Two years after breaking the 200 lumens-per-watt (LPW) R&D efficacy barrier, Cree, Inc. delivers another industry first with the introduction of the Cree XLamp MK-R LEDs. The new MK-R LEDs leverage ...

One of the ways -- if not the best way -- to track the progress of LEDs over the past few years has been through the metric of lumens-per-watt. As you can gather from the name this is an efficiency ...

Progress in the LED lighting industry can best be measured in two separate metrics: pricing and efficiency. Pricing gets most of the attention, but so many factors affect it -- from the cost of ...

Cree has demonstrated its first 200-lumen-per-watt (LPW) LED concept luminaire, which offers more than twice the efficiency of linear fluorescent luminaires, according to the company. Save my User ID ...

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 represents a ...

Alina Bradford has been writing how-tos, tech articles and more for almost two decades. She currently writes for CNET's Smart Home Section, MTVNews' tech section and for Live Science's reference ...