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Variable liquid crystal pretilt angles generated by photoalignment of a mixed polyimide alignment layer

Authors Ho, Jacob Y. L.
Chigrinov, Vladimir G
Kwok, Hoi Sing
Issue Date 2007
Source Applied physics letters, v. 90, (24), 2007, JUN 11, Article number243506
Summary A method to generate any liquid crystal pretilt angle is proposed and demonstrated. This method is based on deep ultraviolet photoalignment of a layer consisting of nanostructured domains of horizontal and vertical alignment polyimides. Competition between the two types of domains produces the controlled pretilt angle. The obtained anchoring energy is reasonably large. (c) 2007 American Institute of Physics.
ISSN 0003-6951
Rights Applied Physics Letters © copyright (2007) American Institute of Physics. The Journal's web site is located at
Language English
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