Results 11 to 20 of about 5,338 (231)

Influence of Thin Fluorine Resin Film on DUV LED Packaging Devices

Applied Sciences, 2023
Amorphous fluorine resin is a promising material that can be used for the encapsulation of deep-ultraviolet light-emitting diodes (DUV LEDs) to promote the light output, due to its light characteristics which mean it shows no absorption in the DUV ...
Wenbo Li, Leming Tang, Yong Yang, Zhicong Zhang, Guanghui Li, Meixin Feng, Qiming Xu, Qian Sun   +7 more
doaj   +2 more sources

Deep-ultraviolet Fourier ptychography (DUV-FP) for label-free biochemical imaging via feature-domain optimization

APL Photonics
We present deep-ultraviolet Fourier ptychography (DUV-FP) for high-resolution chemical imaging of biological specimens in their native state without exogenous stains.
Qianhao Zhao, Ruihai Wang, Shuhe Zhang, Tianbo Wang, Pengming Song, Guoan Zheng   +5 more
doaj   +2 more sources

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, Feras AlQatari, Quang-Ho Luc   +2 more
doaj   +1 more source

Solid–Liquid Hybrid‐State Organic Lens for Highly Efficient Deep Ultraviolet Light‐Emitting Diodes

Advanced Photonics Research, 2022
Deep ultraviolet light‐emitting diodes (DUV‐LEDs) are considered to be the most promising ultraviolet light sources for effective and fast sterilization under the worldwide spread of the coronavirus disease (COVID‐19).
Zongtao Li, Jiexin Li, Zihao Deng, Yihua Qiu, Jiasheng Li, Yikai Yuan, Liang Xu, Xinrui Ding   +7 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, Qiushi Kang, Youwei Zhang, Xiaoli Zhang, Zihui Zhang   +4 more
doaj   +1 more source

Deep Ultraviolet Photodetector: Materials and Devices

Crystals, 2023
The application of deep ultraviolet detection (DUV) in military and civil fields has increasingly attracted the attention of researchers’ attention.
Wannian Fang, Qiang Li, Jiaxing Li, Yuxuan Li, Qifan Zhang, Ransheng Chen, Mingdi Wang, Feng Yun, Tao Wang   +8 more
doaj   +1 more source

Effects of chromaticity difference from Planckian locus duv of lighting on tinted color of illumination and brightness in space (part 1): Experiment using a scale model with uniform luminance distribution

Japan Architectural Review, 2022
The purpose of this study was to identify the combined effects of illuminance, correlated color temperature, and chromaticity shift from the Planckian locus duv on the perception of the tinted color of illumination and spatial brightness.
Etsuko Mochizuki, Takayuki Murakumo
doaj   +1 more source

A compact portable photoacoustic sensor for sub-ppm level SO2 detection with a DUV-LED and a non-resonant photoacoustic cell

Frontiers in Physics, 2023
A photoacoustic module based on a novel 273 nm deep-ultraviolet light-emitting diode (DUV-LED) was developed for sulfur dioxide (SO2) detection. The DUV-LED with an emission angle of 60° emitted a power of 10 mW.
Yujing Jing, Yujing Jing, Chaofan Feng, Chaofan Feng, Ruyue Cui, Ruyue Cui, Jiyu Xue, Jiyu Xue, Lei Dong, Lei Dong, Hongpeng Wu, Hongpeng Wu   +11 more
doaj   +1 more source

Effect of Duvelisib, a Selective PI3K Inhibitor on Seizure Activity in Pentylenetetrazole-Induced Convulsions Animal Model

Neuroscience Insights, 2023
Epilepsy is one of the most common neurological diseases, which is caused by abnormal brain activity. A wide variety of studies have shown the importance of the phosphatidylinositol-3-kinase (PI3K) signaling pathway in epilepsy pathogenesis.
Mahnaz Abdolrahmani, Naser Mirazi, Abdolkarim Hosseini   +2 more
doaj   +1 more source

High Efficiency Deep Ultraviolet Light-Emitting Diodes With Polarity Inversion of Hole Injection Layer

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, Shengrui Xu, Hongchang Tao, Yanrong Cao, Xinhao Wang, Hengsheng Shan, Jincheng Zhang, Yue Hao   +7 more
doaj   +1 more source