JP2004159173A - Foldable mobile electronic instrument - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a foldable mobile electronic instrument in which wiring and assembling work of various electronic parts to be stored in one enclosure can be easily carried out and the various electronic parts can be easily repaired and inspected, and which is suitably made thin. <P>SOLUTION: The foldable mobile electronic instrument comprises an upper casing 1 wherein various electronic parts 7A, 7B, 7C, and 8 including first and second LCDs 41 and 42 are stored, a lower casing wherein a main substrate having a battery and a control part mounted therein is stored, a hinge part for freely turnably coupling these casings, a unit substrate 5 provided in the upper casing 1, and a flexible substrate 6 having a mounting part 6A where various electronic parts 7A, 7B, 7C, and 8 are detachably attached in the upper casing 1 via holders and are held on the unit substrate 5 in a stacked state and a connection part 6B which is led out from the mounting part 6A and is connected to the battery in the lower casing via the inside of the hinge part. <P>COPYRIGHT: (C)2004,JPO

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a foldable portable electronic device that can be integrated into a unit (module) by integrally fixing at least electronic components such as a camera and a receiver on a substrate provided inside the foldable portable electronic device. It is.
[0002]
[Prior art]
2. Description of the Related Art In mobile phones, in addition to a rod-shaped (straight) type housing, many folding types have been developed and used.
In addition, in recent years, various functions have been added to this mobile phone. For example, in this foldable mobile phone, the liquid crystal display is provided in the upper housing portion provided with the liquid crystal display. In addition, many cameras equipped with a camera have been proposed and developed.
[0003]
Further, in such mobile phones, there have been developed those in which a liquid crystal display is provided not only on the inner surface but also on the outer surface of the upper housing, and a CCD camera and the like are separately provided on the inner and outer surfaces, respectively.
[0004]
Under these circumstances, between the various electronic components provided in the upper housing and the battery, control board, and the like provided in the lower housing, power is supplied to these various electronic components and signals are transmitted and received. Requires a large number of wires.
[0005]
Therefore, a foldable mobile phone is usually provided with a flexible board (hereinafter, referred to as an FPC board) through the inside of a hinge portion that rotatably connects the upper housing and the lower housing. By electrically connecting the electronic components inside the upper housing to the battery provided in the lower housing and a control unit mounted on the main board through the FPC board, these electronic components can be connected to each other. It is configured to perform power supply and signal transmission / reception (for example, see Patent Document 1).
[0006]
[Patent Document 1]
JP-A-8-321370 (page 3, right column, lower row, FIGS. 5 and 6)
[0007]
[Problems to be solved by the invention]
However, in recent years, in such a mobile phone, the number of electronic components in the upper housing has been increased due to the multifunctionality as described above. Since the number of wirings for electrical connection between a battery provided in the housing and a control unit mounted on the main board is also increasing, this wiring work is complicated and troublesome.
[0008]
Further, in such a foldable mobile phone, when a failure occurs or an inspection is performed on an internal electronic component or the like, as described above, when the number of electronic components inside the upper housing increases, the number of electronic components inside the upper housing increases. , Repair and inspection is troublesome and difficult.
[0009]
In addition, as the number of electronic components in the upper housing increases, the number of steps for assembling these electronic components also increases, and as a result, the time required for assembling work increases. There is a demand for the development of a means capable of performing a typical assembly.
[0010]
In view of the circumstances described above, the present invention facilitates wiring and assembling work of various electronic components housed in one housing, and performs repair and inspection of these various electronic components. It is an object of the present invention to provide a foldable portable electronic device that is easy to use and suitable for thinning.
[0011]
[Means for Solving the Problems]
A foldable portable electronic device according to the present invention includes a housing housing various electronic components including a liquid crystal display, a battery for supplying power to the various electronic components including the liquid crystal display, and the various electronic components. A foldable portable electronic device comprising: a second housing accommodating a main board for mounting a control unit for controlling components; and a hinge unit rotatably connecting the respective housings,
A unit substrate provided inside the one housing to fix and hold the liquid crystal display via a liquid crystal holder,
A mounting unit for detachably attaching the various electronic components via the respective holders in the one housing and holding the electronic components in a stacked state on the unit substrate; and the various electronic components including the liquid crystal display and at least the battery or the The battery or the battery which is drawn out from the mounting portion inside the one housing and provided over the inside of the other housing via the inside of the hinge portion to electrically connect with the control portion. And a flexible substrate having a connection portion connected to the control portion.
[0012]
This makes it easy to wire and assemble the liquid crystal display and various electronic components housed inside one of the housings, and also to easily repair and inspect these various electronic components. In addition, the thickness can be reduced.
[0013]
Further, the foldable portable electronic device of the present invention is characterized in that all of the electronic components are configured to be stopped from one surface side of the unit substrate via the respective holders.
[0014]
Accordingly, since the operation of mounting the liquid crystal display and all the electronic components on the unit substrate does not involve the operation of inverting the unit substrate, the mounting operation can be performed easily, and the mounting operation can be easily automated. It becomes feasible.
[0015]
Further, the foldable portable electronic device according to the present invention is characterized in that the flexible substrate includes a substantially square-shaped region surrounding the liquid crystal display and laminated on the unit substrate.
[0016]
Thereby, the flexible substrates can be arranged in a laminated state with a minimum installation space, and the flexible substrates can be fixed in a stable laminated state.
[0017]
Further, the foldable portable electronic device according to the present invention is characterized in that the liquid crystal holder is provided with a liquid crystal display facing both sides of the one housing.
[0018]
Thereby, even when the liquid crystal display is mounted on both sides of the unit substrate, similarly, wiring and assembling work of various electronic components housed inside one housing are easy, Moreover, it is easy to perform a failure or an inspection, and furthermore, it is possible to reduce the thickness.
Further, in the operation of attaching all the electronic components to the unit substrate to form the unit, similarly, the troublesome operation of reversing the unit substrate is not involved.
[0019]
Further, the foldable portable electronic device of the present invention is characterized in that the electronic component includes at least a camera provided on both surfaces of the one housing and a receiver provided on one surface of the one housing. .
[0020]
Accordingly, at least in the work of attaching the electronic components including the camera provided on both surfaces of one housing and the receiver provided on one surface of the one housing to the unit substrate to form a unit, similarly, inside the one housing, Wiring and assembling work of various electronic components to be housed are easy, and furthermore, it is easy to perform failures and inspections, and furthermore, it is possible to reduce the thickness.
Further, in the operation of attaching all the electronic components to the unit substrate to form the unit, similarly, the troublesome operation of reversing the unit substrate is not involved.
[0021]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
FIG. 1 shows a foldable mobile phone according to an embodiment of the present invention. The foldable mobile phone includes various electronic components including a liquid crystal display (hereinafter, referred to as an LCD) 4 and the like. An upper housing 1 accommodated therein, a lower housing 2 accommodating a battery and a main board (both not shown) for supplying power to various electronic components, and these housings 1 and 2 are rotatable. And a hinge part 3 connected to the hinge.
[0022]
As shown in FIG. 2, the upper housing 1 is formed by joining the inner case 1A and the outer case 1B so as to close each other. The LCD 4 and a unit portion 10 in which various electronic components to be described later are unitized integrally with a unit substrate 5. The unit portion 10 also includes a flexible substrate (hereinafter, referred to as an FPC substrate) 6. They are installed in a stacked state.
[0023]
In the lower housing 2, a control unit (not shown) for controlling the LCD 4 and various electronic components 5 is mounted on a main board (not shown), and a battery pack 21, an operation key 22, a microphone (Transmitter) 23 and the like (both not shown).
[0024]
The hinge portion 3 has a substantially hollow cylindrical shape, and a part of a connection portion 6B (see FIG. 2) of the FPC board 6, which will be described later, is inserted therein.
[0025]
As shown in FIG. 3, the LCD 4 according to the present embodiment has a large LCD 41 (hereinafter, referred to as a first LCD) arranged toward the inner surface of the upper housing 1 and an LCD 4 arranged toward the outer surface of the upper housing 1. It comprises a small LCD 42 (hereinafter, referred to as a second LCD). Further, the first LCD 41 and the second LCD 42 are fixed to the unit substrate 5 via locking claws (not shown) provided on the liquid crystal holder 41A and the liquid crystal holder 42A, respectively.
[0026]
That is, in FIG. 3, the first LCD 41 is fitted and fixed in the recess 5A on one surface (inner surface) side of the unit substrate 5 and receives light from the light guide plate 41B for backlight light guide provided on the back side. While being illuminated, the liquid crystal image to be formed can be observed from the inner surface side via the cover glass 41C of the LCD cover 41D. The LCD cover 41D is fixed to the inner case 1A.
[0027]
On the other hand, the second LCD 42 is fixed to the recess 5B on the other surface (outer surface) side of the unit substrate 5, and is illuminated with light from the light guide plate 42B for guiding the backlight, and a liquid crystal image to be formed is formed. The CLCD cover 42D can be observed from the outside through the cover glass 42. The LCD cover 42D is fixed to the outer case 1B.
[0028]
As shown in FIGS. 4 and 5, the first LCD 41 and the second LCD 42 are provided on the FPC board 6 side for connection with a driver circuit (not shown) for driving these LCDs and the above-described battery. And an LCD connector 43 connected to the connector 61.
[0029]
As shown in FIG. 3, the unit substrate 5 has a first LCD 41 and a second LCD 42 mounted on the inner and outer surfaces, respectively, and holds the FPC board 6 so as to surround the second LCD 42 with the locking claws 51 (FIG. 4). (See Reference).
[0030]
As shown in FIG. 2, the FPC board 6 is formed of a suitable flexible resin material in a thin plate shape, and roughly includes a mounting portion 6A and a connection portion 6B.
[0031]
Of these, the mounting portion 6A surrounds the second LCD 42 on the outer surface of the unit substrate 5 inside the upper housing 1 on which the second LCD 42 is mounted, that is, on the upper surface shown in FIG. In order to stack and hold in such a state, the central part is formed in a substantially rectangular shape, and in the peripheral part, each electronic component can be detachably attached to an appropriate part via each holder described below. Installed.
[0032]
On the other hand, the connection portion 6B is for electrically connecting between various electronic components described below including the first LCD 41 and the second LCD 42, a battery (not shown) provided inside the lower housing 2 and a control portion, respectively. In order to be drawn out from the mounting portion 6A and pass through the inside of the hinge portion 3, the intermediate portion is formed in a narrow band shape in which a plurality of connecting wires are arranged, and the narrow band portion is terminated at the end. A connector 63 and the like for connecting to the battery and the control unit inside the lower housing 2 are formed in the portion.
[0033]
As the electronic components of the upper housing 1, an inner camera 7A (FIG. 7 (FIG. 7)) is disposed to face the photographing window 11 opened in the inner case 1A and the photographing window 41E of the LCD cover 41D for photographing the user or the like. A)) and an outer camera 7B (FIG. 7 (B)) arranged to face the photographing window 12 opened in the outer case 1B and the photographing window 42E of the LCD cover 42D for photographing the other party or the outside scenery. ), An LED 7C, a speaker (not shown), a receiver (receiver) 8, an IrDA 9 for infrared communication, and the like.
[0034]
The inside camera 7A and the outside camera 7B are mounted on a camera unit 71 as shown in FIG. 2, and are detachably attached to the flexible substrate 6 via a camera holder 72.
As shown in FIGS. 4 and 6, the inner camera 7A and the outer camera 7B have an FPC board 6 for connection with the above-mentioned control unit (not shown) for the drive control unit and a battery. And a camera connector 73 connected to the connector 62 provided on the intermediate portion side.
[0035]
The LED 7C emits light at the time of an incoming call or the like to notify the outside, and is integrally fixed to the camera unit 71 in the vicinity of the outer camera 7B, and the opened window 13 and the LCD of the outer case 1B. It is arranged facing the window 42F of the cover 42D.
[0036]
On the other hand, a speaker (not shown) is directly fixed to the outer case 1B, and a receiver (receiver) 8 is detachably attached to the flexible substrate 6 via a receiver holder 81.
[0037]
Next, a method of mounting the flexible substrate 6 and various electronic components on the unit substrate 5 in the foldable mobile phone according to the present embodiment will be described with reference to FIGS.
(1) First, as shown in FIG. 8, a unit substrate 5 on which the first LCD 41 and the second LCD 42 are attached is prepared in advance, and this is set on an appropriate fixing means, for example, a predetermined jig (not shown). (1st work process).
(2) Next, as shown in FIG. 9, the receiver holder 81 is fixed to the claws 52 provided on one end (the upper part in FIG. 9) of the unit substrate 5 (second mounting step).
(3) Then, as shown in FIG. 10, the receiver 8 is mounted on the receiver holder 81 (third mounting step).
[0038]
(4) Next, as shown in FIG. 11, the camera holder 72 is fixed to the claws 53 provided on the other end (the lower part in FIG. 11) of the unit substrate 5 (fourth mounting step).
(5) Then, as shown in FIG. 12, the FPC board 6 is mounted on one surface of the unit substrate 5 on which the second LCD 42 is mounted (the upper (front) surface in FIG. 12), and locking means and positioning means to be described later are used. (Fifth mounting step). In other words, the FPC board 6 locks the inner edge of the substantially square-shaped portion constituting the mounting portion 6A by the claws 51 provided at four positions on the upper, lower, left, and right sides of the unit board 5, and Positioning is performed by inserting the positioning pins 64 provided at the four upper, lower, left, and right positions of the FPC board 6 corresponding to the pins 54 erected at the four left and right locations.
[0039]
(6) Next, as shown in FIG. 13, the lock member 82 is stopped and fixed from above the receiver 8 mounted on the receiver holder 81 (sixth mounting step). By fixing the lock member 82, an electrode 65 (see FIG. 12) provided on the back surface of the substantially U-shaped protruding portion 65A protruding above the FPC board 6 is provided on the receiver 8 in FIG. Conduction can be achieved by contacting the outer electrode.
(7) Then, as shown in FIG. 14, the auxiliary FPC board 5A attached to the unit board 5 in a state protruding rightward is bent toward the front side, and the connector 43 (see FIG. 13) is fitted to the connector 61 (see FIG. 12) provided on the FPC board 6 (seventh mounting step).
Thereby, the first LCD 41 (see FIG. 3) and the second LCD 42 can be electrically connected to the FPC board 6.
[0040]
(8) Next, as shown in FIG. 15, the camera unit 71 is mounted on the camera holder 72 (see FIG. 4) mounted on the unit substrate 5 in a state of being laminated on a part of the FPC substrate 6. (Eighth mounting step). That is, the camera unit 71 has two positioning holes 74 opened at the upper part in the same figure inserted into the pins 54 erected on the unit substrate 5 and is provided at the lower part in the lower part of FIG. The inner camera 7 </ b> A is fixed at three convenient positions by fitting the inner camera 7 </ b> A into the annular fitting portion 75 (see FIG. 14) of the camera holder 72.
(9) Then, in FIG. 16, the projecting portion 62A (see FIG. 15) projecting from the left side of the FPC board 6 is bent, and the connector 62 (see FIG. 15) provided on the projecting portion 62A is connected to the camera unit. The FPC board 6 is electrically connected to the inner camera 7A, the outer camera 7B, and the LED 7C side by being fitted with the camera connector 73 (see FIG. 15) provided on the 71 (ninth mounting step).
[0041]
(10) After that, in the unit section 10 completed as shown in FIG. 16, the part on the unit board 5 side (the upper half in FIG. 16) on which the mounting section 6A of the FPC board 6 is mounted and stacked is While being fixed to a predetermined position inside, the connection portion 6B (upper half in FIG. 16) of the FPC board 6 is inserted through the inside of the hinge portion 3 (not shown) and connected to the battery and the control portion provided in the lower housing 2. (Tenth mounting step).
Thereby, the electronic components including the first camera 41A and the second LCD 42, the inner camera 7A, the outer camera 7B, and the LED 7C can be electrically connected to the battery via the camera connector 73 and the connector 62.
[0042]
Therefore, as described above, according to the mounting method of mounting the flexible substrate 6 and various electronic components on the unit substrate 5 in the foldable mobile phone according to the present embodiment, The flexible board 6 is laminated, and various electronic components are locked or stacked. In other words, since the flexible substrate 6 and various electronic components are stacked on only one surface without inverting the unit substrate 5, wiring work of various electronic components can be easily performed, and as a result, assembly and Automation of the wiring work becomes possible by realization.
[0043]
In the present embodiment, the foldable mobile electronic device according to the present invention is applied to a foldable mobile phone. However, the present invention is not limited to this, and the foldable mobile electronic device may be used by being opened vertically or horizontally. Any foldable portable electronic device may be used. For example, the present invention can be applied to various types such as a foldable electronic organizer, a calculator, and a PDA.
[0044]
【The invention's effect】
As described above, according to the present invention, one housing containing various electronic components including a liquid crystal display, a battery for supplying power to various electronic components including a liquid crystal display, and various electronic components are controlled. A portable electronic device comprising: a housing housing a main board for mounting a control unit to be mounted; and a hinge unit rotatably connecting the housings. A unit board provided inside one housing for fixing and holding the liquid crystal display, and various electronic components inside the one housing are detachably attached to the mounting unit board via respective holders. A flexible board having a mounting portion to be held and a connection portion drawn out from the mounting portion and connected to a battery or a control portion inside the other housing via the inside of the hinge portion is provided.
[0045]
Therefore, according to the present invention, wiring and assembling work of various electronic components housed inside one housing are easy, and furthermore, repair and inspection of these various electronic components are easy, Further, a foldable portable electronic device suitable for thinning can be provided.
[Brief description of the drawings]
1A and 1B show the appearance of a foldable mobile phone according to the present invention, wherein FIG. 1A is a plan view showing a state where a housing is opened, and FIG. 1B is a plan view showing a state where the housing is opened. (C) is a side view of (A).
FIG. 2 is an exploded perspective view showing a flexible substrate and various electronic components on a unit substrate 5 mainly housed in an upper housing of the foldable mobile phone according to the present invention.
FIG. 3 is a schematic sectional view of an upper housing of the foldable mobile phone according to the present invention.
4A is a schematic perspective view showing a state in which a flexible substrate or the like is attached to a unit substrate of the foldable mobile phone according to the present invention, and FIG. It is a principal part expansion perspective view which shows a nail | claw part.
FIG. 5 is an enlarged sectional view of a main part showing a connection state between an LCD connector and a flexible board side of the foldable mobile phone according to the present invention.
FIG. 6 is an enlarged sectional view of a main part showing a connection state between a camera connector and a flexible board side of the foldable mobile phone according to the present invention.
FIG. 7A is an enlarged sectional view of a main part showing an installation state of an outer camera of the foldable mobile phone according to the present invention, and FIG. 7B is an installation state of an inner camera of the foldable mobile phone according to the present invention; It is a principal part expanded sectional view which shows.
FIG. 8 is a diagram illustrating a mounting method when a flexible substrate and various electronic components are mounted on a unit substrate in the foldable mobile phone according to the present invention, and is an explanatory view particularly illustrating a first mounting step.
FIG. 9 is also an explanatory view showing a second mounting step in the foldable mobile phone according to the present invention.
FIG. 10 is an explanatory view showing a third mounting step in the foldable mobile phone according to the present invention.
FIG. 11 is an explanatory view showing a fourth mounting step in the foldable mobile phone according to the present invention.
FIG. 12 is an explanatory view showing a fifth mounting step in the foldable mobile phone according to the present invention.
FIG. 13 is an explanatory view showing a sixth mounting step in the foldable mobile phone according to the present invention.
FIG. 14 is also an explanatory view showing a seventh mounting step in the foldable mobile phone according to the present invention.
FIG. 15 is an explanatory view showing an eighth mounting step in the foldable mobile phone according to the present invention.
FIG. 16 is also an explanatory view showing a ninth mounting step in the foldable mobile phone according to the present invention.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Upper case 1A Inner case 1B Outer case 10 Unit part 11 Imaging window 12 Imaging window 2 Lower housing 21 Battery 22 Operation key 23 Microphone 3 Hinge part 4 LCD (liquid crystal display) (electronic parts)
41 Large LCD (First LCD)
41A Liquid crystal holder 41B Light guide plate 41C Cover glass 41D LCD cover 41E Photographing window 42 Small LCD (second LCD)
42A Liquid crystal holder 42B Light guide plate 42C Cover glass 42D LCD cover 42E Photographing window 43 LCD connector 5 Unit board 5A Recess 5B Recess 52 Claw 54 Pin 6 Flexible board (FPC board)
6A Mounting part 6B Connection part 61 Connector 64 Positioning hole 7A Inner camera (electronic parts)
7B Outside camera (electronic parts)
7C LED (electronic component)
71 Camera unit 72 Camera holder 73 Camera connector 74 Positioning hole 75 Fitting part 8 Receiver (receiver) (electronic parts)
81 Holder 9 for receiver (for infrared communication) IrDA (electronic parts)

Claims (5)

A housing housing various electronic components including a liquid crystal display, a battery for supplying power to the various electronic components including the liquid crystal display, and a control unit for controlling the various electronic components. A foldable portable electronic device comprising: the other housing accommodating the main board; and a hinge portion rotatably connecting the respective housings,
A unit substrate provided inside the one housing to fix and hold the liquid crystal display via a liquid crystal holder,
A mounting unit for detachably attaching the various electronic components via the respective holders in the one housing and holding the electronic components in a stacked state on the unit substrate; and the various electronic components including the liquid crystal display and at least the battery or the The battery or the battery which is drawn out from the mounting portion inside the one housing and provided over the inside of the other housing via the inside of the hinge portion to electrically connect with the control portion. A foldable portable electronic device, comprising: a flexible substrate having a connection portion connected to the control portion. The foldable portable electronic device according to claim 1, wherein all of the electronic components are configured to be stopped from one surface side of the unit substrate via the respective holders. The foldable portable electronic device according to claim 1, wherein the flexible substrate includes a substantially square-shaped region surrounding the liquid crystal display and stacked on the unit substrate. The foldable portable electronic device according to any one of claims 1 to 3, wherein the liquid crystal holder is provided with a liquid crystal display facing each of both surfaces of the one housing. 5. The electronic component according to claim 1, wherein the electronic component includes at least a camera provided on both surfaces of the one housing and a receiver provided on one surface of the one housing. 6. Foldable portable electronic devices.

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