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September 2003
Performing pixels: Moving images on electronic paper
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Within a year the first products to use electronic paper, combining the ease of manipulation of electronics with the convenience of paper, should be on the market. Displays are being developed for handheld devices, wearable displays and more. One of the first approaches reported exploited the electrophoretic motion of particles inside small capsules, but its utility is limited by the speed of motion of the particles. Now, a faster new generation of electronic paper is under development. A system described this week has the potential to display images moving at video rates on a thin substrate, using voltage-dependent movement of a coloured oil film. The system has high reflectivity, contrast and brightness. The cover shows pixels of the new "ink"; to see how it copes with motion, see the movies in Supplementary Information for this paper.
Video-speed electronic paper based on electrowetting
ROBERT A. HAYES & B. J. FEENSTRA
Nature 425, 383–385 (2003); doi:10.1038/nature01988
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