National Changhua University of Education Institutional Repository : Item 987654321/15099
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题名: Switching of Polymer-stabilized Vertical Alignment Liquid Crystal Cell
作者: Huang, Chi-Yen;Jhuang, Wen-Yi;Hsieh, Chia-Ting
贡献者: 光電科技研究所
日期: 2008-03
上传时间: 2013-01-07T02:10:43Z
出版者: Optical Society of America
摘要: This work investigates the switching characteristics of the polymer-stabilized vertical alignment (VA) liquid crystal (LC) cell. The experimental results reveal that the fall time of the cell declines as the monomer concentration increases because the vertically-aligned polymer networks accelerate the relaxation of the LC molecules. Furthermore, the formed polymer networks impede the growth and annihilation of LC defects, suppressing the optical bounce in the time dependent transmittance curve of the cell when the voltage is applied to the cell, substantially reducing the rise time of the cell. A step-voltage driving scheme is demonstrated to eliminate completely the optical bounce and hence improve further the rise time of the VA LC cell. The rise times of the pristine and the polymer-stabilized VA LC cells under the step-voltage driving scheme are less than 50% of those under the conventional driving scheme.
關聯: Optics Express, 16(6): 3859-3864
显示于类别:[光電科技研究所] 期刊論文

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