Active matrix substrate and display device

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11749222
APP PUB NO 20200211489A1
SERIAL NO

16642090

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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The active matrix substrate includes a demultiplexer circuit disposed in a peripheral region. Unit circuits of the demultiplexer circuit each distribute a display signal from one signal output line to n source bus lines (n: two or greater). Each unit circuit includes n branch lines and n switching TFTs configured to perform individual on/off control of electrical connections of the branch lines to the source bus lines. The demultiplexer circuit includes a plurality of boost circuits each configured to boost a voltage applied to a gate electrode of a corresponding one of the switching TFTs. Each boost circuit includes: a set-and-reset unit configured to perform set operation of pre-charging a node connected to the gate electrode and reset operation of resetting the potential of the node at different timings; and a boost unit configured to perform boost operation of boosting the potential of the node pre-charged by the set operation.

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First Claim

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Patent Owner(s)

  • SHARP KABUSHIKI KAISHA

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Yamamoto, Kaoru Sakai, JP 230 5218

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