[1] C. -C. Sun, C. -Y. Chen, H. -Y. He et al.. Precise optical modeling for silicate-based white LEDs[J]. Opt. Express, 2008, 16(24): 20060~20066
[2] C. -C. Sun, W. -T. Chien, I. Moreno et al.. Analysis of the far-field region of LEDs[J]. Opt. Express, 2009, 17(16): 13918~13927
[4] Deng Yuanding. Design Uniform Illumination Systems by Surface-Tailored Lens and Configurations of LED Arrays[D]. Taipei: National Taiwan University of Science and Technology, 2006
[5] C. C. Sun, T. -X. Lee, S. -H. Ma et al.. Precise optical modeling for LED lighting verified by cross correlation in the midfield region[J]. Opt. Lett., 2006, 31(14): 2193~2195
[6] Zongyuan Liu, Kai Wang, Xiaobing Luo et al.. Precise optical modeling of blue light-emitting diodes by Monte Carlo ray-tracing[J]. Opt. Express, 2010, 18(9): 9398~9412
[7] Zexin Feng, Yi Luo, Yanjun Han. Design of LED freeform optical system for road lighting with high luminance/illuminance ratio[J]. Opt. Express, 2010, 18(21): 22020~22031
[8] Hao Xiang, Zheng Zhenrong, Liu Xu et al.. Freeform surface lens design for uniform illumination[J]. J. Opt. A: Pure Appl. Opt., 2008, 10(7): 075005
[9] Kai Wang, Sheng Liu, Fei Chen. Freeform LED lens for rectangularly prescribed illumination[J]. J. Opt. A: Pure Appl. Opt., 2009, 11(10): 105501
[11] Byungwook Kim, Hokwan Kim, Shinill Kang. Reverse functional design of discontinuous refractive optics using an extended light source for flat illuminance distributions and high color uniformity[J]. Opt. Express, 2011, 19(3): 1794~1807