JP2019216261A - リン光ドーパントプロファイル操作によるoled動作寿命の延長 - Google Patents
リン光ドーパントプロファイル操作によるoled動作寿命の延長 Download PDFInfo
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- 239000002019 doping agent Substances 0.000 title claims abstract description 189
- 150000001875 compounds Chemical class 0.000 claims abstract description 137
- 238000004770 highest occupied molecular orbital Methods 0.000 claims description 32
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- UEEXRMUCXBPYOV-UHFFFAOYSA-N iridium;2-phenylpyridine Chemical compound [Ir].C1=CC=CC=C1C1=CC=CC=N1.C1=CC=CC=C1C1=CC=CC=N1.C1=CC=CC=C1C1=CC=CC=N1 UEEXRMUCXBPYOV-UHFFFAOYSA-N 0.000 description 20
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- YFCSASDLEBELEU-UHFFFAOYSA-N 3,4,5,6,9,10-hexazatetracyclo[12.4.0.02,7.08,13]octadeca-1(18),2(7),3,5,8(13),9,11,14,16-nonaene-11,12,15,16,17,18-hexacarbonitrile Chemical compound N#CC1=C(C#N)C(C#N)=C2C3=C(C#N)C(C#N)=NN=C3C3=NN=NN=C3C2=C1C#N YFCSASDLEBELEU-UHFFFAOYSA-N 0.000 description 11
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- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 3
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- 229910052747 lanthanoid Inorganic materials 0.000 description 3
- 150000002602 lanthanoids Chemical class 0.000 description 3
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- POILWHVDKZOXJZ-ARJAWSKDSA-M (z)-4-oxopent-2-en-2-olate Chemical compound C\C([O-])=C\C(C)=O POILWHVDKZOXJZ-ARJAWSKDSA-M 0.000 description 2
- UHBIKXOBLZWFKM-UHFFFAOYSA-N 8-hydroxy-2-quinolinecarboxylic acid Chemical compound C1=CC=C(O)C2=NC(C(=O)O)=CC=C21 UHBIKXOBLZWFKM-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
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- JAONJTDQXUSBGG-UHFFFAOYSA-N dialuminum;dizinc;oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Al+3].[Al+3].[Zn+2].[Zn+2] JAONJTDQXUSBGG-UHFFFAOYSA-N 0.000 description 2
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- LLWADFLAOKUBDR-UHFFFAOYSA-N 2-methyl-4-chlorophenoxybutyric acid Chemical compound CC1=CC(Cl)=CC=C1OCCCC(O)=O LLWADFLAOKUBDR-UHFFFAOYSA-N 0.000 description 1
- QXHJUORHKILSHG-UHFFFAOYSA-N 3-methyl-9-[3-[3-(3-methylcarbazol-9-yl)phenyl]phenyl]carbazole Chemical group C12=CC=CC=C2C2=CC(C)=CC=C2N1C1=CC=CC(C=2C=C(C=CC=2)N2C3=CC=C(C)C=C3C3=CC=CC=C32)=C1 QXHJUORHKILSHG-UHFFFAOYSA-N 0.000 description 1
- -1 4,6-difluorophenyl Chemical group 0.000 description 1
- DHDHJYNTEFLIHY-UHFFFAOYSA-N 4,7-diphenyl-1,10-phenanthroline Chemical compound C1=CC=CC=C1C1=CC=NC2=C1C=CC1=C(C=3C=CC=CC=3)C=CN=C21 DHDHJYNTEFLIHY-UHFFFAOYSA-N 0.000 description 1
- ROFVEXUMMXZLPA-UHFFFAOYSA-N Bipyridyl Chemical compound N1=CC=CC=C1C1=CC=CC=N1 ROFVEXUMMXZLPA-UHFFFAOYSA-N 0.000 description 1
- 101000742062 Bos taurus Protein phosphatase 1G Proteins 0.000 description 1
- 229910052693 Europium Inorganic materials 0.000 description 1
- 239000005575 MCPB Substances 0.000 description 1
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- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 239000007983 Tris buffer Substances 0.000 description 1
- GITIBXUXCILFCA-UHFFFAOYSA-N [Ir+3].CC1=C(C(=CC=C1)C)C1=CN=C2N1C=1C=CC(=CC1C=1C=CC=CC21)C Chemical compound [Ir+3].CC1=C(C(=CC=C1)C)C1=CN=C2N1C=1C=CC(=CC1C=1C=CC=CC21)C GITIBXUXCILFCA-UHFFFAOYSA-N 0.000 description 1
- 230000004931 aggregating effect Effects 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 229910052792 caesium Inorganic materials 0.000 description 1
- TVFDJXOCXUVLDH-UHFFFAOYSA-N caesium atom Chemical compound [Cs] TVFDJXOCXUVLDH-UHFFFAOYSA-N 0.000 description 1
- 239000010406 cathode material Substances 0.000 description 1
- 239000002800 charge carrier Substances 0.000 description 1
- 238000002144 chemical decomposition reaction Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000004836 empirical method Methods 0.000 description 1
- OGPBJKLSAFTDLK-UHFFFAOYSA-N europium atom Chemical compound [Eu] OGPBJKLSAFTDLK-UHFFFAOYSA-N 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
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- 238000005259 measurement Methods 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- IBHBKWKFFTZAHE-UHFFFAOYSA-N n-[4-[4-(n-naphthalen-1-ylanilino)phenyl]phenyl]-n-phenylnaphthalen-1-amine Chemical group C1=CC=CC=C1N(C=1C2=CC=CC=C2C=CC=1)C1=CC=C(C=2C=CC(=CC=2)N(C=2C=CC=CC=2)C=2C3=CC=CC=C3C=CC=2)C=C1 IBHBKWKFFTZAHE-UHFFFAOYSA-N 0.000 description 1
- 238000013086 organic photovoltaic Methods 0.000 description 1
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- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
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- SIOXPEMLGUPBBT-UHFFFAOYSA-M picolinate Chemical compound [O-]C(=O)C1=CC=CC=N1 SIOXPEMLGUPBBT-UHFFFAOYSA-M 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
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- 238000011160 research Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 241000894007 species Species 0.000 description 1
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- 238000012360 testing method Methods 0.000 description 1
- 238000002207 thermal evaporation Methods 0.000 description 1
- TVIVIEFSHFOWTE-UHFFFAOYSA-K tri(quinolin-8-yloxy)alumane Chemical compound [Al+3].C1=CN=C2C([O-])=CC=CC2=C1.C1=CN=C2C([O-])=CC=CC2=C1.C1=CN=C2C([O-])=CC=CC2=C1 TVIVIEFSHFOWTE-UHFFFAOYSA-K 0.000 description 1
- 238000004402 ultra-violet photoelectron spectroscopy Methods 0.000 description 1
- YVTHLONGBIQYBO-UHFFFAOYSA-N zinc indium(3+) oxygen(2-) Chemical compound [O--].[Zn++].[In+3] YVTHLONGBIQYBO-UHFFFAOYSA-N 0.000 description 1
Classifications
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/10—OLEDs or polymer light-emitting diodes [PLED]
- H10K50/11—OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers
- H10K50/12—OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers comprising dopants
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K85/00—Organic materials used in the body or electrodes of devices covered by this subclass
- H10K85/60—Organic compounds having low molecular weight
- H10K85/649—Aromatic compounds comprising a hetero atom
- H10K85/657—Polycyclic condensed heteroaromatic hydrocarbons
- H10K85/6572—Polycyclic condensed heteroaromatic hydrocarbons comprising only nitrogen in the heteroaromatic polycondensed ring system, e.g. phenanthroline or carbazole
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/10—OLEDs or polymer light-emitting diodes [PLED]
- H10K50/11—OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/10—OLEDs or polymer light-emitting diodes [PLED]
- H10K50/14—Carrier transporting layers
- H10K50/16—Electron transporting layers
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/10—OLEDs or polymer light-emitting diodes [PLED]
- H10K50/17—Carrier injection layers
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K85/00—Organic materials used in the body or electrodes of devices covered by this subclass
- H10K85/30—Coordination compounds
- H10K85/341—Transition metal complexes, e.g. Ru(II)polypyridine complexes
- H10K85/342—Transition metal complexes, e.g. Ru(II)polypyridine complexes comprising iridium
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K2101/00—Properties of the organic materials covered by group H10K85/00
- H10K2101/10—Triplet emission
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K2101/00—Properties of the organic materials covered by group H10K85/00
- H10K2101/40—Interrelation of parameters between multiple constituent active layers or sublayers, e.g. HOMO values in adjacent layers
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K2101/00—Properties of the organic materials covered by group H10K85/00
- H10K2101/80—Composition varying spatially, e.g. having a spatial gradient
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K2101/00—Properties of the organic materials covered by group H10K85/00
- H10K2101/90—Multiple hosts in the emissive layer
Abstract
Description
本願は、現在係属中の米国仮出願第61/916,914号(2013年12月17日出願)、米国仮出願第61/929,354号(2014年1月20日出願)、米国仮出願第61/974,789号(2014年4月3日出願)、及び米国仮出願第62/040,019号(2014年8月21日出願)に対する優先権及び効果を主張する。これらは全て、参照することにより全文が本明細書に援用される。
本発明は、エネルギー省によって授与された契約番号DE−SC0001013−sub−K113153の下に米国政府の支援によって成された。政府は、本発明において一定の権利を有し得る。
を用いて局所励起子密度N(x)から計算される。L0=1,000cd/m2における電流密度は、表1に示す通りであり、3,000cd/m2における電流密度は、それぞれ、D8、D9、D10、及びD11についてJ=21mA/cm2、21mA/cm2、17.5mA/cm2、及び9.1mA/cm2である。トラップ形成は、
次いで、
Claims (14)
- アノードと、
カソードと、
前記アノードと前記カソードとの間に配置されている第1の発光層とを有し、
前記第1の発光層が、電子輸送化合物及びリン光発光ドーパント化合物を含み、
前記リン光発光ドーパント化合物が、前記第1の発光層において濃度勾配を有し、前記濃度勾配が、増加―減少勾配、増加段階的勾配、及び不均一階段的勾配のいずれかに従って変化することを特徴とする有機発光デバイス。 - 前記濃度勾配が前記増加段階的勾配又は前記不均一階段的勾配に従って段階的に変化し、前記リン光発光ドーパント化合物が、複数の高濃度ドーパント領域及び複数の低濃度ドーパント領域として前記第1の発光層中に分散している請求項1に記載の有機発光デバイス。
- 前記濃度勾配が前記増加段階的勾配又は前記不均一階段的勾配に従って段階的に変化し、前記リン光発光ドーパント化合物が、複数の第1のドーパント領域及び複数の第2のドーパント領域として前記第1の発光層中に分散しており、前記第1のドーパント領域が、前記第2のドーパント領域よりも広い請求項1に記載の有機発光デバイス。
- 前記第1の発光層が、第2の電子輸送化合物を更に含み、前記リン光発光ドーパント化合物が、前記第2の電子輸送化合物のHOMO準位よりも少なくとも0.5eV低いHOMOエネルギー準位を有する請求項1に記載の有機発光デバイス。
- 前記アノードと前記第1の発光層との間に配置されている正孔注入層を更に含む請求項1に記載の有機発光デバイス。
- 前記正孔注入層及び前記第1の発光層が、複合厚みを有し、前記第1の発光層が、前記複合厚みの少なくとも60%である厚みを有する請求項5に記載の有機発光デバイス。
- 前記第1の発光層が、10nm〜150nmの厚みを有する請求項6に記載の有機発光デバイス。
- 前記アノードと前記第1の発光層との間に正孔注入層が配置されていない請求項1に記載の有機発光デバイス。
- 前記第1の発光層における前記リン光発光ドーパント化合物の濃度が均一である等価なデバイスに比べて、励起子密度が前記第1の発光層にわたって均一に分布している請求項1に記載の有機発光デバイス。
- 前記濃度勾配が、前記増加段階的勾配に従って前記第1の発光層の前記カソード側から前記第1の発光層の前記アノード側に向かって減少する請求項1に記載の有機発光デバイス。
- 前記濃度勾配が、前記増加段階的勾配に従って前記第1の発光層の前記カソード側から前記第1の発光層の前記アノード側に向かって増加する請求項1に記載の有機発光デバイス。
- 前記カソードと前記第1の発光層との間に配置されている電子輸送層を更に含む請求項1に記載の有機発光デバイス。
- 前記第1の発光層における前記リン光発光ドーパント化合物の濃度が均一である等価なデバイスに比べて、外部量子効率が少なくとも10%高い請求項1に記載の有機発光デバイス。
- 1,000cd/m2の初期輝度値が80%まで低下するのにかかる時間が、前記第1の発光層における前記リン光発光ドーパント化合物の濃度が均一である等価なデバイスよりも少なくとも3.5倍長い請求項1に記載の有機発光デバイス。
Applications Claiming Priority (10)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201361916914P | 2013-12-17 | 2013-12-17 | |
US61/916,914 | 2013-12-17 | ||
US201461929354P | 2014-01-20 | 2014-01-20 | |
US61/929,354 | 2014-01-20 | ||
US201461974789P | 2014-04-03 | 2014-04-03 | |
US61/974,789 | 2014-04-03 | ||
US201462040019P | 2014-08-21 | 2014-08-21 | |
US62/040,019 | 2014-08-21 | ||
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Families Citing this family (44)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9882150B2 (en) | 2012-09-24 | 2018-01-30 | Arizona Board Of Regents For And On Behalf Of Arizona State University | Metal compounds, methods, and uses thereof |
JP6804823B2 (ja) | 2013-10-14 | 2020-12-23 | アリゾナ・ボード・オブ・リージェンツ・オン・ビハーフ・オブ・アリゾナ・ステイト・ユニバーシティーArizona Board of Regents on behalf of Arizona State University | 白金錯体およびデバイス |
US10020455B2 (en) | 2014-01-07 | 2018-07-10 | Arizona Board Of Regents On Behalf Of Arizona State University | Tetradentate platinum and palladium complex emitters containing phenyl-pyrazole and its analogues |
WO2015107719A1 (ja) * | 2014-01-14 | 2015-07-23 | シャープ株式会社 | 有機エレクトロルミネッセンス表示パネル |
US9397309B2 (en) * | 2014-03-13 | 2016-07-19 | Universal Display Corporation | Organic electroluminescent devices |
US9941479B2 (en) | 2014-06-02 | 2018-04-10 | Arizona Board Of Regents On Behalf Of Arizona State University | Tetradentate cyclometalated platinum complexes containing 9,10-dihydroacridine and its analogues |
US9923155B2 (en) | 2014-07-24 | 2018-03-20 | Arizona Board Of Regents On Behalf Of Arizona State University | Tetradentate platinum (II) complexes cyclometalated with functionalized phenyl carbene ligands and their analogues |
US9920242B2 (en) | 2014-08-22 | 2018-03-20 | Arizona Board Of Regents On Behalf Of Arizona State University | Metal-assisted delayed fluorescent materials as co-host materials for fluorescent OLEDs |
WO2016029137A1 (en) | 2014-08-22 | 2016-02-25 | Arizona Board Of Regents On Behalf Of Arizona State University | Organic light-emitting diodes with fluorescent and phosphorescent emitters |
US20160248030A1 (en) * | 2014-09-04 | 2016-08-25 | Boe Technology Group Co., Ltd. | Organic electroluminescent display deivce, a fabricating method thereof and a display device |
US10033003B2 (en) | 2014-11-10 | 2018-07-24 | Arizona Board Of Regents On Behalf Of Arizona State University | Tetradentate metal complexes with carbon group bridging ligands |
US9865825B2 (en) | 2014-11-10 | 2018-01-09 | Arizona Board Of Regents On Behalf Of Arizona State University | Emitters based on octahedral metal complexes |
CN105609527B (zh) * | 2014-11-13 | 2019-04-30 | 乐金显示有限公司 | 有机发光显示装置 |
US10115910B2 (en) * | 2015-04-03 | 2018-10-30 | Hannstar Display (Nanjing) Corporation | Organic electroluminescent material, organic electroluminescent device and quantum dot electroluminescent unit |
US9879039B2 (en) | 2015-06-03 | 2018-01-30 | Arizona Board Of Regents On Behalf Of Arizona State University | Tetradentate and octahedral metal complexes containing naphthyridinocarbazole and its analogues |
JP6769712B2 (ja) | 2015-07-01 | 2020-10-14 | 国立大学法人九州大学 | 有機エレクトロルミネッセンス素子 |
WO2017002893A1 (ja) * | 2015-07-01 | 2017-01-05 | 国立大学法人九州大学 | 有機エレクトロルミネッセンス素子 |
DE112016005489T5 (de) * | 2015-12-01 | 2018-08-23 | Semiconductor Energy Laboratory Co., Ltd. | Licht emittierendes Element, Licht emittierende Vorrichtung, elektronisches Gerät und Beleuchtungsvorrichtung |
US11335865B2 (en) | 2016-04-15 | 2022-05-17 | Arizona Board Of Regents On Behalf Of Arizona State University | OLED with multi-emissive material layer |
US10096658B2 (en) * | 2016-04-22 | 2018-10-09 | Semiconductor Energy Laboratory Co., Ltd. | Light-emitting element, display device, electronic device, and lighting device |
KR102488916B1 (ko) * | 2016-05-06 | 2023-01-18 | 가부시키가이샤 한도오따이 에네루기 켄큐쇼 | 발광 소자, 표시 장치, 전자 기기, 및 조명 장치 |
US10177323B2 (en) | 2016-08-22 | 2019-01-08 | Arizona Board Of Regents On Behalf Of Arizona State University | Tetradentate platinum (II) and palladium (II) complexes and octahedral iridium complexes employing azepine functional groups and their analogues |
KR20240014475A (ko) | 2016-10-12 | 2024-02-01 | 아리조나 보드 오브 리젠츠 온 비하프 오브 아리조나 스테이트 유니버시티 | 협대역 적색 인광성 4좌 백금(ii) 착물 |
US11183670B2 (en) * | 2016-12-16 | 2021-11-23 | Arizona Board Of Regents On Behalf Of Arizona State University | Organic light emitting diode with split emissive layer |
KR20190139835A (ko) | 2017-01-27 | 2019-12-18 | 아리조나 보드 오브 리젠츠 온 비하프 오브 아리조나 스테이트 유니버시티 | 피리도-피롤로-아크리딘 및 유사체를 사용하는 금속 보조 지연 형광 이미터 |
US10516117B2 (en) | 2017-05-19 | 2019-12-24 | Arizona Board Of Regents On Behalf Of Arizona State University | Metal-assisted delayed fluorescent emttters employing benzo-imidazo-phenanthridine and analogues |
US11101435B2 (en) | 2017-05-19 | 2021-08-24 | Arizona Board Of Regents On Behalf Of Arizona State University | Tetradentate platinum and palladium complexes based on biscarbazole and analogues |
DE102017111425A1 (de) * | 2017-05-24 | 2018-11-29 | Osram Oled Gmbh | Organisches elektronisches Bauelement und Verfahren zur Herstellung eines organischen elektronischen Bauelements |
US10600981B2 (en) * | 2017-08-24 | 2020-03-24 | Universal Display Corporation | Exciplex-sensitized fluorescence light emitting system |
KR102637102B1 (ko) | 2017-09-05 | 2024-02-20 | 삼성전자주식회사 | 유기 발광 소자 |
KR20200065064A (ko) | 2017-10-17 | 2020-06-08 | 지안 리 | 표시 및 조명 분야용 단색성 이미터로서의, 바람직한 분자 배향을 갖는 인광성 엑시머 |
US11647643B2 (en) | 2017-10-17 | 2023-05-09 | Arizona Board Of Regents On Behalf Of Arizona State University | Hole-blocking materials for organic light emitting diodes |
KR102486392B1 (ko) * | 2017-11-24 | 2023-01-09 | 삼성전자주식회사 | 유기 발광 소자 및 이의 제조 방법 |
US11342506B2 (en) * | 2018-06-20 | 2022-05-24 | Kwansei Gakuin Educational Foundation | Organic electroluminescent element |
KR102622078B1 (ko) * | 2018-12-13 | 2024-01-05 | 엘지디스플레이 주식회사 | 유기발광다이오드 및 이를 포함하는 유기발광장치 |
US11878988B2 (en) | 2019-01-24 | 2024-01-23 | Arizona Board Of Regents On Behalf Of Arizona State University | Blue phosphorescent emitters employing functionalized imidazophenthridine and analogues |
US11594691B2 (en) | 2019-01-25 | 2023-02-28 | Arizona Board Of Regents On Behalf Of Arizona State University | Light outcoupling efficiency of phosphorescent OLEDs by mixing horizontally aligned fluorescent emitters |
US20200295291A1 (en) * | 2019-03-12 | 2020-09-17 | Universal Display Corporation | OLED WITH TRIPLET EMITTER AND EXCITED STATE LIFETIME LESS THAN 200 ns |
US20210036065A1 (en) * | 2019-07-29 | 2021-02-04 | Universal Display Corporation | Color stable multicolor OLED device structures |
US20210050531A1 (en) * | 2019-08-12 | 2021-02-18 | The Regents Of The University Of Michigan | Organic electroluminescent device |
US11785838B2 (en) | 2019-10-02 | 2023-10-10 | Arizona Board Of Regents On Behalf Of Arizona State University | Green and red organic light-emitting diodes employing excimer emitters |
CN110797470A (zh) * | 2019-11-08 | 2020-02-14 | 京东方科技集团股份有限公司 | 显示装置、显示面板、发光器件及其制造方法 |
US11945985B2 (en) | 2020-05-19 | 2024-04-02 | Arizona Board Of Regents On Behalf Of Arizona State University | Metal assisted delayed fluorescent emitters for organic light-emitting diodes |
CN114039006B (zh) * | 2021-11-09 | 2024-02-09 | 云谷(固安)科技有限公司 | 一种发光器件以及显示装置 |
Family Cites Families (104)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4769292A (en) | 1987-03-02 | 1988-09-06 | Eastman Kodak Company | Electroluminescent device with modified thin film luminescent zone |
GB8909011D0 (en) | 1989-04-20 | 1989-06-07 | Friend Richard H | Electroluminescent devices |
US5389797A (en) | 1993-02-24 | 1995-02-14 | The United States Of America As Represented By The Secretary Of The Department Of Energy | Photodetector with absorbing region having resonant periodic absorption between reflectors |
US5478658A (en) | 1994-05-20 | 1995-12-26 | At&T Corp. | Article comprising a microcavity light source |
US5703436A (en) | 1994-12-13 | 1997-12-30 | The Trustees Of Princeton University | Transparent contacts for organic devices |
US6548956B2 (en) | 1994-12-13 | 2003-04-15 | The Trustees Of Princeton University | Transparent contacts for organic devices |
US5707745A (en) | 1994-12-13 | 1998-01-13 | The Trustees Of Princeton University | Multicolor organic light emitting devices |
US5683823A (en) | 1996-01-26 | 1997-11-04 | Eastman Kodak Company | White light-emitting organic electroluminescent devices |
US5844363A (en) | 1997-01-23 | 1998-12-01 | The Trustees Of Princeton Univ. | Vacuum deposited, non-polymeric flexible organic light emitting devices |
KR100462723B1 (ko) | 1996-08-12 | 2004-12-20 | 더 트러스티즈 오브 프린스턴 유니버시티 | 가요성 유기발광장치 및 그것을 제조하는 방법 |
US5834893A (en) | 1996-12-23 | 1998-11-10 | The Trustees Of Princeton University | High efficiency organic light emitting devices with light directing structures |
US6091195A (en) | 1997-02-03 | 2000-07-18 | The Trustees Of Princeton University | Displays having mesa pixel configuration |
US6013982A (en) | 1996-12-23 | 2000-01-11 | The Trustees Of Princeton University | Multicolor display devices |
US5892786A (en) | 1997-03-26 | 1999-04-06 | The United States Of America As Represented By The Secretary Of The Air Force | Output control of vertical microcavity light emitting device |
US6303238B1 (en) | 1997-12-01 | 2001-10-16 | The Trustees Of Princeton University | OLEDs doped with phosphorescent compounds |
US6337102B1 (en) | 1997-11-17 | 2002-01-08 | The Trustees Of Princeton University | Low pressure vapor phase deposition of organic thin films |
US6087196A (en) | 1998-01-30 | 2000-07-11 | The Trustees Of Princeton University | Fabrication of organic semiconductor devices using ink jet printing |
US6830828B2 (en) | 1998-09-14 | 2004-12-14 | The Trustees Of Princeton University | Organometallic complexes as phosphorescent emitters in organic LEDs |
US6097147A (en) | 1998-09-14 | 2000-08-01 | The Trustees Of Princeton University | Structure for high efficiency electroluminescent device |
GB9822963D0 (en) | 1998-10-20 | 1998-12-16 | Agner Erik | Improvements in or relating to chromatography |
US6310360B1 (en) | 1999-07-21 | 2001-10-30 | The Trustees Of Princeton University | Intersystem crossing agents for efficient utilization of excitons in organic light emitting devices |
US6294398B1 (en) | 1999-11-23 | 2001-09-25 | The Trustees Of Princeton University | Method for patterning devices |
US6458475B1 (en) | 1999-11-24 | 2002-10-01 | The Trustee Of Princeton University | Organic light emitting diode having a blue phosphorescent molecule as an emitter |
US6939624B2 (en) | 2000-08-11 | 2005-09-06 | Universal Display Corporation | Organometallic compounds and emission-shifting organic electrophosphorescence |
US6660411B2 (en) | 2000-09-20 | 2003-12-09 | Mitsubishi Chemical Corporation | Organic electroluminescent device |
SG2009086778A (en) * | 2000-12-28 | 2016-11-29 | Semiconductor Energy Lab Co Ltd | Luminescent device |
SG118110A1 (en) * | 2001-02-01 | 2006-01-27 | Semiconductor Energy Lab | Organic light emitting element and display device using the element |
CN100379049C (zh) | 2001-03-14 | 2008-04-02 | 普林斯顿大学理事会 | 用于蓝色磷光基有机发光二极管的材料与器件 |
US7071615B2 (en) | 2001-08-20 | 2006-07-04 | Universal Display Corporation | Transparent electrodes |
KR100917347B1 (ko) | 2001-08-29 | 2009-09-16 | 더 트러스티즈 오브 프린스턴 유니버시티 | 금속 착물들을 포함하는 캐리어 블로킹층들을 갖는 유기발광 디바이스들 |
US7431968B1 (en) | 2001-09-04 | 2008-10-07 | The Trustees Of Princeton University | Process and apparatus for organic vapor jet deposition |
US6835469B2 (en) | 2001-10-17 | 2004-12-28 | The University Of Southern California | Phosphorescent compounds and devices comprising the same |
US6863997B2 (en) | 2001-12-28 | 2005-03-08 | The Trustees Of Princeton University | White light emitting OLEDs from combined monomer and aggregate emission |
US6872472B2 (en) | 2002-02-15 | 2005-03-29 | Eastman Kodak Company | Providing an organic electroluminescent device having stacked electroluminescent units |
JP3933591B2 (ja) | 2002-03-26 | 2007-06-20 | 淳二 城戸 | 有機エレクトロルミネッセント素子 |
TW595059B (en) | 2002-05-03 | 2004-06-21 | Osram Opto Semiconductors Gmbh | Optically pumped semiconductor laser device |
US20030230980A1 (en) | 2002-06-18 | 2003-12-18 | Forrest Stephen R | Very low voltage, high efficiency phosphorescent oled in a p-i-n structure |
KR100483986B1 (ko) * | 2002-06-20 | 2005-04-15 | 삼성에스디아이 주식회사 | 인광 재료의 혼합물을 발광 재료로 사용한 고분자 유기전계 발광 소자 |
US7332739B2 (en) * | 2002-06-20 | 2008-02-19 | Samsung Sdi Co., Ltd. | Organic electroluminescent device using mixture of phosphorescent material as light-emitting substance |
JP5095206B2 (ja) | 2003-03-24 | 2012-12-12 | ユニバーシティ オブ サザン カリフォルニア | イリジウム(Ir)のフェニル及びフルオレニル置換フェニル−ピラゾール錯体 |
JP2005011734A (ja) * | 2003-06-20 | 2005-01-13 | Sony Corp | 表示素子および表示装置 |
EP2592905B1 (en) | 2003-07-31 | 2014-11-12 | Mitsubishi Chemical Corporation | Compound, charge transporting material and organic electroluminescent element |
KR100560783B1 (ko) * | 2003-09-03 | 2006-03-13 | 삼성에스디아이 주식회사 | 도핑된 발광층을 갖는 유기전계발광소자 |
US7179543B2 (en) | 2003-10-06 | 2007-02-20 | The Trustees Of Princeton University | Doping of organic opto-electronic devices to extend reliability |
US7408185B2 (en) * | 2003-10-29 | 2008-08-05 | Samsung Sdi Co., Ltd. | Organic light emitting device and display using the same |
KR100560789B1 (ko) | 2003-11-25 | 2006-03-13 | 삼성에스디아이 주식회사 | 풀칼라유기전계발광소자 및 그의 제조방법 |
GB0329364D0 (en) * | 2003-12-19 | 2004-01-21 | Cambridge Display Tech Ltd | Optical device |
KR100670543B1 (ko) | 2003-12-29 | 2007-01-16 | 엘지.필립스 엘시디 주식회사 | 유기전계발광 소자 |
KR100712098B1 (ko) | 2004-01-13 | 2007-05-02 | 삼성에스디아이 주식회사 | 백색 발광 유기전계발광소자 및 그를 구비하는유기전계발광표시장치 |
US7151339B2 (en) * | 2004-01-30 | 2006-12-19 | Universal Display Corporation | OLED efficiency by utilization of different doping concentrations within the device emissive layer |
CN100470877C (zh) * | 2004-02-27 | 2009-03-18 | 清华大学 | 一种有机电致磷光器件及其制备方法 |
JP4408382B2 (ja) | 2004-03-18 | 2010-02-03 | 株式会社 日立ディスプレイズ | 有機発光表示装置 |
JP4429067B2 (ja) * | 2004-04-21 | 2010-03-10 | 富士フイルム株式会社 | 有機電界発光素子 |
US7445855B2 (en) | 2004-05-18 | 2008-11-04 | The University Of Southern California | Cationic metal-carbene complexes |
US7279704B2 (en) | 2004-05-18 | 2007-10-09 | The University Of Southern California | Complexes with tridentate ligands |
US7393599B2 (en) | 2004-05-18 | 2008-07-01 | The University Of Southern California | Luminescent compounds with carbene ligands |
US7655323B2 (en) | 2004-05-18 | 2010-02-02 | The University Of Southern California | OLEDs utilizing macrocyclic ligand systems |
US7534505B2 (en) | 2004-05-18 | 2009-05-19 | The University Of Southern California | Organometallic compounds for use in electroluminescent devices |
US7528810B2 (en) | 2004-05-25 | 2009-05-05 | Victor Company Of Japan, Limited | Display with multiple emission layers |
US7126267B2 (en) | 2004-05-28 | 2006-10-24 | Eastman Kodak Company | Tandem OLED having stable intermediate connectors |
WO2006016153A1 (en) * | 2004-08-10 | 2006-02-16 | Cambridge Display Technology Limited | Light emissive device |
US7560862B2 (en) | 2004-10-22 | 2009-07-14 | Eastman Kodak Company | White OLEDs with a color-compensated electroluminescent unit |
JP4603370B2 (ja) | 2005-01-18 | 2010-12-22 | 創世理工株式会社 | 基板上に作製された半導体光デバイスおよびその作製方法 |
US7683536B2 (en) | 2005-03-31 | 2010-03-23 | The Trustees Of Princeton University | OLEDs utilizing direct injection to the triplet state |
US9070884B2 (en) | 2005-04-13 | 2015-06-30 | Universal Display Corporation | Hybrid OLED having phosphorescent and fluorescent emitters |
US9051344B2 (en) * | 2005-05-06 | 2015-06-09 | Universal Display Corporation | Stability OLED materials and devices |
US7902374B2 (en) * | 2005-05-06 | 2011-03-08 | Universal Display Corporation | Stability OLED materials and devices |
GB2426376B (en) | 2005-05-19 | 2008-12-03 | Cdt Oxford Ltd | Light-emitting device |
US7768194B2 (en) | 2005-06-01 | 2010-08-03 | The Trustees Of Princeton University | Fluorescent filtered electrophosphorescence |
US7507486B2 (en) | 2005-08-31 | 2009-03-24 | Eastman Kodak Company | Organic phosphorescent light emitting device |
US8021763B2 (en) | 2005-11-23 | 2011-09-20 | The Trustees Of Princeton University | Phosphorescent OLED with interlayer |
WO2007063760A1 (ja) | 2005-11-30 | 2007-06-07 | Mitsubishi Chemical Corporation | 有機化合物、電荷輸送材料、電荷輸送材料用組成物および有機電界発光素子 |
US8142909B2 (en) | 2006-02-10 | 2012-03-27 | Universal Display Corporation | Blue phosphorescent imidazophenanthridine materials |
US7902742B2 (en) | 2006-07-04 | 2011-03-08 | Semiconductor Energy Laboratory Co., Ltd. | Light-emitting element, light-emitting device, and electronic device |
US7915624B2 (en) | 2006-08-06 | 2011-03-29 | Lightwave Photonics, Inc. | III-nitride light-emitting devices with one or more resonance reflectors and reflective engineered growth templates for such devices, and methods |
JP5470849B2 (ja) * | 2006-09-19 | 2014-04-16 | コニカミノルタ株式会社 | 有機エレクトロルミネッセンス素子 |
US8945722B2 (en) | 2006-10-27 | 2015-02-03 | The University Of Southern California | Materials and architectures for efficient harvesting of singlet and triplet excitons for white light emitting OLEDs |
CN104835914B (zh) * | 2006-12-28 | 2018-02-09 | 通用显示公司 | 长寿命磷光有机发光器件(oled)结构 |
CN101669226A (zh) * | 2006-12-28 | 2010-03-10 | 通用显示公司 | 长寿命磷光有机发光器件(oled)结构 |
KR101407574B1 (ko) | 2007-01-12 | 2014-06-17 | 삼성디스플레이 주식회사 | 백색 유기 발광 소자 |
KR101359632B1 (ko) | 2007-01-19 | 2014-02-19 | 삼성디스플레이 주식회사 | 백색 유기 발광 소자 |
JP4946923B2 (ja) | 2007-03-07 | 2012-06-06 | 三菱化学株式会社 | 有機電界発光素子 |
CN101679383B (zh) | 2007-05-17 | 2014-10-29 | 株式会社半导体能源研究所 | 三唑衍生物,和使用三唑衍生物的发光元件、发光器件和电子器件 |
JP5384856B2 (ja) | 2007-06-04 | 2014-01-08 | 株式会社半導体エネルギー研究所 | 有機金属錯体、発光素子、発光装置、照明装置、及び電子機器 |
JP2009032987A (ja) * | 2007-07-27 | 2009-02-12 | Fujifilm Corp | 有機電界発光素子 |
JP2009032990A (ja) | 2007-07-27 | 2009-02-12 | Fujifilm Corp | 有機電界発光素子 |
JP2009032989A (ja) * | 2007-07-27 | 2009-02-12 | Fujifilm Corp | 有機電界発光素子 |
JP5130001B2 (ja) | 2007-07-27 | 2013-01-30 | 富士フイルム株式会社 | 有機電界発光素子 |
US8815411B2 (en) | 2007-11-09 | 2014-08-26 | The Regents Of The University Of Michigan | Stable blue phosphorescent organic light emitting devices |
US8476822B2 (en) | 2007-11-09 | 2013-07-02 | Universal Display Corporation | Saturated color organic light emitting devices |
US7943202B2 (en) | 2008-05-07 | 2011-05-17 | Qualcomm Mems Technologies, Inc. | Apparatus and methods for providing a static interferometric display device |
KR101587307B1 (ko) | 2008-09-04 | 2016-01-20 | 유니버셜 디스플레이 코포레이션 | 백색 인광성 유기 발광 디바이스 |
KR20100090045A (ko) * | 2009-02-05 | 2010-08-13 | 엘지디스플레이 주식회사 | 유기발광 다이오드 |
KR101291801B1 (ko) * | 2009-11-23 | 2013-07-31 | 엘지디스플레이 주식회사 | 유기전계발광소자의 제조방법 |
WO2012005724A1 (en) * | 2010-07-07 | 2012-01-12 | Universal Display Corporation | Host material for organic light emitting devices |
WO2012039241A1 (ja) * | 2010-09-24 | 2012-03-29 | コニカミノルタホールディングス株式会社 | 有機エレクトロルミネッセンス素子、及び有機エレクトロルミネッセンス素子の製造方法 |
KR102255816B1 (ko) * | 2011-03-30 | 2021-05-24 | 가부시키가이샤 한도오따이 에네루기 켄큐쇼 | 발광 소자 |
CN103875092A (zh) * | 2011-10-19 | 2014-06-18 | E.I.内穆尔杜邦公司 | 用于照明的有机电子装置 |
KR20130050713A (ko) * | 2011-11-08 | 2013-05-16 | 삼성디스플레이 주식회사 | 유기 발광 소자, 이의 제조 방법 및 이를 포함하는 평판 표시 장치 |
JP6331393B2 (ja) * | 2011-11-11 | 2018-05-30 | 三菱ケミカル株式会社 | 有機電界発光素子及び有機電界発光デバイス |
KR102123784B1 (ko) * | 2012-04-09 | 2020-06-17 | 미쯔비시 케미컬 주식회사 | 유기 전계 발광 소자용 조성물 및 유기 전계 발광 소자 |
KR101419810B1 (ko) * | 2012-04-10 | 2014-07-15 | 서울대학교산학협력단 | 엑시플렉스를 형성하는 공동 호스트를 포함하는 유기 발광 소자 |
JP2013229411A (ja) * | 2012-04-25 | 2013-11-07 | Nippon Seiki Co Ltd | 有機el素子 |
KR101989057B1 (ko) * | 2012-09-07 | 2019-06-14 | 삼성디스플레이 주식회사 | 유기 전계 발광 소자 |
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US20150171359A1 (en) | 2015-06-18 |
KR102125584B1 (ko) | 2020-07-07 |
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CN104716273A (zh) | 2015-06-17 |
JP2015119182A (ja) | 2015-06-25 |
TWI666801B (zh) | 2019-07-21 |
EP2887417B1 (en) | 2020-03-25 |
JP6576034B2 (ja) | 2019-09-18 |
CN109599495A (zh) | 2019-04-09 |
US9666822B2 (en) | 2017-05-30 |
EP3690972A1 (en) | 2020-08-05 |
CN104716273B (zh) | 2018-10-12 |
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