Abstract: 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.

Abstract: A capacitance detecting device for fingerprint identification and a fingerprint identification apparatus are provided. The device includes a conductive border; a detecting screen, comprising: a plurality of detecting units, in which each detecting unit includes: a first conductive layer, a second conductive layer, a third conductive layer and a fourth conductive layer; a detecting module, configured to charge a sensing capacitance between the first conductive layer and a finger in contact with the detecting screen and a feedback capacitance between the first conductive layer and the second conductive layer at a sampling stage, to control electric charges of the sensing capacitance and the feedback capacitance to transfer to an integrating capacitance between the third conductive layer and the fourth conductive layer at an integral stage, to measure a voltage variation of the integrating capacitance at the integral stage and to calculate the sensing capacitance according to the voltage variation.

Abstract: A capacitance detecting device for fingerprint identification and a fingerprint identification apparatus are provided. The device includes a conductive border; a detecting screen, comprising: a plurality of detecting units, in which each detecting unit includes: a first conductive layer, a second conductive layer, a third conductive layer and a fourth conductive layer; a detecting module, configured to charge a sensing capacitance between the first conductive layer and a finger in contact with the detecting screen and a feedback capacitance between the first conductive layer and the second conductive layer at a sampling stage, to control electric charges of the sensing capacitance and the feedback capacitance to transfer to an integrating capacitance between the third conductive layer and the fourth conductive layer at an integral stage, to measure a voltage variation of the integrating capacitance at the integral stage and to calculate the sensing capacitance according to the voltage variation.

Abstract: 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.