Lumen is a measure of brightness in LEDs. I am gradually switching to LED bulbs at home. I believe that’s the way to go if you want to trim your electricity bill. These bulbs are super efficient in ...

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 ...

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 ...

Q I keep reading articles and hear people talk about lumens from a light bulb and watts from a light bulb. I’m told that if I buy a compact fluorescent lamp, that swirly light bulb, that I have to get ...

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 ...

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 did it again – the company demonstrated 303 lumens per watt (LPW) from a white high power LED. It surpasses previous R&D industry best of 276 LPW announced just over a year ago. “This is truly an ...