Table of Contents
Journal of Nanoscience
Volume 2014, Article ID 258937, 4 pages
http://dx.doi.org/10.1155/2014/258937
Research Article

Study of the Light Coupling Efficiency of OLEDs Using a Nanostructured Glass Substrate

1Laboratoire de Physique des Lasers, UMR CNRS 7538, Université Paris 13, Sorbonne Paris Cité, Villetaneuse, France
2Department of Optics and Photonics, National Central University, Taiwan

Received 30 November 2013; Revised 20 February 2014; Accepted 21 February 2014; Published 24 March 2014

Academic Editor: Vincent Jousseaume

Copyright © 2014 Min Won 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.

Linked References

  1. N. K. Patel, S. Cinà, and J. H. Burroughes, “High-efficiency organic light-emitting diodes,” IEEE Journal on Selected Topics in Quantum Electronics, vol. 8, no. 2, pp. 346–361, 2002. View at Publisher · View at Google Scholar · View at Scopus
  2. Y. G. Lee, S. K. Kang, T. S. Oh, H.-N. Lee, S. Lee, and K. H. Koh, “Comparison of two cohost systems for doped red organic light-emitting devices in an effort to improve the efficiency and the lifetime,” Organic Electronics, vol. 9, no. 3, pp. 339–346, 2008. View at Publisher · View at Google Scholar · View at Scopus
  3. Z. B. Wang, M. G. Helander, J. Qiu et al., “Unlocking the full potential of organic light-emitting diodes on flexible plastic,” Nature Photonics, vol. 5, no. 12, pp. 753–757, 2011. View at Publisher · View at Google Scholar · View at Scopus
  4. T. H. Han, Y. Lee, M. R. Choi et al., “Extremely efficient flexible organic light-emitting diodes with modified graphene anode,” Nature Photonics, vol. 6, no. 2, pp. 105–110, 2012. View at Publisher · View at Google Scholar · View at Scopus
  5. C. Adachi, M. A. Baldo, M. E. Thompson, and S. R. Forrest, “Nearly 100% internal phosphorescence efficiency in an organic light emitting device,” Journal of Applied Physics, vol. 90, no. 10, pp. 5048–5051, 2001. View at Publisher · View at Google Scholar · View at Scopus
  6. S. R. Forrest, “The road to high efficiency organic light emitting devices,” Organic Electronics, vol. 4, no. 2-3, pp. 45–48, 2003. View at Publisher · View at Google Scholar · View at Scopus
  7. Y. Sun and S. R. Forrest, “Enhanced light out-coupling of organic light-emitting devices using embedded low-index grids,” Nature Photonics, vol. 2, no. 8, pp. 483–487, 2008. View at Publisher · View at Google Scholar · View at Scopus
  8. K. Saxena, V. K. Jain, and D. S. Mehta, “A review on the light extraction techniques in organic electroluminescent devices,” Optical Materials, vol. 32, no. 1, pp. 221–233, 2009. View at Publisher · View at Google Scholar · View at Scopus
  9. T. Nakamura, N. Tsutsumi, N. Juni, and H. Fujii, “Improvement of coupling-out efficiency in organic electroluminescent devices by addition of a diffusive layer,” Journal of Applied Physics, vol. 96, no. 11, pp. 6016–6022, 2004. View at Publisher · View at Google Scholar · View at Scopus
  10. Y. H. Ho, K. Y. Chen, K. Y. Peng, M. C. Tsai, W. C. Tian, and P. K. Wei, “Enhanced light out-coupling of organic light-emitting diode using metallic nanomesh electrodes and microlens array,” Optics Express, vol. 21, no. 7, pp. 8535–8543, 2013. View at Google Scholar
  11. S. Y. Hsu, M. C. Lee, K. L. Lee, and P. K. Wei, “Extraction enhancement in organic light emitting devices by using metallic nanowire arrays,” Applied Physics Letters, vol. 92, no. 1, Article ID 013303, 2008. View at Publisher · View at Google Scholar · View at Scopus
  12. F. Galeotti, W. Mrz, G. Scavia, and C. Botta, “Microlens arrays for light extraction enhancement in organic light-emitting diodes: a facile approach,” Organic Electronics, vol. 14, no. 1, pp. 212–218, 2013. View at Google Scholar
  13. J. Wang, W. Li, and C. Wang, “Improving light outcoupling efficiency for OLEDs with microlens array fabricated on transparent substrate,” Journal of Nanomaterials, vol. 2014, Article ID 289752, 6 pages, 2014. View at Publisher · View at Google Scholar
  14. W. J. Hyun, S. H. Im, O. O. Park, and B. D. Chin, “Corrugated structure through a spin-coating process for enhanced light extraction from organic light-emitting diodes,” Organic Electronics, vol. 13, no. 4, pp. 579–585, 2012. View at Publisher · View at Google Scholar · View at Scopus
  15. W. H. Koo, S. M. Jeong, F. Araoka et al., “Light extraction from organic light-emitting diodes enhanced by spontaneously formed buckles,” Nature Photonics, vol. 4, no. 4, pp. 222–226, 2010. View at Publisher · View at Google Scholar · View at Scopus
  16. T. Bocksrocker, J. Hoffmann, C. Eschenbaum et al., “Micro-spherically textured organic light emitting diodes: a simple way towards highly increased light extraction,” Organic Electronics, vol. 14, no. 1, pp. 396–401, 2013. View at Google Scholar
  17. W. Cai and R. Piestun, “Patterning of silica microsphere monolayers with focused femtosecond laser pulses,” Applied Physics Letters, vol. 88, no. 11, Article ID 111112, 2006. View at Publisher · View at Google Scholar · View at Scopus
  18. M. G. Moharam, D. A. Pommet, E. B. Grann, and T. K. Gaylord, “Stable implementation of the rigorous coupled-wave analysis for surface-relief gratings: enhanced transmittance matrix approach,” Journal of the Optical Society of America A, vol. 12, no. 5, pp. 1077–1086, 1995. View at Google Scholar · View at Scopus
  19. M. G. M. M. Kraaij and J. M. L. Maubach, “A more efficient rigorous coupled-wave analysis algorithm,” in Progress in Industrial Mathematics at ECMI, 2004, A. Bucchianico, R. M. M. Mattheij, and M. A. Peletier, Eds., vol. 8, pp. 164–168, Springer, Berlin, Germany, 2004. View at Google Scholar
  20. V. Bulović, V. B. Khalfin, G. Gu, P. E. Burrows, D. Z. Garbuzov, and S. R. Forrest, “Weak microcavity effects in organic light-emitting devices,” Physical Review B—Condensed Matter and Materials Physics, vol. 58, no. 7, pp. 3730–3740, 1998. View at Google Scholar · View at Scopus
  21. C. Hnatovsky, R. S. Taylor, E. Simova et al., “Fabrication of microchannels in glass using focused femtosecond laser radiation and selective chemical etching,” Applied Physics A: Materials Science and Processing, vol. 84, no. 1-2, pp. 47–61, 2006. View at Publisher · View at Google Scholar · View at Scopus
  22. T. Rogers and N. Aitken, “Wafer bonding processes for the manufacture of microsystems,” in Proceedings of the ASME 2nd International Conference on Integration and Commerciauzation of Micro and Nanosystems (MicroNano '08), pp. 705–710, June 2008. View at Scopus