Patents by Inventor Wei-Chun Shih
Wei-Chun Shih 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: 20240251651Abstract: A compound comprising a first ligand LA comprising a structure of Formula I, is provided. In Formula I: moieties A and B are each a monocyclic ring or a polycyclic fused-ring system; each of Y1, Y2, Y3, and Y4 is independently a divalent, single atom long linker; each of L1 and L2 is independently a direct bond or a divalent, one atom ling linker; each RA, RB, or other substituent is hydrogen or a General Substituent defined herein; any two substituents may be joined or fused to form a ring; LA may be monodentate, bidentate, tridentate, tetradentate, pentadentate, or hexadentate; and LA is coordinated to a metal M and may be coordinated to other ligands. Formulations, OLEDs, and consumer products containing the compounds are also provided.Type: ApplicationFiled: November 16, 2023Publication date: July 25, 2024Applicant: Universal Display CorporationInventors: Rasha HAMZE, Hsiao-Fan CHEN, Wei-Chun SHIH, Diana DRENNAN
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Publication number: 20240224781Abstract: A compound having a formula M(LA)x(LB)y(LC)z, where each of LA, LB, and LC is a different bidentate ligand is provided. In formula M(LA)x(LB)y(LC)z, x+y+z is equal to the valence of the metal M, the first ligand LA has a structure of Formula I, each of moiety A and moiety B is a monocyclic ring or a polycyclic fused ring system; each of X1 to X4 and Z1 and Z2 is C or N; each of K1, K2, and L1 is a direct bond of a linker; L1 is a direct bond or an organic linker; each R substituent is hydrogen or a General Substituent defined herein; and at least one RA or RB comprises a ring D that is an electron-deficient heterocyclic ring comprising one or two ring carbon atoms. Formulations, OLEDs, and consumer products containing such compounds are also provided.Type: ApplicationFiled: January 3, 2024Publication date: July 4, 2024Applicant: Universal Display CorporationInventors: Alexey Borisovich DYATKIN, Wei-Chun SHIH, Jerald FELDMAN, Elena SHEINA, Walter YEAGER
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Publication number: 20240209013Abstract: A compound comprising a first ligand LA of Formula I, is provided. In Formula I, each of X1 to X12 is C or N; Y is a linking group; each RA, RB and RC can be hydrogen or a substituent; at least one RA, RB or RC comprises an electron-withdrawing group; and LA forms a 5-membered chelate ring with an Ir atom via the dashed lines. In addition a number of conditions must be met based on whether or not any pair of RA is joined to form a ring. Formulations, OLEDs, and consumer products containing the compound are also provided.Type: ApplicationFiled: February 8, 2024Publication date: June 27, 2024Applicant: UNIVERSAL DISPLAY CORPORATIONInventors: Eric A. MARGULIES, Wei-Chun SHIH, Alexey Borisovich DYATKIN, Jui-Yi TSAI, Pierre-Luc T. BOUDREAULT, Walter YEAGER, Suman LAYEK, Jerald FELDMAN
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Patent number: 12018035Abstract: Provided are organoiridium compounds that are useful as emitters in OLEDs. The compounds have Formula I L1L2Ir-L-Ir-L3L4, where: L is a bis-bidentate ligand including two or more aromatic rings; one of the two or more aromatic rings is bonded to the two Ir atoms at the same time; and each of L1, L2, L3, and L4 is independently a bidentate N-heterocyclic carbene ligand or a substituted or unsubstituted acetylacetonate ligand with L1, L2, L3, and L4 each being the same or different. Also provided are formulations including these organoiridium compounds. Further provided are OLEDs and related consumer products that utilize these organoiridium compounds.Type: GrantFiled: February 26, 2021Date of Patent: June 25, 2024Assignee: UNIVERSAL DISPLAY CORPORATIONInventors: Jui-Yi Tsai, Alexey Borisovich Dyatkin, Wei-Chun Shih, Zhiqiang Ji, Pierre-Luc T. Boudreault, Miguel A. Esteruelas, Erik Mora, Enrique OƱate
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Publication number: 20240206314Abstract: A compound comprising a first ligand LA of Formula I, is provided. In Formula I, moiety A and moiety B either a monocyclic ring or a polycyclic fused ring system; each of X1 to X4, Z1, and Z2 is C or N; K1 is a direct bond, O, S, N(R?), P(R?), B(R?), C(R?)(R?), or Si(R?)(R?); L1 is a direct bond or a linking group; each R?, R?, RA and RB is hydrogen or a General Substituent; and LA is coordinated to a metal M. In addition, RA or RB alone or in combination with a substituent of L1 form a 7-membered ring. Formulations, OLEDs, and consumer products containing the compound are also provided.Type: ApplicationFiled: January 23, 2024Publication date: June 20, 2024Applicant: Universal Display CorporationInventors: Alexey Borisovich Dyatkin, Elena Sheina, Zhiqiang Ji, Derek Ian Wozniak, Sean Michael Ryno, George Fitzgerald, Geza Szigethy, Hsiao-Fan Chen, Wei-Chun Shih, Wystan Neil Palmer, Jui-Yi Tsai
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Publication number: 20240196728Abstract: Provided are organometallic complexes including 5-membered heterocyclic rings. The compounds include a ligand LA having a structure of Also provided are formulations comprising these compounds. Further provided are OLEDs and related consumer products that utilize these compounds.Type: ApplicationFiled: December 19, 2023Publication date: June 13, 2024Applicant: UNIVERSAL DISPLAY CORPORATIONInventors: Zhiqiang JI, Tongxiang LU, Wei-Chun SHIH, Pierre-Luc T. BOUDREAULT, George FITZGERALD
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Publication number: 20240180021Abstract: A compound comprising a first ligand LA of Formula I, is provided. In Formula I, each of X1 to X6 is C or N; K is a direct bond, O, S, N(R?), P(R?), B(R?), C(R?)(R?), or Si(R?)(R?); LA is coordinated to Ir through the indicated dashed lines; at least one of the following conditions is true: (1) R1 comprises at least five carbon atoms, and (2) two RB substituents are joined together to form a structure of Formula II, fused to ring B; X is CRX or N; Y is selected from a variety of linkers; each R, R?, R?, R?, R?, RA, RB, RX, R1, and R2 is hydrogen or a General Substituent; and Ir may be coordinated to other ligands. Compositions, OLEDs, and consumer products including the compound are also provided.Type: ApplicationFiled: October 4, 2023Publication date: May 30, 2024Applicant: Universal Display CorporationInventors: Wei-Chun SHIH, Jerald FELDMAN, Pierre-Luc T. BOUDREAULT
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Publication number: 20240155935Abstract: A compound comprising a first ligand LA of Formula I, In Formula I, moiety B is a monocyclic ring or a polycyclic fused ring system; X1, X2, and Z1 are C or N; Y1 is O, S, Se, Te, CRR?, SiRR?, GeRR?, PR, AsR, SbR, or BiR; K1 is a direct bond, O, S, N(R?), P(R?), B(R?), C(R?)(R?), or Si(R?)(R?); each R, R?, R?, R?, RA, and RB is hydrogen or a general substituent; any two substituents may be joined or fused to form a ring; LA is coordinated to a metal M to form a 5-membered or 6-membered chelate ring; and two RB substituents join to form a 5-membered ring if Y1 is O, S, or Se. Formulations, OLEDs, and consumer products comprising the compound are also provided.Type: ApplicationFiled: September 20, 2023Publication date: May 9, 2024Applicant: Universal Display CorporationInventors: Wei-Chun SHIH, Harvey WENDT, Jui-Yi TSAI, Pierre-Luc T. BOUDREAULT, Alexey Borisovich DYATKIN
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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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Patent number: 11970508Abstract: Provided are transition metal compounds having 1,2,3-triazine. Also provided are formulations comprising these transition metal compounds having 1,2,3-triazine. Further provided are OLEDs and related consumer products that utilize these transition metal compounds having 1,2,3-triazine.Type: GrantFiled: March 29, 2021Date of Patent: April 30, 2024Assignee: UNIVERSAL DISPLAY CORPORATIONInventors: Zhiqiang Ji, Pierre-Luc T. Boudreault, Wei-Chun Shih, Alexey Borisovich Dyatkin, Jui-Yi Tsai
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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: 11932660Abstract: 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: GrantFiled: January 4, 2021Date of Patent: March 19, 2024Assignee: Universal Display CorporationInventors: Wei-Chun Shih, Tyler Fleetham, Zhiqiang Ji, Pierre-Luc T. Boudreault, Tongxiang Lu, Rasha Hamze
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Publication number: 20240084051Abstract: Disclosed are support-activators and catalyst compositions comprising the support-activators for polymerizing olefins in which the support-activator includes clay heteroadduct, prepare from a colloidal phyllosilicate such as a colloidal smectite clay, which is chemically-modified with a heterocoagulation agent. By limiting the amount of heterocoagulation reagent relative to the colloidal smectite clay as described herein, the smectite heteroadduct support-activator is a porous and amorphous solid which can be readily isolated from the resulting slurry by a conventional filtration process, and which can activate metallocenes and related catalysts toward olefin polymerization. Related compositions and processes are disclosed.Type: ApplicationFiled: October 11, 2023Publication date: March 14, 2024Applicant: Formosa Plastics Corporation, U.S.A.Inventors: Michael D. Jensen, Kevin Chung, Daoyong Wang, Wei-Chun Shih, Guangxue Xu, Chih-Jian Chen, Charles R. Johnson, II, Mary Lou Cowen
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Publication number: 20240090311Abstract: A compound comprising a first ligand LA of Formula I, is provided. In Formula I, K is a direct bond, O, S, N(R?), P(R?), B(R?), C(R?)(R?), or Si(R?)(R?); each of X1 to X8 is C or N; Y is a linking group; each R?, R?, R, R?, R?, R1, RA, RB, and RC is hydrogen or a General Substituent; at least one RC is R*; R* has a structure of Cy-R**, where Cy is a monocyclic ring or a polycyclic fused ring system, which can be further substituted, and R** comprises (i) at least one electron-withdrawing group, (ii) a monocyclic ring or a polycyclic fused ring system, where the monocyclic ring and each ring of the polycyclic fused ring system is independently a 5-membered or 6-membered carbocyclic or heterocyclic ring, or (iii) both (i) and (ii); and LA is coordinated to a metal. Formulations, OLEDs, and consumer products containing the compound are also provided.Type: ApplicationFiled: April 10, 2023Publication date: March 14, 2024Applicant: UNIVERSAL DISPLAY CORPORATIONInventors: Jui-Yi TSAI, Alexey Borisovich DYATKIN, Tyler FLEETHAM, Wei-Chun SHIH
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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: 20240076307Abstract: Provided are compounds of Formula Ir(LA)x(LC)y wherein: ligand LA has Formula I? ?and ligand LC has Formula II?Type: ApplicationFiled: October 10, 2023Publication date: March 7, 2024Applicant: Universal Display CorporationInventors: Wei-Chun SHIH, Zhiqiang JI, Pierre-Luc T. BOUDREAULT, Hsiao-Fan CHEN, Tongxiang LU
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Publication number: 20240074301Abstract: Provided are compounds comprising ligands LA that are ligands of Pt and Ir complexes for OLED applications. Also provided are formulations comprising these compounds comprising ligands LA that are ligands of Pt and Ir complexes for OLED applications. Further provided are OLEDs and related consumer products that utilize these compounds comprising ligands LA that are ligands of Pt and Ir complexes for OLED applications.Type: ApplicationFiled: October 5, 2023Publication date: February 29, 2024Applicant: UNIVERSAL DISPLAY CORPORATIONInventors: Wystan Neil PALMER, Wei-Chun SHIH, George FITZGERALD, Joseph A. MACOR, Rasha HAMZE, Pierre-Luc T. BOUDREAULT, Geza SZIGETHY, Zhiqiang JI, Derek Ian WOZNIAK, Hsiao-Fan CHEN
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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: 20240016049Abstract: A compound comprising a first ligand LA of Formula I, and a structure of Formula II, is provided. Formula II is fused to ring A by two adjacent ones of X1 to X4, which are both C. In Formula I and II, X1 to X4 are C or N; K is a direct bond, O, S, N(R?), P(R?), B(R?), C(R?)(R?), and Si(R?)(R?); moiety E is H or D; C1 is C; each of moiety B and moiety C is independently a ring or a fused ring system; each R?, R?, RA, RB, and RC is hydrogen or a General Substituent; and LA is coordinated to a metal M with an atomic mass of at least 40. If moiety C is a 6-membered ring, then moiety B is a fused ring system and then all the RC substituents comprise two or more of combined carbon atoms. Formulations, OLEDs, and consumer product including the compound are also provided.Type: ApplicationFiled: June 7, 2023Publication date: January 11, 2024Applicant: Universal Display CorporationInventors: Wei-Chun SHIH, Derek Ian WOZNIAK, Zhiqiang JI, Pierre-Luc T. BOUDREAULT
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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