A display apparatus, comprising: a display panel configured to display an image and including a plurality of pixels; a housing module for accommodating the display panel in a rolled-up state, the housing module including a roller part configured to allow the display panel to be rolled-up thereon; a rolling module including at least one structure (530, 530a) connected to the display panel and configured to unroll the display panel according to unfolding of the structure (530, 530a); characterized in that the display apparatus further comprises a vibration device disposed on the structure (530, 530a), the vibration device configured to vibrate the display panel in an unrolled state, wherein the structure (530, 530a) comprises: a first link part including a first link and a first link bar rotatably disposed on the first link; a second link part including a second link and a second link bar rotatably disposed on the second link; and a link connection part including a first joint member rotatably supporting the first link bar and the second link, and a second joint member rotatably supporting the first link and the second link bar, wherein the vibration device is rotatably disposed on the first joint member and/or on the second joint member for maintaining a flatness of the display panel being wound or unwound a display panel configured to display an image and including a plurality of pixels; a housing module for accommodating the display panel in a rolled-up state, the housing module including a roller part configured to allow the display panel to be rolled-up thereon; a rolling module including at least one structure (530, 530a) connected to the display panel and configured to unroll the display panel according to unfolding of the structure (530, 530a); characterized in that the display apparatus further comprises a vibration device disposed on the structure (530, 530a), the vibration device configured to vibrate the display panel in an unrolled state, wherein the structure (530, 530a) comprises: a first link part including a first link and a first link bar rotatably disposed on the first link; a second link part including a second link and a second link bar rotatably disposed on the second link; and a link connection part including a first joint member rotatably supporting the first link bar and the second link, and a second joint member rotatably supporting the first link and the second link bar, wherein the vibration device is rotatably disposed on the first joint member and/or on the second joint member for maintaining a flatness of the display panel being wound or unwound a first link part including a first link and a first link bar rotatably disposed on the first link; a second link part including a second link and a second link bar rotatably disposed on the second link; and a link connection part including a first joint member rotatably supporting the first link bar and the second link, and a second joint member rotatably supporting the first link and the second link bar, wherein the vibration device is rotatably disposed on the first joint member and/or on the second joint member for maintaining a flatness of the display panel being wound or unwound