KR101169902B1 - Recovery device, laminating system and recovery method - Google Patents

Abstract

This collection | recovery apparatus is a conveyance part which winds at least the said separator to the front-end | tip of a knife edge among the sheet pieces in which the optical member and the separator which protects the said optical member were laminated | stacked separately; A judging section for judging whether the optical member of the sheet piece conveyed to the tip end of the knife edge is a good optical member having no defect or a defective optical member including the defect; A jig which, when the determination unit determines that the optical member is the defective optical member, is moved to a position facing the distal end of the knife edge and pushes the defective optical member toward the separator; And a recovery part for recovering the sheet piece including the defective optical member transferred through the tip end of the knife edge.

Description

Recovery device, bonding system and recovery method {RECOVERY DEVICE, LAMINATING SYSTEM AND RECOVERY METHOD}

The present invention relates to a recovery apparatus, a joining system, and a recovery method.

This application claims priority based on patent application 2011-037060 for which it applied to Japan on February 23, 2011, and patent application 2011-088166 which was filed in Japan on April 12, 2011, The content here Use it.

Conventionally, as a device used for manufacture of a liquid crystal display device, etc., the collection | recovery apparatus which removes the part containing the fault of a polarizing plate is known (for example, refer patent document 1). The recovery apparatus of patent document 1 conveys a long polarizing plate protected by the separator in the longitudinal direction, inspects the fault of a polarizing plate during conveyance, and removes the detected fault. In detail, the said collection | recovery apparatus cut | disconnects (half cut) the polarizing plate containing a fault, leaving a separator in the thickness direction of a polarizing plate based on a test result. Moreover, the said collection apparatus transfers the cut polarizing plate to the film for removal separate from a separator, and collect | recovers (removes) a fault with the film for removal.

[Patent Document 1] Japanese Patent Application Laid-Open No. 57-52017

Since the said collection | recovery apparatus collects the removal film separate from a separator with a fault, the removal film turns into a waste material every time a fault is removed. Moreover, since the said collection | recovery apparatus requires the apparatus which collect | recovers the removal film separately from the apparatus which collect | recovers a separator, an apparatus structure may become complicated.

This invention is made | formed in view of the said problem, and an object of this invention is to provide the collection | recovery apparatus, the bonding system, and the collection method which can collect | recover effectively the optical member containing a fault.

(1) The collection | recovery apparatus which concerns on the 1st aspect of this invention winds at least the said separator at the front-end | tip of the said knife edge among the sheet pieces which have a knife edge, and the optical member and the separator which protect the said optical member are laminated | stacked. A transfer unit for transferring; A judging section for judging whether the optical member of the sheet piece conveyed to the tip end of the knife edge is a good optical member having no defect or a defective optical member including the defect; A jig which, when the determination unit determines that the optical member is the defective optical member, is moved to a position facing the distal end of the knife edge and pushes the defective optical member toward the separator; And a recovery part for recovering the sheet piece including the defective optical member transferred through the tip end of the knife edge.

(2) The recovery device of (1), wherein the jig has a concave portion bent along the tip end of the knife edge; The sheet piece may be sandwiched between the recessed portion and the tip end portion of the knife edge.

(3) The recovery device of (1) or (2) may further include a pressing member for pushing the sheet piece wound around the tip end portion of the knife edge toward the knife edge.

(4) As for the recovery apparatus of said (3), the relative position with respect to the jig of the said pressing member may be fixed.

(5) A bonding system according to a second aspect of the present invention includes the recovery device of (1) or (2) above; When the said determination part determines that the said optical member is the said excellent goods optical member, it is equipped with the some bonding roller which joins the said optical member isolate | separated from the said separator to the bonding object after only the said separator is wound by the said knife edge.

(6) The bonding system of (5) has a first moving mechanism for moving the bonding roller to a position deviated from the movement path of the jig when the jig is moved to a position facing the tip end of the knife edge. You may provide it.

(7) The joining system of (5) may further include a second moving mechanism for moving the jig to a position facing the tip end of the knife edge.

(8) The bonding system of (7), wherein the recovery device has a pressing member for pushing the sheet piece wound around the tip end of the knife edge toward the tip end of the knife edge; The pressing member may be moved by the second moving mechanism.

(9) In the joining system of (8), the relative position of the pressing member with respect to the jig may be fixed.

(10) The bonding system of (5) may further include a detection device that detects the defect of the optical member.

(11) The bonding system of said (5) may further include the cutting device which cut | disconnects the said optical member along the thickness direction, and forms the said sheet piece.

(12) The recovery method according to the third aspect of the present invention is whether the optical member of the sheet piece in which the optical member and the separator protecting the optical member are laminated in a separable manner is a high-quality optical member containing no defects, or Determining whether the defective optical member includes a defect; Winding at least the separator of the sheet piece to a tip portion of a knife edge; When the optical member of the sheet piece is determined to be the defective optical member, pushing the defective optical member toward the separator at the distal end of the knife edge; And recovering the sheet piece including the defective optical member transferred through the tip end portion of the knife edge.

According to said collection | recovery apparatus of said (1), it determines with a judgment part whether an optical member is a quality goods optical member or a defective goods optical member. And when an optical member is a quality goods, only the separator of a sheet piece is wound up to the front-end | tip part of a knife edge by a conveyance part. On the other hand, when an optical member is a defective article, a sheet piece is wound up to the front-end | tip part of a knife edge by a conveyance part. In this case, since the jig moves to a position facing the tip of the knife edge, the defective optical member is pushed so as not to peel off from the separator at the tip of the knife edge. And the sheet piece containing the defective optical member is collect | recovered by a collection part.

Thereby, it becomes possible to collect | recover effectively the optical member containing a fault. In addition, since the defective optical member and the separator can be recovered at the same time by the recovery unit, it becomes possible to provide a recovery device having a simple and easy configuration.

According to the collection | recovery apparatus of said (2), since a jig has a recessed part, a sheet piece is clamped between a recessed part and the front-end | tip part of a knife edge. Thereby, since a defective optical member can be pushed toward a separator, it becomes possible to prevent peeling of a defective optical member from a separator more effectively.

According to the collection | recovery apparatus of said (3), a sheet piece is pinched | interposed into a press member and a knife edge by pushing a sheet piece. Thereby, since the defective optical member is pushed toward the separator, the defective optical member and the separator can be recovered at the same time efficiently.

According to the recovery device of (4), it is possible to reliably prevent the pressing member from contacting the jig.

According to the bonding system of (5), the defective optical member is collected by the collecting device, and the superior optical member is bonded to the bonding object by the bonding roller. Therefore, by providing a collection | recovery apparatus and a bonding roller, it becomes possible to classify a defective optical member and a superior optical member efficiently.

According to the bonding system of (6) above, when the jig moves to a position facing the distal end of the knife edge, the bonding roller can be moved by the first moving mechanism so that the bonding roller does not interfere with the jig.

According to the joining system of (7), when the jig moves to a position facing the tip of the knife edge, the jig can be moved by the second moving mechanism so that the jig does not interfere with the joining roller.

According to the bonding system of (8) above, the pressing piece pushes the sheet piece so that the sheet piece is sandwiched between the pressing member and the knife edge. Thereby, since the defective optical member is pushed toward the separator, the defective optical member and the separator can be recovered at the same time efficiently. Moreover, it becomes possible to move a press member with a jig by a 2nd moving mechanism so that a press member may not interfere with a bonding roller.

According to the joining system of (9), it is possible to reliably prevent the pressing member from contacting the jig.

According to the bonding system of (10), since the detection device is provided, it is possible to reliably classify whether the optical member is a good optical member or a defective optical member.

According to the bonding system of (11), since the sheet piece is cut in the thickness direction by the cutting device, only the superior optical member can be efficiently bonded to the bonding object.

According to the said collection method of (12), it is possible to collect | recover effectively by pushing the defective optical member containing a fault toward a separator.

BRIEF DESCRIPTION OF THE DRAWINGS It is a figure which shows schematic structure of the bonding system which concerns on one Embodiment of this invention.
It is a top view which shows the liquid crystal panel which is an example of a bonding object.
3 is a cross-sectional view showing an example of an optical sheet.
4 is a view showing the operation of the cutting device of the present embodiment.
5 is a view showing the operation of the cutting device of the present embodiment.
It is a figure which shows the bonding apparatus and recovery apparatus in the bonding process of this embodiment.
It is a figure which shows the bonding apparatus and collection | recovery apparatus in the fault collection | recovery process of this embodiment.
8 is a diagram illustrating a processing flow of the recovery method of the present embodiment.
9 is a diagram showing a processing flow when switching the bonding processing and the defect recovery processing in the present embodiment.
It is a figure which shows the modified example of the collection | recovery apparatus of this embodiment.
It is a figure which shows the 2nd modified example of the collection | recovery apparatus of this embodiment.

EMBODIMENT OF THE INVENTION Hereinafter, although one Embodiment of this invention is described referring drawings, this invention is not limited to the following embodiment.

BRIEF DESCRIPTION OF THE DRAWINGS It is a figure which shows schematic structure of the bonding system of this embodiment. The bonding system 1 shown in FIG. 1 is equipped with the collection | recovery apparatus 2 of this embodiment. The bonding system 1 can bond optical members, such as a polarizing plate, an antireflection film, and a light-diffusion film, to bonding objects, such as a liquid crystal panel and an organic EL panel, in bonding area | region A1, for example. Thereby, the bonding system 1 can manufacture the device containing a bonding object and an optical member. The bonding system 1 may be part or all of the manufacturing system for manufacturing the device.

The collection | recovery apparatus 2 of this embodiment removes the optical member F13 of the part containing a fault from the optical sheet F containing the optical member F1 from the path | route to the bonding area | region A1, and collect | recovers it. Can be. That is, the bonding system 1 can bond the optical member F10 which does not contain a fault to the bonding object. Prior to the detailed description of the bonding system 1, a structural example of the optical sheet and a structural example of the liquid crystal panel will first be described.

2 is a plan view showing a structural example of a liquid crystal panel. 2 shows a liquid crystal panel viewed in plan in the thickness direction of the liquid crystal layer. Liquid crystal panel P shown in FIG. 2 has the 1st board | substrate P1, the 2nd board | substrate P2 arrange | positioned facing the 1st board | substrate P1, the 1st board | substrate P1, and the 2nd board | substrate P2. Liquid crystal layer P3 enclosed in between is provided. The range where the liquid crystal panel P enters into the outer circumferential inner side of the liquid crystal layer P3 viewed in a plane is the display region P4.

3 is a cross-sectional view showing a configuration example of an optical sheet. The optical sheet F of this example is a long strip | belt-shaped, and the cross section orthogonal to the longitudinal direction of the optical sheet F is shown in FIG. In the following description, the longitudinal direction of the optical sheet is referred to simply as the longitudinal direction.

The optical sheet F shown in FIG. 3 is an optical member F1 via the optical member F1 of a film form, the adhesion layer F2 provided in one side of the optical member F1, and the adhesion layer F2. ) And a separator (F3), which are separated from each other, and a surface protection film (F4) provided on the other side of the optical member (F1).

The optical member F1 of the optical sheet F of this example functions as a polarizing plate, and is bonded to liquid crystal panel P over the whole region of the display area P4 of liquid crystal panel P, and its peripheral area. .

Optical member F1 carries out adhesion layer F2 to the bonding object in the state in which separator F3 was isolate | separated from adhesion layer F2, leaving adhesion layer F2 on the surface of optical member F1. Are bonded. Separator F3 protects adhesion layer F2 and optical member F1 until it isolate | separates from adhesion layer F2. Surface protection film F4 is bonded by the bonding object with optical member F1, and is arrange | positioned with respect to the optical member F1 on the opposite side to a bonding object. The surface protection film F4 of this example is isolate | separated from the optical member F1 at the timing selected suitably. Surface protection film F4 protects optical member F1 until it isolate | separates from optical member F1.

As described above, the optical member F1 may not include the surface protective film F4, the optical member F1 may include the surface protective film F4, and the optical sheet F may include the surface protective film ( It is not necessary to include F4). In addition, surface protection film F4 does not need to be isolate | separated from optical member F1. In the following description, the part remove | excluding separator F3 from the optical sheet F is called bonding sheet | seat F5.

The optical member F1 is a polarizer F6, a first film F7 bonded to one side of the polarizer F6 with an adhesive or the like, and a second film bonded to the other side of the polarizer F6 with an adhesive or the like ( F8). The 1st film F7 and the 2nd film F8 are protective films which protect a polarizer, for example. As a specific example of this protective film, a triacetyl cellulose film, PET film, etc. are mentioned.

The optical member F1 may be a single layer structure composed of one optical layer, or may be a laminated structure in which a plurality of optical layers are stacked on each other. In addition to the said polarizer F6, an optical layer may be a retardation film, a brightness improving film, etc. At least one of the 1st film F7 and the 2nd film F8 has the surface which can acquire effects, such as an anti-glare including a hard-coating process and an anti-fingerprint process which protects the outermost surface of a liquid crystal display element. Processing may be performed. Moreover, at least one of the 1st film F7 and the 2nd film F8 does not need to be provided. For example, the optical sheet F may be the structure in which the 1st film F7 is abbreviate | omitted and separator F3 is bonded to one side surface of the optical member F1 via the adhesion layer F2.

Next, the bonding system 1 of this embodiment is demonstrated in detail.

The bonding system 1 shown in FIG. 1 detects the fault of the optical member F1, conveying the optical sheet F, and cuts the optical sheet F half-cut to the several position of a longitudinal direction. Line), and the some sheet piece F10, F13 divided by the cut line in the longitudinal direction can be formed.

The bonding system 1 is each liquid crystal panel P conveyed from the upstream of the bonding sheet | seat of the quality goods sheet piece F10 in which the optical member F1 does not contain a fault, and a liquid crystal display element among several sheet pieces. ) Can be bonded in the bonding region A1. The bonding system 1 can collect | recover the defective article piece F13 in which the optical member F1 contains a fault among several sheet pieces, without bonding to liquid crystal panel P. FIG.

In this embodiment, liquid crystal panel P is bonded to optical member F1 conveyed in parallel with liquid crystal panel P, conveying in the direction parallel to the long side of display area P4. The dimension of the width direction orthogonal to the longitudinal direction of the optical sheet F is the direction parallel to the short side of the display area P4 more than the length of the short side of the display area P4 of the liquid crystal panel P, for example. It is set to below the outer dimension of liquid crystal panel P of. The length (henceforth "unit length") of the longitudinal direction of the sheet piece joined with a liquid crystal panel is more than the dimension of the long side of the display area P4 of liquid crystal panel P, for example, of the display area P4. It is set to below the outer dimension of liquid crystal panel P of the direction parallel to a long side.

Moreover, the bonding system 1 is an aspect in which liquid crystal panel P is conveyed in the direction parallel to the short side of display area P4, and is bonded with optical member F1 conveyed in parallel with liquid crystal panel P. It may be. In this aspect, the dimension of the width direction of the optical sheet F and the said unit length are suitably changed according to the dimension of the short side, the dimension of a long side, etc. of the display area P4 of liquid crystal panel P. FIG.

The bonding system 1 is equipped with the conveying apparatus 3. This conveying apparatus 3 continues to send out the optical sheet F from the roll R by which the optical sheet F was wound, and the conveying apparatus 3 which can convey at least separator F3 among the optical sheets F in the longitudinal direction. ). The conveying apparatus 3 conveys the bonding sheet | seat F5 with separator F3 using separator F3 as a carrier. That is, the conveying apparatus 3 conveys the optical sheet F which integrated the separator F3 and the bonding sheet | seat F5.

The conveying apparatus 3 is the optical sheet supply part 4 corresponding to the viewpoint of the conveyance path | route (henceforth only a conveyance path | route) of the separator F3, and the winding machine corresponding to the end point of a conveyance path | route. (5), the some roller which forms the conveyance path of separator F3 between the optical sheet supply part 4, and the winding machine 5, and the side length measuring machine 6 provided in at least one of the some roller.器) In the following description, the upstream side and the side closer to the end point of the conveying path (winder 5) are downstream on the side closer to the starting point (optical sheet supply part 4) of the conveying path with respect to any position on the conveying path. It is called side.

The bonding system 1 of this embodiment is equipped with the some apparatus which is arrange | positioned in a conveyance path | route and performs a process with respect to the optical sheet F in conveyance. It is preferable that the bonding system 1 is equipped with the collection | recovery apparatus 2, the bonding apparatus 9, and the control apparatus 10, and is equipped with the detection apparatus 7 and the cutting device 8. .

The detection device 7 is disposed downstream of the conveyance path than the optical sheet supply part 4 to detect a defect of the optical member F1. The cutting device 8 is disposed downstream of the conveying path than the detection device 7 to perform half cut on the optical sheet F. FIG. The recovery device 2 is disposed downstream of the transport path than the cutting device 8. The bonding apparatus 9 is arrange | positioned at the bonding area | region A1. The control apparatus 10 controls each part of the bonding system 1.

The optical sheet supply part 4 of the conveying apparatus 3 is comprised by the extractor. This extractor can hold | maintain and rotate the roll R, and can continue to export the optical sheet F from the roll R to a conveyance path | route. The winder 5 collect | recovers only separator F3 substantially, when optical member F1 is isolate | separated from separator F3. The winder 5 collects separator F3 and bonding sheet | seat F5, when optical member F1 is not isolate | separated from separator F3.

The some roller of the conveying apparatus 3 forms a conveyance path | route by the separator F3 at least spreading among the optical sheets F. As shown in FIG. The some roller of the conveying apparatus 3 is comprised by the roller which changes the advancing direction of the optical sheet F in conveyance, the roller which can adjust the tension of the optical sheet F in conveyance, etc. It is.

The length measuring machine 6 is attached to the roller mentioned above, and can measure the distance (transfer distance) in which the optical sheet F was conveyed based on the rotation angle of the roller and the length of the outer periphery. The measurement result of the measuring device 6 is output to the control device 10. The control apparatus 10 is based on the measurement result of the measuring device 6, and each point of the longitudinal direction of the optical sheet F exists in some position on a conveyance path | route at the arbitrary time while the optical sheet F is conveyed. Generate sheet position information indicating whether the operation is performed.

The structure of the conveying apparatus 3 can be suitably changed so that an optical sheet can be conveyed in a predetermined conveyance path | route. In addition, the measuring device 6 may generate the sheet position information based on the measurement result, and may output the generated sheet position information to the control device 10.

The measuring device 6 does not need to generate the sheet position information, and the control device 10 does not need to generate the sheet position information.

The detection apparatus 7 can detect the fault inherent in the optical member F1 of the optical sheet F in conveyance. The detection apparatus 7 of the present embodiment performs an optical member F by performing inspection processing such as reflection inspection, transmission inspection, inclined transmission inspection, cross nicol transmission inspection and the like on the optical sheet F being conveyed. The defect of F1) can be detected.

The detection apparatus 7 is provided with the illumination part 11 which can irradiate light to the optical sheet F, and the light detection part 12 which detects the light irradiated from the illumination part 11. The light detection part 12 can detect the change by the presence or absence of the defect in the optical member F1 of the light irradiated from the illumination part 11 and passing through the optical member F1 (at least one of reflection and transmission). That is, the presence or absence of a fault is detected by the change of the light profile, the light intensity, etc. which were received by the light detection part 12. FIG. The defect of the optical member F1 is, for example, a portion in which an alien substance composed of at least one of a solid, a liquid, and a gas exists inside the optical member F1, and irregularities are formed on the surface of the optical member F1. The part where a flaw exists, the part which becomes a bright point by the distortion of the optical member F1, the deflection of a material, etc. are mentioned.

The illumination part 11 can irradiate the light in which the light intensity, wavelength, polarization state, etc. were adjusted according to the kind of test | inspection performed by the detection apparatus 7 as mentioned above. The photodetector 12 of this embodiment is comprised by imaging elements, such as CCD, and can image the optical sheet F of the part to which light is irradiated by the illumination part 11. The detection result (imaging result) of the photodetector 12 is output to the control device 10. The control apparatus 10 can analyze the image (detection result) image | photographed by the photodetector 12, and can determine the presence or absence of a fault. When the control apparatus 10 determines that a defect exists in the optical member F1, it produces | generates defect position information which shows the position on the optical sheet F of a fault with reference to the measurement result of the measuring machine 6. .

The structure of the detection apparatus 7 can be changed suitably so that the fault of the optical member F1 may be detected. For example, the detection apparatus 7 is provided with the determination part 10a which determines the presence or absence of a fault based on the detection result of the photodetector 12, and controls the determination result of the determination part 10a. May be output. The detection apparatus 7 outputs the determination result of the determination part 10a to the control apparatus 10, and the control apparatus 10 does not need to determine the presence or absence of a fault. Moreover, the code | symbol which shows the position of a fault is formed on the optical sheet, and the detection apparatus 7 may be a structure which detects the fault of an optical member by reading the code | symbol which shows the position of a fault. Before such an optical sheet is conveyed to the detection apparatus 7, for example, the presence or absence of a defect is inspected by another apparatus, and the code | symbol which shows the position of a defect is based on the inspection result by other apparatus, and an optical sheet is shown. It is formed in.

4 and 5 are diagrams showing the operation of the cutting device of the present embodiment. The cutting device 8 covers the entire width of the width direction orthogonal to the longitudinal direction of the optical sheet F, and cuts a part of the thickness direction of the optical sheet F over the width direction (sometimes called a "half cut"). )can do. The cutting device 8 of this embodiment is provided with the cutting blade 13 and the drive part 14. The cutting blade 13 is provided so that the optical member F1 can be moved forward and backward from the side opposite to the separator F3 toward the optical member F1, and the optical member F1 can be cut. The drive part 14 can move the cutting blade 13 back and forth toward the optical sheet F. As shown in FIG.

The drive part 14 cut | disconnects a cutting blade to the vicinity of the interface of adhesion layer F2 and separator F3 so that separator F3 more than the thickness in which separator F3 does not fracture | rupture by tension acting on separator F3 during conveyance may remain. (13) can be advanced. When the drive part 14 advances the cutting blade 13, the optical member F1 and the surface protection film F4 are cut | disconnected in the thickness direction of the optical sheet F, and the full width of the width direction of the optical sheet F is carried out. A piercing line L1 is formed over. Cut line L1 is formed in several position of the longitudinal direction of the optical sheet F. FIG. The optical sheet F is partitioned in the longitudinal direction by the plurality of cut lines L1, and each of the partitions fitted to a pair of cut lines L1 adjacent to each other in the length direction becomes one sheet piece.

In addition, the structure of the cutting device 8 can be suitably changed so that the dimension (depth) of the cut line L1 of the thickness direction of the optical sheet F, and the position of the cut line L1 of the longitudinal direction can be controlled. The cutting device 8 includes, for example, an annular cutter and a driving portion, and the optical sheet (by moving the cross section of the optical sheet F in contact with the optical sheet F by moving the cutter in the width direction of the optical sheet F). The structure which half-cuts to F) may be sufficient. The said ring cutter is a disk shape, for example, and is a structure in which the blade was provided along the outer periphery. The said drive part may be moved to the width direction of the optical sheet F, without rotating a circular ring cutter, and may be made to move, rotating. The cutting device 8 may include a plurality of ring cutters, one or more of the plurality of ring cutters may rotate while moving, and the other ring cutters may move without rotating.

The control device 10 refers to the above-mentioned defect position information, and corresponds to the unit length in the longitudinal direction of the optical member F1 from the first cut line L1 formed by the cutting device 8 (hereinafter, 'Next'). Sheet piece section "), it is determined whether the defect of the optical member F1 exists. The control apparatus 10 determines the position of the cut line L1 to form next, according to whether a defect exists in the next sheet piece section, and sets the formation position on the optical sheet F of the cut line L1. Generate cut line position information indicating.

As shown in FIG. 4, when the control apparatus 10 determines that a fault does not exist in a next sheet piece section, it is called the cut line (formerly, "1st cut line L1") formed in the last time. ) The formation position of the second cut line L2 so that the distance on the optical sheet F from the cut line formed next (hereinafter, referred to as "second cut line L2") becomes the unit length. Decide That is, when the optical sheet F is conveyed by the unit length from the position where the first cut line L1 is formed, the control device 10 causes the cutting device 8 to form the second cut line L2 at this timing. The drive unit 14 is controlled.

The optical sheet F in the section from the first piercing line L1 to the second piercing line L2 includes a separator F3 and a superior product including the optical member F1 (excellent article optical member) that does not include defects. It becomes quality goods sheet piece F10 which has bonding sheet | seat F9.

When the control apparatus 10 determines that the fault F11 of the optical member F1 exists in the next sheet piece section, it cuts in the upstream side of a conveyance path rather than the fault F11 (henceforth a "third pier line ( L3) 'is formed. The control apparatus 10 controls the drive part 14 so that the cutting device 8 may form the 3rd cut line L3 on the upstream side of a conveyance path | route rather than the fault F11.

As shown in FIG. 5, the optical sheet F in the section from the first cut line L1 to the third cut line L3 includes the separator F3 and the optical member F1 including the defect F11. It becomes the defective sheet piece F13 which has the defective bonding sheet | seat F12 containing (defective optical member).

As shown in FIG. 1, the bonding system 1 of this embodiment is equipped with the panel conveying apparatus 15 which can convey liquid crystal panel P which bonds with the quality goods bonding sheet | seat F9 to the bonding area | region A1. . The panel conveying apparatus 15 is provided with the holding | maintenance part 16, the panel moving part 17, and the conveyor 18. As shown in FIG.

The holding unit 16 may hold the liquid crystal panel P. FIG. The panel moving part 17 can move the panel holding part 16 from the carrying-in area | region into which the liquid crystal panel P is carried to the bonding system 1 from the bonding area | region A1. The conveyor 18 can send liquid crystal panel P to a predetermined direction in the bonding area | region A1.

In this embodiment, the operation timing etc. of the each part of the panel conveyance apparatus 15 are controlled by the control apparatus 10. FIG.

The panel holding part 16 is controlled by the control apparatus 10, and detachably holds the liquid crystal panel P conveyed from the upstream of the manufacturing line of a liquid crystal display element to a carry-in area | region by a conveyor etc. by vacuum suction etc. . The panel moving part 17 can move the panel holding part 16 in the vertical direction and the horizontal direction with respect to the conveyor 18. The panel moving part 17 moves the panel holding part 16 from the carry-in area | region to the bonding area | region A1 in the state which liquid crystal panel P is hold | maintained in the panel holding part 16, and substantially the liquid crystal panel ( P) can be moved to the junction region A1.

The panel holding | maintenance part 16 is controlled by the control apparatus 10, and releases adsorption of liquid crystal panel P in the bonding area | region A1, and can transfer liquid crystal panel P to the conveyor 18. As shown in FIG. The conveyor 18 bonds the liquid crystal panel P carried to the bonding area | region A1, and the liquid-crystal panel P conveyed to the bonding area | region A1, and the quality goods bonding sheet | seat F9 bonded together so that a position may mutually match. Liquid crystal panel P can be supplied to (9). In the panel moving part 17 and the conveyor 18, liquid crystal panel P arrives at the bonding area | region A1 at the timing which the quality goods piece F10 formed by the cutting device 8 is conveyed to the bonding area | region A1. Controlled by the control device 10 so as to be controlled.

It is a figure which shows the collection | recovery apparatus and the bonding apparatus in the bonding process of this embodiment. It is a figure which shows the collection | recovery apparatus and the bonding apparatus during the fault collection | recovery process of this embodiment.

As shown in FIG. 6, the collection | recovery apparatus 2 of this embodiment can perform the separation process which isolate | separates the quality goods bonding sheet | seat F9 and the separator F3 from the quality goods sheet piece F10. The bonding apparatus 9 can perform the bonding process which bonds the outstanding goods bonding sheet | seat F9 isolate | separated from separator F3, and liquid crystal panel P conveyed to the bonding area | region A1. The collection | recovery apparatus 2 can perform the separator collection | recovery process which collect | recovers separator F3 isolate | separated from the quality goods bonding sheet | seat F9. As shown in FIG. 7, the collection | recovery apparatus 2 can perform the fault collection process which collect | recovers the defective article piece F13, ie, the defective article bonding sheet F12, with separator F3.

The recovery device 2 includes a transfer unit 3, a determination unit 10a, a guide unit 22, and a recovery unit 21. The conveyance part 3 winds at least the separator F3 at the front-end | tip part 19 of the knife edge 20 among the sheet pieces F10 and F13 which the optical member F1 and the separator F3 laminated | stacked. That is, the conveyance part 3 has a knife edge, and winds (feeds) the sheet pieces F10 and F13 around the knife edge 20 using separator F3 as a carrier. The determination part 10a determines whether the sheet pieces F10 and F13 conveyed to the knife edge 20 are the defective sheet piece F13 or the quality sheet piece F10. The guide portion 22 guides the defective bonding sheet F12 so that the defective bonding sheet F12 is not separated from the separator F3 by the knife edge 20 among the defective sheet pieces F13. The recovery part 21 recovers the defective article piece F13 conveyed via the front-end | tip part 19 of the knife edge 20. As shown in FIG.

The conveying part 3 of this embodiment is comprised including the knife edge 20 and the roller which the separator F3 spread | hung with the knife edge 20 among the some conveyance roller 24 which comprises the conveying apparatus 3, and is comprised It is. One of the rollers 24 is the guide roller 25 arrange | positioned downstream of the conveyance path | route from the knife edge 20. As shown in FIG.

The determination unit 10a of the present embodiment is included in the control device 10. The determination part 10a of the control apparatus 10 of this embodiment is sheet piece F10, F13 conveyed to the knife edge 20 based on the said sheet position information, defect position information, and cut line position information. It is determined whether this defective article sheet piece F13 or the excellent article sheet piece 10 is used.

The recovery part 21 of this embodiment is a part of conveyance apparatus 3. The recovery part 21 of this embodiment is comprised including the at least one roller arrange | positioned downstream of the conveyance path | route rather than the guide roller 25 among the some roller which comprises the winding machine 5 and the conveying apparatus 3, and is comprised It is. In addition, the recovery part 21 may be comprised only by the winding machine 5.

The guide part 22 of this embodiment is equipped with the jig | tool 29 which pushes inferior goods bonding sheet | seat F12 toward separator F3. In addition, the guide portion 22 preferably includes a second moving portion (second moving mechanism) 30. The second moving part 30 moves the jig 29 to a position opposite to the tip end 19 of the knife edge 20. That is, the 2nd moving part 30 is made into the 1st position X1 which contact | connects the defective article piece F13 via the knife edge 20, and the fine article sheet piece F10 via the knife edge 20. As shown in FIG. The jig 29 is moved between the second positions X2 which are not in contact.

The knife edge 20 of this embodiment is a columnar shape extended in the width direction of the optical sheet F, and the 1st surface 23 and the 1st surface which face the optical sheet F conveyed by the knife edge 20 are provided. It has a second face 24 that forms an acute angle (an angle greater than 0 ° and less than 90 °) with respect to face 23. Tip portion 19 includes an end of second face 24 adjacent to first face 23 and an end of first face 23 adjacent to second face 24.

In this embodiment, the optical sheet F conveyed to the collection | recovery apparatus 2 is conveyed toward the front-end | tip part 19, opposing that the one surface to the 1st surface 23 of the knife edge 20. As shown in FIG. Separator F3 spans the tip 19 and the guide roller 25. In addition, the separator F3 is bent in the direction of forming an acute angle with respect to the optical member F1 of the downstream portion of the conveyance path rather than the tip portion 19, thereby bending the tip portion 19 as a point. On the other hand, the fine article bonding sheet | seat F9 advances in the direction substantially parallel to the 1st surface 23 from the front-end | tip part 19 between the 1st surface 23 and the 2nd surface 24. As shown in FIG. Thereby, the separator F3 is in order from the downstream side (1st piercing line L1 side) of the conveyance path | route in the longitudinal direction toward the upstream side (2nd piercing line L2 side), and the quality goods bonding sheet | seat F9 in order. Separate from. In this way, the separation process is executed. Separator F3 separated from the fine article bonding sheet | seat F9 is wound up by the winding machine 5 via the guide roller 25, and it collect | recovers. In this way, the separator collection process is executed.

The bonding apparatus 9 of this embodiment is equipped with a pair of bonding roller 26 and the 1st moving mechanism (henceforth 1st moving part 27) which enables the bonding roller 26 to move. do. The first moving part 27 moves the bonding roller 26 to a position deviating from the moving path of the jig 29 when the jig 29 is moved to a position opposite to the tip end 19 of the knife edge 20. Let's do it.

The pair of bonding rollers 26 are arranged so that the rotation axes are substantially parallel to each other. The bonding roller 26 is arrange | positioned at the 3rd position X3 when a bonding process is performed. The 3rd position X3 is set so that between the pair of bonding rollers 26 arrange | positioned at 3rd position X3 may be arrange | positioned in the front which the quality goods bonding sheet | seat F9 which passed through the front-end | tip part 19 faces. Liquid crystal panel P conveyed to the bonding area | region A1 is conveyed by the conveyor 18 between the pair of bonding rollers 26 arrange | positioned at 3rd position X3.

In addition, the bonding roller 26 winds only the separator F3 by the knife edge 20, when the determination part 10a determines that the optical member F1 is the excellent optical member F9. Thereafter, the bonding roller 26 bonds the fine article optical member F9 separated from the separator F3 to the liquid crystal panel P as the bonding target.

The liquid crystal panel P and the good-quality bonding sheet | seat F9 which are mutually bonded are one pair of bonding rollers 26 so that each surface which contacts each other after bonding may be parallel to each other and also parallel to the rotation axis of a pair of bonding rollers 26. It is carried between. The pair of bonding rollers 26 sandwich the liquid crystal panel P and the quality goods bonding sheet F9 conveyed between the pair of bonding rollers 26 during the bonding process. Thus, by bonding a pair of bonding rollers 26 to each other, the fine article bonding sheet | seat F9 is bonded to liquid crystal panel P. FIG. Liquid crystal panel P bonded with the quality goods bonding sheet | seat F9 is conveyed downstream of the manufacturing line of a liquid crystal display element. In this way, the joining process is performed.

The jig 29 of the guide part 22 of this embodiment is a member used during a fault collection process. The jig 29 can change the advancing direction of the defective bonding sheet F12 so that the defective bonding sheet F12 may return the tip portion 19 of the knife edge 20 along the separator F3.

In the bonding process, the jig 29 is arrange | positioned in the 2nd position X2 which does not contact the quality goods bonding sheet | seat F9 via the front-end | tip part 19 of the knife edge 20. As shown in FIG. In the present embodiment, the second position X2 is set so that the jig 29 disposed at the second position X2 does not interfere with the operation of the bonding apparatus 9 during the bonding process. Here, the 2nd position X2 is set so that the jig 29 arrange | positioned in 2nd position X2 may not contact any one of the pair of bonding roller 26 and liquid crystal panel P. As shown in FIG.

It is preferable that the jig | tool 29 of this embodiment has the recessed part 28. As shown in FIG. In the defect recovery process (see FIG. 7), the jig 29 is disposed at the first position X1 such that the recess 28 faces the tip 19 of the knife edge 20. Thereby, the sheet piece is sandwiched between the recessed part 28 and the front-end | tip part 19 of the knife edge 20. As shown in FIG. The recessed part 28 of the jig 29 has the shape which bent along the front-end | tip part 19 of the knife edge 20, when the jig 29 is arrange | positioned in the 1st position X1. In the present embodiment, the concave portion 28 is V-shaped (or U-shaped) in the width direction of the optical sheet F when it reaches the tip portion 19 of the knife edge 20.

The said 1st position X1 is set so that the recessed part 28 of the jig 29 arrange | positioned at the 1st position X1 may surround the front-end | tip part 19 in the vicinity of the knife edge 20. As shown in FIG. The gap between the recess 28 of the jig 29 disposed at the first position X1 and the first surface 23 or the second surface 24 around the tip portion 19 of the knife edge 20 is For example, it is set to 10 times or less larger than 1 times the thickness of the optical sheet F, and is set to 2 times or less larger than 1 times the thickness of the optical sheet F here.

In a fault collection process, a pair of bonding roller 26 is arrange | positioned at 4th position X4. The 4th position X4 is set so that the pair of bonding rollers 26 arrange | positioned at 4th position X4 may not interfere with the jig 29 arrange | positioned at 1st position X1.

In the defect recovery process, the separator F3 of the defective article piece F13 conveyed to the tip end portion 19 of the knife edge 20 is bent with the tip end portion 19 as a point, as in the separation process, and a guide roller is provided. It is conveyed toward 25. In the defect collection process, the defective article bonding sheet F12 passing through the distal end portion 19 of the knife edge 20 is sent while bending along the concave portion 28 of the jig 29 disposed at the first position X1. By pushing, it pushes toward separator F3. The jig 29 bends the defective bonding sheet F12 so that at least a part of the defective bonding sheet F12 contacts the separator F3 bent at the distal end portion 19 on the downstream side of the transport path than the distal end portion 19. Let's do it. In the present embodiment, the shape of the recess 28 of the jig 29 is such that the defective bonded sheet F12 bent by the jig 29 and the separator F3 bent at the tip 19 are hardly separated from each other. And the first position X1 is set.

The defective bonded sheet F12 via the distal end portion 19 of the knife edge 20 is wound on the winding machine 5 together with the separator F3 via the guide roller 25, and the separator F3 in the separator collection process. ), It is recovered by the recovery unit 21. In this way, the defect recovery process is executed.

The second moving unit 30 may move the jig 29 between the first position X1 and the second position X2. The second moving part 30 is a jig arrangement process for moving the jig 29 from the second position X2 to the first position X1, and the jig 29 is moved from the first position X1 to the second position ( The jig evacuation process which moves to X2) can be performed. The control apparatus 10 can control the 2nd moving part 30, and can make the 2nd moving part 30 perform a jig | placement process and a jig evacuation process, respectively.

The first moving part 27 can move the pair of bonding rollers 26 between the third position X3 and the fourth position X4. The 1st moving part 27 processes the bonding roller arrangement | positioning which moves a pair of bonding roller 26 from 4th position X4 to 3rd position X3, and moves a pair of bonding roller 26 to 3rd. The bonding roller evacuation process which moves from the position X3 to the 4th position X4 can be performed. The control apparatus 10 can control the 1st moving part 27, and can perform the joining roller arrangement | positioning process and the joining roller evacuation process to the 1st moving part 27, respectively.

The control apparatus 10 of this embodiment is comprised including the computer system. The computer system includes arithmetic processing units such as a CPU and a storage unit such as a memory or a hard disk. The control apparatus 10 of this embodiment includes the interface which can perform communication with the external apparatus of a computer system. An input device capable of inputting an input signal may be connected to the control device 10. The input device includes an input device such as a keyboard, a mouse, or a communication device that can input data from an external device of a computer system. The control apparatus 10 may include display apparatuses, such as a liquid crystal display which shows the operation | movement state of each part of the bonding system 1, and may be connected with the display apparatus.

In the storage unit of the control device 10, a drive system (OS) for controlling a computer system is installed. The program is recorded in the storage unit of the control device 10. This program controls each part of the bonding system 1 to arithmetic processing part, and makes each part of the bonding system 1 perform the process to remove the defective sheet piece F13.

The arithmetic processing part of the control apparatus 10 can read out the various information containing the program recorded in the memory | storage part. The control apparatus 10 may contain logic circuits, such as an ASIC, which performs the various processes required for control of each part of the bonding system 1.

Next, the joining method including the collection | recovery method of this embodiment is demonstrated. 8 is a diagram illustrating a processing flow of the recovery method of the present embodiment.

The bonding method of this embodiment includes a conveyance process for conveying the optical sheet F in a predetermined conveyance direction, and a plurality of processes executed in parallel with the conveyance process. If attention is paid to a part of the optical sheet F, each of the plurality of processes is executed in this order in time order. Hereinafter, a part of optical sheet F is paid attention and the processing flow of several process is demonstrated.

If attention is paid to the whole of the optical sheet F, while the first processing is being performed on the first portion of the optical sheet F, the second processing is performed on the second portion different from the first portion. It is executed in parallel with the processing. The first process and the second process are processes suitably selected from a plurality of processes.

The bonding method of this embodiment performs detection processing (S1) and sheet piece formation process (S2). The detection process S1 detects the fault of the optical member F1 of the optical sheet F. As shown in FIG. Sheet piece formation process S2 forms a cut line in the several position of the conveyance direction of the optical sheet F of the part in which detection process S1 was performed, and makes the quality goods sheet piece F10 or the defective article piece F13. Form.

As shown in FIG. 8, the control apparatus 10 of this embodiment controls the conveying apparatus 3, and makes the conveying apparatus 3 perform a conveyance process. The conveyance process is a process of conveying the separator F3 along the conveyance path | route from the optical sheet supply part 4 to the winder 5. The control apparatus 10 controls the detection apparatus 7, and makes the detection apparatus 7 perform the detection process S1. The control device 10 generates cut line position information indicating the position on the optical sheet F of the cut line to be formed next, based on the measurement result of the measuring instrument 6 and the detection result of the detection device 7. do. The control apparatus 10 controls the cutting device 8 based on cut line position information, and makes the cutting device 8 perform sheet piece formation process S2.

Moreover, the bonding method of this embodiment has determination processing S3, separation processing S4, panel conveyance processing S5, bonding processing S6, and separator collection | recovery processing S7.

The determination process S3 determines whether the sheet piece formed in the sheet piece forming process S2 and directed to the tip portion 19 of the knife edge 20 is the fine sheet piece F10. Separation process S4 isolate | separates the quality goods bonding sheet | seat F9 and separator F3 of the quality goods sheet piece F10, when the sheet piece toward the front-end | tip part 19 of the knife edge 20 is the quality goods piece F10. do. The panel conveyance process S5 conveys the bonding object (liquid crystal panel P) to the bonding area | region A1 in synchronization with the timing which the quality goods piece piece F10 is conveyed to the bonding area | region A1. Bonding process S6 joins the outstanding goods bonding sheet | seat F9 isolate | separated from separator F3 in the separation process S4, and a bonding object. Separator collection | recovery process S7 collect | recovers separator F3 isolate | separated from the fine article bonding sheet | seat F9 in separation process S4.

The control apparatus 10 of this embodiment performs determination process S3 based on the measurement result of the measuring device 6, and fault position information. The control apparatus 10 controls the collection | recovery part 21, when it determines with the sheet | seat piece toward the front-end | tip part 19 of the knife edge 20 being the fine article sheet piece F10 ("Yes" of judgment process S3), Separation processing (S4) and separator recovery processing (S7) are performed to recovery | recovery part 21. FIG. Moreover, the control apparatus 10 controls the panel conveyance apparatus 15, runs the panel conveyance process S5 to the panel conveyance apparatus 15, controls the bonding apparatus 9, and controls the bonding apparatus 9 to the bonding apparatus 9. FIG. The bonding process S6 is executed. Thereby, the quality goods bonding sheet | seat F9 isolate | separated by separation process S4 is bonded by liquid crystal panel P. FIG.

Moreover, the joining method of this embodiment is a panel evacuation process (S8), when the sheet piece which goes to the front-end | tip part 19 of the knife edge 20 is defective sheet piece F13 ("No" of judgment process S3). The defect recovery process (S9) is executed. The panel evacuation process S8 stops the carry-in of the bonding object (liquid crystal panel P) to the bonding area | region A1, or saves the bonding object in the bonding area | region A1. The fault recovery process S9 collects the defective article bonding sheet F12 with the separator F3 after this panel retraction process S8.

The control apparatus 10 of this embodiment judged that the sheet piece which goes to the front-end | tip part 19 of the knife edge 20 in determination process S3 is not the fine article sheet piece F10 (it is a defective article sheet piece F13). At this time, the panel conveyance apparatus 15 is controlled, the panel conveyance process S8 is performed to the panel conveyance apparatus 15, and conveyance of liquid crystal panel P is stopped. Then, the control apparatus 10 performs the fault collection process S9 to the guide part 22 and the collection | recovery part 21, and collect | recovers the defective article bonding sheet | seat F12 and the separator F3.

9 is a diagram showing a processing flow when switching the bonding processing and the defect recovery processing in the present embodiment.

In the joining method of this embodiment, when the sheet piece following the quality goods sheet piece F10 which is the object of the bonding process (S6) is defective sheet piece F13, after performing panel evacuation process (S8), 3rd position (X3) The bonding roller evacuation process S10 which moves the pair of bonding rollers 26 arrange | positioned at the 4th position X4 is performed. After completion | finish of this bonding roller retraction process S10, the jig arrangement | positioning process S11 which moves the jig 29 arrange | positioned at the 2nd position X2 to the 1st position X1 is performed. And after completion | finish of this jig arrangement | positioning process S11, defect collection | recovery process S9 is performed with respect to the defective article piece F13 which arrives at the front-end | tip part 19 of the knife edge 20 next.

When two or more quality goods sheet pieces F10 are continuously conveyed to the bonding area | region A1, the bonding process S6 keeps the position of the pair of bonding rollers 26, and the position of the jig 29. And two or more quality goods sheet pieces F10.

In the control apparatus 10 of this embodiment, after completion | finish of the bonding process S6 with respect to a previous sheet piece, the panel conveyance apparatus 15 is controlled and the panel evacuation process S8 is performed. After the panel evacuation process S8 is finished, the first moving part 27 is controlled to cause the first moving part 27 to execute the bonding roller evacuation process S10. After this bonding roller retraction process S10 is complete | finished, the 2nd moving part 30 is controlled and the jig arrangement | positioning process S11 is performed to the 2nd moving part 30. FIG. After this jig batch processing S11 is finished, the panel evacuation processing S8 and the defect recovery processing S9 for the next sheet piece are executed.

In the joining method of this embodiment, when the sheet piece subsequent to the defective article sheet piece F13 which is a target of defect collection process S9 is the fine sheet piece F10 ("Yes" in the judgment process S3a), the first position X1. Jig evacuation process (S12) which moves the jig 29 arrange | positioned at (2) to 2nd position X2, and a pair of one arrange | positioned at 4th position X4 after completion | finish of this jig evacuation process (S12). Bonding roller arrangement process (S13) which moves the bonding roller 26 to the 3rd position X3 is performed. After this bonding roller arrangement processing (S13) is finished, separation processing (S4), panel conveyance processing (S5), and bonding processing (for the fine article sheet piece F10 arriving next to the tip portion 19 of the knife edge 20 next). S6) and separator recovery process (S7) are executed.

When two or more defective sheet pieces F13 are continuously conveyed to the tip end portion 19 of the knife edge 20, the defect recovery process S9 is performed by the position of the pair of bonding rollers 26 and the jig 29. It is performed continuously to two or more defective sheet pieces F13, maintaining a position.

The control apparatus 10 of this embodiment controls the 2nd moving part 30 after completion | finish of the defect collection process (S9) with respect to the previous sheet piece, and the jig evacuation process to the 2nd moving part 30 (S12). ). After this jig evacuation process S12 is finished, the 1st moving part 27 is controlled and the bonding roller arrangement process S13 is performed to the 1st moving part 27. FIG. After this bonding roller arrangement processing (S13) is finished, separation processing (S4), panel conveying processing (S5), bonding processing (S6), and separator recovery processing (S7) are performed for the next sheet piece.

As described above, in the bonding method of the present embodiment, among the plurality of sheet pieces formed from the optical sheet F, the superior article bonding sheet F9 in which the optical member F1 does not contain a defect is bonded to the object (liquid crystal panel ( In addition to bonding to P)), the defective article bonding sheet F12 can be recovered without bonding to the bonding object.

As mentioned above, the control apparatus 10 of this embodiment is comprised by the computer system, and controls each part of the bonding system 1 according to the program stored in the memory | storage part of the control apparatus 10. As shown in FIG. This program is a program for executing control of a recovery device for recovering an optical member including defects. The program is formed by winding a sheet piece formed by separating an optical member and a separator so as to be wound around a tip of a knife edge, and at the tip of the knife edge. Determining whether the optical member of the sheet piece to be conveyed to is a good optical member containing no defect or a defective optical member containing a defect, and that the optical member of the sheet piece conveyed to the tip of the knife edge is the defective optical member. When determined, at the distal end portion 19 of the knife edge 20, pushing the defective optical member toward the separator and recovering the sheet piece including the defective optical member transferred via the knife edge. Program to run on computer, including The.

The collection | recovery apparatus 2 of the above structure can collect | recover the defective article bonding sheet | seat F12 with which the optical member F1 contains the fault F11 with separator F3. Therefore, compared with the method of transferring the defective bonding sheet F12 to the removal film etc. separate from separator F3, and removing, the removal film can be omitted and the cost required for the removal film can be omitted. have. Moreover, since the collection | recovery apparatus 2 can collect | recover the defective article bonding sheet | seat F12 using the collection | recovery part 21 which collects separator F3, for example, the collection | recovery part 21 collect | recovers the apparatus which collect | recovers the film for removal. The necessity to provide separately from) decreases, and the device configuration can be simplified.

As mentioned above, the collection | recovery apparatus 2 of this embodiment can remove the fault F11 of the optical member F1 effectively. Moreover, the bonding system 1 of this embodiment bonds the optical member F1 which does not contain the fault F11, and the fine goods bonding sheet | seat F9, effectively removing the fault F11 of the optical member F1. Can be bonded to the object. Moreover, since the defective article bonding sheet | seat F12 can be removed even if the collection | recovery method of this embodiment does not use the removal film etc. which are separate from separator F3, the fault F11 of the optical member F1 is removed effectively. can do.

Next, a modification of the recovery device will be described. It is a figure which shows the modified example of the collection | recovery apparatus of this embodiment.

The collection | recovery apparatus 2B shown in FIG. 10 is provided with the pressing member 31 which pushes the sheet piece wound by the front-end | tip part 19 of the knife edge 20 toward the knife edge 20. As shown in FIG. In this way, the defective article optical member is sandwiched between the pressing member 31 and the second surface 24 of the knife edge 20 by pressing the defective sheet piece F13 via the tip portion 19 of the knife edge 20. (Defective goods bonding sheet | seat F12) is pushed toward separator F3. The pressing member 31 of this example is comprised by the roller which can rotate around the rotation axis parallel to the width direction of the defective article bonding sheet | seat F12 via the front-end | tip part 19. As shown in FIG. In addition, the jig 29 and the pressing member 31 are moved by the second moving part 30.

In the bonding process S6, the pressing member 31 is arrange | positioned at the 5th position X5 which does not contact the quality goods bonding sheet | seat F9 via the front-end | tip part 19 of the knife edge 20. As shown in FIG. In this embodiment, the 5th position X5 is set so that the pressing member 31 arrange | positioned at 5th position X5 may not interfere with the operation | movement of the bonding apparatus 9 in the bonding process S6. Here, the 5th position X5 is set so that the press member 31 arrange | positioned at 5th position X5 may not contact any of a pair of bonding roller 26 and liquid crystal panel P. As shown in FIG.

In the defect recovery process S9, the pressing member 31 is positioned at the sixth position X6 to sandwich the defective bonding sheet F12 and the separator F3 between the second surface 24 of the knife edge 20. Is placed. In this example, the second moving part 30 of the guide part 22 is controlled by the control device 10, and the pressing member 31 is moved between the fifth position X5 and the sixth position X6. Can be.

The pressing member 31 arrange | positioned in 6th position X6 presses the defective article bonding sheet | seat F12 and the separator F3, and contact | adheres by pressing the defective article piece F13 toward the 2nd surface 24. As shown in FIG. Thereby, even if a part of defective article bonding sheet | seat F12 peels from separator F3 when it passes through the front-end | tip part 19, for example, the defective article bonding sheet | seat F12 and separator F3 will mutually adhere. Therefore, it is suppressed that the defective article bonding sheet F12 is separated from the separator F3 before it is wound by the winding machine 5. Moreover, the defective article bonding sheet | seat F12 can be collect | recovered effectively.

Next, a second modification of the recovery device will be described. It is a figure which shows the 2nd modified example of the collection | recovery apparatus of this embodiment.

2 C of collection | recovery apparatuses shown in FIG. 11 are equipped with the jig 29, the pressing member 31, and the 2nd moving part 30 (2nd moving mechanism). The jig 29 of this example is rotatably holding the pressing member 31 at the edge part of the recessed part 28 of the downstream side of a conveyance direction. That is, the relative position with respect to the jig 29 of the pressing member 31 is being fixed. Hereinafter, the jig 29 and the pressing member 31 in which the positions are fixed to each other are called the peeling suppression unit 32.

In the bonding process S6, the peeling suppression unit 32 is arrange | positioned at the 7th position X7 which does not contact the quality goods bonding sheet | seat F9 via the front-end | tip part 19 of the knife edge 20. As shown in FIG. Moreover, in the fault collection process S9, the jig 29 is arrange | positioned at the 1st position X1 which contacts the defective sheet piece via the knife edge 20, and the press member 31 is the knife edge 20 The peeling suppression unit 32 is arrange | positioned at 8th position X8 so that the defective article bonding sheet | seat F12 and separator F3 may be interposed between the 2nd surface 24 of the (). The 2nd moving part 30 is controlled by the control apparatus 10, and each of the 7th position X7 and the 8th position X8 is made so that each of the jig 29 and the pressing member 31 may not interfere with the bonding roller. The peeling suppression unit 32 can be moved between.

2 C of collection | recovery apparatuses of a 2nd modification are suppressed from being separated from separator F3 before the defective bonding sheet | seat F12 is wound up by the winding machine 5, and can collect | recover defective article bonding sheet F12 effectively. Moreover, since the jig 29 and the pressing member 31 are integrated and comprise the peeling suppression unit 32, and the 2nd moving part 30 moves the peeling suppression unit 32, it presses with the jig 29. The structure and control method of the 2nd moving part 30 can be made simpler than the structure which moves the member 31 individually.

In addition, the jig 29 and the pressing member 31 may form a peeling suppression unit by fixing the relative position of each other by the other fixing member of the jig 29 and the pressing member 31 either. In addition, the position of the pressing member 31 with respect to the jig 29 may be variable. Moreover, the mechanism which moves the pressing member 31 and arrange | positions in a predetermined position may be provided separately from the mechanism which moves the jig 29 and arrange | positions in a predetermined position.

The technical scope of this invention is not limited to the said embodiment. Various modifications are possible without departing from the spirit of the invention.

Although the said bonding system 1 detects the fault F11 of the optical member F1 by the detection apparatus 7, in addition to using the optical sheet F examined before conveyance, the control apparatus 10 ) May be used to determine whether or not the quality sheet is a piece. The said inspection result may be formed in the optical sheet F in the form of matching etc., for example, may be input into the control apparatus as data which shows the fault position from the edge of the roll R in the longitudinal direction. . Thus, when using the optical sheet F examined previously, the detection apparatus 7 may be abbreviate | omitted.

Moreover, although the said bonding system 1 partitions the optical sheet F into several sheet pieces by forming a piercing line with the cutting device 8, the optical sheet F previously partitioned by the several sheet piece. May be used. In this case, the cutting device 8 may be omitted.

Moreover, although the said bonding system 1 continues to send out the optical sheet F from the roll R by which the optical sheet F was wound, the optical sheet supply part 4 of the conveying apparatus 3 is an optical sheet F May be a manufacturing apparatus. The manufacturing apparatus of this optical sheet F may be a part of bonding system 1, or may be the external apparatus of bonding system 1.

In the above embodiment, the example in which the defective article bonding sheet F12 via the tip portion 19 hardly separates from the separator F3 has been described. If it adheres to the extent that it does not separate from separator F3, it can collect with separator F3. Moreover, you may improve adhesiveness of the defective article bonding sheet | seat F12 and the separator F3 after passing through the front-end | tip part 19 like the said modification.

The second moving part 30 and the first moving part 27 may be included in one moving mechanism including a link mechanism that is movable by interlocking the bonding roller 26 and the jig 29. It may be controlled by the control device 10.

1 joining system 2, 2 B recovery device
3 conveying apparatus (transfer part, collection part) 7 detection apparatus
8 cutting device 9 splicing device
10 Control Unit (Decision) 19 Tip
20 Knife Edge 21 Recovery Section
26 Bonding Roller 27 First Moving Part (First Moving Mechanism)
28 concave 29 jig
30 2nd moving part (2nd moving mechanism) 31 Pushing member
F optical sheet F1 optical member
F3 Separator X1 First Position
F9 quality goods bonding sheet (quality goods optical member) F10 quality goods sheet
F11 defect F12 defective article bonding sheet (bad article optical member)
F13 defective article sheet

Claims (12)

A conveying portion for winding the sheet piece formed by separating the optical member and the separator so as to be separated from the tip of the knife edge;
A judging section for judging whether the optical member of the sheet piece conveyed to the distal end of the knife edge is a high-quality optical member including no defects or a defective optical member including defects;
When it is determined that the optical member of the sheet piece conveyed to the distal end of the knife edge is the defective optical member, the determination unit is disposed at a position facing the distal end of the knife edge, and the defective optical member is distal to the distal end of the knife edge. A jig for pushing the defective optical member toward the separator so as not to peel from the separator;
And a recovery section for recovering the sheet piece including the defective optical member transferred through the knife edge. The method according to claim 1,
The jig has a recess curved along the tip of the knife edge, and the number of times the defective optical member is pushed toward the separator by sandwiching the sheet piece between the recess and the tip of the knife edge. Device. The method according to claim 1 or 2,
And a pressing member for pushing the defective optical member toward the separator by sandwiching the sheet piece via the tip of the knife edge between the knife edge. The method according to claim 3,
The pressing member has a recovery device in which a relative position with respect to the jig is fixed. A recovery apparatus of claim 1 or 2;
And a bonding roller configured to bond the optical member, which is determined to be the excellent optical member to the determination unit and is separated from the separator at the tip of the knife edge, to a bonding object. The method according to claim 5,
And a moving mechanism for moving the bonding roller such that the bonding roller does not interfere with the jig when the jig is disposed at a position opposite the knife edge. The method according to claim 5,
And a second moving mechanism for moving the jig so as not to interfere with the bonding roller and placing the jig at a position facing the knife edge. The method of claim 7,
The recovery device includes a pressing member for pushing the defective optical member toward the separator by sandwiching a sheet piece via the tip of the knife edge with the knife edge,
And the second moving mechanism moves and positions the pressing member together with the jig so as not to interfere with the bonding roller. The method according to claim 8,
The pressing member is a bonding system in which a relative position with respect to the jig is fixed. The method according to claim 5,
Bonding system provided with the detection apparatus which detects the fault of the said optical member. The method according to claim 5,
And a cutting device for cutting the optical sheets, in which the optical member and the separator are laminated to each other, in the thickness direction, leaving the separator in the thickness direction to form the sheet piece. Winding and transporting the sheet piece formed by separating the optical member and the separator so as to be separated from the tip of the knife edge;
Determining whether the optical member of the sheet piece conveyed to the distal end of the knife edge is a good optical member including no defect or a defective optical member including defect;
When it is determined that the optical member of the sheet piece conveyed to the tip end of the knife edge is the defective optical member, the defective optical member is directed toward the separator so that the defective optical member does not peel off from the separator at the tip of the knife edge. Pushing;
A recovery method comprising recovering a sheet piece including the defective optical member transferred through the knife edge.

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