Case for a hand held device

The present invention relates to a case of a mobile terminal, and more particularly to a mobile terminal having an improved design by integrally forming an outer case.

FIG. 15 is a perspective view of a conventional mobile terminal.

A conventional mobile terminal is a terminal in which a display unit 110 on which a display for displaying various information is mounted and a main keypad 122 on which the display unit 110 is slidably mounted and a user inputs are mounted on the front surface. It consists of a main body 120.

The display unit 110 has an outer case 114 arranged so as to be exposed to the outside, a display mounted inside the outer case 114, and an auxiliary keypad mounted inside the outer case 114 to input information. And consists of.

A display window 112 is installed in the exterior case 114 so that the information displayed on the display can be seen, and each auxiliary key button 116 for inputting the information is installed so as to project to the outside.

<p> However, in the conventional exterior case as described above, since the display window 112 and each auxiliary key button 116 are attached to the exterior case 114 as separate parts, the manufacturing process is complicated, the structure exposed to the outside is complicated, and the terminal is terminal. There was a problem that the appearance design of the machine was not good.</p><p> The present invention has been made to solve the above-mentioned problems of the prior art, and by integrally forming a display window, an information input unit, or other display unit in the case, the manufacturing process can be shortened and the terminal can be used. The purpose is to provide a case for a mobile terminal that improves the design of the machine.</p>

<p> The case of the mobile terminal according to the present invention for realizing the above-mentioned problems is composed of a first case and a second case fastened to the first case, and the first case is a display for displaying information. It is characterized in that it is composed of a first member provided with a window region and a second member fixed to one of the first members and fastened to the second case.</p><p> The first member and the second member are made of different materials.</p><p> The first member is provided with a sound input / output passage for inputting / outputting sound.</p><p> The first member is characterized by being composed of a transparent member formed of a transparent material and a film attached to the surface of the transparent member to form a transparent display window region.</p><p> The rest of the film except for the display window area is opaque.</p><p> The film is characterized in that a key region for inputting information is formed.</p><p> At least one key region is projected on the surface of the transparent member.</p><p> The key area is characterized by being composed of at least one of letters, symbols, or numbers.</p><p> The key region is characterized in that it is semi-transparently formed so that the key region is not displayed to the outside when it is not illuminated.</p><p> The key area is a touch key to which a signal is input by a capacitance method.</p><p> The film is characterized in that the transparent member is coated by an in-mold injection method.</p><p> The transparent member is characterized in that it is formed from a methyl methacrylate polymer.</p><p> The first member is fixed to the edge of the second member.</p><p> The second member is characterized in that a housing portion for accommodating the edge portion of the first member is formed on the upper surface edge portion thereof, and the lower surface edge portion thereof is fastened to the second case.</p><p> The first member is adhesively fixed to the edge of the second member.</p><p> Each position fixing protrusion protrudes from the lower surface edge portion of the first member, and these position fixing protrusions are inserted into the position fixing holes formed in the edge portion of the second member.</p><p> The second member is characterized in that it is made of a PC (Poly Carbonate) material.</p><p> The internal spaces of the first case and the second case are provided with a touch pad for inputting information when a key area is touched, and a display for displaying information through the display window.</p><p> The second member is characterized in that it is molded on the first member by a double injection method.</p><p> The case of the mobile terminal according to the present invention is composed of a first case and a second case fastened to the first case, and the first case has a display window area and each key for inputting information. It is characterized in that it is composed of a first member provided with a key mounting portion to be mounted, and a second member fixed to one of the first members and fastened to the second case.</p><p> Each key is a push-type key button that is pushably mounted on the key button mounting portion.</p><p> The key button mounting portion is characterized in that it is formed in a hole shape so that when each key button is pushed, the signal can be transmitted to the key pad.</p><p> Each key is characterized by being a wheel that performs a scroll function that is rotatably mounted on the key button mounting portion.</p><p> The terminal case according to the present invention is composed of a first case and a second case fastened to the first case, and the first case is made of a transparent material and fastened to the second case. It is characterized in that it is composed of a transparent member and a film that is covered on the surface of the transparent member to form a transparent display window region.</p><p> To achieve the above object, the present invention provides, for example, the following means: (Item 1) It is composed of a first case and a second case to be fastened to the first case. The first case is The first member, which has a display window area for displaying information, A case of a mobile terminal including a second member fixed to one of the first members and fastened to the second case. ( Item 2) The case of a mobile terminal according to item 1, wherein the first member and the second member are made of different materials. (Item 3) The case of a mobile terminal according to item 1, wherein the first member is provided with a sound input / output passage for inputting / outputting sound. (Item 4) The first member is With transparent members The case of a mobile terminal according to item 1, further comprising a film attached to the surface of the transparent member to provide a display window area. (Item 5) The case of a mobile terminal according to item 4, wherein the remaining portion excluding the display window area of the film is formed opaquely. (Item 6) The case of a mobile terminal according to item 4, wherein a key area for inputting information is formed on the film. (Item 7) The case of a mobile terminal according to item 4, wherein at least one key region is projected on the surface of the transparent member. (Item 8) The case of a mobile terminal according to item 6, wherein the key area is composed of at least one of letters, symbols, or numbers. (Item 9) The case of a mobile terminal according to item 6, wherein the key area is semi-transparently formed so that the key area is not displayed to the outside when it is not illuminated. (Item 10) The case of a mobile terminal according to item 6, wherein the key area is each touch key to which a signal is input by a capacitance method. (Item 11) The case of a mobile terminal according to item 4, wherein the film is coated on the transparent member by an in-mold injection method. (Item 12) The item 1 according to item 1, wherein a housing portion for accommodating the edge portion of the first member is formed on the upper surface edge portion of the second member, and the lower surface edge portion thereof is fastened to the second case. Mobile terminal case. (Item 13) The case of a mobile terminal according to item 1, wherein the first member is adhesively fixed to one of the second members. (Item 14) Item 13. The item 13 wherein each position fixing protrusion protrudes from the lower surface edge portion of the first member, and these position fixing protrusions are inserted into a position fixing hole formed in the edge portion of the second member. Mobile terminal case. (Item 15) Item 1 is characterized in that the internal spaces of the first case and the second case further include a touch pad for inputting information when a key area is touched, and a display for displaying information by the display window. The case of the described mobile terminal. (Item 16) The first member is A transparent member made of a transparent material and having a hole for mounting each key, The case of a mobile terminal according to item 1, wherein the display window region is transparently formed over the surface of the transparent member and is composed of a film having holes through which each key passes. (Item 17) The case of a mobile terminal according to item 16, wherein each key is one of a push type key and a scroll type key. (Item 18) The case of a mobile terminal according to item 1, wherein the second member is molded on the first member by a double injection method. (Item 19) It is composed of a first case and a second case to be fastened to the first case. The first case is A transparent member made of a transparent material and attached to the second case, A case of a mobile terminal, characterized in that it is composed of a film attached to the surface of the transparent member to provide a display window area. (Item 20) The case of a mobile terminal according to item 19, wherein a key area for inputting information is formed on the film. (Item 21) The case of a mobile terminal according to item 20, wherein the film is composed of a transparent portion covering a transparent display window area and an opaque portion covering the remaining portion excluding the display window area. (Item 22) The case of a mobile terminal according to item 19, wherein at least one hole for mounting each key is formed in the first case. (Item 23) The case of a mobile terminal according to item 19, wherein the case is provided to a mobile communication terminal having a communication module for exchanging data.</p>

<p> In the mobile terminal according to the present invention, the outer case is formed of an integrated flat plate type in which the display window and each key are integrally molded, the design can be improved, and the manufacturing cost is reduced by reducing the number of parts. It has the effect of gaining.</p>

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

FIG. 1 is a perspective view of a mobile terminal according to the first embodiment of the present invention, FIG. 2 is an exploded perspective view of a display unit according to the first embodiment of the present invention, and FIG. 3 is an exploded perspective view of the first embodiment of the present invention. It is a perspective view of the first case according to the above, and FIG. 4 is a sectional view of the first case according to the present invention.

The mobile terminal according to the first embodiment of the present invention is equipped with a display unit 10 having a display 12 for displaying information and a main key pad 22 slidably connected to the display unit 10 for inputting information on the front surface. It is composed of the terminal body 20 to be used.

The mobile terminal is a slide-type mobile terminal in which a display unit is slidably connected to the main body of the terminal. In addition to the slide type described in the first embodiment of the present invention, such a portable terminal is a foldable type in which a display is rotatably connected to the terminal body, and a display and a main keypad are installed in the terminal body. It can be applied to any type of terminal, such as a straight type or a two-axis rotation type in which the display rotates two axes.

The terminal body 20 includes a communication module (not shown) for transmitting and receiving signals, a main printed circuit board (not shown) on which the communication module is mounted, and the like.

The display unit 10 includes a first case 30 arranged so as to be exposed to the outside, a second case 31 fastened to the first case 30 so as to have a space inside, and the first case 30 and the first case 30. It consists of a display 12 that is mounted in the space between the two cases 31 to display information, and a keypad 14 to which information is input.

The keypad 14 is preferably composed of a touch keypad to which a signal is input by a capacitance method.

The first case 30 is one of a first member 32 provided with a display window area 40 for making information displayed on the display 12 visible from the outside and a key area 42 for inputting information, and the first member 32. It is composed of a second member 34 fixed to the second case 31 and fastened to the second case 31.

The first member 32 is formed in a flat plate shape in which the display window region 40 and the key region 42 are integrally formed. Such a first member 32 is formed of a material different from that of the second member 34.

The first case 30 is formed with a sound input / output passage 44 that emits sound generated from a speaker mounted in the space between the first case 30 and the second case 31 or inputs sound to a microphone. ..

The first member 32 is composed of a transparent member 36 formed of a transparent material and a film 38 attached to the surface of the transparent member 36 to form a transparent display window area 40 and a key area 42. To.

Here, the film 38 is coated on the surface of the transparent member 36 by in-mold injection. Here, in-mold injection means that the film 38 is positioned at a predetermined position inside the mold, and when the transparent member 36 is injected, the film 38 on which a predetermined pattern is formed by heat is coated on the surface of the transparent member 36. It is the method to be done. Since such in-mold injection can reduce the number of injection steps, it can contribute to the improvement of productivity.

Here, the film 38 is formed opaque except for the display window area 40 and the key area 42.

The display window area 40 is formed by a transparent portion of the film 38, and the key area 42 is half to prevent the key area 42 from being displayed to the outside when the terminal is turned off and not illuminated. It is formed transparently. As described above, when the mobile terminal is not used, the key area 42 is not displayed to the outside, so that the design can be improved.

The key region 42 is formed from each touch key that transmits a signal to the touch pad in a capacitive manner, and is preferably composed of at least one of a number, a letter, and a symbol.

Such a key area can be formed with a structure that projects so that the user feels a touch when touching the key area.

Since the protruding structure of the key region 42 protrudes in the form of numbers, letters, symbols, etc., a feeling of contact can be felt by touching it, and it is formed in various forms such as a circle, a polygon, and a star. can do. That is, it can be applied to any form in which the user feels a touch when touching the key area.

Here, in the protruding structure of the key region 42, a protrusion 43 for displaying the key region is formed on the surface of the transparent member 36 when the transparent member 36 is manufactured, and the film 38 is coated on the upper surface of the transparent member 36. Then, the film 38 is put on the protrusion 43.

Here, the film 38 can be formed with display portions having various colors for displaying the portion corresponding to the protrusion 43.

The transparent member 36 is preferably formed from a methyl methacrylate polymer.

A speaker mounting portion 50 on which a speaker is mounted is formed on one of the second member 34, and a housing portion 52 in which the edge portion of the first member 32 is housed is formed on the upper surface edge portion thereof, and the lower surface edge thereof is formed. A bolt fastening hole 54 for bolting to the bolt fastening rib 55 formed at the edge of the second case 31 is formed in the portion. Here, it is preferable that the second member 34 is made of a PC material having high impact strength and heat resistance.

The first member 32 and the second member 34 are adhesively fixed to each other. That is, a double-sided adhesive tape 60 is attached between the accommodating portion 52 of the second member 34 and the lower surface edge portion of the first member 32 to bond and fix the space between the first member 32 and the second member 34.

Since the first member 32 and the second member 34 are adhesively fixed, a phenomenon occurs in which the fixed position of the first member 32 changes, but the position of the first member 32 changes. In order to prevent this, each position fixing protrusion 56 protrudes from the lower surface edge portion of the first member 32 at a predetermined interval, and the position fixing protrusion 56 is inserted into the edge portion of the second member 34. A fixing hole 58 is formed.

In this way, when the position fixing protrusion 56 formed on the first member 32 is inserted into the position fixing hole 58 formed on the second member 34, the first member 32 becomes the accommodating portion of the second member 34. It is fixed at the exact position of 52, and it is possible to prevent the position of the first member 32 from being changed.

The case 30 configured as described above can be applied to the case of the terminal main body 20 in addition to the display unit 10 described in the first embodiment of the present invention.

The manufacturing process of the first case 30 of the mobile terminal according to the present invention configured as described above will be described. The film 38 is coated on the surface of the transparent member 36 of the first member 32 by in-mold injection. At this time, the display window area 40 and the key area 42 are formed on the film 38, respectively.

When the first member 32 is completed in this way, the edge portion of the first member 32 is accommodated in the accommodating portion 52 formed on the upper surface of the second member 34, and the first member 32 and the second member 34 The double-sided adhesive tape 60 is positioned between them to bond and fix the first member 32 and the second member 34.

At this time, each position fixing protrusion 56 formed on the lower surface of the first member 32 is inserted into the position fixing hole 58 formed at the edge of the second member 34, and the first member 32 and the second member 34 are inserted. Accurately align the fixed position of.

In the case according to the first embodiment as described above, the display window area 40, the key area 42, and the other display units are not separately installed, but are integrally molded with the first case 30. The design of the first case 30 can be improved and the manufacturing process can be shortened.

FIG. 5 is an exploded perspective view of the display unit according to the second embodiment of the present invention, FIG. 6 is a perspective view in which the case according to the second embodiment of the present invention is partially incised, and FIG. 7 is B of FIG. It is an enlarged view of a part, and FIG. 8 is a cross-sectional view taken along the line CC of FIG.

The display unit according to the second embodiment includes a first case 70, a second case 71 fastened to the first case 70 so as to have a space inside, and a space between the first case 70 and the second case 71. It is composed of a display 12 that is attached to the display 12 to display information, and a keypad 14 to which information is input.

The first case 70 includes a first member 76 provided with a display window area 72 for making information displayed on the display 12 visible from the outside and a key area 74 for inputting information, and an edge of the first member 76. It is composed of a second member 78, which is formed in a portion by a double injection method, is formed of a material different from that of the first member 76, and is fastened to the second case 71.

Inside the first case 70 according to the second embodiment, a display 12 for displaying information and a touch pad for inputting information by a capacitance method are installed.

The first member 76 is formed in an integrated flat plate shape, and a partition wall 80 is formed at a right angle by a predetermined height at the edge thereof. Further, the second member 78 is formed on the accommodating portion 82 formed on the inner surface of the edge portion of the first member 76 by a double injection method, and is blocked by the partition wall 80, so that the second member 78 is not exposed to the outside.

Here, the double injection method is designed to enable double injection using two different materials, an injection machine having two injection devices and a rotating mechanism on a movable plate, or a core or slide structure. This is a method in which a secondary material is filled in the space between the primary molded product and the secondary cavity that were first molded with a mold. Such double injection has few restrictions on the shape, has a wide range of product applications, and can diversify the design. In addition, since it is injected once, the conventional general injection was molded into two parts twice and then subjected to secondary processing in the welding or painting process to commercialize it, but this is done in one molding. The solution has made it possible not only to reduce costs but also to produce products with various designs.

The first member 76 is a transparent member 86 formed of a transparent material, and the surface of the transparent member 86 is coated by in-mold injection to display a transparent display window area 72, a key area 74, and other displays. It is composed of a film 88 on which a portion is formed and a film 88.

The method of coating the transparent member with a film is performed by the same in-mold injection method as the method described in the first embodiment.

The accommodating portion 82 is formed in a form in which the inner surface edge portion of the first member 76 is recessed at a predetermined depth, but the second member 78 is in a state of being inserted into the accommodating portion 82, so that the first member The inner surface of the member 76 is formed to be flat.

The second member 78 is formed of a PC material, and a bolt fastening hole 79 for bolting to the bolt fastening rib 73 formed in the second case 71 is formed on the lower surface thereof.

As described above, in the first case 70 according to the second embodiment, since the second member 78 having a material different from that of the first member 76 is molded on the first member 76 by the double injection method, the design of the case 70 is designed. Can be improved.

FIG. 9 is a perspective view of the mobile terminal according to the third embodiment of the present invention, and FIG. 10 is a sectional view taken along line DD of FIG.

The mobile terminal according to the third embodiment has the same structure as the mobile terminal described in the first embodiment, but the first case has a different structure.

The first case 30 according to the third embodiment is formed of a material different from that of the first member 32, which is fixed to one of the first member 32 in which the display window 40 is integrally formed and the first member 32. It is composed of a second member 34.

The first member 32 is adhesively fixed to the edge of the second member 34.

Here, the first member 32 is formed with a key mounting portion 90 that is mounted so as to operate by pressing each key 92 for inputting information.

The key mounting portion 90 is formed in a hole shape penetrating the first member 32, and is mounted so as to operate by pressing each key 92 in the vertical direction.

Here, each of the keys 92 is composed of a push-type key button whose signal is transmitted to the keypad when it operates by being pressed.

Each such key can also be composed of a wheel type key that performs a scrolling operation. That is, each of the keys is configured separately from the first member 32, and any form of key that is mounted on the key mounting portion 90 formed on the first member 32 and inputs a signal can be applied.

Since the structures of the first member 32 and the second member 34 are the same as the structures of the first member and the second member described in the first embodiment, the description thereof will be omitted.

FIG. 11 is a perspective view of the case according to the fourth embodiment of the present invention, and FIG. 12 is a cross-sectional view of the case according to the fourth embodiment of the present invention.

In the first case 70 according to the fourth embodiment, the display window 72 is integrally molded, and the first member 76 formed so as to penetrate the key mounting portion 93 to which each key 95 is mounted, and the first member 76. It is composed of a second member 78 formed on one side by a double injection method and formed of a material different from that of the first member 76.

Such a first case 70 has the same structure in which the first member and the second member described in the second embodiment are molded by the double injection method, but the touch pad described in the second embodiment has the same structure. Instead, each key button 90 that operates by being pressed is attached.

That is, in the first case 70 according to the fourth embodiment, the key mounting portion 93 to which each key 95 that operates by being pushed by the first member 76 is mounted is formed in a hole shape.

The key 95 can be any key mounted on the key mounting portion 93 separately from the first member 76, such as a push type key button or a wheel type key that executes a scroll function.

Further, since the structures of the first member 76 and the second member 78 are the same as the structures described in the second embodiment, the description thereof will be omitted.

FIG. 13 is a cross-sectional view of the case according to the fifth embodiment of the present invention.

The first case 150 of the mobile terminal according to the fifth embodiment has a transparent member 152 formed of a transparent material and fastened to the second case, and a display window area 156 covered on the surface of the transparent member 152. It is composed of a transparently formed film 154.

The first case 150 according to the fifth embodiment is configured as an integral type, unlike the first case 30 described in the first embodiment, which is composed of the first member 32 and the second member 34. .. That is, the film 154 is attached to the upper surface of the transparent member 152 of the first case 150, and the bolt fastening hole 162 for bolting to the second case is formed on the lower surface edge of the transparent member 152. ..

A key region 158 for inputting information is formed on the film 154. Further, the remaining portion of the film 154 excluding the display window area 156 and the key area 158 is formed opaquely.

At least one key region is projected on the surface of the transparent member 152. That is, various forms of protrusions 160 are projected to improve the contact feeling.

Since the coating method of the transparent member and the film and the structure in which the key region is formed on the transparent member are the same as the method and structure described in the first embodiment, the description thereof will be omitted.

FIG. 14 is a cross-sectional view of the case according to the sixth embodiment of the present invention.

In the first case 170 according to the sixth embodiment, the transparent member 172 formed of a transparent material and fastened to the second case and the display window area 176 are transparently formed by covering the surface of the transparent member 172. The film 174 is composed of a key mounting portion 182 to which each key 180 is mounted separately from the transparent member 172.

A film 174 is attached to the upper surface of the transparent member 172, and a bolt fastening hole 184 for bolting to the second case is formed on the lower surface edge of the transparent member 172.

The key mounting portion 182 is formed in a hole shape penetrating the transparent member 172. Further, the key 180 is composed of a push type key button, a wheel type key having a scroll function, or the like.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings so that those having ordinary knowledge in the technical field to which the present invention belongs can easily carry out the embodiments. However, the present invention can be realized in various forms, and is not limited to the embodiments described here.

As described above, the present invention has been illustrated using the preferred embodiment of the present invention, but the present invention should not be construed as being limited to this embodiment. It is understood that the invention should be construed only by the claims. It will be understood by those skilled in the art that from the description of specific preferred embodiments of the present invention, an equivalent range can be implemented based on the description of the present invention and common general technical knowledge.

<figref num="1">It is a perspective view of the mobile terminal according to 1st Embodiment of this invention.</figref><figref num="2">It is an exploded perspective view of the display unit according to 1st Embodiment of this invention.</figref><figref num="3">It is a perspective view of the 1st case by 1st Embodiment of this invention.</figref><figref num="4">FIG. 3 is a sectional view taken along line AA in FIG.</figref><figref num="5">It is an exploded perspective view of the display unit according to the 2nd Embodiment of this invention.</figref><figref num="6">It is a perspective view which partially incised the exterior case according to 2nd Embodiment of this invention.</figref><figref num="7">It is an enlarged view of the part B of FIG.</figref><figref num="8">FIG. 5 is a sectional view taken along line CC of FIG.</figref><figref num="9">It is a perspective view of the mobile terminal according to the 3rd Embodiment of this invention.</figref><figref num="10">FIG. 9 is a sectional view taken along line DD of FIG.</figref><figref num="11">It is a perspective view of the case by 4th Embodiment of this invention.</figref><figref num="12">It is sectional drawing of the case by 4th Embodiment of this invention.</figref><figref num="13">It is sectional drawing of the case by 5th Embodiment of this invention.</figref><figref num="14">It is sectional drawing of the case by 6th Embodiment of this invention.</figref><figref num="15">It is a perspective view of a conventional mobile terminal.</figref>

Code description

10: Display unit 12: Display 14: Keypad 20: Terminal body 30: First case 31: Second case 32: First member 34: Second member 36: Transparent member 38: Film 40: Display window 42: Touch key