Li Zhi-quan
Institute of Electric and Engineering, Yanshan University, Qinhuangdao 066004, ChinaWang Ya-nan
Institute of Electric and Engineering, Yanshan University, Qinhuangdao 066004, ChinaLi Wen-chao
Department of Automation, Northeastern University at Qinhuangdao, Qinhuangdao 066004, ChinaCao Ping
Department of Automation, Northeastern University at Qinhuangdao, Qinhuangdao 066004, ChinaZhang Jing-ru
Department of Automation, Northeastern University at Qinhuangdao, Qinhuangdao 066004, ChinaThis work has been supported by the National Natural Science Foundation of China (No.60877047) and the Natural Science Foundation of Hebei Province (No.2010002002).
Li Zhi-quan, Wang Ya-nan, Li Wen-chao, Cao Ping, Zhang Jing-ru. Extraction efficiency enhancement of LEDs using 2-D photonic crystal[J]. Optoelectronics Letters,2012,8(3):186-189
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