The color temperature tunable warm-white/cool-white (WW/CW) LED cluster with extrahigh color rendering index (CRI) and high luminous efficacy of radiation (LER) has been obtained by simulation. The results show that the WW/CW LED cluster could realize correlated color temperature tunable white-lights with CRIs above 95, special CRIs of R9 above 81, and LERs above 310lm/W at CCTs of 2700K to 6500K.

© 2013 OSA

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