Referring to FIG. 1, the OLED display apparatus 100 according to an embodiment of the present disclosure may include a power supply unit 110, a discharge circuit 130, a display panel 150, a memory 170, and a processor 190.

The power supply unit 110 may supply DC power or AC power to the OLED display apparatus 100.

If AC power is supplied to the OLED display apparatus 100 and DC power is not supplied thereto, the display panel 150 is in a standby state. From the viewpoint of the practical use, this may be a case where a user turns off the power of the display panel 150 through a remote controller and does not unplug an outlet.

If AC power is not supplied to the OLED display apparatus 100, the display panel 150 is in an off state. From the viewpoint of the practical use, this may be a case where a user unplugs an outlet.

The discharge circuit 130 may measure a cooling time necessary for afterimage compensation of the display panel 150.

If the supply of power is interrupted, the discharge circuit 130 may measure a discharge voltage amount of a capacitor.

The processor 190 may determine whether the cooling time during which the display panel 150 can be sufficiently cooled is secured by using the measured discharge voltage amount.

The display panel 150 may display an image.

The display panel 150 may be an OLED panel.