JP2913148B2 - Manufacturing method of laminated polarizing plate - Google Patents
Manufacturing method of laminated polarizing plateInfo
- Publication number
- JP2913148B2 JP2913148B2 JP7012990A JP1299095A JP2913148B2 JP 2913148 B2 JP2913148 B2 JP 2913148B2 JP 7012990 A JP7012990 A JP 7012990A JP 1299095 A JP1299095 A JP 1299095A JP 2913148 B2 JP2913148 B2 JP 2913148B2
- Authority
- JP
- Japan
- Prior art keywords
- polarizing plate
- laminated
- plate
- color
- color polarizing
- 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.)
- Expired - Fee Related
Links
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- Polarising Elements (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本発明は二枚の偏光板を貼合せて
成る積層偏光板、特にバイカラー偏光板として使用され
るレッド色カラー偏光板とブルー色カラー偏光板とを積
層した積層偏光板又はパープル色カラー偏光板とイエロ
ー色カラー偏光板とを積層した積層偏光板の製造方法に
関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a laminated polarizing plate obtained by laminating two polarizing plates, and more particularly to a laminated polarizing plate obtained by laminating a red color polarizing plate and a blue color polarizing plate used as a bicolor polarizing plate. The present invention relates to a method for producing a laminated polarizing plate in which a plate or a purple color polarizing plate and a yellow color polarizing plate are laminated.
【０００２】[0002]
【従来の技術】従来から二枚の偏光板を貼合せた積層偏
光板が提案されている。この積層偏光板の構成を図１に
示す。2. Description of the Related Art Conventionally, a laminated polarizing plate in which two polarizing plates are laminated has been proposed. FIG. 1 shows the configuration of this laminated polarizing plate.
【０００３】この図１に係る積層偏光板の製造方法（以
下、従来法という。）は次の通りである。The method of manufacturing the laminated polarizing plate shown in FIG. 1 (hereinafter referred to as the conventional method) is as follows.
【０００４】ポリビニルアルコール樹脂フィルム（以
下、ＰＶＡフィルム）を染色後、一軸延伸して偏光素子
51ａを作成し、両面に支持体52ａを接着剤により貼合
せ、この一方若しくは双方の支持体52ａの表面にプロテ
クトフィルム56を貼合せて第一の偏光板53ａを作成し、
この第一の偏光板53ａの下面に粘着層54ａを形成したリ
リースフィルム55を貼合せ（支持体52ａの双方にプロテ
クトフィルム56を貼合せた場合には一方のプロテクトフ
ィルム56を剥離してリリースフィルム55を貼合せ
る。）、この第一の偏光板53ａを所定の軸角度，サイズ
にチップカットする（図２参照）。[0004] After dyeing a polyvinyl alcohol resin film (hereinafter referred to as PVA film), the film is uniaxially stretched and then polarized.
51a, a support 52a is attached to both sides with an adhesive, and a protective film 56 is attached to the surface of one or both supports 52a to form a first polarizing plate 53a,
A release film 55 in which an adhesive layer 54a is formed on the lower surface of the first polarizing plate 53a is bonded (when a protect film 56 is bonded to both of the supports 52a, one of the protect films 56 is peeled off to release the release film 55). The first polarizing plate 53a is chip-cut at a predetermined axis angle and size (see FIG. 2).
【０００５】同様にして偏光素子51ｂの両面に支持体52
ｂが付設され、一面にリリースフィルム55（粘着層54ｂ
付）が貼合された第二の偏光板53ｂを作成し、この第二
の偏光板53ｂも所定の軸角度，サイズにチップカットす
る（図３参照）。Similarly, a support 52 is provided on both surfaces of the polarizing element 51b.
b is attached, and a release film 55 (adhesive layer 54b
Is attached, and the second polarizing plate 53b is also chip-cut to a predetermined axis angle and size (see FIG. 3).
【０００６】続いて、この偏光板53ｂのチップのプロテ
クトフィルム56を剥離し、前記偏光板53ａのチップのリ
リースフィルム55を剥離し、両者を貼合機を使用して粘
着層54ａにより貼合せ、続いて、両チップの貼合時の端
縁のズレを４辺トリミングカットすることで整え、完成
品とする（図１参照）。Subsequently, the protection film 56 of the chip of the polarizing plate 53b is peeled off, the release film 55 of the chip of the polarizing plate 53a is peeled off, and both are bonded by an adhesive layer 54a using a bonding machine. Subsequently, the deviation of the edge at the time of bonding both chips is trimmed and cut on four sides to obtain a finished product (see FIG. 1).
【０００７】[0007]
【発明が解決しようとする課題】本発明者は種々検討し
たところ、上記従来法には次の欠点があることを確認し
た。As a result of various studies, the present inventors have confirmed that the above conventional method has the following disadvantages.
【０００８】 完成品のサイズ変更が生ずると前工程
に影響が出る。即ち、完成品のサイズ変更が生ずると粘
着加工済み偏光板53ａ，53ｂのチップカット工程におけ
るカット寸法の変更が必要となる。[0008] When the size of the finished product changes, the previous process is affected. That is, when the size of the finished product changes, it is necessary to change the cut dimensions of the adhesive-processed polarizing plates 53a and 53b in the chip cutting step.
【０００９】 板状の偏光板53ａ，53ｂ同志の貼合せ
である為、連続的な作業が難しい。 トリミングカッ
トが必須となり、工程が煩雑である。Since the plate-like polarizing plates 53a and 53b are bonded together, continuous work is difficult. Trimming cut is required, and the process is complicated.
【００１０】本発明は上記欠点を全て解決した積層偏光
板の製造方法を提供するものである。The present invention provides a method for manufacturing a laminated polarizing plate which solves all of the above disadvantages.
【００１１】[0011]
【課題を解決するための手段】添付図面を参照して本発
明の要旨を説明する。The gist of the present invention will be described with reference to the accompanying drawings.
【００１２】巾Ｓにして光吸収軸が長さ方向に位置する
第一の偏光素子１ａの両面に適宜な接着剤で支持体２ａ
を貼り合せ、この両支持体２ａの表面に剥離可能なプロ
テクトフィルム６を貼合せて巾Ｓの偏光板３ａを形成
し、この偏光板３ａを正方形にカットし、このカットさ
れた各チップを平面上において９０°回転させて並設し
た後、隣接するチップ同志を適宜な手段により継合して
当該偏光板３ａを巾Ｓにして各チップの光吸収軸が平行
に位置する継合偏光板３ａとし、続いて、この継合偏光
板３ａの一の面のプロテクトフィルム６を剥離し、続い
て、巾Ｓにして光吸収軸が長さ方向に位置する第二の偏
光素子１ｂの一面に支持体２ｂを、他の面に前記継合偏
光板３ａのプロテクトフィルム６を剥離した面を連続的
に貼合せるとともに、該第二の偏光素子１ｂに貼合わせ
られた支持体２ｂ上にプロテクトフィルム６を貼合わ
せ、この貼合せにより形成される積層偏光板の一の面の
プロテクトフィルム６を剥離してリリースフィルム５を
貼合わせ、この積層偏光板を所定サイズにカットするカ
ット工程のいずれか一方若しくは双方を行い、第一の偏
光素子１ａと第二の偏光素子１ｂとの光吸収軸が直交す
る状態に配された積層偏光板を製造することを特徴とす
る積層偏光板の製造方法に係るものである。A support 2a is attached to both surfaces of the first polarizing element 1a having a width S and a light absorption axis positioned in the longitudinal direction with an appropriate adhesive.
Is bonded to the surface of the two supports 2a.
The polarizing plate 3a having a width S is formed by laminating the tent film 6, the polarizing plate 3a is cut into a square, and the cut chips are rotated by 90 ° on a plane and arranged side by side. comrades by engagement by an appropriate means and engagement polarizer 3a to the optical absorption axis of each chip by the polarizer 3a in the width S is positioned in parallel, followed by the engagement polarization
The protection film 6 on one surface of the plate 3a is peeled off, and then the support 2b is provided on one surface of the second polarizing element 1b having the width S and the light absorption axis is located in the length direction, and the other surface is provided with the support 2b. alignment bonded exfoliated surface protection film 6 of the engagement polarizer 3a continuously laminating Rutotomoni, to said second polarizing element 1b
The protection film 6 on the support 2b
And the one side of the laminated polarizing plate formed by this lamination
Remove the protection film 6 and release film 5
One or both of the steps of laminating and cutting the laminated polarizing plate to a predetermined size are performed, and the first polarizing element 1a and the second polarizing element 1b are arranged in a state where the light absorption axes are orthogonal to each other. The present invention relates to a method for producing a laminated polarizing plate, which comprises producing a laminated polarizing plate.
【００１３】ニュートラルグレー色偏光板Ａ，ガラス板
Ｂ間に液晶Ｃを配した液晶体，レッド色カラー偏光板
Ｄ，ブルー色カラー偏光板Ｅ，ガラス板Ｆ間に液晶Ｇを
配した液晶体，パープル色カラー偏光板Ｈ，イエロー色
カラー偏光板Ｉをこの順で貼合せて成る公知のＬＣＳシ
ステムに使用される該レッド色カラー偏光板Ｄとブルー
色カラー偏光板Ｅとを積層したバイカラー偏光板又はパ
ープル色カラー偏光板Ｈとイエロー色カラー偏光板Ｉと
を積層したバイカラー偏光板の製造方法であって、請求
項１記載の積層偏光板の製造方法により製造された積層
偏光板を、上記レッド色カラー偏光板Ｄとブルー色カラ
ー偏光板Ｅとを積層したバイカラー偏光板又はパープル
色カラー偏光板Ｈとイエロー色カラー偏光板Ｉとを積層
したバイカラー偏光板に採用したことを特徴とする積層
偏光板の製造方法に係るものである。A liquid crystal having a liquid crystal C disposed between a neutral gray color polarizing plate A and a glass plate B, a liquid crystal having a liquid crystal G disposed between a red color polarizing plate D, a blue color polarizing plate E, and a glass plate F; Bicolor polarized light obtained by laminating a red color polarizing plate D and a blue color polarizing plate E used in a known LCS system in which a purple color polarizing plate H and a yellow color polarizing plate I are laminated in this order. A method for producing a bicolor polarizing plate comprising a plate or a purple color polarizing plate H and a yellow color polarizing plate I, wherein the laminated polarizing plate produced by the method for producing a laminated polarizing plate according to claim 1 is: Bicolor polarizing plate obtained by laminating the red color polarizing plate D and blue color polarizing plate E or bicolor polarized light obtained by laminating the purple color polarizing plate H and the yellow color polarizing plate I Those relating to the manufacturing method of the laminated polarizing plate, characterized in that it has adopted.
【００１４】[0014]
【実施例】本実施例は、図４に図示したようなニュート
ラルグレー色偏光板Ａ，ガラス板Ｂ間に液晶Ｃを配した
液晶体，レッド色カラー偏光板Ｄ，ブルー色カラー偏光
板Ｅ，ガラス板Ｆ間に液晶Ｇを配した液晶体，パープル
色カラー偏光板Ｈ，イエロー色カラー偏光板Ｉをこの順
で貼合せて成る公知のＬＣＳ（リキッドクリスタルシャ
ッター）システムに使用される該レッド色カラー偏光板
Ｄとブルー色カラー偏光板Ｅとを積層したバイカラー偏
光板又はパープル色カラー偏光板Ｈとイエロー色カラー
偏光板Ｉとを積層したバイカラー偏光板の製造方法であ
る。The present embodiment is directed to a liquid crystal body having a liquid crystal C disposed between a neutral gray polarizing plate A and a glass plate B as shown in FIG. 4, a red color polarizing plate D, a blue color polarizing plate E, The red color used in a known LCS (Liquid Crystal Shutter) system comprising a liquid crystal body having a liquid crystal G disposed between glass plates F, a purple color polarizer H, and a yellow color polarizer I in this order. This is a method for producing a bicolor polarizing plate in which a color polarizing plate D and a blue color polarizing plate E are stacked or a bicolor polarizing plate in which a purple color polarizing plate H and a yellow color polarizing plate I are stacked.
【００１５】ここでバイカラー偏光板とは、白黒ＣＲＴ
の前に設置することで該白黒ＣＲＴをカラー化する手段
の１つであるＬＣＳ（リキッドクリスタルシャッター）
システムに必要不可欠な部材である。Here, a bicolor polarizing plate is a monochrome CRT.
LCS (Liquid Crystal Shutter) which is one of the means to colorize the black and white CRT by installing it in front of
It is an indispensable member of the system.
【００１６】巾８４０ｍｍのＰＶＡフィルムを所定色に
染色後、一軸延伸して巾５００ｍにして光吸収軸が長さ
方向に位置する第一の偏光素子１ａを作成し、両面に支
持体２ａ（例えばケン化処理済みトリアセチルセルロー
スフィルム）を接着剤（例えばポリビニルアルコール水
溶液）により貼合せ、この両支持体２ａの表面にプロテ
クトフィルム６（例えばポリエチレン共押出しフィル
ム）を貼合せて偏光板３ａを作成する（図５参照）。After a PVA film having a width of 840 mm is dyed in a predetermined color, the film is uniaxially stretched to have a width of 500 m to form a first polarizing element 1a having a light absorption axis positioned in a longitudinal direction, and a support 2a (for example, A saponified triacetylcellulose film) is bonded with an adhesive (for example, an aqueous polyvinyl alcohol solution), and a protective film 6 (for example, a polyethylene co-extruded film) is bonded to the surface of both supports 2a to form a polarizing plate 3a. (See FIG. 5).
【００１７】続いて、この偏光板３ａを長さ方向５００
ｍｍごとにカットし、正方形のチップを得、この各チッ
プを平面上において９０°回転し（各チップの光吸収軸
（矢印で図示）が互いに平行となる状態にし）、各チッ
プ同志を適宜なテープ７（例えば市販のセロハン粘着テ
ープ）で継合して継合偏光板３ａとする。この継合偏光
板３ａは巻回してロール状としておく（図６参照）。Subsequently, the polarizing plate 3a is moved in the longitudinal direction 500.
Then, each chip is rotated by 90 ° on a plane (in such a manner that the light absorption axes (indicated by arrows) of the chips are parallel to each other), and each chip is appropriately connected to each other. A spliced polarizing plate 3a is formed by splicing with a tape 7 (for example, a commercially available cellophane adhesive tape). The joined polarizing plate 3a is wound into a roll shape (see FIG. 6).
【００１８】続いて、前記同様に巾５００ｍｍにして光
吸収軸が長さ方向に位置する第二の偏光素子１ｂを作成
し、この偏光素子１ｂの一面に支持体２ｂを、他の面に
偏光素子１ｂと貼合せる支持体２ａ上のプロテクトフィ
ルム６を剥離して前記継合偏光板３ａを適宜な接着剤
（例えばポリビニルアルコール水溶液）により連続的に
貼合せ（図７参照）、その後、支持体２ｂの表面にプロ
テクトフィルム６を貼合せて巾５００ｍｍにして所定長
の積層偏光板を作成し、この積層偏光板の一の面のプロ
テクトフィルム６を剥離して粘着層４付のリリースフィ
ルム５（例えば片面離型処理付きポリエステルフィル
ム）を貼合せる（図８参照）。Subsequently, a second polarizing element 1b having a width of 500 mm and a light absorption axis positioned in the longitudinal direction is prepared in the same manner as described above, and a support 2b is provided on one surface of the polarizing element 1b and a polarizing material is provided on the other surface. The protective film 6 on the support 2a to be bonded to the element 1b is peeled off, and the joined polarizing plates 3a are continuously bonded with an appropriate adhesive (for example, aqueous polyvinyl alcohol solution) (see FIG. 7). A protective film 6 is adhered to the surface of 2b to form a laminated polarizing plate of a predetermined length with a width of 500 mm, and the protective film 6 on one surface of the laminated polarizing plate is peeled off to release film 5 with adhesive layer 4 ( For example, a single-sided release-treated polyester film) is attached (see FIG. 8).
【００１９】最後にこの積層偏光板を所定のサイズにチ
ップカットをすると、第一の偏光素子１ａの光吸収軸と
第二の偏光素子１ｂの光吸収軸とが直交する状態の積層
偏光板が得られることになる。Finally, when the laminated polarizing plate is cut into chips of a predetermined size, a laminated polarizing plate in which the light absorption axis of the first polarizing element 1a and the light absorption axis of the second polarizing element 1b are orthogonal to each other is obtained. Will be obtained.
【００２０】この積層偏光板をＬＣＳシステムにおける
レッド色カラー偏光板Ｄとブルー色カラー偏光板Ｅとを
積層したバイカラー偏光板又はパープル色カラー偏光板
Ｈとイエロー色カラー偏光板Ｉとを積層したバイカラー
偏光板に使用する。This laminated polarizing plate is obtained by laminating a bicolor polarizing plate, in which a red color polarizing plate D and a blue color polarizing plate E are laminated, or a purple color polarizing plate H, and a yellow color polarizing plate I in an LCS system. Used for bicolor polarizing plates.
【００２１】この積層偏光板の構造は図８に図示した通
りである。The structure of the laminated polarizing plate is as shown in FIG.
【００２２】本実施例は上述のようにしたから、 完
成品のサイズ変更が前工程に影響を及ぼさなくなる為、
２つの偏光素子１ａ，１ｂを積層した大判の状態での在
庫が可能となる。Since this embodiment has been described above, the change in the size of the finished product does not affect the previous process.
Stocking in a large-sized state in which the two polarizing elements 1a and 1b are stacked becomes possible.
【００２３】 偏光素子１ａと偏光素子１ｂとは連続
的な貼合せの為、それだけ効率的な貼合せが可能とな
る。Since the polarizing element 1a and the polarizing element 1b are continuously bonded, efficient bonding can be achieved.
【００２４】 従来法のようなトリミング工程が不要
となる為、それだけ製造効率が良好となる。即ち、従来
法においては完成品を整える為、即ち、二つの偏光板の
巾方向におけるズレ（段差）をなくす為、トリミングカ
ットを必須の工程とする訳であるが、本実施例は完成品
を得る直前でチップカットして完成品とする為、このチ
ップカットが実質上、トリミングカットの役割を果た
し、従来法のように独自にトリミングカットをする必要
がなく、それだけ製造効率が良好となる。Since the trimming step as in the conventional method is not required, the manufacturing efficiency is improved accordingly. That is, in the conventional method, trimming cutting is an essential step in order to prepare a finished product, that is, to eliminate a displacement (step) in the width direction of the two polarizing plates. Since a chip is cut immediately before obtaining a finished product, the chip cut substantially serves as a trimming cut, and it is not necessary to perform a trimming cut independently as in the conventional method, and the manufacturing efficiency is improved accordingly.
【００２５】 従来法に係る製品に比し、粘着層、支
持体が存しない分、それだけ製品の薄型化が可能とな
る。Compared to the product according to the conventional method, the thickness of the product can be reduced by the absence of the adhesive layer and the support.
【００２６】尚、本実施例は継合偏光板３ａを作成する
際、正方形のカットではなく、平行四辺形のカットを行
うことで偏光素子１ａの光吸収軸と偏光素子１ｂの光吸
収軸とが所定の角度で交叉した積層偏光板を製造するこ
とも可能となる。In this embodiment, when the jointed polarizing plate 3a is formed, the light absorption axis of the polarizing element 1a and the light absorption axis of the polarizing element 1b are not cut by a square but by a parallelogram. Can be manufactured at a predetermined angle.
【００２７】[0027]
【発明の効果】本発明は上述のようにしたから、効率的
にして薄型の積層偏光板の製造が可能となり、よって、
製品のコストダウン、製品の受注から納入するまでの時
間の短縮化が可能となる。As described above, according to the present invention, it is possible to efficiently manufacture a thin laminated polarizing plate.
It is possible to reduce the cost of products and shorten the time from order receipt to delivery of products.
【図１】従来法に係る積層偏光板の構造説明図である。FIG. 1 is a structural explanatory view of a laminated polarizing plate according to a conventional method.
【図２】従来法に係る第一の偏光板の構造説明図であ
る。FIG. 2 is a structural explanatory view of a first polarizing plate according to a conventional method.
【図３】従来法に係る第二の偏光板の構造説明図であ
る。FIG. 3 is a structural explanatory view of a second polarizing plate according to a conventional method.
【図４】ＬＣＳシステムの説明図である。FIG. 4 is an explanatory diagram of an LCS system.
【図５】本実施例に係る継合偏光板の構造説明図であ
る。FIG. 5 is an explanatory diagram of a structure of a joined polarizing plate according to the present embodiment.
【図６】本実施例に係る継合偏光板の説明図である。FIG. 6 is an explanatory diagram of a joined polarizing plate according to the present embodiment.
【図７】本実施例に係る積層偏光板の製造工程説明図で
ある。FIG. 7 is an explanatory diagram of a manufacturing process of the laminated polarizing plate according to the present embodiment.
【図８】本実施例に係る積層偏光板の構造説明図であ
る。FIG. 8 is a structural explanatory view of the laminated polarizing plate according to the present example.
１ａ，１ｂ 偏光素子 ２ａ，２ｂ 支持体 ３ａ 偏光板，継合偏光板５ リリースフィルム ６ プロテクトフィルム Ｓ 巾 Ａ ニュートラルグレー色偏光板 Ｂ ガラス板 Ｃ 液晶 Ｄ レッド色カラー偏光板 Ｅ ブルー色カラー偏光板 Ｆ ガラス板 Ｇ 液晶 Ｈ パープル色カラー偏光板 Ｉ イエロー色カラー偏光板1a, 1b Polarizer 2a, 2b Support 3a Polarizer, Joint Polarizer 5 Release Film 6 Protect Film S Width A Neutral Gray Polarizer B Glass Plate C Liquid Crystal D Red Color Polarizer E Blue Color Polarizer F Glass plate G Liquid crystal H Purple color polarizing plate I Yellow color polarizing plate
───────────────────────────────────────────────────── フロントページの続き (72)発明者 恩田 久美子 新潟県上越市南本町１丁目５番５号 株 式会社有沢製作所内 (72)発明者 前田一男 新潟県上越市南本町１丁目５番５号 株 式会社有沢製作所内 (56)参考文献 特開 平６−300918（ＪＰ，Ａ) 特開 平１−200205（ＪＰ，Ａ) 特開 平６−289221（ＪＰ，Ａ) 特開 平８−201623（ＪＰ，Ａ) 特開 平８−201624（ＪＰ，Ａ) 実開 昭60−159402（ＪＰ，Ｕ) 実開 昭63−141903（ＪＰ，Ｕ) 特公 昭58−45010（ＪＰ，Ｂ２) (58)調査した分野(Int.Cl.6，ＤＢ名) G02B 5/30 ────────────────────────────────────────────────── ─── Continued on the front page (72) Inventor Kumiko Onda 1-5-5 Minamihonmachi, Joetsu City, Niigata Prefecture Inside Arisawa Works, Ltd. (72) Inventor Kazuo Maeda 1-5-5 Minamihonmachi, Joetsu City, Niigata Prefecture No. Arisawa Manufacturing Co., Ltd. (56) References JP-A-6-300918 (JP, A) JP-A-1-200205 (JP, A) JP-A-6-289221 (JP, A) JP-A 8- 201623 (JP, A) JP-A-8-201624 (JP, A) JP-A-60-159402 (JP, U) JP-A-63-141903 (JP, U) JP-B-58-4510 (JP, B2) (58) Field surveyed (Int.Cl. 6 , DB name) G02B 5/30
Claims (2)
る第一の偏光素子１ａの両面に適宜な接着剤で支持体２
ａを貼り合せ、この両支持体２ａの表面に剥離可能なプ
ロテクトフィルム６を貼合せて巾Ｓの偏光板３ａを形成
し、この偏光板３ａを正方形にカットし、このカットさ
れた各チップを平面上において９０°回転させて並設し
た後、隣接するチップ同志を適宜な手段により継合して
当該偏光板３ａを巾Ｓにして各チップの光吸収軸が平行
に位置する継合偏光板３ａとし、続いて、この継合偏光
板３ａの一の面のプロテクトフィルム６を剥離し、続い
て、巾Ｓにして光吸収軸が長さ方向に位置する第二の偏
光素子１ｂの一面に支持体２ｂを、他の面に前記継合偏
光板３ａのプロテクトフィルム６を剥離した面を連続的
に貼合せるとともに、該第二の偏光素子１ｂに貼合わせ
られた支持体２ｂ上にプロテクトフィルム６を貼合わ
せ、この貼合せにより形成される積層偏光板の一の面の
プロテクトフィルム６を剥離してリリースフィルム５を
貼合わせ、この積層偏光板を所定サイズにカットするカ
ット工程のいずれか一方若しくは双方を行い、第一の偏
光素子１ａと第二の偏光素子１ｂとの光吸収軸が直交す
る状態に配された積層偏光板を製造することを特徴とす
る積層偏光板の製造方法。1. A support 2 made of a suitable adhesive on both surfaces of a first polarizing element 1a having a width S and a light absorption axis positioned in a longitudinal direction.
a on the surface of both supports 2a.
The polarizing plate 3a having a width S is formed by laminating the protect film 6, the polarizing plate 3a is cut into a square, and the cut chips are rotated by 90 ° on a plane to be juxtaposed, and then the adjacent chips are cut. comrades by engagement by an appropriate means and engagement polarizer 3a to the optical absorption axis of each chip by the polarizer 3a in the width S is positioned in parallel, followed by the engagement polarization
The protection film 6 on one surface of the plate 3a is peeled off, and then the support 2b is provided on one surface of the second polarizing element 1b having the width S and the light absorption axis is located in the length direction, and the other surface is provided with the support 2b. alignment bonded exfoliated surface protection film 6 of the engagement polarizer 3a continuously laminating Rutotomoni, to said second polarizing element 1b
The protection film 6 on the support 2b
And the one side of the laminated polarizing plate formed by this lamination
Remove the protection film 6 and release film 5
One or both of the steps of laminating and cutting the laminated polarizing plate to a predetermined size are performed, and the first polarizing element 1a and the second polarizing element 1b are arranged in a state where the light absorption axes are orthogonal to each other. A method for producing a laminated polarizing plate, comprising producing a laminated polarizing plate.
板Ｂ間に液晶Ｃを配した液晶体，レッド色カラー偏光板
Ｄ，ブルー色カラー偏光板Ｅ，ガラス板Ｆ間に液晶Ｇを
配した液晶体，パープル色カラー偏光板Ｈ，イエロー色
カラー偏光板Ｉをこの順で貼合せて成る公知のＬＣＳシ
ステムに使用される該レッド色カラー偏光板Ｄとブルー
色カラー偏光板Ｅとを積層したバイカラー偏光板又はパ
ープル色カラー偏光板Ｈとイエロー色カラー偏光板Ｉと
を積層したバイカラー偏光板の製造方法であって、請求
項１記載の積層偏光板の製造方法により製造された積層
偏光板を、上記レッド色カラー偏光板Ｄとブルー色カラ
ー偏光板Ｅとを積層したバイカラー偏光板又はパープル
色カラー偏光板Ｈとイエロー色カラー偏光板Ｉとを積層
したバイカラー偏光板に採用したことを特徴とする積層
偏光板の製造方法。2. A liquid crystal in which a liquid crystal C is disposed between a neutral gray color polarizing plate A and a glass plate B, a liquid crystal in which a liquid crystal G is disposed between a red color polarizing plate D, a blue color polarizing plate E, and a glass plate F. Of a red color polarizing plate D and a blue color polarizing plate E used in a known LCS system in which a body, a purple color polarizing plate H and a yellow color polarizing plate I are laminated in this order. A method for producing a bi-color polarizing plate comprising a color polarizing plate or a purple-color polarizing plate H and a yellow-color polarizing plate I laminated, wherein the laminated polarizing plate is produced by the method for producing a laminated polarizing plate according to claim 1. Is a bicolor polarizing plate obtained by laminating the red color polarizing plate D and the blue color polarizing plate E or a bicolor polarizing plate obtained by laminating the purple color polarizing plate H and the yellow color polarizing plate I. A method for producing a laminated polarizing plate, wherein the method is employed for a plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7012990A JP2913148B2 (en) | 1995-01-30 | 1995-01-30 | Manufacturing method of laminated polarizing plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7012990A JP2913148B2 (en) | 1995-01-30 | 1995-01-30 | Manufacturing method of laminated polarizing plate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH08201625A JPH08201625A (en) | 1996-08-09 |
| JP2913148B2 true JP2913148B2 (en) | 1999-06-28 |
Family
ID=11820655
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7012990A Expired - Fee Related JP2913148B2 (en) | 1995-01-30 | 1995-01-30 | Manufacturing method of laminated polarizing plate |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2913148B2 (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5845010A (en) * | 1981-09-11 | 1983-03-16 | ミサワホ−ム株式会社 | Press roller stocking device |
| JPS60159402U (en) * | 1984-03-30 | 1985-10-23 | 日東電工株式会社 | Polarizer |
| JPS63141903U (en) * | 1987-03-09 | 1988-09-19 | ||
| SE459337B (en) * | 1987-12-01 | 1989-06-26 | Svecia Antiqua Sa | LIGHT POLARIZING, SHEET OR SHAPE MATERIAL FOR USE AS AN OPTICAL SAFETY OR CONTROL ELEMENTS IN VALUATION ACTIONS WHICH MADE TO MANUFACTURE THE MATERIAL |
| JPH06289221A (en) * | 1993-03-31 | 1994-10-18 | Arisawa Mfg Co Ltd | Production of elliptically polarizing plate |
| JP3206850B2 (en) * | 1993-04-15 | 2001-09-10 | 日本合成化学工業株式会社 | Manufacturing method of elliptically polarizing plate |
-
1995
- 1995-01-30 JP JP7012990A patent/JP2913148B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH08201625A (en) | 1996-08-09 |
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