Results 31 to 40 of about 8,247 (230)
Semi-inorganic Packaging Technology of DUV-LEDs with High-vapor Tightness [PDF]
Chinese Journal of Luminescence, 2023 Chuiming WAN +5 more
openalex +2 more sources
Greatly Enhanced Wall-Plug Efficiency of N-polar AlGaN-Based Deep Ultraviolet Light-Emitting Diodes
IEEE Photonics Journal, 2021 In this work, we numerically investigate the N-polar AlGaN-based deep ultraviolet light-emitting diodes (DUV LEDs) over the Ga-polar DUV LEDs. The light output power has increased from 7.1 mW of Ga-polar DUV LED to 18.8 mW of N-polar DUV LED at 60 mA ...
Hongchang Tao +4 more
doaj +1 more source
Deep Ultraviolet Light-Emitting Diode Light Therapy for Fusobacterium nucleatum
Microorganisms, 2021 Background: Fusobacterium nucleatum, which is associated with periodontitis and gingivitis, has been detected in colorectal cancer (CRC). Methods: We evaluated the bactericidal effect of deep ultraviolet (DUV) light-emitting diode (LED) light therapy on ...
Soichiro Fukuda +12 more
doaj +1 more source
A 265-Nanometer High-Power Deep-UV Light-Emitting Diode Rapidly Inactivates SARS-CoV-2 Aerosols
mSphere, 2022 Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection (COVID-19) is an acute respiratory infection transmitted by droplets, aerosols, and contact.
Hiroshi Ueki +5 more
doaj +1 more source
IEEE Photonics Journal, 2023 In this work, we investigate the performance improvement of N-polar AlGaN-based deep ultraviolet light-emitting diodes (DUV LEDs) by the inversion of the hole injection layer from N-polar to Ga-polar.
Xu Liu +7 more
doaj +1 more source
Nanophotonic crystals on unpolished sapphire substrates for deep-UV light-emitting diodes
Scientific Reports, 2021 A new method has been established and employed to create a random nanophotonic crystal (NPhC) structure without photolithography on the unpolished side of a single-side-polished sapphire substrate.
Tinh Binh Tran +2 more
doaj +1 more source
Quantitative evaluation of SARS-CoV-2 inactivation using a deep ultraviolet light-emitting diode
Scientific Reports, 2021 Inactivation technology for severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is certainly a critical measure to mitigate the spread of coronavirus disease 2019 (COVID-19). A deep ultraviolet light-emitting diode (DUV-LED) would be a promising
Takeo Minamikawa +10 more
doaj +1 more source
Research Progress of AlGaN-Based Deep Ultraviolet Light-Emitting Diodes
Micromachines, 2023 AlGaN-based deep ultraviolet light-emitting diodes (DUV LEDs) have great application prospects in sterilization, UV phototherapy, biological monitoring and other aspects.
Ruiqiang Xu +4 more
doaj +1 more source
Improvement of Light Extraction in Deep Ultraviolet GaN Light Emitting Diodes with Mesh P-Contacts
Applied Sciences, 2020 One of the main reasons that the emission efficiency of GaN-based light-emitting diodes (LEDs) decreases significantly as the emission wavelength shorter than 300 nm is the low light extraction efficiency (LEE). Especially in deep ultra-violet (DUV) LEDs,
Shiou-Yi Kuo +3 more
doaj +1 more source
Opto-Electronic Advances, 2023 Efficient and eco-friendly disinfection of air-borne human respiratory RNA viruses is pursued in both public environment and portable usage. The AlGaN-based deep ultraviolet (DUV) light-emission diode (LED) has high practical potentials because of its ...
Ke Jiang +10 more
doaj +1 more source