Patent ID: 8797305

Claim:
A display device that displays an image based on image signals, comprising: at least one display panel on which a plurality of display elements for displaying the image are disposed in a matrix, the at least one display panel having a frame area which is located at an end of the at least one display panel and in which no display element is provided; a light guide element provided on the at least one 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; at least one photosensor provided on the at least one display panel, the at least one photosensor detecting environment illuminance; an image signal correcting section which (i) corrects, in accordance with the environment illuminance detected by the at least one photosensor, an image signal to be supplied to a display element included in an area where the light guide element is provided out of the image signals, and (ii) outputs a result obtained by the correction as a corrected image signal; and a driving section which drives the display element in accordance with the corrected image signal.