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    • 10. 发明授权
    • Organic electroluminescent devices
    • 有机电致发光器件
    • US07326473B2
    • 2008-02-05
    • US10274752
    • 2002-10-21
    • Junji KidoTokio MizukamiJun Endoh
    • Junji KidoTokio MizukamiJun Endoh
    • H01L51/50
    • H01L51/5092H01L51/5221H05B33/26Y10S428/917Y10T428/26Y10T428/31678
    • An organic electroluminescent (EL) device comprising at least one luminescent layer of an organic compound, the luminescent layer being positioned between a cathode electrode and an anode electrode opposed to the cathode electrode, and an organic layer positioned adjacent to the cathode electrode, in which the organic layer is constituted from an organic metal complex compound containing at least one of alkali metal ions, alkali earth metal ions and rare earth metal ions, and the cathode electrode is constituted from a metal capable of reducing the metal ion in the complex compound, in vacuum, to the corresponding metal. The cathode electrode can be formed from a low cost and stable metal which is well-known as the wiring material. The EL device ensures a diminished energy barrier in an electron injection from the cathode electrode into the luminescent layer, a lowered driving voltage, and a high efficiency and luminescence.
    • 一种有机电致发光(EL)装置,其包括至少一种有机化合物的发光层,所述发光层位于阴极电极和与所述阴极电极相对的阳极电极之间,以及位于所述阴极电极附近的有机层,其中 有机层由含有碱金属离子,碱土金属离子和稀土金属离子中的至少一种的有机金属络合物构成,阴极由能够还原络合物中的金属离子的金属构成, 在真空中,到相应的金属。 阴极可以由低成本且稳定的金属形成,这是众所周知的布线材料。 EL器件确保从阴极到发光层的电子注入中的能量阻挡减小,驱动电压降低,效率和发光效率高。