Invention Grant
- Patent Title: Display device, fingerprint recognition calibration method for display device and electronic apparatus
-
Application No.: US15864986Application Date: 2018-01-08
-
Publication No.: US10607061B2Publication Date: 2020-03-31
- Inventor: Yang Zeng , Qing Zhang , Lihua Wang , Liang Xie , Hong Ding , Lingxiao Du , Huiping Chai , Kang Yang , Qijun Yao
- Applicant: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD.
- Applicant Address: CN Shanghai
- Assignee: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD.
- Current Assignee: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD.
- Current Assignee Address: CN Shanghai
- Agency: Alston & Bird LLP
- Priority: CN201710930072 20171009
- Main IPC: G06K9/00
- IPC: G06K9/00

Abstract:
A display device, a fingerprint recognition calibration method for the display device and an electronic apparatus are disclosed. The fingerprint recognition calibration method includes: for any fingerprint recognition unit, during an initial calibration, displaying a first image by the display panel and acquiring a bright screen calibration fingerprint data by the fingerprint recognition unit and not displaying any image by the display panel and acquiring a dark screen calibration fingerprint data by the fingerprint recognition unit; during a fingerprint recognition, displaying the first image by the display panel and acquiring a bright screen fingerprint data by the fingerprint recognition unit; and performing calibration according to a calibration formula to obtain a calibrated fingerprint recognition data by the fingerprint recognition unit.
Public/Granted literature
- US20180137337A1 DISPLAY DEVICE, FINGERPRINT RECOGNITION CALIBRATION METHOD FOR DISPLAY DEVICE AND ELECTRONIC APPARATUS Public/Granted day:2018-05-17
Information query