Practical LED bulbs are now available from a number of sources. One manufacturer, Cree, Inc., reached a milestone in LED lighting with the development of a 75-watt replacement bulb more than 100 years ...

PolyBrite International Inc. makes LED lighting, as do scads of companies these days. But who else can boast of outfitting an entire neighborhood of Fort Knox, Ky., in one of the world's biggest ...

When you think of a significant consumer lighting replacement bulb, the good ol’ 60W A-19 Edison-base bulb springs to mind because it commands the lion’s share of room lamps and many overhead room ...

Early adopters of LED lighting will remember 50,000 hour or even 100,000 hour lifetime ratings printed on the box. But during a recent trip to the hardware store the longest advertised lifetime I ...

The 2014 Nobel Prize in physics went Tuesday to three scientists who gave lighting a makeover by inventing blue LED lights. The award recognizes a seemingly commonplace innovation, but one that has ...