Horizontal driver circuit with fixed pattern eliminating function
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United States of America Patent
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-
Oct 6, 1998
Issued Date -
N/A
app pub date -
Aug 30, 1994
filing date -
Jan 31, 1992
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A horizontal driver circuit comprising a shift register for generating horizontal sampling pulses sequentially; and a fixed pattern eliminating circuit, associated with the shift register, for providing a non-overlap time of the horizontal sampling pulses between an Nth stage and an Mth stage posterior thereto. The Mth stage horizontal sampling pulse has a rise whose phase is the same as that of a fall of the Nth stage horizontal sampling pulse. The fixed pattern eliminating circuit comprises means for controlling the rise of the horizontal sampling pulse of the Mth stage by the fall of the horizontal sampling pulse of the Nth stage. The horizontal driver circuit is applicable to a two-dimensional addressing device and a liquid crystal display device to eliminate a fault of vertical streaks on a displayed image.
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