Optical diffusing layer, optical diffusing sheet, and optical element
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United States of America Patent
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Mar 1, 2005
Grant Date -
Oct 3, 2002
app pub date -
Dec 20, 2001
filing date -
Dec 25, 2000
priority date (Note) -
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Abstract
An optical diffusing layer comprising a resin coated layer having a surface fine concavo-convex structure, wherein an average of peak-to-peak distance (Sm), an average of center line surface roughness (Ra), and an average of ten-point surface roughness (Rz) on the surface with fine concavo-convex structure satisfy specified equations, is capable of maintaining antiglare property and screen glare simultaneously controlled, when applied to an LCD in which high definition is required.
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