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Thin film transistor array substrate having a gate electrode comprising two conductive layers
专利权人:
Samsung Display Co., Ltd.
发明人:
Kim Myounghwa,Kang Jaewook,Jeon Joohee,Lee Jongchan,Khang Yoonho
申请号:
US201514721505
公开号:
US9748282(B2)
申请日:
2015.05.26
申请国别(地区):
美国
年份:
2017
代理人:
H.C. Park & Associates, PLC
摘要:
Provided is a thin film transistor array substrate having at least one thin film transistor. The thin film transistor includes a semiconductor layer having a channel area with a first doping concentration on a substrate, a source-drain area disposed at opposite sides of the channel area and with a second doping concentration greater than the first doping concentration, and a substantially undoped area extending from the source-drain area. The substrate has a gate insulating layer on the semiconductor layer and a gate electrode disposed on the gate insulating layer and overlapping the channel area in at least some portions. The substrate has a source electrode and a drain electrode, each insulated from the gate electrode and electrically connected to the source-drain area. The gate electrode includes a first gate electrode layer and a second gate electrode layer, wherein the second gate electrode layer is thicker than the first gate electrode layer.
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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