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. 29, 2021
Filed:
Oct. 03, 2019
Applicant:
Himax Technologies Limited, Tainan, TW;
Inventors:
Assignee:
Hirnax Technologies Limited, Tainan, TW;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G06K 9/00 (2006.01); H04L 9/32 (2006.01); G06F 21/32 (2013.01); G06F 3/041 (2006.01);
U.S. Cl.
CPC ...
G06K 9/0002 (2013.01); G06F 21/32 (2013.01); H04L 9/3231 (2013.01); G06F 3/0412 (2013.01);
Abstract
A fingerprint sensor embedded in a flat-panel display includes photo sensors; select transistors that are correspondingly connected in series with the photo sensors respectively; switch transistors that are correspondingly connected in series with the select transistors respectively, but are correspondingly connected in parallel with the photo sensors respectively; and a detection circuit that detects a signal passing one turned-on select transistor.