JPS63199321A - Liquid crystal element - Google Patents
Liquid crystal elementInfo
- Publication number
- JPS63199321A JPS63199321A JP3268687A JP3268687A JPS63199321A JP S63199321 A JPS63199321 A JP S63199321A JP 3268687 A JP3268687 A JP 3268687A JP 3268687 A JP3268687 A JP 3268687A JP S63199321 A JPS63199321 A JP S63199321A
- Authority
- JP
- Japan
- Prior art keywords
- liquid crystal
- film
- crystal element
- films
- uniform
- 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 36
- 239000000758 substrate Substances 0.000 claims abstract description 20
- 150000002894 organic compounds Chemical class 0.000 claims description 10
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims description 3
- 230000001186 cumulative effect Effects 0.000 claims 1
- 239000005262 ferroelectric liquid crystals (FLCs) Substances 0.000 abstract description 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract description 7
- 230000004044 response Effects 0.000 abstract description 7
- 229910052814 silicon oxide Inorganic materials 0.000 abstract description 7
- 210000002858 crystal cell Anatomy 0.000 abstract description 3
- 230000015572 biosynthetic process Effects 0.000 abstract description 2
- 239000011521 glass Substances 0.000 abstract description 2
- 239000003566 sealing material Substances 0.000 abstract description 2
- 125000003917 carbamoyl group Chemical group [H]N([H])C(*)=O 0.000 abstract 1
- 230000008020 evaporation Effects 0.000 abstract 1
- 238000001704 evaporation Methods 0.000 abstract 1
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 abstract 1
- 125000000896 monocarboxylic acid group Chemical group 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 125000000524 functional group Chemical group 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000000151 deposition Methods 0.000 description 3
- 239000012528 membrane Substances 0.000 description 3
- 230000003446 memory effect Effects 0.000 description 3
- 101100343203 Vigna unguiculata LBII gene Proteins 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- GLDOVTGHNKAZLK-UHFFFAOYSA-N octadecan-1-ol Chemical compound CCCCCCCCCCCCCCCCCCO GLDOVTGHNKAZLK-UHFFFAOYSA-N 0.000 description 2
- 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
- REYJJPSVUYRZGE-UHFFFAOYSA-N Octadecylamine Chemical compound CCCCCCCCCCCCCCCCCCN REYJJPSVUYRZGE-UHFFFAOYSA-N 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 125000006575 electron-withdrawing group Chemical group 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- GOQYKNQRPGWPLP-UHFFFAOYSA-N n-heptadecyl alcohol Natural products CCCCCCCCCCCCCCCCCO GOQYKNQRPGWPLP-UHFFFAOYSA-N 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 229920006254 polymer film Polymers 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000003892 spreading 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〕
この発明は、液晶表示素子、液晶シャッタ等の液晶素子
に関するもので、特にその配向膜に関するものである。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to liquid crystal elements such as liquid crystal display elements and liquid crystal shutters, and particularly relates to alignment films thereof.
この発明は、液晶素子の構成要素である液晶配向膜にお
いて、液晶素子の一方の基板上の配向膜（ＬＢＩＩＩｌ
）として、一般式
ＣＨ３（ＣＨｇ） ｎ Ｘ
で表わされる有機化合物を用い、他の一方の配向膜（Ｌ
Ｂ膜ＩＩ）′として、一般式
％式％
で表わされる有機化合物を用い、それぞれ水面上に展開
して膜を形成後、基板上に親水基が表面に現れる形で、
一層板上付着することで□、基板上に液晶配向膜を形成
した。（ただし、Ｘは、−ＣＯＯＨ等の電子吸引性の官
能基であり、Ｙは、ＮＨ２等の電子供与性の官能基であ
る。）これら２種の配向膜を対向基板上に形成すること
により、強誘電、液晶の単一ドメイン形成や均一メモリ
ー特性が実現できるようになった。This invention relates to a liquid crystal alignment film that is a component of a liquid crystal element, and an alignment film (LBIII
), an organic compound represented by the general formula CH3(CHg) n
As the B film II)', an organic compound represented by the general formula % is used, and after each is developed on the water surface to form a film, the hydrophilic groups are exposed on the surface of the substrate.
By depositing one layer on the board, a liquid crystal alignment film was formed on the substrate. (However, X is an electron-withdrawing functional group such as -COOH, and Y is an electron-donating functional group such as NH2.) By forming these two types of alignment films on the opposing substrate, , ferroelectric, liquid crystal single domain formation and uniform memory properties have become possible.
強誘電液晶としては、カイラルスメクティンクＣ液晶が
あり、高速応答性やメモリー効果を有するため、大容量
大画面表示素子用の液晶材料として、実用化のための研
究開発が活発に行われている。そして、強誘電液晶用の
配向膜としては、従来、ＴＮ（ツイストネマティック）
表示素子で広く実用されている配向膜を用いてきた。即
ち、（ａ） ＃化ケイ素等の斜方蒸着膜と、（ｂｌポリ
イミド等の高分子膜
である。Chiral smectin C liquid crystals are examples of ferroelectric liquid crystals, and because they have high-speed response and memory effects, active research and development is being conducted to put them into practical use as liquid crystal materials for large-capacity, large-screen display elements. There is. Conventionally, the alignment film for ferroelectric liquid crystals is TN (twisted nematic).
We have used an alignment film that is widely used in display devices. That is, (a) an obliquely vapor deposited film such as #silicon oxide, and a polymer film such as (bl polyimide).
しかし、上記の配向膜はいずれも、強誘電液晶を充分に
配向できず、多くのドメイン構造と、不均一なメモリー
特性が生じるため、液晶表示素子として、コントラスト
が不十分でかつ、表示むらが発生していた。また、応答
特性にも速いドメインと遅いドメインがあり、不均一で
あった。 。However, none of the above alignment films can sufficiently align the ferroelectric liquid crystal, resulting in many domain structures and non-uniform memory characteristics, resulting in insufficient contrast and uneven display when used as a liquid crystal display element. It was occurring. In addition, the response characteristics were non-uniform, with fast and slow domains. .
ｃ問題点を解決するための手段〕
・ 上記問題点を解決するために、この発明は一方の
配向膜として、一般式
％式％
で表わされる有機化合物を、水面上に展開して膜を形成
後、基板上に親水基が表面に現れる形で、□一層以上付
着して得られたものを用い、他の一方の配向膜が、一般
式
％式％
で表わされる有機化合物を、水面上に展開して膜を形成
後、基板上に親水基が表面に現れる形で、一層板上付着
して得られたものを用いて、液晶表示素子を製作した。Means for Solving Problem c] - In order to solve the above problem, the present invention forms a film by spreading an organic compound represented by the general formula % on the water surface as one of the alignment films. After that, the other alignment film is used to apply an organic compound represented by the general formula % to the surface of the water using one or more layers of □ with the hydrophilic groups appearing on the surface of the substrate. After developing and forming a film, the film was deposited on a substrate in a layer with hydrophilic groups appearing on the surface, and a liquid crystal display element was manufactured using the obtained film.
（ただし、式中のｎは、ｎ−５〜３０であり Ｘは、−
ＣＯＯＨ，０ＣＨｓ、ＣＯＣＨ３，０ＣＪｓ。(However, n in the formula is n-5 to 30, and X is -
COOH,0CHs, COCH3,0CJs.
ＯＲ，Ｃ０ＣＪｓ、 Ｃ００ＣＨ３１ＣＯＯＣＪｓｌＣ
Ｎ、 Ｓ■、 ＳＯ，Ｈ。OR, C0CJs, C00CH31COOCJslC
N, S■, SO, H.
０３ＯＨｓ、 Ｎｏｔ、 ０ＮＯｚ、 ＮＨＣＯＣＨｓ
、ＮＨＣＯＣｚＨｓ、のうちがら選ばれた一種類の基で
あり、Ｙは、ＮＨ＊、 Ｃ０Ｎ１ｂ。03OHs, Not, 0NOz, NHCOCHs
, NHCOCzHs, and Y is NH*, C0N1b.
ＮＨＣＯＮＨ２のうちから選ばれた一種類の基である。It is one type of group selected from NHCONH2.
）〔作用〕
水面上に展開後、基板上に一層以上付着して得られた膜
は、均一な膜であり、また、電子吸引性基Ｘもつ有機化
合物
ＣＨｚ （ＣＨ２）ｎ Ｘ
と、電子供与性基Ｙをもつ有機化合物
ＣＨａ （ＣＨｚ） ｎ Ｙ
を、液晶表示素子の上下基板上に、表面に官能基が向（
形で膜形成させることにより、強誘電液晶の短軸方向の
グイボールの向きを制御することが可能であり、単一な
ドメイン構造と、均一なメモリー効果が発現できる。こ
の結果、均一なコントラストと均一な応答特性をもつ大
容量大画面液晶素子が可能となる。) [Function] The film obtained by depositing one or more layers on the substrate after being developed on the water surface is a uniform film, and the film is a uniform film that is composed of an organic compound CHz (CH2)n An organic compound CHa (CHz) n Y having a functional group Y is placed on the upper and lower substrates of a liquid crystal display element, with the functional group facing (
By forming a film in the shape of a ferroelectric liquid crystal, it is possible to control the orientation of the gooballs in the short axis direction of the ferroelectric liquid crystal, and a single domain structure and a uniform memory effect can be achieved. As a result, a large-capacity, large-screen liquid crystal device with uniform contrast and uniform response characteristics can be achieved.
以下に、この発明の実施例を図面に基づいて説明する。 Embodiments of the present invention will be described below based on the drawings.
実施例１
第１図は、液晶素子の断面図である。ガラス基板１に透
明電極（ネサパターン）２を形成後、酸化ケイ素３を蒸
着した後、ＬＢＩＩ！Ｉ ４とＬＢＩＩ！■ ５を付
着形成し、シール材６を用いて液晶セルに組み、液晶７
を注入し、注入口を封止したものである。Example 1 FIG. 1 is a cross-sectional view of a liquid crystal element. After forming a transparent electrode (nesa pattern) 2 on a glass substrate 1 and depositing silicon oxide 3, LBII! I4 and LBII! ■ Adhere and form 5, assemble it into the liquid crystal cell using the sealant 6, and attach the liquid crystal 7.
was injected and the injection port was sealed.
第１図のＬＢ膜Ｉを形成するために以下のようにした。The following steps were taken to form the LB film I shown in FIG.
アラキシン酸
ＣＨ３（ＣＬ）＋ａ −ＣＯＯＨ
をベンゼンに溶解し、水面上に滴下展開して膜を形成し
た。Araxic acid CH3(CL)+a-COOH was dissolved in benzene and spread dropwise on the water surface to form a film.
第２図は、この水面上の膜を製作する方法を示したもの
である。水面上８に展開したアラキシン酸を浮子１１と
おもり１０で圧縮して、膜９を形成した。FIG. 2 shows a method of fabricating this membrane on the water surface. Araxic acid spread on the water surface 8 was compressed with a float 11 and a weight 10 to form a membrane 9.
第３図は、ＬＢ膜を製作する方法を示したものである。FIG. 3 shows a method for manufacturing an LB film.
浮子１１で圧縮した膜９を、ネサパターン上に酸化ケイ
素膜を形成した基板１０を、水面の上方から下降させ、
膜９と密着させ、次に、基板１０を上昇させることで、
ＬＢ膜■ ４を基板１０上に形成した。The film 9 compressed by the float 11 and the substrate 10 on which a silicon oxide film is formed on the NESA pattern are lowered from above the water surface.
By bringing the substrate 10 into close contact with the film 9 and then lifting the substrate 10,
An LB film 4 was formed on the substrate 10.
一方、第１図のＬＢ膜■を形成するために以下のように
した。On the other hand, in order to form the LB film (2) shown in FIG. 1, the following procedure was carried out.
ステアリルアミン
ＣＨ３（ＣＨ２）Ｉ？ Ｎｌ２
を、上記と同様の手順を用いて、基板上に形成した。こ
れら２種のＬＢ膜形成基板を用いて、液晶セルに組み、
強誘電液晶を注入した。均一なコントラスト、応答特性
が得られた。Stearylamine CH3(CH2)I? Nl2 was formed on the substrate using a procedure similar to that described above. Using these two types of LB film forming substrates, assemble them into a liquid crystal cell,
Injected with ferroelectric liquid crystal. Uniform contrast and response characteristics were obtained.
この実施例では酸化ケイ素を蒸着した後に、ＬＢ膜Ｉ及
びＬＢ膜■を形成したが、この酸化ケイ素の蒸着膜は形
成しなくともよい。In this example, the LB film I and the LB film (2) were formed after silicon oxide was deposited, but this vapor deposited film of silicon oxide may not be formed.
実施例２
ステアリルアルコールを、ベンゼンにｍ解し、水面上に
滴下展開して、膜を形成後、実施例１゜と同し方法を用
いて、ＬＢ膜■ ４を形成した。Example 2 Stearyl alcohol was dissolved in benzene, and the solution was dropped onto the water surface to form a film. Then, LB film 4 was formed using the same method as in Example 1.
一方、ステアリルアミンを用いて、実施例１゜と同じ方
法で、ＬＢ膜■ ５を形成した。On the other hand, LB film 5 was formed using stearylamine in the same manner as in Example 1.
液晶パネルに組み、強誘電液晶を注入したところ、均一
なコントラスト、応答特性が得られた。When assembled into a liquid crystal panel and injected with ferroelectric liquid crystal, uniform contrast and response characteristics were obtained.
この発明は、以上説明したように、一般式％式％
で表わされる有機化合物（ただし、Ｘは、ｃｏｏＨ等の
電子吸引性基である）を用い、他の一方の配向膜として
、一般式
％式％
で表わされる有機化合物（ただし、Ｙは、Ｎｌ２等の電
子供与性基である）を用い、それぞれ基板上に、表面に
官能基が表われる形で、膜形成させることにより、強誘
電液晶の短軸方向のグイボールの向きを制御することが
可能であり、単一なトメ＝７−
イン構造を、均一なメモリー効果が発現できる。As explained above, this invention uses an organic compound represented by the general formula % (where X is an electron-withdrawing group such as cooH), and as the other alignment film, an organic compound represented by the general formula % A ferroelectric liquid crystal can be produced by forming a film on each substrate using an organic compound represented by the formula % (wherein Y is an electron-donating group such as Nl2) with functional groups appearing on the surface. It is possible to control the direction of the gooballs in the direction of the short axis, and a uniform memory effect can be achieved with a single tome=7-in structure.
この結果、均一なコントラストと均一な応答特性をもつ
、大容量大画面表示素子製造を可能にした。As a result, it has become possible to manufacture large-capacity, large-screen display elements with uniform contrast and uniform response characteristics.
第１図は、液晶表示素子の断面図、第２図は、水面上の
膜製作法を示す説明図、第３図は、ＬＢ膜製作法を示す
説明図である。
１・・・基板 ２・・・ネサパターン３・・・
酸化ケイ素膜 ４・・・ＬＢＢｉＩ３・・ＬＢ膜■
６・・・シール材７・・・液晶 ８・・・水
９・・・膜 １０・・・おもり１１・・・浮
子 １２・・・基板以上FIG. 1 is a cross-sectional view of a liquid crystal display element, FIG. 2 is an explanatory diagram showing a method for manufacturing a film on a water surface, and FIG. 3 is an explanatory diagram showing a method for manufacturing an LB film. 1... Board 2... Nesa pattern 3...
Silicon oxide film 4...LBBiI3...LB film■
6...Sealing material 7...Liquid crystal 8...Water 9...Membrane 10...Weight 11...Float 12...Substrate or more
Claims (4)
に挟持された液晶層を有する液晶素子において、前記基
板間の対向面上の液晶配向膜の一方が、下記〔 I 〕で
示される有機化合物の単分子膜又はその累積膜で、他方
が下記〔II〕で示される有機化合物の単分子膜又は累積
膜であることを特徴とする液晶素子。 ＣＨ＿３（ＣＨ＿２）ｎ−Ｘ〔 I 〕 ＣＨ＿３（ＣＨ＿２）ｎ−Ｙ〔II〕 （ただし、式中のｎはｎ＝５〜３０であり、Ｘは、ＣＯ
ＯＨ、ＯＣＨ＿３、ＣＯＣＨ＿３、ＯＣ＿２Ｈ＿５、Ｏ
Ｈ、ＣＯＣ＿２Ｈ＿５、ＣＯＯＣＨ＿３、ＣＯＯＣ＿２
Ｈ＿５、ＣＮ、ＳＨ、ＳＯ＿３Ｈ、ＯＳＯ＿３Ｈ、ＮＯ
＿２、ＯＮＯ＿２ＮＨＣＯＣＨ＿３、ＮＨＣＯＣ＿２Ｈ
＿５のうちから選ばれた一種類の基であり、ＹはＮｈ＿
２、ＣＯＮＨ＿２、ＮＨＣＯＮＨ＿２、のうちから選ば
れた一種類の基である。）(1) In a liquid crystal element having a liquid crystal layer sandwiched between a pair of substrates each having a liquid crystal alignment film formed on a transparent electrode, one of the liquid crystal alignment films on the opposing surface between the substrates is shown in [I] below. A liquid crystal element characterized in that the other is a monomolecular film or a cumulative film of an organic compound represented by the following [II]. CH_3(CH_2)n-X[I] CH_3(CH_2)n-Y[II] (However, n in the formula is n=5 to 30, and X is CO
OH, OCH_3, COCH_3, OC_2H_5, O
H, COC_2H_5, COOCH_3, COOC_2
H_5, CN, SH, SO_3H, OSO_3H, NO
_2, ONO_2NHCOCH_3, NHCOC_2H
One type of group selected from _5, Y is Nh_
2, CONH_2, and NHCONH_2. )
II〕で示される式のＸ及びＹが液晶層側に現れている液
晶素子。(2) In claim 1, [I] and [
A liquid crystal element in which X and Y of the formula shown in [II] appear on the liquid crystal layer side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3268687A JPS63199321A (en) | 1987-02-16 | 1987-02-16 | Liquid crystal element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3268687A JPS63199321A (en) | 1987-02-16 | 1987-02-16 | Liquid crystal element |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63199321A true JPS63199321A (en) | 1988-08-17 |
Family
ID=12365754
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3268687A Pending JPS63199321A (en) | 1987-02-16 | 1987-02-16 | Liquid crystal element |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63199321A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5102084A (en) * | 1989-10-16 | 1992-04-07 | Hyundai Electronics Ind. Co., Ltd. | Positioning apparatus with gears and a pivot for angularly and longitudinally positioning the screen of a lap top computer |
| US5109572A (en) * | 1989-09-23 | 1992-05-05 | Hyundai Electronics Ind. Co., Ltd. | Locking hinge device for the LCD screen of a word processor |
-
1987
- 1987-02-16 JP JP3268687A patent/JPS63199321A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5109572A (en) * | 1989-09-23 | 1992-05-05 | Hyundai Electronics Ind. Co., Ltd. | Locking hinge device for the LCD screen of a word processor |
| US5102084A (en) * | 1989-10-16 | 1992-04-07 | Hyundai Electronics Ind. Co., Ltd. | Positioning apparatus with gears and a pivot for angularly and longitudinally positioning the screen of a lap top computer |
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