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    • 9. 发明授权
    • Thin film transistor array substrate for a display panel and a method for manufacturing a thin film transistor array substrate for a display panel
    • 用于显示面板的薄膜晶体管阵列基板和用于制造用于显示面板的薄膜晶体管阵列基板的方法
    • US08476633B2
    • 2013-07-02
    • US12560652
    • 2009-09-16
    • Hyeong-Suk YooHo-Jun LeeSung-ryul KimO-Sung SeoHong-Kee Chin
    • Hyeong-Suk YooHo-Jun LeeSung-ryul KimO-Sung SeoHong-Kee Chin
    • H01L29/786
    • H01L27/1288H01L27/1214H01L27/124H01L27/1248
    • A method of manufacturing a thin film transistor capable of simplifying a substrate structure and a manufacturing process is disclosed. The method of manufacturing a thin film transistor array substrate comprising a three mask process. The 3 mask process comprising, forming a gate pattern on a substrate, forming a gate insulating film on the substrate, forming a source/drain pattern and a semiconductor pattern on the substrate, forming a first, second, and third passivation film successively on the substrate. Over the above multi-layers of the passivation film forming a first photoresist pattern comprising a first portion formed on part of the drain electrode and on the pixel region, and a second portion wherein, the second portion thicker than the first portion, and then patterning the third passivation film using the first photoresist pattern, forming a second photoresist pattern by removing the first portion of the first photoresist pattern, forming a transparent electrode film on the substrate, removing the second photoresist pattern and the transparent electrode film disposed on the second photoresist pattern; and forming a transparent electrode pattern on the second passivation layer.
    • 公开了一种能够简化衬底结构和制造工艺的制造薄膜晶体管的方法。 制造包括三掩模工艺的薄膜晶体管阵列基板的方法。 3掩模工艺包括:在衬底上形成栅极图案,在衬底上形成栅极绝缘膜,在衬底上形成源极/漏极图案和半导体图案,在第一,第二和第三钝化膜上依次形成第一,第二和第三钝化膜 基质。 在上述多层钝化膜上形成第一光致抗蚀剂图案,该第一光致抗蚀剂图案包括形成在漏电极的一部分上和在像素区域上的第一部分,以及第二部分,其中第二部分比第一部分厚, 使用第一光致抗蚀剂图案的第三钝化膜,通过去除第一光致抗蚀剂图案的第一部分形成第二光致抗蚀剂图案,在基板上形成透明电极膜,去除第二光致抗蚀剂图案和设置在第二光致抗蚀剂上的透明电极膜 模式; 以及在所述第二钝化层上形成透明电极图案。