[PS-7-1] Efficiency Improvement of GaN-Based LEDs with Double Nano-pattern J.K. Huang1, D.W. Lin1, C.Y. Lee1, H.W. Huang1, P.T. Lee1, H.C. Kuo1 (1.National Chiao Tung Univ. (Taiwan)) https://doi.org/10.7567/SSDM.2013.PS-7-1