According to one embodiment, a display device driven in a first drive mode for displaying images of a frame in a first frame period and a second drive mode for displaying images of a frame in a second frame period longer than the first frame period is provided. The display device includes a display panel configured to perform display operation for displaying an image based on a pixel signal and a driver configured to switch a drive mode between the first drive mode and the second drive mode. When a switch signal is received while the display device is driven in the second drive mode, the driver is configured to shorten the second frame period and switch the second drive mode to the first drive mode.