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).

  • ORGANIC ELECTROLUMINESCENT MATERIALS AND DEVICES
    Publication number: 20240324439
    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: April 30, 2024
    Publication date: September 26, 2024
    Applicant: Universal Display Corporation
    Inventors: Suman LAYEK, Jui-Yi TSAI, Alexey Borisovich DYATKIN, Zhiqiang JI, Walter YEAGER, Pierre-Luc T. BOUDREAULT
  • Organic electroluminescent materials and devices
    Patent number: 12098157
    Abstract: The present invention includes a series of novel osmium bis(tridenatate) complexes with emission profiles in the near-infrared region.
    Type: Grant
    Filed: May 18, 2018
    Date of Patent: September 24, 2024
    Inventors: Jui-Yi Tsai, Alexey Borisovich Dyatkin, Zhiqiang Ji, Paul M. Lahti, Miguel A. Esteruelas, Ana M. Lopez, Enrique Onate, Ainhoa San Torcuato, Pierre-Luc T. Boudreault
  • ORGANIC ELECTROLUMINESCENT MATERIALS AND DEVICES
    Publication number: 20240315125
    Abstract: A compound comprising a first ligand LA of Formula I, is provided. In Formula I, moiety A is a monocyclic ring or a polycyclic fused ring system; K1 and K2 are independently a single bond or a linker; Z1 and Z2 are C or N; each RA, RB, and RC is hydrogen or a General Substituent; at least one RB and at least one RC are not hydrogen or deuterium; LA is coordinated to a metal M, having an atomic mass of at least 40. Formulations, OLEDs, and consumer products comprising the compound are also provided.
    Type: Application
    Filed: April 16, 2024
    Publication date: September 19, 2024
    Applicant: UNIVERSAL DISPLAY CORPORATION
    Inventor: Zhiqiang JI
  • Organic electroluminescent materials and devices
    Patent number: 12077550
    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: Grant
    Filed: June 12, 2020
    Date of Patent: September 3, 2024
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Zhiqiang Ji, Pierre-Luc T. Boudreault, Wei-Chun Shih, Alan Deangelis
  • ORGANIC ELECTROLUMINESCENT MATERIALS AND DEVICES
    Publication number: 20240292748
    Abstract: A compound comprising a first ligand LA of Formula I, is provided. In Formula I, moiety A is a heterocyclic fused ring system comprising a 5-membered ring fused to a 6-membered ring; moiety B is an aromatic ring or fused ring system; each RA and RB is independently a hydrogen or a General Substituent; K is a direct bond, O, or S; at least one of RA and RB comprises a substituent R comprising a silyl group or a germyl group; ligand LA is coordinated to a metal M, which has an atomic mass of at least 40; and metal M may be coordinated to other ligands. Formulations, OLEDs, and consumer products containing the same are also provided.
    Type: Application
    Filed: April 9, 2024
    Publication date: August 29, 2024
    Applicant: Universal Display Corporation
    Inventors: Zhiqiang JI, Pierre-Luc T. BOUDREAULT, Wei-Chun SHIH, Alexey Borisovich DYATKIN, Jui-Yi TSAI, Elena SHEINA, Jerald FELDMAN, Walter YEAGER
  • Organic electroluminescent materials and devices
    Patent number: 12075691
    Abstract: Provided are compounds having a first ligand LA of that are useful in OLEDs as emitters.
    Type: Grant
    Filed: April 29, 2020
    Date of Patent: August 27, 2024
    Assignee: 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
  • ORGANIC ELECTROLUMINESCENT MATERIALS AND DEVICES
    Publication number: 20240284777
    Abstract: Provided are organometallic compounds comprising a first ligand which comprises a 6-membered ring containing at least one nitrogen atom which is bonded to a metal and a further moiety which is monocyclic or fused multicyclic ring system comprising one or more 5-membered and/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: January 15, 2024
    Publication date: August 22, 2024
    Applicant: UNIVERSAL DISPLAY CORPORATION
    Inventors: Alexey Borisovich DYATKIN, Pierre-Luc T. BOUDREAULT, Zhiqiang JI, Jui-Yi TSAI, Jerald FELDMAN, Derek Ian WOZNIAK, Hsiao-Fan CHEN
  • ORGANIC ELECTROLUMINESCENT MATERIALS AND DEVICES
    Publication number: 20240284783
    Abstract: Provided is a compound of Formula Ir(LA)(LB)(LC), wherein LA is a ligand of Formula I LB is a ligand of Formula II and LC is a ligand of Formula III wherein a structure of Formula IV fused to the ligand LB of Formula II through two adjacent C of X1-X4.
    Type: Application
    Filed: March 11, 2024
    Publication date: August 22, 2024
    Applicant: Universal Display Corporation
    Inventors: Jui-Yi TSAI, Alexey Borisovich DYATKIN, Zhiqiang JI, Pierre-Luc T. BOUDREAULT
  • ORGANIC ELECTROLUMINESCENT MATERIALS AND DEVICES
    Publication number: 20240276864
    Abstract: A compound comprising a first ligand LA of Formula I, is provided. In Formula I, each of X1 to X8 is C or N; is a single bond or a double bond; K is a direct bond or a linking group; RA, RB, and RC are each hydrogen or a General Substituent; LA is coordinated to a metal M, having an atomic weight of at least 40; any two substituents may be joined or fused to form a ring; and (i) two RA substituents are joined to form a ring fused to ring A, (ii) two RB substituents are joined to form a ring fused to ring B, or (iii) both condition (i) and condition (ii). Formulations, OLEDs, and consumer products containing the same are also provided.
    Type: Application
    Filed: December 4, 2023
    Publication date: August 15, 2024
    Applicant: Universal Display Corporation
    Inventors: Zhiqiang JI, Derek Ian WOZNIAK, Pierre-Luc T. BOUDREAULT, Tongxiang (Aaron) LU
  • ORGANIC ELECTROLUMINESCENT MATERIALS AND DEVICES
    Publication number: 20240254153
    Abstract: A compound comprising a first ligand LA of Formula I, is provided. In Formula I, moiety A is a fused polycyclic ring system; moiety B is a monocyclic ring or a fused polycyclic system; ring C is a 5-membered ring; ring D is a 6-membered ring; Y is N, B, or P; each of Z1 to Z4 is C or N; X1 is CR1 or N; each of K1 and K2 is a direct bond or a linker; each R1, R2, R?, R?, RA, and RB is hydrogen or a General Substituent defined herein; and LA is joined to a metal M by the dashed lines. Formulations, OLEDs, and consumer products containing the compound are also provided.
    Type: Application
    Filed: November 27, 2023
    Publication date: August 1, 2024
    Applicant: Universal Display Corporation
    Inventors: Zhiqiang JI, Pierre-Luc T. BOUDREAULT, Derek Ian WOZNIAK, Tongxiang (Aaron) LU, Alexey Borisovich DYATKIN
  • ORGANIC ELECTROLUMINESCENT MATERIALS AND DEVICES
    Publication number: 20240251650
    Abstract: A compound capable of functioning as a phosphorescent emitter in an organic light emitting device at room temperature that includes at least one aromatic ring and at least one substituent R where each of the at least one R is of Formula I
    Type: Application
    Filed: January 23, 2024
    Publication date: July 25, 2024
    Applicant: Universal Display Corporation
    Inventors: Zhiqiang JI, Alexey Borisovich DYATKIN, Jui-Yi TSAI, Pierre-Luc T. BOUDREAULT
  • ORGANIC ELECTROLUMINESCENT MATERIALS AND DEVICES
    Publication number: 20240247017
    Abstract: A compound comprising a first ligand LA of Formula I, In Formula I, moieties A, B, C, and D are each independently a monocyclic ring or a polycyclic fused ring system; each of Z1, Z2, and X1 to X7 is independently C or N; K is selected from a direct bond and a linker; each R?, R?, RA, RB, RC, and RD is hydrogen or a General Substituent defined herein; any two substituents may be joined or fused to form a ring; LA is joined to a metal M that has an atomic mass of at least 40; M may be coordinated to other ligands; and LA may be joined with other ligands. Formulations, OLEDs, and consumer products containing the compound are also provided.
    Type: Application
    Filed: November 27, 2023
    Publication date: July 25, 2024
    Applicant: Universal Display Corporation
    Inventors: Zhiqiang JI, Pierre-Luc T. BOUDREAULT, Derek Ian WOZNIAK, Tongxiang (Aaron) LU, Alexey Borisovich DYATKIN
  • Organic electroluminescent materials and devices
    Patent number: 12041846
    Abstract: A compound having the formula: Formula I is disclosed. The compound is useful as emitters in OLEDs.
    Type: Grant
    Filed: April 17, 2023
    Date of Patent: July 16, 2024
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Jui-Yi Tsai, Lichang Zeng, Zhiqiang Ji, Alexey Borisovich Dyatkin, Walter Yeager, Edward Barron
  • Organic electroluminescent materials and devices
    Patent number: 12035613
    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: Grant
    Filed: April 20, 2021
    Date of Patent: July 9, 2024
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Suman Layek, Jui-Yi Tsai, Alexey Borisovich Dyatkin, Zhiqiang Ji, Walter Yeager, Pierre-Luc T. Boudreault
  • ORGANIC ELECTROLUMINESCENT MATERIALS AND DEVICES
    Publication number: 20240218004
    Abstract: A compound comprising a first ligand LA of Formula I, is provided. In Formula I, moiety A is a monocyclic ring or a polycyclic fused ring system; K1 and K2 are independently a single bond or a linker; Z1 and Z2 are C or N; each RA, RB, and RC is hydrogen or a General Substituent; at least one RB and at least one RC are not hydrogen or deuterium; LA is coordinated to a metal M, having an atomic mass of at least 40. Formulations, OLEDs, and consumer products comprising the compound are also provided.
    Type: Application
    Filed: October 26, 2023
    Publication date: July 4, 2024
    Applicant: UNIVERSAL DISPLAY CORPORATION
    Inventor: Zhiqiang JI
  • Organic electroluminescent materials and devices
    Patent number: 12018035
    Abstract: Provided are organoiridium compounds that are useful as emitters in OLEDs. The compounds have Formula I L1L2Ir-L-Ir-L3L4, where: L is a bis-bidentate ligand including two or more aromatic rings; one of the two or more aromatic rings is bonded to the two Ir atoms at the same time; and each of L1, L2, L3, and L4 is independently a bidentate N-heterocyclic carbene ligand or a substituted or unsubstituted acetylacetonate ligand with L1, L2, L3, and L4 each being the same or different. Also provided are formulations including these organoiridium compounds. Further provided are OLEDs and related consumer products that utilize these organoiridium compounds.
    Type: Grant
    Filed: February 26, 2021
    Date of Patent: June 25, 2024
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Jui-Yi Tsai, Alexey Borisovich Dyatkin, Wei-Chun Shih, Zhiqiang Ji, Pierre-Luc T. Boudreault, Miguel A. Esteruelas, Erik Mora, Enrique Oñate
  • Organic electroluminescent materials and devices
    Patent number: 12022727
    Abstract: A compound including a first ligand LA of Formula I is disclosed. The compound is useful as an emitter in phosphorescent OLEDs.
    Type: Grant
    Filed: May 20, 2022
    Date of Patent: June 25, 2024
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Pierre-Luc T. Boudreault, Zhiqiang Ji, Bin Ma, Alan Deangelis, Alexey Borisovich Dyatkin, Jui-Yi Tsai
  • Heteroleptic organic electroluminescent materials and devices
    Patent number: 12018036
    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: Grant
    Filed: April 26, 2023
    Date of Patent: June 25, 2024
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Chun Lin, Pierre-Luc T. Boudreault, Bert Alleyne, Zhiqiang Ji, Suman Layek
  • ORGANIC ELECTROLUMINESCENT MATERIALS AND DEVICES
    Publication number: 20240206314
    Abstract: A compound comprising a first ligand LA of Formula I, is provided. In Formula I, moiety A and moiety B either a monocyclic ring or a polycyclic fused ring system; each of X1 to X4, Z1, and Z2 is C or N; K1 is a direct bond, O, S, N(R?), P(R?), B(R?), C(R?)(R?), or Si(R?)(R?); L1 is a direct bond or a linking group; each R?, R?, RA and RB is hydrogen or a General Substituent; and LA is coordinated to a metal M. In addition, RA or RB alone or in combination with a substituent of L1 form a 7-membered ring. Formulations, OLEDs, and consumer products containing the compound are also provided.
    Type: Application
    Filed: January 23, 2024
    Publication date: June 20, 2024
    Applicant: Universal Display Corporation
    Inventors: Alexey Borisovich Dyatkin, Elena Sheina, Zhiqiang Ji, Derek Ian Wozniak, Sean Michael Ryno, George Fitzgerald, Geza Szigethy, Hsiao-Fan Chen, Wei-Chun Shih, Wystan Neil Palmer, Jui-Yi Tsai
  • ORGANIC ELECTROLUMINESCENT MATERIALS AND DEVICES
    Publication number: 20240190906
    Abstract: The present disclosure provides a metal coordination complex compound. The metal complex compound is capable of functioning as an emitter in an organic light emitting device (OLED) at room temperature, and has a vertical dipole ratio (VDR) greater than 0.33 in the OLED. Formulations, OLEDs, and consumer products including the same are also provided.
    Type: Application
    Filed: December 15, 2023
    Publication date: June 13, 2024
    Applicant: Universal Display Corporation
    Inventors: Eric A. MARGULIES, Geza SZIGETHY, Ivan MILAS, Nicholas J. THOMPSON, Henry Carl HERBOL, Zhiqiang JI