A lamination apparatus including a jig and a pad disposed facing the jig. The jig may include an accommodation groove, which is defined by a bottom surface, a first side surface bent and extending from the bottom surface, and a second side surface bent and extending from the bottom surface. The pad includes a pressing surface facing the bottom surface, a first pad side surface bent from the pressing surface in a direction away from the jig, a second pad side surface bent from the pressing surface in a direction away from the jig, a connection surface connecting the first pad side surface to the second pad side surface, and a recess recessed from the pressing surface, the connection surface, and the first pad side surface.