Variable liquid crystal pretilt angles generated by photoalignment of a mixed polyimide alignment layer
Ho, Jacob Y.L.
Chigrinov, Vladimir G.
Kwok, Hoi Sing
|Source||Applied Physics Letters , v. 90, (24), June 2007, article number 243506|
|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.|
|Rights||Applied Physics Letters © copyright (2007) American Institute of Physics. The Journal's web site is located at http://link.aip.org/link/?APPLAB/90/243506/1|
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