The easiest way to figure out what bulb you need is by using an incandescent/LED conversion cart. Say you normally use a 60-watt incandescent bulb, for example. You would probably want to choose ...

The Feit Electric 60 Watt Replacement 9.5 W LED is part of the Lightbulbs test program at Consumer Reports. In our lab tests, Lightbulbs models like the 60 Watt Replacement 9.5 W LED are rated on ...

LED maker Cree announced this week that it had achieved a new record in terms of lighting efficiency, harvesting 303 lumens per watt from a white high power LED at room temperature. This ...

In keeping with these advances, today Philips announced that they have created the world’s most efficient warm white LED lamp. The prototype operates at 200 lumens-per-watt, a number that is ...