CN109891307A - The laminated body of optical display, its manufacturing method and manufacture system - Google Patents

The laminated body of optical display, its manufacturing method and manufacture system Download PDF

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Publication number
CN109891307A
CN109891307A CN201780068152.7A CN201780068152A CN109891307A CN 109891307 A CN109891307 A CN 109891307A CN 201780068152 A CN201780068152 A CN 201780068152A CN 109891307 A CN109891307 A CN 109891307A
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CN
China
Prior art keywords
liquid crystal
crystal display
display panel
optical film
laminated
Prior art date
Application number
CN201780068152.7A
Other languages
Chinese (zh)
Inventor
田村宜之
秋山孝二
大岛崇之
矢野祐树
Original Assignee
日东电工株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to JP2016214718A priority Critical patent/JP6634360B2/en
Priority to JP2016-214718 priority
Application filed by 日东电工株式会社 filed Critical 日东电工株式会社
Priority to PCT/JP2017/038472 priority patent/WO2018084043A1/en
Publication of CN109891307A publication Critical patent/CN109891307A/en

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    • GPHYSICS
    • G02OPTICS
    • G02FDEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH IS MODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THE DEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY, COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g. SWITCHING, GATING, MODULATING OR DEMODULATING; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF; FREQUENCY-CHANGING; NON-LINEAR OPTICS; 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
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
    • G02B5/00Optical elements other than lenses
    • G02B5/30Polarising elements
    • GPHYSICS
    • G02OPTICS
    • G02FDEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH IS MODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THE DEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY, COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g. SWITCHING, GATING, MODULATING OR DEMODULATING; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF; FREQUENCY-CHANGING; NON-LINEAR OPTICS; 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
    • GPHYSICS
    • G02OPTICS
    • G02FDEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH IS MODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THE DEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY, COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g. SWITCHING, GATING, MODULATING OR DEMODULATING; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF; FREQUENCY-CHANGING; NON-LINEAR OPTICS; 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
    • G02F1/1306Details
    • G02F1/1309Repairing; Testing
    • 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

Abstract

The present invention provides a kind of laminated body of optical display, retains the remainder of optical film with larger size fitting optical film relative to liquid crystal display panel.The present invention is that laminated body (6) made of the optical film with the first light polarizing film (10) and optical film (20) with the second light polarizing film is laminated in such a way that absorption axiss become crossed Nicol relationship on the two sides of rectangular liquid crystal display panel (5), stacking has the first optical film (10) of width corresponding with the width of liquid crystal display panel (5) or length or length on the face of side (TFT) (52) of the one side as liquid crystal display panel (5), stacking has the second optical film than either one big width or length in the width or length of liquid crystal display panel (5) on the face of side (CF) (51) of the another side as liquid crystal display panel (5), laminated body (6) also has the second optical film (20) being laminated on the face of side (CF) (51) not from side (TFT) (52) The feature that the mode that an avris (52y) in long side stretches out is laminated.

Description

The laminated body of optical display, its manufacturing method and manufacture system

Technical field

The present invention relates to the laminated body of optical display, its manufacturing method and manufacture systems.More specifically, of the invention The laminated body for the optical display being related to becomes crossed Nicol relationship on the two sides of rectangular liquid crystal display panel with absorption axiss Mode the optical film with light polarizing film is laminated, wherein the optical film with light polarizing film of the one side of liquid crystal display panel has and liquid The corresponding width of width or length or length of crystal panel, the optical film with light polarizing film of the another side of liquid crystal display panel have big The laminated body of the width of either one in the width of liquid crystal display panel or length or length, the invention further relates to the stackings The manufacturing method and manufacture system of body.

Background technique

The manufacture scene of optical display uses the manufacturer of Roll to Panel (RTP: being rolled onto panel) mode at present Method (for example, patent document 1).In RTP mode, in general, manufacturing optical display as follows.Firstly, from reel Send out the optical film laminate with defined width.Optical film laminate include carrier film, be formed in carrier film one side it is viscous It connects oxidant layer, constituted via the optical film that adhesive layer is supported in carrier film.Optical film can be monofilm, be also possible to Multilayer film.In general, by being introduced continuously into incision line in the width direction, being cut in adjacent on the optical film laminate of submitting Enter to be formed the optical film of sheet between line.

It is continuously supported in carrier film and the optical film for forming sheet passes through the removing list configured near bonding position Member is stripped together with adhesive layer from carrier film, and is transported to bonding position.At stripping unit, optical film laminate Carrier film side bypasses the top of the stripping unit of the approximate wedge shape with the top opposite with bonding position.By the way that removing will be bypassed The carrier film of unit is turned back conveying to towards the substantially opposite direction in the direction of bonding position feeding optical film, optical film and viscous Oxidant layer is connect to be stripped from carrier film together.There is the optical film for reaching bonding position the fitting unit of a pair of of doubling roller to fit in Separately it is transported to the correspondence binding face of the panel of bonding position.

On the other hand, in recent years, optical display further develops in terms of miniaturization, slimming and lightweight, with It, does not require nothing more than narrowization (i.e. narrow frame) for surrounding the frame portion of liquid crystal display area, even more requires Rimless.Make Method to meet these requirements, such as a kind of technology is proposed, as described in patent document 2, it will be greater than the optics of liquid crystal display panel Film fits in the one side of liquid crystal display panel, by the surplus of the optical film stretched out from the end of the optical film for the one side for being fitted in liquid crystal display panel Remaining part point is cut off along the end of liquid crystal display panel, then, big in the another side fitting for being fitted with the liquid crystal display panel of optical film on one side In the optical film of liquid crystal display panel, and remaining the optical film stretched out from the end of the optical film for the another side for fitting in liquid crystal display panel Remaining part point is cut off along the end of liquid crystal display panel, produces the laminated body of optical display as a result,.

In patent document 2, the process for cutting off remainder carries out in a series of manufacturing device.Specifically, The remainder of the optical film on the two sides of liquid crystal display panel is successively fitted in manufacturing device each time all from the two of liquid crystal display panel All four sides in face are stacked in the state of stretching out, therefore, the optics obtained as the product produced from manufacturing device Display device, the remainder on all four sides of laminated body is from the two sides of liquid crystal display panel along the end on the two sides of liquid crystal display panel It is removed, optical film becomes size corresponding with binding face.

In addition, such as patent document 3 or patent document 4 propose a kind of production system, liquid crystal display panel one side with The mode of stretching is bonded optical film, and optical film is bonded in a manner of included in the another side of liquid crystal display panel.In these systems In, with patent document 2 the case where in the same manner as, the remainder excision of the one side of liquid crystal display panel will be fitted in a manner of stretching Process carries out in a series of production system.

Specifically, fit in the remainder of the optical film of the one side of liquid crystal display panel from liquid crystal display panel all four Side is laminated in the state of stretching out, and as the optical display obtained from production system as product, fits in liquid crystal display panel The remainder of optical film on one side is removed along the end of liquid crystal display panel, fits in the optical film of the another side of liquid crystal display panel Be bonded in a manner of included, thus the optical film on the two sides of liquid crystal display panel become size corresponding with binding face, be with The case where patent document 2 identical laminated body.

In liquid crystal display device, why by light polarizing film by absorption axiss become crossed Nicol relationship in a manner of along base Directrix (alignment mark) is fitted in the two sides of liquid crystal display panel, is because liquid crystal display device has the function of optical shutter.Such as the ginseng of Fig. 8 It examines shown in figure, light polarizing film includes display area, with the area size in the black matrix inside liquid crystal display panel or more than black matrix.

As can be seen that the construction of liquid crystal display device includes at least to have to add on the two sides of liquid crystal from the skeleton diagram of Fig. 1 It has filled the CF sidepiece part of the liquid crystal display panel of the glass substrate of colour filter and has had the glass base for having installed alignment films and transparent electrode additional The TFT side component of the liquid crystal display panel of plate.In general, in the long side of the TFT side of liquid crystal display panel on one side than the side pair CF of liquid crystal display panel The one side answered is more prominent, in this, as the terminal of built in transparent electrode.In the glass substrate of the side CF and the glass substrate of TFT side On, light polarizing film is bonded in such a way that absorption axiss become crossed Nicol relationship via optical compensation films.Therefore, liquid crystal display panel In addition to the region for being fitted with light polarizing film, transparent region is usually become.

Existing technical literature

Patent document

Patent document 1:(Japan) No. 4377964 bulletin of special permission

Patent document 2:(Japan) special open 2014-228563 bulletin

Patent document 3:(Japan) special open 2013-137538 bulletin

Patent document 4:(Japan) special open 2014-224911 bulletin

Summary of the invention

The technical problems to be solved by the invention

In the manufacturing device and manufacturing method of RTP mode, the Rimless of optical display by optical film from The end of liquid crystal display panel is bonded the extension of optical film after liquid crystal display panel and optical film (that is, remaining in the state of stretching out Part) it is realized along the end excision of liquid crystal display panel.

But as proposed in patent document 2~4, if with from liquid crystal display panel on a series of production line The mode that end is stretched out cuts off the remainder of periphery after being bonded, when needing due to critically cutting off all remainders Between, therefore, productivity significantly reduces.

In addition, the client for example for grasping the manufacturing process of liquid crystal display panel as panel manufacturers, it is desirable that how Excision periphery remainder is (for example, be to cut off along the end of liquid crystal display panel, or several millimeters of excision remainder punching is arranged to cut off Deng) in terms of enjoy freedom degree, there are also the excision processing etc that client wishes voluntarily to implement periphery remainder.

Then, it is desirable that a kind of laminated body of optical display is provided, does not cut off to stretch out optical film with larger size and paste The remainder of the liquid crystal display panel periphery formed on liquid crystal display panel is closed, but retains the remainder of optical film.

However, in RTP mode, if wanting the remainder for not cutting off the periphery of liquid crystal display panel on a series of production line And retain the laminated body of the remainder of optical film because will by liquid crystal display panel and optical film from the four of the two sides of liquid crystal display panel Side is bonded after liquid crystal display panel and optical film (if optical film is the optical film with light polarizing film) light polarizing film in the state of stretching out Absorption axiss will become crossed Nicol relationship, accordingly, it is difficult to confirm the contraposition of the datum mark as liquid crystal display panel display area Label.Therefore, the position of liquid crystal display panel and light polarizing film is difficult to be aligned.

In addition, remain the laminated body of the remainder of optical film, due to the periphery of optical film have it is flexible and unstable, Therefore, it is impossible to use the position regulating unit abutted from the side of conveying direction, it is necessary to separately prepare complicated position and adjust machine Structure.

The manufacturing device and manufacturing method of RTP mode described in 2~patent document of patent document 4 are all in manufacture work All remainders that the optical film of fitting is stretched out from liquid crystal display panel are cut off in sequence or in production system, as what is so produced Product and the optical display that obtains is clearly the laminated body without optical film extension.

Light polarizing film is stretched out from four sides in addition, patent document 3 and embodiment disclosed in Patent Document 4 only disclose And be fitted in after TFT side, it is bonded the light polarizing film that do not stretch out in the side CF, is not stretched in TFT side fitting first there is no open Light polarizing film out, the light polarizing film that then fitting is stretched out in the side CF.

Further technical problem is, even if being provided only in manufacturing device or in production system according to the new demand of client The liquid crystal display device of light polarizing film, the light polarizing film that do not stretch out in the fitting of the side CF is bonded in a manner of stretching out from four sides in TFT side Laminated body can not exclude to damage the danger at the position of built-in TFT side terminal when cutting off the remainder of extension. In addition, four sides are all the laminated body of remainder, can be supported with the liquid crystal display panel position regulating unit before will be checked portion It connects and deforms, cannot exclude the danger for thereby resulting in crack etc..The present invention is intended to solve these technical problems.

Technical teaching for solving the problem was

Above-mentioned problem can solve by following technical solution, will have polarisation on the two sides to rectangular liquid crystal display panel The laminated body for the optical display that the optical film of film is laminated in such a way that absorption axiss become crossed Nicol relationship, as liquid crystal The optical film in the face of the TFT side of the one side of panel has width corresponding with the width of liquid crystal display panel or length or length, as The optical film in the face of the side CF of the another side of liquid crystal display panel has either one greater than the width of liquid crystal display panel or in length Width or length.If it is this laminated body, because can implement to cut off with the device different from a series of manufacturing device The process that the remainder of the optical film of stacking is stretched out from liquid crystal display panel, so productivity can be greatly improved.

In addition, due to laminated body of the invention only the face of TFT side the optical film and side CF face it is optical film overlapped Position becomes crossed Nicol relationship, therefore, in the periphery of the optical film in the face of TFT side, through the optical film energy in the face of the side CF The edge of enough alignment marks and liquid crystal display panel for easily reading liquid crystal display panel.In addition, laminated body of the invention is shown in assembling Stacking has either one in width or length greater than liquid crystal display panel on the face become depending on the side CF for recognizing side when device Width or length optical film, therefore, by cut off later from liquid crystal display panel stretch out fitting optical film remainder, energy It enough will be depending on recognizing side Rimless.

The present invention provides a kind of laminated body of optical display in its one side, as shown in the skeleton diagram of Fig. 1, specifically For, the laminated body of the optical display is to become crossed Nicol on the two sides of rectangular liquid crystal display panel 5 with absorption axiss The optical film 10 with the first light polarizing film and the optical film 20 with the second light polarizing film is laminated and the stacking of formation in the mode of relationship Body 6.The laminated body 6 of the optical display is bonded on the face of the TFT side 52 of the one side as liquid crystal display panel 5 to be had and liquid The corresponding width of width or length of crystal panel 5 or the first optical film 10 of length, and in the another side as liquid crystal display panel 5 The side CF 51 face on be bonded with either one the width or length in the width or length for being greater than liquid crystal display panel 5 Second optical film.The second optical film 20 on face of the laminated body 6 also to fit in the side CF 51 is not from one in the long side of TFT side 52 The mode that avris 52y stretches out is laminated.If it is this laminated body, position regulating unit 530 can be made to abut with an avris 52y, It is become easy so the position of laminated body 6 is adjusted.

From figure 1 it appears that liquid crystal display panel 5 is made of the component of the component of the side CF 51 and TFT side 52, in turn, in layer Stack 6, in the long side 52y of the component of the TFT side 52 of the included liquid crystal display panel 5 of the second optical film 20, in the formation of liquid crystal display panel 5 The component for having the component of TFT side 52 from the side CF 51 protruding portion 520 outstanding, is formed on the face 521 of the side CF of protruding portion 520 Terminal 50, the mode quilt on terminal 50 of the second optical film 20 fitted on the face of the side CF 51 not to be covered on protruding portion 520 Fitting.If it is this laminated body 6, by being bonded the second optical film 20 in the mode not being covered on terminal 50, with covering The laminated body that the mode of terminal 50 is bonded the second optical film 20 is compared, and does not need to be then cut off removal is covered on terminal 50 the The remainder of two optical films 20, so that terminal 50 will not be damaged.

The present invention provides a kind of manufacturing method of the laminated body of optical display on the other hand.The present invention is real as one Apply mode, in detail as be described hereinafter, with Fig. 4 schematic diagram and Fig. 5 block diagram shown in the method for RTP formula and the schematic diagram of Fig. 6 and The method of one chip shown in the block diagram of Fig. 7.The method for showing schematically RTP mode on the whole is shown in Fig. 2 and Fig. 3.

Either the method for RTP mode or the method for one chip, the present invention are all based on the side of feature shown below Method.

Specifically, being laminated as shown in the schematic diagram of Fig. 2 and Fig. 3 using the first optical film laminate 1 and the second optical film The laminated body 6 of the manufacture optical display of body 2, wherein first optical film laminate 1 has and rectangular liquid crystal display panel The 5 corresponding width of width or length or length, by inclined with first be supported on the first release film via adhesive layer The optical film 10 of light film is constituted, and second optical film laminate has in width or length greater than liquid crystal display panel 5 at least The width or length of either one, by having be supported in via adhesive layer on the second release film as the second release film the The optical film 20 of two light polarizing films is constituted.

This method is laminated from the face in the TFT side 52 of liquid crystal display panel 5 to be had together with adhesive layer from the first release film The process (upstream process) of the optical film 10 of first light polarizing film of removing starts, and includes the downstream process as the upstream process Become orthogonal Nico on the face of the side CF 51 for the liquid crystal display panel 5 that the optical film 10 with the first light polarizing film is laminated with absorption axiss The mode of your relationship, which is laminated, to be had together with adhesive layer from the work of the optical film 20 of the second light polarizing film of the second release film stripping Sequence (downstream process), wherein upstream process omits in aftermentioned Fig. 4 and Fig. 5 or Fig. 6 and Fig. 7, and downstream process in Fig. 4 and It is described in detail in Fig. 5 or Fig. 6 and Fig. 7.

This method can also include: stacking has the optical film 20 of the second light polarizing film on the face of the side CF 51 of liquid crystal display panel Process in, be laminated the second optical film 20 in a manner of not stretching out from the avris 52y in the long side of liquid crystal display panel 5, and with The mode that one avris 52y is parallel to the conveying direction of liquid crystal display panel 5 carries out position adjustment towards the laminated body 6 to liquid crystal display panel 5 Process conveyed, abut position regulating unit 530 with an avris 52y from the side of the conveying direction of laminated body 6, to liquid The process of the progress position adjustment of crystal panel 5;And the process of defect of laminated body 6 that liquid crystal display panel 5 is checked after the process etc..

In the method, it is preferable that stacking has the optics of the second light polarizing film on the face to the side CF 51 of liquid crystal display panel In the process of film 20, liquid crystal display panel 5 is made of the component of the component of the side CF 51 and TFT side 52, in an avris 52y, in liquid crystal surface The component protruding portion 520 outstanding of component from the side CF of TFT side 52, the shape on the face of the side CF of protruding portion 520 are formed on plate 5 At there is terminal 50, the second optical film 20 is laminated in the mode not being covered on terminal 50.

The present invention provides a kind of manufacture system of the laminated body of optical display on the other hand.The present invention is real as one Mode is applied, in detail as be described hereinafter, the schematic diagram and Fig. 7 of the schematic diagram with Fig. 4 and RTP formula system and Fig. 6 shown in the block diagram of Fig. 5 Block diagram shown in monolithic system.The system of the RTP mode showed schematically on the whole is shown in Fig. 2 and Fig. 3.

Either RTP formula system or monolithic system, the system that the present invention is all based on feature shown below.

Specifically, as shown in the schematic diagram of Fig. 2 and Fig. 3, this system be by supply unit 300, the first sticking part 100 and The system that second sticking part 200 is constituted, wherein supply unit 300 conveys rectangular liquid crystal display panel 5, and the first sticking part 100 exists Convey the folded optical film 10 with the first light polarizing film of surface layer of one side, that is, TFT side 52 of the liquid crystal display panel 5 to come, the optical film 10 With width corresponding with the width of liquid crystal display panel 5 or length or length, the second sticking part 200 is laminated on the face of TFT side 52 On the face for having the side CF 51 of the liquid crystal display panel 5 of the optical film 10 with the first light polarizing film, closed with absorption axiss as crossed Nicol The optical film 20 with the second light polarizing film is laminated in the mode of system, which has the width or length greater than liquid crystal display panel 5 In the width of either one or length.

This system also includes: delivery section 100, on the face of the side CF 51 that the second sticking part 200 is laminated in liquid crystal display panel 5 Second optical film 20 is stacked in a manner of not stretching out from the avris 52y in the long side of liquid crystal display panel 5, the delivery section 100 It is conveyed in such a way that an avris 52y is parallel to the conveying direction of liquid crystal display panel 5;Position-regulation portion 500 adjusts position single Member 530 is abutted from the side of the conveying direction of liquid crystal display panel 5 with an avris 52y, carries out position adjustment to liquid crystal display panel 5;And Inspection portion 600 checks the defect etc. of the laminated body 6 of the liquid crystal display panel 5 adjusted through position.

It is further preferred that liquid crystal display panel 5 is made of the component of the component of the side CF 51 and TFT side 52 in this system, in an avris 52y, in the component protruding portion 520 outstanding that liquid crystal display panel 5 is formed with component from the side CF of TFT side 52, in the CF of protruding portion 520 It is formed with terminal 50 on the face 521 of side, second optical film is laminated in the mode not being covered on terminal 50 in the second sticking part 200 20。

Detailed description of the invention

Fig. 1 is the skeleton diagram of the laminated body of optical display.

Fig. 2 is the schematic diagram for indicating the manufacturing device entirety of the laminated body of optical display of RTP mode.

Fig. 3 is the schematic diagram for constituting the second sticking part of the manufacturing device of the laminated body of optical display of RTP mode.

Fig. 4 is the schematic diagram for indicating the action step of the second sticking part of Fig. 3.

Fig. 5 is the block diagram of the action step of Fig. 4.

Fig. 6 is the schematic diagram for indicating the action step of the second sticking part of one chip.

Fig. 7 is the block diagram of the action step of one chip.

Fig. 8 is the structure for the bonding position of light polarizing film for indicating liquid crystal display panel with reference to figure.

Specific embodiment

Hereinafter, being carried out referring to attached drawing to the laminated body of optical display of the invention, its manufacturing method and manufacture system Explanation.Fig. 1 is the skeleton diagram of the laminated body of optical display of the invention.Fig. 2 and Fig. 3 is to indicate that the optics of RTP mode is aobvious The schematic diagram of the manufacturing device entirety of the laminated body of showing device and constitute the manufacturing device the second sticking part schematic diagram.About It constitutes the manufacturing device entirety of the laminated body of the optical display of one chip and constitutes the second sticking part of the manufacturing device Schematic diagram, the optical film layer as the one chip for being formed into sheet are laminated on the device on liquid crystal display panel, hold from Fig. 2 and Fig. 3 It is readily conceivable that, in order not to make to illustrate complexity, omits corresponding attached drawing.

Therefore, Fig. 4 and Fig. 5 and Fig. 6 and Fig. 7 is the face indicated for the TFT side 52 in the one side as liquid crystal display panel 5 Upper fitting has at process or the first sticking part 100 of the optical film 10 (hereinafter referred to as the first optical film 10) of the first light polarizing film The liquid crystal display panel 5 managed, fitting has the optics of the second light polarizing film on the face of the side CF 51 of the another side as liquid crystal display panel 5 The process of film 20 (hereinafter referred to as the second optical film 20) or the figure of the second sticking part 200, wherein optical film 10 has and liquid crystal The corresponding width of width or length or length of panel 5.That is, the face paste in the TFT side 52 of liquid crystal display panel 5 is omitted in these figures Close the process or the first sticking part with the first optical film 10 of width corresponding with the width of liquid crystal display panel 5 or length or length 100。

By Fig. 2, to the structure of the manufacturing device A entirety of the laminated body of the optical display of RTP mode simply into Row explanation.Firstly, rectangular liquid crystal display panel 5 is transported to the first sticking part 100 by supply unit 300 from upstream process. What is be stripped from the first optical film laminate 1 of submitting has width corresponding with the width of liquid crystal display panel 5 or length or length The first optical film 10 be transported to the bonding position of the first sticking part 100 via the stripping unit 60 of the wedge shape with top 61 101, also, the first optical film 10 is fitted in the liquid crystal display panel 5 for being transported to the first bonding position 101 by the first fitting unit 102 TFT side 52 face on.

By Fig. 3, to the second sticking part 200 of the manufacturing device A of the laminated body for the optical display for constituting RTP mode In movement summary and the downstream process of the second sticking part 200 be simply illustrated.In liquid crystal surface in the first sticking part 100 It is laminated with the liquid crystal display panel 5 of the first optical film 10 on the face of the TFT side of plate into the conveying of the second sticking part 200, is rotating 90 DEG C are rotated with turning part 150 (Fig. 2), then the second sticking part 200 is transported to by supply unit 300 with the state of overturning.

Via the first sticking part 100 is provided to and the stripping unit 60 of the wedge shape with same top 61 is from the second of submitting What optical film laminate 2 was stripped has the width greater than liquid crystal display panel 5 or the width of either one or length in length The second optical film 20 be transported to the bonding position 201 of the second sticking part 200, the second optical film 20 is bonded unit by RTP 202 are fitted on the face for the side CF 51 of liquid crystal display panel 5 for being transported to bonding position 201.

In the first sticking part 100, the first optical film 10 on the face of the TFT side 52 of liquid crystal display panel 5 is laminated in not from liquid crystal The periphery of panel 5 stretches out.On the other hand, it in the second sticking part 200, is laminated in such a way that absorption axiss become crossed Nicol relationship It is laminated in a manner of being stretched out from the periphery of liquid crystal display panel 5 in the second optical film 20 on the face of the side CF 51 of liquid crystal display panel 5.It is flexible Optical film 20 stretch out the liquid crystal display panel (that is, laminated body 6) that is laminated downstream the conveying of process also must be careful to carry out.

In the downstream process from the laminated body 6 of 200 output of the second sticking part, at least with photographic device through in laminated body Portion checks that the laminated body 6 after being positioned by position-regulation portion 500 has zero defect etc., and then checks first by reading alignment mark 53 The inspection portion 600 of optical film 10 and/or the second optical film 20 relative to the paste position of liquid crystal display panel 5, output optics display dress The laminated body 6 set.

Then, in the following, using the schematic diagram of Fig. 4 and the block diagram of Fig. 5, how illustrate in RTP mode from liquid crystal display panel 5 The stretching of second optical film 20 is laminated on the face of the side CF 51 of liquid crystal display panel 5 by periphery.

The first optical film 10 in upstream process is represented in Fig. 4 to be layered on the face of TFT side 52 and do not extended out prominent The state of the terminal 50 in portion 520 out.Therefore, in Fig. 4 and step 1 shown in fig. 5, the second optical film laminate 2 is being wound While carrier film 3 (the hereinafter referred to as Second support film 3) of second release film, shelled using stripping unit 60 from Second support film 3 From the second optical film 20, and make the prominent scheduled distance of the second optical film 20.Scheduled distance becomes the second optical film 20 to liquid The fitting starting position that the face paste of the side CF 51 of crystal panel 5 is closed.In step 2, it is determined in the state of protrusion by sensor 90 The front end (or rear end) 20 ' of second optical film 20.

In Fig. 4 and step 3 shown in fig. 5, the first optical film 10 will be laminated with using liquid crystal display panel fixed cell 310 The absorption of liquid crystal display panel 5 it is fixed and after determining the position of liquid crystal display panel 5 by liquid crystal display panel position-detection sensor 91, carry out The position of liquid crystal display panel fixed cell 310 is adjusted, and is allowed to the aligned in position with the second optical film 20 determined in step 1.In step In rapid 4, the liquid crystal display panel 5 for being laminated with the first optical film 10 is discharged from liquid crystal display panel fixed cell 310.

In Fig. 4 and step 5 shown in fig. 5, the front end 5 ' of liquid crystal display panel 5 is made by the supply unit 300 of liquid crystal display panel 5 It is moved to bonding position 201.In step 6, roller 204 is accepted by the doubling roller 203 and fitting for constituting RTP fitting unit 202 to press from both sides Hold than liquid crystal display panel 5 front end 5 ' and the second optical film 20 front end 20 ' slightly by inside position.

In Fig. 4 and step 7 shown in fig. 5, act RTP fitting unit 202 while winding Second support film 3, Second optical film 20 and the liquid crystal display panel 5 for being laminated in the first sticking part 100 first optical film 10 are bonded.Such as Fig. 4 It is shown, the second optical film 20 from the short side of liquid crystal display panel 5 expose distance alpha, from be equipped with liquid crystal display panel 5 terminal 50 long side at Pair long side expose distance beta, start joint movement.In step 8, on 5 upper layer of liquid crystal display panel for being laminated with the first optical film 10 After having folded the second optical film 20, opens doubling roller 203 and roller 204 is accepted in fitting.

As shown in Figure 1, liquid crystal display panel 5 is made of the component of the component of the side CF 51 and TFT side 52, in an avris 52y, in liquid Crystal panel 5 is formed with the component protruding portion 520 outstanding of component from the side CF of TFT side 52, in the face of the side CF of protruding portion 520 Terminal 50 is formed on 521.Therefore, in the process on the face of the side CF 51 that the second optical film 20 is laminated in liquid crystal display panel 5, By laminated body 6 that Fig. 4 and step shown in fig. 5 are produced with the mode not being covered on terminal 50 and so that the second optical film 20 The second optical film 20 is laminated in the state stretched out from three sides other than an avris 52y of the long side of liquid crystal display panel 5.

In addition, in the following, using the schematic diagram of Fig. 6 and the block diagram of Fig. 7, how illustrate in single chip mode by the second optical film 20 stretch out on the face of the side CF 51 for being laminated in liquid crystal display panel 5 from the periphery of liquid crystal display panel 5.

In Fig. 6 and step 1 shown in Fig. 7, be formed as sheet and via bonding for be accommodated in optical film incorporating section 700 The second optical film 20 that oxidant layer is laminated with the second release film 3 ' takes out a piece of, and 3 ' side of the second release film is made to be placed on first pair downward On the platform 701 of position.In step 2, second optical film 20 is adsorbed in the first aligning platform 701 with the first sorption fixed part 702 and is fixed Later, the position of the front end 20 ' of the second optical film 20 is determined by optical film position sensor 92.

In Fig. 6 and step 3 shown in Fig. 7, the position of one chip fitting unit 703 is adjusted, is allowed to and fixed the The aligned in position of the front end 20 ' of two optical films 20, and make the second absorption fixed part 704 and second of one chip fitting unit 703 20 side contacts of optical film.In step 4, after the second absorption fixed part 704 for making one chip fitting unit 703 acts, solution First except the first aligning platform 701 adsorbs fixed part 702, keeps one chip fitting unit 703 mobile.In steps of 5, it is being fixed on One chip be bonded unit 703 in the state of, by other regulation unit (not shown) from the second optical film 20 by second from Type film 3 ' is removed.

In Fig. 6 and step 6 shown in Fig. 7, adsorbed admittedly in the liquid crystal display panel 5 for being laminated with the first optical film 10 by third Determine portion 706 absorption be fixed on the second aligning platform 705 in the state of, pass through one chip liquid crystal display panel sensor 707 determine liquid crystal The position of panel 5.Liquid crystal display panel 5 is laminated with the first optical film on the face of the TFT side of liquid crystal display panel 5 in upstream process 10, and the third absorption fixed part 706 of the second aligning platform 705 adsorbs the face of the fixed TFT side 52 for being liquid crystal display panel 5.

It, will adsorbing fixed part 704 by the second of one chip fitting unit 703 in Fig. 6 and step 7 shown in Fig. 7 In the state that second optical film 20 is fixed, one chip fitting unit 703 is tilted, then, is inclined by one chip fitting unit 703 In the state of tiltedly, by the doubling roller 703 ' of one chip fitting unit 703 in the front end 20 ' than the second optical film 20 slightly by inside Position the front end 5 ' of liquid crystal display panel 5 is pressed.In step 8, in the state of pressing doubling roller 703 ', for each liquid crystal Panel makes the second absorption fixed part 704 that one chip fitting unit 703 is gradually released while the second aligning platform 705 is mobile, will Second optical film 20 is laminated on the face of the side CF 51 of liquid crystal display panel 5.

In Fig. 6 and step 9 shown in Fig. 7, the movement that the second optical film 20 is laminated to liquid crystal display panel 5 is completed.In step In 10, the second aligning platform 705 is discharged from the laminated body 6 Jing Guo step 9 output.Obviously, as shown in Figure 1, in liquid crystal display panel 5 On form protruding portion 520 in such a way that the component of the component of TFT side 52 from the side CF is outstanding, in the face 521 of the side CF of protruding portion 520 On be formed with terminal 50, in the laminated body 6 of output, be laminated in the second optical film 20 on the face of the side CF 51 of liquid crystal display panel 5 with The mode that is not covered on terminal 50 and with the second optical film 20 from other than an avris 52y of the long side of liquid crystal display panel 5 The state stacking that three sides are stretched out.

More than, either in RTP mode, or in single chip mode, the laminated body 6 of the optical display of institute's output It is that usual size is laminated in a manner of not stretching out from the periphery of liquid crystal display panel 5 on the face of the TFT side 52 of liquid crystal display panel 5 First optical film 10, on the other hand, not to be covered on the protrusion for being provided to liquid crystal display panel on the face of the side CF 51 of liquid crystal display panel 5 The size stretched out from the periphery on three sides of liquid crystal display panel 5 is laminated in the mode on terminal 50 on the face 521 of the side CF in portion 520 Second optical film 20.

By embodiment and attached drawing, the present invention is described, however, the present invention is not limited thereto, it is clear that has institute of the present invention The people of the usual knowledge of the technical field of category can be in the range with technical concept of the invention and claimed range equalization It is interior to carry out various amendments and deformation.

Symbol description

A: the manufacturing device of the laminated body of optical display

1: the first optical film laminate

2: the second optical film laminates

3: Second support film

3 ': the second release film

5: liquid crystal display panel

5 ': the front end of liquid crystal display panel

50: the terminal of liquid crystal display panel

51: the side CF of liquid crystal display panel

52: the TFT side of liquid crystal display panel

53: the alignment mark of liquid crystal display panel

52y a: avris of the long side of the TFT side of liquid crystal display panel

520: the protruding portion of the TFT side of liquid crystal display panel

521: the face of the side CF of protruding portion

6: laminated body:

10: the optical film (the first optical film) with the first light polarizing film

20: the optical film (the second optical film) with the second light polarizing film

The front end of 20 ': the second optical film

60: stripping unit

61: the top of stripping unit

Front end (or rear end) detection sensor of 90: the second optical films

91: liquid crystal display panel position-detection sensor

92: optical film position sensor

100: the first sticking parts

101: the first bonding position

102: the first fitting units

150: rotating and turn over portion

200: the second sticking parts

201: bonding position

202:RTP is bonded unit

203: doubling roller

204: roller is accepted in fitting

300: supply unit

310: liquid crystal display panel fixed cell

500: position-regulation portion

530: position regulating unit

600: inspection portion

630: fluoroscopic examination camera

700: optical film incorporating section

701: the first aligning platforms

702: the first absorption fixed parts

703: one chip is bonded unit

703 ': the doubling roller of one chip fitting unit

704: the second absorption fixed parts

705: the second aligning platforms

706: third adsorbs fixed part

707: one chip liquid crystal display panel sensor

Claims (12)

1. a kind of laminated body of optical display becomes crossed Nicol on the two sides of rectangular liquid crystal display panel with absorption axiss The optical film with light polarizing film has been laminated in the mode of relationship, which is characterized in that
The optical film of the one side of the liquid crystal display panel have width corresponding with the width of the liquid crystal display panel or length or Length,
The optical film of the another side of the liquid crystal display panel has in width or length greater than the liquid crystal display panel at least The width or length of either one.
2. layered product according to the claim 1, which is characterized in that
The one side of the liquid crystal display panel is the face of TFT side, and the another side of the liquid crystal display panel is the face of the side CF.
3. laminated body according to claim 1 or 2, which is characterized in that
The optical film of the another side of the liquid crystal display panel is not from the avris stretching in the long side of the liquid crystal display panel Mode is laminated.
4. laminated body according to claim 3, which is characterized in that
The liquid crystal display panel is made of the component of the component of another surface side and a surface side, do not stretched out in the optical film described in The long side of liquid crystal display panel is formed with the component protrusion outstanding of component from the another side of the one side in the liquid crystal display panel Portion is formed with terminal in another surface side of the protruding portion, and the optical film is not covered on the terminal.
5. a kind of method for the laminated body for manufacturing optical display, is laminated using the first optical film laminate and the second optical film Body manufactures the laminated body of optical display,
First optical film laminate has width corresponding with the width of the another side of rectangular liquid crystal display panel or length Or length, by having the optical film for the first light polarizing film being supported on the first release film via adhesive layer to constitute,
Width of second optical film laminate with the one side greater than the liquid crystal display panel or either one in length Width or length, by having the optical film of the second light polarizing film being supported on the second release film via adhesive layer to constitute,
The method is characterized in that, includes:
There is described the be stripped together with adhesive layer from first release film to the stacking of the one side of the liquid crystal display panel The process of the optical film of one light polarizing film;
To the another side for the liquid crystal display panel for being laminated with the optical film with the first light polarizing film, become orthogonal Nico with absorption axiss The light with second light polarizing film being stripped together with adhesive layer from second release film is laminated in the mode of your relationship The process for learning film.
6. according to the method described in claim 5, it is characterized in that,
The one side of the liquid crystal display panel is the face of TFT side, and the another side of the liquid crystal display panel is the face of the side CF.
7. method according to claim 5 or 6, which is characterized in that
Also include: after the process that is laminated in a manner of becoming the crossed Nicol relationship, make position regulating unit with It is abutted in the liquid crystal display panel that the two sides is laminated with optical film, the process that position adjustment is carried out to the liquid crystal display panel;With And the process that the liquid crystal display panel is checked after the process,
In the process of optical film that there is second light polarizing film to the stacking of the another side of the liquid crystal display panel, the light It learns film to be laminated in a manner of not stretching out from the avris in the long side of the liquid crystal display panel, with an avris relative to the liquid The parallel mode of the conveying direction of crystal panel is conveyed towards the process for carrying out position adjustment to the liquid crystal display panel, is made described Position regulating unit is abutted from the side of the conveying direction of the liquid crystal display panel with an avris, is carried out to the liquid crystal display panel Position adjustment.
8. the method according to the description of claim 7 is characterized in that
The liquid crystal display panel is made of the component of the component of another surface side and a surface side, in an avris, in the liquid crystal surface Plate is formed with the component protruding portion outstanding of component from the another side of the one side, in another surface side shape of the protruding portion At there is terminal, the optical film with second light polarizing film is laminated in the mode not being covered on the terminal.
9. a kind of manufacture system of the laminated body of optical display characterized by comprising
Supply unit conveys rectangular liquid crystal display panel;
First sticking part has and the another side of the liquid crystal display panel to the stacking of the one side of the transported liquid crystal display panel Width or the corresponding width of length or length and the optical film with the first light polarizing film;
Second sticking part, to the liquid crystal display panel for being laminated with the optical film with first light polarizing film another side to inhale Axis is received to be laminated in the width with the one side greater than the liquid crystal display panel or length at least as the mode of crossed Nicol relationship Either one width or length and the optical film with the second light polarizing film.
10. manufacture system according to claim 9, which is characterized in that
The one side of the liquid crystal display panel is the face of TFT side, and the another side of the liquid crystal display panel is the face of the side CF.
11. manufacture system according to claim 9 or 10, which is characterized in that
Also include:
Delivery section, the optical film described in second sticking part is not from the avris stretching in the long side of the liquid crystal display panel Mode is laminated, and the delivery section is conveyed in such a way that an avris is parallel to the conveying direction of the liquid crystal display panel;
Position-regulation portion abuts position regulating unit with an avris from the side of the conveying direction of the liquid crystal display panel, Position adjustment is carried out to the liquid crystal display panel;
Inspection portion checks the liquid crystal display panel adjusted through position.
12. manufacture system according to claim 11, which is characterized in that
The liquid crystal display panel is made of the component of the component of another surface side and a surface side, in an avris, in the liquid crystal surface Plate is formed with the component protruding portion outstanding of component from the another side of the one side, in another surface side shape of the protruding portion At there is terminal, the optical film with second light polarizing film is laminated in the mode not being covered on the terminal.
CN201780068152.7A 2016-11-01 2017-10-25 The laminated body of optical display, its manufacturing method and manufacture system CN109891307A (en)

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JP2016214718A JP6634360B2 (en) 2016-11-01 2016-11-01 LAMINATE OF OPTICAL DISPLAY, ITS MANUFACTURING METHOD AND MANUFACTURING SYSTEM
JP2016-214718 2016-11-01
PCT/JP2017/038472 WO2018084043A1 (en) 2016-11-01 2017-10-25 Laminate for optical display device and production method and production system therefor

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CN202010799872.4A CN111948849A (en) 2016-11-01 2017-10-25 Method and system for manufacturing laminated body of optical display device

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WO2018084043A1 (en) 2018-05-11
JP2018072688A (en) 2018-05-10
KR102154006B1 (en) 2020-09-09
CN111948849A (en) 2020-11-17
KR20190070933A (en) 2019-06-21
TW201825984A (en) 2018-07-16
TWI704398B (en) 2020-09-11

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