How do you find the quality of the light a light bulb produces? Using the color rendering index, a measure of how well a light bulb illuminates a range of colors. Appliance Science looks at the ...

Q: Just as I understand the concept of color temperature (Kelvin), now CRI is being bandied about as LEDs come into the market. What is it exactly? A: I am right there with you. From the beginning of ...

When most people hear the phrase “adequate lighting” in an industrial setting, they immediately think about brightness and the level of visibility. Certainly, that’s important for employee safety.

LED lighting firm Cree on Monday announced the addition of color rendering index options to its XLamp line of LED bulbs, bringing improved color accuracy to energy-efficient bulbs. Specifically, the ...

As you know, winter is coming. For a lot of people this means that Seasonal Affective Disorder is beginning to set in. [Luke]’s mom already has a light therapy box. It’s one of those commercially ...

image: (a) PL spectrum of WLEDs based on CsPbBr3-OA QDs with a CRI of 82, (b) PL spectrum of WLEDs based on CsPbBr3-DA QDs with a CRI of 93 (The inset shows photographs of the devices without and with ...

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 ...

Cree combines efficacy with color quality. DURHAM, N.C.--(BUSINESS WIRE)-- Cree, Inc. (Nasdaq:CREE - News), a market leader in LED lighting, announces the addition of 80, 85 and 90 color rendering ...