Patents by Inventor Suman Layek

Suman Layek 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: 20220115607
    Abstract: Provided are organometallic compounds including a ligand LA of a structure of Also provided are formulations including these organometallic compounds. Further provided are OLEDs and related consumer products that utilize these organometallic compounds.
    Type: Application
    Filed: September 23, 2021
    Publication date: April 14, 2022
    Applicant: UNIVERSAL DISPLAY CORPORATION
    Inventors: Scott BEERS, Hsiao-Fan CHEN, Jason BROOKS, Alexey Borisovich DYATKIN, Suman LAYEK, Jui-Yi TSAI, Rasha HAMZE
  • Patent number: 11271177
    Abstract: A compound comprising a ligand LA coordinated to a metal M, the ligand LA selected from the group consisting of Formula I, Formula II, and Formula III ring A is a 5- or 6-membered carbocyclic or heterocyclic ring; wherein ring A of Formula I connects to ring B at X1, X2, or X3 to form a five-membered chelate ring with the metal; Z1 and Z2 are independently selected from C or N; and X1 to X10 are independently selected from C or N. An organic light emitting device (OLED) comprising an anode, a cathode and an organic layer disposed between the anode and the cathode, the organic layer comprising a compound selected from Formula I, Formula II, or Formula III, and a consumer product comprising the OLED.
    Type: Grant
    Filed: December 21, 2018
    Date of Patent: March 8, 2022
    Assignee: Universal Display Corporation
    Inventors: Zhiqiang Ji, Jui-Yi Tsai, Alexey Borisovich Dyatkin, Suman Layek, Pierre-Luc T. Boudreault
  • Publication number: 20220052275
    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: July 21, 2021
    Publication date: February 17, 2022
    Applicant: Universal Display Corporation
    Inventors: Alexey Borisovich DYATKIN, Jui-Yi TSAI, Zhiqiang JI, Suman LAYEK, Pierre-Luc T. BOUDREAULT
  • Patent number: 11233205
    Abstract: A compound of Formula I wherein M is a metal selected from Ir or Os; rings A, B, C, D, E, and F are independently a 5-membered or 6-membered aromatic ring; Z1 to Z14 are independently selected from C or N; X is selected from a direct bond, or a linker with one to ten backbone member atoms; and Y is selected from a direct bond, a linker with one to ten backbone member atoms, or is absent to provide an open hexadentate ligand. An organic electroluminescent device (OLED) that includes an anode, a cathode, and an organic layer comprising a compound of the Formula I, and a consumer product comprising the OLED.
    Type: Grant
    Filed: December 14, 2018
    Date of Patent: January 25, 2022
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Jui-Yi Tsai, Alexey Borisovich Dyatkin, Zhiqiang Ji, Suman Layek
  • Patent number: 11228004
    Abstract: A compound comprising a ligand LA coordinated to a metal M wherein ring A, ring T, and ring W are independently selected from a 5-membered or 6-membered heterocyclic or carbocyclic ring, and the ring W is fused to the ring T. The metal compounds having a ligand LA can be found in an OLED that includes an organic layer positioned between an anode and a cathode where the organic layer comprises a metal compound above having a ligand LA disclosed herein. We also describe a consumer product comprising the OLED.
    Type: Grant
    Filed: May 31, 2019
    Date of Patent: January 18, 2022
    Assignee: Universal Display Corporation
    Inventors: Suman Layek, Zhiqiang Ji, Alexey Borisovich Dyatkin, Pierre-Luc T. Boudreault, Jui-Yi Tsai
  • Patent number: 11228002
    Abstract: A compound having a formula M(LA)(LB)(LC) is disclosed. Each of ligands LA and LB are mono-anionic bidentate ligands coordinated to metal M forming a 5-member cyclometalated ring. Ligands LA and LB are covalently linked by a first linking group, where there is at least one loop of M-LA-first linking group-LB-M having only carbocyclic or heterocyclic groups in the loop other than M. Wherein the first linking group includes multiple aliphatic or aromatic rings that are separated by at least one single bond, where each ring in the first linking group is part of the backbone of the loop. Devices, such as organic light emitting diodes, including the compounds are also disclosed.
    Type: Grant
    Filed: August 8, 2017
    Date of Patent: January 18, 2022
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Suman Layek, Chuanjun Xia
  • Patent number: 11228003
    Abstract: A compound having a formula M(LA)(LB)(LC) is described. In formula M(LA)(LB)(LC), ligands LA and LB are each a mono-anionic bidentate ligand coordinated to metal M forming a 5-member cyclometalated ring and ligands LA and LB are covalently linked by a linking group. There is at least one loop of M-LA-linking group-LB-M having only arylene or heteroarylene groups in the loop other than M. In the compound, each ring in the linking group is part of a backbone of the loop; and either (i) the loop comprises a specific DBX moiety and the linking group comprises two or more arylene or heteroarylene groups, or (ii) the linking group comprises three or more arylene or heteroarylene groups. Formulations, OLEDs, and consumer product containing the compound are also disclosed.
    Type: Grant
    Filed: March 13, 2017
    Date of Patent: January 18, 2022
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Suman Layek, Chuanjun Xia
  • Publication number: 20210399236
    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 20, 2021
    Publication date: December 23, 2021
    Applicant: Universal Display Corporation
    Inventors: Suman LAYEK, Jui-Yi TSAI, Alexey Borisovich DYATKIN, Zhiqiang JI, Walter YEAGER, Pierre-Luc T. BOUDREAULT
  • Publication number: 20210395276
    Abstract: Provided are spiro-bisilepine compounds. Also provided are formulations comprising these spiro-bisilepine compounds. Further provided are OLEDs and related consumer products that utilize these spiro-bisilepine compounds.
    Type: Application
    Filed: May 11, 2021
    Publication date: December 23, 2021
    Applicant: Universal Display Corporation
    Inventors: Tyler FLEETHAM, Suman Layek
  • Publication number: 20210355092
    Abstract: Provided are carbazole-based host compounds containing a 9-membered ring represented by Formula I where the variables are defined herein. Also provided are formulations comprising these carbazole-based hosts compounds. Further provided are OLEDs and related consumer products that utilize these carbazole-based hosts compounds.
    Type: Application
    Filed: April 14, 2021
    Publication date: November 18, 2021
    Applicant: Universal Display Corporation
    Inventors: Suman LAYEK, Hsiao-Fan CHEN, Tyler FLEETHAM
  • Patent number: 11108000
    Abstract: A compound having the formula Ir(LA)n(LB)3?n is disclosed wherein LA is an aza-DBF ligand and LB is an alkyl-substituted phenylpyridine ligand, wherein the compound has a structure according to Formula I: wherein A1, A2, A3, A4, A5, A6, A7, and A8 comprise carbon or nitrogen; wherein at least one of A1, A2, A3, A4, A5, A6, A7, and A8 is nitrogen; wherein ring B is bonded to ring A through a C—C bond; wherein the iridium is bonded to ring A through a Ir—C bond; wherein X is O, S, or Se; wherein R1 and R2 each independently represent mono-, di-, tri-, tetra-substitution, or no substitution; wherein R? and R? each independently represent mono-, di-substitution, or no substitution; wherein any adjacent substitutions in R?, R?, R1, R2, R3, R4, R5, and R6 are optionally linked together to form a ring; wherein R1, R2, R?, and R? are each independently selected from the group consisting of hydrogen, deuterium, halide, alkyl, cycloalkyl, heteroalkyl, arylalkyl, alkoxy, aryloxy, amino, silyl, alkenyl, cycloalkenyl,
    Type: Grant
    Filed: May 3, 2018
    Date of Patent: August 31, 2021
    Assignee: UNNIVERSAL DISPLAY CORPORATION
    Inventors: Bin Ma, Walter Yeager, Edward Barron, Alan Deangelis, Chuanjun Xia, Vadim Adamovich, Scott Beers, Harvey R. Wendt, Suman Layek
  • Publication number: 20210257554
    Abstract: A composition of materials including a first compound having a structure according to Formula I
    Type: Application
    Filed: January 19, 2021
    Publication date: August 19, 2021
    Applicant: Universal Display Corporation
    Inventors: Lichang ZENG, Suman LAYEK, Pierre-Luc T. BOUDREAULT, Zeinab ELSHENAWY, Gregg KOTTAS, Alexey Borisovich DYATKIN, Scott JOSEPH, Vadim ADAMOVICH, Chuanjun XIA, Ting-Chih WANG, Walter YEAGER
  • Publication number: 20210167302
    Abstract: Provided are compounds that include a ligand LA of Formula I
    Type: Application
    Filed: February 8, 2021
    Publication date: June 3, 2021
    Applicant: Universal Display Corporation
    Inventors: Suman LAYEK, Pierre-Luc T. BOUDREAULT, Bert ALLEYNE, Wei-Chun SHIH
  • Patent number: 11024811
    Abstract: A composition of materials including a first compound having a structure according to Formula I
    Type: Grant
    Filed: April 10, 2019
    Date of Patent: June 1, 2021
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Lichang Zeng, Suman Layek, Pierre-Luc T. Boudreault, Zeinab Elshenawy, Gregg Kottas, Alexey Borisovich Dyatkin, Scott Joseph, Vadim Adamovich, Chuanjun Xia, Ting-Chih Wang, Walter Yeager
  • Publication number: 20210101921
    Abstract: Provided is a compound comprising a ligand LA having where ring A is a 5-membered or 6-membered cathocyclic or heterocyclic ring; one of X1-X4 is C if linked to ring A; one of X1-X4 is N if adjacent to the linking C and coordinates to a metal M to form a five-membered chelate ring as indicated by the two dashed lines.
    Type: Application
    Filed: September 17, 2020
    Publication date: April 8, 2021
    Applicant: Universal Display Corporation
    Inventors: Pierre-Luc T. BOUDREAULT, Suman LAYEK, Bert ALLEYNE
  • Publication number: 20210094978
    Abstract: Provided are compounds that include a ligand LA of Formula I
    Type: Application
    Filed: September 14, 2020
    Publication date: April 1, 2021
    Applicant: Universal Display Corporation
    Inventors: Suman LAYEK, Pierre-Luc T. BOUDREAULT, Bert ALLEYNE
  • Publication number: 20210050530
    Abstract: Organometallic compounds comprising an imidazole carbene ligand having a N-containing ring fused to the imidazole ring are provided. In particular, the N-containing ring fused to the imidazole ring may contain one nitrogen atom or more than one nitrogen atom. These compounds may demonstrate high photoluminescent (PL) efficiency, Gaussian emission spectra, and/or short excited state lifetimes. These materials may be especially useful as blue phosphorescent emitters.
    Type: Application
    Filed: November 2, 2020
    Publication date: February 18, 2021
    Applicant: Universal Display Corporation
    Inventors: Yonggang Wu, Chuanjun Xia, James Fiordeliso, Suman Layek, Bert Alleyne, Alexey Borisovich Dyatkin, Nasrin Ansari, Scott Beers, Edward Barron, Jason Brooks
  • Publication number: 20210024556
    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: Application
    Filed: June 30, 2020
    Publication date: January 28, 2021
    Applicant: Universal Display Corporation
    Inventors: Chun LIN, Pierre-Luc T. BOUDREAULT, Bert ALLEYNE, Zhiqiang JI, Suman LAYEK
  • Patent number: 10873038
    Abstract: Organometallic compounds comprising an imidazole carbene ligand having a N-containing ring fused to the imidazole ring are provided. In particular, the N-containing ring fused to the imidazole ring may contain one nitrogen atom or more than one nitrogen atom. These compounds may demonstrate high photoluminescent (PL) efficiency, Gaussian emission spectra, and/or short excited state lifetimes. These materials may be especially useful as blue phosphorescent emitters.
    Type: Grant
    Filed: April 10, 2018
    Date of Patent: December 22, 2020
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Yonggang Wu, Chuanjun Xia, James Fiordeliso, Suman Layek, Bert Alleyne, Alexey Borisovich Dyatkin, Nasrin Ansari, Scott Beers, Edward Barron, Jason Brooks
  • Patent number: 10707423
    Abstract: The present invention relates to novel organic compounds containing oligocarbazoles. The compounds are useful for organic light-emitting diodes. The compounds are also useful for charge-transport and charge-blocking layers, and as hosts in the light-emissive layer for organic light emitting devices (OLEDs).
    Type: Grant
    Filed: February 21, 2014
    Date of Patent: July 7, 2020
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Lichang Zeng, Suman Layek, Walter Yeager, Kwang-Ohk Cheon, Chuanjun Xia