain one nitrogen atom or more than one nitrogen atom. These compounds may demonstrate high photoluminescent (PL) efficiency, Gaussian emission spectra, and/or short excited state lifetimes. These materials may be especially useful as blue phosphorescent emitters.
    Type: Application
    Filed: November 2, 2020
    Publication date: February 18, 2021
    Applicant: Universal Display Corporation
    Inventors: Yonggang Wu, Chuanjun Xia, James Fiordeliso, Suman Layek, Bert Alleyne, Alexey Borisovich Dyatkin, Nasrin Ansari, Scott Beers, Edward Barron, Jason Brooks
  • Patent number: 10923660
    Abstract: Liquid formulation comprising a solute for fabricating an electronic device and a partially or fully deuterated solvent is disclosed. The liquid formulation can be used in the solution process of electronic devices, and can greatly enhance the device performance of solution processed OLEDs, especially lifetime. Also disclosed is a method of making an electronic device.
    Type: Grant
    Filed: September 19, 2018
    Date of Patent: February 16, 2021
    Assignee: Beijing Summer Sprout Technology Co., Ltd.
    Inventor: Chuanjun Xia
  • Publication number: 20210043857
    Abstract: A novel compound having the formula Os(L)n is disclosed, wherein Os is osmium(IV) metal, L is a ligand coordinating to the Os atom, and n is an integer from 1 to 6, wherein each L can be same or different, wherein at least one L is a multidentate ligand, and wherein the compound is neutral.
    Type: Application
    Filed: October 15, 2020
    Publication date: February 11, 2021
    Applicant: Universal Display Corporation
    Inventors: Jui-Yi TSAI, Chuanjun Xia, Miguel A. Esteruelas
  • Publication number: 20210036242
    Abstract: New organometallic complexes having bis- or tris-heteroleptic ligands and large aspect ratio in one direction and their use in OLEDs to enhance the efficiency is disclosed.
    Type: Application
    Filed: October 21, 2020
    Publication date: February 4, 2021
    Applicant: Universal Display Corporation
    Inventors: Zhiqiang JI, Lichang ZENG, Jui-Yi TSAI, Chun LIN, Chuanjun XIA, Alexey Borisovich DYATKIN, Walter YEAGER
  • Patent number: 10910564
    Abstract: Devices containing novel carbazole-containing compounds are provided. The novel compounds also contain electron donor groups, aryl linkers, and at least one nitrogen heterocycle. These novel organic compounds can exhibit delayed fluorescence in the devices.
    Type: Grant
    Filed: July 25, 2018
    Date of Patent: February 2, 2021
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Chuanjun Xia, Chun Lin, Raymond Kwong, Scott Joseph, James Esler
  • Patent number: 10889754
    Abstract: A compound having a Pt tetradentate structure of Formula 1, is provided. In the structure of Formula 1, rings C and D each independently represent 5- or 6-membered carbocyclic or heterocyclic ring; L1, L2, and L3 are each independently a direct bond, BR, NR, PR, O, S, Se, C?O, S?O, SO2, SiRR?, GeRR?, alkyl, cycloalkyl, or a combination thereof; the sum of n1 and n2 is 1 or 2; X is selected from NRE, O, S, and Se; X3 and X4 each independently carbon or nitrogen; and one of Q1, Q3, and Q4 is oxygen, and the remaining two of Q1, Q3, and Q4 each represents a direct bond. Formulations and devices, such as an OLEDs, that include the compound of Formula 1 are also described.
    Type: Grant
    Filed: October 18, 2018
    Date of Patent: January 12, 2021
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Bin Ma, Mingjuan Su, Alan Deangelis, Edward Barron, Chuanjun Xia
  • Patent number: 10892426
    Abstract: An OLED containing an emissive dopant that is a heteroleptic complex having the formula Ir(LA-B)2(LC-D) is disclosed.
    Type: Grant
    Filed: January 14, 2020
    Date of Patent: January 12, 2021
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Chuanjun Xia, Bert Alleyne, Raymond C. Kwong, James Fiordeliso, Michael S. Weaver, Nasrin Ansari, Alan Deangelis, Dinesh Rayabarapu, Vadim Adamovich
  • Publication number: 20200411774
    Abstract: An OLED including an organic layer that contains metal complex compounds that are useful as a phosphorescent emitter is disclosed. The metal complex compounds include ligands that incorporate fluorinated side chains and has at least one substituent R selected from the group consisting of partially fluorinated alkyl, partially fluorinated cycloalkyl, and combinations thereof, wherein R is directly bonded to an aromatic ring, In the compound, C having an F attached thereto is separated by at least one carbon atom from the aromatic ring.
    Type: Application
    Filed: September 11, 2020
    Publication date: December 31, 2020
    Applicant: Universal Display Corporation
    Inventors: Jui-Yi TSAI, Alexey Borisovich DYATKIN, Pierre-Luc T. BOUDREAULT, Walter YEAGER, Chuanjun XIA
  • Patent number: 10873036
    Abstract: This invention discloses novel ligands for metal complexes. These ligands contain a phenyl with an iso-quinoline (or other type of heterocycles) which are bridged together with a carbon substituted by two aliphatic side chains. The resulting light-emitting metal complexes exhibited high external quantum efficiency and better line shape.
    Type: Grant
    Filed: July 6, 2016
    Date of Patent: December 22, 2020
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Pierre-Luc T. Boudreault, Chuanjun Xia
  • Patent number: 10873038
    Abstract: Organometallic compounds comprising an imidazole carbene ligand having a N-containing ring fused to the imidazole ring are provided. In particular, the N-containing ring fused to the imidazole ring may contain one nitrogen atom or more than one nitrogen atom. These compounds may demonstrate high photoluminescent (PL) efficiency, Gaussian emission spectra, and/or short excited state lifetimes. These materials may be especially useful as blue phosphorescent emitters.
    Type: Grant
    Filed: April 10, 2018
    Date of Patent: December 22, 2020
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Yonggang Wu, Chuanjun Xia, James Fiordeliso, Suman Layek, Bert Alleyne, Alexey Borisovich Dyatkin, Nasrin Ansari, Scott Beers, Edward Barron, Jason Brooks
  • Patent number: 10868261
    Abstract: This invention discloses iridium complexes containing phenylpyridine ligand wherein there is an aryl or heterocyclic ring fused into phenyl ring. This invention also discloses organic light emitting devices comprising an anode, a cathode, and an organic layer disposed between the anode and the cathode, the organic layer comprising an iridium complex, and formulations comprising iridium complexes. The iridium complexes showed desired device performance.
    Type: Grant
    Filed: October 20, 2015
    Date of Patent: December 15, 2020
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Bin Ma, Chuanjun Xia
  • Patent number: 10862054
    Abstract: New organometallic complexes having bis- or tris-heteroleptic ligands and large aspect ratio in one direction and their use in OLEDs to enhance the efficiency is disclosed.
    Type: Grant
    Filed: June 9, 2017
    Date of Patent: December 8, 2020
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Zhiqiang Ji, Lichang Zeng, Jui-Yi Tsai, Chun Lin, Chuanjun Xia, Alexey Borisovich Dyatkin, Walter Yeager
  • Patent number: 10862046
    Abstract: The present invention relates to mechanically linked emitter-emitter, host-host, and emitter-host materials. These materials may be useful in organic electroluminescence devices.
    Type: Grant
    Filed: March 2, 2018
    Date of Patent: December 8, 2020
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Zhiqiang Ji, Chun Lin, Lichang Zeng, Chuanjun Xia
  • Patent number: 10854826
    Abstract: An OLED including an organic layer that contains metal complex compounds that are useful as a phosphorescent emitter is disclosed. The metal complex compounds include ligands that incorporate fluorinated side chains and has at least one substituent R selected from the group consisting of partially fluorinated alkyl, partially fluorinated cycloalkyl, and combinations thereof, wherein R is directly bonded to an aromatic ring. In the compound, C having an F attached thereto is separated by at least one carbon atom from the aromatic ring.
    Type: Grant
    Filed: March 5, 2018
    Date of Patent: December 1, 2020
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Jui-Yi Tsai, Alexey Borisovich Dyatkin, Pierre-Luc T. Boudreault, Walter Yeager, Chuanjun Xia
  • Patent number: 10847728
    Abstract: This invention discloses iridium complexes with ligands based on a phenyl quinoline backbone with at least a double substitution on the quinoline moiety. These complexes can be used as phosphorescent emitters in OLEDs.
    Type: Grant
    Filed: September 26, 2016
    Date of Patent: November 24, 2020
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Pierre-Luc T. Boudreault, Chuanjun Xia, Harvey Wendt
  • Patent number: 10847729
    Abstract: A novel compound having the formula Os(L)3 is disclosed, where Os is osmium(IV) metal, and L is a ligand coordinating to the Os atom, where each L can be same or different, where L is a bidentate ligand, and wherein the compound is neutral.
    Type: Grant
    Filed: June 21, 2018
    Date of Patent: November 24, 2020
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Jui-Yi Tsai, Chuanjun Xia, Miguel A. Esteruelas
  • Patent number: 10840458
    Abstract: Novel organic materials containing indolocarbazoles as donor connected with electron acceptors such as quinoxaline or dibenzoquinoxaline for PHOLED devices are disclosed.
    Type: Grant
    Filed: May 15, 2017
    Date of Patent: November 17, 2020
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Bin Ma, Alan Deangelis, Lichang Zeng, Chuanjun Xia, Jerald Feldman
  • Publication number: 20200354391
    Abstract: Disclosed is an organic light-emitting material including a 3-deuterium-substituted isoquinoline ligand. The organic light-emitting material is a metal complex including a 3-deuterium-substituted isoquinoline ligand and an acetylacetonate ligand, which can be used as a light-emitting material in a light-emitting layer of an organic electroluminescent device. These novel complexes can effectively prolong device lifetime. Further disclosed is an electroluminescent device including the metal complex and a compound formulation.
    Type: Application
    Filed: May 8, 2020
    Publication date: November 12, 2020
    Inventors: Qi ZHANG, Cuifang ZHANG, Chi Yuen Raymond KWONG, Chuanjun XIA