Ultrasonic fingerprint detection circuit, ultrsonic fingerprint detection method, and display apparatus

An ultrasonic fingerprint detection assembly, comprising:

• an ultrasonic fingerprint detection circuit;
• and
• a living body detection circuit,
• wherein the ultrasonic fingerprint detection circuit comprises a plurality of ultrasonic sensors distributed in an array mode, and the plurality of the ultrasonic sensors comprises first electrodes and second electrodes opposite the first electrodes respectively, and
• the living body detection circuit is configured to carry out living body detection at a rest stage of the ultrasonic fingerprint detection circuit.