Increasing the extraction efficiency of AlGaInP LEDs via n-side surface roughening

An n-side-up AlGaInP-based light-emitting diode (LED) with a triangle-like surface morphology was fabricated using the adhesive layer bonding technique, followed by wet etching to roughen the surface. The light output power of the roughened-surface LED was 1.6 times higher than that of a flat-surfac...

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Veröffentlicht in:	IEEE photonics technology letters 2005-11, Vol.17 (11), p.2289-2291
Hauptverfasser:	Lee, Y.J., Kuo, H.C., Wang, S.C., Hsu, T.C., Hsieh, M.H., Jou, M.J., Lee, B.J.
Format:	Artikel
Sprache:	eng
Schlagworte:	Adhesive bonding Adhesive strength AlGaInP Bonding Devices Etching Injection current Light emitting diodes Light scattering light-emitting diode (LED) Mirrors Optical reflection Power generation Reflection Rough surfaces Roughening Surface morphology surface roughening Surface roughness Wet etching
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