Abstract: The invention relates to a security element having a coating consisting of a material which has an optically variable effect, in particular a colour shift effect, and has recesses that can be recognised in transmitted light, wherein the security element comprises a support substrate, a partial layer with recesses, and a layer structure that generates a colour shift effect, characterised in that the security element, on the face which has the coating consisting of the material that has an optically variable effect, comprises one or more partial coatings consisting of a layer which has colours that are transparent in visible light and fluorescent in UV light.

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.

Abstract: A security element, in particular for security labels or adhesive strips, includes the following layers: a) a carrier substrate; b) a reflective layer or a layer with a high refractive index; c) a partial separating lacquer layer; and d) an all-over adhesive coating.

Abstract: The invention relates to a security element having a coating consisting of a material which has an optically variable effect, in particular a colour shift effect, and has recesses that can be recognised in transmitted light, wherein the security element comprises a support substrate, a partial layer with recesses, and a layer structure that generates a colour shift effect, characterised in that the security element, on the face which has the coating consisting of the material that has an optically variable effect, comprises one or more partial coatings consisting of a layer which has colours that are transparent in visible light and fluorescent in UV light.

Abstract: 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.

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.

Abstract: A security element includes a coating of a material which has an optically variable effect, in particular a color-tilt effect, and cutouts which are identifiable in transmitted light. The security element comprises a carrier substrate and a partial layer having cutouts. The partial layer is made of an opaque coating having light-absorbing properties on the side that faces the coating made of the material having an optically variable effect and having a metallic coloration on the side that faces away from the coating made of the material having an optically variable effect. The partial opaque coating consists of a light-absorbing metallic layer.

Abstract: The invention relates to a manipulation-proof RFID antenna structure having a carrier substrate, an RFID antenna, a chip, and an adhesive coating. The structure includes the following layers in varying sequence: a) a carrier substrate, b) a thin UV-curable varnish layer into which a hologram is imprinted, c) a partial metallization as a mirror layer, k) optionally a smoothing varnish layer, l) optionally a partial copper layer forming the antenna, m) optionally a strap or a microchip, n) an adhesive layer, o) optionally a removable cover film (release liner), p) optionally a printed layer, and q) optionally a non-imprinted UV varnish layer.

Abstract: A tamper-evident adhesive security tape or label includes a flexible backing substrate with a surface that bears an embossed varnish layer, a semitransparent metal layer and/or a high refractive index layer, a partial release varnish layer, one or more varnish layers having optical properties, a full-area release varnish layer, a full-area varnish layer, and a self-adhesive coating layer. In regions not coated with the partial release varnish layer, an adhesion of the embossed varnish layer, the semitransparent metal layer and/or the HRI layer, the one or more varnish layers having optical properties, the full-area release varnish layer, the full-area varnish layer, the self-adhesive coating layer, and an article to be secured to one another is greater than an adhesion of the one or more varnish layers having optical properties to the full-area release varnish layer or an adhesion of the full-area release varnish layer to the full-area varnish layer.

Abstract: The invention relates to a security element comprising a coating of a material which has an optically variable effect, in particular a colour-tilt effect, and cutouts which are identifiable in transmitted light, wherein the security element comprises a carrier substrate and a partial layer having cutouts, wherein the partial layer is made of an opaque coating having light-absorbing properties on the side that faces the coating made of the material having an optically variable effect and having a metallic colouration on the side that faces away from the coating made of the material having an optically variable effect, wherein the partial opaque coating consists of a light-absorbing metallic layer and a reflective metallic layer and a method for producing the same.

Abstract: A security foil includes two or more carrier substrates which have at least one optically active structure and at least two metal layers. The security foil is composed as follows: a) a first carrier substrate, b) a first radiation-curable lacquer layer into which an optically active structure is incorporated, c) a first metal layer, d) a protective lacquer layer, e) an adhesive layer, f) a second carrier substrate, g) a second radiation-curable lacquer layer, h) a second metal layer, i) optionally a protective lacquer layer, and k) optionally an adhesive coating. The adhesion between the layers g) and h) or f) and g) is significantly lower than the adhesion between the remaining layers.

Abstract: A tamper-proof security element includes at least one polymer spacer layer and two metal cluster layers. One or more of the layers, in addition to their function, fulfills a security feature in their color-shift set-up.

Abstract: A security element or film materials for data carriers, valuable documents, packing and the like. The security element includes a magnetic coding that is produced in situ. The invention also relates to a method and a device for producing the magnetic coding in situ.

Abstract: The invention relates to a security element, particularly as a security label, characterized in that said element comprises the following layers: a) a carrier substrate; b) a first paint coating comprising an optically active structure; c) a second paint coating; d) optionally a reflective layer and/or a layer having optical features; e) an adhesive layer.

Abstract: The invention relates to a security element comprising a transparent carrier substrate and a color-changing element made of a layer reflecting electromagnetic waves, a spacing layer, and a layer in the form of metal clusters, characterized in that the layer reflecting the electromagnetic waves is applied to the transparent carrier substrate partially as a line raster and partially as a contiguous layer made of one or more different metals.

Abstract: The invention relates to a manipulation-proof RFID antenna structure having a carrier substrate, an RFID antenna, optionally a chip, and an adhesive coating, wherein the structure comprises the following layers in varying sequence: a) a carrier substrate (1), b) a thin UV-curable varnish layer into which a hologram is imprinted (3), c) a partial metallization as a mirror layer (4), k) optionally a smoothing varnish layer (5), l) optionally a partial copper layer forming the antenna (6), m) optionally a strap or a microchip (7), n) an adhesive layer (8), o) optionally a removable cover film (release liner), p) optionally a printed layer (9), q) optionally a non-imprinted UV varnish layer (10).

Abstract: A decorative foil which can be applied to any support, wherein the foil is composed of a polymeric carrier foil that is provided with a metallic layer and/or print and at least one, protective lacquer layer.