Provided is a display device for carrying out seamless display so that a sense of strangeness is not given to a viewer or the sense of strangeness is reduced. In at least one embodiment, a display device includes a display panel on which a plurality of display elements are disposed in a matrix, the display panel having a frame area which is located at an end of the display panel and in which no display element is provided; a light guide element provided on the display panel, the light guide element changing a light path of part of light emitted from the plurality of display elements so that the part of light is guided to the frame area; a photosensor provided on the display panel, the photosensor detecting environment illuminance; an image signal correcting section which (i) corrects, in accordance with the environment illuminance detected by the photosensor, an image signal to be supplied to a display element included in an area where the light guide element is provided so that a reduction in luminance or coloring of display light of the image caused by the light guide element is reduced, and (ii) outputs a corrected image signal; and a driving section which drives the display element in accordance with the corrected image signal.