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| Presentation | 2012-01-27 13:38 Influence of the back reflection on the out-coupling efficiency in Organic Light Emitting Devices with micro lens array. Yuji Sawatari, Takao Goto, Takumi Ohashi, Akiyoshi Mikami (K.I.T)  EID2011-16 Link to ES Tech. Rep. Archives: EID2011-16 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | We investigated the light extraction efficiency of Organic light emitting device (OLED), using micro-lens array by evaluating optical transmittance properties of micro-lens sheet and back-reflection characteristics of OLED from experimental and theoretical approaches. In result, light extraction coefficient of the micro-lens sheet was improved by a factor of 1.3 to 2.2 depending on the back reflectivity of the sheet. It was found that optical matching between micro-lens array and OLED plays an important role in light extraction from the device, rather than the configuration of micro-lens array. It was concluded that out-coupling efficiency of the OLED with micro-lens sheet can be improved in the between 1.2 to 1.8 times depending on the back reflectivity and optical mode distribution of the device. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | OLED / Micro Lens / Reflection / Optical Analysis / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 111, no. 421, EID2011-16, pp. 5-8, Jan. 2012. | |
| Paper # | EID2011-16 | |
| 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 | EID2011-16 Link to ES Tech. Rep. Archives: EID2011-16 |
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| 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) | Influence of the back reflection on the out-coupling efficiency in Organic Light Emitting Devices with micro lens array. |
| Sub Title (in English) | |
| Keyword(1) | OLED |
| Keyword(2) | Micro Lens |
| Keyword(3) | Reflection |
| Keyword(4) | Optical Analysis |
| Keyword(5) | |
| Keyword(6) | |
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| Keyword(8) | |
| 1st Author's Name | Yuji Sawatari |
| 1st Author's Affiliation | Kanazawa Institute of Technology (K.I.T) |
| 2nd Author's Name | Takao Goto |
| 2nd Author's Affiliation | Kanazawa Institute of Technology (K.I.T) |
| 3rd Author's Name | Takumi Ohashi |
| 3rd Author's Affiliation | Kanazawa Institute of Technology (K.I.T) |
| 4th Author's Name | Akiyoshi Mikami |
| 4th Author's Affiliation | Kanazawa Institute of Technology (K.I.T) |
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| Speaker | Author-1 |
| Date Time | 2012-01-27 13:38:00 |
| Presentation Time | 8 minutes |
| Registration for | EID |
| Paper # | EID2011-16 |
| Volume (vol) | vol.111 |
| Number (no) | no.421 |
| Page | pp.5-8 |
| #Pages | 4 |
| Date of Issue | 2012-01-20 (EID) |
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