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Journal of Display Technology

Journal of Display Technology

| A JOINT IEEE/OSA PUBLICATION

  • Vol. 3, Iss. 2 — Jun. 1, 2007
  • pp: 133–148

Optimization of Light-Diffracting Photonic-Crystals for High Extraction Efficiency LEDs

Aurélien David, Henri Benisty, and Claude Weisbuch

Journal of Display Technology, Vol. 3, Issue 2, pp. 133-148 (2007)


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Abstract

Photonic-crystal (PhC)-assisted light extraction is a promising method for ultrahigh efficiency, planar light-emitting diodes (LEDs). However, modeling of such structures is challenging due to the variety of their parameters and the heavy computational burden they represent. We present a thorough theoretical discussion of the optimization of PhC LEDs, which relies both on approximate treatments and on rigorous 3-D calculations. Two material systems (GaAs and GaN) are investigated, leading to quite different optimal regimes. Notably, it appears that besides the properties of the 2-D PhC itself, design of the vertical structure plays a major role in optimization.

© 2007 IEEE

Citation
Aurélien David, Henri Benisty, and Claude Weisbuch, "Optimization of Light-Diffracting Photonic-Crystals for High Extraction Efficiency LEDs," J. Display Technol. 3, 133-148 (2007)
http://www.opticsinfobase.org/jdt/abstract.cfm?URI=jdt-3-2-133

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