Printing method for making a lenticular lens material
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United States of America Patent
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Issued Date -
Dec 21, 2006
app pub date -
Jun 9, 2006
filing date -
Jun 9, 2005
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The invention generally provides a method for making a lenticular lens material using energy-curable inks and energy-curable coatings, for example, UV-curable inks and coatings, having differential surface tensions or different surface energies. The steps of the method include: (a) providing a transparent substrate sheet having a front and a back; (b) printing an array of substantially parallel lines in at least one energy-curable ink on the front of the sheet; (c) applying at least one energy-curable coating over the array printed in energy-curable ink, the ink and coating being chosen so that sufficient repulsion is created on contact between the ink and the coating to form an aligned series of contiguous beads of coating material before curing takes over to ensure the formation of a lenticular lens structure over the image printed in energy-curable ink; and (d) curing to produce a stable lenticular lens structure.
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