Light-emitting diodes (LEDs) based on Gallium Nitride (GaN) have been revolutionizing various applications in lighting, displays, biotechnology, and other fields. However, their …
Physical mechanisms causing the efficiency droop in InGaN/GaN blue light-emitting diodes and remedies proposed for droop mitigation are classified and reviewed. Droop …
An unequivocal correlation between the onset of high injection and the onset of the efficiency droop is demonstrated in GaInN light-emitting diodes over a wide range of …
L Wang, J Jin, C Mi, Z Hao, Y Luo, C Sun, Y Han… - Materials, 2017 - mdpi.com
Efficiency droop in GaN-based light emitting diodes (LEDs) under high injection current density perplexes the development of high-power solid-state lighting. Although the relevant …
We discuss the influence of V-pits and their energy barrier, originating from its facets of (101¯ 1) planes, on the luminescence efficiency of InGaN LEDs. Experimental analysis …
Indirect phonon-assisted Auger recombination mechanisms in bulk InGaN are investigated in the framework of perturbation theory, using first-principles phonon spectral density …
Multiphysics processes such as recombination dynamics in the active region, carrier injection and transport, and internal heating may contribute to thermal and efficiency droop …
This paper presents the analytical model for the analysis of internal quantum efficiency as well as light output power of GaN-based light-emitting diodes by introducing the polarization …
The authors discuss a relatively comprehensive theoretical and experimental study aimed on unveiling the dominant efficiency loss mechanism at high injection levels in InGaN light …