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Paper Abstract and Keywords
Presentation 2023-03-16 13:00
[Invited Talk] Efficient organic photonic devices by making use of triplet excited states
Kenichi Goushi (Kyusyu Univ.) OME2022-81
Abstract (in Japanese) (See Japanese page) 
(in English) Organic optoelectronics have attracted significant attention as alternative and complementary technologies of inorganic semiconductors. Organic light-emitting diodes (OLEDs), which are one of the typical devices, have been widely used in practical applications such as high-resolution flexible displays and solid-state lighting with low-power consumption. Also, organic solid-state lasers (OSLs), which are recently developed, would provide new applications because of the flexibility of color tuning based on the freedom of molecular design and potentially low-cost manufacturability. To utilize efficient electroluminescence (EL) and stimulated emission in these devices, the engineering of molecular excited states is crucially important. The molecular excited states are classified into (spin-) singlet and triplet excited states. In electrical excitations or CW photoexcitation, the triplet excited states are massively formed, and generally non-emissive excited states. Therefore, triplet managements are key factor for improving the performances of organic photonic devices. In this presentation, our recent progress in the improving OLED and OSLD performances by triplet managements are provided.
Keyword (in Japanese) (See Japanese page) 
(in English) Organic optoelectronics / OLED / Organic solid-state laser / Triplet-triplet annihilation upconversion / TADF / / /  
Reference Info. IEICE Tech. Rep., vol. 122, no. 445, OME2022-81, pp. 1-6, March 2023.
Paper # OME2022-81 
Date of Issue 2023-03-09 (OME) 
ISSN 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)
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Conference Information
Committee OME  
Conference Date 2023-03-16 - 2023-03-16 
Place (in Japanese) (See Japanese page) 
Place (in English) Online 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To OME 
Conference Code 2023-03-OME 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Efficient organic photonic devices by making use of triplet excited states 
Sub Title (in English)  
Keyword(1) Organic optoelectronics  
Keyword(2) OLED  
Keyword(3) Organic solid-state laser  
Keyword(4) Triplet-triplet annihilation upconversion  
Keyword(5) TADF  
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1st Author's Name Kenichi Goushi  
1st Author's Affiliation Kyusyu University (Kyusyu Univ.)
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Speaker Author-1 
Date Time 2023-03-16 13:00:00 
Presentation Time 30 minutes 
Registration for OME 
Paper # OME2022-81 
Volume (vol) vol.122 
Number (no) no.445 
Page pp.1-6 
#Pages 6 
Date of Issue 2023-03-09 (OME) 

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