Multifunction fingerprint sensor with light detection to prevent forgery of fingerprint

摘要

The fingerprint sensor device includes a touch panel having an integrated touch sensor module, the integrated touch sensor module (23) comprising a sensing circuit (2) for generating a sensor signal in response to detecting a touch input associated with the fingerprint , Said sensing circuit (2) comprising: a capacitive fingerprint sensor (3) for detecting a touch input and producing a signal indicative of an image of the fingerprint as part of the sensor signal; An optical biometric sensor for generating a signal indicative of a biometric identifier different from the fingerprint as part of the sensor signal; And a processing circuit (5) coupled to the sensing circuit (2) for processing the generated sensor signal to determine whether the touch input associated with the fingerprint belongs to a living person's finger. This leads to a higher level of safety.