Over-current protection circuit and display panel

A display panel, comprising:

• an over-current protection circuit;
• and
• a gate driver on array (GOA) signal line, connected to the over-current protection circuit;
• wherein the over-current protection circuit comprises:
• a current comparison module, wherein a first input end of the current comparison module is connected to a reference power supply, and a second input end of the current comparison module is connected to a target line;
• a discharge control module, comprising a first transistor, wherein a control end of the first transistor is connected to an output end of the current comparison module, and a first end of the first transistor is connected to the target line;
• and
• a variable resistance module, wherein a second end of the first transistor is connected to a ground end through the variable resistance module, and the variable resistance module has at least a high-resistance state and a low-resistance state;
• wherein when a current in the target line is greater than a current of the reference power supply, the variable resistance module is in the low-resistance state, and when the current in the target line is less than the current of the reference power supply, the variable resistance module is in the high-resistance state;
• wherein the variable resistance module comprises a memristor, a negative electrode of the memristor is connected to the second end of the first transistor;
• wherein the discharge control module further comprises a second transistor, a control end of the second transistor is connected to the output end of the current comparison module, a first end of the second transistor is connected to a positive electrode of the memristor, and a second end of the second transistor is connected to the ground end;
• when the current in the target line is greater than the current of the reference power supply, the current flows from the target line, the first transistor, the negative electrode of the memristor, the positive electrode and the negative electrode of the memristor, and the second transistor to the ground end;
• and
• wherein the over-current protection circuit further comprises a reset module, when the current in the target line is less than the current of the reference power supply, the reset module makes the current flow from the positive electrode of the memristor to the negative electrode of the memristor.