Influence of Excitation Spectrum Width on Conversion Efficiency of Radiation Lux

LIU Xuan-fu; YU Jing-jie; LI De-sheng; CAO Guan-ying

doi:10.3788/fgxb20163709.1050

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Influence of Excitation Spectrum Width on Conversion Efficiency of Radiation Lux

更新时间：2020-08-12

- Influence of Excitation Spectrum Width on Conversion Efficiency of Radiation Lux
- Chinese Journal of Luminescence Vol. 37, Issue 9, Pages: 1050-1055(2016)
- 作者机构：
  
  大连工业大学光子学研究所, 辽宁大连 116034
- 作者简介：
- 基金信息：
- DOI：10.3788/fgxb20163709.1050
  CLC： TN249;TN302
- Received：05 May 2016，
  
  Revised：26 May 2016，
  
  Published：05 September 2016
- 稿件说明：
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刘选福, 于晶杰, 李德胜, 曹冠英. 激发源光谱宽度对其辐射通量转换效率的影响[J]. 发光学报, 2016,37(9): 1050-1055

LIU Xuan-fu, YU Jing-jie, LI De-sheng, CAO Guan-ying. Influence of Excitation Spectrum Width on Conversion Efficiency of Radiation Lux[J]. 发光学报, 2016,37(9): 1050-1055
刘选福, 于晶杰, 李德胜, 曹冠英. 激发源光谱宽度对其辐射通量转换效率的影响[J]. 发光学报, 2016,37(9): 1050-1055 DOI： 10.3788/fgxb20163709.1050.

LIU Xuan-fu, YU Jing-jie, LI De-sheng, CAO Guan-ying. Influence of Excitation Spectrum Width on Conversion Efficiency of Radiation Lux[J]. 发光学报, 2016,37(9): 1050-1055 DOI： 10.3788/fgxb20163709.1050.

摘要

为了进一步提高固态照明中荧光转换光源（PC-LED）的白光发射效率，探寻激发源与荧光粉搭配对合成白光辐射通量转换效率之间的关系。以YAG荧光粉为对象，搭配不同光谱宽度的激发源，采用光谱计算方法研究了合成白光光源中激发源光谱宽度对其辐射通量转换效率的影响，计算结果通过实验进行了验证。结果表明：当光谱宽度较小时，转换效率随光谱宽度的增加而缓慢降低；当光谱宽度大于18 nm时，转换效率急剧下降。每种荧光粉都有其理想激发源光谱宽度范围，在此范围内激发源辐射通量转换效率高且受其光谱宽度影响较弱。

Abstract

In order to improve the efficiency of radiation flux color of phosphors converted light emitting diode (PC-LED)

the phosphors with excitation source system were established and the relationship of phosphors and chip was investigated. The influence of a different excitation spectrum width on white light conversion efficiency of radiation flux was investigated with YAG phosphors as the objects of spectrum calculation method. The calculating result was confirmed by taking the measurements of the remote phosphors (YAG) with different spectrum width excitation light. The calculation and experimental results indicate that the conversion efficiency falls slowly with the increase of spectrum width when the spectral width is small

and the conversion efficiency sharply declines when the spectral width is larger than 18 nm. Each phosphor has its ideal excitation source spectral width. In this range

the efficiency of excitation radiation flux is higher and the impact of spectral width is weaker.

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references

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