JPH0990394A - Method for connecting external wiring of liquid crystal display panel - Google Patents
Method for connecting external wiring of liquid crystal display panelInfo
- Publication number
- JPH0990394A JPH0990394A JP27069695A JP27069695A JPH0990394A JP H0990394 A JPH0990394 A JP H0990394A JP 27069695 A JP27069695 A JP 27069695A JP 27069695 A JP27069695 A JP 27069695A JP H0990394 A JPH0990394 A JP H0990394A
- Authority
- JP
- Japan
- Prior art keywords
- external connection
- liquid crystal
- crystal display
- display panel
- anisotropic conductive
- 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
- 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)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】この発明は液晶表示パネルに
電子部品を接合する液晶表示パネルの接合方法に関す
る。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a liquid crystal display panel bonding method for bonding electronic components to a liquid crystal display panel.
【０００２】[0002]
【従来の技術】例えば、図２に示すように、液晶表示パ
ネル１にこの液晶表示パネル１を駆動するための半導体
チップ（図示せず）を搭載したフィルムキャリア（ＴＣ
Ｐ：Tape Carrier Package)２を接合する場合、導電性
粒子３が絶縁性接着剤４中に適度な密度で混合されてな
る異方導電性接着剤５を用いることがある。ところで、
この図における液晶表示パネル１は、相対向する面にそ
れぞれ透明電極６、７が設けられた２枚の透明な基板
８、９がシール材１０を介して貼り合わされ、シール材
１０の内側における２枚の基板８、９間に液晶１１が封
入され、下側基板８の上側基板９から突出された突出部
分の上面に下側透明電極６に接続する複数の外部接続配
線１２が設けられた構造となっている。2. Description of the Related Art For example, as shown in FIG. 2, a film carrier (TC) in which a semiconductor chip (not shown) for driving the liquid crystal display panel 1 is mounted on the liquid crystal display panel 1.
When P (Tape Carrier Package) 2 is bonded, anisotropic conductive adhesive 5 in which conductive particles 3 are mixed in insulating adhesive 4 at an appropriate density may be used. by the way,
In the liquid crystal display panel 1 in this figure, two transparent substrates 8 and 9 each having transparent electrodes 6 and 7 provided on opposite surfaces thereof are adhered to each other via a sealing material 10, and the inside of the sealing material 10 is A structure in which a liquid crystal 11 is enclosed between the substrates 8 and 9 and a plurality of external connection wirings 12 for connecting to the lower transparent electrode 6 are provided on the upper surface of the protruding portion of the lower substrate 8 protruding from the upper substrate 9. Has become.
【０００３】さて、このような液晶表示パネル１にフィ
ルムキャリア２を接合する場合には、まず液晶表示パネ
ル１の各外部接続配線１２の端子部１３を含む接合部分
の上面に異方導電性接着剤５を配置し、異方導電性接着
剤５の上面にフィルムキャリア２の複数の接続配線１４
の端子部１５が形成された接合部分を配置する。そし
て、液晶表示パネル１の各外部接続配線１２の端子部１
３が形成された接合部分とフィルムキャリア２の各接続
配線１４の端子部１５が形成された接合部分とを加熱し
ながら加圧する。そうすると、異方導電性接着剤５の絶
縁性接着剤４が溶融し、異方導電性接着剤５中の導電性
粒子３を介して液晶表示パネル１の各外部接続配線１２
の端子部１３とフィルムキャリア２の対向する各接続配
線１４の端子部１５とが導電接続される。また、絶縁性
接着剤４が固化することにより、液晶表示パネル１の各
接合部分とフィルムキャリア２の対向する各接合部分と
が接着される。When the film carrier 2 is bonded to the liquid crystal display panel 1 as described above, first, anisotropic conductive adhesion is applied to the upper surface of the bonding portion of the liquid crystal display panel 1 including the terminal portions 13 of the external connection wirings 12. The adhesive 5 is arranged, and a plurality of connection wirings 14 of the film carrier 2 are provided on the upper surface of the anisotropic conductive adhesive 5.
The joint portion on which the terminal portion 15 is formed is arranged. Then, the terminal portion 1 of each external connection wiring 12 of the liquid crystal display panel 1
The joint portion where 3 is formed and the joint portion where the terminal portion 15 of each connection wiring 14 of the film carrier 2 is formed are heated and pressed. Then, the insulating adhesive 4 of the anisotropic conductive adhesive 5 is melted, and the external connection wirings 12 of the liquid crystal display panel 1 are interposed via the conductive particles 3 in the anisotropic conductive adhesive 5.
And the terminal portions 15 of the connection wirings 14 of the film carrier 2 facing each other are conductively connected. Further, when the insulating adhesive 4 is solidified, each joint portion of the liquid crystal display panel 1 and each opposing joint portion of the film carrier 2 are adhered to each other.
【０００４】[0004]
【発明が解決しようとする課題】しかしながら、従来の
このような液晶表示パネルの接合方法では、液晶表示パ
ネル１における各外部接続配線１２の端子部１３が形成
された接合部分は異方導電性接着剤５で覆われるが、そ
れ以外の各外部接続配線１２の部分は露出した状態とな
っているので、この部分に水分やゴミなどが付着する
と、外部接続配線１２が電解腐食して断線することがあ
るという問題があった。例えば、隣接する２本の外部接
続配線１２間に水分と電解質のゴミが付着し、この状態
でこの２本の外部接続配線１２間に電位差が発生する
と、電解腐食が発生する。そこで、外部接続配線１２に
水分やゴミなどが付着し、外部接続配線１２が電解腐食
して断線しないように液晶表示パネル１とフィルムキャ
リア２との間には封止材１６が設けられている。ところ
が、液晶表示パネル１における両基板８、９間のギャッ
プ（数μｍ）は狭く、封止材１６を両基板８、９間に入
り込ませることが難しいので、シール材１０の外側の両
基板８、９間に空洞１７が生じやすく、この空洞１７内
に位置する外部接続配線１２が封止材１６によって被覆
されない。そのため、水分やゴミなどが封止材１６の内
側の空洞１７内に浸入すると、外部接続配線１２が電解
腐食し、外部接続配線１２の電解腐食を完全に防止する
ことができなかった。この発明の課題は、封止材を用い
ずに外部接続配線の電解腐食を防止することができる液
晶表示パネルの接合方法を提供することにある。However, in the conventional liquid crystal display panel bonding method as described above, the liquid crystal display panel 1 has an anisotropic conductive adhesive at the bonding portion where the terminal portions 13 of the external connection wirings 12 are formed. The external connection wiring 12 is covered with the agent 5, but the other portions of the external connection wiring 12 are exposed. Therefore, if moisture or dust adheres to this portion, the external connection wiring 12 may be electrolytically corroded and disconnected. There was a problem that there is. For example, if moisture and electrolyte dust are deposited between two adjacent external connection wirings 12 and a potential difference occurs between the two external connection wirings 12 in this state, electrolytic corrosion occurs. Therefore, a sealing material 16 is provided between the liquid crystal display panel 1 and the film carrier 2 so as to prevent moisture or dust from adhering to the external connection wiring 12 and the external connection wiring 12 from being electrolytically corroded and broken. . However, since the gap (several μm) between both substrates 8 and 9 in the liquid crystal display panel 1 is narrow and it is difficult to make the sealing material 16 enter between both substrates 8 and 9, both substrates 8 outside the sealing material 10 are difficult. , 9 is likely to form a cavity 17, and the external connection wiring 12 located in the cavity 17 is not covered with the sealing material 16. Therefore, if water, dust, or the like enters the cavity 17 inside the sealing material 16, the external connection wiring 12 is electrolytically corroded, and the electrolytic corrosion of the external connection wiring 12 cannot be completely prevented. An object of the present invention is to provide a joining method for a liquid crystal display panel capable of preventing electrolytic corrosion of external connection wiring without using a sealing material.
【０００５】[0005]
【課題を解決するための手段】この発明は、液晶表示パ
ネルの外部接続配線の端子部に、電子部品の接続配線の
端子部を接合する液晶表示パネルの外部配線接続方法に
おいて、前記外部接続配線の端子部と前記接続配線の端
子部との間に前記両端子部の接合時に流動する異方導電
性接着剤を配置し、この状態で前記両端子部を圧着接合
し、この圧着接合時に前記異方導電性接着剤を流動さ
せ、この流動した異方導電性接着剤で前記外部接続配線
の前記異方導電性接着剤で覆われていない部分を覆うこ
とを特徴とするものである。SUMMARY OF THE INVENTION The present invention provides a method for connecting an external wiring of a liquid crystal display panel, wherein a terminal portion of a connection wiring of an electronic component is joined to a terminal portion of an external connection wiring of the liquid crystal display panel. An anisotropic conductive adhesive that flows at the time of joining the both terminal portions is arranged between the terminal portion and the terminal portion of the connection wiring, and both terminal portions are pressure-bonded in this state, and at the time of this pressure-bonding, The anisotropic conductive adhesive is caused to flow, and the fluidized anisotropic conductive adhesive covers the portion of the external connection wiring that is not covered with the anisotropic conductive adhesive.
【０００６】この発明によれば、液晶表示パネルの外部
接続配線の端子部に異方導電性接着剤を介して電子部品
の接続配線の端子部を接合する際、異方導電性接着剤が
流動し、この流動した異方導電性接着剤が外部接続配線
の異方導電性接着剤で覆われていない露出部分を覆うの
で、外部接続配線に水分やゴミなどが付着しないように
することができ、封止材を用いずに外部接続配線の電解
腐食を防止することができる。According to the present invention, when the terminal portion of the connection wiring of the electronic component is joined to the terminal portion of the external connection wiring of the liquid crystal display panel via the anisotropic conductive adhesive, the anisotropic conductive adhesive flows. However, since this flowing anisotropic conductive adhesive covers the exposed portion of the external connection wiring that is not covered with the anisotropic conductive adhesive, it is possible to prevent moisture and dust from adhering to the external connection wiring. It is possible to prevent electrolytic corrosion of the external connection wiring without using a sealing material.
【０００７】[0007]
【発明の実施の形態】以下、図１（Ａ）および（Ｂ）を
参照して、この発明の一実施形態を適用した液晶表示パ
ネルとフィルムキャリアとの接合方法について説明す
る。これらの図において、図２と同一部分には同一の符
号を付し、その説明を適宜省略する。さて、液晶表示パ
ネル１にフィルムキャリア（電子部品）２を接合するに
は、図１（Ａ）に示すように、下側基板８の突出部分の
上面における各外部接続配線１２の端子部１３が形成さ
れた接合部分の上面に異方導電性接着剤２１を配置す
る。この場合、異方導電性接着剤２１は、絶縁性接着剤
２２中に導電性粒子２３が適度な密度で混合されたもの
からなっている。このうち絶縁性接着剤２２は熱可塑性
樹脂、熱硬化性樹脂、あるいは両者の混合物からなり、
加熱されると流動する性質を有し、例えば室温で液状の
ビスフェノールＡタイプのエポキシ樹脂を生乾燥処理し
てシート状に形成し、加熱時（１５０〜１８０℃）の粘
度が１０００ｃｐｓ程度となるものである。導電性粒子
２３は、金、銀、銅、鉄、ニッケル、アルミニウムなど
の金属粒子や有機共役系高分子などの導電性高分子粒子
からなっている。また、異方導電性接着剤２１の厚さ
は、導電性粒子２３と絶縁性接着剤２２の混合割合を変
えずに図２に示す従来の異方導電性接着剤５の厚さの
１．５倍程度、つまり従来のものの厚さは２０〜３０μ
ｍであるから３０〜４５μｍ程度にするのが望ましい。BEST MODE FOR CARRYING OUT THE INVENTION A method of joining a liquid crystal display panel and a film carrier to which an embodiment of the present invention is applied will be described below with reference to FIGS. 1 (A) and 1 (B). In these figures, the same parts as those in FIG. 2 are designated by the same reference numerals, and the description thereof will be omitted as appropriate. Now, in order to bond the film carrier (electronic component) 2 to the liquid crystal display panel 1, as shown in FIG. 1A, the terminal portion 13 of each external connection wiring 12 on the upper surface of the protruding portion of the lower substrate 8 is An anisotropic conductive adhesive 21 is arranged on the upper surface of the formed joint portion. In this case, the anisotropic conductive adhesive 21 is composed of the electrically conductive particles 23 mixed in the insulating adhesive 22 at an appropriate density. Of these, the insulating adhesive 22 is made of a thermoplastic resin, a thermosetting resin, or a mixture of both,
It has the property of flowing when heated. For example, a bisphenol A type epoxy resin that is liquid at room temperature is subjected to a biodrying treatment to form a sheet, and the viscosity when heated (150 to 180 ° C) is about 1000 cps. Is. The conductive particles 23 are composed of metal particles such as gold, silver, copper, iron, nickel and aluminum, and conductive polymer particles such as organic conjugated polymer. Further, the thickness of the anisotropic conductive adhesive 21 is 1.times. The thickness of the conventional anisotropic conductive adhesive 5 shown in FIG. 2 without changing the mixing ratio of the conductive particles 23 and the insulating adhesive 22. About 5 times, that is, the conventional thickness is 20-30μ
Since it is m, it is desirable to set it to about 30 to 45 μm.
【０００８】次に、図１（Ｂ）に示すように、異方導電
性接着剤２１の上面にフィルムキャリア２の各接続配線
１４の端子部１５を含む接合部分を配置する。そして、
液晶表示パネル１の各外部接続配線１２の端子部１３を
含む接合部分とフィルムキャリア２の各接続配線１４の
端子部１５が形成された接合部分とを加熱しながら加圧
すると、異方導電性接着剤２１の絶縁性接着剤２２が溶
融し、それらの一部が流動して逃げることにより、異方
導電性接着剤２１中の導電性粒子２３を介して液晶表示
パネル１の各外部接続配線１２の端子部１３とフィルム
キャリア２の対向する各接続配線１４の端子部１５とが
導電接続される。この場合、加熱されると流動する性質
を有する絶縁性接着剤２２を備えた異方導電性接着剤２
１は、シール材１０の外側の両基板８、９間の各外部接
続配線１２が設けられている部分まで流動し、露出して
いる外部接続配線１２を覆う。そして、絶縁性接着剤２
２が固化することにより、液晶表示パネル１の各外部接
続配線１２の端子部１３が形成された接合部分とフィル
ムキャリア２の各接続配線１４の端子部１５が形成され
た接合部分とが接着されるとともに、シール材１０の外
側の下側基板８の上面に各外部接続配線１２を覆うよう
に異方導電性接着剤２１からなる保護膜２４が形成され
る。この場合、異方導電性接着剤２１は下側基板８の面
方向および厚さ方向に絶縁性を保持した状態で固化す
る。これにより、保護膜２４が各外部接続配線１２に水
分やゴミなどが付着することを防止し、図２に示す従来
の封止材１６を用いずに外部接続配線１２の電解腐食を
防止することができる。また、従来の封止材１６が不要
になり、その分製造工程および部品点数を少なくするこ
とができ、製造コストを低減することができる。Next, as shown in FIG. 1B, a joint portion including the terminal portions 15 of each connection wiring 14 of the film carrier 2 is arranged on the upper surface of the anisotropic conductive adhesive 21. And
When the joint portion including the terminal portion 13 of each external connection wiring 12 of the liquid crystal display panel 1 and the joint portion of each connection wiring 14 of the film carrier 2 in which the terminal portion 15 is formed are heated and pressed, anisotropic conductivity is obtained. The insulating adhesive 22 of the adhesive 21 is melted, and a part of the insulating adhesive 22 flows and escapes, so that each external connection wiring of the liquid crystal display panel 1 via the conductive particles 23 in the anisotropic conductive adhesive 21. The terminal portion 13 of 12 and the terminal portion 15 of each connecting wiring 14 of the film carrier 2 facing each other are conductively connected. In this case, the anisotropic conductive adhesive 2 including the insulating adhesive 22 having the property of flowing when heated
1 flows to the portion on the outside of the sealing material 10 between the two substrates 8 and 9 where each external connection wiring 12 is provided, and covers the exposed external connection wiring 12. And the insulating adhesive 2
When 2 solidifies, the joint portions of the liquid crystal display panel 1 where the terminal portions 13 of the external connection wirings 12 are formed and the joint portions of the film carrier 2 where the terminal portions 15 of the connection wirings 14 are formed are bonded. At the same time, a protective film 24 made of an anisotropic conductive adhesive 21 is formed on the upper surface of the lower substrate 8 outside the sealing material 10 so as to cover each external connection wiring 12. In this case, the anisotropic conductive adhesive 21 is solidified while maintaining insulation in the plane direction and the thickness direction of the lower substrate 8. Thereby, the protective film 24 prevents moisture and dust from adhering to each external connection wiring 12, and prevents electrolytic corrosion of the external connection wiring 12 without using the conventional sealing material 16 shown in FIG. You can Further, the conventional encapsulating material 16 is not required, and the manufacturing process and the number of parts can be reduced accordingly, and the manufacturing cost can be reduced.
【０００９】なお、上記実施形態では、液晶表示パネル
１に接続する電子部品としてフィルムキャリア２を用い
たが、これに限定されず、例えば半導体チップやフレキ
シブル配線基板であってもよい。Although the film carrier 2 is used as the electronic component connected to the liquid crystal display panel 1 in the above embodiment, the invention is not limited to this and may be, for example, a semiconductor chip or a flexible wiring board.
【００１０】[0010]
【発明の効果】以上説明したように、この発明によれ
ば、液晶表示パネルの外部接続配線の端子部に異方導電
性接着剤を介して電子部品の接続配線の端子部を接合す
る際、異方導電性接着剤を流動させ、この流動した異方
導電性接着剤が外部接続配線の露出している部分を覆う
ので、外部接続配線を水分やゴミなどが付着しないよう
に保護することができ、封止材を用いずに外部接続配線
の電解腐食を防止することができる。As described above, according to the present invention, when the terminal portion of the connection wiring of the electronic component is joined to the terminal portion of the external connection wiring of the liquid crystal display panel via the anisotropic conductive adhesive, The anisotropic conductive adhesive is made to flow, and the flowing anisotropic conductive adhesive covers the exposed parts of the external connection wiring, so it is possible to protect the external connection wiring from moisture and dust. Therefore, electrolytic corrosion of the external connection wiring can be prevented without using a sealing material.
【図１】（Ａ）はこの発明の一実施形態を適用した液晶
表示パネルとフィルムキャリアとの接合方法において、
液晶表示パネル上に異方導電性接着剤を配置した状態の
断面図、（Ｂ）は同接合方法において、液晶表示パネル
上に異方導電性接着剤を介してフィルムキャリアを接合
した状態の断面図。FIG. 1A shows a method for joining a liquid crystal display panel and a film carrier to which an embodiment of the present invention is applied,
A cross-sectional view of a state in which an anisotropic conductive adhesive is arranged on a liquid crystal display panel, (B) is a cross-sectional view of the same bonding method in which a film carrier is bonded to the liquid crystal display panel via the anisotropic conductive adhesive. Fig.
【図２】従来の液晶表示パネルの接合方法を説明する断
面図。FIG. 2 is a cross-sectional view illustrating a conventional method for joining liquid crystal display panels.
１ 液晶表示パネル ２ フィルムキャリア（電子部品） １２ 外部接続配線 １３、１５ 端子部 １４ 接続配線 ２１ 異方導電性接着剤 ２４ 保護膜 1 Liquid Crystal Display Panel 2 Film Carrier (Electronic Component) 12 External Connection Wiring 13, 15 Terminal Area 14 Connection Wiring 21 Anisotropic Conductive Adhesive 24 Protective Film
Claims (1)
に、電子部品の接続配線の端子部を接合する液晶表示パ
ネルの外部配線接続方法において、 前記外部接続配線の端子部と前記接続配線の端子部との
間に前記両端子部の接合時に流動する異方導電性接着剤
を配置し、この状態で前記両端子部を圧着接合し、この
圧着接合時に前記異方導電性接着剤を流動させ、この流
動した異方導電性接着剤で前記外部接続配線の前記異方
導電性接着剤で覆われていない部分を覆うことを特徴と
する液晶表示パネルの外部配線接続方法。1. A method for connecting an external wiring of a liquid crystal display panel to a terminal portion of an external connecting wiring of a liquid crystal display panel, comprising: connecting the terminal portion of the external connecting wiring to the connecting wiring; An anisotropic conductive adhesive that flows when joining both terminals is placed between the terminals, and both terminals are pressure-bonded in this state, and the anisotropic conductive adhesive flows when this pressure-bonding is performed. A method for connecting an external wiring of a liquid crystal display panel, characterized in that the fluidized anisotropic conductive adhesive covers the portion of the external connection wiring which is not covered with the anisotropic conductive adhesive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP27069695A JPH0990394A (en) | 1995-09-26 | 1995-09-26 | Method for connecting external wiring of liquid crystal display panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP27069695A JPH0990394A (en) | 1995-09-26 | 1995-09-26 | Method for connecting external wiring of liquid crystal display panel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0990394A true JPH0990394A (en) | 1997-04-04 |
Family
ID=17489692
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP27069695A Pending JPH0990394A (en) | 1995-09-26 | 1995-09-26 | Method for connecting external wiring of liquid crystal display panel |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0990394A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100543039B1 (en) * | 1998-07-31 | 2006-04-06 | 삼성전자주식회사 | Liquid crystal display |
| KR100652037B1 (en) * | 2000-08-26 | 2006-11-30 | 엘지.필립스 엘시디 주식회사 | Method for fabricating liquid crystal display panel |
| KR100735988B1 (en) * | 2004-08-27 | 2007-07-06 | 세이코 엡슨 가부시키가이샤 | Electro-optical device and electronic apparatus |
| KR100770439B1 (en) * | 2005-07-15 | 2007-10-26 | 미쓰비시덴키 가부시키가이샤 | Flexible printed circuit and display device using the same |
| KR100885844B1 (en) * | 2002-10-18 | 2009-02-27 | 엘지디스플레이 주식회사 | Liquid crystal display device and method of fabricating thereof |
-
1995
- 1995-09-26 JP JP27069695A patent/JPH0990394A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100543039B1 (en) * | 1998-07-31 | 2006-04-06 | 삼성전자주식회사 | Liquid crystal display |
| KR100652037B1 (en) * | 2000-08-26 | 2006-11-30 | 엘지.필립스 엘시디 주식회사 | Method for fabricating liquid crystal display panel |
| KR100885844B1 (en) * | 2002-10-18 | 2009-02-27 | 엘지디스플레이 주식회사 | Liquid crystal display device and method of fabricating thereof |
| KR100735988B1 (en) * | 2004-08-27 | 2007-07-06 | 세이코 엡슨 가부시키가이샤 | Electro-optical device and electronic apparatus |
| KR100770439B1 (en) * | 2005-07-15 | 2007-10-26 | 미쓰비시덴키 가부시키가이샤 | Flexible printed circuit and display device using the same |
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