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| Presentation | 2011-01-29 09:40 Control of easy axes on rubbed polyvinyl-cinnamate alignment film by materials of nematic liquid crystal Rumiko Yamaguchi, Masaki Ikeya (Akita Univ.)  EID2010-33 Link to ES Tech. Rep. Archives: EID2010-33 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Polyvinyl-cinnamate (PVCi) is well known as a photo crosslinkable polymer to align liquid crystal (LC) molecules by a linearly polarized UV (LPUV) light exposure. In addition, it has been recognized that the easy axis is perpendicular to the rubbing direction, since sidechains of PVCi are oriented perpendicular to the main chains. However, we found that MBBA (N-p-methoxybenzylidene p-n-butylaniline) aligns parallel to the rubbing direction. In this study, the in-plane easy axis of LCs with different chemical structures has been investigated on the rubbed PVCi surface. We reported that LCs with and without polar groups aligned perpendicular and parallel to a rubbing direction on a rubbed PVCi surface, respectively. Easy axis control of the PVCi was realized by mixing LCs and an alignment patterning was successfully demonstrated on crosslinked and uncrosslinked surfaces by exposing with and without unpolarized UV light. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | liquid crystal / alignment / easy axis / rubbing / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 110, no. 404, EID2010-33, pp. 79-82, Jan. 2011. | |
| Paper # | EID2010-33 | |
| Date of Issue | 2011-01-21 (EID) | |
| ISSN | Print edition: ISSN 0913-5685 Online edition: ISSN 2432-6380 | |
| Copyright and reproduction |
All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034) | |
| Download PDF | EID2010-33 Link to ES Tech. Rep. Archives: EID2010-33 |
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| Conference Information | |
| Committee | EID ITE-IDY IEE-EDD IEIJ-SSL |
| Conference Date | 2011-01-28 - 2011-01-29 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Kochi University of Technology |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Display technology, etc |
| Paper Information | |
| Registration To | EID |
| Conference Code | 2011-01-EID-IDY-EDD-OMD |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Control of easy axes on rubbed polyvinyl-cinnamate alignment film by materials of nematic liquid crystal |
| Sub Title (in English) | |
| Keyword(1) | liquid crystal |
| Keyword(2) | alignment |
| Keyword(3) | easy axis |
| Keyword(4) | rubbing |
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| 1st Author's Name | Rumiko Yamaguchi |
| 1st Author's Affiliation | Akita University (Akita Univ.) |
| 2nd Author's Name | Masaki Ikeya |
| 2nd Author's Affiliation | Akita University (Akita Univ.) |
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| Speaker | Author-1 |
| Date Time | 2011-01-29 09:40:00 |
| Presentation Time | 10 minutes |
| Registration for | EID |
| Paper # | EID2010-33 |
| Volume (vol) | vol.110 |
| Number (no) | no.404 |
| Page | pp.79-82 |
| #Pages | 4 |
| Date of Issue | 2011-01-21 (EID) |
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