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    • 10. 发明授权
    • Organic electroluminescent device
    • 有机电致发光器件
    • US5693428A
    • 1997-12-02
    • US596415
    • 1996-02-02
    • Takanori FujiiTakeshi SanoYuji HamadaKousuke TakeuchiKenichi Shibata
    • Takanori FujiiTakeshi SanoYuji HamadaKousuke TakeuchiKenichi Shibata
    • H05B33/14H05B33/00
    • H01L27/3239H05B33/14Y10S428/917
    • In an organic electroluminescent device according to the present invention, at least a carrier transporting layer and a luminescent layer which use an organic material are provided between a hole injection electrode and an electron injection electrode, wherein a luminescent portion having a luminescent peak wavelength different from a luminescent peak wavelength in the luminescent layer is partially provided in such a manner that it is laminated on the luminescent layer, or at least a hole transporting layer having luminous characteristics and an electron transporting layer having luminous characteristics which respectively contain organic materials emitting fluorescence in different colors in a visible region are provided between the hole injection electrode and the electron injection electrode, wherein a hole transporting portion having non-luminous characteristics is partially provided between the hole transporting layer having luminous characteristics and the electron transporting layer having luminous characteristics when the hole transporting layer having luminous characteristics emits light, while an electron transporting portion having non-luminous characteristics is partially provided between the electron transporting layer having luminous characteristics and the hole transporting layer having luminous characteristics when the electron transporting layer having luminous characteristics emits light.
    • 在根据本发明的有机电致发光器件中,在空穴注入电极和电子注入电极之间至少设置使用有机材料的载流子传输层和发光层,其中发光峰值波长不同于 发光层中的发光峰值波长部分地设置成层叠在发光层上,或至少具有发光特性的空穴传输层和具有发光特性的电子传输层的方式分别包含发射荧光的有机材料 在空穴注入电极和电子注入电极之间设置可见区域的不同颜色,其中具有发光特性的空穴传输层和电子传输部分之间部分设置具有非发光特性的空穴传输部分 当具有发光特性的空穴传输层发光时具有发光特性的层,而具有非发光特性的电子传输部分部分地设置在具有发光特性的电子传输层和具有发光特性的空穴传输层之间,当电子传输层具有 发光特性发光。