Color Sequential Backlight Liquid Crystal Displays and Related Methods
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United States of America Patent
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Issued Date -
Sep 18, 2008
app pub date -
Mar 16, 2007
filing date -
Mar 16, 2007
priority date (Note) -
Abandoned
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Abstract
A color LCD arrangement with a lower substrate, an upper substrate, liquid crystal material between the lower substrate and upper substrate, and a backlight unit with light sources. The backlight unit is divided into a plurality of segments. Each segment has a light source arrangement to generate light with at least a first and a second color. The light sources are driven such that during different fields within a frame different color driving schemes for the segments are used. This provides for a spreading of the color light up both in time and in location, thus, seriously reducing the color break-up problem.
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