Abstract:
The invention provides a car lighting unit (1) comprising a reflector (10) and a light source (20) arranged to generate light (21). The reflector (10) circumferentially surrounds the light source and the reflector has a reflector opening (11). The reflector is arranged to reflect at least part of the light from the light source through the reflector opening. The car lighting unit further comprises a 3D hologram (30). The car lighting unit is constructed to generate a beam of light (22) and a holographic 3D image (31), using light from the light source (20).
Abstract:
A security element (20), such as a thread, strip and the like, for security documents in general, comprising a flexible backing layer (1) that has, on at least one face, a layer (2) of metallic material provided with regions (3) in which the thickness of the metal is less than 70% and more than 25% of the thickness of the layer (2) of metallic material of the nearby portion, further comprising, on the backing layer (1), a layer (10) of material that shifts color according to the type of light and angle of incidence of the light, the layer (10) of color-shifting material being in any case in register with the regions (3).
Abstract:
The invention relates to a holographic data memory (1) comprising a memory layer (2), which contains a dye that can be modified by exposure, preferably a bleachable or destructible dye. The memory layer (2) is configured for storing holographic information using the local absorption properties in the memory layer (2). A reflection layer (6) is preferably located behind the memory layer (2).
Abstract:
A multilayered volume hologram structure (1) of the invention comprises a substrate (2) for a certificate or the like, and an adhesive layer (5), a volume hologram layer (6) and a surface protective film (7) laminated on the substrate (2) in the described order. When a multilayer structure consisting of the volume hologram layer (6) and surface protective layer (7) is forcibly released from the substrate (2) for the purpose of making a photograph replacement or falsifying a personal information area, the volume hologram image can break down certainly, thereby ensuring prevention of falsification. A multilayered volume hologram structure-making label is useful for making a multilayered volume hologram structure.
Abstract:
A multilayered volume hologram structure (1) of the invention comprises a substrate (2) for a certificate or the like, and an adhesive layer (5), a volume hologram layer (6) and a surface protective film (7) laminated on the substrate (2) in the described order. When a multilayer structure consisting of the volume hologram layer (6) and surface protective layer (7) is forcibly released from the substrate (2) for the purpose of making a photograph replacement or falsifying a personal information area, the volume hologram image can break down certainly, thereby ensuring prevention of falsification. A multilayered volume hologram structure-making label is useful for making a multilayered volume hologram structure.
Abstract:
The invention relates to an inspection security element (20) for security papers, value documents, and the like, comprising at least a first security characteristic (24) and a second security characteristic (34) located on opposite sides of the security element (20), wherein, according to the invention, the first security characteristic (24) is a security characteristic recognizable in reflection having a grid pattern (28) that can influence electromagnetic radiation, the pattern comprising a plurality of ruled grating lines, and the second security characteristic (34) is an optical element forming radiation in transmission.
Abstract:
The invention relates to an inspection security element (20) for security papers, value documents, and the like, comprising at least a first security characteristic (24) and a second security characteristic (34) located on opposite sides of the security element (20), wherein, according to the invention, the first security characteristic (24) is a security characteristic recognizable in reflection having a grid pattern (28) that can influence electromagnetic radiation, the pattern comprising a plurality of ruled grating lines, and the second security characteristic (34) is an optical element forming radiation in transmission.