31 Aug '11, 9pm

New LED Lightbulb Under $15 Hits the Market, May Go Lower

Meanwhile, over in the U.S.A researchers at the University of Florida are on to a new LED lightbulb design that could result in an even cheaper LED . The new approach is based on semiconductors composed of layers of different materials including quantum dots , which are tiny nanoscale crystals. Though this hybrid composition results in a more efficient LED, until now the catch has been that different processes are needed to apply the different kinds of layers, and that adds up to a more expensive LED lightbulb. The Florida team has developed a way to design the structure so that only one process is needed. As an added bonus, the new design is more efficient and has a longer lifespan that conventional LED lightbulbs.

Full article: http://cleantechnica.com/2011/08/31/new-led-lightbulb-und...

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