[1] Yan Ping, Li Jianqing. Computer aid design of optical system of LED for illumination [J]. Semiconductor Optoel Ectroncs, 2004, 25(3): 181-200.
[2] Li Lin, Wang Guangzhen, Wang Lili, et al.. Lens design for uniform illumination with LED [J]. Acta Optica Sinica, 2012, 32(2): 0222002.
[4] Shogo Kitano, Shinichiro Haruyama, Masao Nakagawa. LED road illumination communications system [J]. Vehicular Technology Conference 2003, 2003, 5: 3346-3350.
[6] Hans Joachim Frasch, Gerhard Steinmeiz, Carl Zeiss. Monte Carlo methods in raytracing software [C]. SPIE, 2002, 4769: 55-64.
[7] J Mackey. Accuracy and efficiency of raytracing photoionisation algorithms [J]. Astronomy & Astrophysics, 2012, 539: A147-A161.
[8] Matthias B Hulin, Johannes Hanika, Wolfgang Heidrich. Polynomial optics: a construction kit for efficient ray-tracing of lens systems [J]. Computer Graphics Forum, 2012, 31(4): 1375-1383.
[9] Tu Hao, Chen Jiabi, Qin Han, et al.. An optical design based on improving LED array far field illumination intensity [J]. China Illuminating Engineering Journal, 2013, 24(1): 74-80.
[10] Michael Bass. Handbook of Optics (3rd edn.) [M]. Washington DC: Optical Society America, 2009. 42-127.
[11] Jiang Jinbo, To Sandy, W B Lee. Design and fabrication of freeform feflector for automotive lighting system [J]. China Illuminating Engineering Journal, 2008, 19(3): 46-52.
[12] Qingfeng Wang, Dewen Cheng, Yongtian Wang, et al.. Design, tolerance, and fabrication of an optical see-through head-mounted display with free-form surface elements [J]. Appl Opt, 2013, 52(7): 88-99.
[13] ZEMAX Manual. Optical Design Program User′s Guide [M]. ZEMAX Development Corporation, 2009. 266-285.
[14] Bin-Juine Huang, Chun-Wei Chen, Chin-Dian Ong, et al.. Development of constant-power driving control for light-emitting-diode (LED) luminaire [J]. Applied Thermal Engineering, 2013, 50(1): 645-651.
[15] Diego G Lamar, Manual Arias, Alberto Rodriguez. Design-oriented analysis performance evaluation of a low-cost high-brightness LED driver based on flyback power factor corrector [J]. IEEE Trans Industrial Electronics, 2013, 60(7): 2614-2626.