The idea of using graphene in flexible touch screens is not new. Samsung itself has other patents related to the idea, however the most recent one covers a broad ground and might put Samsung at a significant advantage in the near future. The ability to provide inexpensive touch screens would allow for cheap smartphones, of which the screen is currently the most expensive component.

March 5, 2013- Source:  http://www.graphenetracker.com/samsung-patents-graphene-networks-for-touch-screens/

Image Source:  http://i.dailymail.co.uk/i/pix/2014/10/30/1414673281158_wps_25_Galaxy_Edge_jpg.jpg