JP6725621B2 - Mobile terminal manufacturing method and mobile terminal - Google Patents

Description

The present invention relates to a mobile terminal manufacturing method and a mobile terminal.

Conventionally, as shown in FIG. 18, a smartphone 54 is known in which an LCD module 50 in which an FPC (flexible printed circuit board) 50b is foldably connected to an LCD (liquid crystal display) 50a is provided inside a housing 52. Here, the plug-side connector 56 is connected to the tip portion of the FPC 50b.

In the manufacturing process of this smartphone 54, first, as shown in FIG.
The D module 50 is arranged, and the LCD module 50 is mounted on a housing 52 by a fixed chassis (not shown).
After being fixed to the board 64, as shown in FIG. 19, the board 64 on which the receptacle-side connector 62 is connected
On the fixed chassis. Next, as shown in FIG. 20, the FPC 50b is folded and the plug-side connector 56 is connected to the receptacle-side connector 62.

By the way, as described above, in the conventional smartphone 54, since the worker needs the connecting step of connecting the plug-side connector 56 to the receptacle-side connector 62, the number of manufacturing steps of the smartphone 54 increases and the manufacturing cost increases. There was a problem.

Further, in the connecting step, the fibers of the glove fitted in the hand of the worker may be caught in the connection terminal of the receptacle-side connector 62, and the connection terminal may be deformed during assembly.

It is an object of the present invention to provide a method for manufacturing a mobile terminal and a mobile terminal manufactured by the manufacturing method, the manufacturing cost of which is reduced.

A method of manufacturing a mobile terminal according to the present invention includes a contact portion that contacts a plug-side contact, a holding portion that is held by an insulator, a tension portion that is formed between the contact portion and the holding portion, and the holding portion. A connecting terminal that has a connecting portion that is connected to and connected to the cable, and is pressed against a plug-side contact that is configured by a flat surface, and that is electrically connected to the plug-side contact; and a terminal surface of the plug-side contact. A mating plane configured to be substantially parallel to each other, an opening window formed in the mating plane, and an insulator having an accommodating portion for accommodating the connection terminal, wherein the contact portion extends from the opening window to the plug side. A method of manufacturing a mobile terminal using a connector projecting in the direction of a contact, comprising: an arranging step of arranging a module to which the connector is connected at a predetermined position in a housing; It is characterized by including a fixing step of fixing and a board arranging step of covering the fixed chassis with a main board.

Further, in the method for manufacturing a portable terminal of the present invention, the cable connected to the connector has a structure in which the cable is foldably connected to the module, and the connector is formed by folding the cable. The method further comprises a folding step of fixing to the fixed chassis. Further, the manufacturing method of the mobile terminal of the present invention is characterized in that the connection portion is mounted on a substrate to which the cable is connected and connected. Further, the manufacturing method of the mobile terminal of the present invention is characterized in that the module uses an FPC as the cable. Further, the manufacturing method of the mobile terminal of the present invention is characterized in that the module is an LCD module using an LCD as the module body.

Also, the mobile terminal of the present invention includes a contact portion that contacts the plug-side contact, a holding portion that is held by an insulator, a tension portion that is formed between the contact portion and the holding portion, and a connection portion that is connected to the holding portion. A connecting terminal electrically connected to the plug-side contact by pressing a plug-side contact composed of a flat surface having a connecting portion connected to the cable and a terminal surface of the plug-side contact. A mating plane formed in parallel, an opening window formed in the mating plane, and an insulator having a housing portion for housing the connection terminal, wherein the contact portion extends from the opening window to the plug-side contact. A mobile terminal having a connector protruding in the direction of, a housing, a module connected to the connector, arranged in the housing, a fixed chassis for fixing the module to the housing, and the fixed body. The main board is connected to the connector connected to the module fixed to the chassis.

Also, the mobile terminal of the present invention has a structure in which the cable in which the module is connected to the connector is foldably connected to the module, and the cable is folded in the module. The connected connector is fixed to the fixed chassis. Further, the portable terminal of the present invention is characterized in that the connection portion is mounted on a board to which the cable is connected and connected. Further, the mobile terminal of the present invention is characterized in that the module uses an FPC as the cable. Further, the mobile terminal of the present invention is characterized in that the module is an LCD module using an LCD as the module body.

According to the present invention, it is possible to provide a manufacturing method of a mobile terminal with a reduced manufacturing cost and a mobile terminal manufactured by this manufacturing method.

It is a perspective view which shows the external appearance of the connector which concerns on embodiment. It is sectional drawing which cut|disconnected the connector which concerns on embodiment in the lateral direction. FIG. 3 is a perspective view showing a cross section in the lateral direction of the connector according to the embodiment. It is a perspective view of a connection terminal concerning an embodiment. It is the figure which looked at the connection terminal concerning an embodiment from the arrangement direction. It is the figure which looked at the connection terminal concerning an embodiment from the direction orthogonal to the arrangement direction. It is a figure which shows the connector and plug side contact which concern on embodiment. It is a figure which shows the connector and plug side contact which concern on embodiment. It is a figure which shows the state which the terminal surface of the plug side contact which concerns on embodiment contacts the contact part. It is a figure which shows the state which the side protection part which concerns on embodiment contacts the stopper. It is a figure which shows the state which the side protection part which concerns on embodiment contacts the stopper. It is a figure which shows the state which the LCD module which concerns on embodiment is arrange|positioned at the housing|casing. It is a figure which shows the state which the LCD module which concerns on embodiment is being fixed by the fixed chassis. It is a figure which shows the state which FPC connected to the LCD module which concerns on embodiment was folded. It is a figure which shows the state which covered the main board on the fixed chassis which concerns on embodiment. It is a figure which shows the contact terminal structure which concerns on other embodiment. It is a figure which shows the contact terminal structure which concerns on other embodiment. It is a figure which shows the manufacturing process of the conventional smart phone. It is a figure which shows the manufacturing process of the conventional smart phone. It is a figure which shows the manufacturing process of the conventional smart phone. It is a figure which shows a connection terminal. It is a figure which shows a connection terminal. It is a figure which shows the fixed chassis for camera modules which concerns on other embodiment. It is a figure which shows the state which FPC connected to the camera module which concerns on other embodiment was fixed to the fixed chassis. The figure which shows the state which covered the main board on the fixed chassis which concerns on other embodiment. It is a figure which shows the manufacturing process of the conventional smart phone. It is a figure which shows the manufacturing process of the smart phone which concerns on other embodiment. It is a figure which shows the manufacturing process of the smart phone which concerns on other embodiment. It is a figure which shows the manufacturing process of the smart phone which concerns on other embodiment.

Hereinafter, a connector according to an embodiment of the present invention will be described with reference to the drawings. FIG. 1 is a perspective view showing the appearance of a connector according to an embodiment. 2 is a cross-sectional view of the connector according to the embodiment cut in the lateral direction, and FIG. 3 is a perspective view showing a cross-section of the connector according to the embodiment in the lateral direction.

As shown in FIGS. 1 to 3, the connector 2 includes a connection terminal 4 and a connection terminal that are electrically connected to the plug-side contact 20 by pressing the plug-side contact 20 (see FIG. 7) configured in a plane. It is constituted by an insulator 6 which accommodates 4. Here, the connector 2 has a rectangular shape in a plan view, and a plurality of connection terminals 4 are arranged along both edges of the insulator 6 in the longitudinal direction.

The connection terminal 4 includes a dome-shaped contact portion 4 a that contacts the plug-side contact 20, and a holding portion 4 b that is held by the insulator 6. Further, a tension portion 4c formed in a substantially U shape and having elasticity is provided between the contact portion 4a and the holding portion 4b. Further, a connecting portion 4d that is connected to the circuit board 22 (see FIG. 7) is connected to the holding portion 4b.

In addition, the insulator 6 includes a fitting plane 6a configured to be substantially parallel to the terminal surface 20b of the plug-side contact 20 (see FIG. 8) and a housing portion 6b that houses the connection terminal 4. Has a rectangular opening window 6c that projects the contact portion 4a toward the plug-side contact 20.

The insulator 6 inside the opening window 6c is provided with a stopper 6d that prevents the contact portion 4a from being buried in the fitting plane 6a when the plug-side contact 20 is pressed. The stoppers 6d are provided so as to be paired at positions sandwiching the connection terminal 4 in the opening window 6c.

FIG. 4 is a perspective view of the connection terminal 4 according to the embodiment. 5 is a view of the connection terminals 4 viewed from the arrangement direction, and FIG. 6 is a view of the connection terminals 4 viewed from a direction orthogonal to the arrangement direction.
As shown in FIGS. 4 to 6, the connection terminal 4 has a free end 8 extending from the tension portion 4c toward the contact portion 4a. Here, at the tip of the free end 8, there is provided a bent portion 8a that bends in a substantially U shape toward the tension portion 4c.

Further, side protection portions 10 projecting in a U shape in a direction opposite to the plug side contact 20 are formed on both sides of the free end 8 of the connection terminal 4 in a direction orthogonal to the extending direction of the tension portion 4c. .. Here, the side protection part 10 is located at a position where it is buried in the fitting plane 6a of the insulator 6 (see FIG. 2). The projecting shape of the side protection portion 10 may be V-shaped instead of U-shaped.

Next, the displacement of the connection terminal 4 when the plug side contact 20 is connected to the connector 2 according to the embodiment will be described with reference to the drawings. First, as shown in FIGS. 7 and 8, the plug-side contact 20 is arranged on the connector 2 connected to the circuit board 22. Next, as shown in FIG. 9, when the plug-side contact 20 is pressed against the connector 2, the terminal 20 a of the plug-side contact 20 is pressed.
Contacts the contact portion 4a, and the connector 2 and the plug-side contact 20 are electrically connected.

Here, when the plug-side contact 20 is further pressed, the tension portion 4c is compressed and the contact portion 4a moves downward (in the direction opposite to the plug-side contact 20), as shown in FIGS. The tip of the side protector 10 contacts the stopper 6d. As a result, the contact portion 4a can be prevented from being displaced beyond the elastic limit of the connection terminal 4, and the connection terminal 4 can be prevented from being plastically deformed.

Next, a manufacturing process of a smartphone using the connector 2 according to the embodiment will be described with reference to the drawings. In the manufacturing process of the smartphone, the main board 40 (see FIG. 15) is used as the plug-side contact 20, and the LCD module 3 is used as the circuit board 22.
0 (see FIG. 12) is used.

First, as shown in FIG. 12, the LCD module 30 in which the FPC 30b is foldably connected to the LCD body 30a is placed in the housing 32 (arrangement step). Where FP
The connector 2 is preliminarily connected to the back surface 30d of the tip portion 30c of the C30b.

Next, as shown in FIG. 13, a fixed chassis 36 is placed over the LCD module 30, and the LCD chassis 30 is fixed to the housing 32 by the fixed chassis 36 (fixing step).
.. Here, the fixed chassis 36 is provided with a guide portion 36a for disposing the front end portion 30c of the folded FPC 30b.

Next, the adhesive layer 38 is arranged in the region 36b formed by the guide portion 36a (adhesive layer arrangement step), and the FPC 30b is folded in the direction of arrow A (folding step). As a result, the surface 30e of the tip portion 30c of the folded FPC 30b is bonded to the guide portion 36a as shown in FIG. 14 (bonding step).

Next, as shown in FIG. 15, after the main board 40 is covered with the fixed chassis 36 to electrically connect the main board 40 and the connector 2, a rear housing (not shown) is further attached to the main board 40.
And the smartphone 34 is completed.

According to the method for manufacturing a smartphone according to this embodiment, the worker does not have a connecting step for connecting the plug-side connector 56 to the receptacle-side connector 62 as in the conventional case (see FIG. 20 ), so that the manufacturing process can be simplified. Therefore, the manufacturing cost of the smartphone 34 can be reduced.

Further, the contact portion 4a of the connector 2 has a dome shape, the bent portion 8a is provided at the tip of the free end 8, and the side protection portion 10 is located at a position to be buried in the fitting plane 6a of the insulator 6. Therefore, for example, even when an operator touches the contact portion 4a with a gloved hand, the fibers of the glove can be prevented from being caught on the contact portion 4a. For this reason, it is possible to provide the connector 2 having a contact terminal structure that is not easily deformed during assembly.

In the above-described embodiment, the contact terminal 70a has a chevron-shaped connection terminal 70 as shown in FIG. 16, and the contact portion 70a has a hemispherical-shaped connection terminal 7 as shown in FIG.
2 may be used. In this case, the lower peripheral edge portions 70b, 72b of the contact portions 70a, 72a are embedded in the fitting plane 6a (see FIG. 3). Even in these cases, it is possible to realize a contact terminal structure having a shape that is unlikely to be deformed during assembly.

Further, in the above-mentioned embodiment, a stopper may be formed on the holding portion 4b. In this case, when the terminal 20a of the plug-side contact 20 contacts the contact portion 4a and then the plug-side contact 20 is further pressed, the tip of the bent portion 8a contacts the holding portion 4b.

In addition, in the above-described embodiment, the adhesive layer 38 may be arranged in advance in the region 36b surrounded by the guide portion 36a. In addition, the adhesive layer 38 is not arranged in the region 36b,
The tip portion 30c of 30b may be directly fixed to the guide portion 36a.

Further, in the above-described embodiment, the connector 2 may be provided with the connection terminals 74 and 76 shown in FIGS.

Further, in the above-described embodiment, as shown in FIG. 24, the camera module 84 including the FPC 82 that is connected to the image sensor 80 and connects the connector 2 to the one end 82a is used in the manufacturing process of the smartphone 86. Good. In this case, first, as shown in FIG. 23, the LCD module 30 is fixed to the housing 32 by the fixed chassis 88, and then, as shown in FIG. 24, the imaging element 80 is provided in the opening 88 a formed in the fixed chassis 88. Is arranged, and the guide portion 8
The end portion 82a of the FPC 82 is arranged in the region 88c formed by 8b.

Next, as shown in FIG. 25, after the main substrate 40 is covered with the fixed chassis 88 to electrically connect the main substrate 40 and the connector 2, a rear housing (not shown) is further attached to the main substrate 40.
And the smartphone 86 is completed. Also in this case, unlike the conventional manufacturing process shown in FIG. 26, there is no connecting process for connecting the plug side connector 101 to the receptacle side connector 102, unlike the conventional manufacturing process, so that the manufacturing process can be simplified.

In addition to the LCD module 30 and the camera module 84, an F connected to a speaker
A speaker module for connecting the connector 2 to the PC, a vibrator module for connecting the connector 2 to the FPC connected to the vibrator, a battery module for connecting the connector 2 to the FPC connected to the battery, and a connector 2 to the FPC connected to the microphone. A microphone module for connection, an operation switch module for connecting the connector 2 to the FPC connected to the operation switch, and the like may be used in the above manufacturing process. Further, the board module (interface connector, sub-circuit, etc.) may be used in the above-described manufacturing process.

Further, in the above-described embodiment, as shown in FIG. 27, the FPC 9 is attached to the LCD body 90a.
The flat type LCD module 90 to which 0b is connected may be used in the manufacturing process of the smartphone 92. Here, the connector 2 is preliminarily connected to the tip portion of the FPC 90b.

In this case, first, as shown in FIG. 27, the LCD module 90 is arranged in the housing 32. Next, as shown in FIG. 28, the fixed chassis 94 having the opening 94a exposing the connector 2 is arranged on the LCD module 90, and the LCD chassis 90 is fixed to the housing 32 by the fixed chassis 94. Next, as shown in FIG. 29, after the main board 40 is covered with the fixed chassis 94 to electrically connect the main board 40 and the connector 2, a rear housing (not shown) is further covered with the main board 40. The smartphone 92 is completed.

This makes it possible to realize a simple manufacturing process that does not include a folding process (see FIG. 13) for folding the FPC 30b.

Further, in the above-described embodiment, the manufacturing process of the smartphone is described as an example, but the manufactured mobile terminal is not limited to the smartphone and may be a tablet terminal.

Further, in the above-described embodiment, a module in which the connector 2 is connected to an FFC cable, an electric wire or the like may be used instead of the FPC 30b.

2... Connector, 4... Connection terminal, 4a... Contact part, 4b... Holding part, 4c... Tension part, 4e
... connection part, 6... insulator, 6a... fitting plane, 6c... open window, 6d... stopper, 8... free end, 8a... bent part, 10... side protection part, 20... plug side contact, 20a... terminal, 22... Circuit board, 30... LCD module, 30a... LCD body, 30b... FPC, 34... Smartphone, 40... Main board

Claims (18)

A contact portion that contacts the plug-side contact, a holding portion that is held by an insulator, a tension portion that is formed between the contact portion and the holding portion, and a connecting portion that is connected to the holding portion and that is connected to a cable. And a connection terminal electrically connected to the plug-side contact by pressing the plug-side contact composed of a flat surface,
A mating plane configured to be substantially parallel to the terminal surface of the plug-side contact, an opening window formed in the mating plane, and an insulator having a housing portion for housing the connection terminal,
A method of manufacturing a mobile terminal using a connector, wherein the contact portion projects from the opening window in the direction of the plug-side contact,
An arranging step of arranging the module to which the cable is connected at a predetermined position in a housing;
A positioning and fixing step of determining the position of the connector connected to the cable with respect to the positioning and fixing member, and fixing the connector to the positioning and fixing member;
A fixing step of fixing the module to the housing ,
A board arranging step of connecting the connection terminal of the connector and the plug-side contact provided on the main board by covering the module with the main board in a state of being positioned with respect to the positioning fixing member. A method for manufacturing a mobile terminal, comprising: The method for manufacturing a mobile terminal according to claim 1, wherein the positioning fixing member is a fixed chassis arranged between the housing or the module and the main board. The positioning and fixing step determines the position of the connector by exposing the connector from an opening provided in the fixed chassis,
In the board placement fixing, the connection terminal and the plug-side contact are connected by covering the module with the main board in a state where the plug-side contact is positioned with respect to the opening. Item 2. A method for manufacturing a mobile terminal according to item 2. The cable connected to the connector has a structure foldably connected to the module,
In the fixing step, the module is fixed to the housing with the fixed chassis,
The method of manufacturing a mobile terminal according to claim 2 , wherein in the positioning and fixing step, the position of the connector with respect to the fixed chassis is determined by folding the cable, and the connector is bonded to the fixed chassis. The method for manufacturing a mobile terminal according to claim 1 , wherein the connecting portion is mounted on a board to which the cable is connected and connected. A contact portion that contacts the plug-side contact, a holding portion that is held by an insulator, a tension portion that is formed between the contact portion and the holding portion, and a connecting portion that is connected to the holding portion and that is connected to a cable. And a connection terminal electrically connected to the plug-side contact by pressing the plug-side contact composed of a flat surface,
An insulator having a fitting plane configured to be substantially parallel to the terminal surface of the plug-side contact, an opening window formed in the fitting plane, and a storage section for storing the connection terminal.
Equipped with
A method of manufacturing a mobile terminal using a connector, wherein the contact portion projects from the opening window in the direction of the plug-side contact,
An arranging step of arranging the module to which the connector is connected at a predetermined position in a housing;
A fixing step of fixing the module to the housing with a fixed chassis;
A substrate placement step of covering the fixed chassis with a main substrate,
The method of manufacturing a mobile terminal, wherein the connection part is mounted on a board to which the cable is connected and connected. The cable connected to the connector has a structure that is foldably connected to the module, and further includes a folding step of fixing the connector to the fixed chassis by folding the cable. 7. The method for manufacturing a mobile terminal according to claim 6, wherein. The method of manufacturing a mobile terminal according to claim 1 , wherein the module uses an FPC as the cable. The method of manufacturing a mobile terminal according to claim 1 , wherein the module is an LCD module using an LCD as the module body. A contact portion that contacts the plug-side contact, a holding portion that is held by an insulator, a tension portion that is formed between the contact portion and the holding portion, and a connecting portion that is connected to the holding portion and that is connected to a cable. And a connection terminal electrically connected to the plug-side contact by pressing the plug-side contact composed of a flat surface,
A mating plane configured to be substantially parallel to the terminal surface of the plug-side contact, an opening window formed in the mating plane, and an insulator having a housing portion for housing the connection terminal,
A mobile terminal, wherein the contact portion includes a connector protruding from the opening window in the direction of the plug-side contact,
A housing,
Wherein arranged in the housing Ru fixed, a module for the cable is connected,
A positioning fixing member that determines the position of the connector connected to the cable and fixes the connector,
A mobile terminal, comprising: a main board provided with the plug-side contact that is connected to the connection terminal of the connector by covering the module while being positioned with respect to the positioning fixing member . The mobile terminal according to claim 10, wherein the positioning fixing member is a fixed chassis arranged between the housing or the module and the main board. The mobile terminal according to claim 11, wherein the fixed chassis includes an opening that exposes the connector. The module has a structure in which the cable connected to the connector is foldably connected to the module,
The fixed chassis has an adhesive portion for adhering the connector,
The mobile terminal according to claim 11 , wherein the connector is adhered to the adhesive portion while being positioned with respect to the fixed chassis by folding the cable . The mobile terminal according to any one of claims 10 to 13, wherein the connecting portion is mounted on a board to which the cable is connected and connected. A contact portion that contacts the plug-side contact, a holding portion that is held by an insulator, a tension portion that is formed between the contact portion and the holding portion, and a connecting portion that is connected to the holding portion and that is connected to a cable. And a connection terminal electrically connected to the plug-side contact by pressing the plug-side contact composed of a flat surface,
An insulator having a fitting plane configured to be substantially parallel to the terminal surface of the plug-side contact, an opening window formed in the fitting plane, and a storage section for storing the connection terminal.
Equipped with
A mobile terminal, wherein the contact portion includes a connector protruding from the opening window in the direction of the plug-side contact,
A housing,
A module in which the connector is arranged, which is arranged in the housing,
A fixed chassis for fixing the module to the housing;
A main board connected to the connector connected to the module fixed to the fixed chassis;
The mobile terminal is characterized in that the connection part is mounted on a board to which the cable is connected and connected. The module has a structure in which the cable connected to the connector is foldably connected to the module,
The mobile terminal according to claim 15, wherein the connector connected to the cable folded with respect to the module is fixed to the fixed chassis. The mobile terminal according to claim 10 , wherein the module uses an FPC as the cable. The mobile terminal according to any one of claims 10 to 17, wherein the module is an LCD module using an LCD as the module main body.

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