X-Y addressable electrophoretic display device with control electrode
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United States of America Patent
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May 13, 1980
Grant Date -
N/A
app pub date -
Nov 23, 1977
filing date -
Nov 23, 1977
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An electrophoretic display device in which an colloidal suspension of pigment particles is contained between a pair of electrodes, and means are provided in the structure of the electrodes of the cell for the establishment of a voltage threshold for the transport of pigment particles. This threshold permits the changing of the spatial distribution of pigment particles in specifically defined regions of the display cell.
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