JPH01136122A - Connecting method for liquid crystal display driving substrate - Google Patents
Connecting method for liquid crystal display driving substrateInfo
- Publication number
- JPH01136122A JPH01136122A JP29702287A JP29702287A JPH01136122A JP H01136122 A JPH01136122 A JP H01136122A JP 29702287 A JP29702287 A JP 29702287A JP 29702287 A JP29702287 A JP 29702287A JP H01136122 A JPH01136122 A JP H01136122A
- Authority
- JP
- Japan
- Prior art keywords
- lcd panel
- lcd
- conductive pattern
- panel terminal
- glass plate
- 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 description 6
- 238000000034 method Methods 0.000 title claims description 5
- 239000000758 substrate Substances 0.000 title abstract description 8
- 239000011521 glass Substances 0.000 claims abstract description 16
- 238000010438 heat treatment Methods 0.000 claims abstract description 4
- 238000003825 pressing Methods 0.000 claims abstract description 4
- 239000004020 conductor Substances 0.000 claims description 6
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229920003002 synthetic resin Polymers 0.000 description 2
- 239000000057 synthetic resin Substances 0.000 description 2
- 238000004519 manufacturing process 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
- H05K3/321—Assembling printed circuits with electric components, e.g. with resistor electrically connecting electric components or wires to printed circuits by conductive adhesives
-
- 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)
- Combinations Of Printed Boards (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は、液晶ディスプレイ(LCD)駆動基板とLC
Dパネル端子との接続方法に関する。[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a liquid crystal display (LCD) driving substrate and an LC
This relates to the connection method with the D panel terminal.
従来、この種のLCD駆動基板とLCDパネルの端子と
の接続は、第3図(a)、(b)に示すように、合成樹
脂製のLCD駆動基板2上にLCDパネル端子7に対応
するように導体パターン6を設け、導電パターン6とL
CDパネル端子7との間に異方性導電フィルム4を介在
させて重ね合わせLCD駆動基板2の上方から加熱押圧
して導電パターン6とLCDパネル端子7とを接続し電
気的導通をとっていた。Conventionally, the connection between this type of LCD drive board and the terminals of the LCD panel is as shown in FIGS. 3(a) and 3(b). The conductive pattern 6 is provided as shown in FIG.
The anisotropic conductive film 4 was interposed between the CD panel terminal 7 and the stacked LCD drive substrate 2 was heated and pressed from above to connect the conductive pattern 6 and the LCD panel terminal 7 to establish electrical continuity. .
上述した従来のLCD駆動基板の接続方法は、合成樹脂
製のLCD駆動基板2をガラス製のLCDパネル1の端
子に加熱押圧しているため、LCDパネル1ζLCD駆
動基板2との熱膨張係数の差により端子の接触不良やL
CDパネル1の破損が発生するという欠点があった。In the conventional method of connecting LCD drive boards described above, the LCD drive board 2 made of synthetic resin is heated and pressed to the terminals of the LCD panel 1 made of glass, so the difference in thermal expansion coefficient between the LCD panel 1 and the LCD drive board 2 This may cause poor terminal contact or L.
There was a drawback that the CD panel 1 was damaged.
本発明は、LCDパネルの端子とLCD駆動基板の導体
パターンとの間に異方性導電フィルムを介在させ重ね合
わせLCD駆動基板の背部より加熱押圧してパネル端子
と導体パターンを接続する液晶ディスプレイ駆動基板の
接続方法において、LCD駆動基板の導電パターン部に
圧接ガラス板を設け、導電パターンとLCDパネル端子
との間に異方性導電フィルムを介在させて圧接ガラス板
の背部から加熱押圧して接続することを特徴とする。The present invention provides a liquid crystal display drive in which an anisotropic conductive film is interposed between the terminals of an LCD panel and the conductor pattern of the LCD drive board, and the panel terminals and the conductor pattern are connected by heating and pressing from the back of the overlapping LCD drive board. In the board connection method, a press-contact glass plate is provided on the conductive pattern part of the LCD drive board, an anisotropic conductive film is interposed between the conductive pattern and the LCD panel terminal, and the connection is made by heating and pressing from the back of the press-contact glass plate. It is characterized by
上述した解決するための手段のうち圧接ガラス板は、ガ
ラス製のLCDパネルと同等の熱膨張係数を有するため
、導電パターンとLCDパネル端子の接触不良の問題が
解決できる。Among the above-mentioned means for solving the problem, the pressure-welded glass plate has a thermal expansion coefficient equivalent to that of a glass LCD panel, so that the problem of poor contact between the conductive pattern and the LCD panel terminal can be solved.
次に本発明について図面を参照して説明する。 Next, the present invention will be explained with reference to the drawings.
第1図(a)は本発明の第1の実施例の平面図。FIG. 1(a) is a plan view of a first embodiment of the present invention.
第1図(b)は第1図(a)のA−A断面図である。L
CDパネル1にはLCDパネル端子7が引き出されてい
る。一方、LCD駆動基板2の上にはLCDパネル端子
7に対応するように導電パターン6が設けられている。FIG. 1(b) is a sectional view taken along the line AA in FIG. 1(a). L
An LCD panel terminal 7 is drawn out from the CD panel 1. On the other hand, a conductive pattern 6 is provided on the LCD drive board 2 so as to correspond to the LCD panel terminal 7.
そして導体パターン6のLCDパネル端子7に接続され
る部分のみLCD駆動基板2をくりぬき、圧接ガラス板
3がはめ込まれている。そしてLCDパネル端子7と導
電パターン6との間に異方性導電フィルム4を介在させ
て両者を重ね合わせ圧接ガラス板3の上方より加熱押圧
し、LCDパネル端子7と導体パターン6を電気的に接
続する。Then, only the portion of the conductor pattern 6 connected to the LCD panel terminal 7 is hollowed out in the LCD drive board 2, and a press-contact glass plate 3 is fitted therein. Then, the anisotropic conductive film 4 is interposed between the LCD panel terminal 7 and the conductive pattern 6, and the two are overlapped and heated and pressed from above the pressure-welded glass plate 3, thereby electrically connecting the LCD panel terminal 7 and the conductive pattern 6. Connecting.
第2図(a)は本発明の第2の実施例の平面図、第2図
(b)は第2図(a>のA−AUr面図である。この実
施例ではLCD駆動基板2のLCDパネル端子7と対向
する部分をすべて圧接ガラス板3とし、LCD駆動基板
2の合成樹脂基板部と圧接ガラス板3とを接着剤8によ
り接続している。この実施例はLCD駆動基板2の製造
が容易となる利点がある。FIG. 2(a) is a plan view of a second embodiment of the present invention, and FIG. 2(b) is a plane view taken along A-AUr in FIG. The entire portion facing the LCD panel terminal 7 is a press-contact glass plate 3, and the synthetic resin substrate portion of the LCD drive board 2 and the press-contact glass plate 3 are connected by an adhesive 8. It has the advantage of being easy to manufacture.
以上説明したように本発明は、ガラス製のL CDパネ
ルと熱膨張係数の等しい圧接ガラス板の上方より加熱押
圧することにより、LCD駆動基板の導電パターンとL
CDパネル端子を接続するので両者の接触不良やLCD
パネルの破損を防止できる効果がある。As explained above, in the present invention, the conductive pattern of the LCD drive board and the L
Since the CD panel terminal is connected, there may be a poor contact between the two or the LCD
This has the effect of preventing panel damage.
第1図(a)、(b)は、本発明の第1の実施例の平面
図と断面図、第2図(a)、(b)は本発明の第2の実
施例の平面図と断面図、第3図(a)、(b)は従来の
液晶ディスプレイ駆動基板の接続方法を示す平面図と断
面図である。
1・・・LCDパネル、2・・・LCD駆動基板、3・
・・圧接ガラス板、4・・・異方性導電フィルム、5・
・・LSI、6・・・導電パターン、7・・・LCDパ
ネル端子、8・・・接着剤。FIGS. 1(a) and (b) are a plan view and a sectional view of a first embodiment of the present invention, and FIGS. 2(a) and (b) are a plan view and a cross-sectional view of a second embodiment of the present invention. 3(a) and 3(b) are a plan view and a sectional view showing a conventional method of connecting a liquid crystal display driving board. 1...LCD panel, 2...LCD drive board, 3.
... Pressure-welded glass plate, 4... Anisotropic conductive film, 5.
... LSI, 6... Conductive pattern, 7... LCD panel terminal, 8... Adhesive.
Claims (1)
子に対応するように設けた導体パターンとの間に異方性
導電フィルムを介在させて重ね合わせLCD駆動基板の
背部より加熱押圧して前記パネル端子と導体パターンを
接続する液晶ディスプレイ駆動基板の接続方法において
、前記導体パターンがパネル端子に接続される部分のL
CD駆動基板をくりぬき、そこに圧接ガラス板をはめ込
み、この圧接ガラス板の背部から加熱押圧し、前記導電
パターンとLCDパネル端子とを接続することを特徴と
する液晶ディスプレイ駆動基板の接続方法。An anisotropic conductive film is interposed between the terminals of the LCD panel and a conductor pattern provided on the LCD drive board so as to correspond to the panel terminals, and the panel terminals are stacked by heating and pressing from the back of the LCD drive board. In a method for connecting a liquid crystal display drive board that connects a conductor pattern, the L of the portion where the conductor pattern is connected to a panel terminal is
A method for connecting a liquid crystal display drive board, characterized in that a CD drive board is hollowed out, a press-contact glass plate is fitted therein, and the press-contact glass plate is heated and pressed from the back to connect the conductive pattern and an LCD panel terminal.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP29702287A JPH01136122A (en) | 1987-11-24 | 1987-11-24 | Connecting method for liquid crystal display driving substrate |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP29702287A JPH01136122A (en) | 1987-11-24 | 1987-11-24 | Connecting method for liquid crystal display driving substrate |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH01136122A true JPH01136122A (en) | 1989-05-29 |
Family
ID=17841216
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP29702287A Pending JPH01136122A (en) | 1987-11-24 | 1987-11-24 | Connecting method for liquid crystal display driving substrate |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH01136122A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000347591A (en) * | 1999-06-07 | 2000-12-15 | Citizen Watch Co Ltd | Display device with external connection |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5120941A (en) * | 1974-08-14 | 1976-02-19 | Seikosha Kk | DODENSEISETSUCHAKUZAI |
JPS6067984A (en) * | 1983-09-24 | 1985-04-18 | シャープ株式会社 | Electrode terminal pick up construction of flat display panel |
JPS6161389A (en) * | 1984-08-31 | 1986-03-29 | シャープ株式会社 | Multileads connecting method |
-
1987
- 1987-11-24 JP JP29702287A patent/JPH01136122A/en active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5120941A (en) * | 1974-08-14 | 1976-02-19 | Seikosha Kk | DODENSEISETSUCHAKUZAI |
JPS6067984A (en) * | 1983-09-24 | 1985-04-18 | シャープ株式会社 | Electrode terminal pick up construction of flat display panel |
JPS6161389A (en) * | 1984-08-31 | 1986-03-29 | シャープ株式会社 | Multileads connecting method |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000347591A (en) * | 1999-06-07 | 2000-12-15 | Citizen Watch Co Ltd | Display device with external connection |
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