| 摘要 |
In an electrooptical display apparatus for displaying a desired image on an optical modulation medium filled in a gap between scan electrodes and information electrodes by applying electrical signals to the electrodes, when the optical modulation medium has memory characteristics for preserving an image even in a drive waveform non-application state after the image is formed by a proper drive operation, non-display area scan electrodes and non-display area information electrodes for driving non-display areas (32, 33, 34) are arranged on the non-display areas outside a display unit (31) of an electrooptical element (3) constituted by the optical modulation medium and the scan and information electrodes so as to extend parallel to the scan and information electrodes, respectively, and a non-display area driver (22) for forming desired uniform non-display areas by applying a pulse drive signal to the non-display area scan electrodes at a predetermined interval asynchronously with scanning of the display unit is arranged.
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