期刊
OPTICS LETTERS
卷 39, 期 14, 页码 4084-4087出版社
OPTICAL SOC AMER
DOI: 10.1364/OL.39.004084
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- Small and Medium Business Administration (SMBA, Korea) [S2044886]
- Basic Science Research Program through the National Research Foundation of Korea (NRF) - Ministry of Education [NRF-2013R1A1A2005671]
- Korea Evaluation Institute of Industrial Technology (KEIT) [S2044886] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
Phosphor-in-glass (PiG) color converters for LED applications were fabricated with a mixture of phosphors, Y3Al5O12:Ce3+ (yellow) and CaAlSiN3:Eu2+ (red). The low sintering temperature (550 degrees C) of SiO2-Na2O-RO (R = Ba, Zn) glass powder enabled the inclusion of CaAlSiN3:Eu2+ (red) phosphor which cannot be embedded with conventional glass powders for PiGs. By simply varying the mixing ratio of glass to phosphors as well as the ratio of yellow to red phosphors, the facile control of the CIE chromaticity coordinates and correlated color temperature of the LED following the Planckian locus has been achieved. Phosphors were well distributed within the glass matrix without noticeable reactions, preserving the enhanced thermal quenching property of the PiG compared to those with silicone resins, for LEDs. (C) 2014 Optical Society of America
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