Effect of aligning layer parameters on response time

CHEN Yun-chang; XUAN Li; YAO Li-shuang; PENG Zeng-hui

doi:10.3788/YJYXS20163101.0062

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Effect of aligning layer parameters on response time

Material and Device | 更新时间：2020-08-12

- Effect of aligning layer parameters on response time
- Chinese Journal of Liquid Crystals and Displays Vol. 31, Issue 1, Pages: 62-66(2016)
- 作者机构：
  
  1. 中国科学院大学北京,中国,100049
  2. 中国科学院长春光学精密机械与物理研究所应用光学国家重点实验室,吉林长春,130022
- 作者简介：
- 基金信息：
  
  Supported by National Natural Science Foundation of China(No.61205021)
- DOI：10.3788/YJYXS20163101.0062
  CLC： TN873
- Received：07 August 2015，
  
  Revised：10 October 2015，
  
  Published：05 January 2016
- 稿件说明：
移动端阅览
陈云昌, 宣丽, 姚丽双等. 取向层参数对响应时间的影响[J]. 液晶与显示, 2016,31(1): 62-66

CHEN Yun-chang, XUAN Li, YAO Li-shuang etc. Effect of aligning layer parameters on response time[J]. , 2016,31(1): 62-66
陈云昌, 宣丽, 姚丽双等. 取向层参数对响应时间的影响[J]. 液晶与显示, 2016,31(1): 62-66 DOI： 10.3788/YJYXS20163101.0062.

CHEN Yun-chang, XUAN Li, YAO Li-shuang etc. Effect of aligning layer parameters on response time[J]. , 2016,31(1): 62-66 DOI： 10.3788/YJYXS20163101.0062.

摘要

为了减小液晶波前校正器的响应时间

本文结合光控取向技术

研究了取向层预倾角及锚定强度特性对器件响应性能的影响。以液晶动力学方程为依据

分析预倾角效应对液晶器件响应时间的影响;利用预倾角及锚定强度与响应时间的定量关系

推导出锚定强度与预倾角的关系

从而简化了锚定强度的测量方法。采用光谱法监测了光控取向膜的取向度;以此为依据

利用4种不同曝光方式获得了不同的预倾角。理论模拟及实验结果一致表明:偶氮染料分子(SD1)获得一定的锚定强度后

通过降低其预倾角角度

其所制器件的响应性能实现了优化。

Abstract

In order to reduce the response time of liquid crystal wavefront corrector

the effect of pretilt angle and anchoring strength on the device response performance are studied in this paper

using photo-alignment technology. The liquid crystal molecular dynamic equation is solved to obtain the relation between pretilt angle and response time. According to the quantitative relationshios among the pretilt angle

the anchoring strength and the response time

a formula is derived to describe the relation between anchoring strength and pretilt angle. This study can be used to simplify the measuring method of anchoring strength. The order parameter of photo-alignment film were measured by spectrometry. Based on this study

several photoaligned LC cells with different pretilt angle are fabricated with four different exposure modes. Theoretical simulation and experimental results consistently showed that:after azo dye molecules (SD1) obtained a certain anchoring strength

the response performance of device will be optimized by reducing the pretilt angle.

关键词

Keywords

references

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