4Berson D M, Dunn F A, Motoharu Takao. Phototrasduction by retinal ganglion cells that set the circadian clock [J]. Science(S0036-8075), 2002, 295(5557): 1070-1073.
5Wout J M, van Bommel. Non-visual biological effect of lighting and the practical meaning for lighting for work [J]. Applied Ergonomics(S0003-6870), 2006, 37(4): 461-466.
6GILLETTE M U, TISCHKAU S A. Suprachiasmatic nucleus: The brain's circadian clock [J]. Recent Progress in Hormone Research(S0079-9963), 1999, 54: 33-59.
7Szymon Bqczkowski. Advanced dimming strategy for solid-state luminaires [J]. Proc. of SPIE(S0277-786X), 2010, 7784: 77840M.
8GU Yi-min, Nadarajah Narendran, DONG Tian-ming, et al. Spectral and Luminous Efficacy Change of High-power LEDs Under Different Dimming Methods [J]. Proe. of SPIE(S0277-786X), 2010, 6337: 63370J.
9Dyble M, Narendran N, Bierman A, et al. Impact of dimming white LEDs: Chromaticity shifts due to different dimming methods [J]. Proc. of SPIE(S0277-786X), 2010, 5941: 59411H.
10Beczkowski S, Munk-Nielsen S. LED spectral and power characteristics under hybrid PWM/AM dimming strategy [C] //Energy Conversion Congress andExposition, Atlanta, G A, Sept 12-16, 2010: 731-735.