Level shifter circuit and method

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United States of America Patent

PATENT NO 9881952
SERIAL NO

15146110

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Abstract

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A circuit includes a photodiode electrically coupled to a first node, the first node configured to be charged by a first power supply voltage. A second node is configured to be charged by a second power supply voltage lower than the first power supply voltage, a source follower transistor is electrically coupled between the second node and a column line, and a level shifter is electrically coupled between the first node and the second node.

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Patent Owner(s)

  • TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chou, Po-Sheng Baoshan Township, TW 34 220
Yamashita, Yuichiro Hsinchu, TW 163 2606

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