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The Optimization of Directly-Under-Light Type Backlight Module Structure for Brightness Uniformity

Journal Key Engineering Materials (Volumes 364 - 366)
Volume Optics Design and Precision Manufacturing Technologies
Edited by Guo Fan JIN, Wing Bun LEE, Chi Fai CHEUNG and Suet TO
Pages 166-171
DOI 10.4028/www.scientific.net/KEM.364-366.166
Citation Chi Feng Chen et al., 2007, Key Engineering Materials, 364-366, 166
Online since December, 2007
Authors Chi Feng Chen, Lea Ming Lu
Keywords Backlighting Module, Brightness Uniformity, Directly-Under-Light Type, LCD-TV Backlight, Ray-Tracing
Abstract

The optimization of the directly-under-light type backlight module structure for brightness uniformity is investigated. All structure parameters of the 32-inch LCD-TV backlight module are chosen by the ray-tracing method for the optimal brightness uniformity. It is shown that the brightness uniformity without optical sheets can be made as high as 87.3%.

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