摘要:
A counterfeit prevention structure (10) includes a fine-relief-formation layer (11) which is provided with a first area (13) having an optical element that includes a relief structure whose depth-to-width ratio that is a ratio of a depth relative to a width is not less than a first value, and a second area (14) having an optical element that includes a relief structure whose depth-to-width ratio is less than the first value. The counterfeit prevention structure (10) further includes a reflective layer (12) that is arranged on the relief structure included in the area having the lower light transmittance among the first and second areas (13;14).
摘要:
A color shifting interference structure is provided. The color shifting interference structure comprises: a magnetic layer, a reflector layer, a dielectric layer over the reflector layer, and an absorber layer over the dielectric layer. The interference structure exhibits a color shift such that the interference structure has a first color at a first angle of incident light or viewing and a second color different from the first color at a second angle of incident light or viewing. The interference structure further comprises an insulator layer over the magnetic layer and the reflector layer is disposed over the insulator layer. The insulator layer has a thickness for preventing corrosion of the interference structure.
摘要:
A counterfeit prevention structure (10) includes a fine-relief-formation layer (11) which is provided with a first area (13) having an optical element that includes a relief structure whose depth-to-width ratio that is a ratio of a depth relative to a width is not less than a first value, and a second area (14) having an optical element that includes a relief structure whose depth-to-width ratio is less than the first value. The first area (13) has a light transmittance higher than that of the second area (14). The counterfeit prevention structure (10) further includes fine particles (15) that are filled in recesses of the relief structure included in the first area (13), and a reflective layer (12) that is arranged on the relief structure included in the second area (14).
摘要:
In accordance with one or more embodiments of the invention, there is provided a display comprising first light-scattering regions each provided with linear protrusions and/or recesses having the same longitudinal direction, the light-scattering regions being different from each other in the longitudinal direction, and a second light scattering region provided with protrusions and/or recesses each having a shape other than a linear shape.
摘要:
The invention relates to a system (100, 200, 300, 400, 500, 600) for producing a security element (4), in particular a vignette for a windshield pane (6) of a transportation means. The security element comprises a support element (3) with a first and a second surface, wherein a first sub-element (1) of the security element (4) is arranged in a first region (31) of the first surface, and a second sub-element (2) of the security element (4) is arranged in a second region (32) of the first surface, said second region being separated from the first region (31) by a folding edge (33). The sub-elements (1, 2) can be brought into a stacked arrangement by folding the support element (3) along the folding edge (33) and can be adhered by means of an adhesive (25) arranged on the second sub-element (2) face facing away from the support element (3). An individualizing feature (14) can be applied onto a first (1) and/or second sub-element (2) face facing away from the support element (3). The invention further relates to a method for producing a security element (4) using such a system (100, 200, 300, 400, 500, 600) and to a security element (4) obtained using said method.