▎ 摘　　要

NOVELTY - The utility model claims a packaging structure, comprising: a substrate; connecting pad, set on the substrate; a conductive part, set on the connecting pad and electrically connected to the substrate, the conductive part comprises: a first metal layer; and graphene composite layer, set on the first metal layer; and an insulating protective layer, the substrate surrounds the connecting pad and has an opening, and the top surface of the conductive part is exposed in the opening.