Comparative Analysis of Emitted Magnetic Fields from Liquid Crystal Display (LCD) and Light Emitting Diode (LED) System

Bodunrin Isa Bakare, Victor T. Taol and Sunny Orike
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Bodunrin Isa Bakare: Rivers State University, Nigeria.
Victor T. Taol: Rivers State University, Nigeria.
Sunny Orike: Rivers State University, Nigeria.

European Journal of Electrical Engineering and Computer Science, 2020, vol. 4, issue 2

Abstract: This paper present the Comparative analysis of emitted magnetic fields from Liquid Crystal Display(LCD) and that of Light Emitting Diode (LED) system. A total of eighteen Liquid Crystal Display and Light Emitting Diode Monitors from different manufacturers were used. The magnetic field was measured using a trifield guass meter. The trifield guass meter was placed perpendicularly to the monitors at 5cm steps from the monitor up to 70cm and the magnetic field from each monitor was recorded in milligauss. The result showed that the magnetic field of the liquid crystal display monitors is almost 2 times greater than that of the light-emitting diode monitors. The obtained results were compared with international occupational and general public recommended exposure limit and The result was found to be below the permissible dose limit according to the IEEE( Institute of Electrical and Electronics Engineering) standard. Although there is minimal evidence of the health risk associated with the use of Visual Display Units (VDUs) and it is inconclusive.”

Keywords: agnetic field; Computers; Systems; Monitor (search for similar items in EconPapers)
Date: 2020
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Persistent link: https://EconPapers.repec.org/RePEc:epw:ejece0:v:4:y:2020:i:2:id:19203

DOI: 10.24018/ejece.2020.4.2.203

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