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Advances in Materials Science and Engineering
Volume 2016, Article ID 4081697, 8 pages
http://dx.doi.org/10.1155/2016/4081697
Review Article

Specifics and Challenges to Flexible Organic Light-Emitting Devices

Department of Microelectronics, Technical University of Sofia, “Kliment Ohridski” Boulevard 8, Block 1, Room 1000B, 1000 Sofia, Bulgaria

Received 31 January 2016; Accepted 16 February 2016

Academic Editor: Peter Majewski

Copyright © 2016 Mariya Aleksandrova. 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. M.-C. Choi, Y. Kim, and C.-S. Ha, “Polymers for flexible displays: from material selection to device applications,” Progress in Polymer Science, vol. 33, no. 6, pp. 581–630, 2008. View at Publisher · View at Google Scholar · View at Scopus
  2. W. Bock, Advances in Flexible Electronics Displays, Pira International, 2005.
  3. J. W. Park, D. C. Shin, and S. H. Park, “Large-area OLED lightings and their applications,” Semiconductor Science and Technology, vol. 26, no. 3, Article ID 034002, 2011. View at Publisher · View at Google Scholar
  4. K. J. Allen, “Reel to real: prospects for flexible displays,” Proceedings of the IEEE, vol. 93, no. 8, pp. 1394–1399, 2005. View at Publisher · View at Google Scholar · View at Scopus
  5. W. S. Wong and A. Salleo, Flexible Electronics: Materials and Applications, Springer Science & Business Media, Berlin, Germany, 2009.
  6. P. E. Burrows, G. L. Graff, M. E. Gross et al., “Ultra barrier flexible substrates for flat panel displays,” Displays, vol. 22, no. 2, pp. 65–69, 2001. View at Publisher · View at Google Scholar · View at Scopus
  7. S. Ummartyotin, J. Juntaro, M. Sain, and H. Manuspiya, “Development of transparent bacterial cellulose nanocomposite film as substrate for flexible organic light emitting diode (OLED) display,” Industrial Crops and Products, vol. 35, no. 1, pp. 92–97, 2012. View at Publisher · View at Google Scholar · View at Scopus
  8. S. Khan, L. Lorenzelli, and R. S. Dahiya, “Technologies for printing sensors and electronics over large flexible substrates: a review,” IEEE Sensors Journal, vol. 15, no. 6, pp. 3164–3185, 2015. View at Publisher · View at Google Scholar · View at Scopus
  9. J. G. Speight and N. A. Lange, Lange's Handbook of Chemistry, McGraw-Hill Professional, Maidenhead, UK, 16th edition, 2005.
  10. W. Martienssen and H. Warlimont, “Polymers,” in Springer Handbook of Condensed Matter and Materials Data, chapter 3.3, pp. 477–522, Springer, 2005. View at Google Scholar
  11. A. K. van der Vegt and L. E. Govaert, Polymeren, van Keten tot Kunstof, Delft Academic Press, 2003.
  12. January 2016, http://www.teijindupontfilms.jp/english/product/hi_film.html.
  13. K. R. Sarma, J. Roush, J. Schmidt, C. Chanley, and S. Dodd, “Flexible active matrix organic light emitting diode (AM OLED) displays,” in Proceedings of the 9th Asian Symposium on Information Display (ASID '06), pp. 337–342, New Delhi, India, October 2006.
  14. W. A. MacDonald, M. K. Looney, D. Mackerron et al., “Latest advances in substrates for flexible electronics,” Journal of the Society for Information Display, vol. 15, no. 12, pp. 1075–1083, 2007. View at Publisher · View at Google Scholar · View at Scopus
  15. Y. Leterrier, L. Médico, F. Demarco et al., “Mechanical integrity of transparent conductive oxide films for flexible polymer-based displays,” Thin Solid Films, vol. 460, no. 1-2, pp. 156–166, 2004. View at Publisher · View at Google Scholar · View at Scopus
  16. V. Zardetto, T. M. Brown, A. Reale, and A. Di Carlo, “Substrates for flexible electronics: a practical investigation on the electrical, film flexibility, optical, temperature, and solvent resistance properties,” Journal of Polymer Science, Part B: Polymer Physics, vol. 49, no. 9, pp. 638–648, 2011. View at Publisher · View at Google Scholar · View at Scopus
  17. M. Aleksandrova, G. Kolev, I. Cholakova, G. Dobrikov, and G. Bodurov, “Photolithography versus lift off process for patterning of sputtered indium tin oxide for flexible displays,” International Journal of Thin Films Science and Technology, vol. 2, no. 2, pp. 67–75, 2013. View at Publisher · View at Google Scholar
  18. S. R. Sabreen, Cold Gas Plasma Surface Modification—Optimize Plastics Bonding Adhesion, Technology Feature, 2010.
  19. M. Strobel, M. J. Walzak, J. M. Hill, A. Lin, E. Karbashewski, and C. S. Lyons, “Comparison of gas-phase methods of modifying polymer surfaces,” Journal of Adhesion Science and Technology, vol. 9, no. 3, pp. 365–383, 1995. View at Publisher · View at Google Scholar · View at Scopus
  20. N. S. McIntyre and M. J. Walzak, “New UV/ozone treatment improves adhesiveness of polymer surfaces,” Modern Plastics, pp. 79–84, 1995, http://infohouse.p2ric.org/ref/29/28881.pdf. View at Google Scholar
  21. Y. Leterrier, C. Fischer, L. Médico et al., “Mechanical properties of transparent functional thin films for flexible displays,” Society of Vacuum Coaters, vol. 505, pp. 856–7188, 2003. View at Google Scholar
  22. X.-S. Wang, H.-P. Tang, X.-D. Li, and X. Hua, “Investigations on the mechanical properties of conducting polymer coating-substrate structures and their influencing factors,” International Journal of Molecular Sciences, vol. 10, no. 12, pp. 5257–5284, 2009. View at Publisher · View at Google Scholar · View at Scopus
  23. A. Mézin, “Coating internal stress measurement through the curvature method: a geometry-based criterion delimiting the relevance of Stoney's formula,” Surface and Coatings Technology, vol. 200, no. 18-19, pp. 5259–5267, 2006. View at Publisher · View at Google Scholar · View at Scopus
  24. SEMI, “Standard test method for sheet resistance uniformity evaluation by in-line four-point probe with the dual-configuration procedure,” SEMI MF1529-1110, American Society for Testing and Materials, 1997, Reprinted from the Annual Book of ASTM Standards, Designation: F. View at Google Scholar
  25. J.-A. Jeong and H.-K. Kim, “Al2O3/Ag/Al2O3 multilayer thin film passivation prepared by plasma damage-free linear facing target sputtering for organic light emitting diodes,” Thin Solid Films, vol. 547, pp. 63–67, 2013. View at Publisher · View at Google Scholar · View at Scopus
  26. J. H. Kim, J. H. Lee, S.-W. Kim, Y.-Z. Yoo, and T.-Y. Seong, “Highly flexible ZnO/Ag/ZnO conducting electrode for organic photonic devices,” Ceramics International, vol. 41, no. 5, pp. 7146–7150, 2015. View at Publisher · View at Google Scholar · View at Scopus
  27. C.-H. Lee, R. Pandey, B.-Y. Wang, W.-K. Choi, D.-K. Choi, and Y.-J. Oh, “Nano-sized indium-free MTO/Ag/MTO transparent conducting electrode prepared by RF sputtering at room temperature for organic photovoltaic cells,” Solar Energy Materials and Solar Cells, vol. 132, pp. 80–85, 2015. View at Publisher · View at Google Scholar · View at Scopus
  28. T. Abachi, L. Cattin, G. Louarn et al., “Highly flexible, conductive and transparent MoO3/Ag/MoO3 multilayer electrode for organic photovoltaic cells,” Thin Solid Films, vol. 545, pp. 438–444, 2013. View at Publisher · View at Google Scholar · View at Scopus
  29. J. H. Kim, D.-H. Kim, and T.-Y. Seong, “Realization of highly transparent and low resistance TiO2/Ag/TiO2 conducting electrode for optoelectronic devices,” Ceramics International, vol. 41, no. 2, pp. 3064–3068, 2015. View at Publisher · View at Google Scholar · View at Scopus
  30. H. Cho, C. Yun, J.-W. Park, and S. Yoo, “Highly flexible organic light-emitting diodes based on ZnS/Ag/WO3 multilayer transparent electrodes,” Organic Electronics, vol. 10, no. 6, pp. 1163–1169, 2009. View at Publisher · View at Google Scholar · View at Scopus
  31. K. S. Kim, Y. Zhao, H. Jang et al., “Large-scale pattern growth of graphene films for stretchable transparent electrodes,” Nature, vol. 457, no. 7230, pp. 706–710, 2009. View at Publisher · View at Google Scholar · View at Scopus
  32. X. Li, Y. Zhu, W. Cai et al., “Transfer of large-area graphene films for high-performance transparent conductive electrodes,” Nano Letters, vol. 9, no. 12, pp. 4359–4363, 2009. View at Publisher · View at Google Scholar · View at Scopus
  33. G.-X. Ni, Y. Zheng, S. Bae et al., “Graphene-ferroelectric hybrid structure for flexible transparent electrodes,” ACS Nano, vol. 6, no. 5, pp. 3935–3942, 2012. View at Publisher · View at Google Scholar · View at Scopus
  34. B.-J. Kim, S.-H. Han, and J.-S. Park, “Properties of CNTs coated by PEDOT:PSS films via spin-coating and electrophoretic deposition methods for flexible transparent electrodes,” Surface and Coatings Technology, vol. 271, pp. 22–26, 2015. View at Publisher · View at Google Scholar · View at Scopus
  35. S. Yadav, V. Kumar, S. Arora, S. Singh, D. Bhatnagar, and I. Kaur, “Fabrication of ultrathin, free-standing, transparent and conductive graphene/multiwalled carbon nanotube film with superior optoelectronic properties,” Thin Solid Films, vol. 595, pp. 193–199, 2015. View at Publisher · View at Google Scholar
  36. J. Sun and R. Wang, “Carbon nanotube transparent electrode,” in Syntheses and Applications of Carbon Nanotubes and Their Composites, S. Suzuki, Ed., chapter 14, pp. 313–335, InTech, Rijeka, Croatia, 2013. View at Publisher · View at Google Scholar
  37. P. J. Glatkowski, “Transparent electrodes & circuits from carbon nanotubes,” in Proceedings of the USDC Flexible Displays Microelectron, Phoenix, Ariz, USA, 2005.
  38. M. Aleksandrova, N. Kurtev, V. Videkov, S. Tzanova, and S. Schintke, “Material alternative to ITO for transparent conductive electrode in flexible display and photovoltaic devices,” Microelectronic Engineering, vol. 145, article 9805, pp. 112–116, 2015. View at Publisher · View at Google Scholar · View at Scopus
  39. X. Guo, X. Liu, F. Lin, H. Li, Y. Fan, and N. Zhang, “Highly conductive transparent organic electrodes with multilayer structures for rigid and flexible optoelectronics,” Scientific Reports, vol. 5, Article ID 10569, 2015. View at Publisher · View at Google Scholar · View at Scopus
  40. Y. Aleeva and B. Pignataro, “Recent advances in upscalable wet methods and ink formulations for printed electronics,” Journal of Materials Chemistry C, vol. 2, no. 32, pp. 6436–6453, 2014. View at Publisher · View at Google Scholar · View at Scopus
  41. J. Jensen, H. F. Dam, J. R. Reynolds, A. L. Dyer, and F. C. Krebs, “Manufacture and demonstration of organic photovoltaic-powered electrochromic displays using roll coating methods and printable electrolytes,” Journal of Polymer Science, Part B: Polymer Physics, vol. 50, no. 8, pp. 536–545, 2012. View at Publisher · View at Google Scholar · View at Scopus
  42. Y. P. Chen and Q. Yu, “Nanomaterials: graphene rolls off the press,” Nature Nanotechnology, vol. 5, no. 8, pp. 559–560, 2010. View at Publisher · View at Google Scholar · View at Scopus
  43. D.-H. Lee, J. S. Choi, H. Chae, C.-H. Chung, and S. M. Cho, “Screen-printed white OLED based on polystyrene as a host polymer,” Current Applied Physics, vol. 9, no. 1, pp. 161–164, 2009. View at Publisher · View at Google Scholar · View at Scopus
  44. D.-H. Lee, J. S. Choi, H. Chae, C.-H. Chung, and S. M. Cho, “Highly efficient phosphorescent polymer OLEDs fabricated by screen printing,” Displays, vol. 29, no. 5, pp. 436–439, 2008. View at Publisher · View at Google Scholar · View at Scopus
  45. D.-H. Lee, J. Choi, H. Chae, C.-H. Chung, and S. M. Cho, “Single-layer organic-light-emitting devices fabricated by screen printing method,” Korean Journal of Chemical Engineering, vol. 25, no. 1, pp. 176–180, 2008. View at Publisher · View at Google Scholar · View at Scopus
  46. M. Aleksandrova and I. Nestorova, “Fabrication of flexible hybrid low molecular weight compound/polymer light emitting device by screen printing,” Electrotechnica and Electronica, vol. 3/4, pp. 2–6, 2014. View at Google Scholar
  47. M. Aleksandrova, S. Andreev, I. Ruskova, and G. Dobrikov, “Flexible thick film electroluminescent devices: influence of the mechanical stress on layers behavior,” Annual Journal of Electronics, vol. 8, pp. 43–46, 2014. View at Google Scholar
  48. T. Sekitani, Y. Noguchi, U. Zschieschang, H. Klauk, and T. Someya, “Organic transistors manufactured using inkjet technology with subfemtoliter accuracy,” Proceedings of the National Academy of Sciences of the United States of America, vol. 105, no. 13, pp. 4976–4980, 2008. View at Publisher · View at Google Scholar · View at Scopus
  49. F. Ely, C. O. Avellaneda, P. Paredez et al., “Patterning quality control of inkjet printed PEDOT:PSS films by wetting properties,” Synthetic Metals, vol. 161, no. 19-20, pp. 2129–2134, 2011. View at Publisher · View at Google Scholar · View at Scopus
  50. A. Keawprajak, W. Koetniyom, P. Piyakulawat, K. Jiramitmongkon, S. Pratontep, and U. Asawapirom, “Effects of tetramethylene sulfone solvent additives on conductivity of PEDOT:PSS film and performance of polymer photovoltaic cells,” Organic Electronics, vol. 14, no. 1, pp. 402–410, 2013. View at Publisher · View at Google Scholar · View at Scopus
  51. D. J. Gaspar and E. Polikarpov, OLED Fundamentals: Materials, Devices, and Processing of Organic Light-Emitting Diodes, CRC Press, 2015.
  52. D.-Y. Chung, J. Huang, D. D. C. Bradley, and A. J. Campbell, “High performance, flexible polymer light-emitting diodes (PLEDs) with gravure contact printed hole injection and light emitting layers,” Organic Electronics: Physics, Materials, Applications, vol. 11, no. 6, pp. 1088–1095, 2010. View at Publisher · View at Google Scholar · View at Scopus
  53. D. Deganello, J. A. Cherry, D. T. Gethin, and T. C. Claypole, “Patterning of micro-scale conductive networks using reel-to-reel flexographic printing,” Thin Solid Films, vol. 518, no. 21, pp. 6113–6116, 2010. View at Publisher · View at Google Scholar · View at Scopus
  54. E. Menard, M. A. Meitl, Y. Sun et al., “Micro- and nanopatterning techniques for organic electronic and optoelectronic systems,” Chemical Reviews, vol. 107, no. 4, pp. 1117–1160, 2007. View at Publisher · View at Google Scholar · View at Scopus