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:
Apr. 12, 2022
Filed:
Nov. 04, 2020
Applicant:
Novatek Microelectronics Corp., Hsin-Chu, TW;
Inventors:
Ping Liu, Hsinchu, TW;
Wu-Wei Lin, Taoyuan, TW;
Assignee:
NOVATEK Microelectronics Corp., Hsin-Chu, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06V 40/10 (2022.01); G06V 20/40 (2022.01); H04L 67/12 (2022.01); G09G 3/36 (2006.01); G06V 10/147 (2022.01); G06V 40/13 (2022.01); G06V 40/12 (2022.01);
U.S. Cl.
CPC ...
G06V 20/46 (2022.01); G06V 10/147 (2022.01); G06V 40/1318 (2022.01); G06V 40/1347 (2022.01); G09G 3/3614 (2013.01); H04L 67/12 (2013.01);
Abstract
The present invention provides a method of a control circuit for controlling a fingerprint sensing operation of a display panel. The fingerprint sensing operation includes a reset operation, an exposure operation and a sample operation. The method includes steps of: performing the reset operation, the exposure operation and the sample operation of a fingerprint sensing cycle during a display frame interval in which a polarity of display data voltage on the display panel remains unchanged; and adjusting an exposure time of the exposure operation to be within the display frame interval.