Enhanced performance of nitride-based ultraviolet vertical-injection light-emitting diodes by non-insulation current blocking layer and textured surface

Yen Chih Chiang, Bing Cheng Lin, Kuo Ju Chen, Chien-Chung Lin, Po-Tsung Lee, Hao-Chung Kuo*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

4 Scopus citations

Abstract

For the purpose of light extraction and efficiency enhancement, the nitride-based ultraviolet vertical-injection light-emitting diodes (UV-VLEDs) with non-insulation current blocking layer (n-CBL) and optimized textured surface were fabricated. The optical and electrical characteristics were investigated in this n-CBL UV-VLED. Furthermore, the efficiency of optimized structure was improved by 5 ~ 6 times compared to our reference.

Original languageEnglish
Article number699
Number of pages8
JournalNanoscale Research Letters
Volume9
Issue number1
DOIs
StatePublished - 29 Dec 2014

Keywords

  • Current blocking layer
  • Gallium nitride
  • Light-emitting diode
  • Textured surface
  • Ultraviolet
  • Vertical injection

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