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Paper Abstract and Keywords
Presentation 2014-10-15 13:15
Pulse-Width Modulation with Current Uniformization for AM-OLED -- Reduction Effect Confirmation of Pixel-to-Pixel Brightness Deviation and Brightness Degradation --
Mutsumi Kimura, Tomoya Nishiyori, Daisuke Suzuki, Masamichi Koike, Shigeki Sawamura, Masakazu Kato (Ryukoku Univ.) EID2014-8
Abstract (in Japanese) (See Japanese page) 
(in English) Recently, AM-OLEDs have been researched and developed as ultimate FPDs with advantages such as high image quality, high resolution, fast response, and super thin form, and loaded on high ends of smart phones. From now on, application areas will be expected to be spread to super high resolution and super large size displays. However, currently, AM-OLEDs have a degradation problem that a brightness degradation occurs depending on the light-emitting history. This is a fatal problem on display characteristics that a sticking image occurs when a fixed pattern is displayed for a long time. Particularly, this is a serious problem for polymer OLEDs that is promising because they can be fabricated using printing process. Therefore, we are proposing "pulse-width modulation with current uniformization". In this presentation, we utilize an equivalent circuits that has the same arrangement of practical pixels and confirm the electrical operation.
Keyword (in Japanese) (See Japanese page) 
(in English) AM-OLED / Brightness variation between pixel to pixel / Pulse-width modulation with current uniformization / Brightness degradation along time going / / / /  
Reference Info. IEICE Tech. Rep., vol. 114, no. 248, EID2014-8, pp. 1-4, Oct. 2014.
Paper # EID2014-8 
Date of Issue 2014-10-08 (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 EID2014-8

Conference Information
Committee EID ITE-IDY ITE-HI ITE-3DMT IEE-OQD SID-JC  
Conference Date 2014-10-15 - 2014-10-15 
Place (in Japanese) (See Japanese page) 
Place (in English) Kikai-Shinko-Kaikan Bldg 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Imaging Technology 
Paper Information
Registration To EID 
Conference Code 2014-10-EID-IDY-HI-3DIT-OQD-JC 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Pulse-Width Modulation with Current Uniformization for AM-OLED 
Sub Title (in English) Reduction Effect Confirmation of Pixel-to-Pixel Brightness Deviation and Brightness Degradation 
Keyword(1) AM-OLED  
Keyword(2) Brightness variation between pixel to pixel  
Keyword(3) Pulse-width modulation with current uniformization  
Keyword(4) Brightness degradation along time going  
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1st Author's Name Mutsumi Kimura  
1st Author's Affiliation Ryukoku University (Ryukoku Univ.)
2nd Author's Name Tomoya Nishiyori  
2nd Author's Affiliation Ryukoku University (Ryukoku Univ.)
3rd Author's Name Daisuke Suzuki  
3rd Author's Affiliation Ryukoku University (Ryukoku Univ.)
4th Author's Name Masamichi Koike  
4th Author's Affiliation Ryukoku University (Ryukoku Univ.)
5th Author's Name Shigeki Sawamura  
5th Author's Affiliation Ryukoku University (Ryukoku Univ.)
6th Author's Name Masakazu Kato  
6th Author's Affiliation Ryukoku University (Ryukoku Univ.)
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Speaker Author-1 
Date Time 2014-10-15 13:15:00 
Presentation Time 30 minutes 
Registration for EID 
Paper # EID2014-8 
Volume (vol) vol.114 
Number (no) no.248 
Page pp.1-4 
#Pages 4 
Date of Issue 2014-10-08 (EID) 

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