Decorative Element And Safety Document Comprising A Decorative Element
Patent No. EP3422056 (titled "Decorative Element And Safety Document Comprising A Decorative Element") was filed by OVD Kinegram on Jun 25, 2013. The application was issued on May 31, 2023.
Patent Summary
Decorative element for security documents, comprising a microstructure with pseudo-randomly varied parameters, such as positioning, spacing, shape, and size, that generates a complementary color effect when viewed outside the zeroth diffraction order. The microstructure can be arranged in a binary diffraction structure, with different parameters in different areas, to produce a multicolor or true color image. The element can be integrated into a security document, such as a banknote or passport, to provide a visually attractive and secure authentication feature.
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Date
Description
EP3422056
- Application Number
- EP18189465A
- Filing Date
- Jun 25, 2013
- Status
- Patent Maintained As Amended
- Apr 28, 2023
- Publication Date
- May 31, 2023
- External Links
- Slate, Register , Google Patents