JP5117428B2 - 二重ドープ層燐光有機発光デバイス - Google Patents
二重ドープ層燐光有機発光デバイス Download PDFInfo
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- JP5117428B2 JP5117428B2 JP2009042820A JP2009042820A JP5117428B2 JP 5117428 B2 JP5117428 B2 JP 5117428B2 JP 2009042820 A JP2009042820 A JP 2009042820A JP 2009042820 A JP2009042820 A JP 2009042820A JP 5117428 B2 JP5117428 B2 JP 5117428B2
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- transport layer
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- oled
- hole transport
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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
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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
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B33/00—Electroluminescent light sources
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B33/00—Electroluminescent light sources
- H05B33/12—Light sources with substantially two-dimensional [2D] radiating surfaces
- H05B33/14—Light sources with substantially two-dimensional [2D] radiating surfaces characterised by the chemical or physical composition or the arrangement of the electroluminescent material, or by the simultaneous addition of the electroluminescent material in or onto the light source
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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
- 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
- H10K2102/00—Constructional details relating to the organic devices covered by this subclass
- H10K2102/10—Transparent electrodes, e.g. using graphene
- H10K2102/101—Transparent electrodes, e.g. using graphene comprising transparent conductive oxides [TCO]
- H10K2102/103—Transparent electrodes, e.g. using graphene comprising transparent conductive oxides [TCO] comprising indium oxides, e.g. ITO
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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
- H10K85/311—Phthalocyanine
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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
- H10K85/321—Metal complexes comprising a group IIIA element, e.g. Tris (8-hydroxyquinoline) gallium [Gaq3]
- H10K85/324—Metal complexes comprising a group IIIA element, e.g. Tris (8-hydroxyquinoline) gallium [Gaq3] comprising aluminium, e.g. Alq3
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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
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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
-
- 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
- H10K85/346—Transition metal complexes, e.g. Ru(II)polypyridine complexes comprising platinum
-
- 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
- H10K85/631—Amine compounds having at least two aryl rest on at least one amine-nitrogen atom, e.g. triphenylamine
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- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Electroluminescent Light Sources (AREA)
Description
本発明は、二重ドープ層構造を有する燐光OLEDに関する。本発明のOLEDは、アノード、そのアノードの上の第一ホール輸送(hole transporting)層(HTL)、前記第一HTL上の、燐光材料をドープした第二HTL、前記第二HTL上の、燐光材料をドープした第一電子輸送(electron transporting)層(ETL)、前記第一ETLの上の第二ETL、及び前記第二ETLの上のカソードを有するのが典型的である。本発明の各態様で、OLEDは、燐光材料が中にドープされたHTL及び同じ燐光材料が中にドープされたETLを有する。
本発明は、以下の記述で例示的態様に関連して記述する。これらの態様は単に説明のための例として考えられており、本発明をそれらに限定するものではない。
ITO(インジウム錫酸化物)被覆ガラス基材上に第一HTLを先ず堆積した。第一HTLは、約400ÅのR854からなっている。第二HTLは約200ÅのR854からなっており、第一HTL上に堆積されている。第二HTLはIr(4,6−F2ppy)(pico)で約6%ドープされている。第一ETLは、約200ÅのTAZからなり、第二HTL上に堆積されている。第一ETLは、Ir(4,6−F2ppy)(pico)で約6%ドープされている。約400Åの厚さを有するAlq3の第二ETLを、第一ETL上に堆積する。第二ETL上にMg/Ag電極を堆積することにより、デバイスを完成した。このMg/Ag電極は約100nmの厚さを持っていた。堆積は全て5×10-5トールよりも低い真空度で行なった。デバイスはパッケージすることなく、空気中で試験した。
Claims (4)
- 基材、
前記基材の上のアノード、
前記アノードの上の第一ホール輸送層、
前記第一ホール輸送層の上の第二ホール輸送層で、有機分子の三重項励起状態から発光をする燐光材料をドープした第二ホール輸送層、
前記第二ホール輸送層の上の第一電子輸送層で、有機分子の三重項励起状態から発光をする前記燐光材料をドープした第一電子輸送層、
前記第一電子輸送の上の第二電子輸送層、及び
前記第二電子輸送層の上のカソード、
を有する有機発光デバイス。 - 有機発光デバイスが、可視スペクトルの青色範囲内の光を発する、請求項1に記載の有機発光デバイス。
- 第一ホール輸送層が、アノードのIPエネルギーよりも0.7eV以下大きいIPエネルギーを有する、請求項1または2に記載の有機発光デバイス。
- 第一ホール輸送層が、アノードのIPエネルギーよりも0.5eV以下大きいIPエネルギーを有する、請求項3に記載の有機発光デバイス。
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US27328401P | 2001-03-02 | 2001-03-02 | |
| US60/273,284 | 2001-03-02 |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2002570589A Division JP4994564B2 (ja) | 2001-03-02 | 2002-02-01 | 二重ドープ層燐光有機発光装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2009147364A JP2009147364A (ja) | 2009-07-02 |
| JP5117428B2 true JP5117428B2 (ja) | 2013-01-16 |
Family
ID=23043295
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2002570589A Expired - Lifetime JP4994564B2 (ja) | 2001-03-02 | 2002-02-01 | 二重ドープ層燐光有機発光装置 |
| JP2009042820A Expired - Lifetime JP5117428B2 (ja) | 2001-03-02 | 2009-02-25 | 二重ドープ層燐光有機発光デバイス |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2002570589A Expired - Lifetime JP4994564B2 (ja) | 2001-03-02 | 2002-02-01 | 二重ドープ層燐光有機発光装置 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US6867538B2 (ja) |
| EP (1) | EP1374641B1 (ja) |
| JP (2) | JP4994564B2 (ja) |
| KR (1) | KR100898304B1 (ja) |
| WO (1) | WO2002071813A1 (ja) |
Families Citing this family (96)
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| KR102151394B1 (ko) * | 2013-01-10 | 2020-09-04 | 가부시키가이샤 한도오따이 에네루기 켄큐쇼 | 발광 소자, 발광 장치, 전자 기기 및 조명 장치 |
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| US6614175B2 (en) * | 2001-01-26 | 2003-09-02 | Xerox Corporation | Organic light emitting devices |
-
2002
- 2002-02-01 KR KR1020037011497A patent/KR100898304B1/ko not_active Expired - Lifetime
- 2002-02-01 EP EP02721207.5A patent/EP1374641B1/en not_active Expired - Lifetime
- 2002-02-01 JP JP2002570589A patent/JP4994564B2/ja not_active Expired - Lifetime
- 2002-02-01 WO PCT/US2002/006080 patent/WO2002071813A1/en not_active Ceased
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| EP1374641A1 (en) | 2004-01-02 |
| EP1374641A4 (en) | 2007-04-18 |
| WO2002071813A1 (en) | 2002-09-12 |
| KR100898304B1 (ko) | 2009-05-19 |
| EP1374641B1 (en) | 2017-12-27 |
| US6867538B2 (en) | 2005-03-15 |
| JP4994564B2 (ja) | 2012-08-08 |
| KR20030080056A (ko) | 2003-10-10 |
| JP2009147364A (ja) | 2009-07-02 |
| US20020180347A1 (en) | 2002-12-05 |
| JP2004522264A (ja) | 2004-07-22 |
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