III-nitride photonic-crystal light-emitting diodes with high extraction efficiency
โ Scribed by Wierer, Jonathan J.; David, Aurelien; Megens, Mischa M.
- Book ID
- 109942806
- Publisher
- Nature Publishing Group
- Year
- 2009
- Tongue
- English
- Weight
- 635 KB
- Volume
- 3
- Category
- Article
- ISSN
- 1749-4885
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## Abstract The performance of IIIโnitride based highโpower light emitting diodes (LEDs) is reviewed. Direct color highโpower LEDs with 1 ร 1 mm^2^ chip size in commercial LUXEON^ยฎ^ Rebel packages are shown to exhibit external quantum efficiencies at a drive current of 350 mA ranging from โผ60% at a
We have fabricated light emitting diodes based on a conjugated polymer, in which a planarized two-dimensional photonic crystal (PC) was inserted between the glass substrate and the ITO anode. Planarized PCs were fabricated into a highindex layer via interference lithography, followed by dry-etching