EP 3760450 B1 20240306 - SECURITY ELEMENT FOR A VALUABLE DOCUMENT
Title (en)
SECURITY ELEMENT FOR A VALUABLE DOCUMENT
Title (de)
SICHERHEITSELEMENT FÜR EIN WERTDOKUMENT
Title (fr)
ÉLÉMENT DE SÉCURITÉ POUR UN DOCUMENT DE VALEUR
Publication
Application
Priority
EP 19184053 A 20190703
Abstract (en)
[origin: WO2021001475A1] The invention relates to a security element (1, 10) for a valuable document, a security paper and the like, the security element (1, 10) having at least one colour-tilting thin-film element (3, 11) with at least one absorber layer (4), at least one reflector layer (5) and at least one spacer layer (6) situated between the absorber layer (4) and the reflector layer (5), wherein the at least one reflector layer (5) has at least one cut-out (7), wherein the at least one spacer layer (6) covers the entire area of the at least one absorber layer (4) and the reflector layer (5) on mutually facing sides, wherein the spacer layer (6) also covers the entire area of the at least one cut-out (7) in the at least one reflector layer (5), wherein a colour-tilting element consisting at least of the at least one absorber layer (4) and the at least one spacer layer (6) is formed in a region of the at least one cut-out (7).
IPC 8 full level
B42D 25/351 (2014.01)
CPC (source: EP)
B42D 25/351 (2014.10); B42D 25/355 (2014.10)
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
DOCDB simple family (publication)
EP 3760450 A1 20210106; EP 3760450 B1 20240306; EP 3760450 C0 20240306; WO 2021001475 A1 20210107
DOCDB simple family (application)
EP 19184053 A 20190703; EP 2020068649 W 20200702