Display device

A display device comprising:

• a housing having at least one Printed Circuit Board (PCB) for performing a function of the display device and mounted therein;
• a plurality of rollers disposed in the housing;
• a display unit which comprises a display panel and a module cover;
• and
• a driving unit connected to the display panel and the module cover so as to cause the display panel and the module cover to move from a first state to a second state, wherein the display panel in the first state is wound around at least one of the plurality of rollers, and in the second state is unwound from the at least one of the plurality of rollers and exposed by being drawn out from the housing, wherein the module cover is, in the first state, wound around at least one other of the plurality of rollers, and, in the second state, unwound from the at least one other of the plurality of rollers to contact a rear surface of the display panel.