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Design of an Edge-Lit Backlight Module for an Autostereoscopic Display L&E 28 (2) 2020

Light & Engineering 28 (2)

Volume 28
Date of publication 04/13/2020
Pages 113–119

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Design of an Edge-Lit Backlight Module for an Autostereoscopic Display L&E 28 (2) 2020
Articles authors:
Chien-Min Hun, King-Lien Lee, Che-Yen Lin, Mei-Wen Chen, Jin-Jei Wu

Chien-Min Hun received his M.S. degree in electrical engineering and computer science from National Taipei University of Technology in 2011. He is currently working toward the Ph.D. degree at the electro-optical engineering, National Taipei University of Technology. His current research interest includes backlight module design and industry trend analysis and innovations of new prototype design

King-Lien Lee received the M.S. degree in physics from National Taiwan Normal University (NTNU) in 1980 and received the Ph.D. degree in Graduate Institute of Science Education from NTNU in 1999. He is a Professor of Electro-Optical Engineering at National Taipei University of Technology. His research interests are backlight system, industry trend analysis and innovations of new prototype design

Che-Yen Lin received the M.S. degree in electro-optical engineering, from National Taipei University of Technology in 2015. His research interest includes backlight module design and structure optimization

Mei-Wen Chen received her M.S. degree in electro-optical engineering from National Taipei University of Technology in 2018. Her current research interest includes backlight module design and structure optimization

Jin-Jei Wu received his M.S. degree in Industrial engineering from National Chiao Tung University (NCTU) in 1980 and received the Ph.D. degree in Department of Electronics Engineering from NCTU in 1989. He is a Professor of ElectroOptical Engineering at National Taipei University of Technology. He has more than 20 years experience in liquid crystal display improvement

Abstract:
Study focuses on optimization of an edge-lit backlight module for a three-dimensional liquid  crystal mobile phone display. The module is designed with microstructures on the top and bottom surfaces of the light-guide plate to offer time-multiplexed projection of light into a viewer’s eyes. We simulated the module by optical software (TracePro) and liquid crystal software (LCDMaster 2D).  The results effectively eliminate the need for prism  sheets and satisfy three main performance metrics, namely a direction light-emission angle, uniformity of illumination, and crosstalk elimination.
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