Printing approaches for large-area color organic LED displays

James C. Sturm; Florian Pschenitzka; T. R. Hebner; Min-Hao Lu; S. Troian

doi:10.1117/12.372719

17 December 1999 Printing approaches for large-area color organic LED displays

James C. Sturm, Florian Pschenitzka, T. R. Hebner, Min-Hao Lu, S. Troian

Proceedings Volume 3797, Organic Light-Emitting Materials and Devices III; (1999) https://doi.org/10.1117/12.372719
Event: SPIE's International Symposium on Optical Science, Engineering, and Instrumentation, 1999, Denver, CO, United States

Abstract

In this paper the fundamental properties underlying the transfer of organic fluorescent dyes to local areas in polymer thin films by both liquid phase (ink-jet printing) and evaporation/diffusion transport methods are examined, with the goal of achieving full color displays based on organic light emitting diodes made from such polymers. Ink-jet printing offers a simple non-contact method for forming patterns, but a critical issue is the redistribution of dyes and other molecules in the liquid droplet before it dries. Masked large area evaporations allows one to rapidly pattern large areas, but its rate depends on the ability of dyes to diffuse through polymer films.

Citation Download Citation

James C. Sturm, Florian Pschenitzka, T. R. Hebner, Min-Hao Lu, and S. Troian "Printing approaches for large-area color organic LED displays", Proc. SPIE 3797, Organic Light-Emitting Materials and Devices III, (17 December 1999); https://doi.org/10.1117/12.372719

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