Moving Particle Display Device
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United States of America Patent
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Issued Date -
Aug 25, 2011
app pub date -
Jul 31, 2009
filing date -
Aug 7, 2008
priority date (Note) -
Abandoned
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Abstract
A moving particle display device comprises an array of display cells, each cell comprising an enclosed volume containing display particles. The display cells are the disposed between the first and second electrode arrangements, and the particles are provided for movement between a first region adjacent the first electrode arrangement and a second region adjacent the second electrode arrangement. Each cell is associated with a group of electrodes (60,62,63) used to control the particle movement within the cell, wherein for most of the cells, the group of electrodes is arranged to provide asymmetry in the electric field lines (140) in the enclosed volume, thereby to influence the particle flow conditions within the display cell.
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