Patents by Inventor Tongxiang Lu
Tongxiang Lu 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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Patent number: 11957050Abstract: A compound of Formula I wherein Y is selected from the group consisting of NAr, O, S, and Se; Ar is an optionally substituted aryl or optionally substituted heteroaryl; and Z1 to Z8 are independently selected from C or N, wherein at least one of Z2 or Z3 is C, and at least one of Z6 or Z7 is C. R is selected from the group consisting of deuterium, alkyl, cycloalkyl, heteroalkyl, arylalkyl, alkoxy, aryloxy, amino, silyl, alkenyl, cycloalkenyl, heteroalkenyl, aryl, heteroaryl, nitrile, isonitrile, sulfanyl, and combinations thereof; or optionally R can join with Ar to from a ring; and with the provisios that R is not N-methyl-benzimidazole, and the compound is not compound A.Type: GrantFiled: February 8, 2019Date of Patent: April 9, 2024Inventors: Suman Layek, Jerald Feldman, Peter Wolohan, Tongxiang Lu
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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: 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: 20230422594Abstract: A compound including a ligand LA of Formula I, where C1 and C2 are carbon atoms and a moiety of Formula II, is bonded to one of C1 and C2 by the two dashed lines in Formula II is provided. The variables in Formulae I and II are as defined in the present disclosure.Type: ApplicationFiled: March 29, 2023Publication date: December 28, 2023Applicant: UNIVERSAL DISPLAY CORPORATIONInventors: Zhiqiang JI, Tongxiang LU
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Patent number: 11820783Abstract: Provided are compounds of Formula Ir(LA)x(LC)y, wherein: ligand LA has Formula I? and ligand LC has Formula II?Type: GrantFiled: August 6, 2020Date of Patent: November 21, 2023Assignee: UNIVERSAL DISPLAY CORPORATIONInventors: Wei-Chun Shih, Zhiqiang Ji, Pierre-Luc T. Boudreault, Hsiao-Fan Chen, Tongxiang Lu
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Patent number: 11825736Abstract: A compound of Formula I having isoindoline moiety is disclosed. Their unique configuration of the fused rings enable the compound to exhibit phosphorescent emission in red color region to near infrared region and are useful as emitter materials in organic electroluminescence device.Type: GrantFiled: November 13, 2019Date of Patent: November 21, 2023Assignee: UNIVERSAL DISPLAY CORPORATIONInventors: Zhiqiang Ji, Tongxiang Lu, Pierre-Luc T. Boudreault, George Fitzgerald
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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: 20230303601Abstract: Provided are compounds compound comprising a first ligand LA of Formula I: wherein R1 and R2 are each independently a hydrogen or a substituent selected from the group consisting of deuterium, halogen, alkyl, cycloalkyl, heteroalkyl, heterocycloalkyl, arylalkyl, alkoxy, aryloxy, amino, silyl, germyl, boryl, selenyl, alkenyl, cycloalkenyl, heteroalkenyl, alkynyl, aryl, heteroaryl, acyl, carboxylic acid, ether, ester, nitrile, isonitrile, sulfanyl, sulfinyl, sulfonyl, phosphino, and combinations thereof; wherein LA is coordinated to a metal M through the indicated dashed lines; wherein M may be coordinated to other ligands; wherein LA may be joined with other ligands to comprise a tridentate, tetradentate, pentadentate, or hexadentate ligand; and wherein any two substituents may be joined or fused to form a ring. Also provided are formulations comprising these compounds. Further provided are OLEDs and related consumer products that utilize these compounds.Type: ApplicationFiled: December 1, 2022Publication date: September 28, 2023Applicant: UNIVERSAL DISPLAY CORPORATIONInventors: Jui-Yi TSAI, Tongxiang LU, Alexey Borisovich DYATKIN, Maria L. BUIL, Maria BENITEZ, Miguel A. ESTERUELAS, Susana IZQUIERDO, Enrique OÑATE
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Publication number: 20230263048Abstract: Provided are organometallic compounds comprising a ligand with fused aromatic structures according to Formula I as described herein and their various uses including as emitters in devices and related electronic devices. Also provided are formulations comprising these compounds. Further provided are organic light emitting devices (OLEDs) and related consumer products that utilize these compounds.Type: ApplicationFiled: January 26, 2023Publication date: August 17, 2023Applicant: UNIVERSAL DISPLAY CORPORATIONInventors: Zhiqiang JI, Tongxiang LU, Pierre-Luc T. BOUDREAULT
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Patent number: 11716898Abstract: This invention relates to the development of heterocyclic materials for use as blue phosphorescent materials in OLED devices. The materials are based on a pair of 5-membered aromatic or psuedoaromatic rings bonded to one another and complexed to a transition metal. The materials were determined computationally to have appropriate triplet energies for use as blue emitters and to possess sufficient chemical stability for use in devices.Type: GrantFiled: May 20, 2020Date of Patent: August 1, 2023Assignee: Universal Display CorporationInventors: Tongxiang Lu, George Fitzgerald, Paul Lahti, Morgan C. MacInnis
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Publication number: 20230180594Abstract: A compound including a first ligand LA of Formula I, is provided. In Formula I, rings A, B, C, and D are each a 5-membered or 6-membered ring; L1 is selected from CR, SiR, GeR, N, or B; L2 is selected from CRR?, SiRR?, GeRR?, NR, O, S, Se, or C?X; X is CRR?, O, or S; each of Z1, Z2, Z3, Z4, Z5, Z6, Z7, Z8, and Z9 is independently C or N; each R, R?, RA, RB, RC, and RD is independently hydrogen or a General Substituent; LA is coordinated to a metal M through the indicated dashed lines; metal M may be coordinated to other ligands; and any two adjacent R, R?, RA, RB, RC, and RD may be joined or fused to form a ring. Formulations, OLEDs, and consumer products including the compound are also provided.Type: ApplicationFiled: November 3, 2022Publication date: June 8, 2023Applicant: Universal Display CorporationInventors: Jui-Yi TSAI, Geza SZIGETHY, Tongxiang LU, Alexey Borisovich DYATKIN, Llorenç BENAVENT, Miguel A. ESTERUELAS, Ana M. LOPEZ, Enrique OÑATE
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Publication number: 20230117271Abstract: Provided are compounds comprising a structure of the following Formula I: where the structure of Formula I can be coordinated to a metal M. Also provided are formulations comprising these compounds. Further provided are OLEDs and related consumer products that utilize these compounds.Type: ApplicationFiled: July 12, 2022Publication date: April 20, 2023Applicant: Universal Display CorporationInventors: Hsiao-Fan CHEN, Tongxiang LU, Scott BEERS, Chun LIN
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Publication number: 20230020526Abstract: Provided is an organometallic compound including a first ligand LA selected from In ligand LA, each of Y1 to Y10 is carbon or nitrogen; moiety B is a monocyclic or polycyclic fused ring structure including 5-membered and/or 6-membered rings; any two RA and RB can be fused or joined to form a ring; X is selected from O, S, Se, or NR; each RA and RB is independently hydrogen or a substituent selected from the general substituent defined herein; at least one R, RA, or RB is deuterium or a linking group between LA and another ligand that includes a deuterium substituted aromatic ring; and LA is coordinated to a metal M, selected from Os, Pd, Pt, Ir, Cu, Ag, or Au; and the compound is capable of emitting light with a peak maximum wavelength (?max)?700 nm at room temperature.Type: ApplicationFiled: August 10, 2022Publication date: January 19, 2023Applicant: Universal Display CorporationInventors: Zhiqiang JI, Pierre-Luc T. BOUDREAULT, Tongxiang LU, Wei-Chun SHIH, Derek Ian WOZNIAK, Alan DEANGELIS
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Publication number: 20220363702Abstract: A compound including a first bidentate ligand LA that includes a structure of Formula I, are provided. The ligand LA is coordinated to a metal M and can be joined with other ligands. In Formula I, in addition to some exclusions, each of X1, X2, X3, and X4 is C or N; two R1, R2, and R3 can be joined or fused to form a ring; and each R1, R2, and R3 is independently a group containing the metal M, a hydrogen, or a General Substituent defined herein. Formulations, OLEDs, and consumer products containing the compound are also provided.Type: ApplicationFiled: April 5, 2022Publication date: November 17, 2022Applicant: Universal Display CorporationInventors: Tyler FLEETHAM, Nicholas J. THOMPSON, Neil PALMER, Zhiqiang JI, Tongxiang LU, Wei-Chun SHIH, Derek Ian WOZNIAK, Pierre-Luc T. BOUDREAULT, Diana DRENNAN
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Publication number: 20220340607Abstract: An organometallic compound including a first ligand LA selected from is provided. In ligand LA, each of Y1 to Y10 is carbon or nitrogen; moiety B is a monocyclic or polycyclic fused ring structure comprising 5-membered and/or 6-membered rings; any two RA and RB can be fused or joined to form a ring; X is selected from O, S, Se, or NR; each RA and RB is independently hydrogen or a General Substituent; at least one R, RA, or RB is deuterium or a linking group between LA and another ligand that includes a deuterium substituted aromatic ring; and LA is coordinated to a metal M, selected from Os, Pd, Pt, Ir, Cu, Ag, or Au; and the compound is capable of emitting light with a peak maximum wavelength (?max)?700 nm at room temperature.Type: ApplicationFiled: March 7, 2022Publication date: October 27, 2022Applicant: Universal Display CorporationInventors: Zhiqiang JI, Pierre-Luc T. BOUDREAULT, Tongxiang LU, Wei-Chun SHIH, Derek Ian WOZNIAK, Alan DEANGELIS
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Publication number: 20220336748Abstract: Provided are compounds having the structure of Formula I: Formula I; wherein A is B, Al, Bi, or is not present; and L1-L4 are each independently selected from the group consisting of O, S, Se, NR, BR, BRR?, CRR?, SiRR?, GeRR?, P(O)R, and C?X; and L3 and L4 are each optionally present; wherein each R, R?, R?, R??, RA, RB, RC, RD, RE, RF, and RG is hydrogen or a substituent; and any two adjacent R, R?, R?, R??, RA, RB, RC, RD, RE, RF, and RG can be joined or fused to form a ring. Also provided are formulations comprising these compounds. Further provided are OLEDs and related consumer products that utilize these compounds.Type: ApplicationFiled: March 31, 2022Publication date: October 20, 2022Applicant: UNIVERSAL DISPLAY CORPORATIONInventors: Hsiao-Fan CHEN, Tongxiang LU, Elena SHEINA
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Publication number: 20220165967Abstract: 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: November 1, 2021Publication date: May 26, 2022Applicant: UNIVERSAL DISPLAY CORPORATIONInventors: Zhiqiang JI, Tongxiang LU, Wei-Chun SHIH, Pierre-Luc T. BOUDREAULT, George FITZGERALD
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Publication number: 20220085302Abstract: A compound having a ligand LA of Formula I, is disclosed. In Formula I, ring B is a 5-membered or 6-membered ring; K is a direct bond, O, or S; X is O, S, Se, NR, CRR?, SiRR?, or GeRR?; R1 and R2 are each independently selected from a variety of substituents; each R, R?, RA, and RB is independently hydrogen or a substituent; LA is coordinated to a metal M selected from Os, Ir, Pd, Pt, Cu, Ag, or Au by the dashed lines; any two adjacent of R1, R2, R, R?, RA, or RB can be joined or fused to form a ring, with the proviso that when ring B is a 6-membered ring, two RB substituents are not joined to form a fused 6-membered aromatic ring. Organic light emitting devices, consumer products, formulations, and chemical structures containing the compounds are also disclosed.Type: ApplicationFiled: August 17, 2021Publication date: March 17, 2022Applicant: Universal Display CorporationInventors: Zhiqiang JI, Pierre-Luc T. BOUDREAULT, Tongxiang LU, Wei-Chun SHIH, Bert ALLEYNE, Hsiao-Fan CHEN
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Publication number: 20220045284Abstract: A compound comprising a ligand LA of Formula I, where G has a structure of is disclosed. In ligand LA, Ring C is a 5-membered or 6-membered ring; K is a direct bond, O, or S; when K is O or S, X6 is C; each of RA, RB, and RC is H or a substituent, and can be joined together to form a ring; each of X1 to X6 is independently C or N; X1 is C if it is connected to ring C; the RB substituents of at least two adjacent ones of X2 to X5 are joined to form a ring; and the ligand LA is complexed to Ir through the two indicated dash lines to form a 5-membered chelate ring. Organic light emitting devices, consumer products, formulations, and chemical structures containing the compounds are also disclosed.Type: ApplicationFiled: July 16, 2021Publication date: February 10, 2022Applicant: Universal Display CorporationInventors: Tongxiang LU, Zhiqiang Ji, George Fitzgerald, Pierre-Luc T. Boudreault, Jui-Yi Tsai
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Patent number: 11239433Abstract: A compound comprising a ligand LA having the formula: is disclosed. Such a compound is suitable for use an emitter in organic light emitting devices.Type: GrantFiled: July 18, 2018Date of Patent: February 1, 2022Assignee: UNIVERSAL DISPLAY CORPORATIONInventors: Morgan C. MacInnis, Diana Drennan, Tongxiang Lu, Daniel W. Silverstein, Hsiao-Fan Chen, George Fitzgerald, Jason Brooks, Paul M. Lahti