Chromaticity tailorable glass-based phosphor-converted white light-emitting diodes with high color rendering index

Chromaticity tailorable glass-based phosphor-converted white light-emitting diodes with high color rendering index

In this paper, Lu3Al5O12:Ce3+ and CaAlSiN3: Eu2+ co-doped glass are presented as color conversion materials for white light-emitting diodes (WLEDs). Through adjusting the thickness of the glass phosphors, the chromaticity and CCT of the WLEDs follows the Planckian locus well. The WLEDs show CCT rang...

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Bibliographic Details
Published in:Optics express Vol. 23; no. 15; pp. A1024 - A1029
Main Authors: Chen, Li-Yin, Chang, Jin-Kai, Cheng, Wei-Chih, Huang, Jhih-Ci, Huang, Yi-Chung, Cheng, Wood-Hi
Format: Journal Article
Language:English
Published: United States 27-07-2015
Online Access:Get full text
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Summary:In this paper, Lu3Al5O12:Ce3+ and CaAlSiN3: Eu2+ co-doped glass are presented as color conversion materials for white light-emitting diodes (WLEDs). Through adjusting the thickness of the glass phosphors, the chromaticity and CCT of the WLEDs follows the Planckian locus well. The WLEDs show CCT ranging from ~4000K to ~7000K with high CRI ranging from 83 to 90 due to the wide emission spectrum from the proposed glass phosphors. The glass phosphors provide an effective way to achieve chromaticity-tailorable WLEDs with high color quality for indoor lighting applications.
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content type line 23
ISSN:1094-4087
1094-4087
DOI:10.1364/OE.23.0A1024