Invention Grant
- Patent Title: Optical fingerprint sensing apparatus, driver apparatus thereof and operation method
-
Application No.: US17394329Application Date: 2021-08-04
-
Publication No.: US11749014B2Publication Date: 2023-09-05
- Inventor: Jung-Chen Chung , Chi-Ting Chen
- Applicant: Novatek Microelectronics Corp.
- Applicant Address: TW Hsinchu
- Assignee: Novatek Microelectronics Corp.
- Current Assignee: Novatek Microelectronics Corp.
- Current Assignee Address: TW Hsinchu
- Agency: JCIPRNET
- Main IPC: G06V40/13
- IPC: G06V40/13 ; G06F3/042 ; G06F3/041

Abstract:
An optical fingerprint sensing apparatus, a driver apparatus, and an operation method are provided. The driver apparatus includes a display driving device and a fingerprint sensing driving device. The display driving device drives the display panel to display different frames with different luminances, and the different frames are used to generate at least one of different transmitted light intensities and different reflected light intensities. The fingerprint sensing driving device drives the display panel to perform a fingerprint capturing operation to capture a plurality of different fingerprint images of a finger under the at least one of the different transmitted light intensities and the different reflected light intensities. The different fingerprint images are processed to generate a processed fingerprint image.
Information query