A rollable display device according to one aspect of the present invention comprises: a roller; a display unit which is rolled around the roller, and which comprises a display panel and a module cover that is laminated on the display panel so as to face same; a link assembly for moving the display unit upward and downward; and a motor assembly for driving the link assembly, wherein the module cover can comprise: a module cover having a yield strain of 0.5% or higher; and a film part which is laminated on the module cover and which has an elongation rate higher than that of the module cover.