嵌埋陶瓷散热基板对白光LED性能的影响

秦典成; 陈爱兵; 肖永龙

doi:10.3788/fgxb20194001.0097

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嵌埋陶瓷散热基板对白光LED性能的影响

器件制备及器件物理 | 更新时间：2020-08-12

- 嵌埋陶瓷散热基板对白光LED性能的影响
- Influence of Ceramic-embedded Heat Dissipation Substrate on Performances of White LED
- 发光学报 2019年40卷第1期页码：97-105
- 作者机构：
  
  1. 广东省LED封装散热基板工程技术研究中心,广东珠海,519180
  2. 乐健科技(珠海)有限公司,广东珠海,519180
- 作者简介：
- 基金信息：
- DOI：10.3788/fgxb20194001.0097
  中图分类号： TB3.33
- 收稿日期：2018-03-15，
  
  修回日期：2018-05-22，
  
  网络出版日期：2018-06-13，
  
  纸质出版日期：2019-01-05
- 稿件说明：
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秦典成, 陈爱兵, 肖永龙. 嵌埋陶瓷散热基板对白光LED性能的影响[J]. 发光学报, 2019,40(1): 97-105

QIN Dian-cheng, CHEN Ai-bing, XIAO Yong-long. Influence of Ceramic-embedded Heat Dissipation Substrate on Performances of White LED[J]. Chinese Journal of Luminescence, 2019,40(1): 97-105
秦典成, 陈爱兵, 肖永龙. 嵌埋陶瓷散热基板对白光LED性能的影响[J]. 发光学报, 2019,40(1): 97-105 DOI： 10.3788/fgxb20194001.0097.

QIN Dian-cheng, CHEN Ai-bing, XIAO Yong-long. Influence of Ceramic-embedded Heat Dissipation Substrate on Performances of White LED[J]. Chinese Journal of Luminescence, 2019,40(1): 97-105 DOI： 10.3788/fgxb20194001.0097.

摘要

将氮化铝陶瓷片局部嵌入FR4材料中获得嵌埋陶瓷散热基板，结合LED相关测试手段对比研究了其与普通MCPCB对白光LED光学特性的影响。将嵌埋陶瓷散热基板应用于功率为30 W的远近一体车灯光源，并对LED车灯光源进行了光衰测试以及可靠性验证。结果表明，嵌埋陶瓷散热基板较之普通MCPCB有着更好的散热性能，FR4/AlN界面呈现出良好的结合强度，可以大幅减小LED的结温，有效改善LED的光学性能，极大地提升LED汽车灯光源的性能稳定性。

Abstract

Ceramic-embedded heat dissipation substrate was prepared employing AlN block embedded selectively into FR4 material. A comparison study on LED's optical characteristic was carried out between aforementioned substrate and regular MCPCB using LED-related test method. Ceramic-embedded heat dissipation substrate was used on a 30 W far and near integrated functional LED automobile lamp

with its light failure and reliability were investigated. It was found that the ceramic-embedded heat dissipation substrate was endowed with unparalleled heat dissipation performance in comparison with regular MCPCB and the FR4/AlN interface presented an excellent bonding strength

which could dramatically decrease the junction temperature of LED and improve LED's optical performance

thus enhancing the performance stability of LED automobile lamp.

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Keywords

references

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