JPH04282617A - Liquid crystal display device - Google Patents
Liquid crystal display deviceInfo
- Publication number
- JPH04282617A JPH04282617A JP4666491A JP4666491A JPH04282617A JP H04282617 A JPH04282617 A JP H04282617A JP 4666491 A JP4666491 A JP 4666491A JP 4666491 A JP4666491 A JP 4666491A JP H04282617 A JPH04282617 A JP H04282617A
- Authority
- JP
- Japan
- Prior art keywords
- circuit board
- liquid crystal
- crystal display
- display device
- wires
- 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.)
- Pending
Links
- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 18
- 238000005476 soldering Methods 0.000 abstract description 8
- 230000002093 peripheral effect Effects 0.000 abstract 1
- 238000005452 bending Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 229910000679 solder Inorganic materials 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/30—Assembling printed circuits with electric components, e.g. with resistor
- H05K3/32—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits
- H05K3/325—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits by abutting or pinching, i.e. without alloying process; mechanical auxiliary parts therefor
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K3/00—Apparatus or processes for manufacturing printed circuits
- H05K3/30—Assembling printed circuits with electric components, e.g. with resistor
- H05K3/32—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits
- H05K3/34—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits by soldering
- H05K3/3447—Lead-in-hole components
Abstract
Description
【０００１】0001
【産業上の利用分野】本発明は、回路基板と電線を具備
した液晶表示装置における回路基板と電線の接続方法に
関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for connecting a circuit board and wires in a liquid crystal display device equipped with a circuit board and wires.
【０００２】0002
【従来の技術】従来の液晶表示装置の回路基板と電線の
接続方法は、回路基板上に設けられた端子ランドに電線
を半田付けする方法が一般的であった。図２を用いて、
前記従来の回路基板と電線を具備した液晶表示装置の構
造を説明する。押え枠１と、液晶表示素子２と、ラバー
コネクタ３と、回路基板４と、回路基板４上の端子ラン
ド５と、電線６と、コネクタ７と、半田付け８から構成
されている。2. Description of the Related Art A conventional method for connecting electric wires to a circuit board of a liquid crystal display device is generally to solder the electric wires to terminal lands provided on the circuit board. Using Figure 2,
The structure of a liquid crystal display device including the conventional circuit board and electric wires will be described. It is composed of a holding frame 1, a liquid crystal display element 2, a rubber connector 3, a circuit board 4, a terminal land 5 on the circuit board 4, an electric wire 6, a connector 7, and a solder 8.
【０００３】0003
【発明が解決しようとする課題】従来の技術（図２）に
おいて、電線６は引っ張りと屈曲に対し半田付け８の電
線６付け根部分が機械的に最も弱く、電線６の断線によ
る電気的トラブルが多発するという問題を有していた。
本発明は、前述した問題点を解決することにあり、その
目的とするところは、半田付け８の電線６付け根部分の
機械的強度を向上させることにより、回路基板４と電線
６の接続信頼性が高い液晶表示装置を提供することにあ
る。[Problems to be Solved by the Invention] In the conventional technology (FIG. 2), the wire 6 is mechanically weakest at the base of the wire 6 at the soldering point 8 due to tension and bending, and electrical troubles caused by disconnection of the wire 6 occur. The problem was that it occurred frequently. The present invention is intended to solve the above-mentioned problems, and its purpose is to improve the connection reliability between the circuit board 4 and the electric wires 6 by improving the mechanical strength of the base portion of the electric wires 6 of the soldering 8. The purpose of the present invention is to provide a liquid crystal display device with high quality.
【０００４】0004
【課題を解決するための手段】本発明の液晶表示装置は
、液晶表示素子と回路基板と電線を具備する液晶表示装
置において、前記電線が前記回路基板に設けられた穴に
挿通され、該回路基板の端子部に接続されたことを特徴
とする。[Means for Solving the Problems] A liquid crystal display device of the present invention includes a liquid crystal display element, a circuit board, and an electric wire, in which the electric wire is inserted into a hole provided in the circuit board, and the It is characterized by being connected to the terminal section of the board.
【０００５】[0005]
【作用】本発明の上記の構成によれば、電線を回路基板
に設けられた穴に通した後、電線を回路基板に半田付け
により接続するため、電線の受ける機械的ストレスは半
田付け箇所に直接加わらない。その結果として、電線の
半田付け箇所が機械的に強化されたことになり、電線の
引っ張りと屈曲に対し回路基板と電線の接続信頼性が大
幅に向上した。[Operation] According to the above structure of the present invention, the electric wire is passed through the hole provided in the circuit board and then connected to the circuit board by soldering, so that the mechanical stress applied to the electric wire is transferred to the soldering point. Not directly involved. As a result, the soldered parts of the wires have been mechanically strengthened, greatly improving the reliability of the connection between the circuit board and the wires against tension and bending of the wires.
【０００６】[0006]
【実施例】図１（ａ）、（ｂ）は、本発明の一実施例に
おける構成図であって、押え枠１と液晶表示素子２とラ
バーコネクタ３と回路基板４で構成された液晶表示装置
に、回路基板４の背面側からコネクタ７付きの電線６を
、回路基板４に設けられている穴９を通し回路基板４の
正面側に設けられている端子ランド５に半田付け８にに
より接続した状態を示す。上記、図１（ａ）、（ｂ）の
実施例において、回路基板に設けた穴の直径は、電線の
被覆外径Ｘｍｍ＋０．１５ｍｍとした。また、端子ラン
ド端面と穴外周との距離は、２．０ｍｍとして実施した
。[Embodiment] FIGS. 1(a) and 1(b) are configuration diagrams of an embodiment of the present invention, and the liquid crystal display is composed of a presser frame 1, a liquid crystal display element 2, a rubber connector 3, and a circuit board 4. The electric wire 6 with the connector 7 is passed from the back side of the circuit board 4 to the terminal land 5 provided on the front side of the circuit board 4 through the hole 9 provided in the circuit board 4 to the device by soldering 8. Indicates connected status. In the embodiments shown in FIGS. 1(a) and 1(b), the diameter of the hole provided in the circuit board was set to be the outer diameter of the wire coating (X mm)+0.15 mm. Further, the distance between the end face of the terminal land and the outer periphery of the hole was set to 2.0 mm.
【０００７】上記の実施例において、電線の引っ張り強
度試験および屈曲試験においては、半田付け箇所付近に
おける電線の断線という問題は全く発生しておらず良好
な結果を得た。[0007] In the above example, in the tensile strength test and bending test of the electric wire, there were no problems of wire breakage near the soldering points, and good results were obtained.
【０００８】[0008]
【発明の効果】以上述べたとおり本発明によれば、回路
基板に電線を接続する際、回路基板に設けた穴に電線を
通した後回路基板の端子部に接続することにより、電線
の引っ張り強度と耐屈曲性に優れ、電線と回路基板の接
続信頼性が高い液晶表示装置を提供できるという効果を
有する。Effects of the Invention As described above, according to the present invention, when connecting an electric wire to a circuit board, the electric wire can be pulled through the hole provided in the circuit board and then connected to the terminal part of the circuit board. This has the effect of providing a liquid crystal display device with excellent strength and bending resistance, and with high connection reliability between electric wires and circuit boards.
【図１】本発明の液晶表示装置の一実施例を示す図。FIG. 1 is a diagram showing an embodiment of a liquid crystal display device of the present invention.
【図２】従来の液晶表示装置の断面図。FIG. 2 is a cross-sectional view of a conventional liquid crystal display device.
１・・・押え枠 ２・・・液晶表示素子 ３・・・ラバーコネクタ ４・・・回路基板 ５・・・端子ランド ６・・・電線 ７・・・コネクタ ８・・・半田付け ９・・・穴 1... Presser frame 2...Liquid crystal display element 3...Rubber connector 4...Circuit board 5...Terminal land 6...Electric wire 7... Connector 8...Soldering 9...hole
Claims (1)
液晶表示装置において、前記電線が前記回路基板に設け
られた穴に挿通され、該回路基板の端子部に接続された
ことを特徴とする液晶表示装置。1. A liquid crystal display device comprising a liquid crystal display element, a circuit board, and an electric wire, characterized in that the electric wire is inserted through a hole provided in the circuit board and connected to a terminal portion of the circuit board. LCD display device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4666491A JPH04282617A (en) | 1991-03-12 | 1991-03-12 | Liquid crystal display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4666491A JPH04282617A (en) | 1991-03-12 | 1991-03-12 | Liquid crystal display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH04282617A true JPH04282617A (en) | 1992-10-07 |
Family
ID=12753616
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4666491A Pending JPH04282617A (en) | 1991-03-12 | 1991-03-12 | Liquid crystal display device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH04282617A (en) |
-
1991
- 1991-03-12 JP JP4666491A patent/JPH04282617A/en active Pending
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