Influence of Switching Time on Relaxation Process of Distorting Field in HAN Liquid Crystal Cell

LI Xiao-ji; ZHENG Gui-li; ZHANG Zhi-dong

doi:10.3788/YJYXS20132801.0025

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Influence of Switching Time on Relaxation Process of Distorting Field in HAN Liquid Crystal Cell

更新时间：2020-08-12

- Influence of Switching Time on Relaxation Process of Distorting Field in HAN Liquid Crystal Cell
- Chinese Journal of Liquid Crystals and Displays Vol. 28, Issue 1, Pages: 25-28(2013)
- 作者机构：
  
  河北工业大学理学院, 天津 300401
- 作者简介：
- 基金信息：
- DOI：10.3788/YJYXS20132801.0025
  CLC： O753+.2
- Received：03 August 2012，
  
  Revised：07 September 2012，
  
  Published：15 February 2013
- 稿件说明：
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李晓吉, 郑桂丽, 张志东. HAN液晶盒中开关时间对形变场弛豫过程的影响[J]. 液晶与显示, 2013,(1): 25-28

LI Xiao-ji, ZHENG Gui-li, ZHANG Zhi-dong. Influence of Switching Time on Relaxation Process of Distorting Field in HAN Liquid Crystal Cell[J]. , 2013,(1): 25-28
李晓吉, 郑桂丽, 张志东. HAN液晶盒中开关时间对形变场弛豫过程的影响[J]. 液晶与显示, 2013,(1): 25-28 DOI： 10.3788/YJYXS20132801.0025.

LI Xiao-ji, ZHENG Gui-li, ZHANG Zhi-dong. Influence of Switching Time on Relaxation Process of Distorting Field in HAN Liquid Crystal Cell[J]. , 2013,(1): 25-28 DOI： 10.3788/YJYXS20132801.0025.

摘要

在HAN液晶盒撤掉外加电压的过程 (即弛豫过程)中

假定电压的开关时间为有限的

把电压处理为时间的指数衰减函数。在这一假定下

对撤掉外加电压后HAN液晶盒中指向矢的分布情况进行研究

得到了对HAN液晶盒的弛豫过程有影响的电压开关时间的范围。

Abstract

In the process of moving the voltage applied on hybrid aligned nematic liquid crystal cell (i.e. relaxation process)

switching time of voltage is assumed finite

and then the voltage in the relaxation process is handled as exponential attenuation function of time. Based on above assumption

the distribution of the director in hybrid aligned nematic liquid crystal cell is analyzed by numerical simulation and this paper get the range of switching time impacting on the relaxation process.

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references

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