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: 20190296252
    Abstract: A composition including a first compound capable of functioning as a phosphorescent emitter in an OLED is provided. The first compound has at least one aromatic ring and at least one substituent R directly bonded to one of the at least one aromatic rings. Each substituent R has the formula of where (a) G1 is selected from NR1, SiR1R2, GeR1R2, alkyl, cycloalkyl, and combinations thereof; and G2 is a non-aromatic polycyclic group; (b) G1 is a direct bond; and G2 is a non-aromatic spiro polycyclic group; or (c) G1 is selected from direct bond, NR1, SiR1R2, GeR1R2, alkyl, cycloalkyl, and combinations thereof; G2 is a non-aromatic polycyclic group; and R is directly bonded to a phenyl, pyridine, or triazine. R1, R2, and R3 are a variety of substituents. Formulations and devices, such as an OLEDs, that include the first compound are also described.
    Type: Application
    Filed: June 12, 2019
    Publication date: September 26, 2019
    Applicant: UNIVERSAL DISPLAY CORPORATION
    Inventors: Chuanjun XIA, Chun LIN, Pierre-Luc T. BOUDREAULT, Jui-Yi TSAI, Mingjuan SU, Lichang ZENG, Zhiqiang JI, Edward BARRON, Walter YEAGER, Alexey Borisovich DYATKIN
  • Patent number: 10418562
    Abstract: This invention discloses novel compounds containing a bitriazine building block. These compounds can be used as host materials or electron transporting materials for organic light-emitting devices.
    Type: Grant
    Filed: February 3, 2016
    Date of Patent: September 17, 2019
    Assignee: Universal Display Corporation
    Inventors: Chuanjun Xia, Lichang Zeng, Alexey Borisovich Dyatkin, Walter Yeager
  • Publication number: 20190280221
    Abstract: The present invention relates to novel iridium complexes that can be used in organic light emitting devices (OLEDs). The present invention relates to the iridium complexes, devices comprising the iridium complexes, and formulations comprising the iridium complexes.
    Type: Application
    Filed: May 22, 2019
    Publication date: September 12, 2019
    Applicant: Universal Display Corporation
    Inventors: Bin MA, Edward BARRON, Alan DEANGELIS, Walter YEAGER, Zeinab ELSHENAWY, Harvey WENDT, Ting-Chih WANG, Kwang-Ohk CHEON, Chuanjun XIA
  • Publication number: 20190280219
    Abstract: A compound comprising a first ligand selected from Formula I, and Formula II, is disclosed. In these structures, Y1 to Y12 and Z3 and Z4 are independently CR or N; where each R, R?, R?, RF, and RG is hydrogen or a substituent, where at least one dashed arc represents Rs joined into a 5-membered or 6-membered carbocyclic or heterocyclic ring; where the first ligand is complexed to a metal M; where ring G is a fused ring structure comprising five or more fused heterocyclic or carbocyclic rings, of which at least one ring is of Formula III where the fused heterocyclic or carbocyclic rings of Ring G are 5- or 6-membered; where Y is selected from BR?, NR?, PR?, O, S, Se, C?O, S?O, SO2, CR?R?, SiR?R?, and GeR?R?. Organic light emitting devices and consumer products containing the compounds are also disclosed.
    Type: Application
    Filed: February 22, 2019
    Publication date: September 12, 2019
    Applicant: Universal Display Corporation
    Inventors: Jui-Yi TSAI, Alexey Borisovich DYATKIN, Zhiqiang JI, Walter YEAGER, Pierre-Luc T. BOUDREAULT
  • Publication number: 20190280212
    Abstract: A premixed co-evaporation source that is a mixture of a first compound and a second compound is disclosed. The co-evaporation source is for vacuum deposition process. The first compound has a different chemical structure than the second compound. The first compound and the second compound are both organic compounds. At least one of the first compound and the second compound contains at least one less abundant stable isotope atom. At least one of the first compound and the second compound is a fluorescent or delayed fluorescent emitter. The first compound has an evaporation temperature T1 of 100 to 400° C.; the second compound has an evaporation temperature T2 of 100 to 400° C.; the absolute value of T1?T2 is less than 20° C.
    Type: Application
    Filed: May 23, 2019
    Publication date: September 12, 2019
    Applicant: Universal Display Corporation
    Inventors: Lichang ZENG, Chuanjun XIA, Scott JOSEPH, Walter YEAGER, Mingjuan SU, Ting-Chih WANG
  • Patent number: 10411200
    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: July 10, 2015
    Date of Patent: September 10, 2019
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Bin Ma, Walter Yeager, Edward Barron, Alan Deangelis, Chuanjun Xia, Vadim Adamovich, Scott Beers, Harvey Wendt, Suman Layek
  • Patent number: 10403826
    Abstract: The present invention includes organic compounds with two substituted triazine, pyridine, pyrimidine or pyrazine rings attached to an aromatic or heteroaromatic ring system. The compounds are expected to improve OLED performance.
    Type: Grant
    Filed: May 4, 2016
    Date of Patent: September 3, 2019
    Assignee: Universal Display Corporation
    Inventors: Alexey Borisovich Dyatkin, Walter Yeager, Lichang Zeng, Chuanjun Xia
  • 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: 20190259957
    Abstract: A composition of materials including a first compound having a structure according to Formula I
    Type: Application
    Filed: April 10, 2019
    Publication date: August 22, 2019
    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
  • Patent number: 10381580
    Abstract: Novel phosphorescent tetradentate platinum (II) compounds comprising a twisted aryl group are provided. Also provided are novel phosphorescent tetradentate platinum (II) compounds comprising an imidazo[1,2-f]phenanthridine moiety. The compounds may be used in organic light emitting devices to provide improved device efficiency, line shape and lifetime.
    Type: Grant
    Filed: January 3, 2018
    Date of Patent: August 13, 2019
    Assignee: Universal Display Corporation
    Inventors: Chuanjun Xia, Walter Yeager, David Zenan Li, James Fiordeliso, Bin Ma, Zeinab Elshenawy, Suman Layek, Ed Barron, Gregg Kottas, Jason Brooks
  • Patent number: 10361375
    Abstract: A composition formed of a mixture of a first compound and a second compound wherein the first compound has a different chemical structure than the second compound. The first compound and the second compound are both organic compounds. At least one of the first compound and the second compound contains at least one less abundant stable isotope atom. The first compound has an evaporation temperature T1 and the second compound has an evaporation temperature T2 where both T1 and T2 are between 100 to 400 ° C. and the absolute value of T1-T2 is less than 20 ° C. The first compound has a concentration C1 in said mixture and a concentration C2 in a film formed by evaporating said mixture in a high vacuum deposition tool with a chamber base pressure between 1×10?6 Torr to 1×10?9 Torr, at a 2?/sec deposition rate on a surface positioned at a predefined distance away from the mixture being evaporated; and wherein absolute value of (C1-C2)/C1 is less than 5%.
    Type: Grant
    Filed: September 24, 2015
    Date of Patent: July 23, 2019
    Assignee: Universal Display Corporation
    Inventors: Lichang Zeng, Chuanjun Xia, Scott Joseph, Walter Yeager, Mingjuan Su, Ting-Chih Wang
  • Patent number: 10361381
    Abstract: A composition including a first compound capable of functioning as a phosphorescent emitter in an OLED is provided. The first compound has at least one aromatic ring and at least one substituent R directly bonded to one of the at least one aromatic rings. Each substituent R has the formula of where (a) G1 is selected from NR1, SiR1R2, GeR1R2, alkyl, cycloalkyl, and combinations thereof; and G2 is a non-aromatic polycyclic group; (b) G1 is a direct bond; and G2 is a non-aromatic spiro polycyclic group; or (c) G1 is selected from direct bond, NR1, SiR1R2, GeR1R2, alkyl, cycloalkyl, and combinations thereof; G2 is a non-aromatic polycyclic group; and R is directly bonded to a phenyl, pyridine, or triazine. R1, R2, and R3 are a variety of substituents. Formulations and devices, such as an OLEDs, that include the first compound are also described.
    Type: Grant
    Filed: August 18, 2016
    Date of Patent: July 23, 2019
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Chuanjun Xia, Chun Lin, Pierre-Luc T. Boudreault, Jui-Yi Tsai, Mingjuan Su, Lichang Zeng, Zhiqiang Ji, Edward Barron, Walter Yeager, Alexey Borisovich Dyatkin
  • Patent number: 10355227
    Abstract: The present disclosure relates to novel iridium complexes that can be used in organic light emitting devices (OLEDs). The present disclosure also relates to devices and formulations that incorporate the iridium complexes.
    Type: Grant
    Filed: August 4, 2014
    Date of Patent: July 16, 2019
    Assignee: Universal Display Corporation
    Inventors: Bin Ma, Edward Barron, Alan Deangelis, Walter Yeager, Zeinab Elshenawy, Harvey Wendt, Ting-Chih Wang, Kwang-Ohk Cheon, Chuanjun Xia
  • Patent number: 10297762
    Abstract: A composition comprising a first compound and a second compound is described. The composition can be a mixture of a first compound having a structure according to Formula I, and a second compound having a structure according to Formula II, The composition can also be a mixture of a first compound having a structure according to Formula III, and a second compound having a structure according to Formula IV, Devices, such as OLEDs, that include the compositions for Formulas I & II or Formulas III & IV, as well as, methods of making the same are also described.
    Type: Grant
    Filed: June 9, 2015
    Date of Patent: May 21, 2019
    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: 20190140191
    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: December 28, 2018
    Publication date: May 9, 2019
    Applicant: UNIVERSAL DISPLAY CORPORATION
    Inventors: Jui-Yi TSAI, Eric A. MARGULIES, Zhiqiang JI, Alexey Borisovich DYATKIN, Walter YEAGER, Mingjuan SU
  • Patent number: 10236456
    Abstract: A compound that includes a ligand L, having the formula, is provided. In the structure of Formula I, each R1, R2, R3, R4, R4, R5, R6, R7, and R8 is independently selected from a variety of substituents; any adjacent substituents are optionally joined or fused into a ring; at least one of R3, R4, and R5 is not hydrogen; “a” is an integer from 0 to 10; (i) when a is 0, at least one of R7, R8, and an R2 adjacent to ring B, is not hydrogen, and (ii) when a is 1 to 10, at least one of an R2 adjacent to ring A and an R6 adjacent to ring C is not hydrogen; ligand L is coordinated to a metal M having an atomic weight greater than 40; and ligand L is optionally linked with other ligands to comprise a tridentate, tetradentate, pentadentate or hexadentate ligand.
    Type: Grant
    Filed: March 24, 2017
    Date of Patent: March 19, 2019
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Jui-Yi Tsai, Lichang Zeng, Alexey Borisovich Dyatkin, Walter Yeager, Edward Barron, Bin Ma, Chuanjun Xia
  • Publication number: 20190058138
    Abstract: Compounds comprising phosphorescent metal complexes comprising cyclometallated imidazo[1,2-f]phenanthridine and diimidazo[1,2-a:1?,2?-c]quinazoline ligands, or isoelectronic or benzannulated analogs thereof, are described. Organic light emitting diode devices comprising these compounds are also described.
    Type: Application
    Filed: October 16, 2018
    Publication date: February 21, 2019
    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: 20190051844
    Abstract: A compound having the formula [LA]yIr[LB]x is disclosed, where LA is selected from one of the following:
    Type: Application
    Filed: July 25, 2018
    Publication date: February 14, 2019
    Applicant: UNIVERSAL DISPLAY CORPORATION
    Inventors: Zhiqiang JI, Alexey Borisovich DYATKIN, Jui-Yi TSAI, Walter YEAGER, Edward BARRON
  • Patent number: 10177316
    Abstract: A novel compounds useful as hosts for phosphorescent emitters in OLEDs is disclosed.
    Type: Grant
    Filed: January 7, 2016
    Date of Patent: January 8, 2019
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: Lichang Zeng, Walter Yeager, Scott Joseph, Alexey Borisovich Dyatkin, Gregg Kottas, Chuanjun Xia
  • Patent number: 10158090
    Abstract: Compounds comprising phosphorescent metal complexes comprising cyclometallated imidazo[1,2-f]phenanthridine and diimidazo[1,2-a:1?,2?-c]quinazoline ligands, or isoelectronic or benzannulated analogs thereof, are described. Organic light emitting diode devices comprising these compounds are also described.
    Type: Grant
    Filed: January 3, 2018
    Date of Patent: December 18, 2018
    Assignee: UNIVERSAL DISPLAY CORPORATION
    Inventors: David Knowles, Chun Lin, Peter Mackenzie, Jui-Yi Tsai, Robert W. Walters, Scott Beers, Cory S. Brown, Walter Yeager