Security element with color shift effect and manipulation detection
AssigneeHueck Folien Ges.M.B.H.
InventorsMarco MAYRHOFER, Georg AIGNER
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AssigneeHueck Folien Ges.M.B.H.
InventorsMarco MAYRHOFER, Georg AIGNER
Estimating the term…
The invention relates to a security element with manipulation detection, in particular a security label or a transferable element, having the following layers: a) a first layer which is an embossed support substrate or a support substrate (1) with a coating layer (6) that has an optically active structure (7) or a first liquid crystal layer, b) a second layer which is a liquid crystal layer (3), c) a light-absorbing layer (4), and d) an adhesive layer (5), wherein the adhesion between the layers a. and b. is lower than the adhesion between the layers b., c., and d., and the security element has a color shift effect.
1-12. (canceled)
A tamper-evident security element, more particularly a security label and/or a transferable element, characterized in that it comprises the following layers:
Dependencies are inferred from the claim text.