GaN thickness effect on directional light enhancement from GaN-based film-transferred photonic crystal light-emitting diodes

  • Lai C
  • Chao C
  • Kuo H
 et al. 
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The light enhancement of PhC LEDs within the collection cone angle was obtained according to measured far-field patterns. In a plusmn20deg collection cone, the collimated PhC LED was enhanced up to ~2.4.

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