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    • 16. 发明授权
    • Organic electroluminescent element
    • 有机电致发光元件
    • US08604466B2
    • 2013-12-10
    • US13258693
    • 2010-03-23
    • Jun EndoChishio HosokawaToshihiro Iwakuma
    • Jun EndoChishio HosokawaToshihiro Iwakuma
    • H01L35/24
    • H01L51/0072C07D235/18H01L51/0058H01L51/0059H01L51/5048H01L51/5092
    • Provided is an organic electroluminescence device that has solved the conventional problems, and is thermally and chemically stable, has high efficiency with which an electron is injected from a cathode layer or an intermediate conductive layer to a light emitting layer, provides high luminous efficiency at a low voltage, and can maintain a long lifetime. Specifically, the organic electroluminescence device is an organic electroluminescence device, including: two electrode layers and optionally one or more intermediate conductive layers; a light emitting layer between the electrode layers, or between one of the electrode layers and the intermediate conductive layer and/or between the intermediate conductive layers; and an electron injection region formed of one or two or more layers between the light emitting layer and the cathode layer and/or between the light emitting layer and the intermediate conductive layer, in which at least one layer in the electron injection region contains at least one kind selected from the group consisting of an oxide of a transition metal belonging to any one of Groups 5 to 8 of the periodic table, a nitrogen-containing heterocyclic derivative, and a chalcogenide, and further contains a compound represented by the formula: MxAOy (in the formula, M represents Li, Na, K, Rb, or Cs, A represents Zr, V, Nb, Ta, Si, or Ge, x represents 1 or 2, and y represents an integer of 1 to 4).
    • 本发明提供了一种有机电致发光器件,其解决了常规问题,并且是化学稳定的,具有从阴极层或中间导电层向发光层注入电子的高效率,在 低电压,可以保持长寿命。 具体地说,有机电致发光元件是有机电致发光器件,包括:两个电极层和可选的一个或多个中间导电层; 电极层之间或者电极层和中间导电层之间和/或中间导电层之间的发光层; 以及在所述发光层和所述阴极层之间和/或所述发光层与所述中间导电层之间由一层或两层以上形成的电子注入区域,其中所述电子注入区域中的至少一层至少含有 选自属于周期表第5至8族中的任何一种的过渡金属的氧化物,含氮杂环衍生物和硫族化物的一种,并且还包含由下式表示的化合物:MxAOy (式中,M表示Li,Na,K,Rb或Cs,A表示Zr,V,Nb,Ta,Si或Ge,x表示1或2,y表示1〜4的整数。
    • 17. 发明申请
    • ORGANIC ELECTROLUMINESCENT ELEMENT
    • 有机电致发光元件
    • US20120037895A1
    • 2012-02-16
    • US13258693
    • 2010-03-23
    • Jun EndoChishio HosokawaToshihiro Iwakuma
    • Jun EndoChishio HosokawaToshihiro Iwakuma
    • H01L51/54
    • H01L51/0072C07D235/18H01L51/0058H01L51/0059H01L51/5048H01L51/5092
    • Provided is an organic electroluminescence device that has solved the conventional problems, and is thermally and chemically stable, has high efficiency with which an electron is injected from a cathode layer or an intermediate conductive layer to a light emitting layer, provides high luminous efficiency at a low voltage, and can maintain a long lifetime. Specifically, the organic electroluminescence device is an organic electroluminescence device, including: two electrode layers and optionally one or more intermediate conductive layers; a light emitting layer between the electrode layers, or between one of the electrode layers and the intermediate conductive layer and/or between the intermediate conductive layers; and an electron injection region formed of one or two or more layers between the light emitting layer and the cathode layer and/or between the light emitting layer and the intermediate conductive layer, in which at least one layer in the electron injection region contains at least one kind selected from the group consisting of an oxide of a transition metal belonging to any one of Groups 5 to 8 of the periodic table, a nitrogen-containing heterocyclic derivative, and a chalcogenide, and further contains a compound represented by the formula: MxAOy (in the formula, M represents Li, Na, K, Rb, or Cs, A represents Zr, V, Nb, Ta, Si, or Ge, x represents 1 or 2, and y represents an integer of 1 to 4).
    • 本发明提供了一种有机电致发光器件,其解决了常规问题,并且是化学稳定的,具有从阴极层或中间导电层向发光层注入电子的高效率,在 低电压,可以保持长寿命。 具体地说,有机电致发光元件是有机电致发光器件,包括:两个电极层和可选的一个或多个中间导电层; 电极层之间或者电极层和中间导电层之间和/或中间导电层之间的发光层; 以及在所述发光层和所述阴极层之间和/或所述发光层与所述中间导电层之间由一层或两层以上形成的电子注入区域,其中所述电子注入区域中的至少一层至少含有 选自属于周期表第5至8族中的任何一种的过渡金属的氧化物,含氮杂环衍生物和硫族化物的一种,并且还包含由下式表示的化合物:MxAOy (式中,M表示Li,Na,K,Rb或Cs,A表示Zr,V,Nb,Ta,Si或Ge,x表示1或2,y表示1〜4的整数。