CN109478383A - The manufacturing method of optical display panel and the manufacture system of optical display panel - Google Patents
The manufacturing method of optical display panel and the manufacture system of optical display panel Download PDFInfo
- Publication number
- CN109478383A CN109478383A CN201780045237.3A CN201780045237A CN109478383A CN 109478383 A CN109478383 A CN 109478383A CN 201780045237 A CN201780045237 A CN 201780045237A CN 109478383 A CN109478383 A CN 109478383A
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- China
- Prior art keywords
- film
- optical
- thin film
- optical thin
- mould release
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Classifications
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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
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- 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
-
- 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
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
Abstract
The manufacturing method that the optical display panel of mutually isostructural optical display panel can suitably be manufactured when thin optical functional film is fitted in optical element being applied in combination and rolling up to panel mode with piece to panel mode is provided.The manufacturing method of optical display panel includes: the optical thin film using web-like, and optical thin film is attached to the 1st panel manufacturing process of the one side of optical element；With the optical thin film of sheet is attached to the 2nd panel manufacturing process of the one side of optical element.2nd panel manufacturing process comprises the following steps: clipping the optical thin film removing mould release film of sheet and the adhesive phase that exposes; the optical thin film of sheet is attached to the one side of optical element; the 2nd surface protective film is removed from the optical thin film of the sheet for the state for being attached at optical element, the optical thin film of the sheet is the structure for being sequentially laminated with mould release film, adhesive phase, optical functional film, the 1st surface protective film, the 2nd surface protective film.
Description
Technical field
The present invention relates to the manufacture systems of the manufacturing method of optical display panel and optical display panel.
Background technique
Mould release film, adhesive phase, optical functional film (representative is polarizing film) and surface is sequentially laminated with to protect
The optical thin film of shield film is configured to web-like.Just like under type: for the optical thin film released from the optical thin film of the web-like, edge
Width direction retain mould release film by adhesive phase, optical functional film and surface protective film cut off (hemisect), from into
Mould release film is removed on optical thin film obtained from row cutting, optical thin film is fitted in into optics member by the adhesive phase of exposing
The mode (hereinafter also referred to " volume is to panel (roll to panel) mode " of part.) (for example, with reference to patent document 1 and 2).
On the other hand, the laminating type as the optical thin film different to panel mode from rolling up, just like under type: by stripping
The mode that the optical thin film that piece state is made in advance is fitted in optical element by the adhesive phase exposed from mould release film is (following
Also referred to as " piece is to panel (sheet to panel) mode ".) (for example, with reference to patent document 3).
Existing technical literature
Patent document
Patent document 1: Japanese Unexamined Patent Publication 2011-123208 bulletin
Patent document 2: Japanese Unexamined Patent Publication 2015-049115 bulletin
Patent document 3: Japanese Unexamined Patent Publication 2006-039238 bulletin
Summary of the invention
Problems to be solved by the invention
Status is that the manufacturing works of optical display panel hold a large amount of pieces to the manufacturing equipment of panel mode, is rolled up to panel
The manufacturing equipment of mode is few.
In recent years, it as the slimming of optical display panel is in progress, using polarizing film as representative, is developing than in the past more
Thin optical functional film (for example, 60 μm of polarizing films below of thickness).Rigidity (the springform of such optical functional film
Amount) it is low, it is easy to happen torsion, curling etc..Therefore, the piece of status has the worry that can not be coped with to the manufacturing equipment of panel mode.
In addition, newly occurring not only making using liquid crystal display panel as the manufacture of the optical display panel of representative scene
The feelings with mutually isostructural optical display panel are manufactured with rolling up to panel mode but piece being applied in combination to panel mode
Condition.For example, Patent Document 2 discloses: optical display panel is continuously manufactured by panel mode using volume, it is secondary to being judged as
The optical display panel of product implements reprocessing processing.It is contemplated that: in the case where substandard products do not have so much, in above-mentioned reprocessing
In processing when being bonded new optical functional film on optical element, piece will use to panel mode.In addition, it is also conceivable that: example
Such as when that there must be mutually isostructural optical display panel with short time mass production, panel mode can not be provided by volume
Piece can be applied in combination to panel mode in whole supply amounts.
But as described above, optical thin film is thinner, it is more easy to happen torsion, curling etc., therefore in piece to panel mode
In, the conveying of the optical thin film of sheet, the removing of mould release film, optical functional film are handled to laminating process of liquid crystal cells etc.
It becomes difficult, therefore has the significantly reduced worry of yield rate.
Even if the object of the present invention is to provide volume is applied in combination when thin optical functional film is fitted in optical element
It also can suitably manufacture the optical display panel of mutually isostructural optical display panel to panel mode with piece to panel mode
Manufacturing method.
The solution to the problem
The present invention is a kind of manufacturing method of optical display panel comprising the 1st panel manufacturing process and the manufacture of the 2nd panel
Process,
The 1st panel manufacturing process includes: the 1st attached process, uses web-like made of band-like optical thin film winding
Optical thin film, attach the optical thin film in at least any surface of optical element, to form optical display panel,
The 2nd panel manufacturing process includes: the 2nd attached process, attaches sheet in at least any surface of optical element
Optical thin film, so that optical display panel is formed,
In aforementioned 1st attached process,
The adhesive phase exposed from aforementioned band-like optical thin film removing mould release film is clipped, which is attached
In the aforementioned at least any surface of aforementioned optical element, the band-like optical thin film is released from the optical thin film of aforementioned web-like
, and to be sequentially laminated with the structure of the mould release film, the adhesive phase, optical functional film, the 1st surface protective film,
In aforementioned 2nd attached process,
The adhesive phase removing mould release film from the optical thin film of aforementioned sheet and exposing is clipped, by the optically thin of the sheet
Film is attached at the aforementioned at least any surface of aforementioned optical element, and the optical thin film of the sheet is thin to be sequentially laminated with aforementioned demoulding
Film, aforementioned adhesion oxidant layer, the structure of aforementioned optical function film, aforementioned 1st surface protective film, the 2nd surface protective film,
Aforementioned 2nd panel manufacturing process includes: the 2nd surface protective film stripping process, from being attached at aforementioned optical element
The optical thin film of aforementioned sheet of state remove aforementioned 2nd surface protective film.
In foregoing invention, aforementioned 1st attached process includes: cut off operation, by what is released from the optical thin film of aforementioned web-like
The band-like optical thin film is cut off with retaining the mould release film along the direction orthogonal with the length direction of the optical thin film；With,
Stripping process removes aforementioned mould release film from aforementioned optical thin film.
In foregoing invention, aforementioned band-like optical thin film is formed with notch in addition to aforementioned mould release film at predetermined intervals,
Aforementioned 1st attached process may include: stripping process, since the aforementioned optical that the optical thin film of aforementioned web-like is released
Aforementioned mould release film is gone back to inside by film, is thus removed.
In addition, another technical solution is a kind of manufacture system of optical display panel, it includes the 1st panel manufacturing department and
2nd panel manufacturing department,
The 1st panel manufacturing department includes: the 1st attaching portion, uses web-like made of band-like optical thin film winding
Optical thin film attaches the optical thin film in at least any surface of optical element, so that optical display panel is formed,
The 2nd panel manufacturing department includes: the 2nd attaching portion, attaches the light of sheet in at least any surface of optical element
Film is learned, so that optical display panel is formed,
Aforementioned 1st attaching portion clips the adhesive phase exposed from aforementioned band-like optical thin film removing mould release film, will
The optical thin film is attached at an aforementioned at least face for aforementioned optical element, and the band-like optical thin film is from aforementioned web-like
What optical thin film was released, and to be sequentially laminated with the mould release film, the adhesive phase, optical functional film, the 1st surface protection
The structure of film,
Aforementioned 2nd attaching portion clips the adhesive phase removing mould release film from the optical thin film of aforementioned sheet and exposing, will
The optical thin film of the sheet is attached at the aforementioned at least any surface of aforementioned optical element, and the optical thin film of the sheet is successively layer
It is laminated with aforementioned mould release film, aforementioned adhesion oxidant layer, aforementioned optical function film, aforementioned 1st surface protective film, the 2nd surface guarantor
The structure of film is protected,
Aforementioned 2nd panel manufacturing department can have from the optically thin of the aforementioned sheet for the state for being attached at aforementioned optical element
2nd surface protective film stripping portion of aforementioned 2nd surface protective film of film stripping.
In foregoing invention, aforementioned 1st attaching portion be can have:
Cutting portion, by the band-like optical thin film released from the optical thin film of aforementioned web-like along with the optical thin film
The orthogonal direction of length direction cut off with retaining the mould release film；With
Stripping portion removes aforementioned mould release film from aforementioned optical thin film.
In foregoing invention, aforementioned band-like optical thin film is formed with notch in addition to aforementioned mould release film at predetermined intervals,
Aforementioned 1st attaching portion can have since the aforementioned optical film of the optical thin film releasing of aforementioned web-like will be aforementioned de-
Mould film goes back to inside, the stripping portion thus removed.
In foregoing invention, use polarizing film as aforementioned optical function film, aforementioned 1st optical functional film, preceding
In the case where the case where stating 2 optical functional film or a component comprising polarizing film as its structure, band-like polarisation
The absorption axis direction of film can be parallel with the length direction of band-like polarizing film, can also be orthogonal to the longitudinal direction, may be used also
To be inclined (such as direction of the angle at 45 ° relative to length direction).In addition, the polarizing film of rectangular sheet
Absorbing axis direction can be parallel with length direction, can also be orthogonal to the longitudinal direction, can also be inclined (such as relative to length
Spend the direction of direction angle at 45 °).In addition, square sheet polarizing film absorption axis direction can with it is any one
Side is parallel, is also possible to inclined (such as direction of the angle at 45 ° relative to side).
In the present invention, the optical thin film of web-like is with can retaining mould release film by adhesive phase, optical functional film and table
Face protective film along with the orthogonal direction of the length direction of optical thin film (width direction), with opposite with optical element another
The corresponding interval in group side forms notch.According to this structure, in volume to (hemisect) optical thin film need not be cut off in panel mode.
In foregoing invention, aforementioned optical element can be the liquid crystal cells or organic EL units of VA mode or IPS mode.
As long as the shape of the optical element have with opposite one group while and it is another group opposite while shape, so that it may
To be square, rectangle, it is not particularly limited.It should be noted that in general, the opposite one group side of optical element and opposite
Another group of side it is orthogonal.
" volume is to panel mode " is that the optical thin film released since the optical thin film of web-like removes mould release film, clips exposing
Adhesive phase optical thin film is fitted in the mode of optical element.Herein, as long as in optics until removing mould release film
It is formed with the joint-cutting of specified interval on film in a manner of remaining mould release film along its width direction.Can before releasing
It is formed with joint-cutting on optical thin film, joint-cutting can also be formed with after releasing and before the removing of mould release film on optical thin film.
" piece is to panel mode " is to remove mould release film from the optical thin film that piece state is made in advance, clips the bonding of exposing
Optical thin film is fitted in the mode of optical element by oxidant layer.
The effect of invention
The optical thin film of web-like is used to manufacture in at least any surface of optical element successively layer to panel mode using volume
It is laminated with the optical display panel of the structure of adhesive phase, optical functional film and the 1st surface protective film.In addition, being provided with the 2nd
The treatability of the optical thin film of the sheet of surface protective film is improved, therefore can inhibit the generations such as torsion, curling, and use
Adhesive phase, optical functional film are sequentially laminated in manufacturing at least any discuss face to face in optical element to panel mode using piece
With the optical display panel of the structure of the 1st surface protective film.Moreover, from the optically thin of the sheet for fitting in optical display panel
2nd surface protective film is removed (such as removing) by film.As a result, can be manufactured in such a way that piece is to panel and pass through volume pair
The optical display panel of the identical stepped construction of the optical display panel that panel mode manufactures.
Detailed description of the invention
Fig. 1 is the schematic diagram for showing the optical pellicle of embodiment 1.
Fig. 2 is schematic diagram of the volume to the manufacture system of panel mode.
Fig. 3 is schematic diagram of the piece to the manufacture system of panel mode.
Specific embodiment
<optical pellicle>
Firstly, being illustrated to optical pellicle used in the present invention.Fig. 1 is the signal for showing optical pellicle
Figure.The top of Fig. 1 shows the side, vertical view face and local enlarged section of the 1st optical thin film 1 of web-like.The lower part of Fig. 1 is shown
Face and local enlarged section are overlooked in the side of 1st optical thin film 2 of sheet.1st optical thin film 1 of web-like is sequentially laminated with
1st mould release film 11, the 1st adhesive phase 12, the 1st optical functional film 13 and the 1st surface protective film 14.
1st optical thin film 1 of web-like is used to manufacture optical display panel in such a way that volume is to panel.In these cases,
The 1st band-like optical thin film 10 release from the 1st optical thin film 1 of web-like, width a is cut off unit C, and b is protected at predetermined intervals
11 ground of the 1st mould release film is stayed to cut off.Symbol s is the notch formed on the 1st optical thin film 10 by above-mentioned cutting.
In addition, the 1st optical thin film 2 of sheet is sequentially laminated with the 1st mould release film 21, the 1st adhesive phase 22, the 1st optics
Function film 23, the 1st surface protective film 24 and the 2nd surface protective film 25.The size of 1st optical thin film 2 of sheet is length
A, width b.1st optical thin film 2 of sheet is used to manufacture optical display panel in such a way that piece is to panel.
In the present embodiment, the 1st mould release film 11 is identical composition with the 1st mould release film 21.1st adhesive phase 12 with
1st adhesive phase 22 is identical composition.1st optical functional film 13 is identical composition with the 1st optical functional film 23.1st table
Face protective film 14 is identical composition with the 1st surface protective film 24 with the 2nd surface protective film 25." identical composition " is not only
It is that material, thickness etc. are completely the same, as long as substantially the same (for example, identical in manufacture quality).
In the present embodiment, the 1st surface protective film 14 (or 24) has the 1st base film and the 1st adhesive phase, folder
The 1st adhesive phase be laminated in the 1st optical functional film 13 (or 23).It should be noted that as other embodiment, the
1 surface protective film 14 (or 24) can be the film of self-adhesion mould assembly.
In the present embodiment, the 2nd surface protective film 25 has the 2nd base film and the 2nd adhesive phase, clip this
2 adhesive phases are laminated in the 1st surface protective film 24.It should be noted that the 2nd surface protection is thin as other embodiment
Film 25 can be the film of self-adhesion mould assembly.
(relationship of splitting power)
In addition, being greater than the 2nd surface in the peeling force of the 1st surface protective film 24 and the interlayer of the 1st optical functional film 23
The structure of the peeling force of the interlayer of protective film 25 and the 1st surface protective film 24.According to this structure, it can more successfully remove
2nd surface protective film 25.As the measurement of peeling force, cupping machine can be used for example.As stripping conditions, with
180 ° of removings in 0.3m/ minutes are measured.Peeling force is controlled by composition, thickness of adhesive etc..
The size relation of the peeling force of each interlayer in 1st optical thin film 2 of sheet is as follows.
The splitting power of 1st mould release film 21 and the 1st adhesive phase 22 be A,
The splitting power of 1st adhesive phase 22 and the 1st optical functional film 23 be B,
The splitting power of 1st optical functional film 23 and the 1st surface protective film 24 be C,
When the splitting power of 1st surface protective film 24 and the 2nd surface protective film 25 is D,
A<B、A<C、A<D。
Preferably A < D < C≤B or A < D < B≤C.
More preferably A < D < C < B.
According to the relationship of above-mentioned splitting power, it is able to suppress the 2nd surface protective film when removing 1 mould release film
It is stripped.
<optical functional film>
1st optical functional film 13,23 is not particularly limited as long as the film with optical function, can enumerate:
Polarizing film, phase-contrast film, bright enhancement film, diffusion film etc., representative is polarizing film.
(polarizing film)
In the present embodiment, it is preferable to use thickness (overall thickness) is 60 μm below inclined from the viewpoint of slimming
Optical thin film, more preferably 55 μm or less, further preferably 50 μm or less.It as polarizing film, such as can enumerate: (1) exist
The two sides of polarisation part are laminated with protective film (sometimes referred to as " polarisation part protective film ".) structure (sometimes referred to as " two protections are inclined
Optical thin film ".)；(2) structure (sometimes referred to as " single protection polarizing film " of protective film only is laminated in the unilateral side of polarisation part.)
Deng.
(polarisation part)
Polarisation part, which can be used, utilizes polarisation part made of polyvinyl alcohol resin.It as polarisation part, such as can enumerate: make
Iodine, dichroic dye dichroic substance be adsorbed to polyvinyl alcohol film, part formolation polyvinyl alcohol film, ethylene-
Vinyl acetate copolymer pastern divides the hydrophilic macromolecules such as saponified film film and carries out polarisation part made of simple tension, gathers
The polyenoid system such as dehydration treatment, dehydrochlorinated products of polyvinyl chloride of vinyl alcohol oriented film etc..It include poly- second in these
The polarisation part of the dichroic substances such as enol system film and iodine is suitable.
Polyvinyl alcohol film is dyed with iodine and carry out polarisation part made of simple tension for example and can pass through by
Polyvinyl alcohol film is impregnated in the aqueous solution of iodine to be dyed, and is stretched to 3~7 times of raw footage to make.As needed
It can also can also be impregnated in the aqueous solution of potassium iodide etc. comprising boric acid, zinc sulfate, zinc chloride etc..And then as needed also
Polyvinyl alcohol film can be impregnated in water to wash before dyeing.By carrying out water to polyvinyl alcohol film
It washes, so as to clean pollutant, the anti-blocking agent on polyvinyl alcohol film surface, furthermore by keeping polyvinyl alcohol film molten
Swollen, also having prevents from dyeing unequal non-uniform effect.Stretching can be carried out after with iodine staining, can also with Edge Coloring side into
Row stretches, and in addition can also be dyed after the stretch with iodine.Can also in the aqueous solution of boric acid, potassium iodide etc., water-bath into
Row stretches.
From the viewpoint of slimming, the thickness of polarisation part is preferably 10 μm or less, further preferably 8 μm or less, into
One step is preferably 7 μm or less, further preferably 6 μm or less.On the other hand, the thickness of polarisation part is preferably 2 μm or more, into one
Preferably 3 μm or more of step.The uneven thickness of such slim polarisation part is few, visual excellence, and in addition change in size is small, therefore
To the excellent in te pins of durability of thermal shock.On the other hand, for the polarizing film comprising 10 μm of thickness polarisation parts below, due to film
Rigidity (elasticity modulus) be significantly lower, therefore in piece to high a possibility that in panel mode, twisting, crimp etc..Therefore,
Instant invention is especially suited for the polarizing films.
As slim polarisation part, can typically enumerate:
No. 4751486 specifications of Japanese Patent No.,
No. 4751481 specifications of Japanese Patent No.,
No. 4815544 specifications of Japanese Patent No.,
No. 5048120 specifications of Japanese Patent No.,
No. 2014/077599 pamphlet of International Publication No.,
No. 2014/077636 pamphlet of International Publication No.
The slim polarisation part that the slim polarisation part or the manufacturing method by recording in these documents recorded in obtain.
The polarisation part preferably meets following formula with optical characteristics represented by singleton transmittance T and degree of polarization P
P>-(100.929T-42.4- 1) × 100 (wherein, T < 42.3) or
P >=99.9 (wherein, T >=42.3)
The mode of condition constitute.The polarisation part constituted in a manner of meeting aforementioned condition unambiguously has as making
Performance required by display with the liquid crystal display television of large-scale display element.Specifically contrast 1000:1 or more and most
Big brightness 500cd/m2More than.As other purposes, such as the visible side of organic EL units can be fitted in.
As aforementioned slim polarisation part, in the process stretched comprising the state with laminated body and the process dyed
Preparation method in, especially from can be stretched to high magnification and can be improved polarizing properties aspect, preferably by such as Japanese
No. 4751481 No. 4751486 specification of patent, Japanese Patent No. specifications are remembered in No. 4815544 specifications of Japan Patent
It include polarisation part obtained from the preparation method of the process stretched in boric acid aqueous solution as load, particularly preferably using such as special
In No. 4815544 sharp No. 4751481 specification, patent specifications it is recorded it is such be included in boric acid aqueous solution drawn
Polarisation part obtained from the preparation method of the process secondarily stretched in the air before stretching.These slim polarisation parts can be by including
Polyvinyl alcohol resin (hereinafter also referred to PVA system resin) layer and stretching are drawn with resin base material in the state of laminated body
The preparation method of the process stretched and the process dyed and obtain.When for the preparation method, even if PVA resin is thin, can also it pass through
It is stretched with resin base material support without being stretched a problem that fracture caused by stretching.
(protective film (polarisation part protective film))
As constitute protective film material, preferably clear, mechanical strength, thermal stability, moisture barrier property, respectively to same
The excellent materials such as property.Such as can enumerate: the Polyesters such as polyethylene terephthalate, polyethylene naphthalate are poly-
Close the acrylic polymerics such as cellulose-based polymer, the polymethyl methacrylates such as object, cellulose diacetate, cellulose triacetate
Styrenics, the polycarbonate based polymers such as object, polystyrene, acrylonitritrile-styrene resin (AS resin) etc..Separately
Outside, the example as the polymer for forming above-mentioned protective film can also enumerate: polyethylene, polypropylene have ring system or drop ice
Polyolefin polymer, vinyl chloride-based polymer, nylon, fragrance as the polyolefin of piece alkene structure, ethylene-propylene copolymer
The amides such as polyamide based polymer, imide series polymer, sulfone based polymer, polyether sulfone based polymer, polyether-ether-ketone system are poly-
Close object, polyphenylene sulfide based polymer, vinyl alcohol system polymer, vinylidene chloride based polymer, vinyl butyral based polymer, virtue
Ester based polymer, polyformaldehyde based polymer, epoxy based polymer or blend of above-mentioned polymer etc..
It should be noted that may include a kind of any of the above additive appropriate in protective film.As additive, example
Can such as enumerate: ultraviolet absorbing agent, antioxidant, lubricant, plasticizer, release agent, anti-coloring agent, fire retardant, nucleating agent,
Antistatic agent, pigment, colorant etc..The content of above-mentioned thermoplastic resin in transparent protective film be preferably 50 weight %~
It 100 weight %, more preferably 50 weight of weight %~99 %, is more preferably 60 weight of weight %~98 %, particularly preferred
For 70 weight of weight %~97 %.When the content of above-mentioned thermoplastic resin in transparent protective film is less than 50 weight %, have
It is unable to fully to show the worry of high transparency that thermoplastic resin has originally etc..
As aforementioned protective film, phase-contrast film, bright enhancement film, diffusion film etc. can also be used.
Hard conating, anti-reflection layer, adherent layer, diffusion layer can be set in the face for not being bonded polarisation part of aforementioned protective film
Or the functional layers such as antiglare layer.It should be noted that the functions such as above-mentioned hard conating, anti-reflection layer, adherent layer, diffusion layer, antiglare layer
Layer is also used as the component different from transparent protective film separately in addition to can be set other than transparent protective film is on itself
Setting.
(holding sheet)
Aforementioned protective film and polarisation part can clip the holding sheets such as adhesive layer, adhesive phase, priming coat (prime coat)
Stacking.At this time, it is generally desirable to the two is laminated in a manner of no the air gap holding sheet.
Adhesive layer is formed by bonding agent.The type of bonding agent is not particularly limited, various bonding agents can be used.Before
Adhesive layer is stated to be not particularly limited as long as optically transparent, as bonding agent, can be used water system, solvent system, hot melt system,
The bonding agent of the various forms such as active energy ray curable, but water system bonding agent or active energy ray curable bonding agent are
Suitable.
As water system bonding agent, can be exemplified out: isocyanates system bonding agent, polyethenol series bonding agent, gelatin system are viscous
Connect agent, ethylene base system latex system, water system polyester etc..Water system bonding agent can usually be made in the form of the bonding agent comprising aqueous solution
With usually containing the solid component of 0.5 weight of weight %~60 %.
Active energy ray curable bonding agent is by electron ray, ultraviolet light (radical-curable, cationic curing
Type) the cured bonding agent of isoreactivity energy-ray progress, for example, can be with electron beam curing type, the shape of ultraviolet hardening
Formula uses.Optical free radical curing type bonding agent can be used for example in active energy ray curable bonding agent.Use optical free radical
When the active energy ray curable bonding agent of curing type is as ultraviolet hardening, which contains free-radical polymerisedization
Close object and Photoepolymerizationinitiater initiater.
It should be noted that in layered polarization part and protective film, it can between transparent protective film and adhesive layer
Adhesive layer is arranged.Adhesive layer for example can be by with polyester backbone, polyether skeleton, polycarbonate backbone, polyurethane bone
The various resins of frame, organic silicon-type, polyamide backbone, polyimide backbone, polyvinyl alcohol skeleton etc. are formed.These polymer trees
Rouge can be used alone, or two or more is applied in combination.In addition, other additions can also be added in the formation of adhesive layer
Agent.Specifically, the stabilizers such as tackifier, ultraviolet absorbing agent, antioxidant, heat-resisting stabilizing agent can also be further used
Deng.
Adhesive phase is formed by adhesive.As adhesive, various adhesives can be used, such as can enumerate: rubber
It is adhesive, acrylic adhesive, organic silicon-type adhesive, carbamate system adhesive, the bonding of vinyl alkyl ethers system
Agent, polyvinylpyrrolidone system adhesive, Polyacrylamide adhesive, cellulose-based adhesive etc..According to aforementioned adhesion agent
Type select the base polymer of adhesiveness.It is excellent from optical transparence, show suitable profit in aforementioned adhesion agent
, it is preferable to use acrylic acid series from the perspective of the adhesion characteristic of moist, cohesion and cementability, weatherability, heat resistance etc. are excellent
Adhesive.
Priming coat (prime coat) is formed to improve the adaptation of polarisation part and protective film.As composition priming paint
The material of layer, as long as playing both base film and polyvinyl alcohol resin layer the material of a degree of strong closing force
Material is just not particularly limited.Such as the excellent thermoplastic resins etc. such as the transparency, thermal stability, draftability can be used.As heat
Plastic resin, such as can enumerate: acrylic resin, polyolefin-based resins, polyester based resin, polyvinyl alcohol resin or
Their mixture.
(surface protective film)
1st, the 2nd surface protective film be set in optical thin film polarizing film single side (non-laminate adhesive oxidant layer
Face), the optical functional films such as protection polarizing film.
Tool may be selected from the viewpoints such as inspectability, managerial as the 1st, base film of the 2nd surface protective film
There is the thin-film material of isotropism or near-isotropic.It as the thin-film material, such as can enumerate: poly terephthalic acid second
The polyester based resins such as terephthalate films, cellulose-based resin, acetic acid esters system resin, polyether sulfone system resin, polycarbonate-based resin,
The transparent polymer of polyamide resin, polyimides system resins, polyolefin-based resins, acrylic resin etc.These
Preferred polyester based resin in the middle.Base film can also be used in the form of the layered product of one kind or two or more thin-film material,
In addition it can use the stretching thing of aforementioned film.The thickness of base film is preferably 10 μm~150 μm or less, further preferably
It is 20 μm~100 μm.
1st, the 2nd surface protective film can use aforementioned substrates film in the form of the film of self-adhering-type, additionally may be used
To use the film with aforementioned substrates film and adhesive phase.Go out from the viewpoint of the optical functional films such as protection polarizing film
Hair, the 1st, it is preferable to use the films with adhesive phase for the 2nd surface protective film.
Adhesive phase used in stacking as the 1st, the 2nd surface protective film, such as can be suitable for selecting and using
It is poly- with (methyl) acrylic acid series polymeric compounds, organic silicon-type polymer, polyester, polyurethane, polyamide, polyethers, fluorine system, rubber series etc.
Close adhesive of the object as basic polymer.From the viewpoint of the transparency, weatherability, heat resistance etc., preferably with acrylic acid series
Acrylic adhesive of the polymer as basic polymer.The thickness (dry film thickness) of adhesive phase is according to required bonding force
To determine.Usually 1 μm~100 μm or so, preferably 5 μm~50 μm.
It should be noted that the 1st, the 2nd surface protective film can be handled by organosilicon, chain alkyl is handled, at fluorine
Lift-off processing layer is arranged in opposing face of the low cementitious materials such as reason in the face for being provided with adhesive phase.
<adhesive phase>
Suitable adhesive can be used in the formation of adhesive phase 12,22, to the kind thereof is not particularly limited.As bonding
Agent can enumerate: elastomeric adhesive, acrylic adhesive, organic silicon-type adhesive, carbamate system adhesive, second
Alkenyl alkyl ethers system adhesive, polyethenol series adhesive, polyvinylpyrrolidone system adhesive, Polyacrylamide bonding
Agent, cellulose-based adhesive etc..
, it is preferable to use optical transparence is excellent, shows suitable wetability, cohesion and bonding in these adhesives
The excellent adhesives such as adhesion characteristic, weatherability, the heat resistance of property.As the adhesive for showing such feature, preferably
Use acrylic adhesive.
It as the method for forming adhesive phase 12,22, such as can be made using following method: aforementioned adhesion agent is coated with
It is dry to remove polymer solvent etc. and form adhesive phase in the mould release film (isolation film) etc. being release-treated, it is transferred to later
The method of polarisation part (or transparent protective film)；Or it is coated with described adhesive on polarisation part (or transparent protective film), it is dry
It removes polymer solvent etc. and forms the method etc. of adhesive phase on polarisation part.It should be noted that in coating adhesive, also
It can be suitable for new more than one the solvent being added other than polymer solvent.
As the mould release film being release-treated, organosilicon release liner is preferably used.It is coated on such liner
Adhesive of the invention simultaneously makes it dry and is formed in the process of adhesive phase, as the method for keeping adhesive dry, Ke Yigen
According to purpose using suitable, method appropriate.It is preferable to use the methods being thermally dried to above-mentioned film.Heat drying temperature is excellent
It is selected as 40 DEG C~200 DEG C, further preferably 50 DEG C~180 DEG C, particularly preferably 70 DEG C~170 DEG C.By by heating temperature
It is set as above range, so as to obtain the adhesive for the adhesion characteristic for having excellent.
Drying time can be using suitable, reasonable time.Above-mentioned drying time is preferably 5 seconds~20 minutes, further
Preferably 5 seconds~10 minutes, particularly preferably 10 seconds~5 minutes.
As the forming method of the 1st adhesive phase 12,22, various methods can be used.Specifically, can for example enumerate:
Roller coating, roller lick coating, intaglio plate coating, coating, roller are reversed to brush cloth, spraying, dipping roller coating, stick painting, blade coating, air knife painting
Cloth, lip coating, utilizes the methods of extrusion coating methods of die coating machine etc. at curtain coating.
The thickness of 1st adhesive phase 12,22 is not particularly limited, for example, 1 μm~100 μm or so.Preferably 2 μm~
50 μm, more preferably 2 μm~40 μm, further preferably 5 μm~35 μm.
<mould release film>
1st mould release film 11,21 is until for protecting adhesive phase until practical.As the constituent material of mould release film,
Such as it can enumerate: the plastic films such as polyethylene, polypropylene, polyethylene terephthalate, polyester film, paper, cloth, nothing
The suitable sheet etc. such as the porous materials such as woven fabric, net, foamed sheet, metal foil and their layered product, it is excellent from surface smoothness
It is suitable for using plastic film from the perspective of different.
It as the plastic film, is not particularly limited as long as the film that can protect described adhesive layer, such as can
It enumerates: polyethylene film, polypropylene film, polybutene film, polybutadiene membrane, poly-methyl pentene film, polyvinyl chloride
Film, vinyl chloride copolymer film, pet film, polybutylene terephthalate (PBT) film, poly- ammonia
Ester film, vinyl-vinyl acetate copolymer film etc..
The thickness of 1st mould release film 11,21 is usually 5 μm~200 μm, preferably 5 μm~100 μm or so.As needed
Release agent, the dioxy using organic silicon-type, fluorine system, chain alkyl system or fatty acid acyl amine system can also be carried out to the isolation film
The antistatic treatment of the demoulding of SiClx powder etc. and antifouling process, application type, mixed milling type, vapor deposition type etc..In particular, by described
The surface suitable of mould release film carries out the lift-off processings such as organosilicon processing, chain alkyl processing, fluorine processing, can further increase
From the fissility of described adhesive layer.
(liquid crystal cells, liquid crystal display panel)
Liquid crystal cells be relative configuration a pair of of substrate (the 1st substrate (visible surface) Pa, the 2nd substrate (back side) Pb) it
Between structure made of sealing fluid crystal layer.Any type of liquid crystal cells can be used in liquid crystal cells, but in order to realize high contrast,
It is preferable to use the liquid crystal cells of vertically oriented (VA) mode, plane conversion (IPS) mode.Liquid crystal display panel is in liquid crystal cells
One or two sides fitting polarizing film made of, be assembled with driving circuit as needed.
(organic EL units, organic EL display panel)
Organic EL units are that structure made of electroluminescence layer is clamped between a pair of electrodes.Organic EL units can for example make
With top light emitting (Top Emission) mode, bottom-emission (Bottom Emission) mode and the double-deck luminous (Double
Emission) any type of organic EL units such as mode.Organic EL display panel is the one or two sides in organic EL units
It is bonded made of polarizing film, is assembled with driving circuit as needed.
(rolling up the 1st panel manufacturing department to panel mode)
Fig. 2 shows the volumes for the 1st optical thin film 1 for having used web-like to the manufacture system of the optical display panel of panel mode
System.In present embodiment, liquid crystal cells are enumerated for optical element and are illustrated as an example, for optical display panel column
Liquid crystal display panel is enumerated to be illustrated as an example.
It is thin that 1st optical thin film 1 of web-like is sequentially laminated with the 1st mould release film 11, the 1st adhesive phase 12, the 1st optical function
Film 13 and the 1st surface protective film 14.As shown in Figure 1,1 width of the 1st optical thin film of web-like is a, has corresponding to liquid crystal surface
The width (being essentially the width shorter than the long side of liquid crystal cells P) of the long side of plate.
As shown in Fig. 2, the manufacture system of the liquid crystal display panel of present embodiment, which is included, is delivered to the 1st for liquid crystal cells P
1st delivery section 81 in attaching portion 64, to use the 1st optical thin film 1 of web-like liquid crystal cells P the 1st face P1 attach it is optically thin
The 2nd delivery section 82 that liquid crystal cells P after film is conveyed.Each delivery section has for by along orthogonal with conveying direction
The parallel rotary shaft in direction pivots about to be constituted to convey multiple conveying roller R of liquid crystal cells P.It needs to illustrate
It is can also have adsorption plate etc. other than conveying roller and constitute.
(liquid crystal cells conveying operation)
From the incorporating section 91 of storage liquid crystal cells P, liquid crystal cells P is configured in the way of top surface by the 1st face P1 to the 1st defeated
Portion 81 is sent, and is conveyed by the rotation of conveying roller R to the 1st attaching portion 64.
(the 1st optical thin film releases process, the 1st optical thin film cut off operation)
The 1st mould release film 11 is fixed in band-like 10 side of the 1st optical thin film absorption released from the 1st optical thin film 1 of web-like
Side cutting portion 61 in a manner of retaining the 1st mould release film 11 with not cutting off by band-like adhesive phase 12, the band-like the 1st
Optical functional film 13, the 1st band-like surface protective film 14 cut into prescribed level (short side corresponding to liquid crystal cells P
Length (being essentially the length shorter than short side)), form notch s.The cutting carried out by cutting portion 61 can for example enumerate
Using the cutting (utilizing the cutting for cutting saw blade tool) of cutter, utilize the cutting of laser aid.After indicating cutting with the arrow of Fig. 2
An example of notch s, but in order to be easy explanation and enlarged depiction notch.Niproll (not shown) can be disposed on and cut
The structure of 1st optical thin film 10 of the upstream side or downstream side in disconnected portion 61 for conveying band.It should be noted that niproll
It can be only fitted to the upstream side and downstream side of cutting portion 61.
(tension adjustment process)
In order to make processing for a long time not in the attaching of the cutoff process of the 1st band-like optical thin film 10 and back segment processing
It is interruptedly carried out continuously and handles and be provided with the 1st tension adjustment portion 62 to adjust the slackness of film.1st tension tune
Section portion 62 is for example constituted with the trip gear for having used hammer.Niproll (not shown) can be disposed on the 1st tension adjustment
The upstream side or downstream side in portion 62 are used to convey the structure of the 1st optical thin film 10.It should be noted that niproll can also configure
In the upstream side and downstream side in the 1st tension adjustment portion 62.
(stripping process)
1st optical thin film 10 is wound overturning in the 1st stripping portion 63, and the 1st optical thin film is removed from the 1st mould release film 11
10.1st mould release film 11 is batched in rolls by the 1st reeling end 65.1st reeling end 65 has roller and rotary driving part, rotation driving
1st mould release film 11 is wound into a roll by portion and rotation by making roller.In addition, niproll (not shown) can be disposed on stripping portion
63 upstream side or downstream side are used to convey the structure of the 1st optical thin film 10 or the 1st mould release film 11.It should be noted that folder
It holds roller also and can be only fitted to the upstream side and downstream side of stripping portion 63.
(the 1st attached process)
It is glued on the 1st face P1 of liquid crystal cells P when conveying liquid crystal cells P by the 1st adhesive phase 12 in 1st attaching portion 64
Patch has removed the 1st optical thin film 10 of the 1st mould release film 11.1st attaching portion 64 is made of a pair the 1st roller 64a and the 2nd roller 64b.
It can be that any one is driven roller and another one is driven voller, being also possible to two rollers is driven roller.While by the 1st roller 64a of a pair,
2 roller 64b clamp the 1st optical thin film 10 and the side liquid crystal cells P and they are delivered to downstream, thus attach the 1st optical thin film 10
In the 1st face P1 of liquid crystal cells P.Liquid crystal cells P after the 1st face P1 of liquid crystal cells P attaches the 1st optical thin film 10 of sheet
Downstream is transported to by the 2nd delivery section 82.
(2nd panel manufacturing department of the piece to panel mode)
Fig. 3, which is shown, has used the piece of the 1st optical thin film 2 of sheet to the manufacture system of the optical display panel of panel mode
System.In present embodiment, liquid crystal cells are enumerated for optical element and are illustrated as an example, for optical display panel column
Liquid crystal display panel is enumerated to be illustrated as an example.
It is thin that 1st optical thin film 2 of sheet is sequentially laminated with the 1st mould release film 21, the 1st adhesive phase 22, the 1st optical function
Film 23, the 1st surface protective film 24 and the 2nd surface protective film 25.As shown in Figure 1, the 1st optical thin film 2 of sheet be long a,
Wide b has the width (being essentially the width shorter than the long side of liquid crystal cells P) of the long side corresponding to liquid crystal display panel.
As shown in figure 3, the manufacture system of the liquid crystal display panel of present embodiment, which is included, is delivered to piece for liquid crystal cells P
3rd delivery section 181 of label apparatus 164 (being equivalent to the 2nd attaching portion), to use the 1st optical thin film 2 of sheet in liquid crystal cells P
The 1st face P1 optical film adhered after the 4th delivery section 182 that is conveyed of liquid crystal cells P.Each delivery section has for passing through
It conveys multiple conveyings of liquid crystal cells P to be pivoted about along the rotary shaft parallel with the orthogonal direction of conveying direction and uses
Roller R and constitute.It should be noted that can also have adsorption plate etc. other than conveying roller and constitute.
(liquid crystal cells conveying operation)
From the incorporating section 191 of storage liquid crystal cells P, liquid crystal cells P is configured in the way of top surface by the 1st face P1 to the
3 delivery sections 181, and conveyed by the rotation direction turning piece label apparatus 164 of conveying roller R.
From the container 100 for the 1st optical thin film 2 for containing sheet, pass through the adsorption section 164a suction sheet of piece label apparatus 164
1st optical thin film 2 of shape is simultaneously supplied to bonding position.It is using stripping unit that the 1st mould release film 21 is optically thin from the 1st of sheet
Film 2 is removed.The adsorption plane of adsorption section 164a is section arc-shaped.Stripping unit is for example pasted adhesive tape by using adhesive tape
Keep adhesive tape mobile together in 21 face of the 1st mould release film and by mobile mechanism to remove the 1st mould release film 21.
The 1st face side P1 that there is piece label apparatus 164 stationary plane 164b, stationary plane 164b to adsorb fixed liquid crystal cells P.With rolling
The mode of dynamic adsorption section 164a will remove the 1st mould release film 21 and expose the 1st light of the sheet of the state of the 1st adhesive phase 22
Learn the 1st face P1 that film 2 is attached at liquid crystal cells P.
(the 2nd surface protective film stripping process)
After the 1st optical thin film 2 for attaching sheet, the 2nd surface protective film 25 is removed.Lift-off processing can be with manual behaviour
It carries out, can also be carried out with stripping off device.
In above-mentioned 1st panel manufacturing department, optics has been attached in such a way that volume is to panel to the one side (the 1st face P1) of liquid crystal cells
Film, but it is not limited to this.Can also another side (the 2nd face P2) to liquid crystal cells also in a manner of rolling up to panel or piece is to panel
Mode optical film adhered.
In above-mentioned 2nd panel manufacturing department, optics has been attached in such a way that piece is to panel to the one side (the 1st face P1) of liquid crystal cells
Film, but it is not limited to this.Can also another side (the 2nd face P2) to liquid crystal cells also in a manner of rolling up to panel or piece is to panel
Mode optical film adhered.
Above-mentioned 1st, in the 2nd panel manufacturing department, after optical thin film is attached at any surface or two sides, optics can be carried out
It checks.According to the result (such as in the case where being determined as substandard products) of optical check, can be removed from liquid crystal cells (optical element)
Optical thin film attaches optical element again with the 2nd panel manufacturing department (piece is to panel mode) to remanufacture liquid crystal display panel (light
Learn display panel).
(variation)
In the present embodiment, it uses by optical pellicle as the optical thin film of the optical thin film of web-like and sheet
It is illustrated in the case where method for continuous production of liquid crystal display panel, however, not limited to this, it is aobvious to can be used for organic EL
Show the method for continuous production of panel.
In embodiment, as the optical thin film of web-like, above-mentioned optical thin film, but the knot of the optical thin film of web-like have been used
Structure is not limited to this.For example, can also use other than mould release film and be formed with the band-like of multiple cut line in the width direction
Optical thin film winding made of film (optical thin film for having joint-cutting).
In embodiment, cutting (hemisect) band-like optical thin film at predetermined intervals in the width direction, but from improve at
From the perspective of product rate, (jump is cut) band can be cut off in the width direction in a manner of avoiding the defect part of band-like optical thin film
The optical thin film of shape, can also be with the size smaller than specified interval (size of optical element) (more preferably with as small as possible big
It is small) optical thin film of the cutting comprising defect part.
In embodiment, enumerates and be illustrated for the liquid crystal cells and liquid crystal display panel of rectangular rectangle, but liquid crystal
The shape of unit and liquid crystal display panel as long as with opposite one group while and it is another group opposite while shape as long as without spy
It does not limit.
Description of symbols
The optical thin film of 1 web-like
11 mould release films
12 adhesive phases
13 optical functional films
14 the 1st surface protective films
The optical thin film of 2 sheets
21 mould release films
22 adhesive phases
23 optical functional films
24 the 1st surface protective films
25 the 2nd surface protective films
Claims (6)
1. a kind of manufacturing method of optical display panel comprising the 1st panel manufacturing process and the 2nd panel manufacturing process,
The 1st panel manufacturing process includes: the 1st attached process, uses the light of web-like made of band-like optical thin film winding
Film is learned, attaches the optical thin film in at least any surface of optical element, so that optical display panel is formed,
The 2nd panel manufacturing process includes: the 2nd attached process, attaches the optics of sheet in at least any surface of optical element
Film, so that optical display panel is formed,
In 1st attached process,
The adhesive phase exposed from the band-like optical thin film removing mould release film is clipped, which is attached at institute
State at least any surface of optical element, the band-like optical thin film be released from the optical thin film of the web-like, and
And to be sequentially laminated with the structure of the mould release film, the adhesive phase, optical functional film, the 1st surface protective film,
In 2nd attached process,
The adhesive phase removing mould release film from the optical thin film of the sheet and exposing is clipped, the optical thin film of the sheet is pasted
Invest at least any surface of the optical element, the optical thin film of the sheet be sequentially laminated with the mould release film,
The structure of described adhesive layer, the optical functional film, the 1st surface protective film, the 2nd surface protective film,
The 2nd panel manufacturing process includes: the 2nd surface protective film stripping process, from the shape for being attached at the optical element
The optical thin film of the sheet of state removes the 2nd surface protective film.
2. the manufacturing method of optical display panel according to claim 1, wherein the 1st attached process includes:
Cut off operation, by the band-like optical thin film released from the optical thin film of the web-like along the length with the optical thin film
The orthogonal direction in degree direction is cut off with retaining the mould release film；With,
Stripping process removes the mould release film from the optical thin film.
3. the manufacturing method of optical display panel according to claim 1, wherein the band-like optical thin film is except described
It is formed with notch at predetermined intervals outside mould release film,
1st attached process includes: stripping process, since the optical thin film that the optical thin film of the web-like is released is by institute
It states mould release film and goes back to inside, thus remove.
4. a kind of manufacture system of optical display panel, it includes the 1st panel manufacturing department and the 2nd panel manufacturing department,
The 1st panel manufacturing department includes: the 1st attaching portion, uses the optics of web-like made of band-like optical thin film winding
Film attaches the optical thin film in at least any surface of optical element, so that optical display panel is formed,
The 2nd panel manufacturing department includes: the 2nd attaching portion, attaches the optically thin of sheet in at least any surface of optical element
Film, so that optical display panel is formed,
The 1st attaching portion clips the adhesive phase exposed from the band-like optical thin film removing mould release film, by the light
At least any surface that film is attached at the optical element is learned, the band-like optical thin film is the optics from the web-like
What film was released, and to be sequentially laminated with the mould release film, the adhesive phase, optical functional film, the 1st surface protective film
Structure,
The 2nd attaching portion clips the adhesive phase removing mould release film from the optical thin film of the sheet and exposing, by the piece
The optical thin film of shape is attached at at least any surface of the optical element, and the optical thin film of the sheet is to be sequentially laminated with
The mould release film, described adhesive layer, the optical functional film, the 1st surface protective film, the 2nd surface protection are thin
The structure of film,
The 2nd panel manufacturing department, which has from the optical thin film of the sheet for the state for being attached at the optical element, removes institute
State the 2nd surface protective film stripping portion of the 2nd surface protective film.
5. the manufacture system of optical display panel according to claim 4, wherein the 1st attaching portion includes
Cutting portion, by the band-like optical thin film released from the optical thin film of the web-like along the length with the optical thin film
The orthogonal direction in degree direction is cut off with retaining the mould release film；With,
Stripping portion removes the mould release film from the optical thin film.
6. the manufacture system of optical display panel according to claim 4, wherein the band-like optical thin film is except described
It is formed with notch at predetermined intervals outside mould release film,
There is the optical thin film released since the optical thin film of the web-like to roll over the mould release film in the 1st attaching portion
Return to inside, the stripping portion thus removed.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016144846A JP6732580B2 (en) | 2016-07-22 | 2016-07-22 | Optical display panel manufacturing method and optical display panel manufacturing system |
| JP2016-144846 | 2016-07-22 | ||
| PCT/JP2017/023956 WO2018016289A1 (en) | 2016-07-22 | 2017-06-29 | Optical display panel production method and optical display panel production system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109478383A true CN109478383A (en) | 2019-03-15 |
| CN109478383B CN109478383B (en) | 2021-07-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201780045237.3A Active CN109478383B (en) | 2016-07-22 | 2017-06-29 | Method and system for manufacturing optical display panel |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JP6732580B2 (en) |
| KR (1) | KR102425954B1 (en) |
| CN (1) | CN109478383B (en) |
| TW (1) | TWI729163B (en) |
| WO (1) | WO2018016289A1 (en) |
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| TWI775071B (en) * | 2020-05-05 | 2022-08-21 | 威光自動化科技股份有限公司 | Automatic peeling method and device for lower release film of adhesive tape with upper and lower release films |
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Also Published As
| Publication number | Publication date |
|---|---|
| JP6732580B2 (en) | 2020-07-29 |
| WO2018016289A1 (en) | 2018-01-25 |
| TWI729163B (en) | 2021-06-01 |
| CN109478383B (en) | 2021-07-27 |
| TW201805146A (en) | 2018-02-16 |
| KR102425954B1 (en) | 2022-07-28 |
| KR20190026033A (en) | 2019-03-12 |
| JP2018013728A (en) | 2018-01-25 |
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