[H-5-4] Improvement of the blue LED using patterned sapphire substrates with low threading dislocation densities

S. M. Jeong¹, S. Kissinger¹, Y. H. Ra¹, S. H. Yun¹, D. W. Kim¹, S. J. Lee², J. S. Kim¹, C. R. Lee¹ (1.Chonbuk National Univ.(Korea), 2.Korea Photonics Tech. Inst.(Korea))

https://doi.org/10.7567/SSDM.2009.H-5-4