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Posts Tagged observer preferences

Is Color Quality Scale (CQS) an improvement on CRI?

Solid state lighting industry at an impasse efforts to replace CRI with CQS (Color Quality Scale) As advances in solid state lighting products, especially LEDs, continue to push into the marketplace displacing incandescent and fluorescent lighting products, it only stands to reason that evaluation methods for these products, such as the measurement of color fidelity, or CRI – now almost 50 years old – isn’t cutting it. As we mentioned in a previous article, CRI has been found to be an inaccurate, unreliable predictor of color preference of solid-state lighting products such as light-emitting diodes (LEDs), which emit a much different […]

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