Analysis of Cholesteric Liquid Crystal Color Filter

HE Zheng-hong; YE Zhi-cheng; SU Yi-kai

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Analysis of Cholesteric Liquid Crystal Color Filter

Device Technology & Physics | 更新时间：2020-08-12

- Analysis of Cholesteric Liquid Crystal Color Filter
- Chinese Journal of Liquid Crystals and Displays Vol. 25, Issue 4, Pages: 538-541(2010)
- 作者机构：
  
  1. 上海交通大学电子信息与电气工程学院,上海 200240,E-mail:hezhenho@sjtu.edu.cn
  2. 西南大学物理科学与技术学院重庆,400715
- 作者简介：
- 基金信息：
- DOI：
  CLC： O753+.2
- Received：25 January 2010，
  
  Revised：08 May 2010，
  
  Published Online：20 August 2010，
  
  Published：20 August 2010
- 稿件说明：
移动端阅览
何正红, 叶志成, 苏翼凯. 胆甾型液晶彩色滤光片分析[J]. 液晶与显示, 2010,25(4): 538-541

HE Zheng-hong, YE Zhi-cheng, SU Yi-kai. Analysis of Cholesteric Liquid Crystal Color Filter[J]. 液晶与显示, 2010,25(4): 538-541
何正红, 叶志成, 苏翼凯. 胆甾型液晶彩色滤光片分析[J]. 液晶与显示, 2010,25(4): 538-541 DOI：

HE Zheng-hong, YE Zhi-cheng, SU Yi-kai. Analysis of Cholesteric Liquid Crystal Color Filter[J]. 液晶与显示, 2010,25(4): 538-541 DOI：

摘要

计算了掺有周期性介质层的胆甾型液晶(CLC)膜的反射光色品值

分析了该膜用于滤光片的可行性。首先利用Jones矩阵法对其反射光谱进行了数值计算

然后分析和比较了掺入周期性介质前后液晶膜的CIE-1931色品图。从数值计算可知

在适当的液晶和介质厚度比例下

改变斜入射角度对掺有周期性介质层的反射式胆甾型液晶滤光片的反射光色品值改变不大

可以起到窄带滤光片的作用。

Abstract

The reflection chromaticity of cholesteric liquid crystals (CLCs) sandwiched periodic isotropic layers (PILs) was calculated

and the potential application of this structure as reflective color filters was discussed.First

the reflection spectra was calculated by Jones matrix method

and then the CIE-1931 chromaticity diagrams for CLC sandwiched with and without PILs were drawn. It is found that the reflection chromaticity can be insensitive to the incident angle with proper thickness ratio of CLC to PILs.This structure can be used as color filters.

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references

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