JPH04107497A - Liquid crystal display device - Google Patents
Liquid crystal display deviceInfo
- Publication number
- JPH04107497A JPH04107497A JP22572690A JP22572690A JPH04107497A JP H04107497 A JPH04107497 A JP H04107497A JP 22572690 A JP22572690 A JP 22572690A JP 22572690 A JP22572690 A JP 22572690A JP H04107497 A JPH04107497 A JP H04107497A
- Authority
- JP
- Japan
- Prior art keywords
- liquid crystal
- crystal display
- circuit board
- display device
- rubber
- 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.)
- Granted
Links
- 239000004973 liquid crystal related substance Substances 0.000 title claims abstract description 37
- 229920001971 elastomer Polymers 0.000 claims abstract description 14
- 239000000758 substrate Substances 0.000 claims abstract description 7
- 239000002184 metal Substances 0.000 claims description 5
- 239000011521 glass Substances 0.000 claims description 3
- 239000000853 adhesive Substances 0.000 abstract description 4
- 230000001070 adhesive effect Effects 0.000 abstract description 4
- 238000003825 pressing Methods 0.000 abstract description 2
- 239000002390 adhesive tape Substances 0.000 abstract 1
- 230000007547 defect Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 239000004945 silicone rubber Substances 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
Landscapes
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Liquid Crystal (AREA)
Abstract
Description
【発明の詳細な説明】 〔産業上の利用分野〕 本発明は、液晶表示装置の構造に関する。[Detailed description of the invention] [Industrial application field] The present invention relates to the structure of a liquid crystal display device.
従来、液晶表示装置の回路基板の固定方法としては、第
７図・第８図に示すように、回路基板をその下部に位置
するケースにネジによって固定していたものが一般的に
知られている。Conventionally, a commonly known method for fixing the circuit board of a liquid crystal display device is to fix the circuit board to the case located at the bottom with screws, as shown in Figures 7 and 8. There is.
これによって、振動・衝撃等が加わった時でも回路基板
が移動しフレキシブル基板に負荷が加わらないようにし
ているものであった。This prevents the circuit board from moving and no load being applied to the flexible board even when vibrations, shocks, etc. are applied.
しかし、こうした液晶表示装置の構造では、回路基板を
固定するケースの温度変化等による伸縮、または液晶表
示体の移動などの回路基板以外のずれに対しては配慮が
なされておらず、振動・衝撃が液晶表示装置に加わり液
晶表示体が移動してしまった場合、一方の回路基板はケ
ースに固定されているため液晶表示体と回路基板との位
置にずれが生じて、液晶表示体を駆動させるために駆動
■Ｃを搭載したフレキシブル基板に、ずれによって生じ
る負荷が加わってしまう、また回路基板を固定している
ケースが温度変化等によって伸縮して、ケースに固定さ
れている回路基板も一緒に移動してしまい液晶表示体と
回路基板との位置にずれが生じてしまう。 この結果
フレキシブル基板と液晶表示体の接続に使われている異
方性導電接着剤の接続不良、またはフレキシブル基板の
切れといった問題を有している。However, the structure of these liquid crystal display devices does not take into account the expansion and contraction of the case that fixes the circuit board due to temperature changes, or the displacement of components other than the circuit board, such as movement of the liquid crystal display, and vibrations and shocks are not taken into account. If the liquid crystal display is moved because one of the circuit boards is fixed to the case, the position of the liquid crystal display and the circuit board will be misaligned, causing the liquid crystal display to be driven. Therefore, the load caused by misalignment is applied to the flexible board on which the drive ■C is mounted, and the case that fixes the circuit board expands and contracts due to temperature changes, and the circuit board that is fixed to the case also expands and contracts. As a result, the liquid crystal display body and the circuit board become misaligned. As a result, there are problems such as poor connection of the anisotropic conductive adhesive used to connect the flexible substrate and the liquid crystal display, or breakage of the flexible substrate.
そこで本発明はこのような問題点を解決するもので、そ
の目的とするところは、表示品質の優れた信頼性の高い
液晶表示装置を提供することにある。SUMMARY OF THE INVENTION The present invention is intended to solve these problems, and its purpose is to provide a highly reliable liquid crystal display device with excellent display quality.
本発明の液晶表示装置は、内面に透明電極を有する一対
のガラス基板に液晶を封入した液晶表示体と、前記液晶
表示体を制御する回路基板等の制御部材からなる液晶表
示装置において、前記回路基板の固定を回路基板上にゴ
ム等を取り付けて金属フレームで加圧し固定したことを
特徴とする。The liquid crystal display device of the present invention comprises a liquid crystal display body in which liquid crystal is sealed in a pair of glass substrates having transparent electrodes on the inner surface, and a control member such as a circuit board for controlling the liquid crystal display body. The circuit board is fixed by attaching rubber or the like to the circuit board and applying pressure with a metal frame.
〔実施例１〕
以下、本発明を実施例に基づき、より具体的に説明する
。第１図・第２図は本発明の基本的な考え方を示す正面
図と縦断面図で、Ｃ０Ｍ側の回路基板３上にゴム８を取
り付けた一例である。液晶表示体１に接続されるフレキ
シブル基板２には、液晶表示体１の駆動用ＩＣが搭載さ
れており、この駆動用ＩＣに接続された一方側の出力端
子が異方性導電接着剤によって液晶表示体１に熱圧着等
によって接続される、もう−吉例の入力端子は半田付け
によって回路基板３に接続されている、液晶表示体１と
フレキシブル基板２と回路基板３が一体となった後液晶
表示体１を不図示ケースにセットする、この時液晶表示
体１は両面テープにより不図示ケースに固定され、回路
基板３の固定には回路基板３上にゴム８を取り付け、そ
の後金属フレーム４を取り付ける、この時ゴム８に金属
フレーム４からの圧力が加わり回路基板３の固定を行う
。この時のゴム８の素材としては弾力性に富み、ガラス
と接する表面部分が滑りにくいものを使用する。例えば
、低価格、加工が容易、取扱が簡単であるシリコン系の
ゴムまたはネオブレーンゴム等を用いる。[Example 1] Hereinafter, the present invention will be described in more detail based on Examples. FIGS. 1 and 2 are a front view and a vertical sectional view showing the basic concept of the present invention, and are an example of a rubber 8 attached to a circuit board 3 on the C0M side. A driving IC for the liquid crystal display 1 is mounted on the flexible substrate 2 connected to the liquid crystal display 1, and one output terminal connected to the driving IC is connected to the liquid crystal display using an anisotropic conductive adhesive. The input terminal, which is connected to the display 1 by thermocompression bonding or the like, is connected to the circuit board 3 by soldering.After the liquid crystal display 1, flexible board 2, and circuit board 3 are integrated, the liquid crystal The display body 1 is set in a case (not shown). At this time, the liquid crystal display body 1 is fixed to the case (not shown) with double-sided tape. To fix the circuit board 3, attach rubber 8 on the circuit board 3, and then attach the metal frame 4. At this time, pressure from the metal frame 4 is applied to the rubber 8 to fix the circuit board 3. At this time, the rubber 8 is made of a material that is highly elastic and has a non-slip surface that comes into contact with the glass. For example, silicone rubber or neobrane rubber, which is low in price, easy to process, and easy to handle, is used.
〔実施例２〕
第３図・第４図は上記実施例１の変形例の正面図と縦断
面図で、ＳＥＧ−ＣＯＭの両側の回路基板３上に半田に
よって接続されているフレキシブル基板２の間にゴム８
を取り付けて回路基板３の固定をしている。[Example 2] Figures 3 and 4 are a front view and a vertical cross-sectional view of a modification of the above-mentioned Example 1, in which the flexible board 2 is connected by solder to the circuit board 3 on both sides of the SEG-COM. rubber between 8
is attached to fix the circuit board 3.
〔実施例３〕
第５図・第６図は実施例１のＳＥＧ側の回路基板３を側
面からゴム８によって固定をした正面図と縦断面図であ
る。[Embodiment 3] FIGS. 5 and 6 are a front view and a longitudinal cross-sectional view of the circuit board 3 on the SEG side of Embodiment 1, which is fixed from the side with rubber 8.
本発明の上記構成によれば、回路基板の固定にゴムを用
いて行うことで、フレキシブル基板の切れまたは、液晶
表示体とフレキシブル基板の接続に用いている異方性導
電接着剤の接続不良といった問題を防ぎ、表示品質の向
上した信頼性の高い液晶表示装置を提供できるという効
果を有していAccording to the above structure of the present invention, by using rubber to fix the circuit board, it is possible to prevent breakage of the flexible board or poor connection of the anisotropic conductive adhesive used to connect the liquid crystal display and the flexible board. This has the effect of preventing problems and providing highly reliable liquid crystal display devices with improved display quality.
第１図・第２図は本発明の液晶表示装置の一実施例を示
す正面図と縦断面図、第３図・第４図・第５図・第６図
は変形例の縦断面図と正面図、第７図・第８図は従来の
液晶表示装置の縦断面図と正面図である。
１・・・液晶表示体 ５・・・ケース２・・・フ
レキシブル基板 ６・・・テープ電線３・・・回路基板
７・・・ネジ４・・・金属フレーム ８
・・・ゴム以上
出願人 セイコーエプソン株式会社
代理人 弁理士 鈴木喜三部 他１名1 and 2 are front views and longitudinal sectional views showing one embodiment of the liquid crystal display device of the present invention, and FIGS. 3, 4, 5, and 6 are longitudinal sectional views of modified examples. The front view and FIGS. 7 and 8 are a longitudinal sectional view and a front view of a conventional liquid crystal display device. 1...Liquid crystal display 5...Case 2...Flexible board 6...Tape wire 3...Circuit board 7...Screw 4...Metal frame 8
...Applicant for rubber and above Seiko Epson Co., Ltd. agent Patent attorney Kizobe Suzuki and 1 other person
Claims (1)
入した液晶表示体と、前記液晶表示体を制御する回路基
板等の制御部材からなる液晶表示装置において、前記回
路基板の固定を回路基板上にゴム等を取り付けて金属フ
レームで加圧し固定したことを特徴とする液晶表示装置
。In a liquid crystal display device comprising a liquid crystal display body in which liquid crystal is sealed in a pair of glass substrates having transparent electrodes on the inner surface, and a control member such as a circuit board for controlling the liquid crystal display body, the circuit board is fixed on the circuit board. A liquid crystal display device characterized by attaching rubber or the like and pressurizing and fixing it with a metal frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2225726A JP3018436B2 (en) | 1990-08-28 | 1990-08-28 | Liquid crystal display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2225726A JP3018436B2 (en) | 1990-08-28 | 1990-08-28 | Liquid crystal display |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH04107497A true JPH04107497A (en) | 1992-04-08 |
| JP3018436B2 JP3018436B2 (en) | 2000-03-13 |
Family
ID=16833860
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2225726A Expired - Lifetime JP3018436B2 (en) | 1990-08-28 | 1990-08-28 | Liquid crystal display |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3018436B2 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05346588A (en) * | 1992-06-10 | 1993-12-27 | Nec Corp | Liquid crystal display device |
| KR100468205B1 (en) * | 1997-08-01 | 2005-08-31 | 삼성전자주식회사 | LCD Display |
| JP2007140246A (en) * | 2005-11-21 | 2007-06-07 | Hitachi Displays Ltd | Display device |
| US8648978B2 (en) | 2011-03-31 | 2014-02-11 | Kabushiki Kaisha Toshiba | Television and electronic apparatus |
-
1990
- 1990-08-28 JP JP2225726A patent/JP3018436B2/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05346588A (en) * | 1992-06-10 | 1993-12-27 | Nec Corp | Liquid crystal display device |
| KR100468205B1 (en) * | 1997-08-01 | 2005-08-31 | 삼성전자주식회사 | LCD Display |
| JP2007140246A (en) * | 2005-11-21 | 2007-06-07 | Hitachi Displays Ltd | Display device |
| US8648978B2 (en) | 2011-03-31 | 2014-02-11 | Kabushiki Kaisha Toshiba | Television and electronic apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3018436B2 (en) | 2000-03-13 |
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