Gamma voltage generating circuit, driver circuit and display device

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11380282
APP PUB NO 20210134239A1
SERIAL NO

17044206

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Abstract

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A gamma voltage generating circuit includes N gamma voltage generating sub-circuits. Each gamma voltage generating sub-circuit includes a resistive voltage divider circuit and a plurality of gamma reference voltage output terminals. Each resistive voltage divider circuit includes a plurality of resistors connected in series, and any two resistive voltage divider circuits have a same resistance ratio of the plurality of resistors. The N gamma voltage generating sub-circuits include a first gamma voltage generating sub-circuit. The first gamma voltage generating sub-circuit further includes a gamma voltage generation circuit. Output terminals of the gamma voltage generation circuit are electrically connected to a highest gamma reference voltage output terminal and a lowest gamma reference voltage output terminal, respectively. Highest gamma reference voltage output terminals of the gamma voltage generating sub-circuits are connected, and lowest gamma reference voltage output terminals of the gamma voltage generating sub-circuits are connected.

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Patent Owner(s)

  • BOE TECHNOLOGY GROUP CO. LTD.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Wang, Wenbo Beijing, CN 135 1033

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