Patents by Inventor Walter Yeager

Walter Yeager 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: 20210135130
    Abstract: Provided are organoiridium compounds of Formula Ir(LA)x(LB)y(LC)z, where: x is 1 or 2; y is 1 or 2; z is 0 or 1; x+y+z=3; and LC is a monoanionic bidentate ligand. Also provided are formulations comprising these organoiridium compounds. Further provided are OLEDs and related consumer products that utilize these organoiridium compounds.
    Type: Application
    Filed: October 13, 2020
    Publication date: May 6, 2021
    Applicant: Universal Display Corporation
    Inventors: Jui-Yi TSAI, Alexey Borisovich DYATKIN, Walter YEAGER, Morgan C. Macinnis, Pierre-Luc T. Boudreault, Miguel A. Easteruelas, Erik Mora, Enrique Oñate
  • Patent number: 10998508
    Abstract: An OLED including an organic layer that contains metal complex compounds that are useful as a phosphorescent emitter is disclosed. The metal complex compounds include ligands that incorporate fluorinated side chains and has at least one substituent R selected from the group consisting of partially fluorinated alkyl, partially fluorinated cycloalkyl, and combinations thereof, wherein R is directly bonded to an aromatic ring, In the compound, C having an F attached thereto is separated by at least one carbon atom from the aromatic ring.
    Type: Grant
    Filed: August 23, 2017
    Date of Patent: May 4, 2021
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Pierre-Luc T. Boudreault, Walter Yeager, Chuanjun Xia
  • Patent number: 10978649
    Abstract: Compounds comprising phosphorescent metal complexes comprising cyclometallated ligands having a structure of In the vgs3, each of the E1 atoms is selected from C and N, except that E1g is selected from C, N, and S. The E1 atoms collectively comprise an 18 pi-electron system, provided that E1a and E1p are different. The R1 substituents are each, independently, H, hydrocarbyl, heteroatom substituted hydrocarbyl, cyano, fluoro, OR2a, SR2a, NR2aR2b, BR2aR2b, or SiR2aR2bR2c, where the R2 substituents are each, independently, hydrocarbyl or heteroatom substituted hydrocarbyl. Any of the R1 or R2 substituents can be linked to form a saturated or unsaturated, aromatic or non-aromatic ring, provided that the R1 substituents are not present when the corresponding one of E atoms is N or S. Organic light emitting diode devices comprising these compounds are also described.
    Type: Grant
    Filed: July 13, 2020
    Date of Patent: April 13, 2021
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: David Knowles, Chun Lin, Peter Mackenzie, Jui-Yi Tsai, Robert W. Walters, Scott Beers, Cory S. Brown, Walter Yeager
  • 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
  • Publication number: 20210054010
    Abstract: Provided are a compound comprising a ligand LA of Formula I that are useful as emitters in organic light emitting devices.
    Type: Application
    Filed: July 25, 2020
    Publication date: February 25, 2021
    Applicant: Universal Display Corporation
    Inventors: Jui-Yi TSAI, Alexey Borisovich DYATKIN, Walter YEAGER, Pierre-Luc T. BOUDREAULT
  • 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: 20210032278
    Abstract: Provided are multicyclic organic electroluminescent compounds having a ligand LA of Formula I shown below: Also provided are OLEDs and related consumer products that contain an organic layer having these organic electroluminescent compounds.
    Type: Application
    Filed: July 14, 2020
    Publication date: February 4, 2021
    Applicant: Universal Display Corporation
    Inventors: Jui-Yi TSAI, Alexey Borisovich DYATKIN, Walter YEAGER, Pierre-Luc T. BOUDREAULT
  • 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: 20200411774
    Abstract: An OLED including an organic layer that contains metal complex compounds that are useful as a phosphorescent emitter is disclosed. The metal complex compounds include ligands that incorporate fluorinated side chains and has at least one substituent R selected from the group consisting of partially fluorinated alkyl, partially fluorinated cycloalkyl, and combinations thereof, wherein R is directly bonded to an aromatic ring, In the compound, C having an F attached thereto is separated by at least one carbon atom from the aromatic ring.
    Type: Application
    Filed: September 11, 2020
    Publication date: December 31, 2020
    Applicant: Universal Display Corporation
    Inventors: Jui-Yi TSAI, Alexey Borisovich DYATKIN, Pierre-Luc T. BOUDREAULT, Walter YEAGER, Chuanjun XIA
  • Publication number: 20200392172
    Abstract: Provided are organometallic compounds compound of Also provided are formulations comprising these organometallic compounds. Further provided are OLEDs and related consumer products that utilize these organometallic compounds.
    Type: Application
    Filed: May 29, 2020
    Publication date: December 17, 2020
    Applicant: Universal Display Corporation
    Inventors: Jui-Yi TSAI, Alexey Borisovich DYATKIN, Tyler FLEETHAM, Jerald FELDMAN, Walter YEAGER, Pierre-Luc T. BOUDREAULT, Bert ALLEYNE
  • Patent number: 10862054
    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: Grant
    Filed: June 9, 2017
    Date of Patent: December 8, 2020
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Zhiqiang Ji, Lichang Zeng, Jui-Yi Tsai, Chun Lin, Chuanjun Xia, Alexey Borisovich Dyatkin, Walter Yeager
  • Patent number: 10854826
    Abstract: An OLED including an organic layer that contains metal complex compounds that are useful as a phosphorescent emitter is disclosed. The metal complex compounds include ligands that incorporate fluorinated side chains and has at least one substituent R selected from the group consisting of partially fluorinated alkyl, partially fluorinated cycloalkyl, and combinations thereof, wherein R is directly bonded to an aromatic ring. In the compound, C having an F attached thereto is separated by at least one carbon atom from the aromatic ring.
    Type: Grant
    Filed: March 5, 2018
    Date of Patent: December 1, 2020
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Jui-Yi Tsai, Alexey Borisovich Dyatkin, Pierre-Luc T. Boudreault, Walter Yeager, Chuanjun Xia
  • Patent number: 10844085
    Abstract: A compound having the formula [LA]3-nIr[LB]n is disclosed. In the formula, LA is and LB is Formula I.
    Type: Grant
    Filed: March 12, 2018
    Date of Patent: November 24, 2020
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Zhiqiang Ji, Jui-Yi Tsai, Lichang Zeng, Alexey Borisovich Dyatkin, Walter Yeager, Eric Margulies, Pierre-Luc T. Boudreault
  • Publication number: 20200361975
    Abstract: Provided is a compound comprising a first ligand LA of where at least one of RA and RB is a structure of
    Type: Application
    Filed: April 24, 2020
    Publication date: November 19, 2020
    Applicant: Universal Display Corporation
    Inventors: Walter YEAGER, Zhiqiang JI, Pierre-Luc T. BOUDREAULT
  • Publication number: 20200350504
    Abstract: Compounds comprising phosphorescent metal complexes comprising cyclometallated ligands having a structure of In the vgs3, each of the E1 atoms is selected from C and N, except that E1g is selected from C, N, and S. The E1 atoms collectively comprise an 18 pi-electron system, provided that E1a and E1p are different. The R1 substituents are each, independently, H, hydrocarbyl, heteroatom substituted hydrocarbyl, cyano, fluoro, OR2a, SR2a, NR2aR2b, BR2aR2b, or SiR2aR2bR2c, where the R2 substituents are each, independently, hydrocarbyl or heteroatom substituted hydrocarbyl. Any of the R1 or R2 substituents can be linked to form a saturated or unsaturated, aromatic or non-aromatic ring, provided that the R1 substituents are not present when the corresponding one of E atoms is N or S. Organic light emitting diode devices comprising these compounds are also described.
    Type: Application
    Filed: July 13, 2020
    Publication date: November 5, 2020
    Applicant: Universal Display Corporation
    Inventors: DAVID KNOWLES, Chun Lin, Peter Mackenzie, Jui-Yi Tsai, Robert W. Walters, Scott Beers, Cory S. Brown, Walter Yeager
  • Publication number: 20200335710
    Abstract: A compound having a metal coordination complex structure, where the compound is capable of functioning as a phosphorescent emitter in an organic light emitting device at room temperature is disclosed. The compound has a first ligand coordinated to a metal. The free-state of the first ligand has a first triplet energy T1 of EL at 77K, while the compound has a first triplet energy T1 of E at 77K, and the difference in energy (?E) between E and EL is ?250 meV. The compound has a triplet emission spectrum with a FWHM value of no more than 45 nm. Organic light emitting devices, consumer products, and formulations containing the compounds are also disclosed.
    Type: Application
    Filed: June 16, 2020
    Publication date: October 22, 2020
    Applicant: Universal Display Corporation
    Inventors: Jui-Yi TSAI, Eric A. MARGULIES, Zhiqiang JI, Alexey Borisovich DYATKIN, Walter YEAGER, Mingjuan SU
  • Patent number: 10811620
    Abstract: An OLED including an organic layer that contains metal complex compounds that are useful as a phosphorescent emitter is disclosed. The metal complex compounds include ligands that incorporate fluorinated side chains and has at least one substituent R selected from the group consisting of partially fluorinated alkyl, partially fluorinated cycloalkyl, and combinations thereof, wherein R is directly bonded to an aromatic ring. In the compound, C having an F attached thereto is separated by at least one carbon atom from the aromatic ring.
    Type: Grant
    Filed: March 5, 2018
    Date of Patent: October 20, 2020
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Jui-Yi Tsai, Alexey Borisovich Dyatkin, Pierre-Luc T. Boudreault, Walter Yeager, Chuanjun Xia
  • Publication number: 20200308204
    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: Application
    Filed: March 26, 2020
    Publication date: October 1, 2020
    Inventors: Alexey Borisovich DYATKIN, Jui-Yi TSAI, Walter YEAGER, Pierre-Luc T. BOUDREAULT, Zhiqiang JI, Alan DeAngelis
  • Publication number: 20200303657
    Abstract: The present invention includes a new series of benzofused heterocyclic ligands for metal complexes. These complexes show promising photophysical performance when incorporated into OLEDs.
    Type: Application
    Filed: March 17, 2020
    Publication date: September 24, 2020
    Applicant: Universal Display Corporation
    Inventors: MINGJUAN SU, WALTER YEAGER, ALAN DEANGELIS, BIN MA, JUI-YI TSAI, LICHANG ZENG, CHUANJUN XIA