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    • 1. 发明授权
    • Organic electroluminescent element
    • 有机电致发光元件
    • US08698392B2
    • 2014-04-15
    • US12278409
    • 2007-02-06
    • Yukio FurukawaTeppei YamadaYoshinobu Ono
    • Yukio FurukawaTeppei YamadaYoshinobu Ono
    • H01L51/50H01L51/52H01L51/54
    • H01L51/5278H05B33/22
    • This invention provides an organic electroluminescent element comprising two opposed electrodes connected to an external circuit for applying electrical energy, at least one of the electrodes being transparent or semitransparent, and provided between the electrodes, a plurality of luminescent units, for emitting light through recombination of holes with electrons, each comprising one or more organic layers, one of the organic layers being a luminescent layer, and a charge generation layer held between two of the plurality of luminescent units, characterized in that each two adjacent luminescent units in the plurality of luminescent units are partitioned by the charge generation layer, the charge generation layer comprises at least one metal or its compound (A) having a work function of not more than 3.0 eV and at least one compound (B) having a work function of not less than 4.0 eV, and in at least one of the plurality of luminescent units, the luminescent layer contains a polymeric luminescent material.
    • 本发明提供了一种有机电致发光元件,包括连接到外部电路的两个相对电极,用于施加电能,所述电极中的至少一个是透明或半透明的,并且设置在电极之间,多个发光单元用于通过复合发光 具有电子的空穴,每个包含一个或多个有机层,有机层中的一个是发光层,以及保持在多个发光单元中的两个之间的电荷产生层,其特征在于,多个发光单元中的每两个相邻的发光单元 单元由电荷产生层分隔,电荷产生层包含至少一种功能不大于3.0eV的金属或其化合物(A)和至少一种功函数不小于 4.0eV,并且在多个发光单元中的至少一个中,发光层含有聚合物lu 发光材料。
    • 2. 发明申请
    • ORGANIC ELECTROLUMINESCENT ELEMENT
    • 有机电致发光元件
    • US20090174315A1
    • 2009-07-09
    • US12278409
    • 2007-02-06
    • Yukio FurukawaTeppei YamadaYoshinobu Ono
    • Yukio FurukawaTeppei YamadaYoshinobu Ono
    • H01J1/63B05D5/12
    • H01L51/5278H05B33/22
    • This invention provides an organic electroluminescent element comprising two opposed electrodes connected to an external circuit for applying electrical energy, at least one of the electrodes being transparent or semitransparent, and provided between the electrodes, a plurality of luminescent units, for emitting light through recombination of holes with electrons, each comprising one or more organic layers, one of the organic layers being a luminescent layer, and a charge generation layer held between two of the plurality of luminescent units, characterized in that each two adjacent luminescent units in the plurality of luminescent units are partitioned by the charge generation layer, the charge generation layer comprises at least one metal or its compound (A) having a work function of not more than 3.0 eV and at least one compound (B) having a work function of not less than 4.0 eV, and in at least one of the plurality of luminescent units, the luminescent layer contains a polymeric luminescent material.
    • 本发明提供了一种有机电致发光元件,包括连接到外部电路的两个相对电极,用于施加电能,所述电极中的至少一个是透明或半透明的,并且设置在电极之间,多个发光单元用于通过复合发光 具有电子的空穴,每个包含一个或多个有机层,有机层中的一个是发光层,以及保持在多个发光单元中的两个之间的电荷产生层,其特征在于,多个发光单元中的每两个相邻的发光单元 单元由电荷产生层分隔,电荷产生层包含至少一种功能不大于3.0eV的金属或其化合物(A)和至少一种功函数不小于 4.0eV,并且在多个发光单元中的至少一个中,发光层含有聚合物lu 发光材料。