Prof. Naoki Shibata Profile

Prof. Naoki Shibata

at Nikkiso Co Ltd

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Author

Publications (2)

Proceedings Article | 5 March 2021 Presentation + Paper

Decrease in the injection efficiency and generation of midgap states in UV-C LEDs: a model based on rate equations

F. Piva, C. De Santi, M. Buffolo, M. Deki, M. Kushimoto, H. Amano, H. Tomozawa, N. Shibata, G. Meneghesso, E. Zanoni, M. Meneghini

Proceedings Volume 11686, 1168611 (2021) https://doi.org/10.1117/12.2578134

KEYWORDS: Light emitting diodes, Ultraviolet radiation, Ultraviolet light emitting diodes, Optical testing, Medical device development, Light sources and illumination, Gallium

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Proceedings Article | 16 February 2020 Paper

Role of defects in the mid-term degradation of UV-B LEDs investigated by optical and DLTS measurements

F. Piva, C. De Santi, M. Deki, M. Kushimoto, H. Amano, H. Tomozawa, N. Shibata, G. Meneghesso, E. Zanoni, M. Meneghini

Proceedings Volume 11280, 1128015 (2020) https://doi.org/10.1117/12.2544704

KEYWORDS: Light emitting diodes, UV optics, Optical testing, Ultraviolet light emitting diodes, Magnesium, Internal quantum efficiency, Ultraviolet radiation

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