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High-power LED thermal resistance characteristics, the overall temperature distribution and using heat dissipation method all have significant impacts on the reliability of the LED work but there is no effective measuring method in production practice. In this paper, we use infrared thermal imaging technology to get 1W high power LED transient thermal field map. Through visual means, we can clearly observe the overall high power LED thermal field distribution. Accordingly, the impact of the overall temperature distribution of LED on its thermal design and reliability will be discussed. At the same time, it also proves that the infrared thermal imaging technology can be used as an effective means of high-power LED thermal testing and analysis.
Strategic Technology (IFOST), 2011 6th International Forum on (Volume:1 )
Date of Conference: 22-24 Aug. 2011