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Proceedings Paper

Recent developments in materials and processes for ink-jet printing high-resolution polymer OLED displays
Author(s): Julian Carter; Anja Wehrum; Mark C. Dowling; Martin Cacheiro-Martinez; Nick de B. Baynes
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Paper 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.

Paper Details

Date Published: 3 March 2003
PDF: 13 pages
Proc. SPIE 4800, Organic Light-Emitting Materials and Devices VI, (3 March 2003); doi: 10.1117/12.458914
Show Author Affiliations
Julian Carter, Cambridge Display Technology, Ltd. (United Kingdom)
Anja Wehrum, Cambridge Display Technology, Ltd. (United Kingdom)
Mark C. Dowling, Cambridge Display Technology, Ltd. (United Kingdom)
Martin Cacheiro-Martinez, Cambridge Display Technology, Ltd. (United Kingdom)
Nick de B. Baynes, Cambridge Display Technology, Ltd. (United Kingdom)


Published in SPIE Proceedings Vol. 4800:
Organic Light-Emitting Materials and Devices VI
Zakya H. Kafafi; Homer Antoniadis, Editor(s)

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