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 connected to the display panel and configured to unroll the display panel according to unfolding of the structure ; characterized in that the display apparatus further comprises a vibration device disposed on the structure , the vibration device configured to vibrate the display panel in an unrolled state, wherein the structure comprises: a first link part including a first link (LI) and a first link bar (LB1) rotatably disposed on the first link (L1); a second link part including a second link (L2) and a second link bar (LB2) rotatably disposed on the second link (L2); and a link connection part including a first joint member rotatably supporting the first link bar (LB1) and the second link (L2), and a second joint member rotatably supporting the first link (L1) and the second link bar (LB2), 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 connected to the display panel and configured to unroll the display panel according to unfolding of the structure ; characterized in that the display apparatus further comprises a vibration device disposed on the structure , the vibration device configured to vibrate the display panel in an unrolled state, wherein the structure comprises: a first link part including a first link (LI) and a first link bar (LB1) rotatably disposed on the first link (L1); a second link part including a second link (L2) and a second link bar (LB2) rotatably disposed on the second link (L2); and a link connection part including a first joint member rotatably supporting the first link bar (LB1) and the second link (L2), and a second joint member rotatably supporting the first link (L1) and the second link bar (LB2), 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 (LI) and a first link bar (LB1) rotatably disposed on the first link (L1); a second link part including a second link (L2) and a second link bar (LB2) rotatably disposed on the second link (L2); and a link connection part including a first joint member rotatably supporting the first link bar (LB1) and the second link (L2), and a second joint member rotatably supporting the first link (L1) and the second link bar (LB2), 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 <EOS>