Semiconductor display device and manufacturing method thereof

Liquid crystal cells – elements and systems – Particular excitation of liquid crystal – Electrical excitation of liquid crystal

Reexamination Certificate

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C349S138000

Reexamination Certificate

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09809646

ABSTRACT:
A highly reliable semiconductor display device is provided. The semiconductor display device has a channel forming region, an LDD region, and a source region and a drain region in a semiconductor layer, and the LDD region overlaps with a first gate electrode, sandwiching a gate insulating film.

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