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Volume: 50 | Article ID: art00005
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Estimation of Rotation Behavior of Balls for a Twisting Ball Display by Mobility Measurements
  DOI :  10.2352/J.ImagingSci.Technol.(2006)50:2(168)  Published OnlineMarch 2006
Abstract

Electronic Paper has been studied as a new medium that appears to offer the advantages of both active displays and paper. A twisting ball display system is a promising candidate technology for Electronic Paper. Dielectric balls with colored hemispheres (black and white) are used as the display elements; each color has a different surface charge. Each ball can be rotated by applying the appropriate electric field. However, obtaining the ideal balls (those that show good rotation characteristics) is a remaining problem. This study proposes a way of clarifying the best ball configuration. Ball mobility is measured in a dielectric liquid under uniform electric fields. Experimental results show a strong relation between the mobility difference between the materials covering the ball and its angular rotation speed.

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Ryushi Ishikawa, Shuichi Maeda, Makoto Omodani, "Estimation of Rotation Behavior of Balls for a Twisting Ball Display by Mobility Measurementsin Journal of Imaging Science and Technology,  2006,  pp 168 - 172,  https://doi.org/10.2352/J.ImagingSci.Technol.(2006)50:2(168)

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Copyright © Society for Imaging Science and Technology 2006
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