[2] Tsai J Z, Chang R S, Ling T Y, et al. LED backlight module by a lightguide-diffusive component with tetrahedron reflector array[J]. Journal of Display Technology, 2012, 8(6): 321-328.

[3] Andrzej Pawlak, Krzysztof Zaremba. Reflector luminaire with high power light-emitting diodes for general lighting[J]. Chinese Optics Letters, 2008, 47(3): 467-473.

[4] Xia Xunli, Yu Binhai, Mai Zhenqiang. Design on approximate lambertian LED opto lens configuration [J]. Elec Opt Tech Appli, 2010, 25(1): 22-37. (in Chinese)

[5] Sun Liwei, Jin Shangzhong, Cen Songyuan. Free form micro lens design for solid state lighting[J]. Acta Photo Sinica,2010, 39(5): 860-865. (in Chinese)

[6] Zhao Hualong, Liang Zhiyi, Shi Xing, et al. The design of LED use in optical project [J]. Acta Photo Sinica, 2007, 36(2): 244-246. (in Chinese)

[7] Yang Yi, Qian Keyuan, Luo Yi. A novel LED uniform illuminance system based on nonimaging optics [J]. Opti Tech, 2007, 33(1): 110-115. (in Chinese)

[8] Wang G, Wang L, Li L, et al. Secondary optical lens designed in the method of source-target mapping[J]. Applied Optics, 2011, 50(21): 4031-4036.