Solar Panels in the Screens of Smartphones Could Power the Devices
By Matt Safford
If your smartphone doesn’t last the day, chances are the screen is largely to blame. The display is by far the most power-hungry component in your mobile device, but on your next phone it may give back some of the power it takes.
Japanese device maker Kyocera, in a partnership with the French firm SunPartner Technologies, is showing off a prototype smartphone this week at Mobile World Congress, the largest trade show for mobile technology, with a screen that can actually charge the device both outdoors and indoors under bright lights.

By Maurizio Pesce (CC BY 2.0)