Patents by Inventor Zhiqiang Ji

Zhiqiang Ji 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: 20220194974
    Abstract: Provided are organometallic compounds. Also provided are formulations comprising these organometallic compounds. Further provided are OLEDs and related consumer products that utilize these organometallic compounds.
    Type: Application
    Filed: November 9, 2021
    Publication date: June 23, 2022
    Applicant: UNIVERSAL DISPLAY CORPORATION
    Inventors: Wei-Chun SHIH, Zhiqiang JI, Pierre-Luc T. BOUDREAULT, Bert ALLEYNE, Suman LAYEK, Walter YEAGER
  • Publication number: 20220169670
    Abstract: Provided are organometallic compounds having a formula Ir(LA)(LB)(LC), wherein: ligand LA is ligand LB is and ligand LC is Also provided are formulations including these organometallic compounds. Further provided are OLEDs and related consumer products that utilize these organometallic compounds.
    Type: Application
    Filed: November 1, 2021
    Publication date: June 2, 2022
    Applicant: UNIVERSAL DISPLAY CORPORATION
    Inventors: Jui-Yi TSAI, George FITZGERALD, Alexey Borisovich DYATKIN, Zhiqiang JI, Pierre-Luc T. BOUDREAULT
  • Publication number: 20220173337
    Abstract: Provided are organometallic compounds. Also provided are formulations comprising these organometallic compounds. Further provided are OLEDs and related consumer products that utilize these organometallic compounds.
    Type: Application
    Filed: November 4, 2021
    Publication date: June 2, 2022
    Applicant: UNIVERSAL DISPLAY CORPORATION
    Inventors: Wei-Chun SHIH, Zhiqiang JI, Pierre-Luc T. BOUDREAULT, Bert ALLEYNE, Suman LAYEK, Walter YEAGER
  • Patent number: 11349087
    Abstract: Iridium complexes containing hexadentate ligands are disclosed. Multidentate iridium complexes of Formula II showed desired properties in term of EQE, LT, CIE, etc.
    Type: Grant
    Filed: July 8, 2019
    Date of Patent: May 31, 2022
    Assignee: Universal Display Corporation
    Inventors: Jui-Yi Tsai, Chuanjun Xia, Zhiqiang Ji
  • Publication number: 20220162243
    Abstract: Provided are organometallic compounds comprising a first ligand LA of Formula I Also provided are formulations comprising these organometallic compounds. Further provided are OLEDs and related consumer products that utilize these organometallic compounds.
    Type: Application
    Filed: November 1, 2021
    Publication date: May 26, 2022
    Applicant: UNIVERSAL DISPLAY CORPORATION
    Inventors: Wei-Chun SHIH, Zhiqiang JI, Pierre-Luc T. BOUDREAULT
  • Publication number: 20220165967
    Abstract: Provided are organometallic complexes including 5-membered heterocyclic rings. The compounds include a ligand LA having a structure of Also provided are formulations comprising these compounds. Further provided are OLEDs and related consumer products that utilize these compounds.
    Type: Application
    Filed: November 1, 2021
    Publication date: May 26, 2022
    Applicant: UNIVERSAL DISPLAY CORPORATION
    Inventors: Zhiqiang JI, Tongxiang LU, Wei-Chun SHIH, Pierre-Luc T. BOUDREAULT, George FITZGERALD
  • Patent number: 11342509
    Abstract: A compound including a first ligand LA selected from the following group: is disclosed.
    Type: Grant
    Filed: January 28, 2019
    Date of Patent: May 24, 2022
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Jui-Yi Tsai, Alexey Borisovich Dyatkin, Zhiqiang Ji
  • Patent number: 11342515
    Abstract: Ligands with fused spirocyclic substitutions and metal complexes formed with such ligands and having improved performance in OLED applications are disclosed.
    Type: Grant
    Filed: January 6, 2020
    Date of Patent: May 24, 2022
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Lichang Zeng, Suman Layek, Chuanjun Xia, Zhiqiang Ji, Edward Barron
  • Patent number: 11339182
    Abstract: A compound of Formula (LA)n-M-(LC)m, wherein the ligand LA is of Formula I, and the ligand LC is selected from Formula I that is different than ligand LA, a monoanionic bidentate ligand, or a monoanionic monodentate ligand. M is a metal; and n is 1 or 2, and m is 0, 1 or 2. Ring A is a 5-membered or 6-membered heteroaryl ring, which is bonded to Ring B; Z is selected from O or S; Z1 is selected from a carbene C or N; and Z2 is selected from C or N. Moreover, two adjacent ring carbons of Ring B will form a group of formula D, wherein * represents the point of attachment to the two adjacent ring carbons, Formula D, wherein X is selected from NRN, O, S, or Se; and RN is selected from the group consisting of hydrogen, deuterium, alkyl, cycloalkyl, heteroalkyl, aryl, heteroaryl, and combinations thereof; and Y1, Y2, Y3, and Y4 are independently CRY1, CRY2, CRY3, and CRY4, respectively, or N, and Ring D has no more than two nitrogen ring atoms.
    Type: Grant
    Filed: April 26, 2019
    Date of Patent: May 24, 2022
    Assignee: Universal Display Corporation
    Inventors: Jui-Yi Tsai, Alexey Borisovich Dyatkin, Zhiqiang Ji
  • Patent number: 11342513
    Abstract: A compound having the formula Ir(LA)(LB), where LA has a structure of Formula I and LB is a bidentate ligand is disclosed. In the structure of Formula I, rings A, B, C, and D are each independently 5- or 6-membered carbocyclic or heterocyclic rings; each of Z1 to Z8 is C or N; LA has at least one Ir—C bond; L is CR or N; each R1 R2, R3, and R4 is independently hydrogen or one of the preferred general substituents; and any two substituents may be joined or fused together to form a ring. Organic light emitting devices, consumer products, and formulations containing the compounds are also disclosed.
    Type: Grant
    Filed: March 29, 2019
    Date of Patent: May 24, 2022
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Jui-Yi Tsai, Alexey Borisovich Dyatkin, Zhiqiang Ji, Pierre-Luc T. Boudreault, Miguel A. Esteruelas, Llorenç Benavent, Ana M. Lopez, Enrique Oñate
  • Publication number: 20220158102
    Abstract: Provided are organometallic compounds 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: Application
    Filed: October 13, 2021
    Publication date: May 19, 2022
    Applicant: UNIVERSAL DISPLAY CORPORATION
    Inventors: Jui-Yi TSAI, Zhiqiang JI, Wei-Chun SHIH, Alexey Borisovich DYATKIN, Pierre-Luc T. BOUDREAULT, Hsiao-Fan CHEN
  • Publication number: 20220146812
    Abstract: A compound having a first ligand LA having the Formula: Formula I is disclosed, wherein rings A is a 5- or 6-membered carbocyclic or heterocyclic ring; wherein RA and RB each independently represent mono to the possible maximum number of substitution, or no substitution; wherein Z1 is carbon or nitrogen; wherein each RA and RB is independently selected from the group consisting of hydrogen, deuterium, halide, alkyl, cycloalkyl, heteroalkyl, arylalkyl, alkoxy, aryloxy, amino, silyl, alkenyl, cycloalkenyl, heteroalkenyl, alkynyl, aryl, heteroaryl, acyl, carbonyl, carboxylic acids, ester, nitrile, isonitrile, sulfanyl, sulfinyl, sulfonyl, phosphino, and combinations thereof; wherein any two substituents are optionally joined or fused into a ring; wherein X1 to X4 each independently represent a carbon or nitrogen; wherein at least one of X1 to X4 is nitrogen; wherein the ligand LA is coordinated to a metal M; wherein the metal M can be coordinated to other ligands; and wherein the ligand LA is optionally l
    Type: Application
    Filed: January 26, 2022
    Publication date: May 12, 2022
    Applicant: Universal Display Corporation
    Inventors: Jui-Yi TSAI, Alexey Borisovich Dyatkin, Zhiqiang Ji, Walter Yeager, Edward Barron
  • Publication number: 20220135606
    Abstract: A compound including a first ligand LX of Formula II is disclosed, where F is a 5-membered or 6-membered carbocyclic or heterocyclic ring; each RF and RG independently represents mono to the maximum possible number of substitutions, or no substitution; Z3 and Z4 are each independently C or N and coordinated to a metal M to form a 5-membered chelate ring; G is a fused ring structure comprising five or more fused heterocyclic or carbocyclic rings, of which one or two rings are of Formula III the fused heterocyclic or carbocyclic rings in the fused ring structure G are 5-membered or 6-membered; of which if two or more 5-membered rings are present, at least two of the 5-membered rings are fused to one another; Y can be one of BR?, NR?, PR?, O, S, Se, C?O, S?O, SO2, CR?R?, SiR?R?, and GeR?R?; the metal M can be coordinated to other ligands; and the ligand LX can be linked with other ligands to comprise a tridentate, tetradentate, pentadentate, or hexadentate ligand.
    Type: Application
    Filed: January 11, 2022
    Publication date: May 5, 2022
    Applicant: UNIVERSAL DISPLAY CORPORATION
    Inventors: JUI-YI TSAI, Alexey Borisovich Dyatkin, Zhiqiang Ji, Walter Yeager, Pierre-Luc T. Boudreault
  • Publication number: 20220119432
    Abstract: Provided are organometallic compounds of formula Os(LA)x(LB)y(LC)z, where LA has a structure of Formula I with the two indicated dashed lines for coordination to Os: Also provided are formulations comprising these organometallic compounds. Further provided are OLEDs and related consumer products that utilize these organometallic compounds.
    Type: Application
    Filed: September 29, 2021
    Publication date: April 21, 2022
    Applicant: UNIVERSAL DISPLAY CORPORATION
    Inventors: Zhiqiang JI, Wei-Chun SHIH, Pierre-Luc T. BOUDREAULT, Jui-Yi TSAI
  • Publication number: 20220123235
    Abstract: A compound having a structure of Formula I, is provided. In Formula I, X1-X7, Z1 and Z2 are each independently C or N; Z3 is selected from BR?, NR?, PR?, O, S, Se, C?O, S?O, SO2, CR?R?, SiR?R?, and GeRR?; L is selected from O, S, and NR; C1, C2, and C3 are all carbon atoms; the bonds represent single bond or double bond to fulfill the valency requirement of a neutral compound; each R1, R2, R3, R, R?, R?, RA, and RB is independently hydrogen or a substituent; and any two of R1, R2, R3, R, R?, R?, RA, and RB can be joined or fused together to form a ring. Further provided are OLEDs and related consumer products that utilize these compounds.
    Type: Application
    Filed: September 14, 2021
    Publication date: April 21, 2022
    Applicant: Universal Display Corporation
    Inventors: Jui-Yi TSAI, Alexey Borisovich DYATKIN, Zhiqiang JI, Wei-Chun SHIH, Walter YEAGER, Pierre-Luc T. BOUDREAULT
  • Publication number: 20220119434
    Abstract: An organometallic complex including a ligand LA having a structure represented by one of the following formula and coordinated to Ir is disclosed.
    Type: Application
    Filed: December 29, 2020
    Publication date: April 21, 2022
    Applicant: Universal Display Corporation
    Inventors: Hsiao-Fan CHEN, Chun LIN, Jerald FELDMAN, Zhiqiang JI, Daniel W. SILVERSTEIN
  • Publication number: 20220115606
    Abstract: Provided are organometallic compounds having a structure 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: Application
    Filed: September 9, 2021
    Publication date: April 14, 2022
    Applicant: Universal Display Corporation
    Inventors: Zhiqiang JI, Pierre-Luc T. BOUDREAULT, Wei-Chun SHIH, Jui-Yi TSAI
  • Publication number: 20220115604
    Abstract: Provided are compounds including a ligand LA of the following Formula I: that contain heavy elements like Sb, Bi, or Te. Also provided are formulations including such compounds. Further provided are OLEDs and related consumer products that utilize such compounds.
    Type: Application
    Filed: September 7, 2021
    Publication date: April 14, 2022
    Applicant: Universal Display Corporation
    Inventors: Wei-Chun SHIH, Zhiqiang Ji, Hsiao-Fan Chen, Pierre-Luc T. Boudreault
  • Publication number: 20220112228
    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: Application
    Filed: September 16, 2021
    Publication date: April 14, 2022
    Applicant: UNIVERSAL DISPLAY CORPORATION
    Inventors: Zhiqiang JI, Wei-Chun SHIH, Pierre-Luc T. BOUDREAULT
  • Patent number: 11302872
    Abstract: A composition of matter that includes a novel combination of host compounds containing indol-fused hosts and emissive dopants containing benzofuran or azabenzofuran ligand is disclosed,
    Type: Grant
    Filed: August 18, 2016
    Date of Patent: April 12, 2022
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Lichang Zeng, Vadim Adamovich, Alexey Borisovich Dyatkin, Walter Yeager, Chuanjun Xia, Zhiqiang Ji, Michael S. Weaver