[1] Shukla P K, Mamun A A. Introduction to solid state lighting[J]. Plasma Physics and Controlled Fusion, 44, 395-395(2002).

[2] Schubert E F, Kim J K. Solid-state light sources getting smart[J]. Science, 308, 1274-1278(2005). http://onlinelibrary.wiley.com/resolve/reference/PMED?id=15919985

[3] Krames M R, Shchekin O B, Mueller-Mach R et al. Status and future of high-power light-emitting diodes for solid-state lighting[J]. Journal of Display Technology, 3, 160-175(2007). http://ieeexplore.ieee.org/document/4211194/

[4] Liang X. Simultaneously multiple surface design method for LED collimator based on nonimaging optics[D]. Hangzhou: Zhejiang University of Technology, 4-5(2012).

[5] Wang H H. Study on optical design methods for high power LED extended sources[D]. Guangzhou: South China University of Technology, 22-31(2001).

[6] Benítez P, Miñano J C, Blen J et al. Simultaneous multiple surface optical design method in three dimensions[J]. Optical Engineering, 43, 1489-1502(2004). http://scitation.aip.org/getabs/servlet/GetabsServlet?prog=normal&id=OPEGAR000043000007001489000001&idtype=cvips&gifs=Yes

[7] Shatz N. Generalized functional method of nonimaging optical design[J]. Proceedings of SPIE, 6338, 633805(2006). http://spie.org/Publications/Proceedings/Paper/10.1117/12.731897

[8] Bortz J, Shatz N. Iterative generalized functional method of nonimaging optical design[J]. Proceedings of SPIE, 6670, 66700A(2007). http://proceedings.spiedigitallibrary.org/proceeding.aspx?articleid=815880

[9] Fournier F R, Cassarly W J, Rolland J P. Optimization of single reflectors for extended sources[J]. Proceedings of SPIE, 7103, 710301(2008). http://spie.org/Publications/Proceedings/Paper/10.1117/12.800377

[10] Fournier F R, Cassarly W J, Rolland J P. Fast freeform reflector generation using source-target maps[J]. Optics Express, 18, 5295-5304(2010). http://www.ncbi.nlm.nih.gov/pubmed/20389542

[11] Wang K, Han Y J, Li H T et al. Overlapping-based optical freeform surface construction for extended lighting source[J]. Optics Express, 21, 19750-19761(2013). http://europepmc.org/abstract/med/24105523

[12] Li X, Huang Y F, Tan Y Q et al. Optimization method for compact lighting system based on SelPSO algorithm[J]. Journal of Applied Optics, 37, 595-601(2016).

[13] Ding Y, Liu X, Zheng Z R et al. Freeform LED lens for uniform illumination[J]. Optics Express, 16, 12958(2008). http://europepmc.org/abstract/MED/18711534

[14] Wang K. Free-form surface optics research on high-power LED package and application[D]. Wuhan: Huazhong University of Science and Technology, 22-36(2011).

[15] Luo Y, Zhang X P, Wang L et al. Nonimaging optics and its application in solid state lighting[J]. Chinese Journal of Lasers, 35, 963-971(2008).

[16] Luo Y, Feng Z X, Han Y J et al. Optics in solid state lighting[J]. Acta Optica Sinica, 31, 0900117(2011).

[17] Xin D, Liu H, Lu Z W et al. Optical design of the LED illumination system with adjustable view angle[J]. Acta Optica Sinica, 33, 0522003(2013).

[18] Li M Y, Sun J L, Zhang D W et al. Optical system design for ultraviolet-LED curing based on the structure of freeform surface[J]. Acta Optica Sinica, 34, 1222003(2014).

[19] Winston R, Miñano J C, Benítez P[M]. Nonimaging optics(2005).

[20] Xu J J, Huang Y H, Wang Q et al. Reactive power optimization in distribution network with DG based on natural selection particle swarm optimization[J]. Electrical Measurement & Instrumentation, 51, 33-38, 50(2014).

[21] Liu Z J[M]. Matlab application program interface guide, 225-230(2000).