Anisotropic reflectivity of rubbed polyimide liquid crystal alignment layer

摘要：

The surface optical anisotropy of rubbed polyimide films has been detected using reflection anisotropy spectroscopy. The amplitude of the reflection anisotropy signals increases with the rubbing strength. Rubbing also causes changes in pretilt angle of liquid crystal molecules which are in contact with the rubbed polyimide. An increase in rubbing strength results in an increase in the pretilt angel.The pretiit of the liquid crystal molecules was found to linearly correlate with the amplitude of the RA signals.

关键词： Reflection anisotropy spectroscopy Rubbed polyimide Liquid crystal alignment Pretilt angle

作者: Wenjun Zheng

作者单位: Department of Photonics, National Sun Yat-Sen University,Kaohsiung 80424, Taiwan RoC

会议类型: 国际会议

会议名称: 2009 International Symposium on Liquid Crystal Science and Technology(2009国际液晶科技研讨会)

会议地点: 昆明

会议语种:英文

页码: 309-316

在线出版日期: 2009-08-02（万方平台首次上网日期，不代表论文的发表时间）