A Bipolar-Pulse Voltage Method for Junction Temperature Measurement of Alternating Current Light-Emitting Diodes

Honghui Zhu,Yijun Lu,Tingzhu Wu,Ziquan Guo,Lihong Zhu,Jingjing Xiao,Yi Tu,Yulin Gao,Yue Lin,Zhong Chen

IEEE Transactions on Electron Devices（2017）

引用 14|浏览6

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摘要

We introduce a new method for measuring the junction temperature of alternating current light-emitting diodes. This method employs a periodic bipolar voltage pulse signal as the input, and utilizes the amplitude of corresponding output current as the temperature sensitive parameter (TSP), of which a linear temperature dependence is proven in a prior experiment in this paper. On the basis of the TS...

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关键词

Temperature measurement,Junctions,Heat sinks,Thermal resistance,Light emitting diodes,Current measurement,Electrical resistance measurement

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