Ladas & Parry LLP
Fingerprint detection circuit and display device
Disclosed is a fingerprint detection circuit and a display device. The fingerprint detection circuit comprises at least one fingerprint detection unit, the fingerprint detection unit comprising a switch transistor and a sensor capacitor, the fingerprint detection unit further comprising an output amplification element and a data input terminal for receiving a data signal, wherein a control terminal of the output amplification element is coupled with a terminal of the sensor capacitor, an output terminal of the output amplification element functions as an output terminal of the fingerprint detection unit, an input terminal of the output amplification element is coupled with the data input terminal, the output amplification element is configured for amplifying and outputting a current input to the output amplification element via the data input terminal.
BOE TECHNOLOGY GROUP CO., LTD. BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
G
G06V
inventional
Haisheng Xue Shengji Wei Changfeng Weijie Hailin Xiaoliang Hongjuan Yingming Xiaochuan Pengpeng
Wang Dong Yang Liu Li Zhao Xue Ding Liu Liu Chen Wang