Nath, Goldberg & Meyer
Fingerprint detection circuit and driving method thereof, and display device
Disclosed is a fingerprint detection circuit comprising at least one fingerprint detection unit, a high level signal line, a low level signal line and an output unit, the fingerprint detection unit includes a charging switch, a discharging switch and an input energy storing unit. An output terminal of the charging switch is connected to an input terminal of the discharging switch, a cathode of the photodiode is electrically connected to an input terminal of the charging switch, an output terminal of the discharging switch serves as an output terminal of the fingerprint detection unit, one terminal of the input energy storing unit is electrically connected to the output terminal of the charging switch, the other terminal of the input energy storing unit is electrically connected to the low level signal line, an input terminal of the output unit is electrically connected to the output terminal of the fingerprint detection unit.
BOE TECHNOLOGY GROUP CO., LTD. BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.
G
G06V
inventional
Changfeng Wei Xiaoliang Haisheng Tao Yingming Pengpeng Xiaochuan Xue
Li Liu Ding Wang Ren Liu Wang Chen Dong