Superlattice-Induced Variations in Morphological and Emission Properties of GaInN/GaN Multiquantum Nanowire-Based Micro-LEDs.
Sign Up to like & getrecommendations! Published in 2022 at "ACS applied materials & interfaces"
DOI: 10.1021/acsami.2c13648
Abstract: Core-shell GaInN/GaN multiquantum shell (MQS) nanowires (NWs) are gaining great attention for high-efficiency micro-light-emitting diodes (micro-LEDs) owing to the minimized etching region on their sidewall, nonpolar or semipolar emission planes, and ultralow density of dislocations.… read more here.
Keywords: gainn gan; semipolar plane; micro leds; micro ... See more keywords
Superior characteristics of microscale light emitting diodes through tightly lateral oxide-confined scheme
Sign Up to like & getrecommendations! Published in 2017 at "Applied Physics Letters"
DOI: 10.1063/1.4973966
Abstract: We report on the design of the geometry and chip size–controlled structures of microscale light-emitting diodes (micro-LEDs) with a shallow-etched oxide-refilled current aperture and their performance. The proposed structure, which combines an indium-tin-oxide layer and… read more here.
Keywords: microscale light; micro leds; oxide confined; emitting diodes ... See more keywords
Beyond solid-state lighting: Miniaturization, hybrid integration, and applications of GaN nano- and micro-LEDs
Sign Up to like & getrecommendations! Published in 2019 at "Applied physics reviews"
DOI: 10.1063/1.5096322
Abstract: Gallium nitride (GaN) light-emitting-diode (LED) technology has been the revolution in modern lighting. In the last decade, a huge global market of efficient, long-lasting, and ubiquitous white light sources has developed around the inception of… read more here.
Keywords: state; solid state; beyond solid; micro leds ... See more keywords
Micro-LEDs Illuminate Visible Light Communication
Sign Up to like & getrecommendations! Published in 2023 at "IEEE Communications Magazine"
DOI: 10.1109/mcom.002.2200109
Abstract: Visible light communication (VLC), as an interdisciplinary paradigm, spans various technologies from basic device sciences to system engineering. Micro-size light-emitting diodes (micro-LEDs), because of their excellent spatio-temporal capability, are promising candidates for use as transmitters… read more here.
Keywords: micro leds; leds illuminate; light communication; micro ... See more keywords
Increase in the Efficiency of III-Nitride Micro-LEDs: Atomic-Layer Deposition and Etching
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Nanotechnology Magazine"
DOI: 10.1109/mnano.2021.3066393
Abstract: MICRO-LEDs ( n-LEDs) HAVE been engaged in the next-generation display technology and evolved for various applications from several electronics manufacturers and institutions. The area of n-LEDs (less than 10 # 10 nm2) is desired for… read more here.
Keywords: micro leds; increase efficiency; efficiency iii; nitride micro ... See more keywords
Ultra-bright green InGaN micro-LEDs with brightness over 10M nits.
Sign Up to like & getrecommendations! Published in 2022 at "Optics express"
DOI: 10.1364/oe.451509
Abstract: An investigation of electrical and optical properties of InGaN micro-scale light-emitting diodes (micro-LEDs) emitting at ∼530 nm is carried out, with sizes of 80, 150, and 200 µm. The ITO as a current spreading layer… read more here.
Keywords: ingan micro; ultra bright; 10m nits; micro leds ... See more keywords
GaN-based parallel micro-light-emitting diode arrays with dual-wavelength InxGa1-xN/GaN MQWs for visible light communication.
Sign Up to like & getrecommendations! Published in 2022 at "Optics express"
DOI: 10.1364/oe.452679
Abstract: The dual-wavelength InxGa1-xN/GaN micro light emitting diode (Micro-LED) arrays are fabricated by flip-chip parallel connection. It is noted that the Micro-LED arrays with smaller diameter present considerably bigger light output power density (LOPD). For all… read more here.
Keywords: micro leds; micro; wavelength inxga1; inxga1 gan ... See more keywords
Hundred-meter Gb/s deep ultraviolet wireless communications using AlGaN micro-LEDs.
Sign Up to like & getrecommendations! Published in 2022 at "Optics express"
DOI: 10.1364/oe.475049
Abstract: We demonstrate the use of deep ultraviolet (DUV) micro-light-emitting diodes (LEDs) for long-distance line-of-sight optical wireless communications. With a single 285 nm-emitting micro-LED, we have respectively achieved data rates greater than 6.5 Gb/s at a distance of… read more here.
Keywords: wireless communications; deep ultraviolet; micro leds;
Size dependence of quantum efficiency of red emission from GaN:Eu structures for application in micro-LEDs.
Sign Up to like & getrecommendations! Published in 2020 at "Optics letters"
DOI: 10.1364/ol.397848
Abstract: GaN-based micro-LEDs typically suffer from a size-dependent efficiency due to the relatively long carrier lifetime and sidewall-related recombination effects. We demonstrate that for red-emitting Eu-doped GaN, sidewall-related recombination is hardly an issue for emission efficiency.… read more here.
Keywords: micro leds; quantum efficiency; size; micro ... See more keywords
High brightness and broad modulation bandwidth InGaN-based red micro-LEDs integrated with plasmonic gratings.
Sign Up to like & getrecommendations! Published in 2022 at "Optics letters"
DOI: 10.1364/ol.472236
Abstract: We propose red micro-LEDs integrated with plasmonic gratings, which demonstrate high efficiency and broad modulation bandwidth. The Purcell factor and external quantum efficiency (EQE) for an individual device can be improved up to 5.1 and… read more here.
Keywords: micro; red micro; modulation bandwidth; micro leds ... See more keywords
Improved Optical and Electrical Characteristics of GaN-Based Micro-LEDs by Optimized Sidewall Passivation
Sign Up to like & getrecommendations! Published in 2022 at "Micromachines"
DOI: 10.3390/mi14010010
Abstract: GaN-based Micro-LED has been widely regarded as the most promising candidate for next generation of revolutionary display technology due to its advantages of high efficiency, high brightness and high stability. However, the typical micro-fabrication process… read more here.
Keywords: gan based; micro leds; micro; sidewall passivation ... See more keywords