JPH08201625A - Production of laminated polarizing plate - Google Patents
Production of laminated polarizing plateInfo
- Publication number
- JPH08201625A JPH08201625A JP1299095A JP1299095A JPH08201625A JP H08201625 A JPH08201625 A JP H08201625A JP 1299095 A JP1299095 A JP 1299095A JP 1299095 A JP1299095 A JP 1299095A JP H08201625 A JPH08201625 A JP H08201625A
- Authority
- JP
- Japan
- Prior art keywords
- polarizing plate
- laminated
- polarizing
- plate
- color
- 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
- Polarising Elements (AREA)
Abstract
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 formed by laminating two polarizing plates, and in particular, a laminated polarizing plate in which a red color polarizing plate and a blue color polarizing plate used as a bicolor polarizing plate are laminated. 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 bonded together has been proposed. The structure of this laminated polarizing plate is shown in FIG.
【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。A method of manufacturing the laminated polarizing plate according to FIG. 1 (hereinafter referred to as a 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）。A polarizing element is obtained by uniaxially stretching a polyvinyl alcohol resin film (hereinafter referred to as PVA film) after dyeing.
51a is prepared, the support 52a is adhered on both sides with an adhesive, and the protect film 56 is adhered on the surface of one or both of the supports 52a to prepare the first polarizing plate 53a.
A release film 55 having an adhesive layer 54a formed thereon is attached to the lower surface of the first polarizing plate 53a (when the protect film 56 is attached to both the support 52a, one of the protect films 56 is peeled off to release the release film). 55 is attached), and the first polarizing plate 53a is chip-cut into a predetermined axial 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 sides of the polarizing element 51b.
b is attached and the release film 55 (adhesive layer 54b
A second polarizing plate 53b to which is attached is prepared, and the second polarizing plate 53b is also chip-cut into a predetermined axial 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）。Then, the protective 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, Then, the misalignment of the edges at the time of attaching both chips is trimmed by trimming on four sides to complete the 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 inventor has confirmed that the above conventional method has the following drawbacks.
【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。When the size change of the finished product occurs, the previous process is affected. That is, when the size of the finished product is changed, it is necessary to change the cut size of the adhesive-processed polarizing plates 53a and 53b in the chip cutting process.
【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-shaped polarizing plates 53a and 53b are bonded together, continuous work is difficult. Trimming cut is essential 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 the above drawbacks.
【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】第一の偏光素子１ａの両面に適宜な接着剤
で支持体２ａを貼合せた偏光板３ａを形成し、この偏光
板３ａを適宜方形状にカットし、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を継合偏光板３ａとし、続いて、第二の偏光素子
１ｂの一の面に支持体２ｂを、他の面に前記継合偏光板
３ａを適宜な接着剤により貼合せて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 polarizing plate 3a is formed by adhering a support 2a on both surfaces of the first polarizing element 1a with an appropriate adhesive, the polarizing plate 3a is cut into a square shape, and each of the cut chips is cut. After rotating by 90 ° on a plane and arranging them side by side, adjacent chips are joined by an appropriate means to form the polarizing plate 3a as a joining polarizing plate 3a, and then one of the second polarizing elements 1b. The present invention relates to a method for producing a laminated polarizing plate, which is characterized in that the support 2b is attached to one surface and the bonded polarizing plate 3a is attached to the other surface with an appropriate adhesive.
【００１３】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
を貼り合せた巾Ｓの偏光板３ａを形成し、この偏光板３
ａ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、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を連続的に貼合せ、この貼
合せにより形成される積層偏光板の少なくとも一面を粘
着加工する粘着加工工程及び該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 formed on both sides of the first polarizing element 1a having a width S and having a light absorption axis in the lengthwise direction, with an appropriate adhesive.
To form a polarizing plate 3a having a width S.
a is cut into a square shape, the cut chips are rotated by 90 ° on a plane and arranged side by side, and adjacent chips are joined together by an appropriate means to make the polarizing plate 3a have a width S. The joining polarizing plate 3a in which the light absorption axes of the chips are located in parallel is provided, 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 in the longitudinal direction.
An adhesive processing step of continuously laminating the bonded polarizing plate 3a on the other surface, and adhering at least one surface of the laminated polarizing plate formed by the laminating, and a cutting step of cutting the laminated polarizing plate into a predetermined size. Either one or both of the above are performed to produce a laminated polarizing plate in which the light absorption axes of the first polarizing element 1a and the second polarizing element 1b are orthogonal to each other. It relates to a manufacturing method.
【００１４】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２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 body in which a liquid crystal C is arranged between a neutral gray polarizing plate A and a glass plate B, a liquid crystal body in which a liquid crystal G is arranged between a red color polarizing plate D, a blue color polarizing plate E and a glass plate F, Bi-color polarized light obtained by laminating the red color polarizing plate D and the 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 is produced by the method for producing a laminated polarizing plate according to claim 2. Bicolor polarizing plate in which the red color polarizing plate D and blue color polarizing plate E are laminated, or bicolor polarization in which the purple color polarizing plate H and yellow color polarizing plate I are laminated. Those relating to the manufacturing method of the laminated polarizing plate, characterized in that it has adopted.
【００１５】[0015]
【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。EXAMPLE In this example, a neutral gray color polarizing plate A as shown in FIG. 4, a liquid crystal body in which a liquid crystal C is arranged between glass plates B, a red color polarizing plate D, a blue color polarizing plate E, The red color used in a known LCS (liquid crystal shutter) system, which is formed by laminating a liquid crystal body having a liquid crystal G between glass plates F, a purple color polarizing plate H, and a yellow color polarizing plate I in this order. It is a method for producing a bicolor polarizing plate in which a color polarizing plate D and a blue color polarizing plate E are laminated or a bicolor polarizing plate in which a purple color polarizing plate H and a yellow color polarizing plate I are laminated.
【００１６】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。The bicolor polarizing plate is a black and white CRT.
LCS (Liquid Crystal Shutter) which is one of the means to colorize the black and white CRT by installing in front of the
It is an essential member of the system.
【００１７】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 dyeing a PVA film having a width of 840 mm with a predetermined color, it is uniaxially stretched to have a width of 500 m to prepare a first polarizing element 1a having a light absorption axis located in the length direction, and a support 2a (for example, 2a on both sides is formed. A saponified triacetyl cellulose film) is attached with an adhesive (eg, polyvinyl alcohol aqueous solution), and a protective film 6 (eg, polyethylene co-extruded film) is attached to the surfaces of both supports 2a to form a polarizing plate 3a. (See Figure 5).
【００１８】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.
Each chip is cut into a square chip to obtain a square chip, and each chip is rotated by 90 ° on a plane (the light absorption axes of the chips (shown by arrows) are parallel to each other). It joins with the tape 7 (for example, commercially available cellophane adhesive tape), and it is set as the joining polarizing plate 3a. This jointed polarizing plate 3a is wound into a roll shape (see FIG. 6).
【００１９】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 located in the lengthwise direction is prepared in the same manner as described above, and a support 2b is formed on one surface of the polarizing element 1b and polarized light is formed on the other surface. The protective film 6 on the support 2a to be bonded to the element 1b is peeled off, and the bonded polarizing plate 3a is continuously bonded by an appropriate adhesive (for example, polyvinyl alcohol aqueous solution) (see FIG. 7), and then the support A protective film 6 is attached to the surface of 2b to form a laminated polarizing plate having a width of 500 mm and having a predetermined length. The protective film 6 on one surface of the laminated polarizing plate is peeled off to release the release film 5 with an adhesive layer 4 ( For example, a one-sided release-treated polyester film) is attached (see FIG. 8).
【００２０】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 chip-cut into a predetermined size, the laminated polarizing plate in a state where 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.
【００２１】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 a bicolor polarizing plate in which a red color polarizing plate D and a blue color polarizing plate E in an LCS system are laminated, or a purple color polarizing plate H and a yellow color polarizing plate I are laminated. Used for bicolor polarizing plate.
【００２２】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 this laminated polarizing plate is as shown in FIG.
【００２３】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 the present embodiment has been described above, the size change of the finished product does not affect the previous process, so that it is possible to stock the two polarizing elements 1a and 1b in a large format.
【００２４】 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, the more efficient bonding becomes possible.
【００２５】 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 process as in the conventional method is unnecessary, the manufacturing efficiency is improved accordingly. That is, in the conventional method, a trimming cut is an essential step in order to prepare the finished product, that is, to eliminate the deviation (step) in the width direction of the two polarizing plates. Since the chip is cut just before it is obtained to obtain a finished product, this chip cut substantially functions as a trimming cut, and it is not necessary to independently perform the trimming cut as in the conventional method, and the manufacturing efficiency is improved.
【００２６】 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 with the product according to the conventional method, the adhesive layer and the support are not present, so that the product can be made thinner.
【００２７】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 joint 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 cutting the parallelogram instead of the square. It is also possible to manufacture a laminated polarizing plate in which the layers intersect at a predetermined angle.
【００２８】[0028]
【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, the present invention makes it possible to efficiently manufacture a thin laminated polarizing plate.
It is possible to reduce the cost of products and shorten the time from receiving an order for a product to delivering it.
【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 a structural explanatory view of a bonded 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 jointed polarizing plate according to this example.
【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 a laminated polarizing plate according to this example.
１ａ，１ｂ 偏光素子 ２ａ，２ｂ 支持体 ３ａ 偏光板，継合偏光板 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 Polarizing element 2a, 2b Support 3a Polarizing plate, joint polarizing plate S Width A Neutral gray color polarizing plate B Glass plate C Liquid crystal D Red color polarizing plate E Blue color polarizing plate F Glass plate G Liquid crystal H Purple Color 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Front page continued (72) Inventor Kumiko Onda 1-5-5 Minamihonmachi, Joetsu City, Niigata Prefecture Arisawa Manufacturing Co., Ltd. (72) Inventor Kazuo Maeda 1-5-5 Minamihonmachi, Joetsu City, Niigata Prefecture Arisawa Co., Ltd. Inside the factory
Claims (3)
支持体を貼合せた偏光板を形成し、この偏光板を適宜方
形状にカットし、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を継合偏光板
とし、続いて、第二の偏光素子の一の面に支持体を、他
の面に前記継合偏光板を適宜な接着剤により貼合せて製
造することを特徴とする積層偏光板の製造方法。1. A polarizing plate in which a support is bonded to both surfaces of a first polarizing element with an appropriate adhesive is formed, the polarizing plate is cut into a square shape, and the cut chips are placed on a plane. After being rotated by 90 ° and arranged side by side, adjacent chips are joined together by an appropriate means to form the joined polarizing plate, and then a support is provided on one surface of the second polarizing element. A method for producing a laminated polarizing plate, which is characterized in that the bonded polarizing plate is attached to the other surface with an appropriate adhesive.
る第一の偏光素子の両面に適宜な接着剤で支持体を貼り
合せた巾Ｓの偏光板を形成し、この偏光板を正方形にカ
ットし、このカットされた各チップを平面上において９
０°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とし、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
子の一面に支持体を、他の面に前記継合偏光板を連続的
に貼合せ、この貼合せにより形成される積層偏光板の少
なくとも一面を粘着加工する粘着加工工程及び該積層偏
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、第一の偏光素子と第二の偏光素
子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。2. A polarizing plate having a width S having a width S and having a support S attached to both sides of a first polarizing element having a light absorption axis located in the lengthwise direction with a suitable adhesive. Is cut into squares, and each of the cut chips is
After rotating by 0 ° and arranging them side by side, adjacent chips are joined together by an appropriate means to make the polarizing plate a width S to form a joined polarizing plate in which the light absorption axes of the respective chips are positioned in parallel. ,
A support is continuously bonded to one surface of the second polarizing element having a width S and the light absorption axis is located in the longitudinal direction, and the bonded polarizing plate is continuously bonded to the other surface of the second polarizing element. The light absorption axis of the first polarizing element and the second polarizing element is obtained by performing one or both of an adhesive processing step of adhesively processing at least one surface of the polarizing plate and a cutting step of cutting the laminated polarizing plate into a predetermined size. A method for manufacturing a laminated polarizing plate, which comprises manufacturing a laminated polarizing plate arranged in a state of being orthogonal to each other.
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２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。3. A liquid crystal body in which a liquid crystal C is arranged between a neutral gray polarizing plate A and a glass plate B, a liquid crystal G in which a red color polarizing plate D, a blue color polarizing plate E and a glass plate F are arranged. Body, a purple color polarizing plate H, and a yellow color polarizing plate I are laminated in this order, and the red color polarizing plate D and the blue color polarizing plate E used in a known LCS system are laminated. A method for producing a bi-color polarizing plate in which a color polarizing plate or a purple color polarizing plate H and a yellow color polarizing plate I are laminated, wherein the laminated polarizing plate is manufactured by the method for producing a laminated polarizing plate according to claim 2. Is a bicolor polarizing plate in which the red color polarizing plate D and the 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. A method for producing a laminated polarizing plate, which is used 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 true JPH08201625A (en) | 1996-08-09 |
| JP2913148B2 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) |
Citations (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 | ||
| JPH01200205A (en) * | 1987-12-01 | 1989-08-11 | Svecia Antiqua Sa | Polarizing material in form of sheet or web and manufacture thereof |
| JPH06289221A (en) * | 1993-03-31 | 1994-10-18 | Arisawa Mfg Co Ltd | Production of elliptically polarizing plate |
| JPH06300918A (en) * | 1993-04-15 | 1994-10-28 | Nippon Synthetic Chem Ind Co Ltd:The | Production of elliptically polarizing plate |
-
1995
- 1995-01-30 JP JP7012990A patent/JP2913148B2/en not_active Expired - Fee Related
Patent Citations (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 | ||
| JPH01200205A (en) * | 1987-12-01 | 1989-08-11 | Svecia Antiqua Sa | Polarizing material in form of sheet or web and manufacture thereof |
| JPH06289221A (en) * | 1993-03-31 | 1994-10-18 | Arisawa Mfg Co Ltd | Production of elliptically polarizing plate |
| JPH06300918A (en) * | 1993-04-15 | 1994-10-28 | Nippon Synthetic Chem Ind Co Ltd:The | Production of elliptically polarizing plate |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2913148B2 (en) | 1999-06-28 |
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