WO2008120355A1 - 有機ｅｌ素子 - Google Patents

有機ｅｌ素子 Download PDF

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Publication number
WO2008120355A1
WO2008120355A1 PCT/JP2007/056873 JP2007056873W WO2008120355A1 WO 2008120355 A1 WO2008120355 A1 WO 2008120355A1 JP 2007056873 W JP2007056873 W JP 2007056873W WO 2008120355 A1 WO2008120355 A1 WO 2008120355A1
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WO
WIPO (PCT)
Prior art keywords
phosphorescent material
luminous layer
layer disposed
negative electrode
positive electrode
Prior art date
Application number
PCT/JP2007/056873
Other languages
English (en)
French (fr)
Inventor
Taishi Tsuji
Original Assignee
Pioneer Corporation
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Pioneer Corporation filed Critical Pioneer Corporation
Priority to PCT/JP2007/056873 priority Critical patent/WO2008120355A1/ja
Priority to JP2009507346A priority patent/JPWO2008120355A1/ja
Publication of WO2008120355A1 publication Critical patent/WO2008120355A1/ja

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    • 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
    • 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
    • H05B33/18—Light sources with substantially two-dimensional radiating surfaces characterised by the nature or concentration of the activator
    • 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
    • H05B33/20—Light sources with substantially two-dimensional radiating surfaces characterised by the chemical or physical composition or the arrangement of the material in which the electroluminescent material is embedded
    • 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
    • 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
    • H10K50/125—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
    • 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
    • C09K2211/1003—Carbocyclic compounds
    • C09K2211/1007—Non-condensed systems
    • 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
    • C09K2211/1003—Carbocyclic compounds
    • C09K2211/1011—Condensed systems
    • 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
    • C09K2211/1003—Carbocyclic compounds
    • C09K2211/1014—Carbocyclic compounds bridged by heteroatoms, e.g. N, P, Si or B
    • 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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    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • 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
    • 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
    • C09K2211/18—Metal complexes
    • C09K2211/186—Metal complexes of the light metals other than alkali metals and alkaline earth metals, i.e. Be, Al or Mg
    • 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
    • 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
    • H10K2101/30—Highest occupied molecular orbital [HOMO], lowest unoccupied molecular orbital [LUMO] or Fermi energy values
    • 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
    • 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
    • H10K85/40—Organosilicon compounds, e.g. TIPS pentacene
    • 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
    • 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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  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Electroluminescent Light Sources (AREA)

Abstract

有機ＥＬ素子は、一対の陰極及び陽極間に配置された発光層と、発光層及び陽極間に配置された正孔輸送層と、発光層及び陰極間に配置された電子輸送層と、を含む有機ＥＬ素子であって、発光層が、第１燐光材料と、第２燐光材料と、含窒素芳香族複素環を有するホスト材料とからなり、第２燐光材料の励起三重項準位は、第１燐光材料の励起三重項準位より高く、ホスト材料は、第１燐光材料、及び、第２燐光材料より、少なくとも０．５ｅＶ以上大きいイオン化ポテンシャルエネルギーを有する。
PCT/JP2007/056873 2007-03-29 2007-03-29 有機ｅｌ素子 WO2008120355A1 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/JP2007/056873 WO2008120355A1 (ja) 2007-03-29 2007-03-29 有機ｅｌ素子
JP2009507346A JPWO2008120355A1 (ja) 2007-03-29 2007-03-29 有機ｅｌ素子

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2007/056873 WO2008120355A1 (ja) 2007-03-29 2007-03-29 有機ｅｌ素子

Publications (1)

Publication Number Publication Date
WO2008120355A1 true WO2008120355A1 (ja) 2008-10-09

Family

ID=39807948

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2007/056873 WO2008120355A1 (ja) 2007-03-29 2007-03-29 有機ｅｌ素子

Country Status (2)

Country Link
JP (1) JPWO2008120355A1 (ja)
WO (1) WO2008120355A1 (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011165661A (ja) * 2010-01-15 2011-08-25 Sumitomo Chemical Co Ltd 有機半導体素子用液状組成物の製造方法
JP2013102202A (ja) * 2007-09-20 2013-05-23 Semiconductor Energy Lab Co Ltd 発光素子
JP2018501660A (ja) * 2014-12-31 2018-01-18 北京維信諾科技有限公司 有機エレクトロルミネッセンス素子

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003077674A (ja) * 2000-10-04 2003-03-14 Mitsubishi Chemicals Corp 有機電界発光素子
JP2004281386A (ja) * 2003-03-13 2004-10-07 Samsung Sdi Co Ltd 有機電界発光ディスプレー装置
JP2004311420A (ja) * 2003-03-27 2004-11-04 Sanyo Electric Co Ltd 有機エレクトロルミネッセンス素子
WO2005034588A1 (ja) * 2003-10-03 2005-04-14 Pioneer Corporation 有機エレクトロルミネッセンス素子
JP2006165525A (ja) * 2004-12-09 2006-06-22 Au Optronics Corp リン光有機発光素子及び同質構造、並びにリン光有機発光素子の動作効率を改善する方法
JP2006188493A (ja) * 2004-12-10 2006-07-20 Pioneer Electronic Corp 有機化合物、電荷輸送材料および有機電界発光素子
JP2006245565A (ja) * 2005-03-05 2006-09-14 Samsung Sdi Co Ltd 有機発光素子
JP2006270053A (ja) * 2005-02-28 2006-10-05 Fuji Photo Film Co Ltd 有機電界発光素子
WO2006126542A1 (ja) * 2005-05-24 2006-11-30 Pioneer Corporation 有機エレクトロルミネッセンス素子

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005259492A (ja) * 2004-03-11 2005-09-22 Fuji Photo Film Co Ltd 有機電界発光素子
JP4366332B2 (ja) * 2004-04-02 2009-11-18 株式会社半導体エネルギー研究所 有機金属錯体、該有機金属錯体を用いた発光素子および発光装置
KR100707357B1 (ko) * 2005-06-23 2007-04-13 (주)그라쎌 전기 발광 재료용 유기 금속착물의 전구체 화합물

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003077674A (ja) * 2000-10-04 2003-03-14 Mitsubishi Chemicals Corp 有機電界発光素子
JP2004281386A (ja) * 2003-03-13 2004-10-07 Samsung Sdi Co Ltd 有機電界発光ディスプレー装置
JP2004311420A (ja) * 2003-03-27 2004-11-04 Sanyo Electric Co Ltd 有機エレクトロルミネッセンス素子
WO2005034588A1 (ja) * 2003-10-03 2005-04-14 Pioneer Corporation 有機エレクトロルミネッセンス素子
JP2006165525A (ja) * 2004-12-09 2006-06-22 Au Optronics Corp リン光有機発光素子及び同質構造、並びにリン光有機発光素子の動作効率を改善する方法
JP2006188493A (ja) * 2004-12-10 2006-07-20 Pioneer Electronic Corp 有機化合物、電荷輸送材料および有機電界発光素子
JP2006270053A (ja) * 2005-02-28 2006-10-05 Fuji Photo Film Co Ltd 有機電界発光素子
JP2006245565A (ja) * 2005-03-05 2006-09-14 Samsung Sdi Co Ltd 有機発光素子
WO2006126542A1 (ja) * 2005-05-24 2006-11-30 Pioneer Corporation 有機エレクトロルミネッセンス素子

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013102202A (ja) * 2007-09-20 2013-05-23 Semiconductor Energy Lab Co Ltd 発光素子
US8901812B2 (en) 2007-09-20 2014-12-02 Semiconductor Energy Laboratory Co., Ltd. Light-emitting element, light-emitting device, and electronic device
JP2011165661A (ja) * 2010-01-15 2011-08-25 Sumitomo Chemical Co Ltd 有機半導体素子用液状組成物の製造方法
JP2018501660A (ja) * 2014-12-31 2018-01-18 北京維信諾科技有限公司 有機エレクトロルミネッセンス素子
US10566542B2 (en) 2014-12-31 2020-02-18 Beijing Visionox Technology Co., Ltd. Organic electroluminescent device

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Publication number Publication date
JPWO2008120355A1 (ja) 2010-07-15

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