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Inkjet Printing of Light-Emitting Polymer Displays

Published online by Cambridge University Press:  31 January 2011

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Abstract

Based on the concept of a microliquid process, we have developed an organic electroluminescent display using conductive polymers, including light-emitting polymers. The technology of inkjet printing has progressed enough to be used for the microliquid process. First, we describe the process used to form a patterned thin film. This involves inkjet-related technologies, the self-patterning behavior of a microliquid on the substrate, and the drying process that defines the thickness profile and film properties. Some microliquid behaviors and related phenomena, along with properties of the resulting film, were identified as distinct from those coming from a macroscopic liquid, as a result of size effects. By fully utilizing these unique properties of microliquids, we have succeeded in fabricating color-pixel arrays by direct patterning of polymer solutions. As a result, an organic electroluminescent display with a vivid full-color image has been developed.

Type
Research Article
Copyright
Copyright © Materials Research Society 2003

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References

1.Shimoda, T., Kimura, M., Seki, S., Kobayashi, H., Kanbe, S., Miyashita, S., Friend, R.H., Burroughes, J.H., Towns, C.R., and Millard, I.S., in IEDM Tech. Dig. (Institute of Electrical and Electronics Engineers, Piscataway, NJ, 1999) p. 107.Google Scholar
2.Kitahara, T., in Proc. IS&T 11th Int. Congress on Advances in Non-Impact Printing Technology (Society for Imaging Science and Technology, Springfield, VA, 1995) p. 346.Google Scholar
3.Fukuda, M., Sawada, K., and Yoshino, K., J. Polym. Sci. A1 31 (1993) p. 2016.Google Scholar
4.Millard, I.S., Synth. Met. 111 (2000) p. 119.CrossRefGoogle Scholar
5.Shimoda, T., Kanbe, S., Kobayashi, H., Seki, S., Kiguchi, H., Yudasak, I., Kimura, M., Miyashita, S., Friend, R.H., Burroughes, J.H., and Towns, C.R., in IEDM Tech. Dig. (Institute of Electrical and Electronics Engineers, Piscataway, NJ, 1999) p. 376.Google Scholar
6.Morii, K. and Shimoda, T., J. Surf. Sci. Soc. Jpn. 24 (2003) (in Japanese) p. 90.CrossRefGoogle Scholar
7.Shimoda, T., OPTRONICS 20 (3) (2001) (in Japanese) p. 133.Google Scholar
8.For information on CIE chromaticity standards, see the home page of the Commission Internationale de l'Eclairage (International Commission on Illumination), http://www.cie.co.at/cie/home.html (accessed October 2003).Google Scholar
9.Heeks, K. and Hough, S., Information Display 4–5 (2003) p. 14.Google Scholar
10.Morii, K., Seki, S., Miyashita, S., Towns, C.R., Burroughes, J.H., Friend, R.H., and Shimoda, T., in Proc. 10th Int. Workshop on Inorganic and Organic Electroluminescence (2000) p. 357.Google Scholar