Drive circuit for adjusting a voltage required for aging detection using a feedback circuit, and display panel

A display panel comprising:

• a display area for displaying according to a drive signal, and
• a peripheral circuit area electrically connected with the display area for supplying power to the display area and providing the drive signal;
• wherein the peripheral circuit area comprises a drive circuit, and the drive circuit comprises:
• a drive chip for outputting a working voltage;
• a detection signal generation circuit for receiving a trigger signal and generating a detection control signal for an aging detection according to the trigger signal;
• and
• a feedback circuit, a first input terminal of the feedback circuit being electrically connected with a voltage output terminal of the drive chip, a second input terminal of the feedback circuit being electrically connected with an output terminal of the detection signal generation circuit, an output terminal of the feedback circuit being electrically connected with a feedback voltage input terminal of the drive chip, the feedback circuit being configured for receiving the detection control signal output by the detection signal generation circuit and the working voltage provided by the drive chip, generating a feedback voltage according to the detection control signal and the working voltage and output the feedback voltage to the drive chip, thereby the drive chip adjusting the working voltage to a voltage required for the aging detection according to the feedback voltage,
• wherein the feedback circuit comprises:
• an adjustment branch electrically connected with the voltage output terminal of the drive chip through the first input terminal of the feedback circuit, and electrically connected with the feedback voltage input terminal of the drive chip through the output terminal of the feedback circuit, the adjustment branch being configured for generating the feedback voltage according to the detection control signal and the working voltage and outputting the feedback voltage to the drive chip, thereby the drive chip adjusting the working voltage to the voltage required for the aging detection according to the feedback voltage;
• and
• a switch branch, a first input terminal of the switch branch being electrically connected with the output terminal of the detection signal generation circuit, a second input terminal of the switch branch being electrically connected with the adjustment branch through a second output terminal of the adjustment branch, and an output terminal of the switch branch being electrically connected with the feedback voltage input terminal of the drive chip and the output terminal of the feedback circuit, and the switch branch being configured for receiving the detection control signal and controlling the feedback voltage output by the adjustment branch according to the detection control signal.