KR102035026B1 - Apparatus for attaching film to panel - Google Patents

Abstract

A functional film applying apparatus is disclosed. Functional film attachment device according to an embodiment of the present invention, the device body; A functional layer to be attached to the panel through adhesion based on van der Waals force, and an adhesive layer adhered to the panel, and a reinforcing layer connected to the adhesive layer but reinforcing the adhesive layer so that the elongation of the adhesive layer is not increased. Adhesive sheet; And a sheet mounting part provided on one side of the main body of the apparatus and on which the adhesive sheet is mounted so as to attach the functional film to the panel using the adhesive sheet.

Description

Functional film attaching device {Apparatus for attaching film to panel}

The present invention relates to a functional film attaching device, and more particularly, the elongation can be lowered as close to zero as possible, so that a high degree of adhesion can be achieved, and durability is improved. The present invention relates to a functional film attaching device capable of prolonging its life and reducing running costs, as well as a long replacement cycle, which significantly reduces down time.

Recently, as the electronic display industry is rapidly developing among the semiconductor industry, flat panel display (FPD) is also continuing to develop. Flat panel displays include liquid crystal displays (LCDs), plasma display panels (PDPs), and organic light emitting diodes (OLEDs).

Among flat panel displays, OLED is divided into passive PMOLED and active AMOLED depending on the driving method.

AMOLED is a self-luminous display, which has a faster response speed than conventional displays, has a natural color, and consumes less power. In addition, AMOLED may be applied to a thin and easily flexible flexible panel instead of a glass panel to implement a technology of a flexible display.

Various kinds of functional films, for example, functional films such as polarizer films, may be used in manufacturing the OLED. A functional film such as a polarizing film is attached to a panel, which is an object, to polarize light.

In the past, a roll-to-stage method using a set table or a drum-to-drum using a drum as a technique for attaching a functional film such as a polarizing film to a panel that is an object. Stage method was common.

In the former roll-to-stage method, a panel that is an object is disposed on a set table, and an attach roller is attached to the panel while the attach roller rotates. This method is an overhang phenomenon of the film. Due to the error, there is a problem in that a high degree of attachment is limited.

For reference, in the roll-to-stage method, due to its characteristics, the functional film is not properly adsorbed on the attach roller, and sagging is likely to occur. As a result, alignment with the panel is inevitably misaligned. Is generated, which is called an overhang phenomenon.

In contrast, the latter drum-to-stage method adsorbs a functional film on the surface of the drum and attaches the functional film to the panel according to the rotational motion of the drum. The pad may cause damage due to contact with the pad, and also due to the limitation of the vacuum area of the drum, there are other problems in changing various panel sizes.

As described above, the roll-to-stage method and the drum-to-stage method have been mainstream as a method of attaching a functional film to a panel. However, each method generates a problem as described above. An alternative method is proposed, and many companies are currently developing it.

This method is to pre-adhesive a functional film such as a polarizing film to a pressure-sensitive adhesive sheet having a weak viscosity, then arrange a functional film on a panel, and then press the pressure-sensitive adhesive sheet to attach the functional film to the panel. After the functional film is attached to the panel, the adhesive sheet is peeled off the functional film.

On the other hand, the function of the adhesive sheet is very important for the application of this attachment technology, until now, engineering plastic-based adhesive sheet, air pocket sheet, porous sheet, etc. has been proposed. to be.

However, in the case of the sheets that are currently applied or are going to be applied, the following problems occur.

First, due to the high elongation of the material, there is a problem in that it is impossible to cope with the product of a high adhesion degree. That is, since the material of the adhesive sheet is mainly made of engineering plastics or resin-based materials, there is a problem in that the sheet is stretched due to high adhesion pressure when it is repeatedly used for a long time, so that it is impossible to cope with high-adhesion products.

Second, there is a problem of short life. That is, due to the material properties of the adhesive sheet described above, the problem of contamination due to high elongation and repeated use may be considerable, and the adhesive force may be weakened due to breakage of the micropore layer (Micro Pocket). In fact, it needs to be reused thousands of times in order to be added to the polarizing film attachment process, but it is known that it does not satisfy its condition.

Third, there is a problem in that down time is increased due to high running cost and frequent replacement cycles. In other words, the conventional adhesive sheet has a short life as described above, so it is inevitable to replace it frequently, which increases the running cost. In particular, during sheet replacement, the equipment is stopped and the production is not performed. ) There is a problem that causes the occurrence.

Korean Patent Office Application No. 10-2005-0063468

Therefore, the technical problem to be achieved by the present invention is to reduce the elongation as close to zero as possible as possible to be able to cope with high adhesion of the product, the durability can be improved because the life can be extended to run In addition to reducing the running cost (Running Cost), the replacement cycle is long to provide a functional film attachment device that can significantly reduce the down time (Down Time).

According to an aspect of the invention, the apparatus body; A pressure-sensitive adhesive layer adhered to the functional film to be attached to the panel through adhesion based on van der Waals force, and a reinforcement layer connected to the pressure-sensitive adhesive layer to reinforce the pressure-sensitive adhesive layer so that the elongation of the pressure-sensitive adhesive layer is not increased. Adhesive sheet provided with; And a sheet mounting part provided on one side of the main body of the apparatus and mounted on the adhesive sheet to attach the functional film to the panel using the adhesive sheet. have.

The adhesive sheet may further include an adhesive layer interposed between the adhesive layer and the reinforcing layer to bond the adhesive layer and the reinforcing layer.

The adhesive sheet may further include a cushioning layer interposed between the adhesive layer and the adhesive layer and providing a buffering force when the functional film is attached to the panel.

The thickness of the adhesive layer and the cushion layer and the thickness of the reinforcing layer may be the same, the thickness of the adhesive layer may be greater than twice the thickness of the reinforcing layer.

The reinforcement layer may be a stainless steel sheet.

First and second sheet clamps supporting both ends of the adhesive sheet may be coupled to both ends of the adhesive sheet.

The seat mounting part may include: a first clamp mounting support provided on one side of the apparatus main body and supporting the first seat clamp to be mounted; And a second clamp mounting support provided on the other side of the main body of the apparatus and supporting the second sheet clamp to be mounted thereon.

The electronic device may further include a sheet tension maintaining part provided on at least one of the first clamp mounting support and the second clamp mounting support to maintain the tension of the adhesive sheet.

The seat tension maintaining unit may include a sliding rail coupled to one side of the apparatus main body; A supporter having a rail block engaged with the sliding rail and coupled to the support for mounting the first clamp; And a tension cylinder which is connected to the support and is operated.

A plurality of sheet idle rollers for guiding the adhesive sheet may be provided between the first clamp mounting support and the second clamp mounting support.

The apparatus may further include a functional film attaching part provided on the main body of the apparatus and attaching the functional film to the panel using the adhesive sheet after the functional film is attached to the adhesive sheet in an unfolded state.

The functional film attaching part may include an attachment roller which is pressed on the adhesive sheet such that the functional film is adhered to the adhesive sheet or the functional film is attached to the panel.

The functional film attaching part is disposed adjacent to the attaching roller, and the adhesive sheet is separated from the functional film when the attaching of the functional film to the panel is completed, but the lower portion of the adhesive sheet is located at a position higher than the attaching roller. It may further include a sheet release roller disposed.

The functional film attachment part may further include a backup roller which is external to the attachment roller and supports rotation of the attachment roller.

The functional film attachment part may further include a roller support module that supports the attachment roller, the backup roller, and the sheet release roller as one body.

The functional film attaching part may be provided in the apparatus main body, and may further include a module up / down driving part for driving up / down of the roller support module, and the module up / down driving part may include a low friction cylinder. ; And it may include a load cell for detecting the pressing force that the attachment roller is pressed to the adhesive sheet.

The functional film attaching part may further include a module driving part provided in the apparatus main body and connected to the roller supporting module and the module up / down driving part and driving the roller supporting module to reciprocally drive on the working stage.

The controller may further include a controller for controlling the operation of the module up / down driving unit and the module driving unit based on process conditions for attaching the functional film to the adhesive sheet or adhering the functional film to the panel.

The apparatus may further include a walking stage disposed at one side of the main body of the apparatus and forming a place where the functional film is attached to the panel.

The apparatus may further include a stage aligning unit connected to the working stage and aligning the position of the working stage to an X axis, a Y axis, and a θ axis to align a relative position between the panel and the functional film. .

According to the present invention, the elongation can be lowered as close to zero as possible, so that it is possible to cope with high-adhesion products, and the life can be extended because the durability is improved, thus running cost. In addition to reducing the time, the replacement cycle is long, which significantly reduces down time.

1 is a perspective view of a functional film attaching apparatus according to an embodiment of the present invention.
2 is a side view of FIG. 1.
3 is a partial cross-sectional view taken along line AA of FIG. 2.
4 is a perspective view of the adhesive sheet and the first and second sheet clamps.
FIG. 5 is a schematic cross-sectional view taken along line BB of FIG. 4.
6 to 9 are diagrams showing the step of attaching the functional film to the panel step by step.
10 is a control block diagram of a functional film attachment apparatus according to an embodiment of the present invention.

In order to fully understand the present invention, the operational advantages of the present invention, and the objects achieved by the practice of the present invention, reference should be made to the accompanying drawings which illustrate preferred embodiments of the present invention.

Hereinafter, the present invention will be described in detail by explaining preferred embodiments of the present invention with reference to the accompanying drawings. Like reference numerals in the drawings denote like elements.

Prior to the description of the drawings, the functional film to be described below is at least any one selected from a liquid crystal display (LCD), a plasma display panel (PDP) and organic light emitting diodes (OLED) in order to transmit and polarize light under optimal conditions. Various types of optical films (or sheets) that can be applied to a flat panel display, such as EMI films, prism films, protective films, diffuser films, reflective films, DBEF, PVA, TAC, OCA, release films, compensation films, It may be an antireflection film, a polarizer film, or the like, and the panel may be a touch panel, a TSP, a window, or the like. However, hereinafter, it will be described using the terms functional film and panel without distinguishing them.

1 is a perspective view of a functional film attachment device according to an embodiment of the present invention, Figure 2 is a side view of Figure 1, Figure 3 is a partial cross-sectional view taken along line AA of Figure 2, Figure 4 is an adhesive sheet and the first And a perspective view of the second seat clamp, FIG. 5 is a schematic cross-sectional view taken along line BB of FIG. 4, and FIGS. 6 to 9 are views showing step by step a process of attaching a functional film to a panel, and FIG. Control block diagram of a functional film attachment device according to an embodiment of the present invention.

Referring to these drawings, the functional film attaching device according to an embodiment of the present invention can lower the elongation as close to zero as possible, unlike conventional devices, so that it becomes possible to cope with high attachment products. It is possible to extend the service life due to the increased durability and to reduce the running cost, and to reduce the down time due to the long replacement cycle. 120, an adhesive sheet 110 provided to attach the functional film to the panel, and a sheet mounting unit 130 for mounting the adhesive sheet 110 to the apparatus main body 120.

In addition, the functional film attachment device according to an embodiment of the present invention is provided in the device body 120, but the functional film attachment portion 150 for attaching the functional film to the panel using the adhesive sheet 110, and the device body ( It is provided separately from the 120 and includes a working stage 190 to form a place where the functional film is attached to the panel.

The device body 120 forms an external structure of the functional film attaching device according to the present embodiment. In the device body 120, structures such as an adhesive sheet 110, a sheet mounting unit 130, and a functional film attaching unit 150 are mounted by location.

The main body driver 121 is provided at one side of the apparatus main body 120. The main body driving unit 121 serves to drive up and down the entire apparatus main body 120.

Since the apparatus main body 120 is separated from the working stage 190 and spaced apart from each other, the main body driving unit 121 may be provided to adjust the gap thereof.

The adhesive sheet 110 is a medium used for attaching the functional film to the panel. That is, in the present embodiment, instead of attaching the functional film to the panel as it is, the functional film is first adhered to the adhesive sheet 110 as shown in FIGS. 6 to 9, and then the functional film and the panel are aligned with each other, and then the adhesive sheet ( By pressing 110, the functional film can be attached to the panel.

When the functional film is attached to the panel through the adhesive sheet 110 as described above, a roll-to-stage method using a conventional set table or a drum-to-stage using a drum is applied. Unlike the to stage method, it has the advantage of excellent attachment efficiency and quality.

However, in the case of applying the adhesive sheet 110 as described above, in the case of simply applying an engineering plastic-based adhesive sheet, an air pocket sheet, a porous sheet, etc. Due to this, it is impossible to cope with high attachment degree, short life, high running cost, and frequent down cycles, causing down time.

In this embodiment, this problem is solved by presenting the adhesive sheet 110 having the following innovative structure.

As shown in FIGS. 4 and 5, the adhesive sheet 110 applied to the functional film attaching apparatus according to the present embodiment has an adhesive layer 111, a reinforcing layer 114, and a cushion layer 112 disposed therebetween. ) And an adhesive layer 113. As illustrated in FIG. 5, the adhesive layer 111, the cushion layer 112, the adhesive layer 113, and the reinforcement layer 114 may be sequentially arranged.

The adhesive layer 111 is a portion that is adhered to the functional film to be attached to the panel through the adhesive force based on van der Waals force.

For reference, van der Waals forces refer to forces acting between electrically neutral molecules that do not have quasi electrons. In particular, it refers to a manpower that operates relatively remotely.

Van der Waals forces arise as a result of dispersing forces, and the van der Waals forces explain the forces acting between rare gas atoms and the factors in which molecular crystals of hydrocarbons such as benzene are formed. In addition, van der Waals force means the intrinsic force necessary to explain the phenomenon such as physical adsorption, such as agglomeration, adhesion of the liquid and the present embodiment.

In summary, van der Waals forces are extremely weak electrostatic attraction that acts only at very short distances between electrically neutral molecules, collectively referred to as electrical forces acting between covalent molecules.

In particular, physical adhesion is possible without a separate power through the power of the ions, the functional film can be easily adhered, and also peeled because the adhesive layer 111 is produced based on such van der Waals forces have. That is, since a weak viscosity is formed in the adhesive layer 111, the adhesive layer 111 may be adhered to the functional film. After the functional film is attached to the panel, the functional film is easily peeled off, that is, detached from the adhesive layer 111. Can be.

On the other hand, in the application of such an adhesive layer 111, if only the adhesive layer 111 is applied to the sheet can perform the desired process well in the early stage, but the adhesive layer 111 will increase due to high adhesion pressure during repeated use However, when the adhesive layer 111 is increased, it is inevitably impossible to cope with a high degree of adhesion of the product.

Thus, the reinforcing layer 114 is provided on the adhesive sheet 110 applied to the functional film applying apparatus according to the present embodiment so that such a phenomenon does not occur.

The reinforcing layer 114 is connected to the adhesive layer 111 but serves to reinforce the adhesive layer 111 so that the elongation of the adhesive layer 111 is not increased. In this embodiment, the reinforcement layer 114 is applied to a stainless steel thin plate, and reinforces while supporting the adhesive layer 111 with a larger area than the adhesive layer 111 as shown in FIG. 4. Since the reinforcement layer 114 is applied to the stainless steel sheet, it is advantageous to match the elongation.

As such, when the reinforcement layer 114 is further applied to the adhesive sheet 110, the elongation can be lowered as close to zero as possible to a high degree of adhesion, and the durability can be improved. As a result, the service life can be extended, which not only reduces the running cost, but also reduces the down time due to the long replacement cycle.

The cushion layer 112 is a layer interposed between the adhesive layer 111 and the adhesive layer 113. The cushion layer 112 serves to provide a buffer when the functional film is attached to the panel. Therefore, it is possible to prevent the panel from being damaged while the functional film is attached to the panel while pressing the adhesive sheet 110 with the attachment roller 151 which will be described later.

The adhesive layer 113 serves to bond the cushion layer 112 and the reinforcement layer 114. In fact, since the adhesive layer 111 has a weak viscosity and can stick with the cushion layer 112, the adhesive layer 113 only needs to be interposed between the cushion layer 112 and the reinforcing layer 114. Of course, if necessary, the adhesive layer 113 may also be reapplied between the adhesive layer 111 and the cushion layer 112, which should also be included in the scope of the present invention.

As described above, the adhesive sheet 110 applied to the present embodiment may include an adhesive layer 111, a reinforcing layer 114, and a cushion layer 112 and an adhesive layer 113 disposed therebetween. The thickness of the 113 and the cushion layer 112 and the thickness of the reinforcing layer 114 may be the same, and the thickness of the adhesive layer 111 may be greater than twice the thickness of the reinforcing layer 114. For example, when the thickness of the adhesive layer 111 is 300 μm, the thickness of the reinforcement layer 114 may be 50 μm, and the sum of the thickness of the cushion layer 112 and the thickness of the reinforcement layer 114 may be 50 μm. . This is advantageous because the portion to which the functional film is substantially adhered is the adhesive layer 111, and is thick, and the reinforcement layer 114 must be thin to be flexible. However, the scope of the present invention is not limited to the numerical values thereof.

Meanwhile, first and second sheet clamps 116 and 117 supporting both ends of the adhesive sheet 110 at both ends of the adhesive sheet 110 so that the adhesive sheet 110 may be mounted at a corresponding position of the apparatus main body 120. Is combined. The adhesive sheet 110 may be mounted on the sheet mounting unit 130 via the first and second sheet clamps 116 and 117.

The sheet mounting unit 130 is provided on one side of the apparatus main body 120 to form a place where the adhesive sheet 110 is mounted. As described above, the first and second sheet clamps 116 and 117 are coupled to both ends of the adhesive sheet 110, and the first and second sheet clamps 116 and 117 are mounted on the sheet mounting unit 130. 110 may be installed.

The seat mounting unit 130 is provided on one side of the apparatus main body 120, and is provided on the first clamp mounting support 131 for supporting the first seat clamp 116 to be mounted, and on the other side of the apparatus main body 120. In addition, the second seat clamp 117 may include a support for mounting the second clamp 132 to be mounted.

As such, the first sheet clamp 116 supporting one end of the adhesive sheet 110 is mounted on the first clamp mounting support 131, and the second sheet clamp 117 supporting the other end of the adhesive sheet 110. The adhesive sheet 110 may be installed in a form in which the second clamp mounting support 132 is mounted on the second clamp mounting support 132, and the adhesive line is stretched between the first clamp mounting support 131 and the second clamp mounting support 132. A plurality of sheet idle rollers 134 is provided to guide the sheet 110.

The plurality of sheet idle rollers 134 are disposed between the first clamp mounting support 131 and the second clamp mounting support 132, and serve to guide the adhesive sheet 110. In the present embodiment, the plurality of sheet idle rollers 134 are rotatably disposed on the side of the first clamp mounting support 131 and the second clamp mounting support 132, respectively, and all are applied as a non-power free rotating roller. do.

Although the adhesive sheet 110 is guided by the action of the sheet idle rollers 134 as described above, since the adhesive sheet 110 is pressed toward the panel when the functional film is attached, the operation of the adhesive sheet 110 is repeated. There is a fear that the initial tension is distorted. Thus, the seat tension maintaining unit 140 is provided.

The sheet tension maintaining unit 140 is provided on at least one of the first clamp mounting support 131 and the second clamp mounting support 132, and serves to maintain the tension of the adhesive sheet 110. In the case of the present embodiment, the seat tension maintaining unit 140 is provided on the side of the first clamp mounting support 131. However, this is only one embodiment. That is, the seat tension maintaining unit 140 may be provided on the second clamp mounting support 132 side, or may be provided on both the first clamp mounting support 131 and the second clamp mounting support 132. There will be.

The seat tension maintaining unit 140 includes a sliding rail 141 coupled to one side of the apparatus main body 120 and a rail block 143 that is rail-engaged with the sliding rail 141, and includes a first clamp mounting support. It may include a support support 142 coupled to the 131, the tension cylinder 144 is connected to the support support 142 is operated. Thus, since the tension cylinder 144 presses or pulls the support 142 at a predetermined pressing force, the tension of the initially set value may be maintained as it is.

On the other hand, the functional film attachment device according to this embodiment is equipped with a functional film attachment portion 150 as described above.

The functional film attaching part 150 is provided in the apparatus main body 120 to be adjacent to the sheet mounting part 130, and after the functional film is adhered to the adhesive sheet 110 in an unfolded state, the adhesive sheet 110 is used. It serves to attach the functional film to the panel.

In other words, the functional film attaching part 150 first adheres the functional film to the adhesive sheet 110 as shown in FIGS. 6 to 9, and then aligns the functional film and the panel with each other, and then presses the adhesive sheet 110. Allow the functional film to adhere to the panel. After the functional film is attached to the panel, the adhesive sheet 110 is peeled off, that is, detached from the functional film.

The functional film attachment part 150 which plays such a role is the attachment roller 151, the backup roller 152, and the sheet release roller 153 which are connected to one body by the roller support module 155, and the roller support module ( The module may include a module up / down driving unit 160 for up / down driving 155 and a module driving unit 170 for driving the roller support module 155.

The adhesion roller 151 is pressurized on the adhesive sheet 110 such that the functional film is adhered to the adhesive layer 111 of the adhesive sheet 110 as shown in FIGS. 6 to 7 or the functional film is attached to the panel as shown in FIGS. It is a roller to be moved.

In other words, the attachment roller 151 presses the adhesive sheet 110 from one side to the other side while being rotated in the reinforcing layer 114 on the adhesive sheet 110. Accordingly, the process of adhering the functional film to the adhesive layer 111 of the adhesive sheet 110 may be performed as shown in FIG. 6, and the process of adhering the functional film to the panel may be performed as illustrated in FIGS. 8 and 9.

The backup roller 152 is a roller that is external to the attachment roller 151 and supports the rotation of the attachment roller 151. The backup roller 152 may have a diameter larger than that of the attachment roller 151. Due to the action of the backup roller 152, the attachment roller 151 is attached to the adhesive layer of the adhesive sheet 110 as shown in FIGS. 111 to allow the functional film to adhere or the process of attaching the functional film to the panel as shown in FIG.

The sheet release roller 153 is a roller having a function of allowing the adhesive sheet 110 to be separated from the functional film when the attachment of the functional film to the panel is completed as shown in FIG. 9. The sheet release roller 153 is disposed below the adhesive sheet 110 at a position higher than the attachment roller 151. Since the sheet release roller 153 is disposed below the adhesive sheet 110, when the sheet release roller 153 is up, the adhesive sheet 110 may be peeled off, that is, separated from the functional film.

The attachment roller 151, the backup roller 152, and the sheet release roller 153 described above are supported by the roller support module 155 as a body. Accordingly, when the roller support module 155 is up, the attachment roller 151, the backup roller 152, and the sheet release roller 153 may also be up together, and the roller support module 155 may be down ( When down, the attachment roller 151, the backup roller 152, and the sheet release roller 153 may also be down together.

The module up / down driving unit 160 is provided in the apparatus main body 120, and serves to drive the roller support module 155 up / down. In the present embodiment, the module up / down driving unit 160 includes a low friction cylinder 161. In addition, the low friction cylinder 161 is provided with a load cell 162 for detecting the pressing force to which the attachment roller 151 is pressed on the adhesive sheet 110. By controlling the force of the low friction cylinder 161 by the information of the load cell 162, the controller 180 can press the adhesive sheet 110 at a constant pressure, which causes the functional film to adhere to the adhesive sheet 110. The adhesive film may be attached or the functional film may be attached to the panel.

The module driving unit 170 is provided in the apparatus main body 120, and is connected to the roller supporting module 155 and the module up / down driving unit 160, and the roller supporting module 155 is a working stage as illustrated in FIGS. 7 and 9. 190 to serve to reciprocate drive.

As shown in FIG. 3, the module driving unit 170 is screwed to the motor 171 generating the driving force, the ball screw 172 rotatable in the forward and reverse directions by the motor 171, and the ball screw 172. It may include a screw nut 173 is coupled and connected to the module up / down driver 160 on one side. Accordingly, when the motor 171 is driven to rotate the ball screw 172, the roller support module 155 including the module up / down driving unit 160 due to the action of the screw nut 173 moving on the ball screw 172. The whole may be reciprocated on the working stage 190.

In order to control such an operation, the functional film attachment device according to the present embodiment is equipped with a controller 180. The controller 180 controls the operation of the module up / down driving unit 160 and the module driving unit 170 based on process conditions for attaching the functional film to the adhesive sheet 110 or for attaching the functional film to the panel. can do. The controller 180 performing this role may include a central processing unit 181 (CPU), a memory 182 (MEMORY), and a support circuit 183 (SUPPORT CIRCUIT).

The central processing unit 181 according to the present embodiment, the module up / down driving unit 160 and the module running unit (based on the process conditions for attaching the functional film to the adhesive sheet 110 or the functional film is attached to the panel) It may be one of various computer processors that can be industrially applied to control the operation of 170.

The memory 182 is connected to the central processing unit 181. The memory 182 may be installed locally or remotely as a computer readable recording medium, and may be readily available, such as, for example, random access memory (RAM), ROM, floppy disk, hard disk, or any digital storage form. It may be at least one memory.

The support circuit 183 (SUPPORT CIRCUIT) is coupled with the central processing unit 181 to support typical operation of the processor. Such support circuit 183 may include a cache, a power supply, a clock circuit, an input / output circuit, a subsystem, and the like.

In this embodiment, the controller 180 is the module up / down driving unit 160 and the module running unit 170 based on the process conditions for the functional film is adhered to the adhesive sheet 110 or the functional film is attached to the panel. The process of such a process may be stored in the memory 182. Typically software routines may be stored in memory 182. Software routines may also be stored or executed by other central processing units (not shown).

Although the process according to the invention has been described as being executed by software routines, at least some of the processes of the invention may be performed by hardware. As such, the processes of the present invention may be implemented in software running on a computer system, in hardware such as integrated circuits, or by a combination of software and hardware.

Meanwhile, the working stage 190 is provided in the functional film attaching device according to the present embodiment. The working stage 190 is disposed on one side of the apparatus main body 120 and forms a place where the functional film is attached to the panel. The working stage 190 may be a different configuration from the device body 120.

The stage alignment unit 191 is coupled to the walking stage 190. The stage alignment unit 191 serves to align the position of the working stage 190 to the X-axis, Y-axis, and θ-axis to align the relative position between the panel and the functional film.

Although the stage alignment unit 191 is schematically illustrated in the drawing, the stage alignment unit 191 may be applied by a combination of a cylinder, a motor, and a ball screw, and the alignment between the panel and the functional film may be performed by aligning the position of the working stage 190. Allow relative positions to be aligned.

In the present exemplary embodiment, the stage alignment unit 191 is applied to the working stage 190 and the working stage 190 is aligned to align the relative position between the panel and the functional film. 190) may consider fixing and aligning the structure of the functional film side, all of which should be within the scope of the present invention.

Hereinafter, the operation of the functional film applying apparatus according to the present embodiment will be briefly described.

First, when the functional film is loaded on the working stage 190 as shown in FIG. 6, the roller support module 155 is down by the module up / down driving unit 160.

Subsequently, the roller support module 155 is moved from one side to the other side by the action of the module driving unit 170 as shown in FIG. 7, so that the functional film is adhered to the adhesive layer 111 of the adhesive sheet 110 through adhesive force based on van der Waals forces. Sticks. After the functional film is adhered to the adhesive sheet 110, the roller support module 155 is up by the module up / down driving unit 160.

Next, the panel is loaded on the working stage 190, and the roller support module 155 is down again by the module up / down driving unit 160. In this case, a separate vision (not shown) photographs alignment marks of the panel and the functional film to adjust the relative alignment between the panel and the functional film. The adjustment proceeds via a stage aligner 191 connected to the working stage 190.

When the alignment adjustment between the panel and the functional film is completed, the roller support module 155 is further down by the module up / down driving unit 160 as shown in FIG. 8, and the functional film is applied to the panel by the action of the attachment roller 151. Make contact.

Then, the roller support module 155 is moved from one side to the other by the action of the module driving unit 170 as shown in Figure 9 by the force of the attachment roller 151 to press the adhesive sheet 110 in the panel functional film To be attached. After the functional film is attached to the panel, the roller support module 155 is up again by the module up / down driving unit 160, and the adhesive sheet is separated from the functional film due to its action.

According to the present embodiment having the structure and action as described above, unlike the previous devices, the elongation can be lowered as close to zero as possible, so that a product with a high degree of attachment can be made possible and durable. This improvement extends the lifespan, not only reducing running costs, but also significantly reducing down time due to longer replacement cycles.

As described above, the present invention is not limited to the described embodiments, and various modifications and changes can be made without departing from the spirit and scope of the present invention, which will be apparent to those skilled in the art. Therefore, such modifications or variations will have to be belong to the claims of the present invention.

110: adhesive sheet 111: adhesive layer
112: cushion layer 113: adhesive layer
114: reinforcing layer 116: first sheet clamp
117: second seat clamp 120: device body
130: seat mounting portion 131: first clamp mounting support
132: second clamp mounting support 134: sheet idle roller
140: seat tension holding unit 141: sliding rail
142: support support 143: rail block
144: tension cylinder 150: functional film attachment portion
151: attachment roller 152: backup roller
153: sheet release roller 155: roller support module
160: module up / down drive unit 161: low friction cylinder
162: load cell 170: module running portion
180: controller 190: walking stage
191: stage alignment unit

Claims (20)

Device body;
A pressure-sensitive adhesive layer adhered to the functional film to be attached to the panel through adhesion based on van der Waals force, and a reinforcement layer connected to the pressure-sensitive adhesive layer to reinforce the pressure-sensitive adhesive layer so that the elongation of the pressure-sensitive adhesive layer is not increased. Adhesive sheet provided with; And
It is provided on one side of the main body of the device, and includes a sheet mounting portion on which the adhesive sheet is mounted so as to attach the functional film to the panel using the adhesive sheet,
The sheet mounting portion,
A first clamp mounting support provided on one side of the main body of the apparatus and supporting the first sheet clamp mounted on one end of the adhesive sheet;
A second clamp mounting support provided on the other side of the apparatus main body and supporting the second sheet clamp mounted on the other end of the adhesive sheet; And
A functional film attachment device provided on at least one of the first clamp mounting support and the second clamp mounting support, the sheet tension holding unit for maintaining the tension of the adhesive sheet. The method of claim 1,
The adhesive sheet,
The apparatus of claim 1, further comprising an adhesive layer interposed between the adhesive layer and the reinforcing layer to bond the adhesive layer and the reinforcing layer. The method of claim 2,
The adhesive sheet,
And a cushion layer interposed between the adhesive layer and the adhesive layer and providing a cushioning force when the functional film is attached to the panel. The method of claim 3,
The thickness of the adhesive layer and the cushion layer and the thickness of the reinforcing layer is the same,
The thickness of the pressure-sensitive adhesive layer is more than twice the thickness of the reinforcement layer, characterized in that the functional film attachment device. The method of claim 1,
The reinforcing layer is a functional film attachment device, characterized in that the stainless steel (stainless steel) sheet. delete delete delete The method of claim 1,
The sheet tension maintaining unit,
A sliding rail coupled to one side of the apparatus main body;
A supporter having a rail block engaged with the sliding rail and coupled to the support for mounting the first clamp; And
And a tension cylinder operatively connected to the support support. The method of claim 1,
And a plurality of sheet idle rollers for guiding the adhesive sheet between the first clamp mounting support and the second clamp mounting support. The method of claim 1,
A functional film attaching portion provided on the apparatus main body, wherein the functional film is attached to the adhesive sheet in an unfolded state, and further comprising a functional film attaching portion to attach the functional film to the panel using the adhesive sheet. Film attachment device. The method of claim 11,
The functional film attachment portion,
And an attachment roller which is pressed on the adhesive sheet so that the functional film is attached to the adhesive sheet or the functional film is attached to the panel. The method of claim 12,
The functional film attachment portion,
The sheet release roller is disposed adjacent to the attachment roller, and the adhesive sheet is separated from the functional film when the attachment of the functional film to the panel is completed, but the sheet release roller disposed below the adhesive sheet at a position higher than the attachment roller. Functional film attachment device, characterized in that it further comprises. The method of claim 13,
The functional film attachment portion,
And a backup roller which is external to the attachment roller and supports the rotation of the attachment roller. The method of claim 14,
The functional film attachment portion,
And a roller support module for supporting the attachment roller, the backup roller, and the sheet release roller as one body. The method of claim 15,
The functional film attaching part is provided on the apparatus main body, and further includes a module up / down driving part for driving up / down the roller support module.
The module up / down drive unit,
Low friction cylinder; And
The apparatus for attaching a functional film, characterized in that the attachment roller includes a load cell for sensing a pressing force applied to the adhesive sheet. The method of claim 16,
The functional film attachment portion,
And a module driving part provided in the apparatus main body and connected to the roller supporting module and the module up / down driving part and driving the roller supporting module to reciprocately drive. The method of claim 17,
And a controller for controlling the operation of the module up / down driving unit and the module driving unit based on process conditions for attaching the functional film to the adhesive sheet or adhering the functional film to the panel. Functional film attachment device. The method of claim 1,
And a working stage disposed on one side of the main body of the apparatus and forming a place where the functional film is attached to the panel. The method of claim 19,
And a stage aligning portion connected to the working stage, the stage aligning portion for aligning the position of the working stage with the X-axis, Y-axis, and θ-axis for aligning a relative position between the panel and the functional film. Functional film attachment device.

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