US Patent 10976778 Display device

A display device is disclosed. The display device includes a housing, a roller installed inside the housing, a display unit rolled or unrolled around the roller, a first foldable link and a second foldable link opposite to each other, the first foldable link and the second foldable link each including one end pivotally coupled to the housing and another end pivotally coupled to an upper part of the display unit, a first motor and a second motor installed inside the housing and respectively pivoting the first foldable link and the second foldable link, and a controller configured to control the first motor and the second motor so that the first foldable link and the second foldable link are synchronized.