JP5048188B2 - Liquid crystal panel conductive connection structure - Google Patents

Liquid crystal panel conductive connection structure Download PDF

Info

Publication number
JP5048188B2
JP5048188B2 JP2001197063A JP2001197063A JP5048188B2 JP 5048188 B2 JP5048188 B2 JP 5048188B2 JP 2001197063 A JP2001197063 A JP 2001197063A JP 2001197063 A JP2001197063 A JP 2001197063A JP 5048188 B2 JP5048188 B2 JP 5048188B2
Authority
JP
Japan
Prior art keywords
liquid crystal
substrate
crystal panel
metal
resin case
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 - Lifetime
Application number
JP2001197063A
Other languages
Japanese (ja)
Other versions
JP2003015150A (en
Inventor
毅仙 茶谷
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Aiphone Co Ltd
Original Assignee
Aiphone 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.)
Filing date
Publication date
Application filed by Aiphone Co Ltd filed Critical Aiphone Co Ltd
Priority to JP2001197063A priority Critical patent/JP5048188B2/en
Publication of JP2003015150A publication Critical patent/JP2003015150A/en
Application granted granted Critical
Publication of JP5048188B2 publication Critical patent/JP5048188B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
    • G02F1/133334—Electromagnetic shields

Landscapes

  • Liquid Crystal (AREA)
  • Mounting Of Printed Circuit Boards And The Like (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Description

【０００１】
【発明の属する技術分野】
本発明は液晶パネル導電接続構造に係り、特に基板上の電気回路のグランド電位と、液晶パネルの金属外郭部の電位とを同電位にして画面へのノイズ妨害を防止する液晶パネル導電接続構造に関する。
【０００２】
【従来の技術】
従来から、基板上の電気回路のグランド電位と、液晶パネルの金属外郭の電位とを同電位にし画面へのノイズ妨害を防止する液晶パネル導電接続構造として、図２（ａ）、（ｂ）に示す接続構造（以下、「第１の接続構造」という。）や、図３、図４に示す接続構造（以下、「第２の接続構造」という。）が知られている。
【０００３】
第１の接続構造は金属製金具３１により電気的に接続された導電接続構造で、金属外郭部３０を有する液晶パネル３２と、この液晶パネル３２を駆動するための電子部品３８が搭載される基板３５と、この基板３５に液晶パネル３２を固定させるための金属製金具３１とを備え、基板３５には金属製金具３１をねじ止めするためのねじ穴４０が設けられ、このねじ穴４０の外周には基板３５の回路パターンに接続されたランド部３９が設けられている。
【０００４】
このような液晶パネル３２の金属外郭部３０は、金属製金具３１が密着するように、当該金属製金具３１がねじ３３によってねじ止めされ、この液晶パネル３２がねじ止めされた金属製金具３１は、基板３５のランド部３９に電気的に接続されるように、ねじ３４が基板３５のねじ穴４０に挿入され当該基板３５を金属製金具３１とで共締めをして機械的に固定されている。
【０００５】
また、第２の接続構造は金属製ケース７４により電気的に接続された導電接続構造で、金属外郭部７１を有する液晶パネル７０と、この液晶パネル７０を駆動するための電子部品８１（図４）が搭載される基板８２と、基板パターン接続用端子７９が設けられ液晶パネル７０を基板８２に固定させる金属製ケース７４とを備え、基板８２には金属製ケース７４に設けられた基板パターン接続用端子７９を挿入するための端子穴７８が設けられ、この端子穴７８には基板８２の回路パターン８０に接続され基板パターン接続用端子７９に接触させるためのランド部７７が設けられている。
【０００６】
このような液晶パネル７０は、当該液晶パネル７０の金属外郭部７１と、液晶パネル７０を覆う金属製ケース７４とが密着するように、金属製ケース７４を挟み込んで、基板８２のねじ止め部７６と液晶パネル７０のねじ止め部７２とをねじ止めする。この際、金属製ケース７４の基板パターン接続用端子７９が基板８２の端子穴７８に挿入されているので、この基板パターン接続用端子７９を基板８２上のランド部７７に半田付けして、液晶パネル７０の金属外郭７１と基板８２とを電気的に接続させる。
【０００７】
【発明が解決しようとする課題】
しかしながら、第１の接続構造では液晶パネル３２の金属外郭部３０と基板３５とを接続するために、２つの金属製金具３１が必要になると共に、この２つの金属製金具３１を合計８か所でねじ止めして取付けなければならないので、組付け工数がかかるという作業性の難点があった。また、金属製金具３１の製作コストが高くなるという難点があった。
【０００８】
また、第２の接続構造では液晶パネル７０の金属外郭部７１と基板８２とを接続するために、金属製ケース７４が必要になると共に、当該金属製ケース７４に設けられている基板パターン接続用端子７９を基板８２上のランド部７７に半田付けをしっかりとしなければならないので、組付け工数がかかるという作業性の難点があった。また、金属製ケース７４の製作コストが高くなるという難点があった。
【０００９】
本発明は、このような従来の難点を解決するためになされたもので、作業性に優れ而も部品コストを低く抑えることができる液晶パネル導電接続構造を提供することを目的とする。
【００１０】
【課題を解決するための手段】
上記目的を達成する本発明の液晶パネル導電接続構造は、液晶パネルと、液晶パネルを駆動するための電子回路を構成する電子部品が搭載された基板と、液晶パネル及び基板を収納する樹脂製ケースとを備え、基板は樹脂製ケースにねじ止めするためのねじ穴が複数設けられ、樹脂製ケースは基板のねじ穴に対応するようにねじ止め部が複数設けられている液晶ディスプレイに適用される液晶パネル導電接続構造であって、基板の少なくとも片面には、複数のねじ穴の内の１箇所の外周に当該基板の電子回路のグランドに接続されたランド部が設けられ、液晶パネルの金属外郭部に接触させるための接触部を有する弾性体で形成され、さらに樹脂製ケースにねじ止めするためのねじ穴が設けられ、基板のランド部に嵌め込むことで、ねじ穴と基板のランド部が外周に設けられたねじ穴とが一致するように位置決めされる金属製金具を有し、樹脂製ケースには金属製金具を挿通させるための穴が穿設され、液晶ディスプレイを組み立てるために、金属製金具を基板のランド部に嵌め込み、金属製金具のねじ穴と基板のランド部が外周に設けられたねじ穴とが一致するように位置決めすると共に、予め金属外郭部が樹脂製ケース側に配置された液晶パネルが収納されている樹脂製ケースの複数のねじ止め部と、複数のねじ穴とが一致するように位置決めして、液晶パネルが収納されている樹脂製ケースに基板と共に金属製金具も共締めして樹脂製ケースに固定することで、金属製金具は樹脂製ケースの穴を貫通し、金属製金具の接触部が当該金属製金具の弾性力により液晶パネルの金属外郭部に押圧されると、基板の電子回路のグランドに接続されたランド部に接触するように、基板を金属製金具で挟み込むことができるので導通状態になり、また、液晶パネルの金属外郭部と基板の電子回路のグランドを電気的に接続するので、基板の電子回路のグランド電位と液晶パネルの金属外郭部の電位を同電位にして液晶画面へのノイズ妨害を防止するものである。
【００１１】
このような液晶パネル導電接続構造によれば、基板の電子回路のグランドに接続された１箇所のランド部に接触するように基板を金属製金具で挟み込むと共に、樹脂製ケースに金属製金具と基板を共締めして樹脂製ケースに固定するだけで、金属製金具を液晶パネルの金属外郭部に接触させることができ、また、金属製金具が、基板を挟み込んだ状態で液晶パネルの金属外郭部に接触させる接触部を有する弾性材で形成されていることから、この金属製金具の弾性力により接触部を液晶パネルの金属外郭部に押圧させることができるので、金属製金具の接触部を金属外郭部に確実に接触させることができるようになる。
【００１２】
【発明の実施の形態】
以下、本発明の液晶パネル導電接続構造における好ましい実施の形態例について、図面を参照して詳述する。
【００１３】
本発明の液晶パネル導電接続構造が適用される液晶ディスプレイは、例えば図１（ａ）、（ｂ）、（ｃ）に示すように、金属外郭部７を有する液晶パネル８と、液晶パネル８を駆動するための電子回路を構成する電子部品１３が搭載された基板１と、液晶パネル８及び基板１を収納する樹脂製ケース３とを備え、さらに、基板１上の電子回路のグランド電位と液晶パネル８の金属外郭部７の電位を同電位にして液晶画面へのノイズ妨害を防止するために、液晶パネル８の金属外郭部７と基板１を接続する金属製金具１６を有している。
【００１４】
基板１は、樹脂製ケース３にねじ止めするためのねじ穴１０が、例えば４箇所に設けられ、その内の１箇所の外周には電子回路のグランドに接続されたランド部２が設けられている。このランド部２は、目的に応じて基板１の片面あるいは両面に設けられている。
【００１５】
樹脂製ケース３は、基板１をねじ止めするためのねじ止め部６が基板１のねじ穴１０に対応するように４箇所に設けられ、さらに金属製金具１６を挿通させるための穴５が穿設されている。また、樹脂製ケース３は、液晶パネル８の金属外郭部７を固定して当該液晶パネル８を収納するためのツメ（図示せず）が形成されている。
【００１６】
金属製金具１６は、液晶パネル８の金属外郭部７に接触させるための接触部１７を有する弾性材で形成され、さらに樹脂製ケース３にねじ止めするためのねじ穴１８が設けられ、このねじ穴１８と、基板１の外周にランド部２が設けられたねじ穴１０とが一致するように位置決めし、樹脂製ケース３に基板１と共に共締めして樹脂製ケース３に固定させるものである。
【００１７】
このような液晶パネル導電接続構造が適用される液晶ディスプレイを組み立てるには、樹脂製ケース３に液晶パネル８を収納するにあたり液晶パネル８の金属外郭部７を樹脂製ケース３側に配置し、ツメによって固定する。そして金属製金具１６を基板１のランド部２に嵌め込み、金属製金具１６のねじ穴１８と基板１のランド部２が外周に設けられたねじ穴１０とが一致するように位置決めすると共に、樹脂製ケース３の４つのねじ止め部６と、基板１のねじ穴１０とが一致するように位置決めして、樹脂製ケース３に基板１と共に金属製金具１６も共締めして樹脂製ケース３に固定する。この際、金属製金具１６は樹脂製ケース３の穴５を貫通し、金属製金具１６の接触部１７がこの金属製金具１６の弾性力により金属外郭部７に押圧されるので、金属製金具１６の接触部１７を金属外郭部７に確実に接触させることができるようになっている。これにより、基板１の電子回路のグランドに接続されたランド部２に接触するように、基板１を金属製金具１６で挟み込むことができるので導通状態になり、また、液晶パネル８の金属外郭部７と基板１の電子回路のグランドを電気的に接続することができるので、基板１上の電子回路のグランド電位と液晶パネル８の金属外郭部７の電位を同電位にして液晶画面へのノイズ妨害を防止することができるようになる。
【００１８】
【発明の効果】
以上の説明から明らかなように、本発明の液晶パネル導電接続構造によれば、基板の電子回路のグランドに接続されたランド部に接触するように基板を金属製金具で挟み込むと共に、樹脂製ケースに、この金属製金具と基板を共締めして樹脂製ケースに固定するだけで、金属製金具を液晶パネルの金属外郭部に接触させることができるので、作業性がよくなり而も部品コストを低く抑えることができるようになる。また、樹脂製ケースに液晶パネル及び基板を収納する構造なので、この樹脂製ケースの厚みを薄くでき、液晶ディスプレイの軽量化を図ることができる。
【図面の簡単な説明】
【図１】 本発明の液晶パネル導電接続構造における好ましい実施の形態例を示す図で、（ａ）は構成説明図、（ｂ）は組立後の要部の拡大説明図、（ｃ）は組立後の要部の斜視図。
【図２】 従来の金属製金具を用いた液晶パネル導電接続構造を示す図で、（ａ）は構成説明図、（ｂ）は組立後の要部の説明図。
【図３】 従来の金属製ケースを用いた液晶パネル導電接続構造を示す構成説明図。
【図４】 図３の液晶パネル導電接続構造の断面を示す説明図。
【符号の説明】
１・・・基板
２・・・ランド部
３・・・樹脂製ケース
６・・・ねじ止め部
７・・・液晶パネルの金属外郭部
８・・・液晶パネル
１０、１８・・・ねじ穴
１３・・・電子部品
１６・・・金属製金具
１７・・・接触部[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a liquid crystal panel conductive connection structure, and more particularly to a liquid crystal panel conductive connection structure that prevents noise interference to a screen by making the ground potential of an electric circuit on a substrate equal to the potential of a metal outer portion of the liquid crystal panel. .
[0002]
[Prior art]
Conventionally, as a liquid crystal panel conductive connection structure that prevents the noise interference to the screen by making the ground potential of the electric circuit on the substrate the same as the potential of the metal outline of the liquid crystal panel, FIG. 2 (a) and FIG. 2 (b). The connection structure shown (hereinafter referred to as “first connection structure”) and the connection structure shown in FIGS. 3 and 4 (hereinafter referred to as “second connection structure”) are known.
[0003]
The first connection structure is a conductive connection structure electrically connected by a metal fitting 31, and a substrate on which a liquid crystal panel 32 having a metal outer portion 30 and an electronic component 38 for driving the liquid crystal panel 32 is mounted. 35 and a metal fitting 31 for fixing the liquid crystal panel 32 to the substrate 35, and a screw hole 40 for screwing the metal fitting 31 is provided in the substrate 35. Are provided with land portions 39 connected to the circuit pattern of the substrate 35.
[0004]
The metal shell portion 30 of the liquid crystal panel 32 is screwed with a screw 33 so that the metal fitting 31 is in close contact with the metal fitting 31, and the metal fitting 31 to which the liquid crystal panel 32 is screwed is The screw 34 is inserted into the screw hole 40 of the substrate 35 so as to be electrically connected to the land portion 39 of the substrate 35, and the substrate 35 is fastened together with the metal fitting 31 to be mechanically fixed. Yes.
[0005]
The second connection structure is a conductive connection structure electrically connected by a metal case 74, and a liquid crystal panel 70 having a metal outer portion 71 and an electronic component 81 (FIG. 4) for driving the liquid crystal panel 70. ) And a metal case 74 provided with a substrate pattern connection terminal 79 for fixing the liquid crystal panel 70 to the substrate 82. The substrate 82 is connected to the substrate pattern provided on the metal case 74. A terminal hole 78 for inserting the terminal 79 for use is provided, and a land portion 77 for connecting to the circuit pattern 80 of the board 82 and contacting the board pattern connecting terminal 79 is provided in the terminal hole 78.
[0006]
In such a liquid crystal panel 70, the metal case 74 is sandwiched so that the metal outer portion 71 of the liquid crystal panel 70 and the metal case 74 covering the liquid crystal panel 70 are in close contact with each other, and the screwing portion 76 of the substrate 82. And the screwing portion 72 of the liquid crystal panel 70 are screwed. At this time, since the board pattern connection terminals 79 of the metal case 74 are inserted into the terminal holes 78 of the board 82, the board pattern connection terminals 79 are soldered to the land portions 77 on the board 82, and the liquid crystal The metal shell 71 of the panel 70 and the substrate 82 are electrically connected.
[0007]
[Problems to be solved by the invention]
However, in the first connection structure, two metal fittings 31 are required to connect the metal shell 30 of the liquid crystal panel 32 and the substrate 35, and the two metal fittings 31 are installed in a total of eight locations. Since it has to be fixed with screws, there is a problem in workability that it takes assembling man-hours. In addition, the manufacturing cost of the metal fitting 31 is high.
[0008]
Further, in the second connection structure, a metal case 74 is required to connect the metal outer portion 71 of the liquid crystal panel 70 and the substrate 82, and a substrate pattern connection provided in the metal case 74 is used. Since the terminals 79 have to be firmly soldered to the land portions 77 on the substrate 82, there is a problem in workability in that assembly man-hours are required. In addition, the manufacturing cost of the metal case 74 is high.
[0009]
SUMMARY OF THE INVENTION The present invention has been made to solve such a conventional problem, and an object of the present invention is to provide a liquid crystal panel conductive connection structure that is excellent in workability and can keep component costs low.
[0010]
[Means for Solving the Problems]
The liquid crystal panel conductive connection structure of the present invention that achieves the above object includes a liquid crystal panel, a substrate on which electronic components constituting an electronic circuit for driving the liquid crystal panel are mounted, and a resin case that houses the liquid crystal panel and the substrate The substrate is applied to a liquid crystal display in which a plurality of screw holes for screwing to the resin case are provided, and the resin case is provided with a plurality of screw fixing portions so as to correspond to the screw holes of the substrate. A liquid crystal panel conductive connection structure, wherein at least one surface of a substrate is provided with a land portion connected to the ground of an electronic circuit of the substrate on one outer periphery of a plurality of screw holes, It is formed of an elastic body having a contact portion for making contact with the portion, and further provided with a screw hole for screwing to the resin case, and by fitting into the land portion of the substrate, the screw hole and The plate has a metal fitting that is positioned so that the land portion of the plate is aligned with the screw hole provided on the outer periphery, and the resin case is provided with a hole for inserting the metal fitting, For assembly, the metal fitting is fitted into the land portion of the board, positioned so that the screw hole of the metal fitting matches the screw hole provided on the outer periphery, and the metal outer portion is made of resin in advance. Position the resin case in which the liquid crystal panel is housed in the resin case where the liquid crystal panel is housed by positioning so that the multiple screw holes on the resin case that contains the liquid crystal panel are aligned with the screw holes. By tightening the metal fitting together with the substrate and fixing it to the resin case, the metal fitting penetrates the hole of the resin case, and the contact part of the metal fitting makes the liquid crystal panel's contact by the elastic force of the metal fitting. metal When pressed Guo portion, to contact the land portion which is connected to the ground of the electronic circuit of the substrate, becomes conductive because the substrate can be sandwiched by metal fittings, also, the metal outer portion of the liquid crystal panel And the ground of the electronic circuit of the substrate are electrically connected, so that the ground potential of the electronic circuit of the substrate and the potential of the metal outer portion of the liquid crystal panel are made the same potential to prevent noise interference on the liquid crystal screen .
[0011]
According to such a liquid crystal panel conductive connection structure, the substrate is sandwiched between the metal fittings so as to contact one land portion connected to the ground of the electronic circuit of the substrate, and the metal fitting and the substrate are placed in the resin case. The metal bracket can be brought into contact with the metal shell of the LCD panel simply by tightening together and fixing it to the resin case, and the metal shell of the LCD panel with the metal clamp sandwiched between the substrates Since the contact portion can be pressed against the metal outer portion of the liquid crystal panel by the elastic force of the metal fitting, the contact portion of the metal fitting is made of metal. It becomes possible to reliably contact the outer shell.
[0012]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, preferred embodiments of the liquid crystal panel conductive connection structure of the present invention will be described in detail with reference to the drawings.
[0013]
A liquid crystal display to which the liquid crystal panel conductive connection structure of the present invention is applied includes, for example, a liquid crystal panel 8 having a metal outer portion 7 and a liquid crystal panel 8 as shown in FIGS. 1 (a), 1 (b), and (c). A substrate 1 on which an electronic component 13 constituting an electronic circuit for driving is mounted, a liquid crystal panel 8 and a resin case 3 for housing the substrate 1, and a ground potential of the electronic circuit on the substrate 1 and liquid crystal In order to make the potential of the metal outer portion 7 of the panel 8 the same potential and prevent noise interference to the liquid crystal screen, the metal outer portion 7 of the liquid crystal panel 8 and the metal fitting 16 that connects the substrate 1 are provided.
[0014]
The board 1 is provided with, for example, four screw holes 10 for screwing to the resin case 3, and a land portion 2 connected to the ground of the electronic circuit is provided at one of the outer circumferences. Yes. The land portion 2 is provided on one side or both sides of the substrate 1 depending on the purpose.
[0015]
The resin case 3 is provided with four screwing portions 6 for screwing the substrate 1 so as to correspond to the screw holes 10 of the substrate 1, and further has a hole 5 for inserting the metal fitting 16. It is installed. The resin case 3 is formed with a claw (not shown) for fixing the metal outer portion 7 of the liquid crystal panel 8 and storing the liquid crystal panel 8.
[0016]
The metal fitting 16 is formed of an elastic material having a contact portion 17 for making contact with the metal outer portion 7 of the liquid crystal panel 8, and further provided with a screw hole 18 for screwing to the resin case 3. The hole 18 and the screw hole 10 provided with the land portion 2 on the outer periphery of the substrate 1 are positioned so as to coincide with each other, and are fastened together with the substrate 1 to the resin case 3 and fixed to the resin case 3. .
[0017]
To assemble a liquid crystal display to which such a liquid crystal panel conductive connection structure is applied, when housing the liquid crystal panel 8 in the resin case 3, the metal outer portion 7 of the liquid crystal panel 8 is disposed on the resin case 3 side, Fixed by. Then, the metal fitting 16 is fitted into the land portion 2 of the substrate 1 and positioned so that the screw hole 18 of the metal fitting 16 and the screw hole 10 provided on the outer periphery of the land portion 2 of the substrate 1 coincide with each other. The four screwing portions 6 of the case 3 are positioned so that the screw holes 10 of the substrate 1 coincide with each other, and the metal fitting 16 is tightened together with the substrate 1 together with the substrate 1 to form the resin case 3. Fix it. At this time, the metal fitting 16 penetrates the hole 5 of the resin case 3 and the contact portion 17 of the metal fitting 16 is pressed against the metal outer portion 7 by the elastic force of the metal fitting 16. The 16 contact portions 17 can be reliably brought into contact with the metal outer portion 7. Thereby, since the board | substrate 1 can be pinched | interposed with the metal metal fittings 16 so that it may contact the land part 2 connected to the ground of the electronic circuit of the board | substrate 1, it will be in a conduction | electrical_connection state, and also the metal outer part of the liquid crystal panel 8 7 and the ground of the electronic circuit of the substrate 1 can be electrically connected, so that the ground potential of the electronic circuit on the substrate 1 and the potential of the metal outer portion 7 of the liquid crystal panel 8 are set to the same potential and noise to the liquid crystal screen Interference can be prevented.
[0018]
【Effect of the invention】
As is apparent from the above description, according to the liquid crystal panel conductive connection structure of the present invention, the substrate is sandwiched between the metal fittings so as to contact the land portion connected to the ground of the electronic circuit of the substrate, and the resin case In addition, by simply tightening the metal fitting and the substrate together and fixing it to the resin case, the metal fitting can be brought into contact with the outer metal part of the liquid crystal panel, improving workability and reducing component costs. It can be kept low. In addition, since the liquid crystal panel and the substrate are housed in the resin case, the thickness of the resin case can be reduced, and the weight of the liquid crystal display can be reduced.
[Brief description of the drawings]
1A and 1B are diagrams showing a preferred embodiment of a liquid crystal panel conductive connection structure according to the present invention, in which FIG. 1A is a configuration explanatory view, FIG. 1B is an enlarged explanatory view of a main part after assembly, and FIG. The perspective view of the principal part after.
FIGS. 2A and 2B are diagrams showing a liquid crystal panel conductive connection structure using a conventional metal fitting, wherein FIG. 2A is a configuration explanatory view, and FIG. 2B is an explanatory view of a main part after assembly;
FIG. 3 is a structural explanatory view showing a liquid crystal panel conductive connection structure using a conventional metal case.
4 is an explanatory view showing a cross section of the liquid crystal panel conductive connection structure of FIG. 3; FIG.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 ... Board | substrate 2 ... Land part 3 ... Resin case 6 ... Screwing part 7 ... Metal outer part of a liquid crystal panel 8 ... Liquid crystal panel 10, 18 ... Screw hole 13 ... Electronic components 16 ... Metal fittings 17 ... Contact parts

Claims (1)

液晶パネル（８）と、前記液晶パネルを駆動するための電子回路を構成する電子部品（１３）が搭載された基板（１）と、前記液晶パネル及び前記基板を収納する樹脂製ケース（３）とを備え、前記基板は前記樹脂製ケースにねじ止めするためのねじ穴（１０）が複数設けられ、前記樹脂製ケースは前記基板の前記ねじ穴に対応するようにねじ止め部（６）が複数設けられている液晶ディスプレイに適用される液晶パネル導電接続構造であって、
前記基板の少なくとも片面には、前記複数のねじ穴の内の１箇所の外周に当該基板の電子回路のグランドに接続されたランド部（２）が設けられ、
前記液晶パネルの金属外郭部（７）に接触させるための接触部を有する弾性体で形成され、さらに前記樹脂製ケースにねじ止めするためのねじ穴（１８）が設けられ、前記基板の前記ランド部に嵌め込むことで、前記ねじ穴と前記基板の前記ランド部が外周に設けられた前記ねじ穴とが一致するように位置決めされる金属製金具（１６）を有し、
前記樹脂製ケースには前記金属製金具を挿通させるための穴（５）が穿設され、
前記液晶ディスプレイを組み立てるために、前記金属製金具を前記基板の前記ランド部に嵌め込み、前記金属製金具の前記ねじ穴と前記基板の前記ランド部が外周に設けられた前記ねじ穴とが一致するように位置決めすると共に、予め前記金属外郭部が前記樹脂製ケース側に配置された前記液晶パネルが収納されている前記樹脂製ケースの前記複数のねじ止め部と、前記複数のねじ穴とが一致するように位置決めして、前記液晶パネルが収納されている前記樹脂製ケースに前記基板と共に前記金属製金具も共締めして前記樹脂製ケースに固定することで、前記金属製金具は前記樹脂製ケースの前記穴を貫通し、前記金属製金具の前記接触部が当該金属製金具の弾性力により前記液晶パネルの前記金属外郭部に押圧されると、前記基板の前記電子回路のグランドに接続された前記ランド部に接触するように、前記基板を前記金属製金具で挟み込むことができるので導通状態になり、また、前記液晶パネルの前記金属外郭部と前記基板の前記電子回路の前記グランドを電気的に接続するので、前記基板の前記電子回路のグランド電位と前記液晶パネルの前記金属外郭部の電位を同電位にして液晶画面へのノイズ妨害を防止することを特徴とする液晶パネル導電接続構造。A liquid crystal panel (8), a substrate (1) on which an electronic component (13) constituting an electronic circuit for driving the liquid crystal panel is mounted, and a resin case (3) for housing the liquid crystal panel and the substrate The board is provided with a plurality of screw holes (10) for screwing to the resin case, and the resin case has screwing portions (6) so as to correspond to the screw holes of the board. A liquid crystal panel conductive connection structure applied to a plurality of liquid crystal displays,
At least one surface of the substrate is provided with a land portion (2) connected to the ground of the electronic circuit of the substrate on one outer periphery of the plurality of screw holes,
It is formed of an elastic body having a contact portion for making contact with the metal outer portion (7) of the liquid crystal panel, and further provided with a screw hole (18) for screwing to the resin case, and the land of the substrate A metal fitting (16) which is positioned so that the screw hole and the screw hole provided on the outer periphery of the land portion of the board are aligned with each other by being fitted into the portion,
The resin case is provided with a hole (5) for inserting the metal fitting,
In order to assemble the liquid crystal display, the metal fitting is fitted into the land portion of the substrate, and the screw hole of the metal fitting matches the screw hole provided on the outer periphery of the land portion of the substrate. The plurality of screwing portions of the resin case in which the liquid crystal panel in which the metal outer portion is arranged in advance on the resin case side is housed are aligned with the plurality of screw holes. The metal fitting is fixed to the resin case by fastening the metal fitting together with the substrate to the resin case in which the liquid crystal panel is housed, and fixing the metal fitting to the resin case. through the casing the hole of, when the contact portion of the metal fitting is pressed into the metal outer portion of the liquid crystal panel by the elastic force of the metal fitting, the electric of said substrate Since the substrate can be sandwiched between the metal fittings so as to contact the land portion connected to the ground of the circuit, the conductive state is established, and the metal outer portion of the liquid crystal panel and the electron of the substrate Since the ground of the circuit is electrically connected, the ground potential of the electronic circuit of the substrate and the potential of the metal outer portion of the liquid crystal panel are set to the same potential to prevent noise interference on the liquid crystal screen. Liquid crystal panel conductive connection structure.
JP2001197063A 2001-06-28 2001-06-28 Liquid crystal panel conductive connection structure Expired - Lifetime JP5048188B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2001197063A JP5048188B2 (en) 2001-06-28 2001-06-28 Liquid crystal panel conductive connection structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2001197063A JP5048188B2 (en) 2001-06-28 2001-06-28 Liquid crystal panel conductive connection structure

Publications (2)

Publication Number Publication Date
JP2003015150A JP2003015150A (en) 2003-01-15
JP5048188B2 true JP5048188B2 (en) 2012-10-17

Family

ID=19034746

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2001197063A Expired - Lifetime JP5048188B2 (en) 2001-06-28 2001-06-28 Liquid crystal panel conductive connection structure

Country Status (1)

Country Link
JP (1) JP5048188B2 (en)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4694789B2 (en) * 2004-01-09 2011-06-08 富士通株式会社 Panel member unit, electronic device and mounting member
JP4779314B2 (en) 2004-06-24 2011-09-28 ソニー株式会社 Liquid crystal display
DE102004041169B3 (en) * 2004-08-25 2006-06-14 Siemens Ag Earthing system for linking an earth connection on an electric circuit carrier (ECC) to an earth conductor (EC) has a connection structure to make an electric connection between the ECC and the EC
JP5179005B2 (en) * 2005-10-28 2013-04-10 甲府カシオ株式会社 Image display module
JP5173279B2 (en) * 2007-06-29 2013-04-03 三洋電機株式会社 Image display device
JP5172809B2 (en) * 2008-12-19 2013-03-27 株式会社ジャパンディスプレイセントラル Image display device
US20110199723A1 (en) * 2009-01-29 2011-08-18 Yuya Sato Display unit
JP4695228B2 (en) * 2010-10-20 2011-06-08 富士通株式会社 Panel member unit, electronic device and mounting member
JP5621647B2 (en) * 2011-02-10 2014-11-12 日本精機株式会社 Liquid crystal display
JP5741370B2 (en) 2011-10-25 2015-07-01 船井電機株式会社 Display device and television device
JP6106409B2 (en) * 2012-11-05 2017-03-29 矢崎総業株式会社 Liquid crystal display
JP6089637B2 (en) * 2012-11-30 2017-03-08 船井電機株式会社 Display device
EP2757777B1 (en) * 2013-01-18 2015-07-01 Funai Electric Co., Ltd. Display device and television device
JP6257143B2 (en) * 2013-01-28 2018-01-10 株式会社ザクティ Electronic device with display panel
JP5563728B1 (en) * 2013-02-14 2014-07-30 シャープ株式会社 Thin display device
JP5736492B2 (en) * 2013-02-14 2015-06-17 シャープ株式会社 Thin display device
US9388998B2 (en) * 2013-03-15 2016-07-12 Honeywell International Inc. Battery holder for an electronic device
US9799845B2 (en) * 2015-06-27 2017-10-24 Intel Corporation Method and device for coupling multiple ground planes
KR20170011141A (en) * 2015-07-21 2017-02-02 엘지이노텍 주식회사 Electrostatic discharge, PCB assembly and Control device having the same

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63205069A (en) * 1987-02-20 1988-08-24 松下電器産業株式会社 Earth
JPH0420575Y2 (en) * 1989-05-27 1992-05-12
JPH06265922A (en) * 1993-03-12 1994-09-22 Hitachi Ltd Liquid crystal display device
JP3303561B2 (en) * 1994-10-25 2002-07-22 松下電器産業株式会社 Earth spring device
JPH09114391A (en) * 1995-10-20 1997-05-02 Fujitsu Ltd Display device
JPH11183926A (en) * 1997-12-22 1999-07-09 Matsushita Electric Ind Co Ltd Installation structure of foil earth wire in liquid crystal display device
JP2000227604A (en) * 1999-02-08 2000-08-15 Citizen Watch Co Ltd Liquid crystal display device

Also Published As

Publication number Publication date
JP2003015150A (en) 2003-01-15

Similar Documents

Publication Publication Date Title
JP5048188B2 (en) Liquid crystal panel conductive connection structure
JP2006331803A (en) Electronic control device
JP3269794B2 (en) Connection device between circuit boards
JP2888788B2 (en) Liquid crystal display
JP3021813B2 (en) Display module
JP3075926B2 (en) Terminal mounting device
JP2598432Y2 (en) Matrix type liquid crystal display
JPH0958163A (en) Ic card
JP2003015110A (en) Conductive connection structure of liquid crystal panel
JP2008270234A (en) Substrate fixing structure, substrate fixing spacer and substrate unit
JPH0547509Y2 (en)
JP2806949B2 (en) Integrated circuit having ground connection structure for electrical components and metal substrate
JPH0818292A (en) Supporting method of printed substrate
JP2004281718A (en) Enclosure of electronic component
JP2981825B2 (en) Floating connector
JP4514250B2 (en) LCD panel frame holding mechanism
JP2867804B2 (en) Mounting structure of printed circuit board cover
JP2000307271A (en) Printed board mounting structure
JPH0230869Y2 (en)
JPH04313299A (en) Mounting structure in electronic apparatus
JP2000124722A (en) Attachment mechanism of rod antenna
JPH0311829Y2 (en)
JPH05129040A (en) Earthing structure for circuit substrate
JPH0644141Y2 (en) Board connection device
JP4546229B2 (en) Connection structure of ground conductor pattern of circuit board to housing frame

Legal Events

Date Code Title Description
A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20080521

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20110215

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20110308

A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20110422

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20110913

A521 Written amendment

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20111111

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20120626

A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20120719

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20150727

Year of fee payment: 3

R150 Certificate of patent or registration of utility model

Ref document number: 5048188

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

Free format text: JAPANESE INTERMEDIATE CODE: R150

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

EXPY Cancellation because of completion of term