US Patent 11474570 Hinge structure for foldable device having flexible display panel

A hinge structure for a foldable device having a flexible display panel is proposed. The hinge structure includes first and second devices, a hinge housing having a U-shaped section, with a space being defined therein, and configured such that first ends of the first and second devices are rotatably coupled to both ends of the hinge housing by hinge shafts, and a flexible display panel configured such that a first fixing part on a first side and a second fixing part on a second side, except for a bending part that is a part of a central portion, are fixed to upper surfaces of the first device and the second device, respectively.