A monitor includes a monitor main body displaying a picture thereon, a base member supporting the monitor main body, a lower link member rotatably combined to a base hinge provided in the base member, an upper link member rotatably combined to a monitor hinge provided in the monitor main body, a link hinge provided between the upper link member and the lower link member and allowing the upper link member to rotate relative to the lower link member, and a first auxiliary link member disposed parallel to the lower link member at a position deviated from axes of the link hinge and the base hinge to connect the lower link member with the upper link member and transmit a rotary motion from the lower link member relative to the base member to the upper link member.
