公开(公告)号：US11321958B2

公开(公告)日：2022-05-03

申请号：US16726834

申请日：2019-12-25

Applicant: Novatek Microelectronics Corp.

Inventor： Cho-Hsuan Jhang ,  Shih-Cheng Chen ,  Su-Wei Lien ,  Chih-Peng Hsia ,  Shiang-Fei Wang

IPC: G06K9/00 ,  G06F3/044 ,  G06F3/041 ,  G06V40/13

Abstract: An electronic device and a fingerprint sensing control method thereof are provided. The electronic device includes a touch control circuit and a fingerprint sensing control circuit. The touch control circuit is coupled to the display panel. The touch control circuit performs touch detection on the display panel to obtain a finger press area corresponding to the finger on the display panel. The fingerprint sensing control circuit is coupled to the touch control circuit to obtain a finger press area. The fingerprint sensing control circuit is coupled to the display panel to perform a fingerprint sensing control on a display panel. The fingerprint sensing control circuit scans the finger press area on the display panel in a first direction during a first period and scans the finger press area in a second direction different from the first direction during a second period after the first period.

公开(公告)号：US10775926B2

公开(公告)日：2020-09-15

申请号：US16708351

申请日：2019-12-09

Applicant: NOVATEK Microelectronics Corp.

Inventor： Cho-Hsuan Jhang ,  Chih-Peng Hsia ,  He-Jen Chen

IPC: G06F3/041 ,  G06K9/00

Abstract: An electronic device, capable of performing a touch sensing operation and a fingerprint sensing operation simultaneously, is provided. The electronic device comprises a touch sensing control circuit; and a fingerprint sensing control circuit; wherein the touch sensing control circuit senses a first touch on a sensing region of a panel, and the touch sensing control circuit provides a first location information corresponding to the first touch; wherein a fingerprint region is determined in the sensing region according to the first location information, and the fingerprint region encompasses a location of the first touch; wherein the fingerprint sensing control circuit performs the fingerprint sensing operation on the fingerprint region during a first sensing time, and the electronic device performs the touch sensing operation on the sensing region except the fingerprint region during the first sensing time.

公开(公告)号：US20200210065A1

公开(公告)日：2020-07-02

申请号：US16726250

申请日：2019-12-24

Applicant: Novatek Microelectronics Corp.

Inventor： Shih-Cheng Chen ,  Cho-Hsuan Jhang ,  Chih-Peng Hsia ,  Shiang-Fei Wang ,  Su-Wei Lien

IPC: G06F3/041 ,  G06K9/00 ,  G06F3/042 ,  G06K9/20

Abstract: An electronic device and a fingerprint sensing control method thereof are provided. A sensing region of a display panel is divided into a plurality of fingerprint zones. The electronic device determines at least one target fingerprint zone from the fingerprint zones according to a touched area. The electronic device scans the at least one target fingerprint zone for performing fingerprint sensing. The electronic device performs an accelerated reading operation. The accelerated reading operation includes: reading at least one sensing signal from the at least one target fingerprint zone; and skipping reading at least one of the fingerprint zones other than the at least one target fingerprint zone among the fingerprint zones.