Patent · US Active

Security element and method for producing a security element having light-scattering structures

US10183522B2 · kind B2 · utility

0Cited by

5References

12Claims

0Family size

Assignees

HUECK FOLIEN GES.M.B.H. · AT
JOANNEUM RESEARCH FORSCHUNGSGESELLSCHAFT MBH · AT

Inventors

Stefan Trassl · Baumgartenberg, AT
Klaus Schmidegg · Gleisdorf, AT
Maria Belegratis · Tamsweg, AT
Volker Schmidt · Lexington, US
Michael Steindorfer · Stattegg, AT
Barbara Stadlober · Graz, AT

Key dates

Filing date	May 11, 2015
Grant date	Jan 22, 2019
Priority date	—
Expiry date	May 11, 2035

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB29K2101/12
WIPO fieldOptics
WIPO sectorInstruments

Abstract

The invention relates to a security element, comprising a thermoplastic or photo-sensitive replication lacquer layer, non-periodic randomly arranged (randomized) structures in the sub-micrometer range being incorporated into the replication lacquer layer and having an angle-independent optical effect, such as a color effect, and to a method for the production thereof and to the use thereof.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.