A display device includes: a display panel including a main portion, a bending portion extending from a side of the main portion, and a sub portion extending from a side of the bending portion; a driving board connected to a side of the sub portion and overlapping the main portion of the display panel in a thickness direction; and a protective member disposed between the display panel and the driving board, wherein the sub portion is folded with respect to the bending portion and attached to a back surface of the main portion.