The present disclosure provides a display device. The display device comprises a display panel and a grating layer, wherein along a direction pointing from a center of a left-eye field-of-view central area to a non left-eye field-of-view central area, a grating period of a left-eye grating region of a first color, a grating period of a left-eye grating region of a second color, and a grating period of a left-eye grating region of a third color all decrease gradually; along a direction pointing from a center of a right-eye field-of-view central area to a non right-eye field-of-view central area, a grating period of a right-eye grating region of the first color, a grating period of a right-eye grating region of the second color, and a grating period of a right-eye grating region of the third color all decrease gradually.