If the discharge-completed signal is detected through the discharge check terminal 136, the processor 190 may determine that the discharge circuit 700 malfunctions and do not perform the afterimage compensation of the display panel 150.

If it is determined that the voltage discharge of the capacitor has not been completed, the processor 190 performs the afterimage compensation algorithm (S909).

The processor 190 may perform operations S905 to S909 more than a predetermined number of times. This is done for securing the reliability of the operation of the discharge circuit.

The processor 190 turns off the screen of the display panel 150 during the execution of the afterimage compensation algorithm (S911).

After the afterimage compensation algorithm has been completed, the processor 190 may turn on the screen of the display panel 150.

FIG. 10 is a graph for describing the process of performing the afterimage compensation of the display panel, according to an embodiment of the present disclosure.

The sequence for compensating for the afterimage of the display panel 150 is shown in FIG. 10.

It is assumed in FIG. 10 that the use time necessary for the afterimage compensation of the display panel 150 is satisfied.