Technical Physics Letters
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- 2024
- 2023
- 2022
The electro-thermo-optical characteristics and limiting energy capabilities of high-power deep ultraviolet light emitting diodes (λ~ 270 nm)
The current and temperature dependences of the electrical, power and spectral characteristics of high-power deep-UV LEDs (λ~ 270 nm) have been studied. The main parameters of LED (internal quantum efficiency and light extraction efficiency) which determine output power capacity of the UV LED have been calculated using the ABC-model. The influence of current distribution, electrical losses and thermal resistance as factors limiting the energy capabilities was estimated. Keywords: AlGaN, UV LED, quantum efficiency, light extraction efficiency, temperature dependence, ABC-model.
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Дата начала обработки статистических данных - 27 января 2016 г.