JPH0624858Y2 - Display panel - Google Patents
Display panelInfo
- Publication number
- JPH0624858Y2 JPH0624858Y2 JP1988149163U JP14916388U JPH0624858Y2 JP H0624858 Y2 JPH0624858 Y2 JP H0624858Y2 JP 1988149163 U JP1988149163 U JP 1988149163U JP 14916388 U JP14916388 U JP 14916388U JP H0624858 Y2 JPH0624858 Y2 JP H0624858Y2
- Authority
- JP
- Japan
- Prior art keywords
- display panel
- flexible cable
- electrode terminals
- glass substrate
- insulating film
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Description
【考案の詳細な説明】 〔産業上の利用分野〕 本考案は、表示パネルに関し、特にそのリード接続部の
構造に関する。[Detailed Description of the Invention] [Industrial field of application] The present invention relates to a display panel, and more particularly to the structure of a lead connecting portion thereof.
従来、この種の表示パネルのリード接続部は、第２図に
示すように表示パネル８のガラス基板４の端部に形成さ
れている電極端子３（銀が使用される）に、フレキシブ
ルケーブル１の端部の片面の絶縁被覆を剥離し露出した
銅箔線２を半田付けした後、端子部をフレキシケーブル
１の上から樹脂７で被覆した構造となっていた。Conventionally, the lead connecting portion of this type of display panel has a flexible cable 1 connected to an electrode terminal 3 (using silver) formed on an end portion of a glass substrate 4 of the display panel 8 as shown in FIG. After the insulating coating on one side of the end is peeled off and the exposed copper foil wire 2 is soldered, the terminal portion is covered with resin 7 on the flexi cable 1.
上述した従来の表示パネルは、リード接続部のフレキシ
ブルケーブルと表示パネルの電極端子の間に樹脂がはい
りこまないので、この部分から湿気が侵入してマイグレ
ーションを起こすという欠点がある。The conventional display panel described above has a drawback in that since resin does not enter between the flexible cable of the lead connection portion and the electrode terminal of the display panel, moisture enters from this portion to cause migration.
また、フレキシブルケーブルの端部を両面絶縁被覆を剥
離して電極端子に接続する場合には、端子部を樹脂で完
全に被覆できるためマイグレーションはおきないが、半
田付作業時にリードピッチが乱れ易く作業が困難になる
という欠点がある。Also, when the ends of the flexible cable are connected to the electrode terminals by removing the double-sided insulation coating, the terminals can be completely covered with resin so migration does not occur, but the lead pitch is easily disturbed during soldering work. Has the drawback that it becomes difficult.
本考案は、ガラス基板に複数の電極端子を形成し、該電
極端子を電気的にパネル外に導出するフレキシブルケー
ブルを有する表示パネルにおいて、前記電極端子はガラ
ス基板端面に接する金属膜でできた第１の部分とその内
側の絶縁体膜で被覆された第２の部分から成り、前記フ
レキシブルケーブルは先端部が少なくとも片面が絶縁被
膜でコートされた第３の部分と銅箔が露出した第４の部
分からなり、前記フレキシブルケーブルと電極端子は、
前記第１の部分と第４の部分，第２の部分と第３の部分
が重なり接合され接合部分全体が樹脂コートされている
ことを特徴とする。The present invention relates to a display panel having a plurality of electrode terminals formed on a glass substrate and a flexible cable for electrically leading the electrode terminals out of the panel, wherein the electrode terminals are made of a metal film in contact with an end surface of the glass substrate. The flexible cable is composed of a first portion and a second portion covered with an insulating film, and the flexible cable has a third portion at which one end is coated with an insulating film and a fourth portion where the copper foil is exposed. The flexible cable and the electrode terminal are
The first portion and the fourth portion, the second portion and the third portion are overlapped and joined, and the entire joined portion is resin-coated.
次に、本考案について図面を参照して説明する。第１図
は本考案の一実施例の平面図である。表示パネル８のガ
ラス基板４の端部には複数の電極端子（銀端子）３が設
けられている。一方、フレキシブルケーブル１の端部を
銅箔線２のピッチを乱さないようにするためのピッチ乱
れ防止用被覆部６を残し両面の絶縁被覆を剥離して銅箔
線２を露出させる。この露出した銅箔線２の部分を表示
パネルのガラス基板４に形成した電極端子３に半田付け
する。電極端子３のピッチ乱れ防止用被覆部６と重なる
部分はガラス等の絶縁体膜５で被覆されている。半田付
け部およびピッチ乱れ防止用被覆部６を含む全体は樹脂
７で被覆される。なお表示パネルの端子幅をたとえば４
mmとした時、ピッチ乱れ防止用被覆部６及び絶縁体膜５
の幅は２mm程度である。Next, the present invention will be described with reference to the drawings. FIG. 1 is a plan view of an embodiment of the present invention. A plurality of electrode terminals (silver terminals) 3 are provided at the end of the glass substrate 4 of the display panel 8. On the other hand, the insulating coating on both surfaces is peeled off to expose the copper foil wire 2 while leaving the pitch disturbance preventing coating portion 6 for preventing the pitch of the copper foil wire 2 from being disturbed at the end portion of the flexible cable 1. The exposed portion of the copper foil wire 2 is soldered to the electrode terminal 3 formed on the glass substrate 4 of the display panel. A portion of the electrode terminal 3 that overlaps with the pitch disturbance prevention coating portion 6 is coated with an insulating film 5 such as glass. The entire portion including the soldering portion and the pitch disorder prevention coating portion 6 is covered with the resin 7. The terminal width of the display panel is, for example, 4
When the thickness is set to mm, the pitch disturbance prevention coating portion 6 and the insulating film 5 are formed.
Width is about 2 mm.
本実施例によれば、半田付け作業時にリードピッチが乱
れることがなくなり、かつ電極端子３は樹脂７及び絶縁
体膜５で完全に被覆されているためマイグレーションを
完全に防ぐことができる。According to this embodiment, the lead pitch is not disturbed during the soldering work, and the electrode terminals 3 are completely covered with the resin 7 and the insulating film 5, so that the migration can be completely prevented.
以上説明したように本考案は、フレキシブルケーブルの
半田付部の被覆を取りさることにより電極端子を樹脂で
完全に被覆することができるのでマイグレーションを防
ぐことができる。また、フレキシブルケーブルの先端に
ピッチ乱れ防止用被覆部を有することにより半田付け作
業時のリードピッチ乱れを防止でき、ピッチ乱れ防止用
被覆部と銀電極端子の間には絶縁体膜があるため、この
部分のマイグレーションを防げるという効果がある。As described above, according to the present invention, migration can be prevented because the electrode terminals can be completely covered with the resin by removing the covering of the soldered portion of the flexible cable. Also, by having a pitch disturbance prevention coating portion at the tip of the flexible cable, it is possible to prevent lead pitch disturbance during soldering work, and because there is an insulator film between the pitch disturbance prevention coating portion and the silver electrode terminal, There is an effect that migration of this portion can be prevented.
第１図は本考案の表示パネルの一実施例の平面図、第２
図は従来の表示パネルの平面図である。 １……フレキシブルケーブル、２……銅箔部、３……電
極端子、４……ガラス基板、５……絶縁体膜、６……ピ
ッチ乱れ防止用被覆部、７……樹脂、８……表示パネ
ル。FIG. 1 is a plan view of an embodiment of the display panel of the present invention, and FIG.
The figure is a plan view of a conventional display panel. 1 ... Flexible cable, 2 ... Copper foil part, 3 ... Electrode terminal, 4 ... Glass substrate, 5 ... Insulator film, 6 ... Pitch disturbance prevention coating part, 7 ... Resin, 8 ... Display panel.
Claims (1)
電極端子を電気的にパネル外に導出するフレキシブルケ
ーブルを有する表示パネルにおいて、前記電極端子はガ
ラス基板端面に接する金属膜でできた第１の部分とその
内側の絶縁体膜で被覆された第２の部分から成り、前記
フレキシブルケーブルは先端部が少なくとも片面が絶縁
被膜でコートされた第３の部分と銅箔が露出した第４の
部分からなり、前記フレキシブルケーブルと電極端子
は、前記第１の部分と第４の部分，第２の部分と第３の
部分が重なり接合され接合部分全体が樹脂コートされて
いることを特徴とする表示パネル。1. A display panel having a flexible cable for forming a plurality of electrode terminals on a glass substrate and electrically guiding the electrode terminals to the outside of the panel, wherein the electrode terminals are made of a metal film in contact with an end surface of the glass substrate. The flexible cable comprises a first part and a second part covered with an insulating film inside the first part, and the flexible cable has a third part having at least one surface coated with an insulating film and a fourth part where the copper foil is exposed. In the flexible cable and the electrode terminal, the first portion and the fourth portion, the second portion and the third portion are overlapped and joined, and the entire joined portion is resin-coated. Display panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988149163U JPH0624858Y2 (en) | 1988-11-15 | 1988-11-15 | Display panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988149163U JPH0624858Y2 (en) | 1988-11-15 | 1988-11-15 | Display panel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0269379U JPH0269379U (en) | 1990-05-25 |
| JPH0624858Y2 true JPH0624858Y2 (en) | 1994-06-29 |
Family
ID=31421143
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988149163U Expired - Fee Related JPH0624858Y2 (en) | 1988-11-15 | 1988-11-15 | Display panel |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0624858Y2 (en) |
-
1988
- 1988-11-15 JP JP1988149163U patent/JPH0624858Y2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0269379U (en) | 1990-05-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |