JPH0792478A - Liquid crystal display device - Google Patents
Liquid crystal display deviceInfo
- Publication number
- JPH0792478A JPH0792478A JP23349493A JP23349493A JPH0792478A JP H0792478 A JPH0792478 A JP H0792478A JP 23349493 A JP23349493 A JP 23349493A JP 23349493 A JP23349493 A JP 23349493A JP H0792478 A JPH0792478 A JP H0792478A
- Authority
- JP
- Japan
- Prior art keywords
- liquid crystal
- crystal display
- external connection
- terminal
- connection terminal
- 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
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
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/11—Printed elements for providing electric connections to or between printed circuits
- H05K1/117—Pads along the edge of rigid circuit boards, e.g. for pluggable connectors
Landscapes
- Liquid Crystal (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
Description
【0001】[0001]
【産業上の利用分野】本発明は液晶表示装置に関し、更
に詳しく言えば、COG(Chip On Glass )−LCDの
電極配線の外部接続端子の改善に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a liquid crystal display device, and more particularly to improvement of external connection terminals of electrode wiring of COG (Chip On Glass) -LCD.
【0002】[0002]
【従来の技術】以下で従来例に係る液晶表示装置につい
て説明する。従来例に係る液晶表示装置は、液晶表示部
がその上に形成された透明基板上に、液晶表示部の駆動
に係る駆動回路が一体化して形成されている液晶表示装
置〔以下このような構造の液晶表示装置をCOG−LC
Dと称する〕である。2. Description of the Related Art A liquid crystal display device according to a conventional example will be described below. A liquid crystal display device according to a conventional example is a liquid crystal display device in which a drive circuit for driving the liquid crystal display unit is integrally formed on a transparent substrate on which the liquid crystal display unit is formed [hereinafter, such a structure will be described. Liquid crystal display device of COG-LC
It is called D].
【0003】COG−LCDの駆動回路が外部機器との
コンタクトをとる方法としては、ヒートシールなどの
配線フィルムを用いる方法や、ピンを用いる方法など
がある。ここで配線フィルムとは、例えば先端に熱圧着
用の糊剤が付いたヒートシールケーブル、先端に半田付
け用の舌片が付いたフラットケーブルおよび先端に異方
性導電接着剤が付いたフレキシブルケーブル等である。As a method for the drive circuit of the COG-LCD to make contact with an external device, there are a method of using a wiring film such as heat seal and a method of using a pin. Here, the wiring film is, for example, a heat-seal cable with a glue for thermocompression bonding on the tip, a flat cable with a tongue for soldering on the tip, and a flexible cable with an anisotropic conductive adhesive on the tip. Etc.
【0004】最初に図5,6に上記の配線フィルムを
用いるCOG−LCDを示す。当該装置は、図5に示す
ように、液晶表示部(1)と、それを駆動する駆動回路
(2)とがガラスなどからなる透明基板上に形成され、
駆動回路(2)と、外部機器とのコンタクトをとるため
の外部端子である配線フィルム用端子(3)が形成され
ている。First, FIGS. 5 and 6 show a COG-LCD using the above wiring film. In the device, as shown in FIG. 5, a liquid crystal display unit (1) and a drive circuit (2) for driving the liquid crystal display unit (1) are formed on a transparent substrate made of glass or the like,
A drive circuit (2) and a wiring film terminal (3) which is an external terminal for making contact with an external device are formed.
【0005】当該COG−LCDと外部機器とのコンタ
クトをとる際には、図6に示すように、フィルム上に配
線パターンが形成されてなる配線フィルム(4)を用い
て、配線フィルム(4)側の接続端子と、COG−LC
D側の配線フルム用端子(3)とを熱圧着することによ
って配線フィルム(4)をCOG−LCDに接着し、同
時に電気的に接続することでコンタクトをとっていた。When a contact is made between the COG-LCD and an external device, a wiring film (4) having a wiring pattern formed on the film is used as shown in FIG. Side connection terminal and COG-LC
The wiring film (4) was adhered to the COG-LCD by thermocompression bonding with the wiring flume terminal (3) on the D side, and at the same time, a contact was made by electrically connecting.
【0006】次に、上記のピンを用いるCOG−LC
Dを示す。当該装置は、図7に示すように、上記の装
置と同様の構成を有し、駆動回路(2)と、外部機器と
のコンタクトをとるための外部端子がピン用端子(5)
であるという点だけが異なる。当該COG−LCDと外
部機器とのコンタクトをとる際には、図8に示すよう
に、金属からなるピン(6)をピン用端子(5)に圧着
することでコンタクトをとっていた。Next, COG-LC using the above pins
D is shown. As shown in FIG. 7, the device has the same configuration as the device described above, and the drive circuit (2) and an external terminal for making contact with an external device are pin terminals (5).
The only difference is that When making contact between the COG-LCD and an external device, as shown in FIG. 8, a pin (6) made of metal is pressure-bonded to the pin terminal (5) to make contact.
【0007】[0007]
【発明が解決しようとする課題】しかしながら、従来例
に係る液晶表示装置によると、以下に示すような問題が
生じる。すなわち、上記の図5に示す配線フィルム用端
子(3)のピッチは配線フィルム側の配線形成の都合
上、作り込み易いピッチの要求から通常1mm程度であ
り、図7に示すピン用端子(5)のピッチはコネクタの
規格から通常1/10インチすなわち2.54mm程度が
一般的に要求されるので、両者のピッチは非常に異な
る。However, the liquid crystal display device according to the conventional example has the following problems. That is, the pitch of the wiring film terminal (3) shown in FIG. 5 is usually about 1 mm due to the requirement of a pitch that is easy to fabricate for the convenience of wiring formation on the wiring film side, and the pin terminal (5) shown in FIG. The pitch of 2) is generally required to be about 1/10 inch, that is, about 2.54 mm from the standard of the connector, so the pitch of both is very different.
【0008】このため、例えば図5に示すような配線フ
ィルム用端子(3)が形成されたCOG−LCDに、ピ
ンを接続してコンタクトをとるなどというように、一つ
のCOG−LCDを用いて配線フィルムとピンとの両方
に対応することはできなかった。よって、ユーザーの要
求に合わせて、同一のCOG−LCDをピン用、配線フ
ィルム用のそれぞれ対応するように2種類設計・製造し
なければならず、設計費と製造費が二重に必要になり、
不経済であるという問題が生じていた。Therefore, one COG-LCD is used, for example, by connecting a pin to a COG-LCD having a wiring film terminal (3) as shown in FIG. 5 to make a contact. It was not possible to deal with both wiring film and pins. Therefore, it is necessary to design and manufacture two types of the same COG-LCD for the pin and the wiring film, respectively, according to the user's request, which requires double design cost and manufacturing cost. ,
There was a problem of being uneconomical.
【0009】[0009]
【課題を解決するための手段】本発明は上記従来の欠点
に鑑み成されたもので、図1に示すように、液晶表示部
(11)と該液晶表示部(11)の駆動に係る駆動回路
(12)が透明基板(10)上に一体化して形成されて
なる液晶表示装置であって、前記駆動回路(12)の外
部接続端子として、第1の外部接続端子(13)と、該
第1の外部接続端子(13)と形成間隔が異なる第2の
外部接続端子(14)との2種類の接続端子が、同一の
引出し配線上に形成されてなることにより、配線フィル
ムとピンなどのように、形成間隔が異なる接続媒体の両
方に対応し、コストダウンが可能になる液晶表示装置を
提供するものである。The present invention has been made in view of the above-mentioned drawbacks of the prior art. As shown in FIG. 1, a liquid crystal display section (11) and a driving method for driving the liquid crystal display section (11) are provided. A liquid crystal display device in which a circuit (12) is integrally formed on a transparent substrate (10), wherein a first external connection terminal (13) and an external connection terminal (13) are provided as external connection terminals of the drive circuit (12). Two types of connection terminals, that is, the first external connection terminal (13) and the second external connection terminal (14) having a different formation interval are formed on the same lead wiring, so that a wiring film, a pin, etc. As described above, the present invention provides a liquid crystal display device that is compatible with both connection media having different formation intervals and enables cost reduction.
【0010】[0010]
【作 用】本発明に係る液晶表示装置によれば、図1に
示すように、駆動回路(12)の外部接続端子として、
第1の外部接続端子(13)と、該第1の外部接続端子
(13)と形成間隔が異なる第2の外部接続端子(1
4)との2種類の接続端子が、同一の引出し配線上に形
成されてなる。[Operation] According to the liquid crystal display device of the present invention, as shown in FIG. 1, as an external connection terminal of the drive circuit (12),
A first external connection terminal (13) and a second external connection terminal (1) having a formation interval different from that of the first external connection terminal (13).
4) and two types of connection terminals are formed on the same lead wiring.
【0011】このため、外部機器とのコンタクトをとる
媒体〔以下接続媒体と称する〕が例えば配線フィルムと
ピンなどのように、形成間隔が異なる接続媒体であった
としても、その両方に対応して接続することができるの
で、従来のように、同一のCOG−LCDについてそれ
ぞれの接続端子に対応する2種類のCOG−LCDをわ
ざわざ設計・製造する必要がなくなり、設計及び製造が
1種類のみで済むので、従来に比して大幅なコストダウ
ンが可能になる。Therefore, even if a medium for making contact with an external device [hereinafter referred to as a connection medium] is a connection medium having different formation intervals such as a wiring film and a pin, it is possible to handle both of them. Since they can be connected, there is no need to bother to design and manufacture two types of COG-LCDs corresponding to each connection terminal for the same COG-LCD, and only one type of design and manufacturing is required. Therefore, it is possible to significantly reduce the cost as compared with the conventional one.
【0012】[0012]
【実施例】以下に本発明の実施例に係る液晶表示装置に
ついて図面を参照しながら説明する。なお、図1は本発
明の実施例に係る液晶表示装置の上面図であって、図2
は図1のA−A線断面図である。本発明の実施例に係る
従来例に係る液晶表示装置は、図1,図2に示すよう
に、液晶表示部(11)がその上に形成された透明基板
(10)上に、駆動用LSI(12A)を始めとする液
晶表示部(11)の駆動に係る駆動回路(12)が一体
化して形成されてなるCOG−LCDである。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Liquid crystal display devices according to embodiments of the present invention will be described below with reference to the drawings. 1 is a top view of the liquid crystal display device according to the embodiment of the present invention.
2 is a sectional view taken along the line AA of FIG. As shown in FIGS. 1 and 2, a liquid crystal display device according to a conventional example according to an embodiment of the present invention includes a driving LSI on a transparent substrate (10) on which a liquid crystal display unit (11) is formed. A COG-LCD in which a drive circuit (12) for driving the liquid crystal display section (11) including (12A) is integrally formed.
【0013】本実施例に係るCOG−LCDによれば、
図1に示すように、駆動回路(12)と外部機器とのコ
ンタクトをとるための外部接続端子が同一配線上に2種
類設けられている。その一つは配線フィルムとの接続を
する配線フィルム用端子(13)であって、あとはピン
との接続をするためのピン用端子(14)である。配線
フィルム用端子(13)は配線フィルムのピッチに合わ
せて1mm程度のピッチで形成されており、ピン用端子
(14)はコネクタの規格から2.54mm程度のピッチ
で形成されている。According to the COG-LCD of this embodiment,
As shown in FIG. 1, two types of external connection terminals for making contact between the drive circuit (12) and an external device are provided on the same wiring. One of them is a wiring film terminal (13) for connection with a wiring film, and the other is a pin terminal (14) for connection with a pin. The wiring film terminals (13) are formed at a pitch of about 1 mm according to the wiring film pitch, and the pin terminals (14) are formed at a pitch of about 2.54 mm according to the connector standard.
【0014】このため、例えば配線フィルムを用いてコ
ンタクトをとる際には図3に示すように、配線フィルム
用端子(13)に配線フィルム(15)を熱圧着によっ
て接続し、ピンを用いてコンタクトをとる際には図4に
示すように、ピン用端子(14)にピン(16)を圧着
すればよく、1つのCOG−LCDで配線フィルム(1
5)とピン(16)との両方に対応することが可能にな
る。Therefore, for example, when a contact is made using a wiring film, as shown in FIG. 3, the wiring film (15) is connected to the wiring film terminal (13) by thermocompression bonding, and the contact is made using a pin. When taking out, as shown in FIG. 4, the pin (16) may be pressure-bonded to the pin terminal (14) and the wiring film (1
It is possible to accommodate both 5) and the pin (16).
【0015】これにより、従来のように、同一のCOG
−LCDについてそれぞれの接続端子に対応する2種類
のCOG−LCDをわざわざ設計・製造する必要がなく
なり、設計及び製造が1種類のみで済むので、従来に比
して1/2程度のコストで足り、大幅なコストダウンが
可能になる。As a result, the same COG as in the conventional case can be obtained.
-For LCDs, there is no need to bother to design and manufacture two types of COG-LCDs corresponding to each connection terminal, and only one type of design and manufacturing is required, so the cost is about half that of conventional products. , A significant cost reduction is possible.
【0016】[0016]
【発明の効果】以上説明したように、本発明に係る液晶
表示装置によれば、駆動回路(12)の外部接続端子と
して、第1の外部接続端子(13)と、該第1の外部接
続端子(13)と形成間隔が異なる第2の外部接続端子
(14)との2種類の接続端子が同一引出し配線部に形
成されてなる。As described above, according to the liquid crystal display device of the present invention, the first external connection terminal (13) and the first external connection terminal are provided as the external connection terminals of the drive circuit (12). Two types of connection terminals, that is, the terminal (13) and the second external connection terminal (14) having a different formation interval, are formed in the same lead wiring portion.
【0017】このため、形成間隔が異なる接続媒体の両
方に対応して接続することができるので、従来に比して
大幅なコストダウンが可能になる。Therefore, since it is possible to connect to both connection media having different formation intervals, it is possible to significantly reduce the cost as compared with the conventional one.
【図1】本発明の実施例に係る液晶表示装置の上面図で
ある。FIG. 1 is a top view of a liquid crystal display device according to an embodiment of the present invention.
【図2】本発明の実施例に係る液晶表示装置の断面図で
ある。FIG. 2 is a sectional view of a liquid crystal display device according to an embodiment of the present invention.
【図3】本発明の実施例に係る液晶表示装置の使用方法
を説明する第1の上面図である。FIG. 3 is a first top view illustrating a method of using the liquid crystal display device according to the embodiment of the present invention.
【図4】本発明の実施例に係る液晶表示装置の使用方法
を説明する第2の上面図である。FIG. 4 is a second top view illustrating a method of using the liquid crystal display device according to the embodiment of the present invention.
【図5】従来例に係る第1の液晶表示装置の構成を示す
上面図である。FIG. 5 is a top view showing a configuration of a first liquid crystal display device according to a conventional example.
【図6】従来例に係る第1の液晶表示装置の使用方法を
説明する図である。FIG. 6 is a diagram illustrating a method of using the first liquid crystal display device according to the conventional example.
【図7】従来例に係る第2の液晶表示装置の構成を示す
上面図である。FIG. 7 is a top view showing a configuration of a second liquid crystal display device according to a conventional example.
【図8】従来例に係る第2の液晶表示装置の使用方法を
説明する図である。FIG. 8 is a diagram illustrating a method of using the second liquid crystal display device according to the conventional example.
(10) 透明基板 (11) 液晶表示部 (12) 駆動回路 (12A) 駆動用LSI (13) 配線フィルム用端子(第1の外部接続端
子) (14) ピン用端子(第2の外部接続端子) (15) 配線フィルム (16) ピン(10) Transparent substrate (11) Liquid crystal display (12) Drive circuit (12A) Drive LSI (13) Wiring film terminal (first external connection terminal) (14) Pin terminal (second external connection terminal) ) (15) Wiring film (16) Pin
Claims (2)
1)の駆動に係る駆動回路(12)が透明基板(10)
上に一体化して形成されてなる液晶表示装置であって、 前記駆動回路(12)の外部接続端子として、第1の外
部接続端子(13)と、該第1の外部接続端子(13)
と形成間隔が異なる第2の外部接続端子(14)との2
種類の接続端子が、同一の引出し配線上に形成されてな
ることを特徴とする液晶表示装置。1. A liquid crystal display unit (11) and the liquid crystal display unit (1)
The drive circuit (12) for driving 1) is a transparent substrate (10).
A liquid crystal display device integrally formed on the above, comprising: a first external connection terminal (13) and a first external connection terminal (13) as external connection terminals of the drive circuit (12).
And a second external connection terminal (14) having a different formation interval.
A liquid crystal display device, wherein different types of connection terminals are formed on the same lead wiring.
1)の駆動に係る駆動回路(12)が透明基板(10)
上に一体化して形成されてなる液晶表示装置であって、 前記駆動回路(12)の外部接続端子として、第1の外
部接続端子(13)と、該第1の外部接続端子(13)
と形成間隔が異なる第2の外部接続端子(14)との2
種類の接続端子が、同一の引出し配線上に形成されてな
り、 前記第1の外部接続端子(13)は配線フィルムに接続
される接続端子であって、前記第2の外部接続端子(1
4)はピンに接続される接続端子であることを特徴とす
る液晶表示装置。2. A liquid crystal display section (11) and the liquid crystal display section (1)
The drive circuit (12) for driving 1) is a transparent substrate (10).
A liquid crystal display device integrally formed on the above, comprising: a first external connection terminal (13) and a first external connection terminal (13) as external connection terminals of the drive circuit (12).
And a second external connection terminal (14) having a different formation interval.
Different types of connection terminals are formed on the same lead wiring, the first external connection terminal (13) is a connection terminal connected to a wiring film, and the second external connection terminal (1
4) is a liquid crystal display device characterized by being a connection terminal connected to a pin.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP23349493A JPH0792478A (en) | 1993-09-20 | 1993-09-20 | Liquid crystal display device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP23349493A JPH0792478A (en) | 1993-09-20 | 1993-09-20 | Liquid crystal display device |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0792478A true JPH0792478A (en) | 1995-04-07 |
Family
ID=16955901
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP23349493A Pending JPH0792478A (en) | 1993-09-20 | 1993-09-20 | Liquid crystal display device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0792478A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100480860B1 (en) * | 1997-03-28 | 2005-08-05 | 삼성전자주식회사 | LCD Display |
US6930744B1 (en) * | 1999-05-14 | 2005-08-16 | Nec Lcd Technologies, Ltd. | LCD device having test contact pads |
WO2013015141A1 (en) * | 2011-07-27 | 2013-01-31 | 住友化学株式会社 | Display device and method for producing same |
-
1993
- 1993-09-20 JP JP23349493A patent/JPH0792478A/en active Pending
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100480860B1 (en) * | 1997-03-28 | 2005-08-05 | 삼성전자주식회사 | LCD Display |
US6930744B1 (en) * | 1999-05-14 | 2005-08-16 | Nec Lcd Technologies, Ltd. | LCD device having test contact pads |
WO2013015141A1 (en) * | 2011-07-27 | 2013-01-31 | 住友化学株式会社 | Display device and method for producing same |
JP2013029568A (en) * | 2011-07-27 | 2013-02-07 | Sumitomo Chemical Co Ltd | Display device and method for manufacturing the same |
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