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

Julian Carter; Anja Wehrum; Mark C. Dowling; Martin Cacheiro-Martinez; Nick de B. Baynes

doi:10.1117/12.458914

3 March 2003 Recent developments in materials and processes for ink jet printing high resolution polymer OLED displays

Julian Carter, Anja Wehrum, Mark C. Dowling, Martin Cacheiro-Martinez, Nick de B. Baynes

Proceedings Volume 4800, Organic Light-Emitting Materials and Devices VI; (2003) https://doi.org/10.1117/12.458914
Event: International Symposium on Optical Science and Technology, 2002, Seattle, WA, United States

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.

Citation Download Citation

Julian Carter, Anja Wehrum, Mark C. Dowling, Martin Cacheiro-Martinez, and Nick de 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, (3 March 2003); https://doi.org/10.1117/12.458914

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