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Ink-Jet Simplifies Organic LED Design

Photonics Spectra
Jun 2002
Researchers at the University of Arizona in Tucson have developed an ink-jet printing method for constructing organic LEDs that does not require a special mask or prepatterning of a substrate's surface.

A user designs a pattern on a computer, which then instructs a specialized ink-jet printer to deposit the organic "ink" directly onto an electrically conductive surface. Ghassan E. Jabbour, designer of the patent-pending process, said it could be used in a variety of applications, such as microfilters, solar cells and printing glowing designs on textiles.

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