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LED lighting design: how to restore the true color of the object 100%? Grasping the color rendering index is especially important for children

I believe that friends who pay attention to lighting or lighting design will come into contact with a term called "color rendering index". What does this mean? Let's find out together.

What is the color rendering index (CRI)?

The color rendering index of the light source refers to the parameter of the ability of the light source to restore the color of the object. It is mainly used to define the difference in the chromaticity of the LED light source. The score of this index is 0-100.
Simply put: color rendering is an important aspect of evaluating the quality of lighting, and color rendering index is an important method to evaluate the color rendering of light sources, and an important parameter to measure the color characteristics of artificial light sources. The higher the color rendering index, the higher the color rendering index of the light source. The better the color, the stronger the ability to restore the color of the object.
The Commission Internationale defines color rendering as: compared with a standard reference light source, the effect of a light source on the color appearance of an object.
General color rendering index: the larger the Ra, the better the color rendering performance; on the contrary, the worse the color rendering performance. The color rendering index of sunlight is defined as 100.
Although the "color rendering index" does not represent all of a lamp. But "high CRI" can largely determine the effect of lighting-high color reproduction

https://www.yiford.com/why-choose-high-color-redering-index-what-is-cri-.html

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