GaInN light-emitting diodes with omni directional reflectors

  title={GaInN light-emitting diodes with omni directional reflectors},
  author={Th. Gessmanna and Y.-L. Lia and E. Fred Schubert and J. W. Graffb and J. K. Sheuc},
  • Th. Gessmanna, Y.-L. Lia, +2 authors J. K. Sheuc
  • Published 2003
A high-reflectivity omni directional reflector (ODR) has been incorporated into a GaInN lightemitting diode (LED) structure. The ODR comprises a transparent, electrically conductive quarterwave layer of indium tin oxide clad by silver and serves as an ohmic contact to p-type GaN. It is shown that ODR-LEDs have low optical losses and high extraction efficiency. Mesa-structure GaInN / GaN ODR-LEDs emitting in the blue wavelength range are demonstrated and compared to GaInN / GaN LEDs with… CONTINUE READING
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