[PS-7-24] Light extraction enhancement of GaN-based light emitting diodes using crown shaped patterned sapphire substrates

C. Y. Liu¹、C. H. Chiu¹、C. C. Lin²、C. Y. Lee¹、B. W. Lin⁴、W. C. Hsu⁴、G. C. Chi¹、H. C. Kuo¹、C. Y. Chang³ (1.National Chiao-Tung Univ. , Hsinchu, Taiwan、2.National Chiao-Tung Univ. , Tainan, Taiwan、3.National Chiao-Tung Univ.、4.Sino-American Silicon Products Inc. , Hsinchu, Taiwan)

https://doi.org/10.7567/SSDM.2012.PS-7-24