Ink compositions, methods of preparing ink compositions and display panels including ink compositions
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United States of America Patent
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Jul 22, 2014
Grant Date -
Jul 4, 2013
app pub date -
Sep 20, 2012
filing date -
Dec 29, 2011
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Abstract
Core-shell coated pigment particles are prepared by core-shell coating using pigment particles, at least one hydrophilic organometallic compound, at least one hydrophobic organometallic compound, distilled water and a solvent. Ink particles coated with an ionized organometallic compound are prepared by using the core-shell coated pigment particles, the solvent and a halogen compound. The ink particles, a dispersing agent and a dielectric liquid are mixed to prepare an ink composition. The ink composition has an electrophoresis property to exhibit an electric movement and has a good dispersibility in a dielectric liquid. The ink composition may be applied in a reflective type color display device.
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