27 May '11, 5pm

Have LEDs Finally Hit the Mainstream?

Have LEDs Finally Hit the Mainstream?

Writing in the Reader's Digest in 1963, a scientist named Nick Holonyak Jr. , who then worked for General Electric and is now a professor of electrical and computer engineering and physics at the University, predicted that light-emitting diodes, better known as LEDs, would replace the incandescent light bulb of GE's founder, Thomas Edison . Holonyak, who is known as the father of the LED , wasn't wrong. He was just early. LEDs haven't replaced incandescents in homes -- not yet, anyway -- because they're pricey. (See my blogpost, Would you buy a $40 light bulb? ) But energy-efficient white LEDs like the one below are increasingly replacing HID (high intensity discharge) lights in indoor and outdoor parking lots. They're finding their way into commercial buildings, too. Beginning in July, the Mall of America in Bloomington, Minn., will replace 5,400 metal halide and high pre...

Full article: http://www.greenbiz.com/blog/2011/05/27/have-leds-finally...

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