Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Shunpei Yamazaki0
Hideto Ohnuma0
Koichiro Tanaka0
Naoto Kusumoto0
Date of Patent
October 19, 2010
0Patent Application Number
120410140
Date Filed
March 3, 2008
0Patent Primary Examiner
Patent abstract
A TFT having a high threshold voltage is connected to the source electrode of each TFT that constitutes a CMOS circuit. In another aspect, pixel thin-film transistors are constructed such that a thin-film transistor more distant from a gate line drive circuit has a lower threshold voltage. In a further aspect, a control film that is removable in a later step is formed on the surface of the channel forming region of a TFT, and doping is performed from above the control film.
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