Recent progress of InGaN-Based red light emitting diodes

Z Lu, K Zhang, J Zhuang, J Lin, Z Lu, Z Jiang… - Micro and …, 2023 - Elsevier
Micro-LEDs have been hailed as the next generation display technology due to the
advantages of high brightness, high ambient contrast ratio, and high reliability. The In x Ga 1 …

Recent Progress in Long‐Wavelength InGaN Light‐Emitting Diodes from the Perspective of Epitaxial Structure

X Zhao, K Sun, S Cui, B Tang, H Hu… - Advanced Photonics …, 2023 - Wiley Online Library
Over the last decades, continuous technological advancements have been made in III‐
nitride light‐emitting diodes (LEDs), so that they are considered as a promising replacement …

Ga-polar GaN Camel diode enabled by a low-cost Mg-diffusion process

B Sarkar, J Wang, O Badami, T Pramanik… - Applied Physics …, 2023 - iopscience.iop.org
In this letter, we show that low-cost physical vapor deposition of Mg followed by a thermal
diffusion annealing process increases the effective barrier height at the metal/Ga-polar GaN …

Demonstration of 651 nm InGaN-based red light-emitting diode with an external quantum efficiency over 6% by InGaN/AlN strain release interlayer

K Xing, J Hu, Z Pan, Z Xia, Z Jin, L Wang, X Jiang… - Optics …, 2024 - opg.optica.org
This work reports a high-performance InGaN-based red-emitting LED with a strain-release
interlayer (SRI) consisting of an InGaN stress-release layer (SRL) and an AlN dislocation …

Optimizing Al composition in barriers for InGaN amber micro-LEDs with high wall-plug efficiency

Y Sang, Z Zhuang, K Xing, Z Jiang, C Li… - IEEE Electron …, 2023 - ieeexplore.ieee.org
This study demonstrated InGaN-based amber micro-light-emitting diodes (LEDs) with
varying Al contents of 2%, 5%, and 16% in barriers. The LEDs with Al GaN in barriers …

[HTML][HTML] Etching-free pixel definition in InGaN green micro-LEDs

Z Liu, Y Lu, H Cao, GI Maciel Garcia, T Liu… - Light: Science & …, 2024 - nature.com
The traditional plasma etching process for defining micro-LED pixels could lead to
significant sidewall damage. Defects near sidewall regions act as non-radiative …

High-efficiency InGaN red light-emitting diodes with external quantum efficiency of 10.5% using extended quantum well structure with AlGaN interlayers

D Lee, Y Choi, S Jung, Y Kim, SY Park, PJ Choi… - Applied Physics …, 2024 - pubs.aip.org
In this study, we have demonstrated a high-efficiency InGaN red (625 nm) light-emitting
diode (LED) with an external quantum efficiency (EQE) of 10.5% at a current density of 10 …

Effect of periodically varying chirped AlxInyGa (1-xy) N/Al0. 70Ga0. 30N Super-Lattice based electron blocking region for nearly droop free UV-C LEDs

I Mazumder, K Sapra, A Chauhan, M Mathew… - Materials Science and …, 2024 - Elsevier
A SLs quaternary nitride alloy-based UV-C LED with a uniquely designed electron blocking
region is proposed in this article. At 200 A/cm 2 current density, the proposed design has …

High-temperature performance of InGaN-based amber micro-light-emitting diodes using an epitaxial tunnel junction contact

Y Sang, Z Zhuang, K Xing, D Zhang, J Yan… - Applied Physics …, 2024 - pubs.aip.org
This study investigated the temperature-dependent electroluminescent (EL) performance of
InGaN-based amber micro-light-emitting diodes (μLEDs) with a diameter of 40 μm using an …

[HTML][HTML] Performance improvement of ingan-based red light-emitting diodes via ultrathin inn insertion layer

Q Zhou, P Du, L Shi, Y Sun, S Zhou - Photonics, 2023 - mdpi.com
The serious separation of electron–hole wavefunctions, which is caused by the built-in
electric field, prevents electron–hole radiative recombination in quantum wells (QWs) in high …