Active solid-state devices (e.g. – transistors – solid-state diode – Non-single crystal – or recrystallized – semiconductor... – Field effect device in non-single crystal – or...
Reexamination Certificate
2006-03-24
2008-08-19
Hoang, Quoc D (Department: 2892)
Active solid-state devices (e.g., transistors, solid-state diode
Non-single crystal, or recrystallized, semiconductor...
Field effect device in non-single crystal, or...
C257S408000, C257SE27100, C257SE29151, C257SE21094, C438S149000
Reexamination Certificate
active
07414266
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 electrode127, the source region123and the drain region124by 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.
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Arai Yasuyuki
Kuwabara Hideaki
Yamazaki Shunpei
Hoang Quoc D
Robinson Eric J.
Robinson Intellectual Property Law Office P.C.
Semiconductor Energy Laboratory Co,. Ltd.
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