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    • 1. 发明申请
    • TFT SUBSTRATE AND METHOD FOR MANUFACTURING SAME
    • TFT基板及其制造方法
    • US20140103342A1
    • 2014-04-17
    • US14124178
    • 2012-05-29
    • Yudai TakanishiMasao MoriguchiYohsuke KanzakiTakatsugu Kusumi
    • Yudai TakanishiMasao MoriguchiYohsuke KanzakiTakatsugu Kusumi
    • H01L29/786H01L29/66
    • H01L29/78606H01L27/1225H01L29/66742H01L29/66969H01L29/7869
    • A method of manufacturing a TFT substrate includes: forming a gate electrode (12) and a gate insulating film (30) on a substrate (8); forming a source electrode (14) and a drain electrode (15) at a gap from each other on the gate insulating film (30), and forming a drain connection part (16); forming, after the step of forming the source electrode and the drain electrode, an oxide semiconductor layer (18, 18a, 18b) that contains a channel portion connecting the source electrode (14) to the drain electrode (15) and that contains an additional portion (18a) covering the drain connection part (16); oxidizing a surface of the oxide semiconductor layer (18, 18a, 18b); forming a contact hole (22) in an insulating film (32) that covers the oxide semiconductor layer; removing a portion of the additional portion (18a) of the oxide semiconductor layer that is located inside the contact hole (22); and forming a conductive layer (20) that electrically connects the drain connection part (16) that has been exposed.
    • 制造TFT基板的方法包括:在基板(8)上形成栅极(12)和栅极绝缘膜(30); 在所述栅极绝缘膜(30)上形成彼此间隔开的源极(14)和漏极(15),形成漏极连接部(16)。 在形成所述源电极和所述漏电极的步骤之后,形成包含将所述源电极(14)连接到所述漏电极(15)的沟道部分的氧化物半导体层(18,18a,18b),所述沟道部分包含附加 (18a)覆盖所述排水连接部(16)。 氧化氧化物半导体层(18,18a,18b)的表面; 在覆盖氧化物半导体层的绝缘膜(32)中形成接触孔(22); 去除位于接触孔(22)内的氧化物半导体层的附加部分(18a)的一部分; 以及形成电连接已经暴露的漏极连接部分(16)的导电层(20)。
    • 4. 发明授权
    • TFT substrate and method for manufacturing same
    • TFT基板及其制造方法
    • US08900914B2
    • 2014-12-02
    • US14124178
    • 2012-05-29
    • Yudai TakanishiMasao MoriguchiYohsuke KanzakiTakatsugu Kusumi
    • Yudai TakanishiMasao MoriguchiYohsuke KanzakiTakatsugu Kusumi
    • H01L29/10H01L29/786H01L27/12H01L29/66
    • H01L29/78606H01L27/1225H01L29/66742H01L29/66969H01L29/7869
    • A method of manufacturing a TFT substrate includes: forming a gate electrode (12) and a gate insulating film (30) on a substrate (8); forming a source electrode (14) and a drain electrode (15) at a gap from each other on the gate insulating film (30), and forming a drain connection part (16); forming, after the step of forming the source electrode and the drain electrode, an oxide semiconductor layer (18, 18a, 18b) that contains a channel portion connecting the source electrode (14) to the drain electrode (15) and that contains an additional portion (18a) covering the drain connection part (16); oxidizing a surface of the oxide semiconductor layer (18, 18a, 18b); forming a contact hole (22) in an insulating film (32) that covers the oxide semiconductor layer; removing a portion of the additional portion (18a) of the oxide semiconductor layer that is located inside the contact hole (22); and forming a conductive layer (20) that electrically connects the drain connection part (16) that has been exposed.
    • 制造TFT基板的方法包括:在基板(8)上形成栅极(12)和栅极绝缘膜(30); 在所述栅极绝缘膜(30)上形成彼此间隔开的源极(14)和漏极(15),形成漏极连接部(16)。 在形成所述源电极和所述漏电极的步骤之后,形成包含将所述源电极(14)连接到所述漏电极(15)的沟道部分的氧化物半导体层(18,18a,18b),所述沟道部分包含附加 (18a)覆盖所述排水连接部(16)。 氧化氧化物半导体层(18,18a,18b)的表面; 在覆盖氧化物半导体层的绝缘膜(32)中形成接触孔(22); 去除位于接触孔(22)内的氧化物半导体层的附加部分(18a)的一部分; 以及形成电连接已经暴露的漏极连接部分(16)的导电层(20)。