According to one embodiment, a display device includes a display panel including a first surface and a second surface on an opposite side to the first surface, configured to display an image on the second surface, a cover glass includes a third surface and a fourth surface on an opposite side to the third surface, the third surface facing the second surface of the display panel, an adhesive layer configured to fix the display panel and the cover glass to each other and an optical film fixed to the fourth surface of the cover glass.