A display device includes: a display panel to display an image; an optical film over the display panel and including at least one phase retarder and a polarizer; a first adhesive layer between the display panel and the optical film and contacting a first surface of the optical film; and a second adhesive layer on the optical film and contacting a second surface of the optical film opposite the first surface, and the first adhesive layer and the second adhesive layer contact each other.