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    • 5. 发明申请
    • Light-Emitting Element, Light-Emitting Device, and Electronic Device
    • 发光元件,发光元件和电子元件
    • US20090079326A1
    • 2009-03-26
    • US12212290
    • 2008-09-17
    • Satoshi SeoTsunenori SuzukiKaoru Ikeda
    • Satoshi SeoTsunenori SuzukiKaoru Ikeda
    • H01L33/00
    • H01L51/5048H01L51/5012H01L51/5016H01L51/5064H01L51/508H01L51/5088H01L2251/552
    • It is an object of the present invention to provide a light-emitting element with high light emission efficiency. It is another object of the present invention to provide a light-emitting element with a long lifetime. A light-emitting device is provided, which includes a light-emitting layer, a first layer, and a second layer between first electrode and a second electrode, wherein the first layer is provided between the light-emitting layer and the first electrode, the second layer is provided between the light-emitting layer and the second electrode, the first layer is a layer for controlling the hole transport, the second layer is a layer for controlling the electron transport, and a light emission from the light-emitting layer is obtained when voltage is applied to the first electrode and the second electrode so that potential of the first electrode is higher than potential of the second electrode.
    • 本发明的目的是提供一种发光效率高的发光元件。 本发明的另一个目的是提供一种寿命长的发光元件。 提供一种发光器件,其包括在第一电极和第二电极之间的发光层,第一层和第二层,其中第一层设置在发光层和第一电极之间, 第二层设置在发光层和第二电极之间,第一层是用于控制空穴传输的层,第二层是用于控制电子传输的层,来自发光层的发光是 当对第一电极和第二电极施加电压使得第一电极的电位高于第二电极的电位时获得。
    • 10. 发明授权
    • Polyvinyl ester macromonomer and its uses
    • 聚乙烯醇酯及其用途
    • US5061761A
    • 1991-10-29
    • US588720
    • 1990-09-27
    • Toshiaki SatoTakashi OhnagaKaoru Ikeda
    • Toshiaki SatoTakashi OhnagaKaoru Ikeda
    • C08F8/12C08F290/04
    • C08F290/04C08F8/12C08F8/14C08F8/30C08F8/34C08F2810/30C08F2810/40
    • Provided are polyvinyl ester macromonomers (A) having excellent polymerizability and highly controlled composition, structure and distribution of polymerization degree.Also provided are polyvinyl alcohol macromonomers (B) obtained by solvolysis of the above polyvinyl ester macromonomers (A) and having excellent polymerizability and highly controlled composition, structure and distribution of polymerization degree.Further provided are polymers (C) obtained by polymerization of the above polyvinyl ester macromonomers (A) and containing units from polyvinyl ester macromonomers having highly controlled composition, structure and distribution of polymerization degree. These polymers (C) are useful as compatibility improving agents, surface improving agents and like agents.Still further provided are polymers (D) obtained by solvolysis of the above polymers (C) or by polymerization or copolymerization of the above polyvinyl alcohol macromonomers (B) and containing units from polyvinyl alcohol macromonomers having highly controlled composition, structure and distribution of polymerization degree. These polymers (D) are useful for decreasing viscosity of aqueous solutions of polymers at high concentrations, improving surface, preventing static charge and the like.
    • 提供具有优异的聚合性和高度控制的聚合度的组成,结构和分布的聚乙烯基酯大分子单体(A)。 还提供了通过溶剂分解上述聚乙烯基酯大分子单体(A)获得的具有优异的聚合性和高度控制的聚合度的组成,结构和分布的聚乙烯醇大分子单体(B)。 还提供了通过聚合上述聚乙烯基酯大分子单体(A)并含有具有高度控制的聚合度组成,结构和分布的聚乙烯基酯单体的聚合物(C)。 这些聚合物(C)可用作相容性改善剂,表面改性剂等。 还提供了通过溶剂分解上述聚合物(C)或通过上述聚乙烯醇大分子单体(B)的聚合或共聚得到的聚合物(D)和含有高度控制组成,聚合度结构和分布的聚乙烯醇大分子单体的单元 。 这些聚合物(D)可用于降低高浓度聚合物的水溶液粘度,改善表面,防止静电荷等。