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Proceedings Paper

Fabrication of a novel integrated light guiding plate for backlight system by MEMS technique
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Paper Abstract

Backlight unit (BLU) comprises light sources, light guiding plate (LGP), prism sheets, two diffusive sheets and reflective sheet. Following the development of the thin-film liquid crystal display (LCD), many researchers have devoted to improve the BLU and then make it lighter, thinner and brighter. The LGP is a very important component in backlight unit (BLU). In General, Injection molding technology is utilized to fabricate the LGP, which is made of polymethyl methacrylate (PMMA). In this research, the integrated LGP with the microstructures of double-sides and a thin-film of enhanced reflection is fabricated by using Microelectromechanical Systems and hot-embossing techniques. A new BLU will be simplified to use only one guiding light component without using any optical sheets. The integrated LGP can eliminate three types of the optical components including reflective sheet, diffusive sheet, prism sheet in BLU; therefore, the space and the fabrication cost are saved. In future, the integrated LGP could make the display thinner and brighter for TFT-LCD application.

Paper Details

Date Published: 18 October 2006
PDF: 8 pages
Proc. SPIE 6376, Optomechatronic Micro/Nano Devices and Components II, 63760O (18 October 2006); doi: 10.1117/12.686063
Show Author Affiliations
Chao-Heng Chien, Tatung Univ. (Taiwan)
Zhi-Peng Chen, Tatung Univ. (Taiwan)


Published in SPIE Proceedings Vol. 6376:
Optomechatronic Micro/Nano Devices and Components II
Yoshitada Katagiri, Editor(s)

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