JP2014017718A - Portable terminal - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a portable terminal which ensures a clearance in consideration of the expansion of a battery and buffers the impact to a display panel.SOLUTION: A portable telephone 1 comprises: a metal plate 13 integrally formed with a front face side cabinet 4 and having a battery housing part 10 arranged at a rear side of the recess 3 for displaying; a display panel 2 fitted into the recess 3 for displaying; a touch panel 8 attached to the display panel 2 so as to cover the display panel 2; a battery 20 housed in the battery housing part 10 and arranged between the display panel 2 and the metal plate 13; and a cushion member 15 arranged between the display panel 2 and the battery 20 and having an opening 17 formed so as to overlap with the battery 20 in a planar view.

Description

  The present invention relates to a mobile terminal having a display panel, and more particularly to a technique for protecting the display panel.

  Conventionally, in a portable terminal having a display panel typified by a mobile phone, it has been proposed to provide a cushion member for buffering an impact on the display panel caused by dropping or the like to prevent damage to the display panel. Has been.

  More specifically, for example, a mobile terminal is disclosed that includes a cushion member that is disposed on the back side of the display panel (that is, the side opposite to the display side of the mobile phone) and holds the display panel from the back side of the display panel. . The cushion member is disposed so as to support the entire back side of the display panel, and is accommodated in the cabinet (see, for example, Patent Document 1).

JP 2011-205539 A

  Here, in general, in a mobile terminal, a battery is mounted, but when the battery is disposed on the back side of the display panel via the cushion member, when the battery expands due to repeated charge and discharge, The display panel is pushed up by the expanded battery through the cushion member, and there is a problem that a bleeding pattern is generated on the display panel or the mobile phone is deformed.

  In order to prevent the occurrence of bleeding patterns and deformation due to the expansion of the battery, it is conceivable to increase the clearance between the display panel and the cushion member. However, the clearance between the display panel and the cushion member is increased. Then, it becomes difficult to support the display panel with the cushion member. As a result, for example, when a strong force acts on the surface of the display panel, the display panel and the cover glass attached to the display panel are peeled off so as to cover the display panel from the front side (that is, the display side of the mobile phone). There was a problem of doing.

  Therefore, the present invention has been made in view of the above-described problems, and an object of the present invention is to provide a portable terminal that can secure a clearance in consideration of battery expansion and can buffer an impact on a display panel. .

  In order to achieve the above object, a first portable terminal of the present invention includes a cabinet having a display recess on the front side, and a battery housing portion that is formed integrally with the cabinet and disposed on the back side of the display recess. A metal plate, a display panel fitted in the display recess, a protective panel attached to the display panel so as to cover the display panel, and a battery housing portion, which is disposed between the display panel and the metal plate And a cushion member provided between the display panel and the battery and having an opening formed so as to overlap with the battery in a plan view.

  According to this configuration, since the clearance between the display panel and the battery can be ensured at the opening of the cushion member, the battery is disposed on the back side of the display panel via the cushion member, resulting from charging and discharging. Even when the battery is expanded, it is possible to prevent a problem that the display panel is pushed up by the expanded battery through the cushion member. Accordingly, it is possible to prevent the occurrence of a bleeding pattern in the display panel and the deformation of the mobile terminal due to the expansion of the battery.

  Further, in the portion other than the opening portion of the cushion member, the display panel can be held from the back side of the display panel and the impact on the display panel can be buffered. For example, a strong force acts on the surface of the display panel. Even in this case, it is possible to prevent the display panel and the protective panel from being separated.

  In the first portable terminal of the present invention, the opening may be formed so that the central portion of the surface of the battery on the display panel side is exposed.

  According to this configuration, the opening can expose the portion where the battery expands most due to charging / discharging, thereby further preventing the inconvenience of the display panel being pushed up by the expanded battery. it can.

  In the first portable terminal of the present invention, the cushion member may be formed in a rectangular frame shape.

  The second portable terminal of the present invention includes a cabinet having a display recess on the front side, a metal plate integrally formed with the cabinet and having a battery recess disposed on the back side of the display recess, and a display recess. The display panel fitted, the protective panel attached to the display panel so as to cover the display panel, the battery fitted in the battery recess and disposed between the display panel and the metal plate, the display panel and the battery And a cushion member having an opening formed so as to overlap with the battery in a plan view.

  According to this configuration, since the clearance between the display panel and the battery can be ensured at the opening of the cushion member, the battery is disposed on the back side of the display panel via the cushion member, resulting from charging and discharging. Even when the battery is expanded, it is possible to prevent a problem that the display panel is pushed up by the expanded battery through the cushion member. Accordingly, it is possible to prevent the occurrence of a bleeding pattern in the display panel and the deformation of the mobile terminal due to the expansion of the battery.

  Further, in the portion other than the opening portion of the cushion member, the display panel can be held from the back side of the display panel and the impact on the display panel can be buffered. For example, a strong force acts on the surface of the display panel. Even in this case, it is possible to prevent the display panel and the protective panel from being separated.

  In the second portable terminal of the present invention, the opening may be formed so that the central portion of the surface of the battery on the display panel side is exposed.

  According to this configuration, the opening can expose the portion where the battery expands most due to charging / discharging, thereby further preventing the inconvenience of the display panel being pushed up by the expanded battery. it can.

  In the second portable terminal of the present invention, the cushion member may be formed in a rectangular frame shape.

  In addition, the portable terminal of the present invention has an excellent characteristic that it can prevent the occurrence of inconvenience such as deformation of the portable terminal due to the expansion of the battery and can prevent the display panel and the protective panel from peeling off. ing. Therefore, the present invention can be suitably used for a portable terminal whose display panel is a liquid crystal display panel or an organic EL display panel, and a portable terminal whose protective panel is a touch panel.

  ADVANTAGE OF THE INVENTION According to this invention, the portable terminal which can prevent generation | occurrence | production of inconvenience, such as a deformation | transformation of the portable terminal resulting from expansion | swelling of a battery, and can prevent peeling with a display panel and a protection panel can be provided.

1 is a plan view of a mobile phone according to a first embodiment of the present invention. It is AA sectional drawing of FIG. It is a disassembled perspective view for demonstrating arrangement | positioning of the battery and cushion member in the mobile telephone which concerns on the 1st Embodiment of this invention. It is sectional drawing for demonstrating the display panel used in the mobile telephone which concerns on the 1st Embodiment of this invention. It is a top view for demonstrating the positional relationship of the cushion member and battery in the mobile telephone which concerns on the 1st Embodiment of this invention. It is a top view of the mobile telephone which concerns on the 2nd Embodiment of this invention. It is BB sectional drawing of FIG. It is a disassembled perspective view for demonstrating arrangement | positioning of the battery and cushion member in the mobile telephone which concerns on the 2nd Embodiment of this invention. It is sectional drawing of the mobile telephone which concerns on the modification of this invention.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. The present invention is not limited to the following embodiment.

(First embodiment)
FIG. 1 is a plan view of the mobile phone according to the first embodiment of the present invention, and FIG. 2 is a cross-sectional view taken along line AA of FIG. FIG. 3 is an exploded perspective view for explaining the arrangement of the battery and the cushion member in the mobile phone according to the first embodiment of the present invention, and FIG. 4 is according to the first embodiment of the present invention. It is sectional drawing for demonstrating the display panel used in a mobile telephone. FIG. 5 is a plan view for explaining the positional relationship between the cushion member and the battery in the mobile phone according to the first embodiment of the present invention.

  A mobile phone 1 according to this embodiment is a mobile terminal with a touch panel. As shown in FIGS. 1 and 2, the display panel 2 and the front side of the display panel 2 (on the arrow X side shown in FIG. 1), a front cabinet 4 having a display recess 3 for accommodating the display panel 2, a rectangular plate-shaped battery 20, a rectangular plate-shaped circuit board 5, and the circuit board 5 are accommodated. A rectangular dish-like back cabinet 6 is provided.

  As shown in FIGS. 1 and 2, the mobile phone 1 includes a display area D composed of, for example, a plurality of pixels and a frame area F provided around the display area D.

  In addition, a touch panel recess 7 is formed in a rectangular frame shape on the periphery of the display recess 3 in the front cabinet 4. The touch panel recess 7 is provided with a rectangular touch panel 8 that covers the display panel 2 from the front side, and the touch panel 8 is provided in the frame area F as shown in FIG. The double-sided tape 9 is attached to the front cabinet 4.

  Moreover, in this embodiment, as shown in FIG. 2, the front side cabinet 4 and the back side cabinet 6 are formed with irregularities so as to be fitted to each other in the frame region F. The back side cabinet 6 is configured to be attached to the front side cabinet 4 by fastening using screws or the like in a state where the two are fitted.

  Moreover, in this embodiment, as shown in FIG. 2, the cover 21 which covers the back side cabinet 6 which accommodates the circuit board 5 is provided.

  The front cabinet 4, the back cabinet 6, and the cover 21 are made of, for example, a resin such as polycarbonate resin, ABS resin, polyamide resin, or a mixture of these resins and glass fillers.

  The front cabinet 4 includes a metal plate 13 that is formed integrally with the resin that forms the front cabinet 4. The metal plate 13 is for improving the rigidity of the mobile phone 1.

  The metal plate 13 is formed of a metal such as stainless steel (for example, SUS304), aluminum, and magnesium from the viewpoint of improving the rigidity of the mobile phone 1 with an inexpensive and versatile material. Of these metals, it is preferable to use stainless steel having high durability and strength.

  In the present embodiment, as shown in FIG. 2, the circuit board 5 is arranged on the back side of the metal plate 13 (the arrow Y side shown in FIG. 2, opposite to the display side of the mobile phone 1). ing.

  As shown in FIG. 3, the circuit board 5 includes a board 5a and a plurality of circuit components 5b attached to the board 5a.

  Moreover, as the display panel 2 in this embodiment, a liquid crystal display panel, an organic EL display panel, etc. can be used, for example.

  When a liquid crystal display panel is used as the display panel 2, for example, as shown in FIG. 4, the TFT substrate 22, the CF substrate 23 arranged to face the TFT substrate 22, the TFT substrate 22 and the CF substrate 23. Is sandwiched between the TFT substrate 22 and the CF substrate 23, and the TFT substrate 22 and the CF substrate 23 are bonded to each other and the liquid crystal layer 24 is What was provided with the sealing material 25 provided in frame shape in order to enclose can be used.

  The sealing material 25 is formed so as to go around the liquid crystal layer 24, and the TFT substrate 22 and the CF substrate 23 are bonded to each other via the sealing material 25.

  As shown in FIG. 2, the display panel 2 is attached to the touch panel 8 with a double-sided tape 18 provided on the back surface 8 a of the touch panel 8.

  In the present embodiment, as shown in FIGS. 2 and 3, the metal plate 13 has the battery housing portion 10 disposed on the back side of the display recess 3, and the battery 20 is housed in the battery housing portion 10. The battery 20 is disposed between the display panel 2 and the metal plate 13.

  Accordingly, since the battery 20 is disposed in a space (that is, the battery accommodating portion 10) that is disposed on the back side of the metal plate 13 and different from the circuit substrate 5 accommodated in the back side cabinet 6, the battery is caused by the circuit substrate 5. The size of the battery 20 is not restricted, and the large battery 20 can be accommodated. As a result, it becomes possible to provide the mobile phone 1 that can cope with high-speed processing.

  Note that a double-sided tape 30 that is an adhesive layer is provided on the front surface of the battery housing portion 10 (that is, the surface on the arrow X side shown in FIG. 2 and the display-side surface of the mobile phone 1) 10a. The battery 20 is attached to the metal plate 13 with the double-sided tape 30.

  Here, the present embodiment is characterized in that, as shown in FIGS. 2 and 3, the display recess 3 is provided with a cushion member 15 in which an opening 17 is formed.

  More specifically, the cushion member 15 is provided between the display panel 2 and the battery 20 as shown in FIGS. 2 and 3, and overlaps the battery 20 in a plan view as shown in FIG. It has the opening part 17 formed in this way.

  With such a configuration, the clearance between the display panel 2 and the battery 20 can be ensured in the opening 17 of the cushion member 15, so the battery 20 is disposed on the back side of the display panel 2 via the cushion member 15. Even when the battery 20 expands due to charging / discharging, the inconvenience that the display panel 2 is pushed up by the expanded battery 20 via the cushion member 15 can be prevented. Therefore, it is possible to prevent the occurrence of a bleeding pattern in the display panel 2 and the deformation of the mobile phone 1 due to the expansion of the battery 20.

  Further, in the portion other than the opening 17 of the cushion member 15, the display panel 2 can be held from the back side of the display panel 2 and the impact on the display panel 2 can be buffered. Even when a strong force is applied to the display panel 2, it is possible to prevent the display panel 2 and the touch panel 8 attached to each other by the double-sided tape 18 from peeling off.

  That is, in the present embodiment, by providing the cushion member 15 in which the opening 17 is formed, a clearance considering expansion of the battery 20 can be secured, and an impact on the display panel 2 can be buffered. .

  In the present embodiment, as shown in FIG. 5, the cushion member 15 is formed in a rectangular frame shape, and as shown in FIGS. 2 and 5, the display side surface of the battery 20 (that is, the display panel 2). The opening 17 is formed so that the central portion 20a of the side surface is exposed.

  Generally, when the battery 20 expands due to charging / discharging, the central portion of the battery 20 expands most. Therefore, as described above, the central portion 20a of the surface of the battery 20 on the display panel 2 side is formed by the opening 17 as described above. By exposing, even when the battery 20 expands due to charging / discharging, the inconvenience that the display panel 2 is pushed up by the expanded battery 20 via the cushion member 15 can be further prevented. .

  That is, since the opening 17 can expose the portion where the battery 20 expands most due to charging / discharging, the inconvenience that the display panel 2 is pushed up by the expanded battery 20 can be further prevented.

The area of the opening 17 (that is, the area of the opening 17 that overlaps the battery 20 in plan view) can be changed according to the cellular phone 1 or the battery 20 to be used. When the area of the display side surface is S ₁ and the area of the opening 17 is S ₂ , it can be set to 0.1S ₁ ≦ S ₂ ≦ 0.8S ₁ .

  The cushion member 15 is formed of a material such as a polyolefin-based foam or a polyurethane-based foam, and has a thickness of about 0.1 mm. In addition, as shown in FIG. 5, the cushion member 15 has substantially the same outer shape as that of the battery 20 in plan view.

  Next, an example of an assembly procedure of the mobile phone 1 will be briefly described.

  First, a double-sided tape 30 is provided on the front surface 10 a of the battery housing part 10 of the metal plate 13, and the battery 20 is attached to the metal plate 13 via the double-sided tape 30 to house the battery 20 in the battery housing part 10. To do.

  Next, the cushion member 15 in which the opening 17 is formed is placed on the display side surface of the battery 20. At this time, the opening 17 is arranged so that the above-described central portion 20a of the display side surface of the battery 20 is exposed.

  Next, the display panel 2 is fitted into the display recess 3 of the front cabinet 4 so as to cover the cushion member 15 and the battery 20 from the front side, and the cushion member 15 is disposed between the display panel 2 and the battery 20. At this time, the battery 20 is disposed between the display panel 2 and the metal plate 13.

  Next, the double-sided tape 9 is provided in the concave portion 7 for the touch panel formed in the front side cabinet 4, and the touch panel 8 is attached to the front side cabinet 4 through the double-sided tape 9, and the display panel 2 is attached to the concave portion 7 for the touch panel. A touch panel 8 is provided so as to cover from the front side. At this time, the touch panel 8 is attached to the display panel 2 via the double-sided tape 18.

  Next, the front-side cabinet 4 and the back-side cabinet 6 are fitted with the above-described unevenness, and the front-side cabinet 4 is fastened to the front-side cabinet 4 by fastening with screws or the like in a state where the front-side cabinet 4 and the back-side cabinet 6 are fitted. Install the back cabinet 6. At this time, the circuit board 5 accommodated in the back cabinet 6 is disposed on the back side of the metal plate 13.

  Then, the mobile phone 1 shown in FIG. 2 is manufactured by attaching a cover 21 covering the back side cabinet 6 that houses the circuit board 5 to the back side cabinet 6.

(Second Embodiment)
Next, a second embodiment of the present invention will be described. FIG. 6 is a plan view of a mobile phone according to the second embodiment of the present invention, and FIG. 7 is a cross-sectional view taken along the line BB of FIG. FIG. 8 is an exploded perspective view for explaining the arrangement of the battery and the cushion member in the mobile phone according to the second embodiment of the present invention.

  In the present embodiment, the same components as those in the first embodiment are denoted by the same reference numerals and description thereof is omitted. Further, since the positional relationship between the cushion member and the battery is the same as that in the first embodiment, detailed description thereof is omitted here.

  In the mobile phone 35 of the present embodiment, a battery recess 33 is formed in the metal plate 13 in place of the battery accommodating portion 10 described above, and the battery 20 is fitted in the battery recess 33, and the display panel 2. The battery 20 is arranged between the metal plate 13 and the metal plate 13.

  With such a configuration, in addition to the effects described in the first embodiment, the following effects can be obtained.

  That is, since the periphery of the battery 20 fitted in the battery recess 33 can be surrounded by the metal plate 13, it is possible to suppress the external impact on the battery 20 and suppress the deformation of the battery 20.

  In addition, by providing the metal plate 13, the rigidity of the mobile phone 35 that is enlarged by mounting the large battery 20 can be improved.

  When assembling the cellular phone 35, first, the battery 20 is fitted into the battery recess 33 formed in the metal plate 13, and the battery 20 is provided in the battery recess 33.

  Next, the cushion member 15 in which the opening 17 is formed is placed on the display side surface of the battery 20. At this time, the opening 17 is arranged so that the above-described central portion 20a of the display side surface of the battery 20 is exposed.

  Next, the display panel 2 is fitted into the display recess 3 of the front cabinet 4 so as to cover the cushion member 15 and the battery 20 from the front side, and the cushion member 15 is disposed between the display panel 2 and the battery 20. At this time, the battery 20 is disposed between the display panel 2 and the metal plate 13.

  Next, in the same manner as in the first embodiment described above, the touch panel 8 is attached to the front cabinet 4 and the display panel 2, and then the back cabinet 6 that accommodates the circuit board 5 is attached to the front cabinet 4. 7 is manufactured by attaching the cover 21 that covers the back cabinet 6 together with the attachment.

  In addition, you may change the said embodiment as follows.

  As shown in FIG. 9, in the second embodiment, the front side surface of the battery recess 33 (that is, the surface on the arrow X side shown in FIG. 9 and the display side surface of the mobile phone 35) 33a It is good also as a structure which provides the double-sided tape 34 which is an adhesive bond layer, and affixes the battery 20 to the metal plate 13 by this double-sided tape 34. FIG.

  Moreover, in the said embodiment, although the touch panel 8 was mentioned as an example and demonstrated as a protection panel, it is good also as a structure which uses the protection panel formed with glass or transparent resin instead of this touch panel.

  In the above embodiment, a mobile phone has been described as an example. However, the present invention is not limited to this, and for example, PHS (Personal Handy-phone System), PDA (Personal Digital Assistant), personal computer, mobile The present invention can be applied to a device having a display panel such as a tool, an electronic dictionary, and a game machine.

  As described above, the present invention is particularly useful for a portable terminal equipped with a large battery.

1 Mobile phone (mobile terminal)
2 Display panel
3 Display recess
4 Front cabinet (cabinet)
5 Circuit board
5a Substrate 5b Circuit parts 6 Back cabinet
7 Touch panel recess
8 Touch panel (protection panel)
DESCRIPTION OF SYMBOLS 10 Battery accommodating part 10a Front side surface of battery accommodating part 13 Metal plate 15 Cushion member 17 Cushion member opening 18 Double-sided tape (adhesive layer)
20 Battery 21 Cover 22 TFT substrate
23 CF substrate
24 Liquid crystal layer
25 Sealing material
30 Double-sided tape 33 Recess for battery 34 Double-sided tape 35 Mobile phone

Claims (8)

A cabinet having a display recess on the front side;
A metal plate integrally formed with the cabinet and having a battery housing portion disposed on the back side of the display recess;
A display panel fitted into the display recess;
A protective panel attached to the display panel so as to cover the display panel;
A battery housed in the battery housing portion and disposed between the display panel and the metal plate;
A portable terminal comprising: a cushion member provided between the display panel and the battery and having an opening formed so as to overlap the battery in plan view.   The portable terminal according to claim 1, wherein the opening is formed so that a central portion of the surface of the battery on the display panel side is exposed.   The portable terminal according to claim 1, wherein the cushion member is formed in a rectangular frame shape. A cabinet having a display recess on the front side;
A metal plate integrally formed with the cabinet and having a battery recess disposed on the back side of the display recess;
A display panel fitted into the display recess;
A protective panel attached to the display panel so as to cover the display panel;
A battery fitted in the battery recess and disposed between the display panel and the metal plate;
A portable terminal comprising: a cushion member provided between the display panel and the battery and having an opening formed so as to overlap the battery in plan view.   The portable terminal according to claim 4, wherein the opening is formed so that a central portion of the surface of the battery on the display panel side is exposed.   The portable terminal according to claim 4 or 5, wherein the cushion member is formed in a rectangular frame shape.   The portable terminal according to any one of claims 1 to 6, wherein the display panel is a liquid crystal display panel or an organic EL display panel.   The portable terminal according to claim 1, wherein the protective panel is a touch panel.

Images