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Solar Screens May Make Phone Chargers Obsolete


How would you like to have a cellphone that never needed to be charged? That’s the promise of French company Wysips, which wants to turn your phone’s screen into a solar charger.
It works like this: a transparent photovoltaic film covers the screen of your device, and provides 250mW of power to trickle-charge the battery. The film is thin — just 100 microns or 0.1mm — and won’t dim the screen when incorporated into the LCD panel. Wysips says the film will typically add just a dollar to the cost of a phone, and hopes to have shipping units within a year.
The beauty of the design is that it scales. The bigger the screen of a device, the bigger the solar panel. A typical phone will be fully charged in six hours, and the second-gen version will give you a half-hour’s worth of power with just one hour of charging.
The real winner here will be ebooks. These typically sip power anyway, and have pretty big screens. While you may still have to plug in an iPad to charge it at night, a Kindle with Wysips’ tech in its screen would likely never, ever need to be charged, especially as you can only read it when there’s enough light to do so.
Video: Laptop Mag

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