Display device

A display device, comprising:

• a cover module having a storage space therein;
• a display panel configured to be at least partially disposed inside the storage space or withdrawn outside the storage space;
• a first driving system configured to embed the display panel into the cover module or withdraw the display panel from the cover module in a first direction;
• a light blocking plate on a rear surface of the display panel and configured to be at least partially embedded inside the storage space or withdrawn outside the storage space;
• a second driving system configured to embed the light blocking plate into the cover module or withdraw the light blocking plate from the cover module in the first direction;
• and
• a first elevation assistance system disposed inside the storage space,
• wherein a force in the opposite direction is applied to the display panel and the first elevation assistance system to control a speed of raising and lowering the display panel, and
• wherein the first driving system and the second driving system are independently driven to move spatially the display panel and the light blocking plate according to a transmission mode and a light blocking mode, thereby storing and retrieving the display panel and the light blocking plate in and from the cover module.