JPH0643472A - Circuit connecting unit - Google Patents
Circuit connecting unitInfo
- Publication number
- JPH0643472A JPH0643472A JP21746092A JP21746092A JPH0643472A JP H0643472 A JPH0643472 A JP H0643472A JP 21746092 A JP21746092 A JP 21746092A JP 21746092 A JP21746092 A JP 21746092A JP H0643472 A JPH0643472 A JP H0643472A
- Authority
- JP
- Japan
- Prior art keywords
- electrode
- circuit
- circuit unit
- unit
- flexible connection
- 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.)
- Granted
Links
Landscapes
- Liquid Crystal (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、Ｘ軸方向とＹ軸方向の
ように略直角方向に電極を配設した基板と、前記基板と
別体基板からの電気信号を伝達するための接続基板と前
記別体基板を備えた回路ユニットに関するものであり液
晶表示装置の表示部電極と、表示部と別体で形成される
ところの表示部を制御する回路あるいは駆動する回路と
を接続する場合などにみられる、表示部材と接続部材と
制御回路を一体とした回路接続ユニットに関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a substrate on which electrodes are arranged substantially at right angles such as the X-axis direction and the Y-axis direction, and a connection substrate for transmitting electric signals from the substrate and a separate substrate. And a circuit unit having the separate substrate, for connecting a display electrode of a liquid crystal display device to a circuit for controlling or driving the display formed separately from the display, etc. And a circuit connecting unit in which a display member, a connecting member and a control circuit are integrated.
【０００２】[0002]
【従来技術】電気信号を光学的に表示するための手段と
して、プラズマ表示装置や液晶表示装置等があるが、こ
れらの表示装置は表示部を制御するための回路が必要で
あり、及び表示部を駆動するための回路が必要である。
これらの回路は、一般に表示部と分離された構成をなす
が、表示部を駆動する回路に於いては表示部と一体形成
する構造をなす場合もある。このため表示部と回路部分
を接続する手段が必要であった。この手段として変形自
由で量産加工容易な基板であるフレキシブル接続基板が
用いられている。2. Description of the Related Art Plasma display devices, liquid crystal display devices and the like are available as means for optically displaying electrical signals, but these display devices require a circuit for controlling the display portion, and the display portion. Need a circuit to drive the.
These circuits are generally separated from the display unit, but the circuit for driving the display unit may be formed integrally with the display unit. Therefore, a means for connecting the display section and the circuit section is required. As this means, a flexible connection board, which is a board that can be freely deformed and is easily mass-produced, is used.
【０００３】第２回路ユニットの例であるところ表示装
置の前記表示部の端部には、一般にＸ軸方向にＸ電極が
設けられており、Ｙ軸方向にはＹ電極が設けられてい
る。表示部のＸ電極とＹ電極に沿ってＸ電極用フレキシ
ブル基板とＹ電極用フレキシブル基板とを配置して、各
フレキシブル基板の接続電極と表示部のＸ電極とＹ電極
とを異方性導電接着剤等の導電手段を介して接続を行
う。さらに前記Ｘ電極用とＹ電極用のそれぞれのフレキ
シブル基板の端部に設けられた第１回路ユニット接続部
により、表示部と分離されてなる表示部の制御回路ユニ
ットである第１回路ユニットとフレキシブル接続基板を
接続する構成をなしている。As an example of the second circuit unit, an X electrode is generally provided in the X-axis direction and a Y electrode is provided in the Y-axis direction at the end portion of the display section of the display device. An X electrode flexible substrate and a Y electrode flexible substrate are arranged along the X electrode and the Y electrode of the display unit, and the connecting electrodes of each flexible substrate and the X electrode and the Y electrode of the display unit are anisotropically conductively bonded. Connection is made through a conductive means such as an agent. Further, the first circuit unit connecting portion provided at the end of each of the flexible substrates for the X electrodes and the Y electrodes is flexible with the first circuit unit which is a control circuit unit of the display unit which is separated from the display unit. It is configured to connect the connection board.
【０００４】従来例を、特開平１−２３５９２２号公報
で開示されている図８を用いて示す。図８において第２
回路ユニット１０の例であるところの液晶表示体は、片
側の面に形成された電極を有す上下２枚のガラス基板を
対向させ、この間隙に液晶を挟持し、挟持した液晶の周
囲をシ−ル材でシ−ルした構成をなし、液晶部分で表示
部１１を形成する。また液晶を駆動する駆動用ＩＣを前
記上下のガラス基板の端部に実装し、フレキシブル接続
基板２０との接続を行う電極を設けるために表示部１１
の外周よりガラス基板を大きく形成している。図８に於
いては下ガラス基板はＹ軸方向の電極であるＹ電極１３
を形成しており、上ガラス基板はＸ軸方向の電極である
Ｘ電極１２を形成している。第２回路ユニット１０のＸ
電極１２とＹ電極１３と第１回路ユニット３０とを電気
的に接続するために、略直角形状をなしたフレキシブル
接続基板２０を配設し、直角形状のフレキシブル接続基
板２０のＸ軸方向にはＸ電極部２２を形成し、上ガラス
基板のＸ電極１２とフレキシブル接続基板２０のＸ電極
部２２とを異方性導電接着剤で接着し、下ガラス基板の
Ｙ電極１３とフレキシブル接続基板２０のＹ電極部２３
とを異方性導電接着剤で接着している。さらにフレキシ
ブル接続基板２０のＸ電極部と反対方向に回路ユニット
接続部２１を形成して、フレキシブル接続基板２０を介
して液晶表示体である第２回路ユニット１０と第１回路
ユニット３０とを接続する。A conventional example will be shown with reference to FIG. 8 disclosed in Japanese Patent Laid-Open No. 1-235922. Second in FIG.
In the liquid crystal display body which is an example of the circuit unit 10, two upper and lower glass substrates having electrodes formed on one surface are opposed to each other, the liquid crystal is sandwiched in this gap, and the periphery of the sandwiched liquid crystal is sealed. The display unit 11 is formed of a liquid crystal part, which is made of a sealing material. Further, a driving IC for driving the liquid crystal is mounted on the end portions of the upper and lower glass substrates, and the display unit 11 is provided in order to provide electrodes for connecting with the flexible connection substrate 20.
The glass substrate is formed to be larger than the outer circumference. In FIG. 8, the lower glass substrate is a Y electrode 13 which is an electrode in the Y-axis direction.
And the upper glass substrate forms an X electrode 12 which is an electrode in the X-axis direction. X of the second circuit unit 10
In order to electrically connect the electrode 12, the Y electrode 13, and the first circuit unit 30, a substantially right-angled flexible connection board 20 is provided, and the right-angled flexible connection board 20 is arranged in the X-axis direction. The X electrode portion 22 is formed, the X electrode 12 of the upper glass substrate and the X electrode portion 22 of the flexible connection substrate 20 are bonded with an anisotropic conductive adhesive, and the Y electrode 13 of the lower glass substrate and the flexible connection substrate 20 are bonded. Y electrode portion 23
And are bonded with an anisotropic conductive adhesive. Further, the circuit unit connection portion 21 is formed in the direction opposite to the X electrode portion of the flexible connection board 20, and the second circuit unit 10 and the first circuit unit 30 which are liquid crystal display bodies are connected via the flexible connection board 20. .
【０００５】しかしながら、上記公報で示されているフ
レキシブル接続基板２０は、Ｘ電極部２２とＹ電極部２
３とにより略直角形状（Ｌ形状）をなしており、さらに
Ｘ電極部と反対方向に回路ユニット接続部２１が形成さ
れているためフレキシブル接続基板がＴ形状をなす。こ
のため長方形のフレキシブル基板の原材料より、Ｔ形状
やＬ形状のフレキシブル接続基板を型抜きして取り出す
と液晶表示部分に相当するフレキシブル基板が無駄にな
ってしまう問題を有しており、この問題を対策すべく特
開平２−１７０１３２号公報が開示されている。However, the flexible connection substrate 20 disclosed in the above publication has the X electrode portion 22 and the Y electrode portion 2
3 has a substantially right-angled shape (L shape), and the circuit unit connection portion 21 is formed in the direction opposite to the X electrode portion, so that the flexible connection substrate has a T shape. Therefore, if a T-shaped or L-shaped flexible connection substrate is die-cut and taken out from the raw material of the rectangular flexible substrate, the flexible substrate corresponding to the liquid crystal display portion is wasted. Japanese Patent Laid-Open No. 2-170132 is disclosed as a countermeasure.
【０００６】また、特開平２−１７０１３２号公報で開
示されているところは、直方体をなすフレキシブル接続
基板を第２回路ユニットであるところの長方形をなす表
示部の辺に沿ってコの字型に２回９０度曲げた後、第２
回路ユニットと接続しさらにフレキシブル接続基板の上
に表示部駆動回路を形成した構成をなすテ−プキャリヤ
用フレキシブル基板（ＴＡＢ）が開示されている。前記
公報ではフレキシブル接続基板が直方体であるためフレ
キシブル接続基板の無駄が省ける。しかしながら、前記
公報ではフレキシブル接続基板上の駆動回路と表示部と
を別体で設けた第１回路ユニットを接続するために、第
２回路ユニットに接続したフレキシブル接続基板の反対
の端部に第１回路ユニットを形成したプリント基板を接
続せねばならず、このため回路ユニットを形成するプリ
ント基板をフレキシブル接続基板のコの字形にあわせた
形状とせねばならずプリント基板に無駄が生じる問題を
有している。さらにフレキシブル接続基板の幅が広く、
第２回路ユニットの表示部をフレキシブル接続基板が覆
い表示部を狭くしていた。Further, according to Japanese Patent Laid-Open No. 2-170132, a rectangular parallelepiped flexible connection board is formed into a U-shape along a side of a rectangular display portion which is a second circuit unit. After bending 90 degrees twice, second
A flexible substrate (TAB) for tape carrier is disclosed which is connected to a circuit unit and further has a display drive circuit formed on a flexible connection substrate. In the above publication, since the flexible connection board is a rectangular parallelepiped, waste of the flexible connection board can be omitted. However, in the above publication, in order to connect the first circuit unit in which the drive circuit on the flexible connection board and the display section are separately provided, the first circuit unit is provided at the opposite end of the flexible connection board connected to the second circuit unit. The printed circuit board on which the circuit unit is formed must be connected, and therefore the printed circuit board on which the circuit unit is formed must be shaped to match the U-shape of the flexible connection board. There is. Furthermore, the width of the flexible connection board is wide,
The flexible connection board covers the display portion of the second circuit unit to narrow the display portion.
【０００７】[0007]
【発明が解決しようとする課題】上記のような従来技術
では、第２回路ユニットに合わせてフレキシブル接続基
板を形成せねばならず、フレキシブル接続基板がＴ形状
をなしたりＬ形状をなすため、長方形をなすフレキシブ
ル接続基板の原材料より、Ｔ形状やＬ形状のフレキシブ
ル接続基板を型抜きして取り出すと液晶表示部分に相当
するフレキシブル基板が無駄になってしまう問題を有し
ている。また、直方体をなすフレキシブル接続基板を第
２回路ユニットであるところの長方形をなす表示部の辺
に沿ってコの字型に２回９０度曲げたフレキシブル接続
基板を用いると、フレキシブル接続基板の反対の端部に
プリント基板を接続せねばならず、外部制御回路を形成
しているプリント基板をフレキシブル接続基板にあわせ
て形状を決めねばならない問題を有している。さらにフ
レキシブル接続基板の幅が広く、第２回路ユニットの表
示部をフレキシブル基板が覆わないようにフレキシブル
接続基板の基板配置が難くなる問題も有している。In the prior art as described above, the flexible connecting board has to be formed in conformity with the second circuit unit, and the flexible connecting board has a T shape or an L shape. If a T-shaped or L-shaped flexible connection substrate is die-cut and taken out from the raw material of the flexible connection substrate forming the above, the flexible substrate corresponding to the liquid crystal display portion is wasted. In addition, if a flexible connection board that is a rectangular parallelepiped is bent 90 degrees twice in a U-shape along the side of the rectangular display portion that is the second circuit unit, the flexible connection board is opposite to the flexible connection board. There is a problem in that the printed circuit board must be connected to the end of the board and the shape of the printed circuit board forming the external control circuit must be determined according to the flexible connection board. Further, the width of the flexible connection board is wide, and it is difficult to arrange the flexible connection board so that the flexible board does not cover the display portion of the second circuit unit.
【０００８】[0008]
【課題を解決するための手段】前記問題を解決するため
の本発明の主旨は、第１回路ユニットと回路基板の直角
方向の面にそれぞれ接続するためのＸ電極とＹ電極とを
有する第２回路ユニットとをフレキシブル接続基板を用
いて接続する電子装置に於いて、前記フレキシブル接続
基板のＸ電極部とＹ電極部とを略直線上に形成すると共
に、Ｘ電極部とＹ電極部との接続部より、Ｘ電極部また
は前記Ｙ電極部と平行に前記第１の回路ユニット接続部
を形成し、また前記フレキシブル接続基板の一部を曲げ
てＸ電極部とＹ電極部が互いに略直角に位置する直角配
置形状とし、前記直角配置形状のフレキシブル接続基板
と前記第２回路ユニットとを接続した構成を特徴とする
回路接続ユニットであり、また前記第２回路ユニットの
基板上の電極に接続された前記フレキシブル接続基板の
突出部を前記第２回路ユニットの基板の内側に曲げ込ん
だ構成を特徴とする回路接続ユニット。SUMMARY OF THE INVENTION An object of the present invention for solving the above problems is to provide a first circuit unit and a second circuit having an X electrode and a Y electrode for connecting to the surfaces of the circuit board in a direction perpendicular to each other. In an electronic device for connecting a circuit unit using a flexible connection board, the X electrode section and the Y electrode section of the flexible connection board are formed on a substantially straight line, and the X electrode section and the Y electrode section are connected. Part, the first circuit unit connection part is formed in parallel with the X electrode part or the Y electrode part, and a part of the flexible connection board is bent so that the X electrode part and the Y electrode part are positioned substantially at right angles to each other. A circuit connection unit having a right-angled arrangement shape, in which the flexible connection board having the right-angled shape and the second circuit unit are connected to each other, and a contact on an electrode on a board of the second circuit unit. Circuit connection unit, characterized in configuration elaborate bent inwardly of the substrate of the second circuit unit protrusions of the flexible connection substrate that is.
【０００９】[0009]
【実施例】以下図面により本発明の１実施例を説明す
る。図１〜図５は第１の実施例の構成を説明するための
図である。図１には第２回路ユニット１０の１例である
液晶表示体が示されている。図１を正面方向から見て被
接続体１０の裏面側にＸ電極１２が形成されており、表
面側にＹ電極１３が形成されている。図２には、従来例
で図示したところの液晶表示体を駆動するための回路あ
るいは制御するための回路が実装されている第１回路ユ
ニット３０と第２回路ユニット１０とを接続するための
フレキシブル接続基板２０が図示されており、フレキシ
ブル接続基板２０にはＹ電極部２３とＸ電極部２２が形
成されており、Ｘ電極部２２とＹ電極部２３との接続部
が略直線上に形成され、さらに前記Ｘ電極部２２または
前記Ｙ電極部２３と平行に第１回路ユニット３０と接続
するための回路ユニット接続部２１をを形成した構成を
なす。フレキシブル接続基板２０のＹ電極部２３と被接
続体１０のＹ電極１３とを平行に配置しかつ電極同士を
重ね合わせて、Ｙ電極１３とＹ電極部２３とを異方性導
電接着剤で接着する。Ｙ電極１３とＹ電極部２３の接着
後、Ｙ電極部２３の接着端部と反対側の端部をＹ電極１
３の端部を中心に１８０度折り曲げ、Ｙ電極１３との接
続に関係しないフレキシブル接続基板２０のＹ電極部２
３をＹ電極１３の裏面に配置する。この状態を第２回路
ユニット１０を省略して図３に示す。第２回路ユニット
１０を省略した図である図３と図４に於いて、図３の状
態からＸ電極部２２とＹ電極部２３との結合部近傍より
Ｘ電極部に近い場所を、第２回路ユニット１０のＸ電極
１２とフレキシブル接続基板２０のＸ電極部２２とが向
かい合うようにフレキシブル接続基板２０を略１８０度
折り曲げて図４の状態とする。向かい合った第２回路ユ
ニット１０のＸ電極１２とフレキシブル接続基板２０の
Ｘ電極部２２を異方性導電接着剤により接続する。さら
に図５に示すようにＸ電極部２２が第２回路ユニット１
０のＸ電極１２と接続をなす端部と反対側の端部をＸ電
極１２の端部を中心に略１８０度折り曲げフレキシブル
接続基板２０をＸ電極１２の裏面に配置した構成を特徴
とする回路接続ユニットである。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. 1 to 5 are diagrams for explaining the configuration of the first embodiment. FIG. 1 shows a liquid crystal display which is an example of the second circuit unit 10. When viewed from the front side in FIG. 1, the X electrode 12 is formed on the back surface side of the connected body 10 and the Y electrode 13 is formed on the front surface side. In FIG. 2, a flexible circuit for connecting a first circuit unit 30 and a second circuit unit 10 on which a circuit for driving or controlling a liquid crystal display body illustrated in the conventional example is mounted. A connection board 20 is shown, a Y electrode portion 23 and an X electrode portion 22 are formed on the flexible connection board 20, and a connection portion between the X electrode portion 22 and the Y electrode portion 23 is formed on a substantially straight line. Further, a circuit unit connecting portion 21 for connecting to the first circuit unit 30 is formed in parallel with the X electrode portion 22 or the Y electrode portion 23. The Y electrode portion 23 of the flexible connection substrate 20 and the Y electrode 13 of the connected body 10 are arranged in parallel and the electrodes are overlapped with each other, and the Y electrode 13 and the Y electrode portion 23 are bonded with an anisotropic conductive adhesive. To do. After adhering the Y electrode 13 and the Y electrode portion 23, the end portion of the Y electrode portion 23 opposite to the adhering end portion is attached to the Y electrode 1
The Y electrode portion 2 of the flexible connection substrate 20 which is bent 180 degrees around the end portion of 3 and is not related to the connection with the Y electrode 13.
3 is arranged on the back surface of the Y electrode 13. This state is shown in FIG. 3 with the second circuit unit 10 omitted. In FIGS. 3 and 4 in which the second circuit unit 10 is omitted, a portion closer to the X electrode portion than the vicinity of the coupling portion between the X electrode portion 22 and the Y electrode portion 23 from the state of FIG. The flexible connection board 20 is bent by approximately 180 degrees so that the X electrode 12 of the circuit unit 10 and the X electrode portion 22 of the flexible connection board 20 face each other, and the state shown in FIG. 4 is obtained. The X electrode 12 of the second circuit unit 10 and the X electrode portion 22 of the flexible connection board 20 facing each other are connected by an anisotropic conductive adhesive. Further, as shown in FIG. 5, the X electrode portion 22 is connected to the second circuit unit 1.
A circuit characterized in that a flexible connection board 20 is disposed on the back surface of the X electrode 12 by bending an end portion of the 0 electrode opposite to the end portion connecting to the X electrode 12 by about 180 degrees around the end portion of the X electrode 12. It is a connection unit.
【００１０】また、両面接着テープや接着剤等の固定手
段２４を図５に示す如く前記フレキシブル接続基板のＸ
電極部２２近傍あるいはＹ電極部２３近傍あるいは両電
極部の近傍に設け、第２回路ユニット１０の電極端部を
中心に１８０度折り曲げたフレキシブル接続基板２０を
固定する構成を特徴とする回路接続ユニットである。Further, as shown in FIG. 5, a fixing means 24 such as a double-sided adhesive tape or an adhesive is attached to the X of the flexible connection board.
A circuit connection unit characterized in that it is provided near the electrode portion 22, near the Y electrode portion 23, or near both electrode portions, and fixes the flexible connection substrate 20 bent 180 degrees around the electrode end portion of the second circuit unit 10. Is.
【００１１】また、回路ユニット接続部２１を図６に示
しす如くＸ電極部２２のＸ軸方向の延長上に配設しても
従来の欠点を解決できる。さらに、回路ユニット接続部
２１を図７に示した如くＹ電極部２３のＹ軸方向の延長
上に配設しても従来の欠点を解決した回路接続ユニット
である。Further, even if the circuit unit connecting portion 21 is arranged on the extension of the X electrode portion 22 in the X-axis direction as shown in FIG. 6, the conventional drawback can be solved. Further, even if the circuit unit connecting portion 21 is arranged on the extension of the Y electrode portion 23 in the Y-axis direction as shown in FIG. 7, the circuit connecting unit solves the conventional drawbacks.
【００１２】[0012]
【発明の効果】以上に説明したごとく、本発明は第２回
路ユニットに合わせてフレキシブル接続基板をＴ形状や
Ｌ形状とする必要がなく、略直線状態のフレキシブル接
続基板とすることが出来るため、従来技術で問題となっ
ていた長方形のフレキシブル接続基板の原材料よりフレ
キシブル接続基板を型抜きして取り出したとき無駄とな
る液晶表示部分に相当するフレキシブル基板を無くすこ
とが出来、経済性の良いフレキシブル接続基板の製造が
出来る。また、他の従来例である直方体をなすフレキシ
ブル接続基板を第２回路ユニットであるところの長方形
をなす表示部の辺に沿ってコの字型に２回９０度曲げた
フレキシブル接続基板を用いるときに生じる、第１回路
ユニットを形成するプリント基板をフレキシブル接続基
板にあわせて形状を決めねばならない問題を回路ユニッ
ト接続部をＸ電極部とＹ電極部と平行あるいは直線上に
形成することにより解決し、さらに従来のフレキシブル
接続基板の幅が広く、第２回路ユニットの表示部をフレ
キシブル基板が覆う問題も第２回路ユニットの電極端部
に沿って曲げ込むことで解決できる。さらにフレキシブ
ル接続基板のＸ電極部やＹ電極部の配線部分のフレキシ
ブル接続基板を第２回路ユニットの電極下部に曲げ込ん
であるため、第２回路ユニットの例である液晶表示体の
表示部分を大きくでき、装置全体の小型化や経済性の効
果がある回路接続ユニットが得られる。As described above, according to the present invention, since it is not necessary to form the flexible connection board in the T shape or the L shape in accordance with the second circuit unit, the flexible connection board in the substantially linear state can be formed. Economical flexible connection because it is possible to eliminate the flexible board corresponding to the liquid crystal display part that is wasted when the flexible connection board is die-cut from the raw material of the rectangular flexible connection board, which has been a problem in the conventional technology. Can manufacture substrates. In addition, when using another conventional flexible connection board having a rectangular parallelepiped shape, which is bent in a U-shape twice at 90 degrees along the side of the rectangular display portion which is the second circuit unit, The problem that the printed circuit board forming the first circuit unit has to be shaped according to the flexible connection board, which is caused by the above, is solved by forming the circuit unit connection section in parallel or in a straight line with the X electrode section and the Y electrode section. Further, the problem that the width of the conventional flexible connection substrate is wide and the display portion of the second circuit unit is covered by the flexible substrate can be solved by bending along the electrode end portion of the second circuit unit. Further, since the flexible connection board of the wiring portion of the X electrode portion and the Y electrode portion of the flexible connection board is bent under the electrode of the second circuit unit, the display portion of the liquid crystal display body which is an example of the second circuit unit is enlarged. Therefore, the circuit connecting unit can be obtained which has the effects of downsizing the entire device and economical efficiency.
【００１３】さらにフレキシブル接続基板のＸ電極部や
Ｙ電極部の配線部分を第２回路ユニットの電極下部に曲
げ込むと共に固定部材でフレキシブル接続基板を固定す
るため、表示画面上にフレキシブル接続基板が飛び出す
危険もなくなり、さらに回路接続ユニットの組み込み作
業性も向上する。Further, since the wiring portions of the X electrode portion and the Y electrode portion of the flexible connection board are bent under the electrodes of the second circuit unit and the flexible connection board is fixed by the fixing member, the flexible connection board pops out on the display screen. There is no danger and the workability of assembling the circuit connection unit is also improved.
【００１４】さらに、本発明は回路接続ユニットを構成
している一つの部品であるフレキシブル接続基板上にＩ
Ｃを配置したＴＡＢにも前記と同様の効果が得られる。
とくに液晶表示体のような表示部を有し、第２回路ユニ
ットの端部にＩＣを実装したＣＯＧ方式の液晶表示体に
対して本発明の回路接続ユニットの効果が大である。Further, according to the present invention, I is provided on a flexible connection board which is one component constituting the circuit connection unit.
The same effect as described above can be obtained with TAB in which C is arranged.
In particular, the effect of the circuit connection unit of the present invention is great with respect to a COG type liquid crystal display body having a display portion such as a liquid crystal display body and having an IC mounted on the end of the second circuit unit.
【図１】本発明の第１実施例をなす回路接続ユニットの
第２回路ユニット平面図である。FIG. 1 is a plan view of a second circuit unit of the circuit connecting unit according to the first embodiment of the present invention.
【図２】本発明の第１実施例をなす回路接続ユニットに
おける第１回路ユニットを省略した平面図である。FIG. 2 is a plan view in which the first circuit unit in the circuit connection unit according to the first embodiment of the present invention is omitted.
【図３】本発明の第１実施例をなす回路接続ユニットに
おけるフレキシブル接続基板と第１回路ユニットを省略
した平面図である。FIG. 3 is a plan view in which the flexible connection board and the first circuit unit in the circuit connection unit according to the first embodiment of the present invention are omitted.
【図４】本発明の第１実施例をなす回路接続ユニットに
おけるフレキシブル接続基板と第１回路ユニットを省略
した平面図である。FIG. 4 is a plan view in which the flexible connection board and the first circuit unit in the circuit connection unit according to the first embodiment of the present invention are omitted.
【図５】本発明の第１実施例をなす回路接続ユニットに
おける第１回路ユニットを省略した平面図である。FIG. 5 is a plan view in which the first circuit unit in the circuit connection unit according to the first embodiment of the present invention is omitted.
【図６】本発明の第２の実施例を示すフレキシブル接続
基板の平面図である。FIG. 6 is a plan view of a flexible connection board showing a second embodiment of the present invention.
【図７】本発明の第３の実施例を示すフレキシブル接続
基板の平面図である。FIG. 7 is a plan view of a flexible connection board showing a third embodiment of the present invention.
【図８】従来例を示す回路接続ユニットの平面図であ
る。FIG. 8 is a plan view of a circuit connection unit showing a conventional example.
１０ 第２回路ユニット １１ 表示部 １２ Ｘ電極 １３ Ｙ電極 ２０ フレキシブル接続基板 ２１ 回路ユニット接続部 ２２ Ｘ電極部 ２３ Ｙ電極部 ２４ 固定手段 ３０ 第１回路ユニット 10 2nd circuit unit 11 Display part 12 X electrode 13 Y electrode 20 Flexible connection board 21 Circuit unit connection part 22 X electrode part 23 Y electrode part 24 Fixing means 30 1st circuit unit
Claims (2)
の面にそれぞれ接続するためのＸ電極とＹ電極とを有す
る第２回路ユニットとをフレキシブル接続基板を用いて
接続する電子装置に於いて、前記フレキシブル接続基板
のＸ電極部とＹ電極部とを略直線上に形成すると共に、
Ｘ電極部とＹ電極部との接続部より、Ｘ電極部または前
記Ｙ電極部と平行に前記第１回路ユニットを接続するた
めの第１回路ユニット接続部を形成し、また前記フレキ
シブル接続基板の一部を曲げてＸ電極部とＹ電極部が互
いに略直角に位置する直角配置形状とし、前記直角配置
形状のフレキシブル接続基板と前記第２回路ユニットと
を接続した構成を特徴とする回路接続ユニット。1. An electronic device for connecting a first circuit unit and a second circuit unit having an X electrode and a Y electrode for connecting to a surface of a circuit board in a direction perpendicular to each other by using a flexible connection board. While forming the X electrode portion and the Y electrode portion of the flexible connection board on a substantially straight line,
A first circuit unit connection portion for connecting the first circuit unit is formed in parallel with the X electrode portion or the Y electrode portion from the connection portion between the X electrode portion and the Y electrode portion, and the flexible connection substrate A circuit connecting unit characterized in that a part thereof is bent to form a right angle arrangement in which the X electrode portion and the Y electrode portion are positioned substantially at right angles to each other, and the flexible connection board having the right angle arrangement is connected to the second circuit unit. .
接続された前記フレキシブル接続基板の突出部を前記第
２回路ユニットの基板の内側に曲げ込んだ構成を特徴と
する回路接続ユニット。2. A circuit connecting unit characterized in that a protrusion of the flexible connecting board connected to an electrode on the board of the second circuit unit is bent inside the board of the second circuit unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21746092A JP3297084B2 (en) | 1992-07-24 | 1992-07-24 | Display device and its flexible substrate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21746092A JP3297084B2 (en) | 1992-07-24 | 1992-07-24 | Display device and its flexible substrate |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2002011188A Division JP3432504B2 (en) | 2002-01-21 | 2002-01-21 | Display device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0643472A true JPH0643472A (en) | 1994-02-18 |
| JP3297084B2 JP3297084B2 (en) | 2002-07-02 |
Family
ID=16704581
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP21746092A Expired - Fee Related JP3297084B2 (en) | 1992-07-24 | 1992-07-24 | Display device and its flexible substrate |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3297084B2 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1997034189A1 (en) * | 1996-03-11 | 1997-09-18 | Hitachi, Ltd. | Liquid crystal display |
| JPH10170945A (en) * | 1996-12-16 | 1998-06-26 | Matsushita Electric Ind Co Ltd | Liquid crystal display device |
| WO2002035903A2 (en) * | 2000-10-26 | 2002-05-02 | Matsushita Electric Industrial Co., Ltd. | Electronic component, component mounting equipment, and component mounting method |
| US6507384B1 (en) * | 1999-03-26 | 2003-01-14 | Seiko Epson Corporation | Flexible printed wiring board, electro-optical device, and electronic equipment |
| KR20160097350A (en) * | 2013-12-24 | 2016-08-17 | 쿤산 비젼녹스 디스플레이 컴퍼니 리미티드 | Fpc of capacitive touch screen and method for mounting fpc |
-
1992
- 1992-07-24 JP JP21746092A patent/JP3297084B2/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1997034189A1 (en) * | 1996-03-11 | 1997-09-18 | Hitachi, Ltd. | Liquid crystal display |
| JPH10170945A (en) * | 1996-12-16 | 1998-06-26 | Matsushita Electric Ind Co Ltd | Liquid crystal display device |
| US6507384B1 (en) * | 1999-03-26 | 2003-01-14 | Seiko Epson Corporation | Flexible printed wiring board, electro-optical device, and electronic equipment |
| WO2002035903A2 (en) * | 2000-10-26 | 2002-05-02 | Matsushita Electric Industrial Co., Ltd. | Electronic component, component mounting equipment, and component mounting method |
| WO2002035903A3 (en) * | 2000-10-26 | 2003-09-18 | Matsushita Electric Ind Co Ltd | Electronic component, component mounting equipment, and component mounting method |
| CN1295947C (en) * | 2000-10-26 | 2007-01-17 | 松下电器产业株式会社 | Electronic component, component mounting equipment, and component mounting method |
| US7220922B2 (en) | 2000-10-26 | 2007-05-22 | Matsushita Electric Industrial Co., Ltd. | Electronic component, component mounting equipment, and component mounting method |
| KR20160097350A (en) * | 2013-12-24 | 2016-08-17 | 쿤산 비젼녹스 디스플레이 컴퍼니 리미티드 | Fpc of capacitive touch screen and method for mounting fpc |
| EP3089000A4 (en) * | 2013-12-24 | 2016-12-14 | Kunshan Visionox Display Co Ltd | Fpc of capacitive touch screen and method for mounting fpc |
| JP2017509041A (en) * | 2013-12-24 | 2017-03-30 | 昆山維信諾顕示技術有限公司Ｋｕｎｓｈａｎ Ｖｉｓｉｏｎｏｘ Ｄｉｓｐｌａｙ Ｃｏ．，Ｌｔｄ． | Capacitive touch screen FPC and mounting method thereof |
| US10162455B2 (en) | 2013-12-24 | 2018-12-25 | Kunshan Visionox Display Co., Ltd. | FPC of a capacitive touchscreen and a method for mounting the FPC |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3297084B2 (en) | 2002-07-02 |
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| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |