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   Articles with "duv leds" as a keyword



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Enhanced Wall Plug Efficiency of AlGaN-Based Deep-UV LEDs Using Mo/Al as p-Contact

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recommendations! Published in 2020 at "IEEE Photonics Technology Letters"

DOI: 10.1109/lpt.2020.3003164

Abstract: P-type contacts with a high reflectivity in the ultraviolet spectral region made of molybdenum/aluminum (Mo/Al) on AlGaN-based deep-ultraviolet light-emitting diodes (DUV LEDs) emitting at 265 nm have been investigated. Optimized Mo/Al contacts are shown to… read more here.

Keywords: contact; algan based; wall plug; enhanced wall ... See more keywords
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High Light Extraction Efficiency of Deep Ultraviolet LEDs Enhanced Using Nanolens Arrays

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recommendations! Published in 2018 at "IEEE Transactions on Electron Devices"

DOI: 10.1109/ted.2018.2823742

Abstract: To improve the light extraction efficiency (LEE) of AlGaN-based deep ultraviolet LEDs (DUV-LEDs) by simple and effective method, this has greatly attracted ever-growing attention in DUV-LEDs field. Here, nanolens arrays (NLAs) fabricated by nanophotolithography and… read more here.

Keywords: ultraviolet leds; duv leds; light extraction; extraction efficiency ... See more keywords
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Thermal behavior of AlGaN-based deep-UV LEDs.

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recommendations! Published in 2022 at "Optics express"

DOI: 10.1364/oe.457740

Abstract: This study utilized thin p-GaN, indium tin oxide (ITO), and a reflective passivation layer (RPL) to improve the performance of deep ultra-violet light-emitting diodes (DUV-LEDs). RPL reflectors, which comprise HfO2/SiO2 stacks of different thickness to… read more here.

Keywords: rpl; thin gan; duv leds; thermal behavior ... See more keywords
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Sidewall geometric effect on the performance of AlGaN-based deep-ultraviolet light-emitting diodes.

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recommendations! Published in 2022 at "Optics express"

DOI: 10.1364/oe.475219

Abstract: In this study, deep-ultraviolet light-emitting diodes (DUV LEDs) with different chip sidewall geometries (CSGs) are investigated. The structure had two types of chip sidewall designs that combined DUV LEDs with the same p-GaN thickness. By… read more here.

Keywords: emitting diodes; duv leds; deep ultraviolet; ultraviolet light ... See more keywords