Patents by Inventor Peter I. Djurovich
Peter I. Djurovich 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: 10367157Abstract: Disclosed herein are organic photosensitive optoelectronic devices comprising acceptor and/or donor sensitizers to increase absorption and photoresponse of the photoactive layers of the devices. In particular, devices herein include at least one acceptor layer and at least one donor layer, wherein the acceptor layer may comprise a mixture of an acceptor material and at least one sensitizer, and the donor layer may comprise a mixture of a donor material and at least one sensitizer. Methods of fabricating the organic photosensitive optoelectronic devices are also disclosed.Type: GrantFiled: October 7, 2013Date of Patent: July 30, 2019Assignee: University of Southern CaliforniaInventors: Mark E. Thompson, Cong Trinh, Peter I. Djurovich, Sarah M. Conron
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Publication number: 20190207128Abstract: Imidazophenanthridine ligands and metal complexes are provided. The compounds exhibit improved stability through a linking substitution that links a nitrogen bonded carbon of an imidizole ring to a carbon on the adjacent fused aryl ring. The compounds may be used in organic light emitting devices, particularly as emissive dopants, providing devices with improved efficiency, stability, and manufacturing. In particular, the compounds provided herein may be used in blue devices having high efficiency.Type: ApplicationFiled: March 7, 2019Publication date: July 4, 2019Applicant: Universal Display CorporationInventors: Jason BROOKS, Geza SZIGETHY, Glenn MORELLO, Jun DENG, Peter I. DJUROVICH, Hsiao-Fan CHEN
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Publication number: 20190161504Abstract: A compound selected from the group consisting of Formula I, Formula II, and Formula III, wherein ring A, ring B, and ring C are independently a five-membered or six-membered, carbocyclic or heterocyclic ring, each of which is optionally aromatic; ring W of Formula I is a 6-membered heterocyclic ring, and ring W of Formula II or Formula III is a 5-membered or 6-membered heterocyclic ring; L is a monodentate ligand with a metal coordinating member selected from the group consisting of C, N, O, S, and P; and M is a metal selected from the group consisting of Cu, Au, and Ag.Type: ApplicationFiled: November 15, 2018Publication date: May 30, 2019Applicant: UNIVERSITY OF SOUTHERN CALIFORNIAInventors: Mark E. THOMPSON, Peter I. DJUROVICH, Rasha HAMZE, Shuyang SHI, Moon Chul JUNG
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Patent number: 10276805Abstract: Imidazophenanthridine ligands and metal complexes are provided. The compounds exhibit improved stability through a linking substitution that links a nitrogen bonded carbon of an imidizole ring to a carbon on the adjacent fused aryl ring. The compounds may be used in organic light emitting devices, particularly as emissive dopants, providing devices with improved efficiency, stability, and manufacturing. In particular, the compounds provided herein may be used in blue devices having high efficiency.Type: GrantFiled: November 29, 2017Date of Patent: April 30, 2019Assignee: UNIVERSAL DISPLAY CORPORATIONInventors: Jason Brooks, Geza Szigethy, Glenn Morello, Jun Deng, Peter I. Djurovich, Hsiao-Fan Chen
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Patent number: 10263198Abstract: Imidazophenanthridine ligands and metal complexes are provided. The compounds exhibit improved stability through a linking substitution that links a nitrogen bonded carbon of an imidizole ring to a carbon on the adjacent fused aryl ring. The compounds may be used in organic light emitting devices, particularly as emissive dopants, providing devices with improved efficiency, stability, and manufacturing. In particular, the compounds provided herein may be used in blue devices having high efficiency.Type: GrantFiled: October 12, 2016Date of Patent: April 16, 2019Assignee: UNIVERSAL DISPLAY CORPORATIONInventors: Jason Brooks, Geza Szigethy, Glenn Morello, Jun Deng, Peter I. Djurovich
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Patent number: 10256419Abstract: Imidazophenanthridine ligands and metal complexes are provided. The compounds exhibit improved stability through a linking substitution that links a nitrogen bonded carbon of an imidizole ring to a carbon on the adjacent fused aryl ring. The compounds may be used in organic light emitting devices, particularly as emissive dopants, providing devices with improved efficiency, stability, and manufacturing. In particular, the compounds provided herein may be used in blue devices having high efficiency.Type: GrantFiled: November 5, 2015Date of Patent: April 9, 2019Assignee: UNIVERSAL DISPLAY CORPORATIONInventors: Jason Brooks, Geza Szigethy, Glenn Morello, Jun Deng, Peter I. Djurovich, Hsiao-Fan Chen
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Patent number: 10199582Abstract: A compound comprising a ligand LA according to formula (I) as well as, a first device and a formulation including the same are disclosed. In the structure of formula (I): ring A is a 5- or 6-membered heteroaryl ring; X1 is C or N; RA is mono-, bi-, tri-, tetradentate, or unsubstituted; RA, R10, R11, R12, R13, R14, R15, R16, and R17 are independently selected from the group consisting of hydrogen, deuterium, halide, alkyl, cycloalkyl, heteroalkyl, arylalkyl, alkoxy, aryloxy, amino, silyl, alkenyl, cycloalkenyl, heteroalkenyl, alkynyl, aryl, heteroaryl, acyl, carbonyl, carboxylic acids, ester, nitrile, isonitrile, sulfanyl, sulfinyl, sulfonyl, phosphino, and combinations thereof, any adjacent substituents of RA, R10, R11, R12, R13, R14, R15, R16, and R17 are optionally joined to form a fused ring; the dashed lines represent bonds to a metal M; and metal M has an atomic number greater than 40.Type: GrantFiled: September 2, 2014Date of Patent: February 5, 2019Assignee: UNIVERSITY OF SOUTHERN CALIFORNIAInventors: Mark E. Thompson, John W. Facendola, Peter I. Djurovich
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Patent number: 10128450Abstract: A compound having a structure according to formula (I) is disclosed. In formula (I), Cu is a monovalent copper atom; *C is a carbene carbon; X1 and X2 are selected from alkyl, cycloalkyl, alkoxy, amino, alkenyl, cycloalkenyl, heteroalkenyl, alkynyl, heteroalkynyl, arylalkyl, aryloxy, aryl, heteroalkyl, heteroaryl, and combinations thereof; X1 is bonded to *C by a C atom, and X2 is bonded to *C by an N atom; X1 and X2 are optionally joined to form a ring; and Y is selected halide, alkyl, cycloalkyl, alkoxy, amino, phosphine, alkenyl, cycloalkenyl, heteroalkenyl, alkynyl, heteroalkynyl, arylalkyl, aryloxy, aryl, heteroalkyl, heteroaryl, and combinations thereof. A formulation containing compound having a structure according to formula (I), and a device with an organic layer comprising disposed between an anode and a cathode, that includes a compound having a structure according to formula (I) are also described.Type: GrantFiled: September 29, 2017Date of Patent: November 13, 2018Assignee: UNIVERSITY OF SOUTHERN CALIFORNIAInventors: Mark E. Thompson, Peter I. Djurovich, Valentina Krylova
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Patent number: 10121975Abstract: A compound comprising a ligand LA selected from: as well as, devices and formulations containing the compound are disclosed. In the compounds, independently X1-X6 are CH or N; Y1-Y12 are independently selected from CH, N, and C-APR1?R1?; when present, exactly one of Y1 through Y12 is C-APR1?R1? in LA8; A is selected from a single bond, —CRARB—, —NRA—, —O—, —S— and —SiRARB—; and R, R1?, R1?, R2, R3, RA, and RB are each independently a substituent selected from hydrogen, deuterium, alkyl, cycloalkyl, aryl, and combinations thereof. The P-atom of the ligand LA is bonded to a metal M having an atomic weight of at least 40.Type: GrantFiled: June 11, 2014Date of Patent: November 6, 2018Assignee: UNIVERSAL DISPLAY CORPORATIONInventors: Mark E. Thompson, Yifei Liu, Peter I. Djurovich
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Patent number: 10002214Abstract: Compound libraries, systems, methods, and apparatus, including computer program apparatus, are described for implementing techniques for processing data from a combinatorial inquiry to determine materials of use in various photoelectronic devices, e.g., organic light emitting diodes. The libraries include a collection of putative compounds of use as components of OLED devices, which are cross-referenced with one or more electronic property relevant to the efficacy of the compounds in an OLED device. The techniques broadly include receiving data from a chemical experiment on a library of materials having a plurality of members and generating a queriable representation of the chemical experiment. The chemical experiment is optionally an in silico experiment.Type: GrantFiled: October 29, 2014Date of Patent: June 19, 2018Assignee: UNIVERSITY OF SOUTHERN CALIFORNIAInventors: Mark E. Thompson, Patrick Saris, Peter I. Djurovich, Hsiao-fan Chen
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Patent number: 9932359Abstract: A compound having a structure according to wherein Y is a carbene moeity coordinated to a trivalent copper atom Cu is disclosed. In Formula I, L1, L2, and L3 are three monodentate ligands. In Formula II, L1, L2, and L3 represent a single tridentate ligand chelated by X, wherein X is B—H, C—H, N, P, or P?O.Type: GrantFiled: July 3, 2014Date of Patent: April 3, 2018Assignee: UNIVERSITY OF SOUTHERN CALIFORNIAInventors: Mark E. Thompson, Rasha Hamze, Peter I. Djurovich
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Publication number: 20180090691Abstract: Imidazophenanthridine ligands and metal complexes are provided. The compounds exhibit improved stability through a linking substitution that links a nitrogen bonded carbon of an imidizole ring to a carbon on the adjacent fused aryl ring. The compounds may be used in organic light emitting devices, particularly as emissive dopants, providing devices with improved efficiency, stability, and manufacturing. In particular, the compounds provided herein may be used in blue devices having high efficiency.Type: ApplicationFiled: November 29, 2017Publication date: March 29, 2018Applicant: Universal Display CorporationInventors: Jason BROOKS, Geza Szigethy, Glenn Morello, Jun Deng, Peter I. Djurovich, Hsiao-Fan Chen
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Publication number: 20180033977Abstract: A compound having a structure according to formula (I) is disclosed. In formula (I), Cu is a monovalent copper atom; *C is a carbene carbon; X1 and X2 are selected from alkyl, cycloalkyl, alkoxy, amino, alkenyl, cycloalkenyl, heteroalkenyl, alkynyl, heteroalkynyl, arylalkyl, aryloxy, aryl, heteroalkyl, heteroaryl, and combinations thereof; X1 is bonded to *C by a C atom, and X2 is bonded to *C by an N atom; X1 and X2 are optionally joined to form a ring; and Y is selected halide, alkyl, cycloalkyl, alkoxy, amino, phosphine, alkenyl, cycloalkenyl, heteroalkenyl, alkynyl, heteroalkynyl, arylalkyl, aryloxy, aryl, heteroalkyl, heteroaryl, and combinations thereof. A formulation containing compound having a structure according to formula (I), and a device with an organic layer comprising disposed between an anode and a cathode, that includes a compound having a structure according to formula (I) are also described.Type: ApplicationFiled: September 29, 2017Publication date: February 1, 2018Applicant: University of Southern CaliforniaInventors: Mark E. Thompson, Peter I. Djurovich, Valentina Krylova
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Patent number: 9853229Abstract: A compound having a structure according to formula (I) is disclosed. In formula (I), Cu is a monovalent copper atom; *C is a carbene carbon; X1 and X2 are selected from alkyl, cycloalkyl, alkoxy, amino, alkenyl, cycloalkenyl, heteroalkenyl, alkynyl, heteroalkynyl, arylalkyl, aryloxy, aryl, heteroalkyl, heteroaryl, and combinations thereof; X1 and X2 are independently bonded to *C by an atom selected from C, N, O, S, and P; X1 and X2 are optionally joined to form a ring; and Y is selected halide, alkyl, cycloalkyl, alkoxy, amino, phosphine, alkenyl, cycloalkenyl, heteroalkenyl, alkynyl, heteroalkynyl, arylalkyl, aryloxy, aryl, heteroalkyl, heteroaryl, and combinations thereof. A formulation containing compound having a structure according to formula (I), and a device with an organic layer comprising disposed between an anode and a cathode, that includes a compound having a structure according to formula (I) are also described.Type: GrantFiled: September 5, 2014Date of Patent: December 26, 2017Assignee: UNIVERSITY OF SOUTHERN CALIFORNIAInventors: Mark E. Thompson, Peter I. Djurovich, Valentina Krylova
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Patent number: 9847497Abstract: A compound having a structure of Formula M(LA)x(LB)y(LC)z, where ligand LA is ligand LB is and ligand LC is is disclosed. In Formula M(LA)x(LB)y(LC)z, M is a metal having an atomic number greater than 40; x is 1, 2, or 3; y and z are 0, 1, or 2; x+y+z is the oxidation state of metal M; Z1-Z6 are each C or N; ZD is N or a carbene carbon; rings C and D are independently a 5 or 6-membered carbocyclic or heterocyclic ring; R4 is substituted, while each of R1, R2, R3, RC, RD, R11, R12, and R13 are selected from hydrogen and a variety of moieties; and any adjacent substituents of R1, R2, R3, R4, RC, RD, R11, R12, and R13 are optionally joined to form a ring. Formulations and devices, such as an OLEDs, that include the compound of formula M(LA)x(LB)y(LC)z are also described.Type: GrantFiled: February 6, 2015Date of Patent: December 19, 2017Assignees: UNIVERSAL DISPLAY CORPORATION, UNIVERSITY OF SOUTHERN CALIFORNIAInventors: Geza Szigethy, Jason Brooks, Mark E. Thompson, Patrick Saris, Peter I. Djurovich
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Publication number: 20170162802Abstract: An organic light emitting device (OLED) is provided. The OLED has an anode, a cathode, and an emission layer, disposed between the anode and the cathode, including a first emitting compound; wherein the first emitting compound is capable of functioning as a blue phosphorescent emitter in the OLED at room temperature; wherein the first emitting compound has PLQY of less than 90% at room temperature; wherein the OLED has an external quantum efficiency of between 8% and 20% at 1 mA/cm2.Type: ApplicationFiled: January 5, 2017Publication date: June 8, 2017Applicant: Universal Display CorporationInventors: Michael S. WEAVER, Nicholas J. THOMPSON, Jason BROOKS, Geza SZIGETHY, Glenn MORELLO, Jun DENG, Peter I. DJUROVICH, Hsiao-Fan CHEN
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Publication number: 20170040554Abstract: Imidazophenanthridine ligands and metal complexes are provided. The compounds exhibit improved stability through a linking substitution that links a nitrogen bonded carbon of an imidizole ring to a carbon on the adjacent fused aryl ring. The compounds may be used in organic light emitting devices, particularly as emissive dopants, providing devices with improved efficiency, stability, and manufacturing. In particular, the compounds provided herein may be used in blue devices having high efficiency.Type: ApplicationFiled: October 12, 2016Publication date: February 9, 2017Applicant: UNIVERSAL DISPLAY CORPORATIONInventors: Jason Brooks, Geza Szigethy, Glenn Morello, Jun Deng, Peter I. Djurovich
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Publication number: 20160359123Abstract: Organic light emitting devices incorporating a film of metal complex emitters that are oriented with their transition dipole moment vectors oriented parallel to the device substrate enhances the outcoupling and eliminate the need for micro-lens arrays, gratings, or other physical extraneous outcoupling methods.Type: ApplicationFiled: June 6, 2016Publication date: December 8, 2016Applicant: University of Southern CaliforniaInventors: Mark E. THOMPSON, Matthew J. JUROW, Peter I. DJUROVICH, Tobias D. SCHMIDT
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Patent number: 9447107Abstract: The present disclosure relates to multichromophoric assemblies comprising metalloporphyrin scaffolds. The present disclosure also relates, in part, to methods for generating electric-field-stabilized geminate polaron pairs comprising applying electric fields to the multichromophoric assemblies described herein, or alternatively, directly to the metalloporphyrins provided by the present disclosure. The present disclosure further relates, in part, to multichromophoric assemblies comprising metalloporphyrin scaffolds, which exhibit enhanced energy transfer properties.Type: GrantFiled: September 9, 2011Date of Patent: September 20, 2016Assignee: University of Southern CaliforniaInventors: Mark E. Thompson, Matthew T. Whited, Peter I. Djurovich
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Publication number: 20160232265Abstract: Compound libraries, systems, methods, and apparatus, including computer program apparatus, are described for implementing techniques for processing data from a combinatorial inquiry to determine materials of use in various photoelectronic devices, e.g., organic light emitting diodes. The libraries include a collection of putative compounds of use as components of OLED devices, which are cross-referenced with one or more electronic property relevant to the efficacy of the compounds in an OLED device. The techniques broadly include receiving data from a chemical experiment on a library of materials having a plurality of members and generating a queriable representation of the chemical experiment. The chemical experiment is optionally an in silico experiment.Type: ApplicationFiled: October 29, 2014Publication date: August 11, 2016Applicant: University of Southern CaliforniaInventors: Mark E. THOMPSON, Patrick SARIS, Peter I. DJUROVICH, Hsiao-Fan CHEN