KR20120099983A - Protection case detachable to portable terminal and method for fabricating the same - Google Patents

Abstract

The present invention relates to a protective case detachable to a portable terminal and a method of manufacturing the same, according to the angle at which the user looks at the protective case so that the user can recognize various colors instead of a single color according to the angle at which the user looks at the protective case. It is an object of the present invention to provide a protective case for producing various colors and a method of manufacturing the same.
In order to solve this problem, the present invention is detachably mounted to a portable terminal, and in the protective case including at least a protective cover, the protective cover is a transparent support plate, the heterogeneous oxide is laminated by vacuum deposition on the front surface of the transparent support plate It is provided with a transparent color layer, and a coating layer printing method on the back of the transparent support plate, and provides a protective case including a reflective layer reflecting light incident through the transparent color layer and the transparent support plate to the transparent support plate and the transparent color layer.
Accordingly, according to the present invention, by providing a protective cover including a transparent color layer in which different oxides are laminated through a deposition process, the user can recognize various colors instead of a single color according to an angle at which the protective case is viewed. Compared to the protective cover manufactured by the printing method, the aesthetics and aesthetics can be maximized.

Description

PROTECTION CASE DETACHABLE TO PORTABLE TERMINAL AND METHOD FOR FABRICATING THE SAME}

The present invention relates to a protective case detachable to a portable terminal and a manufacturing method thereof, and more particularly, to a protective case and a method for manufacturing the protective case which can be attached to a removable case of a portable terminal to prevent damage to the portable terminal. It is about.

With the development of mobile communication, portable terminals such as mobile phones, PDAs, and DMBs are becoming essential items, and a representative example is a mobile phone. In addition to the call function that is unique to the mobile phone, various additional functions such as video playback, music playback, digital camera, DMB reception, navigation, and the Internet are added, and the design and shape thereof are becoming more and more beautiful.

Recently, intelligent mobile phones, also known as 'smart phones', have been developed and commercialized, and these smart phones are attracting much attention from consumers due to the advantage of providing various services to users through applications installed directly by users. The development of such intelligent mobile phones leads to an increase in the price of mobile phones, and the prices of mobile phones are also increasing. Accordingly, users are more sensitive to scratches, scratches, and damages that may occur on their own mobile phones, which are expensive and beautiful. Furthermore, users tend to make their appearance more beautiful and use them as a kind of accessories.

In order to meet the demands of the user, a protective case of various types of portable terminals having a beautiful appearance while preventing damage to various portable terminals has been developed and sold. Typically, the protective case is formed of a soft material or injection molded of metal or synthetic resin is mounted to protect the side and rear of the terminal. In addition, in order to increase the aesthetics and beauty, the protective case is made of a transparent material, and various colors of paint are used on the rear thereof to express colors through a printing method.

However, as in the prior art, a protective case coated with a film of a single color through a printing method has a limitation in expressing various colors and dark colors, that is, dark colors, due to its manufacturing characteristics. In the case of using a dark paint, the translucent becomes aesthetically and aesthetically inferior, and a single color paint is printed on the case by a printing method, so the color is limited to a specific color, and the user tends to be tired easily.

Accordingly, the present invention has been proposed to solve the problems according to the prior art, and implements a protective case improved in terms of design to meet various tastes of the user while implementing the physical function (protecting terminal) of the protective case. Need to provide In particular, there is a need to provide a protective case in which aesthetics and aesthetics are improved by expressing a variety of colors rather than expressing colors through a conventional printing method using paint.

To this end, the present invention provides the following objects.

First, the present invention provides a protective case and a method of manufacturing the same to produce a variety of colors according to the user viewing the protective case so that the user can recognize a variety of colors instead of a single color according to the viewing angle of the protective case The purpose is.

Second, another object of the present invention is to provide a protective case and a method of manufacturing the same, which serve to function as a mirror to reflect an incident light forward to reflect the shape of an object.

The present invention according to one aspect for achieving the above object is detachably mounted to a portable terminal, the protective case comprising at least a protective cover, the protective cover is a transparent support plate, the vacuum deposition on the front of the transparent support plate A transparent color layer in which different oxides are stacked by a transparent printing plate, and a reflective layer formed on a rear surface of the transparent support plate and reflecting light incident through the transparent color layer and the transparent support plate to the transparent support plate and the transparent color layer. To provide a protective case.

Preferably, the hetero oxides may have different refractive indices or different colors.

Preferably, the hetero oxide may be formed by combining any one selected from silicon (Si), metal elements, metalloids, or alloys of these elements with a reactive gas through vacuum deposition.

Preferably, the transparent color layer is formed of a multilayer film in which a TiO ₂ film and an SiO ₂ film are alternately stacked, and the TiO ₂ film may be formed on a lowermost layer and an uppermost layer.

Preferably, the transparent support plate may be formed of any one of plastic materials selected from polycarbonate (PC), polyethylene (PE, PE), polypropylene (PP), or polystyrene paper (PSP).

Preferably, the protective cover is installed to cover the rear of the terminal, and further includes a bumper installed to surround the side of the terminal, the bumper is the protrusion formed on the edge of the protective cover is inserted into the inner portion It may be formed through an injection molding process to be integrally combined with the protective cover.

Preferably, the protective cover is installed to cover the back of the terminal, and further includes a bumper installed to surround the side of the terminal, the bumper includes a first and a second frame formed to be detachable from each other, The protrusion formed on the edge of the protective cover may be coupled to the inner side of the first and second frames in a sliding manner while the first and second frames are separated.

Preferably, the protective cover may be formed to surround the back and the side of the terminal.

In addition, the present invention according to another aspect for achieving the above object is mounted on the portable terminal detachable, in the method of manufacturing a protective case including at least a protective cover, preparing a transparent support plate, and the transparent support plate Removing foreign matters; laminating different oxides through vacuum deposition on the front surface of the transparent support plate to form a transparent color layer; and through the transparent color layer and the transparent support plate by a paint printing method on the back of the transparent support plate. It provides a method of manufacturing a protective case comprising the step of forming a reflective layer for reflecting the incident light to the transparent support plate and the transparent color layer.

Preferably, the forming of the transparent color layer may include depositing the hetero oxide on the entire surface of the transparent support plate, and curing the hetero oxide.

Preferably, the vacuum deposition may be carried out at a temperature of 50 ℃ to 60 ℃ while maintaining the internal pressure of the vacuum chamber at a pressure of 1.0 × 10 ^-5 Torr to 5.0 × 10 ^-5 Torr.

Preferably, in the vacuum deposition, after the jig is installed in the vacuum chamber, the jig may be rotated at a speed of 40 Hz to 50 Hz to maintain the inside of the vacuum chamber in a high vacuum state.

Preferably, the different oxides are made of oxides having different refractive indices or different colors, each of which may be formed to a thickness of 10KÅ ~ 100KÅ.

As described above, according to the present invention, by providing a protective cover including a transparent color layer in which different oxides are laminated through a deposition process, a user may recognize various colors instead of a single color according to an angle at which the protective case is viewed. The aesthetics and aesthetics can be maximized compared to the protective cover manufactured through the general paint printing method.

In addition, according to the present invention, by providing a reflective layer for reflecting the light incident to the rear of the protective cover to the front to further maximize the aesthetics and beauty through the coating of the reflective layer, while providing a mirror that reflects the shape of the object to the user convenience Can provide sex.

1 is a perspective view showing a protective cover according to an embodiment of the present invention.
FIG. 2 is a cross-sectional view of the transparent color layer 16 shown in FIG. 1.
3 is a process flow diagram illustrating a method of manufacturing a protective cover according to an embodiment of the present invention.
4 is a view showing an example in which a protective cover according to an embodiment of the present invention is applied.
5 is a view showing another example in which a protective cover according to an embodiment of the present invention is applied.

Advantages and features of the present invention, and methods for achieving them will be apparent with reference to the embodiments described below in detail in conjunction with the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below but may be implemented in various different forms.

In this specification, the embodiments are provided so that the disclosure of the present invention may be completed and the scope of the present invention may be completely provided to those skilled in the art. And the present invention is only defined by the scope of the claims. Thus, in some embodiments, well known components, well known operations and well known techniques are not described in detail in order to avoid obscuring the present invention.

Like reference numerals refer to like elements throughout. Moreover, terms used herein (to be referred to) are intended to illustrate embodiments and are not intended to limit the invention. In the present specification, the singular form includes plural forms unless otherwise specified in the specification. Also, components and acts referred to as " comprising (or comprising) " do not exclude the presence or addition of one or more other components and operations.

Unless defined otherwise, all terms (including technical and scientific terms) used herein may be used in a sense commonly understood by one of ordinary skill in the art to which this invention belongs. Also, commonly used predefined terms are not ideally or excessively interpreted unless they are defined.

Hereinafter, the technical features of the present invention will be described in detail with reference to the accompanying drawings.

Example

1 is a perspective view for explaining a protective case according to an embodiment of the present invention.

Referring to FIG. 1, a protective case according to an exemplary embodiment of the present invention is mounted to be detachable from a portable terminal, that is, a case of a terminal, and includes at least a protective cover 10.

The protective cover 10 includes a transparent support plate 14, a transparent color layer 16, and a reflective layer 12. The transparent color layer 16 is formed of a heterogeneous oxide laminated on the front surface of the transparent support plate 14 by vacuum deposition. The reflective layer 12 is printed on the rear surface of the transparent support plate 14 by a paint printing method, and reflects light incident through the transparent color layer 16 and the transparent support plate 14 forward.

The transparent support plate 14 is formed of a transparent plastic material so that incident light is transmitted to the reflective layer 12. For example, it may be formed of any one of plastic materials selected from polycarbonate (PC), polyethylene (Polyethylene, PE), polypropylene (PP), or polystyrene paper (PSP).

The transparent color layer 16 is formed of different oxides having different refractive indices or different colors. These are formed by alternately stacking. The transparent color layer 16 produces various colors according to the angle at which the user looks at the protective case so that the user can recognize various colors instead of a single color according to incident light, that is, the angle at which the user looks at the protective case.

When the transparent color layer 16 is formed of a single oxide layer, there is a limit to maximizing aesthetics and beauty because it is limited to the unique color and optical characteristics of the single oxide layer. Accordingly, the transparent color layer 16 according to the present invention alternately stacks different heterogeneous oxide layers, thereby allowing the unique color and optical properties to be mixed between the different heterogeneous oxide layers, thereby allowing the incident light to enter. Various colors can be expressed according to the angle of the.

The transparent color layer 16 is formed in a high vacuum state using vacuum deposition. For example, the transparent color layer 16 may be formed by combining any one selected from silicon (Si), metal elements, metalloids, or alloys of these elements with a reactive gas. The metal elements include Li, Na, K, Rb, Cs, Fr, Ca, Sr, Ba, Ra, Al, Ga, In, Ti, Sn, Pb, Cu, Ag, Au, Zn, Cd, Hg, Sc, Any one selected from Y, Zr, Hf, V, Nb, Ta, Cr, Mo, W, Mn, Tc, Re, Fe, Co, Ni, Ru, Rh, Pd, Os, Ir or Pt may be used. As the metalloid elements, any one selected from Bi, Ge, As, Se, Te, and At may be used. As the reaction gas, any one selected from O ₂ , O _{2 /} N ₂ (mixture of O ₂ and N ₂ ), and N ₂ O may be used.

The vacuum deposition may be any one selected from chemical vapor deposition (CVD), physical vapor deposition (PVD), or atomic layer deposition (Atomic Layer Deposition) process. The chemical vapor deposition process may use thermal chemical vapor deposition, plasma-enhanced chemical vapor deposition, or photon / laser-induced chemical vapor deposition. The physical vapor deposition process may use sputtering, E-beam evaporation, thermal evaporation, and laser molecular beam epitaxy.

2 is a cross-sectional view showing an example of the transparent color layer 16. As shown in FIG. 2, the transparent color layer 16 may be formed of a multilayer film in which a silicon oxide film (SiO ₂ ) and a titanium oxide film (TiO ₂ ) are alternately stacked. In the present embodiment, a TiO ₂ / SiO ₂ / TiO ₂ / SiO ₂ / TiO ₂ layered structure was formed. As a result, a color obtained by mixing the intrinsic colors of SiO ₂ and TiO ₂ may be obtained through the transparent color layer 16.

The number and thickness of the oxide layers constituting the transparent color layer 16 may be determined in consideration of the color to be expressed. That is, the color is determined according to the reflectance, since the reflectance is determined according to the intrinsic refractive index of the oxide layer, the number of layers of the oxide layer and the thickness thereof.

In the present embodiment, TiO ₂ was formed on the lowermost layer (layer in contact with the front surface of the transparent support plate) and the uppermost layer of the transparent color layer 16. The reason for this is to form an oxide layer having a high refractive index at the lowermost layer to increase the reflectance and to form TiO ₂ , which is relatively harder than SiO ₂ , to prevent fingerprints, discoloration, scratches, and scratches from occurring at the uppermost layer. .

For reference, SiO ₂ has a refractive index of 1.46 in the 550 nm wavelength band, TiO ₂ is 2.3 in the 550 nm wavelength band, and SiO ₂ is 200-2000 nm and TiO ₂ is 400-12000 nm in the transmission band.

As shown in FIG. 1, the reflective layer 12 is formed on a rear surface of the transparent support plate 14 by a paint printing method. That is, the reflective layer 12 serves to reflect light incident on the transparent color layer 16 and the transparent support plate 14 to the front, that is, the transparent support plate 14 and the transparent color layer 16. The reflective layer 12 may be formed using a paint having a color similar to the color to be expressed through the transparent color layer 16 in order to further maximize the color expressed through the transparent color layer 16. The reflective layer 12 may function as a mirror that reflects the shape of the object by totally reflecting forward the light incident through the transparent color layer 16 and the transparent support plate 14.

3 is a flowchart illustrating a method of manufacturing a protective case according to an embodiment of the present invention.

1 to 3, first, a mother plate for forming the transparent support plate 14 is prepared. The mother board is manufactured by injection molding using a plastic material. Subsequently, as shown in FIG. 1, the mother plate is cut to have a rectangular plate-like structure having a long direction (length direction) and a short direction (width direction) so as to cover the rear surface of the terminal to form a transparent support plate 14.

Subsequently, surface inspection of the mother board is performed to sort out the defective raw materials and remove foreign substances. The foreign material removal process may be performed by a cleaning process using a plasma or a cleaning process using an ion beam, thereby removing foreign substances existing on the surface of the mother plate.

Thereafter, the mother plate is introduced into the vacuum chamber and then the transparent color layer 16 is formed through vacuum deposition.

Table 1 below is a table illustrating the vacuum deposition conditions.

Condition 1-layer film A two-layer film 3-layer film 4-layer film 5-layer film Oxide layer TiO ₂ SiO ₂ TiO ₂ SiO ₂ TiO ₂ Vacuum degree
(Torr) 3.0 × 10 ^-5 3.0 × 10 ^-5 3.0 × 10 ^-5 3.0 × 10 ^-5 3.0 × 10 ^-5 Chamber internal temperature
(℃) 55 ° C 57 ℃ 57 ℃ 57 ℃ 60 ° C Zig revolution speed
(Hz) 45 45 45 45 45 Deposition thickness 80KÅ 84KÅ 40KÅ 30KÅ 100KÅ

In conjunction with Table 1, the jig is mounted, and then the jig is rotated to 40 Hz to 50 Hz, preferably 45 Hz, so that the pressure of the vacuum chamber is 1.0 × 10 ^-5 Torr to 5.0 × 10 ^-5 Torr, preferably Preferably 3.0 × 10 ^-5 Torr. In such a state, the internal temperature of the chamber is raised at room temperature, and maintained at a temperature of 50 ° C. to 60 ° C. to carry out a vacuum deposition process.

Under the above conditions, TiO ₂ is deposited on the mother plate by any one of chemical vapor deposition, physical vapor deposition or atomic layer deposition to a thickness of 10 KÅ to 100 KÅ, preferably 80 KÅ, and then dried to cure. Then, SiO ₂ is deposited on TiO ₂ and then dried to cure.

The TiO ₂ deposition and drying, and the SiO ₂ deposition and drying process is repeatedly performed to form a transparent color layer 16 having a TiO ₂ / SiO ₂ / TiO ₂ / SiO ₂ / TiO ₂ laminate structure as shown in FIG. 2. Form. The time required for depositing the transparent color layer 16 is 30 to 60 minutes, preferably 40 minutes.

Then, the reflective layer 12 is formed on the rear surface of the base plate by a paint printing method, and then the base plate is cut to a desired size to form a plurality of protective covers 10. Then, the protective cover 10 is to be formed with a protrusion (see the left circular portion of Figure 1) through the machining on the rim as shown in Figure 1 in order to engage or fasten with the bumper shown in Figures 4 and 5. Can be.

4 and 5 are views for explaining a protective case including a protective cover 10.

Referring to Figure 4, the protective case according to an embodiment of the present invention may further include a bumper 20 installed to surround the side of the terminal. The bumper 20 may be formed through an injection molding process so that the protrusion formed on the edge of the protective cover 10 is integrally coupled with the protective cover 10 while being inserted into the inner portion 22. That is, after the protective cover 10 is manufactured, a material for forming the bumper 20 is injected into the mold frame in which a part of the edge including the protrusion of the protective cover 10 is exposed, thereby protecting the protective cover 10 and the bumper 20. ) Is formed to be integrally coupled.

As another example, referring to FIG. 5, the protective case according to the embodiment of the present invention may further include a bumper installed to surround the side of the terminal. The bumper illustrated in FIG. 5 includes the first and second frames 30 and 40 formed to be detachable from each other, and the protrusions formed at the edge of the protective cover 10 include the first and second frames 30 and 40. It is provided to be fastened to the inner portion (34, 44) of the first and second frame (30, 40) in a separated state by sliding. The first frame 30 and the second frame 40 are manufactured to correspond to each other, respectively, and are formed in a 'c' shape. A fastening protrusion 32 is formed in the first frame 30 to be fastened with the second frame 40, and a fastening groove 42 in which the fastening protrusion 32 is inserted and fastened is formed in the second frame 40. do.

4 and 5, the bumper may be formed of the same material as the transparent support plate or may be formed of different materials. Preferably the bumper is formed of a soft plastic material.

In addition, the protective cover according to the embodiment of the present invention can be manufactured in various shapes in addition to the rectangular shape as shown in FIG. In particular, the edge portion of the protective cover is manufactured to have a structure that is bent inward, and the bent portion of the protective cover can be inserted to be detachable to the side of the terminal may protect the side as well as the rear of the terminal at the same time.

As described above, although the technical spirit of the present invention has been described in detail in the preferred embodiments, it should be noted that such embodiments are for the purpose of description and not of limitation. As such, those skilled in the art may understand that various embodiments are possible through the combination of the embodiments within the scope of the technical idea of the present invention.

10: protective cover
12: reflective layer
14: transparent support plate
16: transparent color layer
20, 30, 40: bumper

Claims (13)

A protective case mounted on a portable terminal so as to be detachable, and including at least a protective cover,
The protective cover,
Transparent support plate;
A transparent color layer in which different oxides are stacked by vacuum deposition on the front surface of the transparent support plate; And
The reflective layer is formed on the rear surface of the transparent support plate and reflects light incident through the transparent color layer and the transparent support plate to the transparent support plate and the transparent color layer.
Protective case comprising a.
The method of claim 1,
The dissimilar oxide may have different refractive indices or different colors.
The method according to claim 1 or 2,
The hetero oxide is a protective case formed by combining any one selected from silicon (Si), metal elements, metalloids, or alloys of these elements with a reactive gas through vacuum deposition.
The method according to claim 1 or 2,
The transparent color layer is formed of a multilayer film in which a TiO ₂ film and an SiO ₂ film are alternately stacked, and the TiO ₂ film is formed on a lowermost layer and an uppermost layer.
The method according to claim 1 or 2,
The transparent support plate is a protective case formed of any one of a plastic material selected from polycarbonate (PC), polyethylene (Polyethylene, PE), polypropylene (PP), or polystyrene paper (PSP).
The method of claim 1,
The protective cover is installed to cover the back of the terminal,
Further comprising a bumper installed to surround the side of the terminal,
The bumper is a protective case formed through the injection molding process so that the protrusion formed on the edge of the protective cover is integrally coupled with the protective cover in a state inserted into the inner portion.
The method of claim 1,
The protective cover is installed to cover the back of the terminal,
Further comprising a bumper installed to surround the side of the terminal,
The bumper includes first and second frames formed to be detachable from each other, and a protrusion formed at an edge of the protective cover is slid into an inner portion of the first and second frames in a state where the first and second frames are separated. Protective case to be fastened by
The method of claim 1,
The protective cover is a protective case formed to surround the back and side of the terminal.
In the manufacturing method of the protective case mounted on the portable terminal detachably, and including at least a protective cover,
Preparing a transparent support plate;
Removing foreign matter from the transparent support plate;
Forming a transparent color layer by depositing different oxides on the entire surface of the transparent support plate through vacuum deposition; And
Forming a reflective layer on a rear surface of the transparent support plate to reflect light incident through the transparent color layer and the transparent support plate to the transparent support plate and the transparent color layer by a paint printing method;
Method of manufacturing a protective case comprising a.
The method of claim 9,
Forming the transparent color layer,
Depositing the hetero oxide on the front surface of the transparent support plate; And
Curing the dissimilar oxide
Method of manufacturing a protective case comprising a.
11. The method of claim 10,
The vacuum deposition is carried out at a temperature of 50 ° C to 60 ° C while maintaining the internal pressure of the vacuum chamber at a pressure of 1.0 × 10 ^-5 Torr to 5.0 × 10 ^-5 Torr.
The method of claim 11,
The vacuum deposition method of manufacturing a protective case to maintain the inside of the vacuum chamber in a high vacuum state by installing the jig in the vacuum chamber, by rotating the jig at a rate of 40Hz ~ 50Hz.
11. The method of claim 10,
The heterogeneous oxide is made of an oxide having a different refractive index or different colors, each of which is formed with a thickness of 10KÅ ~ 100KÅ of the protective case.

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