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SSL Promises Brighter but Not Necessarily Greener Future, Sandia Researchers Say
August 24, 2010... While solid state lighting may have a lower cost of ownership and use less electricity, this does not necessarily translate to less electrical usage around the world, according to a paper published in the Journal of Physics D.
Proponents of solid-state light-emitting devices (LEDs) have predicted that using LEDs would lower electrical usage worldwide, not only “greenly” decreasing the need for new power plants but even permitting some to be decommissioned.
However, researchers from Sandia National Laboratories argue that people may just use more light if it is made less costly.
“Presented with the availability of cheaper light, humans may use more of it, as has happened over recent centuries with remarkable consistency following other lighting innovations,” said Sandia lead researcher Jeff Tsao. “That is, rather than functioning as an instrument of decreased energy use, LEDs may be instead the next step in increasing human productivity and quality of life.” Source/Type: Solid State Lighting Design LED Lighting News - News - Staff reports See the Current Industry News Summary
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