DOE Publishes CALiPER Report on Chromaticity Shift Modes of LED PAR38 Lamps

The U.S. Department of Energy's CALiPER program has released Report 20.5, which is part of a series of investigations on LED PAR38 lamps. The new report builds on CALiPER Report 20.4 by providing a tear-down analysis of its 32 LED PAR38 lamp models and also performing additional analyses on the spectroradiometric data obtained using a specially developed automated long-term test apparatus. 
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