A display device includes a display area including a light emitting area and a light blocking area which is adjacent to the light emitting area, a peripheral area adjacent to the display area, a first light emitting element which is in the light emitting area and emits a first light having a first wavelength range, and a color filter layer which is in the light emitting area and includes a photochromic material which is discolored by a second light having a second wavelength range different from the first wavelength range.