Display device based on electrowetting effect
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United States of America Patent
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Sep 21, 2010
Grant Date -
Sep 18, 2008
app pub date -
Apr 1, 2005
filing date -
Apr 5, 2004
priority date (Note) -
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Abstract
In a reflective a display device based on layer break up or layer displacement having at least two different states, in which one of the fluids (5) e. g oil in a first state adjoins at least a first support plate (3) and in the second state the other fluid (6) at least partly adjoins the first support plate, in which picture elements are separated by areas (13) having a hydrophilic surface dyes (or sometimes pigments) are added to the oil (usually hydrocarbon but also possibly silicone or fluorocarbon), to provide sufficient optical intensity.
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