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.

Date of Patent:
Apr. 04, 2023

Filed:

Jul. 08, 2021
Applicant:

Samsung Display Co., Ltd., Yongin-si, KR;

Inventors:

Keum Dong Jung, Seoul, KR;

Il Nam Kim, Hwaseong-si, KR;

Kyung Tea Park, Seoul, KR;

Jin Oh Kwag, Suwon-si, KR;

Won Sang Park, Yongin-si, KR;

Sung Chan Jo, Seoul, KR;

Assignee:

SAMSUNG DISPLAY CO., LTD., Yongin-si, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06V 40/13 (2022.01); G06V 40/12 (2022.01);
U.S. Cl.
CPC ...
G06V 40/1306 (2022.01); G06V 40/1329 (2022.01); G06V 40/1359 (2022.01); G06V 40/1365 (2022.01); G06V 40/1382 (2022.01);
Abstract

A fingerprint recognition device including: a sensing panel including a plurality of sensing blocks, wherein each of the sensing blocks includes a plurality of sensors; a scan driving unit configured to provide a scan signal to the sensors; and a timing controller configured to provide a second initiation signal to the scan driving unit, wherein each of the sensors includes a reference capacitor and a sensing capacitor, the scan driving unit includes scan drivers that correspond to rows of the sensing blocks, in a fingerprint recognition mode, the timing controller provides the second initiation signal to a scan driver corresponding to a sensing block where a touch input is generated, and in a touch mode, the timing controller sequentially provides the second initiation signal to the scan drivers.


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