A copper conducting wire structure is for use in the thin-film-transistor liquid crystal display (LCD) device. The copper conducting wire structure includes at least a buffer layer and a copper layer. A fabricating method of the copper conducting wire structure includes the following steps. At first,...http://www.google.com/patents/US8177989?utm_source=gb-gplus-sharePatent US8177989 - Copper conducting wire structure and fabricating method thereof