Improvement of color rendering ability for multi-chip LED packages by using Y2O3:Eu3+ phosphor

N. Q. Anh, Thoai Phu Vo
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Abstract

This study presents a novel solution, application of the red Y2O3:Eu3+ dopant phosphor, for enhancing color rendering index to more 86 for multi-chip white LED lamps (MCW-LEDs) having correlated color temperature (CCT) of 7700 K. Besides, the impacts of the Y2O3:Eu3+ phosphor on the attenuation of light through phosphor layers of the various packages is also demonstrated based on the Beer-Lambert law. Simulation results provide important conclusion for selecting and developing the phosphor materials in MCW-LEDs manufacturing.
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利用Y2O3:Eu3+荧光粉提高多芯片LED封装显色能力
本研究提出了一种新的解决方案,即应用红色Y2O3:Eu3+掺杂荧光粉,将相关色温(CCT)为7700 K的多芯片白光LED灯(mcw -LED)的显色指数提高到86以上。此外,基于Beer-Lambert定律还证明了Y2O3:Eu3+荧光粉对光通过不同封装荧光粉层的衰减的影响。仿真结果为mcw - led制造中荧光粉材料的选择和开发提供了重要的结论。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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