TW201142439A - Patterned retarder film and method for manufacturing the same - Google Patents
Patterned retarder film and method for manufacturing the same Download PDFInfo
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- TW201142439A TW201142439A TW100103992A TW100103992A TW201142439A TW 201142439 A TW201142439 A TW 201142439A TW 100103992 A TW100103992 A TW 100103992A TW 100103992 A TW100103992 A TW 100103992A TW 201142439 A TW201142439 A TW 201142439A
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- 238000000034 method Methods 0.000 title claims abstract description 31
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 21
- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 77
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- 239000011248 coating agent Substances 0.000 claims abstract description 17
- 238000000576 coating method Methods 0.000 claims abstract description 17
- 239000010408 film Substances 0.000 claims description 96
- 239000000758 substrate Substances 0.000 claims description 29
- 238000001723 curing Methods 0.000 claims description 13
- 239000012788 optical film Substances 0.000 claims description 10
- 229920002284 Cellulose triacetate Polymers 0.000 claims description 6
- NNLVGZFZQQXQNW-ADJNRHBOSA-N [(2r,3r,4s,5r,6s)-4,5-diacetyloxy-3-[(2s,3r,4s,5r,6r)-3,4,5-triacetyloxy-6-(acetyloxymethyl)oxan-2-yl]oxy-6-[(2r,3r,4s,5r,6s)-4,5,6-triacetyloxy-2-(acetyloxymethyl)oxan-3-yl]oxyoxan-2-yl]methyl acetate Chemical compound O([C@@H]1O[C@@H]([C@H]([C@H](OC(C)=O)[C@H]1OC(C)=O)O[C@H]1[C@@H]([C@@H](OC(C)=O)[C@H](OC(C)=O)[C@@H](COC(C)=O)O1)OC(C)=O)COC(=O)C)[C@@H]1[C@@H](COC(C)=O)O[C@@H](OC(C)=O)[C@H](OC(C)=O)[C@H]1OC(C)=O NNLVGZFZQQXQNW-ADJNRHBOSA-N 0.000 claims description 6
- 238000010884 ion-beam technique Methods 0.000 claims description 6
- 229920000089 Cyclic olefin copolymer Polymers 0.000 claims description 5
- 238000001704 evaporation Methods 0.000 claims description 5
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims description 5
- 239000004417 polycarbonate Substances 0.000 claims description 5
- 239000004926 polymethyl methacrylate Substances 0.000 claims description 5
- 230000003667 anti-reflective effect Effects 0.000 claims description 4
- 229920000515 polycarbonate Polymers 0.000 claims description 4
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- 230000015572 biosynthetic process Effects 0.000 claims description 2
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- KKEYFWRCBNTPAC-UHFFFAOYSA-L terephthalate(2-) Chemical compound [O-]C(=O)C1=CC=C(C([O-])=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-L 0.000 claims 2
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- 239000007788 liquid Substances 0.000 claims 1
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- 238000004049 embossing Methods 0.000 abstract description 2
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- 238000010438 heat treatment Methods 0.000 description 6
- 239000002904 solvent Substances 0.000 description 5
- XLLIQLLCWZCATF-UHFFFAOYSA-N 2-methoxyethyl acetate Chemical compound COCCOC(C)=O XLLIQLLCWZCATF-UHFFFAOYSA-N 0.000 description 2
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- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 description 1
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- -1 polyethylene terephthalate Polymers 0.000 description 1
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Abstract
Description
201142439 TW6304PA · 六、發明說明： 【發明所屬之技術領域】 本發明係有關於一種圖案化相位延遲膜及其製造方 法’且特別是有關於一種以壓印方式製造的圖案化相位延 遲膜。 【先前技術】 圖案化相位延遲膜已被應用在三維立體顯示器中，觀 % 眾在佩帶了偏光眼鏡後，可在一具有圖案化相位延遲臈的 液晶顯示器上觀賞三維立體影像。在相關技術領域中已存 在一些製造圖案化相位延遲膜的方法，例如美國專利第 6,624,863號揭露一種製作圖案化相位延遲膜的方法，以及 美國專利第6,498,679號揭露一種使用單片相位延遲膜製 作的微結構相位差膜。本發明提供了 一種新穎的圖案化相 位延遲膜之製造方式，特別是利用壓印的方式來製造圖案 化相位延遲膜。 、BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a patterned phase retardation film and a method of manufacturing the same, and more particularly to a patterned phase retardation film which is produced by imprinting. [Prior Art] A patterned phase retardation film has been applied to a three-dimensional display, and after wearing polarized glasses, a three-dimensional image can be viewed on a liquid crystal display having a patterned phase delay. There are a number of methods for fabricating patterned phase retardation films in the related art. For example, U.S. Patent No. 6,624,863 discloses a method of making a patterned phase retardation film, and U.S. Patent No. 6,498,679 discloses the use of a monolithic phase retardation film. Microstructure retardation film. SUMMARY OF THE INVENTION The present invention provides a novel method of fabricating a phase retardation film, particularly by using an imprint method to fabricate a patterned phase retardation film. ,
【發明内容】 本發明係有關於一種圖案化相位延遲膜以及利用壓 印的方式來製造圖案化相位延遲膜之方法。 根據本發明之一態樣，提出一種製造具微結構的圖案 化相位延遲狀枝。朗案化相錢遲難有複數個第 -相位延遲區及複數個$二相位延輕，其製造方法包含 以下步驟：提供—基材；在該基材的第-表面形成-配向 層，在該配向層上塗佈—聚合性液晶材料形成液晶層；使 3 201142439 *SUMMARY OF THE INVENTION The present invention is directed to a patterned phase retardation film and a method of fabricating a patterned phase retardation film by means of imprinting. According to one aspect of the invention, a method of fabricating a patterned phase retarded branch having a microstructure is provided. The method of manufacturing a method includes the following steps: providing a substrate; forming an alignment layer on the first surface of the substrate, in the case of a long period of time, and having a plurality of first-phase retardation regions and a plurality of second phase delays. Coating the polymerizable liquid crystal material on the alignment layer to form a liquid crystal layer; making 3 201142439 *
TW6304PA 該液晶層與該配向層配向；將該液晶層壓印為預設圖案形 成複數個第一相位延遲區以及複數個第二相位延遲區，其 中該第-相位延遲區及該第二相位延遲區具有格拇狀ς 紋結構且兩者互相平行，該第二相位延遲區相對於該第一 相位延遲區為槽狀結構且與該第一相位延遲區互相六 錯；固化該圖案化液晶層；其中，該第一相位延遲區與= 第二相位延遲區的相位延遲值之差為180度。 、χ 根據本發明之另-態樣，提出一種具有複數個第—相 位延遲區及複數個第二相位延遲區的圖案化相位延遲 膜。該圖案化相位延遲膜包含一基材；一配向層位於該 基材的第一表面；一液晶層，由在該配向層上塗佈一聚合. 性液晶材料所形成；複數個第一相位延遲區及第二相位^ 遲區，其藉由將液晶層壓印為預設圖案所形成，其中該第 相位延遲區及該第二相位延遲區具有格拇狀條紋結構 且兩者互相平行，該第二相位延遲區相對於該第一相位延 遲區為槽狀結構且與該第一相位延遲區互相交錯；固化該 圖案化液晶層；其中，該第-相位延遲區與該第二相位延 遲區的相位延遲值之差為180度。 根據本發明之又一態樣’提出一種製造具微結構的圖 案化相位延遲膜的方法。該圖案化相位延遲膜可貼覆至少 一種功能性光學膜，例如：偏光膜（p〇ladzing fUm)、硬 塗層膜（hard-coating film )、低反射膜（1〇w reflecdve film )、抗反射膜（anti-reflective film )、抗眩膜（anti glaring film )。 根據本發明的再一態樣，提出一種圖案化相位延遲 201142439 TW6304PA t ，以提供觀 膜。該圖案化相位延遲膜可被應用在顯示哭上 賞者三維立體影像。 °° 為了對本發明之上述及其他態樣有更㈣瞭解，下文 特舉較佳實施例’並配合所_式，作詳細說明如下： 【實施方式】 第一實施例 請參照第1圖。第i圖係緣示本發明之較佳實施例的 爆圖案化相位延遲膜100之剖面示意圖。圖案化相位延遲膜 100包含-基材110,一配向層120，一圖案化液晶層13〇, 圖案化液晶層130具有複數個第一相位延遲區131以及複 數個第二相位延遲區132。一離· 14〇貝占覆於固化的液 晶層130之上，當在液晶層13〇上貼覆功能性光學膜，例 如偏光膜時，可以移除離型膜14〇。 請同時參照第2圖、第3A圖、第3B圖、第3C圖、 第3D圖。第2圖係繪示本發明之圖案化相位延遲膜之製 % 造方法的較佳實施例示意圖。第3A圖到第3D圖係繪示圖 案化相位延遲膜之製造方法的較佳實施例之各階段步 驟。步驟S201中，提供一基材21〇。基材21〇的相位延遲 值小於90度’較佳地相位延遲值為實質上〇度。基材21〇 係選自聚對苯一甲酸乙稀酯（p〇ly ethyiene ， PET)，聚碳酸醋（p〇iycarb〇nate，pC)，三醋酸纖維素 (triacetyl cellulose，TAC )，聚曱基丙烯酸甲酯（p〇ly methyl methacrylate ’ PMMA )和環烯烴聚合物（cyclo-olefin polymer ’ COP)所構成之群組。其中，基材210的厚度介 5 201142439 TW6304PA , r 於30微米（μιη)到300微米（μιη)之間。 在步驟S202中，配向層220在基材210上形成。配 向層220在基材210上的形成方式係為所屬技術領域中具 有通常知識者熟知的方法，例如微刮痕配向法 (micro-scratch alignment treatment )，刷磨式配向法 (rubbing treatment)，光配向法（photo-alignment)，二氧 化石夕斜向蒸著法（Si〇2 evaporation )和離子束配向法 (ion-beam alignment) ° 請參照第3A圖，在步驟S203中，在配向層220上 塗佈一液晶材料12〇卜於本發明之圖案化相位延遲膜之製 造方法中使用的液晶材料1201係為聚合性液晶。在本發 明之一實施例中所使用的液晶為BASF LC242 (聚合性液晶 雙丙稀酸酯’ BASF ’德國）。本發明之又一實施例中所使用 的液晶為RMS 10-021(光聚合性活性液晶元溶液，默克光電科 技股份有限公司’台灣）。將液晶與溶劑混合後，塗佈於配 向層220上。液晶溶液的固含量範圍介於ι〇〇/0至5〇0/〇之 間。在本發明的較佳實施例中，液晶溶液的固含量為 20%。本發明中所使用的溶劑係為所屬技術領域中具有通 常知識者所熟知的’例如丙二醇甲醚醋酸酯（pr〇pylene glycol monomethyl ether acetate，PGMEA ) ° 在液晶層 230 壓印為預設圖案前先移除液晶溶液中的溶劑。 請參照第2圖中的步驟S204，加熱液晶材料1201以 移除其中的溶劑’並同時使液晶層230與配向層220配 向。進行加熱處理的溫度介於20。(：至100。(：之間，較佳地 為介於50 C至1 〇〇 c之間。在本發明之一較佳實施例中， 201142439TW6304PA, the liquid crystal layer is aligned with the alignment layer; the liquid crystal layer is printed as a predetermined pattern to form a plurality of first phase delay regions and a plurality of second phase delay regions, wherein the first phase delay region and the second phase delay The region has a lattice-like ridge structure and the two are parallel to each other, the second phase retardation region has a groove-like structure with respect to the first phase retardation region and is six-fold wrong with the first phase retardation region; curing the patterned liquid crystal layer Wherein the difference between the phase delay values of the first phase delay region and the second phase delay region is 180 degrees. According to another aspect of the present invention, a patterned phase retardation film having a plurality of first-phase retardation regions and a plurality of second phase retardation regions is proposed. The patterned phase retardation film comprises a substrate; an alignment layer is located on the first surface of the substrate; a liquid crystal layer is formed by coating a polymerizable liquid crystal material on the alignment layer; and the plurality of first phase delays a region and a second phase, a late region, formed by printing a liquid crystal laminate as a predetermined pattern, wherein the first phase retardation region and the second phase retardation region have a lattice-like stripe structure and the two are parallel to each other, The second phase retardation region is a groove-like structure with respect to the first phase retardation region and interlaced with the first phase retardation region; curing the patterned liquid crystal layer; wherein the first phase retardation region and the second phase retardation region The difference between the phase delay values is 180 degrees. According to still another aspect of the present invention, a method of fabricating a patterned phase retardation film having a microstructure is proposed. The patterned phase retardation film can be attached to at least one functional optical film, such as a polarizing film (p〇ladzing fUm), a hard-coating film, a low-reflection film (1〇w reflecdve film), and an anti-reflection film. An anti-reflective film or an anti-glaring film. In accordance with still another aspect of the present invention, a patterned phase delay 201142439 TW6304PA t is proposed to provide a film viewing. The patterned phase retardation film can be applied to display a three-dimensional image of a crying viewer. In order to better understand the above and other aspects of the present invention, the preferred embodiments hereinafter will be described in detail below with reference to the following: [Embodiment] First Embodiment Please refer to Fig. 1. Figure i is a schematic cross-sectional view showing the blast patterned phase retarder film 100 of the preferred embodiment of the present invention. The patterned phase retardation film 100 includes a substrate 110, an alignment layer 120, and a patterned liquid crystal layer 13A. The patterned liquid crystal layer 130 has a plurality of first phase retardation regions 131 and a plurality of second phase retardation regions 132. The detachment film 14 occupies over the solidified liquid crystal layer 130. When a functional optical film such as a polarizing film is attached to the liquid crystal layer 13 ,, the release film 14 可以 can be removed. Please refer to Fig. 2, Fig. 3A, Fig. 3B, Fig. 3C, and Fig. 3D at the same time. Fig. 2 is a view showing a preferred embodiment of the method for producing a patterned phase retardation film of the present invention. 3A through 3D illustrate various stages of a preferred embodiment of a method of fabricating a patterned phase retardation film. In step S201, a substrate 21 is provided. The phase retardation value of the substrate 21A is less than 90 degrees. Preferably, the phase retardation value is substantially twisted. The substrate 21 is selected from the group consisting of polyethylene terephthalate (PET), polycarbonate (p〇iycarb〇nate, pC), triacetyl cellulose (TAC), and polyfluorene. A group consisting of p〇ly methyl methacrylate 'PMMA' and cyclo-olefin polymer 'COP. Wherein, the thickness of the substrate 210 is 5 201142439 TW6304PA , and r is between 30 micrometers (μιη) and 300 micrometers (μιη). In step S202, the alignment layer 220 is formed on the substrate 210. The formation of alignment layer 220 on substrate 210 is by methods well known to those of ordinary skill in the art, such as micro-scratch alignment treatment, rubbing treatment, light. Photo-alignment, osmosis method (Si〇2 evaporation) and ion beam alignment method (ion-beam alignment) ° Refer to FIG. 3A, in step S203, in the alignment layer 220 The liquid crystal material 1201 used for the method of manufacturing the patterned phase retardation film of the present invention is a polymerizable liquid crystal. The liquid crystal used in one embodiment of the present invention is BASF LC242 (Polymerized Liquid Crystal Diacrylate - BASF 'Germany). The liquid crystal used in still another embodiment of the present invention is RMS 10-021 (photopolymerizable active mesogen solution, Merck & Co., Ltd. Taiwan). The liquid crystal is mixed with a solvent and then applied onto the alignment layer 220. The solid content of the liquid crystal solution ranges from ι〇〇/0 to 5〇0/〇. In a preferred embodiment of the invention, the liquid crystal solution has a solids content of 20%. The solvent used in the present invention is known to those skilled in the art, such as pr〇pylene glycol monomethyl ether acetate (PGMEA) ° before the liquid crystal layer 230 is imprinted into a predetermined pattern. The solvent in the liquid crystal solution is removed first. Referring to step S204 in Fig. 2, the liquid crystal material 1201 is heated to remove the solvent ' while the liquid crystal layer 230 is aligned with the alignment layer 220. The temperature at which the heat treatment is performed is between 20. (: to 100. (between, preferably between 50 C and 1 〇〇 c. In a preferred embodiment of the present invention, 201142439
TW6304PA ::熱::::二广。控制加熱溫度可影響液晶材 材料麗厚度“ 0 Γ^；^。經過加熱處理的液晶 於U.1微未（叫1)至9.9微米（ μηι)之 間，該厚錢定於不同液晶材料的使用以及所欲提供之不 ^相位延遲值。液晶材料㈣的厚度較佳地為介於上 ” μιη)至3微米（μιη)之間。在本發明的一實施 中’聚合性液晶材料咖為BASF LC242，該液晶=TW6304PA :: Hot:::: Erguang. Controlling the heating temperature can affect the thickness of the liquid crystal material "0 Γ ^; ^. The heat treated liquid crystal is between U.1 micro (not 1) to 9.9 micron (μηι), the thick money is set for different liquid crystal materials The phase retardation value is used and desired. The thickness of the liquid crystal material (4) is preferably between "up" and "micro". In an embodiment of the invention, the polymerizable liquid crystal material is BASF LC242, and the liquid crystal =
1201的塗佈厚度為1.78微米（μιη)。在本發明的另一實施 例中’聚合性液晶材料1201為Merck RMS 10-02卜該液 晶材料1201的塗佈厚度為2.1微米（μιη)。 請參照第2圖中的步驟S205，液晶材料1201在經過 加熱處理後接著進行壓印。在步驟S205中，將該液晶材 料1201壓印為具預設圖案的液晶層23〇，該液晶層包含複 數個第一相位延遲區（例如浮雕結構231)以及複數個第 二相位延遲區（例如槽狀結構232)，如第3Β圖所緣示。 該壓印處理藉由表面具有預設圖案的壓印裝置或是滾輪 壓印而成。如第4圖所繪示’在本發明的一實施例中，壓 印處理使用的是槽狀滾輪630。滚輪630的表面是—具浮 雕格拇狀條紋結構631的模具，且該浮雕結構間互相平 订。該組浮雕結構631在滾輪630上沿著滾動方向延伸。 在本發明的另一實施例中，該組浮雕結構631的延伸方向 /、;袞輪630的轉動方向垂直（圖中未緣示）。 當進行壓印處理步驟S205時，液晶層230因凹槽滚 輪630的壓印而形成一組凹槽結構232以及一組浮雕結構The coating thickness of 1201 was 1.78 micrometers (μm). In another embodiment of the present invention, the polymerizable liquid crystal material 1201 is Merck RMS 10-02, and the coating thickness of the liquid crystal material 1201 is 2.1 μm. Referring to step S205 in Fig. 2, the liquid crystal material 1201 is subjected to heat treatment and then imprinted. In step S205, the liquid crystal material 1201 is imprinted into a liquid crystal layer 23A having a predetermined pattern, the liquid crystal layer including a plurality of first phase retardation regions (for example, the relief structure 231) and a plurality of second phase retardation regions (for example The trough structure 232) is as shown in the third drawing. The imprint process is imprinted by an imprint apparatus having a predetermined pattern on the surface or a roller. As shown in Fig. 4, in an embodiment of the invention, the grooved roller 630 is used for the imprint process. The surface of the roller 630 is a mold having a embossed lattice-like stripe structure 631, and the relief structures are mutually aligned. The set of relief structures 631 extend on the roller 630 in the rolling direction. In another embodiment of the present invention, the direction of extension of the set of relief structures 631 is perpendicular to the direction of rotation of the wheel 630 (not shown). When the imprint process step S205 is performed, the liquid crystal layer 230 forms a set of groove structures 232 and a set of relief structures by the embossing of the groove roller 630.
S 231 °該些浮雕結構231以及該些凹槽結構232是彼此平 7 201142439 *S 231 ° The relief structures 231 and the groove structures 232 are flat with each other 7 201142439 *
TW6304PA 行交錯的格柵狀條紋結構。該些浮雕結構23ι以及該些凹 槽結構232之相位延遲值之差為ι80度。 該些浮雕結構231的高度介於0.1微米（μπι)至9.9 微米（μιη)之間，較佳地為介於1微米（μιη)至3微米 (μπι)之間。該些浮雕結構231的尚度因使用的聚合性液 晶以及提供的相位延遲值而有所差異，該些浮雕结構231 的高度使凹槽結構232與浮雕結構231的相位延遲值之差 為180度。在本發明的一實施例中，使用的液晶材料12〇 1 為BASF LC242，塗佈的液晶層厚度為1.78微米（μΓη)。 在本發明的另一實施例中，使用的液晶材料12〇 1為Merck RMS 10-02卜塗佈的液晶層厚度為2.1微米（μιη)£)因此， 具圖案化相位延遲膜之顯示器的大小、顯示器的解析度以 及觀賞的距離將決定兩浮雕結構231之間的間距。—般來 說’兩浮雕結構231的間距介於10微米（μπ〇至900微 米（μιη )之間。例如使用在24吋的液晶監視器時，該二 浮雕結構231之間距約為250微米（μιη )。 在步驟S206中，對圖案化液晶層230進行固化處理。 該固化處理的方法係為所屬技術領域中具有通常知識者 熟知的方法，例如紫外光固化處理或熱固化處理。第4圖 係繪示本發明之一實施例中，使用的連續生產方式，例如 捲對捲生產之系統示意圖。 圖案化液晶層230固化後’可在圖案化液晶層23〇上 貼覆至少另外一層光學膜，如步驟S207所示。在本發明 的一實施例中，該貼覆於液晶層230上的另一層膜為離型 膜240 ’當圖案化相位延遲膜貼覆於顯示器或偏光膜上 201142439 TW6304PA , 時，可以撕除該離型膜240。在本發明的另一較佳實施例 中，該貼覆之光學膜是偏光膜且該偏光膜直接貼覆於圖案 化液晶層230上。 本發明之圖案化相位延遲膜製造方法可以批次製程 (batch production)或連續製程（continuous production)實 行。系統400係用以製造本發明之圖案化相位延遲膜。基 材411自第一滚輪410上放捲並經由通過配向裝置420形 成配向層（圖中未繪示）。接著，利用一塗佈裝置430將 ^ 一層聚合性液晶421塗佈於該配向層上。藉由加熱裝置440 移除該液晶塗層421中的溶劑，並同時使該液晶塗層421 與該配向層配向’其中’塗佈液晶層的加熱溫度介於2〇 它到100°C之間，較佳地為介於50°C到100°C之間，更佳 地為70°C。接著，該配向後的液晶塗層421藉由前述的凹 槽滾輪630進行壓印處理’形成複數個浮雕結構與複數個 槽狀結構。該些複數個浮雕結構與凹槽結構藉由固化裝置 450進行固化處理。該固化裝置可為紫外光固化裝置或熱 > 固化裝置。固化處理後，該些浮雕結構與該些凹槽結構的 的相位延遲值之差為180度。圖案化相位延遲膜451接著 自第一滾輪460上放捲。在本發明的另一實施例中，圖案 化相位延遲膜451可以與自第三滾輪470上放捲的離型膜 471進行層壓。該離型膜471之方向朝向該圖案化相位延 遲膜451。該離型膜471與該圖案化相位延遲膜451經過 層®裝置480,接著自滾輪490上放捲，如第5圖所繪示。 在本發明的一實施例中，圖案化相位延遲膜可貼覆至 少一種功能性光學膜’以進一步提供額外所需的光學特 9 201142439 TW6304PA , , 性。例如偏光膜（polarizing film )、硬塗層膜（hard-coating film )、低反射膜（low reflective film )、抗反射膜 (anti-reflective film)、抗眩膜（anti-glaring film)。該些 功能性光學膜位於基材上形成配向層之另一側。 综上所述，雖然本發明已以較佳實施例揭露如上，然 其並非用以限定本發明。本發明所屬技術領域中具有通常 知識者，在不脫離本發明之精神和範圍内’當可作各種之 更動與潤飾。因此，本發明之保護範圍當視後附之申請專 利範圍所界定者為準。 【圖式簡單說明】 第1圖繪示本發明之一實施例的圖案化相位延遲膜 之剖面圖。 第2圖繪示本發明之一實施例的圖案化相位延遲膜 之製造方法流程圖。 第3A圖至第3D圖繪示本發明之一實施例的製造步 驟示意圖。 第4圖繪示本發明之一實施例的圖案化相位延遲膜 製造系統裝置示意圖。 第5圖繪示本發明之又一實施例的圖案化相位延遲 膜製造系統裝置示意圖。 【主要元件符號說明】 100、451 :圖案化相位差延遲膜 110、210、411 :基材 201142439 TW6304PA , 120、220 :配向層 130、 230 :液晶層 131、 231 :第一延遲區 132、 232 :第二延遲區 140、240、471 :離型膜 12 01 .液晶材料 400 :系統 410 :第一滾輪TW6304PA line interleaved grid-like stripe structure. The difference between the phase delay values of the relief structures 23ι and the recess structures 232 is ι 80 degrees. The height of the relief structures 231 is between 0.1 micrometers (μm) and 9.9 micrometers (μm), preferably between 1 micrometers (μm) and 3 micrometers (μm). The shank of the relief structures 231 differs depending on the polymerizable liquid crystal used and the phase delay value provided. The height of the relief structures 231 is such that the difference between the phase delay values of the groove structure 232 and the relief structure 231 is 180 degrees. . In an embodiment of the invention, the liquid crystal material 12 〇 1 used is BASF LC242, and the thickness of the coated liquid crystal layer is 1.78 micrometers (μΓη). In another embodiment of the present invention, the liquid crystal material 12〇1 used is Merck RMS 10-02, and the thickness of the liquid crystal layer coated is 2.1 μm. Therefore, the size of the display with the patterned phase retardation film The resolution of the display and the distance of viewing will determine the spacing between the two relief structures 231. Generally speaking, the distance between the two relief structures 231 is between 10 micrometers (μπ〇 and 900 micrometers). For example, when using a 24-inch liquid crystal monitor, the distance between the two relief structures 231 is about 250 micrometers ( In step S206, the patterned liquid crystal layer 230 is subjected to a curing treatment. The curing treatment method is a method well known to those skilled in the art, such as ultraviolet curing treatment or thermal curing treatment. A schematic diagram of a continuous production method, such as a roll-to-roll production system, used in an embodiment of the present invention. After the patterned liquid crystal layer 230 is cured, at least another optical film can be attached to the patterned liquid crystal layer 23〇. As shown in step S207, in another embodiment of the present invention, the other film attached to the liquid crystal layer 230 is a release film 240' when the patterned phase retardation film is attached to the display or the polarizing film 201142439 TW6304PA The release film 240 can be peeled off. In another preferred embodiment of the invention, the attached optical film is a polarizing film and the polarizing film is directly attached to the patterned liquid crystal layer 230. The method of fabricating the patterned phase retardation film of the present invention can be carried out by batch production or continuous production. The system 400 is used to fabricate the patterned phase retardation film of the present invention. The substrate 411 is from the first roller 410. The roll is unwinded and an alignment layer (not shown) is formed by passing through the alignment device 420. Next, a layer of the polymerizable liquid crystal 421 is coated on the alignment layer by a coating device 430. The device is removed by the heating device 440. The solvent in the liquid crystal coating layer 421, and at the same time, the liquid crystal coating layer 421 and the alignment layer are disposed to be 'where' the heating temperature of the liquid crystal layer is between 2 〇 and 100 ° C, preferably between Between 50 ° C and 100 ° C, more preferably 70 ° C. Then, the aligned liquid crystal coating 421 is embossed by the aforementioned groove roller 630 'forming a plurality of relief structures and a plurality of grooves The plurality of relief structures and the groove structure are cured by a curing device 450. The curing device may be an ultraviolet curing device or a heat curing device. After the curing process, the relief structures and the concave portions are formed. groove The difference between the phase delay values of the structures is 180 degrees. The patterned phase retardation film 451 is then unwound from the first roller 460. In another embodiment of the invention, the patterned phase retardation film 451 can be used with the third roller. The release film 471 of the unwinding film 470 is laminated. The direction of the release film 471 faces the patterned phase retardation film 451. The release film 471 and the patterned phase retardation film 451 pass through the layer® device 480, and then The roller 490 is unwound as shown in Fig. 5. In an embodiment of the invention, the patterned phase retardation film can be attached to at least one functional optical film 'to further provide additional required optical characteristics 9 201142439 TW6304PA , , sex. For example, a polarizing film, a hard-coating film, a low reflective film, an anti-reflective film, and an anti-glaring film. The functional optical films are located on the substrate to form the other side of the alignment layer. In the above, the present invention has been disclosed in the above preferred embodiments, but it is not intended to limit the present invention. It will be apparent to those skilled in the art that the invention can be practiced in various modifications and changes without departing from the spirit and scope of the invention. Therefore, the scope of the invention is defined by the scope of the appended claims. BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a cross-sectional view showing a patterned phase retardation film according to an embodiment of the present invention. Fig. 2 is a flow chart showing a method of manufacturing a patterned phase retardation film according to an embodiment of the present invention. 3A to 3D are views showing a manufacturing step of an embodiment of the present invention. Fig. 4 is a schematic view showing the apparatus for fabricating a phase retardation film manufacturing system according to an embodiment of the present invention. Fig. 5 is a schematic view showing the apparatus for manufacturing a patterned phase retardation film according to still another embodiment of the present invention. [Description of Main Element Symbols] 100, 451: Patterned Phase Difference Delay Films 110, 210, 411: Substrate 201142439 TW6304PA, 120, 220: Alignment Layers 130, 230: Liquid Crystal Layers 131, 231: First Delay Regions 132, 232 : second retardation zone 140, 240, 471: release film 12 01. liquid crystal material 400: system 410: first roller
420 :配向裝置 421 :液晶塗層 430 :塗佈裝置 440 :加熱裝置 450 :固化裝置 460 :第二滾輪 470 :第三滾輪 480 :層壓裝置 490 ·•滾輪 630 :槽狀滾輪 631 :浮雕結構 632 :凹槽結構 S201 、 S202 、 S203 、 S204 、 S205 、 S206 、 S207 :步 11 ^1.420: alignment device 421: liquid crystal coating 430: coating device 440: heating device 450: curing device 460: second roller 470: third roller 480: laminating device 490 • roller 630: grooved roller 631: relief structure 632: groove structure S201, S202, S203, S204, S205, S206, S207: step 11^1.
Claims (1)
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| US34876810P | 2010-05-27 | 2010-05-27 | |
| US36703310P | 2010-07-23 | 2010-07-23 | |
| US12/972,997 US8553187B2 (en) | 2010-05-27 | 2010-12-20 | Patterned retarder film and method for manufacturing the same |
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| TWI432851B TWI432851B (en) | 2014-04-01 |
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| TWI896161B (en) * | 2023-06-08 | 2025-09-01 | 南韓商三星Ｓｄｉ股份有限公司 | Polarizing plate and optical display device |
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| TWI896161B (en) * | 2023-06-08 | 2025-09-01 | 南韓商三星Ｓｄｉ股份有限公司 | Polarizing plate and optical display device |
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