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公开(公告)号：US20150001472A1
公开(公告)日：2015-01-01
申请号：US13932508
申请日：2013-07-01
Applicant: UNIVERSAL DISPLAY CORPORATION
Inventor： Pierre-Luc T. Boudreault , Alexey Dyatkin , David Zenan Li , Scott Joseph , Chuanjun Xia , Hitoshi Yamamoto , Michael S. Weaver , Bert Alleyne , James Fiordeliso
CPC classification number: H01L51/0085 , C07F15/0033 , C09K11/06 , C09K2211/1007 , C09K2211/1029 , C09K2211/185 , H01L51/5016 , Y02E10/549
Abstract: A compound having an ancillary ligand L1 having the formula: Formula I is disclosed. The ligand L1 is coordinated to a metal M having an atomic number greater than 40, and two adjacent substituents are optionally joined to form into a ring. Such compound is suitable for use as emitters in organic light emitting devices.
Abstract translation: 公开了具有式I的辅助配体L1的化合物。 配体L1与原子序数大于40的金属M配位，并且两个相邻的取代基任选地连接形成环。 这种化合物适用于有机发光装置中的发射体。
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公开(公告)号：US12262630B2
公开(公告)日：2025-03-25
申请号：US17210087
申请日：2021-03-23
Applicant: UNIVERSAL DISPLAY CORPORATION
Inventor： Pierre-Luc T. Boudreault , Alexey Dyatkin , David Zenan Li , Scott Joseph , Chuanjun Xia , Hitoshi Yamamoto , Michael S. Weaver , Bert Alleyne , James Fiordeliso
IPC: H10K85/30 , C07F15/00 , C09K11/06 , H10K50/11 , H10K50/15 , H10K50/16 , H10K50/17 , H10K50/18 , H10K50/81 , H10K50/82 , H10K101/10
Abstract: A compound having an ancillary ligand L1 having the formula: Formula I is disclosed. The ligand L1 is coordinated to a metal M having an atomic number greater than 40, and two adjacent substituents are optionally joined to form into a ring. Such compound is suitable for use as emitters in organic light emitting devices.
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公开(公告)号：US11611042B2
公开(公告)日：2023-03-21
申请号：US16919659
申请日：2020-07-02
Applicant: Universal Display Corporation
Inventor： Vadim Adamovich , Hitoshi Yamamoto , Ting-Chih Wang , Michael S. Weaver , Chuanjun Xia , Bert Alleyne , Pierre-Luc T. Boudreault , Alexey Borisovich Dyatkin , Scott Joseph
IPC: H01L51/00 , C07F15/00 , C07D403/04 , C07D403/10 , C07D471/04 , H01L51/50 , C07D215/06 , C07D401/04 , C07D403/14 , C07D487/04 , C07D491/048 , C07D495/04 , C07D213/06 , C07D213/22 , C07D213/26 , H01L51/56
Abstract: A composition formed of a mixture of two compounds having similar thermal evaporation properties that are pre-mixed into an evaporation source that can be used to co-evaporate the two compounds into an emission layer in OLEDs via vacuum thermal evaporation process is disclosed.
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公开(公告)号：US10109815B2
公开(公告)日：2018-10-23
申请号：US15499055
申请日：2017-04-27
Applicant: UNIVERSAL DISPLAY CORPORATION
Inventor： Vadim Adamovich , Hitoshi Yamamoto , Michael S. Weaver , Julia J. Brown
Abstract: The invention provides a light emitting device, comprising: a first electrode; a second electrode; a light emitting layer disposed between the first electrode and the second electrode, wherein the light emitting layer comprises an emitting material having a first triplet energy level (T1); and an exciton quenching layer disposed between the light emitting layer and the second electrode, wherein the exciton quenching layer comprises a non-emitting quenching material having a second triplet energy level (T1); wherein the exciton quenching layer is disposed adjacent to the light emitting layer; wherein the emitting material emits by phosphorescence or delayed fluorescence; and wherein the first triplet energy level (T1) is higher than the second triplet energy level (T1). Methods of making the same are also provided.
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公开(公告)号：US10003033B2
公开(公告)日：2018-06-19
申请号：US14183100
申请日：2014-02-18
Applicant: Universal Display Corporation
CPC classification number: H01L51/0085 , C07F15/0033 , C09K11/06 , C09K2211/1029 , C09K2211/1044 , C09K2211/185 , H01L51/5016 , H01L51/5056 , H01L51/5072 , H01L51/5088
Abstract: Compounds having the formula M(LA)x(LB)y(LC)z, devices containing the same, and formulations containing the same are described. The compounds include: where M is a metal having an atomic number greater than 40; x is 1, or 2; y is 1, or 2; and z is 0, 1, or 2; where x+y+z is the oxidation state of the metal M, where X1, X2, X3, and X4 are C or N; where at least one of R1, R2, R3, and R4 has at least two C atoms; where RB represents di, tri, or tetra-substitution, and where two adjacent RB form a six-member carbocyclic or heterocyclic ring E fused to ring B; where, when ring E is heterocyclic, the only heteroatom is nitrogen; where ring E can be further substituted; and where (a) at least one of X1, X2, X3, and X4 is N, (b) ring E is heterocylic, or (c) both.
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Patent Agency Ranking
公开(公告)号：US09831437B2
公开(公告)日：2017-11-28
申请号：US14253471
申请日：2014-04-15
Applicant: Universal Display Corporation
Inventor： Lichang Zeng , Vadim Adamovich , Ting-Chih Wang , Chuanjun Xia , Michael S. Weaver , Hitoshi Yamamoto , Bert Alleyne
CPC classification number: H01L51/0054 , H01L51/0067 , H01L51/0072 , H01L51/5016 , H01L51/5056 , H01L51/5072 , H01L51/5096 , H01L2251/5384
Abstract: A composition formed of a first mixture of a first compound and a second compound wherein the first compound has different chemical structure than the second compound; the first compound is capable of functioning as a hole transporting material in an organic light emitting device at room temperature; the first compound comprises at least one carbazole group; the first compound has a evaporation temperature T1 of 150 to 350° C.; the second compound has evaporation temperature T2 of 150 to 350° C.; the absolute value of T1−T2 is less than 20° C.; the first compound having a concentration C1 in said first mixture, and the first compound having a concentration C2 in a film formed by evaporating the first mixture in a vacuum deposition tool at a constant pressure between 1×10−6 Torr to 1×10−9 Torr, at a 2 Å/sec deposition rate on a surface positioned at a predefined distance away from the mixture being evaporated; and wherein the absolute value of (C1−C2)/C1 is less than 5%.
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公开(公告)号：US09786858B2
公开(公告)日：2017-10-10
申请号：US13665538
申请日：2012-10-31
Applicant: Universal Display Corporation
Inventor： Vadim Adamovich , Hitoshi Yamamoto , Michael S. Weaver , Julia J. Brown
CPC classification number: H01L51/5028 , C09K11/025 , C09K11/06 , C09K2211/1007 , C09K2211/1029 , C09K2211/185 , H01L51/0052 , H01L51/0054 , H01L51/0058 , H01L51/006 , H01L51/0069 , H01L51/0072 , H01L51/0074 , H01L51/0081 , H01L51/0085 , H01L51/5004 , H01L51/5012 , H01L51/5016 , H01L51/5096 , H01L51/5206 , H01L51/5221 , H01L51/56 , H01L2251/5353 , H01L2251/5384 , H01L2251/552
Abstract: The invention provides a light emitting device, comprising: a first electrode; a second electrode; a light emitting layer disposed between the first electrode and the second electrode, wherein the light emitting layer comprises an emitting material having a first triplet energy level (T1); and an exciton quenching layer disposed between the light emitting layer and the second electrode, wherein the exciton quenching layer comprises a non-emitting quenching material having a second triplet energy level (T1); wherein the exciton quenching layer is disposed adjacent to the light emitting layer; wherein the emitting material emits by phosphorescence or delayed fluorescence; and wherein the first triplet energy level (T1) is higher than the second triplet energy level (T1). Methods of making the same are also provided.
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公开(公告)号：US20170229671A1
公开(公告)日：2017-08-10
申请号：US15499055
申请日：2017-04-27
Applicant: UNIVERSAL DISPLAY CORPORATION
Inventor： Vadim Adamovich , Hitoshi Yamamoto , Michael S. Weaver , Julia J. Brown
CPC classification number: H01L51/5028 , C09K11/025 , C09K11/06 , C09K2211/1007 , C09K2211/1029 , C09K2211/185 , H01L51/0052 , H01L51/0054 , H01L51/0058 , H01L51/006 , H01L51/0069 , H01L51/0072 , H01L51/0074 , H01L51/0081 , H01L51/0085 , H01L51/5004 , H01L51/5012 , H01L51/5016 , H01L51/5096 , H01L51/5206 , H01L51/5221 , H01L51/56 , H01L2251/5353 , H01L2251/5384 , H01L2251/552
Abstract: The invention provides a light emitting device, comprising: a first electrode; a second electrode; a light emitting layer disposed between the first electrode and the second electrode, wherein the light emitting layer comprises an emitting material having a first triplet energy level (T1); and an exciton quenching layer disposed between the light emitting layer and the second electrode, wherein the exciton quenching layer comprises a non-emitting quenching material having a second triplet energy level (T1); wherein the exciton quenching layer is disposed adjacent to the light emitting layer; wherein the emitting material emits by phosphorescence or delayed fluorescence; and wherein the first triplet energy level (T1) is higher than the second triplet energy level (T1). Methods of making the same are also provided.
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公开(公告)号：US09450198B2
公开(公告)日：2016-09-20
申请号：US14253804
申请日：2014-04-15
Applicant: Universal Display Corporation
Inventor： Hitoshi Yamamoto , Michael S. Weaver
CPC classification number: H01L51/5036 , H01L51/5016 , H01L51/5024
Abstract: An OLED includes a suppression mechanism and multiple dopants in its organic emissive layer. The organic emissive layer includes a host, a first compound capable of phosphorescent emission at room temperature, and a second compound capable of phosphorescent emission at room temperature. The suppression mechanism is capable of preferentially reducing the emission of light emitted by the second compound. The organic emissive layer may also contain a third compound capable of phosphorescent emission at room temperature.
Abstract translation: OLED在其有机发光层中包括抑制机理和多种掺杂剂。 有机发光层包括主体，在室温下能够磷光发射的第一化合物和在室温下能够磷光发射的第二化合物。 抑制机制能够优先地减少由第二化合物发射的光的发射。 有机发光层还可以含有在室温下能够发磷光的第三化合物。
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公开(公告)号：US11427607B2
公开(公告)日：2022-08-30
申请号：US16563831
申请日：2019-09-07
Applicant: Universal Display Corporation
Inventor： Pierre-Luc T. Boudreault , Vadim Adamovich , Hitoshi Yamamoto , Harvey Wendt , Chuanjun Xia
Abstract: A compound that has the structure according to Formula M(LA)x(LB)y(LC)z is disclosed. In Formula M(LA)x(LB)y(LC)z, ligand LA is ligand LB is and ligand LC is and OLEDs and formulations containing these compounds are disclosed. In Formula M(LA)x(LB)y(LC)z: M is a metal; x is 1 or 2; X1-X4 and A1-A8 are C or N; at least one of A1-A8 is N; X is O, S, or Se; two adjacent RB form a six-member aromatic ring E fused to ring B; and each RA-RE and R1-R4 is independently hydrogen or a substituent.
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