A grayscale voltage output unit outputs, for a signal line including a disconnection location, a first grayscale voltage to a first signal line portion, the first grayscale voltage being corrected to be lower than the grayscale voltage to be output to the signal line on the basis of the location of the disconnection location and the wiring resistance of the signal line, and the grayscale voltage output unit outputs a second grayscale voltage to a second signal line portion, the second grayscale voltage being corrected from the grayscale voltage to be output to the signal line on the basis of the location of the disconnection location, the wiring resistance of the signal line, and the wiring resistance of spare wiring. Thereby, a display device with a simple configuration capable of reducing luminance deviation along a signal line with a disconnection location is provided.