Patents by Inventor Paul M. Lahti
Paul M. Lahti 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: 11758804Abstract: Novel metal compounds having a first ligand LA that has the following formula: Formula I useful as emitters in OLED application are disclosed.Type: GrantFiled: May 24, 2018Date of Patent: September 12, 2023Assignee: UNIVERSAL DISPLAY CORPORATIONInventors: Hsiao-Fan Chen, Mingjuan Su, Zhiqiang Ji, Jui-Yi Tsai, Jason Brooks, Paul M. Lahti
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Publication number: 20230276696Abstract: The present invention includes novel heterocyclic materials for use as blue phosphorescent materials in OLED devices. The materials are based on carbene and heterocyclic 5-membered ring linked ligands, which may be complexed to a transition metal via a metal-carbon (carbene) bond and a metal-nitrogen covalent bond.Type: ApplicationFiled: April 17, 2023Publication date: August 31, 2023Inventors: Tongxiang (Aaron) Lu, George Fitzgerald, Morgan C. MacInnis, Paul M. Lahti
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Patent number: 11697661Abstract: A compound having the formula Ir(LA)n(LB)3?n, having the structure Formula I, is disclosed. In Formula I, each of Z1, Z2, Z3, and Z4 is CR2; X is O, S, or Se; n is an integer from 1 to 3; R1, R2, R3, R4, and R5 each independently represent mono- to a maximum possible number of substitutions, or no substitution; R1, R2, R3, R4, and R5 are each independently selected from a variety of substituents; any two substitutions in R1, R2, R3, R4, and R5 are optionally joined to form a ring; at least one pair of substitutions in R1, R2, R3, R4, and R5 are joined together to form a bridge structure comprising a backbone structure that forms a fused first ring, which can be further substituted; and the backbone structure is saturated. Organic light emitting devices and consumer products containing the compounds are also disclosed.Type: GrantFiled: September 24, 2020Date of Patent: July 11, 2023Assignee: Universal Display CorporationInventors: Lichang Zeng, Zhiqiang Ji, Eric A. Margulies, Paul M. Lahti, Michael S. Weaver
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Patent number: 11678565Abstract: The present invention includes novel heterocyclic materials for use as blue phosphorescent materials in OLED devices. The materials are based on carbene and heterocyclic 5-membered ring linked ligands, which may be complexed to a transition metal via a metal-carbon (carbene) bond and a metal-nitrogen covalent bond.Type: GrantFiled: June 5, 2018Date of Patent: June 13, 2023Assignee: Universal Display CorporationInventors: Tongxiang (Aaron) Lu, George Fitzgerald, Morgan C. MacInnis, Paul M. Lahti
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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
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Patent number: 11201299Abstract: The present invention includes novel heterocyclic materials for use as blue phosphorescent materials in OLED devices. The novel materials include two fused 5-membered aromatic or pseudoaromatic rings, which are bonded with 6 membered aromatic rings to serve as chelation ligands for a transition metal. The novel 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: April 13, 2018Date of Patent: December 14, 2021Assignee: Universal Display CorporationInventors: Tongxiang (Aaron) Lu, George Fitzgerald, Paul M. Lahti, Morgan C. MacInnis, Daniel W. Silverstein, Peter Wolohan, Diana Drennan
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Patent number: 10964904Abstract: This invention relates to the development of heterocyclic materials for use as red, green, and blue phosphorescent materials in OLED devices. The materials are based in part on a pair of aromatic or psuedoaromatic rings bonded to one another and complexed to a transition metal. Azaborinane, borazine, and related aromatic structures including boron may be incorporated as fused rings, as pendant groups, or as bridging groups to tune color and improve chemical stability. Desirable structures may be selected by being determined computationally to have appropriate triplet energies for use as blue emitters and to possess sufficient chemical stability for use in devices.Type: GrantFiled: January 4, 2018Date of Patent: March 30, 2021Assignee: UNIVERSAL DISPLAY CORPORATIONInventors: George Fitzgerald, Paul M Lahti, Chun Lin
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Publication number: 20210009615Abstract: A compound having the formula Ir(LA)n(LB)3?n, having the structure Formula I, is disclosed. In Formula I, each of Z1, Z2, Z3, and Z4 is CR2; X is O, S, or Se; n is an integer from 1 to 3; R1, R2, R3, R4, and R5 each independently represent mono- to a maximum possible number of substitutions, or no substitution; R1, R2, R3, R4, and R5 are each independently selected from a variety of substituents; any two substitutions in R1, R2, R3, R4, and R5 are optionally joined to form a ring; at least one pair of substitutions in R1, R2, R3, R4, and R5 are joined together to form a bridge structure comprising a backbone structure that forms a fused first ring, which can be further substituted; and the backbone structure is saturated. Organic light emitting devices and consumer products containing the compounds are also disclosed.Type: ApplicationFiled: September 24, 2020Publication date: January 14, 2021Applicant: Universal Display CorporationInventors: Lichang ZENG, Zhiqiang JI, Eric A. MARGULIES, Paul M. LAHTI, Michael S. WEAVER
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Patent number: 10822361Abstract: A compound having the formula Ir(LA)n(LB)3?n, having the structure, Formula I, is disclosed. In Formula I, Z1, Z2, Z3, and Z4 each independently are N or CR2; X is O, S, or Se; n is an integer from 1 to 3; R1, R2, R3, R4, and R5 each independently represent mono- to a maximum possible number of substitutions, or no substitution; R1, R2, R3, R4, and R5 are each independently selected from a variety of substituents; any two substitutions in R1, R2, R3, R4, and R5 are optionally joined to form a ring; at least one pair of substitutions in R1, R2, R3, R4, and R5 are joined together to form a bridge structure comprising a backbone structure that forms a fused first ring, which can be further substituted; and the backbone structure is saturated. Organic light emitting devices and consumer products containing the compounds are also disclosed.Type: GrantFiled: February 7, 2018Date of Patent: November 3, 2020Assignee: UNIVERSAL DISPLAY CORPORATIONInventors: Lichang Zeng, Zhiqiang Ji, Eric A. Margulies, Paul M. Lahti, Michael S. Weaver
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Publication number: 20190058136Abstract: A compound comprising a ligand LA of Formula I shown below is disclosed.Type: ApplicationFiled: July 18, 2018Publication date: February 21, 2019Applicant: UNIVERSAL DISPLAY CORPORATIONInventors: Morgan C. MACINNIS, Diana DRENNAN, Tongxiang LU, Daniel W. SILVERSTEIN, Hsiao-Fan CHEN, George FITZGERALD, Jason BROOKS, Paul M. LAHTI
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Publication number: 20180375038Abstract: The present invention includes novel heterocyclic materials for use as blue phosphorescent materials in OLED devices. The materials are based on carbene and heterocyclic 5-membered ring linked ligands, which may be complexed to a transition metal via a metal-carbon (carbene) bond and a metal-nitrogen covalent bond.Type: ApplicationFiled: June 5, 2018Publication date: December 27, 2018Inventors: Tongxiang (Aaron) Lu, George Fitzgerald, Morgan C. Maclnnis, Paul M. Lahti
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Publication number: 20180370999Abstract: The present invention includes a series of novel osmium bis(tridenatate) complexes with emission profiles in the near-infrared region.Type: ApplicationFiled: May 18, 2018Publication date: December 27, 2018Inventors: Jui-Yi Tsai, Alexey Borisovich Dyatkin, Zhiqiang Ji, Paul M. Lahti, Miguel A. Esteruelas, Ana M. Lopez, Enrique Onate, Ainhoa San Torcuato, Pierre-Luc T. Boudreault
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Publication number: 20180375037Abstract: Novel metal compounds having a first ligand LA that has the following formula: Formula I useful as emitters in OLED application are disclosed.Type: ApplicationFiled: May 24, 2018Publication date: December 27, 2018Applicant: Universal Display CorporationInventors: Hsiao-Fan CHEN, Mingjuan SU, Zhiqiang JI, Jui-Yi TSAI, Jason BROOKS, Paul M. LAHTI
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Publication number: 20180331291Abstract: The present invention includes novel heterocyclic materials for use as blue phosphorescent materials in OLED devices. The novel materials include two fused 5-membered aromatic or pseudoaromatic rings, which are bonded with 6 membered aromatic rings to serve as chelation ligands for a transition metal. The novel 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: ApplicationFiled: April 13, 2018Publication date: November 15, 2018Inventors: Tongxiang (Aaron) Lu, George Fitzgerald, Paul M. Lahti, Morgan C. MacInnis, Daniel W. Silverstein, Peter Wolohan, Diana Drennan
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Publication number: 20180261793Abstract: This invention relates to the development of heterocyclic materials for use as red, green, and blue phosphorescent materials in OLED devices. The materials are based in part on a pair of aromatic or psuedoaromatic rings bonded to one another and complexed to a transition metal. Azaborinane, borazine, and related aromatic structures including boron may be incorporated as fused rings, as pendant groups, or as bridging groups to tune color and improve chemical stability. Desirable structures may be selected by being determined computationally to have appropriate triplet energies for use as blue emitters and to possess sufficient chemical stability for use in devices.Type: ApplicationFiled: January 4, 2018Publication date: September 13, 2018Inventors: George FITZGERALD, Paul M. LAHTI, Chun LIN
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Publication number: 20180237463Abstract: A compound having the formula Ir(LA)n(LB)3-n, having the structure Formula I, is disclosed. In Formula I, Z1, Z2, Z3, and Z4 each independently are N or CR2; X is O, S, or Se; n is an integer from 1 to 3; R1, R2, R3, R4, and R5 each independently represent mono- to a maximum possible number of substitutions, or no substitution; R1, R2, R3, R4, and R5 are each independently selected from a variety of substituents; any two substitutions in R1, R2, R3, R4, and R5 are optionally joined to form a ring; at least one pair of substitutions in R1, R2, R3, R4, and R5 are joined together to form a bridge structure comprising a backbone structure that forms a fused first ring, which can be further substituted; and the backbone structure is saturated. Organic light emitting devices and consumer products containing the compounds are also disclosed.Type: ApplicationFiled: February 7, 2018Publication date: August 23, 2018Applicant: Universal Display CorporationInventors: Lichang Zeng, Zhiqiang Ji, Eric A. Margulies, Paul M. Lahti, Michael S. Weaver
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Publication number: 20180226580Abstract: The present invention includes novel compounds having a boron containing ring for use as charge transporters, hosts or emitters in OLEDs.Type: ApplicationFiled: January 18, 2018Publication date: August 9, 2018Inventors: George Fitzgerald, Chun Lin, Alexey Borisovich Dyatkin, Paul M. Lahti