Radial liquid crystal alignment based on circular rubbing of a substrate coated with poly(N-vinyl carbazole) film

Yuan Di Chen, Andy Ying Guey Fuh, Cheng Kai Liu, Ko Ting Cheng

研究成果: 雜誌貢獻期刊論文同行評審

22 引文 斯高帕斯(Scopus)

摘要

This paper presents a simple method to produce radial liquid crystal (LC) alignment layers using circular rubbing of poly(N-vinyl carbazole) (PVK) films. The produced layer can be used for fabricating axially symmetric homogeneous-radial, homeotropic-radial and radial-radial LC alignment devices by combining a rubbed PVK-coated substrate with another one with a desired LC alignment layer. The transmittance-voltage curves of the fabricated LC devices at various positions are measured to examine the uniformity of the alignment effect. Additionally, the PVK film does not absorb visible light, and can be operated at high temperatures.

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文章編號215304
期刊Journal of Physics D: Applied Physics
44
發行號21
DOIs
出版狀態已出版 - 1 6月 2011

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