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Proceedings Paper

A time-sequential backlight based on a LED collimation module
Author(s): Chi-Hung Lee; Shih-Hsin Ma; An-Chin Tai
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Paper Abstract

Collimation lenses for light-emitting diode (LED) light sources have been widely used in lighting engineering. In this study, a collimated LED light source was developed for a color liquid-crystal display backlight, which is driven using a two-field driving scheme to display color. A color-separation backlight that involves using the designed collimation modules possesses several advantages such as low volume, elimination of dye color filters, high feasibility with conventional ultraprecision machining processes, and a wide color gamut.

Paper Details

Date Published: 4 March 2015
PDF: 6 pages
Proc. SPIE 9302, International Conference on Experimental Mechanics 2014, 93023N (4 March 2015); doi: 10.1117/12.2084518
Show Author Affiliations
Chi-Hung Lee, Feng Chia Univ. (Taiwan)
Shih-Hsin Ma, Feng Chia Univ. (Taiwan)
An-Chin Tai, Feng Chia Univ. (Taiwan)


Published in SPIE Proceedings Vol. 9302:
International Conference on Experimental Mechanics 2014
Chenggen Quan; Kemao Qian; Anand Asundi; Fook Siong Chau, Editor(s)

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