Shutter mode microencapsulated electrophoretic display
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United States of America Patent
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-
Jan 9, 2001
Grant Date -
N/A
app pub date -
May 15, 2000
filing date -
Apr 27, 1998
priority date (Note) -
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status (Latency Note)
Importance
Abstract
An electrophoretic display element includes a capsule having a first, larger surface and a second, smaller surface. The capsule contains a suspending fluid and at least one particle dispersed within said suspending fluid. Application of a first electrical field causes the particle or particles to migrate towards the first, larger surface of the capsule, causing it to take on the visual appearance of the particles. Application of a second electrical field causes the particle or particles to migrate towards the second, smaller surface, allowing the capsule to take on the visual appearance of the dispersing fluid or of a substrate or electrode positioned behind the display element. Displays may be fabricated from multiple display elements arranged on a substrate.
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