Fingerprint recognition unit circuit, control method therefor, and fingerprint recognition apparatus

A fingerprint recognition device, comprising:

• a glass substrate;
• and
• a plurality of fingerprint recognition unit circuits, wherein an array of detection electrodes of the plurality of fingerprint recognition unit circuits are distributed on the glass substrate, and each of the plurality of fingerprint recognition unit circuits comprises:
• a read line;
• a signal scan terminal;
• a first power supply terminal;
• a second power supply terminal;
• a third power supply terminal;
• a first signal terminal;
• a second signal terminal;
• a detection electrode configured to contact a surface of a finger to generate an induction capacitance;
• an output unit connected to the detection electrode, the signal scan terminal, the first power supply terminal and the read line and configured to detect the induction capacitance, generate a current signal, and transmit the current signal to the read line;
• a threshold compensation unit connected to the second power supply terminal, the first signal terminal, the detection electrode and the output unit and configured to compensate for a threshold voltage of the output unit;
• and
• a reset unit connected to the third power supply terminal, the second signal terminal and the detection electrode and configured to reset the detection electrode.