High dynamic range storage gate pixel circuitry

High dynamic range storage gate pixel circuitry

Image sensors may include image sensor pixels that support high dynamic range (HDR) global shutter function. An image sensor pixel may include a photodiode that is coupled to multiple storage gate nodes via respective charge transfer gates. Each of the multiple storage gate nodes may be configured t...

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Hauptverfasser: McCarten, John P, Kaser, Robert, Doan, Hung Q
Format: Patent
Sprache:eng
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ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
PICTORIAL COMMUNICATION, e.g. TELEVISION
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creator McCarten, John P
Kaser, Robert
Doan, Hung Q
description Image sensors may include image sensor pixels that support high dynamic range (HDR) global shutter function. An image sensor pixel may include a photodiode that is coupled to multiple storage gate nodes via respective charge transfer gates. Each of the multiple storage gate nodes may be configured to store charge corresponding to different exposure periods. The storage gate nodes may be coupled in parallel or in series with the photodiode. Charge from the different exposure times can then be merged to produce a high dynamic range image signal.
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subjects ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
PICTORIAL COMMUNICATION, e.g. TELEVISION
title High dynamic range storage gate pixel circuitry
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