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    • 9. 发明申请
    • ORGANIC LIGHT-EMITTING ELEMENT
    • 有机发光元件
    • US20140145172A1
    • 2014-05-29
    • US14128727
    • 2011-07-15
    • Ryuuta YamadaSatoru OhuchiTakahiro KomatsuShinya FujimuraHirofumi Fujita
    • Ryuuta YamadaSatoru OhuchiTakahiro KomatsuShinya FujimuraHirofumi Fujita
    • H01L51/50H01L51/56
    • H01L51/5088H01L51/5215H01L51/56H01L2251/303
    • An organic EL element including anode, hole injection layer, buffer layer, light-emitting layer, and cathode, layered on substrate in the stated order, and banks defining a light-emission region, and having excellent light-emission characteristics, due to the hole injection layer having excellent hole injection efficiency, being a tungsten oxide layer including an oxygen vacancy structure, formed under predetermined conditions to have an occupied energy level within a binding energy range from 1.8 eV to 3.6 eV lower than a lowest binding energy of a valence band, and after formation, subjected to atmospheric firing at a temperature within 200° C.-230° C. inclusive for a processing time of 15-45 minutes inclusive to have increased film density and improved dissolution resistance against an etching solution, a cleaning liquid, etc., used in a bank forming process.
    • 包括阳极,空穴注入层,缓冲层,发光层和阴极的有机EL元件,按照所述顺序层叠在基板上,以及限定发光区域的堤,并且具有优异的发光特性,由于 在预定条件下形成具有优异的空穴注入效率的空穴注入层,所述空穴注入层是包含氧空位结构的氧化钨层,以使其占据能级在1.8eV至3.6eV以下的结合能范围内,低于化合价的最低结合能 并且在形成之后,在200℃-230℃的温度范围内进行大气烧制,其中包括处理时间为15-45分钟,以提高膜密度和改善对蚀刻溶液的耐溶解性,清洗 液体等,用于银行形成过程。