JP2006012730A - Static elimination member, static countermeasure unit and portable electronic apparatus - Google Patents

Static elimination member, static countermeasure unit and portable electronic apparatus Download PDF

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JP2006012730A
JP2006012730A JP2004191970A JP2004191970A JP2006012730A JP 2006012730 A JP2006012730 A JP 2006012730A JP 2004191970 A JP2004191970 A JP 2004191970A JP 2004191970 A JP2004191970 A JP 2004191970A JP 2006012730 A JP2006012730 A JP 2006012730A
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static electricity
connection terminal
circuit board
electrical component
display
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Takashi Moriguchi
隆 森口
Kiyoto Shimizu
清人 清水
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Kyocera Corp
京セラ株式会社
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Abstract

<P>PROBLEM TO BE SOLVED: To improve manufacturing efficiency of a portable electronic apparatus and to improve reliability of countermeasures of an electric component against static electricity, in a static elimination member for countermeasures against static electricity of an electric component installed in a casing constituting the portable electronic apparatus and exposed to the outside of the casing. <P>SOLUTION: This static elimination member 33 of an electric component 13 formed of a conductive material includes a frame body part 35 covering at least a peripheral edge of a principal surface of the electric component 13 and a connection terminal part 39 formed integrally with the frame body part 35 and extending downward. In the static elimination member 33 provided in this case, the connection terminal part 39 is equipped with a lock part 41 engaging with the electric component 13 and an elastically deformable spring part 43. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

この発明は、電気部品の静電気除去部材、及び、これを備えた電気部品の静電気対策ユニット、及び、これを用いた携帯電子機器に関する。   The present invention relates to a static electricity removing member for an electrical component, a static electricity countermeasure unit for an electrical component including the same, and a portable electronic device using the same.
従来、携帯電話機、簡易型携帯電話機(PHS(登録商標))、PDA(Personal Digital Assistants)、デジタルカメラ等の携行可能な携帯電子機器は、筐体と、筐体内部に配されると共に筐体の外部に露出する電気部品と、この電気部品を搭載する回路基板とを備えている。このような電気部品としては、例えば、液晶表示装置、マイクロフォン、スピーカ、カメラユニット等がある。そして、これら電気部品の回りには、静電気による電気部品の誤動作を防止することを目的として、回路基板に形成されたグランド電極に静電気を逃がすために様々な工夫がなされている(例えば、特許文献1参照。)。
このような静電気対策構造としては、例えば、薄膜状の金属箔から形成され、電気部品の表面に粘着剤を介して貼り付けるように構成されたものがある。また、電気部品や回路基板は、筐体の厚さ方向に重ねて配されており、筐体を構成する一対のケース部材により挟み込まれている。このような静電気対策構造体及びグランド電極は、これらケース部材の挟み込み力によって相互に当接し、これらの電気的な導通が図られている。
特開2003−18264号公報
2. Description of the Related Art Conventionally, portable electronic devices such as mobile phones, simplified mobile phones (PHS (registered trademark)), PDAs (Personal Digital Assistants), digital cameras, and the like are arranged in a casing, and the casing. And an electric component exposed to the outside, and a circuit board on which the electric component is mounted. Examples of such electrical components include a liquid crystal display device, a microphone, a speaker, and a camera unit. Around these electrical components, various devices have been devised to allow static electricity to escape to the ground electrode formed on the circuit board in order to prevent malfunction of the electrical components due to static electricity (for example, Patent Documents). 1).
As such an anti-static structure, for example, there is a structure that is formed from a thin metal foil and is attached to the surface of an electrical component via an adhesive. In addition, the electrical components and the circuit board are arranged so as to overlap each other in the thickness direction of the casing, and are sandwiched between a pair of case members constituting the casing. Such an anti-static structure and a ground electrode are brought into contact with each other by the sandwiching force of these case members, and electrical conduction therebetween is achieved.
JP 2003-18264 A
しかしながら、上記従来のこのような静電気対策構造体は、電気部品の表面に貼り付ける金属泊から構成されているため、静電気対策構造体の取り付け作業に時間がかかり、携帯電子機器の製造効率を低下させるという問題がある。
また、一対のケース部材により電気部品及び回路基板を挟み込む力を利用して、このような静電気対策構造体を回路基板のグランド電極と当接させるような構造であるため、このような静電気対策構造体とグランド電極との電気的な導通を確実に行うことが難しく、特に振動等により接触不良を起こす虞があり、電気部品の静電気対策の信頼性に欠けるという問題がある。
この発明は、上述した事情に鑑みてなされたものであって、携帯電子機器の製造効率を向上させると共に、電気部品の静電気対策の信頼性向上を図ることができる静電気除去部材と、これを備えた電気部品の静電気対策ユニット及びこれを用いた携帯電子機器を提供することを目的としている。
However, since the conventional anti-static structure as described above is composed of a metal stay attached to the surface of an electrical component, it takes time to install the anti-static structure and reduces the manufacturing efficiency of portable electronic devices. There is a problem of making it.
In addition, since such a structure against static electricity is brought into contact with the ground electrode of the circuit board by using a force that sandwiches the electrical component and the circuit board between the pair of case members, such a structure against static electricity is provided. There is a problem that it is difficult to ensure electrical continuity between the body and the ground electrode, particularly there is a risk of contact failure due to vibration or the like, and the reliability of countermeasures against static electricity of electrical components is lacking.
The present invention has been made in view of the above-described circumstances, and includes an electrostatic removal member capable of improving the manufacturing efficiency of a portable electronic device and improving the reliability of countermeasures against static electricity of an electrical component. It is an object of the present invention to provide a static electricity countermeasure unit for electric parts and a portable electronic device using the same.
上記課題を解決するために、この発明は以下の手段を提案している。
本発明に係る静電気除去部材は、導電性材料により形成された電気部品の静電気除去部材であって、前記電気部品の少なくとも主面の周縁を覆う枠体部と、該枠体部と一体的に形成され、下方に延びる接続端子部とを有し、該接続端子部には、前記電気部品に係合する係止部と、弾性変形可能なバネ部とを備えることを特徴とする。なお、電気部品の主面とは、例えば、電気部品を筐体内部に設けた状態において筐体の外方に露出する部分を含んだ面を示している。
また、本発明に係る静電気除去部材は、前記接続端子部が前記電気部品を挟んで一対設けられ、前記接続端子部の先端側に前記バネ部が設けられ、該バネ部と前記接続端子部の根元部との間に前記係止部が設けられていることを特徴とする。
In order to solve the above problems, the present invention proposes the following means.
The static electricity removing member according to the present invention is a static electricity removing member for an electrical component formed of a conductive material, and includes a frame body portion covering at least a peripheral edge of the main surface of the electrical component, and the frame body portion integrally. The connection terminal portion is formed and extends downward, and the connection terminal portion includes a locking portion that engages with the electric component and a spring portion that is elastically deformable. Note that the main surface of the electrical component indicates, for example, a surface including a portion exposed to the outside of the housing in a state where the electrical component is provided inside the housing.
Further, in the static electricity removing member according to the present invention, the connection terminal portion is provided in a pair with the electrical component interposed therebetween, the spring portion is provided on the distal end side of the connection terminal portion, the spring portion and the connection terminal portion The locking portion is provided between the base portion and the base portion.
さらに、本発明に係る静電気対策ユニットは、前記静電気除去部材と、主面に隣接する側面に前記静電除去部材の係止部と係合する係合部を有する電気部品と、グランド電極を有する回路基板とを有し、前記静電気除去部材の枠体部を前記電気部品の主面周縁に配置し、かつ前記静電気除去部材の係止部を前記電気部品の係合部と係合させると共に、前記静電気除去部材の接続端子部を前記回路基板のグランド電極と弾性接触させてあることを特徴とする。
また、本発明に係る静電気対策ユニットは、前記接続端子部のバネ部を前記電気部品の係合部による押圧力により弾性変形させて前記接続端子部を前記回路基板のグランド電極と弾性接触させてあることを特徴とする。
Furthermore, the static electricity countermeasure unit according to the present invention includes the static electricity removing member, an electric component having an engaging portion that engages with a locking portion of the static electricity removing member on a side surface adjacent to the main surface, and a ground electrode. A circuit board, disposing the frame portion of the static electricity removing member on the peripheral edge of the main surface of the electrical component, and engaging the engaging portion of the static electricity removing member with the engaging portion of the electrical component, The connection terminal portion of the static electricity removing member is in elastic contact with the ground electrode of the circuit board.
Further, the static electricity countermeasure unit according to the present invention is configured such that the spring portion of the connection terminal portion is elastically deformed by a pressing force by the engagement portion of the electrical component, and the connection terminal portion is elastically contacted with the ground electrode of the circuit board. It is characterized by being.
さらに、本発明に係る携帯電子機器は、前記静電気対策ユニットを筐体内に具備することを特徴とする。
また、本発明に係る携帯電子機器は、前記電気部品の側面には、外方に突出する水平壁部と、該水平壁部より下方に延びる垂直壁部とからなる突出部が設けられ、該突出部を前記筐体に係合させて固定すると共に、前記水平壁部には前記係合部が設けられ、前記電気部品を筐体内に固定したとき、前記係合部による押圧力により前記接続端子部のバネ部を弾性変形させて接続端子部を前記回路基板のグランド電極と弾性接触させてあることを特徴とする。
Furthermore, the portable electronic device according to the present invention is characterized in that the anti-static unit is provided in a housing.
Further, in the portable electronic device according to the present invention, a protruding portion including a horizontal wall portion protruding outward and a vertical wall portion extending downward from the horizontal wall portion is provided on a side surface of the electrical component, The projecting portion is engaged and fixed to the housing, and the horizontal wall portion is provided with the engaging portion, and when the electrical component is fixed in the housing, the connection is caused by the pressing force of the engaging portion. The spring part of the terminal part is elastically deformed, and the connection terminal part is brought into elastic contact with the ground electrode of the circuit board.
本発明によれば、係止部を電気部品に係合させることにより、枠体部と電気部品とを一体的に固定することができるため、この電気部品を内蔵する携帯電子機器の組立作業性の向上を図ることができる。また、従来のように、静電気除去部材を接着により電気部品に貼り付けるのではなく、係止部を利用して静電気除去部材を電気部品に取り付ける構成となっているため、電気部品に対する静電気除去部材の脱着を容易に行うことができ、電気部品のメンテナンスも容易に行うことができる。   According to the present invention, since the frame portion and the electrical component can be fixed integrally by engaging the locking portion with the electrical component, the assembly workability of the portable electronic device incorporating the electrical component is improved. Can be improved. In addition, since the static electricity removing member is not attached to the electrical component by bonding as in the prior art, the static electricity removing member is attached to the electrical component using a locking portion. Can be easily attached and detached, and maintenance of electric parts can be easily performed.
また、電気部品を回路基板の表面に配した状態においては、バネ部の付勢力により回路基板の表面に形成されたグランド電極と静電気除去部材との電気接続を保持できるため、電気部品の近傍で発生した静電気を枠体部からグランド電極に確実に逃がすことができる。したがって、電気部品の静電気対策の信頼性向上を図ることができる。   In addition, in the state where the electrical component is arranged on the surface of the circuit board, the electrical connection between the ground electrode formed on the surface of the circuit board and the static eliminator can be maintained by the biasing force of the spring portion. The generated static electricity can be surely released from the frame body portion to the ground electrode. Therefore, it is possible to improve the reliability of the countermeasure against static electricity of the electrical component.
図1から図5は本発明に係る一実施形態を示しており、ここで説明する実施の形態は、この発明を携帯電話機に適用した場合のものである。この実施の形態に係る携帯電話機(携帯電子機器)1は、図1,2に示すように、第1の筐体2と、この第1の筐体2の厚さ方向に重ね合わせ可能な第2の筐体3と、これら2つの筐体2,3を相互に折り畳み自在に連結するヒンジ部5とを備えている。なお、ヒンジ部5は、2つの筐体2,3の各端部2a,3a(以下、基端部2a,3aと呼ぶ。)同士を連結するように配されている。   1 to 5 show one embodiment according to the present invention, and the embodiment described here is a case where the present invention is applied to a mobile phone. As shown in FIGS. 1 and 2, a mobile phone (mobile electronic device) 1 according to this embodiment includes a first casing 2 and a first casing 2 that can be overlapped in the thickness direction of the first casing 2. 2 housings 3 and a hinge portion 5 that connects the two housings 2 and 3 so that they can be folded together. In addition, the hinge part 5 is distribute | arranged so that each edge part 2a, 3a (henceforth base end part 2a, 3a) of the two housing | casing 2 and 3 may be connected.
第1の筐体2の内部には、通話キー、終話キー等の各種の押圧可能な操作キーからなる操作部7及び通話用のマイクロフォン部9が設けられている。マイクロフォン部9は、基端部2aとは反対側に位置する第1の筐体2の先端部2bに配されている。これら操作部7及びマイクロフォン部9は、2つの筐体2,3を相互に重ね合わせた状態において第2の筐体3に対向する第1の筐体2の対向面2cから外方に露出している。
第2の筐体3の内部には、LCD(Liquid Crystal Display)等、各種情報を表示する2つの表示部11,13、通話用のスピーカ部15、そして、第1の筐体2に備える操作部7やマイクロフォン部9と電気接続させるための回路基板(図示せず)が設けられている。スピーカ部15は、基端部3aとは反対側に位置する第2の筐体3の先端部3bに配されている。
Inside the first housing 2 are provided an operation unit 7 composed of various pressable operation keys such as a call key and a call end key, and a microphone unit 9 for a call. The microphone unit 9 is disposed at the distal end portion 2b of the first housing 2 located on the opposite side to the base end portion 2a. The operation unit 7 and the microphone unit 9 are exposed outward from the facing surface 2c of the first housing 2 that faces the second housing 3 in a state where the two housings 2 and 3 are overlapped with each other. ing.
Inside the second housing 3 are two display units 11 and 13 for displaying various information, such as an LCD (Liquid Crystal Display), a speaker unit 15 for calling, and operations provided in the first housing 2. A circuit board (not shown) for electrical connection with the unit 7 and the microphone unit 9 is provided. The speaker unit 15 is disposed at the distal end portion 3b of the second casing 3 that is located on the opposite side of the base end portion 3a.
第1の表示部11及びスピーカ部15は、2つの筐体2,3を相互に重ね合わせた状態において第1の筐体2に対向する第2の筐体3の対向面3cから外方に露出している。また、第2の表示部(電気部品)13は、対向面3cとは反対側に位置する外面3dから外方に露出している。
対向面2c,3cから露出する操作部7、マイクロフォン部9、第1の表示部11及びスピーカ部15は、第1、第2の筐体2,3を互いに重ね合わせて閉じた状態において、各筐体2,3により覆い隠されるようになっている。また、外面3dから露出する第2の表示部13の表示面13aは、2つの筐体2,3の開閉状態にかかわらず、外方に露出している。なお、図中の符号16は、基地局と無線通信を行うためのアンテナである。
The first display unit 11 and the speaker unit 15 are outward from the facing surface 3c of the second housing 3 that faces the first housing 2 in a state where the two housings 2 and 3 are overlapped with each other. Exposed. The second display portion (electrical component) 13 is exposed outward from the outer surface 3d located on the side opposite to the facing surface 3c.
The operation unit 7, the microphone unit 9, the first display unit 11, and the speaker unit 15 exposed from the facing surfaces 2 c and 3 c are each in a state in which the first and second casings 2 and 3 are overlapped and closed. Covered by the casings 2 and 3. Further, the display surface 13a of the second display unit 13 exposed from the outer surface 3d is exposed to the outside regardless of whether the two casings 2 and 3 are opened or closed. In addition, the code | symbol 16 in a figure is an antenna for performing radio | wireless communication with a base station.
第2の表示部13は、図3,4に示すように、回路基板17の表面17aに配されており、外方に露出する表示面13aを備える略矩形板状の表示部本体(本体部)19と、表示部本体19の側面19cから突出する一対の突出部23を備えており、これら突出部23は、表示部本体19を挟んで互いに対称な位置に配されている。各突出部23は、表示部本体19の側面19cから表示面13aに対して略平行に延びる略板状の水平壁部(係合部)25と、水平壁部25の先端から回路基板17側に向けて延びる垂直壁部27とを備えている。   As shown in FIGS. 3 and 4, the second display unit 13 is disposed on the surface 17 a of the circuit board 17 and has a substantially rectangular plate-like display unit body (main body unit) having a display surface 13 a exposed to the outside. ) 19 and a pair of projecting portions 23 projecting from the side surface 19 c of the display unit main body 19, and these projecting units 23 are arranged symmetrically with respect to the display unit main body 19. Each protrusion 23 includes a substantially plate-like horizontal wall (engaging portion) 25 extending substantially parallel to the display surface 13a from the side surface 19c of the display unit main body 19, and the circuit board 17 side from the tip of the horizontal wall 25. And a vertical wall portion 27 extending toward the top.
水平壁部25は、表示部本体19の厚さ寸法よりも薄く形成されており、その上面25aが、表示面13aを含む表示部本体19の頂面(主面)19aから厚さ方向下方に下がった位置に配されている。
また、上面25aと反対側に位置する水平壁部25の裏面25bは、回路基板17の表面17aに接触する表示部本体19の裏面19bから厚さ方向上方に位置している。すなわち、回路基板17の表面17aに表示部本体19を重ねて配した状態においては、回路基板17の表面17aと水平壁部25の裏面25bとが、隙間を有して相互に対向するように位置することになる。
この水平壁部25の先端側には、厚さ方向に貫通する貫通孔29が形成されており、この貫通孔29は、平面視略矩形状に形成されている。
The horizontal wall portion 25 is formed to be thinner than the thickness dimension of the display portion main body 19, and the upper surface 25 a is downward in the thickness direction from the top surface (main surface) 19 a of the display portion main body 19 including the display surface 13 a. Arranged in a lowered position.
Further, the back surface 25 b of the horizontal wall portion 25 located on the side opposite to the upper surface 25 a is located above the back surface 19 b of the display unit main body 19 in contact with the front surface 17 a of the circuit board 17 in the thickness direction. That is, in a state where the display unit main body 19 is disposed so as to overlap the surface 17a of the circuit board 17, the surface 17a of the circuit board 17 and the back surface 25b of the horizontal wall part 25 are opposed to each other with a gap. Will be located.
A through hole 29 penetrating in the thickness direction is formed on the front end side of the horizontal wall portion 25, and the through hole 29 is formed in a substantially rectangular shape in plan view.
垂直壁部27は、表示部本体19の裏面25bから厚さ方向下方に突出するように形成されており、その先端には、第2の筐体3の対向面3cを構成するフロントケース31と第2の表示部13とを相互に固定するための略楔状の鉤部27aが形成されている。
以上のように構成された第2の表示部13には、第2の表示部13の近傍で発生した静電気を回路基板17の表面17aに形成されたグランド電極17bに逃がすための静電気除去部材33が取り付けられている。
The vertical wall portion 27 is formed so as to protrude downward in the thickness direction from the back surface 25 b of the display unit main body 19, and a front case 31 constituting the facing surface 3 c of the second housing 3 is formed at the tip thereof. A substantially wedge-shaped collar portion 27a for fixing the second display portion 13 to each other is formed.
In the second display unit 13 configured as described above, the static electricity removing member 33 for releasing static electricity generated in the vicinity of the second display unit 13 to the ground electrode 17 b formed on the surface 17 a of the circuit board 17. Is attached.
この静電気除去部材33は、図4,5にその要部を示すように、金属や導電性プラスチック等の導電性材料からなり、第2の表示部13の表示面13aの周縁を覆う平面視略矩形状の枠体部35と、表示部本体19の側面19cの一部を覆う側壁部37と、回路基板17のグランド電極17bに電気的に接続する接続端子部39とを備えている。これら枠体部35、側壁部37及び接続端子部39は一体的に形成されており、金属板で形成されている場合には、折り曲げ加工により形成してある。   As shown in FIGS. 4 and 5, the static electricity removing member 33 is made of a conductive material such as a metal or a conductive plastic, and has a plan view that covers the periphery of the display surface 13 a of the second display unit 13. A rectangular frame body part 35, a side wall part 37 covering a part of the side surface 19 c of the display part main body 19, and a connection terminal part 39 electrically connected to the ground electrode 17 b of the circuit board 17 are provided. The frame body portion 35, the side wall portion 37, and the connection terminal portion 39 are integrally formed, and when formed of a metal plate, they are formed by bending.
接続端子部39は、第2の表示部13を挟み込む位置に一対設けられており、それぞれ第2の表示部13に静電気除去部材33を固定するための係止部41と、係止部41の先端側に設けられた弾性変形可能なバネ部43とを備えている。
各係止部41は、枠体部35を表示部本体19の頂面19aの周縁に配した状態において、各突出部23の水平壁部25に係合するように構成されている。すなわち、この係止部41は、断面視略コ字状に形成されており、貫通孔29を通じて水平壁部25の上面25a及び裏面25bに当接し、水平壁部25を挟み込むように構成されている。このように構成された係止部41は、後述するバネ部43と接続端子部39の根元部との間に設けられている。
A pair of connection terminal portions 39 are provided at positions where the second display portion 13 is sandwiched, and a locking portion 41 for fixing the static electricity removing member 33 to the second display portion 13 and a locking portion 41. And an elastically deformable spring portion 43 provided on the distal end side.
Each locking portion 41 is configured to engage with the horizontal wall portion 25 of each protruding portion 23 in a state where the frame body portion 35 is disposed on the peripheral edge of the top surface 19 a of the display portion main body 19. That is, the locking portion 41 is formed in a substantially U shape in a sectional view, and is configured to contact the upper surface 25 a and the back surface 25 b of the horizontal wall portion 25 through the through hole 29 and sandwich the horizontal wall portion 25. Yes. The locking portion 41 configured as described above is provided between a spring portion 43 described later and the root portion of the connection terminal portion 39.
バネ部43は、係止部41のうち水平壁部25の裏面25bに当接する部分に一体的に形成されており、水平壁部25の裏面25bに対して傾斜して配されている。このバネ部43は、水平壁部25の裏面25bと回路基板17の表面17aとの隙間に配されている。そして、バネ部43は、水平壁部25の裏面25bと回路基板17の表面17aとが相互に離間する方向に付勢しており、第2の表示部13と回路基板17との間に隙間が存在する状態においても、この付勢状態を保持するように構成されている。
なお、上述のように、バネ部43が付勢している状態においては、バネ部43の先端部は、回路基板17の表面17aに形成されたグランド電極17bに当接している。すなわち、この状態においては、接続端子部39が回路基板17のグランド電極17bと弾性接触することになり、静電気除去部材33とグランド電極17bとが電気的に接続されることになる。
以上のように構成された第2の表示部13及び静電気除去部材33により、回路基板17のグランド電極17bに静電気を逃がす静電気対策ユニット50が構成されている。
The spring portion 43 is formed integrally with a portion of the locking portion 41 that contacts the back surface 25 b of the horizontal wall portion 25, and is inclined with respect to the back surface 25 b of the horizontal wall portion 25. The spring portion 43 is disposed in a gap between the back surface 25 b of the horizontal wall portion 25 and the front surface 17 a of the circuit board 17. The spring portion 43 biases the back surface 25b of the horizontal wall portion 25 and the front surface 17a of the circuit board 17 away from each other, and a gap is formed between the second display portion 13 and the circuit board 17. Even in a state where there is, the biasing state is maintained.
As described above, when the spring portion 43 is biased, the tip of the spring portion 43 is in contact with the ground electrode 17 b formed on the surface 17 a of the circuit board 17. That is, in this state, the connection terminal portion 39 comes into elastic contact with the ground electrode 17b of the circuit board 17, and the static eliminating member 33 and the ground electrode 17b are electrically connected.
The second display unit 13 and the static electricity removing member 33 configured as described above constitute a static electricity countermeasure unit 50 that releases static electricity to the ground electrode 17b of the circuit board 17.
図4に示すように、第2の筐体3の内部に配される第1の表示部11、回路基板17及び第2の表示部13は、フロントケース31の内面31aから厚さ方向に順番に重ねて配されており、第1の表示部11の表示面11aがフロントケース31に形成された開口部31bから外方に露出するようになっている。なお、フロントケース31の内面31aは、対向面3cの反対側に位置する面を指し示している。
このフロントケース31には、内面31aから突出する突出壁部45が形成されている。この突出壁部45は、第1の表示部11及び回路基板17の側部を囲むように配されており、これら第1の表示部11及び回路基板17を収容する役割を果たしている。また、突出壁部45の基端部には、第2の表示部13に形成された突出部23の鉤部27aを係合させる孔45aが形成されている。
この鉤部27aが孔45aに係合した状態においては、第2の表示部13が回路基板17の表面17aに接触して、フロントケース31に固定されることになる。
As shown in FIG. 4, the first display unit 11, the circuit board 17, and the second display unit 13 arranged inside the second housing 3 are sequentially from the inner surface 31 a of the front case 31 in the thickness direction. The display surface 11a of the first display unit 11 is exposed outward from an opening 31b formed in the front case 31. In addition, the inner surface 31a of the front case 31 points out the surface located in the other side of the opposing surface 3c.
The front case 31 is formed with a protruding wall portion 45 protruding from the inner surface 31a. The protruding wall portion 45 is disposed so as to surround the first display portion 11 and the side portions of the circuit board 17, and plays a role of accommodating the first display portion 11 and the circuit board 17. In addition, a hole 45 a that engages the flange portion 27 a of the protruding portion 23 formed in the second display portion 13 is formed at the proximal end portion of the protruding wall portion 45.
In a state where the flange portion 27a is engaged with the hole 45a, the second display portion 13 comes into contact with the surface 17a of the circuit board 17 and is fixed to the front case 31.
以上のように構成された携帯電話機1の製造において、第2の筐体3の内部に2つの表示部11,13及び回路基板17を組み込む場合には、はじめに、第2の表示部13の突出部23に静電気除去部材33の係止部41を係合させて第2の表示部13に静電気除去部材33を被せて取り付ける。この取り付けの際には、静電気除去部材33の枠体部35や側壁部37が第2の表示部13の周囲に配されることになる。また、この際には、表示部本体19を挟んだ対称な位置に配された各突出部23の水平壁部25に係止部41がそれぞれ係合するため、一対の係止部41により第2の表示部13を狭持することになる。
次いで、2つの表示部11,13及び回路基板17を第2の筐体3の内部に組み込む。この組み込みの際には、フロントケース31の内面31aから第1の表示部11、回路基板17及び第2の表示部13を順番に重ねて配する。この際には、突出壁部45によってフロントケース31に対する第1の表示部11及び回路基板17の配置が決定される。
In manufacturing the cellular phone 1 configured as described above, when the two display units 11 and 13 and the circuit board 17 are incorporated in the second housing 3, first, the protrusion of the second display unit 13 is performed. The locking part 41 of the static electricity removing member 33 is engaged with the part 23 and the second static electricity removing member 33 is attached to the second display part 13. At the time of attachment, the frame body part 35 and the side wall part 37 of the static electricity removing member 33 are arranged around the second display part 13. At this time, the locking portions 41 are engaged with the horizontal wall portions 25 of the protrusions 23 arranged at symmetrical positions with the display unit main body 19 interposed therebetween. 2 display parts 13 are pinched.
Next, the two display units 11 and 13 and the circuit board 17 are assembled in the second housing 3. At the time of this incorporation, the first display unit 11, the circuit board 17, and the second display unit 13 are sequentially stacked from the inner surface 31a of the front case 31. At this time, the arrangement of the first display portion 11 and the circuit board 17 with respect to the front case 31 is determined by the protruding wall portion 45.
その後、第2の表示部13を回路基板17の表面17aに配する。この際には、突出壁部45の孔45aに突出部23の鉤部27aを係合させて、第2の表示部13とフロントケース31とを固定させる。
この状態においては、接続端子部39のバネ部43が水平壁部25に押圧されてバネ部43の先端がグランド電極17bに接触して、静電気除去部材33とグランド電極17bとが相互に電気接続されると共に、第2の表示部13と回路基板17とがバネ部43の付勢力によって相互に離間する方向に付勢されることになる。また、この状態においては、第1の表示部11及び回路基板17が、第2の表示部13及びフロントケース31により挟まれるため、フロントケース31から抜け出ることを防止できる。
Thereafter, the second display unit 13 is disposed on the surface 17 a of the circuit board 17. At this time, the second display portion 13 and the front case 31 are fixed by engaging the flange portion 27 a of the protruding portion 23 with the hole 45 a of the protruding wall portion 45.
In this state, the spring portion 43 of the connection terminal portion 39 is pressed against the horizontal wall portion 25, the tip of the spring portion 43 comes into contact with the ground electrode 17b, and the static electricity removing member 33 and the ground electrode 17b are electrically connected to each other. At the same time, the second display portion 13 and the circuit board 17 are biased in a direction away from each other by the biasing force of the spring portion 43. In this state, since the first display unit 11 and the circuit board 17 are sandwiched between the second display unit 13 and the front case 31, it is possible to prevent the first display unit 11 and the circuit board 17 from coming out of the front case 31.
最後に、フロントケース31と共に第2の筐体3を構成するリアケース(図示せず)を第2の表示部13の表示面13a側に配することにより、2つの表示部11,13及び回路基板17を第2の筐体3の内部に組み込む作業が終了する。なお、リアケースは、第2の筐体3の外面3d側を構成するものであり、第2の表示部13の表示面13aを外方に露出させる開口部を有している。   Finally, a rear case (not shown) that constitutes the second housing 3 together with the front case 31 is arranged on the display surface 13a side of the second display unit 13, whereby the two display units 11 and 13 and the circuit are arranged. The operation of incorporating the substrate 17 into the second housing 3 is completed. The rear case constitutes the outer surface 3d side of the second housing 3, and has an opening that exposes the display surface 13a of the second display unit 13 to the outside.
上記のように、この静電気除去部材33によれば、従来のように、金属箔を接着により第2の表示部13等の電気部品に貼り付けるのではなく、静電気除去部材33を第2の表示部13に被せ、突出部23に静電気除去部材33の係止部41を係合させるだけで、静電気除去部材33の枠体部35や側壁部37を第2の表示部13の周囲に容易に配することができるため、携帯電話機1の組立作業効率を向上させることができる。
また、係止部41や突出部23を利用して静電気除去部材33を第2の表示部13に取り付ける構成のため、第2の表示部13に対する静電気除去部材33の脱着を容易に行うことができ、第2の表示部13のメンテナンスも容易に行うことができる。
As described above, according to this static electricity removing member 33, instead of attaching a metal foil to an electrical component such as the second display unit 13 by bonding as in the prior art, the static electricity removing member 33 is used for the second display. The frame body portion 35 and the side wall portion 37 of the static electricity removing member 33 can be easily placed around the second display portion 13 simply by covering the portion 13 and engaging the locking portion 41 of the static electricity removing member 33 with the protruding portion 23. Therefore, the assembly work efficiency of the mobile phone 1 can be improved.
Further, since the static electricity removing member 33 is attached to the second display portion 13 using the locking portion 41 and the protruding portion 23, the static electricity removing member 33 can be easily attached to and detached from the second display portion 13. In addition, maintenance of the second display unit 13 can be easily performed.
さらに、一対の係止部41により第2の表示部13を狭持しているため、第2の表示部13と静電気除去部材33とを確実に固定した状態に保持できる。
また、静電気除去部材33を第2の表示部13に固定する係止部41が、静電気をグランド電極17bに逃がすための接続端子部39の構成に含まれるため、静電気除去部材33の形状を簡略化して、静電気除去部材33の製造コストの削減を図ることができる。
Further, since the second display unit 13 is held by the pair of locking units 41, the second display unit 13 and the static electricity removing member 33 can be securely held.
Further, since the locking portion 41 for fixing the static electricity removing member 33 to the second display portion 13 is included in the configuration of the connection terminal portion 39 for releasing static electricity to the ground electrode 17b, the shape of the static electricity removing member 33 is simplified. Thus, the manufacturing cost of the static eliminating member 33 can be reduced.
また、第2の表示部13を回路基板17の表面17aに配した状態においては、第2の表示部13の水平壁部25の押圧力によってバネ部43を弾性変形させ、バネ部43の付勢力により静電気除去部材33とグランド電極17bとの電気接続を保持できるため、第2の表示部13の近傍で発生した静電気を枠体部35からグランド電極17bに確実に逃がすことができる。したがって、第2の表示部13の静電気対策の信頼性向上を図ることができる。
特に、第2の表示部13の鉤部27aとフロントケース31の孔45aとの係合状態に遊びがある場合、すなわち、鉤部27aが孔45aに係合した状態において振動等により第2の表示部13が回路基板17の表面17aから浮き上がる場合があったとしても、バネ部43の付勢力によって、静電気除去部材33と回路基板17のグランド電極17bとの電気接続を保持できる。
Further, in the state where the second display unit 13 is arranged on the surface 17 a of the circuit board 17, the spring unit 43 is elastically deformed by the pressing force of the horizontal wall unit 25 of the second display unit 13, and the spring unit 43 is attached. Since the electrical connection between the static electricity removing member 33 and the ground electrode 17b can be maintained by the force, the static electricity generated in the vicinity of the second display portion 13 can be surely released from the frame body portion 35 to the ground electrode 17b. Therefore, it is possible to improve the reliability of the second display unit 13 against static electricity.
In particular, when there is play in the engagement state between the flange portion 27a of the second display portion 13 and the hole 45a of the front case 31, that is, in the state where the flange portion 27a is engaged with the hole 45a, the second is caused by vibration or the like. Even if the display unit 13 may float from the surface 17 a of the circuit board 17, the electrical connection between the static electricity removing member 33 and the ground electrode 17 b of the circuit board 17 can be maintained by the biasing force of the spring unit 43.
また、この静電気対策ユニット50によれば、バネ部43は、表示部本体19の裏面19bから厚さ方向上方に位置する水平壁部25の裏面25bと、回路基板17の表面17aとの隙間に配されているため、第2の表示部13の裏面19bを回路基板17の表面17aに接触させることができる。したがって、第2の表示部13と回路基板17とを重ね合わせた厚さ寸法を小さくして、携帯電話機1の薄型化を図ることができる。
さらに、第2の表示部13のうちバネ部43を配する面が、表示部本体19の側面19cから突出する突出部23に形成されているため、表示部本体19の形状を簡素化して、表示部本体19を容易に製造することが可能となる。
Further, according to the static electricity countermeasure unit 50, the spring portion 43 is located in the gap between the back surface 25 b of the horizontal wall portion 25 located above the back surface 19 b of the display unit main body 19 in the thickness direction and the surface 17 a of the circuit board 17. Therefore, the back surface 19 b of the second display unit 13 can be brought into contact with the front surface 17 a of the circuit board 17. Therefore, the thickness of the cellular phone 1 can be reduced by reducing the thickness of the second display portion 13 and the circuit board 17 that are overlapped.
Furthermore, since the surface on which the spring portion 43 is arranged in the second display portion 13 is formed on the protruding portion 23 protruding from the side surface 19c of the display portion main body 19, the shape of the display portion main body 19 is simplified, The display unit body 19 can be easily manufactured.
また、第2の表示部13における静電気除去部材33の係止部41との係合、及び、バネ部43の配置は、いずれも同一の突出部23を利用して行われている、すなわち、係止部41は突出部23の水平壁部25に係合し、バネ部43は水平壁部25の裏面25bに配されている。このため、第2の表示部13の形状を簡略化して、第2の表示部13の製造コストの削減を図ることができる。
さらに、第2の筐体3内部に2つの表示部11,13及び回路基板17を組み込む際には、フロントケース31の内面31aに第1の表示部11、回路基板17、第2の表示部13及びリアケースを順番に重ねるため、第2の表示部13を回路基板17の表面17aに配した状態においては、静電気除去部材33や回路基板17の表面17aが外方に露出することになる。したがって、リアケースを取り付ける前に、静電気除去部材33とグランド電極17bとの電気接続を容易に確認することができる。
Further, the engagement of the static electricity removing member 33 with the engaging portion 41 and the arrangement of the spring portion 43 in the second display portion 13 are both performed using the same protruding portion 23. The locking portion 41 engages with the horizontal wall portion 25 of the protruding portion 23, and the spring portion 43 is disposed on the back surface 25 b of the horizontal wall portion 25. For this reason, the shape of the 2nd display part 13 can be simplified and reduction of the manufacturing cost of the 2nd display part 13 can be aimed at.
Further, when the two display units 11 and 13 and the circuit board 17 are incorporated in the second housing 3, the first display unit 11, the circuit board 17, and the second display unit are formed on the inner surface 31 a of the front case 31. 13 and the rear case in order, in the state where the second display unit 13 is arranged on the surface 17a of the circuit board 17, the static eliminating member 33 and the surface 17a of the circuit board 17 are exposed to the outside. . Therefore, the electrical connection between the static electricity removing member 33 and the ground electrode 17b can be easily confirmed before the rear case is attached.
なお、上記実施形態において、静電気除去部材33を第2の表示部13に固定するための係止部41は、回路基板17のグランド電極に電気接続する接続端子部39の構成に含まれるとしたが、これに限ることはなく、接続端子部39から独立して構成されるとしても構わない。すなわち、係止部は、例えば、静電気除去部材33の側壁部37に形成するとしても構わない。ただし、この構成の場合には、表示部本体19にこの係止部に係合する係合部を別途形成しておく必要がある。なお、この場合の係合部は、例えば、表示本体19の側面から突出した突起部であってもよいし、同側面から窪んだ凹部であってもよい。   In the above embodiment, the locking portion 41 for fixing the static electricity removing member 33 to the second display portion 13 is included in the configuration of the connection terminal portion 39 that is electrically connected to the ground electrode of the circuit board 17. However, the present invention is not limited to this, and may be configured independently from the connection terminal portion 39. That is, the locking portion may be formed on the side wall portion 37 of the static electricity removing member 33, for example. However, in the case of this configuration, it is necessary to separately form an engaging portion that engages with the locking portion in the display portion main body 19. Note that the engaging portion in this case may be, for example, a protruding portion protruding from the side surface of the display main body 19 or a concave portion recessed from the same side surface.
また、上記実施形態の静電気除去部材33は、第2の表示部13に取り付けられるものとしたが、これに限ることはなく、少なくとも筐体の外方から露出する電気部品に取り付けるものであればよい。すなわち、この電気部品としては、例えば、第1の表示部11、マイクロフォン部9、スピーカ部15、また、カメラユニットであってもよい。ここで、電気部品がマイクロフォン部9である場合の主面とは集音口を含む面のことをいい、スピーカ部15である場合の主面とは放音口を含む面のことをいう。また、電気部品がカメラユニットである場合の主面とは撮像窓を含む面のことをいう。
さらに、互いに重ね合わせ可能な2つの筐体2,3を備えた携帯電話機1に適用されるとしたが、携帯電話機1に限ることはなく、PDA、デジタルカメラのように、筐体の外方に露出する電気部品を備えた携帯電子機器であればよい。
Moreover, although the static electricity removal member 33 of the said embodiment shall be attached to the 2nd display part 13, it is not restricted to this, If it attaches to the electrical component exposed from the outer side of a housing | casing at least Good. That is, as the electrical component, for example, the first display unit 11, the microphone unit 9, the speaker unit 15, and the camera unit may be used. Here, the main surface in the case where the electrical component is the microphone unit 9 refers to a surface including the sound collection port, and the main surface in the case of the speaker unit 15 refers to the surface including the sound emission port. The main surface when the electrical component is a camera unit refers to a surface including an imaging window.
Further, the present invention is applied to the mobile phone 1 having two casings 2 and 3 that can be overlapped with each other. However, the present invention is not limited to the mobile phone 1 and the outside of the casing, such as a PDA or a digital camera. What is necessary is just a portable electronic device provided with the electrical component exposed to.
以上、本発明の実施形態について図面を参照して詳述したが、具体的な構成はこの実施形態に限られるものではなく、本発明の要旨を逸脱しない範囲の設計変更等も含まれる。   As mentioned above, although embodiment of this invention was explained in full detail with reference to drawings, the concrete structure is not restricted to this embodiment, The design change etc. of the range which does not deviate from the summary of this invention are included.
この発明の一実施形態に係る携帯電話機を構成する2つの筐体を相互に開いた状態を示す対向面側の平面図である。It is a top view by the side of an opposing surface which shows the state which opened two housing | casings which comprise the mobile telephone which concerns on one Embodiment of this invention mutually. 図1の携帯電話機において、2つの筐体を相互に開いた状態を示す外面側の平面図である。FIG. 2 is a plan view on the outer surface side showing a state where two casings are opened from each other in the mobile phone of FIG. 1. 図1の携帯電話機において、第2の表示部及びシールド部材を示す拡大斜視図である。FIG. 3 is an enlarged perspective view showing a second display unit and a shield member in the mobile phone of FIG. 1. 図1の携帯電話機において、第2の筐体に固定された第2の表示部を示す部分拡大断面図である。FIG. 3 is a partial enlarged cross-sectional view showing a second display unit fixed to a second housing in the mobile phone of FIG. 1. 図1の携帯電話機において、シールド部材の接続端子部を示す部分拡大斜視図である。FIG. 2 is a partially enlarged perspective view showing a connection terminal portion of a shield member in the mobile phone of FIG. 1.
符号の説明Explanation of symbols
1 携帯電話機(携帯端末装置)
3 第2の筐体
13 第2の表示部(電気部品)
17 回路基板
17b グランド電極
19 表示部本体(本体部)
19a 頂面(主面)
19c 側面
23 突出部
25 水平壁部(係合部)
27 垂直壁部
33 静電気除去部材
35 枠体部
39 接続端子部
41 係止部
43 バネ部
1 Mobile phone (mobile terminal device)
3 2nd housing | casing 13 2nd display part (electrical component)
17 Circuit board 17b Ground electrode 19 Display body (main body)
19a Top surface (main surface)
19c Side 23 Protrusion 25 Horizontal wall (engagement part)
27 Vertical wall portion 33 Static electricity removing member 35 Frame portion 39 Connection terminal portion 41 Locking portion 43 Spring portion

Claims (6)

  1. 導電性材料により形成された電気部品の静電気除去部材であって、
    前記電気部品の少なくとも主面の周縁を覆う枠体部と、該枠体部と一体的に形成され、下方に延びる接続端子部とを有し、該接続端子部には、前記電気部品に係合する係止部と、弾性変形可能なバネ部とを備えることを特徴とする静電気除去部材。
    A static eliminating member for electrical parts formed of a conductive material,
    A frame body portion covering at least a peripheral edge of the main surface of the electrical component; and a connection terminal portion integrally formed with the frame body portion and extending downward. The connection terminal portion is associated with the electrical component. A static electricity removing member comprising: a mating engaging portion; and an elastically deformable spring portion.
  2. 前記接続端子部が前記電気部品を挟んで一対設けられ、前記接続端子部の先端側に前記バネ部が設けられ、該バネ部と前記接続端子部の根元部との間に前記係止部が設けられていることを特徴とする請求項1に記載の静電気除去部材。   A pair of the connection terminal portions are provided across the electrical component, the spring portion is provided on the distal end side of the connection terminal portion, and the locking portion is provided between the spring portion and a root portion of the connection terminal portion. The static eliminating member according to claim 1, wherein the static eliminating member is provided.
  3. 請求項1又は請求項2に記載の静電気除去部材と、主面に隣接する側面に前記静電除去部材の係止部と係合する係合部を有する電気部品と、グランド電極を有する回路基板とを有し、前記静電気除去部材の枠体部を前記電気部品の主面周縁に配置し、かつ前記静電気除去部材の係止部を前記電気部品の係合部と係合させると共に、前記静電気除去部材の接続端子部を前記回路基板のグランド電極と弾性接触させてあることを特徴とする静電気対策ユニット。   3. A circuit board having the static electricity removing member according to claim 1 or 2, an electrical component having an engaging portion that engages with a locking portion of the electrostatic removing member on a side surface adjacent to the main surface, and a ground electrode. And a frame body portion of the static electricity removing member is disposed on a peripheral edge of a main surface of the electrical component, and a locking portion of the static electricity removing member is engaged with an engaging portion of the electrical component, and the static electricity A static electricity countermeasure unit, wherein the connection terminal portion of the removal member is in elastic contact with the ground electrode of the circuit board.
  4. 前記接続端子部のバネ部を前記電気部品の係合部による押圧力により弾性変形させて前記接続端子部を前記回路基板のグランド電極と弾性接触させてあることを特徴とする請求項3に記載の静電気対策ユニット。   The spring part of the said connection terminal part is elastically deformed by the pressing force by the engaging part of the said electrical component, and the said connection terminal part is made to elastically contact with the ground electrode of the said circuit board, The Claim 3 characterized by the above-mentioned. Anti-static unit.
  5. 請求項3又は請求項4に記載の静電気対策ユニットを筐体内に具備することを特徴とする携帯電子機器。   A portable electronic device comprising the static electricity countermeasure unit according to claim 3 or 4 in a housing.
  6. 前記電気部品の側面には、外方に突出する水平壁部と、該水平壁部より下方に延びる垂直壁部とからなる突出部が設けられ、
    該突出部を前記筐体に係合させて固定すると共に、前記水平壁部には前記係合部が設けられ、
    前記電気部品を筐体内に固定したとき、前記係合部による押圧力により前記接続端子部のバネ部を弾性変形させて接続端子部を前記回路基板のグランド電極と弾性接触させてあることを特徴とする請求項5に記載の携帯電子機器。
    On the side surface of the electrical component, there is provided a protruding portion composed of a horizontal wall portion protruding outward and a vertical wall portion extending downward from the horizontal wall portion,
    The projecting portion is engaged with and fixed to the casing, and the engaging portion is provided on the horizontal wall portion,
    When the electric component is fixed in the housing, the spring portion of the connection terminal portion is elastically deformed by the pressing force of the engagement portion, and the connection terminal portion is brought into elastic contact with the ground electrode of the circuit board. The portable electronic device according to claim 5.
JP2004191970A 2004-06-29 2004-06-29 Static elimination member, static countermeasure unit and portable electronic apparatus Pending JP2006012730A (en)

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Application Number Priority Date Filing Date Title
JP2004191970A JP2006012730A (en) 2004-06-29 2004-06-29 Static elimination member, static countermeasure unit and portable electronic apparatus

Publications (1)

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JP2006012730A true JP2006012730A (en) 2006-01-12

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009086631A (en) * 2007-09-12 2009-04-23 Epson Imaging Devices Corp Electro-optical device and electronic equipment

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009086631A (en) * 2007-09-12 2009-04-23 Epson Imaging Devices Corp Electro-optical device and electronic equipment
JP4678041B2 (en) * 2007-09-12 2011-04-27 エプソンイメージングデバイス株式会社 Electro-optical device and electronic apparatus

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