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Abstract: This study proposes an optimization approach for designing a dot-pattern LCD light guide plate LGP using Taguchi method, Back-propagation neural networks and genetic algorithms GA to obtain excellent luminance uniformity and illumination. Taguchi orthogonal array was employed to arrange the experimental work and to calculate the S-N ratio to determine the initial dot pattern distribution of LGP. The back-propagation neural network was employed to construct the optical predictor. Finally, the optical predictor was along with GA to search for optimal distribution of the hemispheric microstructure sizes.

KEYWORDS

Keywords: Taguchi Method; Back Light Module; Back-Propagation Neural Network; Genetic Algorithms; Optical Predictor

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Author: Wen-Chin CHEN, Min-Yen TSAI, Chen-Tai CHEN

Source: http://www.scirp.org/



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