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Thermal Analysis of Light Emitting Diode Integrated Light Source Based on a Fourier Series Solution

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4 Author(s)
Jie Yu ; School of Physics and State Key Laboratory of Artificial Microstructure and Mesoscopic Physics, Peking University, Beijing, China ; Jianing Lu ; Yuzhen Tong ; Guoyi Zhang

It is difficult to measure the junction temperature of every chip in the light emitting diode (LED) integrated light source by using common experimental methods. In this paper, a model to simulate the whole temperature field in sources face of LED integrated light is proposed. Fourier-based solution is used to solve the heat equation in three dimensions. The thermal model is programmed by Matlab and has been validated by finite element method simulations. The comparison shows that the relative error between these two models is within 3.6%.

Published in:

IEEE Transactions on Components, Packaging and Manufacturing Technology  (Volume:3 ,  Issue: 4 )