Improvement of green InGaN-based LEDs efficiency using a novel quantum well structure

Li Yangfeng^{1, 2}, Jiang Yang^{1, 2}, Die Junhui^{1, 2}, Wang Caiwei^{1, 2}, Yan Shen^{1, 2}, Ma Ziguang^{1, 2}, Wu Haiyan^{1, 2}, Wang Lu^{1, 2}, Jia Haiqiang^{1, 2}, Wang Wenxin^{1, 2}, Chen Hong^{1, 2, †}

(color online) Schematic diagram of LED structures for (a) novel quantum well structure LED A and (b) conventional quantum well structure LED B.