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Journal of Electronic Materials
Published in: Journal of Electronic Materials 1/2023

12-10-2022 | Original Research Article

Study on the Enhancement of Light Intensity and High Color Rendering Index of a White Light Emitting Diode

Authors: Shao-Hwa Hu, Yen-Sheng Lin, Shui-Hsiang Su, Hang Dai, Jing-Shi He

Published in: Journal of Electronic Materials | Issue 1/2023

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Abstract

In this study, there are two objectives had been done. The first involved the fabrication of a white light emitting diode (LED) with a high color rendering index (CRI) through the near-ultraviolet excitation of red, green, and blue phosphors, and the phosphor ratios were adjusted to obtain a color temperature of 2800 K. Due to this LED had relatively low brightness, the addition of gold nanoparticles at various concentrations had been done to enhance light reflection within the LED, thereby improving the light output. The nanoparticle diameters were measured through high-resolution transmission electron microscopy, and the chromaticity coordinates, CRI, luminous flux, and radiation power of the light source were measured using an integrating sphere. Finally, a white LED with a high CRI and a high light intensity was successfully developed.
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Metadata
Title
Study on the Enhancement of Light Intensity and High Color Rendering Index of a White Light Emitting Diode
Authors
Shao-Hwa Hu
Yen-Sheng Lin
Shui-Hsiang Su
Hang Dai
Jing-Shi He
Publication date
12-10-2022
Publisher
Springer US
Published in
Journal of Electronic Materials / Issue 1/2023
Print ISSN: 0361-5235
Electronic ISSN: 1543-186X
DOI
https://doi.org/10.1007/s11664-022-09983-z

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