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| Presentation | 2019-01-25 11:05 [Poster Presentation] Measurement of dependence of UV irradiation energy on azimuthal and polar anchoring energy for photo alignment film Kenya Saito, Munehiro Kimura (Nagaoka Univ. of Tech.)  EID2018-19 Link to ES Tech. Rep. Archives: EID2018-19 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | The surface anchoring energy is an index representing the strength of the alignment restoring force. Hence it is an important parameter for the liquid crystal displays (LCDs), we are studying on establishing the measurement techniques. In this study, the dependence of surface azimuthal / polar anchoring energy on UV irradiation dosage which gives proper surface alignment of liquid crystal (LC) molecules was investigated. As a result of a polyimide for planar alignment, stable alignment state was confirmed with UV irradiation of 0.3 to 2J/$cm^2$. The azimuthal anchoring energy was about $10^-4$J/$m^2$ at a certain UV irradiation energy. The polar anchoring energy was not accurately measured due to the reverse tilt. |
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| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | liquid crystal / photo alignment film / anchoring energy / ellipsometry / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 118, no. 422, EID2018-19, pp. 121-124, Jan. 2019. | |
| Paper # | EID2018-19 | |
| Date of Issue | 2019-01-17 (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 | EID2018-19 Link to ES Tech. Rep. Archives: EID2018-19 |
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| Conference Information | |
| Committee | EID ITE-IDY IEIJ-SSL SID-JC IEE-EDD |
| Conference Date | 2019-01-24 - 2019-01-25 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Kagoshima University |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | EID |
| Conference Code | 2019-01-EID-IDY-SSL-JC-EDD |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Measurement of dependence of UV irradiation energy on azimuthal and polar anchoring energy for photo alignment film |
| Sub Title (in English) | |
| Keyword(1) | liquid crystal |
| Keyword(2) | photo alignment film |
| Keyword(3) | anchoring energy |
| Keyword(4) | ellipsometry |
| Keyword(5) | |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Kenya Saito |
| 1st Author's Affiliation | Nagaoka University of Technology (Nagaoka Univ. of Tech.) |
| 2nd Author's Name | Munehiro Kimura |
| 2nd Author's Affiliation | Nagaoka University of Technology (Nagaoka Univ. of Tech.) |
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| Speaker | Author-1 |
| Date Time | 2019-01-25 11:05:00 |
| Presentation Time | 5 minutes |
| Registration for | EID |
| Paper # | EID2018-19 |
| Volume (vol) | vol.118 |
| Number (no) | no.422 |
| Page | pp.121-124 |
| #Pages | 4 |
| Date of Issue | 2019-01-17 (EID) |
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