WO2013129235A1 - Optical display device production system, and optical display device production method - Google Patents
Optical display device production system, and optical display device production method Download PDFInfo
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- WO2013129235A1 WO2013129235A1 PCT/JP2013/054379 JP2013054379W WO2013129235A1 WO 2013129235 A1 WO2013129235 A1 WO 2013129235A1 JP 2013054379 W JP2013054379 W JP 2013054379W WO 2013129235 A1 WO2013129235 A1 WO 2013129235A1
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- WIPO (PCT)
- Prior art keywords
- bonding
- optical member
- sheet
- optical
- optical display
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/1303—Apparatus specially adapted to the manufacture of LCDs
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/30—Polarising elements
-
- 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
Definitions
- the present invention relates to a production system of an optical display device such as a liquid crystal display and a production method of the optical display device.
- the present application claims priority based on Japanese Patent Application No. 2012-044478 filed on February 29, 2012 and Japanese Patent Application No. 2012-084831 filed on April 3, 2012, and the contents thereof. Is hereby incorporated by reference.
- 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 (see, for example, Patent Document 1).
- An aspect according to the present invention has been made in view of the above circumstances, and an optical display device production system and an optical display capable of reducing the frame portion around the display area to enlarge the display area and downsize the device.
- the object is to provide a device production method.
- One aspect according to the present invention is an optical display device production system for bonding an optical member to an optical display component, wherein the optical display component is a plurality of the optical display components conveyed on a line.
- the optical member sheet While the belt-shaped optical member sheet having a width corresponding to the width of the display region is unwound from the original roll, the optical member sheet is cut to a length corresponding to the length in the transport direction of the display region, and the optical And a bonding device for bonding the optical member to the optical display component after forming the member, wherein the bonding device unwinds the optical member sheet from the raw roll together with a separator sheet; A cut portion that cuts the member sheet leaving the separator sheet to be the optical member; a peeling portion that peels the optical member from the separator sheet; and the optical portion And a bonding head that tilts along the curvature of the holding surface so that the optical member held on the holding surface is bonded to the optical display component. Moving the bonding head between the separation position of the optical member from the separator sheet and the bonding position of the optical member to the optical display component, and holding and bonding the optical member by the tilting; A driving device that drives the bonding head to perform bonding.
- the peeling part peels the optical member from the separator sheet with the bonding surface with the optical display component facing downward, and the bonding head is bonded to the bonding surface.
- maintained the upper surface on the opposite side to the said holding surface, and made the said bonding surface facing down may be sufficient.
- the bonding head is configured to align the optical member held on the holding surface in the horizontal direction in the head movement direction, in the orthogonal direction, and in the rotation direction. There may be.
- the bonding apparatus includes a detection unit that detects a defect mark marked on the optical member sheet, and detects the defect mark.
- a configuration may be adopted in which the part is held by the head and conveyed to the discarding position.
- the optical display component may include a rotation table that moves the optical display component to a carry-in position, the bonding position, and a carry-out position.
- the rotary table corresponds to the first rotary table corresponding to the bonding of the optical member to the front and back side surfaces of the optical display component, and to the other side surfaces of the optical display component.
- the structure which is a 2nd turntable corresponding to pasting of the above-mentioned optical member may be sufficient.
- the rotary table may be provided in a single unit corresponding to the bonding of the optical member to the front and back side surfaces of the optical display component.
- a plurality of the rotary tables may be provided corresponding to each of the plurality of optical members to be bonded to the optical display component.
- a plurality of optical members are provided for each kind of optical member so that the optical members are simultaneously bonded to the plurality of optical display components around the rotary table.
- the structure by which the said bonding apparatus is provided may be sufficient.
- An aspect of the present invention is an optical display device production method in which an optical member is bonded to an optical display component, and the optical display component is a plurality of the optical display components conveyed on a line. While the belt-shaped optical member sheet having a width corresponding to the width of the display region is unwound from the original roll, the optical member sheet is cut to a length corresponding to the length in the transport direction of the display region, and the optical And a bonding step of bonding the optical member to the optical display component after forming the member, the bonding step unwinding the optical member sheet together with the separator sheet from the raw fabric roll; A cutting step of cutting the member sheet leaving the separator sheet to form the optical member; a peeling step of peeling the optical member from the separator sheet; and the light
- the member is attached to and held on the arc-shaped holding surface of the bonding head, and the optical member held on the holding surface is bonded to the optical display component so as to follow the curvature of the holding surface.
- a tilting step of tilting the bonding head and moving the bonding head between a separation position of the optical member from the separator sheet and a bonding position of the optical member to the optical display component, and And a driving step of driving the bonding head so as to hold and bond the optical member by tilting.
- One aspect according to the present invention is an optical display device production system for bonding an optical member to an optical display component, and the optical member sheet is unwound from a raw roll while the belt-shaped optical member sheet is unwound.
- the bonding device cuts the optical member sheet from the raw roll together with the separator sheet, and cuts the optical member sheet leaving the separator sheet.
- a first bonding device that performs bonding on one surface side of the optical display component, and the other surface of the optical display component
- a second laminating device for laminating the surface side of the optical member sheet in the first laminating device, and the cutting of the optical member sheet in the second laminating device.
- the parts are both laser cutters, and the cut part of the first bonding device and the cut part of the second bonding device are connected to the same laser output device, and output from the laser output device.
- the laser which was made may be branched and supplied to the said cut part of said 1st bonding apparatus, and the said cut part of said 2nd bonding apparatus.
- a belt-shaped optical member sheet having a width corresponding to the display area is cut into a predetermined length to form an optical member, and this optical member is held in an arc shape by tilting the bonding head.
- the optical member is bonded to the optical display component by tilting the bonding head, thereby suppressing the dimensional variation and bonding variation of the optical member, and reducing the frame portion around the display area. Expansion and downsizing of the device can be achieved.
- the continuous bonding of the optical member is facilitated, and the production efficiency of the optical display device can be increased.
- the optical member can be smoothly held by tilting the arc-shaped holding surface, and the optical member can be reliably bonded to the optical display component by tilting the arc-shaped holding surface.
- FIG. 3 is a cross-sectional view taken along line AA in FIG. 2. It is sectional drawing of the optical member sheet
- This embodiment demonstrates the film bonding system which comprises the one part 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 is configured as a part of a production system that produces 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.
- 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 has a rectangular shape that conforms to the outer shape of the first substrate P1 in plan view, and a region that fits inside the outer periphery of the liquid crystal layer P3 in plan view is defined as a display region P4.
- FIG. 3 is a cross-sectional view taken along the line AA in FIG.
- the front and back surfaces of the liquid crystal panel P are cut out from the first, second, and third optical member sheets F1, F2, and F3 (refer to FIG. 1; hereinafter, sometimes collectively referred to as the optical member sheet FX) having a long strip shape.
- the first, second, and third optical members F11, F12, and F13 (hereinafter may be collectively referred to as the optical member F1X) are appropriately bonded.
- the first optical member F11 and the third optical member F13 as polarizing films are bonded to both the backlight side and the display surface side of the liquid crystal panel P, respectively.
- a second optical member F12 as a brightness enhancement film is further bonded to the surface on the backlight side of the liquid crystal panel P so as to overlap the first optical member F11.
- 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 in FIG. 4) of the optical member main body F1a, and one of the optical member main bodies F1a via the adhesive layer F2a.
- the separator sheet F3a is detachably stacked on the surface, and the surface protection film F4a is stacked on the other surface (the lower surface in FIG. 4) of the optical member 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 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 thereof.
- 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 main 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.
- the optical member sheet FX may be configured not to include the surface protective film F4a, or the surface protective film F4a may be configured not to be separated from the optical member main body F1a.
- the optical member body F1a is bonded to the sheet-like polarizer F6, the first film F7 bonded to one surface of the polarizer F6 with an adhesive or the like, and the other surface of the polarizer F6 with an adhesive or the like. And a second film F8.
- the first film F7 and the second film F8 are protective films that protect the polarizer F6, for example.
- the optical member body F1a may have a single-layer structure including one optical layer or a stacked structure in which a plurality of optical layers are stacked on each other.
- the optical layer may be a retardation film, a brightness enhancement film, or the like.
- At least one of the first film F7 and the second film F8 may be subjected to a surface treatment that provides an effect such as anti-glare including hard coat treatment and anti-glare treatment for protecting the outermost surface of the liquid crystal display element.
- the optical member body F1a may not include at least one of the first film F7 and the second film F8.
- the separator sheet F3a may be bonded to one surface of the optical member body F1a via the adhesive layer F2a.
- FIG. 5 is a plan view (top view) of the film bonding system 1.
- the film bonding system 1 is demonstrated with reference to FIG. 1, FIG.
- 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 film bonding system 1 sets the predetermined position of the main conveyor 5 as the start point 5a and the end point 5b of the bonding process.
- the film laminating system 1 conveys the liquid crystal panel P from the starting point 5a to the first and second sub-conveyors 6 and 7 extending in the direction perpendicular to the main conveyor 5 and from the starting point 5a to the first starting position 6a of the first sub-conveyor 6.
- the film bonding system 1 includes a second rotary index 16 provided on the panel transport downstream side of the first rotary index 11 and a second rotary index 16 from the first rotary terminal position 11 b of the first rotary index 11.
- a third transport device 17 that transports the liquid crystal panel P to the rotary starting position 16a, a third bonding device 18 and an inspection device 19 provided around the second rotary index 16, and a panel transport downstream side of the second rotary index 16
- a second conveyor 7 provided on the second rotary conveyor 16
- a fourth conveyor device 21 for conveying the liquid crystal panel P from the second rotary end position 16b of the second rotary index 16 to the second starting position 7a of the second sub conveyor 7, From the second terminal position 7b of the sub-conveyor 7 to the end point 5b of the main conveyor 5, the liquid crystal panel P
- a fifth transport device 22 for transporting.
- 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.
- the liquid crystal panel P is conveyed on the line with its front and back surfaces being horizontal.
- 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 band-shaped optical member sheet FX is bonded to the front and back surfaces of the liquid crystal panel P.
- a control device 25 as an electronic control device.
- the first transport device 8 holds the liquid crystal panel P and transports it freely in the vertical and horizontal directions.
- 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, for example, a water-washing type that performs brushing and rinsing of the front and back surfaces of the liquid crystal panel P and then drains the front and back surfaces of the liquid crystal panel P.
- the cleaning device 9 may be a dry type that performs static electricity removal and dust collection on the front and back surfaces of the liquid crystal panel P.
- the second transport device 12 holds the liquid crystal panel P and transports it freely in the vertical and horizontal directions. For example, 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 disc-shaped rotary table having a rotation axis along the vertical direction, and is driven to rotate clockwise with the left end portion in plan view of FIG. 5 as the first rotary starting position 11a.
- the 1st rotary index 11 makes the position (upper end part of FIG. 5) rotated 90 degrees clockwise from the 1st rotary first departure position 11a the 1st bonding position 11c.
- the first optical member F11 on the backlight side by the first bonding device 13 is bonded at the first bonding position 11c.
- the 1st rotary index 11 makes the film peeling position 11e the position (upper right end part of FIG. 5) rotated 45 degrees clockwise from the 1st bonding position 11c.
- the film peeling device 14 peels the surface protective film F4a of the first optical member F11.
- the 1st rotary index 11 makes the position (right end position of FIG. 5) rotated 45 degrees clockwise from the film peeling position 11e the 2nd bonding position 11d.
- the second optical member F12 on the backlight side is bonded by the second bonding device 15 at the second bonding position 11d.
- the 1st rotary index 11 makes the position (lower end part of FIG. 5) rotated 90 degrees clockwise from the 2nd bonding position 11d the 1st rotary terminal position 11b. Carrying out by the 3rd conveying apparatus 17 is made
- the third transport device 17 holds the liquid crystal panel P and transports it freely in the vertical and horizontal directions.
- the third transport device 17 transports, for example, the liquid crystal panel P held by suction to the second rotary starting position 16a of the second rotary index 16, and reverses the front and back of the liquid crystal panel P during this transport, so that the second rotary starting position The suction is released at 16 a and the liquid crystal panel P is transferred to the second rotary index 16.
- the second rotary index 16 is a disc-shaped rotary table having a rotation axis along the vertical direction, and is driven to rotate clockwise with the upper end portion in plan view of FIG. 5 as the second rotary starting position 16a.
- the 2nd rotary index 16 makes the position (right end part of FIG. 5) rotated 90 degrees clockwise from the 2nd rotary first departure position 16a the 3rd bonding position 16c.
- the third optical member F13 on the display surface side is bonded by the third bonding device 18 at the third bonding position 16c.
- the 2nd rotary index 16 makes the position (lower end part of Drawing 5) rotated 90 degrees clockwise from the 3rd bonding position 16c the bonding inspection position 16d. Inspection at the bonding inspection position 16d by the inspection device 19 of the workpiece (liquid crystal panel P) on which the film is bonded (whether the position of the optical member F1X is appropriate (whether the positional deviation is within the tolerance range) ) Etc.) is made. 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 payout unit (not shown).
- the second rotary index 16 has a position (left end portion in FIG. 5) rotated 90 ° clockwise from the bonding inspection position 16d as a second rotary terminal position 16b. Carrying out by the 4th conveying apparatus 21 is made
- the fourth transport device 21 holds the liquid crystal panel P and transports it freely in the vertical and horizontal directions.
- the fourth transport device 21 transports the liquid crystal panel P held by suction to the second starting position 7a of the second sub-conveyor 7, releases the suction at the second starting position 7a, and moves the liquid crystal panel P to the second sub-conveying position 7a. Delivered to the conveyor 7.
- the fifth transport device 22 holds the liquid crystal panel P and transports it freely in the vertical and horizontal directions.
- the fifth transport device 22 transports the liquid crystal panel P 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 a sheet piece (1st optical) of the bonding sheet
- the 1st bonding apparatus 13 is a sheet
- the conveyance device 31 and the sheet conveyance device 31 hold the sheet piece (first optical member F11) of the bonding sheet F5 cut out from the first optical member sheet F1, and convey this sheet piece to the first bonding position 11c.
- the sheet conveying device 31 conveys the bonding sheet F5 using the separator sheet F3a as a carrier.
- the sheet conveying device 31 holds an original roll R1 around which the belt-shaped first optical member sheet F1 is wound, and unwinds a first optical member sheet F1 along its longitudinal direction, and an original roll R1.
- the sheet conveying apparatus 31 has a some guide roller which winds the 1st optical member sheet
- the first optical member sheet F1 is equivalent to the width of the display area P4 of the liquid crystal panel P (corresponding to the short side length of the display area P4 in this embodiment) in the horizontal direction (sheet width direction) orthogonal to the conveying direction.
- 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 cutting device 31b has a length equal to the length of the display area P4 (corresponding to the long side length of the display area P4 in this embodiment) in the length direction in which the first optical member sheet F1 is orthogonal to the sheet width direction. Each time it is fed out, a part in the thickness direction of the first optical member sheet F1 is cut across 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 to the vicinity of 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 long side length 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, and extends at least over the entire width in the sheet width direction of the first optical member sheet F1.
- the knife edge 31c is wound so as to be in sliding contact with the separator sheet F3a side of the first optical member sheet F1 after the half cut.
- the knife edge 31c wraps the first optical member sheet F1 at an acute angle at the acute end portion.
- the separator sheet F3a is peeled 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 tip of the knife edge 31c is in contact with the arc-shaped holding surface 32a of the bonding head 32 from above, so that the surface of the sheet piece of the bonding sheet F5
- the protective 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. Tilt of the bonding head 32 is appropriately made when the bonding sheet F5 is bonded and held, and when the bonding 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 adheres the bonding sheet F5 to the holding surface 32a, for example, after the front end of the bonding sheet F5 is bonded to the holding surface 32a, the engagement with the driving device 33 is cut. It can be tilted freely, and from this state, it is tilted passively with the feeding of the bonding sheet F5.
- the tilting is locked by, for example, engaging the drive device 33 in this inclined posture, and the first bonding is performed in this state. It moves above the 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 relevant site on the downstream side of the sheet conveyance. Detection information of the first detection camera 34 is sent to the control device 25. For example, when the first detection camera 34 detects the downstream end of the bonding sheet F5, the control device 25 temporarily stops the sheet conveying device 31, and then lowers the bonding head 32 to the holding surface 32a. The front-end
- 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 cutting end is a predetermined reference.
- this deviation is corrected by the movement of the cutting device 31b.
- the first detection camera (detection unit) 34 also detects a 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 this defect mark is detected is not bonded to the liquid crystal panel P after being bonded to the bonding head 32, and is disposed at a discarding position (discarding position, discarding position) avoiding the first bonding position 11c. Move and paste on waste material sheet.
- 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 information 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. When the relative position of the bonding head 32 and the bonding sheet F5 is misaligned, the bonding head 32 performs alignment so that the position of the bonding sheet F5 is a predetermined reference position.
- the first bonding position 11c of the first rotary index 11 is provided with a pair of third detection cameras 36 for performing horizontal alignment of the liquid crystal panel P on the first bonding position 11c.
- a pair of fourth detection cameras 37 for performing horizontal alignment on the second bonding position 11d of the liquid crystal panel P is provided at the second bonding position 11d 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.
- a pair of fifth detection cameras 38 for performing horizontal alignment on the third bonding position 16c of the liquid crystal panel P is provided at the third bonding position 16c of the second rotary index 16.
- 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 information of each of the detection cameras 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 information of each of the detection cameras 34 to 38. Thereby, alignment of the liquid crystal panel P with respect to each rotary index 11, 16 (each bonding position 11c, 11d, 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 display area P4, and the frame area G (see FIG. 3) outside the display area P4 can be narrowed to enlarge the display area and downsize the device.
- the film bonding system 1 in the above-described embodiment is for bonding the optical member F1X to the liquid crystal panel P, and the liquid crystal panel P is conveyed with respect to the plurality of liquid crystal panels P conveyed on the line. While the belt-shaped optical member sheet FX having a width corresponding to the display area P4 of the panel P is unwound from the original roll R1, the optical member sheet FX is cut to a length corresponding to the display area P4, and the optical member F1X is cut. Then, the optical device F1X is provided with bonding devices 13, 15, and 18 for bonding the liquid crystal panel P to the liquid crystal panel P, and the bonding devices 13, 15, and 18 remove the optical member sheet FX from the original fabric roll R1.
- Unwinding part 31a which unwinds with separator sheet F3a, and cuts optical member sheet FX leaving separator sheet F3a, and optical member F1
- the cutting device 31b, the knife edge 31c for peeling the optical member F1X from the separator sheet F3a, and the optical member F1X are attached to and held on the arc-shaped holding surface 32a and held on the holding surface 32a.
- the bonding head 32 tilting along the curvature of the holding surface 32a and the bonding head 32 are separated from the separator sheet F3a of the optical member F1X.
- the optical member F1X is moved between the peeling position (separator peeling position 31e) and the bonding position 11c, 11d, 16c of the optical member F1X to the liquid crystal panel P, and the optical member F1X is held and bonded by the tilting. It has the drive device 33 which drives the said bonding head 32 so that it may implement.
- the belt-shaped optical member sheet FX having a width corresponding to the display region P4 is cut to a predetermined length to form the optical member F1X, and the optical member F1X is held in an arc shape by tilting the bonding head 32.
- the optical member F1X is bonded to the liquid crystal panel P by the tilting of the bonding head 32, and the dimensional variation and bonding variation of the optical member F1X are suppressed, and the frame portion G around the display region P4 is held.
- the display area can be enlarged and the device can be downsized.
- continuous bonding of the optical member F1X becomes easy, and the production efficiency of the optical display device can be increased.
- the optical member F1X can be smoothly held by the tilt of the arc-shaped holding surface 32a, and the optical member F1X can be reliably bonded to the liquid crystal panel P by the tilt of the arc-shaped holding surface 32a.
- the said film bonding system 1 makes the said knife edge 31c peel the said optical member F1X from the said separator sheet F3a with the bonding surface with the said liquid crystal panel P facing down, and the said bonding head 32 is the said.
- An optical member by moving between the peeling position and the bonding position in a state where the upper surface opposite to the bonding surface is bonded to and held on the holding surface 32a and the bonding surface is faced downward.
- the sheet FX is conveyed with the bonding surface on the adhesive layer F2a side facing downward, and it is possible to suppress the occurrence of bonding failure by suppressing scratches on the bonding surface of the optical member sheet FX, adhesion of foreign matters, and the like.
- the said film bonding system 1 carries in the said liquid crystal panel P carrying-in position (each rotary starting position 11a, 16a), the said bonding position (each bonding position 11c, 11d, 16c), and carrying out position (each rotary terminal position).
- 11b, 16b) is provided with the rotary indexes 11, 16 to be moved efficiently, and the transport direction of the liquid crystal panel P can be switched efficiently, and the rotary indexes 11, 16 can also be suppressed as part of the line. Installation flexibility can be increased.
- the film bonding system 101 of this embodiment conveys two liquid crystal panels P on the large rotary index 111 with respect to 1st embodiment, and performs the bonding process on these two liquid crystal panels P simultaneously. Especially different.
- the same components as those of the first embodiment are denoted by the same reference numerals, and detailed description thereof is omitted.
- the first sub conveyor 6 has a pair of first end positions 6b and 6b 'in parallel
- the second sub conveyor 7 has a pair of second start positions 7a and 7a' in parallel.
- the film bonding system 101 includes a relatively large rotary index 111 instead of the rotary indexes 11 and 16, and a pair of bonding devices 13, 15, and 18 and a film peeling device 14.
- the third transport device 17 between the rotary indexes 11 and 16 is not disposed.
- the inspection device 19 is moved on the second subline 7.
- the rotary index 111 has a pair of first rotary positions 111a in the extending direction of the first end positions 6b, 6b ′ of the first sub-conveyor 6, and a pair of first stickers clockwise from each rotary first position 111a. It is in the extension direction of each 2nd starting position 7a, 7a 'of the joint position 111c, a pair of film peeling position 111f, a pair of 2nd bonding position 111d, a pair of 3rd bonding position 111e, and the 2nd sub conveyor 7. These are provided in the order of a pair of rotary end positions 111b. Between the second bonding position 111d and the third bonding position 111e, a reversing device (not shown) that reverses the liquid crystal panel P is provided.
- the dimensional variation and bonding variation of the optical member F1X are suppressed, the frame portion G around the display region P4 is reduced, and the display area is enlarged and Miniaturization of equipment can be achieved.
- the tact per liquid crystal panel P can be shortened.
- the film bonding system 201 of this embodiment includes rotary indexes 211 to 214 for each of the bonding devices 13, 15, and 18 and the film peeling device 14 with respect to the first embodiment, and on each of the rotary indexes 211 to 214.
- the liquid crystal panels P are transported two by two, and the two liquid crystal panels P are subjected to a bonding step at the same time.
- the same components as those of the first embodiment are denoted by the same reference numerals, and detailed description thereof is omitted.
- the first sub-conveyor 6 has a pair of first end positions 6b and 6b 'in parallel
- the second sub-conveyor 7 has a pair of second initial positions 7a and 7a' in parallel
- the film bonding system 201 includes first, second, third, and fourth rotary indexes 211, 212, 213, and 214 that replace the rotary indexes 11 and 16, respectively, and a pair of around the first rotary index 211.
- a pair of third bonding devices 18 are provided.
- a transport device (not shown) is provided between the rotary indexes 211 to 214, respectively.
- the inspection device 19 is moved on the second subline 7.
- the first rotary index 211 has a pair of first rotary start positions 211a in the extending direction of the first end positions 6b and 6b ′ of the first sub-conveyor 6, and clockwise from each first rotary start position 211a.
- the pair of first bonding positions 211c and the pair of first rotary terminal positions 211b adjacent to the second rotary index 211 are included in this order.
- the second rotary index 212 has a pair of second rotary starting positions 212a that are adjacent to the first rotary index, and a pair of film peeling positions 212c and a second position clockwise from each second rotary starting position 212a. These are provided in the order of a pair of second rotary terminal positions 212b located adjacent to the three rotary indexes.
- the third rotary index 213 has a pair of third rotary first starting positions 213a located adjacent to the second rotary index 212, and a pair of second bonding positions 213c clockwise from each third rotary first starting position 213a. , And a pair of third rotary terminal positions 213b located adjacent to the fourth rotary index.
- the fourth rotary index 214 has a pair of fourth rotary starting positions 214a that are adjacent to the third rotary index 213, and a pair of third bonding positions 214c clockwise from each fourth rotary starting position 214a. , And a pair of fourth rotary terminal positions 214b in the extension direction of the second starting positions 7a, 7a ′ of the second sub-conveyor 7.
- the transport device between the third and fourth rotary indexes 213 and 214 has a function of turning the liquid crystal panel P upside down.
- the size variation and the bonding variation of the optical member F1X are suppressed, the frame portion G around the display region P4 is reduced, and the display area is enlarged and Miniaturization of equipment can be achieved.
- the tact per liquid crystal panel P can be shortened.
- the degree of freedom in arrangement of equipment can be improved.
- 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. 1 The configuration in the above embodiment is an example of the present invention, and of course, various modifications can be made without departing from the spirit of the invention, including the component configuration, structure, shape, size, number, arrangement, and the like. is there.
- FIG. 9 is a schematic configuration diagram of a film bonding system 1A of the fourth embodiment.
- 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.
- 1 A of film bonding systems are the 1st inspection apparatus (measurement apparatus) 40 provided in the circumference
- a transport device 112 that transports the liquid crystal panel P to the first rotary starting position 11 a of one rotary index 11 and a first bonding device 13 provided around the first rotary index 11 are provided.
- 1 A of film bonding systems are the liquid crystal panel P from the conveyor 27 provided in the panel conveyance downstream of the 1st rotary index 11 from the 1st rotary terminal position 11b of the 1st rotary index 11 to the first departure position 27a of the conveyor 27.
- Conveying device 26 that conveys the front and back in reverse, second laminating device 15 provided around conveyor 27, second rotary index 16 provided on the panel conveying downstream side of conveyor 27, and final position 27b of conveyor 27
- a transport device 28 for transporting the liquid crystal panel P from the first rotary index 16 to the second rotary starting position 16a, a film peeling device 14, a third bonding device 18 and a second inspection provided around the second rotary index 16.
- a conveying device 29 for conveying the liquid crystal panel P from 16b to not shown conveyor provided in the panel conveyance downstream side of the second rotary index 16.
- the film laminating system 1A sequentially performs a predetermined process on the liquid crystal panel P while conveying the liquid crystal panel P using the lines formed by the rotary indexes 11 and 16 and the conveyors 10 and 27.
- the liquid crystal panel P is conveyed on the line in a state where the front and back surfaces thereof are horizontal, and a sheet piece (optical member) of a bonding sheet F5 cut out from the belt-shaped optical member sheet FX to a predetermined length with respect to the front and back surfaces. Is equivalent to F1X).
- Each part of 1 A of film bonding systems is integratedly controlled by the control apparatus 25 as an electronic control apparatus.
- the first inspection device 40 measures the external dimensions of the liquid crystal panel P.
- the external dimensions of the liquid crystal panel P are defined as the external dimensions of the first substrate P1 and the second substrate P2 of the liquid crystal panel P, for example.
- the first substrate P1 and the second substrate P2 are cut out in accordance with the outer dimensions of the display area P4 of the liquid crystal panel P, but a slight dimensional error occurs when the first substrate P1 and the second substrate P2 are cut out. Therefore, in this embodiment, the external dimension of the liquid crystal panel P is measured in advance, and the size of the optical member F1X cut out from the optical member sheet FX is adjusted based on the measurement result.
- the first inspection device 40 includes four cameras 40 a installed on the transport path (first inspection position 10 a) of the conveyor 10, and has four corners of the first substrate P ⁇ b> 1 and the second substrate P ⁇ b> 2. Detect position. Then, the external dimensions (long side and short side lengths) of the first substrate P1 and the second substrate P2 are detected from the positions of the four corners of the first substrate P1 and the second substrate P2. The external dimensions of the liquid crystal panel P are detected for each liquid crystal panel P conveyed on the line. The data of the external dimensions of the liquid crystal panel P measured by the first inspection device 40 is stored in the storage device 24 shown in FIG.
- the transport device 112 holds the liquid crystal panel P and transports it freely in the vertical and horizontal directions. For example, the transport device 112 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, cancels the suction at the position, and moves the liquid crystal panel P to the first rotary index. Pass to index 11.
- the first rotary index 11 is a disk-shaped rotary table having a rotation axis along the vertical direction, and rotationally drives, for example, clockwise as a first rotary starting position 11a with a carry-in position from the conveying device 112.
- the 1st rotary index 11 makes the 1st bonding position 11c the position rotated only a predetermined angle from the 1st rotary first departure position 11a clockwise, for example.
- the 3rd optical member F13 by the side of the display surface by the 1st bonding apparatus 13 is made
- the first optical member bonding body PA1 is formed.
- the first rotary index 11 is, for example, a position rotated by a predetermined angle clockwise from the first bonding position 11c as a first rotary terminal position 11b.
- the first optical member bonding body PA1 is carried out by the transport device 26 at the first rotary terminal position 11b.
- the conveyance device 26 holds the liquid crystal panel P (first optical member bonding body PA1) and conveys it freely in the vertical direction and the horizontal direction.
- the transport device 26 transports, for example, the liquid crystal panel P held by suction to the initial position 27a of the conveyor 27, reverses the front and back of the liquid crystal panel P during this transport, releases the suction at the initial position 27a, and releases the liquid crystal panel P. Is transferred to the conveyor 27.
- the 2nd bonding position 27c is set on the conveyance path
- the first optical member F11 is bonded to the other surface of the liquid crystal panel P by the second bonding device 15 (the surface opposite to the surface where the third optical member F13 of the first optical member bonding body PA1 is bonded). By being combined, the second optical member bonding body PA2 is formed.
- the conveyance device 28 holds the liquid crystal panel P (second optical member bonding body PA2) and conveys it freely in the vertical direction and the horizontal direction.
- the transport device 28 transports the liquid crystal panel P held by suction to the second rotary starting position 16a of the second rotary index 16 in a horizontal state, releases the suction at the position, and moves the liquid crystal panel P to the second rotary index. Transfer to index 16.
- the second rotary index 16 is a disc-shaped rotary table having a rotation axis extending in the vertical direction, and is driven to rotate clockwise, for example, with the carry-in position from the conveying device 28 as the second rotary starting position 16a.
- the second rotary index 16 is defined as a film peeling position 116c, for example, a position rotated by a predetermined angle clockwise from the second rotary starting position 16a. At this film peeling position 116c, the surface protective film F4a of the first optical member F11 is peeled off by the film peeling device 14.
- the second rotary index 16 is defined as a third bonding position 116d that is a position rotated clockwise by a predetermined angle from the film peeling position 116c.
- the second optical member F12 on the backlight side is bonded by the third bonding device 18 at the third bonding position 116d.
- the third optical member bonding body PA3 is formed.
- the second rotary index 16 has a position rotated by a predetermined angle, for example, clockwise from the third bonding position 116d as a bonding inspection position 116e. Inspection by the inspection device 19 of the workpiece (liquid crystal panel P) on which the film is bonded at the bonding inspection position 116e (whether the position of the optical member F1X is appropriate (whether the positional deviation is within the tolerance range) ) Etc.) is made. 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 payout unit (not shown).
- the second rotary index 16 is defined as a second rotary terminal position 16b that is a position rotated, for example, clockwise by a predetermined angle from the bonding inspection position 116e.
- the third optical member bonding body PA3 is carried out by the transport device 29.
- the 1st bonding apparatus 13 is the sheet piece (3rd optical) of the bonding sheet
- the 1st bonding apparatus 13 is a sheet
- the conveyance device 31 and the sheet conveyance device 31 hold the sheet piece (third optical member F13) of the bonding sheet F5 cut out from the third optical member sheet F3 and convey this sheet piece to the first bonding position 11c.
- the sheet conveying device 31 conveys the bonding sheet F5 using the separator sheet F3a as a carrier.
- the sheet conveying device 31 holds an original roll R1 around which the belt-shaped third optical member sheet F3 is wound, and unwinds a third optical member sheet F3 along its longitudinal direction, and an original roll R1.
- a cutting device (cut part) 31b for half-cutting the third optical member sheet F3 unwound from the sheet, and a third optical member sheet F3 subjected to half-cut are wound at an acute angle to bond sheet F5 from separator sheet F3a.
- a take-up portion 31d for holding a separator roll R2 that takes up the separator sheet F3a that has become independent through the knife edge 31c.
- the sheet conveying apparatus 31 has a some guide roller which winds the 3rd optical member sheet
- the third optical member sheet F3 is in the horizontal direction (sheet width direction) orthogonal to the conveyance direction, and the width of the display area P4 of the liquid crystal panel P (the one of the long side and the short side of the display area P4). In this embodiment, it has a width equivalent to the short side length of the display area P4.
- 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 3rd optical member sheet
- the upstream side in the transport direction of the third optical member sheet F3 (separator sheet F3a) in the sheet transport device 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 third optical member sheet F3 is orthogonal to the sheet width direction (the length of the other side of the long side and the short side of the display area P4).
- a part of the third optical member sheet F3 in the thickness direction is cut over the entire width along the sheet width direction. (Has a half cut)
- the cut position of the third optical member sheet F3 is adjusted based on the measurement result of the external dimensions of the liquid crystal panel P.
- the control device 25 acquires the external dimension data of the liquid crystal panel P stored in the storage device 24 (see FIG. 9), and the third optical member F13 is outside the liquid crystal panel P (third optical member).
- the cut position of the third optical member sheet F3 is determined so as not to protrude to the outside of the substrate to which F13 is bonded.
- the cutting device 31b performs a half cut on the third optical member sheet F3 at the cutting position determined by the control device 25.
- the cutting device 31b performs cutting so that the third optical member sheet F3 (separator sheet F3a) is not broken by the tension acting during conveyance of the third optical member sheet F3 (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 to the vicinity of the interface between the adhesive layer F2a and the separator sheet F3a.
- a laser device in place of the cutting blade may be used.
- a CO2 laser cutter can be used as the cutting device 31b.
- the laser cutters (cutting devices 31b) provided in the first, second and third bonding devices 13, 15, 18 are the same laser. It is preferable to connect to an output device, and branch the high-power laser light output from the laser output device into three and supply each laser cutter. Thereby, compared with the case where a separate laser output apparatus is connected to each of three laser cutters, size reduction of the production system of an optical display device can be achieved.
- the third optical member sheet F3 after the half cut is cut along the entire width in the sheet width direction of the third optical member sheet F3 by cutting the optical member body F1a and the surface protection film F4a in the thickness direction. Is formed.
- the third optical member sheet F3 is divided into sections having a length corresponding to the long side length of the display region P4 in the longitudinal direction by the cut line. Each section is a sheet piece (third optical member F13) in the bonding sheet F5.
- the knife edge 31c is located below the third optical member sheet F3 conveyed substantially horizontally from the left side to the right side in FIG. 10, and extends at least over the entire width in the sheet width direction of the third optical member sheet F3.
- the knife edge 31c is wound so as to be in sliding contact with the separator sheet F3a side of the third optical member sheet F3 after the half cut.
- the knife edge 31c wraps the third optical member sheet F3 at an acute angle around the sharp edge.
- the separator sheet F3a is peeled 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 tip of the knife edge 31c is in contact with the arc-shaped holding surface 32a of the bonding head 32 from above, so that the surface of the sheet piece of the bonding sheet F5
- the protective film F4a (surface opposite to the bonding surface) is bonded to the holding surface 32a of the bonding head 32.
- the first bonding position 11c of the first rotary index 11 is provided with a pair of third detection cameras 36 for performing horizontal alignment of the liquid crystal panel P on the first bonding position 11c.
- the second bonding position 27c of the conveyor 27 is also provided with a pair of fourth detection cameras (not shown) for performing horizontal alignment on the second bonding position 27c of the liquid crystal panel P.
- a pair of fourth detection cameras (not shown) for performing horizontal alignment on the third bonding position 116d of the liquid crystal panel P is provided at the third bonding position 116d of the index 16. Detection information of each detection camera is sent to the control device 25. It is also possible to use a sensor instead of each detection camera.
- an alignment table 39 on which the liquid crystal panel P is placed and the horizontal alignment thereof is possible.
- the alignment table 39 is driven and controlled by the control device 25 based on the detection information of each detection camera. Thereby, alignment of liquid crystal panel P with respect to each bonding position 11c, 27c, 116d 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 display area P4, and the frame area G (see FIG. 3) outside the display area P4 can be narrowed to enlarge the display area and downsize the device.
- 1 A of film bonding systems in the said embodiment cut the optical member sheet
- the optical member sheet FX in the bonding devices 13, 15, 18 And a control device 25 for determining a cutting position. Therefore, it is possible to cut out the optical member F1X that matches the outer dimensions of the liquid crystal panel P, and the frame area G (see FIG. 3) outside the display area P4 is narrowed to enlarge the display area and downsize the device.
- the bonding apparatuses 13, 15, and 18 are the unwinding part 31a which unwinds the optical member sheet
- a cutting device 31b that cuts the optical member F1X by leaving F3a, a knife edge 31c that peels the optical member F1X from the separator sheet F3a, and holds and holds the optical member F1X on the holding surface 32a.
- the optical member F1X can be smoothly held by the tilt of the arc-shaped holding surface 32a, and the arc-shaped holding surface 32a is also tilted. Thus, the optical member F1X can be reliably bonded to the liquid crystal panel P.
- FIG. 12A and 12B are schematic views of a bonding apparatus applied to the film bonding system of the fifth embodiment.
- 12A is a diagram illustrating a state in which the optical member F1X is held by the bonding head 60
- FIG. 12B is a diagram illustrating a state in which the optical member F1X is bonded to the liquid crystal panel P.
- the bonding apparatus of the fourth embodiment uses the bonding head 32 having the arc-shaped holding surface 32a, whereas the bonding apparatus of the present embodiment is a flat surface. It is the point which uses the bonding head 60 which has the holding surface 60a of a shape. Therefore, it demonstrates centering around the structure of the bonding head 60 here, about the component which is common in 4th embodiment, the same code
- the bonding apparatus of the present embodiment tilts the bonding head 60, the bonding roller 62, the guide bar 61 that supports the bonding head 60 and the bonding roller 62, and the guide bar 61 with respect to the liquid crystal panel P. And a driving device 63 that horizontally moves in the state.
- the bonding apparatus of this embodiment is provided with the same unwinding part, cutting part and knife edge (peeling part) as those shown in FIG.
- the pasting head 60 has a flat holding surface 60a for holding the optical member F1X peeled from the separator sheet.
- the holding surface 60a is inclined with respect to the liquid crystal panel P when the guide bar 61 is inclined.
- the optical member F1X is positioned so that one end thereof protrudes outside the holding surface 60a, and is attracted to the holding surface 60a.
- the adsorption force of the optical member F1X is weak, and the optical member F1X can move in the horizontal direction while sliding on the holding surface 60a while being held by the holding surface 60a.
- the laminating roller 62 is disposed on the side of the laminating head 60, and the optical member F1X protruding from the holding surface 60a of the laminating head 60 is pressed against the liquid crystal panel P to be adhered.
- the bonding head 60 and the bonding roller 62 are moved to the optical member F1X while the one end of the optical member F1X is bonded to the liquid crystal panel P. It moves horizontally from the one end side toward the other end side. Thereby, the optical member F1X is gradually bonded to the liquid crystal panel P from the one end side by the bonding roller 62.
- the bonding head 60 aligns the optical member F1X held on the holding surface 60a in the horizontal direction in the head movement direction, the direction orthogonal thereto, and the rotation direction.
- the bonding head 60 bonds the optical member F1X held on the holding surface 60a to the liquid crystal panel P based on the relative bonding position determined by the control device 25.
- an optical display device production system capable of reducing the frame portion around the display area to enlarge the display area and downsize the device.
Abstract
Description
本願は、2012年2月29日に出願された日本国特願2012-044478号および2012年4月3日に出願された日本国特願2012-084831号に基づき優先権を主張し、その内容をここに援用する。 The present invention relates to a production system of an optical display device such as a liquid crystal display and a production method of the optical display device.
The present application claims priority based on Japanese Patent Application No. 2012-044478 filed on February 29, 2012 and Japanese Patent Application No. 2012-084831 filed on April 3, 2012, and the contents thereof. Is hereby incorporated by reference.
(1)本発明に係る一態様は、光学表示部品に光学部材を貼合する光学表示デバイスの生産システムであって、ライン上を搬送される複数の前記光学表示部品に対し、前記光学表示部品の表示領域の幅に対応する幅を有する帯状の光学部材シートを原反ロールから巻き出しつつ、前記光学部材シートを前記表示領域の搬送方向における長さに対応する長さでカットして前記光学部材とした後、前記光学部材を前記光学表示部品に貼り合わせる貼合装置を備え、前記貼合装置は、前記光学部材シートを前記原反ロールからセパレータシートと共に巻き出す巻き出し部と;前記光学部材シートを前記セパレータシートを残してカットして前記光学部材とするカット部と;前記光学部材を前記セパレータシートから剥離させる剥離部と;前記光学部材を円弧状の保持面に貼り付けて保持すると共に、前記保持面に保持した前記光学部材を前記光学表示部品に貼合するように、前記保持面の湾曲に沿うように傾動する貼合ヘッドと;前記貼合ヘッドを、前記光学部材の前記セパレータシートからの剥離位置と前記光学部材の前記光学表示部品への貼合位置との間で移動させると共に、前記傾動による前記光学部材の保持及び貼合を実施するように前記貼合ヘッドを駆動させる駆動装置と;を有する。 The present invention employs the following aspects in order to solve the above-described problems and achieve the object.
(1) One aspect according to the present invention is an optical display device production system for bonding an optical member to an optical display component, wherein the optical display component is a plurality of the optical display components conveyed on a line. While the belt-shaped optical member sheet having a width corresponding to the width of the display region is unwound from the original roll, the optical member sheet is cut to a length corresponding to the length in the transport direction of the display region, and the optical And a bonding device for bonding the optical member to the optical display component after forming the member, wherein the bonding device unwinds the optical member sheet from the raw roll together with a separator sheet; A cut portion that cuts the member sheet leaving the separator sheet to be the optical member; a peeling portion that peels the optical member from the separator sheet; and the optical portion And a bonding head that tilts along the curvature of the holding surface so that the optical member held on the holding surface is bonded to the optical display component. Moving the bonding head between the separation position of the optical member from the separator sheet and the bonding position of the optical member to the optical display component, and holding and bonding the optical member by the tilting; A driving device that drives the bonding head to perform bonding.
(3)上記(1)または(2)の態様において、前記貼合ヘッドが、前記保持面に保持した前記光学部材を、水平方向でヘッド移動方向及びその直交方向並びに回転方向でアライメントする構成であってもよい。
(4)上記(1)から(3)いずれか一項の態様において、前記貼合装置が、前記光学部材シートに印された欠点マークを検出する検出部を有し、前記欠点マークを検出した部位を前記ヘッドに保持して破棄位置に搬送する構成であってもよい。 (2) In the aspect of (1), the peeling part peels the optical member from the separator sheet with the bonding surface with the optical display component facing downward, and the bonding head is bonded to the bonding surface. The structure which moves between the said peeling position and the said bonding position in the state which affixed and hold | maintained the upper surface on the opposite side to the said holding surface, and made the said bonding surface facing down may be sufficient.
(3) In the above aspect (1) or (2), the bonding head is configured to align the optical member held on the holding surface in the horizontal direction in the head movement direction, in the orthogonal direction, and in the rotation direction. There may be.
(4) In the aspect according to any one of (1) to (3), the bonding apparatus includes a detection unit that detects a defect mark marked on the optical member sheet, and detects the defect mark. A configuration may be adopted in which the part is held by the head and conveyed to the discarding position.
(6)上記(5)の態様において、前記回転テーブルが、前記光学表示部品の表裏一側面への前記光学部材の貼合に対応する第一回転テーブルと、前記光学表示部品の表裏他側面への前記光学部材の貼合に対応する第二回転テーブルとである構成であってもよい。
(7)上記(5)の態様において、前記回転テーブルが、前記光学表示部品の表裏両側面への前記光学部材の貼合に対応して単一に設けられる構成であってもよい。
(8)上記(5)の態様において、前記回転テーブルが、前記光学表示部品に貼合する複数の前記光学部材のそれぞれに対応して複数設けられる構成であってもよい。
(9)上記(7)または(8)の態様において、前記回転テーブルの周囲に、複数の前記光学表示部品への前記光学部材の貼合を同時に行うように、一種の光学部材毎に複数の前記貼合装置が設けられる構成であってもよい。 (5) In the aspect according to any one of (1) to (4), the optical display component may include a rotation table that moves the optical display component to a carry-in position, the bonding position, and a carry-out position.
(6) In the aspect of the above (5), the rotary table corresponds to the first rotary table corresponding to the bonding of the optical member to the front and back side surfaces of the optical display component, and to the other side surfaces of the optical display component. The structure which is a 2nd turntable corresponding to pasting of the above-mentioned optical member may be sufficient.
(7) In the aspect of the above (5), the rotary table may be provided in a single unit corresponding to the bonding of the optical member to the front and back side surfaces of the optical display component.
(8) In the aspect of the above (5), a plurality of the rotary tables may be provided corresponding to each of the plurality of optical members to be bonded to the optical display component.
(9) In the aspect of the above (7) or (8), a plurality of optical members are provided for each kind of optical member so that the optical members are simultaneously bonded to the plurality of optical display components around the rotary table. The structure by which the said bonding apparatus is provided may be sufficient.
また、光学部材の連続的な貼合が容易になり、光学表示デバイスの生産効率を高めることができる。
また、円弧状の保持面の傾動により光学部材をスムーズに保持できると共に、同じく円弧状の保持面の傾動により光学部材を光学表示部品に確実に貼合できる。 According to each aspect of the present invention, a belt-shaped optical member sheet having a width corresponding to the display area is cut into a predetermined length to form an optical member, and this optical member is held in an arc shape by tilting the bonding head. In the same way, the optical member is bonded to the optical display component by tilting the bonding head, thereby suppressing the dimensional variation and bonding variation of the optical member, and reducing the frame portion around the display area. Expansion and downsizing of the device can be achieved.
Moreover, the continuous bonding of the optical member is facilitated, and the production efficiency of the optical display device can be increased.
In addition, the optical member can be smoothly held by tilting the arc-shaped holding surface, and the optical member can be reliably bonded to the optical display component by tilting the arc-shaped holding surface.
液晶パネルPは、例えばメインコンベヤ5では表示領域P4の短辺を搬送方向に沿わせた向きで搬送され、メインコンベヤ5と直交する各サブコンベヤ6,7では表示領域P4の長辺を搬送方向に沿わせた向きで搬送され、各ロータリインデックス11,16では表示領域P4の長辺を各ロータリインデックス11,16の径方向に沿わせた向きで搬送される。図中符号5cは液晶パネルPに対応してメインコンベヤ5上を流れるラックを示す。 The
The liquid crystal panel P is conveyed, for example, in the
第一搬送装置8は、例えば吸着によって保持した液晶パネルPを第一サブコンベヤ6の第一始発位置6a(図5の左端部)へ水平状態のまま搬送し、当該位置で前記吸着を解除して液晶パネルPを第一サブコンベヤ6に受け渡す。 The
The
第二搬送装置12は、液晶パネルPを保持して垂直方向及び水平方向で自在に搬送する。第二搬送装置12は、例えば吸着によって保持した液晶パネルPを第一ロータリインデックス11の第一ロータリ始発位置11aへ水平状態のまま搬送し、当該位置で前記吸着を解除して液晶パネルPを第一ロータリインデックス11に受け渡す。 The
The
第一ロータリインデックス11は、フィルム剥離位置11eから右回りに45°回転した位置(図5の右端位置)を第二貼合位置11dとする。この第二貼合位置11dにて、第二貼合装置15によるバックライト側の第二光学部材F12の貼合がなされる。 The 1st
The 1st
第三搬送装置17は、液晶パネルPを保持して垂直方向及び水平方向で自在に搬送する。第三搬送装置17は、例えば吸着によって保持した液晶パネルPを第二ロータリインデックス16の第二ロータリ始発位置16aへ搬送すると共に、この搬送時に液晶パネルPの表裏を反転し、第二ロータリ始発位置16aで前記吸着を解除して液晶パネルPを第二ロータリインデックス16に受け渡す。 The 1st
The
第一貼合装置13は、第一貼合位置11cに搬送された液晶パネルPの上面に対して、第一光学部材シートF1における所定サイズにカットした貼合シートF5のシート片(第一光学部材F11)の貼合を行う。 Hereinafter, the detail of the
The
貼合ヘッド32は、セパレータ剥離位置31e及び第一貼合位置11cの上方で所定量昇降可能であり、かつセパレータ剥離位置31eと第一貼合位置11cとの間で適宜移動可能である。貼合ヘッド32は、前記昇降時及び移動時並びに前記傾動時の駆動を可能とする駆動装置33に連結される。 The
The
また、光学部材F1Xの連続的な貼合が容易になり、光学表示デバイスの生産効率を高めることができる。
また、円弧状の保持面32aの傾動により光学部材F1Xをスムーズに保持できると共に、同じく円弧状の保持面32aの傾動により光学部材F1Xを液晶パネルPに確実に貼合できる。 According to this configuration, the belt-shaped optical member sheet FX having a width corresponding to the display region P4 is cut to a predetermined length to form the optical member F1X, and the optical member F1X is held in an arc shape by tilting the
Moreover, continuous bonding of the optical member F1X becomes easy, and the production efficiency of the optical display device can be increased.
Further, the optical member F1X can be smoothly held by the tilt of the arc-shaped
次に、本発明に係る第二実施形態について図7を参照して説明する。
この実施形態のフィルム貼合システム101は、第一実施形態に対して、大型のロータリインデックス111上に液晶パネルPを二つずつ搬送し、これら二つの液晶パネルPに同時に貼合工程を施す点で特に異なる。その他の、第一実施形態と同一構成には同一符号を付して詳細説明は省略する。 <Second embodiment>
Next, a second embodiment according to the present invention will be described with reference to FIG.
The
次に、本発明に係る第三実施形態について図8を参照して説明する。
この実施形態のフィルム貼合システム201は、第一実施形態に対して、各貼合装置13,15,18及びフィルム剥離装置14毎にロータリインデックス211~214を備え、各ロータリインデックス211~214上に液晶パネルPを二つずつ搬送し、これら二つの液晶パネルPに同時に貼合工程を施す点で特に異なる。その他の、第一実施形態と同一構成には同一符号を付して詳細説明は省略する。 <Third embodiment>
Next, a third embodiment according to the present invention will be described with reference to FIG.
The
そして、上記実施形態における構成は本発明の一例であり、はもちろん、部品構成や構造、形状、大きさ、数及び配置等を含め、当該発明の要旨を逸脱しない範囲で種々の変更が可能である。 In addition, 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 | seat F5 by one of the
The configuration in the above embodiment is an example of the present invention, and of course, various modifications can be made without departing from the spirit of the invention, including the component configuration, structure, shape, size, number, arrangement, and the like. is there.
図9は第四実施形態のフィルム貼合システム1Aの概略構成図である。 [Fourth embodiment]
FIG. 9 is a schematic configuration diagram of a
第一基板P1および第二基板P2は液晶パネルPの表示領域P4の外形寸法に合わせて切り出されるが、第一基板P1および第二基板P2を切り出す際に若干の寸法誤差を生じる。そのため、本実施形態では、液晶パネルPの外形寸法を予め測定し、その測定結果に基づいて、光学部材シートFXから切り出される光学部材F1Xの大きさを調整する。 The
The first substrate P1 and the second substrate P2 are cut out in accordance with the outer dimensions of the display area P4 of the liquid crystal panel P, but a slight dimensional error occurs when the first substrate P1 and the second substrate P2 are cut out. Therefore, in this embodiment, the external dimension of the liquid crystal panel P is measured in advance, and the size of the optical member F1X cut out from the optical member sheet FX is adjusted based on the measurement result.
図12Aおよび12Bは、第五実施形態のフィルム貼合システムに適用される貼合装置の模式図である。
図12Aは、光学部材F1Xを貼合ヘッド60に保持した状態を示す図であり、図12Bは、光学部材F1Xを液晶パネルPに貼合した状態を示す図である。 [Fifth embodiment]
12A and 12B are schematic views of a bonding apparatus applied to the film bonding system of the fifth embodiment.
12A is a diagram illustrating a state in which the optical member F1X is held by the
上記実施形態では、液晶パネルPに光学部材F1Xを貼合する方法として貼合ヘッド32,60を用いる方法を説明したが、本発明はこれに限定されない。貼合ヘッド32,60を介さずに、ナイフエッジ31cでセパレータシートF3aから剥離された光学部材F1Xを貼合ロールなどで直接液晶パネルPに貼合する方法を用いてもよい。 [Other forms]
In the said embodiment, although the method using the bonding heads 32 and 60 was demonstrated as a method of bonding optical member F1X to liquid crystal panel P, this invention is not limited to this. A method of directly bonding the optical member F1X peeled from the separator sheet F3a with the
11 第一ロータリインデックス(第一回転テーブル)
11a 第一ロータリ始発位置(搬入位置)
11b 第一ロータリ終着位置(搬出位置)
11c 第一貼合位置(貼合位置)
11d 第二貼合位置(貼合位置)
16 第二ロータリインデックス(第二回転テーブル)
16a 第二ロータリ始発位置(搬入位置)
16b 第二ロータリ終着位置(搬出位置)
16c 第三貼合位置(貼合位置)
13 第一貼合装置(貼合装置)
15 第二貼合装置(貼合装置)
18 第三貼合装置(貼合装置)
25 制御装置
31 シート搬送装置
31a 巻き出し部
31b 切断装置(カット部)
31c ナイフエッジ(剥離部)
31e セパレータ剥離位置(剥離位置)
32 貼合ヘッド
32a 保持面
33 駆動装置
60 貼合ヘッド
60a 保持面
111 ロータリインデックス(回転テーブル)
111a ロータリ始発位置(搬入位置)
111b ロータリ終着位置(搬出位置)
111c 第一貼合位置(貼合位置)
111d 第二貼合位置(貼合位置)
111e 第三貼合位置(貼合位置)
211 第一ロータリインデックス(回転テーブル)
211a 第一ロータリ始発位置(搬入位置)
211b 第一ロータリ終着位置(搬出位置)
211c 第一貼合位置(貼合位置)
212 第二ロータリインデックス(回転テーブル)
212a 第二ロータリ始発位置(搬入位置)
212b 第二ロータリ終着位置(搬出位置)
212c フィルム剥離位置
213 第三ロータリインデックス(回転テーブル)
213a 第三ロータリ始発位置(搬入位置)
213b 第三ロータリ終着位置(搬出位置)
213c 第二貼合位置(貼合位置)
214 第四ロータリインデックス(回転テーブル)
214a 第四ロータリ始発位置(搬入位置)
214b 第四ロータリ終着位置(搬出位置)
214c 第三貼合位置(貼合位置)
P 液晶パネル(光学表示部品)
P4 表示領域
F1 第一光学部材シート(光学部材シート)
F2 第二光学部材シート(光学部材シート)
F3 第三光学部材シート(光学部材シート)
FX 光学部材シート
F3a セパレータシート
F11 第一光学部材(光学部材)
F12 第二光学部材(光学部材)
F13 第三光学部材(光学部材)
F1X 光学部材
R1 原反ロール 1,101,201,1A Film bonding system (Optical display device production system)
11 First rotary index (first rotary table)
11a First rotary first departure position (loading position)
11b First rotary final position (unloading position)
11c 1st bonding position (bonding position)
11d 2nd bonding position (bonding position)
16 Second rotary index (second rotary table)
16a Second rotary first departure position (loading position)
16b Second rotary final position (unloading position)
16c 3rd bonding position (bonding position)
13 First bonding device (bonding device)
15 Second bonding device (bonding device)
18 Third bonding device (bonding device)
25
31c Knife edge (peeling part)
31e Separator peeling position (peeling position)
32
111a Rotary first departure position (loading position)
111b Rotary final position (unloading position)
111c 1st bonding position (bonding position)
111d 2nd bonding position (bonding position)
111e 3rd bonding position (bonding position)
211 First rotary index (rotary table)
211a First rotary first departure position (loading position)
211b First rotary final position (unloading position)
211c 1st bonding position (bonding position)
212 Second rotary index (rotary table)
212a Second rotary first departure position (loading position)
212b Second rotary final position (unloading position)
212c
213a Third rotary first departure position (loading position)
213b Third rotary final position (unloading position)
213c 2nd bonding position (bonding position)
214 4th rotary index (rotary table)
214a Fourth rotary first departure position (loading position)
214b Fourth rotary final position (unloading position)
214c 3rd bonding position (bonding position)
P Liquid crystal panel (optical display component)
P4 display area F1 first optical member sheet (optical member sheet)
F2 Second optical member sheet (optical member sheet)
F3 Third optical member sheet (optical member sheet)
FX optical member sheet F3a separator sheet F11 first optical member (optical member)
F12 Second optical member (optical member)
F13 Third optical member (optical member)
F1X Optical member R1 Original roll
Claims (13)
- 光学表示部品に光学部材を貼合する光学表示デバイスの生産システムであって、
ライン上を搬送される複数の前記光学表示部品に対し、前記光学表示部品の表示領域の幅に対応する幅を有する帯状の光学部材シートを原反ロールから巻き出しつつ、前記光学部材シートを前記表示領域の搬送方向における長さに対応する長さでカットして前記光学部材とした後、前記光学部材を前記光学表示部品に貼り合わせる貼合装置を備え、
前記貼合装置は、
前記光学部材シートを前記原反ロールからセパレータシートと共に巻き出す巻き出し部と;
前記光学部材シートを前記セパレータシートを残してカットして前記光学部材とするカット部と;
前記光学部材を前記セパレータシートから剥離させる剥離部と;
前記光学部材を円弧状の保持面に貼り付けて保持すると共に、前記保持面に保持した前記光学部材を前記光学表示部品に貼合するように、前記保持面の湾曲に沿うように傾動する貼合ヘッドと;
前記貼合ヘッドを、前記光学部材の前記セパレータシートからの剥離位置と前記光学部材の前記光学表示部品への貼合位置との間で移動させると共に、前記傾動による前記光学部材の保持及び貼合を実施するように前記貼合ヘッドを駆動させる駆動装置と;
を有することを特徴とする光学表示デバイスの生産システム。 An optical display device production system for bonding an optical member to an optical display component,
With respect to the plurality of optical display components conveyed on a line, the optical member sheet is unwound from a raw roll while unrolling a belt-shaped optical member sheet having a width corresponding to the width of the display area of the optical display component. After cutting the length corresponding to the length in the transport direction of the display area and making the optical member, it comprises a bonding device that bonds the optical member to the optical display component,
The bonding device is
An unwinding section for unwinding the optical member sheet together with the separator sheet from the raw roll;
A cut portion that cuts the optical member sheet leaving the separator sheet to form the optical member;
A peeling portion for peeling the optical member from the separator sheet;
The optical member is affixed to an arc-shaped holding surface and held, and the optical member held on the holding surface is tilted so as to follow the curvature of the holding surface so as to be bonded to the optical display component. Joint head;
While moving the said bonding head between the peeling position from the said separator sheet of the said optical member, and the bonding position to the said optical display component of the said optical member, holding | maintenance and bonding of the said optical member by the said tilting A driving device for driving the laminating head to perform
An optical display device production system comprising: - 前記剥離部が、前記光学部材を前記光学表示部品との貼合面を下向きにして前記セパレータシートから剥離させ、
前記貼合ヘッドが、前記貼合面と反対側の上面を前記保持面に貼り付けて保持し、前記貼合面を下向きにした状態で、前記剥離位置と前記貼合位置との間を移動する
ことを特徴とする請求項1に記載の光学表示デバイスの生産システム。 The peeling portion peels the optical member from the separator sheet with the bonding surface with the optical display component facing down,
The pasting head moves between the peeling position and the pasting position in a state where the upper surface opposite to the pasting surface is pasted and held on the holding surface, and the pasting surface is directed downward. The system for producing an optical display device according to claim 1. - 前記貼合ヘッドが、前記保持面に保持した前記光学部材を、水平方向でヘッド移動方向及びその直交方向並びに回転方向でアライメントすることを特徴とする請求項1に記載の光学表示デバイスの生産システム。 2. The optical display device production system according to claim 1, wherein the bonding head aligns the optical member held on the holding surface in a horizontal direction in a head movement direction, a direction orthogonal thereto, and a rotation direction. .
- 前記貼合装置が、前記光学部材シートに印された欠点マークを検出する検出部を有し、前記欠点マークを検出した部位を前記貼合ヘッドに保持して破棄位置に搬送することを特徴とする請求項1に記載の光学表示デバイスの生産システム。 The bonding apparatus has a detection unit that detects a defect mark marked on the optical member sheet, and holds the portion where the defect mark is detected in the bonding head and conveys it to a discarding position. An optical display device production system according to claim 1.
- 前記光学表示部品を搬入位置、前記貼合位置及び搬出位置に移動させる回転テーブルを備えることを特徴とする請求項1に記載の光学表示デバイスの生産システム。 The optical display device production system according to claim 1, further comprising a rotary table that moves the optical display component to a loading position, a bonding position, and a carrying position.
- 前記回転テーブルが、前記光学表示部品の表裏一側面への前記光学部材の貼合に対応する第一回転テーブルと、前記光学表示部品の表裏他側面への前記光学部材の貼合に対応する第二回転テーブルとであることを特徴とする請求項5に記載の光学表示デバイスの生産システム。 The rotation table corresponds to the first rotation table corresponding to the bonding of the optical member to the front and back side surfaces of the optical display component, and the first rotation table corresponding to the bonding of the optical member to the other side surfaces of the optical display component. 6. The optical display device production system according to claim 5, wherein the optical display device is a two-turn table.
- 前記回転テーブルが、前記光学表示部品の表裏両側面への前記光学部材の貼合に対応して単一に設けられることを特徴とする請求項5に記載の光学表示デバイスの生産システム。 6. The optical display device production system according to claim 5, wherein the rotary table is provided in a single unit corresponding to the bonding of the optical member to the front and back side surfaces of the optical display component.
- 前記回転テーブルが、前記光学表示部品に貼合する複数の前記光学部材のそれぞれに対応して複数設けられることを特徴とする請求項5に記載の光学表示デバイスの生産システム。 6. The optical display device production system according to claim 5, wherein a plurality of the rotary tables are provided corresponding to the plurality of optical members to be bonded to the optical display component.
- 前記回転テーブルの周囲に、複数の前記光学表示部品への前記光学部材の貼合を同時に行うように、一種の光学部材毎に複数の前記貼合装置が設けられることを特徴とする請求項7に記載の光学表示デバイスの生産システム。 The plurality of bonding devices are provided for each kind of optical member so as to simultaneously bond the optical member to the plurality of optical display components around the rotary table. The production system of the optical display device described in 1.
- 光学表示部品に光学部材を貼合する光学表示デバイスの生産方法であって、
ライン上を搬送される複数の前記光学表示部品に対し、前記光学表示部品の表示領域の幅に対応する幅を有する帯状の光学部材シートを原反ロールから巻き出しつつ、前記光学部材シートを前記表示領域の搬送方向における長さに対応する長さでカットして前記光学部材とした後、前記光学部材を前記光学表示部品に貼り合わせる貼合工程を含み、
前記貼合工程は、
前記光学部材シートを前記原反ロールからセパレータシートと共に巻き出す巻き出し工程と;
前記光学部材シートを前記セパレータシートを残してカットして前記光学部材とするカット工程と;
前記光学部材を前記セパレータシートから剥離させる剥離工程と;
前記光学部材を貼合ヘッドにおける円弧状の保持面に貼り付けて保持すると共に、前記保持面に保持した前記光学部材を前記光学表示部品に貼合するように、前記保持面の湾曲に沿うように前記貼合ヘッドを傾動させる傾動工程と;
前記貼合ヘッドを、前記光学部材の前記セパレータシートからの剥離位置と前記光学部材の前記光学表示部品への貼合位置との間で移動させると共に、前記傾動による前記光学部材の保持及び貼合を実施するように前記貼合ヘッドを駆動させる駆動工程と;
を含むことを特徴とする光学表示デバイスの生産方法。 An optical display device production method for bonding an optical member to an optical display component,
With respect to the plurality of optical display components conveyed on a line, the optical member sheet is unwound from a raw roll while unrolling a belt-shaped optical member sheet having a width corresponding to the width of the display area of the optical display component. After cutting with a length corresponding to the length in the transport direction of the display area to make the optical member, including a bonding step of bonding the optical member to the optical display component,
The bonding step is
An unwinding step of unwinding the optical member sheet from the raw roll together with a separator sheet;
A cutting step of cutting the optical member sheet leaving the separator sheet to form the optical member;
A peeling step of peeling the optical member from the separator sheet;
The optical member is attached to and held on the arc-shaped holding surface of the bonding head, and the optical member held on the holding surface is along the curve of the holding surface so as to be bonded to the optical display component. A tilting step of tilting the bonding head;
While moving the said bonding head between the peeling position from the said separator sheet of the said optical member, and the bonding position to the said optical display component of the said optical member, holding | maintenance and bonding of the said optical member by the said tilting A driving step of driving the laminating head so as to carry out;
A method for producing an optical display device, comprising: - 光学表示部品に光学部材を貼合する光学表示デバイスの生産システムであって、
帯状の光学部材シートを原反ロールから巻き出しつつ、前記光学部材シートを搬送方向において所定の長さでカットして前記光学部材とした後、前記光学部材を前記光学表示部品に貼り合わせる貼合装置と;
前記光学表示部品の外形寸法を測定する測定装置と;
前記外形寸法の測定結果に基づいて、前記貼合装置における前記光学部材シートのカット位置を決定する制御装置と;
を備えている光学表示デバイスの生産システム。 An optical display device production system for bonding an optical member to an optical display component,
Pasting the optical member to the optical display component after cutting the optical member sheet to a predetermined length in the transport direction while unwinding the belt-shaped optical member sheet from the raw roll. With the device;
A measuring device for measuring the external dimensions of the optical display component;
A control device that determines a cut position of the optical member sheet in the bonding device based on the measurement result of the outer dimensions;
Optical display device production system equipped with. - 前記貼合装置は、
前記光学部材シートを前記原反ロールからセパレータシートと共に巻き出す巻き出し部と;
前記光学部材シートを前記セパレータシートを残してカットして前記光学部材とするカット部と;
前記光学部材を前記セパレータシートから剥離させる剥離部と;
前記光学部材を保持面に貼り付けて保持すると共に、前記保持面に保持した前記光学部材を前記光学表示部品に貼合する貼合ヘッドと;
を有する請求項11に記載の光学表示デバイスの生産システム。 The bonding device is
An unwinding section for unwinding the optical member sheet together with the separator sheet from the raw roll;
A cut portion that cuts the optical member sheet leaving the separator sheet to form the optical member;
A peeling portion for peeling the optical member from the separator sheet;
A bonding head for bonding and holding the optical member on a holding surface, and bonding the optical member held on the holding surface to the optical display component;
An optical display device production system according to claim 11. - 前記貼合装置として、前記光学表示部品の表裏一方の面側の貼合を行う第一貼合装置と、前記光学表示部品の表裏他方の面側の貼合を行う第二貼合装置と、を有し、
前記第一貼合装置における前記光学部材シートの前記カット部と、前記第二貼合装置における前記光学部材シートの前記カット部は、いずれもレーザーカッターであり、
前記第一貼合装置の前記カット部と前記第二貼合装置の前記カット部は、同一のレーザー出力装置に接続されており、
前記レーザー出力装置から出力されたレーザーが前記第一貼合装置の前記カット部および前記第二貼合装置の前記カット部に分岐されて供給される
請求項11に記載の光学表示デバイスの生産システム。 As said bonding apparatus, the 1st bonding apparatus which bonds the front and back one surface side of the said optical display component, The 2nd bonding apparatus which bonds the front and back other surface side of the said optical display component, Have
Both the cut part of the optical member sheet in the first bonding apparatus and the cut part of the optical member sheet in the second bonding apparatus are laser cutters,
The cut part of the first bonding device and the cut part of the second bonding device are connected to the same laser output device,
The production system of the optical display device according to claim 11, wherein the laser output from the laser output device is branched and supplied to the cut portion of the first bonding device and the cut portion of the second bonding device. .
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KR20140128325A (en) | 2014-11-05 |
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