[1] Liu S, Luo X B. LED Packaging for Lighting Applications: Design, Manufacturing, and Testing. New York: John Wiley Press, 2011
[2] Yu R Y, Jin S Z, Cen S Y, Liang P. Effect of the phosphor geometry on the luminous flux of phosphor-converted light-emitting diodes. IEEE Photonics Technology Letters, 2010, 22(23): 1765-1767
[3] Lin Y C, You J P, Tran N T, He Y Z, Shi F G.Packaging of phosphor based high power white LEDs: Effects of phosphor concentration and packaging configuration. Journal of Electronic Packaging, 2011, 133(1): 011009-011014
[4] Shuai Y, He Y, Tran N T, Shi F G. Angular CCT uniformity of phosphor converted white LEDs: Effects of phosphor materials and packaging structures. IEEE Photonics Technology Letters, 2011, 23(3): 137-139
[5] Masui H, Nakamura S, Denbaars S P. Effects of phosphor application geometry on white light-emitting diodes. Japanese Journal of Applied Physics, 2006, 45(34): L910-L912
[6] Liu Z Y, Liu S,Wang K, Luo X B. Studies on optical consistency of white LEDs affected by phosphor thickness and concentration using optical simulation. IEEE Transactions on Components and Packaging Technologies, 2010, 33(4): 680-687
[7] Wang K, Wu D, Chen F, Liu Z Y, Luo X B, Liu S. Angular color uniformity enhancement of white light-emitting diodes integrated with freeform lenses. Optics Letters, 2010, 35(11): 1860-1862
[8] Lee T X, Gao K F, Chien W T, Sun C C. Light extraction analysis for GaN-based LEDs with pyramid array. Optics Letters, 2007, 15: 6670-6675
[9] Liu Z Y, Wang K, Luo X B, Liu S. Precise optical modeling of blue light-emitting diodes by Monte Carlo ray-tracing. Optics Express, 2010, 18(9): 9398-9412
[10] Liu Z Y, Liu S, Wang K, Luo X B. Optical analysis of color distribution in white LEDs with various packaging methods. IEEE Photonics Technology Letters, 2008, 20(24): 2027-2029
[11] Liu Z Y, Liu S, Wang K, Luo X B. Measurement and numerical studies of optical properties of YAG:Ce phosphor for white lightemitting diode packaging. Applied Optics, 2010, 49(2): 247-257
[12] Hu R, Luo X B, Liu S. Study on the optical properties of conformal coating light-emitting diodes by Monte Carlo simulation. IEEE Photonics Technology Letters, 2011, 23(22): 1673-1675