发明名称 Light-emitting element, light-emitting device, electronic device, and lighting device
摘要 <p>A light-emitting element includes an EL layer between an anode and a cathode, and a first layer, a second layer, and a third layer between the cathode and the EL layer. The first layer provided between the cathode and the second layer is in contact with the cathode and the second layer, and includes a substance having a hole-transport property and an acceptor substance. The second layer provided between the first layer and the third layer is in contact with the first layer and the third layer, and includes a phthalocyanine-based material. The third layer provided between the second layer and the EL layer is in contact with the second layer and the EL layer, and includes an alkali metal, an alkaline-earth metal, a rare-earth metal, an alkali metal compound, an alkaline-earth metal compound, or a rare-earth metal compound. </p>
申请公布号 EP2365556(A3) 申请公布日期 2013.02.27
申请号 EP20110155565 申请日期 2011.02.23
申请人 SEMICONDUCTOR ENERGY LABORATORY CO., LTD. 发明人 NOWATARI, HIROMI;SEO, SATOSHI
分类号 H01L51/50;H01L51/00 主分类号 H01L51/50
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