[3] MIANO J C, BENTEZ P, CHAVES J, et al. High-efficiency LED backlight optics designed with the flow-line method[C]. SPIE, 2005, 5942: 594202.
[4] WU Reng-mao, TU Da-wei, HUANG Zhi-hua, et al. A light distribution proposal for designing LED dipped headlight[J]. Acta Photonica Sinica, 2009, 38(11): 2904-2908.
[5] YANG Yi, QIAN Ke-yuan, LUO Yi. A novel LED uniform illuminance system based on nonimaging optics[J]. Optical Technique, 2007, 33(1): 110-115.
[7] FOURNIER F R, CASSARLY W J, ROLLAND J P. Fast freeform reflector generation using source-target maps[J]. Optics Express, 2010, 18(5): 5295-5304.
[8] HAO Xiang, ZHENG Zhen-rong, LIU Xu, et al. Freeform surface lens design for uniform illumination[J]. Journal of Optics and Applied Optics, 2008, 10(7): 5005-5010.
[9] LUO Yi, FENG Ze-xin, HAN Yan-jun, et al. Design of compact and smooth free-form optical system with uniform illuminance for LED source[J]. Optical Society of America, 2010, 18(9): 9055-9063.
[10] RYU K, RHEE J G, PARK K M, et al. Concept and design of modular Fresnel lenses for concentration solar PV system[J]. Solar Energy, 2006, 80(3): 1580-1587.
[12] WINSTON R, MINANO J C, BENTEZ P. Nonimaging optics[M]. London: Elsevier Academic Press, 2005: 99.
[13] JULIO C. Introduction to nonimaging optics[M]. New York: CRC Press, 2008: 474-475.