WO2008132965A1 - 白色有機エレクトロルミネッセンス素子、及び照明装置 - Google Patents

白色有機エレクトロルミネッセンス素子、及び照明装置 Download PDF

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Publication number
WO2008132965A1
WO2008132965A1 PCT/JP2008/056777 JP2008056777W WO2008132965A1 WO 2008132965 A1 WO2008132965 A1 WO 2008132965A1 JP 2008056777 W JP2008056777 W JP 2008056777W WO 2008132965 A1 WO2008132965 A1 WO 2008132965A1
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Prior art keywords
light
organic electroluminescent
emitting layer
electroluminescent device
emission wavelength
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PCT/JP2008/056777
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English (en)
French (fr)
Inventor
Yoriko Nakayama
Kunimasa Hiyama
Shigeru Kojima
Tomoyuki Nakayama
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Konica Minolta Holdings, Inc.
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Application filed by Konica Minolta Holdings, Inc. filed Critical Konica Minolta Holdings, Inc.
Priority to JP2009511738A priority Critical patent/JPWO2008132965A1/ja
Priority to US12/595,921 priority patent/US9006711B2/en
Publication of WO2008132965A1 publication Critical patent/WO2008132965A1/ja

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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 radiating surfaces
    • H05B33/14—Light sources with substantially two-dimensional 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
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
    • C09K11/06—Luminescent, e.g. electroluminescent, chemiluminescent materials containing organic luminescent materials
    • 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
    • H10K85/649—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
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K2211/00—Chemical nature of organic luminescent or tenebrescent compounds
    • C09K2211/10—Non-macromolecular compounds
    • C09K2211/1018—Heterocyclic compounds
    • C09K2211/1025—Heterocyclic compounds characterised by ligands
    • C09K2211/1029—Heterocyclic compounds characterised by ligands containing one nitrogen atom as the heteroatom
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    • C09K2211/00—Chemical nature of organic luminescent or tenebrescent compounds
    • C09K2211/10—Non-macromolecular compounds
    • C09K2211/1018—Heterocyclic compounds
    • C09K2211/1025—Heterocyclic compounds characterised by ligands
    • C09K2211/1044—Heterocyclic compounds characterised by ligands containing two nitrogen atoms as heteroatoms
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    • C09K2211/00—Chemical nature of organic luminescent or tenebrescent compounds
    • C09K2211/10—Non-macromolecular compounds
    • C09K2211/1018—Heterocyclic compounds
    • C09K2211/1025—Heterocyclic compounds characterised by ligands
    • C09K2211/1092—Heterocyclic compounds characterised by ligands containing sulfur as the only heteroatom
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    • C09K2211/00—Chemical nature of organic luminescent or tenebrescent compounds
    • C09K2211/18—Metal complexes
    • C09K2211/185—Metal complexes of the platinum group, i.e. Os, Ir, Pt, Ru, Rh or Pd
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    • 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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    • 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
    • H—ELECTRICITY
    • H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
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    • H10K50/10—OLEDs or polymer light-emitting diodes [PLED]
    • H10K50/11—OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers
    • H10K50/125—OLEDs or polymer light-emitting diodes [PLED] characterised by the electroluminescent [EL] layers specially adapted for multicolour light emission, e.g. for emitting white light
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    • 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
    • H10K85/344—Transition metal complexes, e.g. Ru(II)polypyridine complexes comprising ruthenium
    • 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
    • H10K85/348—Transition metal complexes, e.g. Ru(II)polypyridine complexes comprising osmium
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps

Abstract

　電力効率が高く、長寿命で、保存安定性、演色性に優れ、且つ駆動経時での発光色度の安定性に優れた白色発光を呈する有機エレクトロルミネッセンス素子と、それを用いた照明装置は、陽極及び陰極の間に発光層を有する有機エレクトロルミネッセンス素子において、発光極大波長が４８０ｎｍ以下の燐光発光ドーパントを含有する発光極大波長が４８０ｎｍ以下の発光層Ａと、前記発光層Ａと陽極との間に燐光発光ドーパントを含有し発光極大波長が５１０ｎｍ以上の発光層Ｂとを有し、前記発光層Ａに含まれる燐光発光ドーパントの濃度が発光層Ａの膜厚方向で変化していることを特徴とする白色有機エレクトロルミネッセンス素子、及び白色有機エレクトロルミネッセンス素子を用いた照明装置によって達成される。
PCT/JP2008/056777 2007-04-17 2008-04-04 白色有機エレクトロルミネッセンス素子、及び照明装置 WO2008132965A1 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2009511738A JPWO2008132965A1 (ja) 2007-04-17 2008-04-04 白色有機エレクトロルミネッセンス素子、及び照明装置
US12/595,921 US9006711B2 (en) 2007-04-17 2008-04-04 White organic electroluminescent element and lighting device

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007-107989 2007-04-17
JP2007107989 2007-04-17

Publications (1)

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WO2008132965A1 true WO2008132965A1 (ja) 2008-11-06

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US (1) US9006711B2 (ja)
JP (2) JPWO2008132965A1 (ja)
WO (1) WO2008132965A1 (ja)

Cited By (12)

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WO2010090077A1 (ja) * 2009-02-06 2010-08-12 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、該素子を備えた照明装置及び表示装置
JP4620802B1 (ja) * 2010-01-20 2011-01-26 富士フイルム株式会社 有機電界発光素子
JP2011151097A (ja) * 2010-01-20 2011-08-04 Hitachi Ltd 有機発光層材料，有機発光層材料を用いた有機発光層形成用塗布液，有機発光層形成用塗布液を用いた有機発光素子および有機発光素子を用いた光源装置
WO2011122132A1 (ja) * 2010-03-31 2011-10-06 出光興産株式会社 有機エレクトロルミネッセンス素子用材料及びそれを用いた有機エレクトロルミネッセンス素子
WO2012077714A1 (ja) * 2010-12-09 2012-06-14 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照明装置
JP2012124360A (ja) * 2010-12-09 2012-06-28 Konica Minolta Holdings Inc 多色燐光発光有機エレクトロルミネッセンス素子及び照明装置
JP2012124359A (ja) * 2010-12-09 2012-06-28 Konica Minolta Holdings Inc 有機エレクトロルミネッセンス素子
US8319211B2 (en) 2010-01-20 2012-11-27 Hitachi, Ltd. Organic luminescent materials, coating solution using same for organic emitting layer, organic light emitting device using coating solution and light source device using organic light emitting device
JP2013517612A (ja) * 2010-01-20 2013-05-16 ユニバーサル ディスプレイ コーポレイション 照明用途のためのエレクトロルミネッセンスデバイス
WO2014177518A1 (en) 2013-04-29 2014-11-06 Basf Se Transition metal complexes with carbene ligands and the use thereof in oleds
JP2015537088A (ja) * 2012-11-30 2015-12-24 メルク パテント ゲゼルシャフト ミット ベシュレンクテル ハフツングＭｅｒｃｋ Ｐａｔｅｎｔ Ｇｅｓｅｌｌｓｃｈａｆｔ ｍｉｔ ｂｅｓｃｈｒａｅｎｋｔｅｒ Ｈａｆｔｕｎｇ 波長変換ポリマー膜
US9368741B2 (en) 2013-05-17 2016-06-14 Semiconductor Energy Laboratory Co., Ltd. Light-emitting element, lighting device, light-emitting device, and electronic device

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US9617255B2 (en) 2009-02-06 2017-04-11 Konica Minolta, Inc. Organic electroluminescent element, and illumination device and display device each comprising the element
WO2010090077A1 (ja) * 2009-02-06 2010-08-12 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、該素子を備えた照明装置及び表示装置
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