A multi-functional nine channels full-spectrum light emitting diode color temperature palette.

ABSTRACT: A multi-functional nine-channel full-spectrum light emitting diode color temperature palette is proposed. The color temperature (CCT) of the palette can be continuously tuned at 1K interval within the range of 2500K-6500K. A high color rendering index (CRI) is achieved, with Ra > 94 and R1-R15 > 90. A fidelity index (Rf) greater than 91 is obtained, and the gamut index (Rg) within the range of 96 ≤ Rg ≤ 104 is achieved. Additionally, A chromaticity deviation (Duv) within the range of |Duv| < 0.001 is realized. The circadian effect with melanopic efficacy of luminous radiation(MELR) of 0.6 mW/lm-1.14 mW/lm and circadian action factor(CAF) of 0.289 blm/lm-0.656 blm/lm are obtained. To verify the theoretical model's stability, the Gaussian distribution function of monochromatic LED spectrum i

SUBMITTER: Liang J 

PROVIDER: S-EPMC12373186 | biostudies-literature | 2025

REPOSITORIES: biostudies-literature