A display device, including a display panel that displays an image; a flexible printed circuit board including an attaching part attached to one end of the display panel and a curved part extending from the attaching part and not overlapping with the display panel; a window assembly on an upper surface of the display panel; an adhesive part between the window assembly and the display panel to couple the display panel and the window assembly; and a compensating part not overlapping with the display panel, overlapping with the curved part, and on a same layer as the attaching part.