[1] Chen Yu. LED manufacturing technologies and applications[J]. Beijing: Publishing House of Electronics Industry, 2013: 2-28.
[2] Liu Zuming, Li Xiaotao. LED lighting design and applications[J]. Beijing: Publishing House of Electronics Industry, 2014: 1-33.
[3] Hao Jian, Liu Hua, Sun Qiang, et al.. Optimization of freeform surface lens for collimating illumination of LED[J]. Laser & Optoelectronics Progress, 2014, 51(3): 032302.
[4] Li Denggao, Yin Songfeng, Ling Yongshun, et al.. A feedback design method of freeform reflector for uniform illumination with extended sources[J]. Acta Photonica Sinica, 2014, 43(4): 0422001.
[6] Kong Xiaohui, Bai Yanzhu, Yang Yali. Optical system design and simulation of LED line source for ultraviolet curing[J]. Acta Optica Sinica, 2013, 33(2): 0222002.
[7] Zhang Chengliang. Freeform surface lens design for LED uniform illumination[J]. Electronic Science and Technology, 2014, 27(9): 172-177.
[9] Gu Changxin, Computation physics[M]. Shanghai: Fudan University Press, 2010: 152-158.
[10] Davis A, Kühnlenz F. Optical design using Fresnel lens[J]. Optik & Photonik, 2007, 2(4), 52-55.