Metal–organic–vapor phase epitaxy of InGaN quantum dots and their applications in light-emitting diodes*
Wang Lai†, Yang Di, Hao Zhi-Biao, Luo Yi
       
Photos of white LED under different injection current. At low current, the yellow QDs dominate the luminescence; while at high current, the blue QWs dominate the luminescence. Reprinted from Ref. [ 42 ], Copyright 2015, with permission from Elsevier.