Patents by Inventor Geza SZIGETHY

Geza SZIGETHY 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: 10418569
    Abstract: A family of phosphorescent emitter compounds containing a carbene ligand LA selected from the group consisting of: is disclosed. These compounds enhance the performance of OLEDs when incorporated therein.
    Type: Grant
    Filed: December 29, 2015
    Date of Patent: September 17, 2019
    Assignee: Universal Display Corporation
    Inventors: Raymond Kwong, Sze Kui Lam, Siu Tung Lam, Kit Yee Tsang, Chi Hang Lee, Geza Szigethy
  • Patent number: 10403830
    Abstract: An organic light emitting device (OLED) is provided. The OLED has an anode, a cathode, and an emission layer, disposed between the anode and the cathode, including a first emitting compound; wherein the first emitting compound is capable of functioning as a blue phosphorescent emitter in the OLED at room temperature; wherein the first emitting compound has PLQY of less than 90% at room temperature; wherein the OLED has an external quantum efficiency of between 8% and 20% at 1 mA/cm2.
    Type: Grant
    Filed: January 5, 2017
    Date of Patent: September 3, 2019
    Assignee: Universal Display Corporation
    Inventors: Michael S. Weaver, Nicholas J. Thompson, Jason Brooks, Geza Szigethy, Glenn Morello, Jun Deng, Peter I. Djurovich, Hsiao-Fan Chen
  • Publication number: 20190267555
    Abstract: An organic light emitting device (OLED) that includes an anode, a first organic layer, a second organic layer, a third organic layer, an emissive layer, and a cathode is disclosed. The emissive layer can include a first emissive dopant, and the third organic layer comprises A consumer product containing the OLED is also described.
    Type: Application
    Filed: May 9, 2019
    Publication date: August 29, 2019
    Applicant: UNIVERSAL DISPLAY CORPORATION
    Inventors: JUI-YI TSAI, Gregg Kottas, Walter Yeager, Zeinab Elshenawy, Chuanjun Xia, Geza Szigethy, Jason Brooks
  • Publication number: 20190207128
    Abstract: Imidazophenanthridine ligands and metal complexes are provided. The compounds exhibit improved stability through a linking substitution that links a nitrogen bonded carbon of an imidizole ring to a carbon on the adjacent fused aryl ring. The compounds may be used in organic light emitting devices, particularly as emissive dopants, providing devices with improved efficiency, stability, and manufacturing. In particular, the compounds provided herein may be used in blue devices having high efficiency.
    Type: Application
    Filed: March 7, 2019
    Publication date: July 4, 2019
    Applicant: Universal Display Corporation
    Inventors: Jason BROOKS, Geza SZIGETHY, Glenn MORELLO, Jun DENG, Peter I. DJUROVICH, Hsiao-Fan CHEN
  • Publication number: 20190140194
    Abstract: An OLED structure including a first organic layer disposed between the anode and the cathode is disclosed. The first organic layer includes a primary phosphorescent emitter and a first host, and where one of the following conditions is true: (1) the first organic layer further includes a secondary emitter; or (2) the OLED further includes a second organic layer disposed between the anode and the cathode, wherein the second organic layer includes a secondary emitter. The phosphorescent emitter has a peak emission wavelength ?max that is ?600 nm and ?750 nm, the secondary emitter has a peak emission wavelength ?max that is ?750 nm, and the first host has a lowest excited state triplet energy T1 that is at least 0.1 eV higher than that of the primary phosphorescent emitter.
    Type: Application
    Filed: October 12, 2018
    Publication date: May 9, 2019
    Applicant: UNIVERSAL DISPLAY CORPORATION
    Inventors: Eric A. MARGULIES, Zhiqiang JI, Nicholas J. THOMPSON, Geza SZIGETHY, Michael S. WEAVER, Jerald FELDMAN
  • Patent number: 10276805
    Abstract: Imidazophenanthridine ligands and metal complexes are provided. The compounds exhibit improved stability through a linking substitution that links a nitrogen bonded carbon of an imidizole ring to a carbon on the adjacent fused aryl ring. The compounds may be used in organic light emitting devices, particularly as emissive dopants, providing devices with improved efficiency, stability, and manufacturing. In particular, the compounds provided herein may be used in blue devices having high efficiency.
    Type: Grant
    Filed: November 29, 2017
    Date of Patent: April 30, 2019
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Jason Brooks, Geza Szigethy, Glenn Morello, Jun Deng, Peter I. Djurovich, Hsiao-Fan Chen
  • Patent number: 10263198
    Abstract: Imidazophenanthridine ligands and metal complexes are provided. The compounds exhibit improved stability through a linking substitution that links a nitrogen bonded carbon of an imidizole ring to a carbon on the adjacent fused aryl ring. The compounds may be used in organic light emitting devices, particularly as emissive dopants, providing devices with improved efficiency, stability, and manufacturing. In particular, the compounds provided herein may be used in blue devices having high efficiency.
    Type: Grant
    Filed: October 12, 2016
    Date of Patent: April 16, 2019
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Jason Brooks, Geza Szigethy, Glenn Morello, Jun Deng, Peter I. Djurovich
  • Patent number: 10256419
    Abstract: Imidazophenanthridine ligands and metal complexes are provided. The compounds exhibit improved stability through a linking substitution that links a nitrogen bonded carbon of an imidizole ring to a carbon on the adjacent fused aryl ring. The compounds may be used in organic light emitting devices, particularly as emissive dopants, providing devices with improved efficiency, stability, and manufacturing. In particular, the compounds provided herein may be used in blue devices having high efficiency.
    Type: Grant
    Filed: November 5, 2015
    Date of Patent: April 9, 2019
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Jason Brooks, Geza Szigethy, Glenn Morello, Jun Deng, Peter I. Djurovich, Hsiao-Fan Chen
  • Publication number: 20190051845
    Abstract: A compound having a structure of the formula Ir(LA)(LB), in which LA is a bidentate, tridentate, tetradentate, pentadentate, or hexadentate ligand and LB is a monodentate, bidentate, tridentate, or tetradentate ligand, or not present, and where the total denticity of LA plus LB is 6, and LA includes at least one structure of Formula I: is disclosed as a useful phosphorescent emitter compound.
    Type: Application
    Filed: July 25, 2018
    Publication date: February 14, 2019
    Applicant: UNIVERSAL DISPLAY CORPORATION
    Inventors: Geza SZIGETHY, Joseph A. MACOR, Charles STANTON, Galyna DUBININA, Douglas WILLIAMS
  • Publication number: 20180319830
    Abstract: The present invention includes novel hexadentate metal complexes. The complexes hexadentate ligands of the present invention may be useful as improved emitters in an OLED device.
    Type: Application
    Filed: April 3, 2018
    Publication date: November 8, 2018
    Inventor: Geza Szigethy
  • Publication number: 20180287078
    Abstract: Phosphorescent complexes are designed with intramolecular H-bonding properties to prevent deprotonation of neighboring molecules.
    Type: Application
    Filed: May 31, 2018
    Publication date: October 4, 2018
    Inventors: Hsiao-Fan Chen, Scott Beers, Geza Szigethy, Jason Brooks
  • Publication number: 20180277776
    Abstract: Compounds having the structure of Formula M(LA)x(LB)y and Formula III, are disclosed. In Formula M(LA)x(LB)y, Ligand LA is and ligand LB is a mono anionic bidentate ligand. In these compounds, metal M has an atomic number greater than 40; x is 1, 2, or 3; y is 0, 1, or 2; x+y is the oxidation state of metal M; L11 represents a linking group selected from alkyl, cycloalkyl, aryl, and heteroaryl; L12 represents a linking group selected from NR15 and PR15; each R1, R2, R3, R4, R5, R6, R11, R12, R13, R14, and R15 is independently selected from a group of substituents, wherein any adjacent substituents are optionally joined to form a fused or unfused ring; and LA and LB are optionally joined to form a ligand that is at least tetradentate. Formulations and devices, such as OLEDs, that include the compound of Formula M(LA)x(LB)y(LC)z are also described.
    Type: Application
    Filed: January 18, 2018
    Publication date: September 27, 2018
    Applicant: Universal Display Corporation
    Inventors: Geza SZIGETHY, Jason BROOKS, Scott BEERS, Nicholas J. THOMPSON
  • Publication number: 20180240989
    Abstract: A compound comprising a ligand LA of Formula I: as well as, devices and formulations containing the compound of Formula 1 are disclosed. In the compounds, having a ligand La of Formula I: wherein R1 represents mono, or di-substitution, or no substitution; wherein R2 represents di, tri, or tetra-substitution; wherein R is selected from hydrogen, deuterium, alkyl, cycloalkyl, and combinations thereof; wherein R1 and R2 are each independently selected from hydrogen, deuterium, alkyl, cycloalkyl, aryl, and combinations thereof; wherein at least one pair of adjacent R2 substitutions are joined to form a fused ring; wherein the ligand LA is coordinated to a metal M; and wherein the ligand LA is optionally linked with other ligands to comprise a tridentate, tetradentate, pentadentate or hexadentate ligand.
    Type: Application
    Filed: April 19, 2018
    Publication date: August 23, 2018
    Applicant: Universal Display Corporation
    Inventors: JUI-YI TSAI, Gregg Kottas, Walter Yeager, Zeinab Elshenawy, Chuanjun Xia, Geza Szigethy, Jason Brooks
  • Patent number: 10008679
    Abstract: Phosphorescent complexes are designed with intramolecular H-bonding properties to prevent deprotonation of neighboring molecules.
    Type: Grant
    Filed: March 27, 2015
    Date of Patent: June 26, 2018
    Assignee: Universal Display Corporation
    Inventors: Hsiao-Fan Chen, Scott Beers, Geza Szigethy, Jason Brooks
  • Patent number: 9978961
    Abstract: A compound comprising a ligand LA of Formula I: as well as, devices and formulations containing the compound of Formula 1 are disclosed. In the compounds, having a ligand La of Formula I: wherein R1 represents mono, or di-substitution, or no substitution; wherein R2 represents mono, di, tri, or tetra-substitution, or no substitution; wherein R is selected from hydrogen, deuterium, alkyl, cycloalkyl, and combinations thereof; wherein R1 and R2 are each independently selected from hydrogen, deuterium, alkyl, cycloalkyl, aryl, and combinations thereof; wherein any adjacent substituents of R2 are optionally joined to form a fused ring; wherein the ligand LA is coordinated to a metal M; and wherein the ligand LA is optionally linked with other ligands to comprise a tridentate, tetradentate, pentadentate or hexadentate ligand.
    Type: Grant
    Filed: June 20, 2014
    Date of Patent: May 22, 2018
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Jui-Yi Tsai, Gregg Kottas, Walter Yeager, Zeinab Elshenawy, Chuanjun Xia, Geza Szigethy, Jason Brooks
  • Publication number: 20180090691
    Abstract: Imidazophenanthridine ligands and metal complexes are provided. The compounds exhibit improved stability through a linking substitution that links a nitrogen bonded carbon of an imidizole ring to a carbon on the adjacent fused aryl ring. The compounds may be used in organic light emitting devices, particularly as emissive dopants, providing devices with improved efficiency, stability, and manufacturing. In particular, the compounds provided herein may be used in blue devices having high efficiency.
    Type: Application
    Filed: November 29, 2017
    Publication date: March 29, 2018
    Applicant: Universal Display Corporation
    Inventors: Jason BROOKS, Geza Szigethy, Glenn Morello, Jun Deng, Peter I. Djurovich, Hsiao-Fan Chen
  • Publication number: 20180076398
    Abstract: A novel type of blue emitter is described based on the azaphenanthridine imidazole ligand. The preferred use of this moiety for generating blue phosphorescence is as part of a symmetric platinum tetradentate complex.
    Type: Application
    Filed: November 17, 2017
    Publication date: March 15, 2018
    Inventors: Jason Brooks, Geza Szigethy, Scott Beers
  • Patent number: 9911931
    Abstract: Compounds having the structure of Formula M(LA)x(LB)y and Formula III, are disclosed. In Formula M(LA)x(LB)y, Ligand LA is and ligand LB is a mono anionic bidentate ligand. In these compounds, metal M has an atomic number greater than 40; x is 1, 2, or 3; y is 0, 1, or 2; x+y is the oxidation state of metal M; L11 represents a linking group selected from alkyl, cycloalkyl, aryl, and heteroaryl; L12 represents a linking group selected from NR15 and PR15; each R1, R2, R3, R4, R5, R6, R11, R12, R13, R14, and R15 is independently selected from a group of substituents, wherein any adjacent substituents are optionally joined to form a fused or unfused ring; and LA and LB are optionally joined to form a ligand that is at least tetradentate. Formulations and devices, such as OLEDs, that include the compound of Formula M(LA)x(LB)y are also described.
    Type: Grant
    Filed: June 2, 2015
    Date of Patent: March 6, 2018
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Geza Szigethy, Jason Brooks, Scott Beers, Nicholas J. Thompson
  • Patent number: 9911928
    Abstract: A new class of blue emissive complexes are described. The compounds comprise pyridyl benzimidazole ligands with twisted aryl groups for improved color.
    Type: Grant
    Filed: March 18, 2016
    Date of Patent: March 6, 2018
    Assignee: Universal Display Corporation
    Inventors: Scott Beers, Geza Szigethy, Jason Brooks
  • Patent number: 9905785
    Abstract: This invention discloses novel metal complexes for phosphorescent OLEDs. The incorporation of a specific nitrogen substitution in the benzimidazole phenanthridine ligand system is shown to provide desirable color.
    Type: Grant
    Filed: March 27, 2015
    Date of Patent: February 27, 2018
    Assignee: Universal Display Corporation
    Inventors: Jason Brooks, Geza Szigethy, Scott Beers, Hsiao-Fan Chen