Jinan University (CN) NUSOD contributions 2016 - Sydney TuP14 — Improvement of Light Extraction Efficiency of GaN-based Flip-chip LEDs by a Double-sided Spherical Cap-shaped Patterned Sapphire Substrate - (POSTER)2015 - Taipei MP44 — Double-sided Hemispherical Pattern Design on Patterned Sapphire Substrate of GaN-based LEDs - (POSTER)2014 - Mallorca MC5 — Double-sided Pattern Design on Patterned Sapphire Substrate of GaN-based LEDs2013 - Vancouver MP22 — The correlation coefficient method for alignment of polarization maintaining fiber - (POSTER)