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International Journal of Photoenergy
Volume 2014, Article ID 851371, 6 pages
http://dx.doi.org/10.1155/2014/851371
Research Article

Enabling Lambertian-Like Warm White Organic Light-Emitting Diodes with a Yellow Phosphor Embedded Flexible Film

1Green Energy and Environment Research Laboratories, Industrial Technology Research Institute (ITRI), 195, Section 4, Chung Hsing Road, Chutung 31040, Taiwan
2Department of Photonics and Institute of Electro-Optical Engineering, National Chiao Tung University, Hsinchu 30010, Taiwan
3Institute of Photonic System, National Chiao Tung University, Tainan 711, Taiwan
4Department of Materials Science and Engineering, National Tsing Hua University, Hsinchu 30013, Taiwan

Received 14 March 2014; Revised 26 May 2014; Accepted 17 June 2014; Published 16 July 2014

Academic Editor: Liang-Sheng Liao

Copyright © 2014 Cheng-Chang Chen 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. J. Kido, M. Kimura, and K. Nagai, “Multilayer white light-emitting organic electroluminescent device,” Science, vol. 267, no. 5202, pp. 1332–1334, 1995. View at Publisher · View at Google Scholar · View at Scopus
  2. B. W. D'Andrade and S. R. Forrest, “White organic light-emitting devices for solid-state lighting,” Advanced Materials, vol. 16, no. 18, pp. 1585–1595, 2004. View at Publisher · View at Google Scholar
  3. C. W. Ko and Y. T. Tao, “Bright white organic light-emitting diode,” Applied Physics Letters, vol. 79, p. 4234, 2001. View at Publisher · View at Google Scholar
  4. J. Kido, K. Hongawa, K. Okuyama, and K. Nagai, “White light-emitting organic electroluminescent devices using the poly(N-vinylcarbazole) emitter layer doped with three fluorescent dyes,” Applied Physics Letters, vol. 64, no. 7, pp. 815–817, 1994. View at Publisher · View at Google Scholar · View at Scopus
  5. J. Kido, H. Shionoya, and K. Nagai, “Single-layer white light-emitting organic electroluminescent devices based on dye-dispersed poly(N-vinylcarbazole),” Applied Physics Letters, vol. 67, no. 16, p. 2281, 1995. View at Publisher · View at Google Scholar · View at Scopus
  6. S. Tokito, T. Iijima, T. Tsuzuki, and F. Sato, “High-efficiency white phosphorescent organic light-emitting devices with greenish-blue and red-emitting layers,” Applied Physics Letters, vol. 83, no. 12, pp. 2459–2461, 2003. View at Publisher · View at Google Scholar · View at Scopus
  7. L. Wang, G. Lei, and Y. Qiu, “Bright white organic light-emitting diodes based on two blue emitters with similar molecular structures,” Journal of Applied Physics, vol. 97, no. 11, Article ID 114503, 2005. View at Publisher · View at Google Scholar
  8. Y. Sun, N. C. Giebink, H. Kanno, B. Ma, M. E. Thompson, and S. R. Forrest, “Management of singlet and triplet excitons for efficient white organic light-emitting devices,” Nature, vol. 440, no. 7086, pp. 908–912, 2006. View at Publisher · View at Google Scholar · View at Scopus
  9. J. Huang, W. J. Hou, J. H. Li, G. Li, and Y. Yang, “Improving the power efficiency of white light-emitting diode by doping electron transport material,” Applied Physics Letters, vol. 89, no. 13, Article ID 133509, 2006. View at Google Scholar
  10. J. H. Seo, J. H. Park, Y. K. Kim et al., “Highly efficient white organic light-emitting diodes using two emitting materials for three primary colors (red, green, and blue),” Applied Physics Letters, vol. 90, no. 20, Article ID 203507, 2007. View at Publisher · View at Google Scholar
  11. J. H. Jou, M. H. Wu, C. P. Wang et al., “Efficient fluorescent white organic light-emitting diodes using co-host/emitter dual-role possessed di(triphenyl-amine)-1,4-divinyl-naphthalene,” Organic Electronics, vol. 8, no. 6, pp. 735–742, 2007. View at Publisher · View at Google Scholar
  12. J. H. Jou, Y. S. Chiu, C. P. Wang, R. Y. Wang, and H. C. Hu, “Efficient, color-stable fluorescent white organic light-emitting diodes with single emission layer by vapor deposition from solvent premixed deposition source,” Applied Physics Letters, vol. 8, Article ID 193501, 2006. View at Publisher · View at Google Scholar
  13. Y. C. Tsai and J. H. Jou, “Long-lifetime, high-efficiency white organic light-emitting diodes with mixed host composing double emission layers,” Applied Physics Letters, vol. 89, Article ID 243521, 2006. View at Publisher · View at Google Scholar
  14. B. W. D'Andrade, J. Brooks, V. Adamovich, M. E. Thompson, and S. R. Forrest, “White light emission using triplet excimers in electrophosphorescent organic light-emitting devices,” Advanced Materials, vol. 14, no. 15, pp. 1032–1036, 2002. View at Publisher · View at Google Scholar
  15. E. L. Williams, K. Haavisto, J. Li, and G. E. Jabbour, “Excimer-based white phosphorescent organic light emitting diodes with nearly 100 % internal quantum efficiency,” Advanced Materials, vol. 19, no. 2, pp. 197–202, 2007. View at Publisher · View at Google Scholar · View at Scopus
  16. J. Kalinowski, M. Cocchi, D. Virgili, V. Fattori, and J. A. G. Williams, “Mixing of excimer and exciplex emission: a new way to improve white light emitting organic electrophosphorescent diodes,” Advanced Materials, vol. 19, no. 22, pp. 4000–4005, 2007. View at Publisher · View at Google Scholar · View at Scopus
  17. Z. Shen, P. E. Burrows, V. Bulović, S. R. Forrest, and M. E. Thompson, “Three-color, tunable, organic light-emitting devices,” Science, vol. 276, no. 5321, pp. 2009–2011, 1997. View at Publisher · View at Google Scholar · View at Scopus
  18. L. S. Liao, K. P. Klubek, and C. W. Tang, “High-efficiency tandem organic light-emitting diodes,” Applied Physics Letters, vol. 84, no. 2, pp. 167–169, 2004. View at Publisher · View at Google Scholar · View at Scopus
  19. H. Kanno, R. J. Holmes, Y. Sun, S. Kena-Cohen, and S. R. Forrest, “White stacked electrophosphorescent organic light-emitting devices employing MoO3 as a charge-generation layer,” Advanced Materials, vol. 18, no. 3, pp. 339–342, 2006. View at Publisher · View at Google Scholar · View at Scopus
  20. M. H. Ho, T. M. Chen, P. C. Yeh, S. W. Hwang, and C. H. Chen, “Highly efficient p-i-n white organic light emitting devices with tandem structure,” Applied Physics Letters, vol. 91, no. 23, Article ID 233507, 2007. View at Publisher · View at Google Scholar
  21. T. W. Lee, T. Hoh, B. K. Choi, M. S. Kim, D. W. Shin, and J. Kido, “High-efficiency stacked white organic light-emitting diodes,” Applied Physics Letters, vol. 92, no. 4, Article ID 043301, 2008. View at Publisher · View at Google Scholar
  22. L. Liao, W. K. Slusarek, T. K. Hatwar, M. L. Ricks, and D. L. Comfort, “Tandem organic light-emitting diode using hexaazatriphenylene hexacarbonitrile in the intermediate connector,” Advanced Materials, vol. 20, no. 2, pp. 324–329, 2008. View at Publisher · View at Google Scholar · View at Scopus
  23. K. Chen, H. Chen, K. Tsai et al., “Resonanta-enhanced fulla-color emission of quantuma dot-based display technology using a pulsed spray method,” Advanced Functional Materials, vol. 22, no. 24, pp. 5138–5143, 2012. View at Publisher · View at Google Scholar · View at Scopus
  24. M. S. Weaver, Y. J. Tung, B. D'Andrade et al., “11.1: invited paper: advances in blue phosphorescent organic lightemitting devices,” SID Symposium Digest of Technical Papers, vol. 37, no. 1, pp. 127–130, 2006. View at Google Scholar