| 摘要 |
An electrophoretic device including a pair of electrodes, an electrophoretic dispersion liquid including an electrophoretic particle and a dispersion medium and having electric properties of electric resistance R<SUB>ep </SUB>and capacitance C<SUB>ep</SUB>, a microcapsule in which the electrophoretic dispersion liquid is enclosed and provided between the pair of the electrodes and a binder layer fixing the microcapsule between the electrodes and having electric properties of electric resistance R<SUB>b </SUB>and capacitance C<SUB>b</SUB>, and wherein a ratio of the electric properties of the electrophoretic dispersion liquid and the binder layer satisfies a relationship R<SUB>b</SUB>C<SUB>b</SUB><=R<SUB>ep</SUB>C<SUB>ep</SUB>.
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