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Determination of Junction Temperature in InGaN and AlGaInP Light-Emitting Diodes

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3 Author(s)
Ya-Ju Lee ; Inst. of Electro-Opt. Sci. & Technol., Nat. Taiwan Normal Univ., Taipei, Taiwan ; Chia-Jung Lee ; Chih-Hao Chen

The junction temperature of a light-emitting diode (LED) directly and greatly affects its performances. Therefore, the reliable measurement and accurate estimation of the junction temperature of an LED is extremely important. This paper proposes an approach for directly determining the dependence of junction temperature on injected currents in InGaN and AlGaInP LEDs. Various important physical parameters that affect the junction temperature of an LED are also considered.

Published in:

Quantum Electronics, IEEE Journal of  (Volume:46 ,  Issue: 10 )