Fig. 14From: On the p-AlGaN/n-AlGaN/p-AlGaN Current Spreading Layer for AlGaN-based Deep Ultraviolet Light-Emitting DiodesWPE as a function of the injection current for LEDs A, N1, N2, N3, and N4. Inset figure shows the WPE and EQE for LEDs with various number of PNP-AlGaN junction at the current density of 170 A/cm2Back to article page