Printing decoration film with stereoscopic effect, and its decoration plastic product

A technology of three-dimensional effect and decorative film, which is applied to the printing of special varieties of printed matter, special decorative structures, and techniques for producing decorative surface effects, etc., and can solve problems such as unrevealed three-dimensional visual effects

Inactive Publication Date: 2014-08-06
黄瑜贞
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Although Taiwan's new patent 432782 mentions the use of digital printing technology to print on the prism structure, the purpose of the prism structure

Method used

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  • Printing decoration film with stereoscopic effect, and its decoration plastic product
  • Printing decoration film with stereoscopic effect, and its decoration plastic product
  • Printing decoration film with stereoscopic effect, and its decoration plastic product

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0067] Using a transparent sheet with a hemispherical lens on one side, the Korean company Kolon's MLF The hemispherical lens film, its transparent sheet is a 188 micron thick polyethylene terephthalate (PET) optical film, with a heat distortion temperature of 120°C, and contains a 42 micron high hemispherical lens, which is ultraviolet Hardened acrylic hemispherical lens, heat deflection temperature 180°C. 120 centimeters long and 80 centimeters wide, its hemispherical lenses have a density of about 70,000 lenses per square inch. An industrial-grade digital inkjet printing machine exposed to ultraviolet rays, printing a printing layer 2 with a precise pattern on the surface of the hemispherical lens, with a pattern precision of 600 dots per inch (equivalent to 360,000 dots per square inch), thus forming Three-dimensional printed decorative film. The printing resolution of this example is 5 times of the density of the lens, and the obtained decorative film has excellent thr...

Embodiment 2

[0069] Utilizes an 80 micron thick triacetate optical film with a heat deflection temperature of 80°C containing 20 micron high hemispherical lenses, which are UV hardened hemispherical lenses, which are Epoxy resin (Epoxy) heat distortion temperature 250 ° C. 120 centimeters long and 80 centimeters wide, its hemispherical lenses have a density of about 50,000 lenses per square inch. An industrial-grade digital inkjet printing machine exposed to ultraviolet rays, printing a printing layer 2 with a precise pattern on the surface of the hemispherical lens, with a pattern precision of 800 dots per inch (equivalent to 640,000 dots per square inch), thus forming Three-dimensional printed decorative film. The printing resolution of this example is 13 times the density of the lens, and the obtained decorative film has excellent three-dimensional printing effect and pattern resolution.

Embodiment 3

[0071] Using an acrylic sheet with hemispherical lenses on one side, 120 cm long and 80 cm wide, the density of the hemispherical lenses is 70,000 lenses per square inch. Like the printing precision and printing process of Embodiment 1, the printing layer 2 printed with precise patterns has a pattern precision of 1300 dots per inch (equivalent to 1.69 million dots per square inch), thus forming a three-dimensional printed decoration membrane. The printing resolution of this example is 24 times the density of the lens, and the obtained decorative film has an excellent three-dimensional printing effect, but the pattern resolution is obviously reduced.

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Abstract

The invention relates to a printing decoration film with a stereoscopic effect, and its decoration plastic product. The printing decoration film with a stereoscopic effect includes a transparent sheet, one side or each of two sides of the transparent sheet comprises a concave-convex structure and a printing layer; and the transparent sheet is a thermoplastic plastic sheet, and the thermal deformation temperature of the concave-convex structure is above 50DEG C higher than that of the transparent sheet. A reflection layer is arranged on or below the printing layer, and can be a reflection powder coat, a metal plated film or a high-refractive-index material coat. The concave-convex structure is a lens structure, and is selected from a prism, a hemispherical lens, a semi-cylindrical lens, a pyramid lens or a Fresnel lens.

Description

technical field [0001] The invention relates to a decorative film which uses printing technology to print a pattern on a transparent lens sheet so that the printing layer changes with the concave-convex structure of the lens surface to produce a visually three-dimensional depth of field effect. Then apply the decorative film to the in-mold decoration technology to form beautiful surface decorative plastic products, which are mainly used in mobile phones, keyboards, notebook computers, computer casing decoration industries, information industries, communication industries, automobile and motorcycle industries, game machines, Surface decoration and functional panels for cosmetics, general daily necessities, stationery, sports equipment, etc. Background technique [0002] The so-called in-mold decoration technology is to use various printing technologies to color-print the surface of the film, and then put it into a plastic mold for injection molding after hot-pressing three-di...

Claims

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Application Information

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IPC IPC(8): B44C5/00B32B3/28B32B15/08B29C45/14G02B30/27
CPCB44C1/1712B41M3/06G02B30/27
Inventor 黄瑜贞
Owner 黄瑜贞
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