A display device including a display module having a first area exposed to an outside in a first state and a second state and a second area defined adjacent to the first area and exposed to the outside in the second state, a case accommodating the display module, and a driver controlling the first state and the second state of the display module. The driver includes a first driving module fixed to the case, a second driving module coupled to the first driving module, and a sliding module coupled to the second driving module and moving in a direction closer to or farther away from the second motor according to a rotation of the second screw.