Yun-Wei ChengSzu-Chieh WangYu-Feng YinJianJang HuangJIAN-JANG HUANG2018-09-102018-09-102011http://scholars.lib.ntu.edu.tw/handle/123456789/365014[SDGs]SDG7GaN-based LEDs with Photonic Crystal Nanorod Sidewall Reflectors for Versatile Radiation Directionality Controlconference paper10.1364/cleo_at.2011.jwa95