Efficiency droop behaviors of the blue LEDs on patterned sapphire substrate

J. Yan, T. J. Yu, X. B. Li, Y. B. Tao, C. L. Xu, H. Long, Z. Y. Yang, G. Y. Zhang
  • Journal of Applied Physics, January 2011, American Institute of Physics
  • DOI: 10.1063/1.3642998