JPH01130129A - Liquid crystal element - Google Patents
Liquid crystal elementInfo
- Publication number
- JPH01130129A JPH01130129A JP28923287A JP28923287A JPH01130129A JP H01130129 A JPH01130129 A JP H01130129A JP 28923287 A JP28923287 A JP 28923287A JP 28923287 A JP28923287 A JP 28923287A JP H01130129 A JPH01130129 A JP H01130129A
- Authority
- JP
- Japan
- Prior art keywords
- liquid crystal
- substrate
- crystal element
- element according
- polymer film
- 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 70
- 239000000758 substrate Substances 0.000 claims abstract description 35
- 239000000975 dye Substances 0.000 claims abstract description 22
- 229920006254 polymer film Polymers 0.000 claims abstract description 19
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 claims description 7
- 229910001887 tin oxide Inorganic materials 0.000 claims description 7
- 239000011521 glass Substances 0.000 claims description 5
- 229920003023 plastic Polymers 0.000 claims description 4
- 239000004033 plastic Substances 0.000 claims description 4
- 239000004988 Nematic liquid crystal Substances 0.000 claims description 3
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 3
- 239000004990 Smectic liquid crystal Substances 0.000 claims description 3
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 3
- 239000004800 polyvinyl chloride Substances 0.000 claims description 3
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 3
- CPELXLSAUQHCOX-UHFFFAOYSA-M Bromide Chemical compound [Br-] CPELXLSAUQHCOX-UHFFFAOYSA-M 0.000 claims description 2
- 239000004986 Cholesteric liquid crystals (ChLC) Substances 0.000 claims description 2
- DPOPAJRDYZGTIR-UHFFFAOYSA-N Tetrazine Chemical compound C1=CN=NN=N1 DPOPAJRDYZGTIR-UHFFFAOYSA-N 0.000 claims description 2
- 239000001000 anthraquinone dye Substances 0.000 claims description 2
- 239000000987 azo dye Substances 0.000 claims description 2
- 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 claims description 2
- 229920002239 polyacrylonitrile Polymers 0.000 claims description 2
- 125000005504 styryl group Chemical group 0.000 claims description 2
- 229920000642 polymer Polymers 0.000 claims 4
- 229920002554 vinyl polymer Polymers 0.000 claims 1
- 230000005684 electric field Effects 0.000 abstract description 13
- 230000000694 effects Effects 0.000 abstract description 7
- 230000003287 optical effect Effects 0.000 abstract 1
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 12
- 239000000243 solution Substances 0.000 description 6
- 210000004027 cell Anatomy 0.000 description 5
- 230000008020 evaporation Effects 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000005669 field effect Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 210000002858 crystal cell Anatomy 0.000 description 1
- 229920005597 polymer membrane Polymers 0.000 description 1
- 239000003566 sealing 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〕
この発明は、液晶表示素子、液晶シャッタ等の液晶素子
に関するものである。DETAILED DESCRIPTION OF THE INVENTION [Industrial Field of Application] The present invention relates to liquid crystal elements such as liquid crystal display elements and liquid crystal shutters.
この発明は、液晶素子の構成において、透明電極が形成
された基板と、基板上に形成された液晶及び二色性色素
を含む高分子膜と、高分子膜上に形成された透明電極と
から構成することにより、セル構造をとらないため、ギ
ャップコントロールが不要であり、高分子膜中で液晶が
配向するため、配向膜が不要であり、また基板が一枚で
すみ、大面積化も容易であるなど、簡単な構成で液晶素
子の機能を発現させるようにしたものである。This invention provides a structure for a liquid crystal element that includes a substrate on which a transparent electrode is formed, a polymer film containing a liquid crystal and a dichroic dye formed on the substrate, and a transparent electrode formed on the polymer film. This structure eliminates the need for gap control because it does not have a cell structure, and since the liquid crystal is aligned in the polymer film, no alignment film is required.Also, only one substrate is required, making it easy to increase the area. The function of a liquid crystal element can be realized with a simple structure.
従来、液晶素子としては、
（ａ） ゲストホスト型液晶素子
ｆｂ） ツイストネマティック電界効果型液晶素子ｌ
ｅｔ 誘起複屈折電界効果型液晶素子Ｔｄ＋ 動的
散乱型液晶素子
ｆｅ） 配向振動型液晶素子
などがあった。Conventionally, liquid crystal elements include (a) guest-host type liquid crystal element fb) twisted nematic field effect type liquid crystal element l
et Induced birefringence field effect type liquid crystal element Td+ Dynamic scattering type liquid crystal element fe) Orientation vibration type liquid crystal element, etc.
そのうち、ｆａｌのゲストホスト型液晶素子としては、
第２図に示すように基板ｌ上に透明電極２と液晶配向膜
４を形成し、二枚の基板をシール材３を用いて液晶セル
に組み、二色性色素６を混合した液晶５を注入しり構造
の液晶素子が用いられていた。Among these, fal guest-host type liquid crystal elements include:
As shown in FIG. 2, a transparent electrode 2 and a liquid crystal alignment film 4 are formed on a substrate 1, the two substrates are assembled into a liquid crystal cell using a sealing material 3, and a liquid crystal 5 mixed with a dichroic dye 6 is formed. A liquid crystal element with an injection edge structure was used.
しかし、従来の液晶素子はセル構造をとるため、ギャッ
プコントロールが必要であり、また液晶注入の際の液晶
層の不均一配向が問題になっていた。However, since conventional liquid crystal elements have a cell structure, gap control is required, and non-uniform alignment of the liquid crystal layer during injection of liquid crystal has been a problem.
また、大画面の表示素子を構成する場合、セル構造を保
持するためには、強固なガラス基板が必要となり、全体
の重量が大きくなりすぎる問題が生じていた。Further, when configuring a display element with a large screen, a strong glass substrate is required to maintain the cell structure, resulting in the problem that the overall weight becomes too large.
そこで、この発明は従来のこのような欠点を解決するた
め、セル構造をとらない液晶素子を得ることを目的とし
ている。Therefore, in order to solve these conventional drawbacks, the present invention aims to provide a liquid crystal element that does not have a cell structure.
上記問題点を解決するために、この発明は液晶素子の構
成において、透明電極が形成された基板と、基板上に形
成された液晶及び二色性色素を含む高分子膜と、高分子
膜上に形成された透明電極とから構成することにした。In order to solve the above problems, the present invention provides a structure of a liquid crystal element including a substrate on which a transparent electrode is formed, a polymer film containing a liquid crystal and a dichroic dye formed on the substrate, and a polymer film on the polymer film. It was decided that the structure would consist of transparent electrodes formed on the substrate.
上記のように構成された液晶素子は、高分子膜に透明電
極を介して電界を印加することにより、液晶分子と二色
性色素分子の分子配列が変化し、透過光及び吸収光が変
化し３、表示素子及び光シヤツターとして、従来の液晶
素子と同様の作用を有し、さらに基板が一枚ですみ、ギ
ャップコントロールが不要であり、高分子膜中で液晶が
配向するため、配向膜が不要であり、大面積素子を形成
する際、軽い素子構成が可能である。In the liquid crystal element configured as described above, by applying an electric field to the polymer film through the transparent electrode, the molecular arrangement of the liquid crystal molecules and dichroic dye molecules changes, and the transmitted light and absorbed light change. 3. As a display element and a light shutter, it has the same effect as a conventional liquid crystal element, and in addition, only one substrate is required, no gap control is required, and since the liquid crystal is aligned in the polymer film, the alignment film is It is not necessary, and when forming a large area device, a lightweight device construction is possible.
Ｃ実施例〕 以下に、この発明の実施例を図面に基づいて説明する。C Example] Embodiments of the present invention will be described below based on the drawings.
実施例１
第１図において、ガラス基板１上にＩＴＯｉ３明電極２
ａを形成する。ネマティック液晶５とアゾ系色素６とポ
リビニルアルコール７をクロロホルムに溶解し、水面上
に滴下展間して膜を形成後、上記基板上に付着形成した
。さらに、ＩＴＯ透明電極２ｂを形成した。偏光板を通
した偏光を素子に入射した後の透過光は無色であるが、
電界をかけた状態では有色であった。これにより、従来
のゲストホスト型液晶素子と同様の作用を持つことがわ
かった。Example 1 In FIG. 1, an ITOi3 bright electrode 2 is placed on a glass substrate 1.
form a. Nematic liquid crystal 5, azo dye 6, and polyvinyl alcohol 7 were dissolved in chloroform, and the solution was dropped and spread on the water surface to form a film, which was then deposited on the substrate. Furthermore, an ITO transparent electrode 2b was formed. The transmitted light after polarized light passes through a polarizing plate and enters the element is colorless, but
It was colored when an electric field was applied. As a result, it was found that the device had the same effect as a conventional guest-host type liquid crystal device.
実施例２
ガラス基板上に酸化スズ透明電極を形成後、カイラルネ
マテインク液晶とアントラキノン系色素とポリ塩化ビニ
ルのクロロホルム溶液を基板上にキャストし膜を形成し
た。溶媒蒸発後、酸化スズ透明電極を形成した。電界を
かけない状態では有色であるが、電界をかけると無色に
なり、液晶素子としての作用があった。Example 2 After forming a tin oxide transparent electrode on a glass substrate, a chloroform solution of chiral nemate ink liquid crystal, anthraquinone dye, and polyvinyl chloride was cast on the substrate to form a film. After evaporation of the solvent, a tin oxide transparent electrode was formed. It was colored when no electric field was applied, but when an electric field was applied, it became colorless and acted as a liquid crystal element.
実施例３
プラスチック基板上にＩＴＯｉ３明電極を形電極、スメ
クティソク液晶とテトラジン系色素とポリアクリロニト
リルのクロロホルム溶液を水面上に滴下展開して膜を形
成し、上記基板上に付着形成した。さらにＩＴＯｉ３明
電極を形電極た。電界をかけない状態では有色であるが
、電界をかけると無色になり、液晶素子としての作用が
あった。Example 3 An ITOi3 bright electrode was placed on a plastic substrate, and a chloroform solution of Smectisok liquid crystal, tetrazine dye, and polyacrylonitrile was dropped onto the water surface to form a film, which was then deposited on the substrate. Furthermore, an ITOi3 bright electrode was used as a shaped electrode. It was colored when no electric field was applied, but when an electric field was applied, it became colorless and acted as a liquid crystal element.
実施例４
プラスチック基板上に酸化スズ透明電極を形成後、カイ
ラルスメクティック液晶とメロシアニン系色素とポリ臭
化ビニクのクロロホルム溶液を基板上にキャストし膜を
形成した。、溶媒蒸発後、酸化スズ透明電極を形成した
。電界をかけない状態では有色であるが、電界をかける
と無色になり、液晶素子としての作用があった。Example 4 After forming a tin oxide transparent electrode on a plastic substrate, a chloroform solution of chiral smectic liquid crystal, merocyanine dye, and polyvinic bromide was cast on the substrate to form a film. After evaporation of the solvent, a tin oxide transparent electrode was formed. It was colored when no electric field was applied, but when an electric field was applied, it became colorless and acted as a liquid crystal element.
実施例５
ガラス基板上に酸化スズ透明電極を形成後、ネマティッ
ク液晶とアゾメチン系色素とポリビニルアルコールのク
ロロホルム溶液を基板上にキャストし膜を形成した。溶
媒蒸発後、酸化スズ透明電極を形成した。電界をかけな
い状態の偏光透過光は無色であるが、電界をかけた状態
では有色であった。Example 5 After forming a tin oxide transparent electrode on a glass substrate, a chloroform solution of a nematic liquid crystal, an azomethine dye, and polyvinyl alcohol was cast on the substrate to form a film. After evaporation of the solvent, a tin oxide transparent electrode was formed. The polarized transmitted light was colorless when no electric field was applied, but it was colored when an electric field was applied.
実施例６
プラスチック基板上にＩＴＯｉ３明電極を形電極、カイ
ラルネマティック液晶とスチリル系色素とポリ塩化ビニ
ルのクロロホルム溶液を水面上に滴下展開して膜を形成
し、上記基板上に付着形成した。Example 6 An ITOi3 bright electrode was placed on a plastic substrate, and a chloroform solution of chiral nematic liquid crystal, styryl dye, and polyvinyl chloride was dropped onto the water surface to form a film, which was then deposited on the substrate.
電界をかけない状態では有色であるが、電界をかけた状
態では有色であった。It was colored when no electric field was applied, but it was colored when an electric field was applied.
この発明は、以上説明したように液晶素子の構成におい
て、透明電極が形成された基板と、基板上に形成された
液晶及び二色性色素を含む高分子膜と、高分子膜上に形
成された透明電極とから構成することにより、セル構造
をとらないため、基板が一枚ですみ、ギャップコントロ
ールが不要であり、配向膜も不要であり、大面積化も容
易であるなど、簡単な構成で液晶素子の機能を発現させ
る効果がある。As explained above, in the structure of a liquid crystal element, this invention includes a substrate on which a transparent electrode is formed, a polymer film containing liquid crystal and a dichroic dye formed on the substrate, and a polymer film formed on the polymer film. Since it does not have a cell structure, only one substrate is required, no gap control is required, no alignment film is required, and it is easy to increase the area. This has the effect of developing the functions of the liquid crystal element.
第１図は本発明の液晶素子の断面図、第２図は従来の液
晶素子の断面図である。
１ ・ ・ ・ ・ ・ ・ ・ ・ 基牟反２．２ａ
、２ｂ・・透明電極
３・・・・・・・・シール部
４・・・・・・・・配向膜
５・・・・・・・・液晶
６・・・・・・・・二色性色素
７・・・・・・・・高分子膜
以上
出願人 セイコー電子工業株式会社
３鶴系壬の断面図
艷粂の″、数馳柔Ｊの断面図
第２図FIG. 1 is a sectional view of a liquid crystal element according to the present invention, and FIG. 2 is a sectional view of a conventional liquid crystal element. 1 ・ ・ ・ ・ ・ ・ ・ Motomutan 2.2a
, 2b...Transparent electrode 3...Seal portion 4...Alignment film 5...Liquid crystal 6...Dichroism Dye 7... Polymer membrane or more Applicant: Seiko Electronics Co., Ltd. 3 Cross-sectional view of Tsuru-kei tsuki Figure 2
Claims (19)
た液晶及び二色性色素を含む高分子膜と、高分子膜上に
形成された透明電極とからなることを特徴とする液晶素
子。(1) A liquid crystal characterized by comprising a substrate on which a transparent electrode is formed, a polymer film containing a liquid crystal and a dichroic dye formed on the substrate, and a transparent electrode formed on the polymer film. element.
第１項記載の液晶素子。(2) The liquid crystal element according to claim 1, wherein the liquid crystal is a nematic liquid crystal.
求の範囲第１項記載の液晶素子。(3) The liquid crystal element according to claim 1, wherein the liquid crystal is a chiral nematic liquid crystal.
囲第１項記載の液晶素子。(4) The liquid crystal element according to claim 1, wherein the liquid crystal is a smectic liquid crystal.
請求の範囲第１項記載の液晶素子。(5) The liquid crystal element according to claim 1, wherein the liquid crystal is a chiral smectic liquid crystal.
の範囲第１項記載の液晶素子。(6) The liquid crystal device according to claim 1, wherein the polymer is polyvinyl alcohol.
１項記載の液晶素子。(7) The liquid crystal element according to claim 1, wherein the polymer is polyvinyl chloride.
範囲第１項記載の液晶素子。(8) The liquid crystal element according to claim 1, wherein the polymer is polyacrylonitrile.
１項記載の液晶素子。(9) The liquid crystal element according to claim 1, wherein the polymer is polyvinyl bromide.
囲第１項記載の液晶素子。(10) The liquid crystal element according to claim 1, wherein the dichroic dye is an azo dye.
請求の範囲第１項記載の液晶素子。(11) The liquid crystal element according to claim 1, wherein the dichroic dye is an anthraquinone dye.
求の範囲第１項記載の液晶素子。(12) The liquid crystal device according to claim 1, wherein the dichroic dye is an azomethine dye.
請求の範囲第１項記載の液晶素子。(13) The liquid crystal element according to claim 1, wherein the dichroic dye is a merocyanine dye.
の範囲第１項記載の液晶素子。(14) The liquid crystal element according to claim 1, wherein the dichroic dye is a styryl dye.
求の範囲第１項記載の液晶素子。(15) The liquid crystal element according to claim 1, wherein the dichroic dye is a tetrazine dye.
項記載の液晶素子。(16) Claim 1, wherein the substrate is a glass substrate.
The liquid crystal element described in .
囲第１項記載の液晶素子。(17) The liquid crystal device according to claim 1, wherein the substrate is a plastic substrate.
第１項記載の液晶素子。(18) The liquid crystal element according to claim 1, wherein the transparent electrode is a tin oxide film.
１項記載の液晶素子。(19) The liquid crystal element according to claim 1, wherein the transparent electrode is an ITO film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP28923287A JPH01130129A (en) | 1987-11-16 | 1987-11-16 | Liquid crystal element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP28923287A JPH01130129A (en) | 1987-11-16 | 1987-11-16 | Liquid crystal element |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01130129A true JPH01130129A (en) | 1989-05-23 |
Family
ID=17740495
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP28923287A Pending JPH01130129A (en) | 1987-11-16 | 1987-11-16 | Liquid crystal element |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01130129A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5214468A (en) * | 1991-05-28 | 1993-05-25 | Fuji Photo Film Co., Ltd. | Method of controlling output condition of abnormality signal in photographic film carrier and apparatus thereof, and photographic film carrier |
| US5260740A (en) * | 1991-05-28 | 1993-11-09 | Fuji Photo Film Co., Ltd. | Method of detecting image frame and apparatus thereof, method of positioning image frame, photographic film carrier, and method of printing photographic film |
| US5555181A (en) * | 1991-05-28 | 1996-09-10 | Fuji Photo Film Co., Ltd. | Method of positioning image frame and photographic film carrier |
| CN107526197A (en) * | 2016-06-22 | 2017-12-29 | 默克专利股份有限公司 | Optical switch part |
-
1987
- 1987-11-16 JP JP28923287A patent/JPH01130129A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5214468A (en) * | 1991-05-28 | 1993-05-25 | Fuji Photo Film Co., Ltd. | Method of controlling output condition of abnormality signal in photographic film carrier and apparatus thereof, and photographic film carrier |
| US5260740A (en) * | 1991-05-28 | 1993-11-09 | Fuji Photo Film Co., Ltd. | Method of detecting image frame and apparatus thereof, method of positioning image frame, photographic film carrier, and method of printing photographic film |
| US5555181A (en) * | 1991-05-28 | 1996-09-10 | Fuji Photo Film Co., Ltd. | Method of positioning image frame and photographic film carrier |
| CN107526197A (en) * | 2016-06-22 | 2017-12-29 | 默克专利股份有限公司 | Optical switch part |
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