International Journal of Mechanical and Production Engineering (IJMPE)
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Statistics report
Apr. 2024
Submitted Papers : 80
Accepted Papers : 10
Rejected Papers : 70
Acc. Perc : 12%
Issue Published : 130
Paper Published : 2388
No. of Authors : 6802
  Journal Paper


Paper Title :
Determination of Efficiency of Light-Emitting Diodes Using Energy Conservation

Author :Ching-Yen Ho

Article Citation :Ching-Yen Ho , (2023 ) " Determination of Efficiency of Light-Emitting Diodes Using Energy Conservation " , International Journal of Mechanical and Production Engineering (IJMPE) , pp. 18-21, Volume-11,Issue-10

Abstract : The efficiency of light-emitting diodes is studied using energy conservation. Efficiency is an important parameter for light-emitting diodes. However, efficiency of light-emitting diodes involves complicated phenomena of light, electricity and heat. It is difficult for efficiency to model in mathematical form theoretical formula. ABC model is usually used as a standard mathematical form, but it is more suitable for explanation of efficiency droop. This work proposes a theoretical model to predict efficiency of light-emitting diodes. The energy conservation among input power, light-output power, and dissipation heat power is employed to determining the efficiency. It is revealed that the efficiency of the AlGaInP LED hardly decreases with the increasing forward current. The possible reason is low series resistance of AlGaInP LED. Effects of material poperties on the efficiency AlGaInP LED is discussed. Keywords - Light-emitting diodes, Forward current, Junction temperature, Light power.

Type : Research paper

Published : Volume-11,Issue-10


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