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Paper Abstract and Keywords
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
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.
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
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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

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  
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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
Date Time 2019-01-25 11:05:00 
Presentation Time
Registration for EID 
Paper # IEICE-EID2018-19 
Volume (vol) IEICE-118 
Number (no) no.422 
Page pp.121-124 
#Pages IEICE-4 
Date of Issue IEICE-EID-2019-01-17 


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