JPS6396631A - Preparation of liquid crystal display element - Google Patents
Preparation of liquid crystal display elementInfo
- Publication number
- JPS6396631A JPS6396631A JP24244286A JP24244286A JPS6396631A JP S6396631 A JPS6396631 A JP S6396631A JP 24244286 A JP24244286 A JP 24244286A JP 24244286 A JP24244286 A JP 24244286A JP S6396631 A JPS6396631 A JP S6396631A
- Authority
- JP
- Japan
- Prior art keywords
- liquid crystal
- liquid
- jet
- crystal display
- display element
- 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 abstract description 16
- 239000007788 liquid Substances 0.000 claims abstract description 18
- 239000000758 substrate Substances 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 claims abstract description 10
- 238000004519 manufacturing process Methods 0.000 claims description 7
- 238000003672 processing method Methods 0.000 claims description 3
- 239000000428 dust Substances 0.000 abstract description 4
- 229920001721 polyimide Polymers 0.000 abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 230000005611 electricity Effects 0.000 abstract description 3
- 238000002347 injection Methods 0.000 abstract description 3
- 239000007924 injection Substances 0.000 abstract description 3
- 230000003068 static effect Effects 0.000 abstract description 3
- 238000004140 cleaning Methods 0.000 abstract description 2
- 239000009719 polyimide resin Substances 0.000 abstract description 2
- 238000005422 blasting Methods 0.000 abstract 1
- 238000011109 contamination Methods 0.000 abstract 1
- 230000003247 decreasing effect Effects 0.000 abstract 1
- 238000010438 heat treatment Methods 0.000 abstract 1
- 239000005361 soda-lime glass Substances 0.000 abstract 1
- 239000000835 fiber Substances 0.000 description 3
- 239000010408 film Substances 0.000 description 3
- 239000004677 Nylon Substances 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 229920001778 nylon Polymers 0.000 description 2
- -1 polyethylene terephthalate Polymers 0.000 description 2
- 229920000139 polyethylene terephthalate Polymers 0.000 description 2
- 239000005020 polyethylene terephthalate Substances 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 239000004642 Polyimide Substances 0.000 description 1
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000012670 alkaline solution Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- 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、液晶表示素子の製法に関し、特に液晶の配向
処理に関する。DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to a method for manufacturing a liquid crystal display element, and more particularly to an alignment treatment for liquid crystal.
従来の技術
従来の液晶の配向処理の主流は、ガラス基板等の上にポ
リ・イミド等から成る配向膜を形成し、その後ナイロン
やポリ・エチレン・テレフタレートから成る繊維で前記
間膜を一定方向に摩擦する方法である〔例えば、佐々木
昭夫編「液晶エレクトロニクスの基礎と応用」〕。Conventional technology The mainstream of conventional liquid crystal alignment processing is to form an alignment film made of polyimide or the like on a glass substrate, etc., and then align the interlayer in a certain direction with fibers made of nylon or polyethylene terephthalate. It is a friction method [for example, "Fundamentals and Applications of Liquid Crystal Electronics" edited by Akio Sasaki].
発明が解決しようとする問題点
ポリ・イミド膜等の絶縁性配向膜をナイロンやポリ・エ
チレン・テレフタレート等から成る絶縁性繊維で摩擦す
るとき、ややもすると静電気が発生し、従ってごみが基
板に付着しやすい。Problems to be Solved by the Invention When an insulating alignment film such as a polyimide film is rubbed with an insulating fiber made of nylon or polyethylene terephthalate, static electricity is generated and dust is deposited on the substrate. Easy to adhere.
また、前述の摩擦のとき、繊維くずが発生しがちである
。Also, during the above-mentioned friction, fiber waste tends to be generated.
これらの現象は液晶表示素子の製造の際の歩留りを大き
く損なうものである。These phenomena greatly impair the yield in manufacturing liquid crystal display elements.
問題点を解決するための手段
本発明は前述のような問題点を解決するために、液晶層
を挟持する各基板のラビングを高速液体ジェット加工法
でなすような液晶表示素子の製法を提供するものである
。Means for Solving the Problems In order to solve the above-mentioned problems, the present invention provides a method for manufacturing a liquid crystal display element in which rubbing of each substrate sandwiching a liquid crystal layer is performed using a high-speed liquid jet processing method. It is something.
高速液体ジェット加工法とは、直径が０．０１ｍｍ〜０
．１龍、速度が１０ｍ／ｓ 〜１０００ｍ／ｓの連続噴
流液を加工物の表面に噴射して前記表面を加工する方法
である。液としては、主に水が使われる。本発明は、こ
れに限定されず、たとえば、適当な酸、あるいはアルカ
リ溶液、あるいは有機溶液であってもよい。High-speed liquid jet machining method is for processing with a diameter of 0.01 mm to 0.
．． This is a method of machining the surface of a workpiece by spraying a continuous jet of liquid at a speed of 10 m/s to 1000 m/s onto the surface of the workpiece. Water is mainly used as the liquid. The present invention is not limited thereto; for example, a suitable acid or alkaline solution, or an organic solution may be used.
作用
前述のような高速液体ジェット加工法は、静電気が全く
発生しないこと、更にはごみが発生しても噴流液で除去
されることが理解される。また、このラビング法は、幾
分なりとも表面の清浄効果があることが判った。It is understood that the high-speed liquid jet processing method as described above does not generate any static electricity, and furthermore, even if dust is generated, it is removed by the jet liquid. It was also found that this rubbing method has some effect of cleaning the surface.
実施例
以下に本発明の液晶表示素子の製法の一実施例について
、図面を参照しながら説明する。EXAMPLE An example of the method for manufacturing a liquid crystal display element of the present invention will be described below with reference to the drawings.
適当な透明導電性薄膜を具備するソーダ・ガラス基板を
入手した。この上に適当に希釈したポリ・イミド・レジ
ンをスピナーで塗布、その後、加熱、重合させて、配向
膜を得た。A soda glass substrate with a suitable transparent conductive thin film was obtained. An appropriately diluted polyimide resin was applied onto this using a spinner, and then heated and polymerized to obtain an alignment film.
つぎに、水を使った高速液体ジェット加工装置でもって
、前記基板に高速噴流液を噴射する。Next, a high-speed liquid jet processing device using water is used to inject a high-speed jet liquid onto the substrate.
図は高速液体ジェット加工装置の構成断面図である。同
図において、１は定圧定量調整器、２はニードル・バル
ブ、３は低圧ピストン、４は速度調整器、５はストレー
ナ、６はピストン位置指示器、７は圧力計、８は電磁弁
、９は高圧ラム、１０は逆止弁、１１は噴出用ノズル、
１２は基板、１３はＮ２ボンベである。The figure is a cross-sectional view of the configuration of a high-speed liquid jet processing device. In the figure, 1 is a constant pressure quantitative regulator, 2 is a needle valve, 3 is a low pressure piston, 4 is a speed regulator, 5 is a strainer, 6 is a piston position indicator, 7 is a pressure gauge, 8 is a solenoid valve, 9 is a high-pressure ram, 10 is a check valve, 11 is a jet nozzle,
12 is a substrate, and 13 is an N2 cylinder.
前記噴流液の噴射方向うの基板の主表面に平行な成分は
、前記基板に対して一定であるようにした。前記噴射方
向の基板に対する角度は３０゛〜６０’が望ましいもの
だった。また、前記ノズルの孔の直径が０．０１ｍ１−
０．１ ｔｓ鳳、連続噴流液の噴射速度は１０ｍ／ｓ〜
Ｌｏｏｍ／ｓが望ましかった。The component parallel to the main surface of the substrate in the jetting direction of the liquid jet was made constant with respect to the substrate. The angle of the spraying direction with respect to the substrate is preferably 30° to 60′. Further, the diameter of the hole of the nozzle is 0.01 m1-
0.1 ts Otori, continuous jet liquid injection speed is 10 m/s ~
Loom/s was desirable.
つぎに水洗、乾燥させ、さらに、よく知られた方法で液
晶表示素子を作製した。Next, it was washed with water and dried, and further, a liquid crystal display element was produced by a well-known method.
表示特性を測ったところ、優れた特性が得られた。また
、顕微鏡等での検査の結果、ごみが極端に少なく、従っ
て作製の歩留りは大幅に向上した。When the display characteristics were measured, excellent characteristics were obtained. Furthermore, as a result of inspection using a microscope, etc., there was extremely little dust, and therefore the production yield was significantly improved.
発明の効果
本発明は液晶表示素子の作製歩留りを著しく改善するも
のであり、産業上に価値は大なるものがある。Effects of the Invention The present invention significantly improves the production yield of liquid crystal display elements, and has great industrial value.
図は高速液体ジェット加工装置の構成断面図である。
１・・・・・・定圧定量調整器、２・・・・・・ニード
ル・バルブ、３・・・・・・低圧ピストン、４・・・・
・・速度調整器、５・・・・・・ストレーナ、６・・・
・・・ピストン位置指示器、７・・・・・・圧力計、８
・・・・・・電磁弁、９・・・・・・高圧ラム、１０・
・・・・・逆止弁、１１・・・・・・ノズル、１２・・
・・・・基板、１３・・・・・・Ｎ２ボンベ。
代理人の氏名 弁理士 中尾敏男 はか１名３−低圧ピ
ストン
４〜速度調整器
５−・−ストレーナ
６・−ピストン位置楯承器
７〜圧７７け
８〜 を種弁
９− 高圧ラム
ｌＯ・−逆止弁The figure is a cross-sectional view of the configuration of a high-speed liquid jet processing device. 1... Constant pressure quantitative regulator, 2... Needle valve, 3... Low pressure piston, 4...
...Speed regulator, 5...Strainer, 6...
... Piston position indicator, 7 ... Pressure gauge, 8
... Solenoid valve, 9 ... High pressure ram, 10.
...Check valve, 11...Nozzle, 12...
... Board, 13 ... N2 cylinder. Name of agent: Patent attorney Toshio Nakao 1 person 3 - Low pressure piston 4 - Speed regulator 5 - Strainer 6 - Piston position shield holder 7 - Pressure 77 8 - Separate valve 9 - High pressure ram lO -Check valve
Claims (1)
加工法でなすことを特徴とする液晶表示素子の製法。A method for manufacturing a liquid crystal display element, characterized in that each substrate sandwiching a liquid crystal layer is rubbed by a high-speed liquid jet processing method.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP24244286A JPS6396631A (en) | 1986-10-13 | 1986-10-13 | Preparation of liquid crystal display element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP24244286A JPS6396631A (en) | 1986-10-13 | 1986-10-13 | Preparation of liquid crystal display element |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6396631A true JPS6396631A (en) | 1988-04-27 |
Family
ID=17089149
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP24244286A Pending JPS6396631A (en) | 1986-10-13 | 1986-10-13 | Preparation of liquid crystal display element |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6396631A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6001277A (en) * | 1995-05-26 | 1999-12-14 | Hitachi Chemical Company, Ltd. | Liquid-crystal alignment film |
| US7218367B2 (en) | 2000-04-03 | 2007-05-15 | Konica Corporation | Optical compensation sheet and liquid crystal display |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61138231A (en) * | 1984-12-10 | 1986-06-25 | Casio Comput Co Ltd | Orientation treating method of liquid-crystal display element |
-
1986
- 1986-10-13 JP JP24244286A patent/JPS6396631A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61138231A (en) * | 1984-12-10 | 1986-06-25 | Casio Comput Co Ltd | Orientation treating method of liquid-crystal display element |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6001277A (en) * | 1995-05-26 | 1999-12-14 | Hitachi Chemical Company, Ltd. | Liquid-crystal alignment film |
| US7218367B2 (en) | 2000-04-03 | 2007-05-15 | Konica Corporation | Optical compensation sheet and liquid crystal display |
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