Mitigating current crowding for enhanced reliability of AlGaN-based deep-ultraviolet LEDs through triangular island-shaped p-electrode design

Y Chen, Q Lv, J Liu, X Huang, Y Cao, T Yang… - Optics & Laser …, 2025 - Elsevier
Current crowding and poor reliability due to uneven current distribution are significant
challenges limiting the widespread application of AlGaN-based flip-chip deep-ultraviolet …

[PDF][PDF] 电流和温度应力对LED 球泡灯可靠性的影响

蓝栩砚, 杨欣, 宿世臣, 章勇 - Laser & Optoelectronics Progress, 2019 - researching.cn
摘要通过研究电流和温度应力及二者共同作用对发光二极管(LED) 球泡灯可靠性的影响,
分析各应力下LED 球泡灯的失效机理. 结果表明: 在室温情况下, 以电流为加速应力时 …

Improving the external quantum efficiency of high-power GaN-based flip-chip LEDs by using sidewall composite reflective micro structure

L Xu, K Fan, H Sun, Z Guo - Micromachines, 2021 - mdpi.com
For high-power applications, it is important to improve the light extraction efficiency and light
output of the vertical direction of LEDs. Flip-chip LEDs (FCLEDs) with an Ag/SiO2/distributed …

[PDF][PDF] Improving the external quantum efficiency of high power GaN based Flip-Chip LEDs using ag/SiO2/DBR/SiO2 composite ReflectiveStructure

L Xu, J Zhan, H Sun, Z Chen, Z Guo - 2021 - scholar.archive.org
Results The LED samples were grown on the c-plane of the patterned sapphire substrate
using the metal–organic chemical vapor deposition (MOCVD) method. The epitaxial …