JPH02242222A - Production of optical liquid crystal device - Google Patents
Production of optical liquid crystal deviceInfo
- Publication number
- JPH02242222A JPH02242222A JP6220289A JP6220289A JPH02242222A JP H02242222 A JPH02242222 A JP H02242222A JP 6220289 A JP6220289 A JP 6220289A JP 6220289 A JP6220289 A JP 6220289A JP H02242222 A JPH02242222 A JP H02242222A
- Authority
- JP
- Japan
- Prior art keywords
- liquid crystal
- substrate
- roll
- adhesive
- gravure
- 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
- 230000003287 optical effect Effects 0.000 title claims abstract description 28
- 239000004973 liquid crystal related substance Substances 0.000 title claims description 85
- 238000004519 manufacturing process Methods 0.000 title claims description 20
- 239000000758 substrate Substances 0.000 claims abstract description 60
- 239000000463 material Substances 0.000 claims abstract description 33
- 239000000853 adhesive Substances 0.000 claims abstract description 32
- 230000001070 adhesive effect Effects 0.000 claims abstract description 32
- 238000000034 method Methods 0.000 claims abstract description 24
- 238000007639 printing Methods 0.000 claims abstract description 9
- 239000002904 solvent Substances 0.000 claims abstract description 8
- 238000010924 continuous production Methods 0.000 claims description 5
- 239000011248 coating agent Substances 0.000 abstract description 34
- 238000000576 coating method Methods 0.000 abstract description 34
- 238000005452 bending Methods 0.000 abstract description 5
- 239000013078 crystal Substances 0.000 abstract description 5
- 239000011247 coating layer Substances 0.000 abstract description 2
- 230000001105 regulatory effect Effects 0.000 abstract 1
- 239000010408 film Substances 0.000 description 13
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 12
- 239000000243 solution Substances 0.000 description 12
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 9
- 239000005264 High molar mass liquid crystal Substances 0.000 description 9
- 239000000203 mixture Substances 0.000 description 8
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 6
- 238000001704 evaporation Methods 0.000 description 6
- 239000007788 liquid Substances 0.000 description 6
- 239000003085 diluting agent Substances 0.000 description 5
- 229920000642 polymer Polymers 0.000 description 5
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 4
- 239000004695 Polyether sulfone Substances 0.000 description 4
- 230000008020 evaporation Effects 0.000 description 4
- 229920006393 polyether sulfone Polymers 0.000 description 4
- -1 polyethylene terephthalate Polymers 0.000 description 4
- 239000004990 Smectic liquid crystal Substances 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 3
- 239000000975 dye Substances 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 2
- 239000004988 Nematic liquid crystal Substances 0.000 description 2
- 239000003522 acrylic cement Substances 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 239000003822 epoxy resin Substances 0.000 description 2
- 239000005262 ferroelectric liquid crystals (FLCs) Substances 0.000 description 2
- 238000007756 gravure coating Methods 0.000 description 2
- 238000003475 lamination Methods 0.000 description 2
- 229910001507 metal halide Inorganic materials 0.000 description 2
- 150000005309 metal halides Chemical class 0.000 description 2
- 229920000647 polyepoxide Polymers 0.000 description 2
- 238000007650 screen-printing Methods 0.000 description 2
- 238000000935 solvent evaporation Methods 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 description 2
- 229910001887 tin oxide Inorganic materials 0.000 description 2
- UOCLXMDMGBRAIB-UHFFFAOYSA-N 1,1,1-trichloroethane Chemical compound CC(Cl)(Cl)Cl UOCLXMDMGBRAIB-UHFFFAOYSA-N 0.000 description 1
- AZQWKYJCGOJGHM-UHFFFAOYSA-N 1,4-benzoquinone Chemical compound O=C1C=CC(=O)C=C1 AZQWKYJCGOJGHM-UHFFFAOYSA-N 0.000 description 1
- CMSGUKVDXXTJDQ-UHFFFAOYSA-N 4-(2-naphthalen-1-ylethylamino)-4-oxobutanoic acid Chemical compound C1=CC=C2C(CCNC(=O)CCC(=O)O)=CC=CC2=C1 CMSGUKVDXXTJDQ-UHFFFAOYSA-N 0.000 description 1
- 239000004986 Cholesteric liquid crystals (ChLC) Substances 0.000 description 1
- 239000004593 Epoxy Substances 0.000 description 1
- 239000004831 Hot glue Substances 0.000 description 1
- 229930192627 Naphthoquinone Natural products 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- DPOPAJRDYZGTIR-UHFFFAOYSA-N Tetrazine Chemical compound C1=CN=NN=N1 DPOPAJRDYZGTIR-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 229920006125 amorphous polymer Polymers 0.000 description 1
- PYKYMHQGRFAEBM-UHFFFAOYSA-N anthraquinone Natural products CCC(=O)c1c(O)c2C(=O)C3C(C=CC=C3O)C(=O)c2cc1CC(=O)OC PYKYMHQGRFAEBM-UHFFFAOYSA-N 0.000 description 1
- 150000004056 anthraquinones Chemical class 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 125000000751 azo group Chemical group [*]N=N[*] 0.000 description 1
- 230000003098 cholesteric effect Effects 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229920006332 epoxy adhesive Polymers 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 230000005621 ferroelectricity Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910003437 indium oxide Inorganic materials 0.000 description 1
- PJXISJQVUVHSOJ-UHFFFAOYSA-N indium(iii) oxide Chemical compound [O-2].[O-2].[O-2].[In+3].[In+3] PJXISJQVUVHSOJ-UHFFFAOYSA-N 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- DZVCFNFOPIZQKX-LTHRDKTGSA-M merocyanine Chemical compound [Na+].O=C1N(CCCC)C(=O)N(CCCC)C(=O)C1=C\C=C\C=C/1N(CCCS([O-])(=O)=O)C2=CC=CC=C2O\1 DZVCFNFOPIZQKX-LTHRDKTGSA-M 0.000 description 1
- 150000002791 naphthoquinones Chemical class 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 229920002492 poly(sulfone) Polymers 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 125000005504 styryl group Chemical group 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000007740 vapor deposition Methods 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、液晶光学素子の製造法に関し、より詳しくは
、液晶表示素子、液晶記録素子等として好適に利用でき
る液晶光学素子の連続製造を容易に可能とする液晶光学
素子の製造法に関する。[Detailed Description of the Invention] [Field of Industrial Application] The present invention relates to a method for manufacturing a liquid crystal optical element, and more specifically, to a method for continuously manufacturing a liquid crystal optical element that can be suitably used as a liquid crystal display element, a liquid crystal recording element, etc. The present invention relates to a method for easily manufacturing liquid crystal optical elements.
液晶の電気光学的効果や熱光学的効果を応用した液晶光
学素子は、液晶デイスプレー、液晶シャッターアレイ、
液晶プリンター等として広く利用されている。従来、液
晶光学素子を作製する方法として、液晶光学素子を構成
する２枚の基板をスペーサーを介して重ねあわせ、液晶
注入孔を残して周辺を接着、シールした後に液晶を注入
する方法が行ねていた。しかしこの方法は液晶層の厚さ
を数μｍに保持することが困難であり、また液晶の注入
も困難である等の問題があり、例えば特開昭６２−２６
７７２０号公報等に記載されているような改良法が提案
されている。この方法はスペーサーを含有する液晶物質
をスクリーン印刷法により減圧下で基板に塗布している
が、スクリーン印刷法では連続化が困難であり、また、
減圧室内での操作のため工程が複雑化するという問題点
がある。Liquid crystal optical elements that utilize the electro-optic and thermo-optic effects of liquid crystals are used in liquid crystal displays, liquid crystal shutter arrays,
Widely used in liquid crystal printers, etc. Conventionally, the method for manufacturing liquid crystal optical elements was to stack the two substrates that make up the liquid crystal optical element with a spacer in between, glue and seal the periphery leaving a liquid crystal injection hole, and then inject liquid crystal. was. However, this method has problems such as it is difficult to maintain the thickness of the liquid crystal layer at several micrometers, and it is also difficult to inject the liquid crystal.
Improved methods such as those described in Japanese Patent No. 7720 have been proposed. In this method, a liquid crystal material containing a spacer is applied to a substrate under reduced pressure by screen printing, but it is difficult to achieve continuity with screen printing, and
There is a problem in that the process is complicated because it is operated in a reduced pressure chamber.
本発明は、前記事情に基づいてなされたもので、液晶光
学素子を簡単な操作により連続的に製造することができ
る液晶光学素子の製造法を提供することを目的とする。The present invention has been made based on the above-mentioned circumstances, and an object of the present invention is to provide a method for manufacturing a liquid crystal optical element, which allows liquid crystal optical elements to be manufactured continuously by simple operations.
本発明はまた、大面積、大容量表示の均一な液晶薄膜を
有する液晶光学素子を製造する方法を提供することを目
的とする。Another object of the present invention is to provide a method for manufacturing a liquid crystal optical element having a uniform liquid crystal thin film with a large area and large capacity display.
本発明者らは、前記課題を解決するために鋭意研究を重
ねた結果、液晶材料及び／又は接着剤の基板への塗布を
グラビアコータを用いて行うことにより、液晶材料の基
板への大面積かつ均一な塗布が容易に行え、液晶光学素
子の連続製造が可能となることを見出し、この知見に基
づいて本発明を完成するに至った。As a result of extensive research in order to solve the above problems, the present inventors have discovered that by applying liquid crystal material and/or adhesive to a substrate using a gravure coater, a large area of liquid crystal material can be applied to the substrate. Furthermore, the inventors have discovered that uniform coating can be easily performed and continuous production of liquid crystal optical elements is possible, and based on this knowledge, the present invention has been completed.
すなわち、本発明は基板に液晶材料及び／又は接着剤を
グラビアコータを用いてパターン印刷する工程を有する
ことを特徴とする液晶光学素子の製造法を提供するもの
である。That is, the present invention provides a method for manufacturing a liquid crystal optical element, which includes a step of pattern-printing a liquid crystal material and/or adhesive onto a substrate using a gravure coater.
第１図は本発明において用いられる一組のグラビアコー
タの一例を示す模式図であり、Ａはグラビアロールで基
板の流れ方向と逆向きに回転する。FIG. 1 is a schematic diagram showing an example of a set of gravure coaters used in the present invention, and A is a gravure roll that rotates in the opposite direction to the flow direction of the substrate.
グラビアロール回転時のグラビア表面の線速度ｖ２は、
基板の移動速度ｖ１に対して、通常１．５〜１００倍、
好ましくは２〜５０倍となるように設定する。また、こ
のグラビアロールの回転速度を変化させることにより、
パターン印刷された液晶材料及び／又は接着剤の塗布層
の膜厚を制御することができる。ロールＢはパターン印
刷を間欠的に行うための間欠塗布機構で、エアーシリン
ダにより上下動可能となっており、グラビアロールＡを
基板に接触させたり、離したりすることで、パターン印
刷が間欠的に行える。ロールＣはグラビアロールＡに基
板を押さえ付けるためロールで、必要に応じ加熱装置を
組み込んで１００’Ｃ程度に加熱すれば、塗布する際に
用いた溶媒を蒸発させることができる。The linear velocity v2 of the gravure surface during rotation of the gravure roll is
Usually 1.5 to 100 times the moving speed v1 of the substrate,
Preferably, it is set to 2 to 50 times. In addition, by changing the rotation speed of this gravure roll,
The thickness of the pattern-printed liquid crystal material and/or adhesive coating layer can be controlled. Roll B is an intermittent application mechanism for performing pattern printing intermittently, and can be moved up and down by an air cylinder, and pattern printing can be performed intermittently by bringing gravure roll A into or out of contact with the substrate. I can do it. Roll C is a roll for pressing the substrate against gravure roll A, and if necessary a heating device is installed and heated to about 100'C to evaporate the solvent used during coating.
このようなグラビアコータを用いて液晶材料を基板にパ
ターン印刷する。また、液晶材料がパターン印刷された
基板に対向基板を接着剤を用いて積層する場合には、該
基板又は対向基板に前記グラビアコータを用いて接着剤
をパターン印刷する。A pattern of liquid crystal material is printed on a substrate using such a gravure coater. Further, when a counter substrate is laminated with an adhesive on a substrate on which a pattern of liquid crystal material is printed, the pattern of the adhesive is printed on the substrate or the counter substrate using the gravure coater.
このようにして得られた基板を積層し、曲げ配向処理等
の配向処理を行うと液晶光学素子が得られる。液晶材料
中に接着剤が含有されている場合等は対向基板に接着剤
を塗布せずに基板の積層を行うことができる。A liquid crystal optical element is obtained by stacking the substrates thus obtained and subjecting them to alignment treatment such as bending alignment treatment. When an adhesive is contained in the liquid crystal material, the substrates can be laminated without applying an adhesive to the opposing substrate.
第２図は第１図で示した一組のグラビアロールを用いて
、基板上へ液晶材料を塗布する場合の印刷パターンを示
す模式的説明図で、１はグラビアロール、２は基板、３
は間欠的に塗布された液晶材料の塗布面である。第３図
及び第４図は別のグラビアロールを用いて接着剤を塗布
する場合の印刷パターンを示す模式的説明図で、４．６
はグラビアロール、２′は対向基板、５．７が接着剤の
塗布面である。第３図のように液晶材料塗布面の外側に
相当する部分にライン塗布したのち、第４図のように液
晶塗布面の間の非塗布面に間欠塗布することで接着剤の
塗布が完了する。これら第２図〜第４図に示される塗布
操作を組み合わせることにより、第５図に示されるよう
な液晶材料塗布面と接着剤塗布面との配置が構成される
。液晶材料及び接着剤の塗布は同一基板に対して行って
もよいし、また各対向基板に対し、別個に行ってもよい
。このようにして得られた液晶材料を塗布した基板と接
着剤を塗布した対向基板を積層し、次の配向工程に送る
。FIG. 2 is a schematic illustration showing a printing pattern when applying a liquid crystal material onto a substrate using a set of gravure rolls shown in FIG. 1, in which 1 is a gravure roll, 2 is a substrate, and 3
is the surface to which the liquid crystal material is applied intermittently. 3 and 4 are schematic explanatory diagrams showing printing patterns when applying adhesive using another gravure roll, and 4.6
2 is a gravure roll, 2' is a counter substrate, and 5.7 is an adhesive coating surface. After applying a line to the area corresponding to the outside of the liquid crystal material application surface as shown in Figure 3, the adhesive application is completed by applying intermittently to the non-applied surface between the liquid crystal application surfaces as shown in Figure 4. . By combining these coating operations shown in FIGS. 2 to 4, the arrangement of the liquid crystal material coated surface and the adhesive coated surface as shown in FIG. 5 is constructed. The liquid crystal material and adhesive may be applied to the same substrate, or may be applied separately to each opposing substrate. The substrate coated with the liquid crystal material thus obtained and the counter substrate coated with adhesive are laminated and sent to the next alignment step.
液晶材料、接着剤の塗布を複数のグラビアロールを用い
て行うことにより、液晶材料、接着剤をそれぞれパター
ン化して塗り分けることが可能で所望の構成の液晶光学
素子を容易に製造することができる。 本発明において
、液晶材料又は接着剤を塗布する基板は、通常長尺状の
ものが用いられ、連続的にグラビアコータに供給され塗
布が行われる。これにより、液晶光学素子の連続生産、
大面積化を容易に行うことができる。基板の材質として
は、通常、生産性、汎用性、加工性等の点から、強度、
耐熱性、透明性、耐久性などに優れたプラスチックから
なる基板等が好適に使用される。具体例としては、−軸
又は二軸延伸ポリエチレンテレフタレート等の結晶性ポ
リマー、ポリスルホン、ポリエーテルスルホン等の非結
晶性ポリマー、ポリエチレン、ポリプロピレン等のポリ
オレフィン、ポリカーボネート、ナイロン等のポリアミ
ドなどのプラスチック基板が挙げられる。プラスチック
基板を用いると、ガラス基板を用いた場合に比べ軽量化
が図られる。By applying the liquid crystal material and adhesive using multiple gravure rolls, it is possible to pattern and apply the liquid crystal material and adhesive separately, making it easy to manufacture liquid crystal optical elements with desired configurations. . In the present invention, the substrate to which the liquid crystal material or adhesive is applied is usually a long one, and is continuously supplied to a gravure coater for coating. This allows continuous production of liquid crystal optical elements,
It is possible to easily increase the area. The material of the board is usually selected from the viewpoint of productivity, versatility, workability, etc.
A substrate made of plastic having excellent heat resistance, transparency, durability, etc. is preferably used. Specific examples include crystalline polymers such as -axially or biaxially stretched polyethylene terephthalate, amorphous polymers such as polysulfone and polyethersulfone, polyolefins such as polyethylene and polypropylene, and plastic substrates such as polycarbonates and polyamides such as nylon. It will be done. When a plastic substrate is used, the weight can be reduced compared to when a glass substrate is used.
基板には透明電極が設けられており、この透明電極とし
ては酸化スズを被着させたＮＥＳＡ膜、酸化スズと酸化
インジウムよりなるＩＴＯ膜等が用いられる。これらの
電極は、公知の各種の手法、例えば、スパッタリング法
、蒸着法、印刷法、塗布法、メツキ法、接着法等、又は
、これらを適宜組み合わせた手法を用いて、基板上に設
けることができる。A transparent electrode is provided on the substrate, and a NESA film coated with tin oxide, an ITO film made of tin oxide and indium oxide, or the like is used as the transparent electrode. These electrodes can be provided on the substrate using various known methods, such as sputtering, vapor deposition, printing, coating, plating, adhesion, etc., or an appropriate combination of these methods. can.
本発明で用いられる液晶材料としては、液晶性を示すも
のであれば特に制限はないが、低分子ネマチック液晶、
低分子コレステリック結晶、低分子スメクチック液晶、
高分子ネマチック液晶、高分子コレステリック液晶、高
分子スメクチ・ンク液晶及びこれらの混合物等が挙げら
れる。強誘電性を示す低分子及び高分子の液晶材料やそ
れらの混合物等も好適に用いることができる。さらに本
発明で用いられる液晶材料には、前記の高分子液晶、低
分子液晶に加えて、多色性色素、減粘剤等の添加剤、接
着剤等が添加されていてもよい。The liquid crystal material used in the present invention is not particularly limited as long as it exhibits liquid crystallinity, but includes low molecular weight nematic liquid crystal,
Low molecular cholesteric crystal, low molecular smectic liquid crystal,
Examples include polymer nematic liquid crystal, polymer cholesteric liquid crystal, polymer smectin liquid crystal, and mixtures thereof. Low-molecular and high-molecular liquid crystal materials exhibiting ferroelectricity and mixtures thereof can also be suitably used. Further, the liquid crystal material used in the present invention may contain additives such as pleochroic dyes and thinners, adhesives, etc. in addition to the above-mentioned polymer liquid crystals and low molecular liquid crystals.
多色性色素としては、スチリル系、アゾメチン系、アゾ
系、ナフトキノン系、アントラキノン系、メロシアニン
系、ベンゾキノン系、テトラジン系の色素が挙げられる
。Examples of pleochroic dyes include styryl, azomethine, azo, naphthoquinone, anthraquinone, merocyanine, benzoquinone, and tetrazine dyes.
本発明で用いられる接着剤としては、単独で用いられる
ものも、また液晶材料中に配合して用いられるものも、
いずれも接着剤として通常用いられている次のような高
分子物質、例えばエポキシ系接着剤、アクリル系接着剤
、ポリウレタン系接着剤、ホットメルト型接着剤、エラ
ストマー型接着剤を挙げることができる。The adhesive used in the present invention may be used alone or mixed into a liquid crystal material.
The following polymeric substances commonly used as adhesives may be mentioned, such as epoxy adhesives, acrylic adhesives, polyurethane adhesives, hot melt adhesives, and elastomer adhesives.
液晶材料及び接着剤は、例えばジクロロメタン、クロロ
ホルム、メチルエチルケトン、１，１．１−トリクロロ
エタン、トルエン及び／又はこれらの混合物等からなる
溶媒で、通常濃度２〜７０重量％、好ましくは２〜５０
重量％に希釈してグラビアコータにより塗布される。The liquid crystal material and adhesive are solvents such as dichloromethane, chloroform, methyl ethyl ketone, 1,1,1-trichloroethane, toluene, and/or mixtures thereof, and usually have a concentration of 2 to 70% by weight, preferably 2 to 50% by weight.
It is diluted to % by weight and applied using a gravure coater.
上記のようにして塗布された基板は、加圧ロール等で積
層され、次いで曲げ配向処理等の配向処理が行われ、次
いで切断され液晶光学素子となる。The substrates coated as described above are laminated using a pressure roll or the like, then subjected to orientation treatment such as bending orientation treatment, and then cut to form a liquid crystal optical element.
この塗布、積層、配向処理、切断の各工程は連続化が可
能であり、大面積の液晶光学素子を連続的に複雑な工程
を必要とせずに生産でき、液晶光学素子の低コスト化が
可能となる。These coating, laminating, alignment, and cutting processes can be made continuous, allowing large-area liquid crystal optical elements to be produced continuously without the need for complicated processes, and making it possible to reduce the cost of liquid crystal optical elements. becomes.
〔実施例］
以下、本発明を実施例に基づいて詳細に説明するが、本
発明はこれに限定されるものではない。[Examples] Hereinafter, the present invention will be described in detail based on Examples, but the present invention is not limited thereto.
実施例１
希釈液（Ａ）
下記繰り返し単位を有する強誘電性高分子液晶をジクロ
ロメタンで濃度１５重量％に調整した希粗液（Ａ）を得
た。Example 1 Diluted liquid (A) A diluted crude liquid (A) was obtained by adjusting a ferroelectric polymer liquid crystal having the following repeating unit to a concentration of 15% by weight with dichloromethane.
Ｍｎ＝５． ３００
（ｃｒｙ ：結晶相、Ｓｍｃ” ：カイラルスメク
チックＣ相、ＳｔｍＡ ：スメクチックＡ相、Ｉｓｏ
：等吉相〕希粗液（Ｂ）
油化シェルエポキシ■製エポキシ樹脂（主剤エピコート
８３４と硬化剤ＱＸ−１１の重量比２：１の混合物）を
トルエンで濃度５重量％に調整して希釈液（Ｂ）を得た
。Mn=5. 300 (cry: crystalline phase, Smc”: chiral smectic C phase, StmA: smectic A phase, Iso
: Tokichi phase] Dilute crude liquid (B) A diluted liquid made by adjusting the concentration of epoxy resin manufactured by Yuka Shell Epoxy ■ (mixture of base material Epicoat 834 and curing agent QX-11 at a weight ratio of 2:1) with toluene to 5% by weight. (B) was obtained.
上記希釈液（Ａ）及び（Ｂ）を第６図に示す構成のグラ
ビア塗工装置でＩＴＯ付きＰＥＳ （ポリエーテルスル
ホン）基板（厚み１２５μｍ１巾１５ｃｍ、長さ５０ｍ
のロール物）にそれぞれ塗布し、溶媒蒸発後に厚さ３．
１μｍの膜を得た。The above diluted solutions (A) and (B) were applied to a PES (polyethersulfone) substrate with ITO (thickness: 125 μm, width: 15 cm, length: 50 m) using a gravure coating device configured as shown in Figure 6.
(rolled material) respectively, and after solvent evaporation, the thickness was 3.
A 1 μm film was obtained.
第６図の装置の仕様は下記の通りである。The specifications of the device shown in FIG. 6 are as follows.
ロールＡ
グラビア形状 台形７５メツシユ
直径 ２５皿φ
回転数 ２００ｒｐｍ
ｖ２４１５．７ｍ／ｍｉｎ
塗布対象 希釈液（Ａ）
塗布面積 図示 （数値の単位：ｒＭｌ）間欠動作
塗布時間 ４．４秒
休止時間 １ 秒
ロールＡ′
グラビア形状 台形１．５０メツシユ
直径 ２５ＩＩＩＩｌｌφ
回転数 １００１００
ｒｐ ＝７．９ ｍ／ｍ ｉ ｎ
塗布対象 希釈液ＣＢ）
塗布面積 図示 （数値の単位：ｍｍ）間欠動作
なし
ロールＡ′
グラビア形状 台形１５０メツシユ
直径 ２５ｍｍφ
回転数 １００１００
ｒｐミ７．９ｍ／ｍｉｎ
塗布対象 希釈液（Ｂ）
塗布面積 図示 （数値の単位：ａａ）間欠動作
塗布時間 ０．９秒
休止時間 ４．５秒
基板速度 ｖ＋＝２ｍ／ｍｉｎ
このようにして得られた１組の基板を塗布面を合わせて
ロールにより積層し、引き続き、直径３０ｍ１、中心間
距離４０ｆｆＩ［ＩＩのロールを３本組み合わせたロー
ル群により連続的に曲げ配向処理を行った。Roll A Gravure shape Trapezoid 75 mesh diameter 25 plates φ Rotation speed 200 rpm v2415.7 m/min Coating target Diluent (A) Coating area As shown (Unit of numerical value: rMl) Intermittent operation Coating time 4.4 seconds Pausing time 1 second Roll A ' Gravure shape Trapezoid 1.50 mesh Diameter 25IIIllφ Rotation speed 100100 rp = 7.9 m/min Coating target Diluted liquid CB) Coating area As shown (Numeric unit: mm) Intermittent operation
Blank roll A' Gravure shape Trapezoid 150 mesh Diameter 25mmφ Rotation speed 100100 rpm 7.9m/min Coating target Diluent (B) Coating area As shown (Numeric unit: aa) Intermittent operation
Coating time: 0.9 seconds Pause time: 4.5 seconds Substrate speed: v+=2 m/min A set of substrates obtained in this way was stacked with the coated surfaces together using a roll, and then the substrates were stacked with a diameter of 30 m1 and a distance between centers of 40 ffI. [Bending and orientation treatment was performed continuously using a roll group consisting of three rolls of II.
次いで、得られた長尺状の液晶パネルを接着剤塗布部を
２分割するように切断し、所望の大きさのパネルを得た
。Next, the obtained long liquid crystal panel was cut into two parts at the adhesive coated part to obtain a panel of a desired size.
得られた液晶パネルについて室温でのコントラストを測
定したところ、±５■の印加で２８という良好な配向状
態のものが得られ、電界を切ってもその表示が２４時間
以上保たれた。このように本発明の方法によると長尺物
の連続生産（塗布→積層→配向処理→切断）が可能とな
り、生産性の大巾な向上ができ、がっ容易にコントラス
トの良好な液晶表示素子が得られた。When the contrast of the obtained liquid crystal panel was measured at room temperature, a good alignment state of 28 was obtained by applying ±5 μ, and the display was maintained for more than 24 hours even when the electric field was turned off. As described above, the method of the present invention enables continuous production of long objects (coating → lamination → alignment treatment → cutting), greatly improving productivity, and easily producing liquid crystal display elements with good contrast. was gotten.
実施例２〜６
実施例１において、基板速度、グラビアロールのメツシ
ュ、及び回転速度を下記のように変化させ、他は実施例
１と同様にして液晶表示素子を作製したところ、第１表
に示すような性能の液晶表示素子を得た。Examples 2 to 6 In Example 1, a liquid crystal display element was produced in the same manner as in Example 1 except that the substrate speed, gravure roll mesh, and rotation speed were changed as shown below. A liquid crystal display element with the performance as shown was obtained.
実施例７
実施例１において塗布対象を以下のように変更したほか
は実施例１と同様に基板への塗布を行った。Example 7 Coating to a substrate was carried out in the same manner as in Example 1, except that the coating target was changed as follows.
希釈液（Ａ）
強誘電性高分子液晶Ｉ
Ｍｎ＝１５． ０００
〔ｇニガラス状態、Ｓｌ：未同定のスメクチ２り相〕強
誘電性高分子液晶■
Ｍｎ＝＝３，０００
湘上ＩＩＬ飲
上記２種の高分子液晶Ｉ及び■を５０：５０（モル％）
で混合したものをアセトンに溶解し、１０重量％の希釈
液（Ａ）を得た。Diluent (A) Ferroelectric polymer liquid crystal I Mn=15. 000 [g-niglass state, Sl: unidentified smecti binary phase] Ferroelectric polymer liquid crystal ■ Mn = = 3,000 Shogami IIL drink The above two types of polymer liquid crystals I and ■ were mixed in a ratio of 50:50 (mol% )
The mixture was dissolved in acetone to obtain a 10% by weight diluted solution (A).
希釈液（Ｂ）
Ｕ■硬化型アクリル系接着剤（セメダイン■製、セメロ
ックスス−パーＹ−８６２−１）をＭＥＫ（メチルエチ
ルケトン）で溶解し、１０重量％の希釈液（Ｂ）を得た
。Diluent (B) A curable acrylic adhesive (manufactured by Cemedine ■, Cemerox Super Y-862-1) was dissolved in MEK (methyl ethyl ketone) to obtain a 10% by weight diluted solution (B).
上記希釈液（Ａ）及び（Ｂ）を用いて実施例１と同様に
塗布蒸発後、２．５μｍの膜が得られた。After coating and evaporating the above diluted solutions (A) and (B) in the same manner as in Example 1, a 2.5 μm film was obtained.
それぞれの基板を積層し、配向処理した後、４００Ｗメ
タルハライドランプを約２秒照射し、切断し、所望のパ
ネルを得た。After the respective substrates were laminated and subjected to orientation treatment, they were irradiated with a 400W metal halide lamp for about 2 seconds and cut to obtain a desired panel.
得られた液晶パネルについて室温でのコントラストを測
定したところ、±５ｖの印加で３６の値を得た。When the contrast of the obtained liquid crystal panel was measured at room temperature, a value of 36 was obtained when ±5 V was applied.
実施例８
塗布対象を以下のように変更したほかは実施例１と同一
条件で塗布した。Example 8 Coating was carried out under the same conditions as in Example 1, except that the coating target was changed as follows.
希釈液（Ａ）
下記低分子強誘電性液晶をジクロロメタンで濃度１５重
量％に調整した希釈液（Ａ）を得た。Diluted Solution (A) A diluted solution (A) was obtained by adjusting the following low-molecular-weight ferroelectric liquid crystal to a concentration of 15% by weight with dichloromethane.
溶媒蒸発後、２．１μｍの膜が得られ、実施例１と同様
に積層、配向処理を行い所望のパネルとした。After evaporation of the solvent, a 2.1 μm film was obtained, and laminated and oriented in the same manner as in Example 1 to obtain a desired panel.
得られた液晶パネルについて室温でのコントラストを測
定したところ、±５■の印加で２３の値を得た。When the contrast of the obtained liquid crystal panel was measured at room temperature, a value of 23 was obtained with an application of ±5 μ.
実施例９
実施例１において塗布対象の希釈液（Ａ）を以下のよう
に変更したほかは実施例１と同様に基板への塗布を行っ
た。Example 9 Application to a substrate was carried out in the same manner as in Example 1, except that the diluent (A) to be applied was changed as follows.
希釈液（Ａ）
Ａ ： Ｂ ： Ｃ： Ｄ＝４５．６：３０．４：４：
２０Ａ ＣＨ！
（モル％）
溶媒蒸発後、２．９μｍの膜が得られ、実施例１と同様
に積層、配向処理を行い所望のパネルとした。Diluted solution (A) A: B: C: D=45.6:30.4:4:
20A CH! (mol %) After evaporation of the solvent, a 2.9 μm film was obtained, and laminated and oriented in the same manner as in Example 1 to obtain a desired panel.
得られた液晶パネルについて室温でのコントラストを測
定したところ、±９■の印加で７０の値を得た。When the contrast of the obtained liquid crystal panel was measured at room temperature, a value of 70 was obtained with an application of ±9 square meters.
実施例１０
強誘電性高分子液晶
Ｍｎ＝５ ３０ ０
Ｍｎ−３，０００
接着剤
油化シェルエポキシ株製エポキシ樹脂（主剤エピコート
８３４と硬化剤ＱＸ−１１の重量比２：１の混合物）
上記繰り返し単位を有する高分子液晶と接着剤を重量比
で５０７５０で混合した液晶組成物をジクロロメタンに
溶解し、１５重量％の溶液とした。Example 10 Ferroelectric polymer liquid crystal Mn = 5 30 0 Mn - 3,000 Adhesive Epoxy resin manufactured by Yuka Shell Epoxy Co., Ltd. (mixture of base material Epicoat 834 and curing agent QX-11 in a weight ratio of 2:1) Repeating the above A liquid crystal composition in which a polymeric liquid crystal having units and an adhesive were mixed at a weight ratio of 50,750 was dissolved in dichloromethane to form a 15% by weight solution.
上記溶液を第７図に示す構成のグラビア塗工装置でＩＴ
Ｏ付きＰＥＳ基板（厚み１２５μｍ、巾１５ｃｍ、長さ
５０ｍのロール物）にそれぞれ塗布し、溶媒蒸発後に厚
さ３．１μｍの膜を得た。The above solution was IT coated with a gravure coating device having the configuration shown in Fig.
Each of these was applied to a PES substrate with O (a roll of 125 μm in thickness, 15 cm in width, and 50 m in length), and a film with a thickness of 3.1 μm was obtained after solvent evaporation.
第７図の装置の仕様は下記の通りである。The specifications of the device shown in FIG. 7 are as follows.
ロールＡ
グラビア形状 台形７５メツシユ
直径 ２５ｍｍφ
回転数 ２０Ｏｒｐｍ
Ｖｚ ＝１５．７ｍ／ｍｔｎ
塗布対象 上記溶液
塗布面積 図示 （数値の単位：ａａ）間欠勤イ￥
塗布時間 ４．４秒
休止時間 １ 秒
基板速度 Ｖ ＋ ”” ２ ｍ／ ｍ ｉ ｎ板を重
ねてロールにより積層し、引き続き実施例１と同様に曲
げ配向処理を行った。次いで、得られた長尺状の液晶パ
ネルを切断し、所望の大きさのパネルを得た。Roll A Gravure shape Trapezoid 75 mesh Diameter 25mmφ Rotation speed 20Orpm Vz = 15.7m/mtn Application area above solution application area As shown (Numeric unit: aa) Intermittent work
Coating time: 4.4 seconds Pausing time: 1 second Substrate speed: V + "" 2 m/min The plates were stacked and laminated using a roll, and then the bending and orientation treatment was performed in the same manner as in Example 1. Next, the obtained long liquid crystal panel was cut to obtain a panel of a desired size.
得られた液晶パネルについて室温でのコントラストを測
定したところ、±５■の印加で２３という良好な配向状
態のものが得られ、電界を切ってもその表示が２４時間
以上保たれた。このように本発明の方法によると長尺物
の連続生産（塗布→積層→配向処理→切断）が可能とな
り、生産性の大巾な向上ができ、かつ容易にコントラス
トの良好な液晶表示素子が得られた。When the contrast at room temperature of the obtained liquid crystal panel was measured, a good alignment state of 23 was obtained with an application of ±5 square meters, and the display was maintained for more than 24 hours even when the electric field was turned off. As described above, the method of the present invention enables continuous production of long objects (coating → lamination → alignment treatment → cutting), greatly improves productivity, and easily produces liquid crystal display elements with good contrast. Obtained.
実施例１１〜１４
実施例１０において、基板速度、グラビアロールのメツ
シュ、及び回転速度を下記のように変化させ、他は実施
例１０と同様にして液晶表示素子を作製したところ、第
２表に示すような性能の液晶表示素子を得た。Examples 11 to 14 In Example 10, a liquid crystal display element was produced in the same manner as in Example 10, except that the substrate speed, gravure roll mesh, and rotation speed were changed as shown below. A liquid crystal display element with the performance as shown was obtained.
このようにして得られた基板の塗布面に対向基第２表
実施例１５
実施例１０において塗布対象を以下のように変更したほ
かは実施例１０と同様に基板への塗布を行った。The coating surface of the thus obtained substrate was coated with an opposing group.Table 2 Example 15 Coating to the substrate was carried out in the same manner as in Example 10, except that the coating object was changed as follows.
強誘電性高分子液晶Ｉ
Ｈ３
Ｍｎ＝１５． ０００
強誘電性高分子液晶■
Ｍｎ＝３． ０００
上記２種の高分子液晶Ｉ及び■を５０ ： ５０（モル
％）で混合したものにＵＶ硬化型アクリル系接着剤（セ
メダイン■製、セメロックスス−パーＹ−８６２−１）
を重量比３：１で混合しアセトンに溶解し、１０重量％
の溶液を得た。この溶液を用いて実施例工０と同様に塗
布蒸発後、２．５μｍの膜が得られ、この塗布面上に対
向基板を積層し、配向処理した後、４００Ｗメタルハラ
イドランプを約２秒照射し、切断し、所望のパネルを得
た。Ferroelectric polymer liquid crystal I H3 Mn=15. 000 Ferroelectric polymer liquid crystal■ Mn=3. 000 A UV-curable acrylic adhesive (manufactured by Cemedine ■, Cemerox Super Y-862-1) was added to a mixture of the above two types of polymeric liquid crystals I and ■ at a ratio of 50:50 (mol%).
were mixed at a weight ratio of 3:1 and dissolved in acetone to give a concentration of 10% by weight.
A solution of was obtained. Using this solution, a film of 2.5 μm was obtained after coating and evaporation in the same manner as in Example Process 0. A counter substrate was laminated on the coated surface, and after alignment treatment, irradiation with a 400W metal halide lamp was performed for about 2 seconds. , and cut to obtain the desired panel.
得られた液晶パネルについて室温でのコントラストを測
定したところ、±５Ｖの印加で３０の値を得た。When the contrast of the obtained liquid crystal panel was measured at room temperature, a value of 30 was obtained when ±5V was applied.
実施例１６
塗布対象（高分子強誘電性液晶）を以下のように変更し
たほかは実施例１０と同一条件で塗布した。Example 16 Coating was carried out under the same conditions as in Example 10, except that the coating object (polymer ferroelectric liquid crystal) was changed as follows.
租１」ＩＦ紘
溶媒蒸発後、２．１μｍの膜が得られ、積層、配向処理
を行い所望のパネルとした。After evaporation of the IF filter solvent, a 2.1 μm film was obtained, which was laminated and oriented to form a desired panel.
得られた液晶パネルについて室温でのコントラストを測
定したところ、±５ｖの印加で１３の値を得た。When the contrast of the obtained liquid crystal panel was measured at room temperature, a value of 13 was obtained when ±5 V was applied.
実施例１７
実施例１０において塗布対象（強誘電性高分子液晶）を
以下のように変更したほかは実施例１０と同様に基板へ
の塗布を行った。Example 17 Coating to a substrate was carried out in the same manner as in Example 10, except that the coating object (ferroelectric polymer liquid crystal) was changed as follows.
Ａ ： Ｂ ： Ｃ： Ｄ −４５，６：３０．４：４
：２０ （モル％）Ａ ＣＨツ
！
Ｂ
〔発明の効果］
本発明にの製造法によれば、大面積、大表示容量の液晶
光学素子を簡単な工程により、容易に連続的に製造する
ことができ、生産性が大巾に向上することで液晶光学素
子の製造コストの低減が可能となる。A: B: C: D -45,6:30.4:4
:20 (mol%) A CHtsu! B [Effects of the Invention] According to the manufacturing method of the present invention, liquid crystal optical elements with a large area and large display capacity can be manufactured easily and continuously through simple steps, and productivity is greatly improved. By doing so, it becomes possible to reduce the manufacturing cost of the liquid crystal optical element.
また、本発明の製造法によれば膜厚の調整が容易で、均
一な薄膜が得られる。Further, according to the manufacturing method of the present invention, the film thickness can be easily adjusted and a uniform thin film can be obtained.
Ｍｎ−３０００
溶媒蒸発後、２．９μｍの膜が得られ、実施例１０と同
様に積層、配向処理を行い、切断し所望のパネルとした
。After evaporating the Mn-3000 solvent, a 2.9 μm film was obtained, which was laminated and oriented in the same manner as in Example 10, and then cut into desired panels.
得られた液晶パネルについて室温でのコントラストを測
定したところ、±９■の印加で５５の値を得た。When the contrast of the obtained liquid crystal panel was measured at room temperature, a value of 55 was obtained with an application of ±9 square meters.
第１図は、本発明の製造法に用いられるグラビアコータ
の一例を示す模式的断面図であり、第２図、第３図、第
４図及び第５図は塗膜の状態を示す模式的平面図である
。第６図及び第７図は本発明の製造工程と塗膜の状態を
示す模式的説明図である。FIG. 1 is a schematic cross-sectional view showing an example of a gravure coater used in the manufacturing method of the present invention, and FIGS. 2, 3, 4, and 5 are schematic cross-sectional views showing the state of the coating film. FIG. FIGS. 6 and 7 are schematic explanatory views showing the manufacturing process of the present invention and the state of the coating film.
Claims (1)
を用いてパターン印刷する工程を有することを特徴とす
る液晶光学素子の製造法。 ２、液晶材料及び／又は接着剤が溶媒により希釈されて
いる請求項１記載の液晶光学素子の製造法。 ３、基板にロール状の可撓性基材を用いることで連続生
産を行うことを特徴とする請求項１記載の液晶光学素子
の製造法。 ４、基板へのパターン印刷を間欠的に行う請求項１記載
の液晶光学素子の製造法。 ５、グラビアコータのグラビアロールを基板の流れ方向
とは逆向きに回転させ、かつ回転速度をグラビア表面の
線速度が基板の流れ速度の１．５〜１００倍となるよう
に変化させることにより、パターン印刷された液晶材料
及び／又は接着剤の膜厚を制御する請求項１、２、３又
は４記載の液晶光学素子の製造法。 ６、基板に液晶材料及び／又は接着剤をグラビアロール
形状の異なる複数のグラビアコータを用いてパターン印
刷する請求項１、２、３、４又は５記載の液晶光学素子
の製造法。[Scope of Claims] 1. A method for manufacturing a liquid crystal optical element, comprising the step of pattern printing a liquid crystal material and/or adhesive onto a substrate using a gravure coater. 2. The method for manufacturing a liquid crystal optical element according to claim 1, wherein the liquid crystal material and/or the adhesive are diluted with a solvent. 3. The method for manufacturing a liquid crystal optical element according to claim 1, wherein continuous production is performed by using a roll-shaped flexible base material as the substrate. 4. The method for manufacturing a liquid crystal optical element according to claim 1, wherein the pattern printing on the substrate is performed intermittently. 5. By rotating the gravure roll of the gravure coater in the opposite direction to the flow direction of the substrate and changing the rotation speed so that the linear velocity of the gravure surface is 1.5 to 100 times the flow velocity of the substrate, 5. The method for manufacturing a liquid crystal optical element according to claim 1, wherein the film thickness of the pattern-printed liquid crystal material and/or adhesive is controlled. 6. The method for manufacturing a liquid crystal optical element according to claim 1, wherein the liquid crystal material and/or adhesive is pattern-printed on the substrate using a plurality of gravure coaters having different gravure roll shapes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6220289A JPH02242222A (en) | 1989-03-16 | 1989-03-16 | Production of optical liquid crystal device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6220289A JPH02242222A (en) | 1989-03-16 | 1989-03-16 | Production of optical liquid crystal device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02242222A true JPH02242222A (en) | 1990-09-26 |
Family
ID=13193326
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6220289A Pending JPH02242222A (en) | 1989-03-16 | 1989-03-16 | Production of optical liquid crystal device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02242222A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5140450A (en) * | 1989-03-31 | 1992-08-18 | Kabushiki Kaisha Toshiba | Transparent electro-conductive film and liquid crystal display using the same |
| EP0634226A1 (en) * | 1993-01-14 | 1995-01-18 | Fuji Electrochemical Co.Ltd. | Intermittent coating method and apparatus for use in the method |
| JP2000047264A (en) * | 1998-07-21 | 2000-02-18 | Aventis Research & Technol Gmbh & Co Kg | Production of smectic liquid crystal display |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58140718A (en) * | 1982-02-17 | 1983-08-20 | Hitachi Ltd | Method and apparatus for manufacturing liquid crystal display element |
| JPS61501345A (en) * | 1984-03-02 | 1986-07-03 | マンチエスタ−・ア−ル・アンド・デイ・リミテッド・パ−トナ−シツプ | liquid crystal composition |
-
1989
- 1989-03-16 JP JP6220289A patent/JPH02242222A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58140718A (en) * | 1982-02-17 | 1983-08-20 | Hitachi Ltd | Method and apparatus for manufacturing liquid crystal display element |
| JPS61501345A (en) * | 1984-03-02 | 1986-07-03 | マンチエスタ−・ア−ル・アンド・デイ・リミテッド・パ−トナ−シツプ | liquid crystal composition |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5140450A (en) * | 1989-03-31 | 1992-08-18 | Kabushiki Kaisha Toshiba | Transparent electro-conductive film and liquid crystal display using the same |
| US5300858A (en) * | 1989-03-31 | 1994-04-05 | Kabushiki Kaisha Toshiba | Transparent electro-conductive film, and AC powder type EL panel and liquid crystal display using the same |
| EP0634226A1 (en) * | 1993-01-14 | 1995-01-18 | Fuji Electrochemical Co.Ltd. | Intermittent coating method and apparatus for use in the method |
| EP0634226A4 (en) * | 1993-01-14 | 1995-10-18 | Fuji Electrochemical Co Ltd | Intermittent coating method and apparatus for use in the method. |
| JP2000047264A (en) * | 1998-07-21 | 2000-02-18 | Aventis Research & Technol Gmbh & Co Kg | Production of smectic liquid crystal display |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH04119325A (en) | Production of ferroelectric liquid crystal element | |
| JPH03168613A (en) | Production of transfer sheet and liquid crystal display element | |
| JPH02242222A (en) | Production of optical liquid crystal device | |
| JP2009181063A (en) | Liquid crystal display element and method of manufacturing the same | |
| JPH0643457A (en) | Formation of liquid crystal orienting film | |
| JPH05313151A (en) | Production of liquid crystal element | |
| JPH02208633A (en) | Liquid crystal display device | |
| JPH11249158A (en) | Production of liquid crystal display cell | |
| JPH02311822A (en) | Orientation control film, orientation control film and liquid crystal element | |
| JP2672628B2 (en) | Liquid crystal optical element alignment method | |
| JPH0333824A (en) | Film formation of liquid crystal material | |
| JPH0743691A (en) | Production of liquid crystal optical element by using ferroelectric high-polymer liquid crystal and its gradation display method | |
| JPH07244286A (en) | Production of liquid crystal panel | |
| JPH02208096A (en) | Data card and production thereof | |
| JP2889587B2 (en) | Manufacturing method of liquid crystal element | |
| JP2648342B2 (en) | Liquid crystal optical element alignment method | |
| JPH06148643A (en) | Ferroelectric liquid crystal element and its production | |
| JPH02203321A (en) | Method for orienting liquid crystal material | |
| JPH0363625A (en) | Liquid crystal light control and display device | |
| JPH06301001A (en) | Production of liquid crystal display element | |
| JPH06118440A (en) | Liquid crystal display element and its production | |
| JPH10293309A (en) | Manufacture of liquid crystal display element | |
| JPH02280115A (en) | Production of film of liquid crystal material | |
| JP2889656B2 (en) | Liquid crystal display device | |
| JPH086091B2 (en) | Ferroelectric liquid crystal material composition and liquid crystal optical element |