Disclosed is a display device including a substrate having a unit pixel area, a fixed member formed on the substrate to receive a ground voltage, an insulating layer formed on the fixed member, a fixed electrode formed on the insulating layer to receive a common voltage, and a plurality of movable members partially fixed on the insulating layer. The movable members are spaced apart from the fixed electrode at regular intervals, and the plurality of movable members and the fixed electrode are placed within the unit pixel area.