Yun-Wei ChengSzu-Chieh WangJin Yi TanYu-Hsuan SunSheng-Chieh YangJianJang HuangJIAN-JANG HUANG2018-09-102018-09-102010http://scholars.lib.ntu.edu.tw/handle/123456789/358035GaN-Based LEDs with High Emission Directionality Using Photonic Crystal Structures for Sidewall Reflection and Light Extractionconference paper10.1149/1.3485606