Light science and color rendering was a major theme at SIL. Wendy Davis, a vision scientist at the US National Institute of Standards and Technology (NIST), discussed the trade-off between color-rendering performance and luminous efficacy. Davis said that combinations of LEDs should be used “if you want awesome color no matter what, and energy isn’t a huge concern in your application.” However, she acknowledged that some applications just need “good enough color to get by” because efficiency is more important.
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