Patents by Inventor Peter Wolohan

Peter Wolohan 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: 12378197
    Abstract: A compound having a structure of Formula I, is provided. In Formula I, Z1 to Z16 are each CR or N; three consecutive ones of Z1 to Z16 within the same ring cannot be N; each R is independently a hydrogen or a substituent selected from a variety of substituents; at least one R includes and electron donor substituent; at least one R includes an electron acceptor substituent; and any two Rs on the same ring can be joined or fused together to form a ring. Organic light emitting devices, consumer products, formulations, and chemical structures containing the compounds are also disclosed.
    Type: Grant
    Filed: June 14, 2019
    Date of Patent: August 5, 2025
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Hsiao-Fan Chen, Peter Wolohan, Nicholas J. Thompson
  • Publication number: 20250248295
    Abstract: Provided are compounds comprising a ligand LA of Formula I where the ligand LA is coordinated to Pt.
    Type: Application
    Filed: January 14, 2025
    Publication date: July 31, 2025
    Applicant: 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
  • Patent number: 12349589
    Abstract: A compound comprising a ligand LA comprising a moiety L having a structure of Formula I is provided. In Formula I, LA coordinated to a metal M; A1 is selected from B, N, P, P?O, P?S, Al, Ga, SiR?, GeR?, and SnR?; where rings A, B, and C are 5- or 6-membered rings; Y1, Y2, and Y3 are selected from direct bonds, the metal M, and a variety of linkers; a+b+c=2 or 3; and one of a number of specific conditions is met. OLED devices, consumer products, and formulations including the compound are also provided.
    Type: Grant
    Filed: November 17, 2021
    Date of Patent: July 1, 2025
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Morgan C. Macinnis, Hsiao-Fan Chen, Tyler Fleetham, Peter Wolohan, Jerald Feldman, Jui-Yi Tsai, Pierre-Luc T. Boudreault, Alexey Borisovich Dyatkin, Zhiqiang Ji, Sean Michael Ryno, Rasha Hamze, Chun Lin, Elena Sheina
  • Publication number: 20250179098
    Abstract: A compound of the following Formula I is provided. In Formula I, A is C, B, Si, Ge, or Sn; each of X1 to X22 is independently C or N; Z1 and Z2 are each independently B or N; when A is B, one of X4, X5, X12, and X22 is N, and the remainder are C; when A is C, at least one of Z1 and Z2 is B; each of Y1, Y2, Y3, and Y4 is independently O, S, Se, NR, CRR?, SiRR?, GeRR?, and SnRR?; one of both of Y1 and Y2 are present; one of both of Y3 and Y4 are present; each R, R?, RA, RB, RC, RD, RE, and RF is independently hydrogen or a variety of substituents; and any two adjacent R, R?, RA, RB, RC, RD, RE, and RF can be joined or fused to form a ring. Devices, consumer products, and formulations including the compound are also disclosed.
    Type: Application
    Filed: February 12, 2025
    Publication date: June 5, 2025
    Applicant: Universal Display Corporation
    Inventors: Peter WOLOHAN, Tyler FLEETHAM, Hsiao-Fan CHEN
  • Publication number: 20250176428
    Abstract: Provided are organic compounds comprising as the central structure two 6-membered aromatic rings which are bond to each other via a direct bond, wherein a first ring of the two 6-membered aromatic rings comprises at least one nitrogen atom but not more than three nitrogen atoms. Also provided are formulations comprising these organic compounds. Further provided are organic light emitting devices (OLEDs) and related consumer products that utilize these organic compounds.
    Type: Application
    Filed: October 21, 2024
    Publication date: May 29, 2025
    Applicant: UNIVERSAL DISPLAY CORPORATION
    Inventors: Tyler Fleetham, Nicholas J. Thompson, Peter Wolohan, Kevin G. Fowler, Jerald Feldman, Courtney A. DelPo
  • Publication number: 20250145649
    Abstract: A compound comprising a metal tetradentate coordination configuration of Formula I, with a tetradentate ligand is provided. In the compound, M is Pt or Pd; Z11, Z12, Z13, and Z14 are the four coordinating atoms of the tetradentate ligand; the compound comprises a first ring system consisting of all atoms of all metal-containing rings formed by the metal M and the tetradentate ligand; atoms M, Z11, Z12, Z13, and Z14 define a first plane that passes through the metal M and is positioned to have a minimum sum of shortest distances with Z11, Z12, Z13, and Z14; wherein a total distance between the atom of the first ring system farthest away from the first plane on each side of the first plane (h1+h2) is at least 6.1 ?. Formulations, OLEDs, and consumer products containing the compound are also provided.
    Type: Application
    Filed: July 18, 2024
    Publication date: May 8, 2025
    Applicant: UNIVERSAL DISPLAY CORPORATION
    Inventors: Noah HORWITZ, Diana Drennan, Tyler Fleetham, George Fitzgerald, Peter Wolohan, Hsiao-Fan Chen
  • Publication number: 20250133954
    Abstract: A compound having a first ligand LA of Formula I, is provided. In Formula I, each of moiety A and moiety B is a monocyclic ring or a polycyclic fused ring system; each of X1 to X4, Z1, and Z2 is C or N; K1, K2, and L1 are selected from 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 RB comprises a bridged polycyclic structure comprised of two or more rings. Formulations, OLEDs, and consumer products containing the compound are also provided.
    Type: Application
    Filed: June 28, 2024
    Publication date: April 24, 2025
    Applicant: Universal Display Corporation
    Inventors: Hsiao-Fan CHEN, Peter WOLOHAN, Rasha HAMZE, Vijayarajan DEVANNAH
  • Publication number: 20250122175
    Abstract: A compound having a structure of Formula I, provided. In the compounds, each of X1 to X12 is C or N; R is not hydrogen or deuterium; each RA and RB is hydrogen or a General Substituent defined herein; a HOMO level of the compound is greater than ?5.56 eV; and the compound does not comprise a group selected from indolocarbazole, acridine, phenoxazine, phenothiazine, 10,10-diphenyl-5,10-dihydrodibenzo[b,e][1,4]azasiline (dibenzoazasiline), inbimbim, 3,9? bicarbazole, and 3,3? bicarbazole moiety. Formulations, OLEDs, and consumer products containing the compound are also provided.
    Type: Application
    Filed: October 8, 2024
    Publication date: April 17, 2025
    Applicant: Universal Display Corporation
    Inventors: Tyler FLEETHAM, Peter WOLOHAN, Ania SOTUYO, Samantha SANTANA, Robert DYER
  • Publication number: 20250115627
    Abstract: Provided are organic compounds comprising at least one germy or silyl group which is attached to a 6-membered aromatic carbocyclic or heterocyclic ring. Also provided are formulations comprising these organic compounds. Further provided are organic light emitting devices (OLEDs) as well as related consumer products that utilize these organic compounds.
    Type: Application
    Filed: September 28, 2024
    Publication date: April 10, 2025
    Applicant: UNIVERSAL DISPLAY CORPORATION
    Inventors: Tyler Fleetham, Geza Szigethy, Courtney A. DelPo, Hsiao-Fan Chen, Elena Sheina, Peter Wolohan
  • Publication number: 20250113732
    Abstract: Provided are organic compounds comprising a nitrogen-containing 5-membered aromatic or non-aromatic ring, wherein the ring nitrogen is a tertiary nitrogen having bonds to three different carbon atoms. Also provided are formulations comprising these organic compounds. Further provided are organic light emitting devices (OLEDs) and related consumer products that utilize these organic compounds.
    Type: Application
    Filed: September 25, 2024
    Publication date: April 3, 2025
    Applicant: UNIVERSAL DISPLAY CORPORATION
    Inventors: Tyler Fleetham, Courtney A. DelPo, Peter Wolohan, Hsiao-Fan Chen, Elena Sheina
  • Publication number: 20250107441
    Abstract: Provided are organic compounds comprising a boron atom which is part of two 6-membered rings which are fused together and to which at least three further 6-membered aromatic rings are fused. Also provided are formulations comprising these organic compounds. Further provided are organic light emitting devices (OLEDs) as well as related consumer products that utilize these organic compounds.
    Type: Application
    Filed: September 11, 2024
    Publication date: March 27, 2025
    Applicant: UNIVERSAL DISPLAY CORPORATION
    Inventors: Tyler Fleetham, Peter Wolohan, Elena Sheina, Jerald Feldman, Courtney A. DelPo, Muazzam Idris, Mahesh Paudyal, Robert Dyer, Wystan Neil Palmer
  • Patent number: 12252499
    Abstract: A compound of the following Formula I is provided. In Formula I, A is C, B, Si, Ge, or Sn; each of X1 to X22 is independently C or N; Z1 and Z2 are each independently B or N; when A is B, one of X4, X5, X12, and X22 is N, and the remainder are C; when A is C, at least one of Z1 and Z2 is B; each of Y1, Y2, Y3, and Y4 is independently O, S, Se, NR, CRR?, SiRR?, GeRR?, and SnRR?; one of both of Y1 and Y2 are present; one of both of Y3 and Y4 are present; each R, R?, RA, RB, RC, RD, RE, and RF is independently hydrogen or a variety of substituents; and any two adjacent R, R?, RA, RB, RC, RD, RE, and RF can be joined or fused to form a ring. Devices, consumer products, and formulations including the compound are also disclosed.
    Type: Grant
    Filed: August 17, 2021
    Date of Patent: March 18, 2025
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Peter Wolohan, Tyler Fleetham, Hsiao-Fan Chen
  • Publication number: 20250084107
    Abstract: Provided are organic compounds comprising at least two 6-membered aromatic rings which are connected together by a single bond and which are bond to a nitrogen atom of a 5-membered nitrogen-containing ring. Also provided are formulations comprising these organic compounds. Further provided are organic light emitting devices (OLEDs) and related consumer products that utilize these organic compounds.
    Type: Application
    Filed: August 7, 2024
    Publication date: March 13, 2025
    Applicant: UNIVERSAL DISPLAY CORPORATION
    Inventors: Tyler FLEETHAM, Peter WOLOHAN, Nicholas J. THOMPSON, Courtney A. DelPo, Jerald FELDMAN
  • Patent number: 12250875
    Abstract: Provided are compounds comprising a ligand LA of Formula I where the ligand LA is coordinated to Ir.
    Type: Grant
    Filed: November 8, 2023
    Date of Patent: March 11, 2025
    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: 20250081837
    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: November 13, 2024
    Publication date: March 6, 2025
    Inventors: Alexey Borisovich Dyatkin, Zhiqiang Ji, Pierre-Luc T. Boudreault, Walter Yeager, Derek Ian Wozniak, Wei-Chun Shih, Hsiao-Fan Chen, Elena Sheina, Peter Wolohan, Wystan Neil Palmer
  • Publication number: 20250019390
    Abstract: A compound comprising a structure of Formula I, is provided. In Formula I, RW has a structure of Formula II, where at least two RE substituents are joined to form a 5- to 10-membered ring; each of X1 to X11 and Z1 to Z3 is C or N; M is Pd or Pt; each of moiety A, moiety B, moiety C, and moiety D is a ring or a polycyclic fused ring system; each of L1 and L2 is a direct bond or a linker; each substituent is hydrogen or a General Substituents defined herein; and any two substituents may be joined or fused to form a ring, Formulations, OLEDs, and consumer products containing the compound are also provided.
    Type: Application
    Filed: June 7, 2024
    Publication date: January 16, 2025
    Applicant: Universal Display Corporation
    Inventors: Rasha HAMZE, Hsiao-Fan CHEN, Wystan Neil PALMER, Fadi M. JRADI, Morgan C. MACINNIS, Nicholas J. THOMPSON, Peter WOLOHAN, Noah HOROWITZ, Charles J. STANTON, Andres VAZQUEZ-LOPEZ, Diana LUCAS BACA
  • Publication number: 20240425750
    Abstract: Provided are organic compounds comprising a first moiety and a second moiety which are connected by a structure comprising at least four 6-membered carbocyclic groups which hare grouped around a central C, Si, or Ge atom. Also provided are formulations comprising these organic compounds. Further provided are organic light emitting devices (OLEDs) and related consumer products that utilize these organic compounds.
    Type: Application
    Filed: May 24, 2024
    Publication date: December 26, 2024
    Applicant: UNIVERSAL DISPLAY CORPORATION
    Inventors: Peter Wolohan, Tyler Fleetham, Nicholas J. Thompson
  • Publication number: 20240415016
    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: June 20, 2024
    Publication date: December 12, 2024
    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, Wystan Neil PALMER
  • Patent number: 12167678
    Abstract: A compound of Formula I: wherein: X1-X8 are each independently C or N, wherein two adjacent X1-X8 are carbon-fused to a structure of Formula II: X9-X12 are each independently C or N; A1, A2, and A3 are each independently selected from the group consisting of O, S, Se, N, NR, CR, CRR?, SiR, SiRR?, GeR, and GeRR?, with at least one of A1 and A2 being N or NR; each occurrence of is independently a single bond or a double bond, wherein one occurrence of is a single bond and one occurrence of is a double bond; each of RA, RB, and RC independently represents zero, mono, or up to a maximum allowed substitution to its associated ring; each of occurrence R, R?, RA, RB, and RC is independently a hydrogen or a substituent selected from the group consisting of Formula III, Formula IV, Formula V, Formula VI, Formula VII, Formula VIII, Formula IX, deuterium, halogen, alkyl, cycloalkyl, heteroalkyl, heterocycloalkyl, arylalkyl, alkoxy, aryloxy, amino, silyl, boryl, alkenyl, cycloalkenyl, heteroalkenyl, a
    Type: Grant
    Filed: December 13, 2022
    Date of Patent: December 10, 2024
    Inventors: Tyler Fleetham, Peter Wolohan
  • Publication number: 20240407262
    Abstract: This invention relates to the development of heterocyclic materials with high triplet excitation energy, which can be used as host materials in electroluminescent devices such as a PHOLED. The materials improve the performance of such devices by enhancing the lifetime and efficiency of the device when the newly developed heterocyclic materials are utilized as a host.
    Type: Application
    Filed: August 5, 2024
    Publication date: December 5, 2024
    Inventors: Peter Wolohan, Bin Ma, George Fitzgerald, Daniel W. Silverstein