Disclosed is a supporting device for a display device displaying an image, which includes a multi-joint arm including at least one joint, a hinge connected to one end of the multi-joint arm and rotatably coupled with the display device about a rotation axis extending in the front-rear direction of the display device, a damper to restrict rotation of the hinge to a certain extent to shorten a rotation time of the hinge when the hinge is rotated, and a brake to fix the hinge when the rotation of the hinge is finished, wherein the hinge is disposed on the same plane as the center of gravity of the display device in a vertical direction of the display device.
