Liquid crystal display device with roughened surfaces to reduce moiré fringe effects
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United States of America Patent
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Apr 18, 2006
Grant Date -
Jul 31, 2003
app pub date -
Dec 14, 1999
filing date -
Dec 14, 1998
priority date (Note) -
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status (Latency Note)
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Abstract
A liquid crystal display device includes a liquid crystal display panel obtained by adhering upper and lower polarizing plates to upper and lower surfaces, respectively, of an electrode substrate. The upper polarizing plate has a first roughened surface on its outer surface. The first roughened surface is formed for the purpose of antiglare. The lower polarizing plate has a second roughened surface on its outer surface. The second roughened surface is formed to have a surface roughness equivalent to or less than that of the first roughened surface. As a result, a moiré fringe is decreased.
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