Contact: Negar Sani
Caption: The video shows how a printed label picks up the radio signal from a telephone making a call, and uses the energy to switch the integrated display. This is only possible if there is a diode with GHz capacity that can rectify the signal.
Credit: Laboratory of Organic Electronics, Linköping University, Sweden
Usage Restrictions: Not to be published until 3 PM Eastern Time, July 7, 2014
Related news release: Negar Sani solved the mystery of the printed diode