Latest Tweets

Follow us on twitter

Make a Donation

$

Route Description

NAO News Feed

NAO main Feed

Green LED Could Mean a Lighting Revolution

Print PDF
green LED tabletop layout photo Red light emitting diodes were easy, and have been around for a while. Blue LEDs were harder; Shuji Nakamura won the million euro Millenium Technology Prize for figuring them out. Green LEDs have been tougher still. To get a good white light you need to mix all three, so designers have relied on a work-around, firing blue LEDs at a phosphor that emits green light, much like the ultraviolet light from mercury vapour excites the phosphors in a fluorescent light. (Mike has shown a couple of Read the full story on TreeHugger


Read Full Article
blog comments powered by Disqus