At the IFA conference in Berlin, Sharp displayed a prototype solar-panel that could power a LCD TV. The technology is at the stage where a single panel can provide sufficient energy to watch 4.5 hours of TV per day. Sharp, which is one of the world's largest manufacturers of solar panels for electricity generation, says it isn't intending to suggest that households buy a single panel to power their TV but an entire roof of panels to power the entire house.

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