1221538 A7 B7 五、發明説明（1 ) 【發明之技術領域】 本發明係有關光學板積層體。 (請先閲讀背面之注意事項再填寫本頁) 【發明背景】 以偏光板，相位差板等所代表之光學板乃構成液晶顯 示裝置之重要光學零件。 這種光學板係積層2種以上，組裝於液晶顯示裝置而 予以使用之情形居多，例如於S T N ( Super Twist Nematic )型液晶顯示裝置等，成爲積層第一光學板（例如偏光板 )與第二光學板（例如相位差板）之方形光學板積層片組 配之情形也多。 經濟部智慧財產局員工消費合作社印製 於這種方形光學板積層片（1 0 )，偏光板之光學軸 ’亦即吸收軸（1 )，或相位差板之光學軸，亦即遲相軸 (2 )之液晶顯示裝置之方向，係在獲取液晶顯示裝置之 顯示功能上爲重要者，若這些稍爲與既定之設計値有所偏 差時，其液晶顯示裝置就不能發揮其目的之性能。因此， 對於光學板積層片（1 〇 )之基準線（9 )之這些偏光板 之吸收軸（1 )之角度（0 1 )或相位差板之遲相軸（2 )之角度（Θ 2 )，係於光學板積層片必須加以嚴格管理 (第1 1圖）。 如第1 1眉所示，在此，所謂吸收軸之角度（0 1 ) ，係將對於光學板積層片（1 0 )之基準線（9 )之吸收 軸（1 )之角度，將自偏光側所視爲反時針方向當做正所 表示之角度，所謂遲相軸之角度（β 2 )，係將對於光學 本紙張尺度逍用中國國家標準（CNS ) Α4規格（210X297公釐] 7JI — 1221538 A7 ____B7 五、發明説明（2) 板積層片〔10)之基準線（9)之遲相軸（2)之角度 ，將自偏光板側所視爲反時針方向當做正所表示之角度， 仟·都以0。以上未滿1 8 0。而予以表示。基準線（9 )通常係方形之光學板積層片之基準邊（9 〇 )，亦即， 選擇與長邊方向平行（第1丄圖）或與短邊方向平行。 又’方形之光學板積層片（1 〇 )大小係依照作爲目 的之液晶顯示裝置之大小做出適當選擇，例如長邊爲3 〇 m m X短邊2 0 m m〜長邊3〇〇m m X短邊2 0 0 m m 之程度。 這種方形之光學板積層片，係例如將帶狀之偏光板與 帶狀之相位差板作爲原材料，從這些分別將方形之偏光板 片及方形之相位差板片獨立地切出，可將此方形之偏光板 片與相位差板片經由黏著劑等張貼之方法等力η以製造。作 爲原材料所使用之帶狀偏光板及帶狀相位差板，皆作爲偏 光板及相位差板之原材料爲一般性，例如以捲成捲筒狀之 狀態供應。 有關光學板積層片，即使組配於相異種類之液晶顯示 (請先閲讀背面之注意事項再填寫本頁) 經濟部智慧財產局員工消費合作社印製 軸謂}之 } 相所 9 軸 0 遲，{ 相 { 之此線遲度 差在準之角 位。基板之 相多之差出 之也片位算 } 形晶相所 1 情層及 } 0 之積 } I C 同學 1 彳 軸相光 Θ 式 收 } 於 { 算 吸 0 對度計 之 ί 從角記 板度係之下 光角，軸由 偏對 } 收藉 於相 Θ 吸} 對之彳之 2 ， } 度板 0 者 2 角光 ί 置 Θ 對isr度 裝 {相之角 」 本紙張尺度適用中國國家標準（CNS ) A4規格（210 X 297公釐） -5 - 1221538 A7 B7_ 五、發明説明（3) θ = Θ 2 - θ I ( I ) (請先閱讀背面之注意事項再填寫本頁) 然而，若經由上述偏光板片及相位差板片之製造方法 時，即使所獲得之光學板積層體片之相對角度（Θ )相同 若該光學板積層體之尺寸或對於基準線（9 )之吸收軸 角度（θ 1 )及相位差板之遲相軸角度（0 2 )不同時， Μ存不能轉用於另外液晶顯示裝置用之光學板積層體片製 造之問題。 作爲解決這種問題，可想到的是，例如，第1 2圖（ a )，第1 2圖（b )所示，屬於平行四邊形狀之光學板 積層體，製造具有平行於偏光板之吸收軸（1 )之2邊（ FG，EH)，與平行（第12圖（a))或直交（第 1 2圖（b ))於相位差板之遲相軸（2 )之2邊（E F ，H G )之光學板積層體（8 )，將此作爲中間體，從這 成爲R的之光學板積層片，依照其縱橫之尺寸，吸收軸角 度（θ 1 )，遲相軸角度（0 2 )切出之方法。 經濟部智慧財產局員工消費合作社印製 若依據這種製造方法，於平行四邊形狀之光學板積層 體（8 )，構成平行四邊形之2組對邊之中，1組對邊（ F G，Ε Η )係與偏光板之吸收軸（1 )平行，另1組之 對邊（E F，H G )係與相位差板之遲相軸（2 )方向平 行（第1 2圖（a ))或直交（第1 2圖（b ))，所以 ，此光學板積層體（8 )將具有與對偏光板之吸收軸（1 )的相位差板之遲相軸（2 )之相對角度（0 )相同角度 (έΜ (第1 2圖（a ))或角度（0 — 9 0 ° )(第 本紙張尺度適用中國國家標準（CNS ) A4規格（210X297公釐） ' 一 1221538 A7 __B7 _ 五、發明説明（4) 1 2圖（b ))相交之2邊（F G，H G )。因此， z H G F (角度0 )，係變成角度0或角度（0 — 9 0。 (請先閲讀背面之注意事項再填寫本頁) )’也可將該角度（Θ )或角度（Θ — 9 0。）從平行四 邊形之形狀加以判別。 .因此’若依藉經由此平行四邊形之光學板積層體（8 )/之製造方法，因從預先偏光板與相位差板以既定相對角 ϋ ( Θ )所積層出之平行四邊形之光學板積層體（8 )， 切出作爲目的之光學板積層體片，所以，例如將上述相對 角度（0 )爲共通，縱橫之尺寸爲相異之複數種類之光學 板積層體片，或上述相對角度（0 )及縱橫尺寸爲相同， 而Η有對基準線（9 )的偏光板之吸收軸（1 )之角度（ Θ 1 )及相位差板之遲相軸（2 )角度（0 2 )爲不同之 複數種類之光學板積層體片，就可由一種光學板積層體片 (8 )加以製造。其結果，可將此平行四邊形之光學板積 層體，作爲共通於複數種類之光學板積層體片之中間體而 加以保管、管理，所以，可節省庫存管理，進而可達成提 局生產力。 經濟部智慧財產局員工消費合作社印製 但是，於這種平行四邊形之光學板積層體，於實際作 業，構成平行四邊形之2組平行之對邊之中，那一組與偏 光板之吸收軸（1 )平行依據肉眼判別那一組與相位差板 之遲相軸（2 )平行或直交並不不容易，有可能將吸收軸 (1 )方向與遲相軸（2 )方向弄錯。 【發明槪要】 本紙張尺度適用中國國家標準（CNS ) Α4規格（210Χ297公釐） 1221538 A7 B7 五、發明説明（5 ) (請先閲讀背面之注意事項再填寫本頁) 於是’本發明人，係欲開發將偏光板之吸收軸（1 ) 方向與相位差板之遲相軸（2 )方向不至於弄錯可容易判 別之光學板積層，其努力硏究之結果，發現了可容易判別 平行於光學板積層之2邊爲平行或直交於相位差板之遲相 軸’ 1邊爲平行於偏光板之吸收軸，另1邊爲對偏光板之 吸收軸並非平行之光學板積層體，係偏光板之吸收軸與相 位差板之遲相軸，終於達成本發明。 亦即，本發明係提供一種光學板積層體（3 )，其特 徵爲；積層第一光學板與第二光學板而成，具有；對於第 二光學板之光學軸（2 )平行或直交之互相平行之2邊（ A B，D C )，與對於該2邊（A B，D C )斜行對於第 一光學板之光學軸（1)平行之1邊（BC)，與對於該 1邊（BC)並非平行之另1邊（AD)。1221538 A7 B7 V. Description of the Invention (1) [Technical Field of the Invention] The present invention relates to an optical plate laminate. (Please read the precautions on the back before filling out this page) [Background of the Invention] Optical plates represented by polarizing plates, retardation plates, etc. are important optical components constituting liquid crystal display devices. Two or more optical plates of this type are laminated, and they are often assembled and used in liquid crystal display devices. For example, STN (Super Twist Nematic) type liquid crystal display devices have become the first optical plate (such as a polarizing plate) and the second laminated layer. There are many cases where square optical plate laminated sheets of optical plates (such as retardation plates) are assembled. The consumer cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs printed this laminated optical plate (1 0). The optical axis of the polarizing plate is the absorption axis (1), or the optical axis of the retardation plate is the late phase axis. (2) The direction of the liquid crystal display device is important in obtaining the display function of the liquid crystal display device. If these are slightly deviated from the predetermined design, the liquid crystal display device cannot perform its intended performance. Therefore, for the reference line (9) of the optical plate laminated sheet (10), the angle (0 1) of the absorption axis (1) of these polarizing plates or the angle (Θ 2) of the retardation axis (2) of the retardation plate , Laminated on the optical board must be strictly managed (Figure 11). As shown in the 11th row, the angle (0 1) of the absorption axis refers to the angle of the absorption axis (1) with respect to the reference line (9) of the optical plate laminated sheet (1 0). The counterclockwise direction is regarded as the angle indicated by the positive side. The so-called late phase angle (β 2) will be applied to the optical paper size of the Chinese National Standard (CNS) Α4 specification (210X297 mm) 7JI — 1221538 A7 ____B7 V. Description of the invention (2) The angle of the late phase axis (2) of the reference line (9) of the laminated sheet (10), the anti-clockwise direction taken from the polarizing plate side is regarded as the positively indicated angle, 仟· All zeros. The above is less than 1 8 0. And show it. The datum line (9) is usually the datum side (90) of the square optical plate laminated sheet, that is, it is selected to be parallel to the long side direction (Figure 1) or parallel to the short side direction. The size of the square optical plate laminated sheet (10) is appropriately selected according to the size of the intended liquid crystal display device, for example, the long side is 30 mm X short side 20 mm to long side 300 mm X short About 2 0 mm. Such a square optical plate laminated sheet uses, for example, a strip-shaped polarizing plate and a strip-shaped retardation plate as raw materials, and the square polarizing plate and the square retardation plate are cut out independently from these, and the The square polarizing plate and the retardation plate are manufactured by applying force η by a method such as an adhesive. Both the belt-shaped polarizing plate and the belt-shaped retardation plate used as the raw materials are generally used as raw materials of the polarizing plate and the retardation plate, for example, supplied in a rolled state. Regarding the laminated optical plate, even if it is equipped with a different type of liquid crystal display (please read the precautions on the back before filling out this page). The Intellectual Property Bureau, Ministry of Economic Affairs, Employee Consumption Cooperative Prints the axis title} of the phase 9 axis , The phase retardation of {相 {is at the right angle. The number of different substrates can also be calculated on a piece basis} Shape Crystal Phase 1 Complex and} 0 Product} IC classmate 1 彳 相 相 光 Θ 式 收} in {Calculate suction 0 on the counter from the angle record board The angle of light under the degree system, the axis is offset by} borrowed from the phase Θ suction} 2 of the opposite,} degrees 0 0 2 angle light ί set Θ isr degree installed {phase angle ”This paper scale applies to China National Standard (CNS) A4 Specification (210 X 297 mm) -5-1221538 A7 B7_ V. Description of Invention (3) θ = Θ 2-θ I (I) (Please read the precautions on the back before filling this page) However, if the manufacturing method of the above-mentioned polarizing plate and retardation plate is adopted, even if the relative angle (Θ) of the obtained optical plate laminated body sheet is the same, if the size of the optical plate laminated body or the reference line (9) is When the absorption axis angle (θ 1) and the retardation axis angle (0 2) of the retardation plate are different, the problem of M cannot be transferred to the manufacture of an optical plate laminated body sheet for another liquid crystal display device. As a solution to this problem, it is conceivable that, for example, as shown in Fig. 12 (a) and Fig. 12 (b), an optical plate laminated body belonging to a parallelogram shape is manufactured to have an absorption axis parallel to the polarizing plate (1) 2 sides (FG, EH), parallel to (Fig. 12 (a)) or orthogonal (Fig. 12 (b)) on the two sides of the retardation plate (2) (EF, HG) of the optical plate laminate (8), using this as an intermediate, from the optical plate laminate that became R, according to its vertical and horizontal dimensions, the absorption axis angle (θ 1) and the late phase axis angle (0 2) Cut out method. If printed by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs based on this manufacturing method, a parallelogram-shaped optical plate laminate (8) constitutes two groups of opposite sides of the parallelogram, and one group of opposite sides (FG, E Η ) Is parallel to the absorption axis (1) of the polarizing plate, and the opposite side (EF, HG) of the other group is parallel to the retardation axis (2) of the retardation plate (paragraph 12 (a)) or orthogonal ( (Figure 12 (b)), so the optical plate laminate (8) will have the same angle as the relative angle (0) of the retardation plate (2) of the retardation plate to the absorption axis (1) of the polarizing plate (έM (Fig. 12 (a)) or angle (0-90 °) (this paper size applies the Chinese National Standard (CNS) A4 specification (210X297 mm) '-1221538 A7 __B7 _ V. Description of the invention ( 4) Figure 2 (b)) The two edges (FG, HG) that intersect. Therefore, z HGF (angle 0) becomes angle 0 or angle (0-9 0. (Please read the notes on the back before filling This page)) 'can also distinguish the angle (Θ) or angle (Θ — 9 0.) from the shape of the parallelogram. Therefore,' if you borrow by this plane The manufacturing method of the quadrilateral optical plate laminated body (8) / is to cut out the parallelogram optical plate laminated body (8) laminated from a polarizer and a retardation plate at a predetermined relative angle ϋ (Θ) for the purpose For example, the above-mentioned relative angle (0) is common, and the dimensions of the vertical and horizontal directions are different types of optical plate laminated bodies, or the above-mentioned relative angle (0) and the vertical and horizontal dimensions are the same, and ΗThe angle (θ 1) of the absorption axis (1) of the polarizing plate with respect to the reference line (9) and the angle (0 2) of the retardation plate (2) of the retardation plate are different plural types of optical plate laminated body sheets Can be manufactured from an optical plate laminated body sheet (8). As a result, the parallelogram optical plate laminated body can be stored and managed as an intermediate common to plural kinds of optical plate laminated body sheets, so It can save inventory management, and thus achieve the productivity of the bureau. Printed by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs. However, the laminated optical board of this parallelogram forms a parallelogram in actual operation. Among the two parallel pairs, the one parallel to the absorption axis (1) of the polarizing plate is not easy to discern which group is parallel or orthogonal to the retardation axis (2) of the retardation plate. It is possible that Wrong the direction of the absorption axis (1) and the direction of the late phase axis (2). [Abstract of the invention] The paper size applies the Chinese National Standard (CNS) A4 specification (210 × 297 mm) 1221538 A7 B7 V. Description of the invention (5) (Please read the precautions on the back before filling in this page) So 'the inventor, it is easy to develop the orientation of the absorption axis (1) of the polarizing plate and the retardation axis (2) of the retardation plate so as not to be mistaken. As a result of hard work of discriminating optical plate laminates, it was found that it is easy to determine that two sides parallel to the optical plate laminate are parallel or orthogonal to the retardation axis of the retardation plate. One side is parallel to the absorption axis of the polarizing plate. The other side is an optical plate laminated body whose absorption axis of the polarizing plate is not parallel, which is the absorption axis of the polarizing plate and the late phase axis of the retardation plate, and finally reaches the invention of the invention. That is, the present invention provides an optical plate laminated body (3), which is characterized in that: a first optical plate and a second optical plate are laminated, and the optical axis (2) of the second optical plate is parallel or orthogonal The two sides (AB, DC) parallel to each other, and the one side (BC) parallel to the optical axis (1) of the first optical plate obliquely to the two sides (AB, DC), and the one side (BC) Not the other side (AD) parallel.
茲本發明之光學板積層體之一例，表示於第1圖（ a )，（b) ，（c)及第 2 圖（a) ，（b)及（c)。 【發明之詳細說明】 經濟部智慧財產局員工消費合作社印製 分別表示於第1圖（a ) ，（ b )及（c )之光學板 積層體（3 )之例，係互相平行之2邊（A B，C D )爲 對於第二光學板之光學軸（2 )平行時之例，而表示上底 (A，B)及下底（D，C)爲平行於第二光學板之光學 軸（2 )之梯形光學板積層體（3 )。 這種光學板積層體（3 )，爲偏光板與相位差板所積 層之構造。在此’偏光板係相當於第一光學板，相位差板 本紙張尺度適用中國國家標準（CNS ) A4規格（210X297公釐） 1221538 A7 B7 五、發明説明（6 ) (請先閱讀背面之注意事項再填寫本頁) 係相當於第二光學板。偏光板與相位差板通常係經由接著 劑層而積層。以接著劑而言，例如使用由丙乙烯系感壓型 接著劑（黏著劑）等之接著劑所組成之透明且光學上爲等 方性之接著劑。 於這種光學板積層體（3)，上底（AB)及下底（ D C )相當於互相平行之2邊。上底（A B )長度，係例 如5 Omm〜1 000mm程度，下底（DC)長度，係 例如5〇〇m m〜1 5 0 0 m m程度。 又，這種光學板積層體（3 )，係具有斜邊（B C ) ，此斜邊（B C )係對上述平行之2邊（A B，D C )斜 行之1邊，對該2邊相當於既非平行也非垂直之1邊。此 斜邊（B C)長度，係例如具5 0 0mm〜2 0 0 〇mm .程度。 經濟部智慧財產局員工消費合作社印製 此斜邊（B C )係第一光學板之光學軸（1 )，亦即 與偏光板之吸收軸平行。上底（A B )及下底（D C )係 第二光學板之光學軸（2 )，亦即與相位差板之遲相軸平 行。因此，光學板積層體之斜邊（B C )與下底（D C ) 所成之角度（0 )，亦即Z D C B，係成爲與對偏光板之 吸收軸（1 )的相位差板之遲相軸（2 )之相對角度（0 )相同之角度。 因此，於這種例，偏光板之吸收軸（1 )以斜邊（ B C )表示，相位差板之遲相軸（2 )係互相平行之2邊 ’亦即以上底（A B )及下底（D C )來表示，所以，容 易判別偏光板之吸收軸（1 )方向，與相位差板之遲相軸 本紙張尺度適用中國國家標準（CNS ) A4規格（210 X 297公釐）_ Q _ 1221538 A7 B7 五、發明説明（7 ) (2 )之方向，弄錯其等之方向之可能性低。又’彳目胃胃 度（Θ)係斜邊（B C)與下底（DC)所成之角度（0 )，即以Z D C B表示。 並且，分別表示於第1圖（a ) ，（ b )及（c )之 光學板積層體，係具有對於第一光學板之光學軸（1 )並 非平行之另1邊（A D )，該另1邊（A D )所延伸方向 對於第一光學板之光學軸方向，例如構成1 °〜1 7 9 ° 範圍之角度。該另1邊（AD)長度，爲例如5 00mm 〜2 0 0 0 m m程度。 於第1圖（a )所示光學板積層體，該另1邊（A D )，爲上底（A B )及下底（D C )，亦即直交於互相平 行之2邊。所以，容易辨別斜邊（B C ) ’進而可簡便地 判別第一光學板之光學軸。An example of the optical plate laminate of the present invention is shown in Figs. 1 (a), (b), (c), and 2 (a), (b), and (c). [Detailed description of the invention] Examples of optical plate laminates (3) printed in Figure 1 (a), (b), and (c) of the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs are shown in Figure 1. (AB, CD) is an example when the optical axis (2) of the second optical plate is parallel, and the upper bottom (A, B) and the lower bottom (D, C) are parallel to the optical axis of the second optical plate ( 2) The laminated optical plate (3) of a trapezoidal optical plate. The optical plate laminate (3) has a structure in which a polarizing plate and a retardation plate are laminated. Here, the polarizing plate is equivalent to the first optical plate, and the paper size of the retardation plate is applicable to the Chinese National Standard (CNS) A4 specification (210X297 mm) 1221538 A7 B7 V. Description of the invention (6) (Please read the note on the back first Please fill in this page again) It is equivalent to the second optical plate. The polarizing plate and the retardation plate are usually laminated via an adhesive layer. As the adhesive, for example, a transparent and optically isotropic adhesive composed of an adhesive such as a propylene pressure-sensitive adhesive (adhesive) is used. In this optical plate laminate (3), the upper base (AB) and the lower base (DC) correspond to two sides parallel to each other. The length of the upper base (A B) is, for example, approximately 50 mm to 1,000 mm, and the length of the lower base (DC) is, for example, approximately 500 mm to 1 500 mm. The optical plate laminate (3) has a beveled edge (BC), and the beveled edge (BC) is one of the oblique lines to the parallel two sides (AB, DC), and the two sides correspond to Neither side is parallel or vertical. The length of the hypotenuse (B C) is, for example, about 500 mm to 2000 mm. Printed by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs This hypotenuse (B C) is the optical axis (1) of the first optical plate, that is, parallel to the absorption axis of the polarizing plate. The upper bottom (A B) and the lower bottom (D C) are the optical axis (2) of the second optical plate, that is, parallel to the late phase axis of the retardation plate. Therefore, the angle (0) formed by the hypotenuse (BC) and the bottom (DC) of the optical plate laminate is the late phase axis of the retardation plate with respect to the absorption axis (1) of the polarizing plate (2) The relative angle (0) is the same angle. Therefore, in this example, the absorption axis (1) of the polarizing plate is represented by the hypotenuse (BC), and the late phase axis (2) of the retardation plate is two sides parallel to each other, that is, the upper base (AB) and the lower base (DC), so it is easy to determine the direction of the absorption axis (1) of the polarizing plate and the retardation axis of the retardation plate. The paper size applies the Chinese National Standard (CNS) A4 specification (210 X 297 mm) _ Q _ 1221538 A7 B7 V. Direction of invention description (7) (2), the possibility of getting the wrong direction is low. Also, the degree of the stomach and stomach (Θ) is the angle (0) formed by the hypotenuse (B C) and the bottom (DC), which is expressed as Z D C B. In addition, the optical plate laminates shown in Figs. 1 (a), (b), and (c) respectively have another side (AD) which is not parallel to the optical axis (1) of the first optical plate. The direction in which one side (AD) extends corresponds to the direction of the optical axis of the first optical plate, for example, forming an angle ranging from 1 ° to 179 °. The length of the other side (AD) is, for example, approximately 500 mm to 2000 mm. In the optical plate laminate shown in Fig. 1 (a), the other side (A D) is an upper bottom (A B) and a lower bottom (D C), that is, orthogonal to two sides parallel to each other. Therefore, it is easy to distinguish the hypotenuse (B C) ', and the optical axis of the first optical plate can be easily determined.
除此之外，分別表示於第1圖（a ) ，（ b )及（C )所示之例，若相對角度（0 )爲未滿4 0 °時或超過 1 4 0 °時，梯形變成細長形狀，因光學板積層體之處理 成爲較困難之傾向，所以，Θ係位於4 0 °以上或 1 4 0 ◦以下較佳，更佳爲4 0 °以上1 3 5 °以下爲佳 。又，若角度（0)爲90°時’一般，不能將邊（BC )辨識爲斜邊之外，尤其當邊（AD)爲與上底（AB) 及下底（DC).直交，邊（AD)爲與上底（AB)爲相 同長度時，就不能區別上底（A B )與該一邊（A D ) ’ 所以，角度（0 )，亦即Z D C B爲未滿9 0 °或超過 9〇。較佳，所以，相對角度（0 )爲未滿9 〇 ° ’或超 本紙張尺度適用中國國家標準（CNS ) A4規格（210X297公釐）_ 1〇 _ (請先閲讀背面之注意事項再填寫本頁) 、τ 經濟部智慧財產局員工消費合作社印製 1221538 A7 _________B7 ____ 五、發明説明（8 ) 過9 0。就可以。而且，實用上，角度（0 )，亦即相對 角度（0 )爲8 9 °以下，或9 1。以上時，就可將邊（ B C )辨識爲斜邊。 分別表示於第2圖（a ) ，（ b )及（c )之光學板 積層體（3 )之例，係互相平行之2邊（a B，D C )對 第二光學板之光學軸（2 )直交時之例，表示上底（AB )及下底（DC)與第二光學板之光學軸（2)直交之梯 形光學板積層體（3 )。 這種光學板積層體（3 )，係偏光板與相位差板所積 層出之構造。在此，偏光板係相當於第一光學板，相位差 板係相當於第二光學板。偏光板與相位差板通常係經由接 著劑而予以積層。以接著劑而言，例如使用由丙乙烯系感 壓型接著劑（黏著劑）等之接著劑所組成之透明且光學上 等方性之接著劑。 於這種光學板積層體（3)，上底（AB)及下底（ (請先閱讀背面之注意事項再填寫本頁)In addition, the examples shown in (a), (b), and (C) of Fig. 1 are shown. If the relative angle (0) is less than 40 ° or exceeds 140 °, the trapezoid becomes The slender shape tends to be difficult to handle with the laminated optical plate, so Θ is preferably 40 ° or more or 140 ° or less, more preferably 40 ° or more and 15 ° or less. In addition, if the angle (0) is 90 °, the edge (BC) cannot be identified as a hypotenuse, especially when the edge (AD) is orthogonal to the upper base (AB) and the lower base (DC). When (AD) is the same length as the upper base (AB), the upper base (AB) and the side (AD) cannot be distinguished. Therefore, the angle (0), that is, ZDCB is less than 90 ° or more than 90. . It ’s better, so the relative angle (0) is less than 90 °, or the standard of this paper is applicable to China National Standard (CNS) A4 specification (210X297mm) _ 1〇_ (Please read the notes on the back before filling This page), τ Printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs 1221538 A7 _________B7 ____ 5. Description of the invention (8) Over 90. can. Moreover, in practical terms, the angle (0), that is, the relative angle (0) is 8 9 ° or less, or 9 1. In the above, the edge (B C) can be identified as a hypotenuse. Examples of optical plate laminates (3) shown in Figure 2 (a), (b), and (c), respectively, are two sides (a B, DC) parallel to the optical axis of the second optical plate (2 The example at the time of orthogonal cross indicates a trapezoidal optical plate laminate (3) where the upper bottom (AB) and the lower bottom (DC) are orthogonal to the optical axis (2) of the second optical plate. This optical plate laminate (3) has a structure in which a polarizing plate and a retardation plate are laminated. Here, the polarizing plate is equivalent to a first optical plate, and the retardation plate is equivalent to a second optical plate. The polarizing plate and the retardation plate are usually laminated via an adhesive. As the adhesive, for example, a transparent and optically isotropic adhesive composed of an adhesive such as a propylene-based pressure-sensitive adhesive (adhesive) is used. In this optical board laminate (3), upper bottom (AB) and lower bottom ((Please read the precautions on the back before filling this page)
、1T 經濟部智慧財產局員工消費合作社印製 如如 互當如 與第 例例 述相例 即爲 係係 上邊係 亦 } 度度 對 2 度 ，C 長長 係該長 } . D ) ) ) ^ ) 1 - ( B c c ， C ( .0 ADB 邊 B 軸下 ( ( ( 1 ( 學及 底底 邊之邊 光 } 上下。斜行斜。之 B 。，度此斜此度板 A 邊度程，}。 程學 { 2 程m}c 邊m光底 之mmCDlm一 上 行mo B ，之 ο 第。 平 oo 丨 B 直 ο 爲行 相 ο 5 邊 A 垂 ο } 平 互 οι 斜彳非 2C 軸 於 1 ~ 有邊也 ~ B 收 當 ~m具 2 行m{ 吸 相mm， 之平 m 邊之 )mo 又行非 ο 斜板 C ο ο 平既 ο 光 D 5 5 相於 5 偏 本紙張尺度適用中國國家標準（CNS ) A4規格（210X297公釐） 1221538 A7 ______ B7 ___ 五、發明説明（9 ) (請先閲讀背面之注意事項再填寫本頁) 二光學板之光學軸，亦即與相位差板之遲相軸（2 )直交 。因此，通過頂點C平行（沒有圖示）於該遲相軸（2 ) 之線係直交於下底（D C )，其（沒有圖示）線與斜邊（ B C )所構成之鈍角爲與角度（0 )相符。因此，光學板 積層體之斜邊（BC)與下底（DC)所構成之角度（0 )，亦即Z D C B，成爲與（0 — 9 0 ° )相同角度。 因此，於這些例，偏光板之吸收軸（1 )係以斜邊（ B C )表示，相位差板之遲相軸（2 )之方向係以直交於 上底及下底之線方向表示，所以容易辨識偏光板之吸收軸 (1 )之方向，與相位差板之遲相軸（2 )方向，弄錯其 等方向之可能性也低。又，相對角度（0 )，係由斜邊（ BC)與下底（DC)所構成之角度（0)，可由式（Π .)算出， 0 = 0 + 90。 （Π) 並且分別表示於第2圖（a) ，（b)及（c)之光 經濟部智慧財產局員工消費合作社印製 學板積層體，係具有對第一光學板之光學軸（1 )並非平 行之另1邊（AD)，該另1邊（AD)所延伸之方向， 係對第一光學板之光學軸方向構成如1 °〜1 7 9 °範圍 之角度’該另1邊之長度，係例如5 0 0 mm〜2 0〇〇 m m程度° 於第2圖（a )所示之光學板積層體，該另1邊（ AD) ’係上底（AB)及下底（DC)，亦即直交於互 本紙張尺度適用中國國家榡準（CNs ) A4規格（210 X 297公釐）-12- 1221538 Α7 Β7 五、發明説明（10) 相平行之2邊◦因此，可容易知道斜邊（B c )，進而可 更加簡便地判別第一光學板之光學軸。 (請先閱讀背面之注意事項再填寫本頁) 除此之外，於分別表示於第2圖（a ) ，（ b )及（ c )之例，若相對角度（Θ )超過5 0 °未滿1 3 0。時 ，角度（0)未滿40°或超過1 40°時，梯形成爲細 長形狀，由於光學板積層體之處理上趨於困難，所以Θ爲 5〇°以下或1 3〇°以上較佳，更加爲4 5 °以下或 1 3 0 °以上。又，若角度（0 )爲9 0 °時一般也不能 將邊（B C )辨識爲斜邊之外，尤其邊（A D )爲與上底 (AB)及下底（DC)直交，上底（AB)與邊（ad )相同長度時.，就無法區分上底（A B )與該一邊（a D )，所以，角度（0 )係未滿9 0 °或超過9 0。較佳， 因此相對角度（Θ )爲未滿1 8 0 °或超過〇 °就可以。 按，實用上，若角度（0 )爲8 9 °以下或9 1 °以上時 ，就可將邊（B C )辨識爲斜邊，所以，相對角度（0 ) 爲1 7 9以下，或1 °以上就可以。 經濟部智慧財產局員工消費合作社印製 第1圖及第2圖所示之光學板積層體雖然爲四角形（ 梯形）之形狀，但是本發明之光學板積層體係並非限定於 四角形，例如於其4個頂點（A，B，C，D )，至少缺 其中之一*個頂點之形狀也可以。 例如，本發明之光學板積層體，係如第9圖及第1 0 圖所示，於第1圖及第2圖所示之四角形之光學板積層體 中，缺少一個頂點（C )，也可更具平行於另1邊（A D )之1邊（C’ C ” ）。這種光學板積層體依據從四角形 本紙張尺度適用中國國家標準（CNS ) A4規格（21〇X297公釐）~Γϊ3 _ 1221538 A7 B7 五、發明説明（11) 之光學板積層體切離其中之一頂點（c )使得可容易製造 (請先閲讀背面之注意事項再填寫本頁) 從這種本發明之光學板積層體（3)，欲獲得方形光 學板積層片（1 0 )時，依照作爲目的之光學板積層片之 縱橫尺寸’或對於基準偏光板之吸收軸之角度（0 1 )或 相位差板之遲相軸之角度（02)，切斷光學板積層體（ 3 ) ’切出方形之光學板積層片即可。切出方法係並非特 別加以限定，例如可使用沖壓切刀等切斷，予以切出。 在此，對於作爲其目的之方形光學板積層體片之基準 邊（9 0 )之吸收軸（1 )之角度（θ 1 )或遲相軸（2 )角度（Θ2) ’與對光學板積層體（8)之另1邊（ A D )的吸收軸（1 )角度或遲相軸（2 )之角度相等時 ，亦即，方形之光學板積層體片之基準邊（9 0 )之方向 爲平行於該另外1邊（AD)方向時，如第1 3圖及第 1 4圖所示，從該另1邊（A D )，沿著該另1邊（A D )，也可開始切出方形之光學板積層片（1 0 )。 經濟部智慧財產局員工消費合作社印製 將這種本發明之光學板積層體（3 )，欲從帶狀偏光 (帶狀之第一光學板）（4 )及帶狀相位差板（帶狀之第 二光學板）（6 )製造時，雖然可分別將帶狀偏光板及帶 狀相位差板各自切斷爲梯形之後貼合，但是，藉由例如第 3圖或第6圖所示， (i )沿著對帶狀偏光板（帶狀之第一光學板）（4 )之長度方向所構成之角度（0 )，構成爲光學板積層體 (3 )中之對偏光板吸收軸（第1光學板之光學軸）（1 -14- 本紙張尺度適用中國國家標準（CNS ) A4規格（210X297公釐） 1221538 經濟部智慧財產局員工消費合作社印製 A7 B7 ____五、發明説明（12) )的相位差板遲相軸（第二光學板之光學軸）（2 )之相 對角（Θ)(第3掘）或與（0 — 90° )(第6圖）相 等之角度的切斷線（C 1 )，切斷帶狀之帶狀偏光板（4 )，具有對偏光板吸收軸（第一光學板之光學軸）（1 ) 構成上述角度（0)平行之二邊（FG，GH)，切出該 二邊間之距離與帶狀之柑位差板（6 )寬度大約相等之平 行四邊的切片狀之偏光板（5 )。 (ϋ )將所獲得之切片狀之偏光板（5 )對於帶狀相 位差板（6 )，使切片狀之偏光板（5 )之上述二邊（ F Ε，G Η )可沿著帶狀相位差板之兩緣邊（I J ，K L )地，將所獲得之切片狀偏光板（5 )積層於帶狀相位差 板，而得到切片狀之偏光板（5 )積層於帶狀相位差板（ .6 )之帶狀之光學板積層體（7 )。 (iii )將所獲得帶狀之光學板積層體（7 )，沿著所 積層之切片狀之偏光板（5 )形狀之切斷線（C 2 )加以 切斷，以獲得偏光板與相位差板所積層之平彳了四邊形之光 學板積層體（8 )。 (iv )切斷所得到平行四邊形狀之光學板積層體（8 )之方法而製造爲較佳。 於這種製造方法，如第3圖所示，將從帶狀偏光板（ 4)欲切出具有對其長度方向構成與角度（Θ)相等角度 (0 )平行之二邊的平行四邊形之切片狀偏光板（5 )時 ，作爲帶狀相位差板（6 )，若使用具有與其長度方向平 行之遲相輸（2 )之相位差板時’就可獲得互相平灯之2 本紙張尺度適用中國國家標準（CNS ) A4規格（210X297公釐）_巧- (請先閲讀背面之注意事項再填寫本頁) 1221538 A7 B7 經濟部智慧財產局員工消費合作社印製 五、發明説明（13) 邊（上底（A B )及下底（D C ))與相位差板之遲相軸 (2 )平行之梯形光學板積層體（3 )。 平行四邊形狀之光學板積層體（8 )，係沿著對帶狀 相位差板之兩邊緣（1 K ’ K L )之角度爲0 2之切斷線 (C 3 )切斷，但是’在此對帶狀相位差板之兩邊緣（ I K，K L )之切斷線（C 3 )之角度（必2 )爲9〇° 時，所獲得之光學板積層體（3 )，係1邊（A D )對於 互相平行之2邊（AB，DC)成爲直交（第3圖）。又 ，該角度（0 2 ) ’也有變成比9 0 °大的情形（第4圖 )，也會變成比9 0 °小的情形（第5圖）。 若該角度（02)爲（18〇° — Θ2)時（第3圖 ，第4圖，第5圖），於所獲得梯形光學板積層體（3 ) 之1邊（A D )，因成爲平行於作爲其目的之光學板積層 片（10)之基準邊（90)，所以可將該1邊（ A D )，當作開始切出光學板積層片（1 0 )之線。 另一方面，如第6圖所示，從帶狀偏光板（4 )對於 其長度方向欲切出與角度（Θ — 90° )相等之角度 )具有平行之二邊之平行四邊形之切片狀偏光板（5 )時 ，作爲帶狀相位差板（6 )若使用具有與其長度方向直交 之遲相軸（2 )之相位差板時，就可獲得互相平行之2邊 (上底（A B ).及下底（D C ))爲與相位差板之遲相軸 (2 )成直交之梯形光學板積層體（3 )。 在此，若對帶狀之相位差板之兩側緣（I J ，K L ) 之切斷線（C 3 )之角度（％ 2 )爲9 0 °時，所獲得之 (請先閲讀背面之注意事項再填寫本頁) 、τ 本紙張尺度適用中國國家標準（CNS ) A4規格（210X297公釐） 1221538 A7 B7 五、發明説明（14) 光學板積層體（3 )係1邊（AD)對互相平行之2邊（ AB，DC)成爲直交者（第6圖）。又’該角度（02 )，也有比9 0。大的情形（第7圖）’也會比9 0 °小 的情形（第8圖）。 若該角度（02)爲（270° - Θ2)時（第6圖 ，第7圖，第8圖）’於所獲得梯形之光學板積層體（3 )之1邊（A D )，因平行於將作爲其目的之光學板積層 片（1 0 )之基準邊（9 0 )，所以可將該1邊（A D ) ，當作開始切出光學板積層片（1 0 )之線。 而且，於平行四邊形之光學板積層體（8 )之切斷線 (C 3 )之位置雖然可隨意設定’但是’如通過該積層體 (8 )重心選擇切斷線時，就可獲得2枚同一形狀之光學 板積層體（3 )。 又，於本發明之光學板積層體，偏光板（第一光學板 )與相位差板（第二光學板）’通常係經由接著層而予以 積層，但是，這種接著層，通常係預先設在帶狀偏光板（ 帶狀之第一光學板）（4) 一方之面上。 本發明之光學板積層體，若其形狀爲梯形時，第一光 學板之光學軸係以構成梯形之斜邊而予以表示，第二光學 板之光學軸係以上底及下底而予以表示，或以上底及與下 底直交者而表示，所以，不會弄錯第一光學板之光學軸與 第二光學板之光學軸，其結果，可將方形之光學板積層片 以良好之生產力切出。 本紙張尺度適用中國國家標準（CNS ) A4規格（210X297公釐）_ 17 _ —----.--11 (請先閲讀背面之注意事項再填寫本頁) 訂 經濟部智慧財產局員工消費合作社印製 1221538 A7 B7 五、發明説明（15 ) 圖式之簡單說明 第1圖’第2圖，第9圖及第1 0圖，係表示本發明 之光學板積層之例之模式圖。 第3圖及第6圖，係表示本發明之光學板積層體之製 程一例之模式圖。 第4圖，第5圖，第7圖及第8圖，係表示從平行四 邊形之光學板積層製造本發明之光學板積層之製程一例之 模式圖。 第1 1圖係表示方形之光學板積層片之基準線，與第 一光學板之光學軸，與第二光學板之光學軸之關係之模式’ 圖。 第12圖係表示平行四邊形之光學板積層片之第一光 學板之光學軸，與第二光學板之光學軸之關係之模式圖。 第1 3圖及第1 4圖，係表示從本發明之光學板積層 片’沿著1邊（AD)切出方形之光學板積層片方法一例 之模式圖。 【符號之說明】 1 :偏光板之吸收軸（第一光學板之光學軸） 2 :相位差板之遲相軸（第二光學板之光學軸） 3 :光學板積層體 4 :帶狀偏光板（帶狀之第一光學板） 5 :切片狀之偏光板（切片狀之第一光學板） 6 :帶狀相位差板（帶狀之第二光學板） 本紙張尺度適用中國國家標準（CNS ) A4規格（210X297公釐） (請先閲讀背面之注意事項再填寫本頁) 、11 經濟部智慧財產局員工消費合作社印製 1221538 經濟部智慧財產局員工消費合作社印製 A7 __ B7 _ 五、發明説明（16) 7 :帶狀之偏光板（切片狀之第一光學板）與帶狀之 相位差板（帶狀之第二光學板）所積層之帶狀光學板積層 體 8 :平行四邊形之光學板積層體 9 :光學板積層片之基準線 9 0 :光學板積層片之基準邊 1 0 :光學板積層片 C 1 :切斷線 C 2 :切斷線 C 3 :切斷線 Θ 1 :對光學板積層片基準線的偏光板之吸收軸（第 一光學板之光學軸）之角度 0 2 :對光學板積層片基準線的相位差板之遲相軸（ 第二光學板之光學軸）之角度 0 :對偏光板之吸收軸（第一光學之光學軸）的相位 差板之遲相軸（第二光學之光學軸）之相對角度（Θ 2 -Θ 1 ) 0 :對帶狀偏光板（帶狀之第一光學板）長度方向的 切斷線（C 1 )之角度 0 2 :對相位差板（帶狀之第二光學板）兩邊緣的切 斷線（C 3 )之角度 (請先閲讀背面之注意事項再填寫本頁) 本紙張尺度適用中國國家標準（CNS ) A4規格（210X297公釐）_以-、 1T printed by the Consumer Cooperative of the Intellectual Property Bureau of the Ministry of Economic Affairs, such as the same as the first example, it is the same as above, and the degree is 2 degrees, and the long C is the long}. D))) ^ ) 1-(B cc, C (.0 ADB side B axis down (((1 (Learning and bottom edge edge light)} up and down. Oblique line oblique. ,}. Cheng Xue {2 程 m} c edge mCDlm with a light edge of the bottom of the CD, the first. Mo flat, 丨 B straight ο is the line phase ο 5 sides A vertical ο} horizontal oblique non 2C axis At 1 ~ there are edges ~ B to receive ~ m with 2 rows m {suction phase mm, flat m side of the edge) mo and not ο inclined plate C ο ο flat both ο light D 5 5 phase 5 paper The dimensions are applicable to the Chinese National Standard (CNS) A4 specification (210X297 mm) 1221538 A7 ______ B7 ___ V. Description of the invention (9) (Please read the precautions on the back before filling this page) The optical axis of the optical plate, which is the same as The late phase axis (2) of the retardation plate is orthogonal. Therefore, a line parallel to the late phase axis (2) through the vertex C is orthogonal to the bottom (DC), which (not shown) The obtuse angle formed by the line and the hypotenuse (BC) is consistent with the angle (0). Therefore, the angle (0) formed by the hypotenuse (BC) and the bottom (DC) of the optical plate laminate, that is, ZDCB, becomes Same angle as (0-9 °). Therefore, in these examples, the absorption axis (1) of the polarizing plate is represented by the hypotenuse (BC), and the direction of the retardation axis (2) of the retardation plate is orthogonal to The upper and lower line directions are shown, so it is easy to identify the direction of the absorption axis (1) of the polarizing plate, and the direction of the late phase axis (2) of the retardation plate, and the possibility of misaligning them is also low. The relative angle (0) is the angle (0) formed by the hypotenuse (BC) and the bottom (DC), which can be calculated from the formula (Π.), 0 = 0 + 90. (Π) and are shown in the second Figures (a), (b), and (c) of the printed board laminate of the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Light and Economics, which have the other optical axis (1) that is not parallel to the first optical plate (AD) ), The direction in which the other side (AD) extends is an angle ranging from 1 ° to 179 ° with respect to the direction of the optical axis of the first optical plate 'the length of the other side For example, it is about 500 mm to 2000 mm. It is the optical plate laminate shown in Fig. 2 (a). The other side (AD) 'is the upper bottom (AB) and the lower bottom (DC). That is, it is orthogonal to the standard of the paper. The Chinese National Standards (CNs) A4 specification (210 X 297 mm) -12- 1221538 Α7 Β7 V. Description of the invention (10) Two sides parallel to each other ◦ Therefore, it is easy to know the oblique Side (B c), so that the optical axis of the first optical plate can be more easily determined. (Please read the precautions on the back before filling this page) In addition, in the examples shown in Figure 2 (a), (b), and (c), respectively, if the relative angle (Θ) exceeds 50 ° Over 1 3 0. When the angle (0) is less than 40 ° or more than 140 °, the trapezoid becomes an elongated shape. Since it is difficult to handle the optical plate laminate, Θ is preferably 50 ° or less, or 130 ° or more. It is more than 45 ° or more than 130 °. In addition, if the angle (0) is 90 °, the edge (BC) cannot generally be identified as other than the hypotenuse, especially the edge (AD) is orthogonal to the upper base (AB) and the lower base (DC), and the upper base ( When AB) is the same length as the side (ad), the upper base (AB) and the side (a D) cannot be distinguished. Therefore, the angle (0) is less than 90 ° or more than 90. Preferably, the relative angle (Θ) may be less than 180 ° or more than 0 °. Press, practically, the side (BC) can be identified as a hypotenuse if the angle (0) is below 8 9 ° or above 9 1 °, so the relative angle (0) is below 1 7 9 or 1 ° That's it. Although the optical plate laminate shown in Figures 1 and 2 is printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs, it is a quadrangular (trapezoidal) shape. Vertices (A, B, C, D), at least one of them * the shape of the vertices can also be. For example, as shown in FIG. 9 and FIG. 10, the optical plate laminated body of the present invention lacks a vertex (C) in the rectangular optical plate laminated body shown in FIG. 1 and FIG. It can be more parallel to one side (C'C ”) of the other side (AD). This optical board laminated body is based on the Chinese paper standard (CNS) A4 specification (21 × 297 mm) from the paper size of the rectangle. Γϊ3 _ 1221538 A7 B7 V. Description of the invention (11) The optical plate laminate is cut away from one of the vertices (c) to make it easy to manufacture (please read the precautions on the back before filling this page) From this kind of optical For the laminated board (3), if a square optical board laminated sheet (1 0) is to be obtained, according to the vertical and horizontal dimensions of the intended optical board laminated sheet or the angle (0 1) or the retardation plate with respect to the absorption axis of the reference polarizing plate The angle (02) of the late phase axis can be used to cut the optical plate laminated body (3). It is sufficient to cut out the square optical plate laminated sheet. The cutting method is not particularly limited. For example, it can be cut using a stamping cutter or the like. Cut out. Here, the square optical plate as its purpose The angle (θ 1) of the absorption axis (1) or the retardation axis (2) angle (Θ2) of the reference side (90) of the laminated body sheet and the other side (AD) of the laminated body (8) of the optical plate When the angle of the absorption axis (1) or the angle of the late phase axis (2) is equal, that is, when the direction of the reference side (90) of the square optical plate laminate is parallel to the direction of the other side (AD) As shown in Fig. 13 and Fig. 14, from the other side (AD), along the other side (AD), a square optical plate laminated sheet (1 0) can also be cut. The Ministry of Intellectual Property Bureau employee consumer cooperative prints this optical plate laminate (3) of the present invention, which is intended to change from strip polarized light (strip-shaped first optical plate) (4) (Second optical plate) (6) At the time of manufacture, although the strip-shaped polarizing plate and the strip-shaped retardation plate can be cut into trapezoids and bonded together, for example, as shown in FIG. 3 or FIG. 6, ( i) The angle (0) formed along the length direction of the strip-shaped polarizing plate (the strip-shaped first optical plate) (4) constitutes the pair of polarizing plate absorption axes in the optical plate laminate (3) Optical axis of the 1st optical plate) (1 -14- This paper size applies to the Chinese National Standard (CNS) A4 specification (210X297 mm) 1221538 Printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs A7 B7 ____ V. Description of the invention ( 12) The relative angle of the retardation axis of the retardation plate (the optical axis of the second optical plate) (2) (Θ) (third channel) or an angle equal to (0-90 °) (Figure 6) The cutting line (C 1), cutting the strip-shaped strip-shaped polarizing plate (4), has two sides parallel to the angle (0) of the polarizing plate absorption axis (optical axis of the first optical plate) (1) ( FG, GH), cut out parallel polarized plates (5) of parallel sides with the distance between the two sides and the width of the band-shaped citrus retardation plate (6) approximately. (ϋ) Regarding the obtained slice-shaped polarizing plate (5) and the strip-shaped retardation plate (6), the two sides (F Ε, G Η) of the slice-shaped polarizing plate (5) can be along the strip The sliced polarizing plate (5) obtained by laminating the two edges (IJ, KL) of the retardation plate on the stripe phase difference plate, and the sliced polarizing plate (5) on the stripe phase difference plate (.6) The strip-shaped optical plate laminate (7). (iii) The obtained strip-shaped optical plate laminate (7) is cut along the sliced polarizing plate (5) shaped cutting line (C2) to obtain a polarizing plate and a phase difference The laminated layer of the plate is a rectangular optical plate laminated body (8). (iv) The method of cutting the obtained parallelogram-shaped optical plate laminate (8) is preferably manufactured. In this manufacturing method, as shown in FIG. 3, a slice of a parallelogram having two sides parallel to the angle (0) equal to the angle (Θ) is formed from the strip-shaped polarizing plate (4). In the case of a polarizing plate (5), as a band-shaped retardation plate (6), if a retardation plate having a late phase input (2) parallel to its length direction is used, 'two flat lamps can be obtained. This paper size is applicable China National Standard (CNS) A4 Specification (210X297 mm) _Qiao-(Please read the precautions on the back before filling this page) 1221538 A7 B7 Printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs V. Invention Description (13) Side (Top bottom (AB) and bottom bottom (DC)) a trapezoidal optical plate laminate (3) parallel to the retardation axis (2) of the retardation plate. The parallelogram-shaped optical plate laminate (8) is cut along a cutting line (C3) at an angle of 0 2 to the two edges (1 K'KL) of the strip-shaped retardation plate, but 'here When the angle (must 2) of the cutting line (C3) of the two edges (IK, KL) of the strip-shaped retardation plate is 90 °, the obtained optical plate laminate (3) is 1 side (AD ) The two sides (AB, DC) parallel to each other become orthogonal (Fig. 3). In addition, the angle (0 2) ′ may become larger than 90 ° (FIG. 4), and may also become smaller than 90 ° (FIG. 5). If the angle (02) is (18 °-Θ2) (Figures 3, 4, and 5), one side (AD) of the obtained trapezoidal optical plate laminate (3) is parallel because As the reference edge (90) of the optical plate laminated sheet (10) as its purpose, this one side (AD) can be used as a line for starting to cut out the optical plate laminated sheet (10). On the other hand, as shown in FIG. 6, from the strip-shaped polarizing plate (4), a slice-shaped polarized light having a parallelogram with two sides parallel to the angle (θ-90 °) is cut out from the strip-shaped polarizing plate (4). When the plate (5) is used as the strip-shaped retardation plate (6), if a retardation plate having a late phase axis (2) orthogonal to its length direction is used, two sides parallel to each other (upper base (AB)) can be obtained. And bottom (DC)) are trapezoidal optical plate laminates (3) that are orthogonal to the retardation axis (2) of the retardation plate. Here, if the angle (% 2) of the cutting line (C 3) of the two side edges (IJ, KL) of the strip-shaped retardation plate is 90 °, please read (Please read the note on the back first) Please fill in this page again for the matters), τ This paper size applies Chinese National Standard (CNS) A4 specification (210X297 mm) 1221538 A7 B7 V. Description of the invention (14) Optical board laminated body (3) 1 side (AD) pair with each other The two parallel sides (AB, DC) become orthogonals (Figure 6). Also, the angle (02) is also greater than 90. The large case (Figure 7) 'is also smaller than the 90 ° case (Figure 8). If the angle (02) is (270 °-Θ2) (Fig. 6, Fig. 7, Fig. 8) 'on one side (AD) of the obtained trapezoidal optical plate laminate (3), since it is parallel to The reference edge (90) of the optical plate laminated sheet (1 0) is used as its purpose, so this one edge (AD) can be used as a line for starting to cut out the optical plate laminated sheet (1 0). In addition, although the position of the cutting line (C 3) of the parallelogram optical plate laminate (8) can be set arbitrarily, but if the cutting line is selected by the center of gravity of the laminate (8), 2 pieces can be obtained Optical plate laminate (3) of the same shape. In the optical plate laminate of the present invention, the polarizing plate (first optical plate) and the retardation plate (second optical plate) are usually laminated through an adhesive layer. However, such an adhesive layer is usually provided in advance. On one side of the strip-shaped polarizing plate (the strip-shaped first optical plate) (4). If the shape of the optical plate laminate of the present invention is trapezoidal, the optical axis of the first optical plate is represented by the oblique sides constituting the trapezoid, and the optical axis of the second optical plate is represented by the upper and lower bases. Or the upper and lower sides are orthogonal, so the optical axis of the first optical plate and the optical axis of the second optical plate will not be mistaken. As a result, the square optical plate laminated sheet can be cut with good productivity Out. This paper size is applicable to China National Standard (CNS) A4 specification (210X297 mm) _ 17 _ —----.-- 11 (Please read the precautions on the back before filling this page) Order the staff of the Intellectual Property Bureau of the Ministry of Economy Printed by the cooperative 1221538 A7 B7 V. Description of the invention (15) Brief description of the drawings Fig. 1 ', Fig. 2, Fig. 9 and Fig. 10 are schematic diagrams showing examples of laminated optical plates according to the present invention. Fig. 3 and Fig. 6 are schematic diagrams showing an example of a manufacturing process of the optical plate laminate of the present invention. Fig. 4, Fig. 5, Fig. 7 and Fig. 8 are schematic diagrams showing an example of a process for manufacturing the optical plate laminate of the present invention from the parallelogram-shaped optical plate laminate. Fig. 11 is a pattern diagram showing the relationship between the reference line of a square optical plate laminated sheet, the optical axis of the first optical plate, and the optical axis of the second optical plate. Fig. 12 is a schematic diagram showing the relationship between the optical axis of the first optical plate and the optical axis of the second optical plate of the parallelogram optical plate laminated sheet. Figs. 13 and 14 are schematic diagrams showing an example of a method for cutting a square optical plate laminated sheet along the one side (AD) from the optical plate laminated sheet of the present invention. [Explanation of symbols] 1: Absorptive axis of polarizing plate (optical axis of first optical plate) 2: Latex axis of retardation plate (optical axis of second optical plate) 3: Laminated optical plate 4: Strip-shaped polarized light Plate (striped first optical plate) 5: Sliced polarizing plate (sliced first optical plate) 6: Striped retardation plate (striped second optical plate) This paper size applies Chinese national standards ( CNS) A4 size (210X297 mm) (Please read the precautions on the back before filling out this page), 11 Printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs 1221538 Printed by the Consumer Cooperatives of the Intellectual Property Bureau of the Ministry of Economic Affairs A7 __ B7 _ 5 Explanation of the invention (16) 7: Strip-shaped optical plate laminated body laminated with a strip-shaped polarizing plate (sliced first optical plate) and a strip-shaped retardation plate (strip-shaped second optical plate) 8: Parallel Quadrilateral optical plate laminated body 9: Reference line of optical plate laminated sheet 9 0: Reference edge of optical plate laminated sheet 1 0: Optical plate laminated sheet C 1: Cutting line C 2: Cutting line C 3: Cutting line Θ 1: Absorptance axis of polarizing plate (first The angle of the optical axis of the optical board) 0 2: The angle of the retardation axis (the optical axis of the second optical plate) of the retardation plate of the reference line of the optical plate laminated sheet 0: The absorption axis of the polarizing plate (the first optical axis) Optical axis) relative angle (θ 2 -Θ 1) of the retardation plate (optical axis of the second optical) of the retardation plate 0: cut in the longitudinal direction of the strip-shaped polarizing plate (the strip-shaped first optical plate) The angle of the line (C 1) 0 2: The angle to the cutting line (C 3) on both edges of the retardation plate (the second optical plate with a strip shape) (Please read the precautions on the back before filling this page) This paper Standards apply to China National Standard (CNS) A4 specifications (210X297 mm) _ to-