Recent Advances in Packaging Technologies of AlGaN‐Based Deep Ultraviolet Light‐Emitting Diodes

S Liang, W Sun - Advanced Materials Technologies, 2022 - Wiley Online Library
AlGaN‐based deep ultraviolet light‐emitting diodes (UV LEDs) have gained rapidly growing
attention due to their wide applications in water purification, air disinfection, and sensing as …

AlGaN-based deep ultraviolet micro-LED emitting at 275 nm

H Yu, MH Memon, D Wang, Z Ren, H Zhang… - Optics Letters, 2021 - opg.optica.org
The investigation of electrical and optical properties of micro-scale AlGaN deep ultraviolet
(DUV) light-emitting diodes (LEDs) emitting at∼ 275nm was carried out, with an emphasis …

Enhanced light extraction of the deep-ultraviolet micro-LED via rational design of chip sidewall

M Tian, H Yu, MH Memon, Z Xing, C Huang, H Jia… - Optics Letters, 2021 - opg.optica.org
In this Letter, we perform a comprehensive investigation on the optical characterization of
micro-sized deep-ultraviolet (DUV) LEDs (micro-LEDs) emitting below 280 nm, highlighting …

Investigation on reliability of red micro-light emitting diodes with atomic layer deposition passivation layers

HH Huang, SK Huang, YL Tsai, SW Wang, YY Lee… - Optics …, 2020 - opg.optica.org
In this study, AlGaInP red light emitting diodes with sizes ranging from 5 to 50 micrometers
were fabricated and characterized. The atomic layer deposition technology is applied to coat …

275 nm deep ultraviolet AlGaN-based micro-LED arrays for ultraviolet communication

L Guo, Y Guo, J Yang, J Yan, J Liu… - IEEE Photonics …, 2021 - ieeexplore.ieee.org
In this work, we fabricated and characterized 4× 4 parallel flip-chip AlGaN-based micro-LED
arrays with varied mesa diameters of 120 µm, 100 µm, 80 µm, and 60 µm. The reported …

Thermal and optical properties of high-density GaN micro-LED arrays on flexible substrates

M Asad, Q Li, M Sachdev, WS Wong - Nano Energy, 2020 - Elsevier
Flexible GaN-based micron-size light-emitting diodes (μLEDs) with high brightness and low
power-consumption are a promising technology for next-generation wearable displays …

A brief review of innovative strategies towards structure design of practical electronic display device

L Ma, Y Shao - Journal of Central South University, 2020 - Springer
Display devices have significantly changed our daily life for decades, from the watches,
television, to the laptop and smartphone. As the desire of advanced display device with high …

Effects of current, temperature, and chip size on the performance of AlGaInP-based red micro-light-emitting diodes with different contact schemes

DH Lee, SY Lee, JI Shim, TY Seong… - ECS Journal of Solid …, 2021 - iopscience.iop.org
We have investigated the performance of AlGaInP-based red micro-light-emitting diodes
(micro-LEDs) with different n-type contact schemes as functions of current, ambient …

Red InGaN micro-LEDs on silicon substrates: Potential for multicolor display and wavelength division multiplexing visible light communication

X Lu, Y Li, Z Jin, S Zhu, Z Wang, Z Qian… - Journal of Lightwave …, 2023 - ieeexplore.ieee.org
Red micro light-emitting diodes (micro-LEDs) on silicon substrates are crucial for the
realization of large-scale, high-quality, low-cost micro-LED displays, and are also beneficial …

MOCVD grown ultraviolet microlight-emitting diodes with an InGaN/GaN/AlGaN active region design

G Wang, Y Li, C Liu, Q Lin, S Sanyal, C Gupta… - Journal of Vacuum …, 2023 - pubs.aip.org
In this work, we present an InGaN/GaN/AlGaN active region design for high-efficiency UV
LED grown by MOCVD. The use of the GaN layer allows the AlGaN layer to be grown in …