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Paper Abstract and Keywords
Presentation 2014-01-24 15:09
Driving for Electrochromic Display Initialization
Yuki Murakami (Kyushu Univ.), Kazuaki Tsuji, Yoshinori Okada, Tohru Yashiro (Ricoh), Reiji Hattori (Kyushu Univ.) EID2013-17
Abstract (in Japanese) (See Japanese page) 
(in English) We aimed at lifetime improvement and driving stabilization for electrochromic display (ECD). We examined the driving method to reset the ECD to uniform decoloration state. As a result, the ECD was reset by extracting the same amount of injected electric charge, and it was able to improve lifetime. Next, we carried out a gray scale driving of the ECD. By comparing the pulse width modulation (PWM) and pulse amplitude modulation (PAM), we found that the best driving method in coloration process is PWM by constant current drive. In addition, we found that the best driving method in decoloration process is initialization driving.
Keyword (in Japanese) (See Japanese page) 
(in English) Electrochromic / Color e-Paper / Constant voltage drive / Constant current drive / Gray scale drive / / /  
Reference Info. IEICE Tech. Rep., vol. 113, no. 408, EID2013-17, pp. 45-48, Jan. 2014.
Paper # EID2013-17 
Date of Issue 2014-01-17 (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 EID2013-17

Conference Information
Committee EID ITE-IDY IEIJ-SSL IEE-EDD SID-JC  
Conference Date 2014-01-24 - 2014-01-25 
Place (in Japanese) (See Japanese page) 
Place (in English) Niigata University 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To EID 
Conference Code 2014-01-EID-IDY-SSL-EDD-JC 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Driving for Electrochromic Display Initialization 
Sub Title (in English)  
Keyword(1) Electrochromic  
Keyword(2) Color e-Paper  
Keyword(3) Constant voltage drive  
Keyword(4) Constant current drive  
Keyword(5) Gray scale drive  
Keyword(6)  
Keyword(7)  
Keyword(8)  
1st Author's Name Yuki Murakami  
1st Author's Affiliation Kyushu University (Kyushu Univ.)
2nd Author's Name Kazuaki Tsuji  
2nd Author's Affiliation Ricoh Company, Ltd. (Ricoh)
3rd Author's Name Yoshinori Okada  
3rd Author's Affiliation Ricoh Company, Ltd. (Ricoh)
4th Author's Name Tohru Yashiro  
4th Author's Affiliation Ricoh Company, Ltd. (Ricoh)
5th Author's Name Reiji Hattori  
5th Author's Affiliation Kyushu University (Kyushu Univ.)
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Speaker Author-1 
Date Time 2014-01-24 15:09:00 
Presentation Time 8 minutes 
Registration for EID 
Paper # EID2013-17 
Volume (vol) vol.113 
Number (no) no.408 
Page pp.45-48 
#Pages 4 
Date of Issue 2014-01-17 (EID) 

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