JPWO2007032357A1 - 芳香族複素環が結合したオキサジアゾール環構造を有する化合物および有機エレクトロルミネッセンス素子 - Google Patents
芳香族複素環が結合したオキサジアゾール環構造を有する化合物および有機エレクトロルミネッセンス素子 Download PDFInfo
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- C07D413/00—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms
- C07D413/02—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms containing two hetero rings
- C07D413/04—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms containing two hetero rings directly linked by a ring-member-to-ring-member bond
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D413/00—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms
- C07D413/14—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and oxygen atoms as the only ring hetero atoms containing three or more hetero rings
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D417/00—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group C07D415/00
- C07D417/14—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group C07D415/00 containing three or more hetero rings
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D471/00—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00
- C07D471/02—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, at least one ring being a six-membered ring with one nitrogen atom, not provided for by groups C07D451/00 - C07D463/00 in which the condensed system contains two hetero rings
- C07D471/04—Ortho-condensed systems
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D519/00—Heterocyclic compounds containing more than one system of two or more relevant hetero rings condensed among themselves or condensed with a common carbocyclic ring system not provided for in groups C07D453/00 or C07D455/00
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- 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
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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
- H10K85/60—Organic compounds having low molecular weight
- H10K85/649—Aromatic compounds comprising a hetero atom
- H10K85/656—Aromatic compounds comprising a hetero atom comprising two or more different heteroatoms per ring
- H10K85/6565—Oxadiazole compounds
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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
- C09K2211/1018—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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Abstract
Description
2 透明陽極
3 正孔注入層
4 正孔輸送層
5 発光層
6 正孔阻止層兼電子輸送層
7 電子注入層
8 陰極
2−(2H−テトラゾール−5−イル)−1,10−フェナントロリン5.0gを脱水ピリジン50mlに溶解し、イソフタロイルクロライド2.1gを加えた。100℃に加温して5時間還流攪拌を行った。室温まで冷却した後、反応溶液を水中に注ぎ、析出した固体を吸引ろ過によって取り出し、水洗した。70℃で20時間真空乾燥して、褐色の粗製物を得た。得られた粗製物をクロロホルム:メタノール=4:1の混合溶液に溶解した後、ヘキサンを加えて晶析させて精製して、PhenOXDm(2)を4.82g(収率84%)得た。NMR分析(図1参照)によって生成物の同定を行った。NMR分析の結果は以下の通りであった。9.15ppm(2H)、8.89ppm(1H)、8.73ppm(2H)、8.59ppm(2H)、8.50ppm(2H)、8.45ppm(2H)、8.07ppm(4H)、7.97ppm(1H)、7.78ppm(2H)。
2−(2H−テトラゾール−5−イル)キノリン4.0gを脱水ピリジン60mlに溶解し、イソフタロイルクロライド2.1gを加えた。100℃に加温して4時間還流攪拌を行った。室温まで冷却した後、反応溶液を水中に注ぎ、析出した固体を吸引ろ過によって取り出し、水洗した。70℃で20時間真空乾燥して、褐色の粗製物を得た。得られた粗製物をクロロホルムに溶解した後、ヘキサンを加えて晶析させて精製して、2QOXDm(14)を4.12g(収率87%)得た。NMR分析(図2参照)によって生成物の同定を行った。NMR分析の結果は以下の通りであった。9.17ppm(1H)、8.53ppm(2H)、8.34−8.47ppm(6H)、7.83−7.96ppm(4H)、7.80ppm(1H)、7.69ppm(2H)。さらにすべての炭素原子のシグナルを確認した(図3参照)。164.7ppm、164.5ppm、147.9ppm、143.0ppm、137.4ppm、130.6ppm、130.6ppm、130.1ppm、129.9ppm、128.7ppm、128.3ppm、127.7ppm、125.9ppm、124.7ppm、119.9ppm。
3−(2H−テトラゾール−5−イル)キノリン4.0gを脱水ピリジン60mlに溶解し、イソフタロイルクロライド2.1gを加えた。100℃に加温して3時間還流攪拌を行った。室温まで冷却した後、反応溶液を水中に注ぎ、析出した固体を吸引ろ過によって取り出し、水洗した。70℃で20時間真空乾燥して、灰白色の粗製物を得た。得られた粗製物をクロロホルムに溶解した後、ヘキサンを加えて晶析させて精製して、3QOXDm(31)を3.90g(収率82%)得た。NMR分析(図4参照)によって生成物の同定を行った。NMR分析の結果は以下の通りであった。9.70ppm(2H)、9.02ppm(1H)、8.98ppm(2H)、8.46ppm(2H)、8.24ppm(2H)、8.05ppm(2H)、7.89ppm(2H)、7.83ppm(1H)、7.71ppm(2H)。
比較のために、正孔阻止層兼電子輸送層6の材料をAlqに代えて、実施例6と同様の条件で有機EL素子を作製してその特性を調べた。すなわち発光層兼正孔阻止層兼電子輸送層5および6としてAlqを蒸着速度6nm/minで約60nm形成した。このように作製された有機EL素子は、駆動電圧7.0Vで490cd/m2の発光を、8.0Vで1680cd/m2の発光を示した。この素子の外部量子効率は1万cd/m2で0.92%、1.5万cd/m2で0.59%であった。この素子は10.8Vで最大輝度15200cd/m2を示した後、発光輝度が低下して破過した。
以上の結果から本発明の有機EL素子は、Alqを用いた素子よりも、素子の効率が良く、電気的な安定性も高く、耐久性が良いことが明白である。
本出願は、2005年9月12日出願の日本特許出願(特願2005−263687)に基づくものであり、その内容はここに参照として取り込まれる。
Claims (5)
- 上記一般式(1)で表される化合物を含む有機層が電子輸送層である、請求項2記載の有機エレクトロルミネッセンス素子。
- 上記一般式(1)で表される化合物を含む有機層が正孔阻止層中である、請求項2記載の有機エレクトロルミネッセンス素子。
- 上記一般式(1)で表される化合物を含む有機層が発光層である、請求項2記載の有機エレクトロルミネッセンス素子。
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JP2007535490A JP5291340B2 (ja) | 2005-09-12 | 2006-09-12 | 芳香族複素環が結合したオキサジアゾール環構造を有する化合物および有機エレクトロルミネッセンス素子 |
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EP2194055B1 (en) * | 2008-12-03 | 2012-04-04 | Novaled AG | Bridged pyridoquinazoline or phenanthroline compounds and organic semiconducting material comprising that compound |
TWI402259B (zh) | 2009-08-28 | 2013-07-21 | Ind Tech Res Inst | 喹啉衍生物及包含此喹啉衍生物之有機發光二極體 |
US8486544B2 (en) | 2009-08-28 | 2013-07-16 | Industrial Technology Research Institute | Quinoxaline derivatives and organic light-emitting diodes comprising the same |
US10388900B2 (en) * | 2016-07-28 | 2019-08-20 | Semiconductor Energy Laboratory Co., Ltd. | Light-emitting element, light-emitting device, electronic device, and lighting device |
CN112125924B (zh) * | 2020-09-15 | 2021-09-24 | 吉林大学 | 一种螺旋寡聚物、仿生离子通道、制备方法、应用 |
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FR1473521A (fr) | 1966-03-23 | 1967-03-17 | Daimler Benz Ag | Voiture automobile avec dispositifs pour la mesure de rayons radio-actifs |
GB1222970A (en) * | 1967-08-15 | 1971-02-17 | Ici Ltd | New oxadiazole compounds |
DE2509514A1 (de) * | 1975-03-05 | 1976-09-16 | Hoechst Ag | Neue benzofuran-derivate, verfahren zu deren herstellung und verwendung als optische aufheller |
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US5378519A (en) * | 1992-04-28 | 1995-01-03 | Canon Kabushiki Kaisha | Electroluminescent device |
JP3482446B2 (ja) | 1993-10-12 | 2003-12-22 | 株式会社リコー | 電界発光素子 |
JP3194657B2 (ja) | 1993-11-01 | 2001-07-30 | 松下電器産業株式会社 | 電界発光素子 |
JP3828595B2 (ja) | 1994-02-08 | 2006-10-04 | Tdk株式会社 | 有機el素子 |
JP3518816B2 (ja) | 1994-06-16 | 2004-04-12 | 株式会社リコー | オキサジアゾール化合物およびその製造方法 |
JP3537869B2 (ja) | 1994-06-16 | 2004-06-14 | 株式会社リコー | オキサジアゾール化合物およびその製造方法 |
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US20060261328A1 (en) | 2003-03-17 | 2006-11-23 | Tadao Nakaya | Blue light-emitting compounds, processes of preparing the same, and luminescent element including the same |
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