Depiction arrangement

Abstract

The invention relates to a depiction arrangement for security papers, value documents, electronic display devices or other data carriers, having a grid image arrangement for depicting a target image ( 40 ) that is broken down into two or more partial target images ( 42, 44 ), having a motif image that is subdivided into a plurality of periodically or at least locally periodically arranged cells ( 24 ) in each of which are arranged mapped regions of one or more of the partial target images ( 42, 44 ), a viewing grid ( 22 ), composed of a plurality of viewing grid elements, that, when the motif image is viewed, reconstructs the complete target image ( 40 ) from the mapped regions arranged in the cells ( 24 ), the motif image being, independently of the cell subdivision, split into at least first and second microinformation regions ( 60, 62 ) in which the cells each include different combinations of mapped regions of the partial target images ( 40, 42 ), and the microinformation regions ( 60, 62 ) being arranged in the shape of specified image motifs that exhibit information-bearing image patterns whose dimensions are below the resolution limit of the human eye.

1 . A depiction arrangement for security papers, value documents, electronic display devices or other data carriers, having a grid image arrangement for depicting a target image that is broken down into two or more partial target images, having
 a motif image that is subdivided into a plurality of periodically or at least locally periodically arranged cells in each of which are arranged mapped regions of one or more of the partial target images,   a viewing grid composed of a plurality of viewing grid elements for viewing the motif image with the viewing grid, wherein the viewing grid, when the motif image is viewed, reconstructs the complete target image from the mapped regions arranged in the cells,   the motif image being, independently of the cell subdivision, split into at least first and second microinformation regions in which the cells each include different combinations of mapped regions of the partial target images, and the microinformation regions being arranged in the shape of specified image motifs that exhibit information-bearing image patterns whose dimensions are below the resolution limit of the human eye.   
     
     
         2 . The depiction arrangement according to  claim 1 , characterized in that the microinformation regions each extend across multiple cells of the motif image. 
     
     
         3 . The depiction arrangement according to  claim 1 , characterized in that the microinformation regions at least partially intersect the cell boundaries of the motif image cells. 
     
     
         4 . The depiction arrangement according to  claim 1 , characterized in that the information-bearing image patterns exhibit dimensions that are below about 100 μm. 
     
     
         5 . The depiction arrangement according to  claim 1 , characterized in that the information-bearing image patterns are present in the form of pixels or lines. 
     
     
         6 . The depiction arrangement according to  claim 1 , characterized in that the microinformation regions are arranged in the form of alphanumeric characters, an alphanumeric character string or a logo. 
     
     
         7 . The depiction arrangement according to  claim 1 , characterized in that the image motifs of the microinformation regions repeat periodically or in irregular sequence within the motif image. 
     
     
         8 . The depiction arrangement according to  claim 1 , characterized in that the first and second microinformation regions each arranged in different specified regions within the motif image differ from each other, such that the image motifs of the respective microinformation regions change over the expanse of the motif image. 
     
     
         9 . The depiction arrangement according to  claim 1 , characterized in that the cells of the motif image each include mapped regions of only one of the partial target images, and the first and second microinformation regions include mapped regions of different partial target images. 
     
     
         10 . The depiction arrangement according to  claim 1 , characterized in that the depiction arrangement constitutes a moiré magnification arrangement in which the mapped regions of the cells of the motif image each constitute scaled-down images of the partial target images, which are completely accommodated within one cell. 
     
     
         11 . The depiction arrangement according to  claim 10 , characterized in that the arrangement of cells of the motif image and/or the viewing grid, in its periodic or at least locally periodic regions, exhibits no axis of symmetry in the plane of the arrangement or of the grid. 
     
     
         12 . The depiction arrangement according to  claim 10 , characterized in that, upon tilting the depiction arrangement, the complete target image moves in a specified direction that, with the tilt direction, encloses an angle y not equal to 0° and not equal to 90°. 
     
     
         13 . The depiction arrangement according to  claim 10 , characterized in that the arrangement of cells of the motif image and the viewing grid form dissimilar lattices that are coordinated with each other such that, upon tilting the depiction arrangement, an orthoparallactic movement effect of the complete target image occurs. 
     
     
         14 . The depiction arrangement according to  claim 1 , characterized in that the depiction arrangement constitutes a micro-optical moiré-type magnification arrangement in which the mapped regions of multiple spaced-apart cells of the motif image constitute in each case, taken together, a scaled-down image of one of the partial target images, whose dimension is larger than one cell of the motif image. 
     
     
         15 . The depiction arrangement according to  claim 1 , characterized in that the depiction arrangement constitutes a modulo magnification arrangement in which the mapped regions of the cells of the motif image each constitute non-complete sections, that are mapped by a modulo operation, of one or more of the partial target images. 
     
     
         16 . The depiction arrangement according to  claim 1 , characterized in that the periodicity length or the local periodicity length of the viewing grid and/or the periodicity length or the local periodicity length of the cells of the motif image is between 3 μm and 50 μm, preferably between 5 μm and 30 μm, particularly preferably between about 10 μm and about 20 μm. 
     
     
         17 . The depiction arrangement according to  claim 1 , characterized in that the viewing elements are formed by non-cylindrical microlenses or concave microreflectors, especially by microlenses or concave microreflectors having a circular or polygonally delimited base area. 
     
     
         18 . The depiction arrangement according to  claim 1 , characterized in that the viewing elements are formed by elongated cylindrical lenses or concave cylindrical reflectors whose dimension in the longitudinal direction measures more than 250 μm, preferably more than 300 μm, particularly preferably more than 500 μm and especially more than 1 mm. 
     
     
         19 . The depiction arrangement according to  claim 1 , characterized in that the viewing elements are formed by circular apertures, slit apertures, circular or slit apertures provided with reflectors, aspherical lenses, Fresnel lenses, GRIN ( G radient  R efractive  In dex) lenses, zone plates, holographic lenses, concave reflectors, Fresnel reflectors, zone reflectors or other elements having a focusing or also masking effect. 
     
     
         20 . The depiction arrangement according to  claim 1 , characterized in that the viewing grid and the motif image are firmly joined together to form a security element having a stacked, spaced-apart viewing grid and motif image, especially in that the motif image and the viewing grid are arranged at opposing surfaces of an optical spacing layer. 
     
     
         21 . The depiction arrangement according to  claim 1 , characterized in that the viewing grid and the motif image are arranged at different positions of a data carrier such that the viewing grid and the motif image are stackable for self-authentication and, in the stacked state, form a security element. 
     
     
         22 . The depiction arrangement according to  claim 1 , characterized in that the motif image is displayed by an electronic display device, and the viewing grid for viewing the displayed motif image is firmly joined with the electronic display device. 
     
     
         23 . The depiction arrangement according to  claim 1 , characterized in that the motif image is displayed by an electronic display device, and in that the viewing grid, as a separate viewing grid for viewing the displayed motif image, is bringable onto or in front of the electronic display device. 
     
     
         24 . The depiction arrangement according to  claim 1 , characterized in that the grid image arrangement for depicting the target image that is broken down into two or more partial target images is combined with at least one further grid image arrangement for depicting the target image that is not broken down into partial target images. 
     
     
         25 . A method for manufacturing a depiction arrangement, in which
 a target image to be depicted is broken down into two or more partial target images,   in a motif plane, a motif image is produced that is subdivided into a plurality of periodically or at least locally periodically arranged cells in each of which are arranged mapped regions of one or more of the partial target images,   a viewing grid composed of a plurality of viewing grid elements for viewing the motif image with the viewing grid is produced, wherein the viewing grid, when the motif image is viewed, reconstructs the complete target image from the mapped regions arranged in the cells,   the motif image being, independently of the cell subdivision, split into at least first and second microinformation regions in which the cells are each filled with different combinations of mapped regions of the partial target images, and the microinformation regions being arranged in the shape of specified image motifs that exhibit information-bearing image patterns whose dimensions are below the resolution limit of the human eye.   
     
     
         26 . The method according to  claim 25 , characterized in that the viewing grid and the motif image are firmly joined together to form a security element having a stacked, spaced-apart viewing grid and motif image. 
     
     
         27 . The method according to  claim 25 , characterized in that the viewing grid and the motif image are arranged at different positions of a data carrier such that the viewing grid and the motif image are stackable for self-authentication, and, in the stacked state, form a security element. 
     
     
         28 . A security paper for manufacturing security or value documents, such as banknotes, checks, identification cards, certificates or the like, having the depiction arrangement according to  claim 1 . 
     
     
         29 . A data carrier, especially a branded article, value document, decorative article or the like, having the depiction arrangement according to  claim 1 . 
     
     
         30 . An electronic display arrangement having an electronic display device, especially a computer or television screen, a control device and the depiction arrangement according to  claim 1 , the control device being designed and set up to display the motif image of the depiction arrangement on the electronic display device.