Research Paper
Year: 2022 | Month: April | Volume: 9 | Issue: 4 | Pages: 435-440
DOI: https://doi.org/10.52403/ijrr.20220454
The Manufacturing of Tri-Chromatic White LED for LED Desk Lamp
Wen-Bin Lin1, Kao-Feng Yarn2
1Department of Electronic and Optoelectronic Application Engineering,
2Department of Aircraft Maintenance,
Far East University, Taiwan 744, ROC.
Corresponding Author: Wen-Bin Lin
ABSTRACT
The pollution of the environment and demand for energy are more and more serious because of the speedy development in scientific technology. The new scientific technology of economizing energy and environmental protection is everyone's striving goal. Solid-state lighting source, such as white-light LED, is a light source component which accords with this goal.
White light can be produced by mixing differently colored light, the most common method is to use red, green and blue (RGB). Hence the method is called multi-colored white LEDs (sometimes referred to as RGB LEDs).
This paper uses tri-chromatic white LED of RGB system to produce LED desk lamp. This paper also investigates different kinds RGB LED quantity and arrangement to find the optimal combination of white-light LED. Finally, we do not only use constant-voltage IC circuits to provide the LED brightness consistency and achieve approximate the white-light consistency, bust also employ the experiments to validate the characteristics of the lamp developed in this paper.
Keywords: White LED, light emitting diode, LED desk lamp tri-chromatic.
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