WO2011070820A1 - 光学表示装置の製造システムおよび当該光学表示装置の製造方法 - Google Patents

光学表示装置の製造システムおよび当該光学表示装置の製造方法 Download PDF

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Publication number
WO2011070820A1
WO2011070820A1 PCT/JP2010/063524 JP2010063524W WO2011070820A1 WO 2011070820 A1 WO2011070820 A1 WO 2011070820A1 JP 2010063524 W JP2010063524 W JP 2010063524W WO 2011070820 A1 WO2011070820 A1 WO 2011070820A1
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WIPO (PCT)
Prior art keywords
polarizing film
film
unwinding
cutting
polarizing
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PCT/JP2010/063524
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English (en)
French (fr)
Japanese (ja)
Inventor
幸治 植田
和範 岸▲崎▼
Original Assignee
住友化学株式会社
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Priority claimed from JP2009279743A external-priority patent/JP5616054B2/ja
Application filed by 住友化学株式会社 filed Critical 住友化学株式会社
Priority to KR1020117018213A priority Critical patent/KR101070283B1/ko
Priority to CN2010800066174A priority patent/CN102405437B/zh
Priority to KR1020117018256A priority patent/KR101219254B1/ko
Priority to KR1020127028048A priority patent/KR101255497B1/ko
Publication of WO2011070820A1 publication Critical patent/WO2011070820A1/ja

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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
    • B29C66/05—Particular design of joint configurations
    • B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
    • B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
    • B29C66/114—Single butt joints
    • B29C66/1142—Single butt to butt joints
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
    • B29C65/50—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding using adhesive tape, e.g. thermoplastic tape; using threads or the like
    • B29C65/5042—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding using adhesive tape, e.g. thermoplastic tape; using threads or the like covering both elements to be joined
    • B—PERFORMING OPERATIONS; TRANSPORTING
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    • B29C65/50—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding using adhesive tape, e.g. thermoplastic tape; using threads or the like
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    • B29C66/73—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 characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset
    • B29C66/733—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 characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the optical properties of the material of the parts to be joined, e.g. fluorescence, phosphorescence
    • B29C66/7338—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 characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the optical properties of the material of the parts to be joined, e.g. fluorescence, phosphorescence at least one of the parts to be joined being polarising
    • 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
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/83—General aspects of machine operations or constructions and parts thereof characterised by the movement of the joining or pressing tools
    • B29C66/832—Reciprocating joining or pressing tools
    • B29C66/8322—Joining or pressing tools reciprocating along one axis
    • 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
    • B29C66/80—General aspects of machine operations or constructions and parts thereof
    • B29C66/84—Specific machine types or machines suitable for specific applications
    • B29C66/853—Machines for changing web rolls or filaments, e.g. for joining a replacement web to an expiring web
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H19/00—Changing the web roll
    • B65H19/10—Changing the web roll in unwinding mechanisms or in connection with unwinding operations
    • B65H19/18—Attaching, e.g. pasting, the replacement web to the expiring web
    • B65H19/1842—Attaching, e.g. pasting, the replacement web to the expiring web standing splicing, i.e. the expiring web being stationary during splicing contact
    • B65H19/1852—Attaching, e.g. pasting, the replacement web to the expiring web standing splicing, i.e. the expiring web being stationary during splicing contact taking place at a distance from the replacement roll
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H19/00—Changing the web roll
    • B65H19/10—Changing the web roll in unwinding mechanisms or in connection with unwinding operations
    • B65H19/18—Attaching, e.g. pasting, the replacement web to the expiring web
    • B65H19/1857—Support arrangement of web rolls
    • B65H19/1873—Support arrangement of web rolls with two stationary roll supports carrying alternately the replacement and the expiring roll
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/30—Polarising elements
    • 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
    • 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
    • G02F1/1303—Apparatus specially adapted to the manufacture of LCDs
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    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
    • B29C65/4805—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding characterised by the type of adhesives
    • B29C65/481—Non-reactive adhesives, e.g. physically hardening adhesives
    • B29C65/4825—Pressure sensitive adhesives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
    • B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
    • B29C65/4805—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding characterised by the type of adhesives
    • B29C65/483—Reactive adhesives, e.g. chemically curing adhesives
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    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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    • 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
    • B29C66/71—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 characterised by the composition of the plastics material of the parts to be joined
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Definitions

  • the present invention relates to an optical display device manufacturing system and an optical display device manufacturing method.
  • an optical display panel in which a polarizing film is bonded to a liquid crystal panel has been widely manufactured.
  • the manufacturing system which unwinds a long roll polarizing film and bonds with a sheet-like liquid crystal panel is proposed.
  • Patent Literature 1 and Patent Literature 2 disclose an apparatus for laminating an optical film. According to these apparatuses, the optical film can be bonded with high work efficiency.
  • Patent Document 3 discloses a laminating machine that joins a plurality of raw rolls with a turret.
  • Japanese Patent Publication Japanese Unexamined Patent Application Publication No. 2004-361741 (Released on December 24, 2004)” Japanese Patent Publication “JP 2009-61498 A (published March 26, 2009)” Japanese Patent Publication “JP-A-8-208083 (published on August 13, 1996)”
  • the conventional manufacturing system has a problem that the production efficiency of the optical display panel is insufficient.
  • an unwinding portion for fixing the original roll of the polarizing film is provided at one location. Therefore, when replacing the used raw roll, the operator first stops the production system line. Next, the unwinding part is moved horizontally in the core direction of the original roll. Then, an operator will perform exchange work by bonding a used original fabric roll and a new original fabric roll in a film edge part in the unwinding part moved horizontally.
  • the present invention has been made in view of the above-described conventional problems, and an object of the present invention is to provide a manufacturing system for a miniaturized optical display device that can shorten the manufacturing time of the optical display device. is there.
  • the optical display device manufacturing system of the present invention is a manufacturing system for manufacturing an optical display device by laminating a polarizing film on a liquid crystal panel, and the surface of which is protected by a protective film.
  • It has a laminating part for pasting and a winding part for winding up the protective film peeled off from the polarizing film, and the unwinding part can move horizontally with respect to the core direction of the polarizing film.
  • the first unwinding portion and the second unwinding portion, which are the unwinding portions, are arranged in parallel.
  • the two unwinding portions, the first unwinding portion and the second unwinding portion are provided, and the first unwinding portion and the second unwinding portion are replaced without replacing the roll of the polarizing film with a new roll.
  • the polarizing films can be immediately connected to each other, and the replaced polarizing film can be unwound quickly. Therefore, since the time required for the replacement work of the raw roll of the unwinding part can be reduced, the manufacturing time of the optical display device can be shortened.
  • the unwinding part can move horizontally with respect to the core direction of the polarizing film. For this reason, when exchanging a polarizing film, the roll of a new polarizing film can be installed in the unwinding part moved to the said horizontal direction. Therefore, unlike a laminating machine having a turret, the unwinding portion does not move upward. For this reason, the range which an unwinding part moves can be made small, and the manufacturing system reduced in size can be provided.
  • the optical display device manufacturing system of the present invention is a manufacturing system for manufacturing an optical display device by bonding a polarizing film to a liquid crystal panel as described above, and unwinds a polarizing film whose surface is protected by a protective film.
  • a winding portion for winding the protective film peeled off from the polarizing film, and the unwinding portion is movable horizontally with respect to the core direction of the polarizing film,
  • the 1st unwinding part and 2nd unwinding part which are parts are arranged in parallel.
  • the polarizing films can be immediately connected to each other using the polarizing films of the first unwinding portion and the second unwinding portion, and the polarizing film is quickly replaced.
  • a polarizing film can be unwound. Therefore, since the time required for the replacement work of the raw roll of the unwinding part can be reduced, the manufacturing time of the optical display device can be shortened.
  • the said unwinding part can move horizontally with respect to the core direction of a polarizing film. For this reason, when exchanging a polarizing film, the roll of a new polarizing film can be installed in the unwinding part moved to the said horizontal direction. Therefore, unlike a laminating machine having a turret, the unwinding portion does not move upward. For this reason, it is possible to reduce the range in which the unwinding part moves and to provide an effect that a miniaturized manufacturing system can be provided.
  • FIGS. 1 to 5 An embodiment of the present invention will be described with reference to FIGS. 1 to 5 as follows.
  • FIG. 1 is a cross-sectional view showing an optical display device manufacturing system 30 according to the present invention.
  • the manufacturing system 30 bonds the polarizing film 10 or 20 and the liquid crystal panel 2 together.
  • the liquid crystal panel 2 a known liquid crystal panel may be used, and a known liquid crystal panel in which an alignment film is disposed between a substrate such as a glass substrate and a liquid crystal layer may be used.
  • each component of the manufacturing system 30 includes an unwinding part (first unwinding part) 1, an unwinding part (second unwinding part) 11, and a film connecting part (first film connecting part) 3.
  • a film connecting part (second film connecting part) 13 and a transport mechanism 12 are provided.
  • a knife edge (peeling portion) 23 and nip rolls 22 and 22a are provided.
  • the unwinding part 1 and the unwinding part 11 are apparatuses that respectively hold the rolls of the polarizing films 10 and 20, and are configured to be able to adjust the tension applied to the polarizing films 10 and 20.
  • the polarizing film 10 unwound from the unwinding part 1 is sent to the line side through each guide roll. The same applies to the polarizing film 20 unwound from the unwinding section 11.
  • Unwinding part 1 and unwinding part 11 are arranged side by side. Moreover, the unwinding part 1 and the unwinding part 11 have a structure which can move to a horizontal direction, respectively in the direction of the core 1a * 11a of the polarizing films 10 * 20. In other words, the unwinding part 1 can move in the width direction of the polarizing film 10, and the unwinding part 11 has a structure that can move in the width direction of the polarizing film 20. More specifically, as shown on the left side of FIG.
  • the unwinding units 1 and 11 move in the horizontal direction, a space for moving the unwinding units 1 and 11 between the unwinding units 1 and 11 and the transport mechanism 12 is not required. As a result, the space between the unwinding units 1 and 11 and the transport mechanism 12 can be reduced, and the manufacturing system 30 can be reduced in size.
  • the present invention is greatly different from a conventional manufacturing system having a turret in that such downsizing can be achieved.
  • polarizing films 10 and 20 a known polarizing film may be used.
  • a long polarizing film is usually used.
  • a TAC (triacetylcellulose) film or the like is bonded as a protective film on both sides of the polarizer film, and a protective film is laminated on one or both TAC films via an adhesive. It has become.
  • examples of the polarizer film located in the center include a film in which a polyvinyl alcohol film is dyed with iodine or the like, and a protective film such as TAC is bonded to the stretched film or the like. it can.
  • polyvinyl alcohol film instead of the polyvinyl alcohol film, a partially formalized polyvinyl alcohol film, an ethylene / vinyl acetate copolymer partially saponified film, a hydrophilic polymer film such as a cellulose film, etc.
  • Polyene-oriented films such as vinyl chloride dehydrochlorinated products can also be used.
  • the total thickness including the polarizing film 10 and the protective film is not particularly limited, but can be 100 ⁇ m or more and 500 ⁇ m or less.
  • the thickness of the polarizer film in the polarizing film 10 is generally 10 ⁇ m or more and 50 ⁇ m or less.
  • other layers may be included within the practical range of the polarizing film 10.
  • the surface of the polarizing film is protected by a protective film.
  • An adhesive layer is present between the polarizing film 10 and the protective film, and the polarizing film 10 and the liquid crystal panel 2 are bonded through the adhesive layer after the protective film is peeled off.
  • the said protective film is set as the structure provided in the single side
  • the protective film a polyester film, a polyethylene terephthalate film, or the like can be used.
  • the thickness and width of the protective film are not particularly limited, but from the viewpoint of being used as a protective film for a polarizing film, for example, a thickness of 5 ⁇ m or more and 50 ⁇ m or less, 200 mm or more and 1500 mm or less.
  • a protective film having a width can be preferably used.
  • the transport mechanism 12 transports the liquid crystal panel 2 to nip rolls (bonding portions) 22 and 22a that are bonded to the polarizing film 10 (or 20).
  • the transport mechanism 12 is disposed in the flow direction of the polarizing film 10 and is disposed above the polarizing film 10.
  • the transport mechanism 12 and the nip rolls 22 and 22a are arranged on the upper stages of the lower unwinding sections 1 and 11, the film connecting sections 3 and 13, and the knife edge 23.
  • the transport mechanism 12 in the manufacturing system 30 has a roller-shaped structure, but the transport mechanism 12 is not limited to the roller shape as long as the liquid crystal panel can be transported.
  • the liquid crystal panel 2 is transported from the left side to the right side (nip rolls 22 and 22a side) in the figure by the transport mechanism 12.
  • the film connecting portions 3 and 13 and a cutting machine not shown in FIG. 1 will be described later.
  • FIG. 2 is a sectional view showing the structure of the manufacturing system 30 near the nip rolls 22 and 22a.
  • the polarizing film 10 is cut and attached to the protective film via the pressure-sensitive adhesive layer. That is, the polarizing film 10 is cut to a size preferable for bonding to the liquid crystal panel 2 by a half cutter (not shown) in the stage before reaching the nip rolls 22 and 22a.
  • the protective film 10a is not cut.
  • a knife edge 23 is arranged along the protective film 10a.
  • the knife edge 23 has a triangular shape as its side surface, and the bottom surface of the knife edge 23 is arranged along the unwinding direction of the protective film 10a.
  • the knife edge 23 is composed of a member having a small frictional force between the knife edge 23 and the protective film 10a and capable of easily peeling the protective film 10a from the pressure-sensitive adhesive layer, for example, a member whose surface is processed with diamond-like carbon or the like. ing.
  • the protective film 10a is peeled off and removed from the polarizing film 10 by moving following the knife edge 23, and then wound around a winding portion (not shown).
  • Examples of the material for the knife edge 23 include SUS304 and SUS420.
  • the winding unit is a device that winds the protective film 10a, and the basic structure is the same as that of the unwinding unit 1 or 11. In addition, it is set as the structure which is provided with two winding parts, and connects the protective film 10a with two film connection parts so that a polarizing film may be connected with two film connection parts so that it may mention later. You can also.
  • the nip rolls 22 and 22a are for bonding the liquid crystal panel 2 transported by the transport mechanism 12 and the polarizing film 10 by pressure bonding. What is necessary is just to adjust the pressure at the time of bonding in the nip rolls 22 and 22a suitably.
  • FIG. 3 is a perspective view showing the film connecting portion 3 and the cutting machine 7. As shown in FIG. 3, the film connecting portion 3 includes adsorption portions 4 and 4 a and a cutting and bonding portion 5.
  • the adsorption parts 4 and 4a are members for adsorbing and fixing the polarizing film.
  • the adsorbing parts 4 and 4a have a flat plate shape and are provided with a plurality of adsorbing mechanisms 9 on the surface thereof.
  • the adsorption mechanism 9 is not particularly limited as long as the polarizing film can be adsorbed, and a configuration in which the polarizing film is adsorbed by sucking air with a pump can be adopted.
  • the cutting and bonding unit 5 is rotatable and has a plurality of surfaces. Specifically, the cutting bonding part 5 has a polygonal shape. Moreover, it arrange
  • the cutting and bonding part 5 is in a direction perpendicular to the polarizing film 10 and can be moved in a direction close to the polarizing film 10 to return to the original position. Thereby, it is possible to avoid reliably that the corner
  • disconnection bonding part 5 is polygonal shape and also has the cutting
  • a mating surface may be further provided.
  • angular part is chamfered like the cutting
  • FIG. 4 is a perspective view showing the cutting and bonding part 5.
  • FIG. 4 shows a state where the cutting and bonding part 5 of FIG.
  • the cutting and bonding unit 5 includes the polarizing film 10 so as to cover the cutting support surface 5 a that supports the polarizing film 10 along the width direction of the polarizing film 10 and the cutting line of the cut polarizing film 10.
  • -It has 2 or more cutting support surfaces 5a and the bonding surface 5b provided with the adsorption
  • a groove-shaped opening 6 is formed in the cutting support surface 5a, and the blade portion of the cutting machine 7 provided in the cutting bonding portion 5 shown in FIG.
  • the cutting machine 7 can be reliably passed along the width direction of the polarizing film 10, and the polarizing films 10 and 20 can be more accurately connected.
  • the cutting machine 7 can employ a known cutter, and can easily cut the polarizing film 10, so that it is preferably a round blade. Further, the cutting machine 7 is supported by a base 8 that can be driven in the width direction of the polarizing film 10.
  • the bonding surfaces 5b and 5c have the same configuration, and are provided with a plurality of suction mechanisms 9 in the same manner as the suction portions 4 and 4a.
  • the single-sided adhesive tape (connecting material) 5d is arrange
  • the above single-sided adhesive tape 5d only needs to be able to bond polarizing films together, and a known single-sided adhesive tape can be used.
  • film materials for tape include polyethylene terephthalate film (PET film), cellulose, Japanese paper, aluminum, non-woven fabric, polytetrafluoroethylene, polyvinyl chloride, polyvinylidene chloride, polycarbonate, polyurethane, ABS resin, polyester, polystyrene, Polyethylene, polypropylene, polyacetal resin, polylactic acid, polyimide, polyamide and the like can be mentioned.
  • acrylic, epoxy, polyurethane, synthetic rubber, EVA, silicone examples of the adhesive include vinyl chloride, chloroprene rubber, cyanoacrylate, isocyanate, polyvinyl alcohol, and melamine resin.
  • the film connecting part 3 is disposed so as to face the polarizing film 10. For this reason, in FIG. 1, since the polarizing film 10 is arrange
  • the film connecting part 13 has the same structure as the film connecting part 3. As shown in FIG. 1, the film connecting portions 3 and 13 are arranged so that the suction mechanisms 9 of the suction portions 4 (the suction portions 4 a) provided in the film connecting portions 3 and 13 face each other. Moreover, the film connection parts 3 and 13 are arranged with the passage positions of the polarizing film 10 and the polarizing film 20 interposed therebetween. In addition, the manufacturing system 30 provided with the film connection part 3 * 13 is a preferable form in this Embodiment, and can also be set as the form which does not include the film connection part 3 * 13.
  • the polarizing film 10 is unwound from the unwinding part 1 (unwinding process). Then, as shown in FIG. 2, only the polarizing film 10 is half-cut by a half cutter (not shown), and the protective film 10a is peeled off by the knife edge 23 (peeling step). Furthermore, the liquid crystal panel 2 and the polarizing film 10 from which the protective film 10a has been peeled off are bonded by pressing with the nip rolls 22 and 22a (bonding step). The peeled protective film 10a is wound and collected by a winding unit (not shown). Through the series of steps, the liquid crystal panel 2 and the polarizing film 10 are bonded to obtain an optical display device.
  • disconnects the polarizing film of the said 1st unwinding part, and the polarizing film of the 2nd unwinding part,
  • the “line side” indicates a direction in which the polarizing film is unwound.
  • Examples of the connecting step include (1) a technique by an operator and (2) a technique using the film connecting portions 3 and 13.
  • the conveyance speed of the polarizing film 10 is set to 0 m / min. After the above (after stopping the polarizing film 10), the operator cuts the polarizing film 10. Next, after unwinding the polarizing film 20 from the unwinding part 11 and cutting the end part, for example, a method of connecting using the single-sided adhesive tape 5d described above can be used.
  • the two unwinding portions of the unwinding portions 1 and 11 are provided, and the polarizing films 10 and 20 can be obtained without replacing the polarizing film roll with a new roll. Can be used to immediately connect the films, and the polarizing film 20 can be unwound quickly. Therefore, unlike the conventional manufacturing system in which the unwinding unit is installed only at one place, the original roll roll can be replaced at the unwinding unit that is vacant during operation. Can be reduced. As a result, it is possible to shorten the manufacturing time of the optical display device.
  • the roll of the polarizing film 10 in the unwinding unit 1 is replaced with a new roll while the polarizing film 20 is unwound.
  • the remaining amount of the polarizing film 20 decreases, it is of course possible to connect the polarizing film 20 and the polarizing film 10 in the same manner.
  • FIG. 5 is a process diagram showing a connecting process by the manufacturing system 30.
  • the conveying speed of the polarizing film 10 is set to 0 m / min.
  • the adsorbing parts 4 and 4a and the cutting and bonding part 5 are moved in the vertical direction with respect to the polarizing film 10.
  • the polarizing film 10 is sucked and fixed by the suction mechanism 9 of the suction parts 4 and 4a (suction process).
  • the cutting support surface 5 a is in contact with the polarizing film 10 in the cutting and bonding unit 5. Then, as shown in FIG.5 (b), the cutting machine which is not shown in figure is moved along the opening 6, and the polarizing film 10 is cut
  • the single-sided adhesive tape 5d of the bonding surface 5b is bonded together so that the cutting line of the polarizing film 10 facing the single-sided adhesive tape 5d (not shown) may be covered (pasting). Joint process).
  • the said cutting line shows the edge
  • the single-sided adhesive tape 5d is disposed so as to cover the cutting line, that is, the polarizing film 10 is also disposed on a portion where the polarizing film 10 does not exist beyond the cutting line.
  • the single-sided adhesive tape 15d is adhered to the cut support surface 15a of the polarizing film 20 in the same manner as in FIGS.
  • the same members as those described above are given the same names, and the description thereof is omitted.
  • a cutting machine (not shown) is formed in the opening formed on the cutting support surface 15a. And the polarizing film 20 is cut.
  • the cutting and bonding unit 15 is moved in the direction perpendicular to the polarizing film 20 and away from the polarizing film 20 (right side in the figure), and rotated counterclockwise by 1/3 turn, the polarizing film 20 In the direction perpendicular to the polarizing film 20 (left side in the figure).
  • the single-sided adhesive tape 15d can be affixed so that the cutting line of the polarizing film 20 facing the single-sided adhesive tape 15d of the bonding surface 15b may be covered.
  • the cutting and bonding parts 5 and 15 are perpendicular to the polarizing films 10 and 20, respectively, and are moved away. It moves to a direction, the cutting bonding part 5 is rotated 1/3 times counterclockwise, and the cutting bonding part 15 is rotated 1/3 times clockwise. And the cutting bonding parts 5 and 15 are perpendicular
  • the polarizing film is adsorbed, cut, and bonded in a shorter time and more accurately than the connecting step by the operator. Is preferable.
  • the manufacturing system 30 when only the unwinding unit 1 is used, the unwinding unit 11 is not used, and the film connecting units 3 and 13 are not used, the operator replaces a new polarizing film with the unwinding unit 1. After that, the polarizing film 10 needs to be replaced, so that the connecting step requires about 30 minutes. For this reason, it is clear that the manufacturing system 30 according to the present embodiment is useful.
  • the present invention also includes the following aspects.
  • the first film connecting portion and the second film connecting portion that connect the polarizing film unwound from the first unwinding portion and the polarizing film unrolled from the second unwinding portion.
  • the first film connecting portion is disposed opposite to the polarizing film unwound from the first unwinding portion, and the second film connecting portion is the second.
  • the said 1st film connection part and the 2nd film connection part are two adsorption parts provided with the adsorption
  • the plurality of surfaces of the cut-and-paste part includes a cutting support surface that supports the polarizing film along the width direction of the polarizing film, and an adsorption mechanism that adsorbs and holds the connecting material that connects the polarizing films to each other. It has at least the above bonding surface, and it is preferable that the first film connecting portion and the second film connecting portion can be close to each other.
  • the polarizing film can be adsorbed by the adsorbing portion, and the adsorbing polarizing film can be cut by the cutting machine while being supported by the cutting support surface. Then, the cutting bonding part can be rotated and the connection material of a bonding surface can be bonded with respect to the cut
  • an opening through which the cutting machine can pass is formed in the cutting support surface along the width direction of the polarizing film.
  • the cutting machine can be reliably passed along the width direction of the polarizing film, and the polarizing films can be more accurately connected later.
  • the cutting machine has a round blade shape.
  • the cutting and bonding part is movable in the vertical direction with respect to the polarizing film adsorbed by the adsorption part.
  • the cutting and bonding part when the cutting and bonding part rotates, the cutting and bonding part can be moved in a direction perpendicular to the polarizing film and away from the polarizing film, and then rotated. Thereby, when a cutting bonding part rotates, it can avoid reliably contacting a polarizing film.
  • the manufacturing method of the optical display device of the present invention is a manufacturing method of an optical display device in which a polarizing film is bonded to a liquid crystal panel using the above-described optical display device manufacturing system, and the surface is protected by a protective film.
  • the polarizing film unwound by the unwinding part, the peeling process for peeling the protective film from the polarizing film by the peeling part, the liquid crystal panel transported by the transport mechanism, and the polarized light from which the protective film was peeled off Including a laminating step of laminating a film and a winding step of winding the protective film peeled off from the polarizing film by a winding unit, the polarizing film of the first unwinding unit and the polarization of the second unwinding unit A polarizing film on the line side of the first unwinding part or the line side of the second unwinding part and the unwinding part of the second unwinding part among the cut polarizing films. Or a method comprising a first winding out of the unwinding side connecting step of connecting the polarizing film.
  • said manufacturing method it is possible to connect a polarizing film at a connection process using the manufacturing system provided with two unwinding parts, the 1st unwinding part and the 2nd unwinding part. .
  • the polarizing films can be immediately connected to each other using the polarizing films of the first unwinding portion and the second unwinding portion, and the polarizing film was quickly replaced.
  • a polarizing film can be unwound. Therefore, since the time required for the replacement work of the roll of the unwinding part can be reduced, it is possible to provide a manufacturing method for shortening the manufacturing time of the optical display device.
  • the optical display device manufacturing method of the present invention is a manufacturing method for manufacturing an optical display device by bonding a polarizing film to a liquid crystal panel using the optical display device manufacturing system, wherein the connecting step includes An adsorbing step for adsorbing the polarizing film, a cutting step for supporting the adsorbing polarizing film on the cutting support surface and cutting with a cutting machine, and rotating the cutting laminating portion to connect the connecting material and the polarizing film.
  • the connecting step includes An adsorbing step for adsorbing the polarizing film, a cutting step for supporting the adsorbing polarizing film on the cutting support surface and cutting with a cutting machine, and rotating the cutting laminating portion to connect the connecting material and the polarizing film.
  • the connecting step includes An adsorbing step for adsorbing the polarizing film, a cutting step for supporting the adsorbing polarizing film on the cutting support surface and cutting with a cutting machine, and rotating the cutting laminating portion
  • the polarizing film can be adsorbed in the adsorbing step, and in the cutting step, the adsorbing polarizing film can be cut by the cutting machine while being supported by the cutting support surface. Furthermore, in the bonding step, the cut bonding portion can be rotated, and the connecting material on the bonding surface can be bonded to the cut polarizing film. Finally, in the proximity step, the first film connecting portion and the second film connecting portion are brought close to each other, and the two polarizing films bonded with the connecting material are brought into contact with each other, so that the polarizing films can be made in a shorter time and more accurately. Can be linked to.
  • the present invention when the optical display device is manufactured, the polarizing films can be quickly connected, and the manufacturing time of the optical display device can be shortened. Therefore, the present invention can be used in the field of manufacturing an optical display device.

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Nonlinear Science (AREA)
  • Optics & Photonics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
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  • Liquid Crystal (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
PCT/JP2010/063524 2009-12-09 2010-08-10 光学表示装置の製造システムおよび当該光学表示装置の製造方法 WO2011070820A1 (ja)

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CN2010800066174A CN102405437B (zh) 2009-12-09 2010-08-10 光学显示装置的制造系统以及该光学显示装置的制造方法
KR1020117018256A KR101219254B1 (ko) 2009-12-09 2010-08-10 광학표시장치의 제조시스템
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EP4428073A1 (en) * 2023-03-06 2024-09-11 G.D S.p.A. Method and apparatus for implementing a change of coil of electrode web for the production of electrochemical cells

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ITVR20130163A1 (it) * 2013-07-16 2015-01-17 Sacmi Verona Spa Gruppo di alimentazione di nastro di supporto per l'etichettatura di prodotti da etichettare
CN103407818B (zh) * 2013-07-25 2017-08-08 深圳市吉阳自动化科技有限公司 用于锂电池极片或隔膜的接带装置
JP6178660B2 (ja) * 2013-08-08 2017-08-09 住友化学株式会社 光学表示デバイスの生産システム
CN104865620B (zh) * 2014-02-25 2016-08-24 玉山精密涂布股份有限公司 一种制造具边缘保护功能的光学膜片的方法及产品
WO2017170484A1 (ja) * 2016-03-30 2017-10-05 住友化学株式会社 延伸フィルムの製造方法及び延伸フィルムの製造装置
JP6792367B2 (ja) * 2016-07-22 2020-11-25 日東電工株式会社 枚葉状の光学フィルム
JP6833541B2 (ja) * 2017-02-08 2021-02-24 日東電工株式会社 粘着テープ接合方法および粘着テープ接合装置
WO2020066351A1 (ja) * 2018-09-28 2020-04-02 富士フイルム株式会社 パターン付き基材の製造方法、回路基板の製造方法及びタッチパネルの製造方法
DE102019203748A1 (de) * 2019-02-07 2020-08-13 Bhs Corrugated Maschinen- Und Anlagenbau Gmbh Materialbahn-Einzugsvorrichtung
TWI751694B (zh) * 2020-09-14 2022-01-01 禾廣企業股份有限公司 自動接膜設備及使用其之自動接膜方法

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TW201122623A (en) 2011-07-01
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CN102405437B (zh) 2012-12-12
KR20120001721A (ko) 2012-01-04
CN102520548B (zh) 2013-09-11
CN102520548A (zh) 2012-06-27
KR101255497B1 (ko) 2013-04-16
KR101070283B1 (ko) 2011-10-06
CN102405437A (zh) 2012-04-04
TWI354141B (en) 2011-12-11
TW201129842A (en) 2011-09-01
TWI364572B (en) 2012-05-21
KR101219254B1 (ko) 2013-01-09

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