KR20160130923A - Lamination device of display device - Google Patents

Abstract

The present invention relates to a lamination device for a display device, which is capable of continuously and easily removing protective films from a display material. The lamination device includes: a display material supply unit continuously supplying display materials to which at least one among a first protective film and a second protective film is attached; a return line receiving the display material from the display material supply unit and returning the same; a first tape supply unit supplying a first delamination tape; and a film delaminate unit connecting the first protective films of the display materials adjacent to each other, which move along the return line, with the first delamination tape, and removing the first protective films of the adjacent display materials by separating the first delamination film from the display materials.

Description

[0001] LAMINATION DEVICE FOR DISPLAY DEVICE [0002]

The present invention relates to a lamination apparatus, and more particularly, to a lamination apparatus for a display apparatus capable of continuously and easily removing a protective film from a material for a display apparatus.

The display device includes a display panel, a window, a polarizing plate, and the like. The window and the polarizing plate are bonded together by an adhesive.

A lamination apparatus for a display device joins a window, a polarizing plate and a pressure-sensitive adhesive.

A protective film is attached to both sides of the polarizing plate, and the protective film is removed before the polarizing plate and the window are bonded. In this case, conventionally, the protective film is removed using a knife edge, which complicates the structure of the apparatus, and foreign matter is generated due to friction between the knife edge and the protective film.

It is an object of the present invention to provide a lamination apparatus for a display device which can easily and continuously remove a protective film from a display material used in a display apparatus.

According to an aspect of the present invention, there is provided a lamination apparatus for a display device, comprising: a display material supplier for continuously providing display materials to which at least one of a first protective film and a second protective film is attached; A conveyance line for receiving and conveying the display materials from the display material supplier; A first tape providing member for providing a first peeling tape; And connecting first protective films of adjacent display materials moving along the transfer line to a first peeling tape and separating the display material and the first peeling tape to remove first protective films of adjacent display materials And a film peeling section.

The first tape supply unit includes: a first tape winding unit for winding the first peeling tape to which the first release paper is attached; A first peeling roller for changing a conveying direction of the first release paper with respect to a conveying direction of the first peeling tape; And a first release lane take-up portion for winding up the first release lane that has been conveyed through the first peeling roller.

The first tape supply unit further includes a first guide roller which changes the conveyance direction of the first release sheet and the first release tape from the first tape take-up portion and provides the first release roller to the first release roller.

The film peeling section attaches the first peeling tape provided from the first tape providing section to the first protective films of the display materials and attaches / peels to change the conveying direction of the first peeling tape with respect to the conveying direction of the display materials part; And a first tape winding portion for winding the first peelable tape and the first protective films carried through the attachment / peeling portion.

The lamination apparatus for a display device includes a first attaching / peeling roller and a second attaching / peeling roller, which are disposed opposite to each other with the display material therebetween and are rotated in opposite directions to each other; The film peeling section further includes a first knife edge located on the downstream side of the first attachment / peeling roller.

The film peeling section further comprises a first edge roller located at an edge of the first knife edge.

The central axis of the first edge roller and the central axis of the first attaching / peeling roller are not parallel.

The film peeling portion further includes a second knife edge located on the downstream side of the second attachment / peeling roller.

The film peeling section further includes a second edge roller positioned at an edge of the second knife edge.

The central axis of the second edge roller and the central axis of the second attachment / peeling roller are not parallel.

The center axis of the first edge roller and the center axis of the second edge roller intersect.

The lamination apparatus for a display further comprises a first conveying roller and a second conveying roller which are opposed to each other with the display material therebetween and which rotate in opposite directions; The first conveying roller is located on the downstream side of the first attaching / peeling roller; And the second conveying roller is located on the downstream side of the second attaching / peeling roller.

The distance between the first conveying roller and the second conveying roller is smaller than the distance between the first attaching / peeling roller and the second attaching / peeling roller.

The first peeling tape comprises a base portion; And an adhesive portion located at an edge of the base portion.

The lamination apparatus for a display further comprises a second tape supply unit for providing a second release tape; The film peeling section connects the second protective films of adjacent display materials moving along the transfer line to the second peeling tape, separates the display material and the second peeling tape to remove the second protective films of the adjacent display materials .

The first peeling tape connected to the adjacent first protective films and the second peeling tape connected to the adjacent second protective films do not face each other.

The lamination apparatus according to the present invention provides the following effects.

First, since the process of attaching the peeling tape and the process of removing the protective film of the display material using the peeling tape are all performed in one film peeling unit, the structure of the device is simplified.

Second, since the protective film is removed from the display material using a roller without a knife edge, little foreign matter is generated.

Thirdly, since the peeling tape is attached to the protective films of the display materials adjacent to each other, the protective film can be continuously removed.

Fourth, since the peeling tape adhered to the front surface of the display material and the peeling tape adhered to the back surface of the display material do not adhere to each other, it is easy to remove the protective film even if the thickness of the display material is small.

1 is a configuration diagram of a lamination apparatus for a display device according to an embodiment of the present invention.
Fig. 2 is a view showing another structure of the film peeling unit of Fig. 1. Fig.
FIG. 3 is a view showing another structure of the film peeling unit of FIG. 1. FIG.
Fig. 4 is a view showing the film peeling unit of Fig. 3 in the direction of the arrow in Fig.
Fig. 5 is a view showing the film peeling unit of Fig. 3 in the direction of the arrow in Fig.
6 is a cross-sectional view taken along the line I-I 'in the plan view and the plan view of the first and second peeling tapes.
7 is a cross-sectional view taken along line I-I 'of another plan view of the first and second peeling tapes and other plan views thereof.

BRIEF DESCRIPTION OF THE DRAWINGS The advantages and features of the present invention, and the manner of achieving them, will be apparent from and elucidated with reference to the embodiments described hereinafter in conjunction with the accompanying drawings. The present invention may, however, be embodied in many different forms and should not be construed as being limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art. Is provided to fully convey the scope of the invention to those skilled in the art, and the invention is only defined by the scope of the claims. Thus, in some embodiments, well known process steps, well known device structures, and well-known techniques are not specifically described to avoid an undesirable interpretation of the present invention. Like reference numerals refer to like elements throughout the specification.

In the drawings, the thickness is enlarged to clearly represent the layers and regions. Like parts are designated with like reference numerals throughout the specification. It will be understood that when an element such as a layer, film, region, plate, or the like is referred to as being "on" another portion, it includes not only the element directly over another element, Conversely, when a part is "directly over" another part, it means that there is no other part in the middle. Also, when a portion of a layer, film, region, plate, or the like is referred to as being "below " another portion, it includes not only a case where it is" directly underneath "another portion but also another portion in between. Conversely, when a part is "directly underneath" another part, it means that there is no other part in the middle.

The terms spatially relative, "below", "beneath", "lower", "above", "upper" May be used to readily describe a device or a relationship of components to other devices or components. Spatially relative terms should be understood to include, in addition to the orientation shown in the drawings, terms that include different orientations of the device during use or operation. For example, when inverting an element shown in the figures, an element described as "below" or "beneath" of another element may be placed "above" another element. Thus, the exemplary term "below" can include both downward and upward directions. The elements can also be oriented in different directions, so that spatially relative terms can be interpreted according to orientation.

In this specification, when a part is connected to another part, it includes not only a direct connection but also a case where the part is electrically connected with another part in between. Further, when a part includes an element, it does not exclude other elements unless specifically stated to the contrary, it may include other elements.

The terms first, second, third, etc. in this specification may be used to describe various components, but such components are not limited by these terms. The terms are used for the purpose of distinguishing one element from another. For example, without departing from the scope of the present invention, the first component may be referred to as a second or third component, and similarly, the second or third component may be alternately named.

Unless defined otherwise, all terms (including technical and scientific terms) used herein may be used in a sense commonly understood by one of ordinary skill in the art to which this invention belongs. Also, commonly used predefined terms are not ideally or excessively interpreted unless explicitly defined otherwise.

1 is a configuration diagram of a lamination apparatus for a display device according to an embodiment of the present invention.

1, a lamination apparatus for a display apparatus according to an embodiment of the present invention includes a window winding unit 101, a pressure sensitive adhesive release unit 201, a protective film winding unit 211, a plurality of guide rollers A plurality of carry sections 401, 402, 403, 404, 405, 406, 407, 408 and 409, a bonding section 512, a peeling / bonding section 511, The display material position detector 803, the display material supplier 370, the first tape supply unit 711a, the second tape supply unit 711b, the film peeling unit 820 And a return line 475.

The window unwinding unit 101 unwinds the window 151 using the carrier 152 as a carrier. Here, the carrier 152 and the window 151 attached thereto are defined as window rolls. The window rolls are rolled up in a rolled state in the window winding portion 101. For example, the window winding unit 101 has a cylindrical shape, and the window roll is wound along the outer circumferential surface of the window winding unit 101. The window winder 101 can receive the driving force from the outside and rotate itself.

The first guide roller 301 is located on the downstream side of the window winding portion 101. The first guide roller 301 changes the conveying direction of the window roll from the window winding portion 101 and supplies it to the joining portion 512. The first guide roller 301 is a rotatable roller or a non-driven roller which can be rotated by itself and is not powered. The first guide roller 301 may have a flexible material such as rubber or a hard material such as metal.

The joining portion 512 is located on the downstream side of the first guide roller 301. The bonding portion 512 functions to bond the window 151, the pressure sensitive adhesive 251, and the display material 351. The abutment 512 includes a first abutment roller 52a and a second abutment roller 52b positioned opposite each other. The central axis of the first joining roller 52a and the central axis of the second joining roller 52b are parallel. The first joining roller 52a and the second joining roller 52b rotate in opposite directions to each other. At least one of the first joining roller 52a and the second joining roller 52b is a drive roller that can receive its driving force from the outside and rotate itself. The first joining roller 52a and the second joining roller 52b may have a flexible material such as rubber or a hard material such as a metal. The first joining roller 52a and the second joining roller 52b may each include a heater therein. On the other hand, the heater may be located outside the first joining roller 52a and the second joining roller 52b. The first joining roller 52a and the second joining roller 52b may be nip rollers.

The window position detecting unit 801 is located between the first guide roller 301 and the bonding portion 512. The window position detecting unit 801 detects the position of the window 151 before the window 151 reaches the joining part 512. [ The window position detecting unit 801 may include a charge-coupled device (CCD) camera.

On the other hand, although not shown, the carrier film winding portion is located on the downstream side of the bonding portion 512. The carrier film winding portion rewinds the carrier film 152 from which the window 151 has been separated through the bonding portion 512, the other bonding portions 512 and the peeling portion. The carrier film winding portion has a cylindrical shape, and the carrier film 152 is wound along the outer peripheral surface of the carrier film winding portion.

The window winding portion 101 and the carrier film winding portion are driven in synchronization with each other. Thus, when the window winding portion 101 unwinds the window roll, the carrier film winding portion winds the carrier film 152 from which the window 151 has been removed.

The adhesive releasing section (201) unwinds the adhesive (251). A protective film 252 is attached to one side of the adhesive 251. Here, the pressure sensitive adhesive 251 and the protective film 252 attached thereto are defined as pressure sensitive adhesive rolls. The pressure-sensitive adhesive roll is rolled up in the form of a roll in the pressure- For example, the pressure sensitive adhesive rollers 201 have a cylindrical shape, and the pressure sensitive adhesive rolls are wound along the outer peripheral surface of the pressure sensitive adhesive rollers 201. The adhesive 251 may be OCA (Optically Clear Adhesive). The adhesive releasing section 201 can receive the driving force from the outside and rotate itself.

The second guide roller 302 is located on the downstream side of the pressure-sensitive adhesive spout 201. The second guide roller 302 changes the conveyance direction of the pressure-sensitive adhesive roll from the pressure-sensitive adhesive roll-up section 201 and supplies it to the first conveyance section 401. The second guide roller 302 is a non-driving roller. The second guide roller 302 may have a flexible material such as rubber or a hard material such as metal.

The first conveying section 401 is located on the downstream side of the second guide roller 302. The first conveying section 401 conveys the adhesive roll from the second guide roller 302 to the cut section 824. The first conveying unit 401 includes a first conveying roller 41a and a second conveying roller 41b which are positioned opposite to each other. The central axis of the first conveying roller 41a provided in the first conveying section 401 and the central axis of the second conveying roller 41b are parallel. The first conveying roller 41a and the second conveying roller 41b of the first conveying section 401 rotate in opposite directions to each other. At least one of the first conveying roller 41a and the second conveying roller 41b of the first conveying unit 401 is a driving roller that can receive a driving force from the outside and rotate itself. The first conveying roller 41a and the second conveying roller 41b of the first conveying unit 401 may have a flexible material such as rubber or a hard material such as metal. The first conveying roller 41a and the second conveying roller 41b may be nip rollers.

The cut portion 824 is located on the downstream side of the first carry section 401. The cut portion 824 cuts the pressure-sensitive adhesive roll in a half-cut manner. The cutting portion 824 includes a cutting blade, which faces the adhesive 251. The cutting portion 824 moves the cutting blade toward the adhesive agent 251 to completely cut the adhesive agent 251 and cut the protective film 252 located behind the adhesive agent 251 in a half cut manner. By this half-cut type cutting, the protective film 252 has a thickness corresponding to half of the original thickness. As a result, the pressure sensitive adhesive roll that has passed through the cutting portion 824 has a cutting line, and the pressure sensitive adhesive 251 is divided into a plurality of unit pressure sensitive adhesives 261 by the cutting lines.

The second carry section 402 is located on the downstream side of the cut section 824. The second conveying section 402 conveys the unit pressure sensitive adhesive 261 from the cut section 824 to the third guide roller 303. The second conveying section 402 includes a first conveying roller 42a and a second conveying roller 42b which are positioned opposite to each other. The central axis of the first conveying roller 42a provided in the second conveying section 402 and the central axis of the second conveying roller 42b are parallel. The first conveying roller 42a and the second conveying roller 42b of the second conveying section 402 rotate in opposite directions to each other. At least one of the first conveying roller 42a and the second conveying roller 42b of the second conveying section 402 is a driving roller. The first conveying roller 42a and the second conveying roller 42b of the second conveying section 402 may have a flexible material such as rubber or a hard material such as metal. The first conveying roller 42a and the second conveying roller 42b of the second conveying section 402 may be nip rollers.

The third guide roller 303 is located on the downstream side of the second carry section 402. The third guide roller 303 changes the conveyance direction of the unit pressure-sensitive adhesive 261 from the second conveyance portion 402 and supplies it to the pressure-sensitive adhesive position detection portion 802. The third guide roller 303 is a rotatable roller or a non-driven roller which can be rotated by itself and is not powered. The third guide roller 303 may be made of a soft material such as rubber or a hard material such as a metal.

The pressure-sensitive adhesive position detecting portion 802 is located on the downstream side of the third guide roller 303. The pressure-sensitive adhesive position detection unit 802 detects the position of the unit pressure-sensitive adhesive 261 based on the cutting line of the pressure-sensitive adhesive roll. The pressure-sensitive adhesive position detection unit 802 may include a CCD camera.

The peeling / joining portion 511 includes a peeling / joining roller 51a and a joining roller 51b located opposite to each other. The central axis of the peeling / joining roller 51a and the central axis of the joining roller 51b are parallel. The peeling / joining roller 51a and the joining roller 51b rotate in opposite directions to each other. At least one of the peeling / joining roller 51a and the joining roller 51b is a driving roller that can receive a driving force from the outside and rotate itself. The peeling / joining roller 51a and the joining roller 51b may have a soft material such as rubber or a hard material such as a metal. The peeling / joining roller 51a and the joining roller 51b may be nip rollers.

The peeling / joining roller 51a changes the conveying direction of the protective film 252 with respect to the conveying direction of the unitary adhesive agent 261. [ The peeling / joining roller 51a winds the protective film at an acute angle to separate the protective film 252 and the unitary adhesive agent 261 from each other.

The joining roller 51b joins the unitary adhesive agent 261 and the display material 351 together with the peeling / joining roller 51a. The bonded unit pressure sensitive adhesive 261 and the display material 351 are conveyed to the joining portion 512 through the peeling / joining portion 511. The display material 351 is aligned with the unit pressure sensitive adhesive 261 before the display material 351 and the unit pressure sensitive adhesive 261 are bonded. The alignment process between the display material 351 and the unitary adhesive agent 261 is performed based on the position information of the display material 351 detected by the display material position detector 803 described above. For example, the transfer system in which the display material 351 is located can be moved for alignment between the display material 351 and the unitary adhesive agent 261. The movement of the transfer system can be controlled by an alignment control unit (not shown). The alignment control section aligns the display material 351 with the unitary adhesive agent 261 by controlling the movement of the transfer system based on the positional information of the display material 351 described above.

The fourth guide roller 304 is located on the downstream side of the peeling / joining roller 51a. The fourth guide roller 304 changes the conveying direction of the protective film 252 provided from the peeling / joining roller 51a and supplies it to the fifth guide roller 305. The fourth guide roller 304 is a non-driving roller. The fourth guide roller 304 may have a flexible material such as rubber or a hard material such as metal.

The fifth guide roller 305 is located on the downstream side of the fourth guide roller 304. The fifth guide roller 305 changes the conveying direction of the protective film 252 provided from the fourth guide roller 304 and supplies it to the protective film winding unit 211. The fifth guide roller 305 is a non-driving roller. The fifth guide roller 305 may have a flexible material such as rubber or a hard material such as metal.

The protective film winding portion 211 is located on the downstream side of the fifth guide roller 305. The protective film winding unit 211 winds the protective film 252 separated from the unitary adhesive agent 261 through the peeling / joining roller 51a. The protective film winding portion 211 has a cylindrical shape, and the protective film 252 is wound along the outer peripheral surface of the protective film winding portion 211. The protective film winding unit 211 can rotate itself by receiving driving force from the outside.

The adhesive release portion 201 and the protective film winding portion 211 are driven in synchronization with each other. As a result, when the pressure sensitive adhesive roll-up section 201 unwinds the pressure sensitive adhesive roll, the protective film winding section 211 winds the protective film 252 from which the unit pressure sensitive adhesive 261 has been removed.

The display material provider 370 continuously provides display materials 351 to which at least one of the first protective film 352a and the second protective film 352b is attached. The display material 351 has a sheet form. The first protective film 352a may be attached to the front surface of the display material 351 and the second protective film 352b may be attached to the rear surface 351 of the display material 351. [ The display material 351 is a material used in a display device, and may be any of materials such as a polarizing plate, a touch screen panel, a display panel and the like.

A plurality of display materials 351 are stacked on the display material provider 370. A plurality of display materials 351 are supplied to the conveying line 475 one by one from the display material 351 located at the uppermost position. When the display material 351 located at the uppermost position is transported, the display material provider 370 totally raises all the display materials located thereunder. Thus, when one display material is transported from the display material provider 370, the next display material immediately below the display material is located at the uppermost position.

The conveying roller 49 located at the upper end of the display material supplying unit 370 conveys the display material 351 located at the uppermost position to the third conveying unit 403.

The third conveying unit 403 is located on the downstream side of the display material supplying unit 370. The third conveying section 403 conveys the display material 351 from the conveying roller 49 to the conveying line 475. [ The third conveying unit 403 includes a first conveying roller 43a and a second conveying roller 43b positioned opposite to each other. The central axis of the first conveying roller 43a provided in the third conveying section 403 and the central axis of the second conveying roller 43b are parallel. The first conveying roller 43a and the second conveying roller 43b of the third conveying section 403 rotate in opposite directions to each other. At least one of the first conveying roller 43a and the second conveying roller 43b of the third conveying section 403 is a driving roller. The first conveying roller 43a and the second conveying roller 43b of the third conveying section 403 may have a flexible material such as rubber or a hard material such as metal. The first conveying roller 43a and the second conveying roller 43b of the third conveying section 403 may be nip rollers.

The fourth to ninth conveyers 404, 405, 406, 407, 408, and 409 are disposed along the conveying line 475. The fourth to ninth conveyers 404 to 409 convey the display material 351 along the conveying line. Each of the fourth to ninth conveyers 404 to 409 includes a first conveying roller and a second conveying roller. Each of the first and second conveying rollers provided in the fourth to ninth conveying units 404 to 409 includes the first conveying roller 41a and the second conveying roller 41b of the first conveying unit 401, ).

The fourth to eighth conveyance units 404 to 408 convey the display material 351 from the upstream side to the downstream side of the conveyance line 475. The ninth conveying unit 409 supplies the display material 351 provided from the eighth conveying unit 408 to the joining unit 512.

The display material position detecting portion 803 is located between the ninth conveying portion 409 and the joining portion 512. The display material position detecting unit 803 detects the position of the display material based on the alignment mark of the display material 351. [ The display material position detection unit 803 may include a CCD camera.

The first tape supplying portion 711a provides the first peeling tape 35a. The first peeling tape 35a has a stronger adhesive force than the first protective film 352a.

The first tape supplying portion 711a includes a first tape winding portion 71a, a first guide roller 72a, a first peeling roller 73a and a first release paper winding portion 74a.

The first tape pulling-out portion 71a pulls out the first peeling tape 35a. A first release sheet 36a is attached to one surface of the first peeling tape 35a. Here, the first peeling tape 35a and the first release liner 36a are defined as a first tape roll. The first tape roll is wound in a rolled form on the first tape winding portion 71a. For example, the first tape winding portion 71a has a cylindrical shape, and the first tape roll is wound along the outer peripheral surface of the first tape winding portion 71a. The first tape take-up portion 71a can receive its driving force from the outside and rotate itself.

The first guide roller 72a is located on the downstream side of the first tape take-up portion 71a. The first guide roller 72a changes the conveyance direction of the first tape roll provided from the first tape take-up portion 71a and provides it to the first peeling roller 73a. The first guide roller 73a is a non-driving roller. The first guide roller 73a may have a soft material such as rubber or a hard material such as a metal.

The first peeling roller 73a is located on the downstream side of the first guide roller 72a. The first peeling roller 73a changes the conveying direction of the first release paper 36a with respect to the conveying direction of the first peeling tape 35a. The first peeling roller 73a winds the first release paper 36a at an acute angle to separate the first release paper 36a and the first peeling tape 35a from each other. The first peeling tape 35a separated from the first release paper 36a through the first peeling roller 73a is provided to the film peeling unit 820. [ The first peeling roller 73a is a non-driving roller. The first peeling roller 73a may have a flexible material such as rubber or a hard material such as metal.

The first release paper winding portion 74a is located on the downstream side of the first peeling roller 73a. The first release paper winding portion 74a passes through the first peeling roller 73a and winds the first release paper 36a separated from the first peeling tape 35a. The first release paper winding portion 74a has a cylindrical shape, and the first release paper 36a is wound along the outer peripheral surface of the first release paper winding portion 74a. The first release paper winding portion 74a can receive its driving force from the outside and rotate itself.

The first tape take-up portion 71a and the first release paper take-up portion 74a are driven in synchronization with each other. As a result, when the first tape winding portion 71a unwinds the first tape roll, the first release tape winding portion 74a winds the first release tape 36a from which the first release tape 35a has been removed.

And the second tape providing portion 711b provides the second peeling tape 35b. The second peeling tape 35b has a stronger adhesive force than the second protective film 352b.

The second tape supply portion 711b includes a second tape winding portion 71b, a second guide roller 72b, a second peeling roller 73b and a second release paper winding portion 74b.

And the second tape take-up portion 71b pulls the second peeling tape 35b. A second release paper 36b is attached to one surface of the second peeling tape 35b. Here, the second peeling tape 35b and the second release liner 36b are defined as a second tape roll. And the second tape roll is wound in the form of a roll on the second tape winding portion 71b. For example, the second tape winding portion 71b has a cylindrical shape, and the second tape winding is wound along the outer peripheral surface of the second tape winding portion 71b. The second tape take-up portion 71b can receive the driving force from the outside and rotate itself.

And the second guide roller 72b is located on the downstream side of the second tape winding portion 71b. The second guide roller 72b changes the conveyance direction of the second tape roll provided from the second tape take-up portion 71b and provides it to the second peeling roller 73b. The second guide roller 72b is a non-driving roller. The second guide roller 72b may have a flexible material such as rubber or a hard material such as a metal.

The second peeling roller 73b is located on the downstream side of the second guide roller 72b. The second peeling roller 73b changes the conveying direction of the second release paper 36b with respect to the conveying direction of the second peeling tape 35b. The second peeling roller 73b winds the second release paper 36b at an acute angle to separate the second release paper 36b and the second peeling tape 35b from each other. The second peeling tape 35b that has passed through the second peeling roller 73b and separated from the second release paper 36b is provided to the film peeling section 820. [ The second peeling roller 73b is a non-driving roller. The second peeling roller 73b may have a flexible material such as rubber or a hard material such as metal.

The second release paper winding portion 74b is located on the downstream side of the first peeling roller 73a. The second release paper winding portion 74b passes through the second separation roller 73b and winds the second release paper 36b separated from the second separation tape 35b. The second release paper winding portion 74b has a cylindrical shape and the second release paper 36b is wound along the outer peripheral surface of the second release paper winding portion 74b. The second release paper winding portion 74b can receive its driving force from the outside and rotate itself.

The second tape take-up portion 71b and the second release paper take-up portion 74b are driven in synchronism with each other. Thereby, when the second tape winding portion 71b pulls the second tape roll, the second release tape winding portion 74b winds the second release tape 36b from which the second separation tape 35b has been removed.

The film peeling unit 820 receives the first peeling tape 35a and the second peeling tape 35b from the first tape supply unit 711a and the second tape supply unit 711b.

The film peeling section 820 connects the first protective films 352a of adjacent display materials moving along the transfer line 475 to the first peeling tape 35a. For example, a display material positioned closer to the downstream side than the two adjacent display materials 351 is defined as a first display material, and a display material positioned closer to the upstream side is defined as a second display material The first peeling tape 35a is attached to the front end of the first protective film 352a attached to the first display material and the first protective film 352a attached to the second display material. The first peeling tape 35a is attached to the first protective film 352a on the downstream side first and then to the first protective film 352a on the upstream side.

The film peeling section 820 also connects the second protective films 352b of the adjacent display materials 351 moving along the transfer line 475 to the second peeling tape 35b. For example, a display material positioned closer to the downstream side than the two adjacent display materials 351 is defined as a first display material, and a display material positioned closer to the upstream side is defined as a second display material The second peeling tape 35b is attached to the front end of the second protective film 352b attached to the second display material and the rear end of the second protective film 352b attached to the first display material. The second peeling tape 35b is attached to the downstream side second protective film 352b first and then to the upstream side second protective film 352b.

The film peeling section 820 includes an attaching / peeling section 537, a first tape winding section 81a and a second tape winding section 81b.

The attaching / peeling portion 537 attaches the first peeling tape 35a provided from the first tape supply portion 711a to the first protective films 352a of the display materials 351. [ For example, the attaching / peeling portion 537 connects the first protective films 352a of the display materials 351 adjacent to each other to the first peeling tape 35a, as described above. Then, the attaching / peeling unit 537 changes the conveying direction of the first peeling tape 35a with respect to the conveying direction of the display materials 351. [ The first protective film 352a connected to the first peeling tape 35a is also transported in the carrying direction of the first peeling tape 35a so that the first protective film 352a is separated from the display material 351 do. Here, the first peeling tape 35a and the first protective film 352a connected to each other are defined as a first separation roll.

The attaching / detaching portion 537 attaches the second peeling tape 35b provided from the second tape providing portion 711b to the second protective films 352b of the display materials 351. [ For example, the attachment / release portion 537 connects the second protective films 352b of the display materials 351 adjacent to each other to the second peeling tape 35b, as described above. Then, the attaching / peeling portion 537 changes the conveying direction of the second peeling tape 35b with respect to the conveying direction of the display materials 351. [ Then, the second protective film 352b is separated from the display material 351 as the second protective film 352b connected to the second peeling tape 35b is conveyed in the conveying direction of the second peeling tape 35b do. Here, the second peeling tape 35b and the second protective film 352b connected to each other are defined as a second separation roll.

The attaching / peeling portion 537 includes a first attaching / peeling roller 57a and a second attaching / peeling roller 57b which are disposed facing each other with the display material 351 therebetween. The central axis of the first attachment / peeling roller 57a and the central axis of the second attachment / peeling roller 57b are parallel. The first attachment / separation roller 57a and the second attachment / separation roller 57b rotate in opposite directions to each other. At least one of the first attaching / peeling roller 57a and the second attaching / peeling roller 57b is a driving roller that can receive a driving force from the outside and rotate itself. The first attachment / peeling roller 57a and the second attachment / peeling roller 57b may have a soft material such as rubber or a hard material such as metal. The first attachment / peeling roller 57a and the second attachment / peeling roller 57b may be nip rollers.

The first tape winding portion 81a winds the first separating roll. The first tape winding portion 81a has a cylindrical shape, and the first separation roll is wound along the outer peripheral surface of the first tape winding portion 81a. The first tape winding portion 81a can receive the driving force from the outside and rotate itself.

The second tape winding portion 81b winds the second separation roll. The second tape winding portion 81b has a cylindrical shape, and the second separation roll is wound along the outer peripheral surface of the second tape winding portion 81b. The second tape winding portion 81b can receive the driving force from the outside and rotate itself.

The display material from which the first and second protective films 352a and 352b are removed by the attaching / detaching unit 537 is sequentially passed through the seventh to ninth conveying units 407 to 409, Lt; / RTI > At this time, before reaching the peeling / bonding portion 511, the display material 351 from which the first and second protective films 352a and 352b are removed is detected by the display material position detecting portion 803 .

The peeling / bonding portion 511 bonds the display material 351 and the unitary adhesive agent 261. The display material 351 to which the unit adhesive agent 261 is attached by the peeling / bonding portion 511 is conveyed to the joining portion 512. [

The bonding portion 512 bonds the window 151 with the display material 351 to which the unitary adhesive agent 261 is attached. The unit pressure sensitive adhesive 261 is positioned between the display material 351 and the window 151. The display material 351 (the display material to which the unit pressure sensitive adhesive 261 is attached) is aligned with the window 151 before the display material 351 with the unit pressure sensitive adhesive 261 attached thereto and the window 151 are bonded. The alignment process between the display material 351 and the window 151 is performed by using the positional information of the unitary pressure sensitive adhesive 261 detected from the aforementioned pressure sensitive adhesive position detecting portion 802 and the positional information of the display material 351 detected by the display material position detecting portion 803, As shown in FIG. The transfer system in which the display material 351 is located and the transfer system in which the adhesive 251 is placed can be moved for alignment between the display material 351 and the window 151. [ The movement of the transport systems can be controlled by the alignment control unit. The alignment control section aligns the display material 351 on the window 151 by controlling the movement of the transfer system based on the positional information of the unitary adhesive agent 261 and the positional information of the display material 351 described above.

2 is a view showing another structure of the film peeling unit 820 of FIG.

The film peeling section 820 may further include a first knife edge 661 and a second knife edge 662 as shown in FIG.

The first knife edge 661 is located on the downstream side of the first attachment / peeling roller 57a. The first knife edge 661 has a triangular prism shape. A part of the edge of the first knife edge 661 protrudes toward the interface between the display material 351 and the first protective film 352a. The first protective film 352a and the first peeling tape 35a pass through the first attachment / peeling roller 57a while passing between the inclined surface of the first knife edge 661 and the outer peripheral surface of the first attachment / ).

And the second knife edge 662 is located on the downstream side of the second attachment / peeling roller 57b. The second knife edge 662 has a triangular prism shape. A part of the edge of the second knife edge 662 protrudes toward the interface between the display material 351 and the second protective film 352b. The second protective film 352b and the second peeling tape 35b pass between the inclined surface of the second knife edge 662 and the outer peripheral surface of the second attaching / peeling roller 57b while the second attaching / peeling roller 57b ).

The first knife edge 661 and the second knife edge 662 are positioned opposite to each other.

The first tape supplying portion 711a may include a third knife edge 673 instead of the first guide roller 301 and the first peeling roller 73a as shown in FIG.

3 is a view showing another structure of the film peeling unit 820 of FIG.

The film peeling section 820 further includes a first knife edge 661, a second knife edge 662, a first edge roller 881 and a second edge roller 882 as shown in Fig. 3 can do.

Since the first and second knife edges 661 and 662 in FIG. 3 are the same as those in FIG. 2, the description of the first and second knife edges 662 in FIG. . The gap between the first knife edge 661 and the second knife edge 662 in FIG. 3 is larger than the gap between the first knife edge 661 and the second knife edge 662 in FIG.

A part of the edge of the first knife edge 661 shown in Fig. 3 protrudes between the first attaching / peeling roller 57a and the first peeling tape 35a.

The first edge roller 881 is located at the other edge of the first knife edge 661. For example, a first edge roller 881 is provided at an edge located closer to the downstream side than the edges of the first knife edge 661. The first edge roller 881 may be axially coupled to the first knife edge 661. [

The interval between the first attachment / separation roller 57a and the second attachment / separation roller 57b is smaller than the interval between the rollers provided in the other conveyance part. For example, the interval between the first attaching / peeling roller 57a and the second attaching / peeling roller 57b is set so that the distance between the first conveying roller 47a and the second conveying roller 47b provided on the seventh conveying portion 407 47b.

A part of the edge of the second knife edge 662 shown in Fig. 3 protrudes between the second attaching / peeling roller 57b and the second peeling tape 35b.

The second edge roller 882 is located at the other edge of the second knife edge 662. For example, a second edge roller 882 is provided at an edge located closer to the downstream side than the edge of the second knife edge 662. The second edge roller 882 may be axially coupled to the second knife edge 662. [

The display material 351 to which the first protective film 352a and the second protective film 352b are attached passes between the first knife edge 661 and the second knife edge 662. [ The first peeling tape 35a connecting the adjacent first protective films 352a and the second peeling tape 35b connecting the adjacent second protective films 352b are also connected to the first knife edge 661 And passes between the second knife edge 662. After the display material 351 passes between the first knife edge 661 and the second knife edge 662, the first peeling tape (second peeling tape) is peeled off by the first edge roller 881 and the second edge roller 882 35a and the second peeling tape 35b are separated from the display material 351. [

The second tape supplying portion 711b may include a fourth knife edge 664 instead of the second guide roller 302 and the second peeling roller 73b as shown in FIG.

Fig. 4 is a view showing the film peeling unit 820 of Fig. 3 in the direction of the arrow in Fig.

As shown in Fig. 4, the center axis of the first edge roller 881 and the center axis of the first attachment / peeling roller 57a may be parallel. In addition, the center axis of the first edge roller 881 and the center axis of the second edge roller 882 may be parallel. Further, the central axis of the second edge roller 882 and the central axis of the second attachment / peeling roller 57b may be parallel.

Fig. 5 is a view showing the film peeling unit 820 of Fig. 3 in the direction of the arrow in Fig.

As shown in Fig. 5, the center axis of the first edge roller 881 may not be parallel to the center axis of the first attachment / peeling roller 57a. In this case, since the first protective film 352a attached to the display material 351 is separated from the corner portion thereof, the peeling work for the first protective film 352a becomes easier. Here, the angle? Between the central axis of the first edge roller 881 and the center axis of the first attachment / peeling roller 57a may be 10 to 40 degrees. For example, the angle may be 15 degrees or 30 degrees.

In addition, the center axis of the second edge roller 882 may not be parallel to the center axis of the second attachment / peeling roller 57b. In this case, since the second protective film 352b attached to the display material 351 is separated from the corner portion thereof, the peeling work for the second protective film 352b becomes easier. Here, the angle formed by the center axis of the first edge roller 881 and the center axis of the first attachment / peeling roller 57a may be 10 degrees to 40 degrees. For example, the angle may be 15 degrees or 30 degrees.

In addition, the center axis of the first edge roller 881 and the center axis of the second edge roller 882 may not be parallel. That is, as shown in Fig. 5, the center axis of the first edge roller 881 and the center axis of the second edge roller 882 may intersect with each other. In this case, the peeling balance can be maintained when the first and second protective films 352a and 352b are removed.

In addition, the center axis of the second edge roller 882 may not be parallel to the center axis of the second attachment / peeling roller 57b.

6 is a cross-sectional view of the first and second peeling tapes 35a and 35b taken along the line I-I 'in a plan view and a plan view thereof.

The first peeling tape 35a includes a base portion 35a-1 and a bonding portion 35a-2. At this time, as shown in FIG. 6, the adhesive portion 35a-2 may be located only at the edge of the base portion 35a-1. In other words, no adhesive portion exists in the center portion of the base portion 35a-1. Therefore, the base portion 35a-1 is exposed to the outside from the central portion of the first peeling tape 35a.

The second peeling tape 35b includes a base portion 35b-1 and a bonding portion 35b-2. At this time, as shown in FIG. 6, the bonding portion 35b-2 may be located only at the edge of the base portion 35b-1. In other words, no adhesive portion exists in the center portion of the base portion 35b-1. Therefore, the base portion 35b-1 is exposed to the outside at the center portion of the second peeling tape 35b.

When the first and second peeling tapes 35b have a structure as shown in Fig. 6, there is no adhesive portion on the opposite surfaces of the first peeling tape 35a and the second peeling tape 35b Do not. Therefore, even if the thickness of the display material 351 is extremely small, the first peeling tape 35a and the second peeling tape 35b do not stick together.

7 is a cross-sectional view taken along line I-I 'of another plan view of the first and second peeling tapes 35a and 35b and other plan views thereof.

Each of the first peeling tape 35a and the second peeling tape 35b includes the base portions 35a-1 and 35b-1 and the bonding portions 35a-2 and 35b-2 do. However, the bonding portion 35a-2 provided on the first peeling tape 35a in Fig. 7 may be located on the entire surface of the base portion 35a-1. Similarly, the bonding portion 35b-2 provided on the second peeling tape 35b may also be located on the front surface of the base portion 35b-1. However, each of the bonding portions 35a-2 and 35b-2 provided on the first and second peeling tapes 35a and 35b in Fig. 7 has the base portions 35a-1 and 35b- 35b-1.

The first peeling tape 35a and the second peeling tape 35b in Fig. 7 do not face each other. In this case, the contact area between the first peeling tape 35a and the first protective film 352a and the contact area between the second peeling tape 35b and the second protective film 352b are reduced, The adhesive force between the films 352a and 352b may be weakened. To prevent this, a plurality of first peeling tape 35a and second peeling tape 35b may be provided. For example, as shown in Fig. 7, two first peeling tapes 35a are attached to the first protective films 352a, two second peeling tapes 35b are attached to the second protective film 352a, Lt; RTI ID = 0.0 > 352b. ≪ / RTI >

When the first and second peeling tapes 35a and 35b have a structure as shown in Fig. 7, even if the thickness of the display material 351 is considerably small, the first peeling tape 35a and the second peeling tape 35a The tape 35b does not stick together.

It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit or scope of the general inventive concept as defined by the appended claims and their equivalents. Will be clear to those who have knowledge of.

101: Window release section 201: Adhesive release section
211: protective film winding part 301-305: first to first guide rollers
401 to 409: first to ninth conveyer units 512:
511: peeling / joining portion 801: window position detecting portion
802: pressure-sensitive adhesive position detecting portion 803: display material position detecting portion
370: display material providing unit 711a: first tape supply unit
711b: second tape supplier 820: film peeling unit
475: conveying line 152: carrier film
151: Window 251: Adhesive
252: protective film 351: display material
352a: first protective film 352b: second protective film
49: conveying roller 824:
71a: first tape winding portion 72a: first guide roller
73a: first peeling roller 74a: first release paper winding part
71b: second tape winding portion 72b: second guide roller
73b: second peeling roller 74b: second release paper winding part
537: attachment / peeling portion 57a: first attachment / peeling roller
57b: second attachment / peeling roller 41a, 42a, 43a: first conveying roller
41b, 42b, 43b: second conveying roller 51a: peeling / joining roller
51b: joining roller 52a: first joining roller
52b: second joining roller 35a: first peeling tape
35b: second peeling tape 36a: first release liner
36b: second release

Claims (16)

A display material supplier for continuously providing display materials to which at least one of the first protective film and the second protective film is attached;
A conveyance line for receiving and conveying display materials from the display material supplier;
A first tape providing member for providing a first peeling tape; And
Connecting the first protective films of adjacent display materials moving along the transfer line to the first peeling tape and separating the display material and the first peeling tape to form first protective films of adjacent display materials And a film peeling section for removing the film. The method according to claim 1,
Wherein the first tape providing unit comprises:
A first tape winding portion for winding the first peeling tape with the first release paper attached thereto;
A first peeling roller for changing a conveying direction of the first release paper with respect to a conveying direction of the first peeling tape; And
And a first release paper winding section for winding up the first release paper conveyed through the first separation roller. 3. The method of claim 2,
Wherein the first tape providing unit comprises:
Further comprising a first guide roller for changing a conveyance direction of the first release paper and the first release tape from the first tape take-up portion and providing the same to the first peeling roller. The method according to claim 1,
The film-
Attaching / detaching the first peeling tape provided from the first tape supplier to the first protective films of the display materials and changing the conveying direction of the first peeling tape with respect to the conveying direction of the display materials, part; And
And a first tape winding portion for winding up the first peelable tape and the first protective films carried through the attachment / peeling portion. 5. The method of claim 4,
Wherein the attaching / peeling portion includes a first attaching / peeling roller and a second attaching / peeling roller which are disposed opposite to each other with the display material therebetween and rotate in opposite directions;
Wherein the film peeling section further comprises a first knife edge positioned on a downstream side of the first attaching / peeling roller. 6. The method of claim 5,
Wherein the film peeling section further comprises a first edge roller positioned at an edge of the first knife edge. The method according to claim 6,
Wherein the central axis of the first edge roller and the central axis of the first attaching / peeling roller are not parallel to each other. The method according to claim 6,
Wherein the film peeling section further comprises a second knife edge positioned on the downstream side of the second attaching / peeling roller. 9. The method of claim 8,
Wherein the film peeling section further comprises a second edge roller located at an edge of the second knife edge. 10. The method of claim 9,
Wherein the central axis of the second edge roller and the central axis of the second attaching / peeling roller are not parallel. 11. The method of claim 10,
Wherein the center axis of the first edge roller and the center axis of the second edge roller intersect each other. 6. The method of claim 5,
Further comprising: a first conveying roller and a second conveying roller which are opposed to each other with the display material therebetween and rotate in opposite directions;
The first conveying roller is located on the downstream side of the first attaching / peeling roller;
And the second conveying roller is located on the downstream side of the second attaching / peeling roller. 13. The method of claim 12,
Wherein an interval between the first conveying roller and the second conveying roller is smaller than an interval between the first attaching / peeling roller and the second attaching / peeling roller. The method according to claim 1,
The first peeling tape may have a thickness
A base portion; And
And an adhesive portion located at an edge of the base portion. The method according to claim 1,
And a second tape supply unit for providing the second peeling tape;
Wherein the film peeling unit connects the second protective films of adjacent display materials moving along the transfer line to the second peeling tape, separates the display material and the second peeling tape, 2. The lamination apparatus for a display device according to claim 1, further comprising the step of removing the protective films. 16. The method of claim 15,
The first peeling tape connected to the adjacent first protective films and the second peeling tape connected to the adjacent second protective films do not face each other.

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