A decorative cover plate with liquid crystal pattern

Abstract

The utility model relates to the technical field of decorative cover bodies, a decorative cover plate with a liquid crystal pattern, comprising a transparent base plate, an adhesive layer, a liquid crystal layer, a pattern layer, a texture layer, an electroplating layer, an ink layer, and a hardening layer, wherein the hardening layer is arranged on the upper surface of the transparent base plate, and the liquid crystal layer, the pattern layer, the texture layer, the electroplating layer, and the ink layer are arranged in sequence below the transparent base plate, the transparent base plate and the liquid crystal layer are bonded and connected by an adhesive layer, and a local printing layer is also arranged on the transparent base plate between the transparent base plate and the liquid crystal layer, through a multi-layer stacking structure, a liquid crystal layer with a pattern is bonded to the bottom surface of the transparent base plate, and then UV transfer texture, electroplating, and printing ink are sequentially performed on the liquid crystal layer, and then the upper surface is cured, and after curing, it is cut to form a decorative cover plate with a liquid crystal pattern. The decorative cover plate with this structure has the physical texture of the liquid crystal pattern, and the appearance is fashionable and beautiful, which greatly improves the appearance effect and competitiveness of the product.

Description

Technical Field

[0001] The utility model relates to the technical field of decorative covers, in particular to a decorative cover plate with liquid crystal patterns. Background Art

[0002] With the development of the times, smartphones are becoming more and more important in people's lives, and there are more and more types of mobile phones. The appearance of the mobile phone is particularly important when purchasing. The material, craftsmanship and color of the mobile phone shell affect people's choices; there are also some decorative covers on high-end objects, such as car interiors, luxury storage boxes, etc., which all need to have different visual effects for customers to choose.

[0003] In the production and processing of some decorative covers, the methods of implementation include injection molding and glass high-pressure forming with anti-exposure film and plate high-pressure forming. Although single-color and multi-color combinations can be achieved in terms of patterns and colors, it is still difficult to achieve liquid crystal effects at the same time with existing technical solutions. The process expression is not broad enough, so there are many limitations in design.

[0004] How to make the decorative cover plate obtain the physical texture with the liquid crystal pattern and improve the appearance of the product is a problem that needs to be solved at present. Utility Model Content

[0005] The purpose of the utility model is to provide a decorative cover plate with a liquid crystal pattern in view of the deficiencies in the prior art. The structure of the decorative cover plate is simple. Through a multi-layer stacked structure, a liquid crystal layer with a pattern is bonded to the bottom surface of a transparent base plate, and then UV transfer texture, electroplating, and printing ink are sequentially performed on the liquid crystal layer. The upper surface is then cured and cut after curing to form a decorative cover plate with a liquid crystal pattern. The decorative cover plate with this structure has the physical texture of the liquid crystal pattern, a fashionable appearance, and a high aesthetics, which greatly improves the product appearance effect and enhances the product competitiveness.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A decorative cover plate with a liquid crystal pattern comprises a transparent base plate, an adhesive layer, a liquid crystal layer, a pattern layer, a texture layer, an electroplating layer, an ink layer, and a hardening layer, wherein the hardening layer is arranged on the upper surface of the transparent base plate, and the liquid crystal layer, the pattern layer, the texture layer, the electroplating layer, and the ink layer are arranged in sequence below the transparent base plate, the transparent base plate and the liquid crystal layer are bonded and connected by the adhesive layer, and a local printing layer is also arranged on the transparent base plate between the transparent base plate and the liquid crystal layer.

[0008] The transparent base plate is any one of a PC plate, a PMMA plate, a PET plate, an ABS plate, a PVC plate, a glass fiber plate, or any combination thereof, and the thickness of the transparent base plate is 0.25 mm to 0.8 mm.

[0009] The adhesive layer is any one of UV liquid adhesive, hot melt adhesive, pressure sensitive adhesive, epoxy resin adhesive, anaerobic adhesive, and latex.

[0010] The pattern layer is any one of offset printing, gravure printing, screen printing and inkjet printing.

[0011] The texture layer is any one of UV liquid ultraviolet curing glue and PU thermal curing glue.

[0012] The electroplating layer is formed by any one of resistive evaporation plating, magnetron sputtering plating and electron gun evaporation plating, and the thickness of the electroplating layer is 50nm-500nm.

[0013] The ink layer and the partial printing layer are any one of solvent-based ink, UV-based ink, water-based ink and resin-based ink, and have a thickness of 0.01 mm to 0.1 mm.

[0014] First, the LOGO and character patterns are partially printed on the lower surface of the transparent base sheet, and the pattern is printed on the coil. After the pattern is printed, a layer of liquid crystal layer is applied, and then the coil is removed, and the liquid crystal layer is pasted to the transparent base sheet with the LOGO and character patterns printed on it. After pasting, UV transfer texture, electroplating, and printing ink are performed on the pattern layer under the liquid crystal layer in sequence, and then a hardening layer is added to the upper surface of the transparent base sheet. Finally, it is cut to form a decorative cover plate with a 2D structure, or a 3D structure is formed by high pressure molding, and then cut to form a 3D structure mobile phone back cover.

[0015] The beneficial effects of the utility model are as follows: a decorative cover plate with a liquid crystal pattern, comprising a transparent base plate, an adhesive layer, a liquid crystal layer, a pattern layer, a texture layer, an electroplating layer, an ink layer, and a hardening layer, wherein the hardening layer is arranged on the upper surface of the transparent base plate, and the liquid crystal layer, the pattern layer, the texture layer, the electroplating layer, and the ink layer are arranged in sequence below the transparent base plate, the transparent base plate and the liquid crystal layer are bonded and connected by the adhesive layer, and a local printing layer is also arranged on the transparent base plate between the transparent base plate and the liquid crystal layer, through a multi-layer stacking structure, a liquid crystal layer with a pattern is bonded to the bottom surface of the transparent base plate, and then UV transfer texture, electroplating, and printing ink are sequentially performed on the liquid crystal layer, and then the upper surface is cured, and after curing, it is cut to form a decorative cover plate with a liquid crystal pattern, and the decorative cover plate with this structure has the physical texture of the liquid crystal pattern, a fashionable appearance, and a high aesthetics, which greatly improves the product appearance effect and enhances the product competitiveness. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of the utility model

[0017] Figure 2 It is a process flow chart of the utility model. DETAILED DESCRIPTION

[0018] See Figure 1 As shown: The utility model is a decorative cover with a liquid crystal pattern, comprising a transparent base plate 1, an adhesive layer 2, a liquid crystal layer 3, a pattern layer 4, a texture layer 5, a plating layer 6, an ink layer 7, and a hardening layer 8. The hardening layer 8 is arranged on the upper surface of the transparent base plate 1, and the liquid crystal layer 3, the pattern layer 4, the texture layer 5, the plating layer 6, and the ink layer 7 are arranged in sequence below the transparent base plate 1. The transparent base plate 1 and the liquid crystal layer 3 are bonded and connected by the adhesive layer 2, and a local printing layer 9 is also arranged on the transparent base plate 1 between the transparent base plate 1 and the liquid crystal layer 3.

[0019] The transparent base plate 1 is any one of a PC plate, a PMMA plate, a PET plate, an ABS plate, a PVC plate, and a glass fiber plate, and any combination thereof. The thickness of the transparent base plate 1 is 0.25 mm to 0.8 mm.

[0020] The adhesive layer 2 is any one of UV liquid adhesive, hot melt adhesive, pressure sensitive adhesive, epoxy resin adhesive, anaerobic adhesive, and latex.

[0021] The pattern layer 4 is any one of offset printing, gravure printing, screen printing and inkjet printing.

[0022] The texture layer 5 is any one of UV liquid ultraviolet curing glue and PU thermal curing glue.

[0023] The electroplating layer 6 is formed by any one of resistive evaporation plating, magnetron sputtering plating and electron gun evaporation plating, and the thickness of the electroplating layer 6 is 50nm-500nm.

[0024] The ink layer 7 and the partial printing layer 9 are any one of solvent-based ink, UV-based ink, water-based ink, and resin-based ink, and the thickness is 0.01 mm-0.1 mm.

[0025] See Figure 2 Shown: Process flow chart for manufacturing a decorative cover with a liquid crystal pattern.

[0026] In the first step, a transparent base plate 1 is used, and the material is any one of PC plate, PMMA plate, PET plate, ABS plate, PVC plate, glass fiber plate, or a composite or combined material of the above materials, and a LOGO and character pattern are printed on the local printing layer 9 on the lower surface of the transparent base plate 1, and a hardening layer 8 is added on the upper surface of the transparent base plate 1;

[0027] In the second step, after printing the pattern layer 4 on the coil, a layer of liquid crystal layer 3 is coated on the surface, and then cured by ultraviolet light, and the coil is removed after curing;

[0028] The third step is to use any one of UV liquid glue, hot melt glue, pressure sensitive glue, epoxy resin adhesive, anaerobic glue, and latex to adhere the transparent base plate 1 and the liquid crystal layer 3 through the adhesive layer 2;

[0029] Step 4: Use UV liquid ultraviolet curing glue or PU heat curing glue to transfer UV texture layer 5 on pattern layer 4;

[0030] The fifth step is to coat the surface after UV transfer by any method of resistive evaporation plating, magnetron sputtering plating, or electron gun evaporation plating, using elements such as indium, tin, zirconium, chromium, silicon, titanium, and oxides of the aforementioned elements to add a plating layer 6 with a thickness of 50nm-500nm;

[0031] Step 6: After adding the electroplating layer 6, a bottom ink layer 7 with a thickness of 0.01 mm to 0.10 mm is printed. The bottom ink can be any one of solvent-based ink, UV-based ink, water-based ink, and resin-based ink.

[0032] Step 7: Cut the back cover of the mobile phone to form a 2D structure;

[0033] or:

[0034] The seventh step is to form a 3D structure sheet by high pressure molding (mold temperature 100-150℃, pressure 100-200KG, baking temperature 250-400℃, holding time 10-60S);

[0035] The eighth step is to cure the high pressure formed 3D structure sheet with ultraviolet light (ultraviolet curing energy 500-1500MJ, light intensity 100-500WM, temperature 40-70℃, time 5-20S);

[0036] Finally, a 3D structured solid-structured smartphone back cover is formed through CNC cutting, laser cutting, or die punching.

[0037] The utility model discloses a decorative cover plate with a liquid crystal pattern. A liquid crystal layer with a pattern is bonded to the bottom surface of a transparent base plate, UV transfer texture, electroplating, and printing ink are sequentially performed on the liquid crystal layer, and then the upper surface is cured. After curing, the decorative cover plate with the liquid crystal pattern is cut to form a decorative cover plate. The decorative cover plate with this structure has the physical texture of the liquid crystal pattern and a fashionable appearance, which greatly improves the appearance effect of the product and enhances the competitiveness of the product. In addition, the liquid crystal pattern has a high aesthetic effect, and compared with other processes, one electroplating process is saved, which can reduce costs.

[0038] The above description is only a preferred embodiment of the present utility model, so all equivalent changes or modifications made according to the structure, features and principles described in the scope of the present utility model patent application are included in the scope of the present utility model patent application.

Claims

1. A decorative cover plate with a liquid crystal pattern, comprising a transparent base plate (1), an adhesive layer (2), a liquid crystal layer (3), a pattern layer (4), a texture layer (5), an electroplating layer (6), an ink layer (7), and a hardening layer (8), characterized in that: The hardened layer (8) is arranged on the upper surface of the transparent base plate (1); a liquid crystal layer (3), a pattern layer (4), a texture layer (5), a plating layer (6), and an ink layer (7) are arranged in sequence below the transparent base plate (1); the transparent base plate (1) and the liquid crystal layer (3) are bonded and connected via an adhesive layer (2); and a local printing layer (9) is also arranged on the transparent base plate (1) between the transparent base plate (1) and the liquid crystal layer (3).

2. The decorative cover plate with a liquid crystal pattern according to claim 1, characterized in that: The transparent base plate (1) is any one of a PC plate, a PMMA plate, a PET plate, an ABS plate, a PVC plate, and a glass fiber plate, or any combination thereof, and the thickness of the transparent base plate (1) is 0.25 mm to 0.8 mm.

3. The decorative cover plate with a liquid crystal pattern according to claim 1, characterized in that: The adhesive layer (2) is any one of UV liquid adhesive, hot melt adhesive, pressure sensitive adhesive, epoxy resin adhesive, anaerobic adhesive, and latex.

4. The decorative cover plate with a liquid crystal pattern according to claim 1, characterized in that: The pattern layer (4) is any one of offset printing, gravure printing, screen printing and inkjet printing.

5. The decorative cover plate with a liquid crystal pattern according to claim 1, characterized in that: The texture layer (5) is any one of UV liquid ultraviolet curing glue and PU thermal curing glue.

6. The decorative cover plate with a liquid crystal pattern according to claim 1, characterized in that: The electroplating layer (6) is formed by any one of resistive evaporation plating, magnetron sputtering plating, and electron gun evaporation plating, and the thickness of the electroplating layer (6) is 50 nm-500 nm.

7. The decorative cover plate with a liquid crystal pattern according to claim 1, characterized in that: The ink layer (7) and the partial printing layer (9) are any one of solvent-based ink, UV-based ink, water-based ink, and resin-based ink, and have a thickness of 0.01 mm to 0.1 mm.

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