WO2013165013A1 - Système de production et procédé de fabrication de dispositif d'affichage optique - Google Patents

Système de production et procédé de fabrication de dispositif d'affichage optique Download PDF

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Publication number
WO2013165013A1
WO2013165013A1 PCT/JP2013/062695 JP2013062695W WO2013165013A1 WO 2013165013 A1 WO2013165013 A1 WO 2013165013A1 JP 2013062695 W JP2013062695 W JP 2013062695W WO 2013165013 A1 WO2013165013 A1 WO 2013165013A1
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WO
WIPO (PCT)
Prior art keywords
optical member
bonding
optical
sheet
bonded
Prior art date
Application number
PCT/JP2013/062695
Other languages
English (en)
Japanese (ja)
Inventor
達也 土岡
力也 松本
修央 出口
Original Assignee
住友化学株式会社
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
Application filed by 住友化学株式会社 filed Critical 住友化学株式会社
Publication of WO2013165013A1 publication Critical patent/WO2013165013A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/02—Methods 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
    • B32B37/14—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers
    • B32B37/16—Methods 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
    • B32B37/18—Methods 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
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/1303—Apparatus specially adapted to the manufacture of LCDs
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/133528—Polarisers
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/13363—Birefringent elements, e.g. for optical compensation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2457/00—Electrical equipment
    • B32B2457/20—Displays, e.g. liquid crystal displays, plasma displays
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/30—Polarising elements

Definitions

  • the present invention relates to a production system and production method for an optical display device such as a liquid crystal display.
  • This application claims priority based on Japanese Patent Application No. 2012-105326 filed on May 2, 2012 and Japanese Patent Application No. 2012-129748 filed on June 7, 2012, the contents of which are incorporated herein by reference. To do.
  • an optical member such as a polarizing plate to be bonded to a liquid crystal panel (optical display component) is formed from a long film into a sheet piece having a size matching the display area of the liquid crystal panel. After being cut out, packed and transported to another line, it may be bonded to a liquid crystal panel (for example, see Patent Document 1).
  • the images for the left and right eyes are alternately interwoven and displayed simultaneously for each line extending to the left and right of the pixels of the liquid crystal panel. It is possible to view 3D images through glasses.
  • a polarizing film is bonded to one surface (back surface) of a liquid crystal panel, and then a polarizing film is bonded to the other surface (front surface) of the liquid crystal panel. Then, after peeling off the FPR film (patterned phase difference film) having a plurality of polarization pattern columns corresponding to the plurality of pixel columns of the liquid crystal panel from the separator sheet, the FPR film is bonded onto the surface side polarization film. Things have been done.
  • the present invention has been proposed in view of such conventional circumstances, and provides an optical display device production system and production method that can further improve the product yield while simplifying the production process.
  • the purpose is to do.
  • the optical display device production system has a width corresponding to the display area of the optical display component for a plurality of optical display components conveyed on a line.
  • the first optical member obtained by cutting the first optical member sheet with a length corresponding to the display region while unwinding the belt-shaped first optical member sheet from the raw roll, the surface of the optical display component And the 1st bonding apparatus which bonds together to one surface among the back surfaces, and forms the 1st optical member bonding body, and the bonding optical member by which two optical members were bonded and integrated are conveyed on a line.
  • the second laminating apparatus includes a strip-shaped second optical member sheet and a third optical member having a width corresponding to the display area of the optical display component.
  • the bonded optical member obtained by cutting the bonded optical member sheet with a length corresponding to the display area while unwinding the bonded optical member sheet integrated with the sheet from the raw roll.
  • the first optical member bonded body is bonded to a surface opposite to the surface on which the first optical member is bonded to form the second optical member bonded body.
  • the second laminating apparatus removes the belt-shaped second optical member sheet having a width corresponding to the display area of the optical display component from the original roll.
  • a second optical member obtained by cutting the second optical member sheet with a length corresponding to the display area while unwinding, and a band-shaped third having a width corresponding to the display area of the optical display component The bonded optical member obtained by bonding and integrating the third optical member obtained by cutting the third optical member sheet with a length corresponding to the display area while unwinding the optical member sheet from the raw roll. It is preferable that the second optical member bonded body is formed by bonding the first optical member bonded body to the surface opposite to the surface on which the first optical member is bonded.
  • the optical display component is an optical display panel having a plurality of pixel rows, and the first optical member and the second optical member are polarizing films.
  • the third optical member is a patterned retardation film having a plurality of polarization pattern rows corresponding to the plurality of pixel rows, and the first laminating device includes the alignment direction of the pixel rows and the polarization film.
  • the first alignment device that determines the relative bonding position of the first optical member with respect to the optical display component based on the data of the polarization direction of the first optical device, the second bonding device, the alignment direction of the pixel row And a second alignment device that determines a relative bonding position of the bonding optical member with respect to the optical display component based on data on the alignment direction of the polarization pattern row.
  • a strip-shaped first optical member sheet having a width corresponding to a display area of the optical display component is provided for a plurality of optical display components conveyed on a line.
  • the first optical member obtained by cutting the first optical member sheet with a length corresponding to the display area while unwinding from the original fabric roll is placed on one of the front and back surfaces of the optical display component.
  • first bonding step Bonding together to form a first optical member bonding body (first bonding step), bonding and integrating two optical members to form a bonding optical member, and the bonding optical member on the line
  • the second optical member bonded body is formed by bonding to the surface opposite to the surface on which the first optical member of the plurality of first optical member bonded bodies to be conveyed is bonded (second bonding step).
  • second bonding step when forming the second optical member bonding body (second bonding step), the optical display device has a width corresponding to the display area of the optical display component.
  • the bonding optical member sheet While unwinding the bonding optical member sheet in which the band-shaped second optical member sheet and the third optical member sheet are bonded and integrated from the raw roll, the bonding optical member sheet has a length corresponding to the display area.
  • the bonded optical member obtained by cutting is bonded to the surface of the first optical member bonded body opposite to the surface where the first optical member is bonded to form the second optical member bonded body. It is preferable to do.
  • the optical display device when forming the second optical member bonding body (second bonding step), has a width corresponding to the display area of the optical display component.
  • the second optical member obtained by cutting the second optical member sheet with a length corresponding to the display area while unwinding the belt-shaped second optical member sheet from the raw roll, and the optical display component A third optical member obtained by cutting the third optical member sheet with a length corresponding to the display area while unwinding the belt-shaped third optical member sheet having a width corresponding to the display area from the original roll.
  • the 1st using the 1st bonding apparatus which bonds a 1st optical member to one surface among the surface of an optical display component, and a back surface.
  • FIG. 3 is a cross-sectional view taken along line AA in FIG. It is sectional drawing of the optical member sheet
  • This embodiment demonstrates the film bonding system which comprises a part of production system as a production system of an optical display device.
  • FIG. 1 is a schematic configuration diagram of a film bonding system 1 of the present embodiment.
  • the film bonding system 1 bonds a film-shaped optical member such as a polarizing film, a retardation film, and a brightness enhancement film to a panel-shaped optical display component such as a liquid crystal panel or an organic EL panel.
  • the film bonding system 1 constitutes a part of a production system for producing an optical display device including the optical display component and the optical member.
  • the liquid crystal panel P is used as the optical display component.
  • the film bonding system 1 is illustrated in two upper and lower stages.
  • FIG. 2 is a plan view of the liquid crystal panel P viewed from the thickness direction of the liquid crystal layer P3 of the liquid crystal panel P.
  • the liquid crystal panel P includes a first substrate P1 that has a rectangular shape in plan view, a second substrate P2 that has a relatively small rectangular shape disposed to face the first substrate P1, a first substrate P1, and a second substrate. And a liquid crystal layer P3 sealed between the substrate P2.
  • the liquid crystal panel P is formed in a rectangular shape that conforms to the outer shape of the first substrate P1 in a plan view, and a region that fits inside the outer periphery of the liquid crystal layer P3 in the plan view of the liquid crystal panel P is a display region P4.
  • FIG. 3 is a cross-sectional view taken along line AA in FIG.
  • the first optical member sheet F1, the second optical member sheet F2, and the third optical member sheet F3 (refer to FIG. 1; hereinafter, collectively referred to as the optical member sheet FX).
  • the first optical member F11, the second optical member F12, and the third optical member F13 (hereinafter, may be collectively referred to as an optical member F1X) that are cut out from FIG.
  • the 2nd optical member F12 and the 3rd optical member F13 comprise the bonding optical member F14 by which the bonding integration was carried out.
  • the bonding optical member F14 is based on a bonding optical member sheet F4 obtained by bonding and integrating a band-shaped second optical member sheet F2 and a third optical member sheet F3 having a width corresponding to the display region P4 of the liquid crystal panel P. It forms by cutting this bonding optical member sheet
  • the bonding optical member F14 unwinds the belt-shaped second optical member sheet F2 (not shown) having a width corresponding to the display region P4 of the liquid crystal panel P from the original roll, and this second optical member.
  • a second optical member F12 formed by cutting the sheet F2 with a length corresponding to the display region P4 of the liquid crystal panel P, and a strip-shaped third optical member sheet having a width corresponding to the display region P4 of the liquid crystal panel P
  • a third optical member F13 formed by cutting the third optical member sheet F3 to a length corresponding to the display region P4 of the liquid crystal panel P while unwinding F3 (not shown) from the raw roll. May be integrated.
  • the first optical member F11 that functions as a polarizing film is bonded to the surface (one surface, the back surface, the first surface) of the liquid crystal panel P facing the backlight.
  • the backlight may not only mean a light source but also a light guide member that guides light emitted from the light source to the liquid crystal panel P.
  • the surface of the liquid crystal panel P facing the backlight means a surface on which light emitted from a light source or a light guide member is incident.
  • FIG. 4 is a partial cross-sectional view of the optical member sheet FX bonded to the liquid crystal panel P.
  • the optical member sheet FX includes a film-like optical member main body F1a, an adhesive layer F2a provided on one surface (the upper surface and the first surface in FIG. 4) of the optical member main body F1a, and an optical member via the adhesive layer F2a.
  • the separator sheet F3a is detachably stacked on one surface of the main body F1a, and the surface protection film F4a is stacked on the other surface (the lower surface and the second surface in FIG. 4) of the optical member main body F1a.
  • the optical member main body F1a functions as a polarizing plate, and is bonded over the entire display area P4 of the liquid crystal panel P and its peripheral area. For convenience of illustration, hatching of each layer in FIG. 4 is omitted.
  • the optical member main body F1a is bonded to the liquid crystal panel P via the adhesive layer F2a in a state where the separator sheet F3a is separated while leaving the adhesive layer F2a on one surface of the optical member main body F1a.
  • seat FX is called the bonding sheet
  • the separator sheet F3a protects the adhesive layer F2a and the optical member body F1a before being separated from the adhesive layer F2a.
  • the surface protective film F4a is bonded to the liquid crystal panel P together with the optical member body F1a.
  • the surface protective film F4a is disposed on the side opposite to the liquid crystal panel P with respect to the optical member body F1a to protect the optical member body F1a.
  • the surface protective film F4a is separated from the optical member main body F1a at a predetermined timing.
  • seat FX the structure which does not contain the surface protection film F4a may be sufficient, and the structure where the surface protection film F4a is not isolate
  • FIG. 5 is a plan view (top view) of the film bonding system 1.
  • the film bonding system 1 will be described with reference to FIGS.
  • an arrow F indicates the transport direction of the liquid crystal panel P.
  • the upstream side of the liquid crystal panel P in the transport direction is referred to as the panel transport upstream side
  • the downstream side of the liquid crystal panel P in the transport direction is referred to as the panel transport downstream side.
  • the predetermined positions of the main conveyor 5 are the start point 5a and the end point 5b of the bonding process.
  • the film bonding system 1 includes a first sub-conveyor 6 that extends from the main point 5 at a right angle from the start point 5 a, and a first transfer device that transfers the liquid crystal panel P from the start point 5 a to the first start position 6 a of the first sub-conveyor 6. 8, a cleaning device 9 provided on the first sub-conveyor 6, a first rotary index 11 provided on the panel transport downstream side of the first sub-conveyor 6, and a first end position 6 b of the first sub-conveyor 6.
  • a second conveying device 12 that conveys the liquid crystal panel P to the first rotary starting position 11a of the one rotary index 11, and a first liquid crystal panel P that is positioned around the first rotary index 11 and that faces the backlight.
  • the 1st bonding apparatus 13 which bonds the optical member F11, and the reverse which reverses the 1st optical member bonding body P1 by which the 1st optical member F11 was bonded to liquid crystal panel P is used.
  • the film bonding system 1 includes a second rotary index 16 (line, second line) provided on the downstream side of the first rotary index 11 (line, first line) and the first rotary index 11.
  • a third transport device 17 that transports the first optical member bonding body P1 from the first rotary end position 11b to the second rotary first start position 16a of the second rotary index 16 and the second rotary index 16 are positioned around the first rotary index 16
  • An inspection device 19 for inspecting the second optical member bonding body P2 on which the film is bonded, and the panel conveyance downstream side of the second rotary index 16 are provided.
  • a fifth conveying device 22 for conveying the second optical member bonding body P2 from the second terminal position 7b of the second sub-conveyor 7 to the end point 5b of the main conveyor 5.
  • the film laminating system 1 performs a predetermined process sequentially on the liquid crystal panel P while transporting the liquid crystal panel P using the lines formed by the drive-type main conveyor 5, the sub-conveyors 6 and 7, and the rotary indexes 11 and 16. Apply. With the front and back surfaces of the liquid crystal panel P maintained horizontally, the liquid crystal panel P is conveyed on the line.
  • the liquid crystal panel P is conveyed, for example, in the main conveyor 5 with the short side of the display area P4 along the conveying direction, and in each of the sub-conveyors 6 and 7 orthogonal to the main conveyor 5, the long side of the display area P4 is conveyed in the conveying direction.
  • each rotary index 11, 16 the long side of the display area P 4 is conveyed in a direction along the radial direction of each rotary index 11, 16.
  • Reference numeral 5 c in the figure indicates a rack that flows on the main conveyor 5 in correspondence with the liquid crystal panel P.
  • the sheet piece (corresponding to the optical member F1X) of the bonding sheet F5 cut out to a predetermined length from the belt-shaped optical member sheet FX is bonded to the front and back surfaces of the liquid crystal panel P.
  • Each part which comprises the film bonding system 1 is integratedly controlled by the control apparatus 25 which functions as an electronic control apparatus.
  • the first transport device 8 holds the liquid crystal panel P so that the backlight side (the surface of the liquid crystal panel P facing the backlight) is the upper surface (so that it faces upward), and can freely move in the vertical and horizontal directions. Transport.
  • the first transport device 8 transports, for example, the liquid crystal panel P held by suction to the first starting position 6a (the left end in FIG. 5) of the first sub-conveyor 6 in a horizontal state, and cancels the suction at the position. Then, the liquid crystal panel P is delivered to the first sub-conveyor 6.
  • the cleaning device 9 is a water-washing device that brushes and rinses the front and back surfaces of the liquid crystal panel P and then drains the liquid crystal panel P.
  • the cleaning device 9 may be a dry device that removes static electricity from the front and back surfaces of the liquid crystal panel P and collects dust.
  • the second transport device 12 holds the liquid crystal panel P and transports it freely in the vertical and horizontal directions.
  • the second transport device 12 transports the liquid crystal panel P held by suction to the first rotary starting position 11a of the first rotary index 11 in a horizontal state, releases the suction at the position, and moves the liquid crystal panel P to the first position. Transfer to one rotary index 11.
  • the first rotary index 11 is a disk-shaped rotary table having a rotation axis along the vertical direction, and rotates the left end portion in plan view of FIG. 5 clockwise from the first rotary starting position 11a.
  • the position (upper end part of Drawing 5) rotated 90 degrees clockwise from the 1st rotary starting position 11a is the 1st pasting position 11c.
  • the first optical member F11 is bonded to the surface of the liquid crystal panel P facing the backlight by the first bonding device 13.
  • the surface protective film F4a of the first optical member F11 is peeled off by a film peeling device (not shown).
  • the 1st optical member bonding body P1 by which the 1st optical member F11 was bonded to the surface of the liquid crystal panel P facing a backlight is formed.
  • the reversing device 15 reverses the first optical member bonding body P1, thereby setting the display surface side of the first optical member bonding body P1 (liquid crystal panel P) as the upper surface (facing upward).
  • the position rotated by 135 ° clockwise from the film peeling position 11e (the lower end portion in FIG. 5) is the first rotary terminal position 11b. Thereafter, the first optical member bonding body P ⁇ b> 1 is carried out from the first rotary index 11 by the third transport device 17.
  • 3rd conveyance apparatus 17 hold maintains the 1st optical member bonding body P1 so that the display surface side of liquid crystal panel P may become an upper surface, and conveys it freely in a perpendicular direction and a horizontal direction.
  • the third transport device 17 transports, for example, the first optical member bonding body P1 held by suction to the second rotary starting position 16a of the second rotary index 16, and cancels the suction at the rotary starting position 16a to One optical member bonding body P ⁇ b> 1 is delivered to the second rotary index 16.
  • the second rotary index 16 is a disk-shaped rotary table having a rotation axis along the vertical direction, and rotationally drives the upper end of the plan view of FIG. 5 clockwise from the second rotary starting position 16a.
  • the position (right end part of Drawing 5) rotated 90 degrees clockwise from the 2nd rotary starting position 16a is the 2nd pasting position 16c.
  • the bonding optical member F14 (second and third optical members F12, F13) is bonded to the display surface side of the first optical member bonding body P1 by the second bonding device 18.
  • the position (right lower end part of Drawing 5) rotated 45 degrees clockwise from the 2nd pasting position 16c is film peeling position 16e.
  • the surface protective film F4a of the bonding optical member F14 (third optical member F13) is peeled off by a film peeling apparatus (not shown).
  • the 2nd optical member bonding body P2 by which the bonding optical member F14 (2nd and 3rd optical member F12, F13) was bonded by the display surface side of liquid crystal panel P is formed.
  • the bonding inspection position 16d In the second rotary index 16, the position (lower end portion in FIG. 5) rotated 45 ° clockwise from the first film peeling position 16e is the bonding inspection position 16d.
  • the work (second optical member bonding body P2) on which the film is bonded is inspected by the inspection device 19 (whether the position of the optical member F1X is appropriate (the positional deviation is within the tolerance range). Whether or not there is).
  • the work determined that the position of the optical member F1X with respect to the liquid crystal panel P is not appropriate is discharged out of the system by a not-shown discharging means (device).
  • the position rotated 90 ° clockwise from the bonding inspection position 16d (the left end in FIG. 5) is the second rotary terminal position 16b.
  • the second optical member bonding body P2 is carried out by the fourth conveying device 21 at the second rotary terminal position 16b.
  • the fourth transport device 21 holds the second optical member bonding body P2 and transports it freely in the vertical direction and the horizontal direction.
  • the 4th conveying apparatus 21 conveys the 2nd optical member bonding body P2 hold
  • the member bonding body P2 is delivered to the second sub-conveyor 7.
  • the fifth transport device 22 holds the second optical member bonding body P2 and transports it freely in the vertical and horizontal directions.
  • the fifth transport device 22 transports the second optical member bonding body P2 held by suction to the end point 5b of the main conveyor 5, releases the suction at the end point 5b, and delivers the liquid crystal panel P to the main conveyor 5.
  • the 1st bonding apparatus 13 is the bonding sheet
  • An F5 sheet piece (first optical member F11) is bonded (referred to as a first bonding step).
  • the 1st bonding apparatus 13 unwinds the 1st optical member sheet
  • a bonding head 32 that bonds the sheet piece to the upper surface of the liquid crystal panel P conveyed to the first bonding position 11c is provided.
  • the sheet conveying apparatus 31 is an apparatus that conveys the bonding sheet F5 using the separator sheet F3a as a carrier, and holds the original fabric roll R1 around which the belt-shaped first optical member sheet F1 is wound and the first optical member sheet F1.
  • the unwinding part 31a which unwinds along the longitudinal direction, the cutting device 31b which performs a half cut on the first optical member sheet F1 unwound from the original roll R1, and the first optical member sheet F1 which has been subjected to the half cut.
  • the optical member so that the conveying direction of the optical member sheet FX from the raw roll R1 toward the tip of the knife edge 31c and the conveying direction of the separator sheet F3a from the leading end of the knife edge 31c toward the separator roll R2 are acute angles.
  • the sheet FX is in contact with the knife edge 31c.
  • seat conveyance apparatus 31 guides the 1st optical member sheet
  • the first optical member sheet F1 is a horizontal direction (sheet width direction) orthogonal to the conveying direction of the first optical member sheet F1, and the width of the display area P4 of the liquid crystal panel P (the short side length of the display area P4 in this embodiment). Equivalent to the width).
  • the unwinding unit 31a positioned at the start point of the sheet conveying device 31 and the winding unit 31d positioned at the end point of the sheet conveying device 31 are driven in synchronization with each other, for example.
  • the winding-up part 31d winds up the separator sheet F3a which passed through the knife edge 31c, while the unwinding part 31a delivers the 1st optical member sheet
  • the upstream side in the transport direction of the first optical member sheet F1 (separator sheet F3a) in the sheet transport apparatus 31 is referred to as the upstream side of the sheet transport, and the downstream side in the transport direction is referred to as the downstream side of the sheet transport.
  • the length of the display area P4 in the length direction in which the first optical member sheet F1 is orthogonal to the sheet width direction (the length corresponding to the length of the long side of the display area P4 in this embodiment)
  • a part in the thickness direction of the first optical member sheet F1 is cut over the entire width along the sheet width direction (half cutting is performed).
  • the cutting device 31b performs cutting so that the first optical member sheet F1 (separator sheet F3a) is not broken by the tension acting during the conveyance of the first optical member sheet F1 (so that a predetermined thickness remains on the separator sheet F3a).
  • the advancing / retreating position of the blade is adjusted, and the half-cut is performed until reaching a position close to the interface between the adhesive layer F2a and the separator sheet F3a.
  • the first optical member sheet F1 after the half cut is cut along the entire width in the sheet width direction of the first optical member sheet F1 by cutting the optical member body F1a and the surface protection film F4a in the thickness direction. Is formed.
  • the first optical member sheet F1 is divided into sections having a length corresponding to the length of the long side of the display region P4 in the longitudinal direction by the cut line. Each section is one sheet piece (first optical member F11) in the bonding sheet F5.
  • the knife edge 31c is positioned below the first optical member sheet F1 conveyed substantially horizontally from the left side to the right side in FIG. 6 (the direction indicated by the arrow), and at least in the sheet width direction of the first optical member sheet F1. It extends over its full width.
  • the separator sheet F3a is wound around the knife edge 31c so that the knife edge 31c and the separator sheet F3a of the first optical member sheet F1 after half-cutting are in sliding contact.
  • the first optical member sheet F1 is wound around the acute end of the knife edge 31c.
  • the knife edge 31c peels the separator sheet F3a from the bonding sheet F5.
  • the adhesion layer F2a (bonding surface with the liquid crystal panel P) of the bonding sheet F5 faces downward.
  • a separator peeling position 31e Immediately above the tip of the knife edge 31c is a separator peeling position 31e, and the arc-shaped holding surface 32a of the bonding head 32 contacts the tip of the knife edge 31c from above, so that the sheet piece of the bonding sheet F5
  • the surface protection film F4a (surface opposite to the bonding surface) is bonded to the holding surface 32a of the bonding head 32.
  • the pasting head 32 has an arc-shaped holding surface 32a that is parallel to the sheet width direction and convex downward.
  • the holding surface 32a has, for example, a weaker bonding force than the bonding surface (adhesive layer F2a) of the bonding sheet F5, and the surface protective film F4a of the bonding sheet F5 can be repeatedly bonded and peeled off.
  • the pasting head 32 tilts so as to be parallel to the length direction and along the curvature of the holding surface 32a so as to be centered on the axis along the sheet width direction above the knife edge 31c.
  • the bonding head 32 is appropriately tilted when the bonding sheet F5 is bonded and held, and when the bonded sheet F5 bonded and held is bonded to the liquid crystal panel P.
  • the bonding head 32 is inclined so that the holding surface 32a faces downward and the curved one end side (right side in FIG. 6) of the holding surface 32a is on the lower side, and the curved one end side of the holding surface 32a is the knife edge 31c.
  • the top end portion of the bonding sheet F5 at the separator peeling position 31e is stuck to the holding surface 32a.
  • the whole sheet piece of the bonding sheet F5 is bonded to the holding surface 32a by tilting the bonding head 32 while feeding the bonding sheet F5.
  • the bonding head 32 can move up and down by a predetermined amount above the separator peeling position 31e and the first bonding position 11c, and can be appropriately moved between the separator peeling position 31e and the first bonding position 11c.
  • the laminating head 32 is connected to a driving device 33 that enables driving when moving up and down, moving, and tilting.
  • the bonding head 32 When the bonding head 32 adheres the bonding sheet F5 to the holding surface 32a, the bonding head 32 cuts the engagement with the driving device 33 after, for example, bonding the tip of the bonding sheet F5 to the holding surface 32a ( Can be tilted freely. From this state, the bonding head 32 is passively tilted with the feeding of the bonding sheet F5. When the bonding head 32 is tilted until the entire bonding sheet F5 is bonded to the holding surface 32a, the tilting of the bonding head 32 is locked, for example, by engaging with the driving device 33 in this inclined posture. In this state, the bonding head 32 moves above the first bonding position 11c.
  • the bonding head 32 When the bonding head 32 is bonded to the liquid crystal panel P, for example, the bonding head 32 is actively tilted by the operation of the driving device 33, and the liquid crystal panel P is bent along the curve of the holding surface 32a.
  • the bonding sheet F5 is pressed against the upper surface of the sheet and bonded securely.
  • a first detection camera 34 that detects the front end of the sheet piece of the bonding sheet F5 at the front end on the downstream side of the sheet conveyance is provided.
  • the detection data of the first detection camera 34 is sent to the control device 25.
  • the control device 25 temporarily stops the sheet conveying device 31, and then lowers the bonding head 32 to the holding surface 32a.
  • seat F5 is stuck.
  • the control device 25 performs the cutting of the bonding sheet F5 by the cutting device 31b. That is, the distance along the sheet conveyance path between the detection position by the first detection camera 34 (the optical axis extension position of the first detection camera 34) and the cutting position by the cutting device 31b (the cutting blade advance / retreat position of the cutting device 31b) is This corresponds to the length of the sheet piece of the bonding sheet F5.
  • the cutting device 31b is movable along the sheet conveyance path, and this movement changes the distance along the sheet conveyance path between the detection position by the first detection camera 34 and the cutting position by the cutting device 31b.
  • the movement of the cutting device 31b is controlled by the control device 25.
  • the control device 25 For example, when the bonding sheet F5 is unwound by a length corresponding to one sheet piece of the bonding sheet F5 after the bonding sheet F5 is cut by the cutting device 31b, the cut end deviates from a predetermined reference position. First, this deviation is corrected by the movement of the cutting device 31b. In addition, you may cut the bonding sheet
  • the first detection camera 34 also detects the defect mark marked on the bonding sheet F5.
  • the defect mark is marked by an inkjet or the like from the surface protective film F4a side at the defect point found on the first optical member sheet F1 when the raw roll R1 is manufactured.
  • the bonding sheet F5 in which the defect mark is detected is not bonded to the liquid crystal panel P after being bonded to the bonding head 32, and is moved to the discarding position avoiding the first bonding position 11c to be a waste material sheet or the like. Paste repeatedly.
  • both corners of the base end of the bonding sheet F5 bonded and held on the holding surface 32a are a pair of Each image is captured by the second detection camera 35.
  • Detection data of each second detection camera 35 is sent to the control device 25.
  • the control device 25 is based on the imaging data of each second detection camera 35, for example, the horizontal direction of the bonding sheet F5 with respect to the bonding head 32 (the moving direction of the bonding head 32 and its orthogonal direction and the rotation direction about the vertical axis). Check the position of.
  • the bonding head 32 performs alignment so that the position of the bonding sheet F5 (first optical member F11) is a predetermined reference position.
  • the control apparatus 25 which functions as a 1st alignment apparatus is the 1st detection camera 34, 2nd. Based on the detection data of the detection camera 35, the third detection camera 36, and the fourth detection camera 37, the arrangement direction of the pixel rows of the liquid crystal panel P and the polarization direction of the first optical member (polarizing film) F11 are coincident with each other. Thus, the relative bonding position of the 1st optical member F11 with respect to liquid crystal panel P is determined.
  • a pair of third detection cameras 36 for performing horizontal alignment of the liquid crystal panel P on the first bonding position 11c are provided.
  • a pair of fourth detection cameras 37 for horizontal alignment on the second bonding position 16c of the liquid crystal panel P are provided at the second bonding position 16c of the second rotary index 16.
  • Each third detection camera 36 images, for example, both corners on the left side in FIG. 5 of the glass substrate (first substrate P1) of the liquid crystal panel P. Each of the left corners in FIG. 5 is imaged.
  • the second bonding position 16c of the second rotary index 16 is provided with a pair of fifth detection cameras 38 for performing horizontal alignment on the second bonding position 16c of the liquid crystal panel P.
  • Each fifth detection camera 38 images, for example, both corners on the left side in FIG. 5 on the glass substrate of the liquid crystal panel P.
  • Detection data of each detection camera 34 to 38 is sent to the control device 25. It is also possible to use sensors in place of the detection cameras 34 to 38.
  • each of the rotary indexes 11 and 16 there is provided an alignment table 39 on which the liquid crystal panel P is placed and the horizontal alignment is possible.
  • the alignment table 39 is driven and controlled by the control device 25 based on the detection data of the detection cameras 34 to 38. Thereby, alignment of liquid crystal panel P with respect to each rotary index 11, 16 (each bonding position 11c, 16c) is made.
  • the bonding variation of the optical member F1X is suppressed, and the optical axis direction of the optical member F1X with respect to the liquid crystal panel P is reduced.
  • the accuracy is improved and the clarity and contrast of the optical display device are increased.
  • the optical member F1X can be accurately provided up to the end of the display area P4, and the frame area G (see FIG. 3) outside the display area P4 is narrowed to enlarge the display area and downsize the device. Is planned.
  • the 2nd bonding apparatus 18 is a sheet piece (2nd sheet
  • An optical member F12 and a third optical member F13 are bonded and integrated (bonding optical member F14) (referred to as a second bonding step).
  • This 2nd bonding apparatus 18 bonded and integrated the strip
  • seat F3 which have the width
  • the bonded optical member F14 obtained by cutting the bonded optical member sheet F4 with a length corresponding to the display region P4 (in FIG. 6, it is represented by an optical member sheet FX).
  • the second bonding apparatus 18 has basically the same configuration as the first bonding apparatus 13. Therefore, the specific description is abbreviate
  • the 2nd bonding apparatus 18 unwinds this strip
  • seat F2 which has the width
  • the control apparatus 25 which functions as a 2nd alignment apparatus is the imaging data of each alignment camera 20.
  • the arrangement direction of the pixel rows of the liquid crystal panel P based on the detection data of the first detection camera 34, the second detection camera 35, the third detection camera 36, the fourth detection camera 37, and the fifth detection camera 38;
  • the bonding optical member F14 (second optical member F12 and third optical member F13) to the liquid crystal panel P is aligned so that the alignment direction of the polarization pattern rows of the bonding optical member F14 (third optical member F13) matches each other. Determine the relative bonding position.
  • the bonding optical member (FPR-integrated polarizing film) F14 matches the polarization direction of the second optical member (polarizing film) F12 with the alignment direction of the polarization pattern rows of the third optical member (FPR film) F13. Bonded and integrated in the state of being allowed to. Therefore, when the bonding optical member F14 is bonded to the display surface of the liquid crystal panel P, the alignment direction of the pixel columns of the liquid crystal panel P and the alignment direction of the polarization pattern columns of the third optical member F13 are made to coincide with each other. Thus, the alignment direction of the pixel columns of the liquid crystal panel P and the polarization direction of the second optical member (polarizing film) F12 can be matched with each other.
  • the 2nd bonding apparatus 18 is each the periphery of the both ends of the edge (long side) of the said panel conveyance downstream side of the bonding sheet
  • a pair of alignment cameras that capture images from below and image the periphery of both ends of the edge (long side) of the display region P4 of the liquid crystal panel P positioned above and passing through the peripheral region of both ends. 20.
  • the 2nd bonding apparatus 18 aligns liquid crystal panel P in the 2nd bonding position 16c based on the imaging data of each alignment camera 20.
  • the alignment camera 20 is made up of an image sensor such as a CCD, for example, and is arranged with the optical axis of the light receiving unit directed vertically downward.
  • the alignment camera 20 is movable in the panel width direction, and easily captures the alignment reference of the liquid crystal panel P having different panel widths.
  • a pair of alignment marks M1 is provided at both ends of the edge of the liquid crystal panel P on the downstream side of the panel conveyance.
  • a pair of alignment marks M1 are also provided at both end portions of the edge portion located on the upstream side of the liquid crystal panel P.
  • a configuration may be adopted in which a predetermined line of the black matrix in the display area P4 is read instead of the alignment mark M1.
  • Alignment standards such as each alignment mark M1 are imaged from above by each alignment camera 20 at the second bonding position 16c.
  • the control device 25 Based on the imaging data of each alignment camera 20 and the detection data of the first detection camera 34, the second detection camera 35, the third detection camera 36, the fourth detection camera 37, and the fifth detection camera 38, the control device 25
  • the alignment table 39 is controlled to perform alignment in the X direction along the long side (sheet transport direction) of the liquid crystal panel P, the Y direction along the short side (panel transport direction), and the horizontal rotation direction.
  • reference numeral 18 a indicates the imaging range of the alignment camera 20.
  • the pixels in the display area P4 of the liquid crystal panel P are along the long side of the display area P4 (the horizontal direction of the optical display device to be produced, the direction in which a plurality of pixels of different colors are arranged).
  • Three points of Red (indicated by symbol R in the figure), Green (indicated by symbol G in the figure), and Blue (indicated by symbol B in the figure) are arranged.
  • a large number of pixels are arranged along the left-right direction to form a pixel column L, and a large number of the pixel columns L are arranged above and below the display region P4.
  • the alignment mark M1 is provided at both ends of an arbitrary straight line T extending in parallel with the pixel row L at the edge of the liquid crystal panel P on the downstream side of the panel conveyance.
  • the bonding sheet F5 (FPR film) has a polarization pattern array PA extending along its long side, and a large number of the polarization pattern arrays PA are arranged over the bonding sheet F5.
  • Each polarization pattern row PA is provided corresponding to each pixel row L of the liquid crystal panel P.
  • Each polarization pattern row PA is roughly classified into two types having different polarization directions for the left and right eyes, and patterning for the left eye and patterning for the right eye are alternately arranged.
  • reference sign pi1 indicates the pitch between the pixel array L and the polarization pattern array PA
  • reference sign pi2 indicates the width of the gap (black matrix) between the pixel arrays L
  • reference sign K indicates the boundary between the polarization pattern arrays PA of the bonding sheet F5.
  • the line pi3 indicates the arrangement target width of the boundary line K. For example, in the case of a 55-inch liquid crystal display, pi1 is 630 ⁇ m and pi2 is 150 ⁇ m, and pi3 at this time is 60 ⁇ m considering the fluctuation of the boundary line K itself.
  • Both ends M2 of (outermost boundary line K) are imaged by the alignment camera 20 as an alignment reference of the bonding sheet F5.
  • the control device 25 Based on the imaging data of each alignment camera 20 and the detection data of the first detection camera 34, the second detection camera 35, the third detection camera 36, the fourth detection camera 37, and the fifth detection camera 38, the control device 25 The operation of the alignment table 39 is controlled, and alignment in the X direction along the long side of the bonding sheet F5, the Y direction along the short side, and the horizontal rotation direction is performed.
  • each alignment standard of the bonding sheet F5 and the liquid crystal panel P is used by using an alignment camera having a pair of light receiving portions that enter between the bonding sheet F5 and the liquid crystal panel P and face up and down. Imaging may be performed. Moreover, you may provide the imaging device for each alignment reference
  • 10 indicates a relative angle in the horizontal rotation direction between the liquid crystal panel P and the bonding sheet F5, and the alignment in the horizontal rotation direction of the liquid crystal panel P and the bonding sheet F5 is performed according to the relative angle.
  • X1 and X2 respectively indicate relative distances in the X direction between the alignment marks M1 of the liquid crystal panel P and both end portions M2 of the outermost boundary line K of the bonding sheet F5. According to this relative distance, alignment of the liquid crystal panel P and the bonding sheet
  • symbols Y1 and Y2 indicate relative distances in the Y direction between the alignment marks M1 of the liquid crystal panel P and both ends M2 of the outermost boundary line K of the bonding sheet F5.
  • the liquid crystal panel P and the bonding sheet F5 are aligned in the Y direction according to the relative distance.
  • the alignment marks M1 are provided only in three of the four corners in plan view, the edge of the liquid crystal panel P on the downstream side of the panel transport is provided.
  • the alignment mark M1 may exist only at one end, not at both ends. In this case, in order to align the liquid crystal panel P, it may be necessary to transport the entire liquid crystal panel P to the panel transport downstream side of the alignment camera 20, or to rotate the liquid crystal panel P horizontally by 90 ° or 180 °. is there.
  • the alignment mark M1 when the alignment mark M1 is not present at the desired position on the liquid crystal panel P, the periphery of the corner of the outermost edge (edge portion) of the black matrix in the display area P4 is imaged, and predetermined image processing is performed on the imaged data.
  • the alignment camera 20 may be moved to detect the line at the center in the Y direction of the black matrix and the boundary line K at the center in the Y direction of the bonding sheet F5 as the alignment reference. Thereby, the alignment of the liquid crystal panel P can be performed without extra transport or rotation of the liquid crystal panel P.
  • the film bonding system 1 in the above embodiment is a system that produces an optical display device in which the optical member F1X is bonded to the liquid crystal panel P, and the first bonding device 13 and the second bonding device. And a combined device 18.
  • the 1st bonding apparatus 13 removes the strip
  • the first optical member F11 obtained by cutting the first optical member sheet F1 with a length corresponding to the display area P4 while being unwound is bonded to one of the front surface and the back surface of the liquid crystal panel P to be first.
  • the optical member bonding body P1 is formed.
  • said 1st optical member F11 of the said some 1st optical member bonding body P1 conveyed on the line the bonding optical member F14 by which two optical members were bonded and integrated.
  • the second optical member bonded body P2 is formed by bonding to a surface opposite to the bonded surface.
  • the 2nd bonding apparatus 18 bonded and integrated the strip
  • the bonding optical member sheet F4 is cut to a length corresponding to the display region P4 to form the bonding optical member F14.
  • the 2nd bonding apparatus 18 makes the bonding optical member F14 obtained in this way the surface on the opposite side to the surface where said 1st optical member F11 of said 1st optical member bonding body P1 was bonded. It bonds together and forms the 2nd optical member bonding body P2.
  • the 2nd bonding apparatus 18 unwinds this 2nd optical member sheet
  • a bonded optical member F14 may be formed in which the third optical member F13 obtained by cutting the third optical member sheet F3 with a length corresponding to the display region P4 is bonded and integrated.
  • the 2nd bonding apparatus 18 makes the bonding optical member F14 obtained in this way the surface on the opposite side to the surface where said 1st optical member F11 of said 1st optical member bonding body P1 was bonded. It bonds together and forms the 2nd optical member bonding body P2.
  • the 1st bonding process using the 1st bonding apparatus 13 which bonds the 1st optical member F11 to one surface among the surface and the back surface of liquid crystal panel P, and the 1st of liquid crystal panel P The 2nd bonding apparatus 18 which bonds the bonding optical member F14 which bonded and integrated the 2nd optical member F12 and the 3rd optical member F13 on the surface on the opposite side to the surface where the optical member F11 was bonded is used.
  • the second bonding step can be performed on the same line. For this reason, it is possible to simplify the production process and further increase the production efficiency of the FPR 3D liquid crystal display (optical display device).
  • this invention is not restricted to the said embodiment, For example, you may make it perform relative alignment with liquid crystal panel P and the bonding sheet
  • FIG. The configuration in the above embodiment is an example of the present invention, and various modifications can be made without departing from the gist of the present invention, including the component configuration, structure, shape, size, number, arrangement, and the like. While preferred embodiments of the present invention have been described and described above, it should be understood that these are exemplary of the invention and are not to be considered as limiting. Additions, omissions, substitutions, and other changes can be made without departing from the scope of the invention. Accordingly, the invention is not to be seen as limited by the foregoing description, but is limited by the scope of the claims.
  • Example 1 In Example 1, first, as shown in PART (a) of FIG. 11, a second optical member (polarizing film) F12 and a third optical member (FPR film) F13 are stacked on the second optical member F12. A bonded optical member (FPR integrated polarizing film) F14 that was bonded and integrated was produced.
  • the polarizing film F12 is a film in which a cycloolefin polymer (COP) as a retarder and polyvinyl alcohol (PVA: Poly Vinyl Alcohol) as a polarizer are sequentially laminated. It is.
  • COP cycloolefin polymer
  • PVA Poly Vinyl Alcohol
  • the FPR film F13 includes a liquid crystal layer (LC: Liquid Crystal Layer), a photo-alignment layer (A / L: photo-alignment layer), anti-glare-treated triacetyl cellulose (AG-TAC), and protection.
  • LC Liquid Crystal Layer
  • a / L photo-alignment layer
  • AG-TAC anti-glare-treated triacetyl cellulose
  • the FPR integrated polarizing film F14 which laminated
  • PSA Pressure Sensitive Adhesive
  • an FPR-integrated polarizing film F14 is bonded to the surface (display surface side) of a liquid crystal panel (LCD-Panel) P via a pressure sensitive adhesive (PSA). To do.
  • the first optical member (polarized film: Polarized film) is attached to the back surface (backlight side) of the liquid crystal panel (LCD-Panel) P via a pressure sensitive adhesive (PSA).
  • Film) F11 is bonded.
  • the polarizing film F11 has a configuration in which TAC, PVA, TAC, and a protective film (Protect Film) are sequentially laminated.
  • Comparative Example 1 In Comparative Example 1, first, as shown in PART (a) of FIG. 12, a second optical member (polarizing film) F12 was produced.
  • This polarizing film F12 is a film in which COP as a retarder, PVA as a polarizer, and TAC are laminated in order.
  • this polarizing film F12 is sent to the following process in the state which bonded the pressure sensitive adhesive (PSA) to the phaser (Retarder) side.
  • PSA pressure sensitive adhesive
  • the polarizing film F12 is bonded to the surface (display surface side) of the liquid crystal panel (LCD-Panel) P via a pressure sensitive adhesive (PSA). Furthermore, as shown to PART (c) of FIG. 12, the 3rd optical member (FPR film) F13 is bonded on the polarizing film F12 via a pressure sensitive adhesive (PSA).
  • PSA pressure sensitive adhesive
  • the first optical member (polarizing film: Polarized film) is attached to the back surface (backlight side) of the liquid crystal panel (LCD-Panel) P via a pressure sensitive adhesive (PSA). film) F11 is pasted.
  • PSA pressure sensitive adhesive
  • the number of parts of the 3D liquid crystal display can be reduced. Furthermore, since the number of times of bonding to the liquid crystal panel P is reduced, it is possible to simplify the production process of the 3D liquid crystal display and increase the production efficiency of the 3D liquid crystal display.
  • the TAC located in the upper layer of the polarizing film F12 and the PSA located in the lower layer of the FPR film F13 are omitted. Is possible.
  • the TAC in the polarizing film F11 may be COP, polyethylene terephthalate (PET), polymethylmethacrylate (PMMA), or polypropylene (PP).
  • the COP in the polarizing film F12 may be stretched TAC (N-TAC).
  • AG-TAC in the FPR film F14 may be AG-PMMA or AG-PET. Alternatively, it may be a hard coat layer (HC: Hard Coat layer), and an antireflection layer (LR: Low-Reflection layer) may be provided thereon.

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  • General Physics & Mathematics (AREA)
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Abstract

La présente invention porte sur un système de production de dispositif d'affichage optique, qui comporte : un premier dispositif de liaison (13) qui, pour une pluralité de produits de dispositif d'affichage optique (P) transportés sur une ligne (11), forme un premier corps lié à élément optique (P1) par liaison, à soit la surface avant, soit la surface arrière du produit de dispositif d'affichage optique (P), d'un premier élément optique (F11) obtenu par déroulement, d'un rouleau original (R1), d'une première feuille d'élément optique en forme de bande (F1) ayant une largeur correspondant à une région d'affichage (P4) du produit de dispositif d'affichage optique (P) et découpe de la première feuille d'élément optique (F1) à une longueur correspondant à la région d'affichage (P4) ; et un second dispositif de liaison (18) qui forme un second corps lié à élément optique (P2) par liaison d'un élément optique de liaison (14), dans lequel deux éléments optiques ont été unifiés par liaison, à la surface latérale opposée de la surface de la pluralité de premiers corps liés à élément optique (P1) qui sont transportés sur une ligne (16) auxquels le premier élément optique (F11) a été lié.
PCT/JP2013/062695 2012-05-02 2013-05-01 Système de production et procédé de fabrication de dispositif d'affichage optique WO2013165013A1 (fr)

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JP2012-129748 2012-06-07
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JP2015152899A (ja) * 2014-02-19 2015-08-24 住友化学株式会社 光学表示デバイスの製造方法
JP2015152897A (ja) * 2014-02-19 2015-08-24 住友化学株式会社 光学表示デバイスの製造方法
JP2015152898A (ja) * 2014-02-19 2015-08-24 住友化学株式会社 光学表示デバイスの製造方法
JP2015152896A (ja) * 2014-02-19 2015-08-24 住友化学株式会社 光学表示デバイスの製造方法
WO2016017807A1 (fr) * 2014-08-01 2016-02-04 日東電工株式会社 Procédé de manipulation de cellule d'affichage comportant une structure de film mince flexible

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WO2006129523A1 (fr) * 2005-05-30 2006-12-07 Sharp Kabushiki Kaisha Procede et dispositif de fabrication d’un dispositif d’affichage a cristaux liquides
JP2009175653A (ja) * 2007-12-27 2009-08-06 Nitto Denko Corp 光学表示装置の製造システム及び製造方法
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Publication number Priority date Publication date Assignee Title
JP2015152899A (ja) * 2014-02-19 2015-08-24 住友化学株式会社 光学表示デバイスの製造方法
JP2015152897A (ja) * 2014-02-19 2015-08-24 住友化学株式会社 光学表示デバイスの製造方法
JP2015152898A (ja) * 2014-02-19 2015-08-24 住友化学株式会社 光学表示デバイスの製造方法
JP2015152896A (ja) * 2014-02-19 2015-08-24 住友化学株式会社 光学表示デバイスの製造方法
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WO2016017807A1 (fr) * 2014-08-01 2016-02-04 日東電工株式会社 Procédé de manipulation de cellule d'affichage comportant une structure de film mince flexible

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