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    • 6. 发明授权
    • Organic EL device
    • 有机EL器件
    • US07465963B2
    • 2008-12-16
    • US10467691
    • 2002-02-04
    • Kazuhiko HayashiAtsushi OdaTakashi FukuchiShinnzo Tsuboi
    • Kazuhiko HayashiAtsushi OdaTakashi FukuchiShinnzo Tsuboi
    • H01L33/00
    • H01L51/5206H01L27/3244H01L27/3248H01L51/5253H01L51/5259H01L2251/5315H01L2251/5353
    • An organic EL device having a light emitting element including a first electrode (2), a second electrode (4) of transparent conductive film, and a light emitting organic material layer (9) formed between said first electrode (2) and said second electrode (4), wherein said transparent conductive film is made of a metal oxide deficient in oxygen as compared with stoichiometric composition. Since the transparent conductive film (4) directly in contact with the light emitting organic material layer (9) over a wide area is made of the metal oxide deficient in oxygen as compared with stoichiometric composition, the transparent conductive film can absorb moisture and oxygen which may possibly absorbed by the light emitting organic material layer so that the light emitting organic material layer is prevented from deteriorating, and the long emission lifetime of the element can be ensured.
    • 一种具有发光元件的有机EL器件,其包括第一电极(2),透明导电膜的第二电极(4)和形成在所述第一电极(2)和所述第二电极之间的发光有机材料层(9) (4),其中所述透明导电膜由与化学计量组成相比缺氧的金属氧化物制成。 由于与广泛的区域直接与发光有机材料层(9)接触的透明导电膜(4)与化学计量组成相比,由氧缺乏的金属氧化物构成,所以透明导电膜可吸收水分和氧气, 可能被发光有机材料层吸收,使得防止发光有机材料层劣化,并且可以确保元件的长发光寿命。