Semiconductor device having at least first and second thin film transistors

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United States of America Patent

PATENT NO 7253440
SERIAL NO

09342235

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Abstract

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A semiconductor device having a substrate having an insulating surface; at least first and second semiconductor islands formed over the substrate where each of the semiconductor islands has a channel region and a pair of impurity regions; an insulating film formed over the substrate, the insulating film including at least first and second gate insulating films formed over the first and second semiconductor islands, respectively; at least first and second gate electrodes formed over the first and second semiconductor islands with the first and second gate insulating films interposed therebetween; a wiring formed on the insulating film for electrically connecting one of the impurity regions of the first semiconductor island with the second gate electrode where said wiring is connected to the one of the impurity regions through a hold opened in the insulating film; an interlayer insulating film formed over the first and second semiconductor islands, the first and second gate electrodes and the wiring; and a pixel electrode formed over the interlayer insulating film electrically connected to one of the pair of the impurity regions of the second semiconductor island.

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Patent Owner(s)

Patent OwnerAddress
SEMICONDUCTOR ENERGY LABORATORY CO LTDJAPAN'S KANAGAWA PREFECTURE ATSUGI CITY ATSUGI-SHI KANAGAWA

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Takemura, Yasuhiko Kanagawa, JP 582 31804

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