National Institute of Standards and Technology

The Evolution of White Light
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The Evolution of White Light

New color rendering metrics and technologies are addressing lighting quality... Read more

LEDs: Decoding Color Performance
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LEDs: Decoding Color Performance

Solid-state lighting is forcing the industry to examine longstanding metrics. Read more

After CRI
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After CRI

Lighting designers commonly rely on two metrics to evaluate, compare, and predict... Read more

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