公开(公告)号：US20180137337A1

公开(公告)日：2018-05-17

申请号：US15864986

申请日：2018-01-08

Applicant: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD.

Inventor： Yang ZENG ,  Qing ZHANG ,  Lihua WANG ,  Liang XiE ,  Hong DING ,  Lingxiao DU ,  Huiping CHAI ,  Kang YANG ,  Qijun YAO

IPC: G06K9/00

CPC classification number: G06K9/00087 ,  G06K9/00013

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.