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首页> 外文期刊>Optics Letters >Development of high luminous efficacy red-emitting phosphor-in-glass for high-power LED lighting systems using our original low Tg and Ts glass
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Development of high luminous efficacy red-emitting phosphor-in-glass for high-power LED lighting systems using our original low Tg and Ts glass

机译:使用原始低TG和TS玻璃的高功效红发荧光体的高发光效率红发磷光体

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摘要

Red-emitting phosphor-in-glass (PiG) materials with a high luminescence efficiency were developed by co-firing commercial red-emitting (Sr, Ca)AlSiN3:Eu2+ (SCASN) phosphor and our original glass fits with a composition of Li2O-Na2O-ZnO-Al2O3-B2O3-P2O5, which has a low Tg (271 degrees C) and Ts (380 degrees C) temperatures. By optimizing the sintering temperature and the content of the phosphor, the highest luminous efficacy was obtained for the 3 wt.% SCASN-based PiG sintered at 400 degrees C, which showed a luminous efficacy of 25 lm/Wrad by combining the PiG materials with a blue light-emitting diode (LED) chip-on-board (COB, incident power = 100 mA). The internal quantum efficiency of this sample under excitation at 450 nm was 53%. The PiG-based LED maintained a high luminous efficacy when the incident power of the blue COB increased up to 5.5 W (47 lm). (C) 2019 Optical Society of America
机译:通过共用商业红发射(SR,CA)Alsin3:Eu2 +(Scasn)磷光体和我们的原始玻璃配合,具有高发光效率的红色发光玻璃(PIG)材料和我们的原始玻璃配合使用Li2O-的组成 Na 2 O-ZnO-Al2O3-B2O3-P2O5,其具有低Tg(271℃)和Ts(380℃)温度。 通过优化烧结温度和磷光体的含量,得到最高的发光功效,得到3重量%的猪烧结在400℃下,通过将猪材料组合,显示出25Lm /纸张的发光功效 蓝色发光二极管(LED)芯片板上(COB,入射功率= 100 mA)。 在450nm激发下该样品的内部量子效率为53%。 当蓝玉米棒的入射功率增加到5.5W(47升)时,基于猪的LED保持高发光功效。 (c)2019年光学学会

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  • 来源
    《Optics Letters》 |2019年第24期|共4页
  • 作者单位

    Korea Inst Ceram Engn &

    Technol Elect Convergence Mat Div Opt &

    Elect Component Mat Ctr Jinju 52831 South Korea;

    Korea Inst Ceram Engn &

    Technol Elect Convergence Mat Div Opt &

    Elect Component Mat Ctr Jinju 52831 South Korea;

    Korea Inst Ceram Engn &

    Technol Elect Convergence Mat Div Opt &

    Elect Component Mat Ctr Jinju 52831 South Korea;

    Korea Inst Ceram Engn &

    Technol Elect Convergence Mat Div Opt &

    Elect Component Mat Ctr Jinju 52831 South Korea;

    Korea Inst Ceram Engn &

    Technol Elect Convergence Mat Div Opt &

    Elect Component Mat Ctr Jinju 52831 South Korea;

    Gyeongsang Natl Univ Div Mat Sci &

    Engn &

    Convergence Technol Jinju 52828 South Korea;

    Korea Inst Ceram Engn &

    Technol Elect Convergence Mat Div Opt &

    Elect Component Mat Ctr Jinju 52831 South Korea;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 计量学;光学;
  • 关键词

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