Technologies

What is the difference between ANSI and IEC Standard on Norminal CCT and SDCM?

To better study the light and color, the International Commission on Illumination(CIE) create the CIE 1931 color spaces in 1931 by David MacAdam. As the left picture shows.

What parameters you should know before choosing LED strip lights?

The LED strip lights is a combination product of electric and optical, so the LED strip lights(also for most of LED products) features(parameters) including two parts, one is electric parameters, like voltage, current and watts etc, the other one is optical parameters, like brightness and colors.

What is the difference between CRI and Ra?

A color rendering index (CRI) is a quantitative measure of the ability of a light source to reveal the colors of various objects faithfully in comparison with an ideal or natural light source.