期刊
OPTICS LETTERS
卷 37, 期 15, 页码 3276-3278出版社
Optica Publishing Group
DOI: 10.1364/OL.37.003276
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资金
- Business for Cooperative R&D between Industry, Academy, and Research Institute
- Korean Small and Medium Business Administration [000467400111]
- National Research Foundation of Korea (NRF)
- Ministry of Education, Science and Technology [2010-0002406, 2010-0022407, 2011-031405, R31-30005]
- National Research Foundation of Korea [2010-0002406] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
Phosphor-in-glass (PiG) typed robust color converters were fabricated using Pb-free silicate glasses for high-power white LED applications. SiO2-B2O3-RO(R = Ba, Zn) glass powder showed good sintering behavior and high visible transparency under the sintering condition of 750 degrees C for 30 min without noticeable interaction with phosphors. By simply changing the thickness of the PiG plate or mixing ratio of glass to Y3Al5O12:Ce3+ phosphor, CIE chromaticity coordinates of the LED can be easily controlled. Enhanced thermal quenching property of PiG compared to phosphor with conventional silicone resin suggests its prominent feasibility for high-power/high-brightness white LEDs. (C) 2012 Optical Society of America
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