TW201345819A - Production system and production method of optical display device - Google Patents

Abstract

A production system of optical display devices in which optical members are attached to optical display components, the production system includes: a primary attachment apparatus forming an attachment sheet by attaching a band-shaped primary optical member sheet to first faces of the optical display components which are transferred on a line, while unwinding the primary optical member sheet from a primary original fabric roll, the primary optical member sheet having a width greater than a width of a displaying region of the optical display components in a component-width direction orthogonal to a transfer direction of the optical display components; a primary cutting apparatus separating off an opposed portion of the primary optical member sheet facing the displaying region and an excess portion located outside the opposed portion, the primary cutting apparatus separating cutting off, from the primary optical member sheet, primary optical members serving as the optical member having a size corresponding to the displaying region, thereby, the primary cutting apparatus cutting the attachment sheet and ejecting primary optical-member-attached bodies, the primary optical-member-attached bodies including a single optical display component and the primary optical members overlapping the single optical display component; and a secondary attachment apparatus unwinding, from a secondary original fabric roll, a band-shaped secondary optical member sheet having a width corresponding to the displaying region in the component-width direction together with a separator sheet, the secondary attachment apparatus performing cutting to the secondary optical member sheet along a width direction every unwinding of the secondary optical member sheet at a length corresponding to the displaying region, after forming secondary optical members serving as the optical member having a size corresponding to the displaying region, the secondary attachment apparatus attaching the secondary optical members to second faces of the optical display components in the primary optical-member-attached bodies which are transferred on a line, while transferring the secondary optical members by use of the separator sheet as a carrier.

Description

Production system of optical display device and production method thereof

The present invention relates to a production system of an optical display device such as a liquid crystal display and a method of producing the same.

Conventionally, in a production system of an optical display device such as a known liquid crystal display, an optical component such as a polarizing plate attached to a liquid crystal panel (optical display member) is cut out from a long film to conform to a display area size of the liquid crystal panel. After the layer is packaged and transported to another production line, it is bonded to the liquid crystal panel (for example, refer to Japanese Laid-Open Patent Publication No. 2003-255132).

However, in the above-described conventional structure, in consideration of variations in the dimensions of the liquid crystal panel and the ply, and the lamination deviation (positional deviation) of the ply of the liquid crystal panel, a ply which is slightly larger than the display region is cut. Therefore, an unnecessary area (frame portion) is formed in the peripheral portion of the display region, which may hinder the miniaturization of the device.

In addition, before the optical component is bonded to the liquid crystal panel, dust is prevented from adhering to the liquid crystal panel by electrostatic elimination or the like through the liquid crystal panel, but the bonding surface of the optical component bonded to the liquid crystal panel is adhesive and easily adheres to dust, which is easy. Produce a problem of poor fit.

In view of the above, the present invention provides a production of an optical display device that reduces the size of the display area and the miniaturization of the display, thereby suppressing the adhesion of dust to the bonding surface of the optical component. System and its production method.

In order to solve the above problems, the present invention has the following aspects.

A production system of an optical display device according to a first aspect of the present invention, in a production system in which an optical component is attached to an optical display component to form an optical display device, is provided with: a first bonding device, which is relatively along the production line The plurality of optical display members are transported to have a strip-shaped first optical component layer wider than a width of the display portion of the optical display member in a width direction of the member perpendicular to the direction in which the optical display member is transported, from the first roll Rolling out the roller and bonding the first surface of the plurality of optical display members to the first optical component layer to form a bonding layer; the first cutting device is to be the first optical opposite to the display region An opposite portion of the component layer is cut away from a remaining portion outside the opposite portion, and an optical component having a size corresponding to the display region is cut out from the first optical component layer as a first optical component, and from the The conforming layer cuts the first optical component conforming body, comprising a single optical display component and a first optical component overlapping the single optical display component; and a second time The device is a plurality of first optical component bonding bodies transported along the production line, and has a strip-shaped second optical component layer corresponding to the width of the display region in the width direction of the component, from the second material The roll cylinder is unwound together with the separation layer, and each time the second optical component layer is rolled out to a length corresponding to the display area, the second optical component layer is cut in the width direction to form Having an optical component corresponding to the size of the display area as a second optical component, and then transporting the plurality of second optical components with the separation layer as a carrier, and attaching the second optical component to the At the second side of the optical display member of the first optical component bonding body.

However, the "opposing portion" in the above configuration means an area which is larger than the display area and which is smaller than the outer shape of the optical display member, and is a region which avoids a functional portion such as an electronic component mounting portion. That is, the above structure includes a case where the remaining portion is cut by laser along the outer periphery of the optical display member.

In the production system of the optical display device of the first aspect of the present invention, the second bonding device preferably has a winding portion for winding the second optical component layer together with the separation layer a cutting portion that cuts the second optical component layer to form the second optical component; the detecting portion is in a cutting position at which the second optical component layer is cut, along the first a winding direction of the secondary optical component layer, at a position corresponding to a distance of a second optical component toward the downstream side, detecting a cutting line formed by the cutting in the second optical component layer; and controlling a portion that adjusts the cutting position and the detection position according to the position of the cutting line when the cutting line is detected from the cutting position at a detecting position at a distance from the downstream side of the second optical component. The distance between them.

A method of producing an optical display device according to a second aspect of the present invention, in a method of producing an optical display device by bonding an optical component to an optical display component, comprising: a plurality of optical display components that are transported along a production line, a strip-shaped first optical component layer having a width wider than a width of the display portion of the optical display member in a direction perpendicular to a width direction of the optical display member in the direction in which the optical display member is transported, is unwound from the first roll, and plural a step of bonding a first side of the optical display member to the first optical component layer to form a bonding layer; a facing portion of the first optical component layer facing the display region, and an outer portion of the opposite portion The remaining portion is cut, and an optical component having a size corresponding to the display area is cut out from the first optical component layer as a first optical component, and the first optical component bonding body is cut out from the bonding layer, a step of including a single optical display component and a first optical component that overlaps the single optical display component; and a plurality of firsts that are transported relative to the production line The optical component bonding body has a strip-shaped second optical component layer having a width corresponding to the width of the display region in the width direction of the component, and is rolled out from the second roll and the separation layer each time When the second optical component layer is rolled out to correspond to the length of the display region, the second optical component layer is cut in the width direction to form an optical component having a size corresponding to the display region. a secondary optical component, and then transporting the plurality of second optical components with the separation layer as a carrier, and attaching the second optical component to the optical display component of the first optical component bonding body The steps on both sides.

A production system of a third aspect of the optical display device of the present invention, in a production system in which an optical component is attached to an optical display component to form an optical display device, is provided with: a first bonding device, which is relatively along the production line The plurality of optical display members are transported to have a strip-shaped first optical component layer wider than a width of the display portion of the optical display member in a width direction of the member perpendicular to the direction in which the optical display member is transported, from the first roll Rolling out the roller and bonding the first surface of the plurality of optical display members to the first optical component layer to form a bonding layer; the first cutting device is to be the first optical opposite to the display region An opposite portion of the component layer is cut away from a remaining portion outside the opposite portion, and an optical component having a size corresponding to the display region is cut out from the first optical component layer as a first optical component, and from the The conforming layer cuts the first optical component conforming body, comprising a single optical display component and a first optical component overlapping the single optical display component; and a second time The device is a plurality of first optical component bonding bodies transported along the production line, and has a strip-shaped second optical component layer corresponding to the width of the display region in the width direction of the component, from the second material The roll cylinder is unwound together with the separation layer, and each time the second optical component layer is rolled out to a length corresponding to the display area, the second optical component layer is cut in the width direction to form Having an optical component corresponding to the size of the display area as a second optical component, and then transporting the plurality of second optical components with the separation layer as a carrier, and bonding the second optical component to the a first surface of the optical display member of the first optical component bonding body; wherein, at the bonding position of the first optical component layer and the optical display component, the first bonding device is the first time The optical component layer is configured to convey the first optical group in such a manner that the bonding surface of the optical display component faces downward And the second bonding device uses the second optical component layer to fit the first time at the bonding position of the second optical component layer and the first optical component bonding body; The second optical component layer is transported in such a manner that the bonding surface of the optical component bonding body faces downward.

A production system for an optical display device according to a third aspect of the present invention, preferably, comprising: a reversing device for reversing the front/reverse faces of the first optical component bonding body conveyed along the production line.

In the production system of the optical display device of the third aspect of the present invention, the second bonding device preferably has a winding portion for winding the second optical component layer together with the separation layer a cutting portion that cuts the second optical component layer to form the second optical component; the detecting portion is in a cutting position at which the second optical component layer is cut, along the first a winding direction of the secondary optical component layer, at a position corresponding to a distance of a second optical component toward the downstream side, detecting a cutting line formed by the cutting in the second optical component layer; and controlling a portion that adjusts the cutting position and the detection position according to the position of the cutting line when the cutting line is detected from the cutting position at a detecting position at a distance from the downstream side of the second optical component. The distance between them.

A method of producing an optical display device according to a fourth aspect of the present invention, in a method of producing an optical display device by bonding an optical component to an optical display component, comprising: a plurality of optical display components that are transported along a production line, A strip-shaped first-order optical component layer having a width corresponding to a width of the display portion of the optical display member in a direction perpendicular to a width direction of the optical display member in a direction perpendicular to the direction in which the optical display member is transported, is unwound from the first roll, and a plurality of opticals are to be taken a step of bonding a first side of the display member to the first optical component layer to form a bonding layer; a facing portion of the first optical component layer facing the display region, and a remaining portion outside the opposite portion Partially cutting, cutting an optical component having a size corresponding to the display area from the first optical component layer as a first optical component, and cutting a first optical component bonding body from the bonding layer, comprising a single optical display component and overlapping the single one a step of optically displaying the first optical component of the component; and a plurality of first optical component bonding bodies transported relative to the production line, having a strip second time corresponding to the width of the display area in the width direction of the component The optical component layer is rolled out from the second roll and the separation layer, and the second time the second optical component layer is rolled out to the length corresponding to the display area, the second time in the width direction The optical component layer is cut to form an optical component having a size corresponding to the display area as a second optical component, and then the plurality of second optical components are transported with the separation layer as a carrier, and the a step of bonding the second optical component to the second surface of the optical display component of the first optical component bonding body; wherein, at a bonding position of the first optical component layer and the optical display component, The first optical component layer is configured to feed the first optical component layer in a manner that the bonding surface of the optical display component faces downward; and the second optical component layer and the first time Optical components attached to the adhesive element of the closed position so that the second optical element layer bonded to the first bonding surface of the optical assembly attached to the body facing downward to convey the second optical element layer.

According to the present invention, a strip-shaped optical component layer having a width corresponding to a display area is cut to a specific length to form an optical component, and the optical component is transported as a carrier by a separation layer rolled out together with the optical component layer, And bonding to the optical display member in the production line in which the cutting is performed. Thereby, compared with the case where the polarizing plate processed in accordance with the display area is transported to another production line, the dimensional deviation or the misalignment of the optical component can be suppressed, the frame portion around the display area can be reduced, and the display area can be enlarged and the machine can be realized. The purpose of miniaturization.

In addition, since the bonding surface of the adhesive layer side is conveyed downward at the bonding position between the optical component layer and the optical display member, scratching of the bonding surface of the optical component layer, adhesion of foreign matter, and the like can be suppressed. Can inhibit the occurrence of poor fit.

1,101‧‧‧film bonding system

5,105‧‧‧Roller conveyor

11,111‧‧‧First calibration device

12,12’,112,112’‧‧‧ first bonding device

12a, 12a', 112a, 112a'‧‧‧ delivery device

12b, 112b‧‧‧ pinch roller

12c, 112c‧‧‧ Roller Holder

12d, 112d‧‧‧Protective film recycling department

12e, 112e‧‧‧First Recycling Department

13,13',113,113'‧‧‧ first cut-off device

14,114‧‧‧Second calibration device

15,115‧‧‧Second bonding device

15a, 115a‧‧‧ conveying device

15b, 115b‧‧‧ pinch roller

15c, 115c‧‧‧ Roller Holder

15d, 115d‧‧‧Second Recycling Department

16,116‧‧‧Second cutting device

16a, 116a, C‧‧‧ camera

17,17'‧‧‧ third calibration device

18,18’, 118‧‧‧ third bonding device

19,19’, 119‧‧‧ conveyor

19a, 119a‧‧ ‧ Roller Holder

19b, 119b‧‧‧ guide roller

19c, 119c‧‧‧cutting device

19d, 119d‧‧‧ blade

19e, 119e‧‧ ‧ Separation Layer Separation Department

20,120‧‧‧Control device

21, 21’, 121‧‧ ‧ pinch roller

22,122‧‧‧First inspection camera

23,123‧‧‧Second inspection camera

F1‧‧‧First optical component layer

F11‧‧‧First optical component

F12‧‧‧Second optical component

F13‧‧‧ Third optical component

F1S‧‧‧ layer

F2‧‧‧Second optical component layer

F21‧‧‧ first bonding layer

F22‧‧‧Second bonding layer

F23‧‧‧ third bonding layer

F3‧‧‧ third optical component layer

F3S‧‧‧ third optical component layer

FX‧‧‧ optical component layer

G‧‧‧Border Department

T‧‧‧ cut end

P‧‧‧ LCD panel

P1‧‧‧ first substrate

P2‧‧‧second substrate

P3‧‧‧ liquid crystal layer

P4‧‧‧ display area

P5‧‧‧Electronic Component Installation Department

P11, P11'‧‧‧ first single-sided fitting panel

P12‧‧‧Second single-sided fitting panel

P13‧‧‧ double-sided fitting panel

Pf‧‧‧protective film

Starting point of pt1‧‧

End point of pt2‧‧

PX‧‧‧Optical display parts

R1‧‧‧First roll drum

R2‧‧‧second roll drum

R3‧‧‧ third roll

SS‧‧‧Separation layer

Fig. 1 is a schematic configuration diagram of a film bonding system of an optical display device according to a first embodiment of the present invention.

Fig. 2 is a perspective view showing the vicinity of a second bonding apparatus of the film bonding system in the first embodiment of the present invention.

Fig. 3 is a perspective view showing an optical display member in which an optical axis direction of an optical component layer of the film bonding system of the first embodiment of the present invention is bonded thereto.

Fig. 4 is a cross-sectional view showing a first bonding layer in the film bonding system according to the first embodiment of the present invention.

Fig. 5 is a cross-sectional view showing a second bonding layer in the second cutting device of the film bonding system according to the first embodiment of the present invention.

Fig. 6 is a plan view showing a second bonding layer of Fig. 5 in the first embodiment of the present invention.

Fig. 7 is a cross-sectional view showing a double-sided bonding panel which passes through the film bonding system in the first embodiment of the present invention.

Fig. 8 is a cross-sectional view showing a laser cut end of an optical component layer bonded to a liquid crystal panel in the first embodiment of the present invention.

Fig. 9 is a cross-sectional view showing a laser cut end of the optical module layer alone in the first embodiment of the present invention.

Fig. 10 is an enlarged schematic structural view showing the periphery of a third bonding apparatus of the film bonding system in the first embodiment of the present invention.

Fig. 11 is a schematic structural view showing a modification of the periphery of the first bonding apparatus of the film bonding system according to the first embodiment of the present invention.

Fig. 12 is a schematic structural view showing a modification of the periphery of the third bonding apparatus of the film bonding system according to the first embodiment of the present invention.

Figure 13 is a schematic view showing the structure of a film bonding system of an optical display device in a second embodiment of the present invention. Figure.

Fig. 14 is a perspective view showing the vicinity of a second bonding apparatus of the film bonding system in the second embodiment of the present invention.

Fig. 15 is a perspective view showing an optical display member in which an optical axis direction of an optical component layer of the film bonding system is bonded to the optical display member according to the second embodiment of the present invention.

Fig. 16 is an enlarged schematic structural view showing the periphery of a third bonding apparatus of the film bonding system in the second embodiment of the present invention.

Fig. 17 is a schematic structural view showing a modification of the periphery of the first bonding apparatus of the film bonding system according to the second embodiment of the present invention.

(First embodiment)

Hereinafter, a first embodiment of the present invention will be described with reference to the drawings. In the present embodiment, a film bonding system including a part of a production system as an optical display device will be described.

More specifically, as described in detail below, in the film bonding system of the first embodiment, the bonding apparatus (the first bonding apparatus 12, the second bonding apparatus 15, and the third bonding apparatus 18) is disposed in Below the roller conveyor 5, the first cutting device 13 is disposed above the roller conveyor 5.

Fig. 1 is a view showing a schematic configuration of a film bonding system 1 of the present embodiment. In the film bonding system 1 , for example, a film-shaped optical component such as a polarizing film, a retardation film, or a brightness-increasing film is bonded to a panel-shaped optical display member such as a liquid crystal panel or an organic electroluminescence (OEL) panel. The film bonding system 1 manufactures an optical component bonding body including the optical display member and the optical component. In the film bonding system 1, a liquid crystal panel P is used as the optical display member. Each part of the film bonding system 1 is transmitted through a control device 20 (control unit) as an electronic control unit. Overall control.

The film bonding system 1 transports the liquid crystal panel P from the starting position to the final position of the bonding step, for example, using a driving type roller conveyor 5 (production line), and sequentially applies a specific process to the liquid crystal panel P. The liquid crystal panel P is conveyed on the roller conveyor 5 in a horizontal state in which the front surface and the reverse surface thereof are horizontal.

In the left side of the drawing, the upstream side of the transport direction of the liquid crystal panel P (hereinafter referred to as the front side of the panel transport) is displayed, and the right side of the figure shows the downstream side of the transport direction of the liquid crystal panel P (hereinafter referred to as the downstream side of the panel transport).

Referring to FIGS. 5 and 6 together, the liquid crystal panel P has a rectangular plan view, and a display region P4 having a shape along the outer periphery is formed from the inner side of the outer peripheral edge of the specific width. When the panel of the second calibration device 14 is transported to the upstream side, the short side of the display region P4 is caused to convey the liquid crystal panel P approximately in the direction of the transport direction, and when the panel of the second calibration device 14 is transported to the downstream side, The long side of the display area P4 conveys the liquid crystal panel P approximately in the direction of the conveyance direction.

The first optical component F11 and the second optical component F12 cut out by the elongated first optical component layer F1, the second optical component layer F2, and the third optical component layer F3 for the front and back surfaces of the liquid crystal panel P And the third optical component F13 is appropriately attached. In the present embodiment, the first optical component F11 and the third optical component F13 which are polarizing films are bonded to each other on both the backlight side and the display surface side of the liquid crystal panel P. A second optical component F12 as a luminance increasing film is further adhered to one side of the backlight side of the liquid crystal panel P, and is overlapped with the first optical component F11.

As shown in Fig. 1, the film bonding system 1 includes a first calibration device 11 for conveying the liquid crystal panel P from the upstream process to the upstream side of the panel conveyance of the roller conveyor 5, and performing calibration of the liquid crystal panel P. The first bonding device 12 (the first bonding device) is disposed in the first calibration device The panel of FIG. 11 transports the downstream side; the first cutting device 13 is disposed adjacent to the first bonding device 12; and the second calibration device 14 is disposed at the first bonding device 12 and the first cutting device 13 The panel conveys the downstream side.

Further, the film bonding system 1 includes a second bonding device 15 (first bonding device) provided on the downstream side of the panel transportation of the second calibration device 14 and a second cutting device 16 (first time) a cutting device) disposed adjacent to the second bonding device 15; a third calibration device 17 disposed on a downstream side of the panel conveying of the second bonding device 15 and the second cutting device 16; and a third bonding The device 18 (second bonding device) is disposed on the downstream side of the panel transport of the third calibration device 17.

The first calibration device 11 can hold the liquid crystal panel P and freely transport it in the vertical direction and the horizontal direction, and has a pair of cameras C for capturing, for example, the end portions of the upstream and downstream sides of the panel transport of the liquid crystal panel P (refer to 3)). The photographic data of the camera C is transmitted to the control device 20.

The control device 20 activates the first calibration device 11 based on the photographic data and the inspection data in the optical axis direction stored in advance. However, the second calibration device 14 and the third calibration device 17 described later also have the camera C, and the photographic data of the camera C is used for calibration.

The first calibration device 11 is controlled by the control device 20 to calibrate the liquid crystal panel P with respect to the first bonding device 12. At this time, the position of the liquid crystal panel P in the horizontal direction (hereinafter referred to as the member width direction) in the vertical conveyance direction and the position in the rotation direction about the vertical axis (hereinafter referred to as the rotation direction) are determined. In this state, the liquid crystal panel P is guided to the bonding position of the first bonding apparatus 12.

The first bonding apparatus 12 is attached to the lower side surface (backlight side) of the liquid crystal panel P that is transported along the upper side of the long first optical component layer F1 that is guided to the bonding position. The first bonding device 12 is provided with a conveying device 12a that winds the first optical component layer F1 from the first winding roller R1 around which the first optical component layer F1 is wound, and along the first optical component layer F1. Long side direction The first optical component layer F1 is conveyed; and the nip roller 12b is attached to the upper side of the first optical component layer F1 conveyed by the conveying device 12a by the lower side surface of the liquid crystal panel P conveyed by the roller conveyor 5.

The conveying device 12a is provided with a roller holding portion 12c that supports the first roll drum R1 around which the first optical component layer F1 is wound, and winds up the first optical component in the longitudinal direction of the first optical component layer F1. The layer F1 and the protective film collecting portion 12d are transported on the panel of the first bonding device 12 by the protective film pf which is superposed on the lower side surface of the first optical component layer F1 and is unwound with the first optical component layer F1. The downstream side is recycled.

The nip roller 12b has a pair of bonding drums arranged in parallel with each other in the axial direction. A predetermined gap is formed between the pair of bonding rollers, and the gap is the bonding position of the first bonding device 12. The liquid crystal panel P and the first optical component layer F1 are superposed into the gap. The liquid crystal panel P and the first optical component layer F1 are pinched between the bonding rollers and sent to the downstream side of the panel conveying. Thereby, the first bonding layer F21 in which a plurality of liquid crystal panels P are continuously bonded to the upper surface of the elongated first optical component layer F1 at a predetermined interval can be formed.

The first cutting device 13 is located on the downstream side of the panel conveyance of the protective film collecting portion 12d. Referring to FIG. 4 and FIG. 5 together, the first cutting device 13 cuts the first optical component layer F1 of the first bonding layer F21 to form a larger display area P4 (in this embodiment, the liquid crystal panel is larger). The layer P1S of P is larger, and the entire width is cut along the width direction of the member at a designated portion of the first optical component layer F1 (between the liquid crystal panels P juxtaposed in the transport direction). However, the first cutting device 13 may use a cutting blade, and a laser cutting machine may also be used. Through the cutting step, the first single-sided bonding panel P11 having the layer F1S larger than the display region P4 is bonded to the lower surface of the liquid crystal panel P.

Referring to Fig. 1, the second aligning device 14 is, for example, capable of gripping the first single-sided fitting panel P11 on the roller conveyor 5 and rotating it by 90° about the vertical axis. Thereby, the short side of the display area P4 is slightly The first single-sided bonding panel P11 conveyed in parallel is conveyed in a direction slightly parallel to the long side of the display region P4. However, this turning step is a case where the optical axis direction of the other optical component layers bonded to the liquid crystal panel P is disposed at a right angle with respect to the optical axis direction of the first optical component layer F1.

The second calibration device 14 performs the same calibration as the first calibration device 11. That is, the second calibration device 14 determines the component width direction of the first single-sided bonding panel P11 with respect to the second bonding device 15 based on the inspection data stored in the optical axis direction of the control device 20 and the imaging data of the camera C. And the position in the direction of rotation. In this state, the first single-sided bonding panel P11 is guided to the bonding position of the second bonding apparatus 15.

The second bonding device 15 is directed to the upper side of the elongated second optical component layer F2 that is guided to the bonding position, and the first single-sided bonding panel P11 is transported along the upper side thereof (the backlight side of the liquid crystal panel P) ) to make a fit. The second bonding device 15 is provided with a conveying device 15a that winds the second optical component layer F2 from the second reel roller R2 around which the second optical component layer F2 is wound, and along the second optical component layer F2. The second optical component layer F2 is conveyed in the longitudinal direction; and the nip roller 15b is attached to the second side of the first single-sided bonding panel P11 conveyed by the roller conveyor 5 to the second optical device of the conveying device 15a. The upper side of the component layer F2.

The conveying device 15a is provided with a roller holding portion 15c that supports the second roll drum R2 around which the second optical component layer F2 is wound, and winds up the second optical component in the longitudinal direction of the second optical component layer F2. The layer F2; and the second recovery portion 15d collect the remaining portion of the second optical module layer F2 after passing through the second cutting device 16 on the downstream side of the panel of the nip roller 15b.

The nip roller 15b has a pair of bonding drums arranged in parallel with each other in the axial direction. A predetermined gap is formed between the pair of bonding rollers, and the gap is the bonding position of the second bonding device 15. The first single-sided bonding panel P11 and the second optical component layer F2 are superposed and introduced into the gap. The ranking A single-sided bonding panel P11 and a second optical component layer F2 are pinched between the bonding rollers and sent to the downstream side of the panel conveying. Thereby, the second bonding layer F22 in which the plurality of first single-sided bonding panels P11 are continuously bonded to the upper surface of the long second optical component layer F2 at a predetermined interval can be formed.

The second cutting device 16 is located on the downstream side of the panel conveyance of the nip roller 15b. Referring to FIGS. 2 and 5 together, the second cutting device 16 simultaneously cuts the second optical component layer F2 and the first optical component layer F1 of the first single-sided bonding panel P11 attached to the upper side thereof. Layer F1S. The second cutting device 16 is, for example, a carbon dioxide (CO ₂ ) laser cutting machine that cuts the second optical component layer without interruption along the outer periphery of the display region P4 (in the present embodiment, along the outer periphery of the liquid crystal panel P). F2 and the layer F1S of the first optical component layer F1. After bonding the optical component layers (the first optical component layer F1 and the second optical component layer F2) to the liquid crystal panel P and then cutting them together, the optical component layers (the first optical component layer F1 and the second optical component) can be improved. The accuracy of the optical axis direction of the component layer F2) can eliminate the deviation of the optical axis direction between the optical component layers (the first optical component layer F1 and the second optical component layer F2). Moreover, the cutting step in the first cutting device 13 can be simplified.

The second single-sided bonding panel P12 in which the first optical component F11 and the second optical component F12 are bonded to the lower surface of the liquid crystal panel P is formed by the cutting step of the second cutting device 16 (refer to FIG. 7). . Further, at this time, each of the optical components which are frame-shaped after the second single-sided bonding panel P12 and the opposite portion (the optical components F11 and the second optical component F12) of the cut display region P4 are left The remaining portions of the layers (the first optical component F1 and the second optical component F2) can be separated from each other. The remaining portion of the second optical component layer F2 may be in the form of a plurality of ladders connected (refer to FIG. 2), and the remaining portion is taken up to the second recovery portion 15d together with the remaining portion of the first optical component layer F1.

Here, the "opposing portion of the display region P4" refers to a region that is larger than the display region P4 and smaller than the outer shape of the liquid crystal panel P, and avoids a functional portion such as an electronic component mounting portion. In the present embodiment, in the liquid crystal panel P having a rectangular outer shape in plan view, the remaining portions are cut off by laser along the outer periphery of the liquid crystal panel P at three sides other than the functional portion. Further, on the one side of the functional portion, the remaining portion is cut by laser from a position far from the outer periphery of the liquid crystal panel P toward the display region P4 side.

Referring to Fig. 1, the third calibration device 17 reverses the front/reverse side of the second single-sided bonding panel P12 on the display side of the liquid crystal panel P toward the upper side, so that the backlight side of the liquid crystal panel P faces the upper side, and performs The first calibration device 11 and the second calibration device 14 are identically calibrated. That is, the third calibration device 17 determines the component width direction of the second single-sided bonding panel P12 with respect to the third bonding device 18 based on the optical axis direction inspection data stored in the control device 20 and the imaging data of the camera C. And the position in the direction of rotation. In this state, the second single-sided bonding panel P12 is guided to the bonding position of the third bonding device 18.

As shown in FIGS. 1 and 10, the third bonding apparatus 18 includes a conveying device 19 which is a third material from which a third optical component layer F3 and a separated layer sheet SS overlapping the same are wound. The roll cylinder R3 winds up and transports the third optical component layer F3 and the separation layer sheet SS, and cuts the third optical component F13 from the third optical component layer F3 to be supplied to the bonding position; and the nip roller 21 The upper side of the third optical component F13 cut out from the third optical component layer F3 by the transport device 19 is attached to the lower side of the second single-sided bonding panel P12 conveyed by the roller conveyor 5 (the display surface of the liquid crystal panel P) side).

The conveying device 19 continuously conveys the plurality of third optical modules F13 by using the separation layer sheet SS as a carrier. The third optical component layer F3 and the separation layer sheet SS have a width corresponding to the display region P4 of the liquid crystal panel P in the width direction of the member (corresponding to the overall width of the display region P4 in the present embodiment, and the entire liquid crystal panel P) A strip of width below the width). The separation layer sheet SS is overlapped and separably bonded to the third optical component layer F3 (third optical component F13). Below, the separation layer The combination of the sheet SS and the third optical component layer F3 is referred to as a third optical component layer body F3S.

The conveying device 19 is provided with a drum holding portion 19a (winding portion) for holding the third roll drum R3 and for the third optical direction from the third roll drum R3 along the longitudinal direction of the third optical module layer F3S The component layer body F3S is rolled out; the singular or plural (only one of which is shown) guide roller 19b guides the third optical component layer body F3S that is unwound from the third roll drum R3 along a specific layer transport path to The bonding position of the third bonding apparatus 18 is wound along the separation layer SS side of the third optical component layer body F3S; the cutting device 19c (cutting section) is the third optical on the layer conveying path. The component layer body F3S performs half-cutting of the remaining lower separation layer sheet SS; the blade edge 19d winds the separation layer sheet SS side of the third optical component layer body F3S after the half-cut, at an acute angle, so that the third optical component F13 is separated from the separation layer The sheet SS is separated, and the third optical module F13 is supplied to the bonding position; and the separation layer sheet collecting portion 19e is taken up, and the separation layer sheet SS independently existing after passing through the blade edge 19d is taken up.

The roller holding portion 19a located at the starting point of the conveying device 19 and the separated layer collecting portion 19e located at the end of the conveying device 19 are, for example, driven in synchronization with each other. Thereby, the roller holding portion 19a winds up the third optical module layer body F3S in the conveying direction of the third optical module layer body F3S, and the separation layer sheet collecting portion 19e winds up the separated layer sheet SS which is uniquely existing after passing through the blade edge 19d. .

When the third optical component layer body F3S is wound up by a specific length, the cutting device 19c is in the width direction of the longitudinal direction (winding direction) of the vertical third optical component layer body F3S, and the residual separation layer SS is along the entire length. The width of the third optical component layer body F3S is cut (i.e., only the third optical component layer F3 is cut). The cutting device 19c transmits the tension in the third optical module layer body F3S, and adjusts the front and rear positions of the cutting blade without breaking the separation layer sheet SS.

At the third optical component layer body F3S after the cutting, a cutting line is formed on the entire width of the third optical component layer body F3S in the width direction.

Here, in the vicinity of the end portion before the blade edge 19d, at the portion on the upstream side of the panel conveyance near the bonding position of the third bonding device 18, the downstream side in the winding-out direction of the third optical module F13 in the portion is detected. The first detection camera 22 of the cut end. The detection data of the first detection camera 22 is transmitted to the control device 20. The control device 20 temporarily stops the transport device 19 when, for example, the first detecting camera 22 detects the downstream end of the third optical unit F13. Thereafter, when the first detecting camera 22 detects the time point of the downstream side end of the second single-sided bonding panel P12, the control device 20 drives the conveying device 19 to make the second single-sided bonding panel P12 and the third optical component F13. The bonding position to the third bonding device 18 can be simultaneously guided.

On the other hand, on the upstream side in the winding-out direction of the first detecting camera 22, at the portion on the downstream side of the cutting device 19c in the winding-out direction from the distance of one third optical component F13, the third optical component F13 is also detected. The second detecting camera 23 (detecting portion) that winds off the cutting end on the downstream side. The detection data of the second detection camera 23 is also transmitted to the control device 20. The control device 20 performs the third optical component layer F3 cutting step by, for example, the cutting device 19c, and then winds it out, and the second detecting camera 23 detects the cut end (the most upstream side of the third optical component layer F3). At the time of cutting the line), the conveying device 19 is temporarily stopped. At this time, the cutting step of the third optical component layer F3 is performed by the cutting device 19c. That is, the detection position along the second detection camera 23 (corresponding to the optical axis extension line of the second detection camera 23 in the third optical component layer F3) and the cutting position of the cutting device 19c (corresponding to the third optical component layer F3) The distance of the ply conveyance path between the front and rear positions of the cutting blade of the intermediate cutting device 19c corresponds to the length of the third optical component F13.

In the case where the third optical component F13 attached to, for example, the liquid crystal panel P of the same size is cut out, the cutting line is formed at equal intervals in the longitudinal direction of the third optical component layer body F3S. The third optical component layer F3 divides a plurality of partitions in the longitudinal direction by a plurality of cutting lines, The regions sandwiched by the adjacent pair of cutting lines in the longitudinal direction of the three optical component layers F3 are each a third optical component F13. The length of the third optical module F13 is equal to or greater than the entire length of the display region P4 in the present embodiment, and is equal to or less than the entire length of the liquid crystal panel P.

Further, the cutting device 19c is movable along the laminating conveyance path of the third optical module layer body F3S. Through this moving step, the distance between the detection position of the second detecting camera 23 and the cutting conveyance path between the cutting positions of the cutting device 19c is changed. The movement of the cutting device 19c is controlled by the control device 20, and when the distance of the third optical component F13 is rolled out after the cutting of the third optical component layer F3 by, for example, the cutting device 19c, the cutting end position is In the case of deviation from the designated position, the deviation is corrected by the movement of the cutting device 19c.

However, the cutting of the third optical unit F13 having a different length can also be performed by the movement of the cutting device 19c. Further, at least one of the cutting device 19c and the second detecting camera 23 may be moved upward in one of the laminating directions, whereby the correction or the length of the third optical unit F13 may be changed. Further, although the cutting device 19c and the second detecting camera 23 are close to each other, it is preferably supported by another frame in order to prevent the second detecting camera 23 from vibrating accompanying the movement of the cutting device 19c.

The blade edge 19d is disposed below the roller conveyor 5, and is formed to extend at least the entire width thereof in the width direction of the third optical component layer body F3S. The blade edge 19d is in sliding contact with the separation layer sheet SS side of the third optical component layer body F3S after the half cutting, and the separation layer sheet SS is wound around the acute angle.

When the third optical component layer body F3S is folded back at an acute angle of the blade edge 19d, the third optical component F13 is separated from the separation layer sheet SS. The blade 19d is disposed on the upstream side of the panel conveyance close to the nip roller 21. The third optical component F13 separated from the separation layer SS by the blade 19d is superposed on the lower side of the liquid crystal panel P conveyed by the roller conveyor 5, and is guided to a pair of bonding rollers of the nip roller 21. Between the tubes.

The nip roller 21 has a pair of bonding drums arranged in parallel with each other in the axial direction.

A predetermined gap is formed between the pair of bonding rollers, and the gap is the bonding position of the third bonding device 18. The second single-sided bonding panel P12 and the third optical component F13 are superposed and introduced into the gap. The second single-sided bonding panel P12 and the third optical component F13 are pinched between the bonding rollers and sent to the downstream side of the panel conveying. Thereby, the double-sided bonding panel P13 in which the third optical component F13 is bonded to the second single-sided bonding panel P12 can be formed (refer to FIG. 7).

The double-sided bonding panel P13 passes through the defect inspection device not shown in the drawing to check whether there is a defect (poor bonding or the like), and then conveys it to the downstream step for other processing.

Here, a general elongated optical film (corresponding to each optical component layer (first optical component layer F1, second optical component layer F2, and third optical component layer F3)) is a resin which is dyed by a dichroic dye. The film is stretched toward one axis, and the optical axis direction of the optical film is substantially the same as the extending direction of the resin film. However, regarding the optical axis of the optical film, the entire optical film is not the same, and there is a slight difference in the width direction of the optical film.

Therefore, in the case where a plurality of optical display members are to be bonded to the optical film in the width direction thereof, it is preferable to perform calibration of the optical display member in accordance with the optical axis direction of the optical film.

This is effective for suppressing the optical axis deviation of the optical display device unit, improving the color and contrast.

The optical film as a polarizing film is dyed with, for example, iodine or a dichroic dye in order to block light other than the light that vibrates in one direction. However, a peeling film or a protective film may be further laminated on the optical film.

The inspection device for inspecting the optical axis direction of the optical film is provided with a light source and a configuration The proximity position on the side of the positive/negative side of the optical film; and the analyzer are disposed at the approaching position on the other side of the front/back surface of the optical film, and are disposed on the opposite side of the light source. The analyzer receives the light that is illuminated from the light source and transmits through the optical film, and detects the intensity of the light to detect the optical axis of the optical film. The analyzer can be moved, for example, in the width direction of the optical film, and the optical axis can be detected at any position in the width direction of the optical film (the position selected according to the use conditions).

In the case of the present embodiment, the inspection data of each optical component layer (the first optical component layer F1, the second optical component layer F2, and the third optical component layer F3) obtained by the inspection apparatus is optical and axial. The longitudinal direction position and the width direction position of the component layers (the first optical component layer F1, the second optical component layer F2, and the third optical component layer F3) are stored in the memory of the control device 20 in association with each other. After inspection, each optical component layer (first optical component layer F1, second optical component layer F2, and third optical component layer F3) is taken up to form each roll drum (first roll roll R1, second Roller drum R2 and third roll drum R3). Hereinafter, each of the optical component layers (the first optical component layer F1, the second optical component layer F2, and the third optical component layer F3) may be collectively referred to as an optical component layer FX, and is bonded to each optical component layer (first optical component layer F1) The liquid crystal panel P of the second optical component layer F2 and the third optical component layer F3) and the single-sided bonding panels (the first single-sided bonding panel P11 and the second single-sided bonding panel P12) may be collectively referred to as an optical display. Part PX.

Here, the polarizing film constituting the optical component layer FX is, for example, a PVA film dyed by a dichroic dye, and is formed to extend toward one axis, and the thickness of the PVA film may be uneven or the dyeing of the dichroic dye may be uneven due to stretching. For example, there is a problem that the optical axis direction of the optical component layer FX in the width direction is different from the width direction.

In the present embodiment, the inspection data is distributed in accordance with the optical axis plane stored in each of the optical component layers FX of the control device 20, and the optical display member PX is bonded thereto. After the calibration, the optical display part PX is attached to the optical component layer FX.

Specifically, in the surface of the optical component layer FX where the optical display member PX is bonded, for example, the optical axis having the largest angle with respect to the designated reference axis (longitudinal axis, etc.) and the smallest optical axis are found, and each The axis obtained by dividing the angle generated by the optical axis serves as the average optical axis of the portion, and the optical display member PX is calibrated based on the axis.

With this configuration, even when the optical display member PX is attached at a position different from the width direction of the optical component layer FX, the optical axis direction deviation of the optical component layer FX with respect to the reference position of the optical display component PX can be suppressed, and the optical axis The tolerance can be almost 0° (tolerance is ±0.25°).

However, the optical axis direction can also be detected while the optical component layer FX is being unwound, and the optical display component PX can be calibrated based on the detected data. Further, the above various calibration methods are not limited to the case where the optical axis direction of the optical component layer FX is 0° and 90°, and may be applied to any angle (the angle corresponding to the purpose of the optical display member).

Further, Fig. 3 is an example in which three optical display members PX are attached in parallel in the width direction of the relatively wide optical component layer FX. The present invention is not limited to the example shown in FIG. 3, and two or more optical display members PX may be laminated in parallel in the width direction of the optical component layer FX, and a relatively narrow optical component may be used. The layers FX are arranged in plural in the width direction and are respectively attached to the optical display part PX.

Referring to Fig. 4, the liquid crystal panel P includes a first substrate P1 which is, for example, a rectangular substrate formed of a TFT substrate, and a second substrate P2 which is a rectangular substrate of the same shape disposed to face the first substrate P1; The liquid crystal layer P3 is sealed between the first substrate P1 and the second substrate P2. However, for convenience of illustration, the cross-sectional lines of the respective layers in the cross-sectional view are omitted.

Referring to FIG. 6, the first substrate P1 is such that three sides of the outer periphery of the first substrate P1 are provided. The three sides of the second substrate P2 are disposed, and one of the remaining sides of the outer periphery extends to the outer side of one of the corresponding sides of the second substrate P2. Thereby, the electronic component mounting portion P5 extending to the outside of the second substrate P2 is provided at one side of the first substrate P1.

Referring to Fig. 5, the second cutting device 16 detects the outer periphery of the display region P4 by a detecting tool such as the camera 16a, and cuts the first optical component layer F1 and the second optical component layer F2 along the outer periphery of the display region P4 or the like. A frame portion G having a specific width for providing a sealant or the like for joining the first substrate P1 and the second substrate P2 is provided on the outer side of the display region P4, and the second cutting device 16 performs the thunder within the width of the frame portion G. Shot cut.

As shown in Fig. 9, when the optical component layer FX made of resin is laser-cut, the cut end t of the optical component layer FX may expand or wavy due to thermal deformation. Therefore, when the optical component layer FX after the laser cutting is bonded to the optical display member PX, the optical component layer FX is liable to cause a problem of poor adhesion such as air mixing or deformation.

On the other hand, in the embodiment in which the optical component layer FX is bonded to the liquid crystal panel P and the optical component layer FX is cut by the laser as shown in FIG. 8, the cut end t of the optical component layer FX is subjected to The glass surface of the liquid crystal panel P is supported. Therefore, the cut end t of the optical component layer FX does not swell or wavy, and after the bonding of the liquid crystal panel P is performed, there is no problem of the above-described poor bonding.

In the case where the optical component layer FX is cut on the liquid crystal panel P, the vibration amplitude (tolerance) of the cutting line of the laser processing machine is smaller than the vibration amplitude of the cutting line of the cutting blade. Therefore, in the present embodiment, the width of the frame portion G can be made narrower than in the case where the optical module layer FX is cut by the cutting blade, and the size of the liquid crystal panel P can be reduced and/or the display area P4 can be made large. Chemical. Such an optical component layer can be applied to a smart mobile phone or a tablet terminal in recent years, and a high-performance mobile device that needs to enlarge a display screen under the limitation of the size of the casing.

Here, in the case where the layer in which the optical component layer FX is integrated in the display region P4 of the liquid crystal panel P is cut, and then transported to another production line and bonded to the liquid crystal panel P, the layer and the liquid crystal panel P are each The dimensional tolerances and the dimensional tolerances of the relative bonding positions of the layer and the liquid crystal panel P are superimposed, so that it is difficult to reduce the width of the frame portion G of the liquid crystal panel P (it is difficult to enlarge the display area).

On the other hand, in the case where the optical component layer FX is bonded to the liquid crystal panel P and cut in accordance with the display region P4, it is only necessary to consider the vibration tolerance of the cutting line, and the tolerance of the width of the frame portion G can be reduced (±0.1 mm). the following). This feature also makes it possible to narrow the width of the frame portion G of the liquid crystal panel P (which can enlarge the display area).

Further, the optical component layer FX on the liquid crystal panel P is cut by a non-profit laser, and no force is applied to the liquid crystal panel P during the cutting, so that the edge portion of the substrate of the liquid crystal panel P is less likely to be cracked or broken. To improve the durability of thermal cycles and the like. Similarly, since the liquid crystal panel P is not touched, damage to the electronic component mounting portion P5 is also small.

Further, the third bonding device 18 cuts the strip-shaped third optical component layer F3 having a width corresponding to the display region P4 to a specific length to form the third optical component F13. The third bonding apparatus 18 conveys the third optical component F13 together with the separation layer sheet SS, and bonds the same to the second single-sided bonding panel P12 in the production line in which the cutting is performed. Therefore, the influence of the dimensional deviation or the fit of the third optical component F13 can be suppressed as compared with the case where the polarizing plate processed to conform to the display region P4 is transported to another production line.

As shown in Fig. 6, when the optical component layer FX (the second optical component layer F2 in Fig. 6) is cut by laser, for example, the extension line of one of the long sides of the display region P4 is set as the laser cutoff. The starting point pt1 starts the cutting operation of the long side from the starting point pt1. Laser cutoff end point pt2 It is designed to reach the position on the extension line of the short side of the starting point side of the display area P4 after the laser surrounds the display area P4 one turn. The starting point pt1 and the end point pt2 are designed such that the remaining portion of the optical component layer FX still retains a specific splicing portion and can withstand the tension when the optical component layer FX is taken up.

As described above, the production system of the optical display device in the above embodiment is produced as an optical display device in which the optical components (the first optical component F11, the second optical component F12, and the third optical component F13) are attached to the liquid crystal panel P. The film bonding system 1 constituting a part of the system includes a bonding device (the first bonding device 12 and the second bonding device 15) and a plurality of optical display members that are transported along the roller conveyor 5 The PX has a strip-shaped optical component layer (the first optical component layer F1 and the second optical component layer F2) having a width wider than the width of the display region P4 of the liquid crystal panel P in the member width direction of the vertical optical display member PX. Rolled out from the roll drum (the first roll roll R1 and the second roll roll R2), and the first side of the second optical component layer F2 and the plurality of liquid crystal panels P (the front side and the back side side) The first optical component layer F1 is sequentially attached to the first optical component layer F1 to form a second bonding layer F22; the second cutting device 16 is an optical component layer (the first optical component layer F1) facing the display region P4. And the opposite portion of the second optical component layer F2) Cutting off the remaining portion outside the opposite portion, cutting an optical component (first optical component) having a size corresponding to the display region P4 from the optical component layer (the first optical component layer F1 and the second optical component layer F2) F11 and second optical component F12), and cutting a second single-sided bonding panel P12 from the second bonding layer F22, comprising a single liquid crystal panel P and an optical component overlapping the same (first optical component F11 and The second optical component F12); and the third bonding device 18 are opposite to the display area P4 in the width direction of the component with respect to the plurality of second single-sided bonding panels P12 transported along the roller conveyor 5. a strip-shaped third optical component layer F3 having a width is rolled out from the third roll cylinder R3 together with the separation layer SS, and each time the third optical component layer F3 is unwound to a length corresponding to the display area P4, Cutting the third optical component layer F3 in the width direction to form Having a third optical component F13 corresponding to the size of the display area P4, and then transporting the plurality of third optical components F13 with the separation layer SS as a carrier, and bonding the third optical component F13 to the second The second surface of the liquid crystal panel P of the single-sided bonding panel P12 (the opposite side of the first surface, the other side of the front side and the back side).

According to this configuration, the strip-shaped third optical component layer F3 having the width corresponding to the display region P4 is cut into a specific length to form the third optical component F13, which is separated by the separation layer together with the third optical component layer F3. The sheet SS is used as a carrier to transport the third optical component F13, and the third optical component F1 is bonded to the liquid crystal panel P in the production line in which the cutting is performed. Therefore, compared with the case where the polarizing plate processed to conform to the display region P4 is transported to another production line, the dimensional deviation or the fitting deviation of the third optical component F13 can be suppressed, and the frame portion G around the display region P4 can be reduced to achieve display. The expansion of the area and the purpose of miniaturization of the machine.

Moreover, the optical component layer (the first optical component layer F1 and the second optical component layer F2) bonded to the liquid crystal panel P is subjected to a cutting step, and the third optical component layer is cut off from the half of the residual separation layer SS. The F3 bonding step is combined to achieve the purpose of shortening the frame portion G and shortening the transport interval time.

Further, in the production system of the optical display device, the third bonding device 18 includes a roller holding portion 19a for winding the third optical component layer F3 together with the separation layer SS; the cutting device 19c The third optical component layer F3 is cut as the third optical component F13; the second detecting camera 23 is cut at a cutting position with respect to the third optical component layer F3, along the third The winding direction of the optical component layer F3 is spaced apart from the downstream side by a position corresponding to a distance of a third optical component F13, and the cutting line formed by the cutting is detected in the third optical component layer F3; and the control device 20, a distance from the cutting position to the downstream side of a third optical component F13 When the cutting line is detected at the detection position, the distance between the cutting position and the detection position is adjusted according to the position of the cutting line.

According to this configuration, the second detecting unit 23 of the third optical unit F13 is detected by the second detecting camera 23 located at a distance from the third optical unit F13 on the downstream side of the cutting position of the third optical unit layer F3. At the downstream side end, the third optical component layer F3 is cut by the cutting device 19c, and the third optical component F13 of a predetermined length can be obtained. Further, even if there is an error in the amount of unwinding of the third optical component layer F3, the error can be corrected (absorbed) by the relative movement of the cutting device 19c based on the detection data of the second detecting camera 23. Therefore, the accuracy of the length of the third optical component F13 can be ensured, and it can also correspond to the cutting of the third optical component F13 having a different length.

Here, in the production method of the optical display device of the above embodiment, the plurality of optical display members PX transported on the roller conveyor 5 are provided in the width direction of the member in the transport direction of the vertical optical display member PX. The liquid crystal panel P displays a strip-shaped optical component layer (the first optical component layer F1 and the second optical component layer F2) having a wider width of the region P4, from the roll drum (the first roll roll R1 and the second roll roll) R2) is rolled out, and the first surface of the second optical component layer F2 and the plurality of liquid crystal panels P are sequentially attached to the first optical component layer F1 to form a second bonding layer F22; The opposite portion of the optical component layer (the first optical component layer F1 and the second optical component layer F2) of the region P4 is cut off from the remaining portion outside the opposite portion, from the optical component layer (the first optical component layer F1) And the second optical component layer F2) cuts the optical component (the first optical component F11 and the second optical component F12) corresponding to the size of the display area P4, thereby cutting the second single side from the second bonding layer F22. Fitting panel P12, which comprises a single liquid crystal The panel P and the optical components (the first optical component F11 and the second optical component F12) overlapped therewith; the plurality of second single-sided bonding panels P12 transported on the roller conveyor 5 have a corresponding width in the component direction Strip-shaped third light having a width of the display area P4 The component layer F3 is rolled out from the third roll drum R3 together with the separation layer SS, and each time the third optical component layer F3 is rolled out to the length corresponding to the display area P4, the width direction is The third optical component layer F3 is cut to form a third optical component F13 having a size corresponding to the display area P4, and then the plurality of third optical components F13 are transported by using the separation layer SS as a carrier, and The third optical component F13 is attached to the second surface of the liquid crystal panel P of the second single-sided bonding panel P12.

In addition, Fig. 11 shows a modification of the film bonding system 1. In contrast to the configuration of Fig. 1, there is a difference between the first bonding device 12' in place of the first bonding device 12 and the first cutting device 13' in place of the first cutting device 13. In the other embodiments, the same components as those in the above-described embodiments are denoted by the same reference numerals, and their detailed description is omitted.

The first bonding device 12' is provided with a conveying device 12a' instead of the conveying device 12a. The conveying device 12a' has a first collecting portion 12e in addition to the roller holding portion 12c and the protective film collecting portion 12d, and is wound by the first cutting device 13' to be cut off. The remainder of the ladder-shaped first optical component layer F1.

The first cutting device 13' is located on the downstream side of the panel transport of the protective film collecting portion 12d, and on the upstream side of the panel transporting of the first collecting portion 12e, and cuts a larger layer from the first optical component layer F1 than the display region P4. To cut the first optical component layer F1. The first cutting device 13' is a laser processing machine similar to the second cutting device 16, and the first optical component layer F1 is cut without interruption along a predetermined side line outside the display region P4.

The first single-sided bonding panel P11 of the first optical component layer F1 having a larger surface than the display region P4 is bonded to the lower surface of the liquid crystal panel P by the cutting step of the first cutting device 13'. '. Further, at this time, the first single-sided bonding panel P11' and the first optical component having the ladder-shaped cutting residual The remaining portions of the layer F1 are separated from each other, and the remaining portion of the first optical component layer F1 is taken up to the first recovery portion 12e.

Further, Fig. 12 shows another modification of the film bonding system 1. In contrast to the configuration of Fig. 1, a difference between the third calibration device 17' and the third bonding device 18' in place of the third calibration device 17 and the third bonding device 18 is provided. In the other embodiments, the same components as those in the above-described embodiments are denoted by the same reference numerals, and their detailed description is omitted.

Compared with the third calibration device 17, the third calibration device 17' has a simpler structure, has no positive/negative reverse function of the panel, and has only the same calibration as the first calibration device 11 and the second calibration device 14. Features. That is, the third calibration device 17' determines the component width of the second single-sided bonding panel P12 with respect to the third bonding device 18' based on the optical axis direction inspection data stored in the control device 20 and the photographic data of the camera C. Position in the direction and direction of rotation. In this state, the second single-sided bonding panel P12 is guided to the bonding position of the third bonding apparatus 18'.

The third bonding device 18' is compared with the third bonding device 18 for the second side of the strip-shaped third optical component layer F3 that is guided to the bonding position, and is transported along the lower side thereof The upper side of the bonding panel P12 (the display surface side of the liquid crystal panel P) is bonded. The third bonding device 18' has the conveying device 19' and the nip roller 21', and has a structure in which the installation position of the conveying device 19 and the nip roller 21 is reversed. Thereby, the bonding surface of the third optical component layer F3 is directed downward, and adhesion of foreign matter such as scratches or dust with respect to the bonding surface can be suppressed.

However, the present invention is not limited to the above-described embodiments and modifications. For example, similarly to the third bonding apparatus 18', the positions of the first bonding apparatus 12 and the second bonding apparatus 15 may be reversed. Further, each of the bonding apparatuses provided such that the positions are turned upside down may be combined with the first bonding apparatus 12' and the first cutting apparatus 13' as appropriate. Furthermore, the first bonding device 12 and the second bonding device 15 may also be The third bonding device 18 has the same structure. This structure will be described in the second embodiment below.

(Second embodiment)

Hereinafter, a second embodiment of the present invention will be described with reference to the drawings. In the present embodiment, a film bonding system which is a part of a production system of an optical display device will be described.

In the second embodiment, the detailed description of the same component symbols as those in the first embodiment will be omitted.

Specifically, as described in detail below, in the film bonding system of the second embodiment, the bonding apparatus (the first bonding apparatus 112, the second bonding apparatus 115, and the third bonding apparatus 118) is disposed on the drum. Above the conveyor 105, the first cutting device 113 is disposed below the roller conveyor 105.

Fig. 13 is a view showing the schematic configuration of the film bonding system 101 of the present embodiment. In the film bonding system 101, a film-shaped optical component such as a polarizing film, a retardation film, or a brightness increasing film is bonded to a panel-shaped optical display member such as a liquid crystal panel or an organic electroluminescence panel. The film bonding system 101 manufactures an optical component bonding body including the optical display member and the optical component. In the film bonding system 101, a liquid crystal panel P is used as the optical display member. Each part of the film bonding system 101 is integrally controlled by a control device 120 (control unit) as an electronic control unit.

The film bonding system 101 conveys the liquid crystal panel P from the start position to the final position of the bonding step, for example, using a driving type roller conveyor 105 (production line), and sequentially applies a specific process to the liquid crystal panel P. The liquid crystal panel P is conveyed on the roller conveyor 105 in a horizontal state in which the front surface and the reverse surface thereof are horizontal.

However, the left side of the figure shows the upstream side of the transport direction of the liquid crystal panel P (hereinafter referred to as the upstream side of the panel transport), and the right side of the figure shows the downstream side of the transport direction of the liquid crystal panel P (hereinafter, referred to as The panel conveys the downstream side).

The liquid crystal panel used in the second embodiment is the same as the liquid crystal panel P of the above-described first embodiment (refer to FIGS. 5 and 6).

When the panel of the second calibration device 114 is transported to the upstream side, the short side of the display region P4 is caused to convey the liquid crystal panel P approximately in the direction of the transport direction, and when the panel of the second calibration device 114 is transported to the downstream side, the display is made. The long side of the region P4 conveys the liquid crystal panel P approximately in the seating direction of the conveying direction.

As shown in FIG. 13, the film bonding system 101 includes a first calibration device 111 for conveying the liquid crystal panel P from the upstream process to the upstream side of the panel conveyance of the roller conveyor 105, and performing calibration of the liquid crystal panel P. The first bonding device 112 (first bonding device) is disposed on the downstream side of the panel conveying of the first calibration device 111; the first cutting device 113 is disposed adjacent to the first bonding device 112; The second calibration device 114 is disposed on the downstream side of the panel transport of the first bonding device 112 and the first cutting device 113.

Further, the film bonding system 101 includes a second bonding device 115 (first bonding device) provided on the downstream side of the panel transportation of the second calibration device 114, and a second cutting device 116 (first time) The cutting device is disposed adjacent to the second bonding device 115; the third calibration device 117 is disposed on the downstream side of the panel conveying of the second bonding device 115 and the second cutting device 116; and the third bonding The device 118 (second bonding device) is disposed on the downstream side of the panel transport of the third calibration device 117.

The first calibration device 111 can hold the liquid crystal panel P and freely transport it in the vertical direction and the horizontal direction, and has a pair of cameras C that capture the end portions of the upstream and downstream sides of the panel transport of the liquid crystal panel P (refer to FIG. 15). ). The photographic data of the camera C is transmitted to the control device 120. The control device 120 starts the first according to the inspection data of the photographic data and the optical axis direction stored in advance. A calibration device 111. However, the second calibration device 114 and the third calibration device 117, which will be described later, also have a camera C, and the photographic data of the camera C is used for calibration.

The first calibration device 111 is controlled by the control device 120 to perform calibration of the liquid crystal panel P with respect to the first bonding device 112. At this time, the liquid crystal panel P determines the position in the horizontal direction (hereinafter referred to as the member width direction) of the vertical conveyance direction and the position in the rotation direction about the vertical axis (hereinafter, abbreviated as the rotation direction). In this state, the liquid crystal panel P is guided to the bonding position of the first bonding apparatus 112.

The first bonding apparatus 112 is attached to the lower side surface of the long-length first optical component layer F1 that is guided to the bonding position, and the upper surface (backlight side) of the liquid crystal panel P that is transported along the lower side thereof is bonded. The first bonding device 112 is provided with a conveying device 112a that winds the first optical component layer F1 from the first winding roller R1 around which the first optical component layer F1 is wound, and along the first optical component layer F1. The first optical component layer F1 is conveyed in the longitudinal direction; and the nip roller 112b is attached to the upper surface of the liquid crystal panel P conveyed by the roller conveyor 105 to the first optical component layer F1 conveyed by the conveying device 112a. side.

The conveying device 112a is provided with a roller holding portion 112c that supports the first roll drum R1 around which the first optical component layer F1 is wound, and winds up the first optical component along the longitudinal direction of the first optical component layer F1. The layer F1 and the protective film collecting portion 112d are a protective film pf which is superposed on the upper surface of the first optical component layer F1 and is unwound with the first optical component layer F1, and is transported downstream of the panel of the first bonding device 112. The side is recycled. The conveying device 112a is attached to the bonding position of the first bonding device 112, and is designed with a first optical component layer F1 conveying route, such that the first optical component layer F1 is attached to the bonding surface of the liquid crystal panel P facing downward. .

The nip roller 112b has a pair of bonding drums arranged in parallel with each other in the axial direction. A predetermined gap is formed between the pair of bonding rollers, and the gap is the bonding position of the first bonding device 112. The liquid crystal panel P and the first optical component layer F1 are superposed into the gap. The liquid crystal panel P and the first optical component layer F1 are pinched between the bonding rollers and sent to the downstream side of the panel conveying. Thereby, the first bonding layer F21 in which a plurality of liquid crystal panels P are continuously bonded to the lower side surface of the elongated first optical component layer F1 at a predetermined interval can be formed.

The first cutting device 113 is located on the downstream side of the panel conveyance of the protective film collecting portion 112d. Referring to FIGS. 4 and 5 together, the first cutting device 113 cuts the first optical component layer F1 of the first bonding layer F21 to be larger than the display region P4 (in the present embodiment, the liquid crystal panel P) The larger layer F1S is cut at the designated portion of the first optical component layer F1 (between the liquid crystal panels P juxtaposed in the transport direction) along the width direction of the member. However, the first cutting device 113 is not limited to use a cutting blade or use a laser cutting. Through the cutting step, the first single-sided bonding panel P11 having the layer F1S larger than the display region P4 is bonded to the upper surface of the liquid crystal panel P.

Referring to Fig. 13, the second aligning device 114 holds, for example, the first single-sided fitting panel P11 on the roller conveyor 105 and is rotated by 90° about the vertical axis. Thereby, the first single-sided bonding panel P11 conveyed in a direction slightly parallel to the short side of the display region P4 is conveyed in a direction slightly parallel to the long side of the display region P4. However, this turning step is a case where the optical axis direction of the other optical component layers bonded to the liquid crystal panel P is disposed at a right angle with respect to the optical axis direction of the first optical component layer F1.

The second calibration device 114 performs the same calibration as the first calibration device 111. That is, the second calibration device 114 determines the component width direction of the first single-sided bonding panel P11 with respect to the second bonding device 115 based on the inspection information stored in the optical axis direction of the control device 120 and the imaging data of the camera C. And the position in the direction of rotation. In this state, the first single-sided bonding panel P11 is guided to the bonding position of the second bonding apparatus 115.

The second bonding device 115 is directed to the lower side of the elongated second optical component layer F2 that is guided to the bonding position, and the first single-sided bonding panel P11 is transported along the lower side thereof (the backlight of the liquid crystal panel P) Side) for fitting. The second bonding device 115 is provided with a conveying device 115a that winds the second optical component layer F2 from the second reel roller R2 around which the second optical component layer F2 is wound, and along the second optical component layer F2. The second optical component layer F2 is conveyed in the longitudinal direction; and the nip roller 115b is attached to the upper side of the first single-sided bonding panel P11 conveyed by the roller conveyor 105 to the second optical component conveyed by the conveying device 115a. The lower side of layer F2.

The conveying device 115a is provided with a roller holding portion 115c that supports the second roll drum R2 around which the second optical component layer F2 is wound, and winds up the second optical component in the longitudinal direction of the second optical component layer F2. The layer F2 and the second recovery portion 115d recover the remaining portion of the second optical module layer F2 after being transported by the second cutting device 116 on the downstream side of the panel of the nip roller 115b. The conveying device 115a is attached to the bonding position in the second bonding device 115, and is designed with a second optical component layer F2 conveying route, such that the second optical component layer F2 is attached to the first single-sided bonding panel P11. The fitting surface faces downward.

The nip roller 115b has a pair of bonding drums arranged in parallel with each other in the axial direction. A predetermined gap is formed between the pair of bonding rollers, and the gap is the bonding position of the second bonding device 115. The first single-sided bonding panel P11 and the second optical component layer F2 are superposed and introduced into the gap. The first single-sided bonding panel P11 and the second optical component layer F2 are pinched between the bonding rollers and sent to the downstream side of the panel conveying. Thereby, the second bonding layer F22 in which the plurality of first single-sided bonding panels P11 are continuously bonded to the lower side surface of the long second optical component layer F2 at a predetermined interval can be formed.

The second cutting device 116 is located on the downstream side of the panel conveyance of the nip roller 115b. Referring to Figures 14 and 5 together, the second cutting device 116 simultaneously cuts the second optical component layer F2 and The layer F1S of the first optical component layer F1 of the first single-face bonding panel P11 attached to the lower side thereof. The second cutting device 116 has the same configuration as the second cutting device 16 of the first embodiment. By using the second cutting device 116, the accuracy of the optical axis direction of each optical component layer (the first optical component layer F1 and the second optical component layer F2) can be improved, and each optical component layer (the first optical component layer F1 can be eliminated) The deviation of the optical axis direction between the second optical component layer F2) and the cutting step in the first cutting device 113 can be simplified.

The second single-sided bonding panel P12 in which the first optical component F11 and the second optical component F12 are bonded to each other on the upper surface of the liquid crystal panel P by the cutting step of the second cutting device 116 (refer to FIG. 7) ). Further, at this time, each of the optical components which are frame-shaped after the second single-sided bonding panel P12 and the opposite portion (the optical components F11 and the second optical component F12) of the cut display region P4 are left The remaining portions of the layers (the first optical component layer F1 and the second optical component layer F2) can be separated from each other. The remaining portion of the second optical component layer F2 may be in the form of a plurality of ladders (refer to Fig. 14) which are taken up to the second recovery portion 115d together with the remaining portion of the first optical component layer F1.

Referring to Fig. 13, the third calibration device 117 reverses the front/reverse side of the second single-sided bonding panel P12 on the backlight side of the liquid crystal panel P toward the upper side, so that the display surface side of the liquid crystal panel P faces the upper side, The first calibration device 111 and the second calibration device 114 are identically calibrated. That is, the third calibration device 117 determines the width direction of the member of the second single-sided bonding panel P12 of the third bonding device 118 based on the optical axis direction inspection data stored in the control device 120 and the imaging data of the camera C. The position in the direction of rotation. In this state, the second single-sided bonding panel P12 is guided to the bonding position of the third bonding apparatus 118.

As shown in Fig. 13 and Fig. 16, the third bonding apparatus 118 is provided with a conveying device 119 which is a third winding which is wound with the third optical component layer F3 and the separated layer sheet SS overlapping therewith. The roller R3 winds up and transports the third optical component layer F3 and the separation layer SS, and from the third optical The component layer F3 cuts out the third optical component F13 to be supplied to the bonding position; and the nip roller 121 attaches the lower side of the third optical component F13 cut out by the conveying device 119 from the third optical component layer F3 to the roller The upper side of the second single-sided bonding panel P12 conveyed by the conveyor 105 (the display surface side of the liquid crystal panel P).

Similarly to the transport device 19 of the first embodiment, the transport device 119 continuously transports a plurality of third optical modules F13 with the separation layer SS as a carrier. The conveying device 119 includes a drum holding portion 119a (winding portion) for holding the third roll drum R3 and third from the third roll drum R3 along the longitudinal direction of the third optical unit layer body F3S The optical component layer body F3S is rolled out; the singular or plural (only one of which is shown) guide roller 119b guides the third optical component layer body F3S which is rolled out from the third roll drum R3 along a specific layer transport path. The bonding position to the third bonding apparatus 118 is wound along the separation layer SS side of the third optical component layer body F3S; the cutting device 119c (cutting section) is the third on the layer conveying route. The optical component layer body F3S performs half-cutting of the remaining lower separation layer sheet SS; the blade edge 119d is wound at an acute angle along the side of the separation layer sheet SS of the third optical component layer body F3S after the half-cut, so that the third optical component F13 Separating from the separation layer sheet SS, the third optical module F13 is supplied to the bonding position; and the separation layer sheet collecting portion 119e is taken up, and the separation layer sheet SS which is uniquely formed after passing through the blade edge 119d is taken up.

The roller holding portion 119a located at the starting point of the conveying device 119 and the separated layer collecting portion 119e located at the end of the conveying device 119 are, for example, driven in synchronization with each other. Thereby, the roller holding portion 119a winds up the third optical module layer body F3S in the conveying direction of the third optical module layer body F3S, and the separation layer sheet collecting portion 119e winds up the separated layer sheet SS which is independently present after passing through the blade edge 119d. .

When the third optical component layer body F3S is wound up by a specific length, the cutting device 119c is in the width direction of the longitudinal direction (winding direction) of the vertical third optical component layer body F3S, and the residual separation layer is The third optical component layer body F3S is cut along the entire width of the SS (i.e., only the third optical component layer F3 is cut). The cutting device 119c transmits the tension in the third optical module layer body F3S, and adjusts the front and rear positions of the cutting blade without breaking the separation layer sheet SS.

At the third optical module layer body F3S after the cutting step, a cutting line is formed on the entire width in the width direction of the third optical module layer body F3S.

Here, in the vicinity of the end portion before the cutting edge 119d, at the portion on the upstream side of the panel conveyance near the bonding position of the third bonding device 118, the downstream side in the winding-out direction of the third optical component F13 in the portion is detected. The first detection camera 122 of the cut end. The detection data of the first detection camera 122 is transmitted to the control device 120. The control device 120 temporarily stops the transport device 119 when, for example, the first detecting camera 122 detects the time point of the downstream side end of the third optical unit F13. Then, when the first detecting camera 122 detects the time point of the downstream side end of the second single-sided bonding panel P12, the control device 120 drives the conveying device 119, and the second single-sided bonding panel P12 and the third optical component F13 can be The bonding position to the third bonding device 118 is synchronously guided.

On the other hand, on the upstream side in the winding-out direction of the first detecting camera 122, at the portion on the downstream side of the cutting device 119c in the winding-out direction from the third optical component F13, the third optical component F13 is also detected. The second detecting camera 123 that winds off the cutting end on the downstream side. The detection data of the second detection camera 123 is also transmitted to the control device 120. The control device 120 performs the third optical module layer F3 cutting step by, for example, the cutting device 119c, and then winds it off, and the second detecting camera 123 detects the cut end (the most upstream side of the third optical component layer F3). At the time of cutting the line), the conveying device 119 is temporarily stopped. At this time, the cutting step of the third optical component layer F3 is performed by the cutting device 119c. That is, along the detection position of the second detection camera 123 (corresponding to the optical axis extension line of the second detection camera 123 in the third optical component layer F3) and the cutting position of the cutting device 119c (equivalent to the The distance of the ply conveyance path between the cutting blade front and rear positions of the cutting device 119c in the three optical component layers F3 corresponds to the length of the third optical component F13.

Further, the cutting device 119c is movable along the layer transport path of the third optical module layer body F3S. Through this moving step, the distance between the detection position of the second detecting camera 123 and the cutting conveyance path between the cutting positions of the cutting device 119c is changed. The movement of the cutting device 119c is controlled by the control device 120, and when the distance of the third optical component F13 is rolled out after the cutting of the third optical component layer F3 by, for example, the cutting device 119c, the cutting end position is In the case of deviation from the designated position, the deviation is corrected by the movement of the cutting device 119c.

However, the cutting of the third optical unit F13 having a different length can also be performed by the movement of the cutting device 119c. Further, at least one of the cutting device 119c and the second detecting camera 123 may be moved upward in one of the laminating directions, whereby the correction or the length of the third optical unit F13 may be changed. Further, although the cutting device 119c and the second detecting camera 123 are close to each other, it is preferably supported by another frame in order to prevent the second detecting camera 123 from vibrating accompanying the movement of the cutting device 119c.

The blade 119d is disposed above the roller conveyor 105, and the third optical component layer body F3S is formed to extend at least to the entire width thereof in the width direction. The blade edge 119d is in sliding contact with the separation layer sheet SS side of the third optical component layer body F3S after the half cutting, and the separation layer sheet SS is wound around the acute angle.

When the third optical component layer body F3S is folded back at an acute angle of the blade edge 119d, the third optical component F13 is separated from the separation layer sheet SS. The blade 119d is disposed on the upstream side of the panel conveyance close to the nip roller 121. The third optical component F13 separated from the separation layer sheet SS by the blade 119d is superposed on the upper side surface of the liquid crystal panel P conveyed by the roller conveyor 105, and is guided to one of the nip rollers 121. Between the fit rollers.

The nip roller 121 has a pair of bonding drums arranged in parallel with each other in the axial direction. A predetermined gap is formed between the pair of bonding rollers, and the gap is the bonding position of the third bonding device 118. The second single-sided bonding panel P12 and the third optical component F13 are superposed and introduced into the gap. The second single-sided bonding panel P12 and the third optical component F13 are pinched between the bonding rollers and sent to the downstream side of the panel conveying. Thereby, the double-sided bonding panel P13 in which the third optical component F13 is bonded to the second single-sided bonding panel P12 can be formed (refer to FIG. 7).

Similarly to the transport device 19 of the first embodiment, the double-sided bonding panel P13 passes through the defect inspecting device (not shown) to check whether there is a defect (a poor bonding or the like), and then transports it to the downstream step for other processing.

Further, similarly to the control device 20 of the first embodiment, in the case of the present embodiment, each of the optical component layers (the first optical component layer F1, the second optical component layer F2, and the third optical component) obtained by the inspection device The inspection data of the optical axis direction of the layer F3) is connected to the position of the longitudinal direction and the position of the width direction of each of the optical component layers (the first optical component layer F1, the second optical component layer F2, and the third optical component layer F3). Stored in the memory of the control device 120. Further, in the same manner as in the first embodiment described above, after the inspection, each of the optical component layers (the first optical component layer F1, the second optical component layer F2, and the third optical component layer F3) is wound up to form each roll roller. (First roll drum R1, second roll roll R2, and third roll roll R3).

In the present embodiment, similarly to the control device 20 of the first embodiment, the inspection data is distributed in the optical axis plane stored in each of the optical component layers FX of the control device 120, and the optical display member PX bonded thereto is bonded. After the calibration, the optical display part PX is attached to the optical component layer FX. Thereby, the same effects as those of the first embodiment are obtained.

Further, Fig. 15 is an example in which three optical display members PX are juxtaposed in the width direction of the relatively wide optical component layer FX, and the present invention is not limited thereto, and may be juxtaposed in the width direction of the optical component layer FX. Two or less or four or more optical display members PX are bonded to each other, and a relatively narrow optical component layer FX may be arranged in plural in the width direction, and each of the optical display members PX may be attached.

Referring to Fig. 5, the second cutting device 116 detects the outer periphery of the display region P4 by a detecting tool such as the camera 116a, and cuts the first optical component layer F1 and the second optical component layer F2 along the outer periphery of the display region P4 or the like. A frame portion G having a specific width for providing a sealant or the like for joining the first substrate P1 and the second substrate P2 is provided on the outer side of the display region P4, and the second cutting device 116 is used for the width of the frame portion G. Shot cut.

By using the cutting device, the same effects as those of the first embodiment can be obtained (refer to Figs. 9 and 10).

Further, the third bonding device 118 cuts the strip-shaped third optical component layer F3 having a width corresponding to the display region P4 to a specific length to form the third optical component F13. The third bonding apparatus 118 conveys the third optical module F13 together with the separation layer sheet SS, and bonds the same to the second single-sided bonding panel P12 in the production line in which the cutting is performed. Therefore, the influence of the dimensional deviation or the fit of the third optical component F13 can be suppressed as compared with the case where the polarizing plate processed to conform to the display region P4 is transported to another production line.

As shown in Fig. 6, when the optical component layer FX (the second optical component layer F2 in Fig. 6) is cut by laser, for example, the extension line of one of the long sides of the display region P4 is set as the laser cutoff. The starting point pt1 starts the cutting operation of the long side from the starting point pt1. The end point of the laser cutting pt2 is designed to extend the short side of the starting point side of the display area P4 after the laser surrounds the display area P4. The location on the line. The starting point pt1 and the end point pt2 are designed such that the remaining portion of the optical component layer FX still retains a specific splicing portion and can withstand the tension when the optical component layer FX is taken up.

As described above, the production system of the optical display device in the above embodiment is produced as an optical display device in which the optical components (the first optical component F11, the second optical component F12, and the third optical component F13) are attached to the liquid crystal panel P. The film bonding system 1 constituting a part thereof includes a bonding device (the first bonding device 112 and the second bonding device 115), and is a plurality of optical display members that are transported along the roller conveyor 105. The PX has a strip-shaped optical component layer (the first optical component layer F1 and the second optical component layer F2) having a width wider than the width of the display region P4 of the liquid crystal panel P in the member width direction of the vertical optical display member PX. , rolling out from the roll drum (the first roll roll R1 and the second roll roll R2), and sequentially bonding the first surface of the second optical component layer F2 and the plurality of liquid crystal panels P to the first Sub-optical component layer F1 to form a second bonding layer F22; second cutting device 116 is a pair of optical component layers (first optical component layer F1 and second optical component layer F2) facing the display region P4 To the part, to the outside of the opposite part The remaining portion is cut, and the optical component (the first optical component F11 and the second optical component F12 having the size corresponding to the display area P4 is cut out from the optical component layer (the first optical component layer F1 and the second optical component layer F2) , the second single-sided bonding panel P12 is cut out from the second bonding layer F22, and includes a single liquid crystal panel P and optical components (the first optical component F11 and the second optical component F12) overlapping therewith; The third bonding device 118 is a plurality of second single-sided bonding panels P12 transported along the roller conveyor 105, and has a strip-shaped third optical corresponding to the width of the display region P4 in the width direction of the member. The component layer F3 is unwound from the third roll cylinder R3 together with the separation layer SS, and is wound in the width direction each time the third optical component layer F3 is wound out to the length corresponding to the display area P4. The optical component layer F3 is cut to form an optical component having a size corresponding to the display region P4 as the third optical component F13, and then, the separation layer SS A plurality of third optical components F13 are transported as a carrier, and the third optical component F13 is attached to the second surface of the liquid crystal panel P of the second single-sided bonding panel P12; wherein the optical component At the bonding position of the layer (the first optical component layer F1 and the second optical component layer F2) and the optical display component PX, the bonding device (the first bonding device 112 and the second bonding device 115) uses the optical The component layers (the first optical component layer F1 and the second optical component layer F2) are used to transport the optical component layer (the first optical component layer F1 and the second layer) so that the bonding surface of the optical display component PX faces downward. The optical component layer F2); and at the bonding position of the third optical component layer F3 and the second single-sided bonding panel P12, the third bonding device 118 is used for bonding with the third optical component layer F3. The third optical component layer F3 is transported such that the bonding surface of the second single-sided bonding panel P12 faces downward.

According to this configuration, the strip-shaped third optical component layer F3 having the width corresponding to the display region P4 is cut into a specific length to form the third optical component F13, which is separated by the separation layer together with the third optical component layer F3. The sheet SS is used as a carrier to transport the third optical component F13, and the third optical component layer F3 is bonded to the liquid crystal panel P in the production line in which the cutting is performed. Therefore, compared with the case where the polarizing plate processed to conform to the display region P4 is transported to another production line, the dimensional deviation or the fitting deviation of the third optical component F13 can be suppressed, and the frame portion G around the display region P4 can be reduced to achieve display. The expansion of the area and the purpose of miniaturization of the machine.

Moreover, the optical component layer (the first optical component layer F1 and the second optical component layer F2) bonded to the liquid crystal panel P is subjected to a cutting step, and the third optical component layer is cut off from the half of the residual separation layer SS. The F3 bonding step is combined to achieve the purpose of shortening the frame portion G and shortening the transport interval time.

Further, at the bonding position between the optical component layer FX and the optical display member PX, the bonding surface on the adhesive layer side is transported downward, so that the optical component layer can be suppressed. Scratches on the bonding surface of FX or adhesion of foreign matter can suppress the occurrence of poor bonding.

Further, the production system of the optical display device described above includes a third calibration device 117 for reversing the front/rear surface of the second single-sided bonding panel P12 conveyed on the roller conveyor 105, and is positive for the optical display member PX. On the opposite sides, the optical component layer FX can be easily attached from above.

Further, in the production system of the optical display device, the third bonding apparatus 118 includes a roller holding portion 119a for winding the third optical component layer F3 together with the separation layer SS; the cutting device 119c The third optical component layer F3 is cut to form the third optical component F13; the second detecting camera 123 is cut off at the third optical component layer F3, along the third The winding direction of the optical component layer F3 is spaced apart from the downstream side by a position corresponding to a distance of a third optical component F13, and the cutting line formed by the cutting is detected in the third optical component layer F3; and the control device 120. When the cutting line is detected from the cutting position to the detecting position at a distance of the third optical component F13 on the downstream side, the cutting position and the detecting position are adjusted according to the position of the cutting line. The distance between them.

According to this configuration, the second detecting unit 123 of the third optical unit F13 is detected by the second detecting camera 123 located at a distance from the third optical unit F13 on the downstream side of the cutting position of the third optical unit layer F3. At the downstream side end, the third optical component layer F3 is cut by the cutting device 119c, and the third optical component F13 of a predetermined length can be obtained. Further, even if there is an error in the winding amount of the third optical component layer F3, the error can be corrected (absorbed) by the relative movement of the cutting device 119c based on the detection data of the second detecting camera 123. Therefore, the accuracy of the length of the third optical component F13 can be ensured, and it can also correspond to the cutting of the third optical component F13 having a different length.

Here, the production method of the optical display device in the above embodiment has the following steps: a plurality of optical display members PX transported on the roller conveyor 105 are to be vertically optically displayed. The strip-shaped optical component layer (the first optical component layer F1 and the second optical component layer F2) having a wider width corresponding to the width of the liquid crystal panel P display region P4 in the component width direction of the component PX is from the roll drum ( The first roll drum R1 and the second roll roll R2) are rolled out, and the first surface of the second optical component layer F2 and the plurality of liquid crystal panels P are sequentially attached to the first optical component layer F1 to form a second a step of bonding the layer F22; cutting the opposite portion of the optical component layer (the first optical component layer F1 and the second optical component layer F2) facing the display region P4, and the remaining portion outside the opposite portion, An optical component (a first optical component F11 and a second optical component F12) having a size corresponding to the display area P4 is cut out from the optical component layer (the first optical component layer F1 and the second optical component layer F2), thereby The second bonding layer F22 cuts out the second single-sided bonding panel P12, which comprises a single liquid crystal panel P and optical components (the first optical component F11 and the second optical component F12) overlapping therewith; a plurality of second single-sided bonding surfaces conveyed on the conveyor 105 The plate P12, which has a strip-shaped third optical component layer F3 corresponding to the width of the display region P4 in the width direction of the member, is unwound from the third roll cylinder R3 and the separation layer SS, each time When the three optical component layers F3 are rolled out to the length corresponding to the display region P4, the third optical component layer F3 is cut in the width direction to form an optical component having a size corresponding to the display region P4 as the third optical The component F13, and then the plurality of third optical components F13 are transported by using the separation layer SS as a carrier, and the third optical component F13 is attached to the liquid crystal panel P of the second single-sided bonding panel P12. a step of two sides; wherein, at the bonding position of the optical component layer (the first optical component layer F1 and the second optical component layer F2) and the optical display component PX, the optical component layer (the first optical component) The layer F1 and the second optical component layer F2) are used to transport the optical component layer (the first optical component layer F1 and the second optical component F2) in such a manner that the bonding surface of the optical display component PX is directed downward; The third optical component layer F3 and the second single side At the bonding position of the bonding panel P12, the third optical component layer F3 is used to bond the bonding surface of the second single-sided bonding panel P12 downward. The third optical component layer F3 is conveyed.

In addition, Fig. 17 shows a modification of the film bonding system 101. In contrast to the configuration of Fig. 13, there is a difference between the first bonding device 112' replacing the first bonding device 112 and the first cutting device 113' replacing the first cutting device 113. In the other embodiments, the same components as those in the above-described embodiments are denoted by the same reference numerals, and their detailed description is omitted.

The first bonding device 112' is provided with a conveying device 112a' instead of the above-described conveying device 112a. The conveying device 112a' has a first collecting portion 112e in addition to the roller holding portion 112c and the protective film collecting portion 112d, and is wound up through the first cutting device 113' and is cut off. The remainder of the ladder-shaped first optical component layer F1.

The first cutting device 113' is located on the downstream side of the panel transport of the protective film collecting portion 112d, and the upstream side of the panel transporting portion of the first collecting portion 112e, and cuts a layer larger than the display region P4 from the first optical component layer F1. To cut the first optical component layer F1. The first cutting device 113' is a laser processing machine similar to the second cutting device 116, and the first optical component layer F1 is cut without interruption along a predetermined side line outside the display region P4.

By the cutting step of the first cutting device 113', the first single-sided bonding panel of the first optical component layer F1 which is formed on the upper surface of the liquid crystal panel P and which is larger than the display region P4 is bonded P11'. Moreover, at this time, the first single-sided bonding panel P11' is separated from the remaining portion of the first optical component layer F1 having the ladder-shaped residual shape, and the remaining portion of the first optical component layer F1 is taken up to the first Recovery unit 112e.

However, the present invention is not limited to the above-described embodiments and modifications, and the configurations of the first bonding device 112 and the second bonding device 115 may be the same as those of the third bonding device 118.

Next, the structures in the above-described embodiments and modifications are an example of the present invention, and Various changes are possible within the scope of the gist of the invention.

The preferred embodiments of the invention have been described above, and are illustrative of the invention and should not be construed as limiting. Additions, omissions, substitutions, and other modifications can be made without departing from the scope of the invention. Therefore, the invention should not be limited by the foregoing description, but by the scope of the claims.

5‧‧‧Roller conveyor

17‧‧‧ Third calibration device

18‧‧‧ Third bonding device

19‧‧‧Conveyor

19b‧‧‧Guide roller

19c‧‧‧cutting device

19d‧‧‧blade

21‧‧‧ pinch roller

22‧‧‧First inspection camera

23‧‧‧Second detection camera

F13‧‧‧ Third optical component

F3‧‧‧ third optical component layer

F3S‧‧‧ third optical component layer

P12‧‧‧First single-sided fitting panel

P13‧‧‧Second single-sided fitting panel

SS‧‧‧Separation layer

Claims (7)

A production system for an optical display device that attaches an optical component to an optical display component to form an optical display device, comprising: a first bonding device, which is a plurality of optical display components that are transported along a production line, which will be vertical a strip-shaped first optical component layer having a width wider than a width of the display portion of the optical display member in the width direction of the member in the conveying direction of the optical display member, being unwound from the first roll, and the plurality of optical display members The first surface is bonded to the first optical component layer to form a bonding layer; the first cutting device is to face the opposite portion of the first optical component layer of the display area, and the opposite direction The remaining portion of the outer portion is cut, and an optical component having a size corresponding to the display region is cut out from the first optical component layer as a first optical component, and the first optical component is cut out from the bonding layer. Fitted, comprising a single optical display component and a first optical component overlapping the single optical display component; and a second bonding device, relatively along the production line And sending a plurality of first optical component bonding bodies, and having a strip-shaped second optical component layer corresponding to the width of the display region in the width direction of the component, and the second winding roller and the separation layer are rolled together And, each time the second optical component layer is rolled out to a length corresponding to the display area, the second optical component layer is cut in a width direction to form a size corresponding to the display area. The optical component is used as the second optical component, and then the plurality of second optical components are transported by using the separation layer as a carrier, and the second optical component is attached to the first optical component bonding body. At the second side of the optical display member. The production system of an optical display device according to claim 1, wherein the second bonding device has: The winding portion is configured to roll out the second optical component layer together with the separation layer; the cutting portion cuts the second optical component layer to form the second optical component; the detecting portion, Positioning at a cutting position relative to the second optical component layer, in a winding direction of the second optical component layer, at a position corresponding to a distance of a second optical component toward the downstream side, And detecting, by the second optical component layer, the cutting line formed by the cutting; and the control unit detecting the position from the cutting position to the detecting position of the distance of the second optical component from the downstream side When the line is cut, the distance between the cut position and the detected position is adjusted according to the position of the cut line. A method of producing an optical display device for attaching an optical component to an optical display component to form an optical display device comprising: a plurality of optical display components that are transported relative to the production line, and components that will be oriented perpendicular to the optical display component a strip-shaped first optical component layer having a width wider than a width of the display portion of the optical display member in the width direction, being rolled out from the first roll, and bonding the first face of the plurality of optical display members to the a step of first optical component layer to form a bonding layer; and a facing portion of the first optical component layer facing the display region, and a remaining portion outside the opposite portion, from the first optical The component layer cuts an optical component having a size corresponding to the display area as a first optical component, and cuts a first optical component bonding body from the bonding layer, which includes a single optical display component and overlaps the single a step of optically displaying the first optical component of the component; and a plurality of first optical component bonding bodies that are transported along the production line, will be in the a strip-shaped second optical component layer having a width corresponding to the width of the display region in the width direction, which is unwound from the second roll and the separation layer, and each time the second optical component layer is rolled up to Corresponding to this When the length of the display area is long, the second optical component layer is cut along the width direction to form an optical component having a size corresponding to the display area as a second optical component, and then the separation layer is used as a load. And a step of feeding the plurality of second optical components and attaching the second optical component to the second surface of the optical display component of the first optical component bonding body. A production system for an optical display device that attaches an optical component to an optical display component to form an optical display device, comprising: a first bonding device, which is a plurality of optical display components that are transported along a production line, which will be vertical a strip-shaped first optical component layer having a width wider than a width of the display region of the optical display member in the width direction of the member in the direction in which the optical display member is transported, being unwound from the first roll of the roll, and a plurality of optical displays a first surface of the component is attached to the first optical component layer to form a bonding layer; the first cutting device is a facing portion of the first optical component layer facing the display area, and the pair Cutting off the remaining portion of the outer portion, cutting an optical component having a size corresponding to the display region from the first optical component layer as the first optical component, and cutting the first optical component from the bonding layer a bonding body comprising a single optical display component and a first optical component overlapping the single optical display component; and a second bonding device, which is relatively along the production line And conveying a plurality of first optical component bonding bodies, wherein a strip-shaped second optical component layer corresponding to a width of the display region is disposed in a width direction of the component, and the second winding roller and the separation layer are rolled together And, each time the second optical component layer is rolled out to a length corresponding to the display area, the second optical component layer is cut in a width direction to form a size corresponding to the display area. The optical component is used as the second optical component, and then the plurality of second optical components are transported by using the separation layer as a carrier, and the second optical component is attached to the first optical component bonding body. Second side of the optical display unit Wherein, in the bonding position of the first optical component layer and the optical display component, the first bonding device uses the first optical component layer to fit the bonding surface of the optical display component; Carrying the first optical component layer downwardly; and at the bonding position of the second optical component layer and the first optical component bonding body, the second bonding device is the second time The optical component layer is configured to convey the second optical component layer in such a manner that the bonding surface of the first optical component bonding body faces downward. The production system of an optical display device according to claim 4, further comprising an inverting device that reverses a front/rear surface of the first optical component bonding body conveyed along the production line. The production system of an optical display device according to claim 4, wherein the second bonding device comprises: a winding portion, the second optical component layer and the separation layer The sheet is rolled out together; the cutting portion cuts the second optical component layer to form the second optical component; and the detecting portion is cut at a cutting position relative to the second optical component layer Along the direction in which the second optical component layer is wound out, at a position corresponding to a distance of a second optical component toward the downstream side, and the cutting formed by the cutting is detected in the second optical component layer And a control unit that adjusts the cutting position according to the position of the cutting line when the cutting line is detected from the cutting position at a detecting position at a distance from the downstream side of the second optical component; The distance between the detected locations. A method of producing an optical display device for attaching an optical component to an optical display component to form an optical display device comprises: a plurality of optical display components that are transported along a production line, which will be perpendicular to the optical display component a strip-shaped first optical component layer having a width wider than a width of the display portion of the optical display member in the width direction of the member in the conveying direction, being rolled out from the first roll of the roll, and the first face of the plurality of optical display members a step of bonding to the first optical component layer to form a bonding layer; cutting a facing portion of the first optical component layer facing the display region, and a remaining portion outside the opposing portion, from the The first optical component layer cuts an optical component having a size corresponding to the display area as a first optical component, and cuts a first optical component bonding body from the bonding layer, comprising a single optical display component and a step of overlapping the first optical component of the single optical display component; and a plurality of first optical component bonding bodies transported relative to the production line, having a width corresponding to the width of the display region in the width direction of the component a strip-shaped second optical component layer, which is unwound from the second roll cylinder and the separation layer, each time the second optical component layer is rolled out to correspond to the display area And cutting the second optical component layer in the width direction to form an optical component having a size corresponding to the display area as the second optical component, and then transporting the separation layer as a carrier a plurality of second optical components, and bonding the second optical component to the second surface of the optical display component of the first optical component bonding body; wherein, the first optical component layer is At the bonding position of the optical display member, the first optical component layer is transported in such a manner that the bonding surface of the first optical component layer for bonding the optical display component faces downward; and the second time The bonding position of the optical component layer and the first optical component bonding body is conveyed such that the bonding surface of the second optical component layer for bonding the first optical component bonding body faces downward Secondary optical component layer.