Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Hideaki Kuwabara0
Shunpei Yamazaki0
Yasuyuki Arai0
Date of Patent
June 16, 2015
0Patent Application Number
140826590
Date Filed
November 18, 2013
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A TFT is manufactured using at least five photomasks in a conventional liquid crystal display device, and therefore the manufacturing cost is high. By performing the formation of the pixel electrode 127, the source region 123 and the drain region 124 by using three photomasks in three photolithography steps, a liquid crystal display device prepared with a pixel TFT portion, having a reverse stagger type n-channel TFT, and a storage capacitor can be realized, FIG. 2.
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