KR20100103083A - Protection case for mobile phone and manufacturing method thereof - Google Patents

Abstract

PURPOSE: A shield case for a cellular phone and a manufacturing method thereof are provided, which can improve deluxe image of a cellular phone and secures stable protection of the cellular phone. CONSTITUTION: A manufacturing method of a shield case for a cellular phone comprises: a step(ST100) of forming a varnish layer by applying paint on at least one of the front cover and back cover; a step(ST110) of grinding the upper side of varnish layer; a step(ST120) of forming a designated pattern by attaching mother-of-pearl to the upper side of to the ground varnish layer; and a step(ST130) of forming a coating layer by coating the upper side of the mother-of-pearl with optical transmissive material.

Description

Protection case for mobile phone and manufacturing method

The present invention relates to a protective case for a mobile phone that is detachably coupled to the exterior housing of the mobile phone for the protection of the mobile phone, and a method of manufacturing the same, and more particularly, to elevate the luxury image of the mobile phone. The present invention relates to a protective case for a mobile phone and a method of manufacturing the same, which allow the mobile phone to be easily used while being securely protected and the case is mounted.

In recent years, according to the demands of mobile phone users, due to the development of mobile phone manufacturing technology, mobile phones are being developed into various functions and various designs in addition to basic call functions. And handset makers are promoting their flagship products by releasing expensive phones one after another. In order to use these expensive phones for a longer time, many users use a protective case for the mobile phone.

In general, a protective case for a mobile phone is used to protect the mobile phone from external shocks and to prevent scratches from occurring. The protective case for a mobile phone is usually a soft case made of vinyl or leather, or a hard case made of plastic. Vinyl case is a low-cost product is mainly used in low-cost mobile phones or entry-level mobile phones, easy to handle but has a problem that is very vulnerable to shock. The leather case gives a luxurious feel, but the price is expensive, the shock is weak and inconvenient to handle. On the other hand, the hard case can be used to protect the mobile phone more securely at a lower cost, and easy to handle it is being used relatively compared to the soft case.

However, the conventional hard case has excellent functional advantages such as durability and good protection of the mobile phone from external shocks, but the decorative effect is insignificant. Because of this, when employed in expensive mobile phones, there is a problem such as deteriorating the luxurious image of the mobile phone, appealing to customers who value the external design of the mobile phone.

On the other hand, in recent years, a bar type mobile phone having a touch screen of a substantial area of the front part of the mobile phone has become popular. Most of these bar-type cell phones are expensive products and require the use of a protective case for the cell phone.

By the way, the protective case for a conventional bar-type mobile phone is formed with a large opening to the front cover to expose the touch screen on the front of the mobile phone. In general, the touch screen is the most vulnerable component in a mobile phone. When the protective case is used, the touch screen is easily exposed to scratches on the surface of the touch screen, and the life of the touch screen is shortened by external impact. Problems occur. In addition, the front cover is structurally fragile and easily broken, there are problems such as being easily separated from the mobile phone.

The present invention has been proposed to solve the above problems, by attaching the mother-of-pearl, which is a luxurious ornament on the surface of the hard case that can reliably protect the mobile phone from external shocks, the stable protection of the mobile phone and the luxurious image of the mobile phone The purpose of the present invention is to provide a protective case for a mobile phone and a method for manufacturing the same, which can achieve all of the purpose of raising the.

In addition, when the present invention is fastened to a bar type mobile phone, the mobile phone is more securely protected, and when not in use, the touch screen of the mobile phone can be safely protected from external impact by concealing the touch screen of the mobile phone. Another object of the present invention is to provide a protective case for a mobile phone with a new structure that facilitates the use of the cover by opening the front cover in a fold type after release.

Protective case for a mobile phone of the present invention for achieving the above object, in the protective case for a mobile phone to be detachably mounted to the mobile phone 50 to protect the mobile phone 50, to cover the front of the mobile phone 50 A front cover 10 and a back cover 20 covering a rear surface of the mobile phone 50, the cover surface of at least one of the front cover 10 or the back cover 20, the mother-of-pearl 42 is It is attached to form a predetermined pattern.

According to a preferred embodiment, the front cover 10 and the back cover 20 is hinged to be rotatable mutually by the hinge groove portion 12 and the hinge shaft portion 22 formed in each lower end portion, the back cover 20 The lower end and the upper end of the) is formed extending to the front cover 10 side and the separation prevention jaw (28, 32) to prevent the mobile phone 50 is separated in the longitudinal direction is formed, the departure prevention jaw 32 of the upper end of the rear cover (20) At the upper end of the cover 10 and the front cover 10, the engaging recess 34 and the engaging protrusion 18 to be hooked to the engaging recess 34 are formed, and the mobile phone 50 is formed at one side of the rear cover 20. A sidewall 38 is formed to prevent the side from being separated in the width direction, and an insertion guide portion 40 protruding at a lower height than the sidewall 38 is formed at the other side.

According to a more preferred embodiment, the inner surface of the front cover 10 is formed in the concave mirror seating portion 14, the mirror seating portion 14 is a mirror 16 is attached.

Method of manufacturing a protective case for a mobile phone of the present invention for achieving the above object, the front cover 10 to cover the front of the mobile phone 50, the back cover 20 to cover the back of the mobile phone 50 In the method of manufacturing a protective case for a mobile phone comprising: (a) applying a paint on at least one of the cover surface of the front cover 10 and the back cover 20 to form a coating layer 44 ( ST100); (b) polishing the upper surface of the painting layer 44 (ST110); (c) attaching mother-of-pearl 42 on the polished paint layer 44 to form a predetermined pattern (ST120); And (d) forming a coating layer 46 by coating a light transmissive material on the upper surface of the mother-of-pearl 42 (ST130).

According to the protective case for a mobile phone of the present invention and a manufacturing method thereof, by attaching a mother-of-pearl to the surface of the front cover or the back cover, or both covers to form a predetermined pattern, it is possible to produce a natural and luxurious image, in particular, When used in expensive mobile phones, the mobile phone has an effect of further elevating the luxurious image of the mobile phone and can satisfy the needs of consumers who are sensitive to the appearance design of the mobile phone.

In addition, according to the present invention, the rear cover is forcibly fitted to the back of the mobile phone by forming a separation prevention jaw, side wall, insertion guide portion, etc. around the rear cover, so that the back cover is not easily separated from the mobile phone, easy to combine the mobile phone When not using a mobile phone, hook the front cover to the back cover to secure the inside mobile phone more firmly and securely, and the display screen of the mobile phone can be protected from external shocks and scratches. After releasing the hook of the cover, it is possible to use it in a folding manner so that the mobile phone can be conveniently used even when it is securely mounted in the protective case.

In addition, according to the present invention, by attaching a mirror to the inner surface of the front cover, which is an idle space, there is an effect that the user can manage the appearance using a large mirror on the inner surface when opening the front cover.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings and embodiments.

1 is a perspective view showing a folded state of the protective case for a mobile phone according to the present invention, Figure 2 is a flow chart showing a manufacturing method of a protective case for a mobile phone according to the present invention, Figures 3a to 3d is a step by step the manufacturing method of FIG. 4 is a perspective view showing an unfolded state of the protective case for a mobile phone according to the present invention, Figure 5 is a perspective view showing a use state in which the mobile phone is coupled to the present invention.

First, referring to Figure 1, the protective case for a mobile phone of the present invention basically consists of a front cover 10 to cover the front of the mobile phone 50 and the back cover 20 to cover the back. As shown, the mother-of-pearl 42 is attached to the surface of the front cover 10 to form a predetermined pattern. Of course, the mother-of-pearl 42 may also be attached to the rear cover 20 to form a predetermined pattern. Mother-of-pearl realizes a variety of colors, and even in the same pattern, it is possible to produce different images for each product due to the unique light reflection characteristics of the mother-of-pearl. Therefore, a user using a protective case can have his own unique design.

On the other hand, Figure 1 shows a preferred embodiment of the present invention, the present invention illustrates an embodiment in which the protective case for a mobile phone is applied to a bar-type mobile phone. In the illustrated example, the front cover 10 and the rear cover 20 are hinged to be rotatable with each other by the hinge groove portion 12 and the hinge shaft portion 22 formed at its lower end, respectively. As will be described later, when the protective case of the structure is employed in the bar-type mobile phone 50, it is possible to more securely protect the mobile phone 50, significantly reducing the damage of the display screen 52, such as a touch screen. However, the protective case for a mobile phone of the present invention is not limited to the embodiment shown in FIG. 1, and is applicable to various types of mobile phones based on a form in which mother-of-pearl 42 is attached to the cover surface of the protective case. For example, the protective case for a mobile phone of the present invention can be applied to all types of mobile phones, such as a cellular phone, a slide cell phone, a bar cell phone.

Referring to the flowchart of FIG. 2 and the cross-sectional views of FIGS. 3A to 3D, a method of attaching mother-of-pearl to the cover surface of the protective case according to the present invention will be described below.

The present invention is a hard case, the front cover 10 and the back cover 20 are each manufactured by injection molding a synthetic resin. First, at least one cover of the front cover 10 or the back cover 20, that is, a coating of a desired color is applied to the surface of the cover to which the mother-of-pearl 42 is to be attached to form a coating layer 44 ( ST100). Through this process, the paint layer 44 is formed on the upper surface of the front cover 10, as shown in Figure 3a.

Next, in order to improve the adhesion of the mother-of-pearl 42, the upper surface of the coating layer 44 formed in the step ST100 is polished (ST110). This polishing process proceeds by polishing the upper surface of the paint layer 44 with the sand paper 60 as in FIG. 3B. Preferably, in the present step ST110, the lead can be painted using a sandpaper 60 having a particle size, forming fine irregularities that are difficult to visually check on the surface of the coating layer 44 without peeling off the coating layer 44. The adhesion of the upper surface of the layer 44 is improved.

Next, the mother-of-pearl 42 is attached to the upper surface of the paint layer 44 to form a predetermined pattern (ST120). Preferably, in order to attach the mother-of-pearl 42 to the correct position, the pattern to be formed on the upper surface of the paint layer 44 is marked in advance. An adhesive is then applied to the back side of the mother-of-pearl 42 and attached to the marking. Then, as shown in Figure 3c, mother-of-pearl 42 is attached to the upper surface of the paint layer 44 to form a pattern as shown in FIG.

Next, the mother-of-pearl 42 is firmly fixed on the paint layer 44, and in order to prevent scratches and the like from occurring in the mother-of-pearl 42, a light-transmissive material is coated on the mother-of-pearl 42 to form a coating layer ( 46) (ST130). 3d shows an example in which the coating layer 46 is formed on the upper surface of the mother-of-pearl 42 through the present process.

In this way, the coating layer 44 is formed on the cover surface (ST100), the painting layer 44 is polished (ST110), and then the mother-of-pearl 42 is attached to the upper surface of the coating layer 44 to form a predetermined pattern. (ST120) When the coating layer 46 is formed on the mother-of-pearl 42, the mother-of-pearl 42 can be firmly attached on the synthetic resin, and the mother-of-pearl 42 is separated by the coating layer 46. It is possible to solve problems such as getting out or scratching the mother-of-pearl 42.

4 and 5 show preferred embodiments of the protective case for a mobile phone of the present invention. Recently popular mobile phones are typically bar-type mobile phones with a full touch screen on the front, which are very expensive and are representative products of each mobile phone manufacturer. The present invention is applied to the expensive bar type mobile phone as described above to provide embodiments that can improve the luxurious image of the mobile phone, and more securely protect the mobile phone.

As will be described in detail with reference to Figures 4 and 5, the protective case for the mobile phone of the present embodiment, when the front cover 10 is closed, the mobile phone 50 is securely stored and protected in the protective case at the same time the display screen on the front of the mobile phone 50 Since 52 is not exposed to the outside, the touch screen can be prevented from being damaged due to scratching of the display screen 52 and damage to the display screen 52. When the front cover 10 is opened, the bar type mobile phone may be used similarly to a folding mobile phone in a state in which the front cover 10 is coupled to the rear cover 20.

As shown in FIG. 4, hinge grooves 12 and hinge shafts 22 are formed at the lower end of the front cover 10 and the lower end of the rear cover 20, respectively. The hinge groove portion 12 and the hinge shaft portion 22 are hinged to each other, so that the front cover 10 and the rear cover 20 are rotatably coupled to each other. Referring to FIG. 4, three hinge grooves 12 are formed at both ends and the center at the lower end of the front cover 10, and two hinges are provided at the end of the separation prevention projection 28 formed at the lower end of the rear cover 20. Shaft portion 22 is formed. Thus, the two hinge shafts 22 of the lower end of the rear cover 20 are hinged to the hinge groove 12 and the hinge groove 12 of the end of the lower end of the front cover 10, respectively. Meanwhile, in the illustrated example, the hinge groove portion 12 is formed at the front cover 10 side, and the hinge shaft portion 22 is formed at the rear cover 20 side, but these may be formed opposite to each other.

The front cover 10 and the rear cover 20 are formed to be bent toward the cover side facing each rim wall so as to cover the side portion of the mobile phone 50, respectively. This is to cover and protect the corner of the mobile phone (50). At this time, the back cover 20 in the present embodiment is forcibly fitted to the back portion of the mobile phone 50, the front cover 10 is hooked to the back cover 20 side. The inner surface of the rear cover 20 is formed with a mobile phone seating portion 24 that can accommodate the rear portion of the mobile phone 10, the rim walls are placed around the rear cover (20).

Preferably, the rim walls around the back cover 20 is configured as follows. As shown in Figure 4, at the lower end and the upper end of the rear cover 20, the separation prevention projections 28 and 32 extending to the front cover 10 side is formed. The separation prevention projections 28 and 32 are protruded by a length sufficient to accommodate the lower end and the upper end of the mobile phone 50, respectively, and the longitudinal direction (mobile phone 50) after the mobile phone 50 is forcibly fitted to the rear cover 20. In the up and down direction). In addition, a side wall 38 is formed at one side of the rear cover 20 to prevent the mobile phone 50 from being separated in the width direction, and the other side inserts protruding at a relatively lower height than the side wall 38. Induction part 40 is formed.

The rear cover 20 is forcibly fitted to the back of the mobile phone 50 by the four border walls (two separation prevention jaw, side wall, insertion guide portion) as described above. And the insertion guide portion 40 guides the mobile phone 50 to be easily inserted into the back cover 20 when inserting the mobile phone 50 in the direction of the arrow shown in FIG.

As shown, the back cover 20 is provided with an opening 26 in a predetermined area to expose a camera (not shown) or the like installed on the back of the mobile phone 50. In addition, a catch recess 34 is formed at an end of the anti-separation jaw 32 of the upper end of the rear cover 20, and correspondingly, a hook protrusion 18 is hooked to the catch recess 34 at the upper end of the front cover 10. ) Is formed. Therefore, as shown in FIG. 1, when the front cover 10 is folded to the rear cover 20 side and the hook protrusion 18 is hooked to the recessed recess 34, the front cover 10 is the rear cover ( 20) is fastened and fixed. At this time, in order to more easily release the hook fastening of the front cover 10, the engaging groove 34 of the rear cover 20 is formed as shown in the coupling release portion 36 as shown.

In the present invention, the front cover 10 is hooked to the rear cover 20 side, it does not need to be fixed in close contact with the front portion of the mobile phone (50). Therefore, the inner surface of the front cover 10 may be an idle space, the embodiment of Figure 4 shows an example of forming a mirror surface using this idle space. As shown in FIG. 4, the inner surface of the front cover 10 is formed with an inner concave mirror seat 14, and a mirror 16 is attached to the mirror seat 14. The mirror 16 has a thin sheet shape having a reflective surface, and is attached through an adhesive means such as a double-sided tape or an adhesive, or forms a coupling groove at the edge of the mirror seat 14 and is coupled to the circumference of the mirror 16. The protrusions may be formed to be attached by a pressure fixing method of the protrusions and the grooves. The mirror 16 of the inner surface of the front cover 10 is provided in a relatively large size, as shown, and has the advantage that more area can be projected compared to the small mirror provided in the accessory form of the conventional mobile phone 50 to provide.

5 is a perspective view showing a mobile phone coupled to the present invention, the operation of the embodiment of Figure 4 with reference to this as follows.

As illustrated in FIG. 5, when the mobile phone 50 is inserted into the insertion guide portion 40 of the rear cover 20, the mobile phone 50 is forcibly fitted to the rear cover 20. The mobile phone 50 coupled to the rear cover 20 side is firmly supported by the edge walls of the rear cover 20. In particular, the upper and lower release prevention jaws 28 and 32 of the mobile phone 50 move upward and downward. It completely blocks the departure.

If the mobile phone 50 is not used, as shown in FIG. 1, the front cover 10 is folded toward the rear cover 20, and then the engaging protrusion 18 of the front cover 10 is rear cover 20. The hook fastening to the engaging recess 34 to protect the mobile phone (50). At this time, since the display screen 52 of the mobile phone 50 is completely covered by the front cover 10, the display screen 52 can be safely protected. In particular, when the display screen 52 is configured as a touch screen, the display screen 52 can be more securely protected from an external impact or scratch. In addition, in the state in which the front cover 10 is hooked, the decorative effect is given to the image of the case that can be easily forged by the mother-of-pearl pattern 42 on the outer surface as shown in FIG.

If the user wants to use the mobile phone 50, as shown in FIG. 5, the fastening of the hook of the front cover 10 is released, and the front cover 10 is opened to use the mobile phone 50. At this time, preferably, the front cover 10 is not excessively opened by adding a projection or the like to adjust the rotation angle to the engaging portion of the hinge groove portion 12 and the hinge shaft portion 22.

In general, a bar-type mobile phone 50 is provided with a receiver (not shown), a display screen 52, a function key 54, and a transmitter 56 on the front side. In addition, although some function keys are provided on the side of the mobile phone 50, it is exposed between the front cover 10 and the rear cover 20, the camera formed on the rear portion, etc. to open the opening 26 of the rear cover 20 Exposed through. Therefore, opening the front cover 10 as described above can use all the functions of the mobile phone (50). Furthermore, the mirror 16 provided on the inner surface of the front cover 10 can be very useful when the user manages the appearance.

The present invention described above is not limited to the above-described embodiments and the accompanying drawings, and various substitutions, modifications, and changes are possible in the technical field of the present invention without departing from the technical spirit of the present invention. It will be clear to those of ordinary knowledge.

1 is a perspective view showing a folded state of the protective case for a mobile phone according to the present invention

2 is a flow chart showing a manufacturing method of a protective case for a mobile phone according to the present invention

3A to 3D are cross-sectional views showing the manufacturing method of FIG. 2 step by step.

Figure 4 is a perspective view showing a state in which the protective case for the mobile phone according to the invention unfolded

Figure 5 is a perspective view showing a state in which the mobile phone is coupled to the present invention

<Explanation of symbols for main parts of the drawings>

10: front cover 12: hinge groove

14 mirror mounting portion 16 mirror

18: obstruction protrusion 20: back cover

22: hinge shaft 24: mobile phone seat

26: opening 28: release prevention jaw

32: departure prevention jaw 34: hook recess

36: groove release portion 38: side wall

40: insertion guide portion 42: mother-of-pearl

44: paint layer 46: coating layer

50: mobile phone 52: display screen

54: Function Key 56: Transmitter

60: sandpaper

Claims (4)

In the protective case for a mobile phone that is detachably mounted to the mobile phone 50 to protect the mobile phone 50, A front cover 10 for covering the front of the mobile phone 50, and a back cover 20 for covering the back of the mobile phone 50, at least any one of the front cover 10 or the back cover (20) The cover surface of the mother cell 42 is attached to the protective case for a mobile phone, characterized in that to form a predetermined pattern. The method of claim 1, The front cover 10 and the rear cover 20 are hinged to be rotatable by the hinge groove portion 12 and the hinge shaft portion 22 formed in each lower end portion, the lower end and the upper end of the rear cover 20 It is formed to extend toward the front cover 10 and the separation prevention jaw 28, 32 is formed to prevent the mobile phone 50 is separated in the longitudinal direction, the release prevention jaw 32 and the front cover 10 of the upper portion of the rear cover 20 At the upper end of the engaging portion 34 and the engaging protrusion 18 is hooked to the engaging recess 34 is formed, the one side of the back cover 20 is that the mobile phone 50 is separated in the width direction Side wall 38 to prevent is formed and the other side portion protection case for a mobile phone, characterized in that the insertion guide portion 40 is formed to protrude to a lower height than the side wall (38). The method according to claim 1 or 2, The inner surface of the front cover 10 is formed in the inner concave mirror seating portion 14, the mirror seating portion 14 is a protective case for a mobile phone, characterized in that the mirror (16) is attached. In the method of manufacturing a protective case for a mobile phone comprising a front cover 10 for covering the front of the mobile phone 50, and a back cover 20 for covering the back of the mobile phone 50, (A) forming a paint layer (44) by applying a paint on the cover surface of at least one of the front cover (10) and the back cover (20) (ST100); (b) polishing the upper surface of the painting layer 44 (ST110); (c) attaching mother-of-pearl 42 on the polished paint layer 44 to form a predetermined pattern (ST120); And (D) forming a coating layer 46 by coating a light-transmissive material on the mother-of-pearl 42 upper surface (ST130).

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