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Paper Abstract and Keywords
Presentation 2022-07-19 10:10
Fabrication of blue and white light emitting polymer based inverted organic light emitting diodes based on multilayer deposition of solution processable polymers
Masato Katou, Taisuke Sekino, Eiji Itoh (Shinshu Univ.) OME2022-20
Abstract (in Japanese) (See Japanese page) 
(in English) In this study, we investigated the loe-cost, efficient fabrication techniques of all-printed inverted organic light emitting diodes (iPLEDs) using solution processed polymeric materials. We compared the spincoated and pushcoated method and obtained the multilayered structure by transfer printing. We fabricated multilayered iPLEDs consisting of ITO/ Al-doped ZnO (AZO)/ polyethyleneimine ethoxylate (PEIE)/ 1,3,5-tri(m-pyrid-3-yl-phenyl)benzene (TmPyPB)/ light emitting layer(poly (dioctylfluorene) (F8) or F8:Super Yellow(SY) blend) / poly[(9,9-dioctylfluorenyl-2,7-diyl)-alt-(4,4'-(N-(4-butylphenyl)) (TFB) / 1,4,5,8,9,11-hexaazatriphenylenehexacarbonitrile(HAT-CN)/Al structures. In push-coated F8, Film structure in the β-phase with high fluorescence quantum yield was confirmed from the absorption spectra, and the device performance was better than that of the spin-coated film. The maximum external quantum efficiency (EQE) and the threthold voltage (Vth) were 2.6 % and 6.8 V for blue- and 2.2 % and 6.8 V for white-iPLEDs.
Keyword (in Japanese) (See Japanese page) 
(in English) inverted organic light emitting diode / polymer / transfer printing / push-coating / / / /  
Reference Info. IEICE Tech. Rep., vol. 122, no. 116, OME2022-20, pp. 31-36, July 2022.
Paper # OME2022-20 
Date of Issue 2022-07-11 (OME) 
ISSN Online edition: ISSN 2432-6380
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)
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Conference Information
Committee OME IEE-DEI  
Conference Date 2022-07-18 - 2022-07-19 
Place (in Japanese) (See Japanese page) 
Place (in English) Karuizawa-machi Tourism promotion center 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Organic film, Organic-Bio devices, etc. 
Paper Information
Registration To OME 
Conference Code 2022-07-OME-DEI 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Fabrication of blue and white light emitting polymer based inverted organic light emitting diodes based on multilayer deposition of solution processable polymers 
Sub Title (in English)  
Keyword(1) inverted organic light emitting diode  
Keyword(2) polymer  
Keyword(3) transfer printing  
Keyword(4) push-coating  
1st Author's Name Masato Katou  
1st Author's Affiliation Shinshu University (Shinshu Univ.)
2nd Author's Name Taisuke Sekino  
2nd Author's Affiliation Shinshu University (Shinshu Univ.)
3rd Author's Name Eiji Itoh  
3rd Author's Affiliation Shinshu University (Shinshu Univ.)
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Speaker Author-1 
Date Time 2022-07-19 10:10:00 
Presentation Time 25 minutes 
Registration for OME 
Paper # OME2022-20 
Volume (vol) vol.122 
Number (no) no.116 
Page pp.31-36 
Date of Issue 2022-07-11 (OME) 

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