Nitride-based thin-film light-emitting diodes with photonic quasi-crystal surface

Chia En Lee*, Chun Feng Lai, Yea Chen Lee, Hao-Chung Kuo, Tien-chang Lu, Shing Chung Wang

*Corresponding author for this work

Research output: Contribution to journalArticle

14 Scopus citations

Abstract

In this letter, the nitride-based thin-film light-emitting diodes (TFLEDs) with eight-fold photonic quasi-crystal (PQC) surfaces are proposed and demonstrated by a combination of wafer bonding, laser lift-off, and electron-beam lithography processes. By adopting a PQC surface, the light-output power (at 350 mA) of the PQC-TFLEDs exhibits 140% output power enhancement as compared with that of TFLEDs without a PQC surface.

Original languageEnglish
Pages (from-to)331-333
Number of pages3
JournalIEEE Photonics Technology Letters
Volume21
Issue number5
DOIs
StatePublished - 1 Mar 2009

Keywords

  • Electron-beam lithography
  • Laser lift-off (LLO)
  • Photonic quasi-crystal (PQC)
  • Thin-film light-emitting diodes (TFLEDs)
  • Wafer bonding

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