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.

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 ...

SEATTLE—When LED lighting fixtures exploded on the cine, video and television scene, one of the first things that early adopters discovered was that all LED lights weren’t created equal, especially in ...

(Nanowerk News) Luminescent ferroelectrics have attracted intense attention in flat-panel display, field emission display (FED), and vacuum fluorescent displays, which mainly focus on the ...

FREMONT, Calif.--(BUSINESS WIRE)--Soraa, the world leader in GaN on GaN™ LED technology, announced today new psychophysical research proving that whiteness and color rendering have a strong effect on ...

Patients with glaucoma who were tested under a quantum dot LED were able to better distinguish differences in color, indicating that the quality of light systems may have an impact on color ...