Photo-detecting circuit, driving method thereof and flat panel detector

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 11215716
APP PUB NO 20210333419A1
SERIAL NO

16497287

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Abstract

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A photo-detecting circuit including a photosensitive detector configured to accumulate photo-generated charges at a first node upon irradiation by light, a transfer circuit configured to establish a current path to the first node in response to a first scan signal being active, an integrating circuit configured to selectively operate in a first mode in which the integrating circuit operates as an integrator to integrate a photocurrent and transfer an integration result to a second node for readout or a second mode in which the first input terminal of the integrating circuit is in conduction with the second node, and a reset circuit configured to selectively supply a first voltage or a second voltage to the second input terminal of the integrating circuit as a reference voltage. The second voltage is greater than the first voltage.

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Patent Owner(s)

  • BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.; BOE TECHNOLOGY GROUP CO. LTD.

International Classification(s)

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  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Guo, Lei Beijing, CN 241 1504
Song, Yong Beijing, CN 72 217
Wang, Zhiyong Beijing, CN 185 715
Xu, Shuai Beijing, CN 75 146

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