KR20140091323A - Film attaching system and film attaching method using the same - Google Patents

Film attaching system and film attaching method using the same Download PDF

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Publication number
KR20140091323A
KR20140091323A KR20130003459A KR20130003459A KR20140091323A KR 20140091323 A KR20140091323 A KR 20140091323A KR 20130003459 A KR20130003459 A KR 20130003459A KR 20130003459 A KR20130003459 A KR 20130003459A KR 20140091323 A KR20140091323 A KR 20140091323A
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KR
South Korea
Prior art keywords
film
moving
seating
unit
roller
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KR20130003459A
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Korean (ko)
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KR101625263B1 (en
Inventor
정재식
조재준
김명환
임옥균
Original Assignee
엘지전자 주식회사
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Priority to KR1020130003459A priority Critical patent/KR101625263B1/en
Priority to CN201310741158.XA priority patent/CN103921521B/en
Publication of KR20140091323A publication Critical patent/KR20140091323A/en
Application granted granted Critical
Publication of KR101625263B1 publication Critical patent/KR101625263B1/en

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Abstract

A film attaching system, according to the embodiment of the present invention, comprises a film receiving unit of a plane state; a film moving unit which moves a film member to an opposite side of the film receiving unit; and a film operating unit which is located on an opposite side to the film moving unit with regard to the film receiving unit and moves along the film moving unit while pressing the film receiving unit in the direction of the film moving unit. When the film receiving unit and the film moving unit which moves to the opposite side of the film receiving unit are stopped, the film operating unit is moved.

Description

[0001] The present invention relates to a film attaching system and a film attaching method using the same,

The present invention relates to a film attaching system for attaching a film to an object including a display panel and a film attaching method using the same.

In manufacturing a display panel including an LCD, an OLED, or a PDP, a process of attaching a light shielding film, a diffusion film, or the like to the substrate surface of the panel is performed to improve the display function.

Conventional film attaching methods are largely classified into a drum attaching method (Korea Patent Publication No. 2012-0107360) and a roller attaching method (Korea Patent Publication No. 2007-0037152).

In the case of the drum attaching method, the film is adsorbed on the outer circumferential surface of the drum, then the release paper is separated, and the drum is rotated along the surface of the panel to attach the film to the surface. However, in the case of such a drum attaching method, there is a disadvantage that the outer diameter of the drum must be increased as the size of the film becomes larger, and there is a disadvantage that bubbles are likely to be generated.

In the case of the roller attachment method, the film is vacuum-adsorbed on the film seating surface, and the panel and the film are pressed together by the rollers while passing between the pair of rollers. In the case of such a roller attaching method, there is an advantage that bubble generation can be minimized. However, there is a disadvantage in that the adhesion effect is lowered, and there is a disadvantage in that the position of the film is changed or the film is stretched due to the structure attached to the panel in the state that the film is attached to the panel.

In addition, since the seat portion on which the film is seated absorbs and supports the film by using a vacuum, since there is no vacuum suction hole in the seat portion corresponding to the front end portion and the rear end portion of the film, can not do it. Thus, in the process of the film being drawn into the pair of rollers along the panel, the film can be separated from the film seating before it is attached to the panel. As a result, air and air bubbles are generated between the film and the panel at the front end portion and the rear end portion of the film, particularly at the rear end portion.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a film adhering system and a film adhering method using the same, which are capable of minimizing the positional shift of the film and minimizing the occurrence of bubbles during the film adhering process .

According to another aspect of the present invention, there is provided a film deposition system including: a flat film loading unit; A film moving unit for moving the film member to the opposite side of the film mount; And a film operating portion which is located on the opposite side of the film moving portion with respect to the film seating portion and moves along the moving portion while pressing the film seating portion in the direction of the film moving portion, And the film handling unit is moved in a state where the film holding unit and the film holding unit stop.

According to another aspect of the present invention, there is provided a film deposition system having a film transfer position and a film deposition position, the film deposition system comprising: a film transfer section for transferring a film to a film transfer position; A panel moving unit for moving the display panel to the film attaching position by suction; A film seating part in the form of a sheet having both sides fixed and flat; A film operation unit which is positioned on one side of the film seating unit and presses the film seating unit toward the film moving unit or the panel moving unit; And a transfer section for transferring the film seat section and the film operation section so as to move between the film transfer position and the film attachment position.

Further, a film adhering method according to an embodiment of the present invention includes: a film transfer process in which a film member is transferred to one surface of a horizontally placed film deposition unit; A release film peeling step of removing the release film adhered to the film member; And a film adhering step of adhering a film from which the release paper has been removed to a display panel, wherein the film transferring step is a step of transferring the film to a predetermined position Moving to a distance apart position; The operation rollers located on the other side of the film receiving portion move in the vertical direction until the film receiving portion comes in contact with one side of the film member, thereby pushing the film receiving portion in the vertical direction; And a step in which the operation roller is moved in a horizontal direction and the film member is transferred to the film seating portion in a state where the film seating portion is in contact with one surface of the film member.

According to another aspect of the present invention, there is provided a film adhering method comprising: An object moving part moving a film member or an adhering object to which the film material is adhered to the opposite side of the film receiving part; And a film operating unit located on the opposite side of the object moving unit with respect to the film seating unit and moving in a horizontal direction while pushing the film seating unit in a vertical direction, the method comprising: And the film handling unit moves in the horizontal direction while pushing the film receiving unit toward the object moving unit in a state where the moved object moving unit and the film receiving unit stop.

The film adhering system and the film adhering method constituted as described above have the following effects.

First, since the film member is attached to the panel in a state where the film member is seated on the adhesive or absorbable film seating portion, there is an advantage that the positional deviation of the film can be minimized.

Since the film is not drawn to the panel while the film moves along with the panel during the attaching process, the film can be prevented from sagging.

Third, since there is no need to change the diameter of the adhering roller according to the size of the film, the disadvantage of increasing the volume of the film adhering system is eliminated, and since a film of any size can be accommodated, .

Fourth, since the film-adhering roller pushes up the film from the lower side of the film and moves along the panel while sticking to the surface of the panel, there is an advantage that the occurrence of air bubbles between the panel and the film during the adhering process can be minimized.

Fifth, since the film is not separated from the seat portion until the front end portion and the rear end portion of the film are attached to the panel by the film attaching roller, a uniform attraction force acts from the front end portion to the rear end portion of the film. Therefore, there is an advantage that the occurrence of bubbles in the front end portion and the rear end portion of the film is minimized.

Sixth, since the tension of the film placing part is appropriately controlled during the film attaching process due to the tension holding structure, the stretching of the film during the film attaching process is prevented.

1 is an external perspective view of a film attachment system according to an embodiment of the present invention;
2 is a perspective view showing an internal configuration of a film attaching system;
Figure 3 is a longitudinal section of a film attachment system cut along II of Figure 1;
4 is a perspective view showing a seating seat constituting a film seating unit according to an embodiment of the present invention;
5 is a process flow diagram schematically illustrating a film adhering process in a film adhering system according to an embodiment of the present invention.
6 is a process diagram showing a film transfer process of a film deposition system according to an embodiment of the present invention;
FIG. 7 is a process diagram showing a release process of a film-attaching system according to an embodiment of the present invention; FIG.
8 is a process diagram showing a film deposition process in a film deposition system according to an embodiment of the present invention.

Hereinafter, a film attaching system and a film attaching method using the same according to an embodiment of the present invention will be described in detail with reference to the drawings.

FIG. 1 is an external perspective view of a film attaching system according to an embodiment of the present invention, and FIG. 2 is a perspective view showing an internal structure of a film attaching system.

Referring to FIGS. 1 and 2, a film deposition system 10 according to an embodiment of the present invention is configured to continuously perform a film transfer process, a release film peeling process, and a film deposition process. Then, the film transfer position A, the release paper peeling position B, and the film attaching position C are sequentially positioned.

In detail, the film attaching system 10 includes a film moving section 11 for moving the film member to the film transfer position A, a film seating section 13 on which the film member for attachment is seated, (12) for moving the part to the film transfer position (A), the release paper peeling position (B) and the film attaching position (C) along the process line, A film manipulating unit 14 for operating the film member while moving on the transferring unit 12 and a display panel to which the film is to be attached to a film attaching position C (Not shown).

In detail, operation operations performed by the film operation unit 14 are as follows. First, it includes a transferring step of transferring the film member attached to the film moving section 11 to the film receiving section 13. [ Secondly, it includes an attaching step of attaching the film transferred to the film seating part 13 to a display panel attached to the panel moving part 31. [ That is, the operating operation of the film operating portion 14 includes a transfer operation of the film member and an operation of attaching the film member.

Details of the processes will be described in detail below with reference to the drawings.

3 is a longitudinal section of the film attachment system cut along I-I in Fig.

3, the film attaching system 10 according to the embodiment of the present invention includes a film moving section 11, a transfer section 12, a film seating section 13, (14), a tension adjusting unit (15), and a panel moving unit (31).

Specifically, the film moving unit 11 includes a suction plate 111 on which the object 20 is adsorbed on the bottom surface, and an elevation member 112 that moves the adsorption plate 111 up and down. The object 20 includes a film member 21 to be described later. The adsorption plate 111 can be attached to the object 20 using a vacuum adsorption method. That is, when a large number of suction holes are formed in the suction plate 111, and when the object 20 forms vacuum pressure in a state where the suction nozzle 111 is in contact with the suction plate 111, Tightly.

The panel moving unit 31 (see FIG. 5) is almost the same as the film moving unit 11. A panel attracting plate 311 on which the object 20 is absorbed on the bottom surface and an elevating member 312 for moving the panel attracting plate 311 up and down. The object (20) includes a display panel (21). The panel adsorption plate 311 can be attached to the display panel 21 by using a vacuum adsorption method. That is, when a large number of suction holes are formed in the panel attracting plate 311 and vacuum pressure is formed in a state where the display panel 21 is in contact with the panel attracting plate 311, And strongly adhered to the attracting plate 311.

The film seating portion 13 is a portion on which the object 20, specifically the film member 21, is moved by the film moving portion 11. Specifically, the film seating portion 13 includes an adsorption pad 132 on which the film member 21 is seated by suction or adhesion, a seating sheet 131 on which the adsorption pad 132 is placed, A pair of support bars 133 for tightly supporting both ends of the sheet 131 and a support base 134 for supporting both ends of each of the pair of support bars 133.

In addition, the tension adjusting unit 15 is a member for adjusting the tension of the seating sheet 131 during the film transfer and the film deposition process. The tension adjusting unit 15 includes a driving arm 152 connected to the supporting table 134, a driving unit 151 for moving the driving arm 152 in the forward and backward directions, A slider 153 connected to the bottom surface, and a guide rail 154 on which the slider 153 is movably connected. The guide rail 154 is fixed to the upper surface of the support wall 122b of the main stage 122, which will be described later. The tension adjusting unit 15 is connected to one of the pair of support bars 133 and specifically to a pair of support bars 134 for supporting any one of the pair of support bars 133 Respectively. In this embodiment, the tension adjusting unit 15 is shown as being connected to one of the supporting members 134, but it may be connected to the supporting members 134 on both sides.

The driving arm 152 is extended or contracted from the driving unit 151 by the operation of the driving unit 151 so that any one of the pair of supporting bars 133 approaches or moves away from the other. Then, the tension of the seating sheet 131 is increased or decreased.

The driving mechanism including the driving unit 151 and the driving arm 152 may be a solenoid member for advancing or retracting the driving arm 152 in accordance with the power supply direction. Alternatively, the driving unit 151 may be a motor, and the driving arm 152 may be a screw type so that the driving arm 152 may be moved forward or backward according to the rotational direction of the driving unit 151 . In this way, all the driving mechanisms capable of realizing the forward or backward linear motion of the supporting table 134 constituting the film seating unit 13 are included in the tension adjusting unit according to the embodiment of the present invention.

Meanwhile, according to the operation of the driving mechanism, the slider 153 advances or retreats along the guide rails 154 to adjust the tension of the seating sheet 131.

The conveying unit 12 includes a conveying rail 121 and a main stage 122 that moves along the conveying rail 121. In addition, the conveying rails 121 may be provided in such a manner that a pair of the conveying rails extend in parallel.

The main stage 122 includes a base plate 122a slidably connected to the feed rail 121 and a pair of support walls 122b extending from upper ends of both ends of the base plate 122a. ). The film seating portion 13 is mounted on the upper surface of the support wall 122b. More specifically, the support bar 133 of the film seating portion 13 is placed in a direction crossing the longitudinal direction of the support wall 122b. That is, both end portions of the support bar 133 are respectively placed on the upper surfaces of the pair of support walls 122b, and one of the pair of support bars 133 is placed on one end of the support wall 122b And the other is located at the other end of the support wall 122b.

In this state, the main stage 122 is moved along the feed rail 121 by driving means (not shown) according to each process for attaching the film.

The film manipulating unit 14 may be formed by a film transfer process for allowing the film member 21 to be attracted to the adsorption pad 132 and a film attaching process for attaching the film member 21 to the display panel 22 .

In detail, the film operating section 14 is largely divided into a moving mechanism, a lifting mechanism and a rolling mechanism. That is, the moving mechanism functions to move the rolling mechanism in the forward and backward directions, and the elevating mechanism functions to lift the elevating mechanism in the vertical direction.

More specifically, the rolling mechanism includes an operation roller 141 which rotates in a state of being in tight contact with the front surface of the seating sheet 131 in an operation mode, and a roller supporting portion 142 that supports the operation roller 141 . The operation roller 141 includes a cylindrical roller corresponding to the width of the seating sheet 131. The roller support portion 142 is connected to both ends of the operation roller 141 to support the operation roller 141 in a rotatable state.

The elevating mechanism includes a pair of roller elevating portions 143 provided at both ends of the bottom surface of the roller supporting portion 142 and a roller stand 144 supporting the pair of roller elevating portions 143, . The roller stand 144 may be provided in the shape of a bar extending in a length corresponding to the length of the roller support portion 142.

The conveying mechanism includes a conveying nut 145 fixed to the center of the bottom surface of the roller stand 144 and a conveying nut 145 extending through the conveying nut 145 and extending a predetermined length in the longitudinal direction of the base plate 122a. A feed motor 147 for rotating the feed screw 146 in the forward or reverse direction and a pair of support blocks 148 for supporting both ends of the feed screw 146. The support block 148 is fixed to the upper surface of the base plate 122a and the conveying screw 146 is idled and rotated in a state of being connected to the support block 148. [ One end of the conveying screw 146 is inserted into one of the pair of support blocks 148 and the other end of the conveying screw 146 passes through the other of the pair of support blocks 148, 147). Spiral-shaped threads are formed on the outer circumferential surface of the feed screw 146, and thread grooves are formed on the inner circumferential surface of the feed nut 145 so as to engage with the threads. When the feed motor 147 rotates in the forward or reverse direction, the feed screw 146 rotates in the forward or reverse direction and the feed nut 145 and / The roller stand 144 is linearly moved along the conveying screw 146 in a direction toward or away from the conveying motor 147. The roller elevating unit 143 may have the same mechanism as the driving mechanism of the tension adjusting unit, so that the rolling mechanism may be vertically moved up and down. Here, the moving mechanism is not limited to a screw and nut coupling structure, but may be a belt or a sprocket and a motor coupling structure. For example, a structure in which a closed loop type belt or a sprocket is provided, a pinion and a motor are connected to the inner circumferential surface of the end portion of the belt or the sprocket, and the roller stand 144 is connected to the belt or the sprocket. Then, when the motor and the pinion rotate, the belt or the sprocket rotates in one direction, and the roller stand 144 moves together with the belt or the sprocket.

4 is a perspective view showing a seating seat constituting a film seating portion according to an embodiment of the present invention.

4, the seating sheet 131 according to the embodiment of the present invention is formed in a rectangular shape, and both end portions thereof may be attached to the outer peripheral surface of the support bar 133 in a wound manner. The adsorption pad 132 is fixed to the upper surface of the seating sheet 131.

In detail, the adsorption pad 132 includes a micro pad or a urethane sheet having a minute hole so that the film member 21 is seated and does not slip. The seating sheet 131 may include a metal sheet having a thickness of several tens to several hundreds of micrometers and may have a predetermined flexibility or elasticity. Further, it may be made of a wrinkle-free material which does not generate a folding line due to an external force.

It is very important that the film member 21 adsorbed on the adsorption pad 132 during the film transfer process does not slip on the adsorption pad 132 during the operation of the operation roller 141. Therefore, it is preferable that the upper surface of the adsorption pad 132 is made of a material capable of generating a sufficient frictional force upon contact with the film member 21, or may be subjected to a predetermined surface treatment. The meaning of 'transfer' in the present invention means that the film member 21 does not slide on the adsorption pad 132 but does not slip on the adsorption pad 132 ) Of the adhesive layer. The adhesive force of the adsorption pad 132 may be greater than the adhesive force between the film 211 constituting the film member 21 and the release paper 212.

5 is a process flow diagram schematically showing a film adhering process in a film adhering system according to an embodiment of the present invention.

Referring to FIG. 5, the film adhering process of the film adhering system 10 according to the embodiment of the present invention is divided into a film transfer process, a release film peeling process, and a film adhering process.

In detail, the transfer part 12 of the film attachment system 10 moves to the position of each process. That is, as the main stage 122 of the conveying unit 12 slides along the conveying rail 121 by a driving unit (not shown), in the film transferring step, the main stage 122 is moved to the film transfer position A ). The film member 21 is adsorbed and fixed to the adsorption plate 111 of the film moving unit 11 through a separate process. The film member 21 is in a state in which the release paper 212 is attached to the upper surface of the film 211 and the surface of the release paper 212 is attracted to the suction plate 111.

In the film transfer process, the film transfer unit 11 moves to the upper side of the transfer unit 12 with the film member 21 attached thereto. Then, the film member is transferred to the adsorption pad 132 of the film deposition unit 13 provided in the transfer unit 12.

When the film transfer process is completed, the transfer unit 12 moves to the release sheet peeling position B and the release sheet peeling process is performed. In the release paper peeling process, the release roller 30 moves to the upper side of the film member and contacts the release paper 212. The releasing roller 30 is moved in a state where the releasing paper 212 is attached to the releasing roller 30 and the release paper 212 adhered to the film 211 is separated. The release roller 30 rotates while moving linearly from one end to the other end of the film member 21 so that the release paper 212 is wound on the outer peripheral surface of the release roller 30.

The main stage 122 moves to the film attaching position C and the panel moving unit 31 to which the display panel 22 is sucked moves the film 211 As shown in FIG. In this state, the process of attaching the film 211 to the display panel 22 is performed.

Hereinafter, each of the film transfer, release of the release paper, and film adhering process will be described in detail with reference to a process flowchart.

FIG. 6 is a process diagram showing a film transfer process of the film deposition system according to the embodiment of the present invention.

Referring to FIG. 6, the main stage 122 is located at the film transfer position A. FIG.

 First, as shown in step (a), the film moving unit 11 to which the film member 21 is adsorbed on the adsorption plate 111 moves to the upper side of the adsorption pad 132.

The adsorption pad 132 and the film member 21 are spaced apart from each other by a predetermined distance so that the film member 21 contacts the adsorption pad 132 when the operation roller 141 is lifted The suction plate 111 may be lowered by driving the elevating member 112. [0064] At this time, the operation roller 141 is located at a position coinciding with the end of the film member 21.

Next, as shown in step (b), the roller elevating part 143 is operated to raise the operating roller 141, and the film member 21 is brought into contact with the adsorption pad 132. At this time, the tension adjusting unit 15 is operated to move the supporting table 134 of the film receiving unit 13 in a direction to approach the opposite supporting table 134. In this case, the seat seat 131 is not stretched but the tension is kept constant in a taut state, thereby preventing the film member 21 from being stretched. In addition, since the seating sheet 131 is held tight, the lifting phenomenon does not occur between the adsorption pad 132 and the film member 21 during the film transfer process. The film member 21 is adhered to the adsorption pad 132 by the adhesive force of the adsorption pad 132.

As shown in steps (c) and (d), the feed screw 146 rotates in any one direction in accordance with the rotation of the feed motor 147, The feed nut 145 and the roller stand 144 move along the feed screw 146 in a direction toward the feed motor 147. Accordingly, the operation roller 141 is moved in one direction (right direction in the drawing) so that the film member 21 is closely adhered to the adsorption pad 132. At this time, in response to the speed at which the operating roller 141 passes, the vacuum state is released in the region of the suction plate 111 corresponding to the region where the operating roller 141 has passed, (111) and seated on the adsorption pad (132).

When the operation roller 141 is moved to the end of the film member 21 and the entire surface of the film member 21 is transferred to the adsorption pad 132 as shown in step (e) The operating roller 141 is lowered and returned to the original position by the reverse drive of the feed motor 147. [ At this time, the elevating mechanism and the moving mechanism operate together.

FIG. 7 is a process diagram showing a process of peeling a release sheet of a film adhering system according to an embodiment of the present invention.

When the film transfer process is completed, the main stage 122 moves to the release paper peeling position B along the transfer rail 121 by the operation of the driving means (not shown). When the main stage 122 arrives at the release paper peeling position, the release roller 30 is lowered. The release roller 30 descends until it contacts one end of the release paper 212 constituting the film member 21 and the releasing roller 30 adheres to the release roller 30 in a state in which the release paper 212 is attached to the release roller 30. [ 30 advance while rotating. Then, the release paper 212 adhered to the film 211 is separated from the film 211 while being wound on the release roller 30. When the release paper 212 is completely separated from the film 211, the release roller 30 moves upward and moves to its original position. The adhesive force of the adsorption pad 132 is formed to be larger than the adhesive force between the film 211 of the film member 21 and the release paper 212. Therefore, when the release paper 212 is peeled off, The pad 132 remains attached.

8 is a process diagram showing a process of attaching a film to a film adhering system according to an embodiment of the present invention.

8, the main stage 122 moves to the film attaching position C along the feed rail 121 by the driving means (not shown) in a state in which the releasing paper 212 is separated. When the main stage 122 reaches the film attaching position C, the panel attracting plate 311 on which the display panel 22 is attracted moves to the upper side of the film 211. The interval between the display panel 22 and the film 211 is substantially the same as the interval between the film member 21 and the adsorption pad 132 during the film transfer process, . The other operations are substantially the same as or substantially similar to the operations in the film transfer process.

In detail, as shown in step (a), the display panel 22 is positioned in the upper right room of the film 211 so that the edges of the film 211 and the film Ensure that the attachment areas match exactly.

In this state, as shown in step (b), the operation roller 141 is raised, and at the same time, the tension adjusting unit 15 is operated so that the upper surface of the film 211 is pressed against the display panel 22 Contact.

Then, as shown in steps (c) and (d), the operation roller 141 rotates and advances to attach the film 211 to the display panel 22. At this time, the film 211 is separated from the adsorption pad 132. This is because the adhesive force between the film 211 and the adsorption pad 132 is smaller than the adhesive force between the film 211 and the display panel 22, rather than applying a separate separating member.

Finally, when the film 211 is completely attached to the display panel 22, the operation roller 141 is lowered and returned to its original position.

It should be noted that a film adhering system in which the panel adsorption plate 311 is positioned below the film seating portion 13 is also included in the embodiment of the present invention.

In other words, in the above-described embodiment, a system in which the film moving unit 11 is vertically symmetrical with respect to the horizontal plane, the attracting plate 111 of the film moving unit 11 faces upward and the attracting pad 132 Can be directed to the lower side. Then, the operation roller 141 moves downward and advances and pushes down the seating sheet 131, so that the film member 21 is attached to the adsorption pad 132. When the operation roller 141 descends and advances while the display panel 22 is seated on the panel attracting plate 311 of the panel moving unit 31, Lt; / RTI >

The film member 21 and the display panel 22 are placed on the upper surface of the film moving unit 11 and the panel moving unit 31 so that the film member 21 ) Or the vacuum adsorption structure for causing the display panel 22 to be adsorbed. Accordingly, the attracting plate 111 may be a flat seating plate that simply supports the film member 21 or the display panel 22.

On the other hand, in the present embodiment, the main stage 122 of the transfer unit 12 is moved to each process position to perform film transfer, release and attachment processes, but other methods are possible.

For example, the configuration of the main stage 112 including the film seating unit 13 and the film operation unit 14 is fixed at a certain position, and the film moving unit 11 and the panel moving unit 31 It is also possible to move to the upper side of the film receiving portion 13 to perform the corresponding process. Specifically, first, the film moving unit 11 that has adsorbed the film member moves to the upper side of the film seating unit 13, transfers the film member to the film seating unit, and then the releasing roller is moved to the film seating unit 13 ) To remove the release paper of the film member. Finally, a display panel may be attached to the panel moving part 11 to move to the upper side of the film seating part 13 so that the film is attached to the display panel.

As another method, the film moving unit 11 and the panel moving unit 31 are configured separately from each other, but it is also possible to constitute the moving unit with one configuration. That is, in order to transfer the film, the moving part moves in a state in which the film member is adsorbed, and the film member is transferred to the film seating part. Thereafter, the moving unit may adsorb the display panel while the release paper stripping process is performed, and then perform the film adhering process after the release paper stripping process is completed.

According to such a film adhering process, the release sheet is separated in a state in which the film member is adhered to the drum, and a method in which the drum moves along the surface of the display panel or a method in which the film adheres while passing through the display panel and the film between the two rollers The possibility that air bubbles are generated between the film and the display panel is remarkably lowered. In addition, there is an advantage that the film is not easily adhered to the front end portion and the rear end portion of the film, and the possibility of occurrence of air bubbles is remarkably lowered. There is also an advantage of solving the conventional problem that the diameter of the drum increases as the size of the film increases.

Claims (34)

A flat film mount;
A film moving unit for moving the film member to the opposite side of the film mount;
And a film operating portion located on the opposite side of the film moving portion with respect to the film seating portion and moving along the moving portion while pressing the film seating portion toward the film moving portion,
Wherein the film handling section moves while the film moving section and the film receiving section moved to the opposite side of the film receiving section are stationary.
The method according to claim 1,
Wherein the film-
A flat sheet-like seating sheet,
An adsorption pad provided on one side of the seating sheet and onto which the film member is transferred,
And a pair of support members for supporting both end portions of the seating sheet,
Wherein at least one of the pair of support members is movable in a horizontal direction.
3. The method of claim 2,
And a tension adjusting unit connected to any one of the support members and moving one of the support members in a horizontal direction to adjust a tension of the seat.
The method according to claim 2 or 3,
Wherein each of the pair of support members comprises:
A support bar to which the end of the seating sheet is connected,
And a pair of supports for supporting both ends of the support bar.
5. The method of claim 4,
Further comprising a main stage for supporting the film seating portion and the film operation portion,
The main stage includes:
A base plate on which the film handling part is placed,
And a pair of support walls at both lateral ends of the base plate, the pair of support walls being perpendicular to the base plate.
6. The method of claim 5,
The support bar is placed in a direction crossing the support wall,
Wherein the support is connected to the support wall.
6. The method of claim 5,
And a transfer rail connected to the other surface of the base plate to allow the base plate to move horizontally.
6. The method of claim 5,
The film-
An operating roller extending horizontally in the widthwise direction of the seating sheet and moving in the horizontal direction while pushing the seating sheet in the vertical direction,
A roller elevating part for moving the operating roller in the vertical direction,
And a moving mechanism for moving the roller elevation unit in a horizontal direction while being fixed to the base plate.
9. The method of claim 8,
The transfer mechanism comprises:
A conveying nut to which the roller elevating unit is fixed,
A conveying screw connected to the conveying nut and extending in the longitudinal direction of the seating sheet,
And a feed motor for rotating the feed screw,
Wherein the feed nut is linearly moved along the feed screw by rotation of the feed screw.
The method according to claim 1,
Further comprising a release roller for removing the release paper attached to the film member with the film member resting on the film support.
The method according to claim 1,
Further comprising: a panel moving section for sucking the display panel and moving the display panel to the opposite side of the film seating section.
The method according to claim 1,
Wherein the film moving unit is a single object and alternately moves the film member or the display panel according to a working process.
8. The method of claim 7,
Wherein the main stage moves along the conveying rail to horizontally move the film seating to a corresponding work process location.
A film attachment system having a film transfer position and a film attachment position,
A film moving unit which moves the film to the film transfer position by adsorbing the film;
A panel moving unit for moving the display panel to the film attaching position by suction;
A film seating part in the form of a sheet having both sides fixed and flat;
A film operation unit which is positioned on one side of the film seating unit and presses the film seating unit toward the film moving unit or the panel moving unit; And
And a transporting portion for transporting the film seating portion and the film operating portion so as to move between the film transfer position and the film deposition position.
15. The method of claim 14,
Wherein the film-
A seating sheet made of a flat metal member,
An adsorption pad provided on one side of the seating sheet and onto which the film member is transferred,
And a pair of support members for supporting both ends of the seating sheet,
And a tension adjusting unit connected to at least one of the pair of support members to adjust the tension of the seat by moving the support member in a horizontal direction.
16. The method of claim 15,
The film-
An operation roller which extends horizontally in the width direction of the seating sheet and moves in the horizontal direction while pushing the seating sheet toward the film moving section or the panel moving section,
A roller elevating part for moving the operating roller in the direction of the film moving part or the panel moving part,
And a moving mechanism for moving the roller elevating portion in a horizontal direction.
In Clause 16,
The transfer mechanism comprises:
A conveying nut to which the roller elevating unit is fixed,
A conveying screw connected to the conveying nut and extending in the conveying direction of the seating sheet,
And a feed motor for rotating the feed screw,
Wherein the feed nut is linearly moved along the feed screw by rotation of the feed screw.
15. The method of claim 14,
The transfer unit
A conveying rail for connecting the film transfer position and the film attaching position,
And a main stage movably installed along the conveying rail,
And the film seating portion and the film operation portion are placed on the main stage.
A film transfer process in which a film member is transferred to one surface of a horizontally placed film mount;
A release film peeling step of removing the release film adhered to the film member; And
A film adhering method comprising a film adhering step in which a film from which the release paper has been removed is adhered to a display panel,
In the film transfer step,
Moving the film member by a film moving unit to a position spaced a predetermined distance in a vertical direction from one surface of the film seating unit;
The operation rollers located on the other side of the film receiving portion move in the vertical direction until the film receiving portion comes in contact with one side of the film member, thereby pushing the film receiving portion in the vertical direction; And
Wherein the operation roller is moved in a horizontal direction and the film member is transferred to the film seating portion in a state in which the film seating portion is in contact with one surface of the film member.
20. The method of claim 19,
Wherein the film moving section is located on the upper side of the film seating section.
20. The method of claim 19,
Wherein the film member moves to the film seating part while being vacuum-adsorbed to the film moving part,
Wherein a vacuum state acting on a portion of the film member transferred to the film seating portion is released.
20. The method of claim 19,
The releasing paper peeling step comprises:
Wherein the release rollers are brought into close contact with one edge of a release sheet attached to an upper surface of the film member in a state in which the film member is transferred to the film seat,
And moving the release roller toward the other side edge of the upper surface of the film member while the release sheet is attached to the release roller.
20. The method of claim 19,
In the film adhering step,
Moving the display panel absorbed by the panel moving unit to a position spaced apart from the film by a predetermined distance in the vertical direction;
Moving the operating roller in a vertical direction until the film contacts the one surface of the display panel to push the film seating vertically; And
And the operation roller is moved in a horizontal direction to attach the film to the display panel in a state in which the film is in contact with one surface of the display panel.
24. The method of claim 23,
Wherein the panel moving section is located below the film seating section,
Wherein the display panel is horizontally moved while being placed on an upper surface of the panel moving unit.
20. The method of claim 19,
Wherein the film moving section is located below the film seating section,
Wherein the film member moves horizontally while being placed on the upper surface of the film moving unit.
20. The method of claim 19,
Moving the film seating portion to a release film peeling position after the film member is transferred to the film seating portion;
Further comprising removing the release sheet adhered to the film member and then moving the film seat to a film attachment position.
A flat film mount;
An object moving part moving a film member or an adhering object to which the film material is adhered to the opposite side of the film receiving part; And
And a film operating unit located on the opposite side of the object moving unit with respect to the film seating unit and moving in a horizontal direction while pushing the film seating unit in a vertical direction,
Wherein the film handling section moves in the horizontal direction while pushing the film receiving section toward the object moving section in a state in which the object moving section and the film receiving section moved on opposite sides of the film receiving section are stationary.
28. The method of claim 27,
The film adhering method includes:
A film transferring step of transferring the film material moved by the object moving unit to the film receiving unit;
A release film peeling step of removing the release film adhered to the transferred film member; And
Wherein the releasing film has a peeled film adhered to the adherend mounter.
29. The method of claim 28,
In the film transfer process,
Wherein the film handling unit is moved in a horizontal direction while pushing the film seating unit in a vertical direction, whereby the film member is transferred to the film seating unit.
29. The method of claim 28,
In the film adhering step,
Wherein the film is adhered to the adherend by moving the film handling part in a horizontal direction while pushing the film seating part in the vertical direction.
29. The method of claim 28,
Wherein each of the processes is sequentially performed at a position spaced apart by a predetermined distance in the horizontal direction,
Wherein the film mount part horizontally moves to a position where the next process is performed when the current process is completed.
32. The method of claim 31,
Wherein the film member and the adherend are respectively moved by independent object moving parts.
29. The method of claim 28,
Each of the above processes is sequentially performed at a single position,
In the film transfer process, the film member is transferred to the film receiving portion by the object moving portion,
In the release paper peeling step, the release roller moves to the upper side of the film member,
And the adhered object is transferred to the upper side of the film by the object moving part in the film adhering step.
28. The method of claim 27,
Wherein the adherend comprises a display panel.







KR1020130003459A 2013-01-11 2013-01-11 Film attaching system and film attaching method using the same KR101625263B1 (en)

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