JP2013167657A - Portable terminal device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent a display panel from being damaged without adding a component, in a portable terminal device comprising the display panel.SOLUTION: A portable terminal device comprises a panel holder which accommodates a display panel therein, and a sheet metal component of which the end portion is fixed to a casing and in which the panel holder is accommodated, and the sheet metal component includes a supporting part which is formed integrally with the sheet metal component and elastically supports the panel holder.

Description

  The present invention relates to a mobile terminal device, and more particularly to a mobile terminal device such as a mobile phone provided with a display panel.

  2. Description of the Related Art In recent years, mobile terminal devices equipped with a display panel such as mobile phones such as smartphones and electronic book readers for browsing electronic books are rapidly spreading.

  9 to 11 show the display unit side unit 110 of the related-art portable terminal device. FIG. 9 is a plan view of the display unit side unit 110 (the screen 111 is not shown). FIG. 10 is a cross-sectional view of the display unit side unit 110 taken along the D-D ′ plane shown in FIG. 9. 9 and 10, the display unit side unit 110 includes a screen 111, a display panel (for example, a liquid crystal panel) 112, a panel holder (for example, a liquid crystal holder) 115, a sheet metal part 120, a substrate 140, and a display unit upper case 113. And a display unit lower casing 114. Here, the sheet metal part 120 has a bathtub-like shape, and one end is fixed to the display unit upper housing 113. By providing the sheet metal part 120, the strength (rigidity) of the thinned mobile terminal device is maintained.

  FIG. 11 shows an enlarged view of the fitting portion 130 of the panel holder 115 to the portable terminal device casing. Referring to FIG. 11, the panel holder 115 has a panel holder fitting portion 116. On the other hand, the display unit upper housing 113 has a display unit upper fitting unit 117.

  9 to 11, the panel holder 115 to which the display panel 112 is attached is provided with the panel holder fitting portion 116 provided in the panel holder 115 in the display unit upper housing 113. It is fixed by being fitted to the display unit upper side fitting part 117.

  Note that Patent Document 1 describes a portable device that prevents damage to the display device by providing an elastic body between the display device and the housing. Patent Document 2 describes a portable information processing apparatus that reduces the possibility of damage to a video display device by touching and supporting the video display device with an elastic structure fastened inside the casing. Yes.

International Publication No. 2005/069711 JP 2001-242793 A

  The following analysis was made by the present inventors. Below, a portable terminal device is not restricted to mobile phones, such as a smart phone, A game machine, a tablet-type PC, etc. may be sufficient. Further, the display panel is not limited to the liquid crystal method, and may be a display panel such as an electronic powder fluid method or an electrophoresis method.

  In the related art portable terminal device shown in FIGS. 9 to 11, the panel holder 115 to which the display panel 112 is attached has the panel holder fitting portion 116 provided on the panel holder 115 as the display unit upper housing 113. The display unit upper fitting part 117 provided is fixed by claw fitting. When an impact due to dropping or the like is applied to such a mobile terminal device, the impact or deformation from the casing is propagated to the panel holder 115 without being reduced. At this time, the impact on the display panel 112 cannot be reduced, causing the display panel 112 to bend and deform, possibly causing the display panel 112 to crack or break.

  According to the portable device described in Patent Document 1, it is necessary to add an elastic body between the display device and the housing in order to prevent damage to the display device. Further, according to the portable information processing apparatus described in Patent Document 2, an elastic structure (for example, a slide spring) is provided between the video display device and the housing in order to reduce the possibility of the video display device being damaged. And fastening members (for example, screws, rivets, etc.) need to be provided separately. Therefore, according to the techniques described in these patent documents, it is necessary to add a dedicated component in order to prevent the display panel from being damaged, resulting in an increase in the number of components.

  Therefore, in a mobile terminal device provided with a display panel, it becomes a problem to prevent damage to the display panel without adding components. The objective of this invention is providing the portable terminal device which solves this subject.

A mobile terminal device according to one aspect of the present invention is:
A panel holder for accommodating the display panel;
A sheet metal part having an end fixed to the housing and accommodating the panel holder;
The sheet metal part is formed integrally with the sheet metal part and has a support portion that elastically supports the panel holder.

  According to the present invention, in a mobile terminal device including a display panel, it is possible to prevent the display panel from being damaged without adding components.

It is a top view of the display part side unit of the portable terminal device of 1st Embodiment. It is A-A 'sectional drawing of FIG. It is an expanded sectional view of the fitting part of FIG. It is a top view of the display part side unit of the portable terminal device of 2nd Embodiment. FIG. 5 is a B-B ′ cross-sectional view of FIG. 4. It is a top view of the display part side unit of the portable terminal device of 3rd Embodiment. It is C-C 'sectional drawing of FIG. It is an expanded sectional view of the fitting part of FIG. It is a top view of the display part side unit of the portable terminal device of related technology. FIG. 10 is a cross-sectional view taken along the line D-D ′ of FIG. 9. It is an expanded sectional view of the fitting part of FIG.

  First, the outline of the present invention will be described. Note that the reference numerals of the drawings attached to this summary are merely examples for facilitating understanding, and are not intended to limit the present invention to the illustrated embodiment.

  2. Description of the Related Art In recent years, mobile devices have been made thinner, and in order to ensure strength (rigidity), a casing in which a bathtub-shaped sheet metal part and a resin part are integrated is increasingly used. The portable terminal device of the present invention is a portable terminal device having such a configuration, which can reduce external impact on the mounted display panel and prevent damage and the like.

  1-3 is a figure which shows the structure of the portable terminal device of this invention as an example. FIG. 1 is a plan view of the display unit (10) (the screen (11) is not shown). FIG. 2 is a cross-sectional view of the display unit (10) cut along the A-A ′ plane shown in FIG. 1. FIG. 3 shows an enlarged view of the fitting portion (30) of the panel holder (15) with respect to the casing of the mobile terminal device.

  The display panel (12) is attached to the panel holder (15). As shown in FIG. 2, the panel holder (15) is fixed to the display unit upper housing (13) via the support portion (21). As shown in FIG. 3, an impact absorbing portion (22) is formed on the support portion (21).

  When an impact due to dropping or the like is applied, the impact absorbing portion (22) bends to reduce the impact on the display panel (12), and also to reduce the propagation of deformation from the housing. ) Can be prevented.

  That is, in the mobile terminal device of the present invention, the support part (21) formed integrally with the sheet metal part (20) is provided for the sheet metal part (20) fixed to the housing (13, 14). The panel holder (15) for holding the display panel (12) is attached to the housing (13, 14) via the shock absorbing part (22) provided on the support part (21). Thereby, it is possible to reduce the external impact on the display panel (12) without adding new parts, and to prevent the display panel (12) from being damaged. Specifically, when an impact is applied to the housing (13, 14), the impact is absorbed by the support portion (21) provided on the sheet metal part (20) whose one end is fixed to the housing (13, 14). By bending the portion (22), the propagation of impact / deformation to the display panel (12) is reduced and the display panel (12) is prevented from being damaged.

  Next, a developed form of the present invention will be described with reference to the drawings.

  Referring to FIGS. 1 to 3, the portable terminal device of the present invention includes a panel holder (15) that accommodates a display panel (12), and ends fixed to a housing (13, 14). A sheet metal part (20) for housing the sheet metal part (20), and the sheet metal part (20) is formed integrally with the sheet metal part (20) and has a support part (21) for elastically supporting the panel holder (15). (Development form 1).

  In the mobile terminal device according to the present invention, the support portion (21) is formed integrally with a sheet metal part (20) provided in advance to maintain the strength of the mobile terminal device and accommodates the display panel (15). The panel holder (15) is elastically supported. According to such a portable terminal device, in the portable terminal device provided with the display panel (12), it is possible to prevent the display panel (12) from being damaged without newly adding parts.

  1 to 3, the sheet metal part (20) has a bathtub-shaped main body, and the support (21) protrudes from the inner wall of the main body toward the panel holder (15). It is also possible (deployment form 2).

  With reference to FIGS. 1 to 3, the sheet metal part (20) may include a plurality of support portions (21 a to 21 l) that elastically support the bottom surface and the side surface of the panel holder (15). 3).

  Referring to FIG. 1, the sheet metal part (20) is long when the panel holder (15) is viewed from the direction perpendicular to the panel surface of the display panel (12) among the side surfaces of the panel holder (15). A first support portion (21a, 21b) and a second support portion (21d, 21c) that elastically support the first side surface and the second side surface corresponding to the side, respectively, and the panel holder (15) Of the side surfaces, the third side surface and the fourth side surface corresponding to the short side when the panel holder (15) is viewed from the direction perpendicular to the panel surface of the display panel (12) are elastically supported. You may have a 3rd support part (21g, 21h) and a 4th support part (21e, 21f) (deployment form 4).

  Further, referring to FIG. 1, the sheet metal part (20) includes a plurality of first support portions (21a, 21b), a plurality of second support portions (21c, 21d), and a plurality of third support portions ( 21g, 21h) and a plurality of fourth support portions (21e, 21f) (deployment form 5).

  On the other hand, referring to FIG. 4, the sheet metal part (20) includes a plurality of first support portions (21a, 21b), a plurality of second support portions (21c, 21d), and a single third support portion ( 21g) and a single fourth support part (21e) (deployment form 6).

  At this time, the number of support portions can be reduced as compared with the developed form 5 (FIG. 1), and the processing of the sheet metal part (20) becomes easy.

  3 and 8, the panel holder (15) may have a fitting portion (16a) fitted to the support portion (21a) (deployment form 7).

  At this time, it can prevent that the position which a support part (21a) and a panel holder (15) contact | connect is shifted | deviated.

  Referring to FIGS. 3 and 8, the convex portion or the concave portion provided in the support portion (21a) and the concave portion or the convex portion provided in the fitting portion (16a) may be fitted to each other ( Deployment mode 8).

<Embodiment 1>
The portable terminal device according to the first embodiment will be described with reference to the drawings. 1-3 is a figure which shows the structure of the portable terminal device of this embodiment as an example. FIG. 1 is a plan view of the display unit 10 (the screen 11 is not shown). 2 is a cross-sectional view of the display unit side unit 10 taken along the plane AA ′ shown in FIG. FIG. 3 is an enlarged cross-sectional view of the fitting portion 30 of the panel holder 15 to the portable terminal device casing.

  1 to 3, the display panel 12 is attached to a resin panel holder 15. On the other hand, the panel holder 15 is provided with a plurality of panel holder fitting portions 16 (12 in this embodiment). The sheet metal part 20 having one end fixed to the display unit upper housing 13 includes a support unit 21 at a position facing the panel holder fitting unit 16. The support portion 21 has an impact absorbing portion 22 that can be freely bent. As shown in FIG. 2, the panel holder 15 is fixed to the display unit upper housing 13 via a support unit 21.

  In FIG. 1, as an example, the number of support portions 21 is twelve, but the number of support portions 21 is not limited thereto. Further, the shape of the shock absorbing portion 22 is not limited to that shown in FIG. 3 and may be any shape. However, since it becomes difficult to manufacture when the shape is complicated, it is preferable that the shape of the shock absorbing portion 22 be a simple shape. Moreover, in this embodiment, in the fitting part 30, the support part 21 is convex shape and the panel holder fitting part 16 is concave shape. However, these uneven shapes may be reversed. Moreover, the shape of the location which the support part 21a and the panel holder fitting part 16 fit is not limited to the shape shown in FIG.

  Next, the operation of the mobile terminal device of this embodiment will be described. When an impact due to dropping or the like is applied to the mobile terminal device, the impact or deformation from the casing propagates to the panel holder 15 through the fitting portion 30 with the casing. At this time, the impact absorbing portion 22 of the support portion 21 bends to reduce the impact on the display panel 12, reduce the propagation of deformation from the housing, and prevent the display panel 12 from being damaged. it can.

  As described above, the portable terminal device according to the present embodiment provides the following effects. According to the mobile terminal device of this embodiment, even if an impact due to dropping or the like is applied, the load on the display panel is reduced, so that damage or the like can be prevented. In addition, since it is not necessary to separately add parts such as shock absorption, the cost can be reduced by reducing the number of parts and the number of assembly steps. Furthermore, the mobile terminal device can be made thinner.

<Embodiment 2>
Next, a mobile terminal device according to a second embodiment will be described with reference to the drawings. FIG. 4 is a plan view (the screen 11 is not shown) of the display unit side unit 10 of the mobile terminal device of the present embodiment. FIG. 5 is a cross-sectional view of the display unit side unit 10 taken along the plane BB ′ shown in FIG.

  The portable terminal device of this embodiment is different from the portable terminal device according to the first embodiment in that the fitting portion 30 on the short side of the device is provided at one place on each side. That is, in the mobile terminal device of the present embodiment, the sheet metal part 20 includes support portions 21g and 21e, one for each side on the short side.

  According to the mobile terminal device of the present embodiment, the number of support portions 21 can be reduced as compared with the mobile terminal device (FIG. 1) of the first embodiment, and the processing of the sheet metal part 20 is facilitated.

<Embodiment 3>
Next, a mobile terminal device according to a third embodiment will be described with reference to the drawings. FIG. 6 is a plan view (the screen 11 is not shown) of the display unit side unit 10 of the mobile terminal device of the present embodiment. FIG. 7 is a cross-sectional view of the display unit side unit 10 taken along the line CC ′ shown in FIG. FIG. 8 is an enlarged cross-sectional view of the fitting portion 30 of the panel holder 15 to the portable terminal device casing.

  Referring to FIG. 8, the mobile terminal device of the present embodiment is different from the mobile terminal device (FIG. 3) according to the first embodiment in that the unevenness in the fitting portion 30 is reversed.

  It should be noted that the disclosures of prior art documents such as the above patent documents are incorporated herein by reference. Within the scope of the entire disclosure (including claims) of the present invention, the embodiment can be changed and adjusted based on the basic technical concept. Further, various combinations or selections of various disclosed elements (including each element of each claim, each element of each embodiment, each element of each drawing, etc.) are possible within the scope of the claims of the present invention. It is. That is, the present invention of course includes various variations and modifications that could be made by those skilled in the art according to the entire disclosure including the claims and the technical idea.

10, 110 Display unit 11, 111 Screen 12, 112 Display panel 13, 113 Display unit upper casing 14, 114 Display unit lower casing 15, 115 Panel holder 16, 116 Panel holder fitting unit 20, 120 Sheet metal part 21, 21a to 21l Support portion 22 Shock absorbing portion 30, 130 Fitting portion 40, 140 Substrate 117, 117a to 117d Display portion upper fitting portion

Claims (8)

A panel holder for accommodating the display panel;
A sheet metal part having an end fixed to the housing and accommodating the panel holder;
The sheet metal component is formed integrally with the sheet metal component, and has a support portion that elastically supports the panel holder. The sheet metal part has a bathtub-shaped main body,
The portable terminal device according to claim 1, wherein the support part protrudes from an inner wall of the main body part toward the panel holder.   The portable terminal device according to claim 1, wherein the sheet metal part includes a plurality of the support portions that elastically support a bottom surface and a side surface of the panel holder. The sheet metal part includes a first side surface and a second side surface corresponding to long sides when the panel holder is viewed from a direction perpendicular to the panel surface of the display panel, of the side surfaces of the panel holder, respectively. A first support portion and a second support portion that elastically support;
Of the side surfaces of the panel holder, the third side surface and the fourth side surface corresponding to the short side when the panel holder is viewed from the direction perpendicular to the panel surface of the display panel are elastically supported. The portable terminal device according to any one of claims 1 to 3, further comprising a third support portion and a fourth support portion. The sheet metal part includes a plurality of the first support portions and a plurality of the second support portions,
The mobile terminal device according to claim 4, comprising a plurality of the third support portions and a plurality of the fourth support portions. The sheet metal part includes a plurality of the first support portions and a plurality of the second support portions,
The mobile terminal device according to claim 4, comprising a single third support part and a single fourth support part.   The portable terminal device according to any one of claims 1 to 6, wherein the panel holder has a fitting portion fitted into the support portion.   The portable terminal device according to claim 7, wherein a convex portion or a concave portion provided in the support portion and a concave portion or a convex portion provided in the fitting portion are fitted to each other.

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