Polychrome electrophoretic ink, associated display device and manufacturing process
AssigneesArkema France, Centre National De La Recherche Scinetifique, Universite De Bordeaux 1, Insititut Polytechnique De Bordeaux
InventorsCyril Brochon, Georges Hadziioannou, Antoine Charbonnier
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Abstract
A polychrome electrophoretic ink including at least four types of particles dispersed in a nonpolar organic medium, each particle type containing a pigment of a color which is associated therewith, having a positive or negative electrostatic charge, characterized in that at least one of the abovementioned particle types has a magnetic property (magnetic core) such that each particle type can migrate in a predetermined manner under the combined action of an electrostatic force and of a magnetic return force.
Claims13
A polychrome electrophoretic ink comprising at least four types of particles dispersed in a nonpolar organic medium, each particle type containing a pigment of a color which is associated therewith, having a positive or negative electrostatic charge, wherein at least one of the abovementioned particle types has a magnetic property (magnetic core) such that each particle type can migrate in a predetermined manner under the combined action of an electrostatic force and of a magnetic return force.
Dependencies are inferred from the claim text.