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Abstract
The article investigates the effect of heating of the LEDs active region (AR) on the luminescence efficiency of LEDs of various spectral ranges. As a result of the work the method for contactless determination of the active LED region temperature with account the influence of the Stark effect was created. The method is based on the analysis of the long-wave part of the spectrum whose behavior primarily depends on the crystal temperature.
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Details
1 Saint-Petersburg Electrotechnical University “LETI”, ul. Prof. Popova 5, St. Petersburg 197376, Russia