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    • 10. 发明授权
    • LED device having improved light output
    • LED装置具有改善的光输出
    • US08207668B2
    • 2012-06-26
    • US12784827
    • 2010-05-21
    • Ronald S. CokPaul J. KaneMichael E. Miller
    • Ronald S. CokPaul J. KaneMichael E. Miller
    • H01J1/64
    • H01L27/3213H01L27/3206H01L27/322H01L51/5265
    • A white light-emitting microcavity light-emitting diode device, comprising: a) A reflective electrode and a semi-transparent electrode formed over a substrate and an unpatterned white-light-emitting layer formed between the reflective electrode and the semi-transparent electrode, the reflective electrode, semi-transparent electrode, and unpatterned white-light-emitting layer forming an optical cavity. Either the reflective or semi-transparent electrode is patterned to form independently-controllable light-emitting sub-pixel elements. b) Color filters are formed over a side of the semi-transparent electrodes opposite the unpatterned white light-emitting-layer in correspondence with the independently-controllable light-emitting elements to form colored sub-pixels. At least one independently-controllable light-emitting element has at least two commonly-controlled portions that together emit substantially white light to form a white sub-pixel. c) The optical cavity of one or more of the commonly-controlled portions of the white sub-pixel comprises optical microcavities tuned to emit light at a different complementary wavelength at an emission angle.
    • 一种白色发光微腔发光二极管装置,包括:a)形成在基板上的反射电极和半透明电极以及形成在反射电极和半透明电极之间的未图案化的白色发光层, 反射电极,半透明电极和形成光腔的无图案白色发光层。 反射或半透明电极被图案化以形成独立可控的发光子像素元件。 b)在与独立控制的发光元件对应的无图案白色发光层的相对的半透明电极的一侧上形成彩色滤光片,以形成有色的子像素。 至少一个可独立控制的发光元件具有至少两个共同控制的部分,它们一起发射基本上白色的光以形成白色的子像素。 c)白色子像素的一个或多个共同受控部分的光学腔包括被调谐以以发射角以不同的互补波长发光的光学微腔。