| 功率型白光LED平面涂层技术研究 |
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| 引用本文： | 李君飞,饶海波,侯斌,胡玥,申发华.功率型白光LED平面涂层技术研究[J].半导体技术,2008,33(4):320-323. |
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| 作者姓名： | 李君飞 饶海波 侯斌 胡玥 申发华 |
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| 作者单位： | 电子科技大学,光电信息学院,成都,610054;电子科技大学,光电信息学院,成都,610054;电子科技大学,光电信息学院,成都,610054;电子科技大学,光电信息学院,成都,610054;电子科技大学,光电信息学院,成都,610054 |
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| 基金项目： | 国家高技术研究发展计划(863计划) |
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| 摘 要： | 基于水溶性感光胶的白光LED表面涂层技术,阐述了含有荧光粉感光胶悬浮液的配比和封装结构对白光LED出光效率的影响,提出了相应的改进措施,通过实验证实提高了白光LED器件的整体性能.同时,对利用该法得到的功率型白光LED进行了光衰减测试,LED在700mA电流下点亮168 h后,光输出为初始光输出的95.95%,满足实用要求.
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| 关 键 词： | 白光发光二极管 感光胶 出光效率 硅胶层 |
Research on the Planar Coating Technology of Power White LEDs |
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| Li Junfei,Rao Haibo,Hou Bin,Hu Yue,Shen Fahua.Research on the Planar Coating Technology of Power White LEDs[J].Semiconductor Technology,2008,33(4):320-323. |
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| Authors: | Li Junfei Rao Haibo Hou Bin Hu Yue Shen Fahua |
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| Affiliation: | Li Junfei,Rao Haibo,Hou Bin,Hu Yue,Shen Fahua(School of Opto-Electronic Information,University of Electronic Science , Technology of China,Chengdu 610054,China) |
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| Abstract: | The surface coating technology for white LED based on water-solubility photosensitive emulsion was introduced.The impact of the phosphor emulsion suspension contain ratio and package structure on the efficiency of white LED light was described.Some corresponding improvements were given and the overall performance of white LED was improved,which was confirmed through experiments.The aging processes of the white LED with the slurry method prove that the light output is 95.95% at 700 mA for 168 h and it meets ... |
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| Keywords: | white LED emulsion luminous efficiency Si gel layer |
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