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Junction temperature is a critical parameter for light emitting diode (LED) lifetime and performance estimation. However, it is hard to obtain the junction temperatures in multiple LEDs packaging. In this paper, a estimation method for junction temperatures of multiple LEDs packaging was presented. The method based on an analytical model, and temperature of a point at the substrate surface should...
A simple, fast, and reliable characterization of thermal properties method to determine junction temperature (Tj) in high power GaN-based light emitting diodes (LED) was presented in this study. Thermal characteristics of high power light-emitting-diode have been analyzed by using a three-dimensional thermal conduction model. Maximum operation temperature has also been calculated. The induced thermal...
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