KR101588600B1 - bonding device for window, bonding method using it - Google Patents

Abstract

The present invention relates to a bonding device for window which completely bonds a panel to a window with orthogonally formed edges, which may comprise: a window jig; a pair of bending units which are arranged to be movable while facing each other under the window jig to clamp both ends of a protective film separately, and bend so that both ends of the panel individually become orthogonal; and a lift-pressing part arranged in a lower part of the window jig, which gradually bonds the panel to the window from the panel center to the window edge direction, when the protective film clamped by the pair of bending units is lifted to bond the panel to the window. A bonding method, to achieve the other goal of the present invention, may comprise the steps of: (S10) clamping both ends of the protective film with a clamper; (S20) stretching the protective film to make the protective film taut; (S30) bending the ends of a panel; and (S40) gradually bonding in both directions of the window edge from the center of the longitudinal direction of the panel and then finishing the bonding.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a window bonding apparatus and a bonding method using the same,

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a window laminating apparatus and a laminating method using the same, and more particularly, to a window laminating apparatus and a laminating method using the same, in which a panel is completely adhered to a window having edges formed orthogonally.

In recent years, as the society has become a full-fledged information age, a display field for processing and displaying a large amount of information has rapidly developed, and various flat panel display devices have been developed in response to this.

Specific examples of such flat panel display devices include a liquid crystal display device (LCD), a plasma display panel (PDP), a field emission display (FED) (ELD), organic light emitting diodes (OLED), and the like. These flat panel display devices are excellent in performance of thinning, light weight, and low power consumption, and can be applied to a conventional cathode ray tube ).

In recent years, curved display devices have been applied to portable wireless telephones, in which the user is further improved in the degree of immersion and the images are more realistic and the user feels comfortable.

In addition, among such curved display devices, research on an edge curved display device capable of realizing images on both the front and side surfaces has been actively conducted.

Such curved display devices have advantages of space utilization, interior and design, and can have various application fields.

Conventionally, techniques relating to a coalescing device of a curved display device are disclosed in Korean Patent No. 10-1486861, Korean Patent Laid-open No. 10-2014-0139295, Korean Patent Laid-open No. 10-2014-0044579, 1413032, and the like.

However, the above-mentioned techniques produce a curved display device by attaching a roller or a window and each jig or the like on which the panel is seated to join the window and the panel, but when the window edge is formed to be 90 degrees orthogonal, There is a fatal problem that can not be achieved.

This is because the pressing force is not transmitted to the boundary (bending) portion of the edge formed on the window when the window and the panel are attached together, so that the adhesion of the panel at the boundary portion is not smooth and the bubble layer is formed due to the floating phenomenon at the boundary portion. The display device having such a bubble layer is judged to be defective and discarded in its entirety.

If the window and the panel are adhered to each other by using the rollers, it is possible to achieve adhesion by using rollers having a relatively small diameter for adhering the edge boundaries (bending portions), but conversely, due to the small diameter of the rollers, It is inefficient because it takes considerable time.

In the case of attaching the window and the panel using the jig, since the circumferential surface of the panel is in contact with the edge of the window edge during the process of attaching the panel to the window, the gel-like OCA The layer is pushed down, and the reliability of the product is deteriorated.

Korean Patent No. 10-1486861 Korean Patent Publication No. 10-2014-0139295 Korean Patent Publication No. 10-2014-0044579 Korean Patent No. 10-1413032

The present invention has been conceived to overcome the above-mentioned problems and technical prejudices, and it is an object of the present invention to provide a method and apparatus for progressively joining a panel from the longitudinal center to the edge when the panel is attached to a window formed by a 90- The present invention has been made to solve the above-mentioned problems occurring in the prior art.

According to an aspect of the present invention, there is provided a window sticking device for attaching a panel to which a protective film is adhered to a window having an edge perpendicular to both ends at 90 degrees, Window jig; A pair of bending units disposed movably in a state facing the lower side of the window jig and clamping both ends of the protective film respectively and bending both ends of the panel orthogonally when the panel is attached to the window; And a pair of bending units which are disposed between the pair of bending units, and the bottom surface of the protective film, which is clamped by the pair of bending units, is pushed up in the direction of the window jig, And a lifting and pressing portion for gradually attaching from the longitudinal center of the panel to the window edge direction.

At this time, the bending unit includes: a plate-like base which moves to the elevation pressing portion by riding on the L / M guide by retraction of the driving motor shaft; A first cylinder provided in the base; The end of the protective film is clamped so that the end of the panel can be bent orthogonally when the base moves in the direction of the lifting and pressing part simultaneously with the descent of the first rod of the first rod of the first cylinder A clamper consisting of an under clamp and an upper clamp; And a second rod fixed to one side of the under clamp and lifted and lowered together with the under clamp and a second rod for lifting the upper clamp so that the clamper can clamp the end of the protective film .

It is preferable that a coupling protrusion is further formed on one surface of the under clamp and the upper clamp so that the end portion of the protective film is stably clamped.

When the window and the panel are attached to each other, the lifting and pressing part is elastically deformed so as to gradually adhere to the edge direction from the longitudinal center of the panel when the window and the panel are joined together, block; And a lifting plate for lifting the pressing block in a state of supporting the pressing block.

Preferably, the width of the compression block is smaller than the width of the panel.

In addition, it is preferable that the compression block is silicon capable of elastic deformation.

In the meantime, the method for attaching a clasp according to the present invention comprises: (S10) clamping both ends of the protective film with a clamper by supplying a protective film to which the panel is adhered; (S20) stretching the protective film by stretching the protective film while pushing up the protective film by first lifting the compression block; (S30) of bending an end portion of the panel together with the protective film through a second rising of the pressing block and a descending and moving of the clamper; And a step (S40) of completing the joining by gradually increasing the joining of the joining block to the window etch in both directions from the longitudinal center of the panel by raising the joining block for the third time.

At this time, it is preferable that the step S10 further includes a step of bonding a protective film to the panel.

In addition, in step S20, it is preferable that the window jig on which the window is placed is lowered to a predetermined position when the protective film is stretched and expanded.

According to the window sticking apparatus and the sticking method using the window sticking apparatus of the present invention, when the panels are attached to the windows formed at right angles to the edges by 90 degrees, So that the panel can be completely fixedly attached to the boundary where the bending of the panel is started.

Further, since the end portion of the panel is bent before the panel is attached, there is an excellent effect that interference with the window does not occur at the time of attaching the panel.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a reference view showing a state where a panel is attached to a window formed with an edge by a laminating apparatus of the present invention,
2 is a perspective view showing a lid assembly according to the present invention,
Fig. 3 is a front view of Fig. 2,
Fig. 4 is a perspective view showing the bending unit in the structure of the lid assembly according to the present invention,
FIG. 5 is a flow chart showing a process in which adhesion is progressed by the adhesion apparatus of the present invention,
FIGS. 6 to 10 are process drawings showing the process of joining by the joining apparatus of the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. The embodiments of the present invention can be modified in various forms, and the scope of the present invention should not be construed as being limited to the embodiments described below. The embodiments are provided to explain the present invention to a person having ordinary skill in the art to which the present invention belongs. Accordingly, the shape of each element shown in the drawings may be exaggerated to emphasize a clearer description.

The terms first, second, etc. may be used to describe various elements, but the elements should not be limited by terms. Terms are used only for the purpose of distinguishing one component from another.

The terminology used in this application is used only to describe a specific embodiment and is not intended to limit the invention. The singular expressions include plural expressions unless the context clearly dictates otherwise. In the present application, the terms "comprises" or "having" and the like are used to specify that there is a feature, a number, a step, an operation, an element, a component or a combination thereof described in the specification, But do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, or combinations thereof.

2 is a perspective view of a lid assembly according to the present invention, FIG. 3 is a front view of FIG. 2, and FIG. 3 is a front view of FIG. 4 is a perspective view showing a bending unit in the structure of a lapping apparatus according to the present invention, FIG. 5 is a flow chart showing a process of lapping by a lapping apparatus according to the present invention, and FIGS. 6 to 10 show, Fig. 2 is a process diagram showing the process of adhesion by the device. Fig.

As shown in FIGS. 1 to 4, the window sticking apparatus 400 of the present invention includes: a window jig 100 on one side of which the window 10 is supported; The panel 20 is disposed movably in a state of facing the lower side of the window jig 100 and clamps both ends of the protective film 30 so that when the panel 20 is attached to the window 10, A pair of bending units 200 for bending both ends orthogonally; And a pair of bending units 200 disposed under the window jig 100. The bottom surface of the protective film 30 clamped by the pair of bending units 200 is connected to the window jig 100 so that the panel 20 is gradually attached to the edge of the window 10 from the longitudinal center of the panel 20 when the panel 20 is attached to the window 10, (300).

As shown in FIG. 1, the window 10 to which the panel 20 is attached by the laminating apparatus 400 according to the present invention is formed in such a state that edges 11 orthogonal to each other at both ends in the longitudinal direction are formed, 20 are joined together to the inner side of the window 10.

On the other hand, a protection film 30 is adhered to the other surface of the panel 20 attached to the window 10. At this time, the size of the panel 20 corresponding to the window 10 is maintained, 30 maintain a larger area than the panel 20 so as to be clamped to the bending unit 200 (see FIG. 7).

A state in which the window 10 and the panel 20 are attached to each other is referred to as a 'display device 50' hereinafter. .

Referring to FIGS. 2 and 3, the window jig 100 supports the window 10 to which the panel 20 is attached. The window jig 100 has a substantially rectangular shape and a predetermined thickness, (Not shown) and descends in the direction of the compression block 310 of the lifting and pressing part 300 described later.

At this time, a seating groove 101 in which the window 10 is accommodated is formed on the lower surface of the window jig 100 so that the window 10 can be stably supported. In the seating groove 101, (Not shown) for absorbing the surface of the window 10 to support the seated window 10.

2 to 4, the bending unit 200 is disposed so as to be movable on both sides of the lifting and pressing part 300, that is, the lower side of the window jig 100, And both ends of the panel 20 are perpendicularly bent when the panel 20 is attached to the window 10 by lifting and lowering the lifting and pressing part 300 described later.

The bending unit 200 includes a base 210, a first cylinder 220, a clamper 230, and a second cylinder 240.

The base 210 is in the shape of a plate having a predetermined width and is moved to the elevation pushing portion 300 by the L / M guide 40 installed orthogonally to the elevation pushing portion 300.

2, the L / M guide 40 may be installed to cross the lifting and pressing part 300 so that the pair of bending units 200 can move in the direction of the lifting and pressing part 300. As shown in FIG.

The shaft 213a of the driving motor 213 is fixed to a fixing block 211 formed on the upper surface of the base 210 ). ≪ / RTI >

Therefore, the base 210 moves in the direction of the elevation pushing portion 300 by the retraction of the rod by the driving of the driving motor 213.

In this embodiment, the drive motor 213 is preferably a servo motor, and the kind of the motor is not limited.

The first cylinder 220 is selectively coupled to the upper portion of the base 210 or to one side of the fixed block 211 so that the clamper 230 described below is coupled to the base 210, (221).

The clamper 230 is provided at the upper end of the first rod 221 of the first cylinder 220 and when the first rod 221 is lowered and the base 210 moves toward the lifting and pressing part 300, 20 is clamped at the end of the protective film 30 seated on the compression block 310 so that the end of the protective film 30 can be bent orthogonally.

The clamper 230 includes an under clamp 231 fixed to the upper end of the first rod 221 of the first cylinder 220 and an upper clamp 233 selectively spaced by the up / ).

At this time, it is preferable that the under clamp 231 and the upper clamp 233 have a length corresponding to the length of the protective film 30 because the longitudinal side end of the protective film 30 is entirely clamped, 310, the expansion and contraction of the protective film 30 is maintained, and the end portion of the panel 20 is stably bent.

The second cylinder 240 is fixed to one side of the under clamp 231 and ascends and descends together with the under clamp 231. The upper cylinder 231 is fixed to the upper cylinder 231 so as to clamp the end portion of the protective film 30 to which the clamper 230 is fed. ). To this end, the end of the second rod 241 of the second cylinder 240 is structured to be coupled with the upper clamp 233.

That is, the second cylinder 240 moves up and down with the under clamp 231 moving up and down to drive the first cylinder 220, thereby lifting or lowering the upper clamp 233 to move the end of the protective film 30 Or after clamping the window 10 and the panel 20, the clamping is released.

On the other hand, on the opposite surface of the under clamp 231 and the upper clamp 233, a coupling protrusion P is preferably formed so that the end portion of the protective film 30 is stably clamped, The projections P may have various shapes.

In addition, since the first cylinder 220 and the second cylinder 240 may be driven through supply of air or fluid in this embodiment, the kind thereof is not necessarily limited.

2 to 4, the lifting and pressing portion 300 is shown.

The lifting and pressing part 300 is disposed between the pair of bending units 200 which are the lower part of the window jig 100 and the bottom surface of the protective film 30 clamped by the pair of bending units 200 is fixed to the window jig 100. [ So that the panel 20 can be gradually attached to the edge 10 of the window 10 from the longitudinal center of the panel 20 when the panel 20 is attached to the window 10.

The lifting and pressing portion 300 includes a pressing block 310 and a lifting plate 320.

The upper surface of the contact block 311 has a contact surface 311 contacting the bottom surface of the protective film 30. The contact surface 311 contacts the lower surface of the protective film 30, So that when the window 10 and the panel 20 are attached to each other, the panels 20 are joined together in the direction of the edge 11 from the longitudinal center of the panel 20.

At this time, the curved shape of the contact surface 311 is formed such that the center portion in the longitudinal direction of the panel 20 on which the panel 20 is seated is the highest, and the curved shape of the contact surface 311 is gradually increased toward the width direction of the panel 20, As shown in FIG.

It is preferable that the compression block 310 is made of silicon which is capable of elastic deformation so that the combined force when the panel 20 and the window 10 are attached to each other gradually progresses from the center of the panel 20 toward the edge 11 Do.

It is preferable that the width of the compression block 310 perpendicular to the longitudinal direction of the panel 20 is smaller than the width of the panel 20 because the width of the panel 20 before the panel 20 is bonded to the window 10 Both sides of the panel 20 can be folded at an angle corresponding to the edge 10 of the window 10 by the driving of the pressing block 200, (See Figs. 7 to 9).

The lifting plate 320 is lifted and lowered so that the panel 20 and the window 10 are joined together in a state that the lifting plate 320 supports the pressing block 310 fixed on the upper surface in a plate- It is a role to play.

At this time, the lifting plate 320 is not limited to the driving source, of course, to be moved up and down by receiving the driving force of another driving source (not shown).

Accordingly, when the panel 20 and the window 10 are attached to each other, the lifting and pressing portion 300 makes the highest portion of the contact surface 311 contact with the window 10, The joining of the central portion in the longitudinal direction is first induced and then the joining force is applied to the boundary portion where the bending of the window 10 edge 11 is started through the elastic deformation of the compression block 310 through the continuous upward movement of the compression block 310 So that the panel 20 is completely adhered to the window 10.

Hereinafter, a joining method in which the joining of the display device 50 is performed by the window joining apparatus 400 according to the present invention will be described with reference to FIGS. 5 to 10 as follows.

FIG. 5 is a flow chart showing the process of joining by the joining apparatus according to the present invention, and FIGS. 6 to 10 are process charts showing the joining process progressed by the joining apparatus of the present invention.

The method for attaching the display device 50 using the laminating apparatus of the present invention is a method for attaching the protective film 30 to which the panel 20 is adhered and clamping both ends of the protective film 30 through the clamper 230 Step S10; (S20) of stretching the protective film (30) by stretching the protective film (30) while raising the protective film (30) by lifting the compression block (310) firstly; A step (S30) of bending an end of the panel (20) together with the protective film (30) through a second rise of the compression block (310) and a descent and movement of the clamper (230); And a step (S40) of completing the joining by causing the joining block 310 to rise for a third time so that gradual joining is performed in both directions of the edge of the window 10 from the longitudinal center of the panel 20.

The step (S10) of supplying the protective film 30 to which the panel 20 is adhered and clamping both ends of the protective film 30 through the clamper 230,

First, the protective film 30 is supplied to the laminating apparatus using a separate picker (not shown).

6, the upper clamp 233 of the clamper 230 is moved upward (in a dashed dotted line) in the drawing by the driving of the second cylinder 240 so that the both ends of the supplied protective film 30 can be seated And is spaced apart from the under clamp 231 by a predetermined distance.

When the both ends of the supplied protective film 30 are placed on the upper surfaces of the under clamps 231 on both sides, the second cylinder 240 is driven to move the upper clamp 233 to the Both ends of the protective film 30 are clamped while being lowered together.

Then, the first cylinder 220 is driven to lower the clamper 230 to a predetermined position.

Meanwhile, it is preferable that the step S10 further includes a step of adhering the protective film 30 to the panel 20.

At this time, the protective film 30 adhered to the panel 20 is processed to be larger than the width of the panel 20, corresponding to the length of the panel 20.

The protective film 30 processed as described above is adhered to the panel 20 so that the panel 20 is positioned at the center so that the excess portion is exposed to both sides of the panel 20 in the state that the adhesion is completed, And clamped to the clamper 230.

As described above, the protective film 30 adhered to the panel 20 is supplied with the panel 20 facing the window 10 direction.

Next, referring to the step S20 of stretching the protective film 30 by stretching the protective film 30 by pushing up the protective film 30 by first lifting the compression block 310,

When the protective film 30 is clamped by the pair of clamper 230, the lifting plate 320 is lifted as shown in FIG.

At this time, the contact surface 311 of the compression block 310 comes into contact with the bottom surface of the protective film 30 at any moment during the lifting process, and then the bottom surface of the protective film 30 .

In this case, the lifting plate 320 is lifted by a set height so that the protective film 30 clamped to the clamper 230 can be stretched and contracted by the compression block 310. This is to prevent the panel 20 from being wrinkled at the time of attaching the window 10 to the window 10.

In addition, the protective film 30 maintains a state of being in close contact with the contact surface 311 of the compression block 310 due to the expanded and contracted state.

In step S20, the window jig 100 on which the window 10 is placed is lowered to a predetermined position when the protective film 30 is stretched and expanded.

At this time, the window 10, to which the panel 20 is attached, is supported by the seating groove 101 in the window jig 100.

In the above state, the window jig 100 is lowered to a position where the window jig 100 can be adhered to the panel 20 as shown in FIG. 8 by driving a lifter (not shown) provided in the vacuum chamber .

At this time, the downward movement of the window jig 100 may be performed at the same time when the protective film 30 is expanded and contracted.

Next, referring to the step S30 of bending the end portion of the panel 20 together with the protective film 30 through the second rising of the pressing block 310 and the descending and moving of the clamper 230,

When the window jig 100 is lowered to the set position, the lifting plate 320 is lifted and the panel 20 is lifted into the window 10 as shown in FIG. 9 while lifting the compression block 310 secondarily.

At this time, the clamper 230 is lowered by driving the first cylinder 220 at the same time as the compression block 310 is lifted. Then, the end portion of the protective film 30 is pulled downward in the drawing with the clamper 230 bite.

At the same time when the compression block 310 is lifted, the driving motor 213 is driven to move the base 210 in the direction of the lifting plate 320.

9, the end of the protective film 30 is pulled in the downward direction in the state of being bitten by the clamper 230 as the rise of the compression block 310 and the descending and moving of the clamp are simultaneously realized, Lt; RTI ID = 0.0 > 310 < / RTI >

At this time, the ends of the panel 20 exposed in the width direction of the compression block 310 in the process of bending the ends of the protection film 30 are also bent together by the ends of the protection film 30 as shown in FIG. This is possible because the protective film 30 and the panel 20 are adhered to each other.

The bending portion of the panel 20 in the above state maintains the same shape because the protective film 30 is in close contact with the contact surface 311 of the compression block 310 to form a curvature, (See FIG. 1).

Finally, referring to the step S40 of completing the cementing so that the compression block 310 is lifted for the third time so that gradual cementation is performed in both directions of the edge of the window 10 from the longitudinal center of the panel 20,

And causes the compression block 310 to rise for a third time through the continuous rising of the lifting plate 320.

When the third rising of the compression block 310 is started, the center portion in the longitudinal direction of the contact surface 311 of the compression block 310 first comes into contact with the inner surface of the window 10, The central portion of the panel 20 is first brought into contact with the center of the window 10 to form a cement.

Thereafter, the curvature of the contact surface 311 is pressed, and the curvature of the contact surface 311 is gradually adhered to the panel 20, so that the panel 20 is fixed to the window. do. That is, the joining of the panel 20 is made progressively from the center of the panel 20 toward the edge 11 of the window 10. [

10, the joining of the panels 20 is progressively made to the boundary portion at which the bending of the edge 10 of the window 10 starts. When the joining of the panels 20 is completed, The bending portion of the panel 20 is pressed and completely fixed to the edge 11 of the window 10 to complete the adhesion of the window 10 and the panel 20 to complete the display device 50.

The window jig 100 and the lifting and pressing part 300 return to their home positions and the second cylinder 240 is driven to lift the upper clamp 233 and take out the display device 50. [

As described so far, the window lacquering apparatus of the present invention is a window lacquering apparatus of the present invention, in which when a panel is attached to a window formed at a right angle by 90 degrees, a gradual adhesion is made from the longitudinal center to the edge of the panel, So that a pressing force for cementing can be applied to the top surface of the panel, so that the panel can be completely attached.

Further, since the end portion of the panel is bent before the panel is attached, there is an excellent effect that interference with the window does not occur at the time of attaching the panel.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments .

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 and scope of the invention as defined by the appended claims. There is no doubt that it is within.

10: Windows 11: Edge
20: panel 30: protective film
40: L / M guide 50: Display device
100: window jig 101: seat groove
200: Bending unit 210: Base
211: fixed block 213: drive motor
213a: shaft 220: first cylinder
221: first load 230: clamper
231: under clamp 233: upper clamp
240: second cylinder 241: second rod
300: lifting and pressing portion 310: pressing block
311: contact surface 320: lifting plate
400: Lapping device P: Coupling projection

Claims (9)

A window sticking device (400) for attaching a panel (20) to which a protective film (30) is adhered to a window (10) having an edge (11)
A window jig 100 on one side of which the window 10 is supported;
The panel 20 is disposed movably in a state of facing the lower side of the window jig 100 and clamps both ends of the protective film 30 so that when the panel 20 is attached to the window 10, A pair of bending units 200 for bending both ends orthogonally; And
The bottom surface of the protection film 30 clamped by the pair of bending units 200 is disposed between the pair of bending units 200 which are the lower part of the window jig 100, ) Elevating the panel 20 in the direction of the edge 10 of the window 10 from the longitudinal center of the panel 20 when the panel 20 is attached to the window 10 300,
The bending unit 200 includes a plate-like base 210 which moves on the L / M guide 40 to the elevation pushing portion 300 by the retraction of the shaft 213a of the driving motor 213; A first cylinder 220 provided in the base 210; When the first rod 221 of the first cylinder 221 is lowered and the base 210 moves in the direction of the lifting and depressing part 300 simultaneously with the descent of the first rod 221, A clamper 230 constituted by an under clamp 231 and an upper clamp 233 for clamping the end portion of the protective film 30 so that the end of the protective film 30 can be bent orthogonally; And the upper clamp 233 is moved up and down together with the under clamp 231 so that the clamper 230 can clamp the end of the protective film 30, And a second cylinder (240) having a second rod (241) for making the second rod (241). delete The method according to claim 1,
Wherein a coupling protrusion (P) is further formed on one surface of the under clamp (231) and the upper clamp (233) so that the end portion of the protective film (30) is stably clamped. Device (400). The method according to claim 1,
The lifting / pressing portion 300 includes:
A contact surface 311 contacting the bottom surface of the protective film 30 is formed to be curved so that when the window 10 and the panel 20 are attached to each other, A compression block (310) elastically deformed so as to be gradually adhered in a direction of a first direction; And
And a lifting plate (320) for lifting the pressing block (310) while supporting the pressing block (310). 5. The method of claim 4,
Wherein a width of the compression block (310) is smaller than a width of the panel (20). 6. The method of claim 5,
Wherein the compression block (310) is silicon that is elastically deformable. A cementation method using a cementing device according to any one of claims 4 to 6,
(S10) supplying a protective film (30) to which the panel (20) is bonded and clamping both ends of the protective film (30) through the clamper (230);
(S20) of stretching the protective film (30) by stretching the protective film (30) while raising the protective film (30) by lifting the compression block (310) firstly;
A step (S30) of bending an end of the panel (20) together with the protective film (30) through a second rise of the compression block (310) and a descent and movement of the clamper (230); And
And a step (S40) of completing the joining by causing the joining block (310) to rise for a third time so that progressive joining is performed in both directions of the edge of the window (10) from the longitudinal center of the panel (20). 8. The method of claim 7,
Wherein the step (S10) further comprises the step of bonding the protective film (30) to the panel (20). 8. The method of claim 7,
Wherein the step (S20) further comprises lowering the window jig (100) on which the window (10) is seated to a predetermined position when the protective film (30) is stretched and expanded.

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