Electro-Optic Property Research of Blue Phase Liquid Crystals

NI Shui-bin; ZHU Ji-liang; ZHONG En-wei; LU Jian-gang

doi:10.3788/YJYXS20122706.0719

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Electro-Optic Property Research of Blue Phase Liquid Crystals

Material Physics & Chemistry | 更新时间：2020-08-12

- Electro-Optic Property Research of Blue Phase Liquid Crystals
- Chinese Journal of Liquid Crystals and Displays Vol. 27, Issue 6, Pages: 719-723(2012)
- 作者机构：
  
  上海交通大学电子工程系上海,中国,200240
- 作者简介：
- 基金信息：
- DOI：10.3788/YJYXS20122706.0719
  CLC： TN104.3
- Received：16 May 2012，
  
  Revised：02 August 2012，
  
  Published：15 December 2012
- 稿件说明：
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倪水彬, 朱吉亮, 钟恩伟, 陆建钢. 蓝相液晶光电特性研究[J]. 液晶与显示, 2012,(6): 719-723

NI Shui-bin, ZHU Ji-liang, ZHONG En-wei, LU Jian-gang. Electro-Optic Property Research of Blue Phase Liquid Crystals[J]. , 2012,(6): 719-723
倪水彬, 朱吉亮, 钟恩伟, 陆建钢. 蓝相液晶光电特性研究[J]. 液晶与显示, 2012,(6): 719-723 DOI： 10.3788/YJYXS20122706.0719.

NI Shui-bin, ZHU Ji-liang, ZHONG En-wei, LU Jian-gang. Electro-Optic Property Research of Blue Phase Liquid Crystals[J]. , 2012,(6): 719-723 DOI： 10.3788/YJYXS20122706.0719.

摘要

蓝相液晶由于其特有的扭曲双螺旋结构

具有快速响应特性与宏观上的光学各向同性。通过聚合物稳定的方法

可以提升其热稳定性

但是也导致了驱动性能下降

磁滞效应增强等问题。文章通过研究手性掺杂和聚合物网络对蓝相液晶材料体系的作用以及不同温度下的磁滞效应

探索蓝相液晶器件光电特性的影响因子

为改善蓝相液晶材料的光电特性提供理论上的支持。

Abstract

Blue phase liquid crystals (BPLCs) show fast response time and macroscopic optical isotropy due to their double twist cylinder structure. With polymer stabilization

the thermal stability of BPLCs can be improved dramatically. However

it induces some problems to the electro-optic properties of BPLCs material such as high driving voltage

hysteresis and so on. In this paper

different concentrations of chiral dopant

polymer network of the BPLC

and temperature effect are investigated to improve the electro-optic properties of BPLCs and analyze the mechanism that affect the electro-optic properties of the BPLCs device.

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references

Meiboom S, James P S, Anderson P W, et al. Theory of the blue phase of cholesteric liquid crystals [J]. Phys. Revi. Lett., 1981, 46 (25):1216-1219.[2] Johnson D L, Flack J H, Crooker P P. Structure and properties of the cholesteric blue phases [J]. Phys. Revi. Lett., 1980, 45 (8):641-644.[3] Yuan C, Jin Y, Jie S, et al. A microsecond-response polymer-stabilized blue phase liquid crystal [J]. Appl. Phys. Lett., 2011, 99 (20):201105(1-3).[4] Kikuchi H, Yokota M, Hisakado Y, et al. Polymer-stabilized liquid crystal blue phases [J]. Natu. Mate., 2002, (1): 64-68.[5] 孔令军, 任立军. 液晶显示器寿命评估 [J]. 液晶与显示, 2011, 26 (2):154-157.[6] Jin Y, Cheng H C, Gauza S, et al. Extended Kerr effect of polymer-stabilized blue-phase liquid crystals [J]. Appl. Phys. Lett., 2010, 96 (7):071105(1-3).[7] Gerber P R. Electro-optical effects of a small-pitch blue-phase system [J]. Mole. Crys. and Liqu. Crys., 1985, 116 (3-4):197-206.[8] Sluckin T J, Dunmur D A, Stegemeyer H. Crystals That Flow: Classic Papers from the History of Liquid Crystals [M]. London:Taylor & Francis, 2004:380-387.[9] Rao L H, Yan J, Wu S T, et al. A large Kerr constant polymer-stabilized blue phase liquid crystal [J]. Appl. Phys. Lett., 2011, 98 (8):081109(1-3).[10] Zhang F, Yang D K. Temperature-dependence of pitch and twist elastic constant in cholesteric to smectic A phase transition [J]. Liq. Crys., 2002, 29 (12):1497-1501.[11] Yang D K, Wu S T. Fundamentals of Liquid Crystal Devices [M]. New York:John Wiley, 2006: 33-36.

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