Patents by Inventor Nasrin Ansari
Nasrin Ansari 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: 20240138251Abstract: Novel phosphorescent heteroleptic iridium complexes with phenylpyridine and dibenzo-containing ligands are provided. Alkyl substitution at specific positions on the ligands gives rise to compounds with improved OLED properties, including saturated green emission.Type: ApplicationFiled: December 19, 2023Publication date: April 25, 2024Applicant: Universal Display CorporationInventors: Gregg KOTTAS, Nasrin Ansari, Zeinab Elshenawy, Alan DeAngelis, Chuanjun Xia
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Patent number: 11910700Abstract: Novel phosphorescent heteroleptic iridium complexes with phenylpyridine and dibenzo-containing ligands are provided. Alkyl substitution at specific positions on the ligands gives rise to compounds with improved OLED properties, including saturated green emission.Type: GrantFiled: May 17, 2022Date of Patent: February 20, 2024Assignee: UNIVERSAL DISPLAY CORPORATIONInventors: Gregg Kottas, Nasrin Ansari, Zeinab Elshenawy, Alan DeAngelis, Chuanjun Xia
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Patent number: 11600791Abstract: Organometallic compounds comprising an imidazole carbene ligand having a N-containing ring fused to the imidazole ring are provided. In particular, the N-containing ring fused to the imidazole ring may contain one nitrogen atom or more than one nitrogen atom. These compounds may demonstrate high photoluminescent (PL) efficiency, Gaussian emission spectra, and/or short excited state lifetimes. These materials may be especially useful as blue phosphorescent emitters.Type: GrantFiled: November 2, 2020Date of Patent: March 7, 2023Assignee: Universal Display CorporationInventors: Yonggang Wu, Chuanjun Xia, James Fiordeliso, Suman Layek, Bert Alleyne, Alexey Borisovich Dyatkin, Nasrin Ansari, Scott Beers, Edward Barron, Jason Brooks
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Publication number: 20230053347Abstract: A compound of: is disclosed. In Formula III, ring B and ring C are each independently a 5 or 6-membered carbocyclic or heterocyclic ring; A-B represents a bonded pair of carbocyclic or heterocyclic rings coordinated to a metal M via a nitrogen atom in ring A and an sp2 hybridized atom in ring B; A-C represents a bonded pair of carbocyclic or heterocyclic rings; M is a metal having an atomic number greater than 40; L? is a monoanionic bidentate ligand; m is the oxidation state of the metal M; and n is at least 1.Type: ApplicationFiled: September 16, 2022Publication date: February 23, 2023Applicant: Universal Display CorporationInventors: Chuanjun XIA, Bert ALLEYNE, Raymond C. KWONG, James FIORDELISO, Michael S. WEAVER, Nasrin ANSARI, Alan DEANGELIS, Dinesh RAYABARAPU, Vadim ADAMOVICH
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Patent number: 11482685Abstract: A compound of: is disclosed. In Formula IV, ring B and ring C are each independently a 5 or 6-membered carbocyclic or heterocyclic ring; A-B represents a bonded pair of carbocyclic or heterocyclic rings coordinated to a metal M via a nitrogen atom in ring A and an sp2 hybridized atom in ring B; A-C represents a bonded pair of carbocyclic or heterocyclic rings; M is a metal having an atomic number greater than 40; L? is a monoanionic bidentate ligand; m is the oxidation state of the metal M; and n is at least 1.Type: GrantFiled: November 19, 2020Date of Patent: October 25, 2022Assignee: UNIVERSAL DISPLAY CORPORATIONInventors: Chuanjun Xia, Bert Alleyne, Raymond C. Kwong, James Fiordeliso, Michael S. Weaver, Nasrin Ansari, Alan DeAngelis, Dinesh Rayabarapu, Vadim Adamovich
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Publication number: 20220302396Abstract: Novel phosphorescent heteroleptic iridium complexes with phenylpyridine and dibenzo-containing ligands are provided. Alkyl substitution at specific positions on the ligands gives rise to compounds with improved OLED properties, including saturated green emission.Type: ApplicationFiled: May 17, 2022Publication date: September 22, 2022Applicant: Universal Display CorporationInventors: Gregg KOTTAS, Nasrin Ansari, Zeinab Elshenawy, Alan DeAngelis, Chuanjun Xia
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Patent number: 11380854Abstract: Novel phosphorescent heteroleptic iridium complexes with phenylpyridine and dibenzo-containing ligands are provided. Alkyl substitution at specific positions on the ligands gives rise to compounds with improved OLED properties, including saturated green emission.Type: GrantFiled: April 16, 2019Date of Patent: July 5, 2022Assignee: UNIVERSAL DISPLAY CORPORATIONInventors: Gregg Kottas, Nasrin Ansari, Zeinab Elshenawy, Alan DeAngelis, Chuanjun Xia
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Publication number: 20210074931Abstract: A compound of: is disclosed. In Formula IV, ring B and ring C are each independently a 5 or 6-membered carbocyclic or heterocyclic ring; A-B represents a bonded pair of carbocyclic or heterocyclic rings coordinated to a metal M via a nitrogen atom in ring A and an sp2 hybridized atom in ring B; A-C represents a bonded pair of carbocyclic or heterocyclic rings; M is a metal having an atomic number greater than 40; L? is a monoanionic bidentate ligand; m is the oxidation state of the metal M; and n is at least 1.Type: ApplicationFiled: November 19, 2020Publication date: March 11, 2021Applicant: Universal Display CorporationInventors: Chuanjun XIA, Bert ALLEYNE, Raymond C. KWONG, James FIORDELISO, Michael S. WEAVER, Nasrin ANSARI, Alan DEANGELIS, Dinesh RAYABARAPU, Vadim ADAMOVICH
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Publication number: 20210050530Abstract: Organometallic compounds comprising an imidazole carbene ligand having a N-containing ring fused to the imidazole ring are provided. In particular, the N-containing ring fused to the imidazole ring may contain one nitrogen atom or more than one nitrogen atom. These compounds may demonstrate high photoluminescent (PL) efficiency, Gaussian emission spectra, and/or short excited state lifetimes. These materials may be especially useful as blue phosphorescent emitters.Type: ApplicationFiled: November 2, 2020Publication date: February 18, 2021Applicant: Universal Display CorporationInventors: Yonggang Wu, Chuanjun Xia, James Fiordeliso, Suman Layek, Bert Alleyne, Alexey Borisovich Dyatkin, Nasrin Ansari, Scott Beers, Edward Barron, Jason Brooks
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Patent number: 10892426Abstract: An OLED containing an emissive dopant that is a heteroleptic complex having the formula Ir(LA-B)2(LC-D) is disclosed.Type: GrantFiled: January 14, 2020Date of Patent: January 12, 2021Assignee: UNIVERSAL DISPLAY CORPORATIONInventors: Chuanjun Xia, Bert Alleyne, Raymond C. Kwong, James Fiordeliso, Michael S. Weaver, Nasrin Ansari, Alan Deangelis, Dinesh Rayabarapu, Vadim Adamovich
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Patent number: 10873038Abstract: Organometallic compounds comprising an imidazole carbene ligand having a N-containing ring fused to the imidazole ring are provided. In particular, the N-containing ring fused to the imidazole ring may contain one nitrogen atom or more than one nitrogen atom. These compounds may demonstrate high photoluminescent (PL) efficiency, Gaussian emission spectra, and/or short excited state lifetimes. These materials may be especially useful as blue phosphorescent emitters.Type: GrantFiled: April 10, 2018Date of Patent: December 22, 2020Assignee: UNIVERSAL DISPLAY CORPORATIONInventors: Yonggang Wu, Chuanjun Xia, James Fiordeliso, Suman Layek, Bert Alleyne, Alexey Borisovich Dyatkin, Nasrin Ansari, Scott Beers, Edward Barron, Jason Brooks
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Publication number: 20200152890Abstract: An OLED containing an emissive dopant that is a heteroleptic complex having the formula Ir(LA-B)2(LC-D) is disclosed.Type: ApplicationFiled: January 14, 2020Publication date: May 14, 2020Applicant: Universal Display CorporationInventors: Chuanjun XIA, Bert ALLEYNE, Raymond C. KWONG, James FIORDELISO, Michael S. WEAVER, Nasrin ANSARI, Alan DEANGELIS, Dinesh RAYABARAPU, Vadim ADAMOVICH
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Patent number: 10593896Abstract: Methods of making novel organic compounds containing a twisted aryl group are provided. In particular, the compounds provided contain a 2-phenylpyridine ligand having a twisted aryl group on the pyridine portion of the ligand. The compounds may be used in organic light emitting devices, particularly as emitting dopants. Devices comprising the compounds containing twisted aryl may demonstrate improved color, efficiency, stability and manufacturing.Type: GrantFiled: November 27, 2018Date of Patent: March 17, 2020Assignee: UNIVERSAL DISPLAY CORPORATIONInventors: Chuanjun Xia, Bert Alleyne, Raymond C. Kwong, James Fiordeliso, Michael S. Weaver, Nasrin Ansari, Alan Deangelis, Dinesh Rayabarapu, Vadim Adamovich
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Publication number: 20190245153Abstract: Novel phosphorescent heteroleptic iridium complexes with phenylpyridine and dibenzo-containing ligands are provided. Alkyl substitution at specific positions on the ligands gives rise to compounds with improved OLED properties, including saturated green emission.Type: ApplicationFiled: April 16, 2019Publication date: August 8, 2019Applicant: Universal Display CorporationInventors: Gregg Kottas, Nasrin Ansari, Zeinab Elshenawy, Alan DeAngelis, Chuanjun Xia
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Patent number: 10312458Abstract: Novel phosphorescent heteroleptic iridium complexes with phenylpyridine and dibenzo-containing ligands are provided. Alkyl substitution at specific positions on the ligands gives rise to compounds with improved OLED properties, including saturated green emission.Type: GrantFiled: October 5, 2015Date of Patent: June 4, 2019Assignee: UNIVERSAL DISPLAY CORPORATIONInventors: Gregg Kottas, Nasrin Ansari, Zeinab Elshenawy, Alan DeAngelis, Chuanjun Xia
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Publication number: 20190148651Abstract: Methods of making novel organic compounds containing a twisted aryl group are provided. In particular, the compounds provided contain a 2-phenylpyridine ligand having a twisted aryl group on the pyridine portion of the ligand. The compounds may be used in organic light emitting devices, particularly as emitting dopants. Devices comprising the compounds containing twisted aryl may demonstrate improved color, efficiency, stability and manufacturing.Type: ApplicationFiled: November 27, 2018Publication date: May 16, 2019Applicant: Universal Display CorporationInventors: CHUANJUN XIA, Bert ALLEYNE, Raymond C. KWONG, James FIORDELISO, Michael S. WEAVER, Nasrin ANSARI, Alan DEANGELIS, Dinesh RAYABARAPU, Vadim ADAMOVICH
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Publication number: 20190109287Abstract: Organometallic compounds comprising an imidazole carbene ligand having a N-containing ring fused to the imidazole ring are provided. In particular, the N-containing ring fused to the imidazole ring may contain one nitrogen atom or more than one nitrogen atom. These compounds may demonstrate high photoluminescent (PL) efficiency, Gaussian emission spectra, and/or short excited state lifetimes. These materials may be especially useful as blue phosphorescent emitters.Type: ApplicationFiled: April 10, 2018Publication date: April 11, 2019Applicant: Universal Display CorporationInventors: Yonggang Wu, Chuanjun Xia, James Fiordeliso, Suman Layek, Bert Alleyne, Alexey Borisovich Dyatkin, Nasrin Ansari, Scott Beers, Edward Barron, Jason Brooks
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Patent number: 10186672Abstract: Methods of making novel organic compounds containing a twisted aryl group are provided. In particular, the compounds provided contain a 2-phenylpyridine ligand having a twisted aryl group on the pyridine portion of the ligand. The compounds may be used in organic light emitting devices, particularly as emitting dopants. Devices comprising the compounds containing twisted aryl may demonstrate improved color, efficiency, stability and manufacturing.Type: GrantFiled: March 23, 2017Date of Patent: January 22, 2019Assignee: UNIVERSAL DISPLAY CORPORATIONInventors: Chuanjun Xia, Bert Alleyne, Raymond C. Kwong, James Fiordeliso, Michael S. Weaver, Nasrin Ansari, Alan Deangelis, Dinesh Rayabarapu, Vadim Adamovich
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Patent number: 10079349Abstract: Novel heteroleptic iridium complexes are described. These iridium compounds contain alkyl substituted phenylpyridine ligands, which provide these compounds with beneficial properties when the iridium complexes are incorporated into OLED devices.Type: GrantFiled: May 24, 2012Date of Patent: September 18, 2018Assignee: UNIVERSAL DISPLAY CORPORATIONInventors: Jui-Yi Tsai, Chuanjun Xia, Gregg Kottas, Zeinab Elshenaway, Nasrin Ansari, Bert Alleyne
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Patent number: 9972793Abstract: Organometallic compounds comprising an imidazole carbene ligand having a N-containing ring fused to the imidazole ring are provided. In particular, the N-containing ring fused to the imidazole ring may contain one nitrogen atom or more than one nitrogen atom. These compounds may demonstrate high photoluminescent (PL) efficiency, Gaussian emission spectra, and/or short excited state lifetimes. These materials may be especially useful as blue phosphorescent emitters.Type: GrantFiled: October 10, 2014Date of Patent: May 15, 2018Assignee: Universal Display CorporationInventors: Yonggang Wu, Chuanjun Xia, James Fiordeliso, Suman Layek, Bert Alleyne, Alexey Borisovich Dyatkin, Nasrin Ansari, Scott Beers, Edward Barron, Jason Brooks