WO2016153192A1 - Procédé et appareil de fabrication d'un capteur tactile à film - Google Patents

Procédé et appareil de fabrication d'un capteur tactile à film Download PDF

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Publication number
WO2016153192A1
WO2016153192A1 PCT/KR2016/002237 KR2016002237W WO2016153192A1 WO 2016153192 A1 WO2016153192 A1 WO 2016153192A1 KR 2016002237 W KR2016002237 W KR 2016002237W WO 2016153192 A1 WO2016153192 A1 WO 2016153192A1
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WO
WIPO (PCT)
Prior art keywords
laminate
touch sensor
force
substrate
film
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Application number
PCT/KR2016/002237
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English (en)
Korean (ko)
Inventor
박용수
류한섭
윤억근
천재학
Original Assignee
동우화인켐 주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by 동우화인켐 주식회사 filed Critical 동우화인켐 주식회사
Priority to CN201680016303.XA priority Critical patent/CN107430462B/zh
Priority to JP2017549449A priority patent/JP6535754B2/ja
Publication of WO2016153192A1 publication Critical patent/WO2016153192A1/fr

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
    • G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
    • G06F2203/04103—Manufacturing, i.e. details related to manufacturing processes specially suited for touch sensitive devices

Definitions

  • the present invention relates to a film touch sensor manufacturing method and a manufacturing apparatus capable of suppressing crack generation.
  • the touch screen panel is an input device for inputting a user's command by selecting instructions displayed on a screen such as an image display device with a human hand or an object.
  • the touch screen panel is provided on the front face of the image display device to convert a contact position in direct contact with a human hand or an object into an electrical signal. Accordingly, the instruction content selected at the contact position is received as an input signal.
  • the touch screen panel can replace a separate input device connected to an image display device such as a keyboard and a mouse, its use range is gradually being expanded.
  • a resistive film method As a method of implementing a touch screen panel, a resistive film method, a light sensing method, and a capacitive method are known.
  • a conductive sensing pattern is applied when a human hand or an object is touched.
  • the contact position is converted into an electrical signal.
  • Such a touch screen panel is generally attached to the outer surface of a flat panel display such as a liquid crystal display and an organic light emitting display, and commercialized. Therefore, the touch screen panel requires high transparency and thin thickness.
  • a flexible flat panel display is being developed.
  • a touch screen panel attached to the flexible flat panel display is also required to have a flexible characteristic.
  • the capacitive touch screen panel requires thin film formation, a pattern forming process, and the like to form a sensing pattern for implementing a touch sensor, and thus requires characteristics such as high heat resistance and chemical resistance.
  • a transparent electrode is formed on the board
  • the flexible touch screen panel should use a thin and flexible substrate, there is a problem that it is difficult to form a transparent electrode on such a flexible substrate.
  • a method of coating a resin on a support to form a transparent electrode on the resin coating layer and peeling the resin coating layer from the support has been proposed, but there is a problem in that peeling of the cured resin is not easy.
  • Korean Patent Publication No. 2012-133848 discloses a flexible touch screen panel, but has not suggested an alternative to the problem.
  • An object of this invention is to provide the film touch sensor manufacturing method and manufacturing apparatus which can suppress a crack generation.
  • an object of the present invention is to provide a film touch sensor manufacturing method and manufacturing apparatus capable of manufacturing a continuous film touch sensor to improve the process efficiency.
  • Peeling the laminate from the substrate by applying a force to an end portion of the laminate while the supporting force is maintained.
  • the holding force is maintained on the laminate is 0.1 to 100N / 25mm, film touch sensor manufacturing method.
  • the force applied to the end of the laminate is applied to the laminate to form a predetermined angle with respect to the conveying direction, film touch sensor manufacturing method.
  • the force applied to the end is 0.1 to 50N / 25mm, film touch sensor manufacturing method.
  • the force applied to the end is greater than the adhesive force of the substrate and the laminate, film touch sensor manufacturing method.
  • the laminate is a separation layer; A first protective layer on the separation layer; And an electrode pattern layer positioned on the first protective layer.
  • the laminate further comprises a second protective layer located on the electrode pattern layer, film touch sensor manufacturing method.
  • the electrode pattern layer is indium tin oxide (ITO), indium zinc oxide (IZO), zinc oxide (ZnO), indium zinc oxide (IZTO), cadmium tin oxide (CTO), poly (3.4-ethylenedioxythiophene) (PEDOT), carbon nanotubes (CNT), metal wire, and a conductive pattern formed of at least one selected from the group consisting of a metal mesh.
  • ITO indium tin oxide
  • IZO indium zinc oxide
  • ZnO zinc oxide
  • IZTO indium zinc oxide
  • CTO cadmium tin oxide
  • PEDOT poly (3.4-ethylenedioxythiophene)
  • CNT carbon nanotubes
  • metal wire and a conductive pattern formed of at least one selected from the group consisting of a metal mesh.
  • a transfer unit for transferring the laminate formed on the substrate
  • a cylindrical roll part configured to apply pressure to the laminate to form a constant bearing force in a direction perpendicular to the conveying direction to a portion spaced from the end of the laminate by a predetermined distance
  • a peeling part for applying a force to an end portion of the laminate in a state where the supporting force is maintained to separate the laminate from the substrate.
  • the radius of curvature of the cylindrical roll portion is 5 to 200mm, film touch sensor manufacturing apparatus.
  • the force applied to the end of the laminate is applied to the laminate to form a predetermined angle with respect to the conveying direction, film touch sensor manufacturing apparatus.
  • the laminate peeled off the substrate is transported along the outer circumferential surface of the cylindrical roll from the point of peeling to a point reaching a predetermined angle, film touch sensor manufacturing apparatus.
  • the apparatus of claim 14 further comprising a laminating roll unit for bonding the optical film on the laminate, located in front of the cylindrical roll portion.
  • the peeling unit includes a winding roll unit for peeling and winding the laminate from a substrate by applying a predetermined tension to the laminate.
  • the laminate is a separation layer; A first protective layer on the separation layer; And an electrode pattern layer positioned on the first protective layer.
  • the laminate further comprises a second protective layer located on the electrode pattern layer.
  • the film touch sensor manufacturing method of the present invention prevents film touch sensor crack generation and enables continuous film touch sensor manufacturing to improve process efficiency.
  • the film touch sensor manufacturing apparatus of the present invention includes a cylindrical roll portion for forming a constant support force, thereby reducing the occurrence of cracks when the film touch sensor is peeled off from the carrier substrate to produce a film touch sensor with excellent durability.
  • the film touch sensor manufacturing apparatus of the present invention can be a continuous process including a roll-to-roll process to improve the productivity.
  • FIG. 1 is a schematic cross-sectional view of a film touch sensor manufacturing apparatus according to an embodiment of the present invention.
  • Figure 2 schematically shows a cross section of the film touch sensor manufacturing apparatus according to another embodiment of the present invention.
  • FIG 3 is a schematic cross-sectional view of a laminate according to one embodiment of the invention.
  • FIG. 4 is a schematic cross-sectional view of a laminate according to another embodiment of the present invention.
  • the present invention relates to a method and a device for manufacturing a film touch sensor, and more particularly, by applying pressure to a laminate formed on a substrate to be transferred, perpendicular to a conveying direction to a portion spaced a predetermined distance from an end of the laminate. Maintaining a constant bearing force in the direction; And peeling the laminate from the substrate by applying a force to an end portion of the laminate while the above supporting force is maintained, thereby reducing the occurrence of cracks in manufacturing the thin film type touch sensor and improving the durability of the film touch sensor.
  • a manufacturing method and a film touch sensor manufacturing apparatus in which the method is implemented.
  • Flexible displays are used to be folded, bent, or rolled, so they must be light, thin, impact resistant and free to bend.
  • the flexible substrate used for the flexible display is subjected to excessive external bending stress, there is a problem that cracks occur in the bent portion.
  • the method of manufacturing a film touch sensor of the present invention applies a pressure to the laminate formed on the substrate to be transported to maintain a constant supporting force on the laminate, thereby peeling off the substrate to produce the film touch sensor, thereby producing a thin film of the substrate and the laminate. Peeling force is evenly transmitted to the back surface to prevent cracking.
  • Method of manufacturing a film touch sensor of the present invention by applying a pressure to the laminate formed on the substrate to be transported to maintain a constant bearing force in the direction perpendicular to the conveying direction to the portion spaced by a predetermined distance from the end of the laminate ; And peeling the laminate from the substrate by applying a force to an end portion of the laminate while the supporting force is maintained.
  • the film touch sensor manufacturing method of the present invention is applied to the laminate formed on the substrate to be conveyed to maintain a constant bearing force in the direction perpendicular to the conveying direction to the part spaced apart by a predetermined distance from the end of the laminate It includes a step.
  • the direction perpendicular to the conveying direction includes not only a bearing force applied to the conveying direction of the stack by mathematically 90 °, but also includes an angular range that can be viewed as a process error, and maintains a constant bearing force.
  • the concept includes angles.
  • Any member capable of applying a constant force to the laminate may be used to generate a bearing force without particular limitation, and specifically, for example, a cylindrical roll having a predetermined radius of curvature capable of generating a constant force may be used.
  • the contact force can be generated by the contact.
  • the radius of curvature of the cylindrical roll can be adjusted according to the thickness of the laminate.
  • the holding force maintained in the laminate may be 0.1 to 100 N / 25 mm, preferably 0.5 to 50 N / 25 mm. If the supporting force held in the laminate is less than 0.1N / 25mm, there may be a problem that the cylindrical roll may be lifted by the force applied to the end of the laminate, and in the case of more than 100N / 25mm, the optical film or the laminate There may be a problem in which the electrode pattern layer may be damaged.
  • the film touch sensor manufacturing method of the present invention includes the step of peeling the laminate from the substrate by applying a force to the end of the laminate in a state of maintaining a constant supporting force.
  • the peeling of the laminate is performed in a state in which a constant supporting force is maintained, so that the peeling force is evenly transmitted to the peeling surface of the substrate and the laminate, so that cracking is suppressed at the time of peeling.
  • peeling occurs at a point at which the bearing force (pressure) by the cylindrical roll is released, and the laminated body peeled in the direction in which the peeling force is applied is predetermined along the outer circumferential surface of the roll. Since it is conveyed by a distance, the peeling point and the transport trajectory after peeling become the same, so that the peeling force can be evenly transmitted.
  • the force applied to the ends of the stack may be applied to the stack to form a predetermined angle with respect to the conveying direction.
  • the predetermined angle may be for example 1 to 180 degrees, preferably 5 to 90 degrees. If the angle is less than 1 °, there may be a problem that the force applied to the optical film is too large to maintain the force applied to the end of the laminate, such that the optical film is stretched or damaged, and if the angle is greater than 180 ° There may be a problem in that the composition of the economy is inferior.
  • the force applied to the end of the laminate may vary depending on the adhesion of the substrate and the laminate, the strength of the optical film, for example, may be 0.1 to 50N / 25mm, preferably 0.2 to 30N / 25mm. . If the force applied to the end is less than 0.1N / 25mm there may be a problem that the laminate is not peeled off smoothly from the substrate, if it is more than 50N / 25mm there may be a problem that the optical film is stretched or damaged.
  • the force applied to the ends of the laminate to peel the laminate from the substrate may be greater than the adhesion of the substrate and the laminate.
  • the film touch sensor manufacturing method of this invention may further include the step of winding up the peeled laminated body in roll form.
  • a method of winding up the peeled laminate in the form of a roll a known method in the art can be used without limitation, and for example, the peeled laminate can be wound up using a winding roll.
  • the peeled laminate By winding the peeled laminate, which is the final product, in the form of a roll, it is possible to manufacture a continuous film touch sensor, thereby improving process efficiency.
  • the method of manufacturing a touch sensor film of the present invention may further include bonding an additional optical film on the laminate before applying a support force (pressure) for peeling.
  • a support force pressure
  • Bonding of the optical film can be performed, for example, further comprising a laminating roll.
  • the method for manufacturing a film touch sensor of the present invention supports the laminate with the support force in the step of maintaining a constant support force according to the present invention, at the same time the incoming optical film on the laminate It may further comprise the step of bonding to.
  • a transparent film made of a material widely used in the art may be used without limitation, and for example, a cellulose ester such as cellulose triacetate, cellulose propionate, cellulose butyrate, cellulose acetate propionate , And nitrocellulose), polyimide, polycarbonate, polyester (e.g. polyethylene terephthalate, polyethylene naphthalate, poly-1,4-cyclohexanedimethylene terephthalate, polyethylene 1,2-diphenoxyethane-4, 4 ⁇ -dicarboxylate and polybutylene terephthalate, polystyrene (e.g. syndiotactic polystyrene), polyolefins (e.g.
  • polypropylene polyethylene and polymethylpentene
  • polysulfones polyether sulfones
  • polyarylenes Polyether-imide, polymethyl methacrylate, polyether ketone, poly It may be a polyvinyl alcohol and polyvinyl film made of a single or a mixture selected from the group consisting of chloride.
  • the optical film may be an isotropic film or a retardation film.
  • the thickness direction retardation (Rth, Rth [(nx + ny) / 2-nz] xd) is preferably -90 nm to +75 nm, preferably -80 nm to +60 nm, particularly -70 nm to +45 nm. desirable.
  • Retardation film is a film manufactured by the method of uniaxial stretching, biaxial stretching, polymer coating, liquid crystal coating of a polymer film, and is generally used for improving and controlling optical properties such as viewing angle compensation, color improvement, light leakage improvement, and color taste adjustment of a display. do.
  • a polarizing plate can also be used as an optical film.
  • the polarizing plate may be a polarizer protective film is attached to one side or both sides of the polyvinyl alcohol polarizer.
  • a protective film can also be used as an optical film.
  • the protective film may be a protective film having an adhesive layer coated on at least one surface of a film made of a polymer resin, or a film having self-adhesiveness such as polypropylene, and may be used for protecting the touch sensor surface and improving process resolution.
  • the light transmittance of the optical film is preferably 85% or more, and more preferably 90% or more. Moreover, it is preferable that all the haze values measured according to JISK7136 are 10% or less, and, as for the said optical film, it is more preferable that it is 7% or less.
  • the thickness of the said optical film is not restrict
  • the laminate 300 is shown in Figure 3, the separation layer 310; A first protective layer 320 disposed on the separation layer; And an electrode pattern layer 330 positioned on the first passivation layer 320.
  • the separation layer 310 according to the present invention is a layer formed for separation from the substrate.
  • the separation layer 310 may be a polymer organic membrane, for example, a polyimide polymer, a polyvinyl alcohol polymer, a polyamic acid polymer, a polyamide polymer , Polyethylene polymer, polystylene polymer, polynorbornene polymer, phenylmaleimide copolymer polymer, polyazobenzene polymer, polyphenylene phthalamide (polyphenylenephthalamide) polymer, polyester polymer, polymethyl methacrylate polymer, polyarylate polymer, cinnamate polymer, coumarin polymer, It may be made of a polymer such as phthalimidine-based polymer, chalcone-based polymer, aromatic acetylene-based polymer, but One that does not. These can be used individually or in mixture of 2 or more types.
  • the thickness of the separation layer 310 is preferably 0.05 to 1 ⁇ m, but is not limited thereto.
  • the separation layer 310 is easily peeled from the substrate, and the peeling force with respect to the substrate among the materials is 1N / 25mm or less, more preferably with respect to the substrate so that the separation layer 310 is not peeled from the first protective layer to be described later. It is preferable to be made of a material having a peel force of 0.1 N / 25 mm or less.
  • the substrate 600 may be used without particular limitation as long as it provides a suitable strength so that the substrate 600 may be fixed without being easily bent or twisted during the process and has little influence on heat or chemical treatment.
  • glass, quartz, silicon wafers, sus etc. may be used, preferably glass may be used.
  • the first protective layer 320 serves as a substrate on which the electrode pattern layer is formed, and is disposed on the separation layer to serve as a passivation layer for the electrode pattern layer and to prevent contamination of the electrode pattern layer. In addition, it serves to insulate the conductive patterns.
  • the thickness of the first protective layer 320 is not particularly limited.
  • the thickness of the first protective layer 320 may be 0.1 to 10 ⁇ m, and preferably 0.5 to 5 ⁇ m.
  • the first protective layer 320 a polymer known in the art may be used without limitation, and for example, may be made of an organic insulating layer.
  • the electrode pattern layer 330 according to the present invention is formed on the first protective layer 320.
  • the electrode pattern layer 330 may include a conductive pattern for performing an electrode role, and the conductive pattern may be formed in an appropriate shape according to the requirements of the applied electronic device.
  • the electrode pattern layer 330 may include a conductive pattern for performing an electrode role, and the conductive pattern may be formed in an appropriate shape according to the requirements of the applied electronic device.
  • two types of electrode patterns may be formed, that is, an electrode pattern for detecting x coordinates and an electrode pattern for detecting y coordinates.
  • the electrode pattern layer 330 may be used without limitation as long as it is a conductive material.
  • the unit patterns of the electrode pattern layer 330 may be, for example, a polygonal pattern of, for example, a triangular, tetragonal, pentagonal, hexagonal, or seventh or more polygon independently of each other.
  • the electrode pattern layer 330 may include a regular pattern.
  • a regular pattern means that the pattern form has regularity.
  • the unit patterns may include, independently of each other, a mesh shape such as a rectangle or a square, or a pattern like a hexagon.
  • the electrode pattern layer 330 may include an irregular pattern. Irregular pattern means that the shape of the pattern does not have regularity.
  • the electrode pattern layer 330 When the electrode pattern layer 330 is formed of a material such as metal nanowires, carbon-based materials, polymer materials, or the like, the electrode pattern layer may have a network structure.
  • the electrode pattern layer 330 may be formed by a method commonly performed in the art.
  • the electrode pattern layer 330 may be formed by applying a conductive compound on the first protective layer.
  • the film forming step may be formed by various thin film deposition techniques, such as physical vapor deposition (PVD), chemical vapor deposition (Chemical VaporDeposition, CVD).
  • PVD physical vapor deposition
  • CVD chemical vapor deposition
  • it may be formed by reactive sputtering, which is one example of a physical vapor deposition method, but is not limited thereto.
  • a step of forming a photoresist layer on an upper surface of the conductive compound film may be performed.
  • the photosensitive resin composition for forming the photoresist layer is not particularly limited, and a photosensitive resin composition commonly used in the art may be used.
  • Ultraviolet rays are irradiated (exposure) through a mask for forming a target pattern on the photoresist layer thus obtained.
  • apparatuses such as a mask aligner and a stepper, so that the parallel light beam may be irradiated uniformly to the whole exposure part, and the exact alignment of a mask and a board
  • ultraviolet light is irradiated, the site to which ultraviolet light is irradiated is hardened.
  • G-rays (wavelength: 436 nm), h-rays, i-rays (wavelength: 365 nm) and the like can be used as the ultraviolet rays.
  • the irradiation amount of ultraviolet rays may be appropriately selected as necessary, and the present invention does not limit this.
  • the desired pattern can be obtained when the photoresist layer after hardening is contacted with a developing solution to melt and develop a non-exposed part.
  • the developing method may be any of a liquid addition method, a dipping method, a spray method and the like.
  • the substrate may be tilted at an arbitrary angle.
  • the developer is usually an aqueous solution containing an alkaline compound and a surfactant, and may be used without particular limitation as long as it is commonly used in the art.
  • an etching process may be performed to form a conductive pattern according to the photoresist pattern.
  • the etchant composition used in the etching process is not particularly limited, an etchant composition commonly used in the art may be used, and preferably a hydrogen peroxide-based etchant composition may be used.
  • an electrode pattern layer including a conductive pattern of a desired pattern may be formed.
  • the thickness of the electrode pattern layer 330 according to the present invention is not particularly limited, but is preferably 0.01 to 5 ⁇ m, preferably 0.05 to 0.5 ⁇ m.
  • the laminate 500 according to the present invention may further include a second protective layer 340 positioned on the electrode pattern layer. 4 schematically shows a cross section in such a case.
  • the second protective layer 340 according to the present invention may itself serve as a substrate and a passivation layer. In addition, it is possible to prevent corrosion of the electrode pattern layer and to planarize the surface to suppress generation of microbubbles during adhesion to the base film. In addition, it may serve as an adhesive layer.
  • the base film may be protected at the same time up and down to further improve the crack suppression effect.
  • silicone-based polymers such as polydimethylsiloxane (PDMS), polyorganosiloxane (POS); Polyimide-based polymers; It may be made of a polyurethane-based polymer, but is not limited thereto. These can be used individually or in mixture of 2 or more types.
  • thermosetting or photocurable pressure-sensitive adhesive or adhesive known in the art may be used without limitation.
  • thermosetting or photocurable adhesives or adhesives such as polyester type, polyether type, urethane type, epoxy type, silicone type, and acryl type, can be used.
  • the same material as that of the first protective layer may be used as the second protective layer 340.
  • the thickness of the second protective layer 340 may be the same as the thickness of the first protective layer described above.
  • Figures 1 to 3 schematically shows a cross-sectional view of the film touch sensor manufacturing apparatus (100,200) according to an embodiment of the present invention.
  • Film touch sensor manufacturing apparatus of the present invention transfer unit 110; Cylindrical roll portion 120; And a peeling part 140, by applying pressure to the laminate formed on the substrate to be transported to maintain a constant supporting force on the laminate, thereby separating the laminate from the substrate and manufacturing the film touch sensor. Peeling force is evenly transmitted to the peeling surface of the sieve to prevent cracking.
  • the transfer unit 110 is a member that transfers the stack 400 formed on the substrate 600 in a predetermined direction.
  • the conveying unit 110 may include a conveying roll 110a and a conveyor belt 110b, and the conveying roll 110a may be provided in plurality under the conveyor belt 110b.
  • the stack 400 may include the above-described structure, and the transfer unit 110 may transfer the stack 400 formed on the substrate 600 at a constant speed, for example, at a speed of 0.1 to 50 m / min. Can be.
  • the cylindrical roll part 120 applies a pressure to the laminated body 400 transferred from the conveying part 110 and is spaced apart from the end of the laminated body 400 by a predetermined distance.
  • the cylindrical roll part 120 has a constant radius of curvature, when the laminated body having passed through the roll is peeled off along the outer circumferential surface of the roll, the cylindrical roll part 120 has the same peeling position, thereby suppressing cracking during film touch sensor manufacturing.
  • the radius of curvature of the cylindrical roll portion 120 may be 5 to 200mm, preferably 10 to 150mm. If the radius of curvature is less than 5mm, as the radius of curvature increases, the stress applied to the laminate increases, or the shaft of the cylindrical roll portion is deformed by the bearing force, so that the bearing force may not be transmitted uniformly, and thus cracks may occur during peeling. , If the radius of curvature is more than 200mm may increase the manufacturing cost of the cylindrical roll portion may have a problem of low economic efficiency.
  • the film touch sensor manufacturing apparatus of the present invention may further include a support roll 130 on the opposite side of the cylindrical roll portion 120 to maintain a constant support force.
  • the film touch sensor manufacturing apparatus of the present invention may further include a lining roll unit 150 in front of the cylindrical roll unit 120, as shown in FIG.
  • the additional optical film 700 required on the laminate 400 conveyed by the laminating roll unit 150 may be bonded.
  • the optical film 700 may be a protective film coated with the adhesive layer 800 as described above.
  • the optical film 700 may apply an adhesive on the laminate 400. Can be joined by mediation.
  • the optical film 700 By bonding the optical film 700 to the upper surface of the laminate 400, the surface of the film touch sensor can be protected and processability can be improved.
  • the optical film can use the same thing as mentioned above.
  • the film touch sensor manufacturing apparatus of the present invention as shown in Figure 1, the cylindrical roll portion 120 is not provided with a separate laminating roll portion to support the stack 400 with a supporting force And the optical film 700 introduced at the same time may be bonded onto the laminate 400.
  • the peeling unit 140 applies a force to an end of the stack 400 to separate the stack 400 from the substrate 600 to finally manufacture the film touch sensor. do.
  • the peeling unit 140 exerts a force greater than the adhesive force between the substrate and the laminate to the end of the laminate to peel off the laminate from the substrate, wherein a constant support force is maintained at a portion spaced a predetermined distance from the end of the laminate. Since the peeling is performed at, the peeling force is evenly transmitted and maintained on the peeling surface of the substrate and the laminate to suppress cracking during peeling.
  • the force exerted on the end of the stack at the exfoliation may be tension, the magnitude of which may be equal to the magnitude of the force described above.
  • the force applied to the end of the laminate at the peeling portion may be applied to the laminate so as to form a predetermined angle with respect to the conveying direction, which may be the same as the aforementioned angle.
  • the laminate 400 peeled from the substrate 600 may be transported along the outer circumferential surface of the cylindrical roll from the peeled point to the point reaching the angle.
  • the peeling unit 140 may include a winding roll unit for peeling and winding the laminate from the substrate by applying a predetermined tension to the laminate.
  • a winding roll unit for peeling and winding the laminate from the substrate by applying a predetermined tension to the laminate.
  • the laminate formed on the substrate may be transferred in a film state, and further comprising means for cutting the film touch sensor manufactured by being positioned in front of or behind the cylindrical roll part 120. Can be.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Position Input By Displaying (AREA)
  • Laminated Bodies (AREA)

Abstract

La présente invention concerne un procédé et un appareil de fabrication d'un capteur tactile à film et, plus spécifiquement, un procédé de fabrication d'un capteur tactile à film et un appareil de fabrication d'un capteur tactile à film dans lequel est mis en œuvre le procédé. Le procédé comprend les étapes suivantes : application d'une pression sur un stratifié formé sur un substrat à transférer de sorte qu'une énergie de support constante est maintenue dans une direction perpendiculaire à la direction du transfert dans une partie séparée de la portion d'extrémité du stratifié d'une distance prédéterminée ; et libération du stratifié du substrat par application d'énergie à la portion d'extrémité du stratifié dans un état où l'énergie de support est maintenue, ce qui permet de réduire considérablement la formation de fissures lors de la fabrication d'un capteur tactile de type à film mince et d'améliorer la durabilité.
PCT/KR2016/002237 2015-03-24 2016-03-07 Procédé et appareil de fabrication d'un capteur tactile à film WO2016153192A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201680016303.XA CN107430462B (zh) 2015-03-24 2016-03-07 用于制造薄膜触控传感器的方法及装置
JP2017549449A JP6535754B2 (ja) 2015-03-24 2016-03-07 フィルムタッチセンサの製造方法および製造装置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2015-0040622 2015-03-24
KR1020150040622A KR101865686B1 (ko) 2015-03-24 2015-03-24 필름 터치 센서 제조 방법 및 제조 장치

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WO2016153192A1 true WO2016153192A1 (fr) 2016-09-29

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TW201640304A (zh) 2016-11-16
CN107430462B (zh) 2020-10-27
TWI674521B (zh) 2019-10-11
CN107430462A (zh) 2017-12-01
JP6535754B2 (ja) 2019-06-26
KR101865686B1 (ko) 2018-06-08
JP2018509718A (ja) 2018-04-05

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