LED Bulb Efficiency Surges

January 6, 2014

Thanks to falling prices and improved performance, LED bulbs are quickly gaining popularity with consumers and businesses alike. But are manufacturer's skimping on light quality?


A recent report from the Department of Energy reviewed solid-state lighting. The report found that the technology behind A-type LED lamps has improved dramatically over the last five years. THe efficacy of LED bulbs database has nearly doubled, and the new LED bulbs has a median efficacy of 78 lumens, compared to 40 lumens per watt in 2009.


"More important to broad consumer acceptance, though, is brightness and bulbs that produce light in all directions -- two areas that have historically been challenging for LED technology. Now, though, there are a number of products that produce as much light as traditional 75-watt or 100-watt bulbs. And while LEDs are best suited for giving off light in one direction, manufacturers have designed bulbs that mimic the omni-directional light of conventional bulbs."


In a separate study, the DOE found that the price LED lights overall has fallen by more than 85 percent in the last five years.


Read more about the report at GreenTechMedia.

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