Invention Grant
US07880955B2 Electrophoretic dispersion solution, image display medium using the same, and image display device using the same 有权
电泳分散溶液,使用其的图像显示介质和使用其的图像显示装置

Electrophoretic dispersion solution, image display medium using the same, and image display device using the same
Abstract:
An electrophoretic dispersion solution includes a nonpolar solvent and plural kinds of electrophoretic particles. At least one kind of the electrophoretic particles has, on surfaces, a copolymer including a first monomer that has a charged group and a second monomer expressed by a first formula represented as R denotes a hydrogen atom or a methyl group, R′ denotes a hydrogen atom or an alkyl group with a carbon number of 1 through 4, n is a natural number, and x denotes an integer of 1 through 3. At least another kind of the electrophoretic particles include, on surfaces, a polymer including a third monomer expressed by a second formula represented as a component of the polymer. R denotes a hydrogen atom or a methyl group and R″″ denotes an alkyl group with a carbon number of 4 or larger.
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