| 摘要 |
The electrophoretic display device includes an electrophoretic display portion which maintains a displayed image even during a shut-down of power, a thin film transistor substrate connected to the electrophoretic display portion to drive the electrophoretic display portion, a driving circuit connected to the electrophoretic display portion and the thin film transistor substrate to supply an image signal which drives the electrophoretic display portion, a switching portion which controls an operation of the driving circuit, a test portion which tests an input image signal and a controller which compares the input image signal tested in the test portion with a display image signal previously inputted and operates the driving circuit portion by operating the switching portion if the input image signal is different from the display image signal.
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