E Ink

E Ink

E Ink is a type of electronic paper manufactured by E Ink Corporation.

It is a proprietary material that is processed into a film for integration into electronic displays, particularly for E-book devices such as the Sony Reader, the iLiad, the Cybook Gen3, the Amazon Kindle, the Readius device from Polymer Vision [http://www.readius.com] and Plastic Logic's Reader. The Motorola F3 was the first cellphone to employ e-ink technology into its display, taking advantage of the material's ultra-low power consumption. The October 2008 issue of the North American edition of Esquire was the first magazine cover to integrate E Ink.

The principal components of electronic ink are millions of tiny microcapsules, about the diameter of a human hair. In one incarnation, each microcapsule contains positively charged white particles and negatively charged black particles suspended in a clear fluid. When a negative electric field is applied, the white particles move to the top of the microcapsule to become visible to the reader. This makes the surface appear white at that spot. At the same time, an opposite electric field pulls the black particles to the bottom of the microcapsules where they are hidden. By reversing this process, the black particles appear at the top of the capsule, which now makes the surface appear dark at that spot.

To form an E Ink electronic display, the ink is printed onto a sheet of plastic film that is laminated to a layer of circuitry. The circuitry forms a pattern of pixels that can then be controlled by a display driver. These microcapsules are suspended in a liquid "carrier medium" allowing them to be printed using existing screen printing processes onto virtually any surface, including glass, plastic, fabric and even paper.

ee also

*Dedicated e-book devices - devices using E Ink.
*Plastic Logic

References

*

External links

* [http://www.eink.com/ Official Site] of E-Ink Corporation


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