JPH04152324A - Light control constituting body - Google Patents
Light control constituting bodyInfo
- Publication number
- JPH04152324A JPH04152324A JP27615590A JP27615590A JPH04152324A JP H04152324 A JPH04152324 A JP H04152324A JP 27615590 A JP27615590 A JP 27615590A JP 27615590 A JP27615590 A JP 27615590A JP H04152324 A JPH04152324 A JP H04152324A
- Authority
- JP
- Japan
- Prior art keywords
- light control
- liquid crystal
- transparent
- laminate
- control structure
- 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 claims abstract description 38
- 229920005989 resin Polymers 0.000 claims abstract description 14
- 239000011347 resin Substances 0.000 claims abstract description 14
- 229920000728 polyester Polymers 0.000 claims abstract description 8
- 229920002678 cellulose Polymers 0.000 claims abstract description 7
- 239000001913 cellulose Substances 0.000 claims abstract description 7
- 239000000758 substrate Substances 0.000 claims abstract description 7
- 229920006352 transparent thermoplastic Polymers 0.000 claims abstract description 5
- 239000002952 polymeric resin Substances 0.000 claims description 9
- 229920003002 synthetic resin Polymers 0.000 claims description 9
- 239000000203 mixture Substances 0.000 claims description 4
- 229920002037 poly(vinyl butyral) polymer Polymers 0.000 claims description 4
- 239000004925 Acrylic resin Substances 0.000 claims description 2
- 239000005264 High molar mass liquid crystal Substances 0.000 claims description 2
- 229920006254 polymer film Polymers 0.000 abstract description 11
- 239000011521 glass Substances 0.000 abstract description 10
- 238000007789 sealing Methods 0.000 abstract description 8
- 238000010030 laminating Methods 0.000 abstract description 4
- 230000000740 bleeding effect Effects 0.000 abstract 1
- 238000002788 crimping Methods 0.000 abstract 1
- 239000010408 film Substances 0.000 description 25
- 229920005992 thermoplastic resin Polymers 0.000 description 4
- 239000005340 laminated glass Substances 0.000 description 3
- 239000004014 plasticizer Substances 0.000 description 3
- 229920006267 polyester film Polymers 0.000 description 3
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005191 phase separation Methods 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- WLPATYNQCGVFFH-UHFFFAOYSA-N 2-phenylbenzonitrile Chemical group N#CC1=CC=CC=C1C1=CC=CC=C1 WLPATYNQCGVFFH-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- RWIONJKKCNYNOQ-UHFFFAOYSA-N carbonic acid;ethyl carbamate;prop-2-enoic acid Chemical compound OC(O)=O.OC(=O)C=C.CCOC(N)=O RWIONJKKCNYNOQ-UHFFFAOYSA-N 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 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
- 229910052809 inorganic oxide Inorganic materials 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000003094 microcapsule Substances 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 description 1
- 229910001887 tin oxide Inorganic materials 0.000 description 1
- 239000011787 zinc oxide 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〉
不発明は透明導電フィルム等の透明電極層への電圧の印
加により、透明、不透明を制御できる調光積層体を用い
、ガラス、あるいは透明プラスチックシートと熱可塑性
樹脂で積層した調光構成体に関する。[Detailed description of the invention] <Industrial application field> The invention uses a light control laminate that can control transparency and opacity by applying voltage to a transparent electrode layer such as a transparent conductive film, and uses glass or transparent plastic. This invention relates to a light control structure laminated with a sheet and a thermoplastic resin.
〈従来技術〉
フィルム状の液晶調光体をガラス等で積層した、いわゆ
る合わせガラス化した調光窓はすでに各種イベント、室
内窓、室内間仕切り等に利用されている。<Prior Art> Light control windows made of so-called laminated glass, in which a film-like liquid crystal light control body is laminated with glass, etc., are already used for various events, indoor windows, room partitions, etc.
しかし、現在の調光窓においては耐久性が不足のため、
室内での使用に留まっている。これは従来の調光窓では
屋外、その他苛酷な条件下で使用した場合、合わせガラ
ス化するために使用される熱可塑性樹脂、あるいはその
中の可塑剤によって液晶調光フィルムの液晶層が侵され
長期使用に耐えないためである。However, due to the lack of durability in current dimming windows,
It is only used indoors. This is because when conventional light control windows are used outdoors or under other harsh conditions, the liquid crystal layer of the liquid crystal light control film is attacked by the thermoplastic resin used for laminating the glass or the plasticizer in it. This is because it cannot withstand long-term use.
〈発明が解決しようとする課題〉
本発明は上記問題点を解決するなめ、液晶調光構成体の
端面の封止方法を提供するものである。<Problems to be Solved by the Invention> In order to solve the above-mentioned problems, the present invention provides a method for sealing an end face of a liquid crystal light control structure.
すなわち、調光フィルム等の調光積層体端面を特定の高
分子フィルムテープを用いて封止することにより耐久性
に優れた調光構成体を提供するものである。That is, by sealing the end face of a light control laminate such as a light control film using a specific polymer film tape, a light control structure with excellent durability is provided.
く課題を解決する手段〉
本発明は透明な電極を有する導電性基板例えば透明導電
性フィルム及びそれで挟持された高分子樹脂と液晶との
混合体からなる液晶層からなる調光積層体を有し、該透
明電極層への電圧の印加の有無に応じて透明不透明を制
御できる調光構成体において、該調光積層体の端面をポ
リエステル系又はセルロース系テープを用いて封止した
後、必要に応じ透明熱可塑性樹脂を用いてガラス、透明
プラスチックシート等の透明基板と積層してなる調光構
成体である。Means for Solving the Problems The present invention has a light control laminate comprising a conductive substrate having a transparent electrode, such as a transparent conductive film, and a liquid crystal layer made of a mixture of a polymer resin and liquid crystal sandwiched therebetween. , in a light control structure that can control transparency and opacity depending on whether or not a voltage is applied to the transparent electrode layer, after sealing the end face of the light control laminate with a polyester or cellulose tape, as necessary. This is a light control structure formed by laminating a transparent substrate such as glass or a transparent plastic sheet using a transparent thermoplastic resin.
本発明の詳細な説明を図を用いて説明する。A detailed explanation of the present invention will be explained using the drawings.
図１は本発明の調光構成体例えば窓の断面構造の一例を
示しな。FIG. 1 shows an example of the cross-sectional structure of a light control structure, such as a window, according to the present invention.
調光フィルム層（１０）を形成する透明導電性フィルム
（１）は、透明性に優れたポリエステルフィルムで代表
される高分子フィルム基板（２）上に錫を含んだ酸化イ
ンジューム（ＩＴ○）膜（３）を堆積して形成される。The transparent conductive film (1) forming the light control film layer (10) is made of tin-containing indium oxide (IT○) on a polymer film substrate (2), typically a polyester film with excellent transparency. It is formed by depositing a film (3).
透明導電性膜としてはＩＴＯ膜に限定されるものではな
く、酸化亜鉛、酸化錫等の無機酸化物を始め、金属薄膜
、あるいは誘電体層で挟持された金属薄膜等が用いられ
る。The transparent conductive film is not limited to an ITO film, and may include inorganic oxides such as zinc oxide and tin oxide, metal thin films, or metal thin films sandwiched between dielectric layers.
液晶と高分子樹脂との混合体（４）としては、液晶をマ
イクロカプセル中に閉じ込めた液晶層を高分子樹脂中に
分散させたもの、あるいは多孔質高分子樹脂中に液晶を
充填したもの、あるいは高分子樹脂中に相分離を利用し
て孤立した液晶層、あるいは一部分が連続的につながっ
た液晶層を析出させたものなどが用いられる。The mixture (4) of liquid crystal and polymer resin is one in which a liquid crystal layer in which liquid crystal is confined in microcapsules is dispersed in polymer resin, or one in which liquid crystal is filled in porous polymer resin. Alternatively, a liquid crystal layer in which isolated liquid crystal layers or partially continuous liquid crystal layers are deposited in a polymer resin by utilizing phase separation may be used.
この中でも相分離を用いて作成した液晶膜は均一な液晶
層が得られ、低電圧の印加で透明、不透明が制御できる
ため好適に用いられる。その中でも高分子樹脂としてア
クリレート系樹脂で代表される紫外線硬化樹脂を用いた
ものが製造の容易さ等から好ましい。Among these, a liquid crystal film created using phase separation is preferably used because a uniform liquid crystal layer can be obtained and transparency and opacity can be controlled by applying a low voltage. Among these, those using ultraviolet curing resins such as acrylate resins as polymer resins are preferred from the viewpoint of ease of manufacture.
液晶フィルムの端面では導電層、液晶層が露出し７てお
り、端面に圧力などが掛かると液晶層のにしみ出し、導
電層間の短絡などが発生し易く取扱に注意が必要である
。上記不都合の防止、あるいは耐久性の向上のために端
面の封止が必要である。The conductive layer and liquid crystal layer are exposed at the edge of the liquid crystal film, and when pressure is applied to the edge, the liquid crystal layer oozes out and short circuits between the conductive layers are likely to occur, so care must be taken when handling. In order to prevent the above-mentioned disadvantages or improve durability, it is necessary to seal the end faces.
端面の封止方法としては高分子樹脂の塗工、高分子フィ
ルムテープの貼付等がある。Methods for sealing the end face include coating with polymer resin, pasting with polymer film tape, and the like.
端面を高分子樹脂で塗工し、封止する場合、ピンホール
やクラック無しに均一な封止膜を得ることが困難である
。一方高分子フィルムテーブを貼付する場合には均一に
、かつ簡便に行うことができる。高分子フィルムテープ
（５）としては透明な高分子フィルムテープが使用され
、中でもポリエステルチーブ、セルローステープが好適
に用いられる。高分子フィルムテープは合わせガラス化
時に使用される熱可塑性樹脂成分、あるいは樹脂中の可
塑剤の液晶層への浸透を防ぐ働きをする。上記浸透を防
ぐためにも、高分子フィルムテープは液晶フィルム端面
から３ｍｍ以上の幅にわたって設けられる。When sealing an end face by coating it with a polymer resin, it is difficult to obtain a uniform sealing film without pinholes or cracks. On the other hand, when attaching a polymer film tape, it can be done uniformly and easily. As the polymer film tape (5), a transparent polymer film tape is used, and among them, polyester tape and cellulose tape are preferably used. The polymer film tape functions to prevent the thermoplastic resin component used during laminated glass formation, or the plasticizer in the resin, from penetrating into the liquid crystal layer. In order to prevent the above penetration, the polymer film tape is provided over a width of 3 mm or more from the end surface of the liquid crystal film.
合わせガラス化に使用される熱可塑性樹脂（６）として
はポリビニルブチラールが広く用いられ、その中には可
塑剤が用いられている。Polyvinyl butyral is widely used as the thermoplastic resin (6) used in laminated glass formation, and a plasticizer is used therein.
窓材としてはガラス板（７）、透明高分子シート等が用
いられる。As the window material, a glass plate (7), a transparent polymer sheet, etc. are used.
以下実施例を挙げて説明する。This will be explained below with reference to examples.
実施例
１２５μｍ厚のポリエステルフィルム上に設けた面積抵
抗３００Ω／口の酸化インジューム層を導電層とする透
明導電性フィルムを用い、この導電性層上にカーボネー
トウレタンアクリレート樹脂（根土工業製、ｔｌＮ１０
１０樹脂）とシアノビフェニル系液晶（メルク社製、Ｅ
−８）を４０ ＋ ６０で混合した樹脂混合体を塗工し
た。更にこの樹脂上に別の透明導電性フィルムを導電面
が液晶層に接するようにラミネートした後、紫外線を樹
脂層に照射し硬化させた。この紫外線照射工程によって
液晶が液晶層として相分離し、液晶フィルムが得られた
。Example 1 A transparent conductive film having an oxide indium layer with a sheet resistance of 300 Ω/hole provided on a 25 μm thick polyester film was used as the conductive layer, and carbonate urethane acrylate resin (manufactured by Nedo Kogyo Co., Ltd., tlN10) was used on this conductive layer.
10 resin) and cyanobiphenyl liquid crystal (manufactured by Merck & Co., Ltd., E
A resin mixture prepared by mixing 40 + 60 of -8) was applied. Further, another transparent conductive film was laminated on top of this resin so that its conductive surface was in contact with the liquid crystal layer, and then the resin layer was irradiated with ultraviolet rays and cured. Through this ultraviolet irradiation step, the liquid crystal phase-separated into a liquid crystal layer, and a liquid crystal film was obtained.
液晶フィルムは適当な大きさに切断し、その２辺からは
導電層に電圧を印加するための取り出し電極を設けた。The liquid crystal film was cut to an appropriate size, and lead-out electrodes were provided from two sides of the film to apply a voltage to the conductive layer.
取り出し電極は銀ペーストを塗工し２て設けた。液晶フ
ィルムの４辺は図２に示したごとく、ポリエステルテー
プ（３Ｍ社製、スコッチテープ）あるいはセルロース系
テープ（種水化成社製）を用い液晶フィルム端面から３
ｒｌｔＩＴ＋の幅に渡って貼付し、封止した。この２種
類の液晶フィルムを３００μｍ厚のポリビニルブチラー
ルフィルムと３ｍｍ厚のガラス板によって両面から挟み
、１２０℃、 ２０分の予備接着、１２０°Ｃ，３０分
、１３気圧でのオートクレーブ処理による本接着により
合わせガラス化を行い調光構成体を得た。本発明の２種
類のテープで封止した調光構成体を真夏の８月、東京郊
外で屋外暴露テストを行った結果、耐久性良く、何等外
観の変化もなく、また電圧の印加による透明、不透明の
変化性能を維持することがわかっな。The extraction electrode was provided by applying silver paste. As shown in Figure 2, the four sides of the liquid crystal film are lined with polyester tape (manufactured by 3M, Scotch Tape) or cellulose tape (manufactured by Tanesui Kasei Co., Ltd.) at three sides from the edge of the liquid crystal film.
It was pasted across the width of rltIT+ and sealed. These two types of liquid crystal films were sandwiched from both sides by a 300 μm thick polyvinyl butyral film and a 3 mm thick glass plate, followed by preliminary adhesion at 120°C for 20 minutes and main adhesion by autoclave treatment at 120°C for 30 minutes at 13 atm. A light control structure was obtained by laminating glass. The light control structure sealed with two types of tape of the present invention was subjected to an outdoor exposure test in midsummer in the suburbs of Tokyo in August, and the results showed that it was durable, had no change in appearance, and became transparent when voltage was applied. It was found that the opaque change performance was maintained.
一方、比較例として液晶フィルムの端面を封止せずに合
わせガラス化した調光構成体では屋外暴露テストの結果
、液晶層端面から約５ｏｗｎ幅にわたって劣化が生じ、
透明、不透明の動作が端面では不十分であることが判っ
た。On the other hand, as a comparative example, in a light control structure in which the end face of the liquid crystal film was laminated into glass without being sealed, as a result of an outdoor exposure test, deterioration occurred over a width of approximately 5 own from the end face of the liquid crystal layer.
It was found that the operation of transparency and opacity was insufficient at the end face.
以上のごとく本発明の調光構成体が有効であることが判
った。As described above, the light control structure of the present invention was found to be effective.
図１に本発明の調光構成体の断面構造の一部を示す。図
２に液晶フィルム端面に施工した端面封止を模式的に示
した。
（１）導電性フィルム、（２）ポリエステルフィルム、
（３１ＩＴＯ層、（４）液晶層、（５）ポリエステルテ
ープ、（６）ポリビニルブチラール樹脂、（７）ガラス
板、（８）銀ペースト、 （１０）調光積層体。
図
！
図FIG. 1 shows a part of the cross-sectional structure of the light control structure of the present invention. FIG. 2 schematically shows the end face sealing applied to the end face of the liquid crystal film. (1) conductive film, (2) polyester film,
(31 ITO layer, (4) liquid crystal layer, (5) polyester tape, (6) polyvinyl butyral resin, (7) glass plate, (8) silver paste, (10) light control laminate. Figure! Figure
Claims (4)
挟持された高分子樹脂と液晶との混合体からなる液晶層
からなる調光積層体を有し、該透明電極層への電圧の印
加の有無に応じて透明不透明を制御できる調光構成体に
おいて、該調光積層体の端面をポリエステル系またはセ
ルロース系テープを用いて封止した後、必要に応じ更に
透明熱可塑性樹脂を用いて透明基板と積層してなる調光
構成体。(1) A light control laminate consisting of a plurality of transparent substrates having transparent electrode layers and a liquid crystal layer made of a mixture of polymer resin and liquid crystal sandwiched between them, and applying a voltage to the transparent electrode layers. In a light control structure that can control transparency and opacity depending on the presence or absence of the light control structure, after the end face of the light control laminate is sealed using polyester tape or cellulose tape, if necessary, a transparent thermoplastic resin is further used to seal the end face of the light control laminate. A light control structure that is laminated with a substrate.
主体とする樹脂であることを特徴とする請求項１記載の
調光構成体。(2) The light control structure according to claim 1, wherein the transparent thermoplastic resin is a resin mainly composed of polyvinyl butyral.
ポリエステル系またはセルロース系テープで封止したこ
とを特徴とする第１又は２項記載の調光構成体。(3) The light control structure according to item 1 or 2, wherein the end face of the light control laminate is sealed with a polyester or cellulose tape over a width of 3 mm or more.
散した液晶層であることを特徴とする第１〜３項記載の
いずれかの調光構成体。(4) The light control structure according to any one of items 1 to 3, wherein the liquid crystal layer is a liquid crystal layer in which liquid crystal droplets are dispersed in an acrylate resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP27615590A JPH04152324A (en) | 1990-10-17 | 1990-10-17 | Light control constituting body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP27615590A JPH04152324A (en) | 1990-10-17 | 1990-10-17 | Light control constituting body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH04152324A true JPH04152324A (en) | 1992-05-26 |
Family
ID=17565520
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP27615590A Pending JPH04152324A (en) | 1990-10-17 | 1990-10-17 | Light control constituting body |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH04152324A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6864943B2 (en) | 1998-01-12 | 2005-03-08 | Semiconductor Energy Laboratory Co., Ltd. | Display device |
| JP2009098306A (en) * | 2007-10-15 | 2009-05-07 | Epson Imaging Devices Corp | Liquid crystal panel and its manufacturing method |
| WO2009110563A1 (en) * | 2008-03-05 | 2009-09-11 | 日立化成工業株式会社 | Process for producing light-modulating film and light-modulating film |
| JP2009534557A (en) * | 2006-04-20 | 2009-09-24 | ピルキントン グループ リミテッド | Window panels |
| JP2011524546A (en) * | 2008-06-17 | 2011-09-01 | ピルキントン グループ リミテッド | Sealed switchable window glass |
| JP2014182287A (en) * | 2013-03-19 | 2014-09-29 | Honda Motor Co Ltd | Light control panel structure and method for manufacturing the same |
| WO2019103115A1 (en) * | 2017-11-24 | 2019-05-31 | 大日本印刷株式会社 | Laminated glass and liquid crystal film |
| CN109952220A (en) * | 2017-10-20 | 2019-06-28 | 法国圣戈班玻璃厂 | With can electric control optical property function element |
| JP2020038264A (en) * | 2018-09-03 | 2020-03-12 | 凸版印刷株式会社 | Dimmer unit and dimmer unit with transparent plate |
-
1990
- 1990-10-17 JP JP27615590A patent/JPH04152324A/en active Pending
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7283185B2 (en) | 1998-01-12 | 2007-10-16 | Semiconductor Energy Laboratory Co., Ltd. | Display device |
| US6864943B2 (en) | 1998-01-12 | 2005-03-08 | Semiconductor Energy Laboratory Co., Ltd. | Display device |
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