Multi-film compensated liquid crystal display with initial homogeneous alignment
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United States of America Patent
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Jul 7, 2009
Grant Date -
Jul 3, 2008
app pub date -
Oct 31, 2007
filing date -
Nov 2, 2004
priority date (Note) -
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Abstract
A liquid crystal display having a positive A-film and a negative A-film between a top polarizer and a bottom polarizer to increase the viewing angle of the liquid crystal display by reducing or eliminating light leakage at voltage-off state when viewed from an oblique angle. Method of increasing the viewing angle of the liquid crystal display by reducing or eliminating light leakage at voltage-off stage when viewed from an oblique angle. The compensation is applicable to use with liquid crystal displays having a liquid crystal layer that is homogenously aligned at off-state when no voltage is applied to the liquid crystal layer, such as IPS and FFS mode liquid crystal displays.
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