Liquid for electrophoretic display and electrophoretic display device and electronic device preparerd using the same
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United States of America Patent
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Dec 10, 2013
Grant Date -
Mar 8, 2012
app pub date -
Mar 2, 2010
filing date -
Mar 13, 2009
priority date (Note) -
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status (Latency Note)
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Abstract
A liquid for electrophoretic display which makes it possible to display a black color having a low reflectance or a color having a high color saturation and a white color having a high reflectance and display them at high contrast and which inhibits coagulation of white fine particles and is excellent in stability can be prepared by using a liquid for electrophoretic display containing at least white fine particles, resin particles colored by a dye and/or a pigment and a liquid phase dispersion medium, wherein fine particles in which a difference in a refractive index from the liquid phase dispersion medium is 0 to 0.05 are contained and have an average particle diameter of 50 to 500 nm.
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