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:
Nov. 16, 2021
Filed:
Sep. 26, 2020
Shenzhen Goodix Technology Co., Ltd., Shenzhen, CN;
Lianghui Xie, Shenzhen, CN;
Weiwen Chen, Shenzhen, CN;
SHENZHEN GOODIX TECHNOLOGY CO., LTD., Shenzhen, CN;
Abstract
Provided are an optical fingerprint apparatus and an electronic device, the optical fingerprint apparatus includes: a light directing layer configured to direct a light signal returned from a finger above the display screen to an optical sensing array along at least two directions, where the at least two directions are oblique with respect to the display screen, and projections of the at least two directions on the display screen are at different angles with a polarization direction of the display screen; and the optical sensing array including a plurality of sensing unit groups, where light signals in the at least two directions are used to obtain a fingerprint image of the finger, and a difference between the light signals in the at least two directions received by the sensing unit group is used to determine whether the finger is a real finger.