Thickness and Surface Roughness Effect on Lighting Performance of Ce<sup>3+</sup>: YAG Transparent Ceramics Based High Power LED and LD Lighting Prototype Devices

Zhe-han ZHENG; Xiang ZHANG; Xiao-ke XU; Qian LIU; Yun SHI; Ru LI; Huan WANG; Fei WANG; Guang

doi:10.37188/CJL.20200236

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Thickness and Surface Roughness Effect on Lighting Performance of Ce³⁺: YAG Transparent Ceramics Based High Power LED and LD Lighting Prototype Devices

Luminescence Industry and Technology I Frontier | 更新时间：2020-11-10

- Thickness and Surface Roughness Effect on Lighting Performance of Ce³⁺: YAG Transparent Ceramics Based High Power LED and LD Lighting Prototype Devices
- Chinese Journal of Luminescence Vol. 41, Issue 11, Pages: 1411-1420(2020)
- 作者机构：
  
  1.中国科学院上海硅酸盐研究所高性能陶瓷和超微结构国家重点实验室, 上海 200050
  2.福州大学材料科学与工程学院, 福建福州 350116
  3.中国科学院大学材料科学与光电研究工程中心, 北京 100049
  4.常州星宇车灯股份有限公司, 江苏常州 213022
  5.上海激光技术研究所, 上海 200233
- 作者简介：
- 基金信息：
  
  the National Key Research and Development Program of China;Research Program of Shang
- DOI：10.37188/CJL.20200236
  CLC： TQ174
- Received：05 August 2020，
  
  Accepted：11 September 2020，
  
  Published：2020-11
- 稿件说明：
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Zhe-han ZHENG, Xiang ZHANG, Xiao-ke XU, et al. Thickness and Surface Roughness Effect on Lighting Performance of Ce³⁺: YAG Transparent Ceramics Based High Power LED and LD Lighting Prototype Devices[J]. Chinese journal of luminescence, 2020, 41(11): 1411-1420.
DOI：

Zhe-han ZHENG, Xiang ZHANG, Xiao-ke XU, et al. Thickness and Surface Roughness Effect on Lighting Performance of Ce³⁺: YAG Transparent Ceramics Based High Power LED and LD Lighting Prototype Devices[J]. Chinese journal of luminescence, 2020, 41(11): 1411-1420. DOI： 10.37188/CJL.20200236.

摘要

采用高温真空烧结技术制备了0.5% Ce:Y

（简称Ce:YAG）透明荧光陶瓷，在透射模式下分别采用大功率蓝光发光二极管（LED）芯片（3.2 V×0.3 A）激发和LD蓝光光源（0.8 W，1.6 W）激发，系统研究了陶瓷厚度（0.3~2.3 mm）和表面粗糙度（322.86 nm，9.79 nm）等对照明原型器件的色温、显色指数和光电转换效率等发光性能的影响。结果表明，陶瓷表面有一定粗糙度可使原型器件的发光性能整体提高，其中用粗糙度为322.86 nm的Ce:YAG透明陶瓷组装的原型器件分别获得了93.6 lm/W（蓝光LED激发）和178.5 lm/W（蓝光LD激发）的高光电转换效率。研究表明，通过调节Ce:YAG透明陶瓷的厚度和表面状态，可有效提升高功率密度固态照明器件的发光性能。

Abstract

Ce:Y

(Ce:YAG) transparent phosphor ceramics were fabricated by solid state reaction method through vacuum sintering. The effects of thickness(0.3~2.3 mm) and surface roughness(322.86 nm

9.79 nm) of the ceramics on correlated color temperature

color rendering index

and photoelectric conversion efficiency were studied under the excitation of high power blue LED chip(3.2 V×0.3 A) and blue LD lighting(0.8 W

1.6 W). The luminescence property can also be improved by tuning the surface roughness of the ceramics

the Ce:YAG transparent ceramics with a roughness of 322.86 nm obtained high luminescence efficiency of 93.6 lm/W(blue light LED excitation) and 178.5 lm/W(blue light LD excitation)

respectively. The results show that the luminescence performance of high power density solid-state lighting devices can be effectively improved by adjusting the thickness and surface state of Ce:YAG transparent ceramics.

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references

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Thickness and Surface Roughness Effect on Lighting Performance of Ce3+: YAG Transparent Ceramics Based High Power LED and LD Lighting Prototype Devices

DOI：10.37188/CJL.20200236

摘要

Abstract

关键词

Keywords

references

Thickness and Surface Roughness Effect on Lighting Performance of Ce³⁺: YAG Transparent Ceramics Based High Power LED and LD Lighting Prototype Devices