Invention Grant
- Patent Title: Method for controlling display panel and control circuit using the same
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Application No.: US17089667Application Date: 2020-11-04
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Publication No.: US11302102B2Publication Date: 2022-04-12
- Inventor: Ping Liu , Wu-Wei Lin
- Applicant: NOVATEK Microelectronics Corp.
- Applicant Address: TW Hsin-Chu
- Assignee: NOVATEK Microelectronics Corp.
- Current Assignee: NOVATEK Microelectronics Corp.
- Current Assignee Address: TW Hsin-Chu
- Agent Winston Hsu
- Main IPC: G06V40/10
- IPC: G06V40/10 ; G06V20/40 ; H04L67/12 ; G09G3/36 ; G06V10/147 ; G06V40/13 ; G06V40/12
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.
Public/Granted literature
- US20210224505A1 Method for controlling display panel and control circuit using the same Public/Granted day:2021-07-22
Information query
