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Enhanced light output in InGaN/GaN light emitting diodes with excimer laser etching surfaces

  • Hung Wen Huang
  • , Jung Tang Chu
  • , Chih Chiang Kao
  • , Tao Hung Hsueh
  • , Tien Chang Lu
  • , Hao Chung Kuo
  • , Shing Chung Wang*
  • , Chang Chin Yu
  • , Shou Yi Kuo
  • *Corresponding author for this work
  • National Yang Ming Chiao Tung University
  • TrueLight Corp Taiwan
  • Highlink Corporation
  • National Applied Research Laboratories Taiwan

Research output: Contribution to journalJournal Article peer-review

6 Scopus citations

Abstract

The InGaN/GaN light-emitting diode (LED) with a top p-GaN surface nanoroughened using Ni nanomasks and laser etching has been fabricated. The light output power of the InGaN/GaN LED with a nanoroughened top p-GaN surface is 1.55-fold that of a conventional LED. The series resistance of InGaN/GaN LED was reduced by 32% due to the increase in the contact area of the nanoroughened surface.

Original languageEnglish
Pages (from-to)3442-3445
Number of pages4
JournalJapanese Journal of Applied Physics
Volume45
Issue number4 B
DOIs
StatePublished - 25 04 2006
Externally publishedYes

Keywords

  • Excimer laser
  • Gallium nitride (GaN)
  • Light-emitting diode (LED)

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