Light-emitting V-pits: An alternative approach toward luminescent indium-rich InGaN quantum dots

JY Chung, Z Li, SA Goodman, J So… - ACS …, 2021 - ACS Publications
Realization of fully solid-state white light emitting devices requires high efficiency blue,
green, and red emitters. However, challenges remain in boosting the low quantum efficiency …

Degradation mechanisms of InGaN visible LEDs and AlGaN UV LEDs

C De Santi, A Caria, F Piva, G Meneghesso… - … of Semiconductor Lasers …, 2021 - Elsevier
In this chapter we discuss the main open issues for GaN-based light-emitting diode
reliability. After a comprehensive review of the possible deep levels present in these …

The influence of point defects on AlGaN-based deep ultraviolet LEDs

Z Ma, A Almalki, X Yang, X Wu, X Xi, J Li, S Lin… - Journal of Alloys and …, 2020 - Elsevier
AlGaN-based deep ultraviolet LEDs with high Al composition are promising for many
applications, including air-or water-purification, fluorescence sensing, etc. However, to …

Optical and frequency degradation behavior of GaN-based micro-LEDs for visible light communication

Z Ma, H Cao, S Lin, X Li, X Xi, J Li, L Zhao - Optics Express, 2020 - opg.optica.org
In this study, optical power and frequency response degradation behavior of GaN-based
micro-LEDs with bandwidth up to 800MHz were investigated under different modes …

[HTML][HTML] Differences in electrical responses and recovery of GaN p+ n diodes on sapphire and freestanding GaN subjected to high dose 60Co gamma-ray irradiation

K Ahn, YK Ooi, F Mirkhosravi, J Gallagher… - Journal of Applied …, 2021 - pubs.aip.org
We investigate the effects of high-rate and high total doses of 60 Co gamma rays on the
current–voltage (IV) characteristics of GaN p+ n diodes grown by metal-organic chemical …

Sulfur-rich ageing mechanism of silicone encapsulant used in LED packaging: An experimental and molecular dynamic simulation study

W Chen, Y Chen, Y Cao, Z Cui, X Fan, G Zhang… - Frontiers in …, 2022 - frontiersin.org
In a light-emitting diode (LED) package, silicone encapsulant serves as a chip protector and
enables the light to transmit, since it exhibits the advantages of high light transmittance, high …

The effects of nontoxic bio-based substances (egg white) on the performance and passivation of ZnO nanorods arrays-based light emitting devices

SH Chuang, DN Feria, YS Lo, TH Hsieh… - Nanotechnology, 2024 - iopscience.iop.org
An innovative approach is proposed to passivate the existing defects from metal oxide
semiconductors by functionalizing nontoxic bio-based substances. As a demonstration, we …

Failure Mechanism of Phosphors in GaN‐Based White LEDs

Z Ma, H Cao, X Sun, C Yang, X Xi, J Li… - … status solidi (a), 2019 - Wiley Online Library
The degradation and failure mechanisms of nitride phosphor in GaN‐based white LEDs are
studied using an in situ multi‐functional accelerated life test and different analytical …

[HTML][HTML] Модель деградации InGaN/GaN светодиода при токовых испытаниях с учетом неоднородного распределения температуры и плотности тока в …

ВА Сергеев, АМ Ходаков… - Радиоэлектроника …, 2020 - cyberleninka.ru
Представлена диффузионная кинетическая модель деградации мощности оптического
излучения светодиода на основе двойной InGaN/GaN гетероструктуры в процессе …

Synthesis of hydrogen-containing methyl phenyl silicone resins with a high refractive index for Led encapsulation

Z Pan, K Zeng, B Huang, L Zhu - Journal of Electronic Materials, 2020 - Springer
Addition-curing is the most common method for preparing high-performance silicone
materials for light-emitting diode (LED) encapsulation. The structure and the hydrogen …