Solar Power Through Your Phone's LCD Screen
by Justin Thomas, Virginia 
on 04.23.07
Motorola recently received an interesting patent for the idea of combining an LCD screen and a solar cell on phone (or other wireless devices). Cellphones don't have a lot of space for capturing sunlight, so this dual-purposing of the screen makes a lot of sense. Motorola's patent notes that this technology is better with black-only LCDs where 75% of sunlight passes through. Apparently, this idea has been kicked around for a while, but the thin-film technology needed to make this happen is still costly, so devices with solar LCD screens haven't appeared on the market. :: Via: Crunch Gear and Patent Monkey
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