Patents by Inventor George Fitzgerald

George Fitzgerald 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: 11930699
    Abstract: Provided are compounds comprising a ligand LA of Formula I
    Type: Grant
    Filed: August 3, 2020
    Date of Patent: March 12, 2024
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Hsiao-Fan Chen, George Fitzgerald, Tyler Fleetham, Peter Wolohan, Joseph A. Macor, Morgan C. Macinnis, Wystan Neil Palmer, Geza Szigethy, Noah Horwitz
  • Publication number: 20240081141
    Abstract: Provided are organometallic compounds comprising a chelating tetradentate ligand with at least four cyclic structures located around a central Pt or Pd atom that can be used as light-emitters. 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: July 6, 2023
    Publication date: March 7, 2024
    Applicant: UNIVERSAL DISPLAY CORPORATION
    Inventors: Hsiao-Fan CHEN, Peter WOLOHAN, Rasha HAMZE, Morgan C. MACINNIS, Tyler FLEETHAM, Sean Michael RYNO, Dmitry ANDRIANOV, George FITZGERALD, Geza SZIGETHY
  • Publication number: 20240074301
    Abstract: Provided are compounds comprising ligands LA that are ligands of Pt and Ir complexes for OLED applications. Also provided are formulations comprising these compounds comprising ligands LA that are ligands of Pt and Ir complexes for OLED applications. Further provided are OLEDs and related consumer products that utilize these compounds comprising ligands LA that are ligands of Pt and Ir complexes for OLED applications.
    Type: Application
    Filed: October 5, 2023
    Publication date: February 29, 2024
    Applicant: UNIVERSAL DISPLAY CORPORATION
    Inventors: Wystan Neil PALMER, Wei-Chun SHIH, George FITZGERALD, Joseph A. MACOR, Rasha HAMZE, Pierre-Luc T. BOUDREAULT, Geza SZIGETHY, Zhiqiang JI, Derek Ian WOZNIAK, Hsiao-Fan CHEN
  • Publication number: 20240065090
    Abstract: Provided are organometallic compounds comprising a ligand which comprises a first moiety A which is a heterocyclic ring comprising at least 7 ring atoms selected from the group consisting of C, Si, B, O, S, and N, and a second moiety B which is a 5-membered or 6-membered carbocyclic or heterocyclic ring. 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: July 12, 2023
    Publication date: February 22, 2024
    Applicant: UNIVERSAL DISPLAY CORPORATION
    Inventors: Hsiao-Fan CHEN, Rasha HAMZE, Elena SHEINA, Noah HORWITZ, George FITZGERALD, Jerald FELDMAN, Tyler FLEETHAM, Diana DRENNAN
  • Patent number: 11825736
    Abstract: A compound of Formula I having isoindoline moiety is disclosed. Their unique configuration of the fused rings enable the compound to exhibit phosphorescent emission in red color region to near infrared region and are useful as emitter materials in organic electroluminescence device.
    Type: Grant
    Filed: November 13, 2019
    Date of Patent: November 21, 2023
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Zhiqiang Ji, Tongxiang Lu, Pierre-Luc T. Boudreault, George Fitzgerald
  • Publication number: 20230357296
    Abstract: A compound having a first ligand LA of Formula I, is provided. In Formula I, Z is C or N; at least one of X1 to X5 is N, and the remainder are C; if X1 is N, then X5 is C; K is selected from the group consisting of a direct bond, O, S, N(R?), P(R?), B(R?), C(R?)(R?), and Si(R?)(R?); each R?, R?, RA and RB is a hydrogen or a General Substituent; LA is coordinated to a metal M; and Ring A coordinates to M through a metal carbene bond. Formulations, OLEDs, and consumer products containing the compound are also provided.
    Type: Application
    Filed: May 1, 2023
    Publication date: November 9, 2023
    Applicant: Universal Display Corporation
    Inventors: Jui-Yi TSAI, Geza SZIGETHY, Wei-Chun SHIH, Hsiao-Fan CHEN, Walter YEAGER, Alexey Borisovich DYATKIN, Tongxiang LU, Diana DRENNAN, George FITZGERALD
  • Patent number: 11773320
    Abstract: A compound of Formula I: wherein each R1, R2, R3, and R4 is independently hydrogen or a substituent selected from the group consisting of deuterium, halide, alkyl, cycloalkyl, heteroalkyl, arylalkyl, alkoxy, aryloxy, amino, silyl, alkenyl, cycloalkenyl, heteroalkenyl, alkynyl, aryl, heteroaryl, carbonyl, nitrile, isonitrile, sulfanyl, sulfinyl, sulfonyl, phosphino, boryl, and combinations thereof; and wherein any two adjacent substituents are optionally joined or fused together to form a ring.
    Type: Grant
    Filed: February 21, 2020
    Date of Patent: October 3, 2023
    Assignee: Universal Display Corporation
    Inventors: Diana Drennan, Sean Michael Ryno, George Fitzgerald, Tyler Fleetham, Jerald Feldman
  • Publication number: 20230303602
    Abstract: Provided are organometallic compounds comprising an at least two-dentate ligand comprising at least one 5-membered or 6-membered carbocyclic or heterocyclic ring. Further provided are organometallic compounds containing a platinum atom as the central metal atom. Also described are their various uses including as emitters in devices such as organic light emitting diodes and related electronic devices. Also provided are formulations comprising these organometallic compounds containing a platinum atom as the central metal atom. Further provided are organic light emitting devices (OLEDs) and related consumer products that utilize these organometallic compounds.
    Type: Application
    Filed: March 24, 2023
    Publication date: September 28, 2023
    Applicant: UNIVERSAL DISPLAY CORPORATION
    Inventors: Hsiao-Fan CHEN, Alexey Borisovich DYATKIN, Tyler FLEETHAM, Neil PALMER, Henry Carl HERBOL, Sean Michael RYNO, Scott BEERS, Jui-Yi TSAI, Pierre-Luc T. BOUDREAULT, Elena SHEINA, George FITZGERALD, Joseph A. Macor, Rasha HAMZE, Hai T. Le, Thrimurtulu NEETIPALLI
  • Publication number: 20230276696
    Abstract: The present invention includes novel heterocyclic materials for use as blue phosphorescent materials in OLED devices. The materials are based on carbene and heterocyclic 5-membered ring linked ligands, which may be complexed to a transition metal via a metal-carbon (carbene) bond and a metal-nitrogen covalent bond.
    Type: Application
    Filed: April 17, 2023
    Publication date: August 31, 2023
    Inventors: Tongxiang (Aaron) Lu, George Fitzgerald, Morgan C. MacInnis, Paul M. Lahti
  • Patent number: 11737349
    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: May 27, 2020
    Date of Patent: August 22, 2023
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: George Fitzgerald, Joseph A. Macor, Jason Brooks, Hsiao-Fan Chen, Geza Szigethy, Diana Drennan, Neil Palmer, Wei-Chun Shih, Pierre-Luc T. Boudreault, Zhiqiang Ji, Woo-Young So
  • Patent number: 11716898
    Abstract: This invention relates to the development of heterocyclic materials for use as blue phosphorescent materials in OLED devices. The materials are based on a pair of 5-membered aromatic or psuedoaromatic rings bonded to one another and complexed to a transition metal. The materials were determined computationally to have appropriate triplet energies for use as blue emitters and to possess sufficient chemical stability for use in devices.
    Type: Grant
    Filed: May 20, 2020
    Date of Patent: August 1, 2023
    Assignee: Universal Display Corporation
    Inventors: Tongxiang Lu, George Fitzgerald, Paul Lahti, Morgan C. MacInnis
  • Publication number: 20230192738
    Abstract: A compound comprising a first ligand LA comprising a structure of Formula I, is provided. In Formula I, moieties A, B, C, and D are each independently a monocyclic ring or a multicyclic fused ring system; each of X1 to X8 is C or N; each independently represents a single bond or a double bond; each of L1, L2, L3, and L4 is independently a direct bond or a linking group; each R, R?, R?, RA, RB, RC, and RD is a hydrogen or a General Substituent; any two adjacent R, R?, R?, RA, RB, RC, and RD may be joined or fused to form a ring; and LA is coordinated to a transition metal M. Formulations, OLEDs, and consumer products containing the compound are also provided.
    Type: Application
    Filed: December 6, 2022
    Publication date: June 22, 2023
    Applicant: UNIVERSAL DISPLAY CORPORATION
    Inventors: Neil PALMER, Wei-Chun SHIH, Derek Ian WOZNIAK, Zhiqiang JI, Morgan C. MACINNIS, Hsiao-Fan CHEN, Peter WOLOHAN, George FITZGERALD, Elena SHEINA, Noah HORWITZ, Pierre-Luc T. BOUDREAULT, Chun LIN, Rasha HAMZE, Tyler FLEETHAM
  • Publication number: 20230192714
    Abstract: Provided are macrocyclic compounds comprising at least one eight-membered ring and at least four further 5-membered or 6-membered carbocyclic and heterocyclic rings which may be further substituted. Also provided are formulations comprising these macrocyclic compounds. Further provided are organic light emitting devices (OLEDs) and related consumer products that utilize these macrocyclic compounds.
    Type: Application
    Filed: December 6, 2022
    Publication date: June 22, 2023
    Applicant: UNIVERSAL DISPLAY CORPORATION
    Inventors: Tyler FLEETHAM, Hsiao-Fan CHEN, Elena SHEINA, Peter WOLOHAN, Suman LAYEK, Noah HORWITZ, Henry Carl HERBOL, George FITZGERALD, Rasha HAMZE
  • Patent number: 11678565
    Abstract: The present invention includes novel heterocyclic materials for use as blue phosphorescent materials in OLED devices. The materials are based on carbene and heterocyclic 5-membered ring linked ligands, which may be complexed to a transition metal via a metal-carbon (carbene) bond and a metal-nitrogen covalent bond.
    Type: Grant
    Filed: June 5, 2018
    Date of Patent: June 13, 2023
    Assignee: Universal Display Corporation
    Inventors: Tongxiang (Aaron) Lu, George Fitzgerald, Morgan C. MacInnis, Paul M. Lahti
  • Publication number: 20230147616
    Abstract: A compound including a tetradentate ligand, LA, is provided. In the compound, LA is coordinated to a metal M selected from Pt, Pd, Cu, Ag, and Au; LA comprises a first moiety and a second moiety that are different form each other and are independently coordinated to the metal M; the first moiety is a heterocyclic carbene, that is coordinated to the metal M through a metal-carbene bond, while the second moiety is a 5-membered heterocycle; and the ligand LA forms at least one M-O or M-S bond. Formulations, OLEDs, and consumer products containing the compound are also provided.
    Type: Application
    Filed: March 29, 2022
    Publication date: May 11, 2023
    Applicant: Universal Display Corporation
    Inventors: Elena SHEINA, Alexey Borisovich DYATKIN, George FITZGERALD, Jui-Yi TSAI, Hsiao-Fan CHEN, Geza SZIGETHY
  • Publication number: 20230120996
    Abstract: Provided are compounds comprising ligands LA that are ligands of Pt and Ir complexes for OLED applications. Also provided are formulations comprising these compounds comprising ligands LA that are ligands of Pt and Ir complexes for OLED applications. Further provided are OLEDs and related consumer products that utilize these compounds comprising ligands LA that are ligands of Pt and Ir complexes for OLED applications.
    Type: Application
    Filed: October 5, 2022
    Publication date: April 20, 2023
    Applicant: UNIVERSAL DISPLAY CORPORATION
    Inventors: Neil PALMER, Wei-Chun SHIH, George FITZGERALD, Joseph A. MACOR, Rasha HAMZE, Pierre-Luc T. BOUDREAULT, Geza SZIGETHY, Zhiqiang JI
  • Patent number: 11605791
    Abstract: A compound having a structure selected from the group consisting of: is disclosed.
    Type: Grant
    Filed: August 30, 2018
    Date of Patent: March 14, 2023
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Morgan C. Macinnis, George Fitzgerald
  • Publication number: 20230049161
    Abstract: Provided are compounds comprising a first ligand LA; wherein LA comprises a 5-membered heterocycle joined to a metal M by a M-C or M-N bond; wherein the 5-membered heterocycle comprises at least one boron atom; wherein M is selected from the group consisting of Os, Ir, Pd, Pt, Cu, Ag, and Au; and wherein LA does not comprise a structure of Formula I. wherein X is B or N; with the proviso that the 5-membered heterocycle does not comprise a B—B bond; and with the proviso that if M is Pd or Pt and the 5-membered heterocycle is fused to a benzene ring, the benzene ring is not part of a 6-membered chelate ring comprising M. Also provided are formulations comprising these compounds. Further provided are OLEDs and related consumer products that utilize these compounds.
    Type: Application
    Filed: June 17, 2022
    Publication date: February 16, 2023
    Applicant: UNIVERSAL DISPLAY CORPORATION
    Inventors: Rasha HAMZE, Matthew ASAY, Morgan C. MACINNIS, Alexey Borisovich DYATKIN, Hsiao-Fan CHEN, Wei-Chun SHIH, Jerald FELDMAN, Chun LIN, Tyler FLEETHAM, Elena SHEINA, George FITZGERALD
  • Publication number: 20230006146
    Abstract: Compounds that are organic radicals that can have a dual function. The compounds can be fluorescent emitters that emit in the near-IR. The compounds can also facilitate reverse intersystem crossing (RISC) to convert triplet excitons in an OLED to singlet excited states to maximize utilization of generated excitons in the OLED and approach 100% internal quantum efficiency.
    Type: Application
    Filed: July 28, 2022
    Publication date: January 5, 2023
    Inventors: Hsiao-Fan Chen, Tongxiang (Aaron) Lu, Nicholas J. Thompson, Eric A. Margulies, George Fitzgerald, Jerald Feldman
  • Publication number: 20220396596
    Abstract: Provided is a compound of Formula I in which at least one moiety A, moiety B, moiety C, or moiety D is a 6-membered carbocyclic or heterocyclic ring, and at least one RA, RB, RC, or RD includes a group having Formula II where RX can be silyl, germyl, boryl, nitrile, F, CF3, cycloalkyl, heterocycloalkyl, or monocyclic heteroaryl. The compounds are useful as emitters in OLEDs providing improved efficiency.
    Type: Application
    Filed: May 13, 2022
    Publication date: December 15, 2022
    Applicant: UNIVERSAL DISPLAY CORPORATION
    Inventors: Rasha HAMZE, Hsiao-Fan CHEN, Peter WOLOHAN, Morgan C. MACINNIS, Woo-Young SO, George FITZGERALD, Noah HORWITZ, Jerald FELDMAN, Elena SHEINA