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    Organic light emitting diode display device and method of fabricating the same
    4.
    发明公开
    Organic light emitting diode display device and method of fabricating the same 有权
    OLED-Anzeigevorrichtung und Verfahren zu ihrer Herstellung

    公开(公告)号：EP2226845A3

    公开(公告)日：2014-04-02

    申请号：EP10154502.8

    申请日：2010-02-24

    申请人： Samsung Display Co., Ltd.

    发明人： Park, Byoung-Keon ,  Yang, Tae-Hoon ,  Seo, Jin-Wook ,  Jo, Soo-Beom ,  Lee, Dong-Hyun ,  Lee, Kil-Won ,  Lisachenko, Maxim ,  Chung, Yun-Mo ,  Choi, Bo-Kyung ,  Park, Jong-Ryuk ,  Lee, Ki-Yong

    IPC分类号： H01L27/32

    CPC分类号： H01L51/52 ,  H01L27/3265 ,  H01L2227/323

    摘要： An organic light emitting diode (OLED) display device and a method of fabricating the same are provided. The OLED display device includes a substrate having a thin film transistor region and a capacitor region, a buffer layer disposed on the substrate, a gate insulating layer disposed on the substrate, a lower capacitor electrode disposed on the gate insulating layer in the capacitor region, an interlayer insulating layer disposed on the substrate, and an upper capacitor electrode disposed on the interlayer insulating layer and facing the lower capacitor electrode, wherein regions of each of the buffer layer, the gate insulating layer, the interlayer insulating layer, the lower capacitor electrode, and the upper capacitor electrode have surfaces in which protrusions having the same shape as grain boundaries of the semiconductor layer are formed. The resultant capacitor has an increased surface area, and therefore, an increased capacitance.

    摘要翻译： 提供了一种有机发光二极管（OLED）显示装置及其制造方法。 OLED显示装置包括具有薄膜晶体管区域和电容器区域的基板，设置在基板上的缓冲层，设置在基板上的栅极绝缘层，设置在电容器区域的栅极绝缘层上的下部电容电极， 设置在所述基板上的层间绝缘层，以及设置在所述层间绝缘层上并面向所述下部电容电极的上部电容电极，其中，所述缓冲层，所述栅极绝缘层，所述层间绝缘层，所述下部电容电极 上电容器电极具有形成与半导体层的晶界相同形状的突起的表面。 所得到的电容器具有增加的表面积，因此增加电容。