Jig for testing flexible panel and display device including the same

A display device comprising:

• a display member;
• a jig supporting a bottom surface of the display member, folded in a first direction;
• and
• a set cover member covering the display member and the jig so that a side of the display member and the jig are not visible from outside, wherein the jig includes:
• a first flat panel frame;
• a second flat panel frame disposed to be spaced apart from the first flat panel frame on a side of the first flat panel frame in the first direction;
• and
• a hinge part disposed between an end of the first flat panel frame in a second direction crossing the first direction and an end of the second flat panel frame in the second direction to allow the first flat panel frame and the second flat panel frame to be subjected to folding, the hinge part includes:
• a first gear arm attached to the first flat panel frame;
• a second gear arm directly engaged with the first gear arm and attached to the second flat panel frame, the second gear arm being collinear with the first gear arm when the jig is unfolded;
• and
• a gear housing covering at least a portion of the first gear arm and at least a portion of the second gear arm, the gear housing including a concave surface bent toward an inside of the gear housing;
• and
• a panel exposing area defined at least in part by the concave surface, and
• the jig exposes the side of the display member through the panel exposing area in case that the first flat panel frame and the second flat panel frame are folded.