TWI690374B

TWI690374B - Optical film processing apparatus and method for removing liquid from a surface of an optical film

Info

Publication number: TWI690374B
Application number: TW106140344A
Authority: TW
Inventors: 胡長維
Original assignee: 住華科技股份有限公司
Priority date: 2017-11-21
Filing date: 2017-11-21
Publication date: 2020-04-11
Also published as: TW201924790A

Abstract

An optical film processing apparatus and a method for removing liquid from a surface of an optical film are provided. The optical film processing apparatus includes a transporting system, a spraying device, and a liquid conducting device. The transporting system supports and transports an optical film. The spraying device sprays a liquid to a surface of the optical film. The liquid conducting device contacts the surface of the optical film. The liquid conducting device extends along a width direction of the optical film and has a length, and the length of the liquid conducting device is larger than a width of the optical film. The liquid flows from the surface of the optical film towards and along the liquid conducting device to be delivered out of the optical film.

Description

光學膜製程設備及從光學膜的表面移除液體的方法 Optical film process equipment and liquid removal from the surface of the optical film method

本揭露是有關於一種光學膜製程設備及從光學膜的表面移除液體的方法。 The present disclosure relates to an optical film process equipment and a method for removing liquid from the surface of an optical film.

在光學膜的製程中，常需要將光學膜浸泡於各種製程浴槽中以進行染色交聯製程、表面處理製程或水洗製程，接著清洗光學膜的表面之後並乾燥後才進行光學膜的收捲。然而，在清洗光學膜時，有可能因為大量清洗液累積在位於下方的導引滾輪處，造成光學調整的困難度提高、且積水的重量也可能使光學膜產生皺摺，進而對光學膜的光學性質有不良的影響。 In the process of optical film, it is often necessary to immerse the optical film in various process baths for the dyeing and cross-linking process, surface treatment process or water washing process, and then clean the surface of the optical film and dry it before rewinding the optical film. However, when cleaning the optical film, a large amount of cleaning liquid may accumulate at the guide roller located below, which may increase the difficulty of optical adjustment, and the weight of the accumulated water may also cause the optical film to wrinkle, which may cause damage to the optical film. The optical properties have an adverse effect.

本揭露係有關於一種光學膜製程設備及從光學膜的表面移除液體的方法。實施例中，光學膜製程設備中，藉由導液裝置接觸光學膜的表面，且導液裝置的長度大於光學膜的寬度，使得液體自光學膜的表面沿導液裝置流向光學膜的兩側邊而導出光學膜，而可以有效地從光學膜的表面移除液體。 The present disclosure relates to an optical film process equipment and a method for removing liquid from the surface of an optical film. In the embodiment, in the optical film processing equipment, the liquid guide device contacts the surface of the optical film, and the length of the liquid guide device is greater than the width of the optical film, so that the liquid The surface of the optical film flows along the liquid guiding device to both sides of the optical film to lead out the optical film, and the liquid can be effectively removed from the surface of the optical film.

根據本揭露之一實施例，提出一種光學膜製程設備。光學膜製程設備包括一輸送系統、一噴液裝置以及一導液裝置。輸送系統用以承載並輸送一光學膜。噴液裝置噴灑液體至光學膜的表面上。導液裝置接觸光學膜的表面，導液裝置沿光學膜的寬度方向延伸而具有一長度，導液裝置的長度大於光學膜的寬度，液體自光學膜的表面沿導液裝置流向光學膜的兩側邊而導出光學膜。 According to an embodiment of the present disclosure, an optical film processing device is proposed. The optical film process equipment includes a conveying system, a liquid spraying device and a liquid guiding device. The conveying system is used to carry and convey an optical film. The liquid spraying device sprays liquid onto the surface of the optical film. The liquid guiding device contacts the surface of the optical film. The liquid guiding device extends along the width of the optical film to have a length. The length of the liquid guiding device is greater than the width of the optical film. The liquid flows from the surface of the optical film along the liquid guiding device to the two sides of the optical film. The optical film is led out from the side.

根據本揭露之另一實施例，提出一種從光學膜的表面移除液體的方法。從光學膜的表面移除液體的方法包括以下步驟：提供一光學膜製程設備，包括一輸送系統、一噴液裝置、一導液裝置、以及一乾燥室；使一光學膜藉由輸送系統沿著一輸送方向依序經過噴液裝置、導液裝置、以及乾燥室；以噴液裝置噴灑一液體至光學膜的一表面上；以及以導液裝置接觸光學膜的表面，其中導液裝置沿光學膜的一寬度方向延伸而具有一長度，導液裝置的長度大於光學膜的一寬度，液體自光學膜的表面沿導液裝置流向光學膜的兩側邊而導出光學膜。 According to another embodiment of the present disclosure, a method for removing liquid from the surface of an optical film is proposed. The method for removing liquid from the surface of the optical film includes the following steps: providing an optical film process equipment, including a conveying system, a liquid spraying device, a liquid guiding device, and a drying chamber; making an optical film pass along the conveying system Pass a liquid spraying device, a liquid guiding device, and a drying chamber in sequence in a conveying direction; spray a liquid on a surface of the optical film with the liquid spraying device; and contact the surface of the optical film with the liquid guiding device, wherein the liquid guiding device is along The width of the optical film extends to have a length. The length of the liquid guiding device is greater than the width of the optical film. The liquid flows from the surface of the optical film along the liquid guiding device to both sides of the optical film to lead out the optical film.

為了對本發明之上述及其他方面有更佳的瞭解，下文特舉實施例，並配合所附圖式詳細說明如下： In order to have a better understanding of the above and other aspects of the present invention, the following examples are specifically described in conjunction with the accompanying drawings as follows:

1、2、3:光學膜製程設備 1, 2, 3: Optical film process equipment

10:輸送系統 10: Conveying system

10A、10B:滾輪 10A, 10B: roller

20:噴液裝置 20: Liquid spray device

30、31:導液裝置 30, 31: Liquid guide device

30A:端 30A: end

40:乾燥室 40: Drying room

50:製程浴槽 50: process bath

60:除液裝置 60: Liquid removal device

70、71、620、630:噴洗裝置 70, 71, 620, 630: spray washing device

81:吸水裝置 81: Water absorption device

83:噴氣裝置 83: Jet device

85:噴嘴 85: Nozzle

100:光學膜 100: optical film

100a:表面 100a: surface

100s:側邊 100s: side

310:開口 310: opening

320:管口 320: nozzle

610:壓輥組 610: Press roller group

611:第一輥輪 611: The first roller

613:第二輥輪 613: second roller

C1:中心線 C1: Centerline

D1:流動方向 D1: Flow direction

D2:方向 D2: direction

DR1:輸送方向 DR1: conveying direction

d1:外徑 d1: outer diameter

d2、d3:距離 d2, d3: distance

G:重力方向 G: direction of gravity

H1:弧高 H1: arc height

L1:長度 L1: Length

N:法線 N: normal

T1:管壁厚度 T1: Wall thickness

W1、W2:寬度 W1, W2: width

α:接觸面角度 α: contact surface angle

β:夾角 β: angle

第1圖繪示根據本揭露內容之一實施例之一種光學膜製程設備及採用此設備的光學膜製程示意圖。 FIG. 1 shows a schematic diagram of an optical film manufacturing apparatus and an optical film manufacturing process using the apparatus according to an embodiment of the disclosure.

第2圖繪示根據本揭露之一實施例之導液裝置之上視圖。 FIG. 2 shows a top view of the liquid guiding device according to an embodiment of the present disclosure.

第3圖繪示根據本揭露內容之另一實施例之一種光學膜製程設備及採用此設備的光學膜製程示意圖。 FIG. 3 shows a schematic diagram of an optical film manufacturing apparatus and an optical film manufacturing process using the apparatus according to another embodiment of the disclosure.

第4圖繪示根據本揭露之另一實施例之導液裝置之上視圖。 FIG. 4 shows a top view of a liquid guiding device according to another embodiment of the present disclosure.

第5圖繪示根據本揭露內容之又一實施例之一種光學膜製程設備及採用此設備的光學膜製程示意圖。 FIG. 5 shows a schematic diagram of an optical film manufacturing apparatus and an optical film manufacturing process using the apparatus according to another embodiment of the disclosure.

本揭露內容之實施例中，光學膜製程設備中，藉由導液裝置接觸光學膜的表面，且導液裝置的長度大於光學膜的寬度，使得液體自光學膜的表面沿導液裝置流向光學膜的兩側邊而導出光學膜，而可以有效地從光學膜的表面移除液體。 In the embodiment of the present disclosure, in the optical film manufacturing equipment, the liquid guide device contacts the surface of the optical film, and the length of the liquid guide device is greater than the width of the optical film, so that the liquid flows from the surface of the optical film along the liquid guide device to the optical Both sides of the film lead out the optical film, and the liquid can be effectively removed from the surface of the optical film.

以下係提出各種實施例進行詳細說明，實施例僅用以作為範例說明，並不會限縮本發明欲保護之範圍。在不同實施例與圖式之中，相同的元件，將以相同的元件符號加以表示。值得注意的是，這些特定的實施例，並非用以限定本發明。本發明仍可採用其他特徵、元件、方法及參數來加以實施。實施例的提出，僅係用以例示本發明的技術特徵，並非用以限定本發明的申請專利範圍。該技術領域中具有通常知識者，將可根據以下說明書的描述，在不脫離本發明的精神範圍內，作均等的修飾與變化。此外，實施例中之圖式係省略部份元件，以清楚顯示本發明之技術特點。 The following provides various embodiments for detailed description. The embodiments are only used as examples for illustration, and do not limit the scope of the present invention to be protected. In different embodiments and drawings, the same elements will be denoted by the same element symbols. It should be noted that these specific embodiments are not intended to limit the present invention. The present invention can still be implemented using other features, components, methods, and parameters. The embodiments are only used to illustrate the technical features of the present invention, and are not intended to limit the patent application scope of the present invention. Those with ordinary knowledge in this technical field will be able to follow the description of the following description without departing from the spirit of the invention Within the scope, make equal modifications and changes. In addition, the drawings in the embodiments omit some elements to clearly show the technical features of the present invention.

第1圖繪示根據本揭露內容之一實施例之一種光學膜製程設備及採用此設備的光學膜製程示意圖，第2圖繪示根據本揭露之一實施例之導液裝置之上視圖。本揭露內容中，光學膜100可為一單層或多層之光學膜，例如是偏光膜、相位差膜、增亮膜或保護膜；或者，光學膜100可為多層光學膜所形成之光學積層體，例如可包含偏光膜以及形成其上之保護膜；或者，光學膜100亦可包含對光學之增益、配向、補償、轉向、直交、擴散、保護、防黏、耐刮、抗眩、反射抑制、高折射率等有所助益的膜層。在本實施例中，光學膜100係一連續卷狀材料。 FIG. 1 shows a schematic diagram of an optical film manufacturing apparatus and an optical film manufacturing process using the apparatus according to an embodiment of the present disclosure. FIG. 2 shows a top view of a liquid guiding device according to an embodiment of the present disclosure. In the present disclosure, the optical film 100 may be a single-layer or multi-layer optical film, such as a polarizing film, a retardation film, a brightness enhancement film, or a protective film; or, the optical film 100 may be an optical build-up layer formed by a multi-layer optical film The body, for example, may include a polarizing film and a protective film formed thereon; or, the optical film 100 may also include optical gain, alignment, compensation, steering, orthogonal, diffusion, protection, anti-sticking, scratch resistance, anti-glare, reflection Suppression, high refractive index and other helpful layers. In this embodiment, the optical film 100 is a continuous roll of material.

一些實施例中，光學膜100例如是偏光膜，偏光膜的材料可為聚乙烯醇(PVA)樹脂膜，其可藉由皂化聚醋酸乙烯樹脂製得。聚醋酸乙烯樹脂的例子包括醋酸乙烯之單聚合物，即聚醋酸乙烯，以及醋酸乙烯之共聚合物和其他能與醋酸乙烯進行共聚合之單體。 In some embodiments, the optical film 100 is, for example, a polarizing film, and the material of the polarizing film may be a polyvinyl alcohol (PVA) resin film, which may be made by saponified polyvinyl acetate resin. Examples of polyvinyl acetate resins include single polymers of vinyl acetate, that is, polyvinyl acetate, and copolymers of vinyl acetate and other monomers that can be copolymerized with vinyl acetate.

一些實施例中，光學膜100例如是保護膜，保護膜可為單層或多層之結構。保護膜之材料可例如是透明性、機械強度、熱穩定性、水分阻隔性等優良之熱可塑性樹脂。熱可塑性樹脂可包括纖維素樹脂(例如：三醋酸纖維素(Triacetate Cellulose，TAC)、二醋酸纖維素(Diacetate Cellulose，DAC))、丙烯酸樹脂(例如：聚甲基丙烯酸甲酯(Poly(methyl methacrylate)，PMMA)、聚酯樹脂(例如，聚對苯二甲酸乙二酯(Polyethylene Terephthalate，PET)、聚萘二甲酸乙二酯)、烯烴樹脂、聚碳酸酯樹脂、環烯烴樹脂、定向拉伸性聚丙烯(Oriented-Polypropylene，OPP)、聚乙烯(Polyethylene，PE)、聚丙烯(Polypropylene，PP)、環烯烴聚合物(Cyclic Olefin Polymer，COP)、環烯烴共聚合物(Cyclic Olefin Copolymer，COC)、或上述之任意組合。除此之外，保護膜之材料還可例如是(甲基)丙烯酸系、胺基甲酸酯系、丙烯酸胺基甲酸酯系、環氧系、聚矽氧系等熱硬化性樹脂或紫外線硬化型樹脂。此外，亦可進一步對上述保護膜實行表面處理，例如，抗眩光處理、抗反射處理、硬塗處理、帶電防止處理或抗污處理等。 In some embodiments, the optical film 100 is, for example, a protective film, and the protective film may be a single-layer or multi-layer structure. The material of the protective film may be, for example, a thermoplastic resin excellent in transparency, mechanical strength, thermal stability, moisture barrier properties, and the like. Thermoplastic resins may include cellulose resins (for example: Triacetate Cellulose (TAC), diacetate Cellulose (DAC)), acrylic resins (for example: Poly (methyl methacrylate) ), PMMA), polyester resin (for example, polyethylene terephthalate (PET), polyethylene naphthalate Ester), olefin resin, polycarbonate resin, cycloolefin resin, oriented stretched polypropylene (Oriented-Polypropylene, OPP), polyethylene (Polyethylene, PE), polypropylene (Polypropylene, PP), cycloolefin polymer ( Cyclic Olefin Polymer (COP), Cyclic Olefin Copolymer (COC), or any combination thereof. In addition, the material of the protective film may be, for example, thermosetting resin such as (meth)acrylic system, urethane system, acrylic urethane system, epoxy system, polysiloxane system, or ultraviolet light. Hardened resin. In addition, the protective film may be further subjected to surface treatment, for example, anti-glare treatment, anti-reflection treatment, hard coating treatment, electrification prevention treatment, anti-fouling treatment, or the like.

實施例中，如第1圖所示，光學膜製程設備1可包括一輸送系統10、一噴液裝置20、一導液裝置30、以及一乾燥室40。輸送系統10包含至少一滾輪，用以承載並輸送光學膜100。噴液裝置20噴灑一液體至光學膜100的表面100a上。導液裝置30接觸光學膜100的表面100a。 In the embodiment, as shown in FIG. 1, the optical film processing apparatus 1 may include a conveying system 10, a liquid spraying device 20, a liquid guiding device 30, and a drying chamber 40. The conveying system 10 includes at least one roller for carrying and conveying the optical film 100. The liquid spraying device 20 sprays a liquid onto the surface 100 a of the optical film 100. The liquid guiding device 30 contacts the surface 100 a of the optical film 100.

一些實施例中，如第1圖所示，光學膜製程設備更可包括一製程浴槽50和一除液裝置60。製程浴槽50可為光學膜100的製程中所需之液體槽，例如皂化槽、膨潤槽、染色槽、交聯槽或洗淨槽等。在第1圖所示的實施例中，光學膜100藉由輸送系統10沿輸送方向DR1依序經過製程浴槽50、噴液裝置20、導液裝置30、除液裝置60以及乾燥室40。在一實施例中，光學膜100可藉由輸送系統10的導引經過至少一個製程浴槽50，於其中進行染色交聯製程、表面處理製程或水洗製程。 In some embodiments, as shown in FIG. 1, the optical film processing apparatus may further include a process bath 50 and a liquid removal device 60. The process bath 50 may be a liquid bath required in the process of the optical film 100, such as a saponification bath, a swelling bath, a dyeing bath, a cross-linking bath, or a washing bath. In the embodiment shown in FIG. 1, the optical film 100 passes through the process bath 50, the liquid spraying device 20, the liquid guiding device 30, the liquid removing device 60, and the drying chamber 40 in sequence in the transport direction DR1 by the transport system 10. In one embodiment, the optical film 100 can be guided through the delivery system 10 through at least one process bath 50, in which a dyeing cross-linking process, a surface treatment process, or a water washing process is performed.

一實施例中，光學膜100例如是經染色處理(例如：加入碘或二色性染料等)之聚乙烯醇(Polyvinyl Alcohol，PVA)膜，製程浴槽50例如是水洗製程浴槽，光學膜100可在其中進行水洗製程，以除去從先前的製程浴槽中所附著之處理液，例如為澎潤槽、染色槽、及/或延伸槽之處理液。 In one embodiment, the optical film 100 is, for example, a polyvinyl alcohol (Polyvinyl Alcohol, PVA) film that has been dyed (eg, iodine or dichroic dyes, etc.). The process bath 50 is, for example, a water-washing process bath. The optical film 100 may A water washing process is performed therein to remove the treatment liquid adhering from the bath in the previous process, such as the treatment liquid of the wetting tank, the dyeing tank, and/or the extension tank.

實施例中，噴液裝置20噴灑一液體至光學膜100的表面100a用以調整光學膜100的光學特性，及/或去除光學膜100表面100a所殘留的液體，殘留的液體例如是處理液，處理液例如是染料、微量元素硼、碘、鉀、硫或用於皂化之鹼性液體等，及/或水洗液。如第1圖所示，實施例中，光學膜製程設備1可包括三個噴液裝置20，噴液裝置20噴灑水，三個噴液裝置20分別設置於不同的位置且具有不同的水溫，經由適當的設置的位置與水溫之搭配設計，而可以使得光學膜100的全幅寬色相較為均勻。 In the embodiment, the liquid spraying device 20 sprays a liquid on the surface 100a of the optical film 100 to adjust the optical characteristics of the optical film 100 and/or remove the liquid remaining on the surface 100a of the optical film 100, for example, the treatment liquid, The treatment liquid is, for example, dye, trace elements boron, iodine, potassium, sulfur, or alkaline liquid for saponification, etc., and/or water washing liquid. As shown in FIG. 1, in the embodiment, the optical film processing apparatus 1 may include three liquid spraying devices 20 that spray water, and the three liquid spraying devices 20 are respectively disposed at different positions and have different water temperatures Through the appropriate design of the location and the water temperature, it can make the full-width hue of the optical film 100 more uniform.

如第2圖所示(第2圖是沿大約垂直於光學膜100的表面100a之方向所呈現的上視圖)，實施例中，導液裝置30沿光學膜100的一寬度方向延伸而具有一長度L1，導液裝置30的長度L1大於光學膜100的一寬度W1，藉由導液裝置30接觸光學膜100的表面100a，使得液體自光學膜100的表面100a沿導液裝置30流向光學膜100的兩側邊100s而導出光學膜100，而可以有效地從光學膜100的表面100a移除液體。實施例中，如第2圖所示，液體沿著流動方向D1而先接觸導液裝置30的弧凸部分並接著往導液裝置30的兩端30A流動。 As shown in FIG. 2 (FIG. 2 is a top view taken approximately perpendicular to the surface 100a of the optical film 100), in the embodiment, the liquid guiding device 30 extends along a width direction of the optical film 100 and has a Length L1, the length L1 of the liquid guiding device 30 is greater than a width W1 of the optical film 100, the liquid guiding device 30 contacts the surface 100a of the optical film 100, so that the liquid flows from the surface 100a of the optical film 100 along the liquid guiding device 30 to the optical film The optical film 100 is led out on both sides 100s of the 100, and the liquid can be effectively removed from the surface 100a of the optical film 100. In the embodiment, as shown in FIG. 2, the liquid first contacts the arc convex portion of the liquid guiding device 30 along the flow direction D1 and then flows toward both ends 30A of the liquid guiding device 30.

實施例中，除液裝置60用以進一步去除光學膜100的表面100a上所殘留的液體，及/或光學膜100掉落的異物。如第1圖所示，實施例中，除液裝置60可包括一壓輥組610和噴洗裝置620、630，壓輥組610包括相對配置的第一輥輪611和第二輥輪613，用以使光學膜100通過第一輥輪611和第二輥輪613之間受到擠壓以進行除液，噴洗裝置620和噴洗裝置630分別相鄰於第一輥輪611和第二輥輪613設置，且分別噴灑清洗液例如是水，用來清洗第一輥輪611和第二輥輪613的表面上的異物及殘留液體。 In the embodiment, the liquid removal device 60 is used to further remove the liquid remaining on the surface 100 a of the optical film 100 and/or the foreign matter dropped by the optical film 100. As shown in FIG. 1, in the embodiment, the liquid removing device 60 may include a pressing roller group 610 and spray washing devices 620, 630. The pressing roller group 610 includes a first roller 611 and a second roller 613 that are oppositely arranged. To squeeze the optical film 100 between the first roller 611 and the second roller 613 for liquid removal, the spray device 620 and the spray device 630 are adjacent to the first roller 611 and the second roller, respectively The wheel 613 is provided, and sprayed with a cleaning liquid such as water, respectively, for cleaning foreign substances and residual liquid on the surfaces of the first roller 611 and the second roller 613.

實施例中，乾燥室40用以乾燥經去除液體，例如是處理液及/或水洗液後的光學膜100。一些實施例中，乾燥室40例如是一烘箱，但不以此為限。 In the embodiment, the drying chamber 40 is used to dry the optical film 100 after the removed liquid, for example, the processing liquid and/or the washing liquid. In some embodiments, the drying chamber 40 is, for example, an oven, but it is not limited thereto.

實施例中，如第2圖所示，導液裝置30和光學膜100的表面100a之接觸面橫跨光學膜100的整個寬度W1，且導液裝置30的兩端30A分別突出光學膜100的兩側邊100s，如此一來，導液裝置30完全阻斷液體流動的路徑，可以確保液體沿著導液裝置30流向兩端30A後才流出光學膜100的兩側邊100s，而可以有效地從光學膜100的表面100a移除液體。 In the embodiment, as shown in FIG. 2, the contact surface of the liquid guiding device 30 and the surface 100 a of the optical film 100 spans the entire width W1 of the optical film 100, and both ends 30A of the liquid guiding device 30 protrude from the optical film 100 100s on both sides, so that the liquid guiding device 30 completely blocks the path of the liquid flow, which can ensure that the liquid flows along the liquid guiding device 30 to both ends 30A before flowing out of the two sides 100s of the optical film 100, which can effectively The liquid is removed from the surface 100a of the optical film 100.

實施例中，如第2圖所示，導液裝置30具有一弧高H1，導液裝置30的弧高H1相對於長度L1之比例(H1/L1)例如是0.004~0.025。一些實施例中，導液裝置30的弧高H1例如是5~100毫米，較佳的為15~00毫米，弧高H1可使液體由高處向低處流動，因而達成較好的導液目的。導液裝置30的長度L1範圍可為1000~5000毫米，例如可為3600毫米。 In the embodiment, as shown in FIG. 2, the liquid guiding device 30 has an arc height H1, and the ratio of the arc height H1 of the liquid guiding device 30 to the length L1 (H1/L1) is, for example, 0.004 to 0.025. In some embodiments, the arc height H1 of the liquid guiding device 30 is, for example, 5-100 mm, preferably 15-00 mm, and the arc height H1 can cause the liquid to flow from a high place to a low place, so Achieve a better fluid conduction purpose. The length L1 of the liquid guiding device 30 may range from 1000 to 5000 mm, for example, 3600 mm.

實施例中，如第1~2圖所示，導液裝置30的外徑d1例如是100~150微米。 In the embodiment, as shown in FIGS. 1 to 2, the outer diameter d1 of the liquid guiding device 30 is, for example, 100 to 150 microns.

實施例中，導液裝置30的材質例如是金屬。實施例中，導液裝置30不轉動，而是設置於固定位置且接觸持續輸送移動的光學膜100，因此金屬材質的導液裝置30具有較為平滑的接觸表面，可以減少對光學膜100的可能損傷。舉例而言，導液裝置30的材質例如是不銹鋼或鈦合金，不銹鋼例如是SUS304、SUS304L、SUS309、SUS309S、SUS310S、SUS311、SUS314、SUS321、SUS345、SUS348、SUS403、SUS410、SUS405、SUS406、SUS410、SUS414、SUS430、SUS330F、SUS431、SUS440A~C、SUS442、SUS443、SUS446、SUS447JI、SUS630、SUS JIS 35、SUS XM 27、SHOMAC30-2、SEA-CURE、HR-8N、SUS 316、SUS 316L、SUS 317、SUS 317L、SUS 316J1、SUS 316J2、CARPENTER 20或MONIT。 In the embodiment, the material of the liquid guiding device 30 is, for example, metal. In the embodiment, the liquid guiding device 30 does not rotate, but is set at a fixed position and contacts the continuously moving optical film 100. Therefore, the metal liquid guiding device 30 has a smoother contact surface, which can reduce the possibility of the optical film 100 damage. For example, the material of the liquid guiding device 30 is, for example, stainless steel or titanium alloy, and the stainless steel is, for example, SUS304, SUS304L, SUS309, SUS309S, SUS310S, SUS311, SUS314, SUS321, SUS345, SUS348, SUS403, SUS410, SUS405, SUS406, SUS410, SUS414, SUS430, SUS330F, SUS431, SUS440A~C, SUS442, SUS443, SUS446, SUS447JI, SUS630, SUS JIS 35, SUS XM 27, SHOMAC30-2, SEA-CURE, HR-8N, SUS 316, SUS 316L, SUS 317 , SUS 317L, SUS 316J1, SUS 316J2, CARPENTER 20 or MONIT.

一些實施例中，如第1圖所示，導液裝置30不僅接觸光學膜100的表面100a，並且更往垂直於表面100a的方向D2推進約1~5公分(10~50毫米)，使得導液裝置30和光學膜100的表面100a之間具有接觸面角度α，接觸面角度α例如是5~30度，而使得液體更加不容易從導液裝置30和光學膜100的表面100a接觸處穿過，而有助於提高藉由導液裝置30從光學膜100的表面100a移除液體的效果。 In some embodiments, as shown in FIG. 1, the liquid guiding device 30 not only contacts the surface 100a of the optical film 100, but also advances approximately 1 to 5 cm (10 to 50 mm) in a direction D2 perpendicular to the surface 100a, so that There is a contact surface angle α between the liquid device 30 and the surface 100a of the optical film 100, and the contact surface angle α is, for example, 5 to 30 degrees, so that the liquid is less likely to pass from the contact point of the liquid guiding device 30 and the surface 100a of the optical film 100 However, it helps to improve the effect of removing liquid from the surface 100a of the optical film 100 by the liquid guiding device 30.

實施例中，如第1圖所示，光學膜製程設備1的輸送系統10可包括多個滾輪，例如是如第1圖所示的滾輪10A和滾輪10B，以重力方向G為空間上的向下方向，滾輪10A位於滾輪10B的下方，噴液裝置20噴灑的液體會從滾輪10B沿光學膜100的表面100a往滾輪10A流動，而藉由導液裝置30的設計，可以使液體沿著導液裝置30流向兩端30A後流出光學膜100的兩側邊100s，而可以有效地從光學膜100的表面100a移除液體，進而可以避免液體不當地累積在滾輪10A處而對光學膜100的光學性質產生不良影響。 In the embodiment, as shown in FIG. 1, the conveying system 10 of the optical film processing apparatus 1 may include a plurality of rollers, such as the roller 10A and the roller 10B shown in FIG. 1, with the gravity direction G as the spatial direction In the downward direction, the roller 10A is located below the roller 10B. The liquid sprayed by the liquid spraying device 20 will flow from the roller 10B along the surface 100a of the optical film 100 to the roller 10A, and the design of the liquid guiding device 30 can make the liquid along the guide The liquid device 30 flows to both ends 30A and flows out of the two sides 100s of the optical film 100, which can effectively remove the liquid from the surface 100a of the optical film 100, thereby preventing the liquid from improperly accumulating on the roller 10A and affecting the optical film 100. The optical properties have an adverse effect.

以下表1列出一些實施例之導液裝置30的尺寸設計(外徑d1)搭配導液裝置30接觸光學膜100後再推進的距離(觸膜再進距離)及對應得到的接觸面角度α之數據，實施例1~4中，導液裝置30位於滾輪10A和滾輪10B之間，且滾輪10A和滾輪10B之間的距離約為150公分。 Table 1 below lists the size design (outer diameter d1) of the liquid guiding device 30 of some embodiments with the distance of the liquid guiding device 30 contacting the optical film 100 (the film reentry distance) and the corresponding contact surface angle α According to the data, in Examples 1-4, the liquid guiding device 30 is located between the roller 10A and the roller 10B, and the distance between the roller 10A and the roller 10B is about 150 cm.

實施例中，如第1圖所示，光學膜製程設備1的輸送系統10可更包括另一個導液裝置31，導液裝置31的設計基本上與導液裝置 30相同，在此不再贅述。如第1圖所示，噴洗裝置630所噴灑的液體很可能會往下流向滾輪10A處，而導液裝置31設置在噴洗裝置630和滾輪10A之間且接觸光學膜100的表面100a，可以有效地藉由導液裝置31從光學膜100的表面100a移除液體，進而可以避免來自噴洗裝置630的液體不當地累積在滾輪10A處。 In the embodiment, as shown in FIG. 1, the delivery system 10 of the optical film processing apparatus 1 may further include another liquid guiding device 31, and the design of the liquid guiding device 31 is basically the same as that of the liquid guiding device. 30 is the same and will not be repeated here. As shown in FIG. 1, the liquid sprayed by the spray device 630 is likely to flow down to the roller 10A, and the liquid guide device 31 is disposed between the spray device 630 and the roller 10A and contacts the surface 100a of the optical film 100, The liquid can be effectively removed from the surface 100 a of the optical film 100 by the liquid guiding device 31, and thus the liquid from the spray washing device 630 can be prevented from being unduly accumulated at the roller 10A.

實施例中，如第1圖所示，光學膜製程設備1的輸送系統10可更包括多個噴洗裝置，例如噴洗裝置70用以清洗滾輪10B上的異物，噴洗裝置71用以清洗光學膜100。 In the embodiment, as shown in FIG. 1, the conveying system 10 of the optical film processing apparatus 1 may further include a plurality of spray washing devices, such as a spray washing device 70 for cleaning foreign objects on the roller 10B, and a spray washing device 71 for cleaning Optical film 100.

第3圖繪示根據本揭露內容之另一實施例之一種光學膜製程設備及採用此設備的光學膜製程示意圖，第4圖繪示根據本揭露之另一實施例之導液裝置之上視圖。本實施例中與前述實施例相同或相似之元件係沿用同樣或相似的元件標號，且相同或相似元件之相關說明請參考前述，在此不再贅述。 FIG. 3 shows a schematic diagram of an optical film manufacturing apparatus and an optical film manufacturing process using the apparatus according to another embodiment of the disclosure, and FIG. 4 illustrates a top view of a liquid guide device according to another embodiment of the disclosure . In this embodiment, the same or similar elements as those in the previous embodiment are marked with the same or similar elements, and the related descriptions of the same or similar elements refer to the foregoing, and will not be repeated here.

如第3~4圖所示，光學膜製程設備2中，導液裝置30例如是一弧狀導液桿，弧狀導液桿的側壁具有一開口310，開口310連通至弧狀導液桿(導液裝置30)的兩端的兩個管口320，光學膜100的表面100a上的液體從開口310流入弧狀導液桿(導液裝置30)內而從兩個管口320導出光學膜100。 As shown in FIGS. 3-4, in the optical film processing apparatus 2, the liquid guiding device 30 is, for example, an arc-shaped liquid guiding rod, and the side wall of the arc-shaped liquid guiding rod has an opening 310, and the opening 310 communicates with the arc-shaped liquid guiding rod The two orifices 320 at both ends of the (liquid guiding device 30), and the liquid on the surface 100a of the optical film 100 flows into the arc-shaped liquid guiding rod (liquid guiding device 30) from the opening 310 and leads the optical film from the two orifices 320 100.

根據本揭露內容之實施例，導液裝置30之導液管的結構設計可以具有更大的液體容納量，因此可以有效防止液體從導液裝置30上方直接溢流至導液裝置30另一側的光學膜100之表面100a上，而能夠更佳地提高藉由導液裝置30從光學膜100的表面100a移除液體的效果。 According to the embodiment of the present disclosure, the structure of the liquid guide tube of the liquid guide device 30 can have a larger liquid holding capacity, so it can effectively prevent the liquid from directly overflowing from above the liquid guide device 30 to the other side of the liquid guide device 30 On the surface 100a of the optical film 100, and The effect of removing liquid from the surface 100a of the optical film 100 by the liquid guiding device 30 can be improved more.

一些實施例中，如第3~4圖所示，弧狀導液桿(導液裝置30)的外徑d1例如是100~150微米。一些實施例中，如第3~4圖所示，弧狀導液桿(導液裝置30)的管壁厚度T1例如是7~14毫米。 In some embodiments, as shown in FIGS. 3 to 4, the outer diameter d1 of the arcuate liquid guiding rod (liquid guiding device 30) is, for example, 100 to 150 microns. In some embodiments, as shown in FIGS. 3 to 4, the wall thickness T1 of the arcuate liquid guiding rod (liquid guiding device 30) is, for example, 7 to 14 mm.

一些實施例中，如第3圖所示，開口310的一寬度W2相對於弧狀導液桿的外徑圓周長之比例範圍為10%~30%，較佳的比例範圍為16%~22%。一些實施例中，弧狀導液桿(導液裝置30)的剖面實質上近似圓形，開口310的寬度W2的範圍相當於弧狀導液桿的外徑圓周的約30~60度。 In some embodiments, as shown in FIG. 3, the ratio of a width W2 of the opening 310 to the outer diameter and circumference of the arcuate catheter is 10% to 30%, and the preferred ratio is 16% to 22 %. In some embodiments, the cross section of the arc-shaped liquid guide rod (liquid guide device 30) is substantially circular, and the width W2 of the opening 310 corresponds to about 30-60 degrees of the outer diameter circumference of the arc-shaped liquid guide rod.

一些實施例中，如第3圖所示，開口310面向液體流來的方向，且弧狀導液桿(導液裝置30)的管壁和光學膜100的表面100a的法線N相交，使得開口310實質上位於法線N之面向液體流來的方向之一側，如此一來，可以避免開口310過大而導致液體從開口310的邊緣直接往外溢流的現象，而可以將液體最大量地容置於弧狀導液桿(導液裝置30)內部、且將液體從兩個管口320導出，進而有效地提高藉由導液裝置30從光學膜100的表面100a移除液體的效果。 In some embodiments, as shown in FIG. 3, the opening 310 faces the direction of liquid flow, and the wall of the arcuate liquid guide rod (the liquid guide device 30) and the normal N of the surface 100a of the optical film 100 intersect, so that The opening 310 is substantially located on one side of the normal line N facing the direction of liquid flow. In this way, the phenomenon that the opening 310 is too large and causes the liquid to overflow directly from the edge of the opening 310 can be avoided, and the liquid can be maximized It is accommodated inside the arc-shaped liquid guiding rod (liquid guiding device 30) and leads the liquid out of the two nozzles 320, thereby effectively improving the effect of removing liquid from the surface 100a of the optical film 100 by the liquid guiding device 30.

一些實施例中，如第3圖所示，開口310的邊緣與光學膜100的表面100a至少相隔一距離d2，此距離d2大約等於或大於1公分，使得開口310的邊緣不會接觸到光學膜100的表面100a，而可以避免開口310的邊緣之不平整的構造對持續輸送移動的光學膜100造成損傷。 In some embodiments, as shown in FIG. 3, the edge of the opening 310 is separated from the surface 100a of the optical film 100 by at least a distance d2, the distance d2 is approximately equal to or greater than 1 cm, so that the edge of the opening 310 does not contact the optical film The surface 100a of the surface 100 can prevent the uneven structure of the edge of the opening 310 from damaging the continuously moving optical film 100.

第5圖繪示根據本揭露內容之又一實施例之一種光學膜製程設備及採用此設備的光學膜製程示意圖。本實施例中與前述實施例相同或相似之元件係沿用同樣或相似的元件標號，且相同或相似元件之相關說明請參考前述，在此不再贅述。 FIG. 5 shows a schematic diagram of an optical film manufacturing apparatus and an optical film manufacturing process using the apparatus according to another embodiment of the disclosure. In this embodiment, the same or similar elements as those in the previous embodiment are marked with the same or similar elements, and the related descriptions of the same or similar elements refer to the foregoing, and will not be repeated here.

如第5圖所示，實施例中，光學膜製程設備3可更包括一吸水裝置81，導液裝置30位於噴液裝置20和吸水裝置81之間，吸水裝置81用以吸取光學膜100的表面100a上的液體。實施例中，如第5圖所示，光學膜製程設備3可更包括兩個吸水裝置81，分別設置於較易累積液體的滾輪10A的兩側。 As shown in FIG. 5, in the embodiment, the optical film processing apparatus 3 may further include a water absorbing device 81, and the liquid guiding device 30 is located between the liquid spraying device 20 and the water absorbing device 81. The water absorbing device 81 is used to absorb the optical film 100. Liquid on the surface 100a. In the embodiment, as shown in FIG. 5, the optical film processing apparatus 3 may further include two water absorbing devices 81, which are respectively disposed on both sides of the roller 10A that is easier to accumulate liquid.

如第5圖所示，實施例中，光學膜製程設備3可更包括一噴氣裝置83，導液裝置30位於噴液裝置20和噴氣裝置83之間，噴氣裝置83用以對光學膜100的表面100a噴氣以除去液體。 As shown in FIG. 5, in the embodiment, the optical film processing apparatus 3 may further include a gas jet device 83, and the liquid guiding device 30 is located between the liquid jet device 20 and the gas jet device 83. The gas jet device 83 is used to The surface 100a is jetted to remove liquid.

一些實施例中，如第5圖所示，噴氣裝置83和光學膜100表面100a之間的距離d3可為5毫米(mm)~30毫米(mm)。一些實施例中，噴氣裝置83具有一噴嘴85，噴嘴85的出口的中心線C1往滾輪的方向延伸且與光學膜100表面100a的夾角β為5~100度，較佳的為30~60度，噴氣裝置83的風量可為2~30立方公尺(m³)/分鐘(min)，較佳的為5~20立方公尺/分鐘。 In some embodiments, as shown in FIG. 5, the distance d3 between the air-jet device 83 and the surface 100 a of the optical film 100 may be 5 millimeters (mm) to 30 millimeters (mm). In some embodiments, the air-jet device 83 has a nozzle 85, and the center line C1 of the outlet of the nozzle 85 extends in the direction of the roller and the angle β with the surface 100a of the optical film 100 is 5 to 100 degrees, preferably 30 to 60 degrees The air volume of the jet device 83 may be 2-30 cubic meters (m ³ )/minute (min), preferably 5-20 cubic meters/minute.

綜上所述，雖然本發明已以實施例揭露如上，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內，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。 In summary, although the present invention has been disclosed as above with examples, it is not intended to limit the present invention. Those with ordinary knowledge in the technical field to which the present invention belongs can make various modifications and retouching without departing from the spirit and scope of the present invention. Therefore, the scope of protection of the present invention shall be deemed as defined by the scope of the attached patent application.

1:光學膜製程設備 1: Optical film process equipment

10:輸送系統 10: Conveying system

10A、10B:滾輪 10A, 10B: roller

20:噴液裝置 20: Liquid spray device

30、31:導液裝置 30, 31: Liquid guide device

40:乾燥室 40: Drying room

50:製程浴槽 50: process bath

60:除液裝置 60: Liquid removal device

70、71、620、630:噴洗裝置 70, 71, 620, 630: spray washing device

100:光學膜 100: optical film

100a:表面 100a: surface

610:壓輥組 610: Press roller group

611:第一輥輪 611: The first roller

613:第二輥輪 613: second roller

D1:流動方向 D1: Flow direction

D2:方向 D2: direction

DR1:輸送方向 DR1: conveying direction

d1:外徑 d1: outer diameter

G:重力方向 G: direction of gravity

α:接觸面角度 α: contact surface angle

Claims

一種光學膜製程設備，包括：一輸送系統，用以承載並輸送一光學膜；一噴液裝置，噴灑一液體至該光學膜的一表面上；以及一導液裝置，接觸該光學膜的該表面，其中該導液裝置具有一弧高，該導液裝置沿該光學膜的一寬度方向延伸而具有一長度，該導液裝置的該長度大於該光學膜的一寬度，且該導液裝置接觸該光學膜的該表面且往垂直該表面的方向推進，而在該導液裝置與該光學膜之間具有一接觸面角度，該接觸面角度為5~30度，該液體自該光學膜的該表面沿該導液裝置流向該光學膜的兩側邊而導出該光學膜。 An optical film process equipment includes: a conveying system for carrying and conveying an optical film; a liquid spraying device that sprays a liquid onto a surface of the optical film; and a liquid guiding device that contacts the optical film Surface, wherein the liquid guiding device has an arc height, the liquid guiding device extends along a width direction of the optical film and has a length, the length of the liquid guiding device is greater than a width of the optical film, and the liquid guiding device Contacting the surface of the optical film and advancing in a direction perpendicular to the surface, and there is a contact surface angle between the liquid guiding device and the optical film, the contact surface angle is 5 to 30 degrees, and the liquid is from the optical film The surface of the liquid flows along the liquid guiding device to both sides of the optical film to lead out the optical film.

如申請專利範圍第1項所述之光學膜製程設備，其中該導液裝置的兩端分別突出該光學膜的該兩側邊。 The optical film process equipment as described in item 1 of the patent application scope, wherein both ends of the liquid guiding device respectively protrude from the two sides of the optical film.

如申請專利範圍第1項所述之光學膜製程設備，其中該導液裝置的該弧高相對於該長度之比例係為0.004~0.025，及/或該弧高係為5~100毫米；及/或該導液裝置的該長度為1000~5000毫米。 The optical film process equipment as described in item 1 of the patent application scope, wherein the ratio of the arc height of the liquid guiding device to the length is 0.004 to 0.025, and/or the arc height is 5 to 100 mm; and /Or the length of the liquid guiding device is 1000-5000 mm.

如申請專利範圍第1項所述之光學膜製程設備，其中該導液裝置係為一弧狀導液桿，該弧狀導液桿的側壁具有一開口，該開口連通至該弧狀導液桿的兩端的兩個管口，該液體自該光學膜的該表面從該開口流入該弧狀導液桿內而從該兩個管口導出該光學膜。 The optical film process equipment as described in item 1 of the patent application range, wherein the liquid guiding device is an arc-shaped liquid guiding rod, and the side wall of the arc-shaped liquid guiding rod has an opening which communicates with the arc-shaped liquid guiding At the two nozzles at both ends of the rod, the liquid flows into the arc-shaped liquid guide rod from the opening from the surface of the optical film from the opening to lead out the optical film from the two nozzles.

如申請專利範圍第4項所述之光學膜製程設備，其中該弧狀導液桿的外徑係為100~150微米，及/或該弧狀導液桿的管壁厚度係為7~14毫米。 The optical film process equipment as described in item 4 of the patent application scope, wherein the outer diameter of the arcuate guide rod is 100-150 microns, and/or the wall thickness of the arc-shaped guide rod is 7-14 Mm.

如申請專利範圍第4項所述之光學膜製程設備，其中該開口的一寬度相對於該弧狀導液桿的外徑圓周長之比例係為10%~30%；及/或該寬度相當於該弧狀導液桿的外徑圓周的30~60度。 The optical film process equipment as described in item 4 of the patent application range, wherein the ratio of a width of the opening to the outer circumference of the outer diameter of the arcuate guide rod is 10% to 30%; and/or the width is equivalent 30~60 degrees of the outer diameter circumference of the arc-shaped liquid guide rod.

如申請專利範圍第4項所述之光學膜製程設備，其中該弧狀導液桿的該開口面向該液體流來的方向，且該弧狀導液桿的一管壁與該光學膜的該表面的一法線相交。 The optical film process equipment as described in item 4 of the patent application range, wherein the opening of the arcuate guide rod faces the direction of the liquid flow, and a tube wall of the arcuate guide rod and the optical film A normal of the surface intersects.

如申請專利範圍第1項所述之光學膜製程設備，其中該導液裝置的材質選自不銹鋼或鈦合金組成的群組。 The optical film process equipment as described in item 1 of the patent application scope, wherein the material of the liquid guiding device is selected from the group consisting of stainless steel or titanium alloy.

如申請專利範圍第1項所述之光學膜製程設備，其中該導液裝置往垂直該表面的方向推進1~5公分。 The optical film process equipment as described in item 1 of the patent application scope, wherein the liquid guiding device is advanced by 1 to 5 cm in a direction perpendicular to the surface.

如申請專利範圍第1項所述之光學膜製程設備，更包括：一吸水裝置，該導液裝置位於該噴液裝置和該吸水裝置之間，該吸水裝置用以吸取該光學膜的該表面上的該液體；及/或一噴氣裝置，該導液裝置位於該噴液裝置和該噴氣裝置之間，該噴氣裝置用以對該光學膜的該表面噴氣以除去該液體。 The optical film process equipment as described in item 1 of the patent application scope further includes: a water absorption device, the liquid guiding device is located between the liquid spraying device and the water absorption device, the water absorption device is used to absorb the surface of the optical film The liquid on the surface; and/or a gas jet device, the liquid guiding device is located between the liquid jet device and the gas jet device, the gas jet device is used to jet the surface of the optical film to remove the liquid.

如申請專利範圍第10項所述之光學膜製程設備，其中該噴氣裝置距離該光學膜的該表面為5毫米~30毫米；及/或該噴氣裝置具有一噴嘴，該噴嘴出口的一中心線往該光學膜上的一滾輪的方向延伸，該中心線與該光學膜的該表面的一夾角為5~100度；及/或該噴氣裝置的風量為2~30立方公尺/分鐘。 The optical film process equipment as described in item 10 of the patent application range, wherein the air jet device is 5 mm to 30 mm from the surface of the optical film; and/or the air jet device has a nozzle, a center line of the nozzle outlet Extending in the direction of a roller on the optical film, an angle between the center line and the surface of the optical film is 5 to 100 degrees; and/or the air volume of the jet device is 2 to 30 cubic meters per minute.

一種用以從光學膜的表面移除液體的方法，包括：提供一光學膜製程設備，包括一輸送系統、一噴液裝置、一導液裝置、以及一乾燥室；使一光學膜藉由該輸送系統沿著一輸送方向依序經過該噴液裝置、該導液裝置、以及該乾燥室；以該噴液裝置噴灑一液體至該光學膜的一表面上；以及以該導液裝置接觸該光學膜的該表面，其中該導液裝置具有一弧高，該導液裝置沿該光學膜的一寬度方向延伸而具有一長度，該導液裝置的該長度大於該光學膜的一寬度，且該導液裝置接觸該光學膜的該表面且往垂直該表面的方向推進，而在該導液裝置與該光學膜之間具有一接觸面角度，該接觸面角度為5~30度，該液體自該光學膜的該表面沿該導液裝置流向該光學膜的兩側邊而導出該光學膜。 A method for removing liquid from the surface of an optical film includes: providing an optical film process equipment, including a conveying system, a liquid spraying device, a liquid guiding device, and a drying chamber; and passing an optical film through the The conveying system passes the liquid ejecting device, the liquid guiding device, and the drying chamber in sequence along a conveying direction; the liquid ejecting device sprays a liquid onto a surface of the optical film; and the liquid guiding device contacts the The surface of the optical film, wherein the liquid guiding device has an arc height, the liquid guiding device extends along a width direction of the optical film and has a length, and the length of the liquid guiding device is greater than a width of the optical film, and The liquid guiding device contacts the surface of the optical film and advances in a direction perpendicular to the surface, and there is a contact surface angle between the liquid guiding device and the optical film, the angle of the contact surface is 5-30 degrees, the liquid The optical film is led out from the surface of the optical film along the liquid guiding device to both sides of the optical film.

如申請專利範圍第12項所述之用以從光學膜的表面移除液體的方法，其中該導液裝置係為一弧狀導液桿，該弧狀導液桿的側壁具有一開口，該開口連通至該弧狀導液桿的兩端的兩個管口，該液體自該光學膜的該表面從該開口流入該弧狀導液桿內而從該兩個管口導出該光學膜。 The method for removing liquid from the surface of an optical film as described in item 12 of the patent application scope, wherein the liquid guiding device is an arc-shaped liquid guiding rod, and the side wall of the arc-shaped liquid guiding rod has an opening, the The opening communicates with the two At the two nozzles at the end, the liquid flows from the opening into the arcuate guide rod from the surface of the optical film and leads the optical film from the two nozzles.