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

Li Yin Chen, Jin Kai Chang, Wei Chih Cheng, Jhih Ci Huang, Yi Chung Huang, Wood Hi Cheng

Research output: Contribution to journalArticlepeer-review

39 Scopus citations

Abstract

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.

Original languageEnglish
Pages (from-to)A1024-A1029
JournalOptics Express
Volume23
Issue number15
DOIs
StatePublished - 27 Jul 2015

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