scholarly journals Design of high power LED-based UVA emission system and a photosensitive substance for clinical application in corneal radiation

2015 ◽  
Author(s):  
Alessandro D. Mota ◽  
André M. Cestari ◽  
André O. de Oliveira ◽  
Anselmo G. Oliveira ◽  
Cristina H. B. Terruggi ◽  
...  
Keyword(s):  
Clinical Application ◽  
High Power ◽  
High Power Led ◽  
Emission System ◽  
Photosensitive Substance

scholarly journals Thermal conductivity performance of nanoporous plate for high-power LED lighting and power electronics

2019 ◽  
Vol 1309 ◽  
pp. 012016
Author(s):  
A D Kurilov ◽  
V V Belyaev ◽  
K D Nessemon ◽  
E D Besprozvannyi ◽  
A O Osin ◽  
...  
Keyword(s):  
Thermal Conductivity ◽  
Power Electronics ◽  
High Power ◽  
Led Lighting ◽  
High Power Led

Photodynamic therapy with high-power LED mediated by erythrosine eliminates Enterococcus faecalis in planktonic forms

2017 ◽  
Vol 19 ◽  
pp. 348-351 ◽  
Author(s):  
Alberto Sabin Moura Borba ◽  
Sângela Maria da Silva Pereira ◽  
Mellyna Cavalcante Mendes Borba ◽  
Marco Aurélio Benini Paschoal ◽  
Rudys Rodolfo de Jesus Tavarez ◽  
...  
Keyword(s):  
Photodynamic Therapy ◽  
Enterococcus Faecalis ◽  
High Power ◽  
High Power Led

scholarly journals Analysis on High-Power Seaport LED Luminaire with Uniform Light Distribution Based on Optimized Lens and Heatsink

2021 ◽  
Vol 11 (9) ◽  
pp. 4035
Author(s):  
Jinsheon Kim ◽  
Jeungmo Kang ◽  
Woojin Jang
Keyword(s):  
Light Source ◽  
High Power ◽  
Heat Dissipation ◽  
Light Emitting Diode ◽  
Light Distribution ◽  
Light Sources ◽  
Led Light ◽  
High Power Led ◽  
Distribution Requirement ◽  
Lighting Application

In the case of light-emitting diode (LED) seaport luminaires, they should be designed in consideration of glare, average illuminance, and overall uniformity. Although it is possible to implement light distribution through auxiliary devices such as reflectors, it means increasing the weight and size of the luminaire, which reduces the feasibility. Considering the special environment of seaport luminaires, which are installed at a height of 30 m or more, it is necessary to reduce the weight of the device, facilitate replacement, and secure a light source with a long life. In this paper, an optimized lens design was investigated to provide uniform light distribution to meet the requirement in the seaport lighting application. Four types of lens were designed and fabricated to verify the uniform light distribution requirement for the seaport lighting application. Using numerical analysis, we optimized the lens that provides the required minimum overall uniformity for the seaport lighting application. A theoretical analysis for the heatsink structure and shape were conducted to reduce the heat from the high-power LED light sources up to 250 W. As a result of these analyses on the heat dissipation characteristics of the high-power LED light source used in the LED seaport luminaire, the heatsink with hexagonal-shape fins shows the best heat dissipation effect. Finally, a prototype LED seaport luminaire with an optimized lens and heat sink was fabricated and tested in a real seaport environment. The light distribution characteristics of this prototype LED seaport luminaire were compared with a commercial high-pressure sodium luminaire and metal halide luminaire.

Visible-light communication using high-power LED panel-lamp and low-complexity MOSFET circuit

2021 ◽  
Vol 53 (1) ◽  
Author(s):  
Huamao Huang ◽  
Tianxiang Lan ◽  
Cheng Huang ◽  
Chao Wang ◽  
Chukun Huang ◽  
...  
Keyword(s):  
Visible Light ◽  
High Power ◽  
Visible Light Communication ◽  
Low Complexity ◽  
High Power Led

scholarly journals Design Optimization of a High Power LED Matrix Luminaire

Energies ◽  
2017 ◽  
Vol 10 (5) ◽  
pp. 639 ◽  
Author(s):  
Jose Barbosa ◽  
Dan Simon ◽  
Wesley Calixto
Keyword(s):  
Design Optimization ◽  
High Power ◽  
High Power Led ◽  
Led Matrix
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