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International Journal of Photoenergy
Volume 2012, Article ID 581421, 8 pages
http://dx.doi.org/10.1155/2012/581421
Research Article

Improvement of Power Efficiency in Phosphorescent White Organic Light-Emitting Diodes Using p-Doped Hole Transport Layer

Department of Electrical Engineering and Computer Science, Inter-University Semiconductor Research Center, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul 151-744, Republic of Korea

Received 14 July 2011; Revised 12 October 2011; Accepted 13 October 2011

Academic Editor: Raghu N. Bhattacharya

Copyright © 2012 Hyunkoo Lee et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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