An article includes a substrate and a graphical component forming an image and an optical component which includes magnetic pigment flakes aligned so as to form a frame pattern which surrounds the image. When light is incident upon the pigment flakes from a light source, light reflected from the frame pattern...
source Optical Component patent applications http://ift.tt/OBI7WW
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source Optical Component patent applications http://ift.tt/OBI7WW
via
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