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: 9882151
    Abstract: A compound including a ligand L1 of Formula I, is described. In Formula I: rings A and B each independently represent a 5-membered or 6-membered carbocyclic or heterocyclic ring; X, Y, Z, and W are either carbon or nitrogen; R1 to R6 are selected from a variety of substituents, where adjacent substituents can be joined to form a fused ring; ligand L1 is coordinated to a metal M by X-M and Y-M bonds; and ligand L1 is optionally linked with other ligands to produce a tridentate, tetradentate, pentadentate or hexadentate ligand. Formulations and devices, such as an OLEDs, that include the compound that include a ligand L1 of Formula I are also described.
    Type: Grant
    Filed: October 29, 2015
    Date of Patent: January 30, 2018
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Raymond Kwong, Chi Hang Lee, Siu Tung Lam, Kit Yee Tsang, Geza Szigethy
  • Patent number: 9871214
    Abstract: A compound having a Pt tetradentate structure of Formula I, is disclosed. In Formula I, rings A, B, and C each independently represent a 5- or 6-membered carbocyclic or heterocyclic ring; L1, L2, and L3 are each independently selected from the group consisting of a direct bond, BR, NR, PR, O, S, Se, C?O, S?O, SO2, SiRR?, GeRR?, alkyl, cycloalkyl, aryl, heteroaryl, and combinations thereof; X1, X2, and X3 are either carbon or nitrogen; X is O, S, or Se; R1, R2, R3, RA, RB, RC, R, and R? are each independently selected from H and a variety of substituents; and any adjacent R1, R2, R3, RA, RB, RC, R, and R? are optionally joined to form a ring. Formulations and devices, such as OLEDs, that include the compound of Formula I are also described.
    Type: Grant
    Filed: March 23, 2015
    Date of Patent: January 16, 2018
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Gregg Kottas, Zeinab Elshenawy, Geza Szigethy, Chuanjun Xia
  • Patent number: 9847498
    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: Grant
    Filed: March 27, 2015
    Date of Patent: December 19, 2017
    Assignee: Universal Display Corporation
    Inventors: Jason Brooks, Geza Szigethy, Scott Beers
  • Patent number: 9847497
    Abstract: A compound having a structure of Formula M(LA)x(LB)y(LC)z, where ligand LA is ligand LB is and ligand LC is is disclosed. In Formula M(LA)x(LB)y(LC)z, M is a metal having an atomic number greater than 40; x is 1, 2, or 3; y and z are 0, 1, or 2; x+y+z is the oxidation state of metal M; Z1-Z6 are each C or N; ZD is N or a carbene carbon; rings C and D are independently a 5 or 6-membered carbocyclic or heterocyclic ring; R4 is substituted, while each of R1, R2, R3, RC, RD, R11, R12, and R13 are selected from hydrogen and a variety of moieties; and any adjacent substituents of R1, R2, R3, R4, RC, RD, R11, R12, and R13 are optionally joined to form a ring. Formulations and devices, such as an OLEDs, that include the compound of formula M(LA)x(LB)y(LC)z are also described.
    Type: Grant
    Filed: February 6, 2015
    Date of Patent: December 19, 2017
    Assignees: UNIVERSAL DISPLAY CORPORATION, UNIVERSITY OF SOUTHERN CALIFORNIA
    Inventors: Geza Szigethy, Jason Brooks, Mark E. Thompson, Patrick Saris, Peter I. Djurovich
  • Publication number: 20170162802
    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: Application
    Filed: January 5, 2017
    Publication date: June 8, 2017
    Applicant: Universal Display Corporation
    Inventors: Michael S. WEAVER, Nicholas J. THOMPSON, Jason BROOKS, Geza SZIGETHY, Glenn MORELLO, Jun DENG, Peter I. DJUROVICH, Hsiao-Fan CHEN
  • Patent number: 9673407
    Abstract: A compound including a ligand L according to Formula I: as well as, a first device and a formulation containing the same, are disclosed. In the compound including the Ligand L of Formula I: R1 and R2 are independently selected from group consisting of hydrogen, deuterium, halide, alkyl, cycloalkyl, heteroalkyl, arylalkyl, alkoxy, aryloxy, amino, silyl, alkenyl, cycloalkenyl, heteroalkenyl, alkynyl, aryl, heteroaryl, acyl, carbonyl, carboxylic acids, ester, nitrile, isonitrile, sulfanyl, sulfinyl, sulfonyl, phosphino, cyano, and combinations thereof; two adjacent substituents of R1 or R2 are optionally joined to form a fused ring; ligand L is coordinated to transition metal M having an atomic number greater than 40; R1 represent mono, di, tri, or tetra-substitution, or no substitution; R2 represent mono, di, or tri-substitution, or no substitution; and at least one substituent of R1 or R2 is cyano.
    Type: Grant
    Filed: February 28, 2014
    Date of Patent: June 6, 2017
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Geza Szigethy, Christopher B. Murray, Jason Brooks
  • Patent number: 9590195
    Abstract: A compound including a Ligand L of Formula I: as well as, a first device and a formulation containing the same, are disclosed. In the compound including the Ligand L of Formula I: X is selected from the group consisting of S, Se, SiRR? and GeRR?; 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, heteroalkenyl, alkynyl, aryl, heteroaryl, acyl, carbonyl, carboxylic acids, ester, nitrile, isonitrile, sulfanyl, sulfinyl, sulfonyl, phosphino, and combinations thereof; any adjacent substitutions or substituents of R1, R2, R, and R? are optionally linked together to form a ring; the Ligand L is coordinated to a metal M having an atomic number of 40 or greater; and the Ligand L is optionally linked with other ligands to comprise a tridentate, tetradentate, pentadentate or hexadentate ligand.
    Type: Grant
    Filed: February 28, 2014
    Date of Patent: March 7, 2017
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Geza Szigethy, Jason Brooks
  • Publication number: 20170040554
    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: October 12, 2016
    Publication date: February 9, 2017
    Applicant: UNIVERSAL DISPLAY CORPORATION
    Inventors: Jason Brooks, Geza Szigethy, Glenn Morello, Jun Deng, Peter I. Djurovich
  • Publication number: 20160285014
    Abstract: A compound having a Pt tetradentate structure of Formula I, is disclosed. In Formula I, rings A, B, and C each independently represent a 5- or 6-membered carbocyclic or heterocyclic ring; L1, L2, and L3 are each independently selected from the group consisting of a direct bond, BR, NR, PR, O, S, Se, C?O, S?O, SO2, SiRR?, GeRR?, alkyl, cycloalkyl, aryl, heteroaryl, and combinations thereof; X1, X2, and X3 are either carbon or nitrogen; X is O, S, or Se; R1, R2, R3, RA, RB, RC, R, and R? are each independently selected from H and a variety of substituents; and any adjacent R1, R2, R3, RA, RB, RC, R, and R? are optionally joined to form a ring. Formulations and devices, such as OLEDs, that include the compound of Formula I are also described.
    Type: Application
    Filed: March 23, 2015
    Publication date: September 29, 2016
    Applicant: UNIVERSAL DISPLAY CORPORATION
    Inventors: Gregg KOTTAS, Zeinab ELSHENAWY, Geza SZIGETHY, Chuanjun XIA
  • Publication number: 20160276603
    Abstract: A new class of blue emissive complexes are described. The compounds comprise pyridyl benzimidazole ligands with twisted aryl groups for improved color.
    Type: Application
    Filed: March 18, 2016
    Publication date: September 22, 2016
    Inventors: Scott Beers, Geza Szigethy, Jason Brooks
  • Publication number: 20160233424
    Abstract: A compound including a ligand L1 of Formula I, is described. In Formula I: rings A and B each independently represent a 5-membered or 6-membered carbocyclic or heterocyclic ring; X, Y, Z, and W are either carbon or nitrogen; R1 to R6 are selected from a variety of substituents, where adjacent substituents can be joined to form a fused ring; ligand L1 is coordinated to a metal M by X-M and Y-M bonds; and ligand L1 is optionally linked with other ligands to produce a tridentate, tetradentate, pentadentate or hexadentate ligand. Formulations and devices, such as an OLEDs, that include the compound that include a ligand L1 of Formula I are also described.
    Type: Application
    Filed: October 29, 2015
    Publication date: August 11, 2016
    Applicant: Universal Display Corporation
    Inventors: Raymond KWONG, Chi Hang Lee, Siu Tung Lam, Kit Yee Tsang, Geza Szigethy
  • Publication number: 20160218303
    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: Application
    Filed: December 29, 2015
    Publication date: July 28, 2016
    Applicant: Universal Display Corporation
    Inventors: Raymond KWONG, Sze Kui LAM, Siu Tung LAM, Kit Yee TSANG, Chi Hang LEE, Geza SZIGETHY
  • Publication number: 20160072082
    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 5, 2015
    Publication date: March 10, 2016
    Applicant: UNIVERSAL DISPLAY CORPORATION
    Inventors: Jason BROOKS, Geza SZIGETHY, Glenn MORELLO, Jun DENG, Peter I. DJUROVICH, Hsiao-Fan CHEN
  • Publication number: 20150380666
    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: Application
    Filed: June 2, 2015
    Publication date: December 31, 2015
    Applicant: Universal Display Corporation
    Inventors: Geza SZIGETHY, Jason Brooks, Scott Beers, Nicholas J. Thompson
  • Publication number: 20150295192
    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: March 27, 2015
    Publication date: October 15, 2015
    Inventors: Jason Brooks, Geza Szigethy, Scott Beers
  • Publication number: 20150295190
    Abstract: Phosphorescent complexes are designed with intramolecular H-bonding properties to prevent deprotonation of neighboring molecules.
    Type: Application
    Filed: March 27, 2015
    Publication date: October 15, 2015
    Inventors: Hsiao-Fan Chen, Scott Beers, Geza Szigethy, Jason Brooks
  • Publication number: 20150295189
    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: Application
    Filed: March 27, 2015
    Publication date: October 15, 2015
    Inventors: Jason Brooks, Geza Szigethy, Scott Beers, Hsiao-Fan Chen
  • Publication number: 20150249223
    Abstract: A compound including a Ligand L of Formula I: as well as, a first device and a formulation containing the same, are disclosed. In the compound including the Ligand L of Formula I: X is selected from the group consisting of S, Se, SiRR? and GeRR?; 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, heteroalkenyl, alkynyl, aryl, heteroaryl, acyl, carbonyl, carboxylic acids, ester, nitrile, isonitrile, sulfanyl, sulfinyl, sulfonyl, phosphino, and combinations thereof; any adjacent substitutions or substituents of R1, R2, R, and R? are optionally linked together to form a ring; the Ligand L is coordinated to a metal M having an atomic number of 40 or greater, and the Ligand L is optionally linked with other ligands to comprise a tridentate, tetradentate, pentadentate or hexadentate ligand.
    Type: Application
    Filed: February 28, 2014
    Publication date: September 3, 2015
    Applicant: Universal Display Corporation
    Inventors: Geza SZIGETHY, Jason BROOKS
  • Publication number: 20150249222
    Abstract: A compound including a ligand L according to Formula I: as well as, a first device and a formulation containing the same, are disclosed. In the compound including the Ligand L of Formula I: R1 and R2 are independently selected from group consisting of hydrogen, deuterium, halide, alkyl, cycloalkyl, heteroalkyl, arylalkyl, alkoxy, aryloxy, amino, silyl, alkenyl, cycloalkenyl, heteroalkenyl, alkynyl, aryl, heteroaryl, acyl, carbonyl, carboxylic acids, ester, nitrile, isonitrile, sulfanyl, sulfinyl, sulfonyl, phosphino, cyano, and combinations thereof; two adjacent substituents of R1 or R2 are optionally joined to form a fused ring; ligand L is coordinated to transition metal M having an atomic number greater than 40; R1 represent mono, di, tri, or tetra-substitution, or no substitution; R2 represent mono, di, or tri-substitution, or no substitution; and at least one substituent of R1 or R2 is cyano.
    Type: Application
    Filed: February 28, 2014
    Publication date: September 3, 2015
    Applicant: Universal Display Corporation
    Inventors: Geza SZIGETHY, Christopher B. MURRAY, Jason BROOKS
  • Publication number: 20150236279
    Abstract: A compound having a structure of Formula M(LA)x(LB)y(LC)z, where ligand LA is ligand LB is and ligand LC is is disclosed. In Formula M(LA)x(LB)y(LC)z, M is a metal having an atomic number greater than 40; x is 1, 2, or 3; y and z are 0, 1, or 2; x+y+z is the oxidation state of metal M; Z1-Z6 are each C or N; ZD is N or a carbene carbon; rings C and D are independently a 5 or 6-membered carbocyclic or heterocyclic ring; R4 is substituted, while each of R1, R2, R3, RC, RD, R11, R12, and R13 are selected from hydrogen and a variety of moieties; and any adjacent substituents of R1, R2, R3, R4, RC, RD, R11, R12, and R13 are optionally joined to form a ring. Formulations and devices, such as an OLEDs, that include the compound of formula M(LA)x(LB)y(LC)z are also described.
    Type: Application
    Filed: February 6, 2015
    Publication date: August 20, 2015
    Applicants: Universal Display Corporation, University of Southern California
    Inventors: Geza SZIGETHY, Jason Brooks, Mark E. Thompson, Patrick Saris, Peter I. Djurovich