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    • 94. 发明授权
    • Full color organic electroluminescent device and method for fabricating the same
    • 全彩有机电致发光器件及其制造方法
    • US07705529B2
    • 2010-04-27
    • US10938471
    • 2004-09-09
    • Mu-Hyun KimByung-Doo ChinMin-Chul SuhNam-Choul YangSeong-Taek Lee
    • Mu-Hyun KimByung-Doo ChinMin-Chul SuhNam-Choul YangSeong-Taek Lee
    • H05B33/00
    • H01L51/5016H01L27/3211H01L51/005H01L51/0059H01L51/0062H01L51/0081H01L51/0085
    • A full color organic electroluminescent device and a method for fabricating the same reduces misalignment errors caused by fine patterning of the emitting layer by reducing the steps of the fine patterning process. In particular, the blue emitting layer functions as a hole inhibition layer which results in superior color purity and improved stability for the color organic electroluminescent device. The use of such a blue emitting layer also reduces the manufacturing steps. The device comprises a substrate; a first electrode pattern formed on the substrate; a red emitting layer formed by patterning a red emitting material on a red pixel region of the first electrode pattern and a green emitting layer formed by patterning a green emitting material on a green pixel region of the first electrode pattern. A blue emitting layer is applied over the entire substrate, over the upper parts of the red and green emitting layers and a second electrode is formed on an upper part of the blue emitting layer.
    • 全色有机电致发光器件及其制造方法通过减少精细图案化工艺的步骤来减少由精细图案化发光层引起的错位误差。 特别地,蓝色发光层起着空穴抑制层的作用,其对彩色有机电致发光器件产生优异的色纯度和改进的稳定性。 使用这种蓝色发光层也减少了制造步骤。 该装置包括基板; 形成在所述基板上的第一电极图案; 通过在第一电极图案的红色像素区域上图案化红色发射材料而形成的红色发光层和通过在第一电极图案的绿色像素区域上图案化绿色发光材料而形成的绿色发光层。 在整个衬底上,在红色和绿色发光层的上部上施加蓝色发光层,在蓝色发光层的上部形成第二电极。