Results 1 to 10 of about 2,714,438 (302)

Design and Implementation of a Germicidal UVC-LED Lamp [PDF]

open access: yesIEEE Access, 2020
In the last years, low pressure ozone UVC mercury germicidal lamps have been widely used to decontaminate air, surfaces, and water. This technology is mature, and it has been widely used during the pandemic as a measure against SARS-CoV-2, the ...
Francisco A. Juarez-Leon   +3 more
doaj   +3 more sources

Experimental study of the LED lamp [PDF]

open access: yesMATEC Web of Conferences, 2021
LEDs are widely used light sources. Their main advantages are low power consumption, mechanical strength, high luminous efficacy, and a lifetime exceeding 50 000 hours.
Markowicz Marek, Smyk Emil, Smusz Robert
doaj   +2 more sources

Influence of Ambient Temperature on Optical Characteristics and Power Consumption of LED Lamp for Automotive Headlamp

open access: yesApplied Sciences (Switzerland), 2022
In this study, the authors propose a method for evaluating the influence of ambient temperature (Ta) on the optical characteristics and power consumption of a LED lamp used for the automotive headlamp, which helps the designer to figure out the ...
Chun-Hsin Chang   +2 more
exaly   +2 more sources

Value Retention Options in Circular Economy: Issues and Challenges of LED Lamp Preprocessing

open access: yesSustainability, 2019
The Circular Economy is gaining recognition for its attention to increasing material circularity by proposing a set of value retention options, and organizing business, institutions, and policies for their implementation.
S M Mizanur Rahman   +2 more
exaly   +2 more sources

BEZPIECZEŃSTWO STOSOWANIA LAMP LED

open access: yesInformatyka, Automatyka, Pomiary w Gospodarce i Ochronie Środowiska, 2015
Przedstawiono doniesienia literaturowe oraz własne wyniki badań promieniowania optycznego lamp LED i oceniono stwarzane przez nie zagrożenie fotobiologiczne w  oparciu o normę PN-EN 62471 „Bezpieczeństwo lamp i systemów lampowych”.
Stanisław Marzec
doaj   +2 more sources

Design of a Secondary Freeform Lens of UV LED Mosquito-Trapping Lamp for Enhancing Trapping Efficiency

open access: yesCrystals, 2018
In this study, our proposed ultraviolet light-emitting diode (UV LED) mosquito-trapping lamp is designed to control diseases brought by insects such as mosquitoes. In order to enable the device to efficiently catch mosquitoes in a wider area, a secondary
Wei-Hsiung Tseng   +5 more
doaj   +3 more sources

Optimal Power Allocation for Integrated Visible Light Positioning and Communication System With a Single LED-Lamp [PDF]

open access: yesIEEE Transactions on Communications, 2022
In this paper, we investigate an integrated visible light positioning and communication (VLPC) system with a single LED-lamp. First, by leveraging the fact that the VLC channel model is a function of the receiver’s location, we propose a system model ...
Shuai Ma   +8 more
semanticscholar   +1 more source

Theoretical and Experimental Analysis of LED Lamp for Visible Light Communications

open access: yesWireless personal communications, 2022
Visible light communications (VLC) are an emerging technology that uses light-emitting diodes (LEDs) and photodiodes to provide high-speed communication between devices employing the visible light spectrum.
Marcelo de Oliveira   +4 more
semanticscholar   +1 more source

Recycling and Material Flow Analysis of End-of-Life Fluorescent Lamps in South Korea

open access: yesEnergies, 2022
Proper management and treatment of end-of-life fluorescent lamps with a toxic metal of mercury has attracted critical concern in the solid waste community.
Yong-Chul Jang   +4 more
doaj   +1 more source

Economic Analysis of Replacing HPS Lamp with LED Lamp and Cost Estimation to Set Up PV/Battery System for Street Lighting in Oman

open access: yesEnergies, 2021
In this paper, two aspects related to streetlight systems are considered. In the first part, the economic analysis of replacing existing HPS lamps with light-emitting diode (LED) and discrete LED lamps for street lighting is performed using actual data ...
Rona George Allwyn   +3 more
semanticscholar   +1 more source

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