瓦级大功率InGaN蓝光LED的光色电特性

林介本; 郭震宁; 陈丽白; 吴利兴; 阮源山; 林瑞梅

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瓦级大功率InGaN蓝光LED的光色电特性

论文 | 更新时间：2020-08-12

- 瓦级大功率InGaN蓝光LED的光色电特性
- Watt-level High Power InGaN-based Blue LED Photometric, Chromatric and Electric Characteristics
- 发光学报 2009年30卷第3期页码：379-384
- 作者机构：
  
  1. 华侨大学信息科学与工程学院, 福建泉州 362021
  2. 福建省泉州市紫欣光电有限公司
  3. 福建省厦门光莆电子有限公司
- 作者简介：
- 基金信息：
- DOI：
  中图分类号： TN312.8;O482.31
- 收稿：2008-07-31，
  
  修回：1900-1-2，
  
  网络首发：2009-06-30，
  
  纸质出版：2009-06-30
- 稿件说明：
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林介本, 郭震宁, 陈丽白, 等. 瓦级大功率InGaN蓝光LED的光色电特性[J]. 发光学报, 2009,30(3):379-384.

LIN Jie-ben, GUO Zhen-ning, CHEN Li-bai, et al. Watt-level High Power InGaN-based Blue LED Photometric, Chromatric and Electric Characteristics[J]. Chinese Journal of Luminescence, 2009, 30(3): 379-384.
林介本, 郭震宁, 陈丽白, 等. 瓦级大功率InGaN蓝光LED的光色电特性[J]. 发光学报, 2009,30(3):379-384. DOI：

LIN Jie-ben, GUO Zhen-ning, CHEN Li-bai, et al. Watt-level High Power InGaN-based Blue LED Photometric, Chromatric and Electric Characteristics[J]. Chinese Journal of Luminescence, 2009, 30(3): 379-384. DOI：

摘要

封装并测量了瓦级大功率InGaN蓝色发光二极管(LED)在不同正向电流

驱动下的光通量、电功率、发光效率、发射光谱和色品坐标等参数的变化。研究表明

光通量与电功率随

的增大呈亚线性增加

而发光效率

则下降。当

从50 mA一直增大到450 mA左右时

发射光谱的峰值波长

随

的增加发生蓝移

蓝移现象可能与InGaN蓝光LED芯片在较大电流时能带被拉平以及In成分的作用有关。当

大于500 mA或800 mA后

又发生红移

红移现象可能与大电流注入下InGaN蓝光LED芯片产生的热效应以及电子-空穴对辐射复合有关。此外

光谱的半峰全宽(FWHM)产生宽化现象

色坐标

x和y

值也发生变化。

Abstract

paper

关键词

Keywords

references

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