WO2014185097A1 - Detaching device and system for manufacturing optical display device - Google Patents
Detaching device and system for manufacturing optical display device Download PDFInfo
- Publication number
- WO2014185097A1 WO2014185097A1 PCT/JP2014/052060 JP2014052060W WO2014185097A1 WO 2014185097 A1 WO2014185097 A1 WO 2014185097A1 JP 2014052060 W JP2014052060 W JP 2014052060W WO 2014185097 A1 WO2014185097 A1 WO 2014185097A1
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- WIPO (PCT)
- Prior art keywords
- region
- sheet piece
- sheet
- bonding
- chuck
- Prior art date
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Classifications
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/1303—Apparatus specially adapted to the manufacture of LCDs
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/10—Removing layers, or parts of layers, mechanically or chemically
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H29/00—Delivering or advancing articles from machines; Advancing articles to or into piles
- B65H29/54—Article strippers, e.g. for stripping from advancing elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2457/00—Electrical equipment
- B32B2457/20—Displays, e.g. liquid crystal displays, plasma displays
- B32B2457/202—LCD, i.e. liquid crystal displays
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/02—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by a sequence of laminating steps, e.g. by adding new layers at consecutive laminating stations
- B32B37/025—Transfer laminating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/14—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers
- B32B37/16—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with all layers existing as coherent layers before laminating
- B32B37/18—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with all layers existing as coherent layers before laminating involving the assembly of discrete sheets or panels only
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/0004—Cutting, tearing or severing, e.g. bursting; Cutter details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2405/00—Parts for holding the handled material
- B65H2405/50—Gripping means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2801/00—Application field
- B65H2801/61—Display device manufacture, e.g. liquid crystal displays
Definitions
- the present invention relates to a peeling apparatus and an optical display device production system.
- This application claims priority based on Japanese Patent Application No. 2013-105584 filed on May 17, 2013, the contents of which are incorporated herein by reference.
- an optical member such as a polarizing plate to be bonded to a liquid crystal panel (optical display component) is formed from a long film into a sheet piece having a size matching the display area of the liquid crystal panel After being cut out, packed and transported to another line, it may be bonded to a liquid crystal panel (see, for example, Patent Document 1).
- An aspect of the present invention has been made in view of such circumstances, and an optical display device production system capable of enlarging the display area and downsizing the apparatus by reducing the frame portion around the display area, and It is an object of the present invention to provide a peeling apparatus that can be employed.
- the peeling apparatus which concerns on the 1st aspect of this invention has a 1st area
- the first region A peeling device for peeling the second region from the suction table, a suction table having a suction surface, a chuck portion capable of chucking the second region of the sheet piece, and the chuck portion to the first piece of the sheet piece.
- the second region of the sheet piece is separated from the first region of the sheet piece by moving the chuck portion and the suction table relative to each other in the normal direction of the suction surface while the two regions are chucked.
- the first region of the sheet piece is rectangular when viewed from the normal direction of the suction surface, and the chuck portion is the second part of the sheet piece. A portion of the region corresponding to two adjacent corners of the first region of the sheet piece is chucked, and the hitting portion of the first region of the sheet piece is the second region of the sheet piece. A corresponding portion may be hit between two adjacent corners.
- the suction table is configured such that the chuck portion includes the first piece of the sheet piece as viewed from the normal direction of the suction surface.
- a taper portion may be provided at a position where the two regions overlap with a portion to be chucked, and the chuck portion may chuck a portion of the sheet piece that protrudes from the taper portion.
- the optical display device production system is an optical display device production system configured by bonding an optical member to an optical display component, and displays the optical display component. While the belt-shaped optical member sheet having a width wider than the length of either one of the long side and the short side of the region is unwound from the original roll, the optical member sheet is placed between the long side and the short side of the display region.
- the optical display component A chucking table having a chucking surface, a chuck unit capable of chucking the second region of the sheet piece, and the chuck unit and the chucking table in a state where the second region of the sheet piece is chucked by the chuck unit.
- the “bonding surface” in the said structure refers to the surface facing the sheet piece of an optical display component, and specifically, “the outer periphery of a bonding surface” is a sheet piece in an optical display component. It refers to the outer peripheral edge of the bonded substrate.
- the “first region (part corresponding to the bonding surface)” of the sheet piece means that the outer shape (planar surface) of the optical display component is larger than the size of the display region of the optical display component facing the sheet piece. It is a region that is equal to or smaller than the size of the contour shape in view and that avoids functional parts such as electrical component mounting portions in the optical display component.
- the “size corresponding to the bonding surface” refers to a size not less than the size of the display area of the optical display component and not more than the size of the outer shape (contour shape in plan view) of the optical display component.
- the optical display device production system further includes a detection device that detects an outer peripheral edge of a bonding surface between the optical display component to which the sheet piece is bonded and the sheet piece.
- the cutting device may cut the sheet piece along an outer peripheral edge of the bonding surface between the optical display component and the sheet piece detected by the detection device.
- the optical display device production system according to (5) or (6) further includes a recovery unit that recovers the second region of the sheet piece peeled from the first region of the sheet piece.
- the moving device may move the second region of the sheet piece to the collection unit.
- the moving device includes an arm portion in which the chuck portion is formed at a tip portion, and a turning mechanism for turning the arm portion.
- the collection unit is disposed on the opposite side of the suction table across the pivot shaft of the arm unit, and the moving device is configured such that the second region of the sheet piece is chucked by the chuck unit. You may move said 2nd area
- an optical display device production system capable of reducing the frame area around the display area to enlarge the display area and downsizing the apparatus, and a peeling apparatus that can be used for the production system. it can.
- FIG. 1 is a perspective view showing a peeling apparatus 100 according to the first embodiment of the present invention.
- the peeling device 100 includes a suction table 110, a table moving device 112, and a chuck portion 120 (for example, two chuck portions (first chuck portion 121 and second chuck portion 122) in this embodiment).
- a hitting unit 130 for example, two hitting units (first hitting unit 131 and second hitting unit 132) in the present embodiment
- a moving device 140 for example, two hitting units (first hitting unit 131 and second hitting unit 132) in the present embodiment
- a control device 150 that performs overall control of these devices. ing.
- the suction table 110 has a suction surface 110s that sucks and holds the panel 103 (see FIG. 2).
- a plurality of suction holes 110h are formed in a lattice shape on the suction surface 110s.
- a power cable 111 of the suction table 110 is connected to the suction surface 110s.
- the panel 103 (see FIG. 2) is an optical display component such as a liquid crystal panel.
- a sheet piece 101 is bonded to the panel 103.
- the configuration of the sheet piece 101 according to the present embodiment will be described with reference to FIGS. 2 and 3.
- FIG. 2 is a plan view showing the arrangement relationship between the suction table 110 and the sheet piece 101.
- FIG. 3 is a side view showing the arrangement relationship between the suction table 110 and the sheet piece 101.
- the sheet piece 101 is a flexible sheet piece having a rectangular shape in plan view.
- the sheet piece 101 is bonded to a panel 103 having a rectangular shape in plan view by an adhesive layer 102 having a rectangular shape in plan view.
- the planar view size of the sheet piece 101 is the same as the planar view size of the adhesive layer 102 and is larger than the planar view size of the display area of the panel 103.
- the sheet piece 101 has a first area 101s1 that is rectangular in plan view and a second area 101s2 that is an area outside the first area 101s1.
- region 101s1 is a part corresponding to the bonding surface of the panel 103 and the sheet piece 101, and is a part utilized as a product.
- the second region 101s2 is a surplus portion outside the bonding surface.
- the “part corresponding to the bonding surface” is an area that is not less than the size of the display area and not more than the size of the outer shape of the panel 103 (contour shape in plan view), and functions such as an electrical component mounting portion. Indicates the area that avoids the part.
- the sheet piece 101 has the second region 101s2 separated from the first region 101s1 along the cutting line CL by the adhesive layer 102 provided on one surface side of the first region 101s1 and the second region 101s2. 101s2 is connected to the first region 101s1.
- the second area 101s2 is arranged along three sides of the panel 103.
- the cutting line CL is the same position as the outer shape of the panel 103 (excluding functional parts such as an electrical component mounting portion) or a position slightly inside the outer shape of the panel 103 and the same position as the display area of the panel 103 or the panel 103. It is formed at a position slightly outside the display area. Thereby, the whole 1st area
- the second region 101s2 is arranged along the three sides of the panel 103 as an example, but the present invention is not limited thereto.
- the second region 101s2 may be disposed along only one side of the panel 103, or may be disposed along two or four sides of the panel 103.
- the suction table 110 overlaps with a portion (for example, two portions 101a1 and 101a2 in this embodiment) of the second region 101s2 of the sheet piece 101 that is chucked by the chuck portion 120 when viewed from the normal direction of the suction surface 110s.
- a tapered portion 110t for example, two tapered portions 110t1 and 110t2 in the present embodiment.
- the chuck portion 120 chucks a portion 101a1 protruding from the tapered portion 110t1 in the second region 101s2 of the sheet piece 101.
- the chuck portion 120 chucks a portion 101 a 2 that protrudes from the tapered portion 110 t 2 in the second region 101 s 2 of the sheet piece 101.
- the chucked portion 101a1 of the second region 101s2 of the sheet piece 101 and the chucked portion 101a2 of the second region 101s2 of the sheet piece 101 are the first of the sheet piece 101 in the second region 101s2 of the sheet piece 101. This is a portion corresponding to two adjacent corners of the region 101s1.
- the chucked portion 101a1 of the second region 101s2 of the sheet piece 101 is referred to as a first corner portion 101a1, and the chucked portion 101a2 of the second region 101s2 of the sheet piece 101 is referred to as a second corner portion 101a2.
- first corner portion 101a1 the chucked portion 101a1 of the second region 101s2 of the sheet piece 101
- second corner portion 101a2 the chucked portion 101a2 of the second region 101s2 of the sheet piece 101.
- 1st taper part 110t1 is arrange
- FIG. The second tapered portion 110t2 is disposed at a position overlapping the second corner portion 101a2 of the sheet piece 101.
- Each of the 1st taper part 110t1 and the 2nd taper part 110t2 is formed by notching the corner
- the panel 103 is installed on the tip side (the side where the tapered portion 110t is formed) of the suction table 110, and for the large panel 103, the rear of the suction table 110.
- the amount of protrusion of the first corner portion 101a1 and the second corner portion 101a2 from the first taper portion 110t1 and the second taper portion 110t2 can be reduced. It can be a certain amount. In other words, even panels of different sizes can accommodate panels of various sizes so that the amount of protrusion is constant.
- a camera When placing the panel 103 on the suction table 110, a camera is installed above the transport path of the panel 103 or above the suction table 110 from the viewpoint of improving the positional accuracy of the panel 103 so that the amount of protrusion is constant. be able to. For example, by causing the camera to recognize an alignment mark attached to the panel 103, detecting the posture of the panel 103, and placing the panel 103 on the suction table 110 while observing the position of the panel, the amount of protrusion is set to a constant amount. can do.
- the table moving device 112 moves the suction table 110 along a first direction V1 parallel to the suction surface 110s.
- the table moving device 112 includes a guide rail 113 that extends along the first direction V ⁇ b> 1 and a moving unit 114 that can move along the guide rail 113.
- the suction table 110 is attached to the side of the moving unit 114 opposite to the guide rail 113 side.
- the first chuck portion 121 can chuck the second region 101s2 of the sheet piece 101 with a mechanical force.
- the first chuck portion 121 chucks the first corner portion 101 a 1 of the sheet piece 101.
- the second chuck portion 122 chucks the second corner portion 101a2 of the sheet piece 101.
- the first chuck portion 121 includes a first grip portion 123, a second grip portion 124, and a piston / cylinder mechanism 125.
- a power cable 126 of the first chuck unit 121 is connected to the piston / cylinder mechanism 125.
- the first grip portion 123 is L-shaped and includes a sheet piece support portion 123a and a column portion 123b.
- the sheet piece support portion 123a supports one surface of the second region 101s2 of the sheet piece 101.
- the sheet piece support part 123 a is disposed to face the second grip part 124.
- a piston / cylinder mechanism 125 is attached to one surface of the column portion 123b, and a first hitting portion 131 (piston / cylinder mechanism 134) is attached to the other surface of the column portion 123b.
- the second grip 124 is connected to the piston / cylinder mechanism 125.
- the piston / cylinder mechanism 125 holds the second grip 124 slidably. Specifically, the piston / cylinder mechanism 125 moves the second grip 124 along a second direction V2 (normal direction of the suction surface 110s) perpendicular to the suction surface 110s.
- FIG. 4 is a perspective view showing a state in which the first chuck portion 121 is opened.
- FIG. 5 is a perspective view showing a state in which the first chuck portion 121 is closed.
- the piston / cylinder mechanism 125 moves the second grip portion 124 in the second direction V2. And move it up along. If it does so, the 1st holding part 123 and the 2nd holding part 124 will be arranged apart. As a result, the first chuck unit 121 is in an open state so that the second region 101s2 of the sheet piece 101 can be chucked in the initial state before the second region 101s2 of the sheet piece 101 is chucked.
- the piston / cylinder mechanism 125 moves the second grip portion 124 downward along the second direction V2. Move to. If it does so, the sheet piece support part 123a and the 2nd holding part 124 will be arrange
- the piston / cylinder mechanism 125 is in an open state before the first chuck portion 121 chucks the second region 101s2 of the sheet piece 101, and the first chuck portion 121 opens the second region 101s2 of the sheet piece 101. Adjust the closed state when chucked.
- the first hitting portion 131 can hit the second region 101s2 of the sheet piece 101 from above with a mechanical force.
- the first hit portion 131 hits a portion between the first corner portion 101a1 and the second corner portion 101a2 in the second region 101s2 of the sheet piece 101.
- the first hitting portion 131 is the second region 101 s 2 of the sheet piece 101 attached to the first chuck portion 121 by the adhesive layer 102 in a state where the chuck of the second region 101 s 2 of the sheet piece 101 by the first chuck portion 121 is released.
- the second region 101s2 of the sheet piece 101 is separated from the first chuck portion 121 by hitting from above.
- the first hitting part 131 includes a peeler 133 and a piston / cylinder mechanism 134.
- a power cable 135 of the first hitting portion 131 is connected to the piston / cylinder mechanism 134.
- the peeler 133 has a rectangular frame shape.
- the plan view size of the peeler 133 is larger than the plan view size of the sheet piece support portion 123a.
- the peeler 133 is connected to the piston / cylinder mechanism 134.
- a wire can be used as the peeler 133.
- the piston / cylinder mechanism 134 holds the peeler 133 slidably. Specifically, the piston / cylinder mechanism 134 moves the peeler 133 along the second direction V2.
- FIG. 6 is a perspective view showing a state in which the peeler 133 is positioned above.
- FIG. 7 is a perspective view showing a state in which the peeler 133 is positioned below.
- the piston / cylinder mechanism 134 moves the peeler 133 upward along the second direction V2. Move. If it does so, the peeler 133 will be arrange
- the piston / cylinder mechanism 134 moves the peeler 133 downward along the second direction V2 when the first hitting portion 131 hits the second region 101s2 of the sheet piece 101. If it does so, the peeler 133 will be arrange
- the piston / cylinder mechanism 134 includes a state in which the peeler 133 is positioned above the first hitting portion 131 before the first hitting portion 131 hits the second region 101s2 of the sheet piece 101, and The state where the peeler 133 after hitting the second area 101s2 is positioned below is adjusted.
- the moving device 140 moves both the chuck portion 120 and the hitting portion 130 along the second direction V2.
- the moving device 140 moves the chuck unit 120 upward along the second direction V2 in a state where the second region 101s2 of the sheet piece 101 is chucked by the chuck unit 120, whereby the second region 101s2 of the sheet piece 101 is moved. Is peeled from the first region 101 s 1 of the sheet piece 101.
- the moving device 140 moves the chuck portion 120 upward along the second direction V2 to separate the second region 101s2 of the sheet piece 101 from the first region 101s1 of the sheet piece 101.
- the second area 101s2 of the sheet piece 101 may be separated from the first area 101s1 of the sheet piece 101 by moving the suction table 110 downward along the second direction V2. That is, any configuration may be used as long as the second region 101s2 of the sheet piece 101 is separated from the first region 101s1 of the sheet piece 101 by relatively moving the chuck portion 120 and the suction table 110 in the second direction V2.
- the moving device 140 includes an arm portion 141 that can be moved along the second direction V2 by a power portion (not shown) such as an actuator, and a column portion 142 that extends along the second direction V2. Both the chuck portion 120 and the hitting portion 130 are attached to one end side (the suction surface 110 s side) of the arm portion 141. The other end side of the arm portion 141 is attached to the column portion 142.
- FIG. 8 to 11 are explanatory views of the peeling operation by the peeling apparatus 100.
- FIG. FIG. 8 is a plan view showing a state where the second region 101 s 2 of the sheet piece 101 is chucked by the chuck portion 120.
- FIG. 9 is a side view showing a state where the second region 101 s 2 of the sheet piece 101 is chucked by the chuck portion 120.
- FIG. 10 is a side view showing the operation of the moving device 140 for peeling the second region 101s2 of the sheet piece 101 from the first region 101s1.
- FIG. 11 is a side view showing the operation of the hitting unit 130 that hits the second region 101s2 of the sheet piece 101 from above.
- the chuck unit 120 chucks portions corresponding to two adjacent corners of the first region 101 s 1 of the sheet piece 101 in the second region 101 s 2 of the sheet piece 101.
- the first chuck portion 121 chucks the first corner portion 101a1 of the sheet piece 101.
- the second chuck portion 122 chucks the second corner portion 101 a 2 of the sheet piece 101.
- the piston / cylinder mechanism 125 moves the second grip portion 124 in the second direction V2. Move down along. If it does so, the sheet piece support part 123a and the 2nd holding part 124 will be arrange
- the sheet piece 101 and the adhesive layer 102 are sandwiched between the sheet piece support part 123a and the second grip part 124. At this time, the sheet piece support portion 123a is in contact with one surface of the adhesive layer 102 (the surface opposite to the sheet piece 101). The second grip 124 is in contact with one surface of the sheet piece 101 (the surface opposite to the adhesive layer 102).
- the peeler 133 is disposed above the sheet piece 101 in an initial state before hitting the second region 101s2 of the sheet piece 101.
- one corner portion 133 a of the four corner portions of the peeler 133 is arranged at a central portion between the first corner portion 101 a 1 and the second corner portion 101 a 2 in the second region 101 s 2 of the sheet piece 101.
- the peeler 133 strikes the central portion between the first corner portion 101a1 and the second corner portion 101a2 in the second region 101s2 of the sheet piece 101 from above.
- the moving device 140 moves the chuck unit 120 upward along the second direction V ⁇ b> 2 in a state where the second region 101 s ⁇ b> 2 of the sheet piece 101 is chucked by the chuck unit 120. Let Accordingly, the second region 101s2 of the sheet piece 101 is peeled from the first region 101s1 of the sheet piece 101.
- the piston / cylinder mechanism 125 moves the second grip 124 upward along the second direction V2. If it does so, the sheet piece support part 123a and the 2nd holding part 124 will be spaced apart and arrange
- the piston / cylinder mechanism 134 moves the peeler 133 downward along the second direction V2 in a state where the chuck of the second region 101s2 of the sheet piece 101 by the first chuck portion 121 is released. Then, the central portion between the first corner portion 101a1 and the second corner portion 101a2 of the second region 101s2 of the sheet piece 101 attached to the chuck portion 120 by the adhesive layer 102 is hit by the peeler 133 from above. As a result, the second region 101 s 2 of the sheet piece 101 is separated from the chuck portion 120. The second region 101 s 2 of the sheet piece 101 separated from the chuck unit 120 is collected by the collection unit 160.
- the second region 101s2 of the sheet piece 101 is moved upward along the second direction V2 to separate from the first region 101s1 of the sheet piece 101.
- the second region 101s2 can be separated from the first region 101s1 with a weak force. Therefore, it is possible to suppress a part of the second region 101s2 from being broken at the time of peeling, and to continuously peel the second region 101s2 from the first region 101s1 without interrupting the peeling of the second region 101s2. Accordingly, it is possible to provide the peeling apparatus 100 that can be employed in an optical display device production system that can reduce the frame portion around the display area to enlarge the display area and downsize the device.
- the hitting unit 130 hits the second region 101s2 of the sheet piece 101 attached to the chuck unit 120 by the adhesive layer 102 from above while the chuck of the second region 101s2 of the sheet piece 101 by the chuck unit 120 is released.
- the second region 101s2 of the sheet piece 101 is separated from the chuck portion 120, the second region 101s2 of the sheet piece 101 can be prevented from remaining attached to the chuck portion 120 by the adhesive layer 102 at the time of peeling. .
- the first area 101s1 of the sheet piece 101 has a rectangular shape in plan view, and the chuck unit 120 chucks the first corner part 101a1 and the second corner part 101a2 in the second area 101s2 of the sheet piece 101, and hits the part 130. Hits the portion between the first corner portion 101a1 and the second corner portion 101a2 in the second region 101s2 of the sheet piece 101, so that when the hit, the force is equally applied to the second region 101s2 of the sheet piece 101. be able to. Therefore, even if the second region 101s2 of the sheet piece 101 adheres to the chuck portion 120 by the adhesive layer 102 at the time of peeling, the second region 101s2 of the sheet piece 101 can be easily separated from the chuck portion 120.
- the suction table 110 overlaps the portion 101a1 of the second region 101s2 of the sheet piece 101 that is chucked by the chuck unit 120 and the portion 101a2 of the second region 101s2 of the sheet piece 101 that is chucked by the chuck unit 120 in plan view.
- the chuck portion 120 has a portion protruding from the tapered portion 110t1 and the tapered portion 110t2 in the second region 101s2 of the sheet piece 101 (the first corner portion 101a1 and the second corner portion 101a2). ),
- the first corner portion 101a1 and the second corner portion 101a2 are stably chucked by setting the protruding amounts of the first corner portion 101a1 and the second corner portion 101a2 to predetermined values, respectively.
- the second region 101s2 can be continuously and stably peeled from the first region 101s1 without interruption.
- a mechanical chuck that chucks the second region 101s2 with a mechanical force has been described as the chuck portion 120.
- the present invention is not limited to this.
- a vacuum chuck that fixes the second region 101s2 by vacuum suction may be used.
- the peeling apparatus 100 may peel off and collect from a part of the longitudinal portion of the second region 101s2. That is, it is only necessary that the peeling device 100 is configured to chuck the second region 101s2 and peel it from the first region 101s1.
- planar view shape of the second region 101s2 is described as an example along the three sides of the first region 101s1 that is rectangular in plan view.
- the present invention is not limited to this.
- the planar view shape of the second region 101s2 may be a rectangular frame shape or various shapes such as an L shape.
- the “part corresponding to the bonding surface” is a region having a size not less than the size of the display region P4 and not more than the size of the outer shape of the optical display component (liquid crystal panel P), and Indicates the area that avoids functional parts such as electrical component mounting parts. That is, “separate the excess part outside the part corresponding to the bonding surface” includes a case where the excess part is separated along the outer peripheral edge of the optical display component (liquid crystal panel P).
- the film bonding system 1 which is the production system of the optical display device which concerns on 1st embodiment of this invention is demonstrated with reference to drawings.
- the recovery device for example, the first recovery device 100A and the second recovery device 100B in the present embodiment
- the peeling device 100 described above.
- FIG. 12 is a schematic configuration diagram of the film bonding system 1 in the present embodiment.
- the film bonding system 1 is for bonding a film-shaped optical member such as a polarizing film, a retardation film, and a brightness enhancement film to a panel-shaped optical display component such as a liquid crystal panel or an organic EL panel. It is configured as a part of a production system for producing an optical display device including an optical member.
- the liquid crystal panel P is used as an optical display component.
- FIG. 12 for convenience of illustration, the film bonding system 1 is described in two upper and lower stages.
- FIG. 13 is a plan view of the liquid crystal panel P viewed from the thickness direction of the liquid crystal layer P3 of the liquid crystal panel P.
- the liquid crystal panel P includes a first substrate P1 having a rectangular shape in plan view, a second substrate P2 having a relatively small rectangular shape disposed to face the first substrate P1, a first substrate P1, and a second substrate. And a liquid crystal layer P3 sealed between the substrate P2.
- the liquid crystal panel P has a rectangular shape that conforms to the outer shape of the first substrate P1 in a plan view, and a region that fits inside the outer periphery of the liquid crystal layer P3 in a plan view is a display region P4.
- FIG. 14 is a cross-sectional view taken along the line AA in FIG.
- the first optical member sheet F1 and the second optical member sheet F2 (refer to FIG. 1, hereinafter may be collectively referred to as the optical member sheet FX) which are long belts are cut out.
- the optical member F11 and the second optical member F12 (hereinafter, may be collectively referred to as an optical member F1X) are appropriately bonded.
- polarizing films are bonded to both the backlight side and the display surface side of the liquid crystal panel P, respectively.
- the first optical member F11 is bonded to the surface of the liquid crystal panel P on the backlight side as a polarizing film.
- the second optical member F12 is bonded to the surface on the display surface side of the liquid crystal panel P as a polarizing film.
- a third optical member as a brightness enhancement film may be further bonded to the surface of the liquid crystal panel P on the backlight side so as to overlap the first optical member F11.
- first optical member F11 and the second optical member F12 are a first sheet piece F1m and a second sheet piece F2m (hereinafter sometimes collectively referred to as a sheet piece FXm), which will be described later. It is formed by cutting off the second region that is the region outside the first region corresponding to the bonding surface of the second sheet piece F2m.
- FIG. 15 is a partial cross-sectional view of the optical member sheet FX to be bonded to the liquid crystal panel P.
- the optical member sheet FX includes a film-shaped optical member main body F1a, an adhesive layer F2a provided on one surface (upper surface in FIG. 15) of the optical member main body F1a, and one of the optical member main bodies F1a via the adhesive layer F2a.
- the separator sheet F3a is detachably stacked on the surface, and the surface protective film F4a is stacked on the other surface (lower surface in FIG. 15) of the optical member body F1a.
- the optical member main body F1a functions as a polarizing plate, and is bonded over the entire display area P4 of the liquid crystal panel P and the peripheral area of the display area P4. For convenience of illustration, hatching of each layer in FIG. 15 is omitted.
- the optical member main body F1a is bonded to the liquid crystal panel P via the adhesive layer F2a in a state where the separator sheet F3a is separated while leaving the adhesive layer F2a on one surface of the optical member main body F1a.
- seat FX is called the bonding sheet
- the separator sheet F3a protects the adhesive layer F2a and the optical member body F1a before being separated from the adhesive layer F2a.
- the surface protective film F4a is bonded to the liquid crystal panel P together with the optical member body F1a.
- the surface protective film F4a is disposed on the side opposite to the liquid crystal panel P with respect to the optical member body F1a to protect the optical member body F1a.
- the surface protective film F4a is separated from the optical member main body F1a at a predetermined timing.
- the optical member sheet FX may not include the surface protective film F4a.
- separated from the optical member main body F1a may be sufficient as the surface protection film F4a.
- the optical member body F1a is bonded to the sheet-like polarizer F6, the first film F7 bonded to one surface of the polarizer F6 with an adhesive or the like, and the other surface of the polarizer F6 with an adhesive or the like. And a second film F8.
- the first film F7 and the second film F8 are protective films that protect the polarizer F6, for example.
- the optical member body F1a may have a single-layer structure composed of a single optical layer, or may have a stacked structure in which a plurality of optical layers are stacked on each other.
- the optical layer may be a retardation film, a brightness enhancement film, or the like.
- At least one of the first film F7 and the second film F8 may be subjected to a surface treatment that provides an effect such as anti-glare including hard coat treatment and anti-glare treatment for protecting the outermost surface of the liquid crystal display element.
- the optical member body F1a may not include at least one of the first film F7 and the second film F8.
- the separator sheet F3a may be bonded to one surface of the optical member body F1a via the adhesive layer F2a.
- the film bonding system 1 reaches from the upstream side in the transport direction of the liquid crystal panel P on the right side in the figure to the downstream side in the transport direction of the liquid crystal panel P on the left side in the figure, and transports the liquid crystal panel P in a horizontal state.
- the drive type roller conveyor 5 is provided.
- the roller conveyor 5 is divided into an upstream conveyor 6 and a downstream conveyor 7 with a first turning device 18 described later as a boundary.
- the liquid crystal panel P On the upstream conveyor 6, the liquid crystal panel P is transported so that the short side of the display area P ⁇ b> 4 is along the transport direction.
- the downstream conveyor 7 On the downstream conveyor 7, the liquid crystal panel P is transported so that the long side of the display area P ⁇ b> 4 is along the transport direction.
- a bonding sheet F5 cut out from the belt-shaped optical member sheet FX to a predetermined length is bonded to the front and back surfaces of the liquid crystal panel P.
- Each part of the film bonding system 1 is comprehensively controlled by a control unit (not shown).
- the film bonding system 1 includes a first adsorption device 11 that adsorbs the liquid crystal panel P conveyed to the carry-out end of the preceding step and conveys it to the carry-in end of the upstream conveyor 6 and performs alignment (positioning) of the liquid crystal panel P.
- the 1st dust collector 12 provided in the panel conveyance downstream of the 1st adsorption
- the first reversing device 14A disposed on the downstream side of the panel transport with respect to 13, the first cutting device 15A disposed on the downstream side of the transporting panel with respect to the first reversing device 14A, and the downstream of the panel transport with respect to the first cutting device 15A.
- recovery are provided.
- the film bonding system 1 is arrange
- the first suction device 11 holds the liquid crystal panel P and aligns the liquid crystal panel P so as to be movable in the vertical direction and the horizontal direction.
- the first suction device 11 is provided in the panel holding portion 11a and aligns the liquid crystal panel P.
- an alignment camera 11b that can be used.
- the panel holding unit 11a sucks and holds the liquid crystal panel P transported to the carry-out end of the preceding stage by vacuum suction with the suction pad 26 of the suction table 25, and transports it to the carry-in end of the upstream conveyor 6 in the suction-held state.
- the suction state of the liquid crystal panel P is released and the liquid crystal panel P is delivered to the carry-in end of the upstream conveyor 6.
- the alignment camera 11b photographs the alignment mark, the tip shape, and the like of the liquid crystal panel P when the liquid crystal panel P held by the panel holding portion 11a is placed on the upstream conveyor 6.
- the imaging data by the alignment camera 11b is transmitted to the control device, and the panel holding unit 11a is operated based on the imaging data to align the liquid crystal panel P with the upstream conveyor 6.
- the liquid crystal panel P is at a predetermined position in the direction perpendicular to the transport direction with respect to the upstream conveyor 6, that is, in the width direction of the upstream conveyor 6, and in the turning direction around the vertical axis of the liquid crystal panel P. Positioned.
- the 1st dust collector 12 is provided in the panel conveyance upstream of the bonding position near the bonding position of the 1st bonding apparatus 13, and is on the lower surface side of liquid crystal panel P just before being introduced into the bonding position. Remove static electricity and collect dust.
- the 1st bonding apparatus 13 bonds the bonding sheet
- the 1st bonding apparatus 13 unwinds the 1st optical member sheet
- seat F1 is the longitudinal direction of the 1st optical member sheet
- the conveying device 22 that conveys along the sheet and the bonding sheet F5 having a predetermined length separated from the first optical member sheet F1 by the conveying device 22 are bonded to the lower surface of the liquid crystal panel P conveyed by the upstream conveyor 6.
- a pinching roll 23 is provided.
- the conveyance apparatus 22 conveys the bonding sheet
- the transport device 22 has a roll holding unit 22a that feeds the first optical member sheet F1 along the longitudinal direction of the first optical member sheet F1 and a first optical member sheet F1 unwound from the original roll R1.
- a knife edge 22d that feeds the bonding sheet F5 to the bonding position while peeling the bonding sheet F5 from the separator sheet F3a by winding the optical member sheet F1 at an acute angle, and a separator sheet F3a that becomes independent through the knife edge 22d Has a winding portion 22e for holding a separator roll R2.
- the first optical member sheet F1 is a horizontal direction (sheet width direction) orthogonal to the conveying direction of the first optical member sheet F1, and the width of the display area P4 of the liquid crystal panel P (of the long side and the short side of the display area P4) It has a width wider than the length of any one side (corresponding to the long side length of the display region P4 in this embodiment).
- the roll holding unit 22a located at the carry-in end of the transport device 22 and the winding unit 22e located at the carry-out end of the transport device 22 are driven in synchronization with each other.
- the winding part 22e winds up the separator sheet F3a which passed through the knife edge 22d, while the roll holding part 22a feeds the first optical member sheet F1 in the transport direction of the first optical member sheet F1.
- the upstream side in the transport direction of the first optical member sheet F1 (separator sheet F3a) in the transport device 22 is referred to as the upstream side of sheet transport
- the downstream side in the transport direction is referred to as the downstream side of sheet transport.
- Each guide roller 22b changes the traveling direction of the first optical member sheet F1 being transported along the transport path, and at least a part of the plurality of guide rollers 22b applies the tension of the first optical member sheet F1 being transported. Move to adjust.
- the cut part 22c is the length of the display area P4 in the length direction in which the first optical member sheet F1 is orthogonal to the sheet width direction (the length of the other side of the long side and the short side of the display area P4, the length
- a part in the thickness direction of the first optical member sheet F1 is cut across the entire width along the sheet width direction. Perform a half cut. Thereby, the sheet piece (1st sheet piece F1m) of the bonding sheet
- the half-cut is the advancement / retraction position of the cutting blade so that the first optical member sheet F1 (separator sheet F3a) is not broken by the tension acting during the conveyance of the first optical member sheet F1, and the separator sheet F3a remains with a predetermined thickness. Is adjusted and cut to the vicinity of the boundary surface between the adhesive layer F2 and the separator sheet F3a. In addition, you may use the laser apparatus replaced with a cutting blade.
- the first optical member sheet F1 after the half cut is formed with a cut line in which the optical member body F1a and the surface protection film F4a are cut in the thickness direction over the entire width in the width direction of the first optical member sheet F1. .
- the cut lines are formed at intervals having a length corresponding to the short side length of the display region P4 in the longitudinal direction of the strip-shaped first optical member sheet F1.
- the first optical member sheet F1 is divided into a plurality of sections in the longitudinal direction by a plurality of cut lines. Each division part pinched
- the knife edge 22d is disposed below the upstream conveyor 6 and extends over the entire width of at least the first optical member sheet F1 in the width direction of the first optical member sheet F1.
- the knife edge 22d is wound so that the separator sheet F3a side of the first optical member sheet F1 after the half cut comes into sliding contact.
- the first optical member sheet F1 peels the separator sheet F3a from the first sheet piece F1m when the traveling direction changes so as to be bent at an acute angle at the tip of the knife edge 22d.
- the tip end of the knife edge 22d is arranged close to the panel conveyance downstream side of the pinching roll 23.
- the first sheet piece F1m separated from the separator sheet F3a by the knife edge 22d is introduced between the pair of bonding rollers 23a of the pressure roll 23 while overlapping the lower surface of the liquid crystal panel P conveyed by the upstream conveyor 6. .
- the pinching roll 23 has a pair of laminating rollers 23a arranged in parallel with each other in the axial direction. A predetermined gap is formed between the pair of bonding rollers 23 a, and the position of this gap becomes the bonding position of the first bonding apparatus 13.
- the liquid crystal panel P and the first sheet piece F1m are overlapped and introduced into the gap between the pair of bonding rollers 23a, and the liquid crystal panel P and the first sheet piece F1m are conveyed while being sandwiched between the pair of bonding rollers 23a. It is sent out downstream. Thereby, the 1st sheet piece F1m is integrally bonded by the lower surface of liquid crystal panel P, and it becomes 1st optical member bonding body PA1.
- the first reversing device 14A conveys the first optical member bonding body PA1 to the cutting position of the first cutting device 15A, and reverses the front and back of the first optical member bonding body PA1 during the conveyance.
- the sheet piece F1m is delivered to the first cutting device 15A in a state where the surface on which the sheet piece F1m is bonded is the upper surface.
- the film bonding system 1 is provided with the 1st detection apparatus 41 (refer FIG. 22).
- the first detection device 41 is provided on the downstream side of the panel conveyance with respect to the reversing device 14A.
- the 1st detection apparatus 41 detects the edge of the bonding surface (henceforth 1st bonding surface SA1) of liquid crystal panel P and 1st sheet piece F1m.
- the first detection device 41 has an edge ED (outside of the bonding surface) of the first bonding surface SA1 in the four inspection areas CA installed on the conveyance path of the upstream conveyor 6. Edge).
- region CA is arrange
- the edge ED is detected for each liquid crystal panel P conveyed on the line.
- the edge ED data detected by the first detection device 41 is stored in a storage unit (not shown).
- region CA may be arrange
- FIG. 22 is a schematic diagram of the first detection device 41.
- the first detection device 41 includes the illumination light source 44 that illuminates the edge ED and the first bonding surface SA1 rather than the edge ED with respect to the normal direction of the first bonding surface SA1.
- An image pickup device 43 that is arranged in an inwardly inclined posture and picks up an image of the edge ED from the side on which the first sheet piece F1m of the first optical member bonding body PA1 is bonded.
- the illumination light source 44 and the imaging device 43 are respectively arranged in the four inspection areas CA (positions corresponding to the four corners of the first bonding surface SA1) shown in FIG.
- An angle ⁇ formed between the normal line of the first bonding surface SA1 and the normal line of the image pickup surface 43a of the image pickup device 43 (hereinafter referred to as an inclination angle ⁇ of the image pickup device 43) is divided into panels within the image pickup field of the image pickup device 43. It can be set so that time lag and burrs do not enter. For example, when the end surface of the second substrate P2 is shifted outward from the end surface of the first substrate P1, the inclination angle ⁇ of the imaging device 43 is set so that the edge of the second substrate P2 enters the imaging field of the imaging device 43. Set to not.
- the inclination angle ⁇ of the imaging device 43 is set to match the distance H (hereinafter referred to as the height H of the imaging device 43) between the first bonding surface SA1 and the center of the imaging surface 43a of the imaging device 43. it can.
- the height H of the imaging device 43 is 50 mm or more and 100 mm or less
- the inclination angle ⁇ of the imaging device 43 can be set to an angle in the range of 5 ° or more and 20 ° or less.
- the height H of the imaging device 43 and the inclination angle ⁇ of the imaging device 43 can be obtained based on the deviation amount.
- the height H of the imaging device 43 is set to 78 mm
- the inclination angle ⁇ of the imaging device 43 is set to 10 °.
- the illumination light source 44 and the imaging device 43 are fixedly arranged in each inspection area CA.
- the illumination light source 44 and the imaging device 43 may be arrange
- the illumination light source 44 and the imaging device 43 should each be provided one each. Thereby, the illumination light source 44 and the imaging device 43 can be moved to a position where the edge ED of the first bonding surface SA1 can be easily imaged.
- the illumination light source 44 is arrange
- the illumination light source 44 is arrange
- the optical axis of the illumination light source 44 and the normal line of the imaging surface 43a of the imaging device 43 are parallel.
- the illumination light source may be arrange
- optical axis of the illumination light source 44 and the normal line of the image pickup surface 43a of the image pickup device 43 may slightly cross each other.
- each of the imaging device 43 and the illumination light source 44 may be disposed at a position overlapping the edge ED along the normal direction of the first bonding surface SA1.
- a distance H1 between the first bonding surface SA1 and the center of the imaging surface 43a of the imaging device 43 detects the edge ED of the first bonding surface SA1. It can be set at an easy position.
- the height H1 of the imaging device 43 can be set in the range of 50 mm to 150 mm.
- the cut position of the first sheet piece F1m is adjusted based on the detection result of the edge ED of the first bonding surface SA1.
- a control part (not shown) acquires the data of the edge ED of 1st bonding surface SA1 memorize
- the first cutting device 15A cuts the first sheet piece F1m at the cutting position determined by the control unit.
- the first cutting device 15 ⁇ / b> A is provided on the downstream side of the panel conveyance from the first detection device 41.
- 15 A of 1st cutting devices cut
- the 1st optical member F11 (refer FIG. 14) of the magnitude
- the “size corresponding to the first bonding surface SA1” is not less than the size of the display area P4 of the liquid crystal panel P and not more than the size of the outer shape (contour shape in plan view) of the liquid crystal panel P.
- the first optical member F11 is bonded to the front and back surfaces of the liquid crystal panel P by cutting the second region of the first sheet piece F1m from the first optical member bonding body PA1 by the first cutting device 15A. 2nd optical member bonding body PA2 is formed. At this time, the second optical member bonding body PA2 and the portion corresponding to the first bonding surface SA1 (first optical member F11) are cut off, and the excess portion of the first sheet piece F1m remaining in the frame shape is separated.
- the “part corresponding to the first bonding surface SA1” is a region that is not less than the size of the display region P4 and not more than the size of the outer shape of the liquid crystal panel P, and a functional part such as an electrical component mounting portion. Indicates the area that was avoided.
- the surplus portion is laser-cut along the outer peripheral edge of the liquid crystal panel P at three sides excluding the functional portion in the liquid crystal panel P having a rectangular shape in plan view, and the liquid crystal panel P at one side corresponding to the functional portion.
- the surplus portion is laser-cut at a position that appropriately enters the display area P4 side from the outer peripheral edge of.
- recovery apparatuses are the structures similar to the peeling apparatus 100 shown in FIG. 1, the adsorption
- the chuck unit 120 capable of chucking the region, and the chuck unit 120 and the suction table 110 are relatively moved in the normal direction of the suction surface 110s in a state where the second region of the first sheet piece F1m is chucked by the chuck unit 120.
- a moving device 140 that peels the second region of the first sheet piece F1m from the first region of the sheet piece F1m.
- the moving device 140 of the present embodiment moves the second region of the first sheet piece F1m upward along the second direction V2 (see FIG. 10), and peels it from the first region of the first sheet piece F1m.
- the suction table 110 is disposed below the upstream conveyor 6. 100A of 1st collection
- the suction table 110 moves the second optical member bonding body PA2 in the direction of the first turning device 18.
- the first turning device 18 holds the second optical member bonding body PA2 that has reached the carry-out end of the upstream conveyor 6 via the first cutting device 15A by suction or holding, and the short side of the display region P4 is transported.
- 2nd optical member bonding body PA2 conveyed so that it may follow is turned so that it may be conveyed in the direction in alignment with the long side of the display area P4.
- 2nd optical member bonding body PA2 performs the turning operation
- the upstream conveyor 6 and the downstream conveyor 7 both have the direction from the right side to the left side of the drawing as the transport direction of the liquid crystal panel P, but the upstream conveyor 6 and the downstream conveyor 7 pass through the first turning device 18.
- the side conveyor 7 is offset by a predetermined amount in the width direction in plan view.
- the first turning device 18 includes an alignment camera 18c similar to the alignment camera 11b of the first suction device 11, and has an alignment function similar to that of the panel holding portion 11a of the first suction device 11.
- the 2nd dust collector 16 is provided in the panel conveyance upstream of the bonding position near the bonding position of the 2nd bonding apparatus 17, and is 2nd optical member bonding body PA2 just before being introduced into the bonding position. Removes static electricity and collects dust on the bottom side of the.
- the 2nd bonding apparatus 17 bonds the bonding sheet
- the 2nd bonding apparatus 17 is provided with the conveying apparatus 22 and the pinching roll 23 similar to the 1st bonding apparatus 13.
- the cut part 22c of the 2nd bonding apparatus 17 is the length of the display area P4 in the length direction in which the 2nd optical member sheet
- the short side the length of the other side (corresponding to the long side length of the display area P4 in this embodiment) is extended over the entire width along the sheet width direction every time a longer length is extended.
- the two optical member sheets F2 are half-cut to form a plurality of cut lines arranged in the longitudinal direction of the strip-shaped second optical member sheet F2.
- the cut lines are formed at intervals having a length corresponding to the long side length of the display region P4 in the longitudinal direction of the belt-shaped second optical member sheet F2.
- the second optical member sheet F2 is divided into a plurality of sections in the longitudinal direction by a plurality of cut lines. Each division part pinched
- seat F2 becomes one sheet piece (2nd sheet piece F2m) in the bonding sheet
- the pinching roll 23 has a pair of bonding rollers 23a arranged in parallel with each other in the axial direction, and a predetermined gap is formed between the pair of bonding rollers 23a. It becomes the bonding position of the combination device 17.
- the second optical member bonding body PA2 and the second sheet piece F2m are introduced in an overlapping state, and the second optical member bonding body PA2 and the second sheet piece F2m are sandwiched between the pair of bonding rollers 23a. It is sent out to the panel conveyance downstream side while being pressed.
- the 2nd sheet piece F2m is integrated with the surface of the other side (surface on the opposite side to the surface where 1st optical member F11 of 2nd optical member bonding body PA2 was bonded) of 2nd optical member bonding body PA2.
- the second reversing device 14B conveys the third optical member bonding body PA3 to the cutting position of the second cutting device 15B, and reverses the front and back of the third optical member bonding body PA3 during the conveyance.
- the sheet piece F2m is transferred to the second cutting device 15B in a state where the upper surface is the surface on which the sheet piece F2m is bonded.
- the film bonding system 1 is provided with the 2nd detection apparatus 42 (refer FIG. 22).
- the 2nd detection apparatus 42 is provided in the panel conveyance downstream rather than the 2nd inversion apparatus 14B.
- the 2nd detection apparatus 42 detects the edge of the bonding surface (henceforth a 2nd bonding surface) of liquid crystal panel P and the 2nd sheet piece F2m.
- the edge data detected by the second detection device 42 is stored in a storage unit (not shown).
- the cut position of the second sheet piece F2m is adjusted based on the detection result of the edge of the second bonding surface.
- a control part (not shown) acquires the data of the edge of the 2nd bonding surface memorize
- the cutting position of the second sheet piece F2m is determined so as to be a size that does not.
- the second cutting device 15B cuts the second sheet piece F2m at the cutting position determined by the control unit.
- the second cutting device 15B is provided on the downstream side of the panel conveyance with respect to the second detection device 42.
- the 2nd cutting device 15B is the field outside the 1st field from the 1st field corresponding to the 2nd bonding surface among the 2nd sheet pieces F2m bonded to 3rd optical member bonding object PA3.
- the two regions are separated to form a second optical member F12 (see FIG. 14) having a size corresponding to the second bonding surface.
- the “size corresponding to the second bonding surface” is not less than the size of the display region P4 of the liquid crystal panel P and not more than the size of the outer shape (contour shape in plan view) of the liquid crystal panel P. Point to.
- the second optical member F12 is bonded to the other surface of the liquid crystal panel P, and 4th optical member bonding body PA4 comprised by bonding the 1st optical member F11 on the surface one side of liquid crystal panel P is formed.
- the 4th optical member bonding body PA4 and the part (2nd optical member F12) corresponding to a 2nd bonding surface are cut off, and the surplus part of the 2nd sheet piece F2m which remains in frame shape is isolate
- the “part corresponding to the second bonding surface” is an area that is not less than the size of the display area P4 and not more than the size of the outer shape of the liquid crystal panel P, and avoids a functional part such as an electrical component mounting portion. Indicates the area.
- the surplus portions are laser-cut along the outer peripheral edge of the liquid crystal panel P on the four sides of the liquid crystal panel P having a rectangular shape in plan view.
- the portion corresponding to the second bonding surface is the bonding surface of the CF (Color Filter) substrate, there is no portion corresponding to the functional portion, so along the outer peripheral edge of the liquid crystal panel P on the four sides of the liquid crystal panel P. Cut.
- 15 A of 1st cutting devices are the 1st along the outer periphery of the bonding surface (1st bonding surface SA1) of liquid crystal panel P and the 1st sheet piece F1m which the first detection apparatus 41 detected. Cut one sheet piece F1m.
- the second cutting device 15B cuts the second sheet piece F2m along the outer peripheral edge of the bonding surface (second bonding surface) between the liquid crystal panel P and the second sheet piece F2m detected by the second detection device 42. To do.
- the first cutting device 15A and the second cutting device 15B are, for example, CO 2 laser cutters.
- the first cutting device 15A and the second cutting device 15B (hereinafter sometimes collectively referred to as the cutting device 15), the first region corresponding to the bonding surface of the first sheet piece F1m and the second sheet piece F2m.
- region is cut
- the cutting device 15 cuts the sheet piece FXm endlessly along the outer peripheral edge of the bonding surface of the liquid crystal panel P and the sheet piece FXm detected by the first detection device 41 and the second detection device 42. Outside the display area P4, a frame portion G (see FIG. 14) having a predetermined width for arranging a sealant or the like for bonding the first substrate P1 and the second substrate P2 of the liquid crystal panel P is provided.
- the sheet piece FXm is cut by the cutting device 15 within the width of G.
- a CO 2 laser is used as an example of the cutting device 15, but the cutting device 15 is not limited to this.
- Other cutting means such as a cutting blade can be used as the cutting device 15.
- the second collection device 100B has the same configuration as that of the peeling device 100 shown in FIG. 1, and includes a suction table 110 having a suction surface 110s that sucks the fourth optical member bonding body PA4, and the second sheet piece F1m.
- the chuck unit 120 capable of chucking the region, and the chuck unit 120 and the suction table 110 are relatively moved in the normal direction of the suction surface 110s in a state where the second region of the second sheet piece F2m is chucked by the chuck unit 120.
- a moving device 140 that peels the second region of the second sheet piece F2m from the first region of the second sheet piece F2m.
- the moving device 140 of the present embodiment moves the second region of the second sheet piece F2m upward along the second direction V2 (see FIG. 10) and separates it from the first region of the second sheet piece F2m.
- the suction table 110 is disposed below the downstream conveyor 7.
- the second collection device 100B peels off and collects the second region separated from the second sheet piece F2m from the portion corresponding to the corner of the second sheet piece F2m.
- the suction table 110 moves the fourth optical member bonding body PA4 in the direction of the second turning device 19.
- the second turning device 19 turns the fourth optical member bonding body PA4 that has been transported so that the long side of the display region P4 is along the transport direction so that it is transported in the direction along the short side of the display region P4. .
- the defect inspection apparatus 21 irradiates light from the lower surface side (backlight side) of the fourth optical member bonding body PA4 with the fourth optical member bonding body PA4 with the display surface side facing upward through the second turning device 19, and the upper surface.
- An image is taken with the camera 21a from the side (display surface side), and the presence or absence of a defect (bonding failure or the like) of the fourth optical member bonding body PA4 is inspected based on this imaging data.
- FIG. 16 is a flowchart of a film bonding process using the film bonding system 1 according to the present embodiment.
- polarizing films (corresponding to the first optical member F11 and the second optical member F12 described above) are bonded to both the backlight side and the display surface side of the liquid crystal panel.
- a third optical member as an brightness enhancement film is bonded to the surface of the backlight side of the liquid crystal panel so as to overlap the first optical member F11.
- a raw roll on which an optical member sheet for a polarizing film is wound is prepared (step S1 shown in FIG. 16).
- step S2 a half cut is performed to cut a part in the thickness direction of the optical member sheet (step S2 shown in FIG. 16).
- the sheet piece (corresponding to the first sheet piece F1m and the second sheet piece F2m) larger than the display area of the liquid crystal panel is cut out from the optical member sheet (step S3 shown in FIG. 16).
- an original fabric roll on which the optical member sheet for the brightness enhancement film is wound is prepared (step S4 shown in FIG. 16).
- step S5 a half cut is performed to cut a part in the thickness direction of the optical member sheet (step S5 shown in FIG. 16).
- a liquid crystal panel is prepared (step S7 shown in FIG. 16).
- the liquid crystal panel is washed (step S8 shown in FIG. 16).
- the surface of the liquid crystal panel is polished or the like to remove foreign matters attached to the surface of the liquid crystal panel.
- the sheet piece (corresponding to the first sheet piece F1m) cut into a predetermined size is bonded to the lower surface of the liquid crystal panel (step S9 shown in FIG. 16).
- a sheet piece is integrally bonded by the lower surface of liquid crystal panel P, and it becomes a bonding body (equivalent to 1st optical member bonding body PA1).
- step S10 the front and back of the bonded body are reversed (step S10 shown in FIG. 16). Thereby, let the surface where the sheet piece of the liquid crystal panel was bonded be an upper surface.
- step S11 the window cut which cuts the bonded sheet piece along the outer periphery of the bonding surface is performed (step S11 shown in FIG. 16). Specifically, from the first region facing the bonding surface of the sheet pieces bonded to the liquid crystal panel, the second region, which is the region outside the first region, is separated, and the size corresponding to the bonding surface.
- the polarizing film (corresponding to the first optical member F11) is formed.
- the bonding body (equivalent to 2nd optical member bonding body PA2) comprised by bonding a polarizing film on the surface of one side of a liquid crystal panel is formed.
- the second area separated from the sheet piece is peeled off and collected from the first area of the sheet piece (step S12 shown in FIG. 16).
- step S13 the bonding variation (positional deviation) of the sheet pieces with respect to the liquid crystal panel is inspected.
- step S14 the surface protective film is peeled from the polarizing film (step S14 shown in FIG. 16).
- the bonded body is turned (rotated 90 °) (step S15 shown in FIG. 16).
- the bonded body that has been transported with the short side of the display area along the transport direction is turned so as to be transported in the direction along the long side of the display area.
- the polarization axes of the polarizing films bonded to the front and back surfaces of the liquid crystal panel are perpendicular to each other.
- a sheet piece (corresponding to the second sheet piece F2m) cut into a predetermined size with respect to the lower surface of the bonded body (the surface opposite to the surface on which the polarizing film of the second optical member bonded body PA2 is bonded). ) Is performed (step S16 shown in FIG. 16). Thereby, a sheet piece is integrally bonded by the lower surface of a bonding body, and it becomes a bonding body (equivalent to 3rd optical member bonding body PA3).
- Step S17 the sheet piece (corresponding to the third sheet piece) cut into a predetermined size is bonded to the lower surface of the bonded body (the surface on which the polarizing film of the third optical member bonded body PA3 is bonded) ( Step S17 shown in FIG.
- step S18 the front and back of the bonded body are reversed (step S18 shown in FIG. 16). Thereby, let the surface where the 3rd sheet piece of the bonding body was bonded be an upper surface.
- a window cut is performed to cut the bonded sheet pieces along the outer peripheral edge of the bonding surface (step S19 shown in FIG. 16). Specifically, from the first region facing the bonding surface among the sheet pieces bonded to the bonding body, the second region which is the region outside the first region is separated, and the size corresponding to the bonding surface. A polarizing film (corresponding to the second optical member F12) and a brightness enhancement film (corresponding to the third optical member) having a size corresponding to the bonding surface are formed.
- the second area separated from the sheet piece is peeled off and collected from the first area of the sheet piece (step S20 shown in FIG. 16).
- step S21 shown in FIG. 16 the bonding variation (positional deviation) of the sheet pieces with respect to the liquid crystal panel is inspected.
- a defect inspection is performed on the bonded body (step S22 shown in FIG. 16).
- the AOI inspection optical automatic appearance inspection: Automatic / Optical / Inspection
- the bonded body on which the NG determination has been made is discharged out of the system by a not-shown dispensing means.
- the polarizing film is bonded to both the backlight side and the display surface side of the liquid crystal panel, and the brightness enhancement film is bonded to the surface of the liquid crystal panel on the backlight side. Is obtained (step S23 shown in FIG. 16).
- the liquid crystal panel P on which the sheet piece FXm is bonded Corresponding to the bonding surface by detecting the outer peripheral edge of the bonding surface with the sheet piece FXm and separating the second region outside the portion corresponding to the bonding surface from the sheet piece FXm bonded to the liquid crystal panel P.
- An optical member having such a size can be formed on the surface of the liquid crystal panel P. As a result, the optical member can be accurately provided up to the display area P4, and the frame area outside the display area P4 can be narrowed to enlarge the display area and downsize the device.
- the second region when collecting the second region separated from the sheet piece FXm, by moving the second region of the sheet piece FXm upward along the second direction V2 and peeling it from the first region of the sheet piece FXm, The second region can be peeled from the first region with a weak force. Therefore, it is possible to prevent the second region from being partially broken at the time of peeling, and to continuously peel the second region from the first region without interrupting the peeling of the second region.
- the size of the surplus portion of the sheet piece FXm (the size of the portion that protrudes outside the liquid crystal panel P) is appropriately set according to the size of the liquid crystal panel P.
- the distance between one side of the sheet piece FXm and one side of the liquid crystal panel P is 2 mm on each side of the sheet piece FXm. Set to a length in the range of ⁇ 5 mm.
- the film bonding system 201 of the present embodiment further includes a recovery unit 260 that recovers the second region of the sheet piece peeled from the first region of the sheet piece, and the moving device 240 recovers the second region of the sheet piece. It is different from the first embodiment in that it is moved to 260.
- the same components as those of the first embodiment are denoted by the same reference numerals, and detailed description thereof is omitted.
- FIG. 17 is a plan view of a film bonding system 201 according to the second embodiment.
- FIG. 18 is a side view of the film bonding system 201 according to the second embodiment.
- the moving device 240 includes an arm part 241 having a chuck part 120 formed at the tip part, and a turning mechanism 242 for turning the arm part 241.
- the turning mechanism 242 can rotate the arm portion 241 around the turning shaft 243 as a central axis.
- the collection unit 260 is disposed on the opposite side of the suction table 110 with the turning shaft 243 of the arm unit 241 interposed therebetween.
- the moving device 240 moves the second region of the sheet piece to the collecting unit 260 by turning the arm unit 241 while the second region of the sheet piece is chucked by the chuck unit 120.
- FIG. 19 is an explanatory view showing the collecting operation of the second area of the sheet piece.
- 19 is a plan view showing a state where the second region 101s2 of the sheet piece 101 is chucked by the chuck portion 120.
- FIG. The lower part of FIG. 19 is a plan view showing a state in which the second region of the sheet piece is moved to the collection unit 260 by the moving device 240.
- the chuck unit 120 chucks portions corresponding to two adjacent corners of the first region 101 s 1 of the sheet piece 101 in the second region 101 s 2 of the sheet piece 101.
- the first chuck portion 121 chucks the first corner portion 101a1 of the sheet piece 101.
- the second chuck portion 122 chucks the second corner portion 101 a 2 of the sheet piece 101.
- the moving device 240 moves the chuck unit 120 upward along the second direction V2 in a state where the second region 101s2 of the sheet piece 101 is chucked by the chuck unit 120. . Accordingly, the second region 101s2 of the sheet piece 101 is peeled from the first region 101s1 of the sheet piece 101.
- the moving device 240 turns the arm unit 241 in a state where the second region of the sheet piece is chucked by the chuck unit 120. Thereby, the second region of the sheet piece is moved to the collection unit 260.
- the chuck of the second region 101 s 2 of the sheet piece 101 by the chuck unit 120 is released, and the second region 101 s 2 of the sheet piece 101 is separated from the chuck unit 120.
- the second region 101 s 2 of the sheet piece 101 separated from the chuck unit 120 is collected by the collection unit 260.
- the second region 101 s 2 of the sheet piece 101 can be moved to the collection unit 260 by the turning operation of the arm unit 241 by the moving device 240. Therefore, the second region 101s2 of the sheet piece 101 can be collected smoothly.
- the movement apparatus 240 gave and demonstrated the example provided with the arm part 241 and the turning mechanism 242, it is not restricted to this.
- the moving device may include a drive unit such as a guide rail and an actuator, and various configurations may be employed.
- the film bonding system 301 of this embodiment is different from that of the second embodiment in that the collecting operation of the second region 101s2 of the sheet piece 101 is performed with two lines (double lines) parallel to each other.
- the same components as those in the second embodiment are denoted by the same reference numerals, and detailed description thereof is omitted.
- FIG. 20 is a plan view of a film bonding system 301 according to the third embodiment.
- the film bonding system 301 includes two suction tables (for example, the first suction table 110 ⁇ / b> A and the second suction table 110 ⁇ / b> B in the present embodiment) that suck and hold the liquid crystal panel P, and sheet pieces.
- Two recovery units for example, the first recovery unit 260A and the second recovery unit 260B in the present embodiment
- Two recovery units for example, the first recovery unit 260A and the second recovery unit 260B in the present embodiment
- Two moving devices for example, the first moving device 240A and the second moving device 240B in the present embodiment
- the first moving device 240A moves the second region of the sheet piece to the first collecting unit 260A by turning the arm unit 241 counterclockwise in a state where the second region of the sheet piece is chucked by the chuck unit 120. .
- the second moving device 240B moves the second region of the sheet piece to the second collection unit 260B by turning the arm unit 241 clockwise while the second region of the sheet piece is chucked by the chuck unit 120. .
- the first recovery unit 260A and the second recovery unit 260A and the second recovery unit 260A and the second region 101s2 of the sheet piece 101 are swung by the swinging operation of the respective arm units 241 by the first moving device 240A and the second moving device 240B. It can move to each of the 2nd recovery part 260B. Therefore, the second region 101s2 of the sheet piece 101 can be collected smoothly with a double line.
- the outer periphery of the bonding surface is detected for every some liquid crystal panel P using a detection apparatus, and it pastes for every liquid crystal panel P based on the detected outer periphery.
- the present invention is not limited to the above embodiment.
- a polarizing film is bonded to a liquid crystal panel.
- an optical display component to which an optical member is bonded is not limited to a liquid crystal panel, and is organic. It can also be applied to an EL panel, and the optical member to be bonded is not limited to a polarizing film, but can also be applied to an antireflection film, a light diffusion film, and the like.
- First suction table (suction table), 110B ... second suction table (suction table), 110t ... tapered part, 120 ... chuck part, 130 ... striking part, 140,240 ... moving device, 160,260 Collection unit, 260A ... first collection unit (collection unit), 260B ... second collection unit (collection unit), 240A ... first movement device (movement device), 240B ... second movement device (movement device), 241 ... arm Part, 242 ... turning mechanism, 243 ... turning axis, F1 ... first optical member sheet, F1m ... first sheet piece (sheet piece), F2m ... second sheet piece (sheet piece), P ... liquid crystal panel (optical display component) ), P4 ... display region, R1 ... raw fabric roll, V2 ... second direction (normal direction of the suction surface), SA1 ... first bonding surface (bonding surface), ED ... edge of the first bonding surface. Edge (outer periphery of the bonding surface).
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Abstract
Description
本願は、2013年5月17日に出願された日本国特許出願2013-105584号に基づき優先権を主張し、その内容をここに援用する。 The present invention relates to a peeling apparatus and an optical display device production system.
This application claims priority based on Japanese Patent Application No. 2013-105584 filed on May 17, 2013, the contents of which are incorporated herein by reference.
(1)本発明の第一の態様に係る剥離装置は、第一領域と、前記第一領域の外側の領域である第二領域とを有し、前記第二領域が前記第一領域から切り離された状態で、前記第一領域および前記第二領域の一面側に設けられた粘着層によって前記第二領域が前記第一領域に接続された可撓性のシート片に対し、前記第一領域から前記第二領域を剥離するための剥離装置であって、吸着面を有する吸着テーブルと、前記シート片の前記第二領域をチャック可能なチャック部と、前記チャック部によって前記シート片の前記第二領域がチャックされた状態で前記チャック部と前記吸着テーブルとを前記吸着面の法線方向に相対移動させることにより、前記シート片の前記第二領域を前記シート片の前記第一領域から剥離させる移動装置と、を含む。 In order to achieve the above object, the present invention employs the following configuration.
(1) The peeling apparatus which concerns on the 1st aspect of this invention has a 1st area | region and the 2nd area | region which is an area | region outside the said 1st area | region, The said 2nd area | region is cut away from the said 1st area | region. In the state where the second region is connected to the first region by the adhesive layer provided on one surface side of the first region and the second region, the first region A peeling device for peeling the second region from the suction table, a suction table having a suction surface, a chuck portion capable of chucking the second region of the sheet piece, and the chuck portion to the first piece of the sheet piece. The second region of the sheet piece is separated from the first region of the sheet piece by moving the chuck portion and the suction table relative to each other in the normal direction of the suction surface while the two regions are chucked. Including a moving device
尚、上記構成中の「貼合面」とは、光学表示部品のシート片と対向する面を指し、「貼合面の外周縁」とは、具体的には、光学表示部品においてシート片が貼合された側の基板の外周縁を指す。
また、シート片の「第一領域(貼合面に対応する部分)」とは、シート片において、シート片と対向する光学表示部品の表示領域の大きさ以上、光学表示部品の外形状(平面視における輪郭形状)の大きさ以下の領域であって、かつ光学表示部品における電気部品取付部等の機能部分を避けた領域を指す。同様に「貼合面に対応する大きさ」とは、光学表示部品の表示領域の大きさ以上、光学表示部品の外形状(平面視における輪郭形状)の大きさ以下の大きさを指す。 (5) The optical display device production system according to the second aspect of the present invention is an optical display device production system configured by bonding an optical member to an optical display component, and displays the optical display component. While the belt-shaped optical member sheet having a width wider than the length of either one of the long side and the short side of the region is unwound from the original roll, the optical member sheet is placed between the long side and the short side of the display region. A sheet piece cut by a length longer than the length of the other side, and a sheet bonding device for bonding the sheet piece to the optical display component; and the sheet bonded to the optical display component Among the pieces, from the first region corresponding to the bonding surface, a cutting device that separates the second region, which is an outer region of the first region, and forms the optical member having a size corresponding to the bonding surface; The optical display component A chucking table having a chucking surface, a chuck unit capable of chucking the second region of the sheet piece, and the chuck unit and the chucking table in a state where the second region of the sheet piece is chucked by the chuck unit. And a moving device that peels the second region of the sheet piece from the first region of the sheet piece.
In addition, the "bonding surface" in the said structure refers to the surface facing the sheet piece of an optical display component, and specifically, "the outer periphery of a bonding surface" is a sheet piece in an optical display component. It refers to the outer peripheral edge of the bonded substrate.
Further, the “first region (part corresponding to the bonding surface)” of the sheet piece means that the outer shape (planar surface) of the optical display component is larger than the size of the display region of the optical display component facing the sheet piece. It is a region that is equal to or smaller than the size of the contour shape in view and that avoids functional parts such as electrical component mounting portions in the optical display component. Similarly, the “size corresponding to the bonding surface” refers to a size not less than the size of the display area of the optical display component and not more than the size of the outer shape (contour shape in plan view) of the optical display component.
図1は、本発明の第一実施形態に係る剥離装置100を示す斜視図である。
図1に示すように、剥離装置100は、吸着テーブル110と、テーブル移動装置112と、チャック部120(例えば本実施形態では二つのチャック部(第一チャック部121,第二チャック部122))と、叩き部130(例えば本実施形態では二つの叩き部(第一叩き部131,第二叩き部132))と、移動装置140と、これらの装置を統括制御する制御装置150と、を備えている。 (First embodiment) (Peeling device)
FIG. 1 is a perspective view showing a
As shown in FIG. 1, the
以下、図2及び図3を参照して本実施形態に係るシート片101の構成について説明する。 For example, the panel 103 (see FIG. 2) is an optical display component such as a liquid crystal panel. A
Hereinafter, the configuration of the
図3は、吸着テーブル110及びシート片101の配置関係を示す側面図である。 FIG. 2 is a plan view showing the arrangement relationship between the suction table 110 and the
FIG. 3 is a side view showing the arrangement relationship between the suction table 110 and the
図5は、第一チャック部121が閉じた状態を示す斜視図である。 FIG. 4 is a perspective view showing a state in which the
FIG. 5 is a perspective view showing a state in which the
図7は、ピーラー133が下方に位置する状態を示す斜視図である。 FIG. 6 is a perspective view showing a state in which the
FIG. 7 is a perspective view showing a state in which the
図8は、チャック部120によってシート片101の第二領域101s2がチャックされた状態を示す平面図である。
図9は、チャック部120によってシート片101の第二領域101s2がチャックされた状態を示す側面図である。
図10は、シート片101の第二領域101s2を第一領域101s1から剥離させる移動装置140の動作を示す側面図である。
図11は、シート片101の第二領域101s2を上方から叩く叩き部130の動作を示す側面図である。 8 to 11 are explanatory views of the peeling operation by the
FIG. 8 is a plan view showing a state where the second region 101 s 2 of the
FIG. 9 is a side view showing a state where the second region 101 s 2 of the
FIG. 10 is a side view showing the operation of the moving
FIG. 11 is a side view showing the operation of the
以下、本発明の第一実施形態に係る光学表示デバイスの生産システムであるフィルム貼合システム1について図面を参照して説明する。本実施形態に係るフィルム貼合システム1は、回収装置(本実施形態では例えば第一回収装置100A及び第二回収装置100B)が上述した剥離装置100によって構成されている。 (Optical display device production system)
Hereinafter, the
アライメントカメラ11bによる撮像データは制御装置に送信され、この撮像データに基づきパネル保持部11aが作動して上流側コンベア6に対する液晶パネルPのアライメントが行われる。このとき、液晶パネルPは、上流側コンベア6に対して、搬送方向と直交する方向、つまり上流側コンベア6の幅方向の所定の位置であって、液晶パネルPの垂直軸回りの旋回方向で位置決めされる。 The
The imaging data by the
第一貼合装置13は、第一光学部材シートF1が巻回された原反ロールR1から第一光学部材シートF1を巻き出しつつ第一光学部材シートF1を第一光学部材シートF1の長手方向に沿って搬送する搬送装置22と、搬送装置22が第一光学部材シートF1から分離させた所定長さの貼合シートF5を上流側コンベア6により搬送される液晶パネルPの下面に貼合する挟圧ロール23とを備えている。 The
The
図22に示すように、第一検出装置41は、端縁EDを照明する照明光源44と、第一貼合面SA1の法線方向に対して端縁EDよりも第一貼合面SA1の内側に傾斜した姿勢で配置され、第一光学部材貼合体PA1の第一シート片F1mが貼合された側から端縁EDの画像を撮像する撮像装置43と、を備えている。 FIG. 22 is a schematic diagram of the
As illustrated in FIG. 22, the
本実施形態の移動装置140は、第一シート片F1mの第二領域を第二の方向V2(図10参照)に沿って上方に移動させて第一シート片F1mの第一領域から剥離させる。 100 A of 1st collection | recovery apparatuses are the structures similar to the
The moving
第二光学部材貼合体PA2は、第一旋回装置18により旋回動作を行うことにより、液晶パネルPの表裏面に貼合される各偏光フィルムの偏光軸が互いに直角となる。 The
2nd optical member bonding body PA2 performs the turning operation | movement by the
第二切断装置15Bは、第三光学部材貼合体PA3に貼合された第二シート片F2mのうち、第二貼合面に対応する第一領域から、第一領域の外側の領域である第二領域を切り離し、第二貼合面に対応する大きさの第二光学部材F12(図14参照)を形成する。 The
The
図16は、本実施形態に係るフィルム貼合システム1を用いたフィルム貼合プロセスのフローチャートである。 Hereinafter, with reference to FIG. 16, the film bonding process using the
FIG. 16 is a flowchart of a film bonding process using the
そして、シート片FXmから切り離した第二領域を回収する際、シート片FXmの第二領域を第二の方向V2に沿って上方に移動させてシート片FXmの第一領域から剥離させることで、第一領域から第二領域を弱い力で剥離させることができる。よって、剥離時に第二領域の一部がちぎれることを抑制し、第二領域の剥離を中断させることなく第二領域を第一領域から途切れなく連続的に剥離することができる。 As described above, according to the
And, when collecting the second region separated from the sheet piece FXm, by moving the second region of the sheet piece FXm upward along the second direction V2 and peeling it from the first region of the sheet piece FXm, The second region can be peeled from the first region with a weak force. Therefore, it is possible to prevent the second region from being partially broken at the time of peeling, and to continuously peel the second region from the first region without interrupting the peeling of the second region.
次に、本発明の第二実施形態について図17~図19を用いて説明する。
本実施形態のフィルム貼合システム201は、シート片の第一領域から剥離されたシート片の第二領域を回収する回収部260をさらに含み、移動装置240がシート片の第二領域を回収部260に移動させる点で、第一実施形態と異なる。その他の第一実施形態と同一構成には同一符号を付し、詳細説明は省略する。 (Second embodiment)
Next, a second embodiment of the present invention will be described with reference to FIGS.
The
図18は、第二実施形態に係るフィルム貼合システム201の側面図である。 FIG. 17 is a plan view of a
FIG. 18 is a side view of the
図19の上段は、チャック部120によってシート片101の第二領域101s2がチャックされた状態を示す平面図である。
図19の下段は、移動装置240によってシート片の第二領域が回収部260に移動された状態を示す平面図である。 FIG. 19 is an explanatory view showing the collecting operation of the second area of the sheet piece.
19 is a plan view showing a state where the second region 101s2 of the
The lower part of FIG. 19 is a plan view showing a state in which the second region of the sheet piece is moved to the
次に、本発明の第三実施形態について図20を用いて説明する。
本実施形態のフィルム貼合システム301は、互いに平行な二つのライン(ダブルライン)でシート片101の第二領域101s2の回収動作を行う点で、第二実施形態と異なる。その他の第二実施形態と同一構成には同一符号を付し、詳細説明は省略する。 (Third embodiment)
Next, a third embodiment of the present invention will be described with reference to FIG.
The
図20に示すように、フィルム貼合システム301は、液晶パネルPを吸着して保持する二つの吸着テーブル(例えば本実施形態では第一吸着テーブル110A及び第二吸着テーブル110B)と、シート片の第一領域から剥離されたシート片の第二領域を回収する二つの回収部(例えば本実施形態では第一回収部260A及び第二回収部260B)と、シート片の第二領域を第一回収部260A及び第二回収部260Bにそれぞれ移動させる二つの移動装置(例えば本実施形態では第一移動装置240A及び第二移動装置240B)と、を備えている。 FIG. 20 is a plan view of a
As shown in FIG. 20, the
Claims (8)
- 第一領域と、前記第一領域の外側の領域である第二領域とを有し、前記第二領域が前記第一領域から切り離された状態で、前記第一領域および前記第二領域の一面側に設けられた粘着層によって前記第二領域が前記第一領域に接続された可撓性のシート片に対し、前記第一領域から前記第二領域を剥離するための剥離装置であって、
吸着面を有する吸着テーブルと、
前記シート片の前記第二領域をチャック可能なチャック部と、
前記チャック部によって前記シート片の前記第二領域がチャックされた状態で前記チャック部と前記吸着テーブルとを前記吸着面の法線方向に相対移動させることにより、前記シート片の前記第二領域を前記シート片の前記第一領域から剥離させる移動装置と、
を含む剥離装置。 A first region and a second region that is an outer region of the first region, wherein the second region is separated from the first region; A peeling device for peeling the second region from the first region with respect to the flexible sheet piece connected to the first region by the adhesive layer provided on the side,
A suction table having a suction surface;
A chuck portion capable of chucking the second region of the sheet piece;
The second region of the sheet piece is moved by moving the chuck unit and the suction table in the normal direction of the suction surface while the second region of the sheet piece is chucked by the chuck unit. A moving device for peeling from the first region of the sheet piece;
A peeling device comprising: - 前記チャック部による前記シート片の前記第二領域のチャックが解除された状態で、前記粘着層によって前記チャック部に付着した前記シート片の前記第二領域を上方から叩くことにより、前記シート片の前記第二領域を前記チャック部から離間させる叩き部をさらに含む請求項1に記載の剥離装置。 While the chuck of the second region of the sheet piece by the chuck portion is released, the second region of the sheet piece attached to the chuck portion by the adhesive layer is hit from above, thereby The peeling apparatus according to claim 1, further comprising a hitting portion that separates the second region from the chuck portion.
- 前記シート片の前記第一領域は、前記吸着面の法線方向から見て矩形であり、
前記チャック部は、前記シート片の前記第二領域のうち前記シート片の前記第一領域の隣り合う二つの角部に対応する部分をチャックし、
前記叩き部は、前記シート片の前記第二領域のうち前記シート片の前記第一領域の隣り合う二つの角部の間に対応する部分を叩く請求項2に記載の剥離装置。 The first region of the sheet piece is rectangular when viewed from the normal direction of the suction surface,
The chuck portion chucks portions corresponding to two adjacent corner portions of the first region of the sheet piece in the second region of the sheet piece,
The peeling apparatus according to claim 2, wherein the hitting portion hits a portion corresponding to a portion between two adjacent corner portions of the first region of the sheet piece in the second region of the sheet piece. - 前記吸着テーブルは、前記吸着面の法線方向から見て、前記チャック部によって前記シート片の前記第二領域がチャックされる部分と重なる位置にテーパー部を有し、
前記チャック部は、前記シート片の前記第二領域のうち前記テーパー部からはみ出た部分をチャックする請求項1から3までのいずれか一項に記載の剥離装置。 The suction table has a taper portion at a position overlapping with a portion where the second region of the sheet piece is chucked by the chuck portion when viewed from the normal direction of the suction surface;
The peeling device according to any one of claims 1 to 3, wherein the chuck portion chucks a portion of the second piece of the sheet piece that protrudes from the tapered portion. - 光学表示部品に光学部材を貼合して構成される光学表示デバイスの生産システムであって、
前記光学表示部品の表示領域の長辺と短辺のうちいずれか一方の辺の長さよりも広い幅の帯状の光学部材シートを原反ロールから巻き出しつつ、前記光学部材シートを前記表示領域の長辺と短辺のうちいずれか他方の辺の長さよりも長い長さでカットしてシート片とした後、前記シート片を前記光学表示部品に貼り合わせる貼合装置と、
前記光学表示部品に貼合された前記シート片のうち、貼合面に対応する第一領域から、前記第一領域の外側の領域である第二領域を切り離し、前記貼合面に対応する大きさの前記光学部材を形成する切断装置と、
前記光学表示部品を吸着して保持する吸着面を有する吸着テーブルと、
前記シート片の前記第二領域をチャック可能なチャック部と、
前記チャック部によって前記シート片の前記第二領域がチャックされた状態で前記チャック部と前記吸着テーブルとを前記吸着面の法線方向に相対移動させることにより、前記シート片の前記第二領域を前記シート片の前記第一領域から剥離させる移動装置と、
を含む光学表示デバイスの生産システム。 An optical display device production system configured by bonding an optical member to an optical display component,
While the belt-shaped optical member sheet having a width wider than the length of either one of the long side and the short side of the display area of the optical display component is unwound from the original roll, the optical member sheet is removed from the display area. After cutting with a length longer than the length of either the other of the long side and the short side into a sheet piece, a bonding apparatus that bonds the sheet piece to the optical display component,
Of the sheet pieces bonded to the optical display component, a second region that is an outer region of the first region is separated from the first region corresponding to the bonding surface, and the size corresponding to the bonding surface. A cutting device for forming the optical member;
A suction table having a suction surface for sucking and holding the optical display component;
A chuck portion capable of chucking the second region of the sheet piece;
The second region of the sheet piece is moved by moving the chuck unit and the suction table in the normal direction of the suction surface while the second region of the sheet piece is chucked by the chuck unit. A moving device for peeling from the first region of the sheet piece;
Optical display device production system including. - 前記シート片が貼合された前記光学表示部品と前記シート片との貼合面の外周縁を検出する検出装置をさらに含み、
前記切断装置は、前記検出装置が検出した前記光学表示部品と前記シート片との前記貼合面の外周縁に沿って、前記シート片を切断する請求項5に記載の光学表示デバイスの生産システム。 A detection device for detecting an outer peripheral edge of a bonding surface between the optical display component and the sheet piece to which the sheet piece is bonded;
The said cutting device cuts the said sheet piece along the outer periphery of the said bonding surface of the said optical display component and the said sheet piece which the said detection apparatus detected, The production system of the optical display device of Claim 5 . - 前記シート片の前記第一領域から剥離された前記シート片の前記第二領域を回収する回収部をさらに含み、
前記移動装置は、前記シート片の前記第二領域を前記回収部に移動させる請求項5又は6に記載の光学表示デバイスの生産システム。 A recovery unit for recovering the second region of the sheet piece peeled from the first region of the sheet piece;
The optical display device production system according to claim 5, wherein the moving device moves the second region of the sheet piece to the collection unit. - 前記移動装置は、先端部に前記チャック部が形成されたアーム部と、前記アーム部を旋回させる旋回機構と、を含み、
前記回収部は、前記アーム部の旋回軸を挟んで前記吸着テーブルと反対側に配置されており、
前記移動装置は、前記チャック部によって前記シート片の前記第二領域がチャックされた状態で前記アーム部を旋回することにより、前記シート片の前記第二領域を前記回収部に移動させる請求項7に記載の光学表示デバイスの生産システム。 The moving device includes an arm part having the chuck part formed at a tip part, and a turning mechanism for turning the arm part,
The collection unit is disposed on the opposite side of the suction table across the pivot shaft of the arm unit,
The moving device moves the second region of the sheet piece to the collecting unit by turning the arm unit in a state where the second region of the sheet piece is chucked by the chuck unit. The production system of the optical display device described in 1.
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JP2014547211A JP5708962B1 (en) | 2013-05-17 | 2014-01-30 | Peeling apparatus and optical display device production system |
CN201480026492.XA CN105190734B (en) | 2013-05-17 | 2014-01-30 | The production system of stripping off device and optical display device |
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