A display device includes a main body including a display module for outputting an image, a bending module located at a center of a rear surface of the main body, a pair of links respectively extending in left and right directions, wherein one end of the link is coupled to the bending module, and link brackets respectively located at left and right ends of the main body, wherein the other end of each link is connected to each link bracket, the bending module changes an angle of the pair of links, and, when the bending module is driven, the other end of the link slides horizontally with respect to the link bracket. The display device is able to switch a state of the display module into a flat state or a bent state, so that a user is able to use the display device in a desired shape.