Abstract:
The present invention according to one embodiment comprises a three-dimensional security element and an injection-molded product having the three-dimensional security element, wherein the three-dimensional security element further comprises: a micro lens array to which various types of lenses can be applied; an image array; a primer layer for facilitating adhesion; and a protection film for protecting the three-dimensional security element from heat and pressure. According to the configuration above, the present invention can implement three-dimensional effects, such as a latent image effect, a floating effect, and an inverted parallax effect, wherein an effect is determined by a period rate and a matching angle between the micro lens array and the image array.
Abstract:
The present invention relates to a method for producing a three-dimensional security element and an injection-molded product having the three-dimensional security element and, more specifically, to a method for producing a three-dimensional security element suitable for an in-mold process by using a moiré expansion phenomenon, and for producing an injection-molded product to which the three-dimensional security element is applied. The present invention according to one embodiment comprises a three-dimensional security element and an injection-molded product having the three-dimensional security element, wherein the three-dimensional security element further comprises: a micro lens array to which various types of lenses can be applied; an image array; a primer layer for facilitating adhesion; and a protection film for protecting the three-dimensional security element from heat and pressure. According to the configuration above, the present invention can implement three-dimensional effects, such as a latent image effect, a floating effect, and an inverted parallex effect, wherein an effect is determined by a period rate and a matching angle between the micro lens array and the image array.
Abstract:
The present invention provides: an anti-counterfeiting sheet in which first and second patterns are formed as a plurality of elements and blanks on both surfaces of a transparent substrate and are to be visually recognized through the blanks, such that, by means of an optical illusion according to a viewing angle, direction, and distance, the resolution of the patterns changes or the colors thereof change, or the patterns develop or a pattern shift occurs; and a manufacturing method therefor. According to the present invention, high anti-counterfeiting effects such as a color shift, a latent image, and a security window can be obtained without using an expensive special ink, carrying out a complicated printing process, or using a special material. In addition, authenticity can be easily identified by carrying out photography at a specific viewing angle, direction, and distance with a smartphone and the like.
Abstract:
The present invention provides: an anti-counterfeiting sheet in which first and second patterns are formed as a plurality of elements and blanks on both surfaces of a transparent substrate and are to be visually recognized through the blanks, such that, by means of an optical illusion according to a viewing angle, direction, and distance, the resolution of the patterns changes or the colors thereof change, or the patterns develop or a pattern shift occurs; and a manufacturing method therefor. According to the present invention, high anti-counterfeiting effects such as a color shift, a latent image, and a security window can be obtained without using an expensive special ink, carrying out a complicated printing process, or using a special material. In addition, authenticity can be easily identified by carrying out photography at a specific viewing angle, direction, and distance with a smartphone and the like.
Abstract:
Die vorliegende Erfindung betrifft ein magnetisches Sicherheitselement mit einem Effekt eines verborgenen dreidimensionalen (3D) Bewegungsbildes und ein Verfahren zum Drucken desselben, welches die folgenden Schritte aufweist: Drucken eines vorbestimmten Linienmusters auf die Oberfläche eines Substrats unter Verwendung einer magnetischen Druckfarbe; Anlegen eines Magnetfeldes an das mit dem Muster versehene Substrat; und Trocknung und Härten des Substrats, an welches das Magnetfeld angelegt wurde. Erfindungsgemäß kann ein verborgenes Bild hergestellt werden, das nicht durch Kopieren gebildet werden kann und reversibel sichtbar und nicht sichtbar ist. Das magnetische Sicherheitselement kann somit zum Verhindern von Fälschungen oder Veränderungen verwendet werden.
Abstract:
PURPOSE: A security device for controlling colors and polarization of lights is provided to make counterfeit/falsification difficult by using optical properties of a metal and to optically identify the falsification. CONSTITUTION: A security device for controlling colors and polarization of lights comprises a metal layer(20) and a substrate(10), and a fluorescent substance layer or nonlinear substance layer. The metal layer is arranged on the substrate. A plurality of nano metal slits is arranged on the metal layer and periodically arranged while having a size smaller than incident wavelengths. The fluorescent substance layer or nonlinear substance layer is arranged between the substrate and metal layer and generates lights of different frequencies.
Abstract:
PURPOSE: A producing method of a printed product capable of preventing the counterfeiting and copying is provided to generate interference when copying the product with the original document. CONSTITUTION: A printed product capable of preventing the counterfeiting and copying includes a background portion and a latent image portion formed with groups having plural dots(10) arranged with the regular interval. The groups(11) forming the background portion and the groups(12) forming the latent image portion have the same shapes and the different sizes. The dots forming the background portion and the dots forming the latent image portion have the same shapes and the different sizes. The size of the dots is 10-300 micrometers.