CN105093573A - Manufacturing method of optical display panel and manufacturing system of optical display panel - Google Patents

Manufacturing method of optical display panel and manufacturing system of optical display panel Download PDF

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Publication number
CN105093573A
CN105093573A CN201510303234.8A CN201510303234A CN105093573A CN 105093573 A CN105093573 A CN 105093573A CN 201510303234 A CN201510303234 A CN 201510303234A CN 105093573 A CN105093573 A CN 105093573A
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CN
China
Prior art keywords
blooming
optical unit
display panel
polarizing coating
face
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Granted
Application number
CN201510303234.8A
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Chinese (zh)
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CN105093573B (en
Inventor
秦和也
近藤诚司
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Nitto Denko Corp
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Nitto Denko Corp
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Publication of CN105093573A publication Critical patent/CN105093573A/en
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Publication of CN105093573B publication Critical patent/CN105093573B/en
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    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/133Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333Constructional arrangements; Manufacturing methods
    • G02F1/1335Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133528Polarisers
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/02Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by a sequence of laminating steps, e.g. by adding new layers at consecutive laminating stations
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/14Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers
    • B32B37/16Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with all layers existing as coherent layers before laminating
    • B32B37/18Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with all layers existing as coherent layers before laminating involving the assembly of discrete sheets or panels only
    • B32B37/182Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with all layers existing as coherent layers before laminating involving the assembly of discrete sheets or panels only one or more of the layers being plastic
    • B32B37/185Laminating sheets, panels or inserts between two discrete plastic layers
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00Optical elements other than lenses
    • G02B5/30Polarising elements
    • GPHYSICS
    • G02OPTICS
    • G02FOPTICAL 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
    • G02F1/00Devices 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
    • G02F1/01Devices 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 
    • G02F1/13Devices 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
    • G02F1/1303Apparatus specially adapted to the manufacture of LCDs
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09FDISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B32LAYERED PRODUCTS
    • B32BLAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2457/00Electrical equipment
    • B32B2457/20Displays, e.g. liquid crystal displays, plasma displays

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  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mathematical Physics (AREA)
  • Liquid Crystal (AREA)
  • Polarising Elements (AREA)
  • Theoretical Computer Science (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

The present invention provides a manufacturing method of an optical display panel and a manufacturing system of an optical display panel. The manufacturing method includes a first bonding step in which a first optical film which is cut along the first belt-shaped optical film is supplied from a first optical film roll and, while optical units are conveyed, is bonded to one surface of the optical units along the supply direction of the first optical film from one side of a pair of opposite sides of the optical units; and a second bonding step in which a second optical film is removed and supplied from a storage unit storing the second optical film in sheet form, and, while the optical units are conveyed, is bonded to the other surface of the optical units along the supply direction of the second optical film either from the aforementioned pair of opposite sides of the optical unit, or from the side of another pair of opposite sides. The second optical film at the sheet state is formed by more than two optical films which are unable to be continuously overlapped at the state of overlapping over the belt-shaped film.

Description

The manufacture method of optical display panel and the manufacturing system of optical display panel
The divisional application that the application is application number is 2013800540840, the applying date is on October 28th, 2013, denomination of invention is the patented claim of the method for continuous production of optical display panel and the continuous manufacturing system of optical display panel.
Technical field
The present invention relates to the manufacture method of optical display panel and the manufacturing system of optical display panel.
Background technology
Disclose the method for continuous production (so-called roller opposite (RTP:RolltoPanel) system) of display panels as described below: release first polarizing coating along long side direction with the band shape absorbing axle from the first blooming roll, make the first polarizing coating of described band shape cut off in the width direction and described first polarizing coating obtained fits on the face of the rear side of described liquid crystal cells, second polarizing coating along long side direction with the band shape absorbing axle is released from the second blooming roll, make the second polarizing coating of described band shape cut off in the width direction and described second polarizing coating obtained to fit on the face of the visual confirmation side of described liquid crystal cells (such as, with reference to patent documentation 1).According to this RTP system, can continuous seepage display panels.
In addition, as the display panels that light utilization ratio is high, disclose following display panels: on the face of the visual confirmation side of liquid crystal cells, be fitted with the first blooming comprising polarizing coating, the face of the rear side of liquid crystal cells is fitted with the second blooming (for example, referring to patent documentation 2) stacking gradually polarizing coating and linear polarization diffusion barrier.Display panels as described above also seeks continuous seepage.
At first technical literature
Patent documentation
Patent documentation 1: No. 4406043rd, patent
Patent documentation 2: Japanese Unexamined Patent Publication 2002-196141 publication
Patent documentation 3: Japanese Unexamined Patent Publication 2004-250213 publication
The problem that invention will solve
But, usually, polarizing coating and linear polarization diffusion barrier mutually orthogonal through axle.That is, usually, polarizing coating has absorption axle along long side direction, and linear polarization diffusion barrier has axis of reflection in the width direction.Therefore, with stacked polarizing coating as described above and the linear polarization diffusion barrier continuously under the state of belt type film such as roll-to-roll (RolltoRoll) mode, the blooming roll of RTP system cannot thus cannot be manufactured.
Such as, with reference to the method described in patent documentation 3, also can consider: on the polarizing coating of the band shape of releasing from polarizing coating roll stacked be cut to the linear polarization diffusion barrier of given size after, do not carry out monolithic cut-out and directly reel, thus manufacture blooming roll and supply to RTP system.But, in this case, as shown in Figure 4, in the polarizing coating 901 of band shape, certainly lead to region, the separatrix F of linear polarization diffusion barrier 902.At this, consider the stickup precision of linear polarization diffusion barrier, hemisect positional precision, the length (gap) of region, separatrix F for about 5mm (in the diagram, banded polarizing coating 901 is mutually orthogonal with the laminating direction of linear polarization diffusion barrier 902, but be the length (gap) of region, separatrix F too when direction of fitting is parallel is about 5mm).Therefore, if the blooming roll obtained in the above described manner is directly fed to RTP system, then in rtp systems, in order to the polarizing coating 901 of region, separatrix F is separated with product area, need to carry out twice hemisect in the width direction, and need the operation of the polarizing coating 901 removing region, separatrix F, thus can sacrifice the productive temp of the advantage as RTP system largely.In addition, unwanted membrane portions as described above gets involved bonding process, and needs this membrane portions to remove, therefore laminating foreign matter can be produced, or produce when removing and stay glue, cause adjacent qualified film also to become defective etc. because staying glue, thus yield rate probably reduces.
Problem as described above is not limited to the display panels that above-mentioned polarizing coating and linear polarization diffusion barrier are laminated in the rear side of liquid crystal cells, be usually want to produce continuously cannot blooming stacked is continuously laminated on the face of a side of optical unit optical display panel under the state at belt type film when the new problem that produces.
Summary of the invention
The present invention completes in view of above-mentioned problem, its object is to provide a kind of can high finished product rate and produce continuously on the face of a side of optical unit stacked cannot be stacked continuously under the state at belt type film the manufacture method of optical display panel of blooming and manufacturing system.
Solution
The invention provides a kind of method for continuous production of optical display panel, the face being manufactured on the visual confirmation side of optical unit is continuously laminated with the first polarizing coating and sequentially laminated with the optical display panel of the second polarizing coating and linear polarization diffusion barrier on the face of the rear side of this optical unit, wherein
The method for continuous production of described optical display panel comprises:
First bonding process, in this first bonding process, cut off having the first polarizing coating of band shape absorbing axle along long side direction in the width direction and described first polarizing coating that obtains from the first blooming roll supply, and while carry described optical unit, the direction of the supply of described first polarizing coating from the side on one group of opposed limit of described optical unit along described first polarizing coating is fitted in the face of visual confirmation side of described optical unit; And
Second bonding process, in this second bonding process, take out from the resettlement section of the second blooming containing chip slice status and supply the second blooming, and while carry described optical unit, while the direction of the supply of described second blooming from the side on the side on one group of opposed limit of described optical unit or another opposed group limit along described second blooming is fitted in the face of the rear side of described optical unit, second blooming of described chip slice status by use along long side direction have the band shape absorbing axle the second polarizing coating and have in the width direction axis of reflection band shape linear polarization diffusion barrier and obtain, and formed by stacked described second polarizing coating and described linear polarization diffusion barrier.
According to this structure, supply the first polarizing coating continuously from roll and fitted in the visual confirmation side of optical unit, and make it fit in the rear side of optical unit from resettlement section supply by the second blooming of chip slice status the second polarizing coating and linear polarization diffusion barrier be laminated with suitable configuration relation in advance, optical display panel can be produced continuously with high finished product rate thus.
On the basis of foregoing invention, the order of the first bonding process and the second bonding process can make arbitrary operation first carry out, and also can carry out or front and rear part overlap during making gluing treatment simultaneously.
As an embodiment of foregoing invention, before described second bonding process, the method for continuous production of described optical display panel also comprises: use and have the second polarizing coating of the band shape absorbing axle along long side direction and have the linear polarization diffusion barrier of band shape of axis of reflection in the width direction, makes the second blooming of the chip slice status by stacked described second polarizing coating and described linear polarization diffusion barrier.
According to this structure, can suitably obtain effect of the present invention.As the method for the second blooming of making chip slice status, the existing known methods such as the method described in Japanese Unexamined Patent Publication 2004-250213 publication can be used.
As an embodiment of foregoing invention, described first bonding process and described second bonding process carry out in a series of delivery section of carrying described optical unit and described optical display panel.
According to this structure, due to the first bonding process and the second bonding process can be carried out in a series of delivery section, therefore, it is possible to produce optical display panel efficiently.
As an embodiment of foregoing invention, described first polarizing coating in described first bonding process is parallel with described second blooming in described second bonding process relative to the laminating direction of described optical unit relative to the laminating direction of described optical unit.
In the structure shown here, such as, when being fitted from " side on one group of opposed limit of optical unit " by the first polarizing coating, the second blooming is also fitted from " side on one group of opposed limit of optical unit ".So, by making the laminating direction in the first bonding process parallel with the laminating direction of the second blooming (also comprising linearity), the counteracting etc. of the tension force in the table back side of optical unit, stress can be realized, thus the warpage of optical display panel can be restrained.
As an embodiment of foregoing invention, preferably, the thickness of the second blooming is greater than the thickness of the first polarizing coating.That is, preferably, blooming larger for thickness (will be pre-formed as the blooming of chip slice status fits in the mode of optical unit, hereinafter referred to as " STP mode " in sheet opposite (SheettoPanel) mode.) carry out.The absorption of STP mode via blooming and the release from it and carry out the laminating of this blooming, therefore do not apply larger tension force to this blooming and just can fit (say exactly, cannot apply larger tension force to this blooming).On the other hand, in RTP mode, owing to being continuous roll body film, therefore easily tension force is applied, on the contrary, if do not apply tension force (such as not by tension restriction) to film and fit, easily produce bubble, paste inclined problem, therefore preferably tension force is applied while fit to film.Thus, relatively thick (stress easily accumulates) blooming is fitted on the face of a side of optical unit in STP mode, (stress is difficult to accumulation) blooming of relative thin is controlled tension force while fit in RTP mode on the face of the opposing party of optical unit, the warpage of optical display panel can be suppressed thus further.
As an embodiment of foregoing invention, described optical unit is the liquid crystal cells of VA pattern or IPS pattern.
The present invention is particularly suited for the display panels with the VA pattern of high finished product rate production high-contrast continuously or IPS pattern.
In addition, another program of the present invention provides a kind of continuous manufacturing system of optical display panel, the face being manufactured on the visual confirmation side of optical unit is continuously laminated with the first polarizing coating and sequentially laminated with the optical display panel of the second polarizing coating and linear polarization diffusion barrier on the face of the rear side of this optical unit, wherein
The continuous manufacturing system of described optical display panel comprises:
A series of delivery section, it carries described optical unit and described optical display panel;
First blooming supply unit, its described first polarizing coating from the first blooming roll supply, first polarizing coating along long side direction with the band shape absorbing axle being carried out cutting off in the width direction and obtain;
First sticking part, it is while carry the described optical unit that transported by described delivery section, fits in the face of visual confirmation side of described optical unit by the direction of the supply of described first polarizing coating supplied by described first blooming supply unit from the side on one group of opposed limit of described optical unit along described first polarizing coating;
Second blooming supply unit, it takes out from the resettlement section of the second blooming containing chip slice status and supplies described second blooming, second blooming of this chip slice status by use along long side direction have the band shape absorbing axle the second polarizing coating and have in the width direction axis of reflection band shape linear polarization diffusion barrier and obtain, and to be formed by stacked described second polarizing coating and described linear polarization diffusion barrier; And
Second sticking part, it is while carry the described optical unit that transported by described delivery section, fits in being supplied described second blooming that comes to organize limit side from the side on one group of opposed limit of described optical unit or opposed another direction of the supply along described second blooming by described second blooming supply unit the face of the rear side of described optical unit.
According to this structure, supply the first polarizing coating continuously from roll and fitted in the visual confirmation side of optical unit, and the second blooming of the chip slice status the second polarizing coating and linear polarization diffusion barrier be laminated with suitable configuration relation in advance from resettlement section supply fits in the rear side of optical unit, can produce optical display panel continuously thus with high finished product rate.
On the basis of foregoing invention, the process of the first sticking part and the process of the second sticking part can make the process of arbitrary sticking part first carry out, and also can carry out or front and rear part overlap during making gluing treatment simultaneously.
As an embodiment of foregoing invention, described first sticking part and described second sticking part are configured in the described delivery section of the described optical unit of conveying and described optical display panel.
According to this structure, configure the first sticking part at the either side up and down of delivery section, configure the second sticking part at opposite side, therefore, it is possible to reduce the installation space of Whole Equipment.
As an embodiment of foregoing invention, described first polarizing coating in described first sticking part is parallel with described second blooming in described second sticking part relative to the laminating direction of described optical unit relative to the laminating direction of described optical unit.
In the structure shown here, such as, when being fitted from " side on one group of opposed limit of optical unit " by the first polarizing coating, the second blooming is also fitted from " side on one group of opposed limit of optical unit ".So, by making the laminating direction in the first bonding process parallel with the laminating direction of the second blooming (also comprising linearity), the counteracting etc. of the tension force in the table back side of optical unit, stress can be realized, thus the warpage of optical display panel can be restrained.
As an embodiment of foregoing invention, preferably, the film thickness of the second blooming is greater than the film thickness of the first polarizing coating.
As an embodiment of foregoing invention, described optical unit is the liquid crystal cells of VA pattern or IPS pattern.
The present invention is particularly suited for the display panels with the VA pattern of high finished product rate production high-contrast continuously or IPS pattern.
In addition, another program of the present invention provides a kind of manufacture method of optical display panel, the face being manufactured on a side of optical unit is laminated with the first blooming and on the face of the opposing party of optical unit, is laminated with the optical display panel of the second blooming, wherein,
The manufacture method of described optical display panel comprises:
First bonding process, in this first bonding process, first blooming of band shape is cut off in the width direction and described first blooming that obtains from the first blooming roll supply, and while carry described optical unit, the direction of the supply of described first blooming from the side on one group of opposed limit of described optical unit along described first blooming is fitted in the face of a side of described optical unit; And
Second bonding process, in this second bonding process, take out from the resettlement section of the second blooming containing chip slice status and supply described second blooming, and while carry described optical unit, while fit in the face of the opposing party of described optical unit by the direction of the supply of described second blooming from the side on the side on one group of opposed limit of described optical unit or another opposed group limit along described second blooming, the second blooming of this chip slice status is formed by plural blooming that cannot be stacked continuously under the state that is layered in belt type film.
In addition, another program of the present invention provides a kind of manufacturing system of optical display panel, the face being manufactured on a side of optical unit is laminated with the first blooming and on the face of the opposing party of optical unit, is laminated with the optical display panel of the second blooming, wherein,
The manufacturing system of described optical display panel comprises:
First sticking part, its described first blooming from the first blooming roll supply, the first blooming of band shape being cut off in the width direction and obtain, and while carry described optical unit, the direction of the supply of described first blooming from the side on one group of opposed limit of described optical unit along described first blooming is fitted in the face of a side of described optical unit; And
Second sticking part, it takes out from the resettlement section of the second blooming containing chip slice status and supplies described second blooming, and while carry described optical unit, while fit in the face of the opposing party of described optical unit by the direction of the supply of described second blooming from the side on the side on one group of opposed limit of described optical unit or another opposed group limit along described second blooming, the second blooming of this chip slice status is formed by plural blooming that cannot be stacked continuously under the state that is layered in belt type film.
According to above-mentioned manufacture method or manufacturing system, supply the first blooming continuously from roll and fit in the face of a side of optical unit, and supply the second blooming of chip slice status from resettlement section and make its face fitting in the opposing party of optical unit, second blooming of this chip slice status by by cannot be stacked continuously under the state of belt type film plural blooming be suitably laminated in advance, optical display panel can be produced continuously with high finished product rate thus.
In this manual, as the method from blooming roll supply blooming, such as, (1) releases the band shape of the blooming of stacked band shape on a carrier film laminated optical film from blooming roll can be enumerated, the method of the blooming that the blooming of band shape cuts off and obtains by supply in the width direction, (2) be formed with by stacked on a carrier film the laminated optical film that many are cut the band shape of the blooming of the band shape of lines from blooming roll (the blooming roll with cut channel) releasing in the width direction, thus the method etc. of supply blooming, any one method can be used.
Accompanying drawing explanation
Fig. 1 is the concise and to the point figure of the continuous manufacturing system of the optical display panel of embodiment 1.
Fig. 2 is the figure of the first sticking part that embodiment 1 is shown.
Fig. 3 is the figure of the second sticking part that embodiment 1 is shown.
Fig. 4 is the figure of the operation that stacked linear polarization diffusion barrier on the polarizing coating of band shape is shown.
Embodiment
< embodiment 1>
Fig. 1 ~ 3 are concise and to the point figure of the continuous manufacturing system of optical display panel involved by embodiment 1.Below, the continuous manufacturing system of the optical display panel involved by present embodiment is illustrated with reference to Fig. 1 ~ 3.
It should be noted that, in the present embodiment, enumerate as optical unit rectangular liquid crystal cells of growing crosswise, enumerate as optical display panel rectangular display panels of growing crosswise and be described for example.As blooming roll, use the blooming roll shown in Fig. 1, Fig. 2, Fig. 3.Namely, as the roll of the first cascade blooming 10 that the first blooming roll 1 uses winding banded, the first cascade blooming 10 of this band shape is formed by first polarizing coating 11 (being equivalent to the first blooming) along long side direction with the band shape absorbing axle stacked in the first carrier film 12 and is had the width corresponding with the minor face of liquid crystal cells P.
Second blooming 21 of chip slice status uses the linear polarization diffusion barrier of the second polarizing coating having the band shape absorbing axle along long side direction and the band shape in the width direction with axis of reflection to manufacture.Specifically, as the method for the second blooming making chip slice status, the existing known methods such as the method that Japanese Unexamined Patent Publication 2004-250213 publication etc. can be used described.Such as, can enumerate the second polarizing coating and linear polarization diffusion barrier be pre-formed separately for chip slice status and carry out stacked method or either party is pre-formed for chip slice status and the opposing party is formed as banded film and on the film of this band shape the method for the film of stacked chip slice status.When fitting in liquid crystal cells, the absorption axle of the first polarizing coating 111 and the second polarizing coating 212 is in the relation of mutually orthogonal polarization each other.
In addition, in the present embodiment, as shown in Figure 2, the first banded polarizing coating 11 is configured to have banded film main body 11a and cementing agent 11b.As shown in Figure 3, the second blooming 21 of chip slice status is laminated with linear polarization diffusion barrier 211, second polarizing coating 212 and cementing agent 213, as cementing agent 213 protection and temporary fixedly have mold release film 214.
As shown in Figure 1, the continuous manufacturing system 100 of the display panels involved by present embodiment comprises: a series of delivery section X, first blooming supply unit 101, first sticking part 81, second blooming supply unit 102 and second sticking part 82 of conveying liquid crystal cells P and display panels LD.
(delivery section)
Delivery section X carries liquid crystal cells P and display panels LD.Delivery section X is configured to have multiple conveying roller X1 and adsorption plate etc.
(the first blooming supply unit)
First blooming supply unit 101 supplies the first polarizing coating 111 from the first blooming roll 1 to the first sticking part 81, and this first polarizing coating 111 is by cutting off the first polarizing coating 11 of the band shape with the width corresponding with the minor face of liquid crystal cells P in the width direction with the length that the long limit with liquid crystal cells P is corresponding and obtaining.Therefore, in the present embodiment, the first blooming supply unit 101 has the first releasing portion 101a, the first cutting portion 41, first tension adjustment portion 51, first stripping portion 61, first winder 71 and multiple conveying roller portion 101b.
First releasing portion 101a has the releasing axle arranged for the first blooming roll 1, and releases banded first cascade blooming 10 from the first blooming roll 1.It should be noted that on the first releasing portion 101a, also can possess two release axle.Thus, the film of the roll be arranged on the releasing axle of the opposing party can promptly be connected without the need to roll 1 is replaced by new roll.
First cutting portion 41 is configured to have shut-off mechanism 41a and adsorbing mechanism 41b, and the first cascade blooming 10 of band shape is carried out hemisect (not cutting off the first carrier film 12 and cut off in the width direction by the first polarizing coating 11 of band shape) in the width direction with the length that the long limit with liquid crystal cells P is corresponding.In the present embodiment, first cutting portion 41 is while use adsorbing mechanism 41b and from the first cascade blooming 10 of the attached fixing band shape of the first carrier film 12 side draught, while use shut-off mechanism 41a and cut off in the width direction by the first polarizing coating 11 (film main body 11a and cementing agent 11b) of band shape, thus form the first polarizing coating 111 of the size corresponding with liquid crystal cells P in the first carrier film 12.It should be noted that, cutter, laser aid and their combination etc. can be enumerated as shut-off mechanism 41a.
First tension adjustment portion 51 has the function of the tension force of the first cascade blooming 10 keeping banded.In the present embodiment, the first tension adjustment portion 51 is configured to have dance roller, but is not limited thereto.
First stripping portion 61 with make the first carrier film 12 become inner side mode the first cascade blooming 10 of band shape is turned back, peel off the first polarizing coating 111 from the first carrier film 12 thus.Wedge like members, roller etc. can be enumerated as the first stripping portion 61.
First winder 71 winding has peeled off the first carrier film 12 after the first polarizing coating 111.First winder 71 is configured to have the wireline reel arranged for the roll for first carrier film 12 that reels.
(the first sticking part)
First sticking part 81, while carried to make the long side direction of this liquid crystal cells P mode parallel with throughput direction by the liquid crystal cells P carried by delivery section X, fits in being supplied (after being peeled off by the first stripping portion 61) first polarizing coating 111 of coming by the first blooming supply unit 101 the face Pa of side, visual confirmation face of liquid crystal cells P via cementing agent 11b from the short brink of liquid crystal cells P along the direction of the supply (long side direction of liquid crystal cells P) of the first polarizing coating 111.It should be noted that, the first sticking part 81 is configured to have a pair doubling roller 81a, 81b, and at least one party of doubling roller 81a, 81b is made up of driven roller.
(the second blooming supply unit)
Second blooming supply unit 102 from contain chip slice status the second blooming 21 container 102c take out the second blooming 21 of chip slice status, and its bonding position to the second sticking part 82 to be supplied.In the present embodiment, the second sticking part 82 described later is used to carry out taking out, supplying.
(the second sticking part)
Second sticking part 82, while carried to make the long side direction of this liquid crystal cells P mode parallel with throughput direction by the liquid crystal cells P carried by delivery section X, fits in being supplied the second blooming 21 come by the second blooming supply unit 102 the face Pb of the rear side of liquid crystal cells P from the short brink of liquid crystal cells P.
Second sticking part 82 has: the moving part (not shown) the second blooming 21 of chip slice status being moved to bonding position from resettlement section 102c; By the stripping portion (not shown) that the mold release film 214 of chip slice status is peeled off from the second blooming 21 of chip slice status; The adsorption section 82b that second blooming 21 of chip slice status is adsorbed and doubling roller 82a; And connect with liquid crystal cells P face and carry the driven roller 82c of liquid crystal cells P.
Resettlement section 102c is not limited to the form described in Fig. 1,3, also can be other shapes, and such as, can be the container of the mounting table of the second blooming 21 had for loading chip slice status, this mounting table also can be capped around it.
Moving part moves to the second blooming 21 of the chip slice status being placed in resettlement section 102c, utilizes adsorption section 82b to adsorb the face of the second blooming 21 and the second blooming 21 is moved to bonding position.
Second blooming 21 of the mold release film 214 of chip slice status from chip slice status is peeled off by stripping portion.Stripping portion such as also can use adhesive tape, is fitted in by adhesive tape in mold release film 214, moves peel off mold release film 214 by making adhesive tape.
Second blooming 21 of the chip slice status of adsorbed portion 82b absorption is sent to the doubling roller 82a of front position, doubling roller 82a is rotated, thus the second blooming 21 is fitted in from short brink on the face Pb of the rear side of liquid crystal cells P.Now, utilize driven roller 82c and doubling roller 82a to clamp liquid crystal cells P and the second blooming 21 and they to be carried to downstream.It should be noted that, driven roller 82c and doubling roller 82a can be the mechanism carrying out driving, and driven roller 82b also can be made to be driven mechanism.
In the present embodiment, the mode be parallel to each other with the direction of the supply of the first polarizing coating, the second blooming, is configured in the first blooming supply unit and the second blooming supply unit in the delivery section X of liquid crystal cells, therefore, it is possible to reduce device occupy space.In addition, in the present embodiment, the first polarizing coating 111 in first sticking part 81 is parallel relative to the laminating direction of liquid crystal cells P with the second blooming 21 in the second sticking part 82 relative to the laminating direction of liquid crystal cells P, therefore, it is possible to suitably suppress the warpage of the liquid crystal cells P after laminating.
(other embodiments of embodiment 1)
In the present embodiment, carry the throughput direction of liquid crystal cells P along delivery section X, the first sticking part, the second sticking part are arranged in order, but are not limited thereto.The order of the first sticking part, the second sticking part also can be contrary.
In the present embodiment, the first sticking part is fitted from the downside of liquid crystal cells the first polarizing coating, and the second sticking part is fitted from the upside of liquid crystal cells the second blooming, but is not limited thereto.Also can be that the first sticking part is fitted from the upside of liquid crystal cells the first polarizing coating, the second sticking part be fitted from the downside of liquid crystal cells the second blooming.
In addition, in the present embodiment, first polarizing coating 111 is fitted in the face Pa of the visual confirmation side of liquid crystal cells P along the direction of the supply of the first polarizing coating 111 from the short brink of liquid crystal cells P, second blooming 21 is fitted in the face Pb of the rear side of liquid crystal cells P along the direction of the supply of the second blooming from the short brink of liquid crystal cells P, but the visual confirmation side of liquid crystal cells as long as orthogonal with the absorption axle of rear side polarizing coating separately (cross polarization) fit, but to be not limited thereto.Also can be to fit the first polarizing coating 111 from the long side of liquid crystal cells P, to fit the second blooming 21 from the long side of liquid crystal cells P, also can be to fit the first polarizing coating 111 from the long side of liquid crystal cells P, to fit the second blooming 21 from the short brink of liquid crystal cells P, also can be to fit the first polarizing coating 111 from the short brink of liquid crystal cells P, fit the second blooming 21 from the long side of liquid crystal cells P.Wherein, the second blooming of fitting with the long side from liquid crystal cells still sets the width of the second blooming accordingly from short brink the second blooming of fitting and cuts off size.
(method for continuous production of optical display panel)
The method for continuous production of the optical display panel of embodiment 1 be the visual confirmation side being manufactured on optical unit continuously face on be laminated with the first polarizing coating and sequentially laminated with the method for the optical display panel of the second polarizing coating and linear polarization diffusion barrier on the face of the rear side of this optical unit, wherein
The method for continuous production of described optical display panel comprises: the first bonding process, in this first bonding process, cut off having the first polarizing coating of band shape absorbing axle along long side direction in the width direction and described first polarizing coating that obtains from the first blooming roll supply, and while carry described optical unit, the direction of the supply of described first polarizing coating from the side on one group of opposed limit of described optical unit along described first polarizing coating is fitted in the face of visual confirmation side of described optical unit, and second bonding process, in this second bonding process, take out from the resettlement section of the second blooming containing chip slice status and supply described second blooming, and while carry described optical unit, while the direction of the supply of described second blooming from the side on the side on one group of opposed limit of described optical unit or another opposed group limit along described second blooming is fitted in the face of the rear side of described optical unit, second blooming of this chip slice status by use along long side direction have the band shape absorbing axle the second polarizing coating and have in the width direction axis of reflection band shape linear polarization diffusion barrier and obtain, and formed by stacked described second polarizing coating and linear polarization diffusion barrier.
In addition, described first bonding process and described second bonding process carry out in a series of delivery section of carrying described optical unit and described optical display panel.In addition, described first polarizing coating in described first bonding process is parallel with described second blooming in described second bonding process relative to the laminating direction of described optical unit relative to the laminating direction of described optical unit.
(other examples of the second blooming)
In the present embodiment, the second blooming is the laminated optical film being laminated with polarizing coating and linear polarization diffusion barrier, but is not limited thereto.As the second blooming, the laminated optical film being laminated with wide band phase retardation film and polarizing coating can be exemplified.Wide band phase retardation film can exemplify the film of stacked λ/4 phase retardation film and λ/2 phase retardation film.
(variation of embodiment 1)
In embodiment 1, as blooming roll, use the roll being wound with the laminated optical film of the band shape of the blooming of stacked band shape on a carrier film, but the structure of blooming roll is not limited thereto.Such as, also suitably can use and be wound with the stacked roll (the blooming roll with cut channel) of laminated optical film being formed with the band shape of the blooming of the band shape of many incision lines in the width direction on a carrier film.It should be noted that, in the blooming supply unit from the blooming roll supply blooming with cut channel, do not need cutting portion.
In embodiment 1, the blooming of band shape cuts off by cutting portion in the width direction, form the blooming of the size corresponding with optical unit on a carrier film, but from the view point of raising yield rate, also in the mode of the shortcoming part avoiding banded blooming, the blooming of band shape can be cut off (jumping is cut) in the width direction, thus form the blooming (the qualified blooming to optical unit laminating) of the size corresponding with optical unit on a carrier film, and with the size being less than optical unit (more preferably, size little as far as possible) form the blooming comprising shortcoming part.In the present invention, as each blooming roll, use the roll (the blooming roll with cut channel) of the laminated optical film of the following band shape of winding equally also effectively can improve yield rate, the laminated optical film of described band shape is, the blooming of the stacked band shape formed in the width direction in many incision lines modes of avoiding shortcoming part on a carrier film, on a carrier film except the blooming (fitting in the qualified blooming of optical unit) being formed with the size corresponding with optical unit, also to be less than the size of optical unit (more preferably, size with little as far as possible) be formed with the laminated optical film of the such band shape of the blooming that comprises shortcoming part.It should be noted that, preferably, the blooming comprising shortcoming part is peeled off from carrier film and discharges, or is wound in winder etc. together with carrier film, makes it avoid fitting in optical unit.When using the blooming roll with cut channel, it is also identical for using when the blooming roll entirely cut in the width direction by the laminated optical film of band shape.
In embodiment 1, although enumerating grow crosswise rectangular optical unit and optical display panel is that example is illustrated, as long as but the shape of optical unit and optical display panel has the shape on one group of opposed limit and another opposed group limit, does not limit especially.
(blooming)
The polaroid protective film (thickness is generally about 1 ~ 500 μm) that the film main body of polarizing coating such as has polaroid (thickness is generally about 1 ~ 80 μm) and utilizes bonding agent or do not utilize bonding agent and formed on the one side or two sides of polaroid.Usually, the draw direction of polaroid becomes absorption axle.Along long side direction, there is the polarizing coating of rectangular polaroid absorbing axle be called comprising " MD polarizing coating ", being called comprising the polarizing coating in the width direction with the rectangular polaroid absorbing axle " TD polarizing coating ".As other films forming film main body, such as, λ/4 plate, λ/2 plate equiphase difference film (thickness is generally 10 ~ 200 μm), compensation film for angular field of view, brightness raising film, surface protection film etc. can be enumerated.The thickness of laminated optical film such as can enumerate the scope of 10 μm ~ 500 μm.
Polaroid is such as by dyeing to polyvinyl alcohol mesentery, being cross-linked, stretch and dry process and obtaining.The dyeing of polyvinyl alcohol mesentery, crosslinked, stretching etc. respectively processs can be carried out without the need to carrying out respectively simultaneously, and in addition, the order respectively processed also can be arbitrary.It should be noted that, as polyvinyl alcohol mesentery, also can use the polyvinyl alcohol mesentery implementing swelling process.Generally, polyvinyl alcohol mesentery be impregnated in the solution containing iodine, dichroism pigment, absorption iodine, dichroism pigment and dyeing, after carrying out uniaxial tension in containing the solution of boric acid, borax etc., carry out cleaning also drying with the stretching ratio of 3 times ~ 7 times.
Cementing agent does not limit especially, such as, can enumerate acrylic adhesive, silicone-based cementing agent, polyurethane series cementing agent etc.The layer thickness of cementing agent is such as preferably in the scope of 10 μm ~ 50 μm.As the peeling force between cementing agent and carrier film, such as, illustrate and have 0.15 (N/50mm width sample), but be not confined to this especially.Peeling force take JISZ0237 as benchmark and determined.
(carrier film)
Carrier film such as can use the existing known films such as plastic foil (such as, PET series film, polyolefin mesentery etc.).In addition, as required, the suitable remover such as silicone-based, chain alkyl system, fluorine system, molybdenum sulfide can be used to carry out the carrier film etc. after applying process, according to existing suitable carrier film.It should be noted that, carrier film is usually also referred to as mold release film (barrier film).The mold release film 214 of embodiment 1 can use the component identical with carrier film.
(linear polarization diffusion barrier)
The film main body of linear polarization diffusion barrier such as can enumerate the reflective polarizer films with axis of reflection and the multi-ply construction through axle.Reflective polarizer films such as by by alternately laminated to polymer film A, B of two kinds of different materials multiple and make it stretch and obtain.In the stretching direction, only the refractive index of materials A increases change, and manifest many refractivityes, the draw direction with refringence at materials A B interface becomes axis of reflection, and the direction (non-stretching direction) not producing refringence becomes through axle.This reflective polarizer films has through axle on its long side direction, and its short side direction (Width) has axis of reflection.Reflective polarizer films directly can use sales, also can carry out secondary processing (such as, stretching) to sales and use.As sales, such as, can enumerate the commodity DBEF of 3M society, the commodity APF of 3M society.
(liquid crystal cells, display panels)
Liquid crystal cells is the structure being sealed with liquid crystal layer between a pair substrate (first substrate (visual confirmation side) Pa, second substrate (back side) Pb) arranged opposite.Liquid crystal cells can use the component of any type, in order to realize high-contrast, preferably uses the liquid crystal cells of vertical orientated (VA) pattern, in-plane switching (IPS) pattern.Display panels is fitted with polarizing coating on the one side or two sides of liquid crystal cells, and is incorporated with driving circuit as required.
(organic EL units, organic EL display panel)
Organic EL units is the structure being clamped with electroluminescence layer between pair of electrodes.Organic EL units such as can use the component of any types such as top light emitting mode, bottom-emission mode, two illumination modes.Organic EL display panel is fitted with polarizing coating on the one side or two sides of organic EL units, and is incorporated with driving circuit as required.
Description of reference numerals is as follows:
1 blooming roll
81,82 sticking parts
P liquid crystal cells
LD display panels

Claims (2)

1. a manufacture method for optical display panel, the face being manufactured on a side of optical unit is laminated with the first blooming and on the face of the opposing party of optical unit, is laminated with the optical display panel of the second blooming, wherein,
The manufacture method of described optical display panel comprises:
First bonding process, in this first bonding process, first blooming of band shape is cut off in the width direction and described first blooming that obtains from the first blooming roll supply, and while carry described optical unit, the direction of the supply of described first blooming from the side on one group of opposed limit of described optical unit along described first blooming is fitted in the face of a side of described optical unit; And
Second bonding process, in this second bonding process, take out from the resettlement section of the second blooming containing chip slice status and supply described second blooming, and while carry described optical unit, while fit in the face of the opposing party of described optical unit by the direction of the supply of described second blooming from the side on the side on one group of opposed limit of described optical unit or another opposed group limit along described second blooming, the second blooming of described chip slice status is formed by plural blooming that cannot be stacked continuously under the state that is layered in belt type film.
2. a manufacturing system for optical display panel, the face being manufactured on a side of optical unit is laminated with the first blooming and on the face of the opposing party of optical unit, is laminated with the optical display panel of the second blooming, wherein,
The manufacturing system of described optical display panel comprises:
First sticking part, its described first blooming from the first blooming roll supply, the first blooming of band shape being cut off in the width direction and obtain, and while carry described optical unit, the direction of the supply of described first blooming from the side on one group of opposed limit of described optical unit along described first blooming is fitted in the face of a side of described optical unit; And
Second sticking part, it takes out from the resettlement section of the second blooming containing chip slice status and supplies described second blooming, and while carry described optical unit, while fit in the face of the opposing party of described optical unit by the direction of the supply of described second blooming from the side on the side on one group of opposed limit of described optical unit or another opposed group limit along described second blooming, the second blooming of described chip slice status is formed by plural blooming that cannot be stacked continuously under the state that is layered in belt type film.
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