colinneagle writes "On March 19, Nokia posted a picture of a Lumia with the caption "Sun, sun, sun, here we come!" This caused rumors to fly that the company was working on a phone with solar-charging capabilities. Just a few days earlier, the French WP enthusiast site MonWindowsPhone reported that SunPartner Group, a French solar cell maker, had signed a deal with an "unnamed" smartphone manufacturer.
This would be huge for Nokia if it happens. It would also be huge for SunPartner, a company I doubt anyone has heard of on this side of the Atlantic. It makes products for mobile devices called Wysips crystals. The Wysips combine optical and photovoltaic technologies into an ultrathin layer that sits right below the screen of the phone (image available here). SunPartner says that leaving the phone in any light, whether it's office lighting or the sun, will recharge the screen."
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