Sensor For Detecting Fingerprint And Identification Apparatus And Controlling Method Of Sensor For Detecting Fingerprint

摘要

A sensor for detecting a fingerprint, a fingerprint identification apparatus and a controlling method of a sensor for detecting a fingerprint are provided. The sensor for detecting the fingerprint includes a detecting panel including: a detecting region with a plurality of detecting units, in which the plurality of detecting units are distributed in a plurality rows and columns on the detecting region; and a conductive layer, configured to form a sensing capacitance between the conductive layer and a finger when the finger is close to the detecting region; a capacitance detecting module, configured to detect the sensing capacitance; and a control module.

主权项

1. A sensor for detecting a fingerprint, comprising:
a detecting panel, comprising:
a detecting region with a plurality of detecting units, wherein the plurality of detecting units are distributed in a plurality of rows and columns in the detecting region; anda conductive layer, configured to form a sensing capacitance between the conductive layer and a finger when the finger is close to the detecting region; a capacitance detecting module, configured to detect the sensing capacitance; and a control module, connected with the plurality of detecting units, the conductive layer and the capacitance detecting module respectively and configured to:
determine whether a distance between the finger and the plurality of detecting units is less than a predetermined threshold according to a change trend of the sensing capacitance; andcontrol the plurality of detecting units to scan the fingerprint when the distance between the finger and the plurality of detecting units is less than the predetermined threshold.