A display device comprises a display panel and a back cover attached to the display panel. The back cover includes a first flexible area and a first supporting area adjacent to the first flexible area. The back cover includes a central area and an edge area at one or more lateral sides of the central area. The central area includes a plurality of first openings, and the edge area includes a plurality of second openings. The first flexible area includes a first sub-flexible area and a second sub-flexible area, the first sub-flexible area being between the first supporting area and the second sub-flexible area in a column direction. A distance between two adjacent second openings in the edge area of the first sub-flexible area is smaller than a distance between two adjacent second openings in the edge area of the second sub-flexible area.