JPH0659248A - Film substrate and its production - Google Patents
Film substrate and its productionInfo
- Publication number
- JPH0659248A JPH0659248A JP21295892A JP21295892A JPH0659248A JP H0659248 A JPH0659248 A JP H0659248A JP 21295892 A JP21295892 A JP 21295892A JP 21295892 A JP21295892 A JP 21295892A JP H0659248 A JPH0659248 A JP H0659248A
- Authority
- JP
- Japan
- Prior art keywords
- film substrate
- substrate
- film
- liquid crystal
- display device
- 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.)
- Granted
Links
Landscapes
- Liquid Crystal (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、液晶表示装置に用いる
フィルム基板およびその製造方法に関するものであり、
さらにこのフィルム基板を用いた液晶表示装置に関す
る。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a film substrate used in a liquid crystal display device and a method for manufacturing the same.
Further, the present invention relates to a liquid crystal display device using this film substrate.
【０００２】[0002]
【従来の技術】図１に従来の液晶表示装置を示す。従来
の液晶表示装置は、外側に偏光板２が張り付けられた一
対のガラス基板１の中にスペーサ４を介して液晶を封入
し、これらのガラス基板の内側に設けられた透明電極３
によって液晶に電圧を印加し、液晶を透過する光と偏光
板によって偏光された光の偏光軸の相違によって表示を
行うものであった。2. Description of the Related Art FIG. 1 shows a conventional liquid crystal display device. In a conventional liquid crystal display device, liquid crystal is enclosed via a spacer 4 in a pair of glass substrates 1 to which a polarizing plate 2 is attached, and a transparent electrode 3 provided inside these glass substrates.
By applying a voltage to the liquid crystal, the display is performed by the difference in the polarization axes of the light passing through the liquid crystal and the light polarized by the polarizing plate.
【０００３】[0003]
【発明が解決しようとする課題】しかしながら、従来の
液晶表示装置は基板にガラスを用いているため重量が増
してしまい、ノートパソコン、パーム・トップ・コンピ
ュータ等の携帯用機器には不向きであった。However, since the conventional liquid crystal display device uses glass for the substrate, the weight of the liquid crystal display device is increased, and it is not suitable for portable equipment such as a notebook personal computer and a palm top computer. .
【０００４】また、これら携帯用機器またはノートパソ
コン、パーム・トップ・コンピュータ等の携帯用機器以
外の情報表示機器に液晶表示装置を用いた場合にあって
も、不測の事態により液晶表示装置に強い力がかかった
ときには、ガラス基板が割れる等の不都合があり、さら
にはこのガラス基板上に偏光板を張り付けなければなら
なかった。Further, even when the liquid crystal display device is used for an information display device other than the portable device or the portable device such as a notebook computer and a palm top computer, it is resistant to the liquid crystal display device due to an unexpected situation. When a force is applied, there is an inconvenience that the glass substrate breaks, and furthermore, a polarizing plate has to be attached onto this glass substrate.
【０００５】[0005]
【課題を解決するための手段】本発明はこのような課題
を解決するために、液晶表示装置に用いるフィルム基板
が偏光板の役割をも果たすものである。According to the present invention, in order to solve such a problem, a film substrate used in a liquid crystal display device also functions as a polarizing plate.
【０００６】[0006]
【実施例】図２は本願発明の液晶表示装置に用いるフィ
ルム基板を模式的に示した図である。このフィルム基板
の基になる組成物には、ポリジエチレングリコールビス
アリルカーボネイト等の熱硬化樹脂や、ジ（メタ）アク
リートモノマーであるポリエチレングリコールジ（メ
タ）アクリート、ポリプロピレングリコールジ（メタ）
アクリート等の紫外線硬化樹脂がある。EXAMPLE FIG. 2 is a diagram schematically showing a film substrate used in the liquid crystal display device of the present invention. The composition that forms the basis of this film substrate includes thermosetting resins such as polydiethylene glycol bisallyl carbonate, polyethylene glycol di (meth) acrylate, and polypropylene glycol di (meth), which are di (meth) acrylate monomers.
There is UV curable resin such as accrete.
【０００７】図２に示されるフィルム基板５は、これら
の硬化樹脂を薄く延伸してフィルム状にしたもの、また
はこれらの硬化樹脂をポリイミド等のフレキシブル基板
たとえばポリイミド、ＰＶＡ等に塗布したもの、さらに
はポリイミド、ＰＶＡ等と硬化樹脂６を混ぜたものをフ
ィルム状に延伸したものからなる。The film substrate 5 shown in FIG. 2 is obtained by thinly stretching these cured resins to form a film, or by coating these cured resins on a flexible substrate such as polyimide such as polyimide or PVA. Is made of a mixture of polyimide, PVA, etc. and the cured resin 6 and stretched into a film.
【０００８】フィルム状態における硬化樹脂６は、モノ
マーまたはポリマーが重合しない状態か、フィルム基板
のフレキシブル状態が維持されている程度にモノマーま
たはポリマーが重合したものをフィルム状に延伸したも
のからなる。The cured resin 6 in the film state is a state in which the monomer or polymer is not polymerized or a polymer in which the monomer or polymer is polymerized to the extent that the flexible state of the film substrate is maintained, and is stretched into a film.
【０００９】本願発明においては、図２のフィルム基板
をフレキシブルな状態でロール状に巻き、表示電極の形
成、カラーフィルタの形成等の工程をフィルム基板を切
断せずに行った後、フィルム基板を熱または紫外線等に
より硬化させ、液晶を挟持する上下基板の一方または上
下の基板として用いて液晶表示装置を形成したものが本
願の液晶表示装置である。In the present invention, the film substrate of FIG. 2 is wound in a flexible state in a roll shape, and the steps of forming display electrodes, forming color filters and the like are performed without cutting the film substrate, and then the film substrate is removed. The liquid crystal display device of the present application is one in which a liquid crystal display device is formed by being cured by heat, ultraviolet rays, or the like and used as one or both of upper and lower substrates that sandwich a liquid crystal.
【００１０】この場合には、ロール状に巻かれたフィル
ム基板を引き延ばし、硬化させた後表示電極、カラーフ
ィルタ等を形成する方法、フィルム基板がフレキシブル
な状態でこれらを形成しはじめ、形成過程の熱または光
によって徐々にフィルム基板を硬化させる方法、これら
を形成後、熱または光によってフィルム基板を硬化させ
る方法のいずれでもよい。In this case, a method of forming a display electrode, a color filter, etc. after stretching a film substrate wound in a roll shape and curing the film substrate, starting to form these in a flexible state of the film substrate, Either a method of gradually curing the film substrate with heat or light, or a method of curing the film substrate with heat or light after forming them.
【００１１】さらに、ＭＩＭ素子やＦＥＭＴ素子（特開
昭）または薄膜トランジスタ等の低温または印刷法で形
成されたスイッチング素子をフィルム基板を切断せずに
形成してもよい。この場合にも、フィルム基板を硬化さ
せた後これらのスイッチング素子を形成する方法、フィ
ルム基板がフレキシブルな状態でこれらの素子を形成し
はじめ、形成過程の熱また光によって徐々にフィルム基
板を硬化させる方法、これらの素子を形成後、熱または
光によってフィルム基板を硬化させる方法のいずれでも
よい。Further, a switching element formed by a low temperature or printing method such as an MIM element, a FEMT element (Japanese Patent Laid-Open Publication) or a thin film transistor may be formed without cutting the film substrate. Also in this case, a method of forming these switching elements after curing the film substrate, starting to form these elements in a flexible state of the film substrate, and gradually curing the film substrate by heat or light in the formation process Any of the method and the method of curing the film substrate by heat or light after forming these elements may be used.
【００１２】図３は図２のフィルム基板内にヨウ素等を
混ぜ、１軸方向に延伸したものである。フィルム基板内
に混ぜる物質としては、ヨウ素、染料系物質、ポリエン
等がある。FIG. 3 shows the film substrate of FIG. 2 mixed with iodine or the like and stretched uniaxially. Substances to be mixed in the film substrate include iodine, dye-based substances, polyenes and the like.
【００１３】また、１軸方向に延伸した本願のフィルム
基板を、ヨウ素、染料系物質、ポリエン等の溶液に浸し
て偏光板としての特性を持たせてもいい。The uniaxially stretched film substrate of the present invention may be dipped in a solution of iodine, a dye-based substance, polyene or the like so as to have characteristics as a polarizing plate.
【００１４】このようにフィルム基板をつくることによ
って⇔の方向に偏光軸７を有するフィルム基板を形成す
ることができる。By making the film substrate in this way, it is possible to form the film substrate having the polarization axis 7 in the direction ⇔.
【００１５】フィルム基板の延伸の方向は、液晶表示装
置の上下基板の間に挟持する液晶の性質により決まるも
のであり、図３ではフィルム基板の巻き取り方向に偏光
軸があるが、巻き取り方向とは垂直方向であってもいい
し、その他の任意の方向に偏光軸を有するものであって
もよく、液晶表示装置の上下基板の間に挟持する液晶の
性質に偏光軸は依存する。The stretching direction of the film substrate is determined by the nature of the liquid crystal sandwiched between the upper and lower substrates of the liquid crystal display device. In FIG. 3, the film substrate has a polarization axis in the winding direction. May be in the vertical direction or may have a polarization axis in any other direction, and the polarization axis depends on the properties of the liquid crystal sandwiched between the upper and lower substrates of the liquid crystal display device.
【００１６】図４は本願のフィルム基板を液晶を挟持す
る上下基板の一方または上下の基板として用いて液晶表
示装置を形成した液晶表示装置である。本願におけるフ
ィルム基板は偏光板の機能をフィルム基板自体にもたせ
てあるので偏光板がいらない。FIG. 4 shows a liquid crystal display device in which a liquid crystal display device is formed by using the film substrate of the present application as one of or upper and lower substrates for sandwiching liquid crystal. The film substrate in the present application does not need a polarizing plate because the film substrate itself has the function of a polarizing plate.
【００１７】図５は、本願のフィルム基板５をロール状
に巻いた状態８を示した図である。第４図のようにフィ
ルム基板内によう素、染料系物質、ポリエン等を入れ、
１軸方向に伸延したフィルム基板をロール状に巻いた場
合には、⇔の方向に偏光軸７を有する。FIG. 5 is a view showing a state 8 in which the film substrate 5 of the present application is wound in a roll shape. As shown in Fig. 4, put iodine, dye-based substance, polyene, etc. in the film substrate,
When the film substrate stretched in the uniaxial direction is wound into a roll, the film has a polarization axis 7 in the direction ⇔.
【００１８】[0018]
【発明の効果】割れる心配がない硬化樹脂を含有したフ
ィルム基板を用い、このフィルム基板が偏光板の機能を
有しているので、ガラス基板に比べて扱いが容易で、安
価に液晶表示装置を製造できる。EFFECTS OF THE INVENTION A film substrate containing a cured resin that does not crack is used. Since this film substrate has a function of a polarizing plate, it is easier to handle than a glass substrate, and a liquid crystal display device can be manufactured at a low cost. Can be manufactured.
【００１９】さらには、液晶表示装置を用いたノートパ
ソコン、パーム・トップ・コンピュータ等の携帯用機器
を軽量に構成することができ、基板が割れることもない
ので安全性に優れている。Furthermore, a portable device such as a notebook computer or a palm-top computer using a liquid crystal display device can be constructed in a light weight, and the substrate is not broken, so that it is excellent in safety.
【図１】 従来の液晶表示装置を示す図である。FIG. 1 is a diagram showing a conventional liquid crystal display device.
【図２】 光または熱により硬化する樹脂を含有するフ
ィルム基板を示す図である。FIG. 2 is a diagram showing a film substrate containing a resin that is cured by light or heat.
【図３】 偏光方向を有する本発明のフィルム基板を示
す図である。FIG. 3 is a diagram showing a film substrate of the present invention having a polarization direction.
【図４】 本願のフィルム基板を用いた液晶表示装置を
示す図である。FIG. 4 is a diagram showing a liquid crystal display device using the film substrate of the present application.
【図５】 硬化する前の本願のフィルム基板をロール状
に巻いた状態を示す図である。FIG. 5 is a diagram showing a state in which the film substrate of the present application before being cured is wound into a roll.
１・・・ガラス基板 ２・・・偏光板 ３・・・電極 ４・・・スペーサ ５・・・フィルム基板 ６・・・光または熱による硬化樹脂 ７・・・偏光方向 ８・・・ロール状に巻いたフィルム基板 DESCRIPTION OF SYMBOLS 1 ... Glass substrate 2 ... Polarizing plate 3 ... Electrode 4 ... Spacer 5 ... Film substrate 6 ... Curing resin by light or heat 7 ... Polarization direction 8 ... Roll shape Film substrate
Claims (3)
いて、該フィルム基板は、よう素、染料系、ポリエン含
む熱硬化材料または光硬化材料を１軸方向に伸張して形
成したフィルムであることを特徴とするフィルム基板。1. A film substrate used in a liquid crystal display device, wherein the film substrate is a film formed by uniaxially stretching a thermosetting material or a photocuring material containing iodine, a dye system, polyene. And film substrate.
とを特徴とする請求項１記載のフィルム基板。2. The film substrate according to claim 1, wherein the photocurable material is an ultraviolet curable resin.
化材料または光硬化材料を１軸方向に延伸しながら熱硬
化材料または光硬化材料をフィルム状しフィルム基板を
形成する工程、該フィルム基板によう素、染料系物質、
ポリエンを含有させる工程を有することを特徴とするフ
ィルム基板の製造方法。3. A method of manufacturing a film substrate, comprising the steps of forming a film substrate by forming a film of the thermosetting material or the photocurable material while uniaxially stretching the thermosetting material or the photocurable material. Element, dye-based substance,
A method for producing a film substrate, which comprises the step of containing polyene.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21295892A JP3371974B2 (en) | 1992-08-10 | 1992-08-10 | Liquid crystal display device and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21295892A JP3371974B2 (en) | 1992-08-10 | 1992-08-10 | Liquid crystal display device and manufacturing method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0659248A true JPH0659248A (en) | 1994-03-04 |
| JP3371974B2 JP3371974B2 (en) | 2003-01-27 |
Family
ID=16631113
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP21295892A Expired - Lifetime JP3371974B2 (en) | 1992-08-10 | 1992-08-10 | Liquid crystal display device and manufacturing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3371974B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003508797A (en) * | 1999-08-24 | 2003-03-04 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | Display device |
| WO2008105125A1 (en) * | 2007-02-28 | 2008-09-04 | Sharp Kabushiki Kaisha | Liquid crystal display device, television receiver, liquid crystal display panel, and liquid crystal display panel manufacturing method |
-
1992
- 1992-08-10 JP JP21295892A patent/JP3371974B2/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003508797A (en) * | 1999-08-24 | 2003-03-04 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | Display device |
| WO2008105125A1 (en) * | 2007-02-28 | 2008-09-04 | Sharp Kabushiki Kaisha | Liquid crystal display device, television receiver, liquid crystal display panel, and liquid crystal display panel manufacturing method |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3371974B2 (en) | 2003-01-27 |
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