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:
Mar. 07, 2023
Filed:
Oct. 25, 2019
Applicant:
Visera Technologies Company Limited, Hsin-Chu, TW;
Inventors:
Wei-Ko Wang, Taoyuan, TW;
Yi-Hua Chiu, Hsinchu, TW;
Assignee:
VISERA TECHNOLOGIES COMPANY LIMITED, Hsin-Chu, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06V 40/13 (2022.01); H01L 27/146 (2006.01); G06V 40/12 (2022.01);
U.S. Cl.
CPC ...
G06V 40/1318 (2022.01); G06V 40/1365 (2022.01); H01L 27/14623 (2013.01); H01L 27/14627 (2013.01);
Abstract
An optical fingerprint sensor is provided. The optical fingerprint sensor includes a substrate, a plurality of light-shielding layers and a plurality of groups of microlenses. The substrate has a plurality of photoelectric conversion units disposed therein. The light-shielding layers are sequentially disposed on the substrate. Each light-shielding layer includes a plurality of apertures formed therein. Each group of microlenses is disposed above the apertures formed in an uppermost light-shielding layer and overlies one photoelectric conversion unit.