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).
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Publication number: 20240140973Abstract: A compound comprising a ligand of LA of Formula I, is provided with variables as defined herein. Formulations, OLEDs, and consumer products including the compound are also disclosed.Type: ApplicationFiled: December 13, 2023Publication date: May 2, 2024Applicant: Universal Display CorporationInventors: Jui-Yi TSAI, Alexey Borisovich DYATKIN, Walter YEAGER, Pierre-Luc T. BOUDREAULT, Wei-Chun SHIH, Eric A. MARGULIES
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Publication number: 20240130220Abstract: Provided are organometallic compounds comprising iridium as a central metal atom which is coordinated by two three-dentate ligands which each comprise at least three 5-membered or 6-membered rings. Also provided are formulations comprising these organometallic compounds. Further provided are organic light emitting devices (OLEDs) and related consumer products that utilize these organometallic compounds.Type: ApplicationFiled: September 6, 2023Publication date: April 18, 2024Applicant: UNIVERSAL DISPLAY CORPORATIONInventors: Jui-Yi TSAI, Walter YEAGER, Henry Carl HERBOL, Harvey WENDT, Wei-Chun SHIH, Alexey Borisovich DYATKIN, Elena SHEINA, Chun LIN
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Patent number: 11957047Abstract: A composition of materials including a first compound having a structure according to Formula IType: GrantFiled: August 15, 2022Date of Patent: April 9, 2024Assignee: UNIVERSAL DISPLAY CORPORATIONInventors: 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
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Publication number: 20240107874Abstract: A compound is disclosed that has a metal coordination complex structure having at least two ligands coordinated to the metal; wherein the compound has a first substituent R1 at one of the ligands' periphery; wherein a first distance is defined as the distance between the metal and one of the atoms in R1 where that atom is the farthest away from the metal among the atoms in R1; wherein the first distance is also longer than any other atom-to-metal distance between the metal and any other atoms in the compound; and wherein when a sphere having a radius r is defined whose center is at the metal and the radius r is the smallest radius that will allow the sphere to enclose all atoms in the compound that are not part of R1, the first distance is longer than the radius r by at least 2.9 ?.Type: ApplicationFiled: October 30, 2023Publication date: March 28, 2024Applicant: Universal Display CorporationInventors: Eric A. MARGULIES, Zhiqiang JI, Jui-Yi TSAI, Chun LIN, Alexey Borisovich DYATKIN, Mingjuan SU, Bin MA, Michael S. WEAVER, Julia J. BROWN, Lichang ZENG, Walter YEAGER, Alan DEANGELIS, Chuanjun XIA
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Publication number: 20240090310Abstract: A compound comprising a first ligand LA of Formula I, is provided. In Formula I, moiety A is a 5-membered or 6-membered ring; moiety B is a fused ring structure comprising at least four rings; K is a direct bond, O, or S; each of Z1 and Z2 is independently C or N; each RA and RB is independently hydrogen or a General Substituent; at least one RB comprises a cyclic group or an electron-withdrawing group; LA is coordinated to a metal M that has an atomic mass of at least 40 and is optionally coordinated to other ligands; and the ligand LA is optionally linked with other ligands. Formulations, OLEDs, and consumer products including the compound are also provided.Type: ApplicationFiled: April 10, 2023Publication date: March 14, 2024Applicant: UNIVERSAL DISPLAY CORPORATIONInventors: Jui-Yi TSAI, Alexey Borisovich DYATKIN, Walter YEAGER, Pierre-Luc T. BOUDREAULT, Hsiao-Fan CHEN, Wei-Chun SHIH
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Publication number: 20240081147Abstract: Compounds containing indolocarbazole and terphenyl building blocks are disclosed in this application. These compounds are useful for application in organic electroluminescent devices.Type: ApplicationFiled: October 20, 2023Publication date: March 7, 2024Inventors: Lichang Zeng, Zhiqiang Ji, Walter Yeager, Alexey Borisovich Dyatkin, Chuanjun Xia, Ting-Chih (Carina) Wang, Bin Ma, Bert Alleyne, Vadim Adamovich
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Publication number: 20240065092Abstract: A compound comprising a first ligand LA of Formula I, is provided. In Formula I, rings A and B are 5- or 6-membered ring; K1 and K2 are each independently selected from the group consisting of a direct bond, O, S, N(R?), P(R?), B(R?), C(R?)(R?), and Si(R?)(R?); Z1, Z2, X1 and X2 are C or N; Y1*, Y2*, Y1*, Y4*, and Y5* are selected from a variety of moieties; n is 0 or 1; Y5* is bonded directly to X2 when n is 0; each Ra, R?, R, R?, R1, R2, RA, and RB is hydrogen or a substituent; each independently represents a single bond or double bond in a Lewis structure; and LA is coordinated to a metal M, which may be coordinated to other ligands Formulations, OLEDs, and consumer products containing the compound are also provided.Type: ApplicationFiled: October 13, 2023Publication date: February 22, 2024Applicant: Universal Display CorporationInventors: Alexey Borisovich DYATKIN, Wei-Chun SHIH, Jui-Yi TSAI, Elena SHEINA, Noah HORWITZ, Tyler FLEETHAM, Walter YEAGER, Sean Michael RYNO
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Publication number: 20240057468Abstract: Provided are compounds comprising first ligands LA being hetero-benzofused ligands of Pt and Ir complexes for OLED applications. Also provided are formulations comprising these compounds comprising first ligands LA being hetero-benzofused ligands of Pt and Ir complexes for OLED applications. Further provided are OLEDs and related consumer products that utilize these compounds comprising first ligands LA being hetero-benzofused ligands of Pt and Ir complexes for OLED applications.Type: ApplicationFiled: September 14, 2023Publication date: February 15, 2024Applicant: UNIVERSAL DISPLAY CORPORATIONInventors: Walter YEAGER, Zhiqiang JI, Pierre-Luc T. BOUDREAULT, Alexey Borisovich DYATKIN
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Publication number: 20240057470Abstract: A compound having a formula of M(LA)p(LB)q(LC)r, where LA has a structure of Formula I, LB is a bidentate ligand; and LC has a structure of Formula II, is provided. In Formula I and Formula II, the compound can be homoleptic or heteroleptic and can include up to three different ligands; K3 and K4 are each independently a direct bond, O, S, N(R?), P(R?), B(R?), C(R?)(R?), or Si(R?)(R?); each of moiety A and moiety B represents a monocyclic ring or a polycyclic, fused-ring structure; each of Z1 and Z2 is C or N; and at least one of RA, RB, RC1, RC2, or RC3 comprises a structure of Formula III, In Formula III, L is bivalent organic linker, and Z is Si or Ge. Each RA, RB, RC1, RC2, and RC3 is independently hydrogen or a General Substituent, and each of R1, R2, and R3 is a General Substituent. Formulations, OLEDs, and consumer products including such compounds are also provided.Type: ApplicationFiled: November 11, 2022Publication date: February 15, 2024Applicant: Universal Display CorporationInventors: Alexey Borisovich DYATKIN, Jui-Yi TSAI, Pierre-Luc T. BOUDREAULT, Walter YEAGER, Hsiao-Fan CHEN, Zhiqiang JI
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Patent number: 11903306Abstract: 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: GrantFiled: December 20, 2022Date of Patent: February 13, 2024Assignee: UNIVERSAL DISPLAY CORPORATIONInventors: Zhiqiang Ji, Lichang Zeng, Jui-Yi Tsai, Chun Lin, Chuanjun Xia, Alexey Borisovich Dyatkin, Walter Yeager
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Publication number: 20230416288Abstract: Provided is a compound comprising a first ligand LA having a structure of Formula I, wherein the variables are defined herein. Also provided are formulations and products containing a compound comprising a structure of Formula I.Type: ApplicationFiled: September 6, 2023Publication date: December 28, 2023Applicant: UNIVERSAL DISPLAY CORPORATIONInventors: Wei-Chun SHIH, Tyler FLEETHAM, Eric A. MARGULIES, Jui-Yi TSAI, Pierre-Luc T. BOUDREAULT, Rasha HAMZE, Walter YEAGER, Alexey Borisovich DYATKIN, Sarwat CHOWDHURY, Marcus COLE, Jerald FELDMAN
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Publication number: 20230422599Abstract: Provided is a compound of Formula of Ir(LA)n(LB)m(LC)o, wherein ligand LA has a structure of Formula I, ligand LB has a structure of Formula II, and LC is a bidentate ligand; and wherein n is 1, or 2; m is 1, or 2; o is 0, or 1; and n+m+o=3; and all the remaining variables are defined herein. Formulations, OLEDs, and consumer products containing the compound are also provided.Type: ApplicationFiled: August 28, 2023Publication date: December 28, 2023Applicant: UNIVERSAL DISPLAY CORPORATIONInventors: Wei-Chun SHIH, Alexey Borisovich DYATKIN, Eric A. MARGULIES, Jui-Yi TSAI, Pierre-Luc T. BOUDREAULT, Walter YEAGER, Jerald FELDMAN
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Publication number: 20230406871Abstract: A heteroleptic compound of formula Ir(LA)m(LB)n(LC)o, where LA has a structure of Formula I, and LB has Formula II, is provided; and LC is a bidentate ligand. In Formulae I and II, moieties A and D are independently a rings or polycyclic ring systems, one of moiety A and moiety D is coordinated to Ir by a 5-membered ring, and the other is coordinated to Ir by a 6-membered ring; each of X, X1 to X12 is C or N; Y is a linking atom; each RA, RB, RC, RD, and RE is hydrogen or a general substituent; and at least one RD or RE substituent comprises an electron-withdrawing group, or an aryl or heteroaryl substituted with an electron-withdrawing group. Formulations, OLEDs, and consumer products containing the compound are also provided.Type: ApplicationFiled: August 29, 2023Publication date: December 21, 2023Applicant: Universal Display CorporationInventors: Wei-Chun Shih, Eric A. MARGULIES, Alexey Borisovich DYATKIN, Jui-Yi TSAI, Jerald FELDMAN, Pierre-Luc T. BOUDREAULT, Walter YEAGER
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Patent number: 11839141Abstract: A novel compound having a first ligand LA of is disclosed. The compound is useful as emitter dopant in OLEDs.Type: GrantFiled: August 23, 2022Date of Patent: December 5, 2023Assignee: UNIVERSAL DISPLAY CORPORATIONInventors: Jui-Yi Tsai, Alexey Borisovich Dyatkin, Zhiqiang Ji, Pierre-Luc T. Boudreault, Walter Yeager, Harvey Wendt
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Patent number: 11839139Abstract: A compound is disclosed that has a metal coordination complex structure having at least two ligands coordinated to the metal; wherein the compound has a first substituent R1 at one of the ligands' periphery; wherein a first distance is defined as the distance between the metal and one of the atoms in R1 where that atom is the farthest away from the metal among the atoms in R1; wherein the first distance is also longer than any other atom-to-metal distance between the metal and any other atoms in the compound; and wherein when a sphere having a radius r is defined whose center is at the metal and the radius r is the smallest radius that will allow the sphere to enclose all atoms in the compound that are not part of R1, the first distance is longer than the radius r by at least 2.9 ?.Type: GrantFiled: May 24, 2022Date of Patent: December 5, 2023Assignee: UNIVERSAL DISPLAY CORPORATIONInventors: Eric A. Margulies, Zhiqiang Ji, Jui-Yi Tsai, Chun Lin, Alexey Borisovich Dyatkin, Mingjuan Su, Bin Ma, Michael S Weaver, Julia J. Brown, Lichang Zeng, Walter Yeager, Alan Deangelis, Chuanjun Xia
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Patent number: 11827651Abstract: Provided is a compound comprising a first ligand LA of where at least one of RA and RB is a structure ofType: GrantFiled: April 24, 2020Date of Patent: November 28, 2023Assignee: UNIVERSAL DISPLAY CORPORATIONInventors: Walter Yeager, Zhiqiang Ji, Pierre-Luc T. Boudreault
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Publication number: 20230365607Abstract: A compound comprising a first bidentate ligand LA having a structure of Formula I, is provided. In Formula I, each of Y1 to Y12 is CR or N; each R can be same or different; each R is hydrogen or a substituent; at least one pair selected from Y3-Y4, Y7-Y8, or Y11-Y12 are CR and the Rs are joined or fused into a ring; and LA is complexed to a metal M selected from the group consisting of Os, Ir, Pd, and Pt. Formulations, OLEDs, and consumer products containing the compound are also provided.Type: ApplicationFiled: July 13, 2023Publication date: November 16, 2023Applicant: UNIVERSAL DISPLAY CORPORATIONInventors: Jui-Yi TSAI, Alexey Borisovich DYATKIN, Zhiqiang Ji, Walter YEAGER, Pierre-Luc T. BOUDREAULT
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Patent number: 11818949Abstract: The present invention relates in part to compounds containing indolocarbazole and terphenyl building blocks. These compounds are useful for application in organic electroluminescent devices wherein the combination of indolocarbazoles with terphenyl groups leads to novel compounds that demonstrate superior device performance.Type: GrantFiled: April 12, 2018Date of Patent: November 14, 2023Assignee: Universal Display CorporationInventors: Lichang Zeng, Zhiqiang Ji, Walter Yeager, Alexey Borisovich Dyatkin, Chuanjun Xia, Ting-Chih (Carina) Wang, Bin Ma, Bert Alleyne, Vadim Adamovich
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Publication number: 20230357296Abstract: A compound having a first ligand LA of Formula I, is provided. In Formula I, Z is C or N; at least one of X1 to X5 is N, and the remainder are C; if X1 is N, then X5 is C; K is selected from the group consisting of a direct bond, O, S, N(R?), P(R?), B(R?), C(R?)(R?), and Si(R?)(R?); each R?, R?, RA and RB is a hydrogen or a General Substituent; LA is coordinated to a metal M; and Ring A coordinates to M through a metal carbene bond. Formulations, OLEDs, and consumer products containing the compound are also provided.Type: ApplicationFiled: May 1, 2023Publication date: November 9, 2023Applicant: Universal Display CorporationInventors: Jui-Yi TSAI, Geza SZIGETHY, Wei-Chun SHIH, Hsiao-Fan CHEN, Walter YEAGER, Alexey Borisovich DYATKIN, Tongxiang LU, Diana DRENNAN, George FITZGERALD
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Publication number: 20230354690Abstract: 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 are a variety of substituents. Formulations and devices, such as an OLEDs, that include the first compound are also described.Type: ApplicationFiled: January 12, 2023Publication date: November 2, 2023Applicant: UNIVERSAL DISPLAY CORPORATIONInventors: Chuanjun XIA, Chun LIN, Pierre-Luc T. BOUDREAULT, Jui-Yi TSAI, Mingjuan SU, Lichang ZENG, Zhiqiang JI, Edward BARRON, Walter YEAGER, Alexey Borisovich DYATKIN