According to one embodiment, a display device includes a first color film of a first color and a second color film of a second color, wherein the irradiator comprises a first light source of a third color and a second light source of a fourth color, the first color and the second color have a complementary color relationship, lightness of the first color is greater than lightness of the second color, a first total displayable area of the first color film is larger than a second total displayable area of the second color film, and the irradiator is configured to radiate light of the first light source and the second light source in a switching manner by time division.