National Institute of LED Standards and Technology
Date:2011-05-26 13:56
Status:Be resolved
Question:admin
In June 2008, scientists at the National Institute of Standards and Technology (NIST) announced the first two standards for solid-state lighting in the United States. These standards detail the color specifications of LED lamps and LED light fixtures, and the test methods that producers should use when testing these solid-state lighting products for total light output, energy use, and chromaticity or color quality.
The Illuminating Engineering Society of North America (IESNA) published a documen
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