A touch pen includes a body and a head fixed on one end of the body and electrically connected with the body. The head includes a graphene composite material including a flexible polymer matrix and a number of graphenes dispersed in the flexible polymer matrix. The graphenes connect each other and cooperatively form a conductive network.
申请公布号
US2012162153(A1)
申请公布日期
2012.06.28
申请号
US201113336617
申请日期
2011.12.23
申请人
JIANG KAI-LI;FAN SHOU-SHAN;HON HAI PRECISION INDUSTRY CO., LTD.;TSINGHUA UNIVERSITY