2Arik M, Petroski J, Weaver S. Thermal Challenges in the Future Generation Solid State Lighting Spplications: Light Emitting Di- odes[J]. Proc IEEE Intersociety Conf Thermal Phenomena awaii, 2002a: 113-120.
3Kang B, Yang B, Park K, et al. Performance Evaluations of LED Headlamps [J]. International Journal of Automotive Teehnology,2010, 11(5) : 737-742.
4Steele, Robert V. LED Automotive Headlamps Move Closer to Market [ J ]. Laser Focus World, 2005,41 ( 11 ) : 91-95.
5Lan Kim, Jong Hwa Choi, Sun Ho Jang, et al. Thermal Analysis of LED Array System with Heat Pipe [J]. Thermoehimica Acta, 2007,455 : 21-25.
6Junhui Li, Bangke Ma, Ruishan Wang, et al. Study on a Cooling System Based on Thermoelectric Cooler for Thermal Management of High-Power LEDs [J]. Microelectronics Reliability, 2011,51 : 2210-2215.
7Yan Lai, Nieolas Cordero, Frank Barthel, et al. Liquid Cooling of Bright LEDs for Sutomotive Spplications[J]. Applied Thermal En- gineering, 2009,29 ( 5-6 ) : 1239-1244.
8Sparrow E M, Vemuri S B. Orientation Effects on Natural Convec- tion/Radiation Heat Transfer from Pin-Fin Arrays [J]. Int J Heat Mass Transfer, 1986,29(3) : 359-368.
9. Petroski J. Spacing of High-Brightness LEDs on Metal Substrate PCB's for Proper Thermal Performance [C]//Proceedings of the Ninth Intersociety Conference on Thermal and Thermomechanical Phenomena in Electronic Systems, 2004 : 507-514.
10Narendran N, Gu Y M. Life of LED-Based White Light Sources [ J ]. Journal of Display Technology, 2005,1 ( 1 ) : 167-171.