CN107076913B - Polarize coiled sheet - Google Patents
Polarize coiled sheet Download PDFInfo
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- CN107076913B CN107076913B CN201580055963.4A CN201580055963A CN107076913B CN 107076913 B CN107076913 B CN 107076913B CN 201580055963 A CN201580055963 A CN 201580055963A CN 107076913 B CN107076913 B CN 107076913B
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- protrusion
- polarization plates
- core
- film
- polarization
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Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/30—Polarising elements
- G02B5/3025—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state
- G02B5/3033—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state in the form of a thin sheet or foil, e.g. Polaroid
-
- 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
- B32B1/00—Layered products having a non-planar shape
- B32B1/08—Tubular products
-
- 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
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/02—Physical, chemical or physicochemical properties
- B32B7/023—Optical properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
- B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
- B65H75/04—Kinds or types
- B65H75/08—Kinds or types of circular or polygonal cross-section
- B65H75/10—Kinds or types of circular or polygonal cross-section without flanges, e.g. cop tubes
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/30—Polarising elements
-
- 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
- B32B2307/00—Properties of the layers or laminate
- B32B2307/40—Properties of the layers or laminate having particular optical properties
- B32B2307/42—Polarizing, birefringent, filtering
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Polarising Elements (AREA)
- Storage Of Web-Like Or Filamentary Materials (AREA)
- Laminated Bodies (AREA)
Abstract
The present invention provides a kind of polarization coiled sheet comprising: core has the first protrusion and the second protrusion circumferentially extended in outer peripheral surface；And polarization plates; it is wound in the core; the protective film that polarization plates have polarizing film and are laminated in at least one side of the polarizing film, polarization plates are located on the first protrusion with the one end region in the width direction of protective film and the other end region is located at the mode on the second protrusion and is wound in core.
Description
Technical field
The present invention relates to the polarization plates of strip are wound in made of core to polarize coiled sheet.
Background technique
Polarization plates are widely used in the display devices such as liquid crystal display device, especially various shiftings as smart phone in recent years
Dynamic equipment.As polarization plates, the polarization plates of the structure of protective film are usually fitted in the one or two sides of polarizing film, with to
The filming of the polarizing film, protective film that constitute polarization plates is increasingly pursued in the development of the application of mobile device.
The manufacture of polarization plates generallys use so-called roll-to-roll mode to carry out: the raw material film of strip (band-like) is used, from
Raw material film roll is taken in volume obtained from core (winding core) and rolls out raw material film, and simultaneously the raw material film rolled out is implemented to add
Work and the polarization plates for forming strip (band-like), obtained polarization plates are batched and form volume in core.Therefore, polarization plates are usual
(such as Japanese Unexamined Patent Publication 2013-029754 public affairs are obtained as the polarization plates of strip are batched made of core polarization coiled sheet
It reports (patent document 1)).
Citation
Patent document
Patent document 1: Japanese Unexamined Patent Publication 2013-029754 bulletin
Summary of the invention
Problems to be solved by the invention
As described above, polarization plates are manufactured usually in the form of polarizing coiled sheet.Such as with a length of 2000m of the film of polarization plates,
In case where the diameter of core is 150mm φ, then the winding times of polarization plates can reach 4000 times or so.
As polarization coiled sheet, the polarization plates that are manufactured further are bonded other films or form coat being provided to
Etc. before subsequent handlings during or such a certain continuous period during being conveyed to supply object, mostly with web-like
State is kept.
It is referred to as however, the polarization plates being unwrapped after a certain continuous period is kept with volume state exist to be easy to be accompanied by
The problem of unfavorable condition as " winding strip flaw ".Polarizing film, the protective film for constituting polarization plates are thinner, then the problem is more aobvious
It writes.Referring to Fig. 7, " winding strip flaw " refers to that the polarization plates of winding are crimped on winding starting end and core in polarization plates
The difference of height generated between outer peripheral surface i.e. step part and generate along polarization plates width direction extend striated it is recessed
Enter defect.Polarization is batched after the winding starting end of polarization plates is fixed on core using fixing component as double faced adhesive tape
In the case where plate, winding strip flaw is especially pronounced.As shown in fig. 7, winding strip flaw includes by the winding of polarization plates
Defect K caused by corner (the short side angle of end) at end1It (is produced due to corner at the winding starting end for being crimped on polarization plates
Raw defect), it further include the defect K as caused by the corner of the fixing component in the case where stating fixing component in use2(because
The defect for being crimped on the corner of fixing component and generating).
Winding strip flaw significantly results from the polarization plates (polarization at winding beginning initial stage of the inside in polarization coiled sheet
Plate), then defect is slighter for the outside more in polarization coiled sheet, it is possible to several in the long side direction from the winding of polarization plates
Ten meters generate.It will include to wind the polarization plates of strip flaw applied to image display device as liquid crystal display device
In the case of, visibility is likely to decrease, if the polarization plates part with the defect is removed as rejected product, partially
The harvest product rate of vibration plate can be greatly reduced.
Then, the purpose of the present invention is to provide a kind of polarization coiled sheets, and polarization plates by being wound in by the polarization coiled sheet
Core forms, and is able to suppress " the winding strip flaw " confirmed when rolling out polarization plates from the volume.
Solution for solving the problem
The present invention provides polarization coiled sheet as shown below.
[1] a kind of polarization coiled sheet comprising: core, outer peripheral surface have the first protrusion circumferentially extended and
Second protrusion；And polarization plates, it is wound in the core,
The protective film that the polarization plates have polarizing film and are laminated in at least one side of the polarizing film,
The polarization plates are located on first protrusion and another with the one end region in the width direction of the protective film
The mode that one end region is located on second protrusion is wound in the core.
[2] documented by [1] on the basis of polarization coiled sheet, the polarization plates are in the width direction of the polarizing film
One end part is in the position in the inner part of the medial end than first protrusion and the other end is located at than second protrusion
The mode of the position of medial end in the inner part is wound in the core.
[3] documented by [1] or [2] on the basis of polarization coiled sheet, the winding starting end of the polarization plates uses fixation
Component and be fixed on the outer peripheral surface.
[4] on the basis of polarizing coiled sheet documented by any one of [1]~[3], first protrusion and described the
The height of two protrusions is respectively 50 μm or more.
[5] on the basis of polarizing coiled sheet documented by any one of [1]~[4], first protrusion and described the
Two protrusions are made of the resin film for being attached at the outer peripheral surface.
Invention effect
In accordance with the invention it is possible to provide the polarization coiled sheet that can inhibit winding strip flaw.By inhibiting to wind strip flaw,
Product quality, the harvest product rate of polarization plates can be improved.
Detailed description of the invention
Fig. 1 is the schematic diagram for indicating an example of the used core with protrusion of polarization coiled sheet of the invention.
Fig. 2 is the cross-sectional view at the part with the first protrusion of the core shown in FIG. 1 with protrusion.
Fig. 3 be schematically show between the protrusion of the core with protrusion and the polarization plates of winding in the direction of the width
The cross-sectional view of an example of positional relationship.
Fig. 4 be schematically show between the protrusion of the core with protrusion and the polarization plates of winding in the direction of the width
Another cross-sectional view of positional relationship.
Fig. 5 is another cross-sectional view for indicating the core with protrusion.
Fig. 6 is the situation for indicating to be fixed on the winding starting end of polarization plates using fixing component the core with protrusion
Brief diagram.
Fig. 7 is the brief diagram for illustrating to wind strip flaw.
Specific embodiment
Polarization coiled sheet of the invention is as illustrated in Fig. 1 and Fig. 2, as core use outer peripheral surface have along
The core 10 with protrusion of the first protrusion 10a and the second protrusion 10b of circumferentially extending, polarization coiled sheet of the invention is to the band
The core 10 of protrusion winds the polarization plates of scroll state made of the polarization plates of strip.In the present invention, it " is rolled up to inhibit above-mentioned
Around strip flaw " generation, the one end region in width direction of the polarization plates to constitute the protective film of the polarization plates is located at the
The mode that on one protrusion 10a and the other end region is located on the second protrusion 10b is wound in the core 10 with protrusion.About with convex
Positional relationship in the direction of the width between protrusion 10a, 10b of the core 10 in portion and the polarization plates being wound, in following (3)
Project in be described in detail.
(1) with the core of protrusion
Core 10 with protrusion in addition to have the first protrusion 10a and the second protrusion 10b this point other than, can have with
Toward the same shape of well known core, the main part of the core in addition to these protrusions for example can be cylindric or cylinder
Shape.Material is it is not also specifically limited, can be used metal, alloy, resin (thermoplastic resin etc.).The width of core 10 with protrusion
Length on degree direction (rotary axis direction) is with the width of the width equal extent for the polarization plates being wound or long wider than its
Degree.In the case where the core 10 with protrusion is cylindric or cylindrical shape, diameter can be the common diameter of core, such as
For 100~200mm φ or so.
The setting position for being set to the first protrusion 10a and the second protrusion 10b of the outer peripheral surface of the core 10 with protrusion takes
Certainly in the width for the polarization plates being wound.Specifically, the first protrusion 10a and the second protrusion 10b are on above-mentioned outer peripheral surface
In position different from each other, and so that the one end region constituted in the width direction of the protective film of polarization plates is located at the first protrusion
The mode that 10a is upper and the other end region is located on the second protrusion 10b is configured.As shown in Figure 1, the first protrusion 10a and
Second protrusion 10b is generally disposed at the end regions in the width direction (rotary axis direction) of the core 10 with protrusion (comprising end
Portion) or by the position of close end.
First protrusion 10a and the second protrusion 10b on the outer peripheral surface of the core 10 with protrusion along the volume with protrusion
The mode of the circumferentially extending of core 10 is arranged, it is preferred that with the circumferential direction of the core 10 with protrusion in parallel (along with protrusion
The vertical vertical direction of the rotary axis direction of core 10) extend.As shown in Fig. 2, the first protrusion 10a and the second protrusion 10b are excellent
It is selected as band-like, and complete cycle preferably over the outer peripheral surface of the core 10 with protrusion or about complete cycle ground setting annular in shape.
First protrusion 10a and the second protrusion 10b can be formed integrally with the main part of the core 10 with protrusion,
The other components different from the main part can be used to be formed.It, can as other components are used come the method for forming protrusion
It is formed using enumerating to attach on the outer peripheral surface of the cylindric or cylindric core of the main part as the core 10 with protrusion
The method of the resin film (such as the film strips being made of thermoplastic resin) of first protrusion 10a and the second protrusion 10b.The resin film
It can be to be attached to the outer peripheral surface of core and there is the resin film of adhesive phase in single side.It is pasted according to adhesive is used
The method of attached resin film, then be able to carry out and re-paste, therefore the position of protrusion adjusts or position becomes easy.Pass through tree
Adipose membrane attaching come formed the method for protrusion in terms of the manufacturing cost of the core 10 with protrusion and manufacture simplicity side
Face is also advantageous, in addition, the core 10 with protrusion with sufficient intensity can be obtained.Gluing also can be used in resin film
Agent and the outer peripheral surface for being attached at core.
(2) polarization plates
It is wound in the guarantor that the polarization plates of the core 10 with protrusion have polarizing film and are laminated in at least one side of polarizing film
Cuticula.Protective film can also be laminated on the two sides of polarizing film.Protective film usually fits in polarizing film via gluing oxidant layer.Make
For adhesive, active energy ray-curable adhesive, polyethenol series as ultra-violet solidified adhesive can be used
Water system adhesive as resin aqueous solution.The integral thickness of polarization plates is usually 30~300 μm or so.
As polarizing film, it is preferable to use so that dichroism pigment is adsorbed in the polyvinyl alcohol resin after uniaxial extension simultaneously
The polarizing film being orientated.As dichroism pigment, iodine or dichroic dye can be used.As the poly- second for constituting polarizing film
Enol system resin, can be used the resin after being saponified to polyvinyl acetate system resin.As polyvinyl acetate system tree
Rouge can also exemplify vinyl acetate and can be therewith other than homopolymer, that is, polyvinyl acetate of vinyl acetate
The copolymer of the other monomers of copolymerization.It can be with the other monomers of vinyl acetate copolymerization for example including unsaturated carboxylic acid class, alkene
Hydro carbons, vinyl ethers, unsaturated sulfonic acid class and (methyl) acrylic amide with ammonium.In the present specification, " (first
Base) acrylic acid " refer at least one party selected from acrylic acid and methacrylic acid." (methyl) propylene acyl " is also the same.
The saponification degree of polyvinyl alcohol resin is usually 85~100mol% or so, preferably 98mol% or more.Polyethylene
Alcohol system resin can also be modified, such as also can be used by the modified polyvinyl formal of aldehydes and polyvinyl alcohol contracting
Acetaldehyde etc..The degree of polymerization of polyvinyl alcohol resin is usually 1000~10000 or so, and preferably 1500~5000 or so.
Polarizing film can be manufactured by the method comprised the following steps, and the process refers to: be made by above-mentioned polyvinyl alcohol
It is the process for the blank film uniaxial extension (being typically the longitudinal uniaxial extension carried out along film longitudinal direction) that resin is constituted；It utilizes
Dichroism pigment is dyed to polyvinyl alcohol resin film and the process of adsorbing the dichroism pigment；Utilize boric acid aqueous solution pair
It is adsorbed with the process that the polyvinyl alcohol resin film of dichroism pigment is handled；And it is carried out after the processing of boric acid aqueous solution
The process of washing.The swelling process for implementing the impregnation to water retting can also be set before dyeing processing.
The uniaxial extension of polyvinyl alcohol resin film simultaneously or can contaminated before the dyeing of dichroism pigment, with dyeing
It is carried out after color.After dyeing carry out uniaxial extension in the case where, the uniaxial extension can boric acid processing before or boric acid
It is carried out during processing.Alternatively, it is also possible to carry out uniaxial extension in above-mentioned multiple stages.
The thickness (average thickness on entire width) of polarizing film be, for example, 40 μm hereinafter, preferably 25 μm hereinafter, more excellent
20 μm are selected as hereinafter, especially in the polarization plates of mobile device, from the viewpoint of the slimming of polarization plates, more preferably 10
μm or less.The thickness of polarizing film is usually 2 μm or more.Even if using such thin polarizing film, according to this hair
It is bright, it also can effectively inhibit to wind strip flaw.
The film being made of following substance can be used in the protective film for fitting in polarizing film: (the preferably light with translucency
Learn transparent) thermoplastic resin, such as chain polyolefin-based resins (polypropylene-based resin), cyclic polyolefin hydrocarbon system resin (drop
Bornylene system resin etc.) as polyolefin-based resins；Cellulose esters as cellulosic triacetate, cellulose diacetate
It is resin；Polyester based resin；Polycarbonate-based resin；(methyl) acrylic resin；Polystyrene resin；Or theirs is mixed
Close object, copolymer etc..In the case where being bonded protective film to the two sides of polarizing film, they be can be by resin structure of the same race each other
At protective film, be also possible to the protective film being made of resin not of the same race.
Protective film is also possible to the protective film together with optical function as phase difference film, brightness enhancement film.For example, passing through
So that the film being made of above-mentioned thermoplastic resin is extended (uniaxial extension or twin shaft extension etc.) or forms liquid crystal layer on the film
Deng thus, it is possible to form the phase difference film for being applied arbitrary phase difference value.
As chain polyolefin-based resins, in addition to the homopolymer of chain olefin as polyvinyl resin, acrylic resin
In addition, the copolymer being made of two or more chain olefins can also be enumerated.
Cyclic polyolefin hydrocarbon system resin is the general name for the resin being polymerize using cyclic olefin as polymeric unit.Cyclic polyolefin hydrocarbon system
The concrete example of resin is, for example, the open loop (co) polymer of cyclic olefin, the addition polymer of cyclic olefin, cyclic olefin and second
The copolymer (being typically random copolymer) of chain olefin as alkene, propylene and they by unsaturated carboxylic acid or its
Graft polymers obtained from derivative modified and their hydride etc..Wherein, as cyclic olefin, it is preferred to use make
With the norbornene resin of the orbornene-baseds monomers such as norbornene, polycyclic orbornene-based monomer.
Cellulose esters system resin is the ester of cellulose and fatty acid.The concrete example of cellulose esters system resin includes cellulose iii
Acetic acid esters, cellulose diacetate, cellulose tripropionate, cellulose dipropionate.Alternatively, it is also possible to use their copolymerization
A part substance obtained from the modification of other substituent groups of object, hydroxyl.In these substances, particularly preferred cellulose triacetate
Ester (triacetyl cellulose: TAC).
Polyester based resin is the resin other than above-mentioned cellulose esters system resin with ester bond, usually by polynary carboxylic
The resin that the condensation polymer of acid or derivatives thereof and polyalcohol is constituted.As polybasic carboxylic acid or derivatives thereof, binary carboxylic can be used
Acid or derivatives thereof, such as terephthalic acid (TPA), M-phthalic acid, dimethyl terephthalate (DMT), naphthalene diformic acid dimethyl ester can be enumerated
Deng.As polyalcohol, glycol can be used, such as ethylene glycol, propane diol, butanediol, neopentyl glycol, hexamethylene can be enumerated
Dimethanol etc..
The concrete example of polyester based resin includes polyethylene terephthalate, polybutylene terephthalate (PBT), poly- naphthalene
Naphthalate, polypropylene terephthalate, polytrimethylene naphthalate, gathers at polybutylene naphthalate
Terephthalic acid (TPA) cyclohexane dicarboxylates, poly- naphthalenedicarboxylic acid cyclohexane dicarboxylates.
Polycarbonate-based resin via polymer obtained from carbonate group binding monomer unit by constituting.It is polycarbonate-based
Resin is also possible to carry out polymer backbone such resin, the copolymerization polycarbonate for being referred to as modified polycarbonate of modification
Deng.
(methyl) acrylic resin is the tree with the compound with (methyl) propylene acyl group for main structures alone
Rouge.The concrete example of (methyl) acrylic resin for example, (methyl) acrylate poly- as polymethyl methacrylate；
Methyl methacrylate-(methyl) acrylic copolymer；Methyl methacrylate-(methyl) acrylate copolymer；Methyl-prop
E pioic acid methyl ester-acrylate-(methyl) acrylic copolymer；(methyl) acrylate-styrene copolymer (MS resin etc.)；
Copolymer (such as methyl methacrylate-methacrylic acid of methyl methacrylate and the compound with alicyclic alkyl
Hexamethylene ester copolymer, methyl methacrylate-(methyl) acrylic acid norbornyl ester copolymer etc.).It is preferable to use with poly- (methyl)
(methyl) acrylic acid C poly- as methyl acrylate1-6Arrcostab polymer as main component, more preferable use is with methyl-prop
E pioic acid methyl ester is the methyl methacrylate system resin of main component (50~100 weight %, preferably 70~100 weight %).
The thickness of protective film from the viewpoint of the slimming of polarization plates, preferably 90 μm hereinafter, more preferably 50 μm with
Under, further preferably 30 μm or less.The thickness of protective film is from the viewpoint of intensity and treatability, and usually 5 μm or more.
Even if according to the present invention, also can effectively inhibit to wind strip flaw using the protective film of such film.
Polarization plates are also possible to the polarization plates comprising film, layer other than protective film.The concrete example of film, layer other than protective film
It include: adhesive phase；The isolation film (stripping film) that the outer surface of adhesive phase is protected；The surface of protective film is protected
The protecting film (surface protection film) of shield；For polarization plates to be applied with the surface-treated layer (coating) of various functions；Various optics function
It can film.
As adhesive used in adhesive phase, known adhesive appropriate can be used, such as can enumerate
(methyl) acrylic adhesive, polyurethane series adhesive, silicone-based adhesive, Polyester adhesive, polyamide-based adhesive,
Polyether system adhesive, fluorine system adhesive, elastomeric adhesive etc..Wherein, from the transparency, bonding force, reliability, re-workability etc.
From the perspective of, it is preferable to use (methyl) acrylic adhesive.The thickness of adhesive phase usually can be 1~40 μm (such as 3
~25 μm).
The structural material of isolation film can be polyethylene-based resin as polyethylene, polypropylene-based tree as polypropylene
Polyester based resin as rouge, polyethylene terephthalate etc..Wherein, the preferably extension of polyethylene terephthalate
Film.
As the structural material of protecting film, polyethylene-based resin as polyethylene can be enumerated, poly- third as polypropylene
Polyester based resin as alkene system resin, polyethylene terephthalate etc., wherein from penetrability, the viewpoint of mechanical strength
It sets out, preferably the stretched PTFE film of polyethylene terephthalate.
As surface-treated layer, hard conating, antiglare layer, antireflection layer, antistatic backing, stain-proofing layer can be enumerated.
As optically functional film, can enumerate penetrates certain polarised light and makes to show that the polarised light of property in contrast is anti-
The reflective polarizing film penetrated；There is the film with anti-dazzle function of concaveconvex shape on surface；Belt surface reflects the film for preventing function；?
Surface has the reflectance coating of reflection function；Together with the Transflective film of reflection function and transmission function；Compensation film for angular field of view.
The width for being wound in the polarization plates of the core 10 with protrusion is not particularly limited, usually 300~2500mm or so,
It is 500~2000mm or so for more typical.In addition, the length of polarization plates it is not also specifically limited, usually several hundred rice~
3000m or so (for example, 2000m or so) is 1500~2500m or so for more typical.The width of polarizing film and therewith phase
The width of the protective film of fitting can be the same or different, and make the width of protective film bigger, usually with the width side of protective film
The mode of position to both ends (both ends of the surface) positioned at the width direction both ends (both ends of the surface) than polarizing film in the outer part is bonded guarantor
Cuticula.
(3) positional relationship in the direction of the width between the protrusion of the core with protrusion and the polarization plates of winding
Fig. 3 be schematically show between the protrusion of the core 10 with protrusion and the polarization plates 20 of winding in width direction
On positional relationship an example cross-sectional view.In Fig. 3, as an example, shows and use including polarizing film 21, in the polarizing film
The first protective film 22 for being bonded in 21 one side and polarization plates 20 for the second protective film 23 being bonded on another side the case where,
But it's not limited to that for the layer structure of polarization plates as described above.In addition, Fig. 3 has only intercepted first of the core 10 with protrusion
Protrusion 10a, but content described below with the positional relationship of the second protrusion 10b for being equally applicable.
In polarization coiled sheet of the invention, polarization plates 20 are located at first with the one end region in the width direction of protective film
On the 10a of protrusion and not shown the other end region is located on the second protrusion 10b in Fig. 3 mode is wound in protrusion
Core 10.As the example of Fig. 3, has protective film (the first and second protective film 22,23) on the two sides of polarizing film 21
In the case of, it is wound in a manner of preferably meeting above-mentioned positional relationship by the protective film of two sides.
The one end region of protective film is located on the first protrusion 10a and refers to, in addition to the such protective film of example as shown in Figure 3
The end (T in end face, Fig. 31) be located at other than the situation on the first protrusion 10a, although further including the end T of protective film1It is located at
Than the outboard end T of the first protrusion 10a2The end T of position but protective film in the outer part1It is convex that neighbouring end regions are placed in first
Situation on portion 10a.The end T of protective film1Neighbouring end regions refer to accounts for polarization plates respectively for end
15% region of width.Thereby, it is possible to obtain winding strip flaw inhibitory effect.The end T of protective film1Positioned at the first protrusion
Refer on 10a, end T1Positioned at the outboard end T of the first protrusion 10a2With medial end T3Between (including T1With T2Or T3Unanimously
The case where).In the end T of protective film1Positioned at medial end (end face) T than the first protrusion 10a3The case where position in the inner part
Under, it is difficult to obtain winding strip flaw inhibitory effect.
Strip flaw inhibitory effect is wound in order to obtain, and polarization plates 20 can be as shown in Figure 3 with the width of polarizing film 21
Spend the end T on direction4Positioned at the medial end T than the first protrusion 10a3The mode of position in the inner part is wound in protrusion
Core 10, can also be as shown in Figure 4 with the end T of polarizing film 214Mode on the first protrusion 10a is i.e. with polarizing film
21 end T4Positioned at the outboard end T of the first protrusion 10a2With medial end T3Between (including T1With T2Or T3Unanimous circumstances)
Mode be wound in the core 10 with protrusion.It is preferred that the former.
Width W referring to Fig. 3 and Fig. 4, on being located at of the end regions of protective film (take in) first protrusion 10a2(protection
The overlapping widths of film and the first protrusion 10a) it is preferably 5mm or more, more preferably 10mm or more.If overlapping widths W2It is excessively small,
Then it is not readily available adequately winding strip flaw inhibitory effect.Overlapping widths W2The upper limit be not particularly limited, such as can be with
It is set as 30mm or so.Above-mentioned preferred overlapping widths W in order to obtain2, the width W of the first protrusion 10a1Preferably 5mm or more.It is wide
Spend W1The upper limit be not particularly limited, for example, 100mm.
In order to more effectively obtain winding strip flaw inhibitory effect, the height H of the first protrusion 10a is preferably 50 μm or more.
The upper limit of height H can be 1500 μm (such as 1000 μm).In the case where for example by attaching resin film to form protrusion, such as
Shown in Fig. 5, in order to increase height H, resin film can be overlapped multilayer-wound.Fig. 5 is by the first resin film t1Upper overlapping
Wind the second resin film t2To form the example of the first protrusion 10a.In the case that resin film is overlapped multilayer-wound, preferably make it
Seam it is inconsistent and be staggered as shown in Figure 5.This is because the seam of the connection is likely to become volume if consistent
The reason of around strip flaw.
In the end T of polarizing film 21 as shown in Figure 44In the case where on the first protrusion 10a, in order to more effectively
Obtain winding strip flaw inhibitory effect, preferably with end T4Positioned at the medial end T than the first protrusion 10a3Position in the inner part
The case where compare, keep the height H of the first protrusion 10a lower.That is, the thickness for the polarizing film 21 being located on the first protrusion 10a can increase
Difference of height (the platform of big the reason of becoming winding strip flaw generated between winding starting end and the core outer peripheral surface of polarization plates
Exponent part), therefore the height H of the first protrusion 10a is for example set as 400 μm or less, is further set as 200 μm hereinafter, comparing
For be set as lower height for inhibit winding strip flaw be advantageous.
On the other hand, in the end T of polarizing film 214Positioned at the medial end T than the first protrusion 10a3Position in the inner part
In the case of, in order to more effectively obtain winding strip flaw inhibitory effect, the height H of the first protrusion 10a is preferably set into get Geng Gao, example
150 μm or more are such as preferably set to, is further set as 300 μm or more.
As described above, usually making the width of protective film bigger, with the width direction two-end part of protective film in than polarizing film
The mode of width direction both ends position in the outer part be bonded protective film, referring to Fig. 3, protective film (the first protective film 22 and
Second protective film 23) exceed width W3(from the end T of protective film 22,231To the end T of polarizing film 214Until distance) can
To be set as 1~100mm or so (such as 5~60mm or so).
(4) fixation of the polarization plates winding starting end to the core with protrusion
Polarization plates 20 are batched by rotating the core 10 with protrusion centered on its rotary shaft.At this point, such as Fig. 6 institute
Show, it is preferable to use fixing component 30 (Fig. 6 (a)) is by winding starting end (the long side side of polarization plates 20 before starting to be batched
To starting point) it is fixed on the outer peripheral surface (Fig. 6 (b)) of the core 10 with protrusion.From the viewpoint that can easily fix polarization plates 20
It sets out, as fixing component 30, it is preferable to use double faced adhesive tapes.For example, by as the fixing component 30 of double faced adhesive tape with
The parallel mode of the rotary shaft of core 10 with protrusion is attached at the outer peripheral surface of the core 10 with protrusion, and by the volume of polarization plates 20
The fixation structure is attached in the short side direction of polarization plates 20 mode parallel with the rotary shaft of core 10 with protrusion around starting end
On part 30.By the way that the winding starting end of polarization plates 20 is fixed on the core 10 with protrusion, more particularly to smoothly carry out just
The polarization plates 20 of phase are batched.The winding starting end of polarization plates 20 is being fixed on the core 10 with protrusion using fixing component
In the case of, difference of height (step) is generated between the winding starting end of polarization plates 20 and the outer peripheral surface of the core 10 with protrusion and is held
It is also easy to produce winding strip flaw, but according to the present invention, even if in this case, winding striped also can effectively be inhibited to lack
It falls into.
Embodiment
Hereinafter, showing embodiment and comparative example to be further elaborated with the present invention, the present invention is not limited to these
Example.
<comparative example 1>
The first protective film (40 μ of thickness by being made of triacetyl cellulose (TAC) is continuously made in a manner of roll-to-roll
M) polyvinyl alcohol resin film absorption dichroism pigment after/gluing oxidant layer/longitudinal direction uniaxial extension and polarizing film made of being orientated
The second protective film (40 μm of thickness) that (28 μm of thickness)/gluing oxidant layer/is made of TAC/by extension polyethylene terephthalate
The layer structure for the protecting film (62 μm of thickness) that ester is constituted and the polarization plates of strip formed, and the polarization plates are wound in cylinder
Shape core (no protrusion), has obtained polarization coiled sheet.It is as follows that polarization plates roll the actual conditions in making.It should be noted that polarization
The winding starting end (longitudinal direction starting point) of plate is fixed on the outer peripheral surface of core using 176 μm of thickness of double faced adhesive tape.
(1) cylindric core (no protrusion)
Material: FRP (fiber-reinforced plastic)
Width direction (rotary axis direction) length: 1480mm
Diameter: 167mm φ
(2) polarization plates
The width of protective film: 1330mm
The width of polarizing film: 1270mm
W in Fig. 33: 30mm (both ends are 30mm)
Polarization plates length: about 2000m
Tension when polarization plates are batched: 60N.
<comparative example 2~4>
Tension when in addition to batching polarization plates is set to 100N (comparative example 2), 150N (comparative example 3), 250N and (compares
Example 4) other than this point, other are same with comparative example 1 and have made polarization coiled sheet.
<embodiment 1>
In addition to using with Fig. 1 similarly with the core of protrusion, polarization plates are rolled into the actual conditions in making and set this as follows
Other than a bit, other have made polarization coiled sheet in the same manner as comparative example 1.Polarization plates are to fit in the protective film on the two sides of polarizing film
Width direction on one end region be located at the mode that on the first protrusion and the other end region is located on the second protrusion and carry out
Winding.Wherein, as shown in Figure 3 with the end T of polarizing film 214Positioned at than the first protrusion 10a's and the second protrusion 10b
Medial end T3The mode (polarizing film and the unduplicated mode in protrusion) of position in the inner part is wound.Core with protrusion
The first and second protrusion formed in the following way: as shown in figure 5, core main part outer peripheral surface with throughout substantially
The mode of complete cycle attaches the resin film strip of one fixed width of the single side with adhesive phase, and further in the outer peripheral surface of resin film strip
On by seam be staggered 15mm degree in a manner of throughout substantially having attached to complete cycle same widths of the single side with adhesive phase
Resin film strip.
(1) core with protrusion (main part: cylindric)
Material: FRP (fiber-reinforced plastic)
Width direction (rotary axis direction) length: 1480mm
The diameter of main part: 167mm φ
Width (the W in Fig. 3 of first and second protrusion1): 10mm
The height (H in Fig. 3) of first and second protrusion: 360 μm
(2) polarization plates
The width of protective film: 1330mm
The width of polarizing film: 1270mm
Protective film exceeds the width (W in Fig. 33): 30mm (both ends are 30mm)
Polarization plates length: about 2000m
Tension when polarization plates are batched: 60N
(3) positional relationship of polarization plates and the core with protrusion
Overlapping widths (the W in Fig. 3 of the protective film on two sides and the first and second protrusion2): 10mm
The overlapping widths of polarizing film and the first and second protrusion: 0mm.
<embodiment 2~3>
Other than tension when batching polarization plates is set to this point of 150N (embodiment 2), 250N (embodiment 3),
Other have made polarization coiled sheet similarly to Example 1.
<embodiment 4>
Tension when in addition to batching polarization plates is set as 150N, by three layers of resin film strip overlapping winding and by first and the
The height (H in Fig. 3) of two protrusions is set as other than 540 μm of this points, other have made polarization coiled sheet similarly to Example 1.
<embodiment 5>
In addition to using with Fig. 1 similarly with the core of protrusion, polarization plates are rolled into the actual conditions in making and set this as follows
Other than point, other have made polarization coiled sheet in the same manner as comparative example 1.Polarization plates are to fit in the protective film on the two sides of polarizing film
One end region in width direction is located at the mode that on the first protrusion and the other end region is located on the second protrusion and carries out
Winding.In the present embodiment, as shown in Figure 4, with the one end T in the width direction of polarizing film 214Positioned at the first protrusion
10a is upper and the other end T4Mode in the second convex portion 10b is wound.First of core with protrusion and second
Protrusion passes through as shown in Figure 2 in the outer peripheral surface of core main part to attach single side in a manner of substantially complete cycle with adhesive
The resin film of the one fixed width of layer brings to be formed.
(1) core with protrusion (main part: cylindric)
Material: FRP (fiber-reinforced plastic)
Width direction (rotary axis direction) length: 1480mm
The diameter of main part: 167mm φ
Width (the W in Fig. 4 of first and second protrusion1): 10mm
The height (H in Fig. 4) of first and second protrusion: 360 μm
(2) polarization plates
The width of protective film: 1330mm
The width of polarizing film: 1270mm
Protective film exceeds the width (W in Fig. 33): 30mm (both ends are 30mm)
Polarization plates length: about 2000m
Tension when polarization plates are batched: 250N
(3) positional relationship of polarization plates and the core with protrusion
Overlapping widths (the W in Fig. 4 of the protective film on two sides and the first and second protrusion2): 10mm
Polarizing film and the overlapping widths of the first and second protrusion are (from the end T in Fig. 44To the medial end T of protrusion3
Until distance): 10mm.
<embodiment 6>
Other than the height of the first and second protrusion (H in Fig. 4) to be set as to 180 μm of this points, other and embodiment 5
Polarization coiled sheet is similarly made.
The main manufacturing condition of polarization coiled sheet in Examples 1 to 6 and comparative example 1~4 is summarised in table 1.It will
After the polarization coiled sheet produced is taken care of 15 days in the environment of 25 DEG C of 50%RH, polarization coiled sheet is rolled out, is determined from polarization plates
Wind the generation length of the winding strip flaw started.It shows the result in table 1.
[table 1]
Description of symbols
10 core with protrusion, the first protrusion 10a, the second protrusion 10b, 20 polarization plates, 21 polarizing films, 22 first protections
Film, 23 second protective films, 30 fixing components.
Claims (5)
1. a kind of polarization coiled sheet characterized by comprising
Core has the first protrusion and the second protrusion circumferentially extended in outer peripheral surface；And polarization plates, it is wound in
The core,
The protective film that the polarization plates have polarizing film and are laminated in at least one side of the polarizing film,
The polarization plates are located on first protrusion with the one end region in the width direction of the protective film and the other end
The mode that portion region is located on second protrusion is wound in the core,
The polarization plates are leaned on the one end part in the width direction of the polarizing film in the medial end than first protrusion
The mode that the position and the other end of inside are located at the position than the medial end of second protrusion in the inner part is wound in described
Core.
2. polarization coiled sheet according to claim 1, wherein
The winding starting end of the polarization plates is fixed on the outer peripheral surface using fixing component.
3. polarization coiled sheet according to claim 1, wherein
The height of first protrusion and second protrusion is respectively 50 μm or more.
4. polarization coiled sheet according to claim 2, wherein
The height of first protrusion and second protrusion is respectively 50 μm or more.
5. polarization coiled sheet according to any one of claim 1 to 4, wherein
First protrusion and second protrusion are made of the resin film for being attached at the outer peripheral surface.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014-217573 | 2014-10-24 | ||
| JP2014217573A JP6370190B2 (en) | 2014-10-24 | 2014-10-24 | Polarizing plate roll |
| PCT/JP2015/076642 WO2016063669A1 (en) | 2014-10-24 | 2015-09-18 | Polarizing plate roll |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107076913A CN107076913A (en) | 2017-08-18 |
| CN107076913B true CN107076913B (en) | 2019-06-07 |
Family
ID=55760714
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| Application Number | Title | Priority Date | Filing Date |
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| CN201580055963.4A Active CN107076913B (en) | 2014-10-24 | 2015-09-18 | Polarize coiled sheet |
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| JP (1) | JP6370190B2 (en) |
| KR (1) | KR102281566B1 (en) |
| CN (1) | CN107076913B (en) |
| TW (1) | TWI676828B (en) |
| WO (1) | WO2016063669A1 (en) |
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| JP2018177440A (en) * | 2017-04-11 | 2018-11-15 | 昭和電工パッケージング株式会社 | Winding core and roll shape laminating material |
| JP7463050B2 (en) | 2018-06-05 | 2024-04-08 | 日東電工株式会社 | Manufacturing method of polarizing film roll |
| JP6787974B2 (en) * | 2018-11-06 | 2020-11-18 | 住友化学株式会社 | Method for manufacturing polarizing plate, image display device and polarizing plate |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101334499A (en) * | 2007-06-28 | 2008-12-31 | 西工业株式会社 | Wide polarizing plate and manufacturing method thereof |
| CN101489770A (en) * | 2006-07-18 | 2009-07-22 | 3M创新有限公司 | Calendering process for making an optical film |
| WO2012035837A1 (en) * | 2010-09-17 | 2012-03-22 | コニカミノルタオプト株式会社 | Production method and production system for optical display device |
| WO2014091921A1 (en) * | 2012-12-13 | 2014-06-19 | コニカミノルタ株式会社 | Optical film roll, method for producing same, polarizing plate, and display device |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH0958935A (en) * | 1995-08-21 | 1997-03-04 | Fuji Photo Film Co Ltd | Core for heat treatment of film |
| JPH11157592A (en) * | 1997-11-28 | 1999-06-15 | Kanegafuchi Chem Ind Co Ltd | Packing method of phase difference film sticker or roll thereof and winding method of sticker and roll |
| JP4655663B2 (en) * | 2005-02-21 | 2011-03-23 | コニカミノルタオプト株式会社 | Method for producing roll-shaped film having coating layer, roll-shaped optical film, polarizing plate, liquid crystal display device |
| KR20120070566A (en) * | 2009-09-14 | 2012-06-29 | 코니카 미놀타 어드밴스드 레이어즈 인코포레이티드 | Method of manufacturing optical film, optical film, deflection plate, and liquid crystal display device |
| JP6055171B2 (en) | 2011-07-29 | 2016-12-27 | 住友化学株式会社 | Polarizing plate roll and manufacturing method thereof |
| JP6045161B2 (en) * | 2012-03-07 | 2016-12-14 | 日東電工株式会社 | Manufacturing method of polarizing plate |
| JP5623453B2 (en) * | 2012-03-26 | 2014-11-12 | 富士フイルム株式会社 | Polymer film roll, optical film, and polymer film roll manufacturing method |
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- 2015-09-18 KR KR1020177013495A patent/KR102281566B1/en active IP Right Grant
- 2015-09-18 CN CN201580055963.4A patent/CN107076913B/en active Active
- 2015-09-18 WO PCT/JP2015/076642 patent/WO2016063669A1/en active Application Filing
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101489770A (en) * | 2006-07-18 | 2009-07-22 | 3M创新有限公司 | Calendering process for making an optical film |
| CN101334499A (en) * | 2007-06-28 | 2008-12-31 | 西工业株式会社 | Wide polarizing plate and manufacturing method thereof |
| WO2012035837A1 (en) * | 2010-09-17 | 2012-03-22 | コニカミノルタオプト株式会社 | Production method and production system for optical display device |
| WO2014091921A1 (en) * | 2012-12-13 | 2014-06-19 | コニカミノルタ株式会社 | Optical film roll, method for producing same, polarizing plate, and display device |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2016063669A1 (en) | 2016-04-28 |
| JP6370190B2 (en) | 2018-08-08 |
| JP2016085331A (en) | 2016-05-19 |
| CN107076913A (en) | 2017-08-18 |
| KR102281566B1 (en) | 2021-07-26 |
| TWI676828B (en) | 2019-11-11 |
| TW201617649A (en) | 2016-05-16 |
| KR20170072922A (en) | 2017-06-27 |
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