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:
Jun. 08, 2021
Filed:
Dec. 10, 2018
Fingerprint Cards Ab, Gothenburg, SE;
Fingerprint Cards AB, Göteborg, SE;
Abstract
There is provided a biometric imaging device configured to be arranged under an at least partially transparent display panel and configured to capture an image of an object in contact with an outer surface of the display panel. The biometric imaging device comprises: an image sensor comprising a photodetector pixel array; a transparent substrate arranged to cover the image sensor; an opaque layer covering an upper surface of the transparent substrate, wherein the opaque layer further comprises a plurality of separate openings; and a plurality of microlenses, each microlens being arranged in alignment with a respective opening of the opaque layer; wherein each microlens is configured to redirect light through the transparent substrate and onto a subarray of pixels in the photodetector pixel array.