JP2016203609A - Joint device and production method of curved display device using the same - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a joint device and a production method of a curved display device using the same.SOLUTION: A joint device includes: a stage to support a cover window including a first curved surface part and a planar part connected continuously with each other; a support member placed on the upper part of the stage and supporting a panel member including one part and another part so as to be opposite to the cover window; and a pressing member placed on the upper side of the support member. The pressing member includes: an air injection part configured such that the one part of the panel member is attached to the first curved surface part of the cover window by injecting a first air so as to press the support member; and a press part connected to one side of the air injection part and configured such that the another part of the panel member is attached to the planar part of the cover window by being in contact with the support member and so as to press the support member.SELECTED DRAWING: Figure 1

Description

  The present invention relates to a bonding apparatus and a method for manufacturing a curved display device using the bonding apparatus.

  Electronic devices such as mobile communication terminals, digital cameras, notebook computers, monitors, and televisions include display devices for displaying images. The display device includes a display panel that generates and displays an image and a cover window that is disposed on the display panel and protects the display panel.

  Recently, display devices having various shapes have been developed as the shapes of electronic devices are diversified. For example, a curved display device in which a curved surface portion is formed at least partially in accordance with the shape of an electronic device having a curved surface portion formed at least partially has been developed.

  On the other hand, a curved display device uses a pressing member such as a pressing bar to join a display panel formed of a soft material to a cover window formed of a hard material and having a curved surface portion at least partially. Can be manufactured.

  However, when a display panel made of a soft material is joined to a curved portion of a cover window made of a hard material, the pressure member applies pressure to the display panel while rotating on the curved portion of the cover window. It is not easy to join the display panel to the curved surface portion. In this case, foaming may occur between the display panel and the cover window.

  Such foaming may cause unevenness in the curved display device and reduce display quality.

  Therefore, the problem to be solved by the present invention is to provide a joining device that can realize a curved display device that reduces the occurrence of foaming inside and improves display quality, and a method of manufacturing a curved display device using the same. There is to do.

  The problems of the present invention are not limited to the technical problems mentioned above, and other technical problems that are not mentioned will be clearly understood by those skilled in the art from the following description.

  In order to achieve the above object, a joining apparatus according to an embodiment of the present invention includes a stage that supports a cover window including a first curved surface portion and a flat surface portion that are continuous with each other, a top portion of the stage, and a part and others. A support member that supports the panel member including the portion of the panel member so as to face the cover window, and a pressurizing member that is disposed above the support member. The pressurizing member injects first air. An air injection part configured to attach a part of the panel member to the first curved surface part of the cover window by pushing the support member, and one side of the air injection part connected to the support member. A pressing portion configured to attach another portion of the panel member to the flat portion of the cover window by contacting and pressing the support member.

  The pressurizing member may further include a main body portion, and the air injection portion may be extended from one side of the main body portion so as to be narrow, and may include one side surface and another side surface.

  The air injection part may include a first air injection hole formed on the one side surface and providing a passage through which the first air is injected toward the support member.

  The pressurizing member may further include a first air supply groove formed inside the main body and extended to the inside of the air injection unit so as to be connected to the first air injection hole.

  In addition, the joining device includes a first elastic member that is installed in the air injection unit so as to overlap the first air injection hole and is configured to protrude toward the support member by the injection of the first air. Further may be included.

  The first elastic member may be installed in a form that is flat on the air injection part or that protrudes toward the support member.

  The cover window may further include a second curved surface portion that is located between the first curved surface portion and the flat surface portion and overlaps the first curved surface portion.

  The cover window further includes a second curved surface portion connected to the flat surface portion, and the air injection portion injects second air from another portion where the first air is injected and pushes the support member. Accordingly, another part of the panel member may be attached to the second curved surface part.

  The cover window is located between the first curved surface portion and the flat surface portion and overlaps the first curved surface portion, a third curved surface portion connected to the flat surface portion, and the third A fourth curved surface portion connected to the curved surface portion and overlapping the third curved surface portion, wherein the air injection portion injects second air from another portion of the portion where the first air is injected and supports the fourth curved surface portion. It may be configured to attach another part of the panel member to the fourth curved surface portion by pushing the member.

  The air injection portion is formed on the one side surface and has a first air injection hole that provides a passage through which the first air is injected toward the support member; and the second air is formed on the other side surface. A second air injection hole that provides a passage that is injected toward the support member.

  The pressurizing member includes a first air supply groove formed inside the main body portion and extended to the inside of the air injection portion so as to be connected to the first air injection hole. A second air supply groove formed and extended to the inside of the air injection part so as to be connected to the second air injection hole.

  In addition, the joining device includes a first elastic member that is installed in the air injection portion so as to overlap the first air injection hole and is configured to protrude toward the support member by the injection of the first air. And a second elastic member installed in the air injection portion so as to overlap the second air injection hole and configured to protrude toward the support member by the injection of the second air.

  Each of the first elastic member and the second elastic member may be installed in a form that is flat on the air injection portion or that protrudes toward the support.

  The panel member may be a flexible touch panel or a display panel.

  A method of manufacturing a curved surface display device using a joining device according to an embodiment of the present invention for achieving the above-described object includes the steps of mounting a cover window including a first curved surface portion and a flat surface portion that are continuous with each other on a stage, A support member that supports a panel member including a part and another part so as to face the cover window is disposed at an upper part of the stage, and an air injection part and a pressing part connected to one side of the air injection part are provided. A step of disposing a pressure member including the upper portion of the support member; pressing the support member with a pressure of the first air injected from the air injection unit; and a part of the panel member to the first curved surface part of the cover window And attaching the other part of the panel member to the flat part of the cover window by pressing the support member with the pressing force of the pressing part contacting the support member. Including the step of, the.

  The step of attaching a part of the panel member to the first curved surface portion of the cover window is such that another portion of the panel member is in close contact with a portion of the flat surface portion of the cover window adjacent to the first curved surface portion. A process of applying a pressing force to the support member using the pressing portion, and a first curved surface of the cover window with a first air injection hole formed on one side of the air injection portion sandwiching the support member. A process of adjusting the rotation of the pressurizing member so as to face the part, and a process of injecting the first air toward the support member through the first air injection hole.

  The pressurizing member is further provided with a first elastic member that is installed in the air injection portion so as to overlap the first air injection hole and that protrudes toward the support member by the injection of the first air. May be included.

  The cover window further includes a second curved surface portion connected to the flat surface portion, and the method of manufacturing the curved surface display device includes a second air jetted from another portion where the first air is jetted. The method may further include pressing the support member with pressure to attach another portion of the panel member to the second curved surface portion of the cover window.

  The panel member may be a flexible touch panel or a curved display device of a display panel.

  Specific contents of other embodiments are included in the detailed description and drawings.

  The embodiment of the present invention has at least the following effects.

  The joining apparatus by one Embodiment of this invention can facilitate joining between the curved surface part of a cover window, and a part of panel member by providing the pressurization member containing an air injection part.

  Therefore, the joining device according to the embodiment of the present invention can realize a curved display device that reduces foaming between the cover window including the curved surface portion and the panel member and improves display quality.

  The effect by this invention is not restrict | limited by the content illustrated above, Furthermore, various effects are included in this specification.

It is a block diagram of the joining apparatus by one Embodiment of this invention. It is a perspective view of the stage and cover window of FIG. It is a perspective view of the pressurization member of FIG. FIG. 4 is a cross-sectional view taken along line I-I ′ of FIG. 3. It is a figure for demonstrating the method to manufacture a curved-surface display apparatus using the joining apparatus of FIG. It is a figure for demonstrating the method to manufacture a curved-surface display apparatus using the joining apparatus of FIG. It is a figure for demonstrating the method to manufacture a curved-surface display apparatus using the joining apparatus of FIG. It is a figure for demonstrating the method to manufacture a curved-surface display apparatus using the joining apparatus of FIG. It is a figure for demonstrating the method to manufacture a curved-surface display apparatus using the joining apparatus of FIG. It is a figure for demonstrating the method to manufacture a curved-surface display apparatus using the joining apparatus of FIG. It is a figure for demonstrating the method of manufacturing another curved display apparatus using the joining apparatus of FIG. It is a figure for demonstrating the method of manufacturing another curved display apparatus using the joining apparatus of FIG. It is a figure for demonstrating the method of manufacturing another curved display apparatus using the joining apparatus of FIG. It is a block diagram of the joining apparatus by other embodiment of this invention. It is a perspective view of the stage and cover window of FIG. It is a perspective view of the pressurization member of FIG. It is sectional drawing cut | disconnected along the II-II 'line | wire of FIG. It is a figure for demonstrating the method of manufacturing another curved-surface display apparatus using the joining apparatus of FIG. It is a figure for demonstrating the method of manufacturing another curved-surface display apparatus using the joining apparatus of FIG. It is a figure for demonstrating the method of manufacturing another curved-surface display apparatus using the joining apparatus of FIG. It is a block diagram of the joining apparatus by other embodiment of this invention. FIG. 22 is a perspective view of the pressure member and the first elastic member of FIG. 21. It is sectional drawing cut | disconnected along the III-III 'line | wire of FIG. FIG. 24 is an enlarged cross-sectional view of “A” portion of FIG. 23. It is sectional drawing which shows the other example of the 1st elastic member of FIG. It is a figure for demonstrating the method of manufacturing another curved-surface display apparatus using the joining apparatus of FIG. It is a figure for demonstrating the method of manufacturing another curved-surface display apparatus using the joining apparatus of FIG. It is a figure for demonstrating the method of manufacturing another curved-surface display apparatus using the joining apparatus of FIG. It is a figure for demonstrating the method of manufacturing another curved-surface display apparatus using the joining apparatus of FIG. It is a figure for demonstrating the method of manufacturing another curved-surface display apparatus using the joining apparatus of FIG. It is a block diagram of the joining apparatus by other embodiment of this invention. FIG. 32 is a perspective view of a pressure member, a first elastic member, and a second elastic member in FIG. 31. It is sectional drawing cut | disconnected along the IV-IV 'line | wire of FIG. It is a figure for demonstrating the method of manufacturing another curved-surface display apparatus using the joining apparatus of FIG. It is a figure for demonstrating the method of manufacturing another curved-surface display apparatus using the joining apparatus of FIG. It is a figure for demonstrating the method of manufacturing another curved-surface display apparatus using the joining apparatus of FIG.

  Advantages and features of the present invention and methods for achieving them will become apparent in the embodiments described in detail later in conjunction with the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below, but can be realized in various forms different from each other. The present embodiments merely complete the disclosure of the present invention, and It is provided to fully inform those skilled in the art of the scope of the invention and is defined only by the scope of the claims.

  When an element or layer is referred to as "on" another element or layer, includes all cases where another layer or other element is interposed directly above or in the middle of the other element . Like reference numerals refer to like elements throughout the specification.

  The first and the second are used to describe various elements and components, but it goes without saying that these elements and components are not limited by these terms. These terms are only used to distinguish one component from another. Therefore, it is needless to say that the first component mentioned below can be the second component within the technical idea of the present invention.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings.

  FIG. 1 is a configuration diagram of a bonding apparatus according to an embodiment of the present invention. FIG. 2 is a perspective view of the stage and cover window of FIG. FIG. 3 is a perspective view of the pressure member of FIG. 4 is a cross-sectional view taken along the line I-I 'of FIG.

  1 to 4, a bonding apparatus 100 according to an embodiment of the present invention includes a stage 110, a support member 122, a pressure member 130, a movement driving unit 160, a pressing driving unit 170, an air supply unit 180, and a control unit 190. Can be included. Such a joining apparatus 100 is used for joining the panel member PM and the cover window W.

  The stage 110 is configured to support the cover window W. The upper surface of the stage 110 may have a shape corresponding to the shape of the lower surface of the cover window W, and may include a curved surface and a flat surface, for example. The stage 110 may include a vacuum suction hole (not shown) for fixing the cover window W by vacuum suction.

  The cover window W can be formed of a hard material such as glass or plastic. Such a cover window W can protect a display panel that displays an image on a display device such as an organic light emitting display device or a liquid crystal display device from an external impact, and has a shape corresponding to a curved display device including at least a curved portion. Can do. For example, in FIG. 1, the cover window W shows a case where a first curved surface portion W1 including a curved surface and a flat surface portion W2 continuously connected to the first curved surface portion W1 and including a flat surface are included. It is not limited to such a configuration.

  The support member 122 is disposed on the stage 110 and configured to support the panel member PM so as to face the cover window W. For example, the support member 122 may be formed of a soft support in which an adhesive is applied to the surface facing the cover window W. The pressure-sensitive adhesive can temporarily fix the panel member PM to the support member 122 and has an adhesive force lower than the adhesive force of the adhesive film AF so that the panel member PM can be separated when adhering to the cover window W by the adhesive film AF. Have. The adhesive film AF is disposed on the surface of the panel member PM facing the cover window W. The adhesive film AF attaches the panel member PM to the cover window W, and may be a film such as an optical transparent double-sided tape (Optical Clear Adhesive, OCA).

  The panel member PM may be at least one of a touch panel and a display panel. The touch panel and the display panel may be formed of a soft material such as a flexible plastic material. FIG. 1 shows a case where the panel member PM is a flexible display panel. The panel member PM may include a continuous first portion PM1 and a second portion PM2. The first portion PM1 and the second portion PM2 of the panel member PM are defined by portions that adhere to the first curved surface portion W1 and the flat surface portion W2 of the cover window W.

  The pressure member 130 is disposed on the top of the stage 110. The pressure member 130 injects the first air to a part of the support member 122, attaches the first portion PM1 of the panel member PM to the first curved surface portion W1 of the cover window W by the first air pressure, and moves horizontally to one side. However, the second portion PM2 of the panel member PM is configured to adhere to the flat surface portion W2 of the cover window W by pressing force by directly contacting the other portion of the support member 122. The pressure member 130 is formed of an aluminum material, but is not limited to such a material. As shown in FIGS. 3 and 4, the pressure member 130 may include a main body part 131, an air injection part 132, a pressing part 133, and a first air supply groove 134.

  The main body 131 may have a substantially rectangular parallelepiped shape as the main body of the pressure member 120, but is not limited to such a shape.

  The air injection part 132 is connected to one side of the main body part 131 and may be formed to extend from one side of the main body part 131 in such a manner that the width becomes narrower. The air injection unit 132 may include a first air injection hole 132a.

The first air injection hole 132a may be formed on one side OS1 of the air injection unit 132. The first air injection hole 132a provides a passage for injecting the first air supplied through the first air supply groove 134 to the outside of the one side surface OS1 of the air injection unit 132. The first air may be a gas such as Clean dry air, nitrogen (N ₂ ), or carbon dioxide (CO ₂ ).

  Such an air injection part 132 injects the first air to the outside of one side OS1 of the air injection part 132 through the first air injection hole 132a, and presses a part of the support member 122, thereby pressing the member. The first portion PM1 of the panel member PM may be attached to the first curved surface portion W1 of the cover window W without rotating the 130. This facilitates the attachment of the first portion PM1 of the panel member PM to the first curved surface portion W1 of the cover window W.

  The pressing part 133 is connected to one side of the air injection part 132 and is formed to extend from one side of the air injection part 132 in such a manner that the width becomes narrower. The pressing part 133 can directly press the other part of the support member 122 to adhere the second part PM2 of the panel member PM to the flat part W2 of the cover window W.

  The first air supply groove 134 is disposed inside the main body 131, but is extended to the inside of the air injection unit 132 and is connected to the first air injection hole 132 a. The first air supply groove 134 is a passage for supplying the first air to the air injection part 132, specifically, the first air injection hole 132a.

  The movement driving unit 160 may be connected to the main body 131 and starts the horizontal movement operation, the vertical movement operation, and the rotation movement operation of the pressing member 130. The movement drive unit 160 may be configured by a motor or the like, but may be any configuration that enables the horizontal movement operation, the vertical movement operation, and the rotation movement operation of the pressure member 130.

  The pressing drive unit 170 may be connected to the main body unit 131 to start the pressing operation of the pressing unit 133. The pressing drive unit 170 is configured by a motor or the like, but may be any configuration that allows the pressing unit 133 to perform the pressing operation.

  The air supply unit 180 may be connected to the main body 131, supply the first air to the first air supply groove 134, and supply the first air to the outside of the one side OS <b> 1 of the air injection unit 132 through the first air injection hole 132 a. To be injected. The air supply unit 180 may be configured with an air pump or the like, but may be configured to supply the first air to the first air supply groove 134.

  The control unit 190 controls driving of the movement driving unit 160, the pressing driving unit 170, and the air supply unit 180.

  For example, when the controller 190 attaches the first portion PM1 of the panel member PM to the first curved surface portion W1 of the cover window W, the controller 190 controls the pressing drive portion 170 so that the pressing portion 133 is the first curved surface portion W1 in the cover window W. The support member 122 is pushed to the boundary portion between the first and second flat surfaces W2, and the movement drive unit 160 is controlled so that the first air injection hole 132a is interposed between the support member 122 and the first curved surface portion W1 of the cover window W. The pressure member 130 is rotated so as to face each other, the air supply unit 180 is controlled to inject the first air to the outside of the one side OS1 of the air injection unit 132, and a part of the support member 122 is pushed by the first air pressure. The first portion PM1 of the panel member PM can be attached to the first curved surface portion W1 of the cover window W.

  Further, when the control unit 190 attaches the second part PM2 of the panel member PM to the flat surface portion W2 of the cover window W, the control unit 190 controls the movement driving unit 160 and the pressing driving unit 170 so that the pressurizing member 130 is horizontal in one side direction. While moving, the pressing part 133 presses another part of the support member 122 with a pressing force, and the second part PM2 of the panel member PM can be attached to the flat part W2 of the cover window W.

  The control unit 190 may be realized by a computer or a similar device using hardware, software, or a combination thereof.

  As described above, the bonding apparatus 100 according to the embodiment of the present invention includes the pressure member 130 including the air injection portion 132 having the first air injection hole 132a, so that the panel member is provided on the first curved surface portion W1 of the cover window W. It becomes easy to adhere the first part PM1 of PM.

  Therefore, the joining apparatus 100 according to an embodiment of the present invention reduces the occurrence of foaming between the cover window W including the first curved surface portion W1 and the flat surface portion W2 and the panel member PM, and the curved surface that improves the display quality. A display device can be realized.

  Next, a method for manufacturing a curved display device using the bonding apparatus 100 of FIG. 1 will be described.

  5 to 10 are views illustrating a method of manufacturing a curved display device using the bonding apparatus of FIG.

  First, referring to FIG. 5, the cover window W including the first curved surface portion W <b> 1 and the flat surface portion W <b> 2 is attached to the stage 110. At this time, the upper surface of the stage 110 may have the same shape as the upper and lower surfaces of the cover window W. Although not shown in the drawing, the stage 110 may include a vacuum suction hole (not shown) for vacuum-sucking and fixing the cover window W.

  Next, referring to FIG. 6, the support member 122 that supports the panel member PM so as to face the cover window W is disposed on the stage 110, and the pressure member 130 is disposed on the support member 122. At this time, the adhesive film AF is disposed on the surface of the panel member PM facing the cover window W.

  7 and 8, the first portion PM1 of the panel member PM is attached to the cover window W by using the first air pressure of the first air injected from the air injection portion 132 of the pressurizing member 130. It is made to adhere to the 1st curved surface part W1.

  Specifically, as shown in FIG. 7, a portion adjacent to the first curved portion W1 of the flat portion W2 of the cover window W is adjacent to the first portion PM1 of the second portion PM2 of the panel member PM. A pressing force is applied to the support member 122 using the pressing portion 133 so that the first air injection hole 132a faces the first curved surface portion W1 of the cover window W with the support member 122 interposed therebetween. The rotation of the pressure member 130 is adjusted. The pressing force by the pressing unit 133 can be, for example, 0.15 MPa.

  Thereafter, as shown in FIG. 8, when the first air is jetted through the first air jet holes 132a, the first air pressure by the first air is applied to the support member 122, and the panel member PM is passed through the adhesive film AF. The first portion PM1 is attached to the first curved surface portion W1 of the cover window W. The first air pressure of the first air injected through the first air injection hole 132a may be 0.3 Mpa to 1 Mpa and is applied to the support member 122 for about 60 seconds.

  Subsequently, referring to FIGS. 9 and 10, the second portion PM <b> 2 of the panel member PM is attached to the flat portion W <b> 2 of the cover window W using the pressing portion 133 of the pressing member 130.

  Specifically, referring to FIG. 9, the angle of the cover window W and the pressing portion 133 is set to a predetermined angle, for example, 45 ° to 90 ° at the boundary portion between the first curved surface portion W1 and the flat surface portion W2 in the cover cover window W. The rotation of the pressure member 130 is adjusted so that the pressing member 133 is used to apply a pressing force to the support member 122 so that the second portion PM2 of the panel member PM starts to adhere to the flat surface portion W2 of the cover window W.

  Thereafter, referring to FIG. 10, the driving unit 160 and the pressing driving unit 170 drive the pressing unit 133 to apply a pressing force to the support member 122 while continuously moving horizontally in one side direction. The attachment of the second portion PM2 to the flat surface portion W2 of the cover window W is completed.

  Next, a method for manufacturing another curved display device using the bonding apparatus 100 of FIG. 1 will be described.

  11 to 13 are views for illustrating a method of manufacturing another curved display device using the bonding apparatus of FIG.

  Referring to FIG. 11, a cover window W10 including a continuous first curved surface portion W11, a second curved surface portion W12, and a flat surface portion W13 is attached to the stage 110. The cover window W10 is similar to the cover window W of FIG. 5 except that it includes two curved surface portions on one side of the flat surface portion W13. Here, the second curved surface portion W12 of the cover window W10 overlaps with the first curved surface portion W11 and may have, for example, a generally “C” shape.

  Further, the support member 122 that supports the panel member PM10 so as to face the cover window W10 is disposed on the upper portion of the stage 110, and the pressure member 130 is disposed on the upper portion of the support member 122. At this time, the adhesive film AF10 is disposed on the surface of the panel member PM10 facing the cover window W10. The panel member PM10 is similar to the panel member PM of FIG. 6 except that it has a long length. Further, the adhesive film AF10 is similar to the adhesive member AF of FIG. 6 except that it has a long length corresponding to the length of the panel member PM10.

  Subsequently, referring to FIGS. 12 and 13, the first part PM11 of the panel member PM10 is attached to the first part of the cover window W10 using the first air pressure of the first air injected from the air injection part 132 of the pressurizing member 130. 1 It is made to adhere to curved surface part W11.

  Specifically, as shown in FIG. 12, the pressing portion 133 is used so that the portion of the panel member PM10 adjacent to the first portion PM11 is in close contact with the portion of the cover window W10 adjacent to the first curved surface portion W11. Then, a pressing force is applied to the support member 122, and the rotation of the pressure member 130 is adjusted so that the first air injection hole 132a faces the first curved surface portion W11 of the cover window W10 with the support member 122 interposed therebetween. The pressing force by the pressing unit 133 can be, for example, 0.15 MPa.

  Thereafter, as shown in FIG. 13, when the first air is jetted through the first air jet holes 132a, the first air pressure by the first air is applied to the support member 122, and the panel member PM10 is passed through the adhesive film AF10. The first portion PM11 adheres to the first curved surface portion W11 of the cover window W10. The first air pressure of the first air injected through the first air injection hole 132a may be 0.3 Mpa to 1 Mpa and is applied to the support member 122 for about 60 seconds.

  Subsequently, although not shown in the drawings, the second portion PM12 and the third portion PM13, which are the remaining portions of the panel member PM10, are covered by using the pressing portion 133 of the pressing member 130 in the same manner as in FIGS. It is made to adhere to the 2nd curved surface part W12 and the plane part W13 of the window W10.

  On the other hand, when the 1st air pressure of the 1st air injected from the air injection part 132 of the pressurization member 130 is utilized for adhering the 1st part PM11 of the panel member PM10 to the 1st curved surface part W11 of the cover window W10. However, the second portion PM12 of the panel member PM10 can be used to adhere to the second curved surface portion W12 of the cover window W10.

  Next, a bonding apparatus 200 according to another embodiment of the present invention will be described.

  FIG. 14 is a configuration diagram of a bonding apparatus according to another embodiment of the present invention. FIG. 15 is a perspective view of the stage and cover window of FIG. FIG. 16 is a perspective view of the pressure member of FIG. 17 is a cross-sectional view taken along the line II-II 'of FIG.

  14 to 17, a joining apparatus 200 according to another embodiment of the present invention differs from the joining apparatus 100 of FIG. 1 only in the stage 210 and the pressure member 230, and has the same configuration. Accordingly, the bonding apparatus 200 according to another embodiment of the invention will be described with a focus on the stage 210 and the pressure member 230.

A bonding apparatus 200 according to another embodiment of the present invention may include a stage 210, a support member 122, a pressure member 230, a movement driving unit 160, a pressing driving unit 170, an air supply unit 180, and a control unit 190.
Such a joining apparatus 200 is used for joining the panel member PM20 and the cover window W20.

  Stage 210 is similar to stage 110 of FIG. However, the upper surface of the stage 210 includes a first curved surface, a flat surface, and a second curved surface so as to correspond to the shape of the lower surface of the cover window W20.

  The cover window W20 is similar to the cover window W of FIG. However, the cover window W20 is continuous with the first curved surface portion W21 including the curved surface, the first curved surface portion W21, the flat surface portion W22 including the flat surface, and continuous with the flat surface portion W22, and the second curved surface including the curved surface. Part W23. The first curved surface portion W21 and the second curved surface portion W23 are symmetric with respect to the center of the flat surface portion W22.

On the other hand, the panel member PM20 supported by the support member 122 is similar to the panel member PM of FIG.
However, the panel member PM20 may have a length corresponding to the cover window W20, and may include a continuous first portion PM21, second portion PM22, and third portion PM23. That is, the first part PM21, the second part PM22, and the third part PM23 of the panel member PM20 are defined by the parts attached to the first curved surface part W21, the flat surface part W22, and the second curved surface part W23 of the cover window W20.

  Further, the adhesive film AF20 is similar to the adhesive film AF of FIG. However, the adhesive film AF20 may have a length corresponding to the length of the panel member PM20.

  The pressure member 230 is similar to the pressure member 130 of FIG. However, the pressure member 230 injects the first air to a part of the support member 122 and attaches the first portion PM21 of the panel member PM20 to the first curved surface portion W21 of the cover window W by the first air pressure, and on one side. The second portion PM22 of the panel member PM20 is attached to the flat surface portion W22 of the cover window W20 by a pressing force by directly contacting the other portion of the support member 122 while horizontally moving, and the second portion PM22 of the panel member PM20 is attached to the other portion of the support member 122. 2 air is injected and it is comprised so that the 3rd part PM23 of the panel member PM20 may adhere to the 2nd curved surface part W23 of the cover window W20 with a 2nd air pressure. As shown in FIGS. 16 and 17, the pressure member 230 may include a main body part 131, an air injection part 232, a pressing part 133, a first air supply groove 134 and a second air supply groove 234.

  The main body part 131, the pressing part 133 and the first air supply groove 134 of the pressing member 230 are the same as the main body part 131, the pressing part 133 and the first air supply groove 134 of the pressing member 130 shown in FIGS. Therefore, the overlapping description is omitted.

  The air injection unit 232 is similar to the air injection unit 132 of FIGS. However, the air injection part 232 includes a first air injection hole 132a and a second air injection hole 232a.

  The first air injection hole 132a of the air injection unit 232 is the same as the first air injection hole 132a of the air injection unit 132 shown in FIGS. 3 and 4, and the first air supplied through the first air supply groove 134 is used. Is provided to the outside of the one side OS1 of the air injection unit 232.

The second air injection hole 232a may be formed on the other side surface OS2 of the air injection unit 232. The second air injection hole 232a provides a passage for injecting the second air supplied through the second air supply groove 234 to the outside of the other side surface OS2 of the air injection unit 232. The second air can be a gas such as Clean dry air, nitrogen (N ₂ ), or carbon dioxide (CO ₂ ).

  The air injection unit 232 is configured to inject the first air to the outside of the one side OS1 of the air injection unit 232 through the first air injection hole 132a so as to push a part of the support member 122. By pressing the other part of the support member 122 by injecting the second air to the outside of the other side OS2 of the air injection unit 232 through the hole 232a, the pressure member 230 is not rotated, and the panel The first portion PM21 of the member PM20 can be attached to the first curved surface portion W21 of the cover window W20, and the third portion PM23 of the panel member PM20 can be attached to the second curved surface portion W23 of the cover window W20. Accordingly, it becomes easy to attach the first part PM21 and the third part PM23 of the panel member PM20 to the first curved surface part W21 and the second curved surface part W23 of the cover window W20.

  The second air supply groove 234 is disposed inside the main body 131, but is disposed so as to extend to the inside of the air injection unit 232 and to be connected to the second air injection hole 232 a. The second air supply groove 234 is a passage for supplying the second air to the air injection portion 232, specifically, the second air injection hole 232a.

  Meanwhile, the movement driving unit 160, the pressure driving unit 170, and the air supply unit 180 of the bonding apparatus 200 according to another embodiment of the present invention are the movement driving unit 160, the pressure driving unit 170, and the air supply unit 180 of the bonding apparatus 100 of FIG. Similar to. However, the movement driving unit 160, the pressing driving unit 170, and the air supply unit 180 of the joining apparatus 200 according to another embodiment of the present invention use the pressing member 230 to cover the third portion PM23 of the panel member PM20 of the cover window W20. It may be configured to include a drive necessary for attaching to the second curved surface portion W23. For example, the air supply unit 180 of the bonding apparatus 200 according to another embodiment of the present invention supplies the second air to the second air supply groove 234, and the other side surface OS2 of the air injection unit 232 through the second air injection hole 232a. The second air is jetted outside.

  In addition, the control unit 190 of the bonding apparatus 200 according to another embodiment of the present invention is similar to the control unit 190 of the bonding apparatus 100 of FIG. However, the control unit 190 of the joining apparatus 200 according to another embodiment of the present invention is necessary to attach the third portion PM23 of the panel member PM20 to the second curved surface portion W23 of the cover window W20 using the pressing member 230. Including control over various driving.

  For example, the control unit 190 of the joining apparatus 200 according to another embodiment of the present invention controls the driving of the pressing drive unit 170 when attaching the third portion PM23 of the panel member PM20 to the second curved surface portion W23 of the cover window W20. Thus, the pressing portion 133 presses the support member 122 against the boundary portion between the second curved surface portion W23 and the flat surface portion W22 in the cover window W20, and the second air injection hole 232a is supported by controlling the rotational movement of the movement driving portion 160. A support member is formed by injecting the second air to the outside of the other side surface OS2 of the air injection unit 232 by controlling the air supply unit 180 so as to face the second curved surface part W23 of the cover window W20 with the member 122 interposed therebetween. The other part of 122 is pushed by the second air pressure, and the third part PM23 of the panel member PM20 is pushed to the second part of the cover window W20. So as to adhere to the surface W23.

  As described above, the joining apparatus 200 according to another embodiment of the present invention includes the pressure member 230 including the air injection part 232 having the first air injection hole 132a and the second air injection hole 232a, thereby forming the cover window W20. It becomes easy to adhere the first part PM21 and the third part PM23 of the panel member PM20 to the first curved surface part W21 and the second curved surface part W23.

  Therefore, the joining apparatus 200 according to another embodiment of the present invention reduces the occurrence of foaming between the cover window W20 including the first curved surface portion W21, the flat surface portion W22, and the second curved surface portion W23 and the panel member PM20. Thus, a curved display device with improved display quality can be realized.

  Next, another method of manufacturing a curved display device using the joining device 200 of FIG. 14 will be described.

  18 and 19 are views for illustrating a method of manufacturing another curved display device using the joining device of FIG.

  A method of attaching the first part PM21 and the second part PM22 of the panel member PM20 to the first curved surface part W21 and the flat surface part W22 of the cover window W20 using the pressure member 230 is shown in FIGS. 130 is the same as the method of attaching the first part PM1 and the second part PM2 of the panel member PM to the first curved surface part W1 and the flat part W2 of the cover window W using 130.

  18 and 19, the third portion PM23 of the panel member PM20 is attached to the cover window W20 by using the second air pressure of the second air supplied to the air injection unit 232 of the pressurizing member 230. It is made to adhere to the 2nd curved surface part W23.

  Specifically, as shown in FIG. 18, a portion of the flat surface portion W22 of the cover window W20 adjacent to the second curved surface portion W23 is adjacent to the third portion PM23 of the second portion PM22 of the panel member PM20. A pressing force is applied to the support member 122 using the pressing portion 133 so that the second air injection hole 232a faces the second curved surface portion W23 of the cover window W20 with the support member 122 interposed therebetween. The rotation of the pressure member 230 is adjusted. The pressing force by the pressing unit 133 can be, for example, 0.15 MPa.

  After that, as shown in FIG. 19, when the second air is injected through the second air injection hole 232a, the second air pressure by the second air is applied to the support member 122, and the panel member PM20 through the adhesive film AF20. The third portion PM23 is attached to the second curved surface portion W23 of the cover window W20. The second air pressure of the second air injected through the second air injection hole 232a may be 0.3 Mpa to 1 Mpa and is applied to the support member 122 for about 60 seconds.

  Next, a method for manufacturing another curved display device using the bonding apparatus of FIG. 14 will be described.

  FIG. 20 is a diagram for illustrating a method of manufacturing another curved display device using the joining apparatus of FIG.

  Referring to FIG. 20, a cover window W30 including a continuous first curved surface portion W31, second curved surface portion W32, flat surface portion W33, third curved surface portion W34, and fourth curved surface portion W35 is attached to the stage 210. The cover window W30 is similar to the cover window W of FIG. 5 except that it includes two curved surface portions on one side of the plane portion W33 and two curved surface portions on the other side. Here, the second curved surface portion W32 of the cover window W30 overlaps the first curved surface portion W31 and may have, for example, a generally “C” shape. Further, the fourth curved surface portion W35 of the cover window W30 overlaps with the third portion W34 and may have, for example, a generally “C” shape.

  Further, the support member 122 that supports the panel member PM30 so as to face the cover window W30 is disposed on the upper portion of the stage 210, and the pressure member 230 is disposed on the upper portion of the support member 122. At this time, the adhesive film AF30 is disposed on the surface of the panel member PM30 facing the cover window W30. The panel member PM30 differs from the panel member PM of FIG. 6 only in that it has a long length and is similar. Further, the adhesive film AF10 is similar to the adhesive member AF of FIG. 6 except that it has a long length corresponding to the length of the panel member PM30.

  Subsequently, although not shown in the drawings, the first air pressure of the first air that is injected to the outside of the one side OS1 of the air injection unit 232 of the pressurizing member 230 in the same manner as in FIGS. 12 and 13 is used. The first portion PM31 of the panel member PM30 is attached to the first curved surface portion W31 of the cover window W30.

  Subsequently, although not shown in the drawings, the second portion PM32, the third portion PM33, and the fourth portion PM34 of the panel member PM30 are made using the pressing portion 133 of the pressure member 230 in the same manner as in FIGS. The cover window W30 is attached to the second curved surface portion W32, the flat surface portion W33, and the third curved surface portion W34.

  Subsequently, although not shown in the drawings, the second air pressure of the second air injected to the outside of the other side OS2 of the air injection portion 232 of the pressurizing member 230 in the same manner as FIGS. 12 and 13 is used. The fifth portion PM35 of the panel member PM30 is attached to the fourth curved surface portion W35 of the cover window W30.

  Meanwhile, the first air pressure and the second air pressure of the first air and the second air injected from the air injection portion 232 of the pressurizing member 230 cover the first part PM31 and the fifth part PM35 of the panel member PM30 and cover window W30. Although the case where it uses for adhering to the 1st curved surface part W31 and 4th curved surface part W35 of this was demonstrated, the 2nd curved surface part W32 of the 2nd curved surface part W32 of the cover window W33 and the 4th part PM34 of the panel member PM30 is used. It can also be used for adhering to the three curved surface portion W34.

  Next, a bonding apparatus 300 according to another embodiment of the present invention will be described.

  FIG. 21 is a configuration diagram of a bonding apparatus according to still another embodiment of the present invention. 22 is a perspective view of the pressure member and the first elastic member of FIG. 23 is a cross-sectional view taken along the line III-III 'of FIG. FIG. 24 is an enlarged cross-sectional view of the “A” portion of FIG. 25 is a cross-sectional view showing still another example of the first elastic member shown in FIG.

  Referring to FIGS. 21 to 25, a bonding apparatus 300 according to another embodiment of the present invention is different from only the pressure member 330 and the first elastic member 340 and includes the same configuration. Accordingly, the joining apparatus 300 according to another embodiment of the present invention will be described with a focus on the pressure member 330 and the first elastic member 340.

  A joining apparatus 300 according to another embodiment of the present invention includes a stage 110, a support member 122, a pressure member 330, a first elastic member 340, a movement driving unit 160, a pressing driving unit 170, an air supply unit 180, and a control unit 190. May be included. Such a joining apparatus 300 is used to join the panel member PM and the cover window W.

  The pressure member 330 includes a main body part 131, an air injection part 332, a pressing part 133, and a first air supply groove 134, and is similar to the pressure member 130 shown in FIGS. However, the air injection part 332 of the pressure member 330 may include the first mounting groove 332a and the first air injection hole 332b.

  The first mounting groove 332a may be formed on one side surface OS1 of the air injection unit 332. A first step surface SS1 is formed on the inner surface of the first mounting groove 332a, and the first step surface SS1 provides a space in which the first elastic member 340 can be stably attached to the air injection portion 332 of the pressure member 330. obtain.

  The first air injection hole 332b may be formed on the floor surface of the first mounting groove 332a. The first air injection hole 332b provides a passage for supplying the first air supplied through the first air supply groove 134 to the first mounting groove 332a.

  Such an air injection part 332 is added by injecting the first air into the first mounting groove 332a through the first air injection hole 332b so that the first elastic member 340 pushes a part of the support member 122. The first portion PM1 of the panel member PM can be attached to the first curved surface portion W1 of the cover window W without rotating the pressure member 130. Accordingly, the surface contact efficiency between the first curved surface portion W1 of the cover window W and the first portion PM1 of the panel member PM is improved, and the joining becomes easy.

  The first elastic member 340 is installed on the inner side surface of the first mounting groove 332a of the air injection unit 332, specifically, on the first step surface SS1. The first elastic member 340 may protrude toward the outside of the air injection unit 332 by the first air injected from the air injection unit 332. For example, the first elastic member 340 has a flat shape before the first air is injected from the air injection unit 332, and when the first air is injected from the air injection unit 332, the first air causes the outside of the air injection unit 332. And may have a curved shape. The first elastic member 340 may push the support member 122 to adhere the first portion PM1 of the panel member PM to the first curved surface portion W1 of the cover window W. In some embodiments, the air injection unit 332 may reduce the first air pressure of the first air injected into the first elastic member 340 in order to cause the first elastic member 340 to protrude outside the air injection unit 332. The first elastic member 340a having a shape protruding from the air injection unit 332 before the first air is injected, for example, a curved shape, may be used instead of the first elastic member 340.

  The first elastic member 340 may be formed of any one of materials expanded by the first air, for example, Teflon (registered trademark), silicon, rubber, and resin. The resin may be polyethylene terephthalate, polycarbonate, polysulfone, fiber reinforced plastic, polyamide (Poly Amide), polyethylene (Poly Amide), polyethylene (Poly Poly), or polyethylene (Poly Poly). And at least one of Olefin, Polysulfone, Polyaluminum Chloride, Polymethyl Methacrylate, and Poly Styrene. That.

  Meanwhile, a bonding apparatus 300 according to still another embodiment of the present invention is applied to the first step surface SS1, and a first adhesive 352 that fixes the first elastic member 340 to the air injection unit 332, and the first elastic member 340. A second adhesive 354 that is applied so as to overlap the first step surface SS1, a cover 356 that adheres to the first step surface SS1 on the second adhesive 354, a cover 356, and a second adhesive 354, a first elastic member 340, and a first adhesive 352, and a fastening member 358 that is fastened to the air injection unit 332 and firmly fixes the first elastic member 340 to the air injection unit 332. The first adhesive 352 and the second adhesive 354 may be an epoxy adhesive, the cover 356 may be formed of a stainless material, and the fastening member 358 may be a screw.

  In addition, the movement driving unit 160, the pressure driving unit 170, the air supply unit 180, and the control unit 190 of the bonding apparatus 300 according to another embodiment of the present invention are the movement driving unit 160 and the pressure driving unit 170 of the bonding apparatus 100 of FIG. , Similar to the air supply unit 180 and the control unit 190. However, the air supply unit 180 and the control unit 190 of the bonding apparatus 300 according to still another embodiment of the present invention have a first air pressure that causes the first elastic member 340 to protrude toward the outside of the air injection unit 332. May be configured to supply.

  That is, the air supply unit 180 of the bonding apparatus 300 may be connected to the main body 131 and supply the first air to the first air supply groove 134 so that the first elastic member 340 protrudes toward the outside of the air injection unit 332. Then, the first mounting groove 332a is injected through the first air injection hole 332b.

  When the control unit 190 of the joining apparatus 300 attaches the first part PM1 of the panel member PM to the first curved surface portion W1 of the cover window W, the control unit 190 controls the pressing drive unit 170 so that the pressing portion 133 is the first curved surface in the cover window W. The support member 122 is pushed against the boundary portion between the portion W1 and the plane portion W2, and the movement drive unit 160 is controlled so that the first elastic member 340 has the support member 122 in between and the first curved surface portion W1 of the cover window W. The pressure member 330 is rotated so as to face the air supply unit 180 and the air is supplied to the first mounting groove 332a so that the first elastic member 340 pushes a part of the support member 122, and the panel member The first portion PM1 of PM is attached to the first curved surface portion W1 of the cover window W.

  As described above, the joining apparatus 300 according to another exemplary embodiment of the present invention includes the pressure member 330 including the air injection part 332 having the first air injection hole 332b and the first elastic member 340, thereby providing the cover window W. The surface contact efficiency between the first curved surface portion W1 and the first portion PM1 of the panel member PM can be improved, and the joining can be facilitated.

  Therefore, the joining apparatus 300 according to another embodiment of the present invention reduces the occurrence of foaming between the cover window W including the first curved surface portion W1 and the flat surface portion W2 and the panel member PM, and the display quality is improved. An improved curved surface display device can be realized.

  Next, a method for manufacturing a curved display device using the joining device 300 of FIG. 21 will be described.

  26 and 27 are views for illustrating a method of manufacturing another curved display device using the bonding apparatus of FIG.

  First, the cover window W including the first curved surface portion W1 and the flat surface portion W2 is mounted on the stage 110 in the same manner as in FIGS. 5 and 6, and the support member 122 that supports the panel member PM so as to face the cover window W. Is placed on the stage 110 and the pressure member 330 is placed on the support member 122.

  Subsequently, referring to FIGS. 26 and 27, the first elastic member 340 protruding by the first air pressure of the first air injected from the air injection part 332 of the pressurizing member 330 is used to make the first of the panel member PM. One portion PM1 is attached to the first curved surface portion W1 of the cover window W.

  Specifically, as shown in FIG. 26, a portion of the flat portion W2 of the cover window W adjacent to the first curved surface portion W1 is adjacent to the first portion PM1 of the second portion PM2 of the panel member PM. A pressing force is applied to the support member 122 using the pressing portion 133 so that the first elastic member 340 faces the first curved surface portion W1 of the cover window W with the support member 122 interposed therebetween. The rotation of the member 130 is adjusted. The pressing force by the pressing unit 133 can be, for example, 0.15 MPa.

  Then, as shown in FIG. 27, when the first elastic member 340 is projected toward the support member 122 by injecting the first air through the first air injection hole 332b, the pressing force by the first elastic member 340 is reduced. In addition to the support member 122, the first portion PM1 of the panel member PM is attached to the first curved surface portion W1 of the cover window W through the adhesive film AF. The first air pressure of the first air injected through the first air injection hole 332b may be 0.5 Mpa to 1 Mpa and is applied to the first elastic member 340 for about 60 seconds.

  Subsequently, the second portion PM2 of the panel member PM is attached to the flat surface portion W2 of the cover window W by using the pressing portion 133 of the pressing member 330 in the same manner as in FIGS.

  Next, a method for manufacturing another curved display device using the bonding apparatus 300 of FIG. 21 will be described.

  28 to 30 are views for illustrating a method of manufacturing another curved display device using the joining device of FIG.

  Referring to FIG. 28, a cover window W10 including a continuous first curved surface portion W11, a second curved surface portion W12, and a flat surface portion W13 is attached to the stage 110. The cover window W10 has been described with reference to FIG.

  Further, a support member 122 that supports the panel member PM10 so as to face the cover window W10 is disposed on the stage 110, and a pressure member 330 is disposed on the support member 122. At this time, the adhesive film AF10 is disposed on the surface of the panel member PM10 facing the cover window W10. The panel member PM10 and the adhesive film AF10 have been described with reference to FIG.

  Subsequently, referring to FIGS. 29 and 30, the first portion PM11 of the panel member PM10 using the pressing force of the first elastic member 340 protruding by the first air injected from the air injection portion 332 of the pressurizing member 330. Is attached to the first curved surface portion W11 of the cover window W10.

  Specifically, as shown in FIG. 29, the pressing portion 133 is used so that the portion of the panel member PM10 adjacent to the first portion PM11 is in close contact with the portion of the cover window W10 adjacent to the first curved surface portion W11. Then, a pressing force is applied to the support member 122, and the rotation of the pressure member 330 is adjusted so that the first elastic member 340 faces the first curved surface portion W11 of the cover window W10 with the support member 122 interposed therebetween. The pressing force by the pressing unit 133 can be, for example, 0.15 MPa.

  Thereafter, as shown in FIG. 30, when the first elastic member 340 is protruded toward the support member 122 by injecting the first air through the first air injection hole 332b, the pressing force by the first elastic member 340 is reduced. In addition to the support member 122, the first portion PM11 of the panel member PM10 adheres to the first curved surface portion W11 of the cover window W10 via the adhesive film AF10. The first air pressure of the first air injected through the first air injection hole 332b may be 0.5 Mpa to 1 Mpa and is applied to the first elastic member 340 for about 60 seconds.

  Subsequently, the second portion PM12 and the third portion PM13 of the remaining portion of the panel member PM10 are replaced with the second curved surface portion W12 of the cover window W10 by using the pressing portion 133 of the pressing member 330 in the same manner as in FIGS. And it is made to adhere to the plane part W13.

  On the other hand, the pressing force of the first elastic member 340 protruding by the first air injected from the air injection portion 332 of the pressurizing member 330 attaches the first portion PM11 of the panel member PM10 to the first curved surface portion W11 of the cover window W10. Although the case where it utilizes for doing was demonstrated, it can utilize also for adhering the 2nd part PM12 of the panel member PM10 to the 2nd curved surface part W12 of the cover window W10.

  Next, a bonding apparatus 400 according to another embodiment of the present invention will be described.

  FIG. 31 is a configuration diagram of a bonding apparatus according to still another embodiment of the present invention. 32 is a perspective view of the pressure member, the first elastic member, and the second elastic member of FIG. 33 is a cross-sectional view taken along the line IV-IV 'of FIG.

  Referring to FIGS. 31 to 33, a bonding apparatus 400 according to another embodiment of the present invention is different from the bonding apparatus 300 of FIG. 21 only in the stage 210, the pressure member 430, and the second elastic member 440. It has a configuration. Therefore, a joining apparatus 400 according to another embodiment of the invention will be described with a focus on the stage 210, the pressure member 430, and the second elastic member 440.

  A joining apparatus 400 according to another embodiment of the present invention includes a stage 210, a support member 122, a pressure member 430, a first elastic member 340, a second elastic member 440, a movement driving unit 160, a pressing driving unit 170, and an air supply. The unit 180 and the control unit 190 may be included. Such a joining apparatus 400 is used for joining the panel member PM20 and the cover window W20.

  Since the stage 210 has been described with reference to FIG. On the other hand, the cover window W20 that is stably attached to the stage 210, the panel member PM20 that is supported by the support member 122 disposed on the top of the stage 210, and the adhesive film AF20 that adheres to the panel member PM20 are also shown in FIG. Since it demonstrated with the joining apparatus 200, the overlapping description is abbreviate | omitted.

  The pressure member 430 includes a main body part 131, an air injection part 432, a pressing part 133, a first air supply groove 134, and a second air supply groove 434, and is similar to the pressure member 330 shown in FIGS. However, the air injection portion 432 of the pressure member 430 may include the second mounting groove 432a and the second air injection hole 432b.

The second mounting groove 432a may be formed on the other side surface OS2 of the air injection part 432. A second step surface SS2 may be formed on the inner surface of the second mounting groove 432a, and the second step surface SS2 provides a space in which the second elastic member 440 is stably attached to the air injection unit 432 of the pressure member 430. it can.
The second air injection hole 432b may be formed on the floor surface of the second mounting groove 432a. The second air injection hole 432b provides a passage for supplying the second air supplied through the second air supply groove 434 to the second mounting groove 432a.

  The air injection unit 432 may inject the first air into the first mounting groove 332a through the first air injection hole 332b so that the first elastic member 340 pushes a part of the support member 122, and the second air injection. By injecting the second air into the second mounting groove 432a through the hole 432b so that the second elastic member 440 presses another part of the support member 122, the pressure member 430 is not rotated, and the panel The first part PM21 and the third part PM23 of the member PM20 can be attached to the first curved surface part W21 and the second curved surface part W23 of the cover window W20. Thereby, the surface contact efficiency between the first curved surface portion W21 of the cover window W20 and the first portion PM21 of the panel member PM20, and the second curved surface portion W23 of the cover window W20 and the third portion PM23 of the panel member PM20. Between the first curved surface portion W21 of the cover window W20 and the first portion PM21 of the panel member PM20 and the second curved surface portion W23 of the cover window W20 and the third portion PM23 of the panel member PM20. Can be easily joined.

  The second elastic member 440 is similar to the first elastic member 340 of FIGS. However, the 2nd elastic member 440 is installed in the inner surface of the 2nd mounting groove 432a of the air injection part 432, specifically, 2nd level | step difference surface SS2.

  Meanwhile, the bonding apparatus 400 according to another exemplary embodiment of the present invention includes a first adhesive 352 that is applied to the second stepped surface SS2 and fixes the second elastic member 440 to the air injection unit 432, and the second elastic member 440. The second adhesive 354 is applied so as to overlap the second step surface SS2, the cover 356 is attached on the second adhesive 354 so as to overlap the second step surface SS2, the cover 356, and the second adhesive 354. And a fastening member 358 that is fastened to the air injection unit 432 through the second elastic member 440 and the first adhesive 352 and firmly fixes the second elastic member 440 to the air injection unit 432.

  In addition, the movement driving unit 160, the pressure driving unit 170, and the air supply unit 180 of the bonding apparatus 400 according to another embodiment of the present invention are the same as the movement driving unit 160, the pressure driving unit 170, and the air supply of the bonding apparatus 300 of FIG. Similar to section 180. However, the second air pressure has a second air pressure that causes the air supply unit 180 and the control unit 190 of the bonding apparatus 400 according to another embodiment of the present invention to project the second elastic member 440 toward the outside of the air injection unit 432. May be configured to supply.

  That is, the air supply unit 180 of the bonding apparatus 400 can be connected to the main body 131 and supply the second air to the second air supply groove 434 so that the second elastic member 440 protrudes outside the air injection unit 432. Then, it is injected into the second mounting groove 432a through the second air injection hole 432b.

  When attaching the third part PM23 of the panel member PM20 to the second curved surface part W23 of the cover window W20, the control unit 190 of the joining apparatus 400 controls the pressing drive unit 170 so that the pressing part 133 is the second part of the cover window W20. The support member 122 is pushed against the boundary portion between the curved surface portion W23 and the flat surface portion W22, and the second elastic member 440 places the support member 122 in between by controlling the movement driving portion 160, and the second curved surface portion of the cover window W20. The pressure member 430 is rotated so as to face W23, the air supply unit 180 is controlled to inject the second air into the second mounting groove 432a, and the second elastic member 440 presses a part of the support member 122, and the panel The third portion PM23 of the member PM20 is attached to the second curved surface portion W23 of the cover window W20.

  As described above, the joining apparatus 400 according to another embodiment of the present invention includes a pressure member 430 including an air injection part 432 having a first air injection hole 332b and a second air injection hole 432b, and a first elastic member 340. And the second elastic member 440, the surface contact efficiency between the first curved surface portion W21 of the cover window W20 and the first portion PM21 of the panel member PM20, and the second curved surface portion W23 of the cover window W20. Between the first curved surface portion W21 of the cover window W20 and the first portion PM21 of the panel member PM20 and the second of the cover window W20. The curved surface portion W23 and the third portion PM23 of the panel member PM20 can be easily joined.

  Therefore, in the joining apparatus 400 according to another embodiment of the present invention, foaming occurs between the cover window W20 including the first curved surface portion W21, the flat surface portion W22, and the second curved surface portion W23 and the panel member PM20. And a curved display device with improved display quality can be realized.

  Next, another method of manufacturing a curved display device using the joining device 400 of FIG. 31 will be described.

  FIG. 34 and FIG. 35 are diagrams for illustrating a method of manufacturing another curved display device using the joining device of FIG.

  A method of attaching the first part PM21 and the second part PM22 of the panel member PM20 to the first curved surface part W21 and the flat part W22 of the cover window W20 using the pressure member 430 is applied as shown in FIGS. The first portion PM1 of the panel member PM is attached to the first curved surface portion W1 of the cover window W using the pressure member 330, and the second portion PM2 is formed using the pressure member 130 as shown in FIGS. This is similar to the method of attaching to the flat surface portion W2 of the cover window W.

  Subsequently, referring to FIGS. 34 and 35, the second elastic member 440 protruding by the second air pressure of the second air injected to the air injection portion 432 of the pressurizing member 430 is used to make the first of the panel member PM20. The three portions PM23 are attached to the second curved surface portion W23 of the cover window W20.

  Specifically, as shown in FIG. 34, a portion of the flat portion W22 of the cover window W20 adjacent to the second curved surface portion W23 is adjacent to the third portion PM23 of the second portion PM22 of the panel member PM20. A pressing force is applied to the support member 122 using the pressing portion 133 so that the second elastic member 440 faces the second curved surface portion W23 of the cover window W20 with the support member 122 interposed therebetween. The rotation of the member 430 is adjusted. The pressing force by the pressing unit 133 can be, for example, 0.15 MPa.

  Then, as shown in FIG. 35, when the second air is ejected through the second air ejection hole 432b to cause the second elastic member 440 to protrude toward the support member 122, the pressing force by the second elastic member 440 is reduced. In addition to the support member 122, the third portion PM23 of the panel member PM20 adheres to the second curved surface portion W23 of the cover window W20 via the adhesive film AF20. The second air pressure of the second air injected through the second air injection hole 432b may be 0.5 Mpa to 1 Mpa and is applied to the second elastic member 440 for about 60 seconds.

  Next, a method for manufacturing another curved display device using the bonding apparatus 400 of FIG. 31 will be described.

  FIG. 36 is a diagram for illustrating a method of manufacturing another curved display device using the joining device of FIG. 31.

  First, the cover window W30 including the continuous first curved surface portion W31, the second curved surface portion W32, the flat surface portion W33, the third curved surface portion W34, and the fourth curved surface portion W35 is attached to the stage 210. The cover window W30 has been described with reference to FIG.

  Further, the support member 122 that supports the panel member PM30 so as to face the cover window W30 is disposed on the upper portion of the stage 210, and the pressure member 430 is disposed on the upper portion of the support member 122. At this time, the adhesive film AF30 is disposed on the surface of the panel member PM30 facing the cover window W30. The panel member PM30 and the adhesive film AF30 have also been described with reference to FIG.

  Subsequently, although not shown in the drawing, due to the first air pressure of the first air injected through the first air injection hole 332b of the air injection portion 432 of the pressure member 430 in the same manner as in FIGS. The first portion PM31 of the panel member PM30 is attached to the first curved surface portion W31 of the cover window W30 using the protruding first elastic member 340.

  Subsequently, although not shown in the drawings, the second portion PM32, the third portion PM33, and the fourth portion PM34 of the panel member PM30 are made using the pressing portion 133 of the pressure member 430 in the same manner as in FIGS. The cover window W30 is attached to the second curved surface portion W32, the flat surface portion W33, and the third curved surface portion W34.

  Subsequently, although not shown in the drawings, the projection is caused by the second air pressure of the second air injected into the second air injection hole 432b of the air injection portion 432 of the pressure member 430 in the same manner as in FIGS. Using the second elastic member 440, the fifth portion PM35 of the panel member PM30 is attached to the fourth curved surface portion W35 of the cover window W30.

  On the other hand, the first air pressure and the second air pressure of the first air and the second air injected from the air injection portion 432 of the pressurizing member 430 cover the first part PM31 and the fifth part PM35 of the panel member PM30. Although the case where it uses for adhering to the 1st curved surface part W31 and 4th curved surface part W35 of this was demonstrated, the 2nd curved surface part W32 of the 2nd curved surface part W32 of the cover window W33 and the 4th part PM34 of the panel member PM30 is used. It can also be used for adhering to the three curved surface portion W34.

  As described above, the embodiments of the present invention have been described with reference to the accompanying drawings. However, a person having ordinary knowledge in the technical field to which the present invention pertains does not change the technical idea and essential features of the present invention. It will be understood that other specific forms may be implemented. Therefore, it should be understood that the above embodiment is illustrative in all aspects and not restrictive.

100, 200, 300, 400 Joining device 110, 210 Stage 122 Support member 130, 230, 330, 430 Pressure member 131 Main body portion 132, 232, 332, 432 Air injection portion 133 Pressing portion 340 First elastic member 440 Second Elastic member 160 Movement drive unit 170 Press drive unit 180 Air supply unit 190 Control unit

Claims (10)

A stage for supporting a cover window including a first curved surface portion and a flat surface portion that are continuous with each other;
A support member disposed on the stage and supporting a panel member including a part and another part so as to face the cover window;
A pressure member disposed on top of the support member,
The pressure member is
An air injection unit configured to adhere the part of the panel member to the first curved surface part of the cover window by injecting the first air and pushing the support member;
A press connected to one side of the air injection part and configured to attach the other part of the panel member to the flat part of the cover window by pressing the support member in contact with the support member And a joining device including the unit. The pressure member further includes a main body portion,
The air injection part is extended from one side of the main body part in such a manner that the width becomes narrower, and includes one side and the other side.
2. The joining device according to claim 1, wherein the air injection part includes a first air injection hole formed on the one side surface and providing a passage through which the first air is injected toward the support member.   The pressurizing member further includes a first air supply groove formed in the main body and extended into the air injection unit so as to be connected to the first air injection hole. Welding equipment.   3. The first elastic member according to claim 2, further comprising a first elastic member installed in the air injection portion so as to overlap the first air injection hole and configured to protrude toward the support member by the injection of the first air. Welding equipment.   The joining apparatus according to claim 2, wherein the cover window further includes a second curved surface portion that is positioned between the first curved surface portion and the flat surface portion and overlaps the first curved surface portion.   The joining apparatus according to claim 1, wherein the panel member is a flexible touch panel or a display panel. Attaching a cover window including a first curved surface portion and a flat surface portion continuous to each other to the stage;
A support member that supports a panel member including a part and another part so as to face the cover window is disposed at an upper part of the stage, and an air injection part and a pressing part connected to one side of the air injection part are provided. Disposing a pressure member including the upper portion of the support member;
Pressing the support member with the pressure of the first air jetted from the air jetting unit, and attaching the part of the panel member to the first curved surface part of the cover window;
A method of manufacturing a curved display device, comprising: pressing the support member with a pressing force of the pressing portion that contacts the support member, and attaching the other portion of the panel member to the flat portion of the cover window. Attaching the part of the panel member to the first curved surface portion of the cover window;
A process of applying a pressing force to the support member using the pressing portion so that the other portion of the panel member is in close contact with a portion adjacent to the first curved surface portion of the planar portion of the cover window;
Adjusting the rotation of the pressure member such that a first air injection hole formed on one side of the air injection portion faces the first curved surface portion of the cover window with the support member interposed therebetween; ,
The method of manufacturing a curved display device according to claim 7, further comprising: injecting the first air toward the support member through the first air injection hole.   The pressurizing member is further provided with a first elastic member that is installed in the air injection portion so as to overlap the first air injection hole and that protrudes toward the support member by the injection of the first air. The manufacturing method of the curved-surface display device of Claim 8 containing.   8. The method of manufacturing a curved display device according to claim 7, wherein the panel member is a flexible touch panel or a curved display device of a display panel.

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