A security element for securing security papers, value documents and other data carriers, includes a lens grid image with a lens grid of a plurality of micro lenses and a radiation-sensitive motif layer arranged at a distance from the lens grid. The radiation-sensitive motif layer includes, in one motif region, a multiplicity of transparency regions produced by the action of radiation. The radiation-sensitive motif layer has, at least in the motif region, a color partial layer and a contrast partial layer. The color partial layer includes chromophore effect pigments which appear to be colored against the background of the contrast partial layer and which appear to be transparent without a contrast layer.

A display medium comprising: a multilayered substrate including a polarized light separation layer and a phase difference layer; and a first reflective layer provided on a surface of the multilayered substrate on a side with the polarized light separation layer, wherein: the polarized light separation layer can reflect circularly polarized light which has one rotation direction D.sub.A, and can transmit circularly polarized light which has an opposite rotation direction to the rotation direction D.sub.A; the first reflective layer can reflect circularly polarized light which has one rotation direction D.sub.B1, and can transmit circularly polarized light which has an opposite rotation direction to the rotation direction D.sub.B1; and the rotation direction D.sub.A of the circularly polarized light that the polarized light separation layer can reflect and the rotation direction D.sub.B1 of the circularly polarized light that the first reflective layer can reflect are the same as each other.

A display body includes a base material having a first region, a second region, and a third region. In the display body, the first region is formed with a code or an image of identification information, and the second region is formed with a hidden code containing information obtained by encoding at least a part of the identification information. An encrypted ciphertext is recorded in the third region, and the ciphertext is generated from at least one of the code of the identification information and the hidden code.

Security documents often incorporate security devices to prevent or hinder counterfeiters. Disclosed herein are security devices that include a fluid or fluids within the devices. Such devices, and security documents that include them, afford new techniques to check whether a security document is a legitimate or counterfeit copy.

Security documents often incorporate security devices to prevent or hinder counterfeiters. Disclosed herein are security devices that include a fluid or fluids within the devices. Such devices, and security documents that include them, afford new techniques to check whether a security document is a legitimate or counterfeit copy.

A security document having a security element including a multilayer body with a volume hologram layer and a partial opaque layer, arranged on a surface of the volume hologram layer, which is present in a first area and is not present in a second area.

A security document having a security element including a multilayer body with a volume hologram layer and a partial opaque layer, arranged on a surface of the volume hologram layer, which is present in a first area and is not present in a second area.

A banknote having a substrate with polymeric outer surfaces, including one or more coatings applied to at least one of the outer surfaces, at least one coating being a paper feel layer which provides a feel, substantially similar to that of a paper banknote, wherein the paper-feel layer includes tactile particles, to provide the paper-feel, and the tactile particles are conductive and/or the paper-feel layer includes conductive particles, or at least one of the or each coating includes conductive particles, to improve antistatic properties of the banknote.

The disclosure relates to the technical field of secure identification document, specifically to a method for producing a color secure identification document and a color secure identification document thereof. The method comprises: etching identity information on the substrate of the data surface of document by laser, and the identity information comprises a black-and-white image and text information; printing a color image on the black-and-white image with color ink so that the color image and the black-and-white image are aligned and coincide with each other to form a personalized data surface; and printing a transparent protective layer on the upper surface of the personalized data surface with a transparent varnish, wherein the protective layer covers the color image.

The invention relates to the field of the protection of security documents such as for example banknotes and identity documents against counterfeit and illegal reproduction. In particular, the present invention provides processes for optical effect layers (OEL) exhibiting two or more nested indicia using a magnetic assembly comprising i) a soft magnetic plate (x31) comprising a) one or more voids (V) and b) one or more indentations (I) and/or one or more protrusions (P), and ii) one or more dipole magnets (x32).