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 ...

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 ...

Take a look at a couple of comments on the previous post regarding the efficacy of production LEDs. A reader points out that using 683lm/W (from Wikipedia) as the 100% luminous efficacy figure, ...

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 ...

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 ...

Although incandescent light bulbs were banned back in August 2023 in the USA, most of us still think of old-school wattage when it comes to describing how bright a light bulb is. We can picture how ...

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 ...

Thinking about using a 100W LED bulb in a 60W socket? Learn if it's safe, what the wattage ratings mean, and how to avoid ...

Originally hailing from Troy, Ohio, Ry Crist is a writer, a text-based adventure connoisseur, a lover of terrible movies and an enthusiastic yet mediocre cook. A CNET editor from 2013 to 2024, Ry's ...