Drive circuit, display device, and debugging method

A display device, comprising a display panel and a drive circuit, wherein the display panel comprises a plurality of display regions, and each of the plurality of display regions is coupled to the drive circuit through one single trace, the drive circuit comprises a plurality of compensation sub-circuits, the plurality of compensation sub-circuits are coupled to the plurality of display regions in a one-to-one corresponding manner through traces and configured to output, to the corresponding display regions through the traces, voltages determined based on wire resistances of the traces;

• wherein the plurality of display regions have a same width in the arrangement direction from the display panel to the drive circuit, the wire resistance of the trace between the display region which is closest to the drive circuit, and the corresponding compensation sub-circuit is R1, and the voltage outputted by the compensation sub-circuit corresponding to a n-th display region in the arrangement direction is Kn*n, wherein Kn is a first proportional coefficient that is corresponding to the n-th display region and related to R1;
• and
• wherein the drive circuit further comprises a drive sub-circuit, each compensation sub-circuit comprises:
• a resistor, coupled between the corresponding display region and a drive voltage output terminal of the drive sub-circuit;
• and a resistance of the resistor is X*Rn/I, wherein X is a second proportional coefficient related to R, Rn is a wire resistance value corresponding to the n-th display region sequentially arranged in a direction away from the drive circuit, and I is a current flowing through the resistor.

A debugging method for a display device, wherein the display device comprises a display panel and a drive circuit, the display panel comprises a plurality of display regions, and each of the plurality of display regions is coupled to the drive circuit through one single trace, the drive circuit comprises a plurality of compensation sub-circuits, and the plurality of compensation sub-circuits are coupled to the plurality of display regions in a one-to-one corresponding manner through traces, the plurality of display regions have a same width in the arrangement direction from the display panel to the drive circuit, the wire resistance of the trace between the display region which is closest to the drive circuit, and the corresponding compensation sub-circuit is R1, and the voltage outputted by the compensation sub-circuit corresponding to a n-th display region in the arrangement direction is Kn*n, wherein Kn is a first proportional coefficient that is corresponding to the n-th display region and related to R1;

• the drive circuit further comprises a drive sub-circuit, each compensation sub-circuit comprises:
• a resistor, coupled between the corresponding display region and a drive voltage output terminal of the drive sub-circuit;
• and a resistance of the resistor is X*Rn/I, wherein X is a second proportional coefficient related to R, Rn is a wire resistance value corresponding to the n-th display region sequentially arranged in a direction away from the drive circuit, and I is a current flowing through the resistor;
• and the debugging method comprises:
• obtaining wire resistance parameters, wherein the wire resistance parameters comprise wire resistance values of the traces or proportional coefficients having a set correlation with the wire resistance values;
• generating output voltages corresponding to the traces according to the wire resistance parameters;
• and
• debugging outputs of the corresponding compensation sub-circuits according to the output voltages corresponding to the traces.