[2] Berson 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.
[4] Wout JM,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.
[5] GILLETTE M U,TISCHKAU S A. Suprachiasmatic nucleus:The brain's circadian clock [J]. Recent Progress in Hormone Research(S0079-9963),1999,54:33-59.
[7] Szymon B.czkowski. Advanced dimming strategy for solid-state luminaires [J]. Proc. of SPIE(S0277-786X),2010,7784: 77840M.
[8] GU Yi-min,Nadarajah Narendran,DONG Tian-ming,et al. Spectral and Luminous Efficacy Change of High-power LEDs Under Different Dimming Methods [J]. Proc. of SPIE(S0277-786X),2010,6337:63370J.
[9] Dyble 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.
[10] Beczkowski S,Munk-Nielsen S. LED spectral and power characteristics under hybrid PWM/AM dimming strategy [C] //Energy Conversion Congress and Exposition,Atlanta,G A,Sept 12-16,2010:731-735.
[13] Boyce P R,Beckstead J W,Eklund N H,et al. Lighting the graveyard shift:the influence of a daylight-simulating skylight on the task performance and mood of nightshift workers [J]. Light.Res.Technol(S1477-1535),1997,29:105–134.
[14] Muthu S,Schuurmans F J,Pashley M D,et al. Red,green,and blue LED based white light generation:Issues and control [C]//37th Annual IEEE-IAS meeting,Pittsburgh,PA,USA,Oct 13-18,2002:323–333.
[15] ZHANG Yin-xin,ZHANG Zhen,HUANG Zhan-hua,et al. Apparent Brightness of LEDs under Different Dimming Methods [J]. Proc. of SPIE(S0277-786X),2007,6841:6841-01-6841-09.