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    • 2. 发明申请
    • Organic light emitting display (OLED) and its method of manufacture
    • 有机发光显示器(OLED)及其制造方法
    • US20080074038A1
    • 2008-03-27
    • US11819139
    • 2007-06-25
    • Hee-Kyung KimShinichiro TamuraDas Rupasree RaginiYoung-Hun ByunO-Hyun KwonChe-Un YangYoung-Mok Son
    • Hee-Kyung KimShinichiro TamuraDas Rupasree RaginiYoung-Hun ByunO-Hyun KwonChe-Un YangYoung-Mok Son
    • H01J1/62H01J9/02H01L51/54H01L51/56
    • H01L51/5048H01L51/5012H01L2251/5384H01L2251/552
    • An Organic Light Emitting Display (OLED) and a method of manufacturing the OLED includes: a first electrode arranged on a substrate; a Hole Transporting Layer (HTL) arranged on the first electrode; a light Emitting Layer (EL) arranged on the HTL; an Electron Transporting Layer (ETL) arranged on the light EL; and a second electrode arranged on the ETL; the light EL includes a soluble hole transporting host, a soluble electron transporting host, and a soluble light emitting dopant; a difference of a Highest Occupied Molecular Orbital (HOMO) level between the HTL and the hole transporting host respectively and the light emitting dopant is 1 eV or less; a difference of a HOMO level between the HTL and the hole transporting host respectively and the electron transporting host is 0.5eV or more; a difference of a Lowest Unoccupied Molecular Orbital (LUMO) level between the ETL and the electron transporting host respectively and the light emitting dopant is 1 eV or less; and a difference of a LUMO level between the ETL and the electron transporting host respectively and the hole transporting host is 0.5 eV or more.
    • 有机发光显示器(OLED)和制造OLED的方法包括:布置在基板上的第一电极; 布置在第一电极上的空穴传输层(HTL); 布置在HTL上的发光层(EL); 布置在光EL上的电子传输层(ETL); 和布置在ETL上的第二电极; 光EL包括可溶性空穴传输基质,可溶性电子传递宿主和可溶性发光掺杂剂; HTL和空穴传输主体之间的最高占据分子轨道(HOMO)水平和发光掺杂剂的差异为1eV或更小; HTL和空穴传输宿主和电子传输宿主之间的HOMO能级的差异为0.5eV以上; ETL和电子传输性宿主和发光掺杂剂之间的最低未占分子轨道(LUMO)水平的差异为1eV以下; 并且ETL和电子传输性宿主之间的LUMO能级和空穴传输性主体的差为0.5eV以上。