JP5511094B2 - Mobile device - Google Patents

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Publication number
JP5511094B2
JP5511094B2 JP2011247549A JP2011247549A JP5511094B2 JP 5511094 B2 JP5511094 B2 JP 5511094B2 JP 2011247549 A JP2011247549 A JP 2011247549A JP 2011247549 A JP2011247549 A JP 2011247549A JP 5511094 B2 JP5511094 B2 JP 5511094B2
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JP
Japan
Prior art keywords
display panel
housing
step surface
adhesive
groove
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
JP2011247549A
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Japanese (ja)
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JP2013106138A (en
Inventor
明典 大平
景介 篠生
祐之 佐藤
一則 河野
秀広 柳橋
賢治 南
文男 橋本
哲 高橋
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Panasonic Corp
Panasonic Holdings Corp
Original Assignee
Panasonic Corp
Matsushita Electric Industrial Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Panasonic Corp, Matsushita Electric Industrial Co Ltd filed Critical Panasonic Corp
Priority to JP2011247549A priority Critical patent/JP5511094B2/en
Priority to PCT/JP2012/006725 priority patent/WO2013069212A1/en
Publication of JP2013106138A publication Critical patent/JP2013106138A/en
Application granted granted Critical
Publication of JP5511094B2 publication Critical patent/JP5511094B2/en
Expired - Fee Related legal-status Critical Current
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
    • G06F1/1637—Details related to the display arrangement, including those related to the mounting of the display in the housing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/026—Details of the structure or mounting of specific components
    • H04M1/0266—Details of the structure or mounting of specific components for a display module assembly
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1626—Constructional details or arrangements for portable computers with a single-body enclosure integrating a flat display, e.g. Personal Digital Assistants [PDAs]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/18—Telephone sets specially adapted for use in ships, mines, or other places exposed to adverse environment

Description

本発明は、筐体に表示部を収容し、表示部よりも筐体の開口側に表示パネルを設け、段差面に表示パネルを接着することにより表示パネルで開口を閉鎖する携帯端末に関する。   The present invention relates to a portable terminal in which a display unit is housed in a housing, a display panel is provided on the opening side of the housing with respect to the display unit, and the display panel is bonded to a stepped surface to close the opening with the display panel.

図１１に示すように、携帯端末１００は、筐体１０１の内部１０２に回路基板１０３や表示装置１０４が収容され、表示装置１０４が筐体１０１の開口１０５に対峙され、開口１０５の段部１０６に表示パネル１０７が両面テープ１０８で接着されている。
表示パネル１０７は、近年大画面化しているため重量が増している。加えて、表示パネル１０７に強化ガラスが使用されたり、デバイス等が一体化されたりする傾向があり、表示パネル１０７はさらに重量が増すことが考えられる。 As shown in FIG. 11, in the mobile terminal 100, the circuit board 103 and the display device 104 are accommodated in the inside 102 of the housing 101, the display device 104 is opposed to the opening 105 of the housing 101, and the step portion 106 of the opening 105. The display panel 107 is bonded with a double-sided tape 108.
The display panel 107 has increased in weight since it has recently been enlarged. In addition, there is a tendency that tempered glass is used for the display panel 107 or devices and the like are integrated, and the display panel 107 can be further increased in weight.

この表示パネル１０７は、図１２に示すように、開口１０５の段部１０６に両面テープ１０８で接着されているので、表示パネル１０７が矢印方向に移動する虞がある。
このため、表示パネル１０７が移動することを考慮して、表示パネル１０７および筐体１０１の壁部１０９間にある程度大きな隙間１１０を確保する必要がある。 As shown in FIG. 12, since the display panel 107 is bonded to the step portion 106 of the opening 105 with a double-sided tape 108, the display panel 107 may move in the direction of the arrow.
For this reason, it is necessary to secure a certain large gap 110 between the display panel 107 and the wall portion 109 of the housing 101 in consideration of the movement of the display panel 107.

さらに、表示パネル１０７および段部１０６間の防水性を保つために両面テープ１０８の幅寸法をある程度大きく確保する必要がある。
このように、表示パネル１０７および壁部１０９間の隙間１１０や、両面テープ１０８の幅寸法をある程度大きくするために、筐体１０１の幅寸法や縦寸法を小さくする妨げになる。 Furthermore, in order to maintain the waterproofness between the display panel 107 and the stepped portion 106, it is necessary to secure the width dimension of the double-sided tape 108 to a certain extent.
Thus, in order to increase the gap 110 between the display panel 107 and the wall 109 and the width dimension of the double-sided tape 108 to some extent, it becomes an obstacle to reducing the width dimension and the vertical dimension of the housing 101.

このような課題に対して、両面テープ１０８に代えて接着剤を用いて筐体に蓋体を接着する方法が提案されている（例えば、特許文献１）。   For such a problem, a method of adhering a lid to a housing using an adhesive instead of the double-sided tape 108 is proposed (for example, Patent Document 1).

特開２００８−５５６４５号公報（段落００１３、図３）JP 2008-55645 A (paragraph 0013, FIG. 3)

しかし、特許文献１の接着方法は、筐体の上部を覆うように蓋体を被せ、被せた蓋体を筐体に接着剤で接着する方法であり、携帯端末１００の筐体１０１に表示パネル１０７を接着する方法への適用には適していない。   However, the bonding method of Patent Document 1 is a method in which a cover is covered so as to cover the upper part of the housing, and the covered cover is bonded to the housing with an adhesive, and the display panel is attached to the housing 101 of the mobile terminal 100. It is not suitable for application to the method of bonding 107.

本発明は、前述した課題を解決するためになされたものであり、その目的は、筐体を小型化できる携帯端末を提供することにある。   The present invention has been made to solve the above-described problems, and an object of the present invention is to provide a portable terminal capable of reducing the size of the housing.

本発明の携帯端末は、開口を有する筐体と、前記筐体に収容された表示部と、前記表示部よりも前記開口側に設けられ、前記筐体の内面に隣り合うとともに前記筐体の外側を向く段差面と、前記段差面に支持されて前記開口を閉鎖する表示パネルと、前記段差面と、前記表示パネルにおける前記表示部側の裏面との間に介装される接着剤とを備える。   The portable terminal of the present invention is provided with a housing having an opening, a display unit housed in the housing, the opening side of the display unit, adjacent to the inner surface of the housing and of the housing. A step surface facing outward, a display panel supported by the step surface and closing the opening, and an adhesive interposed between the step surface and the back surface of the display panel on the display unit side. Prepare.

筐体の段差面と表示パネルとの間に接着剤を介装することにより、表示パネルを接着剤で段差面に固定できる。
よって、表示パネルが、表示パネルの面方向に沿った方向に移動することを接着剤で阻止できるので、表示パネルおよび筐体の内面間の隙間を小さくできる。
これにより、筐体の幅寸法や縦寸法を小さく抑えることができるので筐体を小型化できる。 By interposing an adhesive between the step surface of the housing and the display panel, the display panel can be fixed to the step surface with the adhesive.
Therefore, since the adhesive can prevent the display panel from moving in the direction along the surface direction of the display panel, the gap between the display panel and the inner surface of the housing can be reduced.
Thereby, since the width dimension and vertical dimension of a housing | casing can be restrained small, a housing | casing can be reduced in size.

さらに、本発明の携帯端末は、前記段差面に設けられた溝部を有し、前記溝部は前記段差面の連続方向に沿って連続している。   Furthermore, the portable terminal of the present invention has a groove provided on the step surface, and the groove is continuous along the continuous direction of the step surface.

段差面の連続方向に沿って溝部を連続させることにより、表示パネルを段差面に接着する際に生じる余剰の接着剤を溝部に収容できる。
これにより、表示パネルおよび筐体の内面間の隙間に余剰の接着剤が浸入することを防いで、携帯端末の意匠性を高めることができる。 By making the groove part continuous along the continuous direction of the step surface, it is possible to accommodate the excess adhesive generated when the display panel is bonded to the step surface in the groove part.
Thereby, it is possible to prevent excessive adhesive from entering the gap between the inner surface of the display panel and the housing, and to improve the design of the mobile terminal.

また、本発明の携帯端末は、前記段差面における前記溝部側の第１稜部が断面円弧状である。   In the portable terminal of the present invention, the first ridge portion on the groove portion side of the step surface has an arcuate cross section.

段差面の第１稜部を断面円弧状に形成することにより、余剰の接着剤を第１稜部から溝部に円滑に導いて溝部に確実に収容できる。   By forming the first ridge portion of the step surface in an arc shape in cross section, the surplus adhesive can be smoothly guided from the first ridge portion to the groove portion and reliably accommodated in the groove portion.

さらに、本発明の携帯端末は、前記段差面における前記溝部とは反対側の第２稜部が断面円弧状であるとともに、前記第１稜部の断面半径寸法よりも前記第２稜部の断面半径寸法が小さい。   Furthermore, in the portable terminal of the present invention, the second ridge portion on the side of the step surface opposite to the groove portion is arcuate in cross section, and the cross section of the second ridge portion is larger than the cross sectional radius of the first ridge portion. Radial dimension is small.

段差面の第２稜部を第１稜部の断面半径寸法より小さくすることにより、余剰の接着剤を第２稜部から筐体の内部に浸入し難くできる。
これにより、余剰の接着剤を第１稜部から溝部に円滑に導いて溝部に確実に収容できる。 By making the 2nd ridge part of a level | step difference surface smaller than the cross-sectional radius dimension of a 1st ridge part, it can be hard to penetrate | invade an excess adhesive agent into the inside of a housing | casing from a 2nd ridge part.
Thereby, an excess adhesive agent can be smoothly guide | induced to a groove part from a 1st ridge part, and can be reliably accommodated in a groove part.

そして、本発明の携帯端末は、前記表示パネルの表面が前記段差面の壁部の上面に対して低い位置に配置されている。   And the portable terminal of this invention is arrange | positioned in the position where the surface of the said display panel is low with respect to the upper surface of the wall part of the said level | step difference surface.

本発明の携帯端末によれば、表示パネルを接着剤で段差面に固定し、表示パネルの移動を接着剤で阻止することにより、表示パネルおよび筐体の内面間の隙間を小さくして筐体を小型化できる。
また、本発明の携帯端末によれば、表示パネルをホットメルト接着剤で支持面に固定し、表示パネルの移動をホットメルト接着剤で阻止することにより筐体を小型化できる。 According to the portable terminal of the present invention, the display panel is fixed to the step surface with an adhesive, and the movement of the display panel is blocked with the adhesive, thereby reducing the gap between the display panel and the inner surface of the casing. Can be miniaturized.
Moreover, according to the portable terminal of the present invention, the display panel is fixed to the support surface with a hot melt adhesive, and the housing can be downsized by preventing the movement of the display panel with the hot melt adhesive.

本発明に係る第１実施形態の携帯端末を示す斜視図The perspective view which shows the portable terminal of 1st Embodiment which concerns on this invention. 図１の携帯端末を示す分解斜視図The disassembled perspective view which shows the portable terminal of FIG. 図１のＩ−Ｉ線断面図Sectional view taken along the line II of FIG. 図１の筐体を示す斜視図The perspective view which shows the housing | casing of FIG. 図３のＩＩ部拡大図Part II enlarged view of FIG. 第２実施形態の筐体を示す斜視図The perspective view which shows the housing | casing of 2nd Embodiment. 第２実施形態の携帯端末を示す断面図Sectional drawing which shows the portable terminal of 2nd Embodiment 第３実施形態の筐体を示す斜視図The perspective view which shows the housing | casing of 3rd Embodiment. 第３実施形態の携帯端末を示す断面図Sectional drawing which shows the portable terminal of 3rd Embodiment 第４実施形態の携帯端末を示す断面図Sectional drawing which shows the portable terminal of 4th Embodiment 従来の携帯端末を示す断面図Sectional view showing a conventional portable terminal 図１１のＩＩＩ部拡大図Part III enlarged view of FIG.

以下、本発明の実施形態に係る携帯端末について図面を参照して説明する。   Hereinafter, a mobile terminal according to an embodiment of the present invention will be described with reference to the drawings.

（第１実施形態）
図１、図２に示すように、第１実施形態の携帯端末１０は、開口１２を有する筐体１１と、筐体１１の内部１４に収容された回路基板１６および表示部１７（図３参照）と、表示部１７よりも開口１２側に設けられた段差面１８とを備えている。
開口１２は、筐体１１の壁部１３で形成されている。 (First embodiment)
As shown in FIGS. 1 and 2, the mobile terminal 10 according to the first embodiment includes a housing 11 having an opening 12, a circuit board 16 housed in an interior 14 of the housing 11, and a display unit 17 (see FIG. 3). ) And a stepped surface 18 provided closer to the opening 12 than the display unit 17.
The opening 12 is formed by the wall portion 13 of the housing 11.

さらに、携帯端末１０は、図３に示すように、段差面１８に設けられた溝部１９と、段差面１８に支持されて開口１２を閉鎖する表示パネル２１と、段差面１８および表示パネル２１間に介装された接着剤２３とを備えている。表示パネル２１は開口を覆い、筐体１１に塗布された接着剤２３によって、前記筐体と接着される。また、この接着剤塗布面の外周に沿って壁部１３が形成されている。   Further, as shown in FIG. 3, the mobile terminal 10 includes a groove portion 19 provided in the step surface 18, a display panel 21 supported by the step surface 18 and closing the opening 12, and the gap between the step surface 18 and the display panel 21. And an adhesive 23 interposed therebetween. The display panel 21 covers the opening and is bonded to the casing by an adhesive 23 applied to the casing 11. Moreover, the wall part 13 is formed along the outer periphery of this adhesive agent coating surface.

図４、図５に示すように、表示パネル２１の表面２１Ａが壁部１３の上面１３Ａに対して低い位置に配置されている。
段差面１８は、表示部１７よりも開口１２側に設けられ、筐体１１（壁部１３）の内面１３Ｂに隣り合うとともに筐体１１の開口１２を経て外側を向くように形成されている。 As shown in FIGS. 4 and 5, the surface 21 </ b> A of the display panel 21 is disposed at a lower position than the upper surface 13 </ b> A of the wall portion 13.
The step surface 18 is provided closer to the opening 12 than the display unit 17, and is formed so as to be adjacent to the inner surface 13 </ b> B of the housing 11 (wall portion 13) and to face the outside through the opening 12 of the housing 11.

この段差面１８は、溝部１９側に第１稜部１８Ａを有し、筐体１１の内部１４側（すなわち、溝部１９とは反対側）に第２稜部１８Ｂを有する。
第１稜部１８Ａおよび第２稜部１８Ｂは、各々が断面円弧状に形成されている。
また、第１稜部１８Ａの断面半径寸法より第２稜部１８Ｂの断面半径寸法が小さく形成されている。 The step surface 18 has a first ridge 18 </ b> A on the groove 19 side, and a second ridge 18 </ b> B on the inside 14 side of the housing 11 (that is, the side opposite to the groove 19).
Each of the first ridge portion 18A and the second ridge portion 18B is formed in a circular arc shape in cross section.
The cross-sectional radius dimension of the second ridge portion 18B is smaller than the cross-sectional radius dimension of the first ridge portion 18A.

溝部１９は、段差面１８に設けられ、段差面１８の連続方向に沿って連続されている。   The groove portion 19 is provided on the step surface 18 and is continuous along the continuous direction of the step surface 18.

接着剤２３は、段差面１８と、表示パネル２１における表示部１７側の裏面２１Ｂとの間に介装されている。
ここで、段差面１８に表示パネル２１を接着剤２３で好適に固定するためには、接着剤２３の必要断面積Ｓを確保することが求められる。
必要断面積Ｓは、表示パネル２１の裏面２１Ｂおよび段差面１８間の間隔寸法Ａと、段差面１８の幅寸法Ｂとの積である。
例えば、間隔寸法Ａは０．２ｍｍが適用される。 The adhesive 23 is interposed between the step surface 18 and the back surface 21 </ b> B on the display unit 17 side of the display panel 21.
Here, in order to suitably fix the display panel 21 to the stepped surface 18 with the adhesive 23, it is required to secure the necessary cross-sectional area S of the adhesive 23.
The required cross-sectional area S is the product of the distance dimension A between the back surface 21B and the step surface 18 of the display panel 21 and the width dimension B of the step surface 18.
For example, the spacing dimension A is 0.2 mm.

段差面１８と表示パネル２１との間に接着剤２３を介装することにより、表示パネル２１を接着剤２３で段差面１８に固定できる。
よって、表示パネル２１が、表示パネル２１の面方向に沿った方向（一例として、図３に示す矢印方向）に移動することを接着剤２３で阻止できるので、表示パネル２１および壁部１３の内面１３Ｂ間の隙間Ｓを小さくできる。
これにより、筐体１１の幅寸法Ｗや縦寸法Ｌ（図１参照）を小さく抑えることができるので筐体１１を小型化できる。 By interposing the adhesive 23 between the step surface 18 and the display panel 21, the display panel 21 can be fixed to the step surface 18 with the adhesive 23.
Therefore, since the adhesive 23 can prevent the display panel 21 from moving in the direction along the surface direction of the display panel 21 (for example, the arrow direction shown in FIG. 3), the inner surfaces of the display panel 21 and the wall portion 13 can be prevented. The gap S between 13B can be reduced.
Thereby, since the width dimension W and the vertical dimension L (refer FIG. 1) of the housing | casing 11 can be restrained small, the housing | casing 11 can be reduced in size.

さらに、段差面１８の連続方向に沿って溝部１９を連続させることにより、表示パネル２１を段差面１８に接着する際に生じる余剰の接着剤２３Ａを溝部１９に収容できる。
これにより、表示パネル２１および壁部１３の内面１３Ｂ間の隙間Ｓに余剰の接着剤２３Ａが浸入することを防いで、携帯端末１０の意匠性を高めることができる。 Furthermore, by allowing the groove portion 19 to continue along the continuous direction of the step surface 18, it is possible to accommodate the excess adhesive 23 </ b> A generated when the display panel 21 is bonded to the step surface 18 in the groove portion 19.
Thereby, it is possible to prevent the excess adhesive 23 </ b> A from entering the gap S between the display panel 21 and the inner surface 13 </ b> B of the wall portion 13, and improve the design of the mobile terminal 10.

さらに、段差面１８の第２稜部１８Ｂを第１稜部１８Ａの断面半径寸法より小さくすることにより、余剰の接着剤２３Ａを第２稜部１８Ｂから筐体１１の内部１４に浸入し難くできる。
これにより、余剰の接着剤２３Ａを第１稜部１８Ａから溝部１９に円滑に導いて溝部１９に確実に収容できる。 Furthermore, by making the second ridge portion 18B of the step surface 18 smaller than the cross-sectional radius dimension of the first ridge portion 18A, it is possible to make it difficult for excess adhesive 23A to enter the interior 14 of the housing 11 from the second ridge portion 18B. .
Thereby, the surplus adhesive 23 </ b> A can be smoothly guided from the first ridge 18 </ b> A to the groove 19 and can be reliably accommodated in the groove 19.

次に、第２実施形態〜第４実施形態を図６〜図１０に基づいて説明する。
なお、第２実施形態〜第４実施形態において第１実施形態の携帯端末１０と同一類似部材については同じ符号を付して説明を省略する。 Next, 2nd Embodiment-4th Embodiment are described based on FIGS. 6-10.
In addition, in 2nd Embodiment-4th Embodiment, the same code | symbol is attached | subjected about the same similar member as the portable terminal 10 of 1st Embodiment, and description is abbreviate | omitted.

（第２実施形態）
図６、図７に示すように、第２実施形態の携帯端末３０は、壁部１３の内面１３Ｂから複数の突起部３２を突出させて、突起部３２に表示パネル２１の裏面２１Ｂを当接させるように構成したもので、その他の構成は第１実施形態の携帯端末１０と同様である。 (Second Embodiment)
As illustrated in FIGS. 6 and 7, the mobile terminal 30 according to the second embodiment projects a plurality of protrusions 32 from the inner surface 13 </ b> B of the wall 13, and abuts the rear surface 21 </ b> B of the display panel 21 on the protrusion 32. Other configurations are the same as those of the mobile terminal 10 of the first embodiment.

複数の突起部３２は、所定間隔をおいて形成され、各上面３２Ａが段差面１８の上方に配置されている。
よって、突起部３２の上面３２Ａに表示パネル２１の裏面２１Ｂを当接することにより、表示パネル２１を突起部３２で所定位置に保持できる。 The plurality of protrusions 32 are formed at predetermined intervals, and each upper surface 32 </ b> A is disposed above the step surface 18.
Therefore, the display panel 21 can be held at a predetermined position by the protrusion 32 by bringing the back surface 21B of the display panel 21 into contact with the upper surface 32A of the protrusion 32.

これにより、表示パネル２１の裏面２１Ｂで接着剤２３が過度に潰されることを防止できる。
従って、表示パネル２１を段差面１８に接着するために必要な接着剤２３の断面積Ｓを確保して表示パネル２１を段差面１８に確実に接着できる。 Thereby, it can prevent that the adhesive agent 23 is crushed excessively by the back surface 21B of the display panel 21. FIG.
Accordingly, the cross-sectional area S of the adhesive 23 necessary for bonding the display panel 21 to the step surface 18 can be secured and the display panel 21 can be securely bonded to the step surface 18.

加えて、第２実施形態の携帯端末３０によれば、第１実施形態の携帯端末１０と同様の効果が得られる。   In addition, according to the mobile terminal 30 of the second embodiment, the same effect as the mobile terminal 10 of the first embodiment can be obtained.

（第３実施形態）
図８、図９に示すように、第３実施形態の携帯端末４０は、段差面１８から突起部４２を突出させて、突起部４２に表示パネル２１の裏面２１Ｂを当接させるように構成したもので、その他の構成は第１実施形態の携帯端末１０と同様である。 (Third embodiment)
As shown in FIGS. 8 and 9, the mobile terminal 40 according to the third embodiment is configured such that the protrusion 42 protrudes from the step surface 18 and the rear surface 21 </ b> B of the display panel 21 contacts the protrusion 42. However, other configurations are the same as those of the mobile terminal 10 of the first embodiment.

突起部４２は、段差面１８の連続方向に沿って連続して形成され、上面４２Ａが段差面１８の上方に配置されている。
よって、突起部４２の上面４２Ａに表示パネル２１の裏面２１Ｂを当接することにより、表示パネル２１を突起部４２で所定位置に保持できる。 The protrusion 42 is continuously formed along the continuous direction of the step surface 18, and the upper surface 42 </ b> A is disposed above the step surface 18.
Therefore, the display panel 21 can be held at a predetermined position by the protrusion 42 by bringing the back surface 21B of the display panel 21 into contact with the upper surface 42A of the protrusion 42.

これにより、表示パネル２１の裏面２１Ｂで接着剤２３が過度に潰されることを防止できる。
従って、表示パネル２１を段差面１８に接着するために必要な接着剤２３の断面積Ｓを確保して表示パネル２１を段差面１８に確実に接着できる。 Thereby, it can prevent that the adhesive agent 23 is crushed excessively by the back surface 21B of the display panel 21. FIG.
Accordingly, the cross-sectional area S of the adhesive 23 necessary for bonding the display panel 21 to the step surface 18 can be secured and the display panel 21 can be securely bonded to the step surface 18.

加えて、第３実施形態の携帯端末４０によれば、第１実施形態の携帯端末１０と同様の効果が得られる。   In addition, according to the portable terminal 40 of 3rd Embodiment, the effect similar to the portable terminal 10 of 1st Embodiment is acquired.

（第４実施形態）
図１０に示すように、第４実施形態の携帯端末５０は、筐体５１の壁部５２に支持面５３を備え、支持面５３および表示パネル２１の裏面２１Ｂ間にホットメルト接着剤５５を介装したしたもので、その他の構成は第１実施形態の携帯端末１０と同様である。 (Fourth embodiment)
As illustrated in FIG. 10, the mobile terminal 50 of the fourth embodiment includes a support surface 53 on the wall 52 of the housing 51, and a hot melt adhesive 55 is interposed between the support surface 53 and the back surface 21 </ b> B of the display panel 21. Other configurations are the same as those of the mobile terminal 10 of the first embodiment.

支持面５３は、壁部５２の上部に形成され、開口５４に沿うとともに筐体５１の外側を向くように形成されている。   The support surface 53 is formed on the upper portion of the wall portion 52 and is formed so as to be along the opening 54 and to face the outside of the housing 51.

筐体５１の支持面５３および表示パネル２１間にホットメルト接着剤５５を介装することにより、表示パネル２１をホットメルト接着剤５５で支持面５３に固定できる。
よって、表示パネル２１が、表示パネル２１の面方向に沿った方向（一例として、矢印方向を示す）に移動することをホットメルト接着剤５５で阻止できる。
これにより、筐体５１の幅寸法や縦寸法を小さく抑えることができるので筐体５１を小型化できる。 By interposing the hot melt adhesive 55 between the support surface 53 of the housing 51 and the display panel 21, the display panel 21 can be fixed to the support surface 53 with the hot melt adhesive 55.
Therefore, the hot melt adhesive 55 can prevent the display panel 21 from moving in the direction along the surface direction of the display panel 21 (indicated by the arrow direction as an example).
Thereby, since the width dimension and the vertical dimension of the housing | casing 51 can be restrained small, the housing | casing 51 can be reduced in size.

なお、本発明に係る携帯端末は、前述した実施形態に限定されるものではなく適宜変更、改良等が可能である。
例えば、第１実施形態では、段差面１８の第１稜部１８Ａおよび第２稜部１８Ｂを断面円弧状に形成した例について説明したが、これに限らないで、第１稜部１８Ａのみを断面円弧状に形成することも可能である。
第１稜部１８Ａのみを断面円弧状に形成した場合でも、余剰の接着剤２３Ａを第１稜部１８Ａから溝部１９に円滑に導いて溝部１９に確実に収容できる。 Note that the mobile terminal according to the present invention is not limited to the above-described embodiment, and can be appropriately changed and improved.
For example, in the first embodiment, the example in which the first ridge portion 18A and the second ridge portion 18B of the step surface 18 are formed in a cross-section arc shape has been described, but the present invention is not limited thereto, and only the first ridge portion 18A is cross-sectioned. It is also possible to form it in an arc shape.
Even when only the first ridge portion 18A is formed in a circular arc shape, the surplus adhesive 23A can be smoothly guided from the first ridge portion 18A to the groove portion 19 and reliably accommodated in the groove portion 19.

また、第２実施形態では、複数の突起部３２を所定間隔をおいて設けた例について説明したが、これに限らないで、突起部を段差面１８の連続方向に沿って連続させて設けることも可能である。   Moreover, although 2nd Embodiment demonstrated the example which provided the several protrusion part 32 in the predetermined space | interval, it is not restricted to this, A protrusion part is provided continuously along the continuous direction of the level | step difference surface 18. FIG. Is also possible.

さらに、第３実施形態では、突起部４２を段差面１８の連続方向に沿って連続させて形成した例について説明したが、これに限らないで、複数の突起部を所定間隔をおいて設けることも可能である。   Further, in the third embodiment, the example in which the protrusions 42 are continuously formed along the continuous direction of the stepped surface 18 has been described. However, the present invention is not limited to this, and a plurality of protrusions are provided at predetermined intervals. Is also possible.

また、第３実施形態で形成した突起部４２および壁部１３の内面１３Ｂ間に溝部を形成して、溝部に余剰の接着剤２３を収容することも可能である。   Moreover, it is also possible to form a groove part between the protrusion part 42 formed in 3rd Embodiment, and the inner surface 13B of the wall part 13, and to accommodate the excess adhesive agent 23 in a groove part.

さらに、第１実施形態〜第４実施形態で使用した携帯端末、筐体、回路基板、表示部、段差面、第１稜部、第２稜部、溝部、表示パネル、突起部および支持面等の形状や構成は例示したものに限定するものではなく適宜変更が可能である。   Furthermore, the portable terminal, housing, circuit board, display unit, step surface, first ridge, second ridge, groove, display panel, projection, support surface, and the like used in the first to fourth embodiments These shapes and configurations are not limited to those illustrated, and can be changed as appropriate.

本発明は、筐体に表示部を収容し、表示部よりも筐体の開口側に表示パネルを設け、表示パネルで開口を閉鎖する携帯端末への適用に好適である。   The present invention is suitable for application to a portable terminal in which a display unit is housed in a housing, a display panel is provided closer to the opening side of the housing than the display unit, and the opening is closed by the display panel.

１０，３０，４０，５０ 携帯端末
１１，５１ 筐体
１２ 開口
１３ 壁部
１３Ｂ 内面
１４ 筐体の内部
１６ 回路基板
１７ 表示部
１８ 段差面
１８Ａ 第１稜部
１８Ｂ 第２稜部
１９ 溝部
２１ 表示パネル
２１Ｂ 表示パネルの裏面
２３ 接着剤
３２，４２ 突起部
５３ 支持面
５５ ホットメルト接着剤 DESCRIPTION OF SYMBOLS 10, 30, 40, 50 Mobile terminal 11, 51 Housing | casing 12 Opening 13 Wall part 13B Inner surface 14 Inside of housing | casing 16 Circuit board 17 Display part 18 Level | step difference surface 18A 1st edge part 18B 2nd edge part 19 Groove part 21 Display panel 21B Rear surface of display panel 23 Adhesive 32, 42 Protrusion 53 Support surface 55 Hot melt adhesive

Claims (2)

開口を有する筐体と、
前記筐体に収容された表示部と、
前記表示部よりも前記開口側に設けられ、前記筐体の内面に隣り合うとともに前記筐体の外側を向く段差面と、
前記段差面に支持されて前記開口を閉鎖する表示パネルと、
前記段差面と、前記表示パネルにおける前記表示部側の裏面との間に介装される接着剤と、
前記段差面に設けられた溝部とを備え、
前記溝部は前記段差面の連続方向に沿って連続し、
前記段差面における前記溝部側の第１稜部は断面円弧状であり、
前記段差面における前記溝部とは反対側の第２稜部は断面円弧状であるとともに、前記第１稜部の断面半径寸法よりも前記第２稜部の断面半径寸法が小さい携帯端末。 A housing having an opening;
A display unit housed in the housing;
A step surface provided on the opening side of the display unit, adjacent to the inner surface of the housing and facing the outside of the housing;
A display panel supported by the step surface and closing the opening;
An adhesive interposed between the step surface and the back surface on the display unit side of the display panel ;
A groove provided on the step surface,
The groove is continuous along the continuous direction of the stepped surface,
The first ridge portion on the groove portion side in the step surface has a circular arc cross section,
The second ridge portion on the side opposite to the groove portion on the step surface has a circular arc cross section, and the mobile terminal has a smaller cross sectional radius size of the second ridge portion than a cross sectional radius size of the first ridge portion . 請求項１に記載の携帯端末において、
前記表示パネルの表面が前記段差面の壁部の上面に対して低い位置に配置されている携帯端末。 The mobile terminal according to claim 1 ,
The portable terminal by which the surface of the said display panel is arrange | positioned in the low position with respect to the upper surface of the wall part of the said level | step difference surface.
JP2011247549A 2011-11-11 2011-11-11 Mobile device Expired - Fee Related JP5511094B2 (en)

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