EP 3493996 B1 20201118 - OPTICALLY VARIABLE SECURITY ELEMENT
Title (en)
OPTICALLY VARIABLE SECURITY ELEMENT
Title (de)
OPTISCH VARIABLES SICHERHEITSELEMENT
Title (fr)
ÉLÉMENT DE SÉCURITÉ OPTIQUEMENT VARIABLE
Publication
Application
Priority
- DE 102016214407 A 20160804
- EP 2017068308 W 20170720
Abstract (en)
[origin: WO2018024488A1] The invention relates to an optically variable security element (1) comprising a relief layer (102) having a plurality of structurally identical optical individual elements (2) which each have an individual element surface (6) which is divided into part-surfaces (61, 62) which have different directed degrees of reflection, and the part-surfaces (61, 62) are divided into groups in such a way that each group comprises a part-surface (61, 62) of an individual element surface (6) and each group encodes an associated reflection motif which is dependent upon the viewing angle and is visible with the naked eye, also comprising at least one planar region (3) which extends between the optical individual elements (2) and comprises part-regions (31, 32) having diffraction gratings, which by the predetermined directed light produce at least one diffraction motif which is dependent upon the viewing angle and is visible with the naked eye, and the reflection motifs dependent upon the viewing angle and the at least one diffraction motif dependent upon the viewing angle produce total motifs which are visible with the naked eye.
IPC 8 full level
B42D 25/324 (2014.01); B42D 25/21 (2014.01); B42D 25/30 (2014.01); B42D 25/328 (2014.01); B42D 25/435 (2014.01)
CPC (source: EP)
B42D 25/21 (2014.10); B42D 25/30 (2014.10); B42D 25/324 (2014.10); B42D 25/328 (2014.10); B42D 25/435 (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)
WO 2018024488 A1 20180208; CN 109562636 A 20190402; CN 109562636 B 20200901; DE 102016214407 A1 20180208; EP 3493996 A1 20190612; EP 3493996 B1 20201118
DOCDB simple family (application)
EP 2017068308 W 20170720; CN 201780047925 A 20170720; DE 102016214407 A 20160804; EP 17742233 A 20170720