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Journal Article Towards Highly Efficient and Highly Transparent OLEDs: Advanced Considerations for Emission Zone Coupled with Capping Layer Design
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Authors
Jin Chung, Hyunsu Cho, Tae-Wook Koh, Jonghee Lee, Eunhye Kim, Jaeho Lee, Jeong-Ik Lee, Seunghyup Yoo
Issue Date
2015-10
Citation
Optics Express, v.23, no.21, pp.27306-27314
ISSN
1094-4087
Publisher
Optical Society of America(OSA)
Language
English
Type
Journal Article
DOI
https://dx.doi.org/10.1364/OE.23.027306
Project Code
15PB1300, Development of Basic and applied technologies for OLED devices/panels with tranparent electrodes and/or thin film encapsulations using graphene films with their substrate sizes larger then Gen. 5.5, Lee Jeong Ik
Abstract
Strategies to achieve efficient transparent organic light-emitting diodes (TrOLEDs) are presented. The emission zone position is carefully adjusted by monitoring the optical phase change upon reflection from the top electrode, which is significant when the thickness of the capping layer changes. With the proposed design strategy, external quantum efficiency and transmittance values as high as 15% and 80% are demonstrated simultaneously. The effect of surface plasmon polariton (SPP) loss from thin metal electrodes is also taken into account to correctly describe the full scaling behavior of the efficiency of TrOLEDs over key optical design parameters.
KSP Keywords
Capping layer, Coupled with, External Quantum Efficiency, Layer design, Optical phase, Organic light-emitting diodes(OLEDS), Phase change, Scaling behavior, Surface plasmon(SP), design parameters, design strategy
This work is distributed under the term of Creative Commons License (CCL)
(CC BY)
CC BY