JP2009265228A - Mobile terminal device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a mobile terminal device can sufficiently keep its screen section for a long period of time and be superior in its appearance. <P>SOLUTION: The mobile terminal device is so constituted that: while a first casing and a second casing being closed, a recessed part denting in the thickness direction of the first casing is formed on a superposed surface of the first casing; the first casing includes a display section arranged in the recessed part, a screen section arranged within the frame of the recessed part so as to cover the display section, and a protection member provided, on the superposed surface, closer to the end side than the screen section and protruding farther than the screen section in the thickness direction; the protection member has a flange section inwardly offset in the thickness direction and extending toward the base end side; a projecting part abutted on the frame on the base end side of the recessed part is provided at the end of the base end side of the screen section; the screen section is supported in cantilever on the base end part side; and the top end part of the screen section extends beyond the end part on the base end part side of the flange section toward the top end side. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to an openable portable terminal device.

Conventionally, a mobile terminal device in which a first housing and a second housing are connected so as to be openable and closable has been used (see, for example, Patent Document 1). As these portable terminal devices, as shown in FIGS. 6 and 7, a display unit 101 made of liquid crystal or the like is provided on the overlapping surface of the first housing 100 and a screen unit 102 covering the display unit 101 is provided. In addition, an operation unit including a keyboard or the like is provided on the overlapping surface of the second casing. The screen portion 102 is attached to the first housing 100 via a double-sided tape 104 provided over the entire length of the outer edge portion. Further, a silicon rubber pad 103 is provided on the front side of the screen portion 102 in the overlapping surface of the first housing 100. When the first casing 100 and the second casing are closed to each other, the overlapping surfaces of the first casing 100 and the second casing are not in contact with each other. It functions as a spacer for doing so.
Here, in recent years, as the display unit 101 is made thinner and larger, the screen unit 102 is also made thinner and larger.
JP 2003-241170 A

However, in the mobile terminal device as described above, since the screen portion 102 is thin and large, the deformation amount of the screen portion 102 due to environmental changes such as temperature becomes larger than the deformation amount of the housing. There is a problem that the screen unit 102 is deformed with respect to the housing. In particular, in order to escape the deformation amount in the screen portion 102, the screen portion 102 itself is curved outward in the thickness direction.
Further, if only the screen unit 102 is made small while keeping the display unit 101 large, it is possible to make the screen unit 102 difficult to deform while keeping the size of the display unit 101, but if the screen unit 102 is made small, There is a problem that a clearance C is formed between the silicon rubber pad 103 and the screen portion 102. That is, since various parts such as screws and electronic parts are installed at the distal end portion of the first housing 100, when the clearance C increases, the various parts are exposed to the outside and the appearance is impaired. End up.

  This invention is made | formed in view of such a situation, Comprising: It aims at providing the portable terminal device which can maintain a screen part favorably over a long period of time, and was excellent also in the external appearance.

In order to solve the above problems, the present invention provides the following means.
The portable terminal device according to the present invention is a portable terminal device in which the base ends of the first casing and the second casing are connected to each other through a connecting portion so as to be opened and closed. A concave portion that is recessed in the thickness direction of the first casing is formed on the overlapping surface of the first casing when the casing and the second casing are closed. A display unit disposed in the recess, a screen unit disposed in the frame of the recess so as to cover the display unit on the outer side of the display unit, and the overlapping A protective member that is provided on the front end side of the screen portion and protrudes in the thickness direction from the screen portion, and is offset inward in the thickness direction to the protective member, and A flange portion extending toward the base end portion side is provided, and an end portion of the screen portion on the base end portion side , A protrusion that is in contact with the base end side frame of the recess is provided, the screen portion is cantilevered on the base end side, and the tip of the screen portion is It extends to the tip end side beyond the end of the flange portion on the base end side.

According to the present invention, since the projection of the screen portion contacts the frame of the concave portion, the clearance is provided between the end portion on the base end side of the screen portion and the frame of the concave portion. Even if the end portion expands, the expansion is allowed by the clearance.
Further, since the screen portion is cantilevered, even if the tip portion of the screen portion is about to expand, the expansion is allowed.
Further, since the screen portion is cantilevered on the base end side, and the tip end portion of the screen portion extends beyond the end portion on the base end portion side of the flange portion to the tip end side, the concave portion Since the various inner parts are covered, the various parts are not exposed to the outside.
From the above, it is possible to maintain the screen part well over a long period of time, and to further improve the appearance.

  Moreover, the portable terminal device according to the present invention is characterized in that a notch that sunk to the proximal end side is formed at a distal end of the screen portion, and the protective member is arranged in the notch.

  According to the present invention, with a simple configuration, it is possible to allow the silicon rubber pad to function as a stopper between the first casing and the second casing, and to allow deformation of the screen portion.

  In the mobile terminal device according to the present invention, both ends in a direction where the protrusion intersects a direction extending from the base end of the first housing to the tip of the base end of the screen. It is provided in.

  According to this invention, even when the screen portion is deformed, it is possible to balance in the intersecting direction and to maintain a stable state.

  According to the present invention, the screen portion can be maintained well over a long period of time, and the appearance can be further improved.

(Embodiment 1)
Hereinafter, the portable terminal device in the 1st Embodiment of this invention is demonstrated with reference to drawings.
FIG. 1 shows an example in which a mobile terminal device according to the present invention is applied to a mobile phone.
FIG. 2 is an enlarged plan view showing the first housing 10.
As shown in FIGS. 1 and 2, the mobile phone 1 includes a first housing 10 having a rectangular parallelepiped shape and a second housing 20 having the same shape. And these 1st housing | casing 10 and 2nd housing | casing 20 are connected via the hinge part (connection part) 30 so that opening and closing is possible. That is, the first casing 10 and the second casing 20 are rotated by the hinge portion 30 about the axis A extending in the short direction S of the first casing 10 and the second casing 20 as the rotation center. Supported as possible.

In addition, when the 1st housing | casing 10 and the 2nd housing | casing 20 are closed, the surface which mutually overlaps becomes overlapping surface (inner surface) 10A, 20A.
The hinge portion 30 is provided at the base end portions 10b and 20b in the longitudinal directions L1 and L2 of the first housing 10 and the second housing 20.

On the overlapping surface 20 </ b> A of the second housing 20, an operation unit 7 that receives various operations of the mobile phone 1 from the user such as e-mails and calls is provided.
On the other hand, the overlapping surface 10A of the first casing 10 is formed with a rectangular recess 5 that sunk in the thickness direction. The recess 5 extends from the base end portion 10b of the first housing 10 to the tip end portion 10a. In the center of the recess 5 in the longitudinal direction, a display unit 6 made of liquid crystal is installed. Various parts such as a fixing screw 11 (shown in FIG. 5) and electronic parts are provided at the distal end portion 10a of the first housing 10.

Furthermore, as shown in FIGS. 2 and 3, a screen portion 2 extending over the entire area of the frame is provided in the frame of the recess 5. That is, the screen unit 2 is fixed in the frame of the recess 5 so as to cover the display unit 6 on the outer side of the display unit 6. The screen portion 2 is made of, for example, a transparent acrylic plate and is formed in a rectangular plate shape. Further, a notch 2b cut into the base end side is formed at both ends in the lateral direction S of the front end side 2a of the screen portion 2. These notches 2b are chamfered and curved in an R shape. Further, projections 9 that protrude in the longitudinal direction L <b> 1 from the base end side 2 c are provided at both ends in the lateral direction S of the base end side 2 c of the screen portion 2. The protruding portion 9 is formed to be gently curved in a dome shape. These protrusions 9 are in contact with the edge on the base end portion 10 b side in the frame of the recess 5. Therefore, a clearance is provided between the base end side 2c of the screen part 2 and the edge on the base end part 10b side.
In addition, since the attachment part (not shown) is extended toward the front end side beyond the base end side 2c of the screen part 2 in the edge by the side of the base end part 10b, various electrical components are exposed from clearance. There is nothing.

  Moreover, as shown in FIG. 4, the double-sided tape 8 extended over the perimeter of the outer edge part is provided in the back surface of the screen part 2. As shown in FIG. And the screen part 2 is being fixed in the recessed part 5 with the double-sided tape 8 provided in the base end part side. That is, as shown in FIG. 5, the double-sided tape 8 provided at the distal end portion of the screen portion 2 is not in contact with the first housing 10 or the components in the recess 5 and is provided on the proximal end side. Only the double-sided tape 8 is in contact with the first housing 10. That is, the screen unit 2 is cantilevered on the base end side by the double-sided tape 8 provided on the base end side.

In addition, a pair of silicon rubber pads (protective members) 4 made of resin are provided at both ends in the lateral direction S in the recess 5. The silicon rubber pad 4 includes a main body 4a that protrudes from the surface of the screen portion 2 in the thickness direction, and a flange 4b that extends from the base end of the main body 4a toward the base end 10b of the first housing 10. It has.
The main body portion 4 a is disposed in the notch 2 b of the screen portion 2. That is, the main body 4a is provided on the tip side with respect to the notch 2b. Further, the main body 4 a abuts against the overlapping surface 20 </ b> A of the second housing 20 when the first housing 10 and the second housing 20 are closed. That is, the main body 4a functions as a spacer so that the overlapping surfaces 10A and 20A do not come into contact with each other when the housings 10 and 20 are closed.

The flange portion 4 b is provided offset from the screen portion 2 inward of the recess 5. The flange portion 4b extends from the main body portion 4a beyond the notch 2b to the base end portion 10b side of the first housing 10. That is, the screen part 2 is arranged so as to overlap the flange part 4b.
As described above, since the screen portion 2 is cantilevered, the tip portion of the screen portion 2 and the flange portion 4b are not in contact with each other, and the tip portion of the screen portion 2 and the flange portion 4b are not in contact with each other. A clearance C1 is provided between the two. Moreover, the longitudinal dimension of the screen part 2 is smaller than the longitudinal dimension of the recessed part 5, and the clearance C2 is provided between the notch 2b of the screen part 2, and the main-body part 4a. Further, a clearance is also provided between the tip side 2 a of the screen portion 2 and the edge on the tip side of the recess 5.

Next, the operation of the cellular phone 1 in the present embodiment configured as described above will be described.
The user carries the mobile phone 1 with the first housing 10 and the second housing 20 closed. On the other hand, when using a function such as a call or e-mail, the user can display characters and the like displayed on the display unit 6 with the first casing 10 and the second casing 20 opened to each other. The operation unit 7 is operated while confirming the above. Thereby, transmission / reception of a mail, a telephone call, etc. are performed.

Here, conventionally, the deformation amount of the screen unit 2 is larger than the deformation amount of the first casing 10, and the screen unit 2 may be deformed with respect to the first casing 10. It was.
In the present embodiment, since the projection 9 of the screen 2 abuts against the frame of the recess 5 and a clearance is provided between the base end 2c and the frame, the base end of the screen 2 is long. Even if it expands in the direction L1, the expansion is allowed by the clearance. At this time, since the projections 9 are provided at both ends in the short direction S of the base end side 2c, the screen 2 is balanced in the short direction S and the stable state is maintained. It is.

Further, since the screen portion 2 is supported in a cantilevered manner, even if the tip portion of the screen portion 2 tries to expand in the longitudinal direction L1, the expansion is allowed, and the tip side 2a temporarily hits the frame of the recess 5. Even if they come into contact with each other, the force to spread in the longitudinal direction L1 is dispersed in the short direction S or the like. Therefore, even if the screen part 2 tries to deform in the longitudinal direction L1, the screen part 2 is prevented from being curved outward in the thickness direction with respect to the first housing 10.
Further, since the clearance C2 is provided between the front end side 2a of the screen portion 2 and the main body portion 4a of the silicon rubber pad 4 and the frame of the recess 5, the deformation in the longitudinal direction L1 of the screen portion 2 is easily allowed. .

  Further, since the flange portion 4b of the silicon rubber pad 4 extends beyond the distal end side 2a to the base end portion 10b side, various parts such as the fixing screw 11 inside the recess 5 are covered. The part is not exposed to the outside through the clearance C2.

As described above, according to the mobile phone 1 of the present embodiment, the deformation in the longitudinal direction L1 on the base end side and the tip end side of the screen portion 2 can be allowed, and the screen portion 2 is moved outward in the thickness direction. Curvature can be prevented.
Therefore, the screen part 2 can be favorably maintained over a long period.
Further, since various parts such as the fixing screw 11 inside the recess 5 are covered with the flange portion 4b, the various parts can be prevented from being exposed to the outside via the clearance C2, and the appearance can be improved. There is no loss.

Further, since the projections 9 are provided at both ends in the short direction S of the base end 2c, the screen 2 is balanced in the short direction S even when the screen 2 is deformed. However, a stable state can be maintained.
Further, since the notches 2b are formed in the screen portion 2 and the main body portion 4a is disposed in the notches 2b, the main body portion 4a is connected to the first housing 10 and the second housing with a simple configuration. It is possible to function as a stopper between 20 and 20 and allow deformation of the screen portion 2 in the longitudinal direction L1.
Further, since the silicon rubber pads 4 are provided at both ends in the short direction S, the contact between the overlapping surfaces 10A and 10B can be surely prevented, and the durability can be improved.
Moreover, since the flange part 4b of the silicon rubber pad 4 is extended to the base end part 10b side beyond the front end side 2a, it can prevent that various components are exposed outside. Therefore, the beauty of the mobile phone 1 can be maintained.

The technical scope of the present invention is not limited to the above embodiment, and various modifications can be made without departing from the spirit of the present invention.
For example, although the projections 9 are provided at both ends in the short direction S, the present invention is not limited to this, and the number of installations and installation locations can be changed as appropriate.
Further, although the notches 2b are provided at both ends in the short direction S, the present invention is not limited to this, and the number of installations and installation locations can be changed as appropriate.
Moreover, although the double-sided tape 8 is provided on the entire circumference of the screen portion 2, the present invention is not limited to this, and the double-sided tape 8 may be provided only on the attachment portion on the base end side.
Moreover, in this embodiment, although the example applied to the mobile telephone 1 was shown as a portable terminal device which concerns on this invention, it is not restricted to this, For example, other portable terminal devices, such as PDA (Personal Digital Assistants) Needless to say, this can also be applied.

1 is an overall configuration diagram showing a first embodiment of a mobile terminal device according to the present invention. It is a front view which expands and shows the 1st housing | casing of FIG. It is explanatory drawing which shows the screen part of FIG. It is a front view which shows the back surface side of the screen part of FIG. FIG. 3 is a cross-sectional view taken along line AA in FIG. 2. It is a front view which shows the 1st housing | casing of the conventional mobile telephone. FIG. 7 is a cross-sectional view taken along line B-B in FIG. 6.

Explanation of symbols

1 Mobile phone (mobile terminal device)
2 Screen part 2b Notch 2c Base end 4 Silicon rubber pad (protective member)
4b Flange 5 Recess 6 Display 9 Projection 10 First Housing 10A Overlapping Surface 10b Base End 20 Second Housing 30 Connection (Hinge)

Claims (3)

A mobile terminal device in which the base ends of the first housing and the second housing are connected to each other via a connecting portion so as to be opened and closed,
A concave portion that is recessed in the thickness direction of the first casing is formed on the overlapping surface of the first casing when the first casing and the second casing are closed. And
The first housing is
A display unit disposed in the recess;
A screen unit disposed in a frame of the recess so as to cover the display unit on the outer side of the display unit;
A protective member provided on the tip side of the screen portion than the screen portion and protruding in the thickness direction from the screen portion;
The protective member is provided with a flange portion that is offset inward in the thickness direction and that extends to the base end side,
At the end portion on the base end portion side of the screen portion, a protrusion that is in contact with the frame on the base end portion side of the recess is provided,
The screen portion is cantilevered on the base end portion side, and the front end portion of the screen portion extends to the front end portion side beyond the end portion on the base end portion side of the flange portion. The portable terminal device characterized by the above-mentioned. A notch is formed at the distal end of the screen portion so as to sink to the proximal end side,
The portable terminal device according to claim 1, wherein the protective member is disposed in the notch.   The protrusion is provided at both ends in a direction intersecting with a direction extending from a base end portion of the first casing to a tip end portion of the base end side of the screen portion. The portable terminal device according to claim 1 or 2.

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