A display device is disclosed. The display device of the present disclosure comprises: a roller that extends to be long; a flexible display panel that is wound around the roller or is unwound therefrom; and a module cover which is coupled to the rear of the display panel, and in which a plurality of plates extending long in the longitudinal direction of the roller are sequentially arranged in the direction crossing the longitudinal direction, and which is wound around the roller or unwound therefrom together with the display panel, wherein the module cover comprises: the plurality of plates; a film layer positioned between the display panel and the plurality of plates; and a coating layer which covers the plurality of plates and which is in contact with the film layer.