CN206515501U - The manufacture device of optical film - Google Patents
The manufacture device of optical film Download PDFInfo
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- CN206515501U CN206515501U CN201621116729.6U CN201621116729U CN206515501U CN 206515501 U CN206515501 U CN 206515501U CN 201621116729 U CN201621116729 U CN 201621116729U CN 206515501 U CN206515501 U CN 206515501U
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- optical film
- manufacture device
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- 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
- G02B5/3041—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 comprising multiple thin layers, e.g. multilayer stacks
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/89—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles
- G01N21/892—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles characterised by the flaw, defect or object feature examined
- G01N21/894—Pinholes
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
- G02B1/10—Optical coatings produced by application to, or surface treatment of, optical elements
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Polarising Elements (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
Abstract
The purpose of this utility model, which is that offer is a kind of, can simply determine that the manufacture device of the optical film of the roller group of defect may be caused.The film implementation of conveying is handled and possesses the multiple rollers contacted with the film come the manufacture device for the optical film for manufacturing optical film, the multiple roller is divided into multiple groups according to the eigenvalue of each roller, in the case that mark at any in the circumference of each roller is transferred on the film, the eigenvalue is determined in mode corresponding with the spacing of the mark on the film after the processing.
Description
Technical field
The utility model is related to a kind of manufacture device of optical film.
Background technology
Optical film refers to that component for being used as Optical devices etc. is used for the film of optical applications.In image display device (liquid crystal
Display device, organic EL display etc.) as various optical films are used in Optical devices, its typical example is for liquid crystal
The polarization plates of showing device etc..Polarization plates are usually the laminated optical film that diaphragm is fitted with least one side of polarizing coating.Separately
Outside, it is also respectively optical film to constitute the polarizing coating of polarization plates, diaphragm.
The manufacture method of optical film include transport membrane (including raw material film and to raw material film implement it is various processing and manufacture
The optical film gone out) conveying operation.What the manufacture method of polarization plates was fitted including polarizing coating, diaphragm and by them
The conveying operation of laminated optical film, simultaneously various processing are implemented (for example, joint place with the conveying operation along transport path
Reason).
However, in the conveying operation of film as described above, producing damage, pollution, pin hole sometimes on the surface of the film
Etc. defect.In the past, various methods (Japanese Unexamined Patent Publication 11-223608 publications, the Japan for having for detecting such defect are proposed
JP 2003-344301 publications etc.).Such defect can reduce the quality of Optical devices, therefore should be removed, and be
Do not reduce yield rate and it is preferred that suppressing the generation of defect.
Citation
Patent document 1：Japanese Unexamined Patent Publication 11-223608 publications
Patent document 2：Japanese Unexamined Patent Publication 2003-344301 publications
In the manufacture device of optical film is manufactured to the film of conveying implementation processing, possess the various rollers contacted for film and (draw
Deflector roll, doubling roller, chill roll, heating roller etc.).In such roller, if surface is contaminated, the pollution can be transferred on film,
So as to produce damage, pollution on the surface of the film.On the surface of the roller used in the manufacture device of optical film, being attached with is used for
The bonding agent of the laminating of film, or the salt of the treatment fluid of processing for film is precipitated with, so as to easily produce pollution.The surface of roller
Although pollution can be removed more by the simple method such as cleaning by cleaning fluid, be difficult the roller for visually determining pollution, and another
On the one hand, do not know the roller of pollution and be also highly difficult if all rollers are cleaned as object.
Utility model content
The present inventor etc. thinks, in the manufacturing process of optical film, in the case of producing defect on optical film, as long as energy
It is enough simply to determine that the roller group of defect be caused just very useful.This is because, by determining that the roller of defect may be caused
Group, thus, it is possible to carry out the maintenance such as cleaning to the roller group determined, so as to suppress effectively and simply the generation of defect.In
It is that the purpose of this utility model, which is that offer is a kind of, can simply determine that the manufacture of the optical film of the roller group of defect may be caused
Device.
The utility model provides the manufacture device of optical film as shown below.
[1] a kind of manufacture device of optical film, its film implementation to conveying handles to manufacture optical film, wherein, the light
The manufacture device for learning film possesses the multiple rollers contacted with the film, and the multiple roller is divided into many according to the eigenvalue of each roller
Individual group, in the circumference of each roller a little at mark be transferred on the film in the case of, the eigenvalue with
The corresponding mode of spacing of the mark on film after the processing is determined.
[2] manufacture device of the optical film according to [1], wherein, the spacing of the mark is the week based on the roller
Long and being calculated by putting the multiplying power for the extension implemented untill the processing is completed to the film from the roller.
[3] manufacture device of the optical film according to [1], wherein, the spacing of the mark is by the roller
Some places in circumference will mark what is transferred and gone out by measured in advance to the film.
[4] manufacture device of the optical film according to any one of [1]~[3], wherein, the manufacture dress of the optical film
Put and be also equipped with：Inspection portion, its spacing to the periodicity defect on the film after the completion of the processing is measured；And really
Determine portion, its spacing and the eigenvalue based on the defect are described belonging to the roller of defect to determine to cause
Group.
[5] manufacture device of the optical film according to any one of [1]~[3], wherein, the manufacture dress of the optical film
Put and be also equipped with maintenance department, the maintenance department is safeguarded to belonging to by the roller in described group that the determining section is determined.
[6] manufacture device of the optical film according to [4], wherein, the manufacture device of the optical film is also equipped with safeguarding
Portion, the maintenance department is safeguarded to belonging to by the roller in described group that the determining section is determined.
[7] manufacture device of the optical film according to [5], wherein, the maintenance department includes cleaning the roller
Cleaning part.
[8] manufacture device of the optical film according to [6], wherein, the maintenance department includes cleaning the roller
Cleaning part.
[9] a kind of manufacture method of optical film, its film implementation to conveying handles to manufacture optical film, wherein, the light
Learning the manufacture method of film includes making film contact the conveying operation while transport membrane with multiple rollers, and the multiple roller is according to each roller
Eigenvalue and be divided into multiple groups, in the circumference of each roller a little at mark be transferred to feelings on the film
Under condition, the eigenvalue is determined in mode corresponding with the spacing of the mark on the film after the processing.
Utility model effect
According to the utility model, it in the manufacture device of optical film, can simply determine that the roller of defect may be caused
Group.
Brief description of the drawings
Fig. 1 is the sectional view of one of the manufacture device for showing optical film of the present utility model (polarizing coating).
Fig. 2 is the sectional view of one of the manufacture device for showing optical film of the present utility model (polarization plates).
Fig. 3 (a), (b) is the manufacture dress for showing the optical film that the determining method for the eigenvalue to roller is illustrated
The sectional view put.
Fig. 4 is the section view for the manufacture device for showing the optical film that the determining method for the eigenvalue to roller is illustrated
Figure.
Fig. 5 is the sectional view of one of the manufacture device for showing optical film of the present utility model.
Description of reference numerals
1st, 1 ', 1 " roller
2nd, 2 ', 2 " roller
3 films
4a, 4b processing unit
5 inspection portions
10 blank films
11 blank rollers
13 are swelled bath
15 dye baths
17 crosslinking baths
19 cleaner baths
21~35 guide reels
50~55 pinching rollers
60 polarizing coatings
61st, 62 diaphragm
63rd, 70 drying oven
64 polarization plates
65th, 81 inspection portion
71~73 heating rollers
Embodiment
[manufacture device and manufacture method of optical film]
The utility model is related to the manufacture device and system implemented processing to the film of conveying and manufacture the optical film of optical film
Make method.The manufacture device of optical film of the present utility model possesses the multiple rollers contacted with film, and multiple rollers are intrinsic according to each roller
It is worth and is divided into multiple groups.In the circumference of each roller a little at mark be transferred on film in the case of, each roller is consolidated
There is value to be determined in mode corresponding with the spacing of the mark on the film after processing.
Described mark is the concept for determining the eigenvalue of roller herein, is determined in the method by following (a) solid
Assumed that in the case of having value, and in the case where determining eigenvalue by the method for following (b), it is real in pilot study
Assign to border and marking to roller.In the case where determining eigenvalue by the method for above-mentioned (b), assigned in pilot study to roller
As long as marking the mark that can be transferred to film, it is not particularly limited, can is the protruded object that shape can be transferred to film,
It can be the coloured marking that color can be transferred to film.Spacing and the manufacture work in film for the mark of the eigenvalue that determines roller
The spacing of the periodicity defect from roller detected in sequence on film is consistent.As the periodicity defect from roller, if
Think it is that the defects such as damage, pollution, pin hole are produced on the surface of roller, they are transferred to defect formed by film etc..As in roller
Surface on the pollution that produces, it is contemplated that be the bonding agent attachment of laminating for film and the pollution, the processing for film that produce
Salting out for treatment fluid and pollution for producing etc..
(decision of eigenvalue)
The eigenvalue of each roller can be determined by following method (a) or method (b).
(a) set the Zhou Changwei L of roller, from roller by putting the multiplying power of the extension implemented untill handling and completing to film as n, general
The eigenvalue being worth as roller corresponding with n × L.For example, regarding n × L as eigenvalue.
(b) as pilot study, to a little assigning the mark that can be transferred to film in the circumference of roller, on the film after processing
The spacing of mark be measured, using value corresponding with the measured value as roller eigenvalue.For example, the measured value is made
For eigenvalue.
According to the process content in the manufacture device of optical film, the multiplying power n accurately extended is sometimes indefinite.At this
In the case of kind, the eigenvalue of roller is preferably determined by above-mentioned method (b).
Using Fig. 3 (a), (b), the determining method of the eigenvalue of each roller in the manufacture device of optical film is specifically carried out
Explanation.Manufacture device shown in Fig. 3 (a), (b) possesses different two rollers 1,2 and processing unit 4a of girth, is to conveying
Film 3 is implemented to handle and manufacture the device of optical film by processing unit 4a.The girth of roller 1 is set to L1, the girth of roller 2 is set to
L2.Roller 1 is in a ratio of path, therefore the ＜ perimeter Ls 2 of perimeter L 1 with roller 2.
As shown in Fig. 3 (a), in the case that a little assigning on the circumference to roller 1 marks 1a, mark 1a is transferred
To film 3.The spacing by the mark 1a ' on the film 3 after roller 1 is transferred to as P1 if setting, spacing P1 and roller 1 perimeter L 1 one
Cause.Then, the implementation of film 3 is handled by processing unit 4a.If being transferred to by between the mark 1a ' on the film 3 after processing unit 4a
Away from for P11.In processing unit 4a, if set film 3 is extended n times, P11=n × P1=n × L1 along its length.Fig. 3 (a)
The situation that n times of extension ratio at processing unit 4 is 1 times is shown.
In device shown in (a) in Fig. 3, the eigenvalue of roller 1 is determined in mode corresponding with spacing P11.Spacing P11
The value (method (a)) that can be the value (method (b)) determined in pilot study or be calculated by n × L1.
As shown in Fig. 3 (b), in the case that a little assigning on the circumference to roller 2 marks 2a, mark 2a is transferred
To film 3.The spacing by the mark 2a ' on the film 3 after roller 2 is transferred to as P2 if setting, spacing P2 and roller 2 perimeter L 2 one
Cause.Then, the implementation of film 3 is handled by processing unit 4a.If being transferred to by between the mark 2a ' on the film 3 after processing unit 4a
Away from for P21.In processing unit 4a, if set film 3 is extended n times, P21=n × P2=n × L2 along its length.Fig. 3 (b)
N times of extension ratio for showing processing unit 4a is 1 times of situation.
In device shown in (b) in Fig. 3, the eigenvalue of roller 2 is determined in mode corresponding with spacing P21.Spacing P21
The value (method (a)) that can be the value (method (b)) determined in pilot study or be calculated by n × L2.
Fig. 4 shows processing unit 4b overall elongation multiplying power n 1 times of big situation of multiple proportions.In Fig. 4, if being transferred to by processing
The spacing of the mark 1a ' on film 3 after portion 4b is P12.If setting the overall elongation multiplying power at processing unit 4b as n times, P12=n ×
P1=n × L1, P12 and n times be 1 times when Fig. 3 (a) shown in device in P11 it is different.That is, even identical roller 1,
In the case of the difference of the extension ratio by putting the length direction untill handling and completing from roller 1, the eigenvalue of roller is also
Different values.
(division of group)
In the manufacture device of optical film of the present utility model, multiple rollers are divided into multiple groups according to eigenvalue.Profit
With Fig. 5, concrete example is shown to the situation that how multiple rollers are divided into group according to eigenvalue in the manufacture device of optical film.Figure
The manufacture device of optical film shown in 5 is to be also equipped with having and the identical of roller 1 in the manufacture device shown in Fig. 3 (a), (b)
The roller 1 ', 1 " of diameter, i.e. identical perimeter L 1, and be also equipped with the roller with the identical diameter of roller 2, i.e. identical perimeter L 2
2 ', 2 " device.To being handled by film 3 after roller 1,1 ', 1 " using identical processing unit 4a implementations, thus they have it is identical
Eigenvalue.Processing unit 4a extension ratio is 1 times, therefore the eigenvalue of roller 1,1 ', 1 " is set into perimeter L 1, will be had intrinsic
Value L1 roller is divided into a group G1.To being handled by the film 3 after roller 2,2 ', 2 " using identical processing unit 4a implementations, therefore they
With identical eigenvalue.Processing unit 4a extension ratio is 1 times, therefore the eigenvalue of roller 2,2 ', 2 " is set into perimeter L 2, will
Roller with eigenvalue L2 is divided into a group G2.A group division is shown in table 1.
[table 1]
| Group name | The eigenvalue of roller | Belong to the roller of group |
| Group G1 | L1 | Roller 1,1 ', 1 " |
| Group G2 | L2 | Roller 2,2 ', 2 " |
(inspection operation)
The manufacture device of optical film shown in Fig. 5 possesses by the periodicity defect on the film 3 after processing unit 4a
Away from the inspection portion 5 being measured.As long as inspection portion 5 can detect that its detection method does not have to the defect on the surface of film 3
Be particularly limited to, for example, detected to the optical imagery on the surface of film 3, to the image that detects by being smoothed, two
The image procossings such as subdifferential, binaryzation and detect defect.Moreover, in the defect detected, for lacking that periodicity is produced
Fall into, calculate its spacing.
(determining process)
The manufacture device of optical film shown in Fig. 5 possesses determining section (not shown).Determining section is divided based on the group shown in table 1
Data, carry out the determination process that the group of roller to that may cause the defect for determining spacing is determined.It can also replace
Determining section, and the data divided by group of the people according to the table 1 are determined process.In the cycle determined by inspection portion 5
In the case that the spacing of property defect is, for example, L1, will be defined as containing the group G1 with the spacing L1 identical eigenvalues may
Cause the group of the roller of defect.In the case where the spacing of the periodicity defect determined by inspection portion 5 is, for example, L2, will contain with
The group G2 of the spacing L2 identical eigenvalues is defined as that the group of the roller of defect may be caused.
It should be noted that there is also the eigenvalue for the roller for causing defect and the periodicity defect determined by inspection portion 5
Spacing between occur the situation of deviation, therefore in determining section, it is considered preferred to which the deviation determines to cause the group of defect.Separately
Outside, the above-mentioned situation to the division of group mode group corresponding with an eigenvalue is illustrated, but it is also possible to
With the division of group mode group corresponding with the eigenvalue for being contained in certain number range.The roller for belonging to each group can be one
It is individual or multiple.
(maintenance procedures)
It is preferred that it is determined that carrying out maintenance procedures after process.In maintenance procedures, to belonging to by determining that process is determined
Group roller, cleaned, repaired, changed according to its bad situation.The state for the roller determined can also be passed through
Visually confirmed, thus judge that what kind of, which is appropriate for, safeguards.Or, it can also first be cleaned, then pass through inspection
Process is looked into detect also to carry out next maintenance in the case of defect.Which can also further determine that in the roller in group is belonged to
Roller causes defect, and then only the roller is safeguarded.Maintenance procedures by spray come cleaning roller etc. not stopper film conveying i.e.
In the case of can carrying out, can not stopper film conveying and carry out, and needing to repair, change etc. in the case of, stopper film
Conveying and carry out.
, can be in the way of the common roller of the method energy of maintenance belongs to same group for the division methods of the group of multiple rollers
Divided.For example, the roller that can be cleaned with identical cleaning fluid easily realizes that the method for maintenance is common.In addition, by identical
Material constitute roller easily realize that the method for maintenance is common.The girth for the roller that can select to configure in each operation is (or straight
Footpath) so that each roller is divided in desired group.According to the utility model, it is possible to easily determine defect may be caused
The group of roller.In addition, by being safeguarded based on the determination, the periodicity defect thus, it is possible to suppress effectively and easily film
Generation.
The optical film produced by manufacture device of the present utility model and manufacture method is for example used as image and shown
The optical component of a component of Optical devices, can enumerate polarizing coating, have as showing device (liquid crystal display device etc.)
The diaphragm of surface-treated layer, the diaphragm (phase retardation film) with phase difference characteristics and at least one side of polarizing coating
It is fitted with polarization plates of diaphragm etc..As the surface-treated layer set on the surface of diaphragm, can enumerate hard conating,
Antiglare layer, antistatic backing, anti-reflection layer, stain-proofing layer etc..In this manual, optical film can be that polylayer forest can also be individual layer
Body.
<First embodiment>
In the first embodiment, while the embodiment of the manufacture device of polarizing coating and manufacture method is shown,
Manufacture device and manufacture method to optical film of the present utility model are described in detail.
(conveying operation)
Fig. 1 is the sectional view of one of the manufacture device used in the manufacture method for be shown schematically in polarizing coating.Fig. 1
The manufacture device of shown polarizing coating is constituted as follows：The one side of film 10 being made up of polyvinyl alcohol resin is continuous from blank roller 11
Ground roll out while along film transport path convey so that film 10 pass sequentially through set on film transport path be swelled bath 13,
Dye bath 15, crosslinking bath 17 and cleaner bath 19, then pass through drying oven 70 (conveying operation).Obtained polarizing coating 60 by
Inspection portion 81 carry out defect inspection after, for example, can with a polarization plates production process directly down (polarizing coating 60 one side or
The process of laminating diaphragm on two sides) conveying.Arrow in Fig. 1 shows the conveying direction of film.Bath 13, dyeing are swelled in Fig. 1
Bath 15, crosslinking bath 17 and cleaner bath 19 is such, the collecting on film transport path is implemented to polyvinyl alcohol resin film
The bath of the treatment fluid of processing is also collectively referred to as " processing bath ".
The manufacture device of polarizing coating is also equipped with the film progress to conveying in addition to above-mentioned each processing bath and drying oven 70
Supporting and/or multiple rollers of processing.In Fig. 1, the film of conveying is supported or and then film conveying direction can be become
Guide reel 21~35 more, the film of conveying can be pressed, be clamped and driving force caused by being rotated assigns film or entered
And film conveying direction can be changed pinching roller 50~55, the heating that is promoted is dried to the film in drying oven 70
Roller 71~73 is configured in position as roller.
Guide reel, pinching roller can be managed throughout to be configured in bath, the front and rear of drying oven, processing bath, thus, it is possible to carry out film
To the importing of processing bath, dipping and the export (reference picture 1) from processing bath.For example, throughout setting more than one in reason bath
Guide reel, carry out transport membrane along above-mentioned guide reel, thus, it is possible to by film immersion in it is each processing bathe.Described in this specification
Roller is not limited to above-mentioned guide reel, pinching roller and heating roller, and is included in rotated when being contacted with the film conveyed all
Roller, such as including the roller to film surface forming, the chill roll of cooling film.Roller can be that driven roller can also be free roll.
Polarization film manufacturing device shown in Fig. 1 throughout manages the front and rear of bath and is configured with pinching roller (pinching roller 50~54), by
This can implement to extend between roller in any more than one processing bath, be extended through between the roller to the configuration before and after processing bath
Apply all speed differences between pinching roller to carry out longitudinal uniaxial extension.
(division of group)
Multiple rollers (guide reel 21~35, pinching roller 50~55, heating roller 71~73) root that Fig. 1 manufacture device possesses
According to the girth of roller and from roller determine the intrinsic of each roller by the way that the multiplying power for the extension implemented to film is put untill inspection portion 81
Value, so as to be divided into each group.In Fig. 1, " path roller ", " central diameter roller ", " big footpath (are set to using the roller with three kinds of girths
Roller ").If the Zhou Changwei L3 of path roller, the Zhou Changwei L4, the Zhou Changwei L5 of big footpath roller of central diameter roller.
To the film 10 rolled out from blank roller 11 it is the stretched PTFE film that has extended and film is not untill inspection portion 81 from blank roller 11
N times of the extension ratio by putting the film untill inspection portion 81 in the case of being extended, i.e. from each roller is in the case of 1 times
One of the division methods of group illustrates.The eigenvalue of each roller uses the value calculated based on girth and extension ratio.Table 2 is lifted
Go out one of the division of the group carried out based on described eigenvalue.
[table 2]
| Group name | The eigenvalue of roller | Belong to the roller of group |
| Group G3 | L3 | Guide reel 21~35 |
| Group G4 | L4 | Pinching roller 50~55 |
| Group G5 | L5 | Heating roller 71~73 |
Guide reel 21~35 is divided into the group G3 of path roller, and pinching roller 50~55 is divided into the group G4 of central diameter roller, plus
Hot-rolling 71~73 is divided into the group G5 of big footpath roller.The information of the division of group is for example in determining section (not shown) or outside
Kept in determining section.The division methods of group according to table 2, the roller of identical type (guide reel, pinching roller, heating roller) is to belong to
It is divided in same group of mode, therefore, it is possible to make the method for maintenance common, so it is preferred that.It is not limited to the group shown in table 2
Division methods, device can also be for example manufactured and designed as follows：By easy attachment from the pollution for being swelled bath roller group,
Easily attachment from dye bath pollution roller group, easily attachment from crosslinking bath pollution roller group and easily it is attached
The roller group for the pollution from cleaner bath is respectively divided into same group.In this case, to the roller of each group, dirt will can be used as
Solution in the processing bath of the reason for dye is cleaned etc. as cleaning fluid, so as to make the method for maintenance common, therefore
And it is preferred that.
In the present embodiment, a group number is set to 3, but as long as being more than 2 to be not particularly limited.Of the present utility model
In the determining section of manufacture device, to the determination of roller of defect may be caused to be carried out by determining the group belonging to it.In roller
In the case that the species of girth is defined, the species of the eigenvalue of roller is also defined, thus preferably with according to each eigenvalue come structure
Into the mode carry out group division of different groups.Wherein, more than the species of the girth of roller situation, in the manufacturing process of optical film
With various multiplying powers implement extension processing situation be eigenvalue species more than in the case of, can also provide to belong to the intrinsic of each group
The scope of value and the division organized.
Belong to the scope of eigenvalue of each group in regulation come in the case of the division organized, can by increase group number come
Reduce the quantity for the roller for belonging to each group.So as to after it will be arranged to the maintenance procedures that the roller in the group determined is safeguarded
In the case of section, the quantity as the roller for safeguarding object can be reduced, the complex of maintenance procedures can be reduced.Belong to each group
The quantity of roller can also be one.
It should be noted that the division on group, can be directed to the roller being independently arranged on group in device, afterwards basis
Eigenvalue suitably to carry out a group division, can also precalculate with the eigenvalue postponed and be selected to desired eigenvalue
Roller is configured in each position and carry out group division.Precalculating with the eigenvalue postponed and be selected to desired eigenvalue
Roller configure in the case of each position, for example, can to belong to different group by region in the way of select roller.In the feelings
Under condition, the roller configuration of safeguarding object it is determined that in process, can determine the region that the roller of defect may be caused to be configured, is being used as
This advantage is easily carried out in the same area, therefore with the maintenance in maintenance procedures.
(inspection operation)
Manufacture device of the present utility model possesses the inspection portion 81 for carrying out inspection operation, and the inspection operation is to polarizing coating 60
The defect on surface is detected.As long as inspection portion 81 can be detected to the defect on the surface of polarizing coating 60, it is detected
Method is not particularly limited, for example, detected to the optical imagery on the surface of polarizing coating 60, to the image that detects by entering
Row smoothing, second differential, the image procossing such as binaryzation and detect defect.Moreover, in the defect detected, for the cycle
Property produce defect, calculate its spacing.
In the manufacture device shown in Fig. 1, the position in inspection portion 81 is set to the back segment of drying oven 70, but inspection portion 81
Position is not limited to described position, can also be arranged on more forward than drying oven 70 section of position.In the determination process of back segment
In, can be only scarce to determine to cause as object using more forward than inspection portion 81 section of roller according to the position in inspection portion 81
The group of sunken roller.It should be noted that in the manufacture device and manufacture method of present embodiment, detection can also be replaced to lack
Sunken inspection portion 81, and use the inspection operation detected by visual observation to the defect on the surface of polarizing coating 60.In the situation
Under, the defect testing its spacing produced also for periodicity.In addition, inspection operation can be as shown in Figure 1 in the conveying of film
Carry out, can also carry out in the following way on path：The polarizing coating that produces partly is cut to make the sample of check object
Product, the generation of periodicity defect is whether there is to the sample detection and the spacing of defect is detected in the case where generating.
(determining process)
Then, in determining section (not shown), based on preservation group divide eigenvalue data, carry out to including with survey
The determination process that group including the corresponding eigenvalue of spacing for the defect made is determined.Can also be by group of the people according to management
The data of division are determined process.
The defect that making yield rate in the grade optical film of polarizing coating 60 reduces is typically sized to 10 μm~50 μm this degree.
Optical film is used as the component of Optical devices, therefore due to scattering, refraction, diffraction when light is incident etc., visually observes optical film
When defect size may than be present in roller turn into defect the reason for undesirable condition (foreign matter, damage etc.) size more
Greatly.Therefore, be only if visually confirming to the state of roller be difficult to cause to existing sometimes defect undesirable condition (foreign matter,
Damage etc.) roller be determined.Even if, also can be right in this case, according to device of the present utility model and method
The group belonging to the roller of defect may be caused to be determined, can be by carrying out maintenance procedures to the roller in group come effectively and simple
Ground suppresses the generation of defect.
(maintenance procedures)
It is preferred that it is determined that carrying out maintenance procedures after process.In maintenance procedures, to belonging to by determining that process is determined
Group in roller, cleaned, repaired, changed according to its undesirable condition.The state for the roller determined can also be passed through
Visually confirmed, thus judge that what kind of, which is appropriate for, safeguards.Or, it can also first be cleaned, then pass through inspection
Process is looked into detect also to carry out next maintenance in the case of defect.Which can also further determine that in the roller in group is belonged to
Roller causes defect, and then only the roller is safeguarded.Maintenance procedures by spray come cleaning roller etc. not stopper film conveying i.e.
In the case of can carrying out, can not stopper film conveying and carry out, and needing to repair, change etc. in the case of, stopper film
Conveying and carry out.
<Second embodiment>
In this second embodiment, while the embodiment of the manufacture device of polarization plates and manufacture method is shown,
The division of the group of manufacture device and manufacture method to optical film of the present utility model is described in detail.Fig. 2 is signal
The sectional view of one of manufacture device used in the manufacture method of polarization plates is shown to property.In the polarization plates shown in Fig. 2
In manufacture device, convey diaphragm 61,62 parallel up and down at it together with polarizing coating 60, make (not scheme in the intermembranous bonding agent that accompanies
Show) and the layered product of three films (polarizing coating 60, diaphragm 61,62) of stacking passes through between a pair of doubling rollers 39.Then, lead to
Crossing drying oven 63 causes bonding agent to dry, so as to produce the polarization that diaphragm 61,62 is fitted with the two sides of polarizing coating 60
Plate 64.Polarization plates 64 are taken up after being checked by inspection portion 65.
In the manufacture device shown in Fig. 2, the guide reel 91 of the conveying of polarizing coating 60,92, the conveying of diaphragm 61 are used
Guide reel 93,94 and diaphragm 62 conveying guide reel 95,96 using different girths guide reel, to belong to respectively
Divided in the mode of different groups.By so with by region (conveyor zones of polarizing coating 60, the delivery area of diaphragm 61
Domain, the conveyor zones of diaphragm 62) and the mode that belongs to different groups select and configure roller, can so that it is determined that in process
The region (group) configured to the roller that may cause defect is determined, thus is configured as the roller for safeguarding object in same area
In domain, therefore this advantage is easily carried out with the maintenance in maintenance procedures.
Inspection operation in present embodiment, determine process, the detailed content of maintenance procedures as in first embodiment
Described in described above like that.
Claims (6)
1. a kind of manufacture device of optical film, its film implementation to conveying handles to manufacture optical film,
The manufacture device of the optical film is characterised by,
The manufacture device of the optical film possesses the multiple rollers contacted with the film,
The multiple roller is divided into multiple groups according to the eigenvalue of each roller,
In the circumference of each roller a little at mark be transferred on the film in the case of, the eigenvalue with institute
The corresponding mode of spacing for stating the mark on the film after processing is determined.
2. the manufacture device of optical film according to claim 1, it is characterised in that
The spacing of the mark is girth based on the roller and right untill the processing is completed by putting from the roller
The multiplying power for the extension that the film is implemented and be calculated.
3. the manufacture device of optical film according to claim 1, it is characterised in that
The spacing of the mark is will to mark to transfer and surveyed in advance to the film by some places in the circumference of the roller
Make.
4. the manufacture device of optical film according to any one of claim 1 to 3, it is characterised in that
The manufacture device of the optical film is also equipped with：
Inspection portion, its spacing to the periodicity defect on the film after the completion of the processing is measured；And
Determining section, its spacing and the eigenvalue based on the defect, to determine to cause belonging to the roller of defect
Described group.
5. the manufacture device of optical film according to claim 4, it is characterised in that
The manufacture device of the optical film is also equipped with maintenance department, and the maintenance department is to belonging to as described in being determined the determining section
The roller in group is safeguarded.
6. the manufacture device of optical film according to claim 5, it is characterised in that
The maintenance department includes the cleaning part cleaned to the roller.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015-203692 | 2015-10-15 | ||
| JP2015203692 | 2015-10-15 |
Publications (1)
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| CN206515501U true CN206515501U (en) | 2017-09-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621116729.6U Active CN206515501U (en) | 2015-10-15 | 2016-10-12 | The manufacture device of optical film |
| CN201610891824.1A Active CN106886070B (en) | 2015-10-15 | 2016-10-12 | Optical film manufacturing apparatus and optical film manufacturing method |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610891824.1A Active CN106886070B (en) | 2015-10-15 | 2016-10-12 | Optical film manufacturing apparatus and optical film manufacturing method |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP2017075936A (en) |
| KR (1) | KR20170044598A (en) |
| CN (2) | CN206515501U (en) |
| TW (1) | TWI694963B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106886070A (en) * | 2015-10-15 | 2017-06-23 | 住友化学株式会社 | The manufacture device of optical film and the manufacture method of optical film |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7079365B1 (en) * | 2021-09-28 | 2022-06-01 | 日東電工株式会社 | A method for manufacturing a stretched film, a method for manufacturing an optical laminate, and a film stretching device. |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09109372A (en) * | 1995-10-18 | 1997-04-28 | Datsuku Eng Kk | Product inspecting apparatus and mark presence or absence inspecting means |
| JP3881506B2 (en) * | 2000-11-24 | 2007-02-14 | 住友化学株式会社 | Method and apparatus for determining roll-induced defects |
| JP4202707B2 (en) * | 2002-09-30 | 2008-12-24 | 富士フイルム株式会社 | Method for identifying periodic defect occurrence location and inspection system |
| KR20050013491A (en) * | 2003-07-28 | 2005-02-04 | 닛토덴코 가부시키가이샤 | Inspection method and inspection system of sheet type product |
| JP2005114624A (en) * | 2003-10-09 | 2005-04-28 | Nitto Denko Corp | Method for inspecting sheet-like product, system for inspecting the sheet-like product, the sheet-like product, and sheet object |
| US7797133B2 (en) * | 2008-09-10 | 2010-09-14 | 3M Innovative Properties Company | Multi-roller registered repeat defect detection of a web process line |
| JP5413275B2 (en) * | 2010-03-31 | 2014-02-12 | 東レ株式会社 | Periodic defect detection method, apparatus, and sheet-like object manufacturing method |
| JP6413243B2 (en) * | 2014-01-22 | 2018-10-31 | 大日本印刷株式会社 | Quality control system, quality control method, and program |
| JP2015172527A (en) * | 2014-03-12 | 2015-10-01 | 東レ株式会社 | Defect inspection device, and estimation device of defect occurrence position |
| JP2017075936A (en) * | 2015-10-15 | 2017-04-20 | 住友化学株式会社 | Apparatus for manufacturing optical film and method for manufacturing optical film |
-
2016
- 2016-09-23 JP JP2016185485A patent/JP2017075936A/en active Pending
- 2016-10-12 CN CN201621116729.6U patent/CN206515501U/en active Active
- 2016-10-12 CN CN201610891824.1A patent/CN106886070B/en active Active
- 2016-10-12 TW TW105132876A patent/TWI694963B/en active
- 2016-10-13 KR KR1020160132801A patent/KR20170044598A/en not_active Application Discontinuation
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106886070A (en) * | 2015-10-15 | 2017-06-23 | 住友化学株式会社 | The manufacture device of optical film and the manufacture method of optical film |
| CN106886070B (en) * | 2015-10-15 | 2020-07-28 | 住友化学株式会社 | Optical film manufacturing apparatus and optical film manufacturing method |
Also Published As
| Publication number | Publication date |
|---|---|
| TW201718381A (en) | 2017-06-01 |
| JP2017075936A (en) | 2017-04-20 |
| KR20170044598A (en) | 2017-04-25 |
| CN106886070B (en) | 2020-07-28 |
| CN106886070A (en) | 2017-06-23 |
| TWI694963B (en) | 2020-06-01 |
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