| 白光LED用荧光粉的研究进展 |
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| 引用本文： | 曾琦华,张信果,梁宏斌,龚孟濂.白光LED用荧光粉的研究进展[J].中国稀土学报,2011,29(1). |
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| 作者姓名： | 曾琦华 张信果 梁宏斌 龚孟濂 |
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| 作者单位： | 1. 广东药学院药科学院,广东,广州,510006
2. 中山大学化学与化学工程学院,广东,广州,510275 |
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| 摘 要： | 综述了国内外白光LED用荧光粉的研究进展.根据目前LED实现白光的两种主流方式:蓝光LED芯片+黄色荧光粉(或+绿色/红色荧光粉)和近紫光LED芯片+红/绿/蓝三基色荧光粉,重点介绍了蓝光芯片激发的黄色,绿色和红色荧光粉以及紫光芯片激发的红色,绿色和蓝色荧光粉.文中并给出了部分具有代表性的荧光粉的激发和发射光谱图.归纳了各种基质材料用于荧光粉的优缺点,对该领域存在的问题及其发展趋势作出了分析和展望.
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| 关 键 词： | 稀土 荧光粉 白光LED |
Progress of Research on Phosphors for White-light Emitting Diodes |
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| Zeng Qihua,Zhang Xinguo,Liang Hongbin,Gong Menglian.Progress of Research on Phosphors for White-light Emitting Diodes[J].Journal of the Chinese Rare Earth Society,2011,29(1). |
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| Authors: | Zeng Qihua Zhang Xinguo Liang Hongbin Gong Menglian |
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| Institution: | Zeng Qihua1,Zhang Xinguo2,Liang Hongbin2,Gong Menglian2(1.Guangdong Pharmaceutical University,College of Pharmacy,Guangzhou 510006,China,2.Sun Yat-sen University,School of Chemistry and Chemical Engineering,Guangzhou 510275,China) |
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| Abstract: | A systematic and exhaustive search for literature was made,and then a review on the phosphors for white-light emitting diodes was summarized.At present,there are two dominant commercial methods to achieve white light-emitting diodes: blue LED chip+yellow phosphor(or green/red phosphors) and near UV chip+red/green/blue phosphors.Therefore,this review focused on the yellow,red and green phosphors excited by blue light-emitting chip,and also red,green and blue phosphors excited by near UV light-emitting chip.A... |
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| Keywords: | rare earths phosphor white LED |
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