Search

Article

x

留言板

尊敬的读者、作者、审稿人, 关于本刊的投稿、审稿、编辑和出版的任何问题, 您可以本页添加留言。我们将尽快给您答复。谢谢您的支持!

姓名
邮箱
手机号码
标题
留言内容
验证码

Investigation of the saturation characteristic and lifetime of the novel AlGaInP lightemitting diodes

Ma Li Shen Guang-Di Chen Yi-Xin Jiang Wen-Jing Guo Wei-Ling Xu Chen Gao Zhi-Yuan

Investigation of the saturation characteristic and lifetime of the novel AlGaInP lightemitting diodes

Ma Li, Shen Guang-Di, Chen Yi-Xin, Jiang Wen-Jing, Guo Wei-Ling, Xu Chen, Gao Zhi-Yuan
PDF
Get Citation
Metrics
  • Abstract views:  554
  • PDF Downloads:  986
  • Cited By: 0
Publishing process
  • Received Date:  30 September 2013
  • Accepted Date:  22 October 2013
  • Published Online:  05 February 2014

Investigation of the saturation characteristic and lifetime of the novel AlGaInP lightemitting diodes

  • 1. Key Laboratory of Opto-electronics Technology of Ministry of Education, Beijing University of Technology, Beijing 100124, China
Fund Project:  Project supported by the National Natural Science Foundation of China (Grant No.11204009).

Abstract: Absorption of substrates, small angle for total reflection, and heat generated by photon blocking of electrode, all can lead to saturation and performance degradation of AlGaInP light emitting diodes(LEDs). In this paper, a novel LED composed of compound current spreading layer, compound DBR reflectors, and current blocking layer, is proposed, the saturation characteristic and lifetime are also tested. Simulation results show that there is only tiny invalid photocurrent through the electrode in the novel LEDs. Experimental results indicate that the novel LEDs have higher extraction efficiency and better saturation characteristics. Saturation current of the novel LEDs is as high as 110 mA, and the light intensity is enhanced by treble at saturation current as compared to the conventional LEDs. The accelerated aging test shows that the lifetime of the novel LEDs is as long as 17.8×104 hours, which means the novel LEDs have high reliability and can be used with high current.

Reference (16)

Catalog

    /

    返回文章
    返回