Pulse signal output circuit and shift register

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United States of America Patent

PATENT NO 8369478
APP PUB NO 20110216875A1
SERIAL NO

13034246

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Abstract

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A pulse signal output circuit capable of operating stably and a shift register including the pulse signal output circuit are provided. A clock signal is supplied to one of transistors connected to a first output terminal. A power supply potential is applied to one of transistors connected to a second output terminal. Thus, power consumed by discharge and charge of the transistor included in the second output terminal can be reduced. Further, since a potential is supplied from a power source to the second output terminal, sufficient charge capability can be obtained.

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Patent Owner(s)

Patent OwnerAddress
SEMICONDUCTOR ENERGY LABORATORY CO LTDATSUGI

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Miyake, Hiroyuki Kanagawa, JP 618 25776

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