Display device
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United States of America Patent
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Feb 25, 1997
Issued Date -
N/A
app pub date -
Sep 14, 1994
filing date -
Jul 24, 1991
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A display device for displaying an image in accordance with image signal by applying a drive signal to a ferroelectric liquid crystal which holds an optical state even in a zero electric field state from drive means through scan electrodes and information electrodes in accordance with image information stored in image information memory means, comprises change detection means for detecting change in the image information stored in the image information memory means, and drive control means for controlling drive means in accordance with detection result by the change detection means to apply a signal to erase the display, stop the application of the drive signal or resume the application of the drive signal.
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Family
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Cited Art Landscape
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