ANTI-REFLECTION SHEET, DISPLAY ELEMENT AND DISPLAY DEVICE
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United States of America Patent
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Issued Date -
Dec 30, 2010
app pub date -
Jul 15, 2008
filing date -
Oct 1, 2007
priority date (Note) -
Abandoned
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Abstract
An anti-reflection sheet is formed in a manner of forming a resin layer, which has many fine projections 12, on a flat and smooth surface of a transparent substrate 11. Transparent resin is molded into the projections 12, the projections 12 have an almost quadratic function-shaped cross section including a center axis C perpendicular to the surface of the substrate 11, and a surface of the projection 12 is preferably a rotational paraboloid. A ratio (aspect ratio) b/a of a height b and width a of the projection 12 is 1 or less. Additionally, an arranged pitch P of the projections 12 is not more than half of a wavelength of incident light.
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