Ms. Yue Wang Profile

Yue Wang

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Proceedings Article | 6 March 2023 Paper

LED spectral optimization based on intermediate vision

Yue Wang, Shan Zhao, Linyuan Wang, Jiaqi Ju, Peijun Yao

Proceedings Volume 12553, 125530Y (2023) https://doi.org/10.1117/12.2667406

KEYWORDS: Light emitting diodes, Visualization, Light sources, Color, Tolerancing, Luminous efficiency, Luminous efficacy, LED lighting, Visual process modeling, Light sources and illumination

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High luminous efficiency and good colour rendering are the goals of white light spectral optimisation, improving the quality of light and creating a comfortable light environment is the direction of research. The goal of the work is to establish a multi-channel spectral optimization technique for light emitting diodes (LEDs) based on visual advantages. Using actual LED parameters as input, the traditional colour rendering index (Ra) and a stricter colour tolerance was used as constraints in the visual evaluation. Specifically, Ra>90, luminous efficacy of radiation (LER)>300, color tolerance less than five SDCM. Those that satisfy all three conditions at the same time are used as the solution set for intermediate vision evaluation. The results of the study show that at least four channels are used to satisfy the constraints. Additionally, we examined the relationship between S/P values and color temperature (CCT) when using intermediate vision, and the findings indicate that LED light sources with higher color temperatures are better suited for these situations.

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