Proceedings of Japanese Liquid Crystal Society Annual meeting
Online ISSN : 2432-5988
Print ISSN : 1880-3490
ISSN-L : 1880-3490
2001 Japanese Liquid Crystal Conference
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Vertical Alignment Control of Discotic Liquid Crystals
*Masayuki NegoroHiroshi TakeuchiHideyuki NishikawaKoushin MatsuokaShigeki YokoyamaKen KawataMasaki Okazaki
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CONFERENCE PROCEEDINGS FREE ACCESS

Pages 467-468

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Abstract
It was found that vertical alignment of discotic liquid crystals (DLC) was strongly depending on steric effect (exclusive volume effect) of side chain substituents of alignment layer at DLC/substrate interfaces. We also developed a novel alignment promoter that has remarkable ability to align DLC vertically at DLC/air interfaces. It is not miscible with DLC and it proved selectively to deposit in the vicinity of DLC/air interfaces. By controlling molecular orientation at the both interfaces in this way, the monodomain vertical alignment of DLC has been accomplished without any optical alignment defects through a simple coating method. The alignment of the molecules was able to fix by photopolymerization, therefore a novel optically anisotropic film was produced.
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© 2001 Japanese Liquid Crystal Society
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