Recent progress in red light-emitting diodes by III-nitride materials

D Iida, K Ohkawa - Semiconductor Science and Technology, 2021 - iopscience.iop.org
GaN-based light-emitting devices have the potential to realize all visible emissions with the
same material system. These emitters are expected to be next-generation red, green, and …

[HTML][HTML] Recent progress on micro-LEDs

A Pandey, M Reddeppa, Z Mi - Light: Advanced Manufacturing, 2024 - light-am.com
With the advent of technologies such as augmented/virtual reality (AR/VR) that are moving
towards displays with high efficiency, small size, and ultrahigh resolution, the development …

High-efficiency InGaN red micro-LEDs for visible light communication

YM Huang, CY Peng, WC Miao, H Chiang… - Photonics …, 2022 - opg.optica.org
In this study, we present a high-efficiency InGaN red micro-LED fabricated by the
incorporation of superlattice structure, atomic layer deposition passivation, and a distributed …

InGaN-based red light-emitting diodes: from traditional to micro-LEDs

Z Zhuang, D Iida, K Ohkawa - Japanese Journal of Applied …, 2021 - iopscience.iop.org
InGaN-based LEDs are efficient light sources in the blue–green light range and have been
successfully commercialized in the last decades. Extending their spectral range to the red …

Size-independent peak external quantum efficiency (> 2%) of InGaN red micro-light-emitting diodes with an emission wavelength over 600 nm

P Li, H Li, H Zhang, C Lynsky, M Iza, JS Speck… - Applied Physics …, 2021 - pubs.aip.org
Red micro-light-emitting diodes (μLEDs) have been generated significant interest for the
next generation μLEDs displays. It has been shown that the external quantum efficiency …

Investigation of InGaN-based red/green micro-light-emitting diodes

Z Zhuang, D Iida, K Ohkawa - Optics Letters, 2021 - opg.optica.org
We investigated the performance of InGaN-based red/green micro-light-emitting diodes
(µLEDs) ranging from 98× 98 µ m 2 to 17× 17 µ m 2. The average forward voltage at 10 A/cm …

InGaN-based green micro-LED efficiency enhancement by hydrogen passivation of the p-GaN sidewall

P Kirilenko, D Iida, Z Zhuang… - Applied Physics Express, 2022 - iopscience.iop.org
We investigated the effect of the sidewall passivation by hydrogen plasma on the InGaN
green micro-LED performance. Hydrogen passivation deactivates the surface region of p …

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 …

606-nm InGaN amber micro-light-emitting diodes with an on-wafer external quantum efficiency of 0.56%

Z Zhuang, D Iida, M Velazquez-Rizo… - IEEE Electron Device …, 2021 - ieeexplore.ieee.org
We demonstrated amber InGaN micro-light-emitting diodes (LEDs) with the peak
wavelength of 606 nm and full-width at maximum (FWHM) of 50 nm at 20 A/cm 2. The amber …

Red InGaN nanowire LED with bulk active region directly grown on p-Si (111)

X Pan, J Song, H Hong, M Luo, R Nötzel - Optics Express, 2023 - opg.optica.org
A red nanowire LED with an InGaN bulk active region, directly grown on a p-Si (111)
substrate, is demonstrated. The LED exhibits relatively good wavelength stability upon …