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This study introduces an innovative multi-chip white LED (MCW-LEDs) that exploits a newly synthesized compound combining red Y2O3:Eu3+ with the in-cup phosphor package. The principal advantages of this solution is to enhance the color rendering index (CRI) of MCW-LEDs that have the correlated color temperature of 8500 K to a greater value than 84. In addition, impact of this red-color-adding approach...
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...
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