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Improving CQS, CRI and LO of the 5600K RP-WLEDs by Red-emitting Conversion Phosphor

In the few last decades, Light-emitting diodes (LEDs) is considered the newest solid-state lighting technique advancement in both industry and civil lighting. In this paper, we improve the Color rendering index (CRI), Color quality scale (CQS) and lumen output (LO) of the 5600 K remote-packaging white LEDs (RP-WLEDs) by the red-emitting conversion Sr2Si5N8:Eu2+ phosphor. The influence of the red phosphor concentration on the CQS, CRI, and LO are proposed and demonstrated by using Mie Theory with Mat Lab and Light Tools software. The results draw that CRI, CQS, and LO are significantly affected by the red phosphor concentration, which can provide a potential practical recommendation for manufacturing RP-WLEDs. This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License .