TW201809745A - Anoptical film laminating apparatus and method - Google Patents
Anoptical film laminating apparatus and method Download PDFInfo
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- TW201809745A TW201809745A TW106107818A TW106107818A TW201809745A TW 201809745 A TW201809745 A TW 201809745A TW 106107818 A TW106107818 A TW 106107818A TW 106107818 A TW106107818 A TW 106107818A TW 201809745 A TW201809745 A TW 201809745A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/344—Stretching or tensioning the joint area during joining
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/78—Means for handling the parts to be joined, e.g. for making containers or hollow articles, e.g. means for handling sheets, plates, web-like materials, tubular articles, hollow articles or elements to be joined therewith; Means for discharging the joined articles from the joining apparatus
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
- B29C66/74—Joining plastics material to non-plastics material
- B29C66/746—Joining plastics material to non-plastics material to inorganic materials not provided for in groups B29C66/742 - B29C66/744
- B29C66/7465—Glass
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D11/00—Producing optical elements, e.g. lenses or prisms
- B29D11/0073—Optical laminates
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
- B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
- B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
- B32B17/10005—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing
- B32B17/1055—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin laminated safety glass or glazing characterized by the resin layer, i.e. interlayer
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/18—Handling of layers or the laminate
- B32B38/1875—Tensioning
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
Abstract
Description
本發明是關於光學膜貼合裝置，尤其可兼用不同寬度的光學膜。 The present invention relates to an optical film bonding device, and in particular, it can use optical films with different widths at the same time.
現在，以顯示器為代表的光學顯示裝置上，使用在玻璃基板貼合光學膜的光學顯示面板。為有效製造如上述的光學顯示面板，開發一種將作為光學膜的光學膜貼合於玻璃基板用的RTP(Roll to Panel)方式的光學膜貼合裝置。 At present, an optical display device such as a display uses an optical display panel in which an optical film is bonded to a glass substrate. In order to efficiently manufacture the above-mentioned optical display panel, an RTP (Roll to Panel) optical film bonding apparatus for bonding an optical film as an optical film to a glass substrate has been developed.
一般，上述光學膜貼合裝置具備藉複數搬運輥連續搬運光學膜的光學膜搬運路徑。進行貼合的場合，光學膜是以光學膜捲的形態裝設於光學膜搬運路徑的光學膜供應部。該光學膜捲是層疊帶狀的光學膜與載體膜捲繞成捲筒狀。從光學膜供應部送出層疊後的光學膜與載體膜。沿著光學膜路徑搬運至貼合部，層疊於載體膜上的光學膜在搬運至貼合部為止，殘留載體膜僅將光學膜裁斷成對應玻璃基板的長度。貼合部是將光學膜從載體膜剝離， 貼合於玻璃基板。隨後，將殘留的載體膜搬運至載體膜回收部進行回收。 Generally, the optical film bonding apparatus includes an optical film conveying path for continuously conveying an optical film by a plurality of conveying rollers. When bonding is performed, the optical film is mounted on the optical film supply section of the optical film transport path in the form of an optical film roll. This optical film roll is a roll-shaped optical film and a carrier film which are laminated | stacked. The laminated optical film and carrier film are sent from the optical film supply section. The optical film stacked on the carrier film is transported along the optical film path to the bonding section, and the optical film laminated on the carrier film is transported to the bonding section, and the remaining carrier film is only cut to the length corresponding to the glass substrate. The bonding part peels the optical film from the carrier film, Laminated on a glass substrate. Subsequently, the remaining carrier film is conveyed to a carrier film recovery unit for recovery.
上述帶狀的光學膜是與貼合其寬度的玻璃基板的長邊或短邊對應。以寬度與玻璃基板的長度對應的光學膜為長邊寬度的光學膜，並以寬度與玻璃基板的短邊對應的光學膜為短邊寬度的光學膜。 The strip-shaped optical film corresponds to a long side or a short side of a glass substrate to which the width is bonded. An optical film having a width corresponding to the length of the glass substrate is an optical film having a long side width, and an optical film having a width corresponding to the short side of the glass substrate is an optical film having a short side width.
並且，以光學膜作為光學膜使用的場合，光學膜包括：吸收軸為縱向(MD)的偏光膜，及吸收軸為橫向(TD)的偏光膜。上述的縱向和橫向是相對於帶狀的偏光膜。 When an optical film is used as the optical film, the optical film includes a polarizing film having an absorption axis in a longitudinal direction (MD) and a polarizing film having an absorption axis in a transverse direction (TD). The above-mentioned vertical and horizontal directions are relative to the strip-shaped polarizing film.
以往的光學膜貼合裝置中，例如專利文獻1表示，採用使用吸收軸為縱向的長邊寬度的光學膜對玻璃基板的一方的面進行第一次貼合，然後，將玻璃基板旋繞並翻轉，再使用吸收軸為縱向的短邊寬度的光學膜對玻璃基板的另一方的面進行第二次貼合。 In a conventional optical film bonding apparatus, for example, Patent Document 1 shows that one side of a glass substrate is bonded for the first time by using an optical film having an absorption axis with a longitudinal long side width, and then the glass substrate is wound and turned. Then, the other side of the glass substrate is bonded again using an optical film having an absorption axis having a longitudinal short side width.
另外，如專利文獻2所揭示，也存在採用使用吸收軸為縱向的長邊寬度的光學膜對玻璃基板的一方的面進行第一次貼合，然後，將玻璃基板翻轉，再使用吸收軸為橫向的長邊寬度的光學膜對玻璃基板的另一方的面進行第二次貼合。 In addition, as disclosed in Patent Document 2, there is also a case where an optical film having an absorption axis having a longitudinally long side width is used to attach one surface of a glass substrate for the first time, and then the glass substrate is inverted, and the absorption axis is used as The optical film with the long side width in the horizontal direction is bonded to the other surface of the glass substrate a second time.
[專利文獻1]日本特開2012-083690號公報 [Patent Document 1] Japanese Patent Application Publication No. 2012-083690
[專利文獻2]日本特開2009-276757號公報 [Patent Document 2] Japanese Patent Laid-Open No. 2009-276757
但是，上述光學膜貼合裝置僅採用單一的貼合方式，因此期待光學膜貼合裝置可對應各種的貼合方式。此要求的光學膜貼合裝置可兼用長邊寬度的光學膜及短邊寬度的光學膜。但是，在使用不同寬度的光學膜的場合，對光學膜的各搬運輥的負載不同，因此有對光學膜貼合裝置或光學膜造成不良影響之虞。 However, since the above-mentioned optical film bonding apparatus uses only a single bonding method, it is expected that the optical film bonding apparatus can support various bonding methods. The required optical film bonding device can use both an optical film with a long side width and an optical film with a short side width. However, when optical films with different widths are used, the load on each of the transporting rollers of the optical film is different, and therefore there is a risk of adversely affecting the optical film bonding apparatus or the optical film.
例如，為使用長邊寬度的光學膜捲，有使用搬運短邊寬度之光學膜捲的各搬運輥變長的必要。如此一來，在藉已變長的各搬運輥搬運短邊寬度的光學膜的場合，各搬運輥對光學膜的負載集中於搬運輥的中央，因此該搬運輥有產生彎曲的可能性。 For example, in order to use an optical film roll with a long side width, it is necessary to lengthen each of the conveying rollers that use the optical film roll with a short side width. In this way, when the optical film having a short side width is conveyed by the longer conveying rollers, the load of the optical film by each conveying roller is concentrated at the center of the conveying roller, so the conveying roller may be bent.
本發明是鑒於上述課題所研創而成，其目的為提供一種光學膜貼合裝置，可對應光學膜調整張力，以兼用不同寬度的光學膜。 The present invention has been developed in view of the above-mentioned problems, and an object thereof is to provide an optical film bonding device that can adjust the tension corresponding to the optical film so as to simultaneously use optical films with different widths.
本發明的光學膜貼合裝置是朝玻璃基板貼合光學膜來製造光學基板，其特徵為，具有： 搬運上述玻璃基板的玻璃基板搬運路徑；搬運上述光學膜的光學膜搬運路徑；及設置於上述玻璃基板搬運路徑與上述光學膜搬運路徑的中途，將上述光學膜貼合於上述玻璃基板的貼合部，上述光學膜搬運路徑，具有：供應上述光學膜的光學膜供應部，及設置在上述光學膜供應部與上述貼合部之間，對上述光學膜施加張力的張力部，在上述張力部設有調整上述張力的張力調整部。 The optical film bonding device of the present invention is an optical substrate manufactured by bonding an optical film to a glass substrate, and is characterized in that: A glass substrate conveying path for conveying the glass substrate; an optical film conveying path for conveying the optical film; and a lamination provided in the middle of the glass substrate conveying path and the optical film conveying path to attach the optical film to the glass substrate The optical film conveying path includes an optical film supply section that supplies the optical film, and a tension section that is provided between the optical film supply section and the bonding section and applies tension to the optical film. A tension adjustment section is provided to adjust the tension.
另外，本發明的光學膜貼合裝置中，上述光學膜貼合裝置兼用不同寬度的光學膜，上述張力調整部是調整張力，以使得使用寬度大的光學膜的場合的張力比使用寬度小的光學膜的場合的張力大為佳。 In addition, in the optical film bonding apparatus of the present invention, the optical film bonding apparatus also uses optical films of different widths, and the tension adjusting section adjusts the tension so that the tension when the optical film having a large width is used is smaller than the use width In the case of an optical film, the tension is preferably large.
另外，本發明的光學膜貼合裝置中，以上述張力部，具有：支撐架；固定板，可上下移動地設置於上述支撐架；張力軸，與上述光學模的搬運方向正交地配置，並自由旋轉地支撐於上述固定板；及張力輥，固定在上述張力軸的中心部，並相對於上述光學膜從上方壓接以施加張力，上述張力調整部包括配重與連接構件，上述固定板與上述配重分別連結於上述連接構件的兩 端，上述連接構件跨設置於上述支撐架的複數滑輪，吊起上述固定板與上述配重，調整上述配重的重量來調整上述張力為佳。 In addition, in the optical film bonding apparatus of the present invention, the tension section includes a support frame, a fixed plate provided on the support frame so as to be movable up and down, and a tension axis disposed orthogonally to the transport direction of the optical mold. And is rotatably supported by the fixed plate; and a tension roller is fixed at the center portion of the tension shaft, and is crimped from above with respect to the optical film to apply tension, the tension adjusting portion includes a weight and a connecting member, and the fixing The plate and the counterweight are respectively connected to two parts of the connecting member. On the other hand, the connection member spans a plurality of pulleys provided on the support frame, and the fixed plate and the weight are lifted, and the weight of the weight is adjusted to adjust the tension.
另外，本發明的光學膜貼合裝置中，以上述配重包括承接部與複數砝碼，上述承接部連結於上述連接構件，將上述複數砝碼設置在上述承接部為佳。 In the optical film bonding apparatus of the present invention, it is preferable that the counterweight includes a receiving portion and a plurality of weights, the receiving portion is connected to the connecting member, and the plurality of weights is preferably provided on the receiving portion.
本發明的光學膜貼合裝置中，具有張力部與張力調整部，因此在使用不同寬度之光學膜的場合，藉由對應光學膜利用張力調整部可調整張力，調整光學膜對各搬運輥的負載，可避免對光學膜貼合裝置或光學膜造成不良影響。藉此，本發明的光學膜貼合裝置可兼用不同寬度的光學膜。 The optical film bonding device of the present invention has a tension section and a tension adjustment section. Therefore, when using optical films with different widths, the tension can be adjusted by using the tension adjustment section corresponding to the optical film, and the adjustment of the optical film to each conveying roller The load can avoid adverse effects on the optical film bonding device or the optical film. Thereby, the optical film bonding apparatus of the present invention can simultaneously use optical films with different widths.
1‧‧‧光學膜搬運路徑 1‧‧‧ Optical film transport path
2‧‧‧玻璃基板搬運路徑 2‧‧‧ glass substrate transport path
3‧‧‧玻璃基板 3‧‧‧ glass substrate
4‧‧‧貼合部 4‧‧‧ Laminating Department
5‧‧‧光學膜供應部 5‧‧‧ Optical Film Supply Department
6‧‧‧張力部 6‧‧‧Tension Department
7‧‧‧裁斷部 7‧‧‧Cutting Department
8‧‧‧載體膜回收部 8‧‧‧ Carrier Film Recovery Department
9‧‧‧搬運輥 9‧‧‧ transport roller
61‧‧‧張力軸 61‧‧‧tension shaft
62‧‧‧張力輥 62‧‧‧Tension roller
63‧‧‧固定板 63‧‧‧Fixing plate
64‧‧‧軸承 64‧‧‧bearing
65a‧‧‧上板 65a‧‧‧on board
65b‧‧‧下板 65b‧‧‧ lower plate
66‧‧‧導桿 66‧‧‧Guide
67a、67b‧‧‧滑輪 67a, 67b ‧‧‧ pulley
68‧‧‧連接構件 68‧‧‧ connecting member
69‧‧‧配重 69‧‧‧ Counterweight
691‧‧‧承接部 691‧‧‧Receiving Department
692‧‧‧砝碼 692‧‧‧ weight
F‧‧‧支撐架 F‧‧‧Support
A‧‧‧上游側貼合機構 A‧‧‧ upstream side laminating mechanism
B‧‧‧下游側貼合機構 B‧‧‧ downstream side laminating mechanism
L‧‧‧長邊寬度的光學膜 L‧‧‧ Long side width optical film
S‧‧‧短邊寬度的光學膜 S‧‧‧Optical film with short side width
第1圖表示光學膜貼合裝置的整體構成的模式圖。 FIG. 1 is a schematic diagram showing the overall configuration of an optical film bonding apparatus.
第2圖是沿著與光學膜的搬運方向正交的方向觀察張力部與張力調整部的圖。 FIG. 2 is a view of the tension section and the tension adjustment section viewed in a direction orthogonal to the transport direction of the optical film.
第3圖是在光學膜的搬運方向觀察張力部與張力調整部的圖。 FIG. 3 is a view of the tension section and the tension adjustment section viewed in the transport direction of the optical film.
以下，根據添附圖示，說明實施本發明用的形態。在本實施形態中，以RTP方式的光學膜貼合裝置為例，說明光學膜貼合裝置。另外，以下的說明中，上游側與下游側是指玻璃基板3的搬運方向的上游側與下游側。 Hereinafter, embodiments for carrying out the present invention will be described based on the attached drawings. In this embodiment, an optical film bonding apparatus using an RTP system will be described as an example, and an optical film bonding apparatus will be described. In the following description, the upstream side and the downstream side refer to the upstream side and the downstream side in the conveyance direction of the glass substrate 3.
另外，在本實施形態中，光學膜包括長邊寬度的光學膜L與短邊寬度的光學膜S。 In this embodiment, the optical film includes an optical film L having a long side width and an optical film S having a short side width.
參閱第1圖，說明光學膜貼合裝置的整體的構成。光學膜貼合裝置沿著玻璃基板3的搬運方向分成上游側貼合機構A與下游側貼合機構B。用於搬運玻璃基板3的玻璃基板搬運路徑2通過該上游側貼合機構A與下游側貼合機構B。在上游側貼合機構A中，對玻璃基板3的一面貼合光學膜，在下游側貼合機構B中，對玻璃基板3的另一面貼合光學膜。 The overall configuration of the optical film bonding apparatus will be described with reference to FIG. 1. The optical film bonding apparatus is divided into an upstream-side bonding mechanism A and a downstream-side bonding mechanism B along the conveyance direction of the glass substrate 3. The glass substrate conveyance path 2 for conveying the glass substrate 3 passes through the upstream bonding mechanism A and the downstream bonding mechanism B. An optical film is bonded to one surface of the glass substrate 3 in the upstream bonding mechanism A, and an optical film is bonded to the other surface of the glass substrate 3 in the downstream bonding mechanism B.
由於上游側貼合機構A與下游側貼合機構B的構造基本大致相同，因此，以下僅對上游側貼合機構A進行說明。 Since the structures of the upstream side bonding mechanism A and the downstream side bonding mechanism B are substantially the same, only the upstream side bonding mechanism A will be described below.
上游側貼合機構A，包括：玻璃基板搬運路徑2；搬運光學膜的光學膜搬運路徑1；及設置在玻璃基板搬運路徑2與光學膜搬運路徑2的中途，將光學膜貼合於玻璃基板3的貼合部4。 The upstream-side bonding mechanism A includes a glass substrate conveying path 2; an optical film conveying path 1 for conveying an optical film; and an optical film provided on the glass substrate on the halfway between the glass substrate conveying path 2 and the optical film conveying path 2. 3 的 合 部 4。 The bonding portion 4 of 3.
以下，針對光學膜搬運路徑1詳細說明。 Hereinafter, the optical film conveyance path 1 will be described in detail.
光學膜搬運路徑1朝向與玻璃基板3的搬運方向相反的方向，即從下游側向上游側，搬運光學膜。在光學膜搬運路徑1中，包括：光學膜供應部5，配置在光學膜搬運路徑1的下游側的一端；張力部6，配置在比光學膜供應部5近上游側；裁斷部7，配置在比張力部6更上游側，且較貼合部4近下游側；載體膜回收部8，配置在光學膜搬運路徑1的上游側的一端。 The optical film conveyance path 1 conveys the optical film in a direction opposite to the conveyance direction of the glass substrate 3, that is, from the downstream side to the upstream side. The optical film transport path 1 includes an optical film supply section 5 disposed at one end on the downstream side of the optical film transport path 1, a tension section 6 disposed on the upstream side than the optical film supply section 5, and a cutting section 7 disposed. It is more upstream than the tension part 6 and is closer to the downstream side than the bonding part 4. The carrier film recovery part 8 is arranged at one end on the upstream side of the optical film conveyance path 1.
光學膜供應部5為具備可自由旋轉的輥。光學膜是以光學膜捲的形態安裝於該輥。上述光學膜捲是由帶狀的光學膜與載體膜層疊並捲繞所成。藉光學膜捲的送出，可朝上游側連續地供應光學膜。 The optical film supply unit 5 is provided with a roller that can be rotated freely. The optical film is attached to the roll in the form of an optical film roll. The optical film roll is formed by laminating and winding a band-shaped optical film and a carrier film. By feeding out the optical film roll, the optical film can be continuously supplied toward the upstream side.
張力部6是對光學膜供應部5送出的光學膜施加張力。另外，在張力部6設有調整張力的張力調整部。對此張力部6與張力調整部詳細如後述。 The tension section 6 applies tension to the optical film sent from the optical film supply section 5. In addition, the tension section 6 is provided with a tension adjustment section for adjusting tension. The details of the tension section 6 and the tension adjustment section will be described later.
裁斷部7為裁斷層疊在載體膜上的光學膜。 The cutting section 7 cuts the optical film laminated on the carrier film.
貼合部4是將光學膜從載體膜上剝離並貼合於玻璃基板3。 The bonding part 4 peels an optical film from a carrier film, and sticks it to the glass substrate 3.
載體膜回收部8為具備可自由旋轉的輥的構造。藉著將載體膜捲繞於該輥上進行回收。 The carrier film recovery unit 8 has a structure including a roller that can be rotated freely. The carrier film is recovered by winding it on the roll.
另外，光學膜搬運路徑1中，在上述各部之間，設有可自由旋轉的複數搬運輥9，用於連續搬運光學膜。為了可搬運不同寬度的光學膜，將各搬運輥9構成為其長度比長邊寬度的光學膜L的寬度大。 In addition, in the optical film conveyance path 1, a plurality of conveying rollers 9 that are freely rotatable are provided between the above-mentioned sections for continuously conveying the optical film. In order to be able to transport optical films of different widths, each of the transporting rollers 9 is configured to have a length larger than that of the optical film L having a long side width.
接著，參閱第2圖與第3圖，針對光學膜貼 合裝置的張力部6與張力調整部進行說明。 Next, referring to Figures 2 and 3, The tension section 6 and the tension adjustment section of the coupling device will be described.
張力部6包括支撐架F、固定板63、張力軸61及張力輥62。 The tension section 6 includes a support frame F, a fixing plate 63, a tension shaft 61, and a tension roller 62.
在支撐架F內部配置有張力軸61，該張力軸61的兩端部通過支撐架F，朝水平方向延伸到支撐架之外，並可自由旋轉地支撐於固定板63。 A tension shaft 61 is arranged inside the support frame F. Both ends of the tension shaft 61 extend horizontally out of the support frame through the support frame F and are rotatably supported on the fixed plate 63.
張力輥62是位在支撐架F的內部，並配置在張力軸61的中心部。張力輥62構成為其長度比長邊寬度的光學膜L的寬度大。 The tension roller 62 is located inside the support frame F, and is arranged at the center of the tension shaft 61. The tension roller 62 is configured such that the length of the tension roller 62 is larger than the width of the optical film L having a long side width.
固定板63形成為長方體狀，配置在支撐架F的外側。支撐架F上，在該固定板63的上方與下方分別設有上板65a與下板65b。在上板65a與下板65b之間，沿著豎立方向設置有兩支導桿66。藉著該兩支導桿66插穿固定板63兩側的插穿孔，使固定板63沿著該兩支導桿66在豎立方向自由移動。藉此，張力軸61及張力輥62可與固定板63一起上下移動。 The fixing plate 63 is formed in a rectangular parallelepiped shape, and is arranged outside the support frame F. The support frame F is provided with an upper plate 65a and a lower plate 65b above and below the fixing plate 63, respectively. Between the upper plate 65a and the lower plate 65b, two guide rods 66 are provided along the vertical direction. By inserting the two guide rods 66 through the insertion holes on both sides of the fixing plate 63, the fixing plate 63 is freely moved along the two guide rods 66 in the upright direction. Thereby, the tension shaft 61 and the tension roller 62 can move up and down together with the fixing plate 63.
在上述的構成中，藉著張力輥62從上方壓接於通過其下方的光學膜，利用張力輥62、張力軸61及固定板63的自重，對載體膜與光學膜施加張力。並且，由於固定板63只能在豎立方向移動，因此可防止張力輥62的擺動，可對光學膜施加穩定的張力。 In the above configuration, the optical film passing through the tension roller 62 is pressed from above by the tension roller 62, and the carrier film and the optical film are tensioned by the weight of the tension roller 62, the tension shaft 61, and the fixing plate 63. In addition, since the fixing plate 63 can only be moved in the upright direction, swinging of the tension roller 62 can be prevented, and stable tension can be applied to the optical film.
並且，該張力調整部具備帶狀的連接構件68與配重69，連接構件68是將其一端連結於固定板63上部之張力輥61的軸心的正上方位置，另一端連結於配重 69。連接構件68是跨設置在支撐架F的兩個滑輪67a、67b，將固定板63與配重69吊起。並且，配重69包括承接部691與複數砝碼692。承接部691與連接構件68連結，將複數砝碼692設置於承接部691。 The tension adjustment unit includes a belt-shaped connecting member 68 and a counterweight 69. The connecting member 68 is a position directly above the axis of the tension roller 61 at the upper end of the fixed plate 63 and the other end is connected to the counterweight 69. The connecting member 68 spans the two pulleys 67a and 67b provided on the support frame F, and suspends the fixing plate 63 and the weight 69. The weight 69 includes a receiving portion 691 and a plurality of weights 692. The receiving portion 691 is connected to the connecting member 68, and a plurality of weights 692 are provided in the receiving portion 691.
在上述的構成中，配重69以自重透過連接構件68將固定板63拉起。如上述，對光學膜施加的張力成為從張力輥62、張力軸61及固定板63的自重減去配重69的自重之後的力。由於可自由增減砝碼692的數量，因此可自由調整配重69的自重。藉此，可自由調整對光學膜施加的張力。 In the configuration described above, the weight 69 pulls up the fixing plate 63 through the connection member 68 under its own weight. As described above, the tension applied to the optical film is a force obtained by subtracting the weight of the weight 69 from the weight of the tension roller 62, the tension shaft 61, and the fixing plate 63. Since the number of weights 692 can be increased or decreased freely, the weight of the weight 69 can be freely adjusted. Thereby, the tension applied to the optical film can be freely adjusted.
因此，利用上述的構成，在使用不同寬度的光學膜的場合，可利用張力調整部適當調整張力。具體而言，張力調整部是調整張力，以使得使用寬度大的光學膜時的張力比使用寬度小的光學膜時的張力大。藉該等張力的調整，適當調整光學膜對各搬運輥9的負載，可防止對光學膜貼合裝置或光學膜造成不良影響。 Therefore, with the above-mentioned configuration, when an optical film having a different width is used, the tension can be appropriately adjusted by the tension adjustment unit. Specifically, the tension adjustment unit adjusts the tension so that the tension when using an optical film with a large width is greater than the tension when using an optical film with a small width. By adjusting these tensions and appropriately adjusting the load of the optical film on each of the conveying rollers 9, it is possible to prevent an adverse effect on the optical film bonding device or the optical film.
以下，針對在光學膜貼合裝置，使用長邊寬度的光學膜L及使用短邊寬度的光學膜S的場合之分別的調整方式進行說明。 Hereinafter, the respective adjustment methods in the case of using the optical film L of the long side width and the optical film S of the short side width in the optical film bonding apparatus will be described.
在使用長邊寬度的光學膜L的場合，減少砝碼692的數量，以增大對長邊寬度的光學膜L施加的張力。如上述，可進一步穩定光學膜的搬運。 When the long-side width optical film L is used, the number of weights 692 is reduced to increase the tension applied to the long-side width optical film L. As described above, the transportation of the optical film can be further stabilized.
在使用短邊寬度的光學膜S的場合，光學膜對張力軸61的負載集中於中央及兩端部，因此增加砝碼 692的數量，以減小對短邊寬度的光學膜S施加的張力。如上述，也可減小光學膜對張力軸61的負載，防止張力軸61的彎曲。 When the optical film S having a short side width is used, the load of the optical film on the tension axis 61 is concentrated at the center and both ends, so that a weight is added. 692 to reduce the tension applied to the optical film S with a short side width. As described above, it is also possible to reduce the load on the tension shaft 61 by the optical film and prevent the tension shaft 61 from being bent.
因此，在本實施形態的光學膜貼合裝置中，對應光學膜藉著張力調整部調整張力，可兼用於寬度不同的光學膜。 Therefore, in the optical film bonding apparatus of this embodiment, the tension of the corresponding optical film is adjusted by the tension adjusting portion, and the optical film can be used also for optical films having different widths.
此外，本發明不限於上述具體的實施形態，在本發明的技術構想的範圍內可進行各種變更。如此的變更也包含於本發明的範圍內。 The present invention is not limited to the specific embodiments described above, and various changes can be made within the scope of the technical idea of the present invention. Such changes are also included in the scope of the present invention.
例如，在上述實施的形態中，上述張力調整部雖是由連接構件與配重構成，但也可以使用其他構造的張力調整部。例如，也可以在固定板上，設置用於放置砝碼的承接部。藉此，增減砝碼的數量，可調整固定板的自重，因此可調整張力。 For example, in the embodiment described above, the tension adjusting unit is composed of a connection member and a weight, but a tension adjusting unit having another structure may be used. For example, a receiving portion for placing a weight may be provided on the fixing plate. With this, the weight of the fixed plate can be adjusted by increasing or decreasing the number of weights, and therefore the tension can be adjusted.
61‧‧‧張力軸 61‧‧‧tension shaft
63‧‧‧固定板 63‧‧‧Fixing plate
64‧‧‧軸承 64‧‧‧bearing
65a‧‧‧上板 65a‧‧‧on board
65b‧‧‧下板 65b‧‧‧ lower plate
66‧‧‧導桿 66‧‧‧Guide
67a‧‧‧滑輪 67a‧‧‧Pulley
67b‧‧‧滑輪 67b‧‧‧ pulley
68‧‧‧連接構件 68‧‧‧ connecting member
69‧‧‧配重 69‧‧‧ Counterweight
691‧‧‧承接部 691‧‧‧Receiving Department
692‧‧‧砝碼 692‧‧‧ weight
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| CN201620222038.8U CN205522898U (en) | 2016-03-22 | 2016-03-22 | Optical film applying device |
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| CN112874877A (en) * | 2021-01-08 | 2021-06-01 | 郑州旭飞光电科技有限公司 | Glass substrate film pasting equipment and film pasting method |
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