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:
Sep. 15, 2020
Filed:
May. 16, 2019
Shenzhen Goodix Technology Co., Ltd., Shenzhen, CN;
Fangfang Qiu, Shenzhen, CN;
Li Huang, Shenzhen, CN;
SHENZHEN GOODIX TECHNOLOGY CO., LTD., Shenzhen, CN;
Abstract
Embodiments of the present application provide a fingerprint detection device and method and an electronic device. The fingerprint detection device is disposed under a display screen of an electronic device, and includes an optical component and an optical sensor, the optical component is configured to direct or converge a fingerprint detection signal to the optical sensor, the optical sensor is configured to detect corresponding fingerprint information according to the fingerprint detection signal, the fingerprint detection signal is a reflected light signal formed by a light signal corresponding to a predetermined pattern formed in a fingerprint detection area of the display screen being reflected by a user's finger, and the predetermined pattern includes a first pattern and a second pattern; a signal intensity of a first light signal corresponding to the first pattern is smaller than a signal intensity of a second light signal corresponding to the second pattern.