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Paper Abstract and Keywords
Presentation 2012-01-27 13:46
Optical interference in inorganic TFEL devices prepared on glass substrates with fine step structure
Takahiko Mizutani, Shouta Kunioka (Tottori Univ.), Yoshinobu Miyamoto (TEDREC), Koutoku Ohmi (Tottori Univ./TEDREC), Hiroshi Miura (RICOH) EID2011-17
Abstract (in Japanese) (See Japanese page) 
(in English) In conventional doubly-insulated inorganic thin film electroluminescent (EL) devices, the outcoupling
efficiency is very low as less than 10 % owing to the optical confinement effect. In this study, the improvement of the
efficiency has been attempted by employing the periodic-convex-structured (PCS) substrates. It has been found that the EL
device prepared on the PCS substrate shows a spectrum having multi sharp peaks. These peaks are caused by the diffraction
owing to the fine structures formed on each convex. The diffraction effect is expected to improve the outcoupling efficiency.
Keyword (in Japanese) (See Japanese page) 
(in English) Inorganic EL / ZnS:Mn / Outcoupling efficiency / / / / /  
Reference Info. IEICE Tech. Rep., vol. 111, no. 421, EID2011-17, pp. 9-12, Jan. 2012.
Paper # EID2011-17 
Date of Issue 2012-01-20 (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 EID2011-17

Conference Information
Committee EID ITE-IDY IEE-EDD  
Conference Date 2012-01-27 - 2012-01-28 
Place (in Japanese) (See Japanese page) 
Place (in English) Akita University 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Display technology, etc 
Paper Information
Registration To EID 
Conference Code 2012-01-EID-IDY-EDD 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Optical interference in inorganic TFEL devices prepared on glass substrates with fine step structure 
Sub Title (in English)  
Keyword(1) Inorganic EL  
Keyword(2) ZnS:Mn  
Keyword(3) Outcoupling efficiency  
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1st Author's Name Takahiko Mizutani  
1st Author's Affiliation Tottori University (Tottori Univ.)
2nd Author's Name Shouta Kunioka  
2nd Author's Affiliation Tottori University (Tottori Univ.)
3rd Author's Name Yoshinobu Miyamoto  
3rd Author's Affiliation TEDREC (TEDREC)
4th Author's Name Koutoku Ohmi  
4th Author's Affiliation Tottori University/TEDREC (Tottori Univ./TEDREC)
5th Author's Name Hiroshi Miura  
5th Author's Affiliation RICOH COMPANY, LTD. (RICOH)
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Speaker Author-1 
Date Time 2012-01-27 13:46:00 
Presentation Time 8 minutes 
Registration for EID 
Paper # EID2011-17 
Volume (vol) vol.111 
Number (no) no.421 
Page pp.9-12 
#Pages 4 
Date of Issue 2012-01-20 (EID) 

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