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 Oil and water drive display

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Date posted: 26/01/2005

Researchers from Extreme Photonix and the University of Cincinnati have combined water and oil in a technology that promises bright, energy-efficient displays.

The electrowetting device contains water and oil that compete for placement on a surface. The surface is hydrophobic, or water repellent, which leaves the oil covering the surface. This is the pixels' "on" state. Applying a voltage to the surface attracts the water, which displaces the oil to turn the pixel off. The pixel can switch on or off in ten thousandths of a second, which is fast enough for video.

The researchers method could be used in signs within two years. The method could be used in practical computer displays in five to ten years.

See the full Story via external site: www.trnmag.com

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