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:
Aug. 30, 2022
Filed:
Apr. 17, 2020
Applicant:
Wuhan China Star Optoelectronics Technology Co., Ltd., Wuhan, CN;
Inventors:
Guiyang Zhang, Wuhan, CN;
Guowei Zha, Wuhan, CN;
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06V 40/13 (2022.01); G02B 5/18 (2006.01);
U.S. Cl.
CPC ...
G06V 40/1318 (2022.01); G02B 5/1819 (2013.01);
Abstract
An electronic device and an optical fingerprint recognition module thereof are provided. The optical fingerprint recognition module includes: an optical component, wherein the optical component includes a substrate and a grating dielectric layer disposed on the substrate, and the grating dielectric layer includes a plurality of repeating grating units arranged in an array manner; and a fingerprint sensor, wherein the fingerprint sensor is configured to receive a light signal transmitted from the optical component, and is configured to convert the light signal into an electrical signal.