JP2005129499A - 有機発光素子 - Google Patents
有機発光素子 Download PDFInfo
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- JP2005129499A JP2005129499A JP2004267705A JP2004267705A JP2005129499A JP 2005129499 A JP2005129499 A JP 2005129499A JP 2004267705 A JP2004267705 A JP 2004267705A JP 2004267705 A JP2004267705 A JP 2004267705A JP 2005129499 A JP2005129499 A JP 2005129499A
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- 0 **(*)(*1)**1(N)[Al] Chemical compound **(*)(*1)**1(N)[Al] 0.000 description 2
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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
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- C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
- C09K11/06—Luminescent, e.g. electroluminescent, chemiluminescent materials containing organic luminescent materials
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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
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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
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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
- H10K85/371—Metal complexes comprising a group IB metal element, e.g. comprising copper, gold or silver
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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
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- 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
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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
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- C09K2211/10—Non-macromolecular compounds
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- 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
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- C09K2211/00—Chemical nature of organic luminescent or tenebrescent compounds
- C09K2211/18—Metal complexes
- C09K2211/188—Metal complexes of other metals not provided for in one of the previous groups
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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
- 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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- 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
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- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S428/00—Stock material or miscellaneous articles
- Y10S428/917—Electroluminescent
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- Materials Engineering (AREA)
- Inorganic Chemistry (AREA)
- Organic Chemistry (AREA)
- Electroluminescent Light Sources (AREA)
Abstract
【解決手段】 ハロゲン原子、硫黄原子、窒素原子を含む原子団のいずれかにより、2個の銅イオンを環状に架橋した基本構造を有する特定の銅配位化合物を発光材料として用い、有機発光素子を構成する。
【選択図】 なし
Description
前記銅イオンがプラス1価である。
前記一般式(1)で示される部分構造式を有する銅配位化合物が、該部分構造式を周期的に含む高分子銅配位化合物である。
前記一般式(1)で示される部分構造式を有する銅配位化合物が、電気的に中性の非イオン性銅配位化合物である。
前記発光層が前記発光材料100%の部分を含む。
・MLCT(metal−to−ligand−charge−transfer)励起状態
・CC(Cluster canter)励起状態
・XLCT(halogen−to−ligand−charge−transfer)励起状態
(A)2L+2CuI→LCu(μI)2CuL
(B)L1+L2+2CuI→L1Cu(μI)2CuL2
(C)4L+4CuI→(CuIL)4
以下の化合物を前記反応式(A)〜(C)に従って合成した。これらの構造は、1H−NMR(Bruker DPX−400 NMR)及び元素分析(Vario EL CHNOS)によって同定した。元素分析では、CHNの元素重量比の計算値に対し、0.5%以下の誤差でよく一致した。
実施例2、4、8で合成した例示化合物1002、1138、4005を発光材料として用いて有機EL素子を作成した。
クロロベンゼン:10g
ポリビニルカルバゾール(平均分子量9600):92mg
例示化合物1002、1138、または4005:8mg
金属電極層1(15nm):AlLi合金(Li含有量1.8質量%)
金属電極層2(100nm):Al
以上の製膜が終わった後、素子を取り出して評価した。
実施例12と発光層以外は実施例12と同様にして発光素子を作製した。発光層は、例示化合物4005を100質量%で30nmの膜厚でスピンコートで形成した。EL発光は、200cd/cm2で発光させた時、良好な発光を示し、10時間通電しても良好な発光得られた。実施例12より、発光効率が高く100%で発光層を形成することにより、高い効率が得られることが判った。結果を表6に示す。
本実施例では、真空蒸着法で全ての有機層を形成し、有機EL素子を作成した。ホール輸送層3材料には先に示したαNPDを用い、発光層2には実施例2で合成した例示化合物1002を100質量%で用い、電子輸送層6にはBPhenを用いた。それぞれ厚さは40nmである。
本実施例は、2座配位子に[化20]の配位子504を用いた2核の金属配位化合物(例示化合物1034、1160、1253)の実施例である。合成には、[0098]の(A)の方法を用い合成した。これらの化合物は熱的安定性に優れ昇華性であるため、10-1Paの真空下で昇華精製を行い精製した。本化合物の同定には、元素分析及びX線結晶解析を用いた。元素分析は、元素分析測定機「Vario EL CHNOS」(Elementar社製)を用いて測定した。X線結晶解析は、昇華精製時に形成された結晶を用い、理学社製RAXIS−RAPIDイメージングプレートを用いて測定した。X線はMoKα線(l=0.71069Å)をグラファイトモノクロメータで単色化して用いた。例示化合物1253の結晶解析の結果の分子構造を図4に示した。
本実施例では、上記実施例15及び17で合成した例示化合物1034と1253を用いて真空蒸着法により、有機LED素子を作成しその発光特性を調べた。素子構成は、[化27]に示した化合物を用いた。その構成は「NPD(50nm)/CBP:Cu配位化合物(10%)(20nm、60nm)/Bphen(40nm)」とした。電極にはNPD側にITOをBphen側にAlを用い、BphenとAl電極の間に電子注入層としてフッ化カリウム(KF)を5nm積層した。発光層は、20nm及び60nmの2種類の膜厚の素子を作成した。本実施例の有機LED素子は良好な整流性を示した。電流−電圧−輝度特性のデータから、以下のような結果が得られた。
2 発光層
3 ホール輸送層
4 透明電極
5 透明基板
6 電子輸送層
Claims (12)
- 前記銅イオンがプラス1価である請求項1に記載の有機発光素子。
- 前記一般式(1)で示される部分構造式を有する銅配位化合物が、該部分構造式を周期的に含む高分子銅配位化合物である請求項1に記載の有機発光素子。
- 前記一般式(1)で示される部分構造式を有する銅配位化合物が、電気的に中性の非イオン性銅配位化合物である請求項1に記載の有機発光素子。
- 前記発光層が前記発光材料100%の部分を含む請求項1に記載の有機発光素子。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004267705A JP4557651B2 (ja) | 2003-10-01 | 2004-09-15 | 発光性銅配位化合物及び有機発光素子 |
US10/951,686 US7413818B2 (en) | 2003-10-01 | 2004-09-29 | Light-emitting device |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003343157 | 2003-10-01 | ||
JP2004267705A JP4557651B2 (ja) | 2003-10-01 | 2004-09-15 | 発光性銅配位化合物及び有機発光素子 |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2005129499A true JP2005129499A (ja) | 2005-05-19 |
JP2005129499A5 JP2005129499A5 (ja) | 2007-10-04 |
JP4557651B2 JP4557651B2 (ja) | 2010-10-06 |
Family
ID=34425328
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2004267705A Expired - Fee Related JP4557651B2 (ja) | 2003-10-01 | 2004-09-15 | 発光性銅配位化合物及び有機発光素子 |
Country Status (2)
Country | Link |
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US (1) | US7413818B2 (ja) |
JP (1) | JP4557651B2 (ja) |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2006041189A1 (en) * | 2004-10-14 | 2006-04-20 | Canon Kabushiki Kaisha | Organic electroluminescent device and display apparatus using the same |
JP2006286749A (ja) * | 2005-03-31 | 2006-10-19 | Canon Inc | 発光素子 |
JP2010114425A (ja) * | 2008-10-10 | 2010-05-20 | Canon Inc | 有機el表示装置 |
KR101003031B1 (ko) | 2008-12-09 | 2010-12-22 | 경상대학교산학협력단 | 신규한 인광 화합물 및 이를 포함하는 유기 발광 소자 |
WO2012056931A1 (ja) * | 2010-10-28 | 2012-05-03 | 住友化学株式会社 | 燐光発光素子 |
JP2012229181A (ja) * | 2011-04-27 | 2012-11-22 | Sumitomo Chemical Co Ltd | 錯体 |
KR20140033168A (ko) * | 2011-06-29 | 2014-03-17 | 시노라 게엠베하 | 구리(i) 착물, 특히 광전자 구성요소용 구리(i) 착물 |
JP2014140048A (ja) * | 2008-10-10 | 2014-07-31 | Canon Inc | 有機el表示装置 |
US20140326981A1 (en) * | 2011-11-16 | 2014-11-06 | Cynora Gmbh | Heteroleptic copper complexes for optoelectronic uses |
KR101761274B1 (ko) | 2009-06-24 | 2017-07-26 | 시노라 게엠베하 | 광전자 적용을 위한 구리 복합물 |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4328702B2 (ja) * | 2003-12-01 | 2009-09-09 | キヤノン株式会社 | 有機el素子 |
DE102004046665A1 (de) * | 2004-09-24 | 2006-07-27 | Basf Ag | Verwendung von Kupfer(I)-Komplexen in organischen lichtemittierenden Dioden |
JP5084204B2 (ja) * | 2006-09-06 | 2012-11-28 | キヤノン株式会社 | 発光素子及び高分子混合金属錯体 |
JP5053713B2 (ja) * | 2007-05-30 | 2012-10-17 | キヤノン株式会社 | リン光発光材料、それを用いた有機電界発光素子及び画像表示装置 |
JP5305637B2 (ja) | 2007-11-08 | 2013-10-02 | キヤノン株式会社 | 有機金属錯体及びこれを用いた有機発光素子並びに表示装置 |
DE102008033563A1 (de) * | 2008-07-17 | 2010-01-21 | Merck Patent Gmbh | Komplexe mit kleinen Singulett-Triplett-Energie-Abständen zur Verwendung in opto-elektronischen Bauteilen (Singulett-Harvesting-Effekt) |
US8147600B2 (en) * | 2009-03-26 | 2012-04-03 | United Technologies Corporation | Pressure-based dissolved gas removal system |
US10329508B2 (en) | 2014-07-25 | 2019-06-25 | Hamilton Sundstrand Corporation | Fuel additive and method of preparing the same |
KR20170066534A (ko) * | 2014-10-06 | 2017-06-14 | 다우 글로벌 테크놀로지스 엘엘씨 | 전계발광 장치 디바이스용 구리(i) 피라졸레이트 이량체 |
CN112601755A (zh) * | 2018-06-20 | 2021-04-02 | 科莱恩国际有限公司 | 四核中性铜(i)络合物 |
WO2019243581A1 (en) | 2018-06-20 | 2019-12-26 | Clariant Plastics & Coatings Ltd | Tetra-nuclear neutral copper (i) complexes with diarylphosphine ligands |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6372658A (ja) * | 1986-09-17 | 1988-04-02 | Sumitomo Chem Co Ltd | ニトロジフエニルアミン類の製造方法 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2940514B2 (ja) | 1997-05-07 | 1999-08-25 | 日本電気株式会社 | 有機エレクトロルミネッセント素子 |
EP1426399A4 (en) | 2001-09-04 | 2005-07-13 | Canon Kk | HIGHLY MOLECULAR COMPOUNDS AND ORGANIC LUMINESCENT DEVICES |
JP4208657B2 (ja) * | 2003-07-15 | 2009-01-14 | キヤノン株式会社 | 発光素子 |
-
2004
- 2004-09-15 JP JP2004267705A patent/JP4557651B2/ja not_active Expired - Fee Related
- 2004-09-29 US US10/951,686 patent/US7413818B2/en not_active Expired - Fee Related
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6372658A (ja) * | 1986-09-17 | 1988-04-02 | Sumitomo Chem Co Ltd | ニトロジフエニルアミン類の製造方法 |
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2006041189A1 (en) * | 2004-10-14 | 2006-04-20 | Canon Kabushiki Kaisha | Organic electroluminescent device and display apparatus using the same |
JP2006286749A (ja) * | 2005-03-31 | 2006-10-19 | Canon Inc | 発光素子 |
JP2010114425A (ja) * | 2008-10-10 | 2010-05-20 | Canon Inc | 有機el表示装置 |
JP2014140048A (ja) * | 2008-10-10 | 2014-07-31 | Canon Inc | 有機el表示装置 |
KR101003031B1 (ko) | 2008-12-09 | 2010-12-22 | 경상대학교산학협력단 | 신규한 인광 화합물 및 이를 포함하는 유기 발광 소자 |
KR101761274B1 (ko) | 2009-06-24 | 2017-07-26 | 시노라 게엠베하 | 광전자 적용을 위한 구리 복합물 |
WO2012056931A1 (ja) * | 2010-10-28 | 2012-05-03 | 住友化学株式会社 | 燐光発光素子 |
JP2012229181A (ja) * | 2011-04-27 | 2012-11-22 | Sumitomo Chemical Co Ltd | 錯体 |
KR20140033168A (ko) * | 2011-06-29 | 2014-03-17 | 시노라 게엠베하 | 구리(i) 착물, 특히 광전자 구성요소용 구리(i) 착물 |
KR101942324B1 (ko) | 2011-06-29 | 2019-01-25 | 시노라 게엠베하 | 구리(i) 착물, 특히 광전자 구성요소용 구리(i) 착물 |
US20140326981A1 (en) * | 2011-11-16 | 2014-11-06 | Cynora Gmbh | Heteroleptic copper complexes for optoelectronic uses |
US9985225B2 (en) * | 2011-11-16 | 2018-05-29 | Cynora Gmbh | Heteroleptic copper complexes for optoelectronic uses |
Also Published As
Publication number | Publication date |
---|---|
US20050079384A1 (en) | 2005-04-14 |
JP4557651B2 (ja) | 2010-10-06 |
US7413818B2 (en) | 2008-08-19 |
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