GaN-based light-emitting diodes on various substrates: a critical review

G Li, W Wang, W Yang, Y Lin, H Wang… - Reports on Progress …, 2016 - iopscience.iop.org
GaN and related III-nitrides have attracted considerable attention as promising materials for
application in optoelectronic devices, in particular, light-emitting diodes (LEDs). At present …

Rational construction of staggered InGaN quantum wells for efficient yellow light-emitting diodes

X Zhao, B Tang, L Gong, J Bai, J Ping… - Applied Physics Letters, 2021 - pubs.aip.org
High-efficiency InGaN-based yellow light-emitting diodes (LEDs) with high brightness are
desirable for future high-resolution displays and lighting products. Here, we demonstrate …

Approaches for high internal quantum efficiency green InGaN light-emitting diodes with large overlap quantum wells

H Zhao, G Liu, J Zhang, JD Poplawsky, V Dierolf… - Optics express, 2011 - opg.optica.org
Optimization of internal quantum efficiency (IQE) for InGaN quantum wells (QWs) light-
emitting diodes (LEDs) is investigated. Staggered InGaN QWs with large electron-hole …

InGaN quantum well with gradually varying indium content for high-efficiency GaN-based green light-emitting diodes

S Zhou, Z Wan, Y Lei, B Tang, G Tao, P Du, X Zhao - Optics Letters, 2022 - opg.optica.org
High-efficiency GaN-based green LEDs are of paramount importance to the development of
the monolithic integration of multicolor emitters and full-color high-resolution displays. Here …

Advances and prospects in nitrides based light-emitting-diodes

L Jinmin, L Zhe, L Zhiqiang, Y Jianchang… - Journal of …, 2016 - iopscience.iop.org
Due to their low power consumption, long lifetime and high efficiency, nitrides based white
light-emitting-diodes (LEDs) have long been considered to be a promising technology for …

[HTML][HTML] Perspective: Toward efficient GaN-based red light emitting diodes using europium doping

B Mitchell, V Dierolf, T Gregorkiewicz… - Journal of Applied …, 2018 - pubs.aip.org
While InGaN/GaN blue and green light-emitting diodes (LEDs) are commercially available,
the search for an efficient red LED based on GaN is ongoing. The realization of this LED is …

Influence of excitation power and temperature on photoluminescence in InGaN/GaN multiple quantum wells

H Wang, Z Ji, S Qu, G Wang, Y Jiang, B Liu, X Xu… - Optics express, 2012 - opg.optica.org
Excitation power and temperature dependences of the photoluminescence (PL) spectra are
studied in InGaN/GaN multiple quantum wells (MQWs). The excitation power dependences …

Effect of crystal-field split-off hole and heavy-hole bands crossover on gain characteristics of high Al-content AlGaN quantum well lasers

J Zhang, H Zhao, N Tansu - Applied Physics Letters, 2010 - pubs.aip.org
The optical gain characteristics of high Al-content AlGaN quantum wells (QWs) are analyzed
for deep UV lasers. The effect of crystal-field split-off hole (CH) and heavy-hole (HH) bands …

Current injection efficiency induced efficiency-droop in InGaN quantum well light-emitting diodes

H Zhao, G Liu, RA Arif, N Tansu - Solid-State Electronics, 2010 - Elsevier
Current injection efficiency and its impact on efficiency-droop in InGaN single quantum well
(QW) based light-emitting diodes (LEDs) are investigated. The analysis is based on current …

Light extraction efficiency and radiation patterns of III-nitride light-emitting diodes with colloidal microlens arrays with various aspect ratios

XH Li, R Song, YK Ee, P Kumnorkaew… - IEEE Photonics …, 2011 - ieeexplore.ieee.org
The fabrication studies of silica/polystyrene (PS) colloidal microlens arrays with various
aspect ratios were performed on the III-nitride light-emitting diodes (LEDs). The use of …