添加剂对高双折射液晶紫外稳定性影响

王永青; 贵丽红; 丰景义; 张冠超; 邸玉静; 王明霞

doi:10.3788/YJYXS20153003.0404

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添加剂对高双折射液晶紫外稳定性影响

材料物理和化学 | 更新时间：2020-08-12

- 添加剂对高双折射液晶紫外稳定性影响
- Effect of additive agents on ultraviolet stability of high birefringence liquid crystals
- 液晶与显示 2015年30卷第3期页码：404-409
- 作者机构：
  
  1. 石家庄诚志永华显示材料有限公司, 河北石家庄 050091
  2. 河北省平板显示材料工程技术研究中心, 河北石家庄 050091
- 作者简介：
- 基金信息：
- DOI：10.3788/YJYXS20153003.0404
  中图分类号： TP391
- 收稿日期：2014-03-18，
  
  修回日期：2014-04-29，
  
  纸质出版日期：2015-04-05
- 稿件说明：
移动端阅览
钱方, 孙涛, 郭劲, 王挺峰. 基于小波变换的多尺度SSIM算法[J]. 液晶与显示, 2015,30(2): 317-325

QIAN Fang, GUO Jin, SUN Tao, WANG Ting-feng. Multi-scale SSIM algorithm based on wavelet transforms[J]. , 2015,30(2): 317-325
钱方, 孙涛, 郭劲, 王挺峰. 基于小波变换的多尺度SSIM算法[J]. 液晶与显示, 2015,30(2): 317-325 DOI： 10.3788/YJYXS20153003.0404.

QIAN Fang, GUO Jin, SUN Tao, WANG Ting-feng. Multi-scale SSIM algorithm based on wavelet transforms[J]. , 2015,30(2): 317-325 DOI： 10.3788/YJYXS20153003.0404.

摘要

高双折射液晶在液晶显示中具有重要的应用价值

但是由于分子结构中含有不饱和共轭结构

在紫外下不稳定

本文对高双折射液晶紫外不稳定的问题进行了研究.首先在混晶母体A中分别加入几种不同结构的添加剂三苯氧膦、丙基双环己基甲醛、丙基苯(3

5-2F)溴苯、UV-P

搅拌使其溶解均匀

将液晶灌入TN-7.0-R测试盒

在紫外下曝光后测试混晶的各项参数.实验结果表明:UV-P明显提高了高双折射液晶的抗紫外性能

因为UV-P的紫外吸收光谱带与高双折射液晶母体A的紫外吸收光谱带最接近.

Abstract

The high birefringence liquid crystals have important applications in LCD

but they are instable under UV exposure due to the conjugated unsaturated structures. The ultraviolet stability of high birefringence liquid crystals was studied in this paper. First

several different additives were added to the liquid crystal mixture A

such as triphenylphosphine oxide

4'-propylbi(cyclohexane)-4-formaldehyde

4-propyl-4'-cyclopentyl-3

5-difluorobiphenyl and UV-P. The liquid crystal mixtures were poured into TN-7.0-R test cells after stirred uniformly

then the test cells were exposed to ultraviolet

finally the liquid crystal parameters were tested. The results show that the UV stability of liquid crystal A can be significantly improved by UV-P

because the UV absorption of UV-P is most similar with liquid crystal A.

关键词

Keywords

references

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