Enhancement of Color Rendering Index for White Light LED Lamps by Red Y2O3:EU3 Phosphor js4kXgCusdoU5cK7

Tran Hoang Quang Minh, Nguyen Huu Khanh Nhan, Thoai Phu Vo, Nguyen Doan Quoc Anh

Enhancement of Color Rendering Index for White Light LED Lamps by Red Y2O3:EU3 Phosphor

Číslo: 3/2016
Periodikum: Advances in Electrical and Electronic Engineering
DOI: 10.15598/aeee.v14i3.1642

Klíčová slova: Y2O3:Eu3+ phosphor; Beer-Lambert law; color rendering index; pc-WLEDs, index vykreslení barev.

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Anotace: We present an application of the red Y2O3:Eu3+ dopant phosphor compound for reaching the color rendering index as high as 86. The Multi-Chip White LED lamps (MCW-LEDs) with high Correlated Color Temperatures (CCTs) including 7000 K and 8500 K are employed in this study. 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.