Fig. 4From: Nearly Efficiency-Droop-Free AlGaN-Based Ultraviolet Light-Emitting Diodes with a Specifically Designed Superlattice p-Type Electron Blocking Layer for High Mg Doping EfficiencyNumerically computed profiles of the radiative recombination rate for LEDs A and B. Data are collected at the current density level of 50 A/cm2Back to article page