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).

  • Patent number: 10975113
    Abstract: An organometallic complex including a ligand LA having a structure represented by one of the following formulas Formula III useful as emitters in OLEDs is provided.
    Type: Grant
    Filed: April 9, 2018
    Date of Patent: April 13, 2021
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Hsiao-Fan Chen, Chun Lin, Jerald Feldman, Zhiqiang Ji, Daniel W. Silverstein
  • Patent number: 10975049
    Abstract: The present invention discloses a nicotinyl alcohol ether derivative, a preparation method therefor, and a pharmaceutical composition and uses thereof. Specifically, the invention relates to nicotinyl alcohol ether derivatives represented by formula (I), a pharmaceutically-acceptable salt thereof, a stereoisomer thereof, a preparation method therefor, a pharmaceutical composition containing the one or more compounds, and uses of the compounds in treating diseases related to PD-1/PD-L1 signal channels, such as cancers, infectious diseases and autoimmune diseases.
    Type: Grant
    Filed: May 23, 2017
    Date of Patent: April 13, 2021
    Assignees: Institute of Materia Medica, Chinese Academy of Medical Sciences, Tianjin Chase Sun Pharmaceutical Co., LTD
    Inventors: Zhiqiang Feng, Xiaoguang Chen, Yang Yang, Yi Zheng, Fangfang Lai, Ming Ji, Chuan Zhou, Lijing Zhang, Ke Wang, Nina Xue, Ling Li
  • Publication number: 20210098717
    Abstract: A compound including a first ligand LA of Formula I, is disclosed. In Formula I, ring B is a 5- or 6-membered ring; X1, X2, and X3 are each CRA or N; R is a 5- or 6-membered carbocyclic or heterocyclic ring, which can be further fused or substituted; and (1) when ring B is an unfused 6-membered ring, X1 and X2 are N, and X3 is C; and (2) when ring B is a fused 6-membered ring, ring B has the structure of Formula II, In this structure, the wavy line indicates the point of connection to ring A; Q1 to Q6 are each C or N; and, when proviso (2) applies, (I) at least one of X1, X2, and X3 is N; or (II) R is two or more fused or unfused 5- or 6-membered carbocyclic or heterocyclic rings, or (III) both.
    Type: Application
    Filed: September 16, 2020
    Publication date: April 1, 2021
    Applicant: UNIVERSAL DISPLAY CORPORATION
    Inventors: Zhiqiang JI, Pierre-Luc T. BOUDREAULT, Wei-Chun SHIH, Walter YEAGER, Bert ALLEYNE
  • Publication number: 20210095196
    Abstract: Provided are compounds including a ligand LA of that are useful as emitters in OLEDs, where at least one of RA and RB is
    Type: Application
    Filed: September 16, 2020
    Publication date: April 1, 2021
    Applicant: Universal Display Corporation
    Inventors: Walter YEAGER, Zhiqiang JI, Pierre-Luc T. BOUDREAULT
  • Patent number: 10964895
    Abstract: An OLED incorporating a first emitting compound in its emissive layer is disclosed. The first emitting compound has the formula G1-Z, Formula I, where G1 is an electron acceptor group; and Z is an electron donor group, where Z has the formula: wherein each of R1 and R2 independently represents no substitution to the maximum allowable substitution; wherein R1 and R2 are 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; and wherein two or more of R1 and R2 substitutions are optionally joined or fused into a ring.
    Type: Grant
    Filed: February 13, 2020
    Date of Patent: March 30, 2021
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Chun Lin, Zhiqiang Ji
  • Patent number: 10957861
    Abstract: Compounds of Formula I containing indolocarbazole and aromatic and/or heteroaromatic building blocks are useful for application in organic electroluminescent devices.
    Type: Grant
    Filed: December 13, 2016
    Date of Patent: March 23, 2021
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Alexey Borisovich Dyatkin, Zhiqiang Ji, Lichang Zeng, Chuanjun Xia
  • Patent number: 10957866
    Abstract: New metal complexes containing a substituted fused aromatic moiety is disclosed. The substituents on the fused aromatic moiety fine-tune molecular energy levels and solid-state self-assembly, conducive to improved material performance in devices useful for phosphorescent organic light emitting devices.
    Type: Grant
    Filed: May 19, 2017
    Date of Patent: March 23, 2021
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Lichang Zeng, Mingjuan Su, Edward Barron, Zhiqiang Ji, Chuanjun Xia
  • Publication number: 20210070792
    Abstract: Provided are compounds of Formula Ir(LA)X(LC)y, wherein: ligand LA has Formula I? and ligand LC has Formula II?
    Type: Application
    Filed: August 6, 2020
    Publication date: March 11, 2021
    Applicant: Universal Display Corporation
    Inventors: Wei-Chun SHIH, Zhiqiang JI, Pierre-Luc T. BOUDREAULT, Hsiao-Fan CHEN, Tongxiang LU
  • Publication number: 20210070791
    Abstract: A compound comprising a first ligand LA having the formula Formula I, is disclosed. In Formula I, ring A is a five- or six-membered carbocyclic or heterocyclic ring; Y1 is selected from carbon and nitrogen; each of X1 to X4 is C or N; at least two adjacent R2s of ring B form a fused structure having the following formula: ring C is fused to ring B and the wavy lines are bonds attached to ring B; ring D and ring E are either a 5-membered aromatic ring or a 6-membered aromatic ring; each R1, R2, R3, RA, RB, RC, and RD is independently selected from a variety of substituents; ligand LA is coordinated to a metal M and, optionally, linked with other ligands; and M is optionally coordinated to other ligands. Organic light emitting devices and consumer products containing the compounds are also disclosed.
    Type: Application
    Filed: November 18, 2020
    Publication date: March 11, 2021
    Applicant: Universal Display Corporation
    Inventors: Zhiqiang Ji, Chun LIN, Jui-Yi TSAI
  • Patent number: 10941129
    Abstract: The present invention discloses a benzyl phenyl ether derivative, a preparation method therefor, and a pharmaceutical composition and uses thereof. Specifically, the invention relates to benzyl phenyl ether derivatives represented by formula (I), a pharmaceutically-acceptable salt thereof, a stereoisomer thereof, a preparation method therefor, a pharmaceutical composition containing the one or more compounds, and uses of the compounds in treating diseases related to PD-1/PD-L1 signal channels, such as cancers, infectious diseases and autoimmune diseases.
    Type: Grant
    Filed: May 23, 2017
    Date of Patent: March 9, 2021
    Assignees: Institute of Materia Medica, Chinese Academy of Medical Sciences, Tianjin Chase Sun Pharmaceutical Co., LTD
    Inventors: Zhiqiang Feng, Xiaoguang Chen, Yang Yang, Fangfang Lai, Ming Ji, Lijing Zhang, Yi Zheng, Nina Xue, Ke Wang, Ling Li
  • Patent number: 10944062
    Abstract: The present invention includes novel transition metal complexes of bidentate ligands containing benzofused imidazole moieties. The materials are useful for application in organic electroluminescence devices.
    Type: Grant
    Filed: April 26, 2018
    Date of Patent: March 9, 2021
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Jerald Feldman, Jui-Yi Tsai, Alexey Borisovich Dyatkin, Zhiqiang Ji, Mingjuan Su, Tongxiang (Aaron) Lu
  • Publication number: 20210047354
    Abstract: Provided are compounds having a ligand LA of Formula I that are useful as emissive compounds in organic light emitting devices.
    Type: Application
    Filed: July 28, 2020
    Publication date: February 18, 2021
    Applicant: Universal Display Corporation
    Inventors: Wei-Chun SHIH, Hsiao-Fan CHEN, Pierre-Luc T. BOUDREAULT, Bert ALLEYNE, Zhiqiang JI
  • Publication number: 20210050529
    Abstract: Provided are a compound of Formula I Ir(LA)x(LB)y(LC)z, where x is 1 or 2; y is 1 or 2; z is 0, or 1, with x+y+z=3; LA is a ligand of Formula II
    Type: Application
    Filed: July 24, 2020
    Publication date: February 18, 2021
    Applicant: Universal Display Corporation
    Inventors: Morgan C. MACINNIS, Zhiqiang JI, Jui-Yi TSAI, Alexey Borisovich DYATKIN, Pierre-Luc T. BOUDREAULT
  • Publication number: 20210040037
    Abstract: The present invention discloses a nicotinyl alcohol ether derivative, a preparation method therefor, and a pharmaceutical composition and uses thereof. Specifically, the invention relates to nicotinyl alcohol ether derivatives represented by formula (I), a pharmaceutically-acceptable salt thereof, a stereoisomer thereof, a preparation method therefor, a pharmaceutical composition containing the one or more compounds, and uses of the compounds in treating diseases related to PD-1/PD-L1 signal channels, such as cancers, infectious diseases and autoimmune diseases.
    Type: Application
    Filed: May 23, 2017
    Publication date: February 11, 2021
    Applicants: Institute of Materia Medica, Chinese Academy of Medical Sciences, Tianjin Chase Sun Pharmaceutical Co., LTD
    Inventors: Zhiqiang Feng, Xiaoguang Chen, Yang Yang, Yi Zheng, Fangfang Lai, Ming Ji, Chuan Zhou, Lijing Zhang, Ke Wang, Nina Xue, Ling Li
  • 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
  • Publication number: 20210024556
    Abstract: Provided are transition metal compounds having 5-membered carbocyclic or heterocyclic ring in a unique configuration of fused rings per Formula I The compounds show improved phosphorescent emission in red to near IR region and are useful as emitter materials in organic electroluminescence device.
    Type: Application
    Filed: June 30, 2020
    Publication date: January 28, 2021
    Applicant: Universal Display Corporation
    Inventors: Chun LIN, Pierre-Luc T. BOUDREAULT, Bert ALLEYNE, Zhiqiang JI, Suman LAYEK
  • Publication number: 20210028376
    Abstract: Provided are compounds useful in OLED application that have a structure of Formula I where: GD is a donor group and GA is an acceptor group; L1 and L2 are each independently an organic linker or a direct bond; G1 is a non-conjugated moiety; m is an integer of at least 1; n is an integer of at least 1; and when m, n are more than 1, each GD, GA, L1, L2 can be same or different.
    Type: Application
    Filed: July 7, 2020
    Publication date: January 28, 2021
    Applicant: Universal Display Corporation
    Inventors: Nicholas J. THOMPSON, Hsiao-Fan CHEN, Peter WOLOHAN, Zhiqiang JI, Chun LIN
  • Publication number: 20210024558
    Abstract: A compound including a first ligand LA having the structure of Formula I, is disclosed. In Formula I, rings A and B are each a 6-membered rings; Z1 and Z2 are each carbon or nitrogen; each RA and RB is independently hydrogen or a variety of substituents; any two substituents are optionally joined or fused into a ring; at least one RA or RB comprises an aromatic group substituted by a bridge structure, and this RA or RB joins with an adjacent substituent and fuses to ring A or B; the bridge structure comprises a backbone structure that forms a fused first ring; the backbone structure is saturated, comprises at least one heteroatom, and is optionally further substituted; and the ligand LA is coordinated to a metal M that can be coordinated to other ligands.
    Type: Application
    Filed: October 9, 2020
    Publication date: January 28, 2021
    Applicant: Universal Display Corporation
    Inventors: Zhiqiang JI, Lichang ZENG
  • Publication number: 20210024557
    Abstract: A compound having the formula [LA]3-nIr[LB]n is disclosed.
    Type: Application
    Filed: October 9, 2020
    Publication date: January 28, 2021
    Applicant: UNIVERSAL DISPLAY CORPORATION
    Inventors: Zhiqiang JI, Jui-Yi TSAI, Lichang ZENG, Alexey Borisovich DYATKIN, Walter YEAGER, Eric MARGULIES, Pierre-Luc T. BOUDREAULT
  • Publication number: 20210009615
    Abstract: A compound having the formula Ir(LA)n(LB)3?n, having the structure Formula I, is disclosed. In Formula I, each of Z1, Z2, Z3, and Z4 is CR2; X is O, S, or Se; n is an integer from 1 to 3; R1, R2, R3, R4, and R5 each independently represent mono- to a maximum possible number of substitutions, or no substitution; R1, R2, R3, R4, and R5 are each independently selected from a variety of substituents; any two substitutions in R1, R2, R3, R4, and R5 are optionally joined to form a ring; at least one pair of substitutions in R1, R2, R3, R4, and R5 are joined together to form a bridge structure comprising a backbone structure that forms a fused first ring, which can be further substituted; and the backbone structure is saturated. Organic light emitting devices and consumer products containing the compounds are also disclosed.
    Type: Application
    Filed: September 24, 2020
    Publication date: January 14, 2021
    Applicant: Universal Display Corporation
    Inventors: Lichang ZENG, Zhiqiang JI, Eric A. MARGULIES, Paul M. LAHTI, Michael S. WEAVER