CN107710038A - The manufacture method of polarisation part - Google Patents
The manufacture method of polarisation part Download PDFInfo
- Publication number
- CN107710038A CN107710038A CN201680037343.2A CN201680037343A CN107710038A CN 107710038 A CN107710038 A CN 107710038A CN 201680037343 A CN201680037343 A CN 201680037343A CN 107710038 A CN107710038 A CN 107710038A
- Authority
- CN
- China
- Prior art keywords
- polarisation part
- protective film
- layered product
- surface protective
- polarizing film
- Prior art date
- Legal status (The legal status 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 status listed.)
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- 230000001590 oxidative effect Effects 0.000 description 1
- 150000002924 oxiranes Chemical class 0.000 description 1
- 239000000123 paper Substances 0.000 description 1
- PNJWIWWMYCMZRO-UHFFFAOYSA-N pent‐4‐en‐2‐one Natural products CC(=O)CC=C PNJWIWWMYCMZRO-UHFFFAOYSA-N 0.000 description 1
- 235000021317 phosphate Nutrition 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920006267 polyester film Polymers 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 239000011118 polyvinyl acetate Substances 0.000 description 1
- 229920002689 polyvinyl acetate Polymers 0.000 description 1
- 239000003755 preservative agent Substances 0.000 description 1
- 230000002335 preservative effect Effects 0.000 description 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 1
- UIIIBRHUICCMAI-UHFFFAOYSA-N prop-2-ene-1-sulfonic acid Chemical compound OS(=O)(=O)CC=C UIIIBRHUICCMAI-UHFFFAOYSA-N 0.000 description 1
- 229910052703 rhodium Inorganic materials 0.000 description 1
- 239000010948 rhodium Substances 0.000 description 1
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 235000011091 sodium acetates Nutrition 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 238000004528 spin coating Methods 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 238000010189 synthetic method Methods 0.000 description 1
- KUCOHFSKRZZVRO-UHFFFAOYSA-N terephthalaldehyde Chemical compound O=CC1=CC=C(C=O)C=C1 KUCOHFSKRZZVRO-UHFFFAOYSA-N 0.000 description 1
- ISIJQEHRDSCQIU-UHFFFAOYSA-N tert-butyl 2,7-diazaspiro[4.5]decane-7-carboxylate Chemical compound C1N(C(=O)OC(C)(C)C)CCCC11CNCC1 ISIJQEHRDSCQIU-UHFFFAOYSA-N 0.000 description 1
- LDHQCZJRKDOVOX-UHFFFAOYSA-N trans-crotonic acid Natural products CC=CC(O)=O LDHQCZJRKDOVOX-UHFFFAOYSA-N 0.000 description 1
- BAZVSMNPJJMILC-UHFFFAOYSA-N triadimenol Chemical compound C1=NC=NN1C(C(O)C(C)(C)C)OC1=CC=C(Cl)C=C1 BAZVSMNPJJMILC-UHFFFAOYSA-N 0.000 description 1
- 239000006097 ultraviolet radiation absorber Substances 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/80—Constructional details
- H10K59/8793—Arrangements for polarized light emission
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/30—Polarising elements
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133528—Polarisers
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B33/00—Electroluminescent light sources
- H05B33/02—Details
Abstract
The present invention provides a kind of multifunction of the electronic equipments such as achievable image display device and the manufacture method of the polarisation part of multifunction, and this method can accurately form the shape in desired non-polarized portion.The manufacture method of the polarisation part of the present invention includes：In a surface side of polarisation part by the adhesive phase laminate surface protective film below 10 μm of thickness, being produced on a surface side has the process of polarizing film layered product at least one of exposed division for exposing the polarisation part；The process for making the exposed division of the polarizing film layered product contact alkaline solution；And the process that the surface protective film is removed from polarizing film layered product.
Description
Technical field
The present invention relates to the manufacture method of polarisation part.More specifically, the present invention relates to the polarisation part with non-polarized portion
Manufacture method.
Background technology
The internal electron such as camera portion is carried sometimes on the image display device of mobile phone, notebook computer (PC) etc.
Part.For the purpose of camera performance by image display device as raising etc., various researchs have been carried out (for example, patent document 1
~7).But due to the rapid popularization of the board-like information processor of intelligent mobile phone, touch surface, it is desirable to further improve and shine
Camera properties etc..In addition, in order to tackle the variation of the shape of image display device and multifunction, it is necessary to partly have inclined
The Polarizer of optical property.In order to industrially and commercial realize these demands, it is desirable to manufacture image with acceptable cost
Display device and/or its part, in order to obtain such technology, still there are the various items for needing to study.
Prior art literature
Patent document
Patent document 1：Japanese Unexamined Patent Publication 2011-81315 publications
Patent document 2：Japanese Unexamined Patent Publication 2007-241314 publications
Patent document 3：No. 2004/0212555 specification of U.S. Patent Application Publication No.
Patent document 4：KR published patent 10-2012-0118205 publications
Patent document 5：Korean Patent No. 10-1293210 publications
Patent document 6：Japanese Unexamined Patent Publication 2012-137738 publications
Patent document 7：Japanese Unexamined Patent Publication 2014-211548 publications
The content of the invention
Problems to be solved by the invention
The present invention makes to solve above-mentioned existing issue, and its main purpose is that providing a kind of achievable image shows
The manufacture method of the multifunction of the electronic equipments such as showing device and the polarisation part of multifunction, this method can be formed accurately
The shape in desired non-polarized portion.
The solution used to solve the problem
The manufacture method of the polarisation part of the present invention includes：In a surface side of polarisation part by the adhesive below 10 μm of thickness
Layer stackup surface protective film, being produced on a surface side has the polarisation at least one of exposed division for exposing the polarisation part thin
The process of film laminated body；The process for making the exposed division of the polarizing film layered product contact alkaline solution；And it is laminated from polarizing film
The process that body removes the surface protective film.
In one embodiment, the process of above-mentioned exposed division contact alkaline solution is made include above-mentioned polarizing film being laminated
Body is impregnated in alkaline solution.
In one embodiment, above-mentioned adhesive phase contains acrylic resin.
In one embodiment, above-mentioned manufacture method also includes the exposed division contact acid for making above-mentioned polarizing film layered product
The process of property solution.
In one embodiment, the process of above-mentioned exposed division contact acid solution is made include above-mentioned polarizing film being laminated
Body is impregnated in acid solution.
In one embodiment, the process of above-mentioned exposed division contact alkaline solution is made include above-mentioned polarizing film being laminated
Body is impregnated in alkaline solution, and makes the process of exposed division contact acid solution include the polarizing film layered product being impregnated in
In acid solution.
In one embodiment, above-mentioned polarizing film layered product is in strip.
Polarisation part is made in the another way of the present invention.The polarisation part is made by above-mentioned manufacture method.
Polarizer is made in the another mode of the present invention.The Polarizer includes above-mentioned polarisation part.
Image display device is provided in the still another way of the present invention.The image display device includes above-mentioned Polarizer.
The effect of invention
In the manufacture method of the present invention polarizing film layered product that uses a surface side of polarisation part by 10 μm of thickness with
Under adhesive phase be laminated with surface protective film.By using such polarizing film layered product, institute can be accurately formed
The non-polarized portion of shape desired.
Brief description of the drawings
Fig. 1 is the diagrammatic cross-section of the polarizing film layered product used in an embodiment of the invention.
Fig. 2A is the configuration pattern of the through hole of surface protective film for illustrating to use in an embodiment of the invention
The schematic top plan view of one.
Fig. 2 B are the configuration patterns of the through hole of surface protective film for illustrating to use in an embodiment of the invention
The schematic top plan view of another.
Fig. 2 C are the configuration patterns of the through hole of surface protective film for illustrating to use in an embodiment of the invention
Another example schematic top plan view.
Fig. 3 A are the schematic diagrames for the measuring method for illustrating hole roughness.It illustrates polarisation part 1 and the border in non-polarized portion 2
When (solid line) is located at the outside of the approximate circle (dotted line) in non-polarized portion, the distance a of non-polarized portion circle approximate with non-polarized portion.
Fig. 3 B are the schematic diagrames for the measuring method for illustrating hole roughness.It illustrates polarisation part 1 and the border in non-polarized portion 2
When (solid line) is located at the inner side of the approximate circle (dotted line) in non-polarized portion, the distance b of non-polarized portion circle approximate with non-polarized portion.
Embodiment
Hereinafter, an embodiment of the invention is illustrated, but the invention is not restricted to the embodiment.
A. the manufacture method of polarisation part
The manufacture method of the present invention includes：In a surface side of polarisation part table is laminated by the adhesive phase below 10 μm of thickness
Face protective film, being produced on a surface side has the polarizing film layered product at least one of exposed division for exposing the polarisation part
Process；The process for making the exposed division of the polarizing film layered product contact alkaline solution；And remove and be somebody's turn to do from polarizing film layered product
The process of surface protective film.By using the polarizing film layered product with exposed division, it can only make the desired of polarisation part
Partly contacted (that is, from the part that exposed division exposes) with alkaline solution.By contacting polarisation part and alkaline solution, it can reduce and connect
The content for the dichroic substance that contact portion contains, therefore the dichroic substance content non-polarized portion lower than other parts can be formed.
And then in manufacture method of the present invention, using by the adhesive phase layered polarization part and table below 10 μm of thickness
The polarizing film layered product that face protective film forms.It is less than 10 μm by making the thickness of adhesive phase, adhesive can be passed through
Surface tension prevents bubble to be attached in exposed division.As a result, alkaline solution fully contacts exposed division entirety, can be accurately
Form the non-polarized portion of desired shape.It should be noted that strictly speaking the polarisation part formed before non-polarized portion is to utilize
The intermediate of the obtained polarisation part with non-polarized portion of the manufacture method of the present invention, but polarisation is referred to as in this manual
Part.Those skilled in the art are when seeing the record of this specification, it can be readily appreciated that " polarisation part " refers to that intermediate also refers to
Utilize the polarisation part made from the manufacture method of the present invention with non-polarized portion.
A-1. the making of polarizing film layered product
In a surface side of polarisation part by the adhesive phase laminate surface protective film below 10 μm of thickness, to make polarisation
Thin-film laminate.The polarizing film layered product used in the present invention has at least a portion for exposing polarisation part in an above-mentioned surface side
Exposed division.
Fig. 1 is the diagrammatic cross-section of the polarizing film layered product used in an embodiment of the invention.In the implementation
In mode, the Polarizer of the structure with polarisation part/protective film is used.Polarizing film layered product 100 is protected in polarisation part 10/
The surface of polarisation part 10 of the layered product of film 20 is laminated with surface protective film 50 by the adhesive phase 60 below 10 μm of thickness.
Surface protective film 50 has through hole 71.Polarizing film layered product 100, which has from through hole 71, exposes exposing for polarisation part 10
Portion 51.Surface protective film 50 is strippingly layered on Polarizer (being substantially polarisation part 10).It should be noted that have
The polarisation part of form beyond Polarizer form is (for example, be the polarisation part of single resin film, the layer of resin base material/polarisation part
Stack) same order can be also applied, this is self-evident.
In one embodiment, polarizing film layered product 100 can not also be laminated the surface protection with through hole
On the face of film 50, other surface protective films (surface protective film 30 in Fig. 1) are further laminated.Hereinafter, will also have
The surface protective film 50 of through hole is referred to as first surface protective film, also will not be laminated tool in polarizing film layered product 100
The surface protective film 30 for having the side stacking of the surface protective film of through hole is referred to as second surface protective film.
Polarizing film layered product is representational be in strip.The polarizing film layered product of strip for example can be by that will have
Have along its length and/or the width surface protective film and strip of the strip of through hole that configure at predetermined intervals
Polarisation part stacking and be made.By using the polarizing film layered product of strip, for example, can by impregnate continuously carry out with
The process of alkaline solution contact and the process (for example, the process contacted with acid solution) contacted with other treatment fluids.As a result,
It can further improve the productivity of polarisation part.In addition, the polarizing film layered product of strip can have multiple exposed divisions.This
Under situation, also alkaline solution can be made fully to contact each exposed division, can accurately form the non-inclined of desired shape
Light portion.
And then by using polarizing film layered product, can be made with the pattern of corresponding exposed division pattern has non-polarized
The polarisation part in portion, therefore being capable of critically controlling on the whole and configure non-polarized portion in strip polarisation part.As a result, from this
During the polarisation part as end article of the polarisation part cut-out given size of strip, each end article can be significantly controlled
Quality it is uneven.Moreover, such non-polarized portion is optionally readily formed at the position of through hole, therefore need not
The device of complexity, operation.In addition, according to present embodiment, it can coordinate and be cut off and be equipped on the conduct of image display device most
The position of the size of the polarisation part of whole product and the camera section of image display device sets the position in non-polarized portion, therefore makes
Yield rate when obtaining the polarisation part of given size is splendid.
A-1-1. polarisation part
Representational polarisation part is made up of the resin film containing dichroic substance.Resin film is, for example, polyvinyl alcohol
It is resin (hereinafter referred to as " PVA systems resin ") film.As above-mentioned dichroic substance, such as iodine, organic dyestuff etc. can be enumerated.
These dichroic substances can be used alone, and two or more use also can be combined.It is preferred that use iodine.Because by as described later
Ground contacts alkaline solution, reducible iodo-complexes and reduce content of iodine, as a result, can be formed with being suitable as corresponding camera
The non-polarized portion of characteristic that uses of part.
As the resin for forming above-mentioned resin film, any appropriate resin can be used.It is preferred that use PVA systems resin.As
PVA systems resin, can be enumerated for example：Polyvinyl alcohol, ethylene-vinyl alcohol copolymer.Polyvinyl alcohol can pass through saponification polyvinyl acetate
Ester and be made.Ethylene-vinyl alcohol copolymer can be made by saponified ethylene-vinyl acetate copolymer.The soap of PVA systems resin
Change degree is usually 85 moles of % less than 100 moles of %, preferably 95.0 moles of %~99.95 mole %, further excellent
Elect 99.0 moles of %~99.93 mole % as.Saponification degree can try to achieve according to JIS K 6726-1994.By using such soap
The PVA systems resin of change degree, the polarisation part of excellent in te pins of durability can be made.When saponification degree is too high, there is the anxiety of gelation.
The average degree of polymerization of PVA systems resin can properly select according to purpose.Average degree of polymerization is usually 1000~10000,
Preferably 1200~4500, more preferably 1500~4300.In addition, average degree of polymerization can be according to JIS K 6726-1994
Try to achieve.
The thickness of polarisation part (resin film) may be set to any appropriate value.Thickness is preferably less than 30 μm, more preferably
Less than 25 μm, more preferably less than 20 μm, particularly preferably less than 10 μm.On the other hand, thickness is preferably more than 0.5 μm,
More preferably more than 1 μm.If such thickness, by contacting alkaline solution, non-polarized portion can be formed well.This
Outside, the time of contact alkaline solution can be shortened.In addition, the thickness ratio other parts for contacting the part of alkaline solution sometimes are thin.It is logical
The resin film using thickness of thin is crossed, the thickness of the part and the part not in contact with alkaline solution of contact alkaline solution can be reduced
Difference, it can carry out being bonded with other constitutive requirements such as protective film well.
Resin film be preferable to carry out swelling treatment, stretch processing, the dyeing processing based on above-mentioned dichroic substance, at crosslinking
The various processing such as reason, cleaning treatment, drying process, turning into can be as the state that polarisation part works.When implementing various processing, tree
Membrane of lipoprotein can be the resin bed formed on base material.The layered product of base material and resin bed can for example be contained by being coated with base material
There is the method for the coating fluid of the formation material of above-mentioned resin film, be laminated method of resin film etc. on base material to be made.
Above-mentioned dyeing processing is for example by the way that resin film is impregnated in dyeing liquor to carry out.As dyeing liquor, preferably make
Use iodine aqueous solution.Relative to the water of 100 parts by weight, the compounding amount of iodine is preferably the parts by weight of 0.04 parts by weight~5.0.In order to improve
Iodine is preferably compounded iodide to the solubility of water in iodine aqueous solution.As iodide, preferably using KI.Relative to 100
The water of parts by weight, the compounding amounts of iodide are preferably the parts by weight of 0.3 parts by weight~15.
In above-mentioned stretch processing, it is uniaxial tension to 3 times~7 times that resin film is representational.In addition, draw direction can
Corresponding to the absorption direction of principal axis of obtained polarisation part.
A-1-2. surface protective film
Surface protective film 50 is provided with through hole 71, and the through hole 71 corresponds to the desire and alkaline solution of obtained polarisation part
Contact part (that is, equivalent to polarizing film layered product exposed division 51 part).
The plan view shape of the through hole of surface protective film can use any suitable shape according to purpose.As specific example,
It can enumerate for example：Circle, ellipse, square, rectangle, rhombus.As described above, the manufacture method according to the present invention, can be prevented
Because of the attachment of bubble, the polarisation part for making to expose from exposed division can not be contacted fully with alkaline solution, therefore, even more complicated
The exposed division of shape (for example, star) and/or small size, it can also form the non-polarized portion of desired shape.
The through hole of surface protective film for example can be by machinery punching (for example, punching, graver punching, draught machine, water
Jet) or remove the established part (for example, laser ablation or chemolysis) of surface protective film and formed.
The configuration pattern (formation pattern) of through hole can suitably be set according to purpose.Fig. 2A is to illustrate surface protective film
The schematic top plan view of one of the configuration pattern of through hole, Fig. 2 B are that the vertical view of another of the configuration pattern for illustrating through hole is shown
It is intended to, Fig. 2 C are the schematic top plan views of the another example for the configuration pattern for illustrating through hole.For example, as shown in Figure 2 A, through hole 71
It can be configured at equal intervals with essence along the length direction and width of surface protective film 50.It is in addition, " along its length and wide
Degree direction with essence at equal intervals " refer to length direction at intervals of at equal intervals, and width at intervals of at equal intervals, and grow
The interval for spending direction need not be equal with the interval of width.For example, set length direction at intervals of L1, and set width
At intervals of L2 when, can L1=L2, also can L1 ≠ L2.Or through hole can be configured at equal intervals with essence along its length, and edge
Width is configured with different interval；It can be configured with different interval, and be matched somebody with somebody at equal intervals with essence in the width direction along its length
Put (not shown).When through hole is configured with different interval on length direction or width, the interval of adjacent through hole
Can be all different, also can some (interval of specific adjacent through hole) difference.In addition, also can be thin along surface protection
The length direction of film limits multiple regions, and between the through hole that each region sets length direction and/or width respectively
Every.
In addition, in one embodiment, as shown in Figure 2 A, it is adjacent in the longitudinal direction that through hole 71 is configured to connection
The straight line of through hole is substantial parallel relative to length direction, and the straight line for connecting through hole adjacent in the direction of the width is relative
It is substantial parallel in width.In another embodiment, as shown in Figure 2 B, through hole 71 is configured to be connected to length side
The straight line of adjacent through hole is substantial parallel relative to length direction upwards, and connects through hole adjacent in the direction of the width
Straight line there is predetermined angular θ relative to widthW.In further embodiment, as shown in Figure 2 C, through hole 71 configures
There is predetermined angular θ relative to length direction into the straight line for connecting through hole adjacent in the longitudinal directionL, and it is connected to width
The straight line of adjacent through hole has predetermined angular θ relative to width on directionW。θLAnd/or θWPreferably greater than 0 ° and ±
Less than 10 °.Here, " ± " meaning relative datum direction (length direction or width) includes turning clockwise and revolving counterclockwise
The either direction turned.
Embodiment shown in Fig. 2 B and Fig. 2 C has advantages below., can one during using strip polarizing film layered product
Side carries out roller conveying while forming non-polarized portion with desired pattern (pattern for corresponding to the configuration pattern of through hole).It is tied
Fruit, configuration pattern can be critically controlled to form non-polarized portion on the whole in strip polarisation part.Here, in order to be shown by image
Showing device improves display characteristic, it is sometimes desirable to the absorption axiss of polarisation part is staggered about maximum with respect to the long side or short side of the device
10 ° or so configure.Because the absorption axiss of polarisation part are located on length direction or width, by forming such as Fig. 2 B and Fig. 2 C
The non-polarized portion of shown pattern, now, non-polarized portion and absorption axiss can be uniformly controlled in strip polarisation part entirety
Position relationship, the end article of axle precision excellent (therefore, optical characteristics is excellent) can be made.Therefore, can be by severing (for example, edge
Length direction and/or width cut-out, punching) monolithic polarisation part absorptions direction of principal axis be precisely controlled in desired by angle
Degree, and can significantly suppress the uneven of the absorption direction of principal axis of each polarisation part.It should be noted that the configuration pattern of through hole
It is certainly not limited to illustrated example.For example, through hole 71 may also be configured to connect the straight line phase of through hole adjacent in the longitudinal direction
There is predetermined angular θ for length directionL, and the straight line of through hole adjacent in the direction of the width is connected relative to width
It is substantial parallel.In addition, also multiple regions can be limited along the length direction of surface protective film 50, and set respectively in each region
θLAnd/or θW。
Surface protective film is preferably the high film of hardness (for example, modulus of elasticity).Because through hole can be prevented
Deformation, the polarizing film layered product of strip particularly is being made in use, through hole when can prevent from conveying and/or being bonded becomes
Shape.As the formation material of surface protective film, can enumerate for example：The ester such as PET series resin system tree
The olefin-based resins such as the cyclic olefine resins such as fat, norbornene resin, polypropylene, polyamide series resin, polycarbonate-based tree
The copolymer resin etc. of fat, these resins.Preferably ester system resin (particularly PET series resin).If
For such material, modulus of elasticity is very high, can prevent the deformation of through hole, and the polarizing film layered product of strip is being made
In use, with applying tension force when conveying and/or fitting, the advantages of through hole is not easy to be deformed.
The thickness of surface protective film may be set to any appropriate value.For example, the polarizing film layered product of strip is made
In use, applying tension force during from even in conveying and/or fitting, from the point of view of the advantages of through hole is not easy to be deformed, table
The thickness of face protective film is such as 30 μm~150 μm.
The modulus of elasticity of surface protective film is preferably 2.2kN/mm2~4.8kN/mm2.If the elasticity of surface protective film
Modulus can prevent the deformation of through hole, particularly be used in the polarizing film layered product that strip is made in such scope
When, have and apply tension force when conveying and/or fitting, the advantages of through hole is not easy to be deformed.In addition, modulus of elasticity
Measured according to JIS K 6781.
The tensile strength of surface protective film is preferably 90%~170%.If the tensile strength of surface protective film is at this
In the range of sample, the polarizing film layered product of strip is being made in use, having the advantages of not easy to break in conveying.This
Outside, tensile strength measures according to JIS K 6781.
A-1-3. adhesive phase
The thickness of adhesive phase 60 is less than 10 μm, preferably less than 5 μm.Using polarizing film layered product and contact alkalescence
During solution, because bubble is attached on the surface protective film and adhesive phase of exposed division, alkaline solution can not be fully sometimes
Contact exposed division.Size hour of exposed division or exposed division it is complex-shaped when, the influence becomes notable, and institute can not be formed by probably having
The anxiety in the non-polarized portion of desirable shape.By making the thickness of adhesive phase to pass through the surface of adhesive in such scope
Tension force prevents bubble to be attached in exposed division.As a result, alkaline solution can be made fully to contact exposed division, it is made desired by having
The polarisation part in the non-polarized portion of shape.
Any appropriately combined thing can be used to be formed for adhesive phase.Adhesive phase formation with composition include such as resin into
Point and any suitable additives.Any appropriate resin can be used in the base resin of adhesive, and preferred glass transition temperature Tg is 0
Resin below DEG C.Specifically, acrylic resin, silicon-type resin, rubber series resin, carbamate system can be enumerated
Resin.From the point of view of even less than 10 μm of thickness can also maintain laminated arrangement of the surface protective film with polarisation part well,
It is preferred that acrylic resin.
As acrylic resin, preferably comprising at least a kind has the acrylate and/or first of alkyl of carbon number 1~14
The acrylic polymer of base acrylate (hereinafter also referred to as (methyl) acrylate).Aforesaid propylene acids polymers are preferred
Contain (methyl) acrylate of the weight % of 50 weight %~100 alkyl with carbon number 1~14 as monomer component.
As (methyl) acrylate of the alkyl with carbon number 1~14, can enumerate for example：(methyl) methyl acrylate,
(methyl) ethyl acrylate, (methyl) n-butyl acrylate, (methyl) tert-butyl acrylate, (methyl) isobutyl acrylate, (first
Base) Hexyl 2-propenoate, (methyl) 2-EHA, (methyl) n-octyl, (methyl) Isooctyl acrylate monomer,
The positive nonyl ester of (methyl) acrylic acid, the different nonyl ester of (methyl) acrylic acid, the positive last of the ten Heavenly stems ester of (methyl) acrylic acid, (methyl) isodecyl acrylate,
(methyl) acrylic acid n-dodecane base ester, (methyl) acrylic acid n-tridecane base ester, (methyl) n-myristyl base ester etc..
These (methyl) acrylate can only use a kind, and two or more use also can be combined.
Wherein, (methyl) butyl acrylate, (methyl) Hexyl 2-propenoate, (methyl) acrylic acid 2- ethyl hexyls are preferably comprised
Ester, (methyl) n-octyl, (methyl) Isooctyl acrylate monomer, the positive nonyl ester of (methyl) acrylic acid, the different nonyl of (methyl) acrylic acid
Ester, the positive last of the ten Heavenly stems ester of (methyl) acrylic acid, (methyl) isodecyl acrylate, (methyl) acrylic acid n-dodecane base ester, (methyl) propylene
Sour n-tridecane base ester, (methyl) n-myristyl base ester etc. have (methyl) acrylate of the alkyl of carbon number 4~14.
By (methyl) acrylate comprising the alkyl with carbon number 4~14, bonding force is easily controlled, releasable is excellent.
Aforesaid propylene acids polymers can also contain in addition to (methyl) acrylate of the alkyl with carbon number 1~14
There is any appropriate other monomers composition.As other monomers composition, can enumerate for example：Monomer containing sulfonic group, phosphorous acidic group list
Body, cyano-containing monomer, vinyl esters, aromatic ethenyl compound etc. can help to improve cohesive force, heat resistance monomer into
Point, carboxyl group-containing monomer, monomer containing anhydride group, hydroxyl monomer, amide-containing monomer, emulsion stability, containing epoxy based monomers, N-
Acryloyl morpholine, vinyl ethers etc. have improve the monomer of bonding force or the functional group worked as Cross-linked basic point into
Point.Other monomers composition can only use a kind, and two or more use also can be combined.
As monomer containing sulfonic group, can enumerate for example：Styrene sulfonic acid, allyl sulphonic acid, 2- (methyl) acrylamides -2-
Methyl propane sulfonic acid, (methyl) acrylamide propane sulfonic acid, (methyl) acrylic acid sulphur propyl ester, (methyl) propane sulfonic acid etc..
As phosphorous acid-based monomers, 2- hydroxylethyl acyl phosphates can be enumerated.As cyano-containing monomer, acrylonitrile can be enumerated.Make
For vinyl esters, vinyl acetate can be enumerated.As aromatic ethenyl compound, styrene can be enumerated.
As monomer containing carboxylic acid group, can enumerate for example：(methyl) acrylic acid, (methyl) carboxyethyl acrylates, (methyl)
Acrylic acid carboxyl pentyl ester, itaconic acid, maleic acid, fumaric acid, crotonic acid etc..As monomer containing anhydride group, can enumerate for example：Malaysia
Acid anhydrides, itaconic anhydride etc..As hydroxyl monomer, can enumerate for example：(methyl) acrylic acid -2- hydroxyl ethyl esters, (methyl) acrylic acid -
2- hydroxypropyl acrylates, (methyl) acrylic acid -4- hydroxy butyl esters, the own ester of (methyl) acrylic acid -6- hydroxyls, (methyl) acrylic acid -8- hydroxyls monooctyl ester,
(methyl) acrylic acid -10- hydroxyls last of the ten Heavenly stems ester, (methyl) acrylic acid -12- hydroxylaurics ester, acrylic acid (4- hydroxymethylcyclohexyls)-first
Ester, N- methylols (methyl) acrylamide, vinyl alcohol, allyl alcohol, 2- hydroxyethyl vinyls ether, 4- hydroxyls butyl vinyl ether, diethyl two
Alcohol list vinethene etc..As amide-containing monomer, can enumerate such as acrylamide, acrylamide.As containing amino
Monomer, such as (methyl) acrylic acid N, N- dimethylaminoethyls, (methyl) acrylic acid N, N- dimethylamino propyl ester etc. can be enumerated.Make
For containing epoxy based monomers, such as (methyl) glycidyl acrylate, allyl glycidyl ether etc. can be enumerated.As vinyl
Ethers, such as vinyl ethyl ether can be enumerated.
For example, from the viewpoint of bonding force is easily adjusted, other monomers composition can be used, make the Tg of obtained polymer
For less than 0 DEG C.Here, the Tg of polymer is preferably such as more than -100 DEG C.
The weight average molecular weight of aforesaid propylene acids polymers is such as more than 100,000.
Aforesaid propylene acids polymers can be made by any appropriate polymerization.Such as polymerisation in solution, breast can be included
The polymerization that liquid polymerization, polymerisation in bulk, suspension polymerisation etc. use usually as the synthetic method of acrylic polymer.
Other resins that adhesive phase formation also contains beyond above-mentioned base resin by the use of composition are used as resin component.Make
For other resins, polyether resin, modified polyether resin, epoxy resin etc. can be enumerated.During containing other resins, other resins contain
It is preferably below 20 weight % to have ratio.
Adhesive phase formation composition can contain any suitable additives in addition to resin component.Example can be enumerated
Such as：Crosslinking agent, coupling agent, tackifiers, surface lubricant, levelling agent, surfactant, antistatic additive, sliding modifying agent, profit
Moist modifying agent, antioxidant, preservative, light stabilizer, ultra-violet absorber, polymerization inhibitor, crosslinking accelerator, cross-linking catalyst
Powder, graininess, the foil-like things such as agent, inorganic or organic filler, metal powder, pigment etc..
As crosslinking agent, any appropriate crosslinking agent can be used.Can enumerate for example isocyanate compound, epoxide,
Aziridine cpd, melamine compound.Crosslinking agent can be used alone, and two or more use also can be combined.
Relative to the resin component of 100 parts by weight, the content of crosslinking agent is preferably the parts by weight of 0.1 parts by weight~15, more excellent
Elect the parts by weight of 2 parts by weight~10 as.
Adhesive phase can be formed by any proper method.As specific example, can enumerate in above-mentioned surface protective film
Upper coating adhesive formation composition and be dried method, form on slider adhesive phase and by the adhesive phase
Method being transferred on surface protective film etc..Rubbing method can be enumerated for example：The rolling methods such as inverse coating, intaglio plate coating, spin-coating method,
Silk screen rubbing method, fountain type rubbing method, dip coating, spraying process.
In one embodiment, first surface protective film is the bonding for having the adhesive phase below 10 μm of thickness
Piece.First surface protective film in the embodiment is with the resin film used as above-mentioned surface protective film and set
In the layered product of the adhesive phase of the one side of the resin film, there is the through hole through the resin film and the adhesive phase.
When first surface protective film is bonding sheet, strip polarisation part can be carried out by volume to volume and the protection of strip first surface is thin
The fitting of film, therefore can further improve manufacture efficiency.In this embodiment, the strippingly temporary adhesion on the adhesive
Slider.
Slider has the function as the protection materials for protecting adhesive phase untill for actual use.Slider
It can enumerate for example：Carried out by removers such as silicon-type remover, fluorine system remover, long-chain aliphatic acrylate series stripping agents
Plastics (for example, polyethylene terephthalate (PET), polyethylene, polypropylene) film, non-woven fabrics or paper after the coating of surface
Deng.The thickness of slider can use any suitable thickness according to purpose.The thickness of slider is such as 10 μm~100 μm.Slider
It can be layered on the layered product of the resin film used as above-mentioned surface protective film and adhesive phase, also can be on slider
Form adhesive phase and the laminate layers of slider and adhesive phase are stacked in the resin film used as surface protective film
On.
Polarizing film layered product 100 is as described above, also can be further in the side for not configuring first surface protective film 50
It is laminated second surface protective film 30.The second surface protective film can be used and the first table in addition to being not provided with through hole
The same film of face protective film 50.In addition, as second surface protective film, it is possible to use polyolefin (for example, polyethylene)
The film of soft (for example, modulus of elasticity is low) as film.By using second surface protective film, connect with alkaline solution
, can further suitably protecting Polarizer (polarisation part/protective film) in tactile process, as a result, can enter to exercise polarisation better
The process that part contacts with alkaline solution.
A-2. the process contacted with alkaline solution
Then, the exposed division of alkaline solution contact polarizing film layered product is made.By contacting alkaline solution, it can reduce and expose
The content of the dichroic substance in portion, by reducing the content of the dichroic substance, non-polarized portion can be formed.It should be noted that
As the polarisation part used in polarizing film layered product, as described above, it is preferred to be the polarisation part containing iodine.Polarisation part contains iodine work
For dichroic substance when, contacted by the exposed division and alkaline solution that make polarisation part, the content of iodine of exposed division can be reduced, as a result,
Only non-polarized portion can be formed selectively in exposed division.Therefore, the operation of complexity can be not accompanied by and with very high manufacture efficiency,
Non-polarized portion is formed selectively in the established part of polarisation part.In addition, when remaining has iodine in polarisation part, even if destroying iodine network
Compound forms non-polarized portion, also can form iodo-complexes once again with the use of polarisation part, probably have non-polarized portion not have institute
The anxiety of expected characteristics.In the present invention, iodine is removed in itself from polarisation part (being substantially non-polarized portion).As a result, can prevent non-inclined
The characteristic in light portion changes with the use of polarisation part.
Make the process of alkaline solution contact polarizing film layered product can use any appropriate means.It can enumerate for example：Dipping,
Be added dropwise, be coated with, spraying etc..As described above, by using first surface protective film, (and the second surface that uses according to need is protected
Film), contained content of iodine is not reduced in the part polarisation part beyond the exposed division of polarizing film layered product, therefore can be passed through
Dipping only forms non-polarized portion in desired part.Specifically, by the way that polarizing film layered product is impregnated in into alkaline solution
In, the exposed division only in polarizing film layered product contacts with alkaline solution.
It is described more particularly below and non-polarized portion is formed based on alkaline solution.Contacted with the exposed division of polarizing film layered product
Afterwards, alkaline solution is impregnated with internal to exposed division (specifically, polarisation part).The iodo-complexes that polarisation part contains is contained by alkaline solution
Some alkali reduces and turns into iodide ion.Iodide ion is reduced to by iodo-complexes, the polarisation of the polarisation part exposed by exposed division
Performance is substantially disappeared, and non-polarized portion is formed in exposed division.In addition, by reducing iodo-complexes, the transmission of exposed division can be improved
Rate.It is moved to as the iodine of iodide ion by exposed division in the solvent of alkaline solution.As a result, iodide ion and alkaline solution are together
It is removed from polarisation part.In this way, non-polarized portion can be formed selectively in the established part of polarisation part, and further, the non-polarized
Portion turns into the non-polarized portion for the stabilization that will not pass through with the time and change.In addition, the material by adjusting first surface protective film
Material, the dip time of thickness and mechanical property, the concentration of alkaline solution and polarizing film layered product in alkaline solution etc.,
Alkaline solution can be prevented to be impregnated into undesirable part (result, non-polarized portion being formed in undesirable part).
As alkali compounds contained in above-mentioned alkaline solution, any appropriate alkali compounds can be used.As alkalescence
Compound, it can enumerate for example：The alkaline earths such as the alkali metal hydroxides such as sodium hydroxide, potassium hydroxide, lithium hydroxide, calcium hydroxide gold
Organic alkali metal salt, the ammoniacal liquor such as inorganic alkaline metal salt, the sodium acetates such as the hydroxide of category, sodium carbonate etc..It is contained in alkaline solution
Alkali compounds be preferably alkali metal hydroxide, more preferably sodium hydroxide, potassium hydroxide, lithium hydroxide.By making
With the alkaline solution of the hydroxide containing alkali metal, iodo-complexes can be made effectively to ionize, can be more simply forming non-inclined
Light portion.These alkali compounds can only use a kind, and two or more use also can be combined.
As the solvent of above-mentioned alkaline solution, any appropriate solvent can be used.Specifically, can enumerate：Water, ethanol, first
The alcohol such as alcohol, ether, benzene, the mixed solvent of chloroform and these solvents.It can be moved to well in solvent from iodide ion, and can be easy
From the point of view of ground removes iodide ion, solvent is preferably water, alcohol.
The concentration of above-mentioned alkaline solution is such as 0.01N~5N, more preferably preferably 0.05N~3N, 0.1N~2.5N.
If the concentration of alkaline solution in such scope, can efficiently reduce the content of iodine inside polarisation part, and can prevent from exposing
The ionization of the iodo-complexes of part beyond portion.
The liquid temperature of above-mentioned alkaline solution is such as 20 DEG C~50 DEG C.Polarizing film layered product (is substantially the dew of polarisation part
Go out portion) can be according to alkaline chemical combination contained in the thickness of polarisation part, used alkaline solution with time of contact of alkaline solution
Species and the concentration of alkali compounds are set, for example, 5 seconds~30 minutes.
Above-mentioned alkaline solution, can be according to need by any (formed non-polarized portion after) after being contacted with the exposed division of polarisation part
Appropriate means remove.As the specific example of the minimizing technology of alkaline solution, can enumerate：Removed using wipings such as wiping cloth (rags)s, suction
Removal, natural drying, heat drying, air-supply are dried, are dried under reduced pressure, cleaning.By drying drying when removing alkaline solution
Temperature is such as 20 DEG C~100 DEG C.
A-3. the removing step of surface protective film
After carrying out necessary process, surface protective film can be removed from polarizing film layered product.As described above, surface protection
Film is strippingly pasted onto the surface of polarisation part by adhesive phase.Therefore, carrying out making the polarisation with non-polarized portion
After process needed for part, it can be readily removable from the surface of polarisation part.
A-4. other processes
The manufacture method in the non-polarized portion with non-polarized portion of the present invention can further comprise making polarizing film stacking
The process and the work of removal surface protective film that the process of body, the exposed division for making polarizing film layered product contact with alkaline solution
Any appropriate process beyond sequence.As other processes, the process contacted with acid solution and matting etc. can be enumerated.
A-4-1. the process contacted with acid solution
The manufacture method of the present invention can further comprise the process for making polarizing film layered product be contacted with acid solution.Pass through
Further comprise the process contacted with acid solution, desired size more stably can be maintained (particularly under humidified ambient)
And the non-polarized portion of shape.The process contacted with acid solution can for example be carried out after the process contacted with alkaline solution.
Any proper sourness compound can be used in contained acid compound in acid solution., can as acid compound
Enumerate for example：The organic acids such as the inorganic acids such as hydrochloric acid, sulfuric acid, nitric acid, hydrogen fluoride, formic acid, oxalic acid, citric acid, acetic acid, benzoic acid
Deng.The concentration of acid solution is such as 0.01N~5N, more preferably preferably 0.05N~3N, 0.1N~2.5N.
Solvent, the liquid temperature of acid solution, the time contacted with acid solution and the contact method used in acid solution can
Using the same condition of adoptable condition in the process contacted with alkaline solution with being recorded in above-mentioned A-2 items.
The process contacted with acid solution is preferably (specifically, inclined before the stripping process of above-mentioned surface protective film
In the state of optical thin film layered product) carry out.By being carried out in the state of polarizing film layered product, will can be contacted with alkaline solution
The process that is contacted with acid solution of process continuously carry out.
A-4-2. matting
The manufacture method of the present invention may also include matting.Matting can be carried out only 1 time, can also be carried out repeatedly.Clearly
Washing process can be carried out in any appropriate stage of the manufacturing process of the polarisation part with non-polarized portion.For example, can be with arbitrarily suitable
After the polarisation part that liquid rinse contacts with alkaline solution, the process contacted with acid solution is carried out, can also carried out and alkalescence
After the process of solution contact and the process contacted with acid solution, the process using the cleaning of any appropriate liquid is carried out.
Any appropriate liquid can be used in the liquid used in cleaning.It can enumerate for example：The alcohol such as pure water, methanol, ethanol, acidity
Mixed solvent of the aqueous solution and these liquid etc..In addition, the temperature of used liquid may be set to any proper temperature.
B. there is the polarisation part in non-polarized portion
Can have with the desired shape that is formed in high precision and size by polarisation part made from the method for the present invention
Non-polarized portion.Therefore, polarisation part of the invention can have excellent feature and design.
Polarisation part with non-polarized portion is for example available for the image display device with camera.Because even if
When forming smaller size of non-polarized portion, camera also can fully play shoot function, and obtained image display device
Outward appearance is also excellent.
As long as the plan view shape in non-polarized portion does not produce harmful effect to the camera performance of image display device, can use
Any suitable shape.In addition, the transmissivity (for example, the transmissivity obtained at 23 DEG C with wavelength 550nm flash ranging) in non-polarized portion
Preferably more than 50%, more preferably more than 60%, more preferably more than 75%, particularly preferably more than 90%.If
Such transmissivity, it can be ensured that the desired transparency as non-polarized portion.As a result, shown with non-polarized portion corresponding to image
When the mode of the camera section of device configures polarisation part, the harmful effect of the shooting performance to camera can be prevented.
Compared to the other parts part of polarizing properties (have) of polarisation part, non-polarized portion be dichroic substance content compared with
Few part.The dichroic substance content that non-polarized portion is contained is preferably below 1.0 weight %, more preferably 0.5 weight % with
Under, more preferably below 0.2 weight %.In addition, the lower limit of the dichroic substance content in non-polarized portion is generally detecting
Below limiting value.If the content of the dichroic substance in non-polarized portion in such scope, can not only assign non-polarized portion and wish
The transparency of prestige, use non-polarized portion as corresponding to image display device camera part when, from brightness and tone
From the point of view of both sides viewpoint, very excellent shooting performance can be also realized.In addition, during using iodine as dichroic substance, it is non-partially
The content of iodine in light portion refers to the X-ray intensity by being measured by x-ray fluorescence analysis, using in advance using made from Standard testing agent
Standard curve and the value obtained.
Contained dichroic substance contains in part (part with polarizing properties) beyond the non-polarized portion of polarisation part
The difference of amount and dichroic substance content contained in non-polarized portion is preferably more than 0.5 weight %, more preferably 1 weight % with
On.Pass through the content for making dichroic substance contained in the part beyond non-polarized portion and dichroism thing contained in non-polarized portion
The difference of the content of matter is in such scope, and non-polarized portion has the sufficiently transparency, for example, suitably can be made using non-polarized portion
For the part of the camera shown corresponding to image.
C. Polarizer
Polarisation part can be provided in the form of Polarizer in practical.Polarizer has polarisation part and is configured at polarisation part extremely
The protective film of few side.In practicality, Polarizer has adhesive phase as outermost layer.Representational adhesive phase is to turn into figure
As the outermost layer of display device side.Strippingly temporary adhesion slider over the binder layer.
The formation material of protective film can be enumerated for example：The cellulose-based resins such as cellulose diacetate, Triafol T,
The olefin-based resins such as (methyl) acrylic resin, cyclic olefine resin, polypropylene, PET series resin
Deng ester system resin, polyamide series resin, polycarbonate-based resin, these resins copolymer resin etc..The thickness of protective film
Preferably 10 μm~100 μm.Representational protective film is by adhesive linkage (specifically bond layer, adhesive phase) layer
It is stacked on polarisation part.Representational bond layer is formed by PVA systems bonding agent or active energy ray curable bonding agent.It is viscous
Representational mixture layer is formed by acrylic adhesives.
Polarizer can further have any appropriate optical functional layer according to purpose.The typical example of optical functional layer can be enumerated
Phase-contrast film (optical compensating film), surface-treated layer.In addition, above-mentioned protective film can also have optical compensation function (tool
For body, can have the appropriate index ellipsoid body according to purpose setting, phase difference and thickness direction phase difference in face).
Surface-treated layer is configured in the identification side of Polarizer.The typical example of surface-treated layer can enumerate hard conating, counnter attack
Penetrate layer, antiglare layer.
D. image display device
The image display device of the present invention has above-mentioned polarisation part.As image display device, can enumerate for example：Liquid crystal
Showing device, organic el device.Specifically, liquid crystal display device has a liquid crystal panel, and the liquid crystal panel include liquid crystal cells,
And configuration is in the above-mentioned polarisation part of the one or both sides of the liquid crystal cells.Organic el device is above-mentioned inclined with being configured with identification side
The organic EL panel of light part.Polarisation part can be configured to the camera section that non-polarized portion corresponds to carried image display device.
Embodiment
Hereinafter, the present invention is specifically described by embodiment, but the invention is not restricted to these embodiments.
[Production Example 1] has the making of the surface protective film 1 of adhesive phase
Mix the acrylic resin (weight formed by the ratio of components of butyl acrylate/acrylic acid=95/5 of 100 parts by weight
The acrylic polymer of average molecular weight 600,000) and 5 parts by weight epoxy crosslinking agent (MITSUBISH GAS CHEMICAL
System, trade name：TETRAD-C), acrylic adhesives 1 are prepared.
In PET film (the MITSUBISH CHEMICAL of 38 μm of the thickness of strip (width 1200mm, length 43m)
POLYESTER FILM systems, trade name：Diafoil T100C) on, acrylic adhesives made from coating make dried thickness
Spend for 10 μm, form adhesive phase.Slider is fitted on the adhesive phase to be formed, bonding sheet is made.In obtained bonding
On piece, 1000 diameter 2mm circular aperture is formed using sharp knife (Pinnacle Knife).Each aperture is with vertical 250mm, horizontal stroke
400mm intervals are formed, and the surface protective film 1 with adhesive phase is made.
[Production Example 2] has the making of the surface protective film 2 of adhesive phase
In addition to the thickness for making adhesive phase is 5 μm, the surface guarantor with adhesive phase is made in the same manner as Production Example 1
Protect film 2.
[Production Example 3] has the surface protective film C1 of adhesive phase making
In addition to the thickness for making adhesive phase is 30 μm, the surface with adhesive phase is made in the same manner as Production Example 1
Protective film C1.
[Production Example 4] has the surface protective film C2 of adhesive phase making
In addition to the thickness for making adhesive phase is 20 μm, the surface with adhesive phase is made in the same manner as Production Example 1
Protective film C2.
[Production Example 5] has the surface protective film C3 of adhesive phase making
In addition to the thickness for making adhesive phase is 15 μm, the surface with adhesive phase is made in the same manner as Production Example 1
Protective film C3.
[Production Example 6] has the making of the surface protective film 3 of adhesive phase
The acrylic resin of 100 parts by weight is mixed (by 2-EHA/acrylic acid 2- hydroxyl ethyl ester=96/4
Ratio of components formed weight average molecular weight 500,000 acrylic polymer) and 4 parts by weight isocyanates system crosslinking agent
(NIPPON POLYURETHANE INDUSTRY systems, trade name：CORONATE HX), prepare acrylic adhesives 2.
In PET film (Japan's spinning company system, the trade name of 38 μm of the thickness of strip (width 1200mm, length 43m)：
E5000 on), acrylic adhesives made from coating make it that dried thickness is 10 μm, form adhesive phase.By slider
It is fitted on the adhesive phase to be formed, bonding sheet is made.On obtained bonding sheet, 1000 diameter 2mm are formed using sharp knife
Circular aperture.Each aperture is formed with vertical 250mm, horizontal 400mm intervals, and the surface protective film 3 with adhesive phase is made.
[Production Example 7] has the making of the surface protective film 4 of adhesive phase
In addition to the thickness for making adhesive phase is 5 μm, the surface guarantor with adhesive phase is made in the same manner as Production Example 6
Protect film 4.
[Production Example 8] has the surface protective film C4 of adhesive phase making
In addition to the thickness for making adhesive phase is 30 μm, the surface with adhesive phase is made in the same manner as Production Example 6
Protective film C4.
[Production Example 9] has the surface protective film C5 of adhesive phase making
In addition to the thickness for making adhesive phase is 20 μm, the surface with adhesive phase is made in the same manner as Production Example 6
Protective film C5.
[Production Example 10] has the surface protective film C6 of adhesive phase making
In addition to the thickness for making adhesive phase is 15 μm, the surface with adhesive phase is made in the same manner as Production Example 6
Protective film C6.
[Production Example 11] has the making of the surface protective film 5 of adhesive phase
In addition to making to be formed at the hole diameter on bonding sheet for 4mm, being made in the same manner as Production Example 1 has adhesive
The surface protective film 5 of layer.
[Production Example 12] has the making of the surface protective film 6 of adhesive phase
In addition to making to be formed at the hole diameter on bonding sheet for 4mm, being made in the same manner as Production Example 2 has adhesive
The surface protective film 6 of layer.
[Production Example 13] has the surface protective film C7 of adhesive phase making
In addition to making to be formed at the hole diameter on bonding sheet for 4mm, being made in the same manner as Production Example 3 has adhesive
The surface protective film C7 of layer.
[Production Example 14] has the surface protective film C8 of adhesive phase making
In addition to making to be formed at the hole diameter on bonding sheet for 4mm, being made in the same manner as Production Example 4 has adhesive
The surface protective film C8 of layer.
[Production Example 15] has the surface protective film C9 of adhesive phase making
In addition to making to be formed at the hole diameter on bonding sheet for 4mm, being made in the same manner as Production Example 5 has adhesive
The surface protective film C9 of layer.
[Production Example 16] has the making of the surface protective film 7 of adhesive phase
In addition to making to be formed at the hole diameter on bonding sheet for 4mm, being made in the same manner as Production Example 6 has adhesive
The surface protective film 7 of layer.
[Production Example 17] has the making of the surface protective film 8 of adhesive phase
In addition to making to be formed at the hole diameter on bonding sheet for 4mm, being made in the same manner as Production Example 7 has adhesive
The surface protective film 8 of layer.
[Production Example 18] has the surface protective film C10 of adhesive phase making
In addition to making to be formed at the hole diameter on bonding sheet for 4mm, being made in the same manner as Production Example 8 has adhesive
The surface protective film C10 of layer.
[Production Example 19] has the surface protective film C11 of adhesive phase making
In addition to making to be formed at the hole diameter on bonding sheet for 4mm, being made in the same manner as Production Example 9 has adhesive
The surface protective film C11 of layer.
[Production Example 20] has the surface protective film C12 of adhesive phase making
In addition to making to be formed at the hole diameter on bonding sheet for 4mm, being made in the same manner as Production Example 10 has bonding
The surface protective film C12 of oxidant layer.
<Embodiment 1>
As base material, poly- terephthaldehyde is copolymerized using strip, water absorption rate 0.75%, Tg75 DEG C of amorphous M-phthalic acid
Sour glycol ester (IPA is copolymerized PET) film (thickness：100μm).In the one side of base material, implement sided corona treatment, and in the corona
In process face, coating is with 9 at 25 DEG C：The ratio between 1 includes polyvinyl alcohol (99.2 moles of degree of polymerization 4200, saponification degree %) and acetyl
Acetyl group modified PVA (degree of polymerization 1200, acetoacetyl modified degree 4.6%, 99.0 moles of more than % of saponification degree, Japan's synthesis
Chemical industrial company's system, trade name " GOHSEFIMER Z200 ") the aqueous solution and be dried, formed 11 μm of thickness PVA systems
Resin bed, layered product is made.
Obtained layered product is set to be carried out in 120 DEG C of baking oven between the different roller of peripheral speed along longitudinal direction (long side direction)
Free end uniaxial tension is to 2.0 times (assisting tensions in air).
Then, the insoluble bath for layered product being impregnated in 30 DEG C of liquid temperature (relative to the water of 100 parts by weight, is compounded 4 parts by weight
Boric acid prepared by boric acid aqueous solution) in 30 seconds (insoluble processing).
Then, while iodine concentration, dip time are adjusted, while dipping so that Polarizer in the dye bath of 30 DEG C of liquid temperature
With regulation transmissivity.In the present embodiment, the water relative to 100 parts by weight is immersed in, is compounded the iodine of 0.2 parts by weight, and is matched somebody with somebody
In prepared by mixing the KI of 1.5 parts by weight iodine aqueous solution 60 seconds (dyeing processing).
Then, be impregnated in 30 DEG C of liquid temperature crosslinking bath (relative to the water of 100 parts by weight, be compounded the KI of 3 parts by weight,
And be compounded 3 parts by weight boric acid prepared by boric acid aqueous solution) in 30 seconds (crosslinking Treatment).
Then, by layered product while being impregnated in the boric acid aqueous solution of 70 DEG C of liquid temperature (relative to the water of 100 parts by weight, compounding 4
The boric acid of parts by weight, and the aqueous solution prepared by KI of 5 parts by weight of compounding) in, while between the different roller of peripheral speed
Uniaxial tension is carried out along longitudinal direction (long side direction) so that total stretching ratio is 5.5 times (being stretched in water).
Then, the cleaner bath for layered product being impregnated in 30 DEG C of liquid temperature (relative to the water of 100 parts by weight, is compounded 4 parts by weight
Prepared by KI the aqueous solution) in (cleaning treatment).
Then, on the PVA resins surface of layered product, coating PVA systems resin aqueous solution (Japanese synthetic chemical industry
Company system, trade name " GOHSEFIMER (registration mark) Z-200 ", resin concentration：3 weight %) and it is bonded protective film (thickness
25 μm), then heated 5 minutes in 60 DEG C of baking oven is maintained at.Then, from PVA resin peeling base, being made has thoroughly
Penetrate rate 42.3%, 5 μm of thickness polarisation part Polarizer (width：1200mm, length 43m).
Then, on the polarisation part side surface of obtained Polarizer, the tool of slider has been peeled off by adhesive phase fitting
There is the surface protective film 1 of adhesive phase, layered product is made.Obtained layered product is impregnated in the alkaline solution of normal temperature respectively
In (sodium hydrate aqueous solution, 1mol/L (1N)) 30 seconds in 8 seconds, and 0.1mol/L (0.1N) hydrochloric acid.Then, at 60 DEG C
Lower drying, PET film is peeled off, the Polarizer for including the polarisation part with hyalomere is made.
[embodiment 2~8]
In addition to using the surface protective film with adhesive phase that table 1 is recorded respectively, make similarly to Example 1
The Polarizer of the polarisation part with hyalomere must be included.
(comparative example 1~12)
In addition to using the surface protective film with adhesive phase that table 1 is recorded respectively, make similarly to Example 1
The Polarizer of the polarisation part with hyalomere must be included.
To the hyalomere of the polarisation part formed in each embodiment and comparative example, transmissivity and iodine are measured by the following method
Content.
1. transmissivity (Ts)
Measured using spectrophotometer (color technical research institute system, product name " DOT-3 " in village).Transmissivity (T) is logical
2 degree of visuals field (illuminant-C) for crossing JIS Z 8701-1982 carry out the Y value after visibility correction.
2. content of iodine
By x-ray fluorescence analysis, the content of iodine of the hyalomere of polarisation part is tried to achieve.Specifically, by following conditions
Under the X-ray intensity that measures, utilize the standard curve made in advance using Standard testing agent to try to achieve the content of iodine of polarisation part.
Analytical equipment：Electric machine industry fluorescent x-ray analyzer (XRF) product name " ZSX100e " of science
To negative electrode：Rhodium
Analyzing crystal：Lithium fluoride
Exciting light energy：40kV-90mA
Iodine measures line：I-LA
Sizing technique：FP methods
2 θ horns：(103.078deg iodine)
Time of measuring：40 seconds
The hyalomere of obtained polarisation part all has more than 90% transmissivity in each embodiment and comparative example, and content of iodine is all
Less than 1 weight %.These hyalomeres can work as non-polarized portion.
[evaluation method]
The shape degree of integration for each hyalomere that measurement is formed on Polarizer by the following method.1000 on polarisation part
In individual hyalomere, if it is ◎ that ratio of the shape degree of integration more than 0.05, which is less than 40% person, sets shape degree of integration more than 0.05
The ratio of person be less than 50% person be zero, set ratio of the shape degree of integration more than 0.05 more than 60% as ×.As a result show
In table 1.
[shape degree of integration]
Use ultrahigh speed flexibility image display system (KEYENCE company systems, trade name：XG7700), carry out embodiment 1~
8 and comparative example 1~12 in obtained polarisation part non-polarized portion rim detection, try to achieve the approximate circle in non-polarized portion.Every 2 ° of surveys
Measure the circumference (Fig. 3 A and Fig. 3 B dotted portion) and polarisation part 1 and border (Fig. 3 A in non-polarized portion 2 of the approximate circle in the non-polarized portion
And Fig. 3 B bold portion) distance, try to achieve the distance altogether at 180.For measurement point, polarisation part 1 and non-polarized portion 2
When border is located at the outside of the approximate circle in non-polarized portion (that is, Fig. 3 A situation), 2 circle approximate with non-polarized portion of measurement non-polarized portion
Distance a, and when the border in polarisation part 1 and non-polarized portion 2 is located at the inner side of the approximate circle in non-polarized portion (that is, Fig. 3 B situation), survey
Measure the distance b of the circle approximate with non-polarized portion of non-polarized portion 2.Calculate the summation conduct of distance a maximum and distance b maximum
Hole roughness.With hole diameter (embodiment 1~4 and comparative example of the value divided by formation of the hole roughness calculated in PET film
1~3 and 7~9：2mm, embodiment 5~8 and comparative example 4~6 and 10~12：4mm), the value of shape degree of integration is tried to achieve.
[table 1]
The embodiment 1~8 for the polarizing film layered product that thickness using adhesive phase is less than 10 μm is with high finished product rate system
There must be the polarisation part in the non-polarized portion for corresponding to the hole shape formed in PET film.If with such non-polarized
The polarisation part in portion, for example, in use, alignment processability in a manner of the camera section that non-polarized portion corresponds to image display device
Improve, the position alignment of camera can be carried out well.Even in the as low as 2mm embodiment of the aperture located at surface protective film
In 1~4, the polarisation part with the non-polarized portion for nearly forming the hole shape in PET film can also be made.
Industrial applicability
The mobile phones such as smart mobile phone, notes type PC, flat board are applicable to by polarisation part made from the method for the present invention
PC etc. has the image display device (liquid crystal display device, organic el device) of camera.
Description of reference numerals
10 ... polarisation parts
20 ... protective films
30 ... surface protective films
50 ... surface protective films
60 ... adhesive phases
51 ... exposed divisions
71 ... through holes
100 ... polarizing film layered products
Claims (10)
1. a kind of manufacture method of the polarisation part with non-polarized portion, it includes：
In a surface side of polarisation part by the adhesive phase laminate surface protective film below 10 μm of thickness, a surface side is produced on
The process of polarizing film layered product with least one of exposed division for exposing the polarisation part；
The process for making the exposed division of the polarizing film layered product contact alkaline solution；And
The process that the surface protective film is removed from polarizing film layered product.
2. the manufacture method of polarisation part according to claim 1, wherein, the process for making the exposed division contact alkaline solution
Including the polarizing film layered product is impregnated in alkaline solution.
3. the manufacture method of polarisation part according to claim 1 or 2, wherein, described adhesive layer contains acrylic compounds tree
Fat.
4. according to the manufacture method of polarisation part according to any one of claims 1 to 3, it also includes making the polarizing film layer
The process of the exposed division contact acid solution of stack.
5. the manufacture method of polarisation part according to claim 4, wherein, the process for making the exposed division contact acid solution
Including the polarizing film layered product is impregnated in acid solution.
6. the manufacture method of polarisation part according to claim 5, wherein, the process for making the exposed division contact alkaline solution
Including the polarizing film layered product is impregnated in alkaline solution, and the process of exposed division contact acid solution is set to include inciting somebody to action
The polarizing film layered product is impregnated in acid solution.
7. according to the manufacture method of polarisation part according to any one of claims 1 to 6, wherein, the polarizing film layered product
In strip.
8. a kind of polarisation part, it is made by method according to any one of claims 1 to 7.
9. a kind of Polarizer, it has the polarisation part described in claim 8.
10. a kind of image display device, it possesses the Polarizer described in claim 9.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015127716A JP6152138B2 (en) | 2015-06-25 | 2015-06-25 | Manufacturing method of polarizer |
| JP2015-127716 | 2015-06-25 | ||
| PCT/JP2016/068133 WO2016208510A1 (en) | 2015-06-25 | 2016-06-17 | Method for manufacturing polarizer |
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| Publication Number | Publication Date |
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| CN107710038A true CN107710038A (en) | 2018-02-16 |
| CN107710038B CN107710038B (en) | 2020-11-03 |
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| CN201680037343.2A Active CN107710038B (en) | 2015-06-25 | 2016-06-17 | Method for manufacturing polarizing piece |
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|---|---|
| JP (1) | JP6152138B2 (en) |
| KR (1) | KR102003632B1 (en) |
| CN (1) | CN107710038B (en) |
| TW (1) | TWI709479B (en) |
| WO (1) | WO2016208510A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111239883A (en) * | 2020-02-19 | 2020-06-05 | 京东方科技集团股份有限公司 | Polarizer, LCD screen and OLED screen |
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| CN111239883B (en) * | 2020-02-19 | 2022-08-23 | 京东方科技集团股份有限公司 | Polarizer, LCD screen and OLED screen |
Also Published As
| Publication number | Publication date |
|---|---|
| JP6152138B2 (en) | 2017-06-21 |
| JP2017009906A (en) | 2017-01-12 |
| CN107710038B (en) | 2020-11-03 |
| TWI709479B (en) | 2020-11-11 |
| WO2016208510A1 (en) | 2016-12-29 |
| KR20180011244A (en) | 2018-01-31 |
| TW201707941A (en) | 2017-03-01 |
| KR102003632B1 (en) | 2019-07-24 |
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