KR20110128507A - Pattern film, protection cover and manufacturing method of the same - Google Patents

Abstract

PURPOSE: A cubic pattern film, a protection cover, and manufacturing method thereof are provided to protect the surface of deposition materials using a cubic pattern film having thin thickness and a cubic pattern. CONSTITUTION: A cubic pattern film comprises a base film layer(10), a cubic pattern layer(20), an adhesion layer(30), and hard coating layer(40). The cubic pattern layer is formed in the lower side of the base film layer. The cubic pattern layer is formed ultraviolet curable resin including at least one among unsaturated acrylic resins. The adhesion layer selects a emulsion type as adhesion of a silicon group, an acryl group, a hot melt group, or an olefin group of the cubic pattern layer. The hard coating layer is formed on the top of the base film layer. The hard coating layer is used in order to protect the cubic pattern film from the outer scratch.

Description

3D pattern film, protection cover and manufacturing method thereof {Pattern film, protection cover and manufacturing method of the same}

The present invention relates to a three-dimensional pattern film, a protection cover and a manufacturing method thereof, and more particularly, to a three-dimensional pattern film having a three-dimensional pattern and a method of manufacturing the three-dimensional pattern film, using the three-dimensional pattern film produced by the method A method of making a cover and a protection cover made by the method are provided.

In general, a case or a protective sheet is used to protect an article from home appliances, furniture, portable electronic devices, office supplies, interior and exterior materials of a vehicle from external shocks, dust and foreign substances.

In particular, due to the development of information and communication technology, portable electronic devices such as mobile phones and PDAs are small and light, and are equipped with a protective case in order to protect goods by being advanced and expensive with various additional functions.

As a method of protecting such articles, there is a method of attaching a protective sheet or mounting a hard case. When the protective sheet is attached first, the adhesive may be attached to the surface of the article by the adhesive and the physical properties of the adhesive when the sheet is later removed, or may be removed together with the coating surface to damage the article itself.

In addition, the case of the mobile phone is not only decorative function with decorative patterns and images, but also protects the mobile phone from external shocks, prevents scratches and breaks of the liquid crystal, and improves the hand feel and the touch of the mobile phone. It is used to beautifully decorate the exterior.

Recently, as mobile phones have added functions such as media player digital cameras and digital storage devices as well as telephone functions, expensive mobile phones have been released, and users want to protect the appearance of the mobile phones from scratches or external shocks. Conventional protective sheet, protective cover or protective case has a high defect rate, such as bubbles are generated, it is difficult to attach, such as wrinkles when the adherend is attached, the protective sheet is a three-dimensional or curved portion of the adhered surface due to the characteristics of the flat sheet There are disadvantages that are difficult to apply to. In addition, the protective case has a drawback due to the inherent physical properties of the fabric is easily cracked, scratches, warpage, yellowing phenomenon, etc. There is a limit to lower the thickness of the protective case itself has a dull and poor texture.

In addition, in the case of a general mobile phone case, a problem of causing scratches on the device by attaching or detaching the case by using a polycarbonate (PC) material as a method of detaching and detaching the case, and a product which decorates by attaching fibers or metal to the outside of the case Since the decorative beauty is limited, there is a problem in that the sense of unity and grip with the device is not only low in completeness and satisfaction, but also damaged due to failure to absorb shock.

In addition, the soft case made of vinyl or artificial leather has a poor appearance and discolors over time, dull touch when the button is pressed, and scratches can be prevented, but protection against external shock is insufficient. There is this.

Therefore, the present invention is derived to solve the above-described problems, and provides a three-dimensional pattern film with a three-dimensional pattern is formed, and also the three-dimensional pattern film that the texture of the three-dimensional pattern is expressed when the thickness of the three-dimensional pattern film is thin. The purpose is to provide.

In addition, the present invention provides a method of manufacturing a three-dimensional pattern film formed with a three-dimensional pattern, using a three-dimensional pattern film prepared by the above method can be easily attached and detached to the adherend, the thickness is thin, the protection cover that provides a sense of unity with the adherend The purpose is to provide a method which can be manufactured.

In addition, the present invention provides a method of manufacturing a soft or hard protective cover having a thin thickness that can protect the adherend from external impact or scratch using the three-dimensional pattern film, the protection cover is the texture of the pattern on the exposed surface Its purpose is to make this representation.

In addition, the object is to provide a rigid protection cover by simultaneously forming a three-dimensional pattern film and the injection molding formed three-dimensional pattern.

Three-dimensional pattern film according to one aspect of the present invention,

A base film layer;

A three-dimensional pattern layer including an intaglio or embossed three-dimensional pattern on one surface of the base film layer and having a thickness of 2 to 30 μm; And

And a hard coating layer provided on the three-dimensional pattern layer.

In addition, the three-dimensional pattern film of the present invention,

A base film layer;

A three-dimensional pattern layer including an intaglio or embossed three-dimensional pattern on one surface of the base film layer and having a thickness of 2 to 30 μm; And

It may be configured to include a hard coating layer provided on the other surface of the base film layer.

In addition, it is preferable to further include a pressure-sensitive adhesive layer on the other surface of the base film layer or the other surface connected to the hard coating layer.

In addition, the three-dimensional pattern film is preferably a printing layer that implements the color or pattern is included in at least one place between the base film layer, three-dimensional pattern layer, hard coating layer, and the pressure-sensitive adhesive layer.

In addition, the three-dimensional pattern film is preferably at least one functional addition layer is included in at least one place between the base film layer, three-dimensional pattern layer, hard coating layer, and the pressure-sensitive adhesive layer.

In addition, the functional addition layer is preferably at least one selected from the group consisting of an electromagnetic wave shielding layer, an antistatic layer, a damage prevention layer, a diffuse reflection prevention layer. 3D pattern film.

In addition, the release film for protecting the adhesive layer is preferably further included.

In addition, the surface protective film for protecting the hard coating layer is preferably further included.

In addition, the three-dimensional pattern of the three-dimensional pattern layer is preferably formed by curing the UV curable resin.

In addition, the pressure-sensitive adhesive layer is preferably used as an emulsion type (Emulsion type) as a silicone-based, acrylic or hot melt (olefin) adhesive.

In addition, the base film layer material is polyurethane, polypropylene oxide, polyisocyanate, hydroxyethyl, polyvinyl chloride, polyethylene terephthalate, monoacrylate, polymethyl methacrylate, polycarbonate, polyethylene, methacrylate, poly It is preferably one selected from the group consisting of propylene, cellulose acetate butyrate, ethylene vinyl acetate, polyvinyl alcohol, propylene oxide, polypropylene, polyethylene, oriented poly propylene (OPP), PVC, and copolymers thereof.

In addition, the three-dimensional pattern film is preferably formed to a thickness of 10 to 1650㎛.

Another aspect of the invention,

A three-dimensional pattern layer forming step of forming a three-dimensional pattern layer having an intaglio or embossed three-dimensional pattern on at least one surface of the provided base film layer with a thickness of 2 to 30 μm; And

A hard coating layer forming step of forming a hard coating layer on one surface of the three-dimensional pattern layer;

It provides a three-dimensional pattern film manufacturing method comprising a.

At this time, it is preferable to further include an adhesive layer forming step of forming an adhesive layer on the opposite surface on which the hard coating layer is formed.

In addition, the three-dimensional pattern layer forming step is a film seating step of applying a UV-curable resin to the pattern-forming mold formed the same pattern as the appearance of the adherend, and seating the base film layer on top of the UV-curable resin;

UV-curable resin curing step of curing the UV-curable resin by UV irradiation after mounting the base film layer; And

And a mold separation step of forming a pattern by separating the pattern forming mold after curing the UV curable resin.

In addition, the three-dimensional pattern film manufacturing method may further include a printing layer forming step of forming a printing layer for implementing a color or a pattern at least one of the base film layer, three-dimensional pattern layer, hard coating layer, and the pressure-sensitive adhesive layer. have.

In addition, the three-dimensional pattern film manufacturing method may further include a functional addition layer forming step of forming a functional addition layer at least one of the base film layer, three-dimensional pattern layer, hard coating layer, and the pressure-sensitive adhesive layer.

Another aspect of the invention,

It provides a protection cover molded to have a surface shape of the adherend including the three-dimensional pattern film described above.

In this case, the protection cover may be molded to have a surface shape of the adherend together with a material capable of providing rigidity.

In addition, the texture of the three-dimensional pattern may be detected on the exposed surface of the protection cover.

Another aspect of the present invention provides a forming mold providing a forming mold having a pattern of the adherend shape;

A three-dimensional pattern film insertion step of inserting the three-dimensional pattern film into the forming mold; And

It provides a protection cover manufacturing method comprising the step of forming a three-dimensional pattern film after inserting the three-dimensional pattern film molding step.

At this time, the temperature in the three-dimensional pattern film forming step is in the range of 70 to 185 ℃, the pressure is preferably 80 to 100Mpa.

In addition, after the three-dimensional pattern film molding step may further include a finishing processing step for processing the edge of the molding.

In addition, the finishing processing step is preferably processed by one method selected from press processing consisting of shear processing, bending processing, drawing processing, molding processing or compression processing.

In addition, the three-dimensional pattern film insertion step may be prepared by inserting a film to give rigidity with the three-dimensional pattern film.

The three-dimensional pattern film according to the aspect of the present invention is a three-dimensional pattern of a variety of designs are formed, the thickness of the three-dimensional pattern film is thin is formed as a visual three-dimensional or three-dimensional pattern of texture to provide a surface stereoscopic feeling.

In addition, the three-dimensional pattern film manufacturing method according to another aspect of the present invention has the effect of providing a variety of fine three-dimensional pattern layer utilizing the design sense.

In addition, the protection cover according to another aspect of the present invention may first provide a soft or hard protection cover according to the characteristics that can protect the surface of the adherend by using a three-dimensional pattern film is thin and three-dimensional pattern is formed. In addition, there is an effect that can be attached to the adherend using the physical properties to return to the second circle, or to easily adhere or attach to the adherend by the adhesive force of the adhesive layer. Third, there is no damage to the adherend, there is an advantage that can be easily removed so that the residue of the adhesive of the protection cover does not remain. Fourth, there is an effect of providing a sense of unity with the device by matching the shape of the adherend, and by forming the exposed surface of the protection cover in the shape of a three-dimensional pattern. Fifth, by simultaneously forming the three-dimensional pattern film and the injection molding through the injection molding machine there is an effect that can provide a protection cover formed with a three-dimensional pattern of the hard case.

Sixth, by forming a UV-curable resin in a three-dimensional pattern using a mold, it is possible to produce a very simple three-dimensional pattern very easily, there is an advantage that can significantly reduce the manufacturing cost.

In addition, since the adhesive layer is formed on the protection cover that matches the shape of the adherend, there is an effect that it is accurately and simply attached without misaligning or incorrectly attaching the position at the time of attachment.

1 to 6 is a view showing a cross section of the three-dimensional pattern film embodiment according to the present invention.
7 is a flowchart illustrating a method of manufacturing a three-dimensional pattern film according to the present invention.

As used herein, the term "comprises" is intended to indicate that there is a feature or step described in the specification, or a combination thereof, in advance the possibility of the presence or addition of one or more other features or steps or a combination thereof. It should be understood that it does not exclude. In addition, the term "formed on" is used to mean a positional relationship formed adjacent to each other, it is used to mean that it can be formed on the lower or upper when the position is changed, between Does not exclude the presence of other components. Unless defined otherwise, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art. In the description of the following embodiments, the adherend includes articles intended to protect surfaces such as interior / exterior materials, home appliances, computers, mobile phones, furniture, desks, book covers, and office supplies. 3 to 5 is a view illustrating an example of a method for manufacturing a three-dimensional pattern film according to another aspect of the present invention in the steps of A to L, and the order is not limited to the order mentioned in the drawings. It can be implemented by various modifications.

The three-dimensional pattern film according to the first embodiment according to the aspect of the present invention includes a base film layer 10, the three-dimensional pattern layer 20, the adhesive layer 30, and the hard coating layer 40 (see Fig. 1). )

The base film layer 10 includes polyurethane, polypropylene oxide, polyisocyanate, hydroxyethyl, polyvinyl chloride, polyethylene terephthalate (PET), monoacrylate, polyacrylate, polymethyl methacrylate, polycarbonate (PC ), Polyethylene, methacrylate, polypropylene, cellulose acetate butylate, ethylene vinyl acetate, polyvinyl alcohol (PVA), propylene oxide, polypropylene, polyethylene, OPP, PVC and copolymers thereof It is preferable.

At this time, if the polyethylene terephthalate (PET) and the polycarbonate (PC) is composed of a copolymer of the material of the base film layer 10, the polyethylene terephthalate (PET) has a property of restoring to a circular shape after forming the polycarbonate Polyethylene terephthalate (PET) can prevent the polycarbonate (PC) from being broken against the curved surface or the like.

The base film layer 10 is preferably a thickness of 4 ~ 1500 ㎛ as a non-limiting example.

The three-dimensional pattern layer 20 is formed on the lower surface of the base film layer 10, acrylic resin, unsaturated polyester resin, epoxy resin, polyurethane resin, polyimide resin, epoxy acrylate, polyester acrylate, polyurethane acrylic It consists of UV-curable resin containing at least one of a resin containing a rate and an unsaturated acrylic resin, It is preferable that thickness is a range of 2-30 micrometers without a limitation.

The three-dimensional pattern layer 20 is a layer having a three-dimensional pattern that is spherical in a variety of colors and patterns, may be configured to form a 3D pattern to implement a visual three-dimensional feeling, it may also feel the actual three-dimensional pattern in a texture. In addition, the three-dimensional pattern of the three-dimensional pattern layer may be formed transparent, in this case, the shape, design, etc. of the actual adherend may be exposed as it is while delivering a sense of depth according to the difference in transparency.

The pressure-sensitive adhesive layer 30 preferably adopts an emulsion type as a silicone-based, acrylic-based, hot melt or olefin-based adhesive of the three-dimensional pattern layer 20.

The pressure-sensitive adhesive layer 30 is selected from the group consisting of silicone pressure-sensitive adhesives mainly composed of silicone rubber and viscoelastic material made of silicone resin, acrylic pressure-sensitive adhesives, acrylic esters or methacrylic acid esters, or olefin oligomers and polyhydric alcohols. When using the product of the olefinic pressure-sensitive adhesive further includes using the interlocking mixture according to the required adhesive strength according to the surface of the adherend.

In addition, the adhesive layer 30 may be provided in an embossed shape to enable reinforcement and easy detachment of a lifting phenomenon, wrinkles, bubbles, etc., which may occur when adhered to an adhered surface. The pressure-sensitive adhesive layer is preferably 2 to 300 µm without limitation.

The hard coating layer 40 is formed on the base film layer 10 to protect the three-dimensional pattern film from an external scratch, the thickness is preferably 2 to 300㎛ without limitation, and is not limited to the material.

The three-dimensional pattern film according to the first embodiment is difficult to feel the texture of the three-dimensional pattern of the three-dimensional pattern layer 20 on the surface, it can implement a visual three-dimensional feeling. In other words, when a 3D solid pattern is inserted, a 3D and a depth can be visually realized.

In the following embodiments, the same components as those in the first embodiment are assigned the same reference numerals.

The three-dimensional pattern film according to the second embodiment according to the aspect of the present invention is the same as the first embodiment except that the stacking order of the base film layer 10 and the three-dimensional pattern layer 20 is reversed. 2) That is, the three-dimensional pattern film of the second embodiment is laminated from the adhesive layer 30, the base film layer 10, the three-dimensional pattern layer 30, the hard coating layer 40 from below.

In the three-dimensional pattern film according to the second embodiment, when the hard coating is thin, the three-dimensional shape of the three-dimensional pattern of the three-dimensional pattern layer 30 is left on the surface, thereby having an effect of feeling the surface texture.

The three-dimensional pattern film of the third embodiment according to the aspect of the present invention is a pattern, letters, colors, between the base film layer 10, the three-dimensional pattern layer 20, the adhesive layer 30, the hard coating layer 40, The printed layer 70 which expresses a figure etc. is formed. Figure 3 shows that the printed layer is located between the three-dimensional pattern layer and the adhesive layer, but those skilled in the art will understand that it may be included in other locations.

The print layer 70 may be formed by using all of a natural drying type, a UV curing type, a thermosetting ink or a coating agent, and may be used with a colorant to realize color. Furthermore, it can form in the to-be-adhered surface or the exposed surface exposed to the exterior according to the condition of strengthening color or three-dimensional feeling of a surface.

The three-dimensional pattern film of the fourth embodiment according to the aspect of the present invention further includes a functional addition layer between the layers of the base film layer 10, the three-dimensional pattern layer 20, the adhesive layer 30, and the hard coating layer 40. do. 4 illustrates an example in which the functional addition layer 80 is included between the three-dimensional pattern layer 20 and the hard coating layer 40.

The functional addition layer 80 may be at least one of an electromagnetic wave shielding layer, an antistatic layer, a damage prevention layer, and an antireflection layer. For example, the electromagnetic wave shielding layer may form a deposition layer formed by depositing chemical particles or metal particles on the adhesion surface. At this time, the deposition layer 13 deposits a metal particle composed of aluminum, copper, silver, platinum, tin, chromium or nickel or a compound in which the metal particles, acryl and urethane are mixed.

The three-dimensional pattern film of the fifth embodiment according to the aspect of the present invention further includes a release film 50 under the adhesive layer 30 in the above-described embodiments. As a result, only the three-dimensional pattern film can be attached to the adherend without applying a pressure-sensitive adhesive (see Fig. 5).

The three-dimensional pattern film of the sixth embodiment according to the aspect of the present invention further includes a surface protection film 60 on the hard coating layer 40 in the above-described embodiments. The surface protection film 60 simply protects the surface of the hard coating layer 40 before use of the product and may protect the three-dimensional pattern film during transportation after manufacture (see FIG. 6).

In addition, the three-dimensional pattern film of the first embodiment to sixth embodiment according to the aspect of the present invention is formed with a three-dimensional pattern layer 20 formed with a three-dimensional pattern of the intaglio or embossed with various patterns, the three-dimensional pattern of The shape, type, structure, etc. are not limited. The three-dimensional pattern film may be manufactured in a thickness of 10 to 1650㎛ thickness, depending on the type of use, the purpose of use and the use of the three-dimensional pattern film, but is not limited to this, less than the three-dimensional pattern film is difficult to manufacture, within the range If it exceeds the texture feel the sense of unity with the adherend which is the object of the present invention. It is preferably 300 to 900 µm for a sense of unity with the adherend while having a surface protective function.

Another aspect of the present invention provides a method of manufacturing a three-dimensional pattern film. The manufacturing method of the three-dimensional pattern film includes a three-dimensional pattern layer forming step and a hard coating layer forming step. A description with reference to FIG. 7 is as follows.

The three-dimensional pattern layer forming step is a step of forming a three-dimensional pattern on one surface of the provided base film layer. In order to form the pattern of the thickness to be achieved in the present invention, the design is set to apply the UV-curable resin (20a) to the formed pattern forming mold 100 of this design and the base film (10) on the top of the UV irradiation It may be achieved by forming the three-dimensional pattern layer 20 of the embossed or intaglio by removing the pattern forming mold 100 after curing with.

The hard coating layer forming step is to form a coating layer for the surface protection on the base film layer 10 on which the three-dimensional pattern layer 20 is formed, a coating agent on the base film layer 10 or the three-dimensional pattern layer 20 It may be formed by coating or laminating with a coating film.

At this time, the adhesive layer forming step may be further included, the adhesive layer 30 is formed on the opposite side on which the hard coating layer 40 is formed. The pressure-sensitive adhesive layer forming step is performed by applying the pressure-sensitive adhesive on the surface. In the adhesive layer forming step, an emulsion type adhesive may be used as a silicone, acrylic, or hot melt or olefin adhesive.

On the other hand, the adhesive layer forming step is a coating process for forming the adhesive layer, the adhesive or adhesive strength is adjusted to the screen player and the adhesive properties and types of solvents and the mixing ratio, spray coating for forming the adhesive material coating layer, rotary screen process, roll Choose from coating process, plate coating process, fine precision coating process, UV coating process, "one stop roll to roll" coating process, flat screen coating process, roll screen coating process, PCB screen coating process, gravure coating process Performing a coating process, and performing a drying and curing process using a dry curing machine of Digital-PID-Auto Tuning temperature control method that ensures precise temperature distribution to prevent damage after the adhesive coating and maintain high quality, In the dry curing process, by applying the appropriate temperature and time according to the material and composition of each fabric and adhesive, coated To prevent vaginal flow, spreading and blowing, irradiate various curing materials such as UV with a quick-drying and quick-drying function, and harden by duct cone bare drying method, hot air and hot wire drying method, thermal drying method, etc. Performing a drying process to evaporate and dry the solvent component in the pressure-sensitive adhesive coated on the plate surface so that only each of the raw material components to be deposited on the layer.

The pressure-sensitive adhesive layer forming step is preferably formed by further comprising a pressure-sensitive adhesive step of mating the pressure-sensitive adhesive layer by attaching a guard fabric having a fine embossed layer formed on the surface after coating the pressure-sensitive adhesive. The fine embossing layer may be formed using a roll, a flat die or a sus mask.

The embossed adhesive layer can be easily attached to and detached from the adherend, and can prevent bubbles and wrinkles from occurring when attaching the three-dimensional pattern film, as well as provide a sense of unity with the adherend device.

The manufacturing method of the three-dimensional pattern film of the present invention may further include a printing layer forming step. For example, the printing layer forming step may be formed using all of the natural drying type, UV curing type, and thermosetting ink to realize color and picture on the base film on which the three-dimensional pattern layer is formed. It includes forming using a colorant of the, and the printing layer may be a hologram layer.

In addition, when the print layer is represented by a single color, the same and uniform color may be implemented by using a front printing method or a coating method, and a part of the three-dimensional pattern layer may be printed on one surface of the three-dimensional pattern layer. It may be. The printing method may form a printed layer by an offset printing method and an inkjet sublimation imaging method in addition to the front printing method and the coating method.

The manufacturing method of the three-dimensional pattern film of the present invention may further include a functional addition layer forming step. The functional addition layer forming step is a step of including at least one layer of the electromagnetic wave shielding layer, antistatic layer, damage prevention layer, diffuse reflection prevention layer in any one of the base film layer, three-dimensional pattern layer, adhesive layer, hard coating layer.

The antistatic coating layer may coat a synthetic resin containing a conductive polymer and a metal component on one surface of the layer formed on the three-dimensional pattern film, or deposit an antistatic thin film to prevent static electricity and prevent dust collection. have.

The damage prevention coating layer prevents scratches and damages of the adhered surface with a damage prevention strengthening coating on the three-dimensional pattern film, and can be cleaned without scratching with a mop when washing, and can prevent damage of the adhered surface from external chemical damage.

The anti-reflective coating layer may form a low gloss coating layer on the three-dimensional pattern film to form a protective film to prevent diffuse reflection generated by external light.

The electromagnetic wave shielding coating layer is mixed with a solvent in a proportion that meets the required conditions of use of ultrafine metal particles and fine carbon paste in a range that does not impair the optical properties of the three-dimensional pattern film, ultra-thin uniform coating and deposition by harmful electromagnetic waves It may be formed by further comprising an electromagnetic shielding coating layer to block.

At this time, the deposition is formed by depositing a metal particle composed of aluminum, copper, silver, platinum, tin, chromium or nickel or a compound mixed with the metal particles, acryl and urethane on the surface to be deposited after the formation of the three-dimensional pattern layer. Can be.

In addition, the functional unit may be made in a manner of giving an additional function to the base film layer or the hard coating layer. That is, the base film or the hard coating material may be formed by mixing a material having a functional addition function.

In the method for producing a three-dimensional pattern film according to another aspect of the present invention, each forming layer may be laminated by a flat plate lamination method, a roller lamination method, and a press work for a small amount of production using a presser with a pressing function. In addition, if necessary, the method further includes preventing the generation of bubbles by simultaneously performing a vacuum process while pressing for 1 second to 3 minutes at a temperature of 20 to 300 ° C. and a pressure of 5 to 110 MPa in a heating and pressing lamination process.

Another aspect of the invention provides a protection cover.

The first embodiment of the protection cover is manufactured by forming a soft protection cover by forming and cutting the above-described three-dimensional pattern film itself according to the surface shape of the adherend. In this case, the protection cover becomes very thin, which increases the sense of unity with the adherend.

In addition, the second embodiment of the protection cover is manufactured by forming a hard protection cover by in-mold injection of a three-dimensional pattern film and a hard film of a material that can give more rigidity to a mold at the same time to have a surface shape of the adherend. . In this case, the protection cover can be used when the thickness is thick and the hardness is high, and the protection of the adherend is important.

On the other hand, the protection cover has the advantage that can save the design and pattern of the adherend when the entire three-dimensional pattern film is made transparent. In addition, since the case itself is flexible, it is easy to be fit and has high adhesion to the adherend, and has the same shape as the adherend, and thus can be easily attached to the adherend after removing the release film attached to the protection cover. The adhesive layer does not leave any residue.

Hereinafter, a method of manufacturing the protection cover will be described. The protection cover includes a forming mold providing step of providing a forming mold having a shape of an adherend, a three-dimensional pattern film inserting step of inserting the three-dimensional pattern film of claim 1 to the forming mold, and the three-dimensional pattern film inserting After the three-dimensional pattern film molding step of forming a shape of the adherend. The temperature of the forming mold during the molding is preferably in the range of 70 to 185 ° C, the pressure of 80 to 100Mpa.

Thereafter, the edge of the prepared protection cover is finished by one method selected from press working consisting of shearing, bending, drawing, molding, or compression. As a result, the three-dimensional pattern film itself may be foamed to manufacture a soft protection cover.

On the other hand, another embodiment of the method of manufacturing the protection cover may be a hard hard protection cover to be put together in a mold with a harder material than the three-dimensional pattern film with a three-dimensional pattern film.

The film used in the production method of the protection cover is not limited to the three-dimensional pattern film. Base film without a three-dimensional pattern itself is 4 ~ 1500㎛ thickness, excluding the adhesive layer and the release film having the shape of the adherend through the forming molding including the forming mold providing step, the film insertion step, and the film forming step, preferably Preferably a thin protection cover of 300 to 900 μm.

At this time, the adhesive layer and the release film on the base film may be formed before or after the forming molding.

As an example of the base film, a transparent protection cover may be manufactured by inserting a transparent (translucent or partially transparent) base film. In this case, there is an effect of transmitting the pattern and pattern of the adherend as it is.

At this time, it is preferable to use the base film including a polyethylene terephthalate (PET) and a polycarbonate (PC). In this case, the polycarbonate (PC) prevents the polyethylene terephthalate (PET) from being restored to the original shape after forming, and the polyethylene terephthalate (PET) prevents the polycarbonate (PC) from being damaged against curved surfaces. Can be.

Those skilled in the art will appreciate that the present invention can be implemented in a modified form without departing from the essential features of the present invention. Therefore, the disclosed embodiments should be considered in an illustrative rather than a restrictive sense. The scope of the present invention is shown in the claims rather than the foregoing description, and all differences within the scope will be construed as being included in the present invention.

10: base film layer 20: three-dimensional pattern layer
30: adhesive layer 40: hard coating layer
100: pattern forming mold

Claims (30)

A base film layer;
A three-dimensional pattern layer including an intaglio or embossed three-dimensional pattern on one surface of the base film layer and having a thickness of 2 to 30 μm; And
Three-dimensional pattern film comprising a; hard coating layer provided on the three-dimensional pattern layer. A base film layer;
A three-dimensional pattern layer including an intaglio or embossed three-dimensional pattern on one surface of the base film layer and having a thickness of 2 to 30 μm; And
Three-dimensional pattern film comprising a hard coating layer provided on the other surface of the base film layer. The method of claim 1,
Three-dimensional pattern film further comprising an adhesive layer on the other surface of the base film layer. The method of claim 2,
The three-dimensional pattern film of the three-dimensional pattern layer further comprises an adhesive layer on the opposite side connected to the hard coating layer. The method according to any one of claims 3 to 4,
The three-dimensional pattern film is a three-dimensional pattern film comprising a printing layer for implementing a color or pattern is at least one place between the base film layer, three-dimensional pattern layer, hard coating layer, and the pressure-sensitive adhesive layer. The method according to any one of claims 3 to 4,
The three-dimensional pattern film of the three-dimensional pattern film is at least one functional addition layer is included in at least one place between the base film layer, three-dimensional pattern layer, hard coating layer, and the pressure-sensitive adhesive layer. The method of claim 6,
The functional addition layer is at least one selected from the group consisting of an electromagnetic wave shielding layer, an antistatic layer, a damage prevention layer, anti-reflective layer three-dimensional pattern film. The method according to any one of claims 3 to 4,
Three-dimensional pattern film further comprises a release film for protecting the adhesive layer. The method according to any one of claims 3 to 4,
Three-dimensional pattern film further comprises a surface protection film for protecting the hard coating layer. The method according to any one of claims 3 to 4,
The three-dimensional pattern of the three-dimensional pattern layer is a three-dimensional pattern film formed by curing the UV curable resin. The method according to any one of claims 3 to 4,
The pressure-sensitive adhesive layer is a three-dimensional pattern film comprising an emulsion type (Emulsion type) is used as the silicone-based, acrylic or hot melt (Hot melt) or olefin-based adhesive. The method according to any one of claims 3 to 4,
The base film layer material is polyurethane, polypropylene oxide, polyisocyanate, hydroxyethyl, polyvinyl chloride, polyethylene terephthalate, monoacrylate, polymethyl methacrylate, polycarbonate, polyethylene, methacrylate, polypropylene, Cellulose acetate butylate, ethylene vinyl acetate, polyvinyl alcohol, propylene oxide, polypropylene, polyethylene, OPP (oriented poly propylene), three-dimensional pattern film, characterized in that one selected from the group consisting of . The method according to any one of claims 3 to 4,
The three-dimensional pattern film is formed of a 10 to 1650㎛ thickness three-dimensional pattern film. A three-dimensional pattern layer forming step of forming a three-dimensional pattern layer having an intaglio or embossed three-dimensional pattern on at least one surface of the provided base film layer with a thickness of 2 to 30 μm; And
A hard coating layer forming step of forming a hard coating layer on one surface of the three-dimensional pattern layer;
Three-dimensional pattern film manufacturing method comprising a. The method of claim 14,
Method for producing a three-dimensional pattern film further comprises an adhesive layer forming step of forming an adhesive layer on the opposite surface on which the hard coating layer is formed. The method of claim 14,
The three-dimensional pattern layer forming step may include a film seating step of applying a UV curable resin to a pattern forming mold having the same pattern as the appearance of the adherend, and seating the base film layer on top of the UV curable resin;
UV-curable resin curing step of curing the UV-curable resin by UV irradiation after mounting the base film layer; And
And a mold separation step of forming a pattern by separating the pattern forming mold after curing the UV curable resin. The method of claim 14,
The three-dimensional pattern film manufacturing method further includes a three-dimensional pattern film forming step of forming a printing layer for implementing a color or pattern at least one of the base film layer, three-dimensional pattern layer, hard coating layer, and the pressure-sensitive adhesive layer. Manufacturing method. The method of claim 14,
The three-dimensional pattern film manufacturing method further comprises the step of forming a functional addition layer to form a functional addition layer at least one of the base film layer, three-dimensional pattern layer, hard coating layer, and the pressure-sensitive adhesive layer. A protection cover molded to have a surface shape of an adherend including the three-dimensional pattern film of any one of claims 1 to 13. 20. The method of claim 19,
The protection cover is formed to have a surface shape of the adherend together with a material that can impart rigidity. The method of claim 19,
An exposure surface of the protection cover is a protection cover for detecting the texture of the three-dimensional pattern. A forming mold providing step of providing a forming mold having a pattern of an adherend shape;
A three-dimensional pattern film insertion step of inserting the three-dimensional pattern film of claim 1 to the forming mold; And
Method of manufacturing a protection cover comprising a three-dimensional pattern film molding step of molding into a shape of the adherend after inserting the three-dimensional pattern film. The method of claim 22,
In the three-dimensional pattern film forming step, the temperature is in the range of 70 to 185 ℃, the pressure is 80 to 100Mpa protection cover manufacturing method. The method of claim 22,
After the three-dimensional pattern film molding step, the protection cover manufacturing method further comprising a finishing processing step of processing the edge of the molding. 25. The method of claim 24,
The finishing processing step is a protection cover manufacturing method for processing by one method selected from press processing consisting of shear processing, bending processing, drawing processing, molding processing or compression processing. The method of claim 22,
Method of manufacturing a protection cover for inserting a film to give rigidity together with the three-dimensional pattern film in the three-dimensional pattern film insertion step. A base film having a thickness of 4 to 1500 µm and including polyethylene terephthalate (PET) and polycarbonate (PC);
An adhesive layer formed on the base film; And
A protection cover formed on the adhesive layer and formed into a surface shape of the adherend film including a release film to protect the adhesive layer. The method of claim 27,
The base film is a protection cover of a transparent (including translucent and partially transparent) material.
A forming mold providing step of providing a forming mold having a pattern of an adherend shape;
A film insertion step of inserting a film including a base film having a thickness of 4 to 1500 μm and having a polyethylene terephthalate (PET) and a polycarbonate (PC) into the forming mold; And
Method of manufacturing a protection cover comprising a film forming step of molding into an adherend shape after the film is inserted. The method of claim 29,
Method of forming a protection cover to form the forming mold during the molding temperature in the range of 70 to 185 ℃, the pressure is 80 to 100Mpa.

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