WO2008053782A1 - Procédé et appareil pour fabriquer une feuille lenticulaire - Google Patents

Procédé et appareil pour fabriquer une feuille lenticulaire Download PDF

Info

Publication number
WO2008053782A1
WO2008053782A1 PCT/JP2007/070834 JP2007070834W WO2008053782A1 WO 2008053782 A1 WO2008053782 A1 WO 2008053782A1 JP 2007070834 W JP2007070834 W JP 2007070834W WO 2008053782 A1 WO2008053782 A1 WO 2008053782A1
Authority
WO
WIPO (PCT)
Prior art keywords
lens
lens sheet
protective film
sheet
long
Prior art date
Application number
PCT/JP2007/070834
Other languages
English (en)
Japanese (ja)
Inventor
Daichi Okuno
Original Assignee
Mitsubishi Rayon Co., Ltd.
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.)
Filing date
Publication date
Priority claimed from JP2006296668A external-priority patent/JP2008110591A/ja
Priority claimed from JP2006296669A external-priority patent/JP2008112116A/ja
Priority claimed from JP2006296667A external-priority patent/JP5001627B2/ja
Application filed by Mitsubishi Rayon Co., Ltd. filed Critical Mitsubishi Rayon Co., Ltd.
Publication of WO2008053782A1 publication Critical patent/WO2008053782A1/fr

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B3/00—Simple or compound lenses
    • G02B3/0006—Arrays
    • G02B3/0012—Arrays characterised by the manufacturing method
    • G02B3/0031—Replication or moulding, e.g. hot embossing, UV-casting, injection moulding
    • 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
    • B29C39/00—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
    • B29C39/14—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor for making articles of indefinite length
    • B29C39/18—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor for making articles of indefinite length incorporating preformed parts or layers, e.g. casting around inserts or for coating articles
    • 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
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B3/00—Simple or compound lenses
    • G02B3/0006—Arrays
    • G02B3/0037—Arrays characterized by the distribution or form of lenses
    • G02B3/005—Arrays characterized by the distribution or form of lenses arranged along a single direction only, e.g. lenticular sheets
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
    • G02B6/0023—Means for improving the coupling-in of light from the light source into the light guide provided by one optical element, or plurality thereof, placed between the light guide and the light source, or around the light source
    • G02B6/003—Lens or lenticular sheet or layer
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
    • G02B6/0053—Prismatic sheet or layer; Brightness enhancement element, sheet or layer
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24—Coupling light guides
    • G02B6/26—Optical coupling means
    • G02B6/32—Optical coupling means having lens focusing means positioned between opposed fibre ends
    • G02B6/325—Optical coupling means having lens focusing means positioned between opposed fibre ends comprising a transparent member, e.g. window, protective plate

Definitions

  • the present invention relates to a method for manufacturing a lens sheet, and more particularly to a method for manufacturing a lens sheet for continuously manufacturing a lens sheet having a minute lens portion formed on the surface thereof.
  • a light guide plate or the like of a backlight used in a liquid crystal display device is attached with a lens sheet (prism sheet) in which prismatic microlens portions are continuously formed on one surface.
  • a lens sheet in which prismatic microlens portions are continuously formed on one surface.
  • a long resin raw sheet base sheet
  • an ultraviolet curable resin interposed therebetween
  • the ultraviolet curable resin is applied with ultraviolet rays. It is known to manufacture a long lens sheet having a microlens portion formed on the surface by curing and to cut this long lens sheet into a predetermined length (for example, Patent Document 1). reference).
  • the long lens sheet continuously manufactured in this way has a long protective film formed on the surface and then a long protective film. It is affixed to each of the front surface (lens forming surface) on which the lens part of the sheet is formed and the back surface (mat surface) which is a flat surface.
  • One surface of the protective film is an adhesive surface that is attached to the surface of the lens sheet, and the other surface is a release agent-coated surface on which a release agent is coated.
  • This protective film is also continuously supplied while being unwound from a roll, and is supplied to a continuously manufactured lens sheet and attached to the surface thereof, like the original sheet.
  • Patent Document 1 Japanese Patent Application Laid-Open No. 2002-67058
  • These protective films are for temporarily protecting the lens sheet from scratches, dust, and the like during transportation, storage, and the like. For example, when the lens sheet is incorporated in a backlight of a liquid crystal display device or the like. Remove from the lens sheet by peeling off from the lens sheet surface. Removed.
  • the protective film has the following two requirements.
  • the microlens portion is formed only on one surface, and the other surface is a flat mat surface! / Since the contact area between the protective film and the other surface is different, if the same protective film is applied to one surface and the other surface, the above requirements cannot be met! .
  • the tip of the prism is easily deformed by the nip roll, which is a particular problem.
  • this type of lens sheet is incorporated as an optical component in a liquid crystal display device or the like, if foreign matter adheres, the performance of the incorporated optical component is degraded. It is necessary to avoid adhesion of foreign matter.
  • the present invention has been made in order to cope with such a problem. For each surface of a lens sheet in which a microlens portion is formed only on one surface, during transportation, storage, etc.
  • An object of the present invention is to provide a lens sheet manufacturing method in which a protective film that adheres securely to a lens sheet to protect the lens sheet and that can be easily peeled off from the lens sheet surface when detached from the lens sheet is provided. ! /
  • Another object of the present invention is to provide a method for manufacturing a lens sheet, in which a protective film can be attached to a lens sheet without deforming the microlens portion.
  • a method for manufacturing a lens sheet comprising the step of cutting the long lens sheet into a predetermined length.
  • a film having a strong adhesive force is attached to the lens forming surface side where the contact area with the protective film is reduced depending on the surface shape of the microlens portion formed! Because it is attached, it can be securely attached to each surface of the lens sheet to protect the lens sheet during transportation, storage, etc., and can be easily peeled off from the lens sheet surface when removed from the lens sheet.
  • a protective film will be affixed.
  • the microlens portion is a triangular prism-shaped micropre- Is a rhythm part.
  • the lens sheet further includes a step of bringing a cutting blade into contact with the lens sheet from the lens forming surface side of the lens sheet and cutting the lens sheet,
  • the breaking elongation of the part protective film is smaller than the breaking elongation of the mat surface protective film.
  • the breaking elongation of the lens portion protective film with which the cutting blade first comes into contact is set to be small! /, So the lens portion protective film is stretched by the cutting blade during cutting. While being cut, it is avoided. For this reason, when the lens part protective film is cut while being stretched, it adheres to the lens sheet as a foreign material and deteriorates the performance of the lens sheet.
  • a mat surface protective film affixing step for affixing a mat surface protective film on the other surface of the elongated lens sheet after the lens part protective film affixing step;
  • a lens sheet manufacturing method is provided.
  • the microlens portion is a microprism.
  • the lens part protective film affixing step force The lens part protective film adhesive surface disposed downward is brought into contact with the lens sheet surface of the lens sheet disposed upward, and the lens sheet and With a pair of nip rolls with the lens protection film
  • the pair of nip roll forces comprises an elastic roll whose outer peripheral surface is formed of an elastic member, and a rigid roll whose outer peripheral surface is formed of a highly rigid member,
  • the lens part protective film is disposed between the elastic roll and the lens sheet.
  • a lens sheet manufacturing apparatus for continuously manufacturing a lens sheet having a microlens portion formed on at least one surface
  • a lens forming portion that continuously forms the minute lens portion on the surface of a long original sheet to form a long lens sheet
  • a protective film attaching portion for attaching a long protective film to the lens forming surface; a cutting portion for cutting the long lens sheet into a predetermined length; and the long raw sheet or lens sheet.
  • An antistatic portion that is disposed in a portion that is conveyed along the floor surface, and that prevents charging of the long lens sheet that is conveyed along the floor surface by a conductive member installed on the floor surface.
  • the electrically conductive member installed on the floor surface prevents the lens sheet conveyed along the floor surface from being charged, so that foreign matter does not adhere to the lens sheet from the floor surface. Is prevented.
  • the antistatic portion is disposed between the protective film attaching portion and the cutting portion.
  • the conductive member is a conductive mat. According to another preferable aspect of the present invention, the conductive member is a conductive film.
  • a lens sheet manufacturing method for continuously manufacturing a lens sheet having a microlens portion formed on at least one surface thereof.
  • the microlens portion is continuously formed on the surface of a long raw sheet to form a long lens.
  • a lens sheet manufacturing method comprising: an antistatic step for preventing the charging of the lens sheet.
  • the electrically conductive member installed on the floor surface prevents the lens sheet conveyed along the floor surface from being charged, so that foreign matter does not adhere to the lens sheet from the floor surface. Is prevented.
  • each surface of the lens sheet in which the minute lens portion is formed on only one surface is securely attached to the lens sheet to protect the lens sheet during transportation, storage, and the like.
  • a lens sheet manufacturing method is provided in which a protective film that can be easily peeled off from the lens sheet surface when attached to the lens sheet is attached.
  • a lens sheet manufacturing method capable of attaching a protective film to a lens sheet without deforming the minute lens portion.
  • a lens sheet manufacturing apparatus and a manufacturing method capable of preventing adhesion of foreign matters from a floor surface to a long sheet.
  • FIG. 1 is a schematic drawing showing a schematic configuration of the lens sheet manufacturing apparatus 1.
  • the lens sheet manufacturing apparatus 1 includes a raw film unwinding unit 2, an accumulating unit 4, a polymerization shaping unit 6, from the upstream side to the downstream side of the manufacturing process.
  • the original film unwinding section 2 includes an original film roll 18 in which a long transparent base film, which is a raw material for the lens sheet, is wound into a roll, and is unwound from the original film roll 18.
  • the base film 20 thus formed is configured to be sent to the polymerization shaping section 6 through the accumulation section 4.
  • the accumulator section 4 includes a plurality of accumulator dancer rolls 22, and the tension of the base film 20 sent to the polymerization shaping section 6 is adjusted by moving the plural accumulator dancer rolls 22 up and down. Constructed to do! /
  • the polymerization shaping unit 6 includes a substantially cylindrical lens mold 24, a monomer supply nozzle 26, and an ultraviolet irradiation device 28.
  • a prism row constituting a microlens part is shaped on one surface (front surface) of the base film 20 which is a transparent film sheet.
  • the lens mold 24 is a rotary mold in which a triangular prism mold shape complementary to a micro prism shape molded on the lens sheet is continuously formed on the entire outer peripheral surface thereof. It rotates at a constant rotation speed. Also, a proximity sensor 30 for detecting the rotation period of the lens mold 24 is disposed in the vicinity of the lens mold 24! /.
  • the base film 20 sent to the polymerization shaping section 6 travels in contact with the outer peripheral surface of the rotating lens mold 24.
  • a monomer supply nozzle 26 is disposed upstream of the position where the base film 20 contacts the lens mold 24, and the monomer 32, which is an ultraviolet curable material, is provided between the base film 20 and the lens mold 24. Is supplied.
  • the monomer 32 supplied between the base film 20 and the lens mold 24 is sandwiched between the lens mold 24 and the base film 20 and has a shape corresponding to the prism shape on the surface of the lens mold.
  • An ultraviolet irradiation device 28 is provided at an outer position downstream of the monomer supply nozzle 26 in the rotation direction of the lens mold 24.
  • the monomer 32 having a shape along the prism shape on the surface of the lens mold passes through the front of the ultraviolet irradiation device 28 by the rotation of the lens mold 24 and is cured by being irradiated with the ultraviolet light.
  • the base film 20 becomes a long lens plate 34 having prism-shaped microlens portions formed by curing the monomer 32 on one side (surface).
  • the triangular prism shape of the outer peripheral surface of the lens mold 24 is the lens mold 2. Since it is arranged so as to extend in the direction of the axis of 4, that is, in a direction orthogonal to the conveyance direction of the lens sheet 34, a triangular prism that extends in a direction orthogonal to the conveyance direction of the lens sheet 34 is provided on the surface of the lens sheet 34. A minute lens portion is formed continuously. In this embodiment, the apex angle of the triangular prism portion is set to about 50 to 70 degrees, but is not limited to this.
  • the pitch between adjacent prism portions is set to about 10-60 ⁇ 111.
  • the upper protective film unwinding section 8 includes a biaxial turret 38 for supplying an upper protective fine film (lens protective film) 36, one side of which is an adhesive surface, and the upper protective film 36 as a lens sheet 34. And a pair of nip rolls 40 to be attached to the surface (lens forming surface).
  • the lens sheet 42 with the upper protective film (lens protective film) 36 attached to the lens forming surface is then fed to the nip roll 50 via the first dancer roll 44. It is done.
  • the lower protective film unwinding section 10 is provided with a biaxial shaft similar to the upper protective unwinding section 8 for supplying a lower protective film (mat surface protective film) 46 having one surface as an adhesive surface.
  • a pair of turret 48, the lens sheet 42 and the lower protective film 46 are overlapped and sandwiched, and the lower protective film 46 is affixed to the back surface of the lens sheet 42 on which the minute lens portion is not formed.
  • the lens sheet 52 in which the lower protective film (matte surface protective film) 46 is attached to the mat surface on which the minute lens portion is not formed is the second sheet. It is sent to the continuous feeding section 12 through the dancer roll 54.
  • the lens sheet 52 and the mat surface protective film 36, 46 are attached to both sides and the lens sheet 52 fed from the lower protective film unwinding unit 10 passes through the second dancer roll 54 of the continuous feeding unit 12. , And is supplied to the continuous feed roller 56.
  • the lens sheet 52 is supplied to the intermittent feed roller 60 of the intermittent feed unit 14 via the third dancer roll 58 of the intermittent feed unit 14. Further, the lens sheet 52 is fed to the cutting part 16 by a predetermined length by the intermittent feed roller 60, and cut by the cutter 68 of the cutting part 16 to obtain a lens sheet 64 having a predetermined length (FIG. 2). The lens sheet 64 cut to a predetermined length in this way is sent to the cutting process. In the cutting process, the lens part protective film and the mat surface protective film 36, 46 are affixed to each surface, and the lens sheet 64 cut into a predetermined length is a clicker press machine equipped with a plate-shaped Thomson blade.
  • a cutting blade that moves up and down such as a Thomson blade type, a Pinac Nore blade type, etc., comes into contact with the lens sheet 64 from the side where the microlens part is formed, that is, the lens part protective film 46 side, and cuts.
  • the lens sheet 64 is arranged in a cutting device such as a press machine.
  • FIG. 3 is a drawing schematically showing the configuration of the antistatic portion S.
  • the lens sheet manufacturing apparatus of the present embodiment includes a lower protective film laminating unit 10 and a cutting unit.
  • the lens sheet 52 is transported along the floor surface G between the first and second lenses 16.
  • the lens sheet manufacturing apparatus 1 includes an antistatic portion S in this portion where the lens sheet 52 is conveyed along the floor surface G. As shown in FIG. 3, in the antistatic portion S, a conductive mat M is arranged on the floor surface on which the lens sheet 42 is conveyed in the vicinity.
  • the conductive mat M for example, a soft vinyl chloride film and sheet having conductive coating on both surfaces, or a film and sheet formed of a conductive polymer are used. Specifically, Achilles Black Seiden F (trade name) manufactured by Achilles Corporation, conductive adhesive film ST-SF film (trade name), and the like are used.
  • the distance between the conductive mat and the lens sheet is preferably set to about 10 mm to 200 mm.
  • the nip roll 40 includes an elastic roll 40a whose outer peripheral surface is formed of an elastic member such as rubber, and a rigid roll 40b whose outer peripheral surface is formed of a member having high rigidity such as metal. Power.
  • the lens sheet 34 has a surface 34b on which no microlenses are formed in contact with the rigid roll 40b, and one surface 34a on which microlenses are formed is upward ( It is fed between the elastic roll 40a and the rigid roll 40b while being directed outward.
  • the upper protective film (lens portion protective film) 36 is disposed so that the adhesive surface 36a faces downward (outward), and contacts the surface 34a of the lens sheet 34 on which the microlens portion is formed.
  • the surface 36b opposite to the adhesive surface 36a is brought into contact with the coasting roll 40a so as to be fed between the elastic roll 40a and the lens sheet 34.
  • the adhesive surface 36a of the upper protective film (lens portion protective film) 36 is formed on the surface 34a on which the minute lens portion of the lens sheet 34 is formed.
  • the elastic roll 40a is sandwiched between the rigid roll 40b, and the upper protective film (lens part protective film) 36 is attached to the surface 34a of the lens sheet 34 on which the minute lens part is formed.
  • the surface 34a of the lens sheet 34 on which the microlens portion is formed comes into contact with the elastic roll 40a via the upper protective film (lens protective film) 36. Will not be deformed or damaged.
  • the nip roll 50 of the unwinding unit 10 includes an elastic roll 50a whose outer peripheral surface is formed of an elastic member such as rubber, and a rigid roll 5 Ob whose outer peripheral surface is formed of a member having high rigidity such as metal. Power.
  • the lens sheet 34 is formed with a minute lens portion and a surface to which the upper protective film (lens portion protective film) 36 is attached is in contact with the elastic roll 50a to form the minute lens portion. Not in surface force S, in contact with the rigid roll 50b via the lower protective film 46, it is fed into the nip roll 50, and the lower protective film 46 is affixed to the surface (matte surface) where the micro lens part is not formed. Attached.
  • the upper protective film (lens portion protective film) 36 contacts the rigid opening 40b or 50b, and the mat surface of the lens sheet 34 or the lower protective film 46 The structure which touches may be sufficient.
  • the lens portion protective film and the mat surface protective film 36, 46 are formed on one surface of a special polyolefin base material having a thickness of 40 to 50 m on a natural rubber having a thickness of 2 to 3 m. It has a structure in which an adhesive layer of synthetic glue or synthetic rubber glue is placed
  • the surface of the lens sheet 34 on which the minute lens portion is formed is formed
  • the upper protective film (lens portion protective film) 36 to which the (surface) is attached is higher in adhesiveness than the lower protective film (mat surface protective film) 46 to be attached to the mat surface side.
  • the adhesive strength on both the lens side and the mat side is preferably 10mN / 20mm or more and 100mN / 20mm or less.
  • an elongated test piece is created by cutting the lens sheet with the protective film pasted on both sides.
  • the width of the test piece is 20mm, and it is preferable to have an adhesive force that requires a force of 10 to lOOmN when peeling off the protective film at a specified speed (30 Omm / min).
  • the adhesive strength of the protective film of the lens sheet 64 manufactured by the lens sheet manufacturing method of the present embodiment is tested by the following test, for example.
  • the lens sheet 64 with the protective films 36 and 46 attached on both sides is cut to a width of 20 mm to produce a long and thin test piece 70.
  • the test piece 70 is vertically arranged and fixed, and a 10 g weight G is connected to the upper end of the protective film 36 (or 46) on either side of the test piece 70 (FIG. 5).
  • the protective film 36 or 46 When the hand is released from the weight G in this state, the protective film 36 or 46) is peeled off from the lens sheet 52 by the force applied to the weight G. If the protective film 36 (or 46), which prevents the weight G from stopping halfway, is completely removed from the lens sheet 52, it is determined that the adhesive force of the protective film 36 (or 46) is not too great.
  • the minute lens portion of the lens sheet 34 is formed!
  • the upper protective film (lens protective film) 36 to which the lens forming surface is attached has a smaller breaking elongation than the lower protective film (matte protective film) 46 to be attached to the mat surface. It has been done.
  • the difference in breaking elongation between the lens portion protective film and the mat surface protective film is preferably 50% or more, and the breaking strength of the lens portion protective film is 150 to 250%.
  • the degree is more preferably 400 to 650%. It is desirable to use a protective film having an elongation of 400 to 650%.
  • the breaking elongation of the lens part protective film 46 that the cutting blade first contacts in the cutting process is set to be small, the lens part protective film 46 is cut by the cutting blade at the time of cutting. It is avoided to be cut while being stretched. For this reason, the feather-shaped film piece S generated when it is cut while being stretched, adheres to the lens sheet as a foreign substance, and deteriorates the performance of the lens sheet.
  • the film sheet 52 is conveyed along the floor surface between the lower protective film laminate portion 10 and the cutting portion 16, and the conductive mat M is disposed on the floor surface G in this section.
  • the raw film unwinding part 2, the accumulating part 4, the polymerization shaping part 6, the upper protective film laminating part 8, the lower protective film laminating part 10, the continuous feeding part 12, the intermittent feeding part 14 there is a section that is transported along the floor surface between each section of the cutting section 16 or in each section, and the conductive mat M is arranged on the floor surface in one or more of the sections. It may be configured.
  • FIG. 1 is a drawing schematically showing a configuration of a lens sheet manufacturing apparatus for performing a lens sheet manufacturing method according to a preferred embodiment of the present invention.
  • FIG. 2 is a perspective view showing a configuration of a lens sheet having a protective film attached and cut to a predetermined length.
  • FIG. 3 is a schematic drawing showing a configuration of an antistatic part according to a preferred embodiment of the present invention.
  • FIG. 4 illustrates an upper protective film attaching process in the lens sheet manufacturing apparatus of FIG. It is a typical enlarged view for.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)

Abstract

Cette invention concerne, par exemple, un procédé de fabrication d'une feuille lenticulaire. Dans ledit procédé, un film de protection, qui est fixé de manière fiable à la feuille lenticulaire durant le transfert, stockage et analogue, peut être facilement séparé de la feuille lenticulaire lorsque ledit film doit être retiré de cette même feuille. Dans le procédé de fabrication d'une feuille lenticulaire, une feuille lenticulaire possédant une partie de micro-lentille prévue sur un de ses côtés est fabriquée de manière continue. Le procédé comprend une étape de formation de lentille pour former de manière continue une partie de micro-lentille sur la surface d'une feuille originale continue (20) afin de former une feuille lenticulaire, une étape d'application de film de protection pour partie de lentille pour appliquer un film de protection (36) pour la partie de lentille à la surface de la feuille lenticulaire, une étape d'application de film de protection de face mate pour appliquer un film de protection de face mate (46) possédant une force adhésive inférieure par rapport au film de protection pour partie de lentille à l'arrière de la feuille lenticulaire, et une étape de découpage de la feuille lenticulaire à une longueur prédéterminée.
PCT/JP2007/070834 2006-10-31 2007-10-25 Procédé et appareil pour fabriquer une feuille lenticulaire WO2008053782A1 (fr)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP2006296668A JP2008110591A (ja) 2006-10-31 2006-10-31 レンズシート製造装置および製造方法
JP2006296669A JP2008112116A (ja) 2006-10-31 2006-10-31 レンズシート製造方法
JP2006-296667 2006-10-31
JP2006-296668 2006-10-31
JP2006-296669 2006-10-31
JP2006296667A JP5001627B2 (ja) 2006-10-31 2006-10-31 レンズシート製造方法

Publications (1)

Publication Number Publication Date
WO2008053782A1 true WO2008053782A1 (fr) 2008-05-08

Family

ID=39344124

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2007/070834 WO2008053782A1 (fr) 2006-10-31 2007-10-25 Procédé et appareil pour fabriquer une feuille lenticulaire

Country Status (3)

Country Link
KR (1) KR20090069184A (fr)
TW (1) TW200824879A (fr)
WO (1) WO2008053782A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013146806A (ja) * 2012-01-18 2013-08-01 Mitsubishi Rayon Co Ltd 導光板の製造方法
WO2019167677A1 (fr) * 2018-02-28 2019-09-06 富士フイルム株式会社 Feuille lenticulaire et article imprimé lenticulaire
US20210213694A1 (en) * 2020-04-15 2021-07-15 Nanjing Bready Electronics Co., Ltd. Light guide film product processing apparatus

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102156013B1 (ko) * 2013-03-28 2020-09-15 미쯔비시 케미컬 주식회사 광학 필름의 제조 방법, 광학 필름, 면발광체 및 광학 필름의 제조 장치

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000080336A (ja) * 1998-09-08 2000-03-21 Nitto Denko Corp 表面保護フィルム
JP2002067058A (ja) * 2000-08-24 2002-03-05 Mitsubishi Rayon Co Ltd 定尺レンズシートの製造方法
JP2002363510A (ja) * 2001-06-06 2002-12-18 Hitachi Chem Co Ltd 光学シート保護用粘着フィルム

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000080336A (ja) * 1998-09-08 2000-03-21 Nitto Denko Corp 表面保護フィルム
JP2002067058A (ja) * 2000-08-24 2002-03-05 Mitsubishi Rayon Co Ltd 定尺レンズシートの製造方法
JP2002363510A (ja) * 2001-06-06 2002-12-18 Hitachi Chem Co Ltd 光学シート保護用粘着フィルム

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013146806A (ja) * 2012-01-18 2013-08-01 Mitsubishi Rayon Co Ltd 導光板の製造方法
WO2019167677A1 (fr) * 2018-02-28 2019-09-06 富士フイルム株式会社 Feuille lenticulaire et article imprimé lenticulaire
US20210213694A1 (en) * 2020-04-15 2021-07-15 Nanjing Bready Electronics Co., Ltd. Light guide film product processing apparatus
US11806957B2 (en) * 2020-04-15 2023-11-07 Nanjing Bready Electronics Co., Ltd. Light guide film product processing apparatus

Also Published As

Publication number Publication date
KR20090069184A (ko) 2009-06-29
TW200824879A (en) 2008-06-16

Similar Documents

Publication Publication Date Title
TWI589507B (zh) 用於應用處理片至連續玻璃帶的方法及裝置
KR101625250B1 (ko) 필름 박리 방법, 광학 필름의 제조 방법, 필름 박리 기구 및 광학 필름 제조 장치
JP4861873B2 (ja) フイルム搬送装置及びフイルム搬送方法
JP4342829B2 (ja) 光学フィルム貼付装置、方法及び基板
TW201207470A (en) Method and apparatus for continuous fabrication of liquid crystal display element
CN102741140A (zh) 膜剥离装置
WO2008053782A1 (fr) Procédé et appareil pour fabriquer une feuille lenticulaire
KR20190073283A (ko) 매엽 필름의 제조 방법
US20110100539A1 (en) Adhesive Label, Adhesive Label Roll, Photosensitive Web Unit, and Apparatus for and Method of Manufacturing Photosensitive Laminated Body
KR20080050440A (ko) 웹 부착 방법
KR101588427B1 (ko) 내층 패턴 필름 제조 장치
JP5284844B2 (ja) ロール状金型を用いた光学シートの製造方法
JP2005306604A (ja) フイルム剥離装置
JP3740887B2 (ja) 蛇行防止ガイド及びエンドレスベルト
JP5001627B2 (ja) レンズシート製造方法
JP2009163150A (ja) 光学シート積層体およびバックライトユニットの製造方法、該製造方法で得られる光学シート積層体およびバックライトユニット、および光学シート積層装置
KR100820222B1 (ko) 접착 라벨, 접착 라벨 롤, 감광성 웹 유닛, 및 감광성적층체의 제조 장치와 제조 방법
JP2008112116A (ja) レンズシート製造方法
JP2848224B2 (ja) 蛇行防止ガイド
CN211764075U (zh) 一种薄膜分离装置和贴膜机
JP5927533B2 (ja) 機能シート貼付装置における機能シート不良部分の廃棄方法
JP7192753B2 (ja) ガラスロール
JPH11254550A (ja) 光学部材
JP2008110591A (ja) レンズシート製造装置および製造方法
JP2005060197A (ja) 養生膜貼付け装置及び養生膜貼付け方法

Legal Events

Date Code Title Description
WWE Wipo information: entry into national phase

Ref document number: 200780039613.4

Country of ref document: CN

121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 07830568

Country of ref document: EP

Kind code of ref document: A1

WWE Wipo information: entry into national phase

Ref document number: 1020097008819

Country of ref document: KR

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 07830568

Country of ref document: EP

Kind code of ref document: A1