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June 18, 2013

Self-charging mobile screens coming as early as next year?

The battery technology can’t keep up with demands of modern smartphones prompting handset makers to look for power efficiencies and other ways to extend the battery life.

As mobile phones become bigger and bigger, they demand more and more power.

Some efforts we’ve seen before placed a solar panel on the back of the device but that didn’t work as users preferred to look at their handset for notifications.

LayersNow SunPartner Group — a 30 odd, employee startup in Aix-en-Provence, France,which is working on a low-cost transparent panel that could sit on front of the screen, gathering energy while phone is sitting on the table. If the battery is fully discharged, simply expose the screen to light, natural or artificial, to make the phone operational again. On less energy intensive models such as e-book standard and mobile, it is possible to seek complete autonomy. The charger becomes useless. The energy consumption required to function “research network” smartphone is fully compensated. By enabling a supply of permanent battery Wysips Crystal improves the reliability of the use of remote payment and emergency calls. Invisible, the Wysips Crystal ® component fits perfectly with the design of the device. 
Through an exceptional level of transparency up to 90%, the viewing angle of the screen is fully preserved.

Here is how their technology works, quote:

The company is using stripes of standard thin-film solar cells alternating with transparent film. It then adds a layer of tiny lenses that spread the image coming from the screen to make the opaque stripes disappear as well as to concentrate the rays coming in from the sun.

And here’s the illustration to get a better idea:


At the moment, SunPartner prototypes are 82% transparent but future versions should hit 90% transparency and a price that will add just $2.30 to the phone’s manufacturing costs.

Needless to say, the company is testing their gear with a number of manufacturers and expects to see it built into mobile devices early next year. Nokia is reportedly one of those companies looking at SunPartner’s technology… Sounds promising, what do you think?


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Dave Thornton

Senior Editor

Senior Editor
Been involved in technology for many years, more than I care to remember. Live in Dundee, Scotland. I like Android, Windows Phone OS, BlackBerry OS and iOS, and love writing about all things techie. Currently have a Honor 6+, Elephone P6000, Nexus 5, Chrombook C720, HTC One M7, Nokia Lumina 625, Microsoft Lumia 435, Blackberry Q10, HTC Hero and iPad mini