DISPLAY DEVICE, HEAD-UP DISPLAY, AND MOBILE OBJECT

A display device includes a display panel that displays an image, a plurality of light sources arranged in a first direction orthogonal to a normal direction of the display panel, a light guide panel on which a light from a plurality of light sources is incident and including an emission surface that emits a light toward the display panel, and a first optical member disposed between the display panel and the light guide panel and including a first surface opposing the emission surface of the light guide panel, a second surface provided opposite to the first surface to oppose the display panel, and a cylindrical lens array provided on the second surface. The cylindrical lens array includes a plurality of cylindrical lenses arranged in the first direction.