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    • 28. 发明授权
    • White organic light emitting device
    • 白色有机发光装置
    • US08552639B2
    • 2013-10-08
    • US12292848
    • 2008-11-26
    • Mu-gyeom KimSang-yeol KimSung-hoon LeeJung-bae Song
    • Mu-gyeom KimSang-yeol KimSung-hoon LeeJung-bae Song
    • H01L51/50
    • H05B33/14H01L51/5036H01L51/5048H01L51/5265
    • A white organic light emitting device (WOLED) includes electroluminescence (EL) red and blue light emitting layers disposed inside a cavity and a non-electroluminescence (NEL) green light emitting unit disposed outside the cavity or on a region inside the cavity where there are no combinations of electrons and holes. The green light emitting unit adjusts a green spectrum by resonating greenish blue light in the cavity, or is disposed on a path through which red and blue light output from the cavity travels and adapted to absorb the blue light and emit green light. A photoluminescence (PL) light emitting layer may be a capping layer covering the cavity. The capping layer functions as an optical path control layer controlling an optical path. A white spectrum is obtained by combining blue light and red light generated by EL and green generated by PL. This WOLED can operate at a low voltage.
    • 白色有机发光器件(WOLED)包括设置在空腔内的电致发光(EL)红色和蓝色发光层,以及设置在空腔外部或空腔内部的区域内的非电致发光(NEL)绿色发光单元 没有电子和空穴的组合。 绿色发光单元通过使空腔中的绿色蓝色光共振而调节绿色光谱,或者设置在从空腔输出的红色和蓝色光通过的路径上,适于吸收蓝色光并发出绿色光。 光致发光(PL)发光层可以是覆盖空腔的覆盖层。 封盖层用作控制光路的光路控制层。 通过组合蓝色光和由EL产生的红色光和由PL生成的绿色获得白色光谱。 该WOLED可以在低电压下工作。