Yeh, W.-L.W.-L.YehFang, C.-M.C.-M.FangYIH-PENG CHIOU2018-09-102018-09-102013http://www.scopus.com/inward/record.url?eid=2-s2.0-84876093660&partnerID=MN8TOARShttp://scholars.lib.ntu.edu.tw/handle/123456789/379868Enhancing LED light extraction by optimizing cavity and waveguide modes in grating structuresjournal article10.1109/JDT.2012.2229382