Effects of GaN blue LED chip and phosphor on optical performance of white light LED

Huishan Zhao, Changying Chen, S. W. R. Lee
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Abstract

In this paper, the phosphor-converted white light LED was studied. Samples under investigation included various types of GaN blue LED chips and phosphor powders with different concentrations. Using an integrating sphere and spectrometer system, the effects of blue LED chips and phosphors on the optical performance of white light LED were analyzed comprehensively. From the experimental study, several conclusions could be drawn. The relationships between the radiant flux of the blue LED chip, the spectrum of the LED and the phosphor, and the optical performance of the resulting white light LED are discussed in detail in this paper.
GaN蓝光LED芯片和荧光粉对白光LED光学性能的影响
本文对磷转换白光LED进行了研究。调查样本包括不同类型的氮化镓蓝光LED芯片和不同浓度的荧光粉。利用积分球和光谱仪系统,全面分析了蓝光LED芯片和荧光粉对白光LED光学性能的影响。从实验研究中,可以得出几个结论。本文详细讨论了蓝光LED芯片的辐射通量、LED和荧光粉的光谱以及由此产生的白光LED的光学性能之间的关系。
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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