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Proceedings Article

Recent developments in materials and processes for ink jet printing high resolution polymer OLED displays

[+] Author Affiliations
Julian Carter, Anja Wehrum, Mark C. Dowling, Martin Cacheiro-Martinez, Nick d. B. Baynes

Cambridge Display Technology, Ltd. (United Kingdom)

Proc. SPIE 4800, Organic Light-Emitting Materials and Devices VI, 34 (March 3, 2003); doi:10.1117/12.458914
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From Conference Volume 4800

  • Organic Light-Emitting Materials and Devices VI
  • Zakya H. Kafafi; Homer Antoniadis
  • Seattle, WA | July 07, 2002

abstract

The fabrication of high resolution light emitting polymer (LEP) OLED displays using ink jet printing to deposit the hole conducting and conjugated polymer electroluminescent components has required the development of both printing and ink technology. We review the issues associated with meeting the technology requirement and split these into the areas of ink delivery, getting the correct volume out of ink jet nozzles with well defined velocity and direction; surface energy considerations to maximize aperture ratio and display resolution; solution drying to form flat films and solution formulation to create polymer films that perform as well as films created by conventional spin coating. In addition we will describe the current status of the technology both in terms of polymer performance for both passive and active matrix applications, printing technology and polymer ink performance.

© (2003) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Citation

Julian Carter ; Anja Wehrum ; Mark C. Dowling ; Martin Cacheiro-Martinez and Nick d. B. Baynes
"Recent developments in materials and processes for ink jet printing high resolution polymer OLED displays", Proc. SPIE 4800, Organic Light-Emitting Materials and Devices VI, 34 (March 3, 2003); doi:10.1117/12.458914; http://dx.doi.org/10.1117/12.458914


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