A display device may include a first support member and a second support member arranged in a first direction, a plurality of joint units provided between the first and second support members, a hinge member providing two rotating axes, which are connected to bottom surfaces of the joint units and bottom surfaces of the first and second support members and extend in the second direction, to be adjacent to facing sides of the first and second support members, a protection film provided on the first and second support members and the joint units, a flexible display panel provided on the protection film, and an adhesive member configured to attach the protection film to the display panel and to define a cavity in a region, which is located between the display panel and the protection film and is overlapped with the joint units.