Fig. 1From: Preparation of a Periodic Polystyrene Nanosphere Array Using the Dip-Drop Method with Post-deposition Etching and Its Application of Improving Light Extraction Efficiency of InGaN/GaN LEDs(a) Equipment, (b) process of the dip-drop method, and (c) I-V and L-I of the InGaN/GaN LEDs with different oxygen plasma-treated timesBack to article page