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Sn-P-F containing glass matrix for the fabrication of phosphor-in-glass for use in high power LEDs

机译:SN-P-F包含玻璃基质,用于制造玻璃玻璃,用于高功率LED

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摘要

In this study, we introduce a low-melting-point (MP) glass ceramic (GlaC) material which can be used to fabricate a phosphor-in-glass (PiG) with Y3Al5O12:Ce3+ (YAG) phosphor for the realization of high-power white-light-emitting diodes (WLEDs). PiG using a low-MP Sn-P-rich GlaC material, with simple fabrication at 230 degrees C, can address the drawbacks of the phosphor thermal degradation of currently developed PiGs with a high MP of more than 400 degrees C, and the yellowing of commercialized phosphor-insilicon binder (PiSB) materials. In addition, the low-MP PiG can serve as a heat sink due to its good thermal conductivity and good stability compared to those of commercialized PiSB materials. The optical properties of a low-MP PiG-based WLED are a luminous efficacy (LE) of 118 mu m W-1, an external quantum efficiency (EQE) of 0.33 and a color-rendering index (CRI) of 68 at 4275 K at an applied current of 350 mA. The simply fabricated and stable PiG-based WLED using the low-MP GlaC material will be a competitive candidate in the WLED lighting market.
机译:在这项研究中,我们引入了一种低熔点(MP)玻璃陶瓷(GLAC)材料,其可用于用Y3Al5O12:Ce3 +(YAG)磷光体来制造玻璃玻璃(猪),以实现高 - 电源白光发光二极管(WLED)。猪使用低MP Sn-P-P-P-P-P-PIM,在230℃下制造简单,可以解决当前开发的猪的荧光粉热降解的缺点,高于400℃的高MP,和泛黄商业化磷脂粘合剂(PISB)材料。此外,与商业化PISB材料相比,低MP猪可以用作散热器,与其良好的导热性和良好的稳定性相比。基于低MP猪的WLD的光学性质是118μmw-1的发光效率(Le),外部量子效率(EQE)为0.33,在4275k时为68的颜色呈现指数(CRI)在350 mA的施加电流下。使用Low-MP Glac材料简单地制造和稳定的猪WLOD将成为WLED照明市场的竞争候选者。

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  • 来源
    《RSC Advances》 |2016年第113期|共8页
  • 作者单位

    Kookmin Univ Dept Chem Seoul 02707 South Korea;

    YEJ GLASS Co Ltd Kagoshima Kagoshima 8990401 Japan;

    Kookmin Univ Dept Chem Seoul 02707 South Korea;

    YEK GLASS Co Ltd Seoul 06093 South Korea;

    Kookmin Univ Dept Chem Seoul 02707 South Korea;

    Kookmin Univ Dept Chem Seoul 02707 South Korea;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 化学;
  • 关键词

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