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:
Oct. 19, 2021
Filed:
Apr. 09, 2020
Huawei Technologies Co., Ltd., Shenzhen, CN;
Danhong Li, Dongguan, CN;
HUAWEI TECHNOLOGIES CO., LTD, Shenzhen, CN;
Abstract
A method for unlocking a screen by using a fingerprint includes: sending, by a fingerprint sensor, a first notification to a control chip and concurrently sending a second notification to a display driver chip of a screen when detecting that a finger presses or touches a fingerprint recognition area; completing, by the display driver chip according to the second notification, preparation work before the screen is turned on; verifying, by the control chip according to the first notification, fingerprint information collected by the fingerprint sensor and pre-stored fingerprint information; and if the verification succeeds, unlocking the screen and turning on the screen.