Image sensor

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United States of America Patent

PATENT NO 11532654
APP PUB NO 20210134865A1
SERIAL NO

16848208

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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An image sensor includes a pixel array including first pixels and second pixels, each of the first and second pixels including photodiodes, a sampling circuit detecting a reset voltage and a pixel voltage from the first and second pixels and generating an analog signal, an analog-to-digital converter image data from the analog signal, and a signal processing circuit generating an image using the image data. Each of the first pixels includes a first conductivity-type well separating the photodiodes and having impurities of a first conductivity-type. The photodiodes have impurities of a second conductivity-type different from the first conductivity-type. Each of the second pixels includes a second conductivity-type well separating the photodiodes and having impurities of the second conductivity-type different from the first conductivity-type. A potential level of the second conductivity-type well is higher than a potential level of the first conductivity-type well.

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Patent Owner(s)

  • SAMSUNG ELECTRONICS CO. LTD.

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Choi, Sungsoo Hwaseong-si, KR 19 79
Lee, Kyungho Suwon-si, KR 113 312
Shim, Eunsub Hwaseong-si, KR 33 33

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