Graphene and graphene based conductive thin films have shown great potential applications in organic electronic devices such as organic solar cells, organic field-effect transistors (OFETs), organic light emitting diodes (OLEDs), touch screens, photodetectors etc.The combination of their high chemical and thermal stability,high stretchability and low contact resistance with organic materials offers tremendous advantages over their metal and metal oxide counterparts, and enables the next generation high performance flexible devices.The further development of graphene based conductive thin films and eventually the large scale commercial application lie on the controlled low-cost synthesis and the establishment of effective methods for the transfer and patterning of the