US Patent 9119316 Case and display device

A case for supporting a foldable display panel includes a first main body located to correspond to a first area of the foldable display panel; a second main body located to adjoin the first main body and correspond to a second area of the foldable display panel, and folded in a direction of the first main body so that the second area of the foldable display panel faces the first area; and a mover, responsive to an elastic restitution force, located within at least the first main body to be supported by a rear surface of the foldable display panel, at least one of the first area and the second area of the foldable display panel being slidable in conjunction with the mover in a direction of at least one an end of the foldable display panel.