| 摘要 |
PROBLEM TO BE SOLVED: To provide an electrophoresis display device which can perform sharp display and can selectively erase only a desired part of once displayed contents. SOLUTION: The electrophoresis display device is provided with a lower electrode 6, a dielectric film 7, an electrophoresis layer 5 which is provided between the lower electrode 6 and the dielectric film 7 and encloses an electrically conductive black toner 9 electrified with a negative charge, and white particles 8, an electric pen 4 for scraping the surface of the dielectric film 7, and a voltage supply circuit 3 which supplies one of positive voltage and negative voltage to the electric pen 4, and supplies the other voltage to the lower electrode 6.
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