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公开(公告)号：US20130105777A1
公开(公告)日：2013-05-02
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.
Abstract translation: 本发明提供了一种发光器件，包括：第一电极; 第二电极; 设置在第一电极和第二电极之间的发光层，其中发光层包括具有第一三重态能级（T1）的发射材料; 以及设置在所述发光层和所述第二电极之间的激子淬火层，其中所述激子淬火层包括具有第二三线态能级（T1）的不发射淬火材料。 其中所述激子淬火层邻近所述发光层设置; 其中所述发光材料通过磷光或延迟荧光发射; 并且其中所述第一三重态能级（T1）高于所述第二三线态能级（T1）。 还提供了制备其的方法。
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公开(公告)号：US12239013B2
公开(公告)日：2025-02-25
申请号：US18364552
申请日：2023-08-03
Applicant: Universal Display Corporation
Inventor： Eric A. Margulies , Zhiqiang Ji , Nicholas J. Thompson , Geza Szigethy , Michael S. Weaver , Jerald Feldman
IPC: H10K85/30 , H10K50/11 , H10K50/125 , H10K50/13 , H10K50/17 , H10K50/18 , H10K50/81 , H10K50/82 , H10K50/15 , H10K50/16 , H10K101/10 , H10K101/30
Abstract: Provided is an OLED structure includes an organic layer having a primary phosphorescent emitter and a first host; where one of the following conditions is true: (1) the organic layer further includes a secondary emitter; or (2) the OLED further includes a second organic layer where the second organic layer includes a secondary emitter. The primary phosphorescent emitter has a peak emission wavelength λmax that is ≥600 nm and ≤750 nm; the secondary emitter has a peak emission wavelength λmax that is ≥750 nm; the primary phosphorescent emitter is capable of transferring energy to the secondary emitter; the first host has a lowest excited state triplet energy T1 that is at least 0.1 eV higher than that of the primary phosphorescent emitter; the primary phosphorescent emitter has the formula Pt(L1)m; L1 can represent one or more ligands that are the same or different; each L1 is independently monodentate or multidentate; and m represents a maximum possible number of ligands L1 that can coordinate to Pt.
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公开(公告)号：US11910702B2
公开(公告)日：2024-02-20
申请号：US16158406
申请日：2018-10-12
Applicant: UNIVERSAL DISPLAY CORPORATION
Inventor： Eric A. Margulies , Zhiqiang Ji , Nicholas J. Thompson , Geza Szigethy , Michael S. Weaver , Jerald Feldman
IPC: H01L51/00 , H10K85/30 , H10K50/11 , H10K50/18 , H10K50/81 , H10K50/82 , H10K50/125 , H10K50/13 , H10K50/17 , H10K101/10 , H10K50/15 , H10K50/16 , H10K101/30
CPC classification number: H10K85/351 , H10K50/11 , H10K50/125 , H10K50/131 , H10K50/171 , H10K50/18 , H10K50/81 , H10K50/82 , H10K85/342 , H10K85/346 , H10K85/348 , H10K85/371 , H10K50/15 , H10K50/16 , H10K2101/10 , H10K2101/30
Abstract: An OLED structure including a first organic layer disposed between the anode and the cathode is disclosed. The first organic layer includes a primary phosphorescent emitter and a first host, and where one of the following conditions is true: (1) the first organic layer further includes a secondary emitter; or (2) the OLED further includes a second organic layer disposed between the anode and the cathode, wherein the second organic layer includes a secondary emitter. The phosphorescent emitter has a peak emission wavelength λmax that is ≥600 nm and ≤750 nm, the secondary emitter has a peak emission wavelength λmax that is ≥750 nm, and the first host has a lowest excited state triplet energy T1 that is at least 0.1 eV higher than that of the primary phosphorescent emitter.
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公开(公告)号：US11626563B2
公开(公告)日：2023-04-11
申请号：US16814529
申请日：2020-03-10
Applicant: UNIVERSAL DISPLAY CORPORATION
Inventor： Bin Ma , Vadim Adamovich , Edward Barron , Jui-Yi Tsai , Mingjuan Su , Lech Michalski , Chuanjun Xia , Michael S. Weaver , Walter Yeager , Bert Alleyne
Abstract: A compound having a formula (LA)mIr(LB)3−m having a structure selected from is disclosed. In the structures of formula (LA)mIr(LB)3-m, m is 1 or 2, R1, R2, R3, R4, and R5 are each independently selected from hydrogen, deuterium, C1 to C6 alkyl, C1 to C6 cycloalkyl, and partially or fully deuterated variants thereof, and partially or fully fluorinated variants thereof, and, R6 is selected from C1 to C6 alkyl, C1 to C6 cycloalkyl, and partially or fully deuterated variants thereof, and partially or fully fluorinated variants thereof.
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公开(公告)号：US11094891B2
公开(公告)日：2021-08-17
申请号：US15447588
申请日：2017-03-02
Applicant: Universal Display Corporation
Inventor： Lichang Zeng , Vadim Adamovich , Chuanjun Xia , Michael S. Weaver
Abstract: A dual host system for OLEDs that contains hole-transporting indolocarbazole and electron-transporting indolocarbazole exhibiting superior performance in the OLEDs is disclosed.
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Patent Agency Ranking
公开(公告)号：US10745431B2
公开(公告)日：2020-08-18
申请号：US15805526
申请日：2017-11-07
Applicant: Universal Display Corporation
Inventor： Lichang Zeng , Michael S. Weaver , Eric A. Margulies , Zhiqiang Ji
Abstract: Metal complexes useful as emitters in OLEDs are disclosed. Such compound includes a first ligand LA having the formula,
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公开(公告)号：US20200220088A1
公开(公告)日：2020-07-09
申请号：US16814529
申请日：2020-03-10
Applicant: UNIVERSAL DISPLAY CORPORATION
Inventor： BIN Ma , Vadim Adamovich , Edward Barron , Jui-Yi Tsai , Mingjuan Su , Lech Michalski , Chuanjun Xia , Michael S. Weaver , Walter Yeager , Bert Alleyne
Abstract: A compound having a formula (LA)mIr(LB)3-m having a structure selected from is disclosed. In the structures of formula (LA)mIr(LB)3-m, m is 1 or 2, R1, R2, R3, R4, and R5 are each independently selected from hydrogen, deuterium, C1 to C6 alkyl, C1 to C6 cycloalkyl, and partially or fully deuterated variants thereof, and partially or fully fluorinated variants thereof, and, R6 is selected from C1 to C6 alkyl, C1 to C6 cycloalkyl, and partially or fully deuterated variants thereof, and partially or fully fluorinated variants thereof.
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公开(公告)号：US10672996B2
公开(公告)日：2020-06-02
申请号：US15239961
申请日：2016-08-18
Applicant: Universal Display Corporation
Inventor： Bin Ma , Vadim Adamovich , Edward Barron , Jui-Yi Tsai , Mingjuan Su , Lech Michalski , Chuanjun Xia , Michael S. Weaver , Walter Yeager , Bert Alleyne
Abstract: The present invention relates to organometallic complexes for use as emitters where a molecule of the compound has an orientation factor greater than 0.67, and devices, such as organic light emitting diodes, including the same.
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公开(公告)号：US10403830B2
公开(公告)日：2019-09-03
申请号：US15399724
申请日：2017-01-05
Applicant: Universal Display Corporation
Inventor： Michael S. Weaver , Nicholas J. Thompson , Jason Brooks , Geza Szigethy , Glenn Morello , Jun Deng , Peter I. Djurovich , Hsiao-Fan Chen
IPC: H01L51/54 , C09K11/06 , H01L51/00 , C07F15/00 , C07D471/16 , C07D498/16 , C07D513/16 , C09K11/02 , H01L51/50
Abstract: 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.
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公开(公告)号：US10074806B2
公开(公告)日：2018-09-11
申请号：US14253505
申请日：2014-04-15
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 , H01L51/50 , H01L51/56 , C07D403/10 , C07D471/04 , C07D215/06 , C07D401/04 , C07D403/14 , C07D487/04 , C07D491/048 , C07D495/04 , C07D213/06 , C07D213/22 , C07D213/26
CPC classification number: H01L51/0054 , C07D213/06 , C07D213/22 , C07D213/26 , C07D215/06 , C07D401/04 , C07D403/04 , C07D403/10 , C07D403/14 , C07D471/04 , C07D487/04 , C07D491/048 , C07D495/04 , C07F15/0033 , H01L51/0052 , H01L51/0067 , H01L51/0071 , H01L51/0072 , H01L51/0085 , H01L51/5012 , H01L51/5016 , 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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