Patent No. EP4249280 (titled "Indicator Body And Labeled Printed Matter") was filed by Toppan Printing on Jan 7, 2020. The application was issued on Apr 23, 2025.
A display body for security labels that combines a geometric optical structure with a wave optical structure to prevent counterfeiting. The display body includes a carrier, an embossed layer with a geometric optical structure region, a wave optical structure region, and a third structure region, and a printed layer. The third structure region is positioned between the geometric and wave optical structure regions and has a height that is greater than the geometric structure and less than twice its height. This configuration prevents light from propagating between the two optical structures, maintaining the visibility of the security features.

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