Norfazilasari, Yasman and Raja Murfiqah, Raja Mohd Fouzy and Mohd Zairulnizam, Mohd Zawawi (2024) Fabrication of Polymer Light Guide Plate (LGP) using Direct CO2 Laser Structuring. Journal of Advanced Research in Applied Mechanics, 113 (1). pp. 79-91. ISSN 2289-7895. (Published)
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Abstract
Light guide plates (LGPs) are an integral component that help distribute illumination from the light source in a variety of applications. Therefore, the design and quality of the microstructure pattern in LGPs play a significant role in achieving high luminous efficiency and light uniformity. This study investigates the relationship between laser power and laser scanning speed to the formation of micro-dots by using CO2 direct laser structuring on PMMA. Furthermore, the effect of different micro-dots pitch to the luminance was also evaluated using the luminance meter. Our finding shows that increase of laser power and decrease of laser scanning speed resulted in larger micro-dots diameter and deeper micro-dots. The results also showed that the smaller the pitch, the higher the luminance reading. Overall, the low-cost CO2 direct laser structuring demonstrated in the study able to produce consistent micro-dots pattern diameter and height which is suitable for fabrication of LGPs in the mass production.
| Item Type: | Article |
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| Uncontrolled Keywords: | CO2 laser, light guide plate, PMMA, micro-dots, luminance, microstructures |
| Subjects: | T Technology > T Technology (General) T Technology > TS Manufactures |
| Faculty/Division: | Institute of Postgraduate Studies Faculty of Manufacturing and Mechatronic Engineering Technology |
| Depositing User: | Miss Amelia Binti Hasan |
| Date Deposited: | 08 Feb 2024 06:02 |
| Last Modified: | 08 Feb 2024 06:02 |
| URI: | http://umpir.ump.edu.my/id/eprint/40296 |
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