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:
Jul. 20, 2021
Filed:
Sep. 05, 2017
Micrometrics Technologies Pte. Ltd., Singapore, SG;
Hiroshi Ishibe, Kyoto, JP;
MICROMETRICS TECHNOLOGIES PTE. LTD., Primz Bizhub, SG;
Abstract
To provide a fingerprint authentication sensor module having a simple configuration, high resolution, and a high authentication rate. A fingerprint authentication device includes a cover glass on which a finger is to be placed and a fingerprint authentication sensor module placed under the cover glass. The fingerprint authentication sensor module includes an image forming unit, a first glass portion placed under the image forming unit, and an image sensor placed under the first glass portion. The image forming unit includes an array of a plurality of microlenses and light-shielding portions that surround each of the plurality of microlenses and that limit light entering the array of the plurality of microlenses.