US Patent 10082833 Flexible display device

The invention discloses a flexible display device including a fixed plate, a slidable plate, and a flexible display panel, wherein the slidable plate slides relative to the fixed plate with a bottom surface overlying the fixed plate; the flexible display panel disposed on the top surface of the slidable plate, wherein the flexible display panel includes a primary display section, and a secondary display section attached to the primary display section, wherein the secondary display section is foldable and retractable, wherein the primary display section is fastened to the top surface of the slidable plate; and wherein while the slidable plate slides relative to the fixed plate, the primary display section brings the retractable secondary display section between a folded position and an expanded position, and the fixed plate supports the primary display section and the secondary display section.