一种新的LED结温建模与测量方法

2016 13th China International Forum on Solid State Lighting (SSLChina) Pub Date : 2016-11-01 DOI:10.1109/SSLCHINA.2016.7804348

Xiangyu Huang, Yuzhen Xu, Weiming Lin

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引用次数: 0

摘要

热特性是LED的一个重要因素。但是结温作为一个内部参数，不容易测量。本文基于理想二极管和电阻串联的LED电路模型，提出了一种新的LED结温Tj模型。可从油浴实验中提取参数。这样就可以推导出结温。通过油浴实验和光学实验验证了该方法的准确性。

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A new method of LED junction temperature modeling and measurement

Thermal feature is an important factor of LED. However, as an internal parameter, junction temperature cannot be measured easily. Based on the LED circuit model, which is an ideal diode and a resistor in series, a new model of LED junction temperature Tj is proposed in this paper. Parameters can be extracted from the oil bath experiments. In this way, junction temperature can be derived. The accuracy of the method is verified through the oil bath experiments and optical experiments.

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2016 13th China International Forum on Solid State Lighting (SSLChina)

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