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Conferences > SSL > 2016 > SSTh2B > SSTh2B.1

Improving the Efficiency of Flexible Organic Light-emitting Diodes via Alternating High- and Low-index Layers

Jaeho Lee, Tae-Hee Han, Min-Ho Park, Dae Yool Jung, Jeongmin Seo, Hong-Kyu Seo, Hyunsu Cho, Eunhye Kim, Jin Chung, Sung-Yool Choi, Taek-Soo Kim, Tae-woo Lee, and Seunghyup Yoo

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Abstract

We present strategies to increase the efficiency of organic light-emitting diodes (OLEDs) using planar high-index and low-index layers sandwiching an ultra-thin transparent electrode such as graphene or metallic film. With the proposed approach, cavity resonance is enhanced while loss to surface plasmon polaritons is reduced, pumping up the efficiency of OLEDs made thereof. We also show that the electrode under study holds great promise for flexible devices, enabling flexible yet highly efficient OLEDs.

© 2016 Optical Society of America

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