A 27-W LED bulb puts out 1,600 lumens at a color temperature that lets it replace a 100-W incandescent light. The coveted Lighting "L" Prize last year went to an LED bulb that could replace a 60-W ...

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 ...

Philips is already coming out with an improved version of its LED bulb that replaces 60-W incandescents. You know technology is maturing when you start to see second ...

LED bulbs are the way to go for a “smarter” smart home. While some bulbs and bulb kits may be a bit of an investment upfront, the cash you’ll save in the long run, combined with many of the great ...

LED bulbs are a far more cost-efficient, environmentally-friendly option than traditional incandescent bulbs. With a life expectancy of 20 years or more (25x longer than incandescent), the energy ...

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 ...

Like it or not, energy-saver light bulbs are about to become the next big thing. Starting next year, lighting manufacturers will begin a government-sanctioned phase out of incandescent bulbs that ...

Scientists and engineers at the Industrial Technology Research Institute (ITRI), Hsinchu, Taiwan, have developed a new type of thermal analyzer: The In-Line Compact Thermal Analyzer, or ICTA. Said to ...