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Optica Publishing Group
  • Journal of Display Technology
  • Vol. 12,
  • Issue 9,
  • pp. 951-956
  • (2016)

Multifacet Microrod Light-Emitting Diode With Full Visible Spectrum Emission

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Abstract

We demonstrated a full visible spectrum emission from a 3D multifacet microrod light-emitting diode (LED). The microrods were fabricated by top-down patterned etched and regrowth. Hexagonal {11-20} and {11-22} facets were first formed on the microrods, then gradually transformed to {10-10} and {10-11} facets. This facet evolution was attributed to the growth competition among different crystal planes. The multiple quantum wells grown on the microrods also followed this facet evolution and resulted in broad emission spectrum. The device can have direct white light emission covering full visible spectral range from 460 to 660 nm under electrical injection.

© 2016 IEEE

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