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 ...

TESS, a Taiwanese manufacturing company, recently introduced a 7W LED bulb that, at 560 lumens, can serve as a replacement for a typical 500-lumen, 40W incandescent bulb (Figure 1). TESS has received ...

Generally you see a light bulb and you think “yep, a light bulb.” But when you see an LED bulb, you might pause and say “wait, isn’t there more to an LED than there is to incandescents?” And you’d be ...

The numbers you see on the box don't always work out in real life. LED bulbs do last longer, but those claims about five to 10 years are estimates based on internal testing -- and companies are always ...

If you're shopping for LEDs, there are many options to choose from-- and dimmer compatibility only complicates matters. Even if you pick the proper color temperature, lumens rating and a desired beam ...