A blister pack includes a housing having a plurality of cavities and a cover sealed to the housing and enclosing the cavities. The cover including a base layer, at least one security element, and a heat protective layer. The heat protective layer includes one of an amorphous polymer and a semi-crystalline polymer.

A blister pack includes a housing having a plurality of cavities and a cover sealed to the housing and enclosing the cavities. The cover including a base layer, at least one security element, and a heat protective layer. The heat protective layer includes one of an amorphous polymer and a semi-crystalline polymer.

Security devices having chaosmetric artifacts from fractal patterns are disclosed. In one aspect, embodiments of the present disclosure include a security device, having a physical surface having formed thereon a composite pattern. The composite pattern can created from created from joining of an imprint of a first base pattern and an imprint of a second base pattern. The first base pattern can be created from a first basic building block. In one embodiment, the first base pattern is a fractal pattern based on the first basic building block which forms chaosmetric artifacts in the physical surface upon printing.

Security devices having chaosmetric artifacts from fractal patterns are disclosed. In one aspect, embodiments of the present disclosure include a security device, having a physical surface having formed thereon a composite pattern. The composite pattern can created from created from joining of an imprint of a first base pattern and an imprint of a second base pattern. The first base pattern can be created from a first basic building block. In one embodiment, the first base pattern is a fractal pattern based on the first basic building block which forms chaosmetric artifacts in the physical surface upon printing.

An optical product can reproduce a first 3D image of at least part of a first 3D object and a second 3D image of at least part of a second 3D object. The optical product comprises a surface configured, when illuminated, to reproduce by reflected or transmitted light, the first 3D image without reproducing the second 3D image at a first angle of view, and the second 3D image without reproducing the first 3D image at a second angle of view. Each portion of first portions can correspond to a point on a surface of the first 3D object, and comprise first non-holographic features configured to produce at least part of the first 3D image. Each portion of second portions can correspond to a point on a surface of the second 3D object, and comprise second non-holographic features configured to produce at least part of the second 3D image.

An optical product can reproduce a first 3D image of at least part of a first 3D object and a second 3D image of at least part of a second 3D object. The optical product comprises a surface configured, when illuminated, to reproduce by reflected or transmitted light, the first 3D image without reproducing the second 3D image at a first angle of view, and the second 3D image without reproducing the first 3D image at a second angle of view. Each portion of first portions can correspond to a point on a surface of the first 3D object, and comprise first non-holographic features configured to produce at least part of the first 3D image. Each portion of second portions can correspond to a point on a surface of the second 3D object, and comprise second non-holographic features configured to produce at least part of the second 3D image.

A security element (1) for a security paper, value document or the like, having a carrier (8) which has an areal region (3) which is divided into a multiplicity of pixels (4) which respectively includes at least one optically active facet (5), whereby the majority of the pixels (4) respectively have several of the optically active facets (5) of identical orientation per pixel (4), and the facets (5) are so oriented that the areal region (3) is perceptible to a viewer as an area that protrudes and/or recedes relative to its actual spatial form.

A security element (1) for a security paper, value document or the like, having a carrier (8) which has an areal region (3) which is divided into a multiplicity of pixels (4) which respectively includes at least one optically active facet (5), whereby the majority of the pixels (4) respectively have several of the optically active facets (5) of identical orientation per pixel (4), and the facets (5) are so oriented that the areal region (3) is perceptible to a viewer as an area that protrudes and/or recedes relative to its actual spatial form.

A security device includes an array of lenses and a plurality of first and second segments disposed under the array of lenses. At a first viewing angle, the array of lenses presents a first image for viewing without presenting the second image for viewing, and at a second viewing angle different from the first viewing angle, the array of lenses presents for viewing the second image without presenting the first image for viewing. At least one first or second segment can include one or more microstructures or one or more nanostructures configured to produce one or more colors for the first or second image.

A display technique capable of displaying special images. A display includes a light shielding layer having a plurality of slits arranged at intervals in a width direction thereof, and an image recording layer that faces a first major surface of the light shielding layer at an interval and in which a latent image is recorded, the latent image being rendered visible by being partially concealed by the light shielding layer.