PHOTOCURRENT AMPLIFICATION CIRCUIT, AMPLIFICATION CONTROL METHOD, OPTICAL DETECTION MODULE AND DISPLAY APPARATUS
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United States of America
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Issued Date -
Nov 14, 2024
app pub date -
Jan 25, 2022
filing date -
Jan 25, 2022
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Abstract
A photocurrent amplification circuit, an amplification control method, an optical detection module and a display apparatus are provided, where the photocurrent amplification circuit includes a photoelectric sensor, a compensation circuit, a reset circuit, an energy storage circuit and a drive circuit, and the photoelectric sensor is configured to sense the optical signal and convert the optical signal into the photocurrent signal; the compensation circuit controls the communication between the control terminal of the drive circuit and the first terminal of the drive circuit under the control of the compensation control signal; the reset circuit controls the communication between the first voltage terminal and the control terminal of the drive circuit under the control of the reset control signal.
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