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Color Rendering in the Age of LED: The Shift from CRI to TM-30-15
- By Lumistrips LED Professional
- Apr 11, 2023
The CRI is a number quantification of the ability of the artificial source of reproducing colors, compared with reference standard illuminant modeled after daylight.
It was introduced by the International Commission on Illumination (CIE) in 1974, because of the wide variation in the ability to reproduce colors with the white light emitted by the many types of gas-lamps then on the market. Today, with over 40 years of use, the CRI index is firmly rooted in the lighting industry and among professionals.
From 2000s onward, LED technology has exposed the limits of the CRI index test method.
LED is the first lighting source that can be used for every application and have the full range of performance and quality level, including the ability to accurately reproduce colors. This comes from the fact that LEDs are built directly into fixtures, lamps and strips, as in the example image below: