JPH0420933A - Liquid crystal display device - Google Patents
Liquid crystal display deviceInfo
- Publication number
- JPH0420933A JPH0420933A JP12412590A JP12412590A JPH0420933A JP H0420933 A JPH0420933 A JP H0420933A JP 12412590 A JP12412590 A JP 12412590A JP 12412590 A JP12412590 A JP 12412590A JP H0420933 A JPH0420933 A JP H0420933A
- Authority
- JP
- Japan
- Prior art keywords
- printed circuit
- circuit board
- liquid crystal
- crystal display
- display device
- 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
- H05K1/14—Structural association of two or more printed circuits
-
- 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
- H05K3/36—Assembling printed circuits with other printed circuits
- H05K3/361—Assembling flexible printed circuits with other printed circuits
Landscapes
- Liquid Crystal (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
［産業上の利用分野コ
本発明は周辺に装置駆動用ＩＣおよびプリント回路基板
を配する液晶表示装置に係り、特に、装置駆動用ＩＣの
交換の場合の作業性、経済性を向上させたＩＣ−プリン
ト回路基板接続を有する液晶表示装置に関する。DETAILED DESCRIPTION OF THE INVENTION [Industrial Field of Application] The present invention relates to a liquid crystal display device in which a device driving IC and a printed circuit board are disposed around the device, and in particular, it improves workability when replacing the device driving IC, The present invention relates to a liquid crystal display device having an IC-printed circuit board connection with improved economic efficiency.
［従来の技術］
液晶表示装置駆動用ドライバー（ＩＣ）の実装構成とし
ては、初期においては、第３図に示すようなＴＡＢ（Ｔ
ａｐｅ Ａｕｔｏｍａｔｅｄ Ｂｏｎｄｉｎｇ） ９と
プリント回路基板ＩＯとの組合せが用いられていたが、
その実装面積を／Ｊ％さくし、かつ不良ドライバーの交
換を容易にする実装方法として、その後、特開昭節６３
−１０４０７８号記載のような方法が提案されている。[Prior Art] In the early stage, the mounting structure of a driver (IC) for driving a liquid crystal display device was TAB (T
Ape Automated Bonding) 9 and a printed circuit board IO were used,
As a mounting method that reduced the mounting area by /J% and facilitated the replacement of defective drivers, JP-A No. 63
A method as described in No.-104078 has been proposed.
すなわち、概略第４図に示すように、−枚のフレキシブ
ル基板７上に装置駆動用ＩＣチップｌを複数個配設し、
該ＩＣチップ間の配線もこのフレキシブル基板上で行う
ことによってドライバーの実装面積を小さくシ、また、
ＩＣの１個が不良であった場合には予め準備した修理用
フレキシブル基板を配することによってＩＣの交換を短
時間でできるようにするというものである。That is, as schematically shown in FIG. 4, a plurality of device driving IC chips 1 are disposed on - number of flexible substrates 7,
Wiring between the IC chips is also done on this flexible board, which reduces the mounting area of the driver.
If one of the ICs is defective, a pre-prepared flexible board for repair is provided so that the IC can be replaced in a short time.
［発明が解決しようとする課題］
しかしながら、上記従来技術においては実装されたＩＣ
が不良であった場合のＩＣ交換についての配慮が未だ十
分ではないため、−枚のフレキシブル基板上に配設した
複数個のＩＣの内１個のＩＣに不良が発生した場合、当
該のＩＣのみを交換することができるとしても、その交
換にはフレキシブル基板上の他の配線との位置合わせを
行った上で個別に接続する必要があり、手数がかかり、
コストが増大するという問題があった。[Problem to be solved by the invention] However, in the above conventional technology, the mounted IC
Because there is still insufficient consideration for IC replacement in the event that the Even if it is possible to replace the wiring, replacing it requires aligning it with other wiring on the flexible board and connecting it individually, which is time-consuming and time-consuming.
There was a problem of increased costs.
本発明の目的は、上記従来技術の有していた課題を解決
して、ＩＣ交換の場合の作業性、経済性を向上させたＩ
Ｃ−プリント回路基板接続を有する液晶表示装置を提供
することにある。An object of the present invention is to solve the problems of the prior art described above, and to improve workability and economic efficiency in IC replacement.
An object of the present invention is to provide a liquid crystal display device having a C-printed circuit board connection.
［課題を解決するための手段］
上記目的は、周辺に装置駆動用ＩＣおよびプリント回路
基板を配する液晶表示装置において、上記プリント回路
基板を１ＩＣチップごとに設けたフレキシブルプリント
回路基板とすることによって達成することができる。[Means for Solving the Problems] The above object is achieved by forming a flexible printed circuit board in which the printed circuit board is provided for each IC chip in a liquid crystal display device in which a device driving IC and a printed circuit board are arranged around the periphery. can be achieved.
［作用コ
プリント回路基板を１ＩＣチップごとに設けたフレキシ
ブルプリント回路基板とすることによって、ＴＡＢとプ
リント回路基板との両者の特徴を同時に兼ね備えた１Ｉ
Ｃごとのフレキシブルプリント回路基板が形成されるこ
とになり、これによって、フレキシブルプリント回路基
板上にあるＩＣに不良が発生した場合にも不良ＩＣの交
換をフレキシブルプリント回路基板を含むＩＩｃチップ
ごとに行うことが可能になり、工数の低減を図ることが
できる。[By using a flexible printed circuit board in which each IC chip is provided as a co-printed circuit board, the 1I board has the characteristics of both a TAB and a printed circuit board at the same time.
A flexible printed circuit board will be formed for each IIc chip, so that even if an IC on the flexible printed circuit board becomes defective, the defective IC will be replaced for each IIc chip including the flexible printed circuit board. This makes it possible to reduce the number of man-hours.
また、上記のような構成とすることによって、ＩＣチッ
プを搭載したフレキシブルプリント回路基板を予め個別
に検査することができ、組み立てた後での不良の発見を
未然に防止することができるという効果も得られる。In addition, by adopting the above configuration, it is possible to individually inspect the flexible printed circuit boards on which IC chips are mounted, and it is possible to prevent defects from being discovered after assembly. can get.
［実施例］
以下、本発明液晶表示装置について実施例によって具体
的に説明する。[Examples] Hereinafter, the liquid crystal display device of the present invention will be specifically explained using examples.
第１図はＩＩｃチップごとに設けたフレキシブルプリン
ト回路基板の一実施例の構成を示す図で、フレキシブル
プリント回路基板２上に設けたＩＣチップ１、ＩＣ入力
端子３、ＩＣ出力端子４、スルーホール５等からなるＩ
Ｃ搭載フレキシブルプリント回路基板であることを示す
。ここで、入力端子３は左右側部に設けてあり、隣接す
るプリント回路基板の左右の端子３同士をつないでスル
ーとすることができる構成としである。また、ＩＣチッ
プ１への入力はスルーホール５を用いて行い、出力端子
４は、ＴＡＢの場合と同様に、液晶表示素子接続用端子
として用いる。なお、フレキシブルプリント回路基板同
士の接続を容易にするために、左右の入力端子３を設け
る面を一方は表面側、他方は裏面側として、相互の左右
端部を重ねあわせることによって隣接する回路基板相互
間の接続ができる構成としである。FIG. 1 is a diagram showing the configuration of an embodiment of a flexible printed circuit board provided for each IIc chip, in which an IC chip 1, an IC input terminal 3, an IC output terminal 4, and a through hole are provided on a flexible printed circuit board 2. I consisting of 5 mag.
Indicates that it is a C-mounted flexible printed circuit board. Here, the input terminals 3 are provided on the left and right sides, and the configuration is such that the left and right terminals 3 of adjacent printed circuit boards can be connected to each other to form a through-hole. Further, input to the IC chip 1 is performed using the through hole 5, and the output terminal 4 is used as a terminal for connecting a liquid crystal display element, as in the case of TAB. In order to facilitate the connection between flexible printed circuit boards, one side on which the left and right input terminals 3 are provided is the front side, and the other side is the back side, and by overlapping the left and right ends of the two, it is possible to connect the adjacent circuit boards. This is a configuration that allows mutual connection.
第２図は第１図のＩＣ搭載フレキシブルプリント回路基
板の液晶表示素子（ＬＣＤ）への実装例を示した図であ
る。ここで、６はＬＣＤ、 ８は個別のＩＣ搭載フレキ
シブルプリント回路基板７間の接続部を示す。このよう
な構成とすることによって、−枚のフレキシブルプリン
ト回路基板に搭載されるＩＣチップは一個なので、ＩＣ
不良が発生した場合、該フレキシブルプリント回路基板
のみの交換で足りることとなり、工数の低減を図ること
ができる。FIG. 2 is a diagram showing an example of mounting the IC-mounted flexible printed circuit board of FIG. 1 on a liquid crystal display element (LCD). Here, 6 indicates an LCD, and 8 indicates a connecting portion between the individual IC-mounted flexible printed circuit boards 7. With this configuration, the number of IC chips mounted on the - flexible printed circuit boards is one, so the IC
If a defect occurs, it is sufficient to replace only the flexible printed circuit board, and the number of man-hours can be reduced.
また、ＩＣ搭載フレキシブルプリント回路基板７同士の
直接接続が可能となることによって、従来技術において
必要とした別個のプリント基板の準備が不要となる。Further, since the IC-mounted flexible printed circuit boards 7 can be directly connected to each other, there is no need to prepare a separate printed circuit board, which was required in the prior art.
［発明の効果］
以上述べてきたように、液晶表示装置を本発明構成の装
置とすることによって、従来技術の有していた課題を解
決して、ＩＣ交換の場合の作業性、経済性を向上させた
ＩＣ−プリント回路基板接続を有する液晶表示装置を提
供することができた。[Effects of the Invention] As described above, by making the liquid crystal display device into a device having the structure of the present invention, the problems of the prior art can be solved and the workability and economy in the case of IC replacement can be improved. It has been possible to provide a liquid crystal display device with an improved IC-printed circuit board connection.
第１図は本発明液晶表示装置の１ＩＣチップ搭載フレキ
シブルプリント回路基板の一実施例の構成を示す図、第
２図は第１図の１ＩＣチップ搭載フレキシブルプリント
回路基板を液晶表示素子に実装した液晶表示装置の概略
図、第３図は従来構成のＴＡＢとプリント基板との組合
せによる液晶表示装置を示す図、第４図は別の従来技術
の複数ＩＣチップ搭載フレキシブルプリント回路基板使
用液晶表示装置の概略構成を示した図である。
１・・・ＩＣチップ、 ２・・・フレキシブルプリ
ント回路基板、
３・・・ＩＣ入力端子、 ４・・・ＩＣＣ方力端子５・
・・スルーホール、６・・・液晶表示素子、７・・・Ｉ
ＣＰｒ載フレキシブルプリント回路基板、８・・・接続
部、
９・・・ＴＡＢ。
ＩＯ・・・プリント基板。
第２
図FIG. 1 is a diagram showing the structure of an embodiment of a flexible printed circuit board mounted with 1 IC chip of the liquid crystal display device of the present invention, and FIG. 2 shows a liquid crystal display in which the flexible printed circuit board mounted with 1 IC chip of FIG. 1 is mounted on a liquid crystal display element. A schematic diagram of a display device. FIG. 3 is a diagram showing a liquid crystal display device using a combination of a conventional TAB and a printed circuit board, and FIG. 4 is a diagram showing another conventional liquid crystal display device using a flexible printed circuit board equipped with multiple IC chips. FIG. 1 is a diagram showing a schematic configuration. DESCRIPTION OF SYMBOLS 1...IC chip, 2...Flexible printed circuit board, 3...IC input terminal, 4...ICC direction terminal 5.
...Through hole, 6...Liquid crystal display element, 7...I
CPr-mounted flexible printed circuit board, 8...connection section, 9...TAB. IO...Printed circuit board. Figure 2
Claims (1)
する液晶表示装置において、プリント回路基板を１ＩＣ
チップごとに設けたフレキシブルプリント回路基板とし
たことを特徴とする液晶表示装置。1. In a liquid crystal display device in which a device driving IC and a printed circuit board are arranged around the periphery, the printed circuit board is
A liquid crystal display device characterized by having a flexible printed circuit board provided for each chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12412590A JPH0420933A (en) | 1990-05-16 | 1990-05-16 | Liquid crystal display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12412590A JPH0420933A (en) | 1990-05-16 | 1990-05-16 | Liquid crystal display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0420933A true JPH0420933A (en) | 1992-01-24 |
Family
ID=14877548
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12412590A Pending JPH0420933A (en) | 1990-05-16 | 1990-05-16 | Liquid crystal display device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0420933A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH063684A (en) * | 1992-06-17 | 1994-01-14 | Sharp Corp | Tape carrier package for LCD driver IC |
| US5893623A (en) * | 1993-11-12 | 1999-04-13 | Seiko Epson Corporation | Structure and method for mounting semiconductor devices, and liquid crystal display |
| US6525718B1 (en) | 1997-02-05 | 2003-02-25 | Sharp Kabushiki Kaisha | Flexible circuit board and liquid crystal display device incorporating the same |
| US6870590B2 (en) * | 2000-08-10 | 2005-03-22 | Seiko Epson Corporation | Electrooptical unit with a flexible board and electronic apparatus |
| WO2012000969A1 (en) * | 2010-06-29 | 2012-01-05 | Agc Glass Europe | Glazing panel comprising a first sheet of glass, at least one internal electrical circuit and a connector |
-
1990
- 1990-05-16 JP JP12412590A patent/JPH0420933A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH063684A (en) * | 1992-06-17 | 1994-01-14 | Sharp Corp | Tape carrier package for LCD driver IC |
| US5893623A (en) * | 1993-11-12 | 1999-04-13 | Seiko Epson Corporation | Structure and method for mounting semiconductor devices, and liquid crystal display |
| US6525718B1 (en) | 1997-02-05 | 2003-02-25 | Sharp Kabushiki Kaisha | Flexible circuit board and liquid crystal display device incorporating the same |
| US6870590B2 (en) * | 2000-08-10 | 2005-03-22 | Seiko Epson Corporation | Electrooptical unit with a flexible board and electronic apparatus |
| WO2012000969A1 (en) * | 2010-06-29 | 2012-01-05 | Agc Glass Europe | Glazing panel comprising a first sheet of glass, at least one internal electrical circuit and a connector |
| BE1019392A3 (en) * | 2010-06-29 | 2012-06-05 | Agc Glass Europe | GLAZING PANEL COMPRISING A FIRST GLASS SHEET, AT LEAST ONE INTERNAL ELECTRIC CIRCUIT AND A CONNECTOR. |
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