The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 16, 2023
Filed:
Sep. 11, 2020
Beijing Boe Display Technology Co., Ltd., Beijing, CN;
Boe Technology Group Co., Ltd., Beijing, CN;
Wenkai Mu, Beijing, CN;
Yi Liu, Beijing, CN;
Xinlan Yang, Beijing, CN;
Shijun Wang, Beijing, CN;
Yingzi Wang, Beijing, CN;
Beijing BOE Display Technology Co., Ltd., Beijing, CN;
BOE Technology Group Co., Ltd., Beijing, CN;
Abstract
Embodiments of the present disclosure provide a fingerprint recognition circuit, a driving method therefor, a display panel, and a display device. The fingerprint recognition circuit includes: a photosensitive detection circuit, coupled to a bias control signal terminal and configured to receive light reflected from a fingerprint and generate a control signal; a reset control circuit, coupled to a reset signal terminal, a first control terminal, and the photosensitive detection circuit respectively, and configured to provide a signal of the reset signal terminal to the photosensitive detection circuit under control of the first control terminal; and a signal reading circuit, coupled to the photosensitive detection circuit, a power supply terminal, a second control terminal, and a signal output terminal respectively, and configured to output a corresponding fingerprint recognition signal according to the control signal under control of the second control terminal.