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: 20240415004
    Abstract: A compound comprising a first ligand LA of Formula I, is provided, where: each of moiety A and moiety B is a monocyclic ring or a polycyclic fused ring system; each of X1 to X4 and Z1 and Z2 is C or N; K1 and K2 are each a direct bond or a linker; L1 is a direct bond or an organic linker; each R?, R?, RA and RB is hydrogen or a General Substituent defined herein; and at least one RA or one RB comprises R*, where R* is an alkyl group, a silyl group, a germyl group, or a combination thereof. Formulations, OLEDs, and consumer products containing the compound are also provided.
    Type: Application
    Filed: May 8, 2024
    Publication date: December 12, 2024
    Applicant: Universal Display Corporation
    Inventors: Zhiqiang JI, Alexey Borisovich DYATKIN, Derek Ian WOZNIAK, Pierre-Luc T. BOUDREAULT, Henry Carl HERBOL
  • Publication number: 20240400594
    Abstract: Provided are organometallic compounds comprising a ligand LA which is at least bidentate and coordinated to a central metal atom selected from the group consisting of Ir, Rh, Re, Ru, Os, Pt, Pd, Ag, Au, and Cu. Also provided are formulations comprising these organometallic compounds. Further provided are organic light emitting devices (OLEDs) and related consumer products that utilize these organometallic compounds.
    Type: Application
    Filed: April 22, 2024
    Publication date: December 5, 2024
    Applicant: UNIVERSAL DISPLAY CORPORATION
    Inventors: Walter Yeager, Zhiqiang Ji, Jui-Yi Tsai, Derek Ian Wozniak
  • Publication number: 20240407248
    Abstract: Provided are organometallic compounds which comprise a ligand comprising a 6-membered aromatic carbocyclic or heterocyclic ring which is bond via a direct bond to a moiety which is a monocyclic 5-membered or 6-membered carbocyclic or heterocyclic ring or a polycyclic fused ring system comprising two or more 5-membered or 6-membered carbocyclic or heterocyclic rings. Also provided are formulations comprising these organometallic compounds. Further provided are organic light emitting devices (OLEDs) and related consumer products that utilize these organometallic compounds.
    Type: Application
    Filed: April 10, 2024
    Publication date: December 5, 2024
    Applicant: UNIVERSAL DISPLAY CORPORATION
    Inventors: Derek Ian Wozniak, Zhiqiang Ji, Pierre-Luc T. Boudreault
  • Publication number: 20240397809
    Abstract: A compound of Formula Ir(LA)p(LB)q(LC)r is provided, where ligand LA has a structure of Formula I, LB and LC are bidentate ligands; p is 1 or 2; the compound is heteroleptic; moieties A, B, and C are each monocyclic rings or polycyclic fused ring systems; Z1 and Z2 are C or N; K is a direct bond or a linker; each RA, RB, RC, or other R variable is hydrogen or a General Substituents defined herein; and any two substituents may be joined or fused to form a ring.
    Type: Application
    Filed: April 16, 2024
    Publication date: November 28, 2024
    Applicant: Universal Display Corporation
    Inventors: Zhiqiang JI, Pierre-Luc T. BOUDREAULT
  • Publication number: 20240397811
    Abstract: Provided are compounds having a first ligand LA of that are useful in OLEDs as emitters.
    Type: Application
    Filed: August 2, 2024
    Publication date: November 28, 2024
    Applicant: UNIVERSAL DISPLAY CORPORATION
    Inventors: Zhiqiang JI, Pierre-Luc T. BOUDREAULT, Jui-Yi TSAI, Miguel A. ESTERUELAS, Ana M. LOPEZ, Enrique OÑATE, Esther RAGA, Wei-Chun SHIH
  • Publication number: 20240381757
    Abstract: Provided is a compound having a formula of M(LA)(LB)(LC); where LA, LB and LC are each a bidentate ligand and are different from each other; M is selected from the group consisting of Ir, Os, Rh, Ru, Pt, and Pd; two or three of LA, LB and LC are optionally linked together to form a tetradentate or hexadentate ligand; LA has a structure of Formula I: where moieties A and B are each independently a monocyclic ring or a polycyclic fused ring system, where the monocyclic ring or each ring of the polycyclic fused ring system is independently a 5-membered to 10-membered carbocyclic or heterocyclic ring; X1 to X4 are each independently C or N; Z1 and Z2 are each independently C or N; K1 and K2 are each independently a direct bond, O, S, N(R?), P(R?), B(R?), C(R?)(R?), and Si(R?)(R?); Z1 is C if K1 is not a direct bond, Z2 is C if K2 is not a direct bond; L1 is a direct bond or an organic linker; RA and RB each independently represent mono to the maximum allowable substitution, or no substitution; wherein each R?
    Type: Application
    Filed: March 15, 2024
    Publication date: November 14, 2024
    Applicant: Universal Display Corporation
    Inventors: Wei-Chun SHIH, Zhiqiang JI, Geza SZIGETHY, Jui-Yi TSAI, Derek Ian WOZNIAK, Henry Carl HERBOL, Chun LIN, Jerald FELDMAN
  • Patent number: 12139501
    Abstract: Provided are compounds having a ligand LA of Formula I that are useful as emissive compounds in organic light emitting devices.
    Type: Grant
    Filed: July 28, 2020
    Date of Patent: November 12, 2024
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Wei-Chun Shih, Hsiao-Fan Chen, Pierre-Luc T. Boudreault, Bert Alleyne, Zhiqiang Ji
  • Publication number: 20240373735
    Abstract: Provided are organometallic compounds comprising a ligand which contains at least one group of three 5-membered or 6-membered carbocyclic or heterocyclic rings which are fused together so that they all share one central C or N atom. Also provided are formulations comprising these organometallic compounds. Further provided are organic light-emitting devices (OLEDs) and related consumer products that utilize these organometallic compounds.
    Type: Application
    Filed: April 16, 2024
    Publication date: November 7, 2024
    Applicant: UNIVERSAL DISPLAY CORPORATION
    Inventors: Derek Ian Wozniak, Zhiqiang Ji, Jerald Feldman, Pierre-Luc T. Boudreault
  • Publication number: 20240373737
    Abstract: Provided are organometallic compounds comprising two moieties A and B which are each independently a monocyclic ring or a polycyclic fused ring structure, wherein the monocyclic ring or each ring of the polycyclic fused ring structure is independently a 5-membered to 10-membered carbocyclic or heterocyclic ring which are linked by a direct bond and which are further bridged by a linker comprising two groups which are each independently selected from the group consisting of O, S, Se, NR, BR, BRR?, PR, CR, C?O, C?NR, C?CRR?, C?S, CRR?, SO, SO2, P(O)R, SiRR?, and GeRR?. Also provided are formulations comprising these organometallic compounds. Further provided are organic light emitting devices (OLEDs) and related consumer products that utilize these organometallic compounds.
    Type: Application
    Filed: February 12, 2024
    Publication date: November 7, 2024
    Applicant: UNIVERSAL DISPLAY CORPORATION
    Inventors: Zhiqiang JI, Pierre-Luc T. BOUDREAULT, Walter YEAGER, Derek Ian WOZNIAK, Wei-Chun SHIH, Alexey Borisovich DYATKIN, Hsiao-Fan CHEN, Elena SHEINA, Peter WOLOHAN, Wystan Neil PALMER
  • Publication number: 20240373738
    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. Such compounds can have a structure of Formula III, where rings A, B, C, and D are ring; L1 and L3 each a direct bond or a linking group; n1 and n2 are 0 or 1; if n1 or n2 is 1, then L2 or L4 is a direct bond or a linking group, and if n1 or n2 is 0, L2 or L4 is not present; Q1, Q2, Q3 and Q4 are a direct bond or oxygen; ring A is trans to ring D, ring B is trans to ring C in a square-planar coordination configuration; M2 is Pt, and the compound comprises at least one Pt-carbene bond.
    Type: Application
    Filed: December 19, 2023
    Publication date: November 7, 2024
    Applicant: Universal Display Corporation
    Inventors: Zhiqiang JI, Lichang ZENG, Jui-Yi TSAI, Chun LIN, Chuanjun XIA, Alexey Borisovich DYATKIN, Walter YEAGER
  • Patent number: 12137606
    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: Grant
    Filed: September 14, 2021
    Date of Patent: November 5, 2024
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Jui-Yi Tsai, Alexey Borisovich Dyatkin, Zhiqiang Ji, Wei-Chun Shih, Walter Yeager, Pierre-Luc T. Boudreault
  • Patent number: 12129269
    Abstract: Provided are novel silyl-containing acetylacetonate derivatives compounds. Also provided are formulations comprising these silyl-containing acetylacetonate derivatives compounds. Further provided are OLEDs and related consumer products that utilize these silyl-containing acetylacetonate derivatives compounds.
    Type: Grant
    Filed: March 29, 2021
    Date of Patent: October 29, 2024
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Wei-Chun Shih, Pierre-Luc T. Boudreault, Zhiqiang Ji
  • Publication number: 20240357920
    Abstract: In some embodiments, compound comprising a first ligand LA having a structure of Formula I, is provided. In Formula I, each of moiety A and moiety C is a monocyclic ring or a polycyclic fused ring system; T is Si or Ge; R1 and one RA substituent are joined to form a ring A?; each R1, RA, and RC is a hydrogen or a General Substituent defined herein; and LA is coordinated to a metal M selected from Ir, Rh, Re, Ru, Os, Pt, Pd, Ag, Au, and Cu. Formulations, OLEDs, and consumer products containing the compound are also provided.
    Type: Application
    Filed: March 5, 2024
    Publication date: October 24, 2024
    Applicant: UNIVERSAL DISPLAY CORPORATION
    Inventors: Suman LAYEK, Elena SHEINA, Wei-Chun SHIH, Hsiao-Fan CHEN, Zhiqiang JI
  • Patent number: 12122793
    Abstract: A compound comprising a first bidentate ligand LA, wherein LA comprises a structure of Formula I; wherein Z is selected from the group consisting of O, S, NR, BR, CRKRL, SiRKRL, —CRKRLCRMRN—, —SiRKRLSiRMRN—, —CRKRLO—, —SiRKRLO—, and —CRK?CRL—; wherein ring A, ring B, and ring C are each independently a 5-membered carbocyclic ring, 5-membered heterocyclic ring, 6-membered carbocyclic ring or 6-membered heterocyclic ring; wherein LA is coordinated to a metal M forming a 5-membered chelate ring; wherein M is selected from the group consisting of Ir, Pt, Pd, Ru, Rh, Os, Re, Cu, Ag, and Au; wherein RA, RB, and RC each represent mono to the maximum allowable substitution, or no substitution; wherein each R, RK, RL, RM, RN, RA, RB, and RC is independently a hydrogen or a substituent selected from the group consisting of deuterium, halogen, alkyl, cycloalkyl, heteroalkyl, heterocycloalkyl, arylalkyl, alkoxy, aryloxy, amino, silyl, boryl, alkenyl, cycloalkenyl, heteroalkenyl, alkynyl, aryl, heteroaryl, acyl, car
    Type: Grant
    Filed: March 26, 2020
    Date of Patent: October 22, 2024
    Inventors: Alexey Borisovich Dyatkin, Jui-Yi Tsai, Walter Yeager, Pierre-Luc T. Boudreault, Zhiqiang Ji, Alan DeAngelis
  • Publication number: 20240349591
    Abstract: A compound having a formula of Ir(LA)n(LB)m(LC)o, wherein first ligand LA comprises a structure of Formula I, LB comprises a structure of Formula IIA, or Formula IIB, and LC is a bidentate ligand. In these structures, n is 1 or 2, m is 1 or 2, o is 0 or 1, and m+n+o=3; each of moiety A, moiety D, and moiety F is a monocyclic ring or polycyclic fused ring system; moiety B is a polycyclic fused ring system; each of Z1 to Z6 and X1 to X7 is C or N; Y1 is O, S, Se, Te, P, Si, and Ge; and each RA, RB, RC, RD, RE, and RF is hydrogen or a General Substituent. Formulations, OLEDs, and consumer products containing the compound are also provided.
    Type: Application
    Filed: May 17, 2024
    Publication date: October 17, 2024
    Applicant: Universal Display Corporation
    Inventors: Wei-Chun SHIH, Alexey Borisovich DYATKIN, Harvey WENDT, Walter YEAGER, Marcus COLE, Tyler FLEETHAM, Pierre-Luc T. BOUDREAULT, Zhiqiang JI
  • Publication number: 20240349589
    Abstract: A compound comprising a first ligand LA of Formula I, is described herein. In Formula I, moieties A and B are each a monocyclic ring or a polycyclic fused ring system; each of Z1 to Z4 is C or N; K is a direct bond or a linker; each R?, R?, RA and RB is hydrogen or a General Substituent defined herein; at least one of RA and RB comprises a structure of Formula II, L is a direct bond or an organic linker; RF and RF? are each perfluorinated alkyl or perfluorinated cycloalkyl groups; and R* is a General Substituent other than deuterium or fluorine. Formulations, OLEDs, and consumer products including the compound are also provided.
    Type: Application
    Filed: February 27, 2024
    Publication date: October 17, 2024
    Applicant: Universal Display Corporation
    Inventors: Zhiqiang JI, Derek Ian WOZNIAK, Pierre-Luc T. BOUDREAULT
  • Publication number: 20240349588
    Abstract: A compound comprising a first ligand LA of Formula I, is provided. In Formula I, moiety C is a monocyclic ring or a polycyclic fused ring system; each of X1 to X8 is C or N; K is a direct bond or a linker; Y is H or D; R* is an alkyl or cycloalkyl group; each R?, R?, RA, RB, and RC is hydrogen or a General Substituent defined herein; and LA is coordinated to a metal M, selected from Ir, Rh, Re, Ru, Os, Pt, Pd, Ag, Au, and Cu. Formulations, OLEDs, and consumer products containing the compound are also provided.
    Type: Application
    Filed: February 21, 2024
    Publication date: October 17, 2024
    Applicant: UNIVERSAL DISPLAY CORPORATION
    Inventors: Zhiqiang JI, Pierre-Luc T. BOUDREAULT, Derek Ian WOZNIAK, Wei-Chun SHIH
  • Publication number: 20240341165
    Abstract: A compound having the formula: is disclosed. The compound is useful as emitters in OLEDs.
    Type: Application
    Filed: June 3, 2024
    Publication date: October 10, 2024
    Applicant: Universal Display Corporation
    Inventors: Jui-Yi TSAI, Lichang ZENG, Zhiqiang JI, Alexey Borisovich DYATKIN, Walter YEAGER, Edward BARRON
  • Publication number: 20240341169
    Abstract: A compound including a first ligand LA of Formula I is disclosed. The compound is useful as an emitter in phosphorescent OLEDs.
    Type: Application
    Filed: June 3, 2024
    Publication date: October 10, 2024
    Applicant: UNIVERSAL DISPLAY CORPORATION
    Inventors: Pierre-Luc T. BOUDREAULT, Zhiqiang JI, Bin MA, Alan DEANGELIS, Alexey Borisovich DYATKIN, Jui-Yi TSAI
  • Publication number: 20240324445
    Abstract: The present invention discloses novel Pt (IV) compounds useful for enhancing the performance of organic electroluminescent devices.
    Type: Application
    Filed: May 28, 2024
    Publication date: September 26, 2024
    Inventors: Zhiqiang Ji, Lichang Zeng, Chun Lin