Optical structures including polyurea
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United States of America Patent
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Oct 2, 2012
Grant Date -
Jul 28, 2011
app pub date -
Apr 8, 2011
filing date -
Aug 8, 2002
priority date (Note) -
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Abstract
Optical structures and sheeting that include polyurea and method for forming same are proposed in accordance with aspects of the present invention. One and two-component layers can be used to form the optical structures. The optical structures can include microstructures formed from polyurea. The sheeting can include at least one of cube-corner prisms, open-faced cube-corner prisms, linear prisms, lenticular lenses, moth-eye structures, lenses, Fresnel lens arrays, lenses, and fish-eye lens arrays.
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