阅读说明：本技术 一种多彩变幻的外壳装饰片及其制备方法 (Colorful changeable shell decorative sheet and preparation method thereof ) 是由 刘南柳 王�琦 张国义 于 2019-09-29 设计创作，主要内容包括：本发明涉及装饰配件技术领域,具体是涉及一种多彩变幻的外壳装饰片及其制备方法,本发明的外壳装饰片包括壳体本体,所述壳体本体为由若干片高硬度双折射的晶体材料片制成的壳体结构,所述壳体本体设有微结构图案,本发明采用高硬度双折射的晶体材料制成装饰片,双折射晶体材料经多光束的干涉形成炫目的多彩效果,并能随着入射光的变化而产生变化,富有色彩变幻,使用效果好；本发明的制备方法,工艺简单,制备容易,满足工业化生产需求。(The invention relates to the technical field of decorative accessories, in particular to a colorful changeable shell decorative sheet and a preparation method thereof, wherein the shell decorative sheet comprises a shell body, the shell body is of a shell structure made of a plurality of high-hardness birefringent crystal material sheets, and the shell body is provided with a microstructure pattern; the preparation method disclosed by the invention is simple in process and easy to prepare, and meets the industrial production requirements.)

1. The colorful changeable shell decorative sheet comprises a shell body and is characterized in that the shell body is of a shell structure made of a plurality of high-hardness birefringent crystal material sheets, and the shell body is provided with a microstructure pattern.

2. A colorful illusion shell decorative sheet as claimed in claim 1, wherein the high-hardness birefringent crystal material of the shell body is quartz crystal or alumina crystal, and a transition layer is arranged between the adjacent high-hardness birefringent crystal material sheets.

3. A colorful change casing decorative sheet according to claim 2, wherein the transition layer is filled with any one or a combination of air, organic polymer material or inorganic material.

4. A multi-color changing skin decorative sheet of claim 2, further comprising an artificial light source mounted to the housing body.

5. A multi-color changing casing decorative sheet according to claim 4, wherein the artificial light source is any one or combination of incandescent lamp, fluorescent lamp, energy saving lamp, fluorescent lamp and LED.

6. A multi-color changing cover decorative sheet according to claim 4, wherein the shape of said artificial light source is any one or combination of point, surface, line and irregular shape.

7. A multi-color changing cover decorative sheet according to claim 1, wherein the micro-structure pattern is in the shape of any one or a combination of cones, trapezoids, prisms, columns, water drops and irregular shapes.

8. The colorful changeable shell decorative sheet of claim 1, wherein the plurality of micro-structural patterns are arranged in the shell body in a uniform distribution manner, and the plurality of micro-structural patterns are in any one or a combination of any one of a circle, a square, a hexagon, a triangle, a cross, a rice shape and a spiral shape.

9. A multi-color changing cover decorative sheet according to claim 8, wherein the micro-structured patterns are sized between 1 square micron and 1000 square microns, and a plurality of the micro-structured patterns are arranged in series or at intervals.

10. A multi-color changing cover trim piece according to claim 1, wherein the micro-structured pattern is provided as a solid structure or a hollow structure.

11. A multi-color changing cover trim piece according to claim 1, wherein the hollow structure is configured as an upright structure or an inverted structure.

12. The method for preparing a multicolor change shell decorative sheet according to any one of claims 1 to 11, comprising the following steps:

s1: preparing a high-hardness birefringent crystal material into a sheet with a required size;

s2: subjecting the sheet prepared in S1 to single-sided or double-sided lapping and polishing treatment;

s3: carrying out patterning treatment on the surface of the sheet subjected to the S2 treatment to prepare a microstructure pattern;

s4: annealing the sheet processed by the S4 to remove stress and microcracks;

s5: and assembling the plurality of sheets processed by the S4, the transition layer material and the artificial light source together to obtain the decorative sheet.

13. The method for preparing a colorful changeable shell decorative sheet as claimed in claim 8, wherein the microstructure pattern produced by S4 is surface-modified to optimize the microstructure pattern.

Technical Field

The invention relates to the technical field of decorative accessories, in particular to a colorful and changeable shell decorative sheet and a preparation method thereof.

Background

The rapid development and popularization of intelligent electronic products bring great convenience to our lives, become indispensable tools in people's work and life, the color of its shell can attract customers, and improve customer's purchase desire, can bring better use experience simultaneously, but the shell of current electronic product, such as cell-phone, panel, computer and TV daily use electronic product, its shell mostly chooses to use materials such as metal, plastics to make, the shell color that makes is single, lack appeal, user experience is poor.

Chinese patent CN201717905U discloses a multilayer structure using polymer material layers and color paint, which improves the appearance with single color, but the metal mobile phone case used by it shields millimeter waves and cannot be adapted to 5G usage, while the plastic case used by it has the problems of low hardness and poor wear resistance, and is easy to scratch and damage; the zirconia ceramic has good toughness and high hardness and good wear resistance, is popular in the industry in recent years, and is called to be developed to be applied to a future mobile phone shell, but the zirconia ceramic has single color and unattractive appearance, Chinese patent CN201710142692.7 adopts the mixture sintering of high polymer and inorganic coloring agent to obtain materials with different colors, and simultaneously improves the mechanical property of the ceramic, but the zirconia ceramic mobile phone shell prepared by the improved scheme can only manufacture single color, and the color is determined and can not be changed during manufacturing, Chinese patent CN201720543071.5 designs various texture pattern structures on the mobile phone shell decorative sheet, realizes the non-linear light and shadow effect which can be changed along with the observation angle, but the patterns are bright stripes with different light and shade, have no color change, and can not provide the shell decorative sheet with dazzling appearance.

In view of the above technical problems, there is a need to provide a new decorative cover for a housing, which can better solve the above technical problems.

Disclosure of Invention

In order to solve the problems, the invention provides the colorful and changeable shell decorative sheet and the preparation method thereof, and the decorative sheet has colorful and changeable colors and good decorative effect; the preparation method disclosed by the invention is simple in process and easy to prepare, and meets the industrial production requirements.

The technical scheme adopted by the invention is as follows: the colorful changeable shell decorative sheet comprises a shell body, wherein the shell body is of a shell structure made of a plurality of high-hardness birefringent crystal material sheets, and the shell body is provided with a microstructure pattern.

As a preferable technical solution, the high-hardness birefringent crystal material of the housing body is a quartz crystal or an alumina crystal, a transition layer is arranged between adjacent high-hardness birefringent crystal material pieces, and the microstructure pattern is arranged at a connection position of the housing body and the transition layer.

As a preferred technical solution, the transition layer is filled with any one or a combination of air, an organic polymer material or an inorganic material.

As a preferred technical scheme, the light source device further comprises an artificial light source, and the artificial light source is mounted on the shell body.

As a preferable technical scheme, the artificial light source is any one or a combination of any several of incandescent lamps, fluorescent lamps, energy-saving lamps, fluorescent lamps and LEDs.

As a preferable technical solution, the shape of the artificial light source is any one or a combination of any several of a point shape, a surface shape, a line shape and an irregular shape.

As a preferable technical solution, the shape of the microstructure pattern is any one or a combination of any several of a cone, a trapezoid, a terrace, a column, a water drop and an irregular shape.

As a preferred technical scheme, the plurality of microstructure patterns can be arranged in a circular shape, a square shape, a hexagonal shape, a triangular shape, a cross shape, a meter shape and a spiral shape, or a combination of any number of the plurality of microstructure patterns, and are uniformly distributed and arranged on the shell body.

As a preferable technical solution, the size of the microstructure pattern is set to be 1 square micrometer to 1000 square micrometers, and a plurality of the microstructure patterns are arranged continuously or at intervals.

As a preferable technical solution, the microstructure pattern is provided as a solid structure or a hollow structure.

Preferably, the hollow structure is an upright structure or an inverted structure.

A preparation method of a colorful and changeable shell decorative sheet comprises the following preparation steps:

s1: preparing a high-hardness birefringent crystal material into a sheet with a required size;

s2: subjecting the sheet prepared in S1 to single-sided or double-sided lapping and polishing treatment;

s3: carrying out patterning treatment on the surface of the sheet subjected to the S2 treatment to prepare a microstructure pattern;

s4: annealing the sheet processed by the S4 to remove stress and microcracks;

s5: and assembling the plurality of sheets processed by the S4, the transition layer material and the artificial light source together to obtain the decorative sheet.

As a preferable technical solution, the microstructure pattern produced through S4 is subjected to surface modification to optimize the microstructure pattern.

The invention has the following beneficial effects:

1. compared with the prior art, on the one hand, the shell decorating sheet is made of high-hardness crystal materials, is wear-resistant, cannot generate scratches, is durable in use, and cannot shield 5G long-wave signals; in a second aspect: the invention directly carries out the graphic preparation on the surface layer of the crystal material, compared with the method of attaching the graphic on the shell, the preparation process is simpler, the cost is lower, the phenomenon of falling and deformation of the graphic can not occur in the using process, and the user experience effect is good; in the third aspect, the invention utilizes the double refraction and dispersion of the crystal, forms dazzling colorful effect through the interference of multiple beams, can change along with the change of incident light, gives users a novel experience, and overcomes the problems that the existing decorative sheet has single shadow and color and is easy to cause aesthetic fatigue of users; in the fourth aspect, the decorative sheet can also be used for walls with decorative requirements, advertisements and the like, and has wide application range and good use effect.

2. The preparation method disclosed by the invention is simple in process and easy to prepare, and meets the industrial production requirements.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the colorful light and shadow effect of the decoration sheet of the present invention;

FIG. 3 is a schematic view of another perspective color effect of the decorative sheet of the present invention;

FIG. 4 is a schematic view of a multi-view multi-color effect of the decoration sheet of the present invention;

description of reference numerals: 1. the light source comprises a shell body, 2 crystal sheets, 3 microstructure patterns, 4 transition layers and 5 artificial light sources.

Detailed Description

The invention will be further described with reference to the accompanying drawings.

As shown in fig. 1 to 4, the colorful and changeable shell decoration sheet of the present embodiment includes a shell body 1, the shell body 1 is a shell structure made of a plurality of crystal material sheets with high hardness and birefringence, the shell body 1 is provided with a microstructure pattern 3, the shell decoration sheet of the present invention adopts a crystal material with high hardness, more specifically, the crystal material with birefringence is selected as the crystal material with high hardness, which can be a single crystal with high visible light transmittance and birefringence, including but not limited to quartz and alumina crystal, which is wear-resistant and will not generate scratches, the crystal material will not shield a 5G long-wave signal, a transition layer 4 is provided between the adjacent crystal material sheets with high hardness and birefringence, the microstructure pattern is provided at the connection position of the shell body 1 and the transition layer 4, the present invention directly performs pattern preparation on the surface layer or in the transition layer 4 of the crystal material, compared with the mode that the pattern is attached to the shell, the cost is lower, the phenomenon that the pattern falls and deforms in the using process can be avoided, the user experience effect is good, the dazzling colorful effect is formed through the interference of multiple beams by utilizing the double refraction and the dispersion effect of the crystal, the change can be generated along with the change of incident light, the novel experience is brought to the user, the problems that the existing decorative sheet is single in light shadow and color and easy to cause aesthetic fatigue of the user are solved, in addition, the decorative sheet can also be used for walls, advertisements and the like with decoration requirements, the application range is wide, and the using effect is good.

In some specific embodiments, the transition layer 4 is filled with any one or a combination of any one of air, an organic polymer material and an inorganic material, and by arranging the transition layer 4, the refractive index of the transition layer 4 is different from that of the shell body 1, so that the refraction route of the light path can be changed, and colorful light can be formed.

In other embodiments, the light source device further comprises an artificial light source 5, wherein the artificial light source 5 is installed on the housing body 1, specifically, the artificial light source 5 of the present invention can be installed on the upper, lower and periphery of the crystal material sheet, the artificial light source 5 is any one or combination of incandescent lamp, fluorescent lamp, energy-saving lamp, fluorescent lamp and LED, the shape of the artificial light source 5 is set to be any one or combination of any more of a point shape, a surface shape, a line shape and an irregular shape, and by arranging the artificial light source 5, when the invention is used, the decorative sheet of the invention forms colorful light shadow under the irradiation of the artificial light source 5 or natural light, and according to the different settings of the specific artificial light source 5, can form multiple colorful shadow for 1 color of casing body is rich in the change more, has more decorativeness, and convenient to use brings better use experience.

In some optional embodiments, the shape of the microstructure pattern 3 is set as any one or a combination of any several of a cone, a trapezoid, a terrace, a cylinder, a water drop and an irregular shape, the microstructure pattern 3 may be provided in several numbers, the several microstructure patterns 3 are in any one or a combination of any several of a circle, a square, a hexagon, a triangle, a cross, a square, and a spiral shape, the shape herein includes the aforementioned several shapes, but is not limited to the aforementioned several shapes, the size of the microstructure pattern 3 in this embodiment is set to be between 1 square micrometer and 1000 square micrometers, the microstructure patterns 3 are uniformly distributed and arranged on the housing body 1, when being arranged, the several microstructure patterns 3 are continuously arranged or alternately arranged, the microstructure pattern 2 is set as a solid or hollow structure, wherein the microstructure pattern 2 set as a hollow structure may be set as an upright or inverted structure, by arranging the microstructure patterns 3 with different shapes and combining the microstructure patterns 3 with the same or different shapes into different shapes, the color of the shell is richer in change and more decorative.

The preparation method of the colorful and changeable shell decorative sheet comprises the following preparation steps:

s1: making the crystal material into a sheet 2 with a required size;

s2: carrying out surface grinding and polishing treatment on the sheet 2 prepared in the S1, wherein single-side polishing or double-side polishing is adopted during polishing treatment;

s3: carrying out patterning treatment on the surface of the sheet 2 subjected to the S2 treatment to prepare a microstructure pattern 3, carrying out surface modification on the microstructure pattern 3, and optimizing the microstructure pattern 3;

s4: annealing the sheet 2 subjected to the S4 process to remove stress and microcracks;

s5: assembling a plurality of slices 2 processed by S4 with an artificial light source 5, arranging a transition layer 4 between the slices 2, wherein the transition layer 4 is selected from any one or more of air, organic polymer materials or inorganic materials, or arranging different transition layers 4 between different slices 2 to provide more variable refractive indexes, thereby realizing colorful change of colors, arranging the transition layer 4 to obtain the shell decoration sheet, and when arranging the transition layer 4, bonding and filling the specifically selected transition layer materials between crystal materials to form the transition layer 4.

The preparation method of the invention has simple process and easy preparation, and is convenient for industrialized manufacturing and application.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.