JP2579492B2 - Manufacturing method of liquid crystal display device - Google Patents
Manufacturing method of liquid crystal display deviceInfo
- Publication number
- JP2579492B2 JP2579492B2 JP20950587A JP20950587A JP2579492B2 JP 2579492 B2 JP2579492 B2 JP 2579492B2 JP 20950587 A JP20950587 A JP 20950587A JP 20950587 A JP20950587 A JP 20950587A JP 2579492 B2 JP2579492 B2 JP 2579492B2
- Authority
- JP
- Japan
- Prior art keywords
- liquid crystal
- crystal display
- display device
- rubbing
- manufacturing
- 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.)
- Expired - Lifetime
Links
- 239000004973 liquid crystal related substance Substances 0.000 title claims description 29
- 238000004519 manufacturing process Methods 0.000 title claims description 10
- 239000000758 substrate Substances 0.000 claims description 20
- 238000000034 method Methods 0.000 claims description 15
- 239000004744 fabric Substances 0.000 claims description 14
- 239000004677 Nylon Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229920001778 nylon Polymers 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- 229920001721 polyimide Polymers 0.000 description 2
- 239000002952 polymeric resin Substances 0.000 description 2
- 238000011282 treatment Methods 0.000 description 2
- 239000004642 Polyimide Substances 0.000 description 1
- 229920000297 Rayon Polymers 0.000 description 1
- 229920002978 Vinylon Polymers 0.000 description 1
- -1 acryl Chemical group 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000002964 rayon Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Landscapes
- Liquid Crystal (AREA)
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製造方法および前記製造方法
によって生産した液晶表示装置に関する。Description: TECHNICAL FIELD The present invention relates to a method for manufacturing a liquid crystal display device and a liquid crystal display device produced by the manufacturing method.
従来の液晶表示装置の配向方法としては、基板上にポ
リイミド系高分子樹脂を塗布した後、布等で一定方向に
ラビングする（特開昭55−143525号公報）方法、又はラ
ビング布を巻きつけたドラムを回転させてラビングする
方法等が行なわれていた。As a conventional orientation method of a liquid crystal display device, a method of applying a polyimide polymer resin on a substrate and then rubbing in a certain direction with a cloth or the like (Japanese Patent Laid-Open No. 55-143525) or winding a rubbing cloth is used. And a method of rubbing by rotating a drum.
しかし、前述のラビング布を巻きつけたドラムを回転
させてラビングする（以下回転ラビングという）方法
は、均一な配向を得るのに有利であるが、反面一方に回
転させることによってラビング布の毛先が一方向に変形
し、配向層にキズ、或いは配向不良等が発生し、表示品
位を損なうという欠点を有していた。However, the above-described method of rotating and rubbing the drum around which the rubbing cloth is wound (hereinafter referred to as “rotating rubbing”) is advantageous for obtaining a uniform orientation. Have a disadvantage that they are deformed in one direction, and the alignment layer is scratched or misaligned, thereby deteriorating display quality.
そこで、本発明はこのような問題点を解決するもの
で、その目的は均一な配向の得られるラビング方法を提
供するところにある。Therefore, the present invention solves such a problem, and an object of the present invention is to provide a rubbing method capable of obtaining a uniform orientation.
本発明の液晶表示装置の製造方法は、一対の基板間に
液晶が挟持され、該基板の液晶に接する側の面には配向
層が形成されてなる液晶表示装置の製造方法において、
表面にラビング布を取り付けたドラムを回転させ、所定
枚数ラビング処理する毎に該ドラムの回転方向を反転さ
せることにより、該配向層をラビングすることを特徴と
する。The method for manufacturing a liquid crystal display device according to the present invention is a method for manufacturing a liquid crystal display device, in which a liquid crystal is sandwiched between a pair of substrates, and an alignment layer is formed on a surface of the substrate in contact with the liquid crystal.
The orientation layer is rubbed by rotating a drum having a rubbing cloth attached to its surface and inverting the rotation direction of the drum each time a predetermined number of rubbing processes are performed.
また、本発明の液晶表示装置は、一対の基板間に液晶
が挟持され、該基板の液晶に接する側の面には配向層が
形成されてなる液晶表示装置において、表面にラビング
布を取り付けたドラムを回転させ、所定枚数ラビング処
理する毎に該ドラムの回転方向を反転させることにより
ラビングした配向層を用いることを特徴とする。In the liquid crystal display device of the present invention, a rubbing cloth is attached to a surface of a liquid crystal display device in which a liquid crystal is sandwiched between a pair of substrates and an alignment layer is formed on a surface of the substrate in contact with the liquid crystal. The present invention is characterized in that the rubbed orientation layer is used by rotating the drum and inverting the rotation direction of the drum each time a predetermined number of rubbing processes are performed.
以下、図示した一実施例により本発明を詳細に説明す
る。Hereinafter, the present invention will be described in detail with reference to one illustrated embodiment.
第１図は、本発明に用いるラビング装置の概略図であ
り、１は図示しない支持体により支持された金属製の回
転体、２は回転体１の周囲に貼られたラビング布であ
る。このラビング布は、ナイロン、ビニロン、ポリエス
テル、アクリル、レーヨン等の一般的な布を用いた。FIG. 1 is a schematic view of a rubbing device used in the present invention, wherein 1 is a metal rotating body supported by a support (not shown), and 2 is a rubbing cloth stuck around the rotating body 1. The rubbing cloth used was a general cloth such as nylon, vinylon, polyester, acryl, rayon and the like.
実施例１ 本発明の実施例を第１図に基づいて説明する。Embodiment 1 An embodiment of the present invention will be described with reference to FIG.
ポリイミド系高分子樹脂５を塗布した基板３をラビン
グする時に、金属製の回転体１を１枚処理するごとに回
転方向を反転させて（Ａ方向Ｂ方向）ラビング処理し
た。When the substrate 3 coated with the polyimide-based polymer resin 5 was rubbed, the rubbing treatment was performed by inverting the rotation direction (A direction B direction) every time one metal rotator 1 was processed.
ここで、ラビング布２は植毛タイプのポリエステルを
用い、回転体１の回転数は1000rpm、支持台４の移動ス
ピードは5m/minに設定した。Here, the rubbing cloth 2 was made of a flocking type polyester, the rotation speed of the rotating body 1 was set to 1000 rpm, and the moving speed of the support 4 was set to 5 m / min.
前述の条件で処理した基板を用いて液晶表示装置を構
成したところ、キズ、配向不良等のない均一な配向を有
する液晶表示装置が得られた。When a liquid crystal display device was formed using the substrate processed under the above-described conditions, a liquid crystal display device having a uniform alignment free from scratches, defective alignment and the like was obtained.
また、比較例として前述の基板をラビングする時に、
回転体１を一方向（Ａ方向）のみに回転させた基板を用
いて、液晶表示装置を構成したところ、キズが表示部全
域に発生し、表示品位が著しく低下した。Also, when rubbing the substrate as a comparative example,
When a liquid crystal display was constructed using a substrate in which the rotating body 1 was rotated only in one direction (A direction), flaws occurred in the entire display area, and the display quality was significantly reduced.
実施例２ 回転体１を基板を20枚処理するごとに回転方向を反転
させた以外は実施例１と同様にラビング処理した基板を
用いて液晶表示装置を構成したところ実施例１と同様の
結果が得られた。Example 2 A liquid crystal display device was constructed using a rubbed substrate in the same manner as in Example 1 except that the rotation direction was reversed each time 20 substrates were processed. was gotten.
実施例３ ラビング布２にナイロンを用いた以外は実施例１と同
様に処理した基板を用いて液晶表示装置を構成したとこ
ろ、実施例１と同様の結果が得られた。Example 3 A liquid crystal display was constructed using a substrate treated in the same manner as in Example 1 except that nylon was used for the rubbing cloth 2, and the same results as in Example 1 were obtained.
以上述べたように本発明の液晶表示装置の製造方法に
よれば、一対の基板間に液晶が挟持され、該基板の液晶
に接する側の面には配向層が形成されてなる液晶表示装
置の製造方法において、表面にラビング布を取り付けた
ドラムを回転させ、所定枚数ラビング処理する毎に該ド
ラムの回転方向を反転させて、該配向層をラビングする
ことにより、ラビング布の毛先が一方向に変形すること
がなくなるので、配向層のキズや配向不良等が発生しに
くくなり、均一な配向層を得ることができる。As described above, according to the method for manufacturing a liquid crystal display device of the present invention, a liquid crystal is sandwiched between a pair of substrates, and an alignment layer is formed on a surface of the substrate in contact with the liquid crystal. In the manufacturing method, a drum having a rubbing cloth attached to its surface is rotated, and the rotation direction of the drum is reversed each time a predetermined number of rubbing treatments are performed, and the orientation layer is rubbed so that the tip of the rubbing cloth is oriented in one direction. Therefore, the alignment layer is less likely to be flawed or misaligned, and a uniform alignment layer can be obtained.
そして、本発明の液晶表示装置は前記製造方法によっ
て生産するため、表示品質を高めることができる。In addition, since the liquid crystal display device of the present invention is manufactured by the manufacturing method, display quality can be improved.
第１図は、本発明に用いるラビング装置の概略図。 １……回転体 ２……ラビング布 ３……ガラス基板 ４……基板支持台 ５……配向膜 FIG. 1 is a schematic diagram of a rubbing device used in the present invention. DESCRIPTION OF SYMBOLS 1 ... Rotating body 2 ... Rubbing cloth 3 ... Glass substrate 4 ... Substrate support base 5 ... Alignment film
Claims (2)
液晶に接する側の面には配向層が形成されてなる液晶表
示装置の製造方法において、 表面にラビング布を取り付けたドラムを回転させ、所定
枚数ラビング処理する毎に該ドラムの回転方向を反転さ
せることにより、該配向層をラビングすることを特徴と
する液晶表示装置の製造方法。1. A method for manufacturing a liquid crystal display device, comprising: a liquid crystal sandwiched between a pair of substrates; and an alignment layer formed on a surface of the substrate in contact with the liquid crystal. A method for manufacturing a liquid crystal display device, wherein the alignment layer is rubbed by rotating the drum and inverting the rotation direction of the drum each time a predetermined number of rubbing processes are performed.
液晶に接する側の面には配向層が形成されてなる液晶表
示装置において、 表面にラビング布を取り付けたドラムを回転させ、所定
枚数ラビング処理する毎に該ドラムの回転方向を反転さ
せることによりラビングした配向層を用いることを特徴
とする液晶表示装置。2. A liquid crystal display device having a liquid crystal sandwiched between a pair of substrates and an alignment layer formed on a surface of the substrate in contact with the liquid crystal, wherein a drum having a rubbing cloth attached to the surface thereof is rotated. A liquid crystal display device using an alignment layer rubbed by reversing the rotation direction of the drum each time a predetermined number of rubbing processes are performed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20950587A JP2579492B2 (en) | 1987-08-24 | 1987-08-24 | Manufacturing method of liquid crystal display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20950587A JP2579492B2 (en) | 1987-08-24 | 1987-08-24 | Manufacturing method of liquid crystal display device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6452123A JPS6452123A (en) | 1989-02-28 |
| JP2579492B2 true JP2579492B2 (en) | 1997-02-05 |
Family
ID=16573911
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20950587A Expired - Lifetime JP2579492B2 (en) | 1987-08-24 | 1987-08-24 | Manufacturing method of liquid crystal display device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2579492B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04119325A (en) * | 1990-09-11 | 1992-04-20 | Canon Inc | Manufacturing method of ferroelectric liquid crystal element |
| CN100354724C (en) * | 2004-06-09 | 2007-12-12 | 友达光电股份有限公司 | Alignment film platform, alignment film process and alignment film process equipment |
-
1987
- 1987-08-24 JP JP20950587A patent/JP2579492B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6452123A (en) | 1989-02-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |