Method of addressing liquid crystal displays
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United States of America Patent
Stats
-
Jan 20, 1987
Grant Date -
N/A
app pub date -
Sep 6, 1984
filing date -
Sep 10, 1983
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A matrix array type liquid crystal device whose liquid crystal layer is ferro-electric is addressed using strobing pulses applied serially to the members of a set of electrodes on one side of the layer while balanced bipolar data pulses are applied in parallel to the members of a set of electrodes on the other side. The data pulses are twice the length of the strobing pulses. This provides a way of minimizing the exposure of the pixels to `wrong` voltages between consecutive addressing that would tend to drive them to their opposite states.
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