KR102522358B1 - Manufacturing method of display device and apparatus for manufacturing display device - Google Patents

Abstract

A method for manufacturing a display device and a manufacturing device for a display device are provided. A manufacturing method of a display device according to an embodiment of the present invention includes a preparation step of preparing an object to be processed in which a first film member and a second film member including a bending area are stacked, and a portion of the first film member as the first film member. and a bending step of bending the film member so as to at least partially surround the outside of the bending region of the film member.

Description

Manufacturing method of display device and manufacturing device of display device

The present invention relates to a method for manufacturing a display device and an apparatus for manufacturing a display device.

The importance of display devices is increasing along with the development of multimedia. In response to this, various types of display devices such as a liquid crystal display (LCD) and an organic light emitting display (OLED) are being used.

Recently, electronic devices based on mobility have been widely used. As a mobile electronic device, a tablet PC has recently been widely used in addition to a small electronic device such as a mobile phone.

Such a mobile electronic device includes a display device to provide visual information such as an image or video to a user in order to support various functions. Recently, as other components for driving the display device have been miniaturized, the proportion of the display device in electronic devices has gradually increased, and a structure that can be bent to have a predetermined angle in a flat state has been developed.

An object to be solved by the present invention is to provide a manufacturing method of a display device capable of preventing internal components from being damaged.

Another problem to be solved by the present invention is to minimize damage applied to parts by stably performing bending for some components.

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

A manufacturing method of a display device according to an exemplary embodiment of the present invention includes a preparation step of preparing an object to be processed in which a first film member and a second film member including a bending area are stacked, and at least a portion of one surface of the first film member. and bending the first film member to at least partially surround an outside of the bending region of the second film member.

An apparatus for manufacturing a display device according to an exemplary embodiment of the present invention contacts a stage on which an object to be processed, on which a first film member and a second film member having a bending area are stacked, are seated and at least one surface of the first film member, thereby performing the above process. and a bending head that bends the first film member so that at least a portion of one surface of the first film member at least partially surrounds an outside of the bending region of the second film member.

According to embodiments of the present invention, at least the following effects are provided.

In the process of bending one component, it is possible to prevent damage to another component.

It is possible to improve durability of a part including a bending area.

Effects according to the embodiments of the present invention are not limited by the contents exemplified above, and more diverse effects are included in the present specification.

1 is a cross-sectional view of an apparatus for manufacturing a display device according to an exemplary embodiment.
2 is a conceptual diagram for explaining some configurations of an apparatus for manufacturing a display device according to an embodiment of the present invention.
3 to 6 are diagrams for explaining the operation of the display device manufacturing apparatus according to an exemplary embodiment of the present invention.
6A is a cross-sectional view of an apparatus for manufacturing a display device according to another exemplary embodiment of the present invention.
7 is a cross-sectional view of an apparatus for manufacturing a display device according to another exemplary embodiment of the present invention.
8 is a cross-sectional view of an apparatus for manufacturing a display device according to another exemplary embodiment of the present invention.
9 is a cross-sectional view of an apparatus for manufacturing a display device according to another exemplary embodiment of the present invention.
10 and 11 are diagrams for explaining an operation of an apparatus for manufacturing a display device according to another exemplary embodiment of the present invention.
12 to 14 are cross-sectional views of an apparatus for manufacturing a display device according to another exemplary embodiment of the present invention.
15 and 16 are cross-sectional views of an apparatus for manufacturing a display device according to another exemplary embodiment of the present invention.
17 to 19 are cross-sectional views of an apparatus for manufacturing a display device according to another exemplary embodiment of the present invention.
20 is a cross-sectional view of an apparatus for manufacturing a display device according to another exemplary embodiment of the present invention.
21 is a conceptual diagram illustrating some configurations of an apparatus for manufacturing a display device according to another exemplary embodiment of the present invention.
22 is a partial plan view of an apparatus for manufacturing a display device according to another exemplary embodiment of the present invention.
23 is a partial plan view of an apparatus for manufacturing a display device according to another exemplary embodiment of the present invention.
24 is a partial plan view of an apparatus for manufacturing a display device according to another exemplary embodiment of the present invention.
25 and 26 are cross-sectional views illustrating operations of the display device manufacturing apparatus according to another exemplary embodiment of the present invention.
27 is a block diagram illustrating a method of manufacturing a display device according to an exemplary embodiment.
28 is a cross-sectional view for explaining a method of manufacturing a display device according to another exemplary embodiment of the present invention.
29 is a cross-sectional view for explaining a method of manufacturing a display device according to another exemplary embodiment of the present invention.
30 to 32 are cross-sectional views illustrating a method of manufacturing a display device according to another exemplary embodiment of the present invention.

Advantages and features of the present invention, and methods of achieving them, will become clear with reference to the detailed description of the following embodiments taken in conjunction with the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below and can be implemented in various different forms, only the present embodiments make the disclosure of the present invention complete, and common knowledge in the art to which the present invention belongs. It is provided to completely inform the person who has the scope of the invention, and the present invention is only defined by the scope of the claims.

Although first, second, etc. are used to describe various components, these components are not limited by these terms, and are used only to distinguish one component from other components. Accordingly, it goes without saying that the first component mentioned below may be the second component within the technical spirit of the present invention.

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

1 is a cross-sectional view of an apparatus for manufacturing a display device according to an exemplary embodiment. 2 is a conceptual diagram for explaining some configurations of an apparatus for manufacturing a display device according to an embodiment of the present invention. 3 to 6 are diagrams for explaining the operation of the display device manufacturing apparatus according to an exemplary embodiment of the present invention.

1 to 6 , in the display device manufacturing apparatus according to an exemplary embodiment, a first film member FI1 and a second film member FI2 having a bending area BA2 on one side are stacked. In contact with at least one surface of the stage ST and the first film member FI1 on which the object to be treated is placed, one side of the first film member FI1 extends at least the outside of the bending area BA2 of the second film member FI2. It includes a bending head (BH) that bends to partially surround it.

First, the subject T to be processed according to an embodiment of the present invention will be described. The target object T may include a window WI, a first adhesive layer AD1, a first film member FI1, a second adhesive layer AD2, and a second film member FI2.

The window WI may be formed of a transparent material that transmits light. The window may be formed of, for example, any one or more of glass and transparent plastic.

1 illustrates a case where the window WI is made of a single layer, the structure of the window WI is not limited thereto. That is, in another embodiment, the window WI may have a stacked structure in which a plurality of functional layers are stacked. In addition, the plurality of functional layers may include an adhesive layer or an adhesive layer.

In one embodiment, the window WI may have a flexible property. In other words, the window WI may be bent, folded, or rolled by being made of a bendable, foldable, or rollable material or structure.

A first adhesive layer AD1 may be disposed on the window WI. The first adhesive layer AD1 may cover the window WI at least partially or entirely. Although FIG. 1 illustrates that the first adhesive layer AD1 covers a portion of the window WI, this is exemplary and the application area of the first adhesive layer AD1 is not limited thereto.

The first adhesive layer AD1 may be positioned on the window WI to adhere the window WI to a first film member FI1 to be described later.

In one embodiment, the first adhesive layer AD1 may include a photocurable resin or a thermosetting resin having high transmittance and adhesive performance. For example, the first adhesive layer AD1 may be formed by applying a resin such as acrylic and then curing it by irradiating UV light. In another embodiment, the first adhesive layer AD1 may include optically clear adhesive (OCA).

A first film member FI1 may be disposed on the first adhesive layer AD1.

The first film member FI1 may have a thin plate shape. In one embodiment, the planar shape of the first film member FI1 may be a quadrangular shape. However, it is not limited thereto, and the planar shape of the first film member FI1 may at least partially include a curve or may include a specific pattern.

In one embodiment, the first film member FI1 may have a flexible property. That is, the first film member FI1 may be bent, folded, or rolled by being made of a bendable, foldable, or rollable material or structure.

In one embodiment, a plurality of electronic elements may be formed on the first film member FI1. In this specification, an electronic element may be understood as a concept including a conductive line or a conductive electrode formed on the first film member FI1. The electronic device may be patterned and formed on the first film member FI1 or formed over the entire surface. The plurality of electronic elements may be made of metal, but are not limited thereto, and may include a polymeric material having conductivity.

In one embodiment, the first film member FI1 may be a panel used in a display device or a flexible printed circuit board. For example, the first film member FI1 may include a touch screen panel (TSP). However, this is exemplary and the first film member FI1 is not limited thereto.

The first film member FI1 may be obtained by integrally forming one thin film, but is not limited thereto, and may be formed by connecting a plurality of thin films to each other. For example, the first film member FI1 may include a panel and a flexible printed circuit board electrically connected to the panel.

Although FIG. 1 shows that the first film member FI1 has a single layer, it is not limited thereto, and in another embodiment, the first film member FI1 may be a laminate in which a plurality of functional layers are stacked. Functions of the plurality of functional layers are not limited, and for example, a protective layer, an adhesive layer, and an impact absorbing layer may be included in the first film member FI1.

As shown in FIG. 1 , when the first film member FI1 is in a flat state, that is, before bending, one end of the first film member FI1 is outside the window WI and/or one end of the first adhesive layer AD1. can be placed. That is, some of the first film members FI1 may not overlap the first adhesive layer AD1. A portion of the first film member FI1 that does not overlap with the first adhesive layer AD1 may be bent. A detailed description of this will be described later.

A second adhesive layer AD2 may be disposed on the first film member FI1. That is, the first film member FI1 may be interposed between the second adhesive layer AD2 and the first adhesive layer AD1.

The second adhesive layer AD2 may be positioned on the first film member FI1 to adhere the first film member FI1 to a second film member FI2 described later.

In one embodiment, the second adhesive layer AD2 may include a photocurable resin or a thermosetting resin having high transmittance and adhesive performance. For example, the second adhesive layer AD2 may be formed by applying a resin such as acrylic and then curing it by irradiating ultraviolet (UV) light. In another embodiment, the second adhesive layer AD2 may include optically clear adhesive (OCA).

In one embodiment, the second adhesive layer AD2 may be made of the same material as the first adhesive layer AD1. However, it is not limited thereto, and in another embodiment, the first adhesive layer AD2 and the first adhesive layer AD1 may be made of different materials.

In one embodiment, the applied area of the second adhesive layer AD2 and the applied area of the first adhesive layer AD1 may be substantially the same. However, the present invention is not limited thereto, and in another embodiment, the applied area of the second adhesive layer AD2 and the applied area of the first adhesive layer AD2 may be different from each other. In other words, the end of the first adhesive layer AD1 and the end of the second adhesive layer AD2 may not be aligned with each other. This will be described in detail later with different drawings.

As shown in FIG. 1 , when the first film member FI1 is in a flat state, that is, before bending, one end of the first film member FI1 may be disposed outside the end of the second adhesive layer AD2 . That is, some of the first film members FI1 may not overlap the second adhesive layer AD2. A portion of the first film member FI1 that does not overlap with the second adhesive layer AD2 may be bent as described later.

A second film member FI2 may be disposed on the second adhesive layer AD2.

In one embodiment, the second film member FI2 may have a flexible property. That is, the second film member FI2 may be bent, folded, or rolled by being made of a bendable, foldable, or rollable material or structure. However, it is not limited thereto, and in another embodiment, the second film member FI2 may be made of a rigid material.

In one embodiment, a plurality of electronic elements may be formed on the second film member FI2, similarly to the first film member FI1. The electronic element may be patterned and formed partially or entirely on the second film member FI2. The plurality of electronic elements may be made of metal, but are not limited thereto, and may include a polymeric material having conductivity.

In one embodiment, the second film member FI2 may be a panel used in a display device or a flexible printed circuit board. For example, the second film member FI2 may be a display panel. However, this is exemplary and the second film member FI2 is not limited thereto.

The second film member FI2 may be obtained by integrally forming one thin film, but is not limited thereto, and may be formed by connecting a plurality of thin films to each other. For example, the second film member FI2 may be understood as a configuration including a panel and a flexible printed circuit board electrically connected to the panel.

Although FIG. 1 shows that the second film member FI2 has a single layer, it is not limited thereto, and in another embodiment, the second film member FI2 may be a laminate in which a plurality of functional layers are stacked. Functions of the plurality of functional layers are not limited, and for example, a protective layer, an adhesive layer, and an impact absorbing layer may be included in the second film member FI2.

The second film member FI2 may include a bending area BA2.

For convenience of description, some terms will be defined with reference to FIG. 2 .

FIG. 2 is a conceptual diagram briefly showing a first film member FI1 and a second film member FI2 of a display device manufacturing apparatus according to an exemplary embodiment.

First, a bending line will be defined. In this specification, a bending line may refer to a line where bending starts or ends. In other words, the bending line may mean a boundary between a portion having a curvature of 0 and a portion having a non-zero curvature.

In the present specification, the bending area may refer to a region in which portions having non-zero curvature are continuously connected. In other words, a bending area may be defined between two bending lines.

In one embodiment, the first film member FI1 may include a first surface FI1_1 and a second surface FI1_2 that face each other. In one embodiment, the second film member FI2 may include a first surface FI2_1 and a second surface FI2_2 that face each other. The positions of the first and second surfaces are as specified in FIG. 2 . That is, a surface close to the window WI in a state before bending may be the first surface, and an opposite surface may be the second surface.

Referring to FIG. 2 based on this, the second film member FI2 may include the second bending area BA2 . The second bending area BA2 may be an area defined between the first bending line BL2_1 of the second film member FI2 and the second bending line BL2_2 of the second film member FI2.

In one embodiment, the first bending line BL2_1 and the second bending line BL2_2 of the second film member FI2 may be aligned along the y-axis. However, it is not limited thereto, and in another embodiment, the first bending line BL2_1 and the second bending line BL2_2 may not be aligned with each other.

In one embodiment, the second film member FI2 may have a first flat surface FI2_F1 and a second flat surface FI2_F2. The first flat surface FI2_F1 and the second flat surface FI2_F2 may face each other. Also, the first flat surface FI2_F1 and the second flat surface FI2_F2 may be connected to each other through the second bending area BA2. That is, the second bending area BA2 may be disposed between the first flat surface FI2_F1 and the second flat surface FI2_F2.

As will be described later, the first film member FI1 may be bent later to include the first bending area BA1. The first bending area BA1 may be defined between the first bending line BL1_1 of the first film member FI1 and the second bending line BL1_2 of the first film member FI1.

In one embodiment, the first bending area BA1 may be bent along the outside of the second bending area BA2. That is, the first bending area BA1 may have a shape at least partially surrounding the outer circumference of the second bending area BA2 .

When the first film member FI1 is bent, the first film member FI1 may also have a first flat surface FI1_F1 and a second flat surface FI1_F2. The first flat surface FI1_F1 and the second flat surface FI1_F2 may face each other. Also, the first flat surface FI1_F1 and the second flat surface FI1_F2 may be connected to each other through the first bending area BA1. That is, the first bending area BA1 may be disposed between the first flat surface FI1_F1 and the second flat surface FI1_F2.

In an embodiment, the first bending line BL1_1 of the first film member FI1 and the second bending line BL1_2 of the first film member FI1 may be aligned in the y-axis direction. However, it is not limited thereto, and in other embodiments, both may not be aligned with each other.

Contents defined in the description of FIG. 2 may be understood in the same sense throughout the present specification.

Referring again to FIG. 1 , the description of the second film member FI2 will be continued. In one embodiment, the second bending area BA2 of the second film member FI2 may be formed by bending the flexible second film member FI2. However, it is not limited thereto, and in another embodiment, the second bending area BA2 may be formed by processing the second film member FI2 having a hard property.

A third adhesive layer AD3 may be disposed on the second film member FI2.

The third adhesive layer AD3 may be positioned on the second film member FI2 to adhere the first flat surface FI2_F1 and the second flat surface FI2_F2 of the second film member FI2.

In one embodiment, the third adhesive layer AD3 may include a photocurable resin or a thermosetting resin having high transmittance and adhesive performance. For example, the third adhesive layer AD3 may be formed by applying a resin such as acrylic and then curing it by irradiating ultraviolet (UV) light. In another embodiment, the third adhesive layer AD3 may include optically clear adhesive (OCA).

In another embodiment, the third adhesive layer AD3 may include a double-sided tape.

In addition, although FIG. 1 describes a case where the third adhesive layer AD3 has a single layer, this is illustrative and not limited thereto, and the third adhesive layer AD3 may be a laminate in which a plurality of functional layers are bonded. there is. For example, the third adhesive layer AD3 may include a filler for filling a gap between the first flat surface FI2_F1 and the second flat surface FI2_F2 of the second film member FI2.

The third adhesive layer AD3 may fill at least a part of the space formed by the first flat surface FI2_F1 and the second flat surface FI2_F2 of the second film member FI2 and the second bending area BA2. .

1 shows that the third adhesive layer AD3 fills a part of the space formed by the first flat surface FI2_F1, the second flat surface FI2_F2, and the second bending area BA2, but is not limited thereto. In another embodiment, the third adhesive layer AD3 may fill all of the space formed by the first flat surface FI2_F1, the second flat surface FI2_F2, and the second bending area BA2.

A fourth adhesive layer AD4 may be disposed on the second flat surface FI2_F2 of the second film member FI2.

The fourth adhesive layer AD4 is positioned on the second flat surface FI2_F2 of the second film member FI2 to adhere the second surface FI1_2 of the first film member FI1 to the second film member FI2. can make it

In one embodiment, the fourth adhesive layer AD4 may include a photocurable resin or a thermosetting resin having high transmittance and adhesive performance. For example, the fourth adhesive layer AD4 may be formed by applying a resin such as acrylic and then curing it by irradiating UV light. In another embodiment, the fourth adhesive layer AD4 may include optically clear adhesive (OCA).

In another embodiment, the fourth adhesive layer AD4 may include a double-sided tape.

The fourth adhesive layer AD4 may at least partially overlap the third adhesive layer AD3. However, it is not limited thereto, and in another embodiment, the fourth adhesive layer AD4 and the third adhesive layer AD3 may not overlap each other.

1 illustrates a case where the fourth adhesive layer AD4 is positioned on the second flat surface FI2_F2 of the second film member FI2, but is not limited thereto, and in another embodiment, the fourth adhesive layer AD4 ) may be disposed on the second surface FI1_2 of the first film member FI1.

Hereinafter, other configurations of an apparatus for manufacturing a display device according to an exemplary embodiment of the present invention will be described. An apparatus for manufacturing a display device according to an exemplary embodiment may include a stage ST, a transfer unit TR, a stage support unit SU, a sensor unit SE, a cylinder SY, and a rod RO.

The target object T may be placed on the stage ST. The stage ST provides a space in which the target object T is disposed and may fix the target object T.

A transfer unit TR for moving the stage ST may be disposed below the stage ST. The transfer unit TR may provide a mechanical structure so that the stage ST is movable. In one embodiment, the stage ST may slide in a horizontal direction. In this case, the transfer unit TR may include a linear guide for sliding the stage ST. In addition to this, in order to reduce the sliding friction of the stage ST, the transfer unit TR may include an air floating means. In this case, the stage ST may move even if a smaller force is applied.

Although the case where the stage ST moves horizontally has been described as an example, the movement of the stage ST is not limited thereto. That is, the stage ST moves horizontally along the x-axis, y-axis, and z-axis according to the need for alignment or process described later, or by using one axis selected from among the x-axis, y-axis, and z-axis as a rotation axis. can rotate.

The transfer unit TR may provide a transfer unit so that the stage ST may move as needed.

A stage support unit SU may be disposed under the transfer unit TR. The stage support unit SU may serve to support the stage ST during a process or during movement. That is, the support unit SU may provide a space necessary for the entire process.

In one embodiment, a sensor unit SE may be disposed on one side of the stage ST. The sensor unit SE may detect movement of the stage ST or measure a force applied to the stage ST. In one embodiment, the sensor unit SE may include a load cell. That is, as the stage ST moves, a certain amount of deformation is applied to the load cell, and based on this, the force applied to the stage ST can be measured.

A stage ST may be disposed on one side of the sensor unit SE, and a cylinder SY and a rod RO connected to the cylinder SY may be disposed on the other side of the sensor unit SE. The rod (RO) may be inserted into the cylinder (SY) when a force greater than a certain force is applied.

In one embodiment, when force is applied to the stage ST in the -x-axis direction of FIG. 1 , the sensor unit SE measures the force and may transfer the applied force to the rod RO as it is. The rod RO does not move within a certain force range, and thus the movement of the stage ST can be suppressed. That is, in a state in which the rod RO is not moving, the length of the rod RO may be d0 in FIG. 1 .

However, when a force exceeding a certain force range is applied, the rod RO is inserted into the cylinder SY. Accordingly, the stage ST moves gradually. That is, the rod RO and the cylinder SY induce the movement of the stage ST, and even if the stage ST moves, the force applied to the second film member FI2 can be minimized. A detailed description of this will be described later in FIGS. 3 and 4 .

An apparatus for manufacturing a display device according to an exemplary embodiment includes a bending head BH.

The bending head BH may bend the first film member FI1 by contacting at least one surface of the first film member FI1.

For example, the bending head BH may be adsorbed to the first surface FI1_1 of the first film member FI1 to fix the first film member FI1. The manner in which the bending head BH adsorbs the first film member FI1 is not limited. For example, the bending head BH may fix the first film member FI1 by applying at least one selected from a vacuum suction method, an adhesive method, and a physical fixing method.

The bending head BH may have a bar shape extending in the y-axis direction, but is not limited thereto, and may have a shape at least partially including a curved surface.

An apparatus for manufacturing a display device according to an exemplary embodiment may include at least one alignment measuring unit CA. In one embodiment, the alignment measuring unit CA may include a CCD camera.

In one embodiment, the alignment measurement unit CA may measure the alignment of the first film member FI1 and the second film member FI2. In one embodiment, at least one alignment mark (not shown) may be formed on the first film member FI1 and the second film member FI2, and the alignment measurement unit CA measures the alignment mark. You can check if it is aligned by taking a picture.

In another embodiment, the alignment measuring unit CA may check the alignment by checking the outer circumferential shapes of the first film member FI1 and the second film member FI2 and checking the arrangement of the input values and outer circumferential shapes. .

In one embodiment, the alignment measuring unit CA may be disposed on the third adhesive layer AD3 or the fourth adhesive layer AD4. That is, the alignment measuring unit CA checks whether the first film member FI1 is in place before bonding the second surface FI1_2 of the first film member FI1 and the second film member FI2. can be checked.

An apparatus for manufacturing a display device according to an exemplary embodiment of the present invention may include at least one laser measuring unit LA.

The laser measuring unit LA may measure the gap g between the first bending area BA1 and the second bending area BA2 of the first film member FI1.

In one embodiment, the laser measuring unit LA may be disposed to face the first bending area BA1 of the first film member FI1.

The laser measuring unit LA may measure the gap g between the first bending area BA1 and the second bending area BA2 by radiating a laser beam to the first bending area BA1. The laser emitted from the laser measuring unit LA may pass through the first bending area BA1 or at least one groove formed on the first film member FI1 (a groove is formed on the first film member FI1). The gap g between the first bending area BA1 and the second bending area BA2 may be measured by passing through a gap (which will be described in detail in another embodiment later).

Hereinafter, an operation of the apparatus for manufacturing a display device according to an exemplary embodiment of the present invention will be described with reference to FIGS. 3 to 6 .

Operation of the manufacturing apparatus according to an embodiment of the present invention may include the following steps.

First, a step of arranging the target object T on the stage ST may proceed. Subsequently, a step of bending the first film member FI1 may proceed. The step of bending the first film member FI1 is a step in which the bending head BH contacts the first surface FI1_1 of the first film member FI1, and the bending head BH bends the first film member FI1. Bending the first film member FI1 such that at least a portion of one surface of the first film member FI1 at least partially surrounds the second bending area BA2 of the second film member FI2 while fixing the film member FI1. can include (See the direction of the arrow in Fig. 3)

In one embodiment, the trajectory of the bending head BH may draw a part of an arc. In another embodiment, the trajectory of the bending head BH may draw a plurality of curves having different curvatures. In another embodiment, the trajectory of the bending head BH may draw a combination of one or more straight lines or one or more curved lines.

In a state where the bending head BH fixes the first film member FI1, at least a portion of one surface of the first film member FI1 at least partially surrounds the second bending area BA2 of the second film member FI2. In the step of bending the first film member FI1 so that the first film member FI1 and the second film member FI2 may be spaced apart from each other. That is, they may not contact each other.

When the first film member FI1 and the second film member FI2 do not contact each other, the force applied to the stage ST is '0' or is not sufficient to move the stage ST, so the stage ST ) can remain stationary without moving.

In a state in which bending is completed, the bending head BH may be positioned above the second flat surface FI2_F2 of the second film member FI2 while fixing the first film member FI1.

Subsequently, a step of measuring alignment in the alignment measuring unit CA may proceed. When the alignment check is completed by the alignment measuring unit CA, a step of pressing and bonding the first film member FI1 and the second film member FI2 may proceed. In this step, the bending head BH may press the first film member FI1 toward the second film member FI2 to bond the first film member FI1 and the second film member FI2. In one embodiment, a case in which the bending head BH presses the first film member FI1 is illustrated, but is not limited thereto, and in another embodiment, a separate pressing member presses the first film member FI1 to can also be bonded.

Referring to FIG. 4 , at least one surface of the first film member FI1 is fixed in a state in which the bending head BH fixes the first film member FI1 during operation of the display device manufacturing apparatus according to an exemplary embodiment of the present invention. In the step of bending the first film member FI1 so that a portion thereof at least partially surrounds the second bending area BA2 of the second film member FI2, the first film member FI1 is bent over the second film member FI2. Illustrate the case of contact with

In this case, the operation of the display device manufacturing apparatus may include measuring the force applied to the stage ST and/or moving the stage ST by pushing the rod RO toward the cylinder SY.

In one embodiment, the first film member FI1 may at least partially contact the second film member FI2 during bending (see ② in FIG. 4 ) or after bending is completed (see ① in FIG. 4 ). Although the contact points C1 and C2 are indicated by dots in FIG. 4, they are not limited thereto and may occupy a certain area.

When the first film member FI1 comes into contact with the second film member FI2, the first film member FI1 may push the second film member FI2 in the -x-axis direction. Accordingly, the stage ST may receive force in the -x-axis direction.

Referring to the graph of FIG. 5 , the force in the -x-axis direction received by the stage ST is the contact between the first film member FI1 and the second film member FI2 (the contact between the first film member FI1 and the second film member FI2). The point at which the distance of the film member FI2 is '0') is rapidly increased from a point in time.

In this case, force may be transmitted to the sensor unit SE disposed on one side of the stage ST. The sensor unit SE may measure force transmitted to the stage ST. Since the second bending area BA2 of the second film member FI2 has a mechanically weak structure, it is vulnerable to physical impact and may be damaged or damaged when subjected to a force exceeding a certain level. That is, when the first film member FI1 contacts the second film member FI2 and applies force, the second bending area BA2 of the second film member FI2 may be damaged. The sensor unit SE may indirectly measure the force applied from the first film member FI1 to the second film member FI2 by measuring the force applied to the stage ST. Based on this, the user can prevent the second film member FI2 from being damaged by stopping the process or rearranging some components when the sensor unit SE detects a force greater than a certain level.

Next, referring to FIG. 6 , the force in the -x-axis direction transmitted to the stage ST may be transmitted to the rod RO. As described above, the rod RO does not move within a certain force range, and prevents movement of the stage ST in the -x-axis direction. However, when a force exceeding a certain force range is applied, the rod RO is gradually inserted into the cylinder SY, thereby preventing the stage ST from rapidly moving.

That is, the length of the rod RO may be d1 in FIG. 6 , which may be shorter than d0 in FIG. 1 .

The cylinder SY and the rod RO form the stage ST when the first film member FI1 provides a force exceeding the durability of the second film member FI2 (which may be preset before the process). may serve to alleviate the force applied by the first film member FI1 by moving slowly. Accordingly, it is possible to prevent the second film member FI2 from being damaged by receiving a force exceeding durability.

Operation of the display device manufacturing apparatus according to an embodiment of the present invention includes measuring a gap g between the first film member FI1 and the second film member FI2 using the laser measuring unit LA. can do.

The step of measuring the gap g between the first film member FI1 and the second film member FI2 using the laser measuring unit LA is performed during the step of bending the first film member FI1, or It may be performed before or after the step of measuring the alignment in the phosphorus measuring unit CA.

The step of measuring the gap g between the first film member FI1 and the second film member FI2 using the laser measuring unit LA may be performed continuously or intermittently in the middle of the process.

Also, in another embodiment, measuring the gap g between the first film member FI1 and the second film member FI2 using the laser measuring unit LA may be performed in real time.

When the step of measuring the gap g between the first film member FI1 and the second film member FI2 by using the laser measuring unit LA is performed, the first film member FI1 and the second film member FI1 and the second film member FI1 are measured during the process. When a defect occurs due to contact with the member FI2, the process may be stopped, or a process may be performed by reorganizing some components, thereby reducing the rate of occurrence of defects in the product.

Next, an apparatus for manufacturing a display device according to another exemplary embodiment of the present invention will be described. The same reference numerals refer to the same components as those previously described in the following embodiments, and redundant descriptions will be omitted or simplified.

6A is a cross-sectional view of an apparatus for manufacturing a display device according to another exemplary embodiment of the present invention.

Referring to FIG. 6A , another embodiment of the present invention is different from the embodiment of FIG. 1 in that the second sensor unit SE1 is disposed on one side of the bending head BH. For convenience of description, the sensor unit SE of FIG. 1 will be referred to as a first sensor unit SE below.

In one embodiment, a second sensor unit SE1 may be disposed on one side of the bending head BH. The second sensor unit SE1 may measure the force applied to the stage ST. In one embodiment, the second sensor unit SE1 may include a load cell.

Specifically, while moving the bending head (BH) by pulling the second sensor unit (SE1) connected to the bending head (BH) in the -x-axis direction, as shown in FIG. 4, the first film member (FI1) and the second sensor unit (SE1) When the film member FI2 contacts, the first film member FI1 may push the second film member FI2 in the -x-axis direction. Accordingly, the stage ST may receive force in the -x-axis direction.

That is, the second sensor unit SE1 receives a pulling force in the positive x-axis direction as the first film member FI1 and the second film member FI2 come into contact, and the magnitude of this force is determined by the bending head ( BH) may be substantially the same as the magnitude of the force applied to the stage ST. That is, the second sensor unit SE1 may measure the force applied to the stage ST by the bending head BH based on the magnitude of the force.

When the second sensor unit SE1 is disposed on one side of the bending head BH, a cylinder SY and a rod RO connected to the cylinder SY may be disposed on one side of the stage ST. That is, unlike FIG. 1 , in the embodiment of FIG. 6A , the rod RO may directly contact the stage ST.

6A shows a case in which the first sensor unit SE disposed on one side of the stage ST is omitted, but is not limited thereto, and both may be commonly employed in other embodiments. That is, the present invention An apparatus for manufacturing a display device according to another embodiment may include both a first sensor unit SE and a second sensor unit SE1.

7 is a cross-sectional view of an apparatus for manufacturing a display device according to another exemplary embodiment of the present invention.

Referring to FIG. 7 , the display device manufacturing apparatus according to another exemplary embodiment is different from the exemplary embodiment of FIG. 1 in that the transfer unit TR includes a rotating unit.

Referring to FIG. 7 , in the apparatus for manufacturing the display device, the transfer unit TR1 may include a rotation unit. In this case, the stage ST may rotate at least partially around the y-axis as a rotational axis.

According to this, one end of the stage ST may move downward with respect to the imaginary horizontal line HL, and the other end may move upward with respect to the imaginary horizontal line HL. That is, the operation of the display device manufacturing apparatus according to an exemplary embodiment may include moving one end of the stage ST downward by rotating the stage ST.

When one end of the stage ST moves downward relative to the imaginary horizontal line HL, at least one surface of the first film member FI1 is fixed in a state where the bending head BH fixes the first film member FI1. In the step of bending the first film member FI1 so that a portion at least partially surrounds the second bending area BA2 of the second film member FI2, the first film member FI1 is lowered under the influence of gravity. Thus, the gap g between the first film member FI1 and the second film member FI2 may be maintained. That is, contact between the first film member FI1 and the second film member FI2 may be minimized or prevented.

8 is a cross-sectional view of an apparatus for manufacturing a display device according to another exemplary embodiment of the present invention. Referring to FIG. 8 , the display device manufacturing apparatus according to another exemplary embodiment of the present invention differs from the exemplary embodiment of FIG. 1 in that the bending head BH1 includes a first finger portion F1 and a second finger portion F2. That's different.

In one embodiment, the bending head BH1 may include a first finger portion F1 and a second finger portion F2 spaced apart from each other by a predetermined distance.

The first finger portion F1 contacts the second surface FI2_2 of the first film member FI1, and the second finger portion F2 contacts the first surface FI1_1 of the first film member FI1. Thus, the first film member FI1 may be fixed. In this way, when the first finger portion F1 and the second finger portion F2 contact and fix both sides of the first film member FI1, the first film member ( FI1) can be fixed.

However, in this case, it may be difficult to align or press the first film member FI1 due to the space occupied by the second finger portion F2. Accordingly, the display device manufacturing apparatus according to an embodiment of the present invention may further include a separate pressing member PR for fixing and compressing the first film member FI1.

In this case, the operation of the manufacturing apparatus of the display device is such that the first finger portion F1 and the second finger portion F2 of the bending head BH have at least a portion of one surface of the first film member FI1 as the second film member. After the step of bending the first film member FI1 so as to at least partially surround the second bending area BA2 of (FI2), the pressing member PR is brought into contact with the first film member FI1, and the bending head ( BH1) and attaching the first film member FI1 to the second film member FI2 by pressing the first film member FI1 with the pressing member PR.

Adhesion of the pressure member PR may be any one selected from vacuum adhesion and adhesive adhesion.

9 is a cross-sectional view of an apparatus for manufacturing a display device according to another exemplary embodiment of the present invention. Referring to FIG. 9 , the apparatus for manufacturing a display device according to another exemplary embodiment of the present invention may further include a bending guide BG for assisting bending of the bending head BH.

In a state in which the bending head BH fixes the first film member FI1, the bending guide BG has at least a portion of one surface of the first film member FI1 in the second bending area BA2 of the second film member FI2. ) Intervention in the middle of the step of bending the first film member FI1 to at least partially surround the first film member FI1 to support the first film member FI1 to maintain its shape, or to maintain the shape of the first film member FI1 and the second film member FI1. It may serve to maintain the gap (g) of (FI2).

10 and 11 are referred to to describe an operation of the display device manufacturing apparatus according to the exemplary embodiment of FIG. 9 . 10 and 11 are diagrams for explaining an operation of an apparatus for manufacturing a display device according to another exemplary embodiment of the present invention.

Referring to FIG. 10 , the operation of the apparatus for manufacturing a display device according to another embodiment of the present invention is performed at least on one surface of the first film member FI1 in a state where the bending head BH fixes the first film member FI1. The step of bending the first film member FI1 such that a portion of the second film member FI2 at least partially surrounds the second bending area BA2 of the second film member FI2 is an extension line EL of the first film member FI1 and a virtual line. Bending the first film member FI1 such that the angle formed by the horizontal line HL becomes a right angle (first bending step), formed by the extension line EL of the first film member FI1 and the virtual horizontal line HL. The step of bringing the bending guide BG into contact with the first film member FI1 in a state where the angle becomes a right angle, and the bending head BH in a state where the bending guide BG contacts the first film member FI1. 1 may include a step of bending the film member FI1 (second bending step).

First, a step (first bending step) of bending the first film member FI1 may be performed such that an angle formed by an extension line EL of the first film member FI1 and an imaginary horizontal line HL is a right angle. However, the angle formed by the extension line (EL) of one film member (FI1) and the virtual horizontal line (HL) is not limited thereto, and the extension line (EL) of one film member (FI1) and the virtual horizontal line (HL) depend on specific equipment. ) may have a value between 70 degrees and 80 degrees.

Subsequently, a step of bringing the bending guide BG into contact with the first film member FI1 may proceed in a state where the angle formed by the extension line EL of the first film member FI1 and the imaginary horizontal line HL becomes a right angle. there is. When the bending guide BG is attached to the first film member FI1, an aspect of a force (eg, tension, etc.) acting on the first film member FI1 may be changed according to bending. 1 It may affect the bending aspect of the film member FI1.

Subsequently, referring to FIG. 11 , the step of bending the first film member FI1 by the bending head BH while the bending guide BG is brought into contact with the first film member FI1 (second bending step) may proceed.

When bending proceeds with the bending guide BG attached, the position of the second bending line BL1_2 of the first film member FI1 may be changed. That is, compared to the case where the bending guide BG is not attached, the position of the second bending line BL1_2 may be shifted in the positive x-axis direction, and accordingly, the first film member FI1 and the second film member may be shifted. The gap (g) of (FI2) can be increased or kept stable.

12 and 13 are cross-sectional views of an apparatus for manufacturing a display device according to another exemplary embodiment of the present invention. Referring to FIG. 12 , a display device manufacturing apparatus according to another exemplary embodiment of the present invention is different from the exemplary embodiment of FIG. 1 in that it includes a front bending head BH_f and a rear bending head BH_b.

In this case, the display device manufacturing apparatus performs second bending of the second film member FI2 by at least a part of one surface of the first film member FI1 in a state where the bending head BH fixes the first film member FI1. The step of bending the first film member FI1 to at least partially surround the area BA2 is performed in a state in which the front bending head BH_f contacts and fixes the second surface FI1_2 of the first film member FI1. 1 Bending the first film member FI1 so that the angle formed by the extension line EL of the film member FI1 and the imaginary horizontal line HL is a right angle (first bending step), the first film member FI1 The front bending head BH_f is detached in a state where the angle formed by the extension line EL and the imaginary horizontal line HL becomes a right angle, and the rear bending head BH_b is attached to the first surface of the first film member FI1 ( FI1_1) and bending the first film member FI1 in a state in which the rear bending head BH_b contacts and fixes the first surface FI1_1 of the first film member FI1 (second bending) step) may be included.

First, in a state in which the front bending head BH_f contacts and is fixed to the second surface FI1_2 of the first film member FI1, the extension line EL of the first film member FI1 and the imaginary horizontal line HL are formed. A step of bending the first film member FI1 so that the angle becomes a right angle (first bending step) may be performed. However, the angle formed by the extension line (EL) of one film member (FI1) and the virtual horizontal line (HL) is not limited thereto, and the extension line (EL) of one film member (FI1) and the virtual horizontal line (HL) depend on specific equipment. ) may have a value between 70 degrees and 80 degrees.

Subsequently, referring to FIG. 13 , the front bending head BH_f is detached in a state where the angle formed by the extension line EL of the first film member FI1 and the imaginary horizontal line HL is at a right angle, and the rear bending head ( A step of bringing BH_b into contact with the first surface FI1_1 of the first film member FI1 may proceed. Detachment of the front bending head BH_f (see ① in FIG. 13 ) and contact of the rear bending head BH_b (see ② in FIG. 13 ) may be simultaneously or sequentially performed.

Subsequently, referring to FIG. 14 , the step of bending and bending the first film member FI1 in a state in which the rear bending head BH_b contacts and fixes the first surface FI1_1 of the first film member FI1 (second bending step) can proceed.

When part of the bending step is performed by pulling it from the front, bending can be performed smoothly by overcoming the design limitations of the equipment.

In addition, when the remaining part of the bending step is pushed from the rear side, a sufficient space can be secured in the aligning and pressing step of the first film member FI1, and a more accurate aligning and pressing process can be performed. .

15 and 16 are cross-sectional views of an apparatus for manufacturing a display device according to another exemplary embodiment of the present invention. Referring to FIG. 15 , in the apparatus for manufacturing a display device according to another embodiment of the present invention, a stage support unit SU is disposed at the top, and a transfer unit TR, a stage ST, and an object T to be processed are disposed below it. Can be arranged sequentially.

In this case, the alignment measurement unit CA1 may be disposed at the bottom to measure alignment upward.

As shown in FIG. 15 , when the target object T is suspended from the stage ST, a part of the first film member FI1 in an initial state to which no external force is applied may sag downward due to the influence of gravity. .

In this case, the step of bending the first film member FI1 is a step of contacting the bending head BH to the first film member FI1 in a downwardly drooping state (see ① in FIG. 15 ) and the bending head BH ) fixes the first film member FI1 so that at least a portion of one surface of the first film member FI1 at least partially surrounds the second bending area BA2 of the second film member FI2. A step of bending the member FI1 (see ② in FIG. 16) may be included.

In the embodiment of FIG. 16 , in a state where the bending head BH fixes the first film member FI1, at least a portion of one surface of the first film member FI1 is in the second bending area BA2 of the second film member FI2. ) is different from the embodiment of FIG. 1 in that the bending head BH pushes the first film member FI1 up from the bottom in the step of bending the first film member FI1 to at least partially surround the film member FI1.

16 is different from the embodiment of FIG. 1 in that the step of measuring alignment in the alignment measurement unit CA1 proceeds from the bottom to the top.

17 to 19 are cross-sectional views of an apparatus for manufacturing a display device according to another exemplary embodiment of the present invention. Referring to FIGS. 17 to 19 , the display device manufacturing apparatus according to another embodiment of the present invention is different from the embodiment of FIG. 15 in that it includes a front bending head BH2_f and a rear bending head BH2_b.

In this case, the display device manufacturing apparatus performs second bending of the second film member FI2 by at least a part of one surface of the first film member FI1 in a state where the bending head BH fixes the first film member FI1. The step of bending the first film member FI1 to at least partially surround the area BA2 is performed in a state in which the front bending head BH2_f contacts and fixes the second surface FI1_2 of the first film member FI1. 1 Bending the first film member FI1 so that the angle formed by the extension line EL of the film member FI1 and the imaginary horizontal line HL is a right angle (first bending step), the first film member FI1 The front bending head BH2_f is detached in a state where the angle formed by the extension line EL and the imaginary horizontal line HL becomes a right angle, and the rear bending head BH2_b is attached to the first surface of the first film member FI1 ( FI1_1) and bending the first film member FI1 in a state in which the rear bending head BH_b contacts and fixes the first surface FI1_1 of the first film member FI1 (second bending) step) may be included.

First, in a state in which the front bending head BH_f contacts and is fixed to the second surface FI1_2 of the first film member FI1, the extension line EL of the first film member FI1 and the imaginary horizontal line HL are formed. A step of bending the first film member FI1 so that the angle becomes a right angle (first bending step) may be performed. However, the angle formed by the extension line (EL) of one film member (FI1) and the virtual horizontal line (HL) is not limited thereto, and the extension line (EL) of one film member (FI1) and the virtual horizontal line (HL) depend on specific equipment. ) may have a value between 70 degrees and 80 degrees.

Subsequently, referring to FIG. 18, the front bending head BH_f is detached in a state where the angle formed by the extension line EL of the first film member FI1 and the imaginary horizontal line HL is at a right angle, and the rear bending head ( A step of bringing BH_b into contact with the first surface FI1_1 of the first film member FI1 may proceed. Detachment of the front bending head BH_f (see ① in FIG. 18 ) and contact of the rear bending head BH_b (see ② in FIG. 18 ) may be performed simultaneously or sequentially.

Subsequently, referring to FIG. 19, the step of bending and bending the first film member FI1 in a state in which the rear bending head BH_b contacts and fixes the first surface FI1_1 of the first film member FI1 (the second bending step) may proceed.

When part of the bending step is performed by pulling it from the front, bending can be performed smoothly by overcoming the design limitations of the equipment.

In addition, when the remaining part of the bending step is pushed from the rear side, a sufficient space can be secured in the aligning and pressing step of the first film member FI1, and a more accurate aligning and pressing process can be performed. .

20 is a cross-sectional view of an apparatus for manufacturing a display device according to another exemplary embodiment of the present invention. 21 is a conceptual diagram illustrating some configurations of an apparatus for manufacturing a display device according to another exemplary embodiment of the present invention. 22 is a partial plan view of an apparatus for manufacturing a display device according to another exemplary embodiment of the present invention. 23 is a partial plan view of an apparatus for manufacturing a display device according to another exemplary embodiment of the present invention.

20 to 23 , in a display device according to another embodiment of the present invention, a first film member FI1 includes a first panel PA1 and a first flexible printed circuit board FPC1, and a second It is different from the embodiment of FIG. 1 in that the film member FI2 includes the second panel PA2 and the second flexible printed circuit board FPC2.

Referring to FIG. 20 , a first panel PA1 and a first flexible printed circuit board FPC1 may be disposed on the first adhesive layer AD1. That is, the first adhesive layer AD1 may adhere the first panel PA1 and the first flexible printed circuit board FPC1 to the window WI.

In one embodiment, the first panel PA1 may be a touch screen panel (TSP). Also, the first flexible printed circuit board FPC1 may serve to generate a control signal or transfer the control signal to the first panel PA1.

The first panel PA1 and the first flexible printed circuit board FPC1 may be attached to each other at the first contact part BP1 disposed on one side of the first panel PA1. Although not shown in the drawing, the first contact portion BP1 and the first flexible printed circuit board FPC1 may be in contact with each other through an anisotropic conductive film (ACF). In this case, the first panel PA1 and the first flexible printed circuit board The first flexible printed circuit boards FPC1 may be electrically connected to each other.

In an embodiment, the first panel PA1 may have a rigid property, and the first flexible printed circuit board FPC1 may have a flexible property.

In another embodiment, both the first panel PA1 and the first flexible printed circuit board FPC1 may have a flexible property.

In one embodiment, the first panel PA1 and the first flexible printed circuit board FPC1 are independently formed and connected to each other, but in another embodiment, the first panel PA1 and the first flexible printed circuit board FPC1 are It may be integrally formed. In this case, both the first panel PA1 and the first flexible printed circuit board FPC1 may have a flexible property.

In one embodiment, the first bending area BA1 may be formed on the first flexible printed circuit board FPC1. That is, the first panel PA1 may be formed of a flat surface, and the first flexible printed circuit board FPC1 may include a first bending area BA1.

A second adhesive layer AD2 may be disposed on the first panel PA1. The second adhesive layer AD2 may be the same as that described in the display device manufacturing apparatus according to some exemplary embodiments of the present invention.

A second panel PA2 may be disposed on the second adhesive layer AD2. In one embodiment, the second panel PA2 may be a display panel.

A second flexible printed circuit board FPC2 may be disposed on one side of the second panel PA2 . The second flexible printed circuit board FPC2 may serve to generate a control signal or transmit the generated control signal to the second panel PA2.

A driving chip (not shown) generating a driving signal is directly mounted on the second panel PA2, mounted on the second flexible printed circuit board FPC2, or mounted on a separate printed circuit board (not shown). It can be.

The second panel PA2 may include a second bending area BA2 on one side. The second bending area BA2 of the second panel PA2 may be formed by bending the flexible second panel PA2 or by processing the hard second panel PA2. .

20 illustrates the case where the second panel PA2 includes the second bending area BA2, but is not limited thereto.

In another embodiment, the second panel PA2 may be formed of a flat surface, and the second flexible printed circuit board FPC2 may be bent to include a second bending area.

20 shows a case where the second panel PA2 and the second flexible printed circuit board FPC2 are independently formed and connected, but in another embodiment, the second panel PA2 and the second flexible printed circuit board (FPC2) may be integrally formed. In this case, both the second panel PA2 and the second flexible printed circuit board FPC2 may have a flexible property.

In one embodiment, the second panel PA2 may have a first flat surface PA2_F1 and a second flat surface PA2_F2. The first flat surface PA2_F1 and the second flat surface PA2_F2 of the second panel PA2 may face each other and be separated from each other by a predetermined distance.

A third adhesive layer AD3 may be interposed between the first flat surface PA2_F1 and the second flat surface PA2_F2 of the second panel PA2 . The third adhesive layer AD3 may be substantially the same as that described above in the display device manufacturing apparatus according to some embodiments of the present invention.

That is, the second flexible printed circuit board FPC2 may be attached to each other at the second contact portion BP2 disposed on one side of the second flat surface PA2_F2 of the second panel PA2.

Although not shown in the drawings, the second contact portion BP2 and the second flexible printed circuit board FPC2 may be in contact with each other through an anisotropic conductive film (ACF). In this case, the second panel PA2 and The second flexible printed circuit board FPC2 may be electrically connected to each other.

A fourth adhesive layer AD4 may be formed on the upper portion of the second flat surface PA_F2 , that is, on a side opposite to the side on which the third adhesive layer AD3 is formed. The fourth adhesive layer AD4 may be substantially the same as that described above in the display device manufacturing apparatus according to some exemplary embodiments.

A first flexible printed circuit board FPC1 may be disposed on the fourth adhesive layer AD4. The first flexible printed circuit board FPC1 may be bent and extended from the first panel PA1 to reach an upper portion of the fourth adhesive layer AD4.

Accordingly, a portion of the first flexible printed circuit board FPC1 may be adhered to the second flat surface PA2_F2 of the second panel PA2 by the fourth adhesive layer AD4.

Next, an operation of the apparatus for manufacturing a display device according to an exemplary embodiment of the present invention will be described.

First, a step of preparing the target object T having the above configuration and disposing the prepared target object T on the stage ST may proceed. Subsequently, a step of bending the first flexible printed circuit board FPC1 may be performed. The step of bending the first flexible printed circuit board (FPC1) is the step of contacting the first flexible printed circuit board (FPC1) by the bending head (BH) and the first flexible printed circuit board (FPC1) by the bending head (BH). Bending the first flexible printed circuit board (FPC1) such that at least a portion of one surface of the first flexible printed circuit board (FPC1) at least partially surrounds the second bending area (BA2) of the second panel (PA2) in a fixed state. steps may be included.

In one embodiment, the trajectory of the bending head BH may draw a part of an arc. In another embodiment, the trajectory of the bending head BH may draw a plurality of curves having different curvatures. In another embodiment, the trajectory of the bending head BH may draw a combination of one or more straight lines or one or more curved lines.

In a state where the bending head BH fixes the first flexible printed circuit board FPC1, at least a portion of one surface of the first flexible printed circuit board FPC1 bends the second bending area BA2 of the second panel PA2 at least. In the step of bending the first flexible printed circuit board FPC1 to partially surround it, the first flexible printed circuit board FPC1 and the second panel PA2 may be spaced apart from each other. That is, they may not contact each other.

In a state in which the bending is completed, the bending head BH may be positioned above the second flat surface PA2_F2 of the second panel PA2 while fixing the first flexible printed circuit board FPC1.

Subsequently, a step of measuring alignment in the alignment measuring unit CA may proceed. When the alignment check is completed by the alignment measuring unit CA, a step of attaching the first flexible printed circuit board FPC1 and the second panel PA2 may proceed. In this step, the bending head BH presses the first flexible printed circuit board FPC1 toward the second panel PA2 to bond the first flexible printed circuit board FPC1 and the second panel PA2. . In one embodiment, a case in which the bending head BH presses the first flexible printed circuit board FPC1 is illustrated, but is not limited thereto, and in another embodiment, a separate pressing member is applied to the first flexible printed circuit board FPC1. ) may be pressed and bonded.

21 illustrates a first panel PA1, a first flexible printed circuit board FPC1, a second panel PA2, and a second flexible printed circuit board FPC2 in the apparatus for manufacturing a display device according to an embodiment of the present invention. show

In an embodiment, the second panel PA2 may include a display area DA where an image is displayed and a non-display area NDA where various signal lines are arranged to display an image in the display area DA.

In one embodiment, the display area DA may be disposed on the first flat surface PA2_F1 of the second panel PA2. The non-display area NDA may be formed over the second bending area BA2 of the second panel PA2 and the second flat surface PA2_F2. That is, the second bending area BA2 may be the non-display area NDA. In other words, various signal lines or pad electrodes may be disposed on the second bending area BA2 so that the display area DA can display an image.

22 is a plan view of the first panel PA1 and the first flexible printed circuit board FPC1 of the apparatus for manufacturing a display device according to an embodiment of the present invention.

Referring to FIG. 22 , in one embodiment, the first flexible printed circuit board FPC1 may include a plurality of contact hands and a body BO. 23 illustrates a case in which the first flexible printed circuit board (FPC1) includes the first contact hand H1, the second contact hand H2, and the third contact hand H3, but the number of contact hands corresponds to this. It is not limited. That is, in another embodiment, the number of contact hands may be less than three or more than three.

In one embodiment, the first contact hand H1, the second contact hand H2, and the third contact hand H3 may extend in one direction and be spaced apart from each other.

When the first flexible printed circuit board FPC1 includes the first contact hand H1, the second contact hand H2, and the third contact hand H3, the first contact part BP1 is the first hand contact part ( H1_b), a second hand contact part H2_b, and a third hand contact part H3_b. That is, the first contact hand H1, the second contact hand H2, and the third contact hand H3 are applied to the first hand contact portion H1_b, the second hand contact portion H2_b, and the third hand contact portion H3_b. Corresponding to each other, the first contact hand H1, the second contact hand H2, and the third contact hand H3 include the first hand contact portion H1_b, the second hand contact portion H2_b, and the third hand contact portion H3_b. ) can be contacted, respectively.

In an embodiment, the first bending line BL1_1 and the second bending line BL1_2 of the first flexible printed circuit board FPC1 include a first contact hand H1, a second contact hand H2, and a third contact hand. (H3). In this case, at least one groove HO may be formed in the first flexible printed circuit board FPC1, and the groove HO is the second panel PA2 in a state in which the first flexible printed circuit board FPC1 is bent. ) of the second bending area BA2 may be at least partially exposed. As described above with reference to FIG. 1 , the laser measurement unit LA irradiates the second bending area BA2 of the second panel PA2 with a laser through the groove HO, and the second panel PA2 and the first soft print A gap g with respect to the circuit board FPC1 may be measured.

In an embodiment, the first contact hand H1 and the third contact hand H3 contact one surface of the first panel PA1, and the second contact hand H2 contacts the other surface of the first panel PA1. can do. That is, one contact hand may contact the opposite surface of the first panel PA1 with an adjacent contact hand.

One ends of the first contact hand H1, second contact hand H2, and third contact hand H3 may be connected to the first panel PA1, and the other end may be connected to the body part BO. In an embodiment, the first contact hand H1, the second contact hand H2, and the third contact hand H3 may be integrally formed with the body part BO.

In one embodiment, the bending head BH may contact the body part BO. That is, the body part BO may include a connection part CP contacting the bending head BH.

One end of the body part BO may be connected to the first contact hand H1, the second contact hand H2, and the third contact hand H3.

23 is a plan view of the second panel PA2 and the second flexible printed circuit board FPC2 of the apparatus for manufacturing a display device according to an embodiment of the present invention.

Referring to FIG. 23 , the second panel PA2 may include a display area DA and a non-display area NDA disposed outside the display area DA.

The second bending area BA2 may be formed on one side of the second panel PA2. In other words, the first bending line BL2_1 and the second bending line BL2_2 may be formed on one side of the second panel PA2 .

In one embodiment, a first alignment mark A1 and a second alignment mark A2 may be formed on the second panel PA2 . The second alignment mark A2 may be disposed on one side of the second panel PA2. In a state where one side of the second panel PA2 is bent, the alignment measuring unit CA confirms that the first alignment mark A1 and the second alignment mark A2 are aligned, thereby measuring the second panel PA2. It can be confirmed whether or not the bending of is performed accurately.

A second contact portion BP2 may be formed on one side of the second panel PA2. The second flexible printed circuit board FPC2 may be attached to each other by contacting the second contact portion BP2.

The second flexible printed circuit board FPC2 has a thin plate structure and may have various planar shapes. 23 illustrates a case where the second flexible printed circuit board FPC2 has a rectangular shape, but this is an example and the shape of the second flexible printed circuit board FPC2 is not limited thereto.

24 is a partial plan view of an apparatus for manufacturing a display device according to another exemplary embodiment of the present invention. 25 and 26 are cross-sectional views illustrating operations of the display device manufacturing apparatus according to another exemplary embodiment of the present invention.

Referring to FIG. 24 , an apparatus for manufacturing a display device according to another embodiment of the present invention is different from the embodiment of FIG. 22 in that it includes an auxiliary tape LI attached to the first flexible printed circuit board FPC1. .

In one embodiment, the auxiliary tape LI may be attached to the first flexible printed circuit board FPC1. The auxiliary tape LI1 may be attached to the body BO of the first flexible printed circuit board FPC1. When the auxiliary tape LI is attached to the first flexible printed circuit board FPC1, the bending head BH may contact the auxiliary tape LI. That is, a connection portion CP connected to the bending head BH may be formed on the auxiliary tape LI.

If the area of the first flexible printed circuit board (FPC1) is not large enough for the bending head H to contact, the contact of the bending head H is not stable, and defects may occur.

As described above, when the bending head H contacts the auxiliary tape LI, a sufficient contact area can be secured, so that the bending operation can be performed more stably.

An operation of the display device manufacturing apparatus according to another exemplary embodiment of the present invention will be described with reference to FIGS. 25 and 26 .

The operation of the display device manufacturing apparatus according to another embodiment of the present invention includes the steps of bending the first flexible printed circuit board (FPC1), attaching the auxiliary tape (LI) to the first flexible printed circuit board (FPC1), and bending the first flexible printed circuit board (FPC1). Contacting the auxiliary tape LI by the head BH, and in a state where the bending head BH fixes the auxiliary tape LI, at least a portion of one surface of the first flexible printed circuit board FPC1 is disposed on the second panel PA2. ), and removing the auxiliary tape LI.

Referring to FIG. 25 , the steps of attaching the auxiliary tape LI in the initial state in which no external force is applied to the first flexible printed circuit board FPC1 and the step of contacting the auxiliary tape LI with the bending head BH are can proceed

Referring to FIG. 26 , in a state in which the auxiliary tape LI is fixed by the bending head BH, at least a portion of one surface of the first flexible printed circuit board FPC1 is formed in the second bending area BA2 of the second panel PA2. A step of bending the first flexible printed circuit board FPC1 to at least partially surround ) may be performed.

Subsequently, a step of removing the auxiliary tape LI may be performed. In an embodiment, the step of removing the auxiliary tape LI may be performed before or after the step of measuring the alignment in the alignment measurer CA.

In addition, in another embodiment, the step of removing the auxiliary tape LI is to press the first flexible printed circuit board FPC1 with the pressing member PR2 so that the first flexible printed circuit board FPC1 and the second panel PA2 are formed. It may be performed after the step of coalescing.

In one embodiment, the auxiliary tape LI may be an auxiliary tape LI whose adhesive strength is weakened by UV irradiation or in a peeling direction.

Hereinafter, a method of manufacturing a display device according to an exemplary embodiment of the present invention will be described. The same reference numerals refer to the same components as those previously described in the following embodiments, and redundant descriptions will be omitted or simplified.

27 is a block diagram illustrating a method of manufacturing a display device according to an exemplary embodiment.

Referring to FIG. 27 , the manufacturing method of the display device according to an exemplary embodiment includes a preparation step ( S1 ), a bending step ( S2 ), and a pressing and bonding step ( S3 ).

The method of manufacturing a display device according to an embodiment of the present invention may be performed by the display device manufacturing apparatus according to some embodiments of the present invention described above. However, it is stated in advance that it can be performed by this, but is not limited thereto.

That is, the manufacturing method of the display device according to an exemplary embodiment of the present invention may include all of the operation steps of the display device manufacturing apparatus according to some exemplary embodiments described above.

The preparation step S1 may include preparing the object T to be processed and placing the prepared object T on the stage ST.

The object T to be processed may be substantially the same as that described above in the display device manufacturing apparatus according to some embodiments of the present invention. That is, the target object T may be substantially the same as that described with reference to FIGS. 1 and 20 .

Subsequently, a step of placing and fixing the target object T on the stage ST may proceed.

Subsequently, a bending step (S2) may proceed.

In one embodiment, the bending step (S2) is the step of contacting the first surface (FI1_1) of the first film member (FI1_1) of the first film member (FI1_1) by the bending head (BH) and the bending head (BH) to the first film member ( Bending the first film member FI1 so that at least a portion of one surface of the first film member FI1 at least partially surrounds the second bending area BA2 of the second film member FI2 in a state in which FI1) is fixed steps may be included. (See FIGS. 2 and 3)

In this case, the first film member FI1 may be spaced apart from the second film member FI2 (see FIG. 3) or at least partially contact it (see FIG. 4).

When the first film member FI1 and the second film member FI2 partially contact each other, the bending step S2 is a step of measuring the force applied to the stage ST and/or moving the rod RO to a cylinder ( A step of moving the stage ST by pushing to the SY side may be included.

In another embodiment, the bending step (S2) may include moving one end of the stage ST downward by rotating the stage ST. (See Fig. 7)

In another embodiment, the bending step (S2) is the first film member (FI1) in a state in which the first finger portion (F1) and the second finger portion (F2) of the bending head (BH) fixed the first film member (FI1) bending the first film member FI1 so that at least a portion of one surface of the second film member FI2 at least partially surrounds the second bending area BA2 of the second film member FI2; FI1) and detaching the bending head BH1. (See Fig. 8)

In another embodiment, the bending step (S2) is a step of bending the first film member (FI1) such that the angle formed by the extension line (EL) of the first film member (FI1) and the imaginary horizontal line (HL) is a right angle (first film member (FI1)). Bending step), bringing the bending guide BG into contact with the first film member FI1 in a state where the angle formed by the extension line EL of the first film member FI1 and the imaginary horizontal line HL becomes a right angle, and A step of bending the first film member FI1 by the bending head BH in a state in which the bending guide BG is in contact with the first film member FI1 (second bending step) may be included. (See FIGS. 10 and 11)

In another embodiment, in the bending step (S2), the front bending head (BH_f) contacts and fixes the second surface (FI1_2) of the first film member (FI1) to the extension line (EL) of the first film member (FI1). Bending the first film member FI1 so that the angle formed by the virtual horizontal line HL becomes a right angle (first bending step), the extension line EL of the first film member FI1 and the virtual horizontal line HL The front bending head BH_f is detached and the rear bending head BH_b contacts the first surface FI1_1 of the first film member FI1 while the angle formed by the front bending head BH_b is at a right angle, and the rear bending head BH_b is brought into contact with the first surface FI1_1 of the first film member FI1. ) may include a step (second bending step) of bending the first film member FI1 in a state where the first film member FI1 is in contact with and fixed to the first surface FI1_1 of the first film member FI1. (See FIGS. 12 to 14)

In another embodiment, the bending step (S2) is a step of contacting the bending head (BH) to the first film member (FI1) in a downwardly drooping state (see ① in FIG. 15) and the bending head (BH) is the first film member (FI1) In a state in which the member FI1 is fixed, the first film member FI1 is set so that at least a portion of one surface of the first film member FI1 at least partially surrounds the second bending area BA2 of the second film member FI2. A step of bending (see ② in FIG. 16) may be included. (See FIGS. 15 and 16)

In another embodiment, in the object T to be processed in the bending step S2, the first film member FI1 includes the first panel PA1 and the first flexible printed circuit board FPC1, and the second film member ( FI2) may include a second panel PA2 and a second flexible printed circuit board FPC2.

That is, in another embodiment, the bending step (S2) is a step in which the bending head (BH) contacts the first flexible printed circuit board (FPC1) and a state in which the bending head (BH) fixes the first flexible printed circuit board (FPC1). In the step of bending the first flexible printed circuit board (FPC1) such that at least a portion of one surface of the first flexible printed circuit board (FPC1) at least partially surrounds the second bending area (BA2) of the second panel (PA2). can include (See Fig. 20)

In another embodiment, the first flexible printed circuit board (FPC1) in the bending step (S2) includes a plurality of contact hands (H1 to H3) and a body part (BO), and the bending hand (BH) is the body part (BO) may be in contact with the connection portion CP. (See Fig. 22)

In another embodiment, the bending step (S2) includes attaching the auxiliary tape LI to the first flexible printed circuit board FPC1, contacting the bending head BH with the auxiliary tape LI, and the bending head BH ) in a state where the auxiliary tape LI is fixed, at least a portion of one surface of the first flexible printed circuit board FPC1 at least partially surrounds the second bending area BA2 of the second panel PA2. A step of bending the circuit board FPC1 and a step of removing the auxiliary tape LI may be included.

Following the bending step (S2), a pressing and bonding step (S3) may proceed. In the pressing and bonding step S3, the bending head BH presses the first film member FI1 toward the second film member FI2 to bond the first film member FI1 and the second film member FI2. steps may be included. In one embodiment, a case in which the bending head BH presses the first film member FI1 is illustrated, but is not limited thereto, and in another embodiment, a separate pressing member presses the first film member FI1 to can also be bonded.

Also, in another embodiment, the first film member FI1 and the second film member FI2 of the bonding step S3 may be replaced with the first flexible printed circuit board FPC1 and the second panel PA2.

The pressing and bonding step (S3) may be performed once, but may be performed twice or more in another embodiment. That is, in the first pressing and bonding step (S3), the temporary bonding is performed, and after the step of adjusting and checking the alignment of the first film member (FI1) and the second film member (FI2), the second pressing and bonding are performed again. steps may be performed.

A manufacturing method of a display device according to an exemplary embodiment of the present invention may include a plurality of aligning steps.

Specifically, the method of manufacturing a display device according to an exemplary embodiment of the present invention may include a first align step A1 , a second align step A2 , and a third align step A3 . However, this is an example and the number of alignment steps is not limited to three. Also, in other embodiments, some aligning steps may be omitted. Also, the aligning step may be performed by the align measuring unit CA of the display device according to some embodiments of the present invention, but is not limited thereto.

The first align step (A1) may be performed between the preparation step (S1) and the bending step (S2). The first aligning step (A1) may be a step of checking and adjusting the alignment of the target object T and the stage ST. That is, the first aligning step A1 may be a step of aligning the target object T and the stage ST.

The second aligning step (A2) may be performed between the bending step (S2) and the pressing and bonding step (S3). The second aligning step (A2) checks the alignment of the first film member (FI1) and the second film member (FI2) or the alignment of the first flexible printed circuit board (FPC1) and the second panel (PA2), It may be an adjustment step.

The third aligning step (S3) may be performed after the pressing and bonding (S3) step. The third aligning step ( S3 ) may be a step of confirming final alignment in a coalesced state. In an exemplary embodiment in which the pressing and bonding (S3) step includes a first pressing and bonding step and a second pressing and bonding step, the third aligning step (S3) includes the first pressing and bonding step and the second pressing and bonding step. It may be performed between the secondary pressing and cementing steps.

A manufacturing method of a display device according to an exemplary embodiment of the present invention may include at least one first inspection step I1.

The first inspection step I1 may be performed by the laser measuring unit LA. That is, in the first inspection step (I1), the first film member (FI1) and/or the second film member (FI2) is radiated with a laser to form a gap between the first film member (FI1) and the second film member (FI2). It may include measuring the gap (g) of

In one embodiment, the first inspection step (I1) may be performed between the bending step (S2) and the pressing and bonding step (S3). However, it is not limited thereto, and in another embodiment, the first inspection step (I1) may be intermittently or continuously performed during the bending step (S2). In addition, in an exemplary embodiment in which the pressing and compressing step (S3) includes the first pressing and compressing step and the second pressing and compressing step, the first inspection step (I1) includes the first pressing and compressing step and the second pressing and It may be performed between pressing steps.

28 is a cross-sectional view for explaining a manufacturing method of a display device according to another exemplary embodiment of the present invention.

Referring to FIG. 28 , in a method of manufacturing a display device according to another embodiment of the present invention, the preparing of a target object includes forming a first adhesive layer AD1 and a first film on the first adhesive layer AD1. Forming the member FI1, forming a second adhesive layer AD2 on the first film member FI1, and forming a second film member FI2 on the second adhesive layer AD2. However, an end of the first adhesive layer AD1 may be formed relatively outside the end of the second adhesive layer AD2 .

The position of the first bending line BL1_1 of the first film member FI1 is the position of the ends of the first adhesive layer AD1 and the second adhesive layer AD2 disposed above and/or below the first film member FI1. may vary depending on

For example, as shown in FIG. 28 , when the end a1 of the first adhesive layer AD1 is formed relatively outside the end a2 of the second adhesive layer AD2, the first adhesive layer AD1 and Compared to the case where the ends of the two adhesive layers AD2 are aligned with each other, the first bending line BL1_1 may be shifted in the positive x-axis direction. That is, in this case, the first bending line BL1_1 may be disposed outside the end a1 of the first adhesive layer AD1. This can be attributed to suppressing bending of the first film member FI1 by pulling the first film member FI1 downward at the end a1 of the first adhesive layer AD1.

When the first bending line BL1_1 is shifted in the positive x-axis direction, the gap g between the second bending area BA2 of the first film member FI1 and the second film member FI2 is stably maintained. can Accordingly, during bending, contact between the first film member FI1 and the second bending area BA2 of the second film member FI2 may be suppressed.

In this case, the end a3 of the third adhesive layer AD3 may be disposed between the end a1 of the first adhesive layer AD1 and the end a2 of the second adhesive layer AD2. When the end a3 of the third adhesive layer AD3 is disposed outside the end a1 of the first adhesive layer AD1, the first bending line BL2_1 of the second film member FI2 is positive on the x-axis. Since the end a3 of the third adhesive layer AD3 may be shifted in the direction, it may be advantageous to dispose the end a1 of the first adhesive layer AD1.

In terms of the bending line, when the adhesive layer has a structure as shown in FIG. 28 , the first bending line BL1_1 of the first film member FI1 is aligned with the end a1 of the first adhesive layer AD1, or Can be placed outside. The first bending line BL2_1 of the second film member FI2 may be aligned with or disposed outside the end a3 of the third adhesive layer AD3.

That is, the first bending line BL1_1 of the first film member FI1 and the second bending line BL1_2 of the first film member FI1 are aligned with each other or the first bending line of the first film member FI1. (BL1_1) may be relatively disposed outside the first bending line BL2_1 of the second film member FI2.

29 is a cross-sectional view for explaining a manufacturing method of a display device according to another exemplary embodiment of the present invention.

Referring to FIG. 29 , in a method of manufacturing a display device according to another embodiment of the present invention, the preparing of a target object includes forming a first adhesive layer AD1 and a first film on the first adhesive layer AD1. Forming the member FI1, forming a second adhesive layer AD2 on the first film member FI1, and forming a second film member FI2 on the second adhesive layer AD2. However, an end of the second adhesive layer AD2 may be formed relatively outside the end of the first adhesive layer AD1.

The position of the first bending line BL1_1 of the first film member FI1 is the position of the ends of the first adhesive layer AD1 and the second adhesive layer AD2 disposed above and/or below the first film member FI1. may vary depending on

For example, as shown in FIG. 29 , when the end a2 of the second adhesive layer AD2 is formed relatively outside the end a1 of the first adhesive layer AD1, the first adhesive layer AD1 and Compared to the case where the ends of the two adhesive layers AD2 are aligned with each other, the first bending line BL1_1 may be shifted in the positive x-axis direction. In this case, the first bending line BL1_1 may be aligned with or disposed outside the end a2 of the second adhesive layer AD2. This may be because the end a2 of the second adhesive layer AD2 presses the first film member FI1 from above, thereby suppressing bending of the first film member FI1.

When the first bending line BL1_1 is shifted in the positive x-axis direction, the gap g between the second bending area BA2 of the first film member FI1 and the second film member FI2 is stably maintained. can Accordingly, during bending, contact between the first film member FI1 and the second bending area BA2 of the second film member FI2 may be suppressed.

In this case, the end a3 of the third adhesive layer AD3 may be disposed between the end a1 of the first adhesive layer AD1 and the end a2 of the second adhesive layer AD2. When the end a3 of the third adhesive layer AD3 is disposed outside the end a2 of the second adhesive layer AD2, the first bending line BL2_1 of the second film member FI2 is positive on the x-axis. Since the end a3 of the third adhesive layer AD3 may be shifted in the direction, it may be advantageous to dispose the end a2 of the second adhesive layer AD2.

In terms of the bending line, when the adhesive layer has a structure as shown in FIG. 29 , the first bending line BL1_1 of the first film member FI1 is aligned with the end a2 of the second adhesive layer AD2, or Can be placed outside. The first bending line BL2_1 of the second film member FI2 may be aligned with or disposed outside the end a3 of the second adhesive layer AD2.

That is, the first bending line BL1_1 of the first film member FI1 and the first bending line BL2_1 of the second film member FI2 are aligned with each other or the first bending line of the first film member FI1. (BL1_1) may be relatively disposed outside the first bending line BL2_1 of the second film member FI2.

30 to 32 are cross-sectional views illustrating a method of manufacturing a display device according to another exemplary embodiment of the present invention. Referring to FIG. 30 , in the method of manufacturing a display device according to another embodiment of the present invention, in the preparation step S1 , a first support body is provided between the first film member FI1 and the second bending area BA2 of the second film member. (FG). The first supporter FG may be disposed to contact an end of the second adhesive layer AD2. In one embodiment, the first supporter FG may be a gel type. The gel type support FG may be disposed between the first film member FI1 and the second bending area BA2 of the second film member by using, for example, capillary action. However, this is an example, and the method of arranging the supporter FG is not limited thereto.

Subsequently, referring to FIG. 31 , a step of bending the first film member FI1 in a state where the support FG is interposed may proceed. The first bending line BL1_1 of the first film member FI1 is formed on the positive x-axis by the support FG interposed between the first film member FI1 and the second bending area BA2 of the second film member. The bending curve of the first film member FI1 that is shifted in the direction or adjacent to the support FG may be alleviated. Accordingly, the gap g between the second bending area BA2 of the first film member FI1 and the second film member FI2 can be stably maintained, and as a result, the first film member FI1 and the second film member FI2 can Contact of the film member FI2 can be suppressed.

Referring to FIG. 32 , after the bending step (S2) or the pressing and bonding step (S3), a step of disposing the second supporter SG between the first film member FI1 and the window WI may proceed. there is.

The second supporter SG may serve to fix the bent state of the first film member FI1 or to maintain the bent shape of the first film member FI1.

Accordingly, by suppressing the flow of the first film member FI1, it is possible to prevent the first film member FI1 from contacting the second film member FI2 to cause defects during or after the process.

Although the embodiments of the present invention have been described with reference to the accompanying drawings, those skilled in the art to which the present invention pertains can be implemented in other specific forms without changing the technical spirit or essential features of the present invention. you will be able to understand Therefore, it should be understood that the embodiments described above are illustrative in all respects and not limiting.

SU: stage support
TR: transport
ST: stage
WI: Windows
AD1: first adhesive layer
AD2: second adhesive layer
AD3: third adhesive layer
AD4: fourth adhesive layer
BH: bending head
CA: align measuring part
LA: laser measuring part
SY: Cylinder
RO: load
SE: sensor part
FI1: first film member
FI2: second film member
BA1: first bending area
BA2: second bending area
BG: Bending Guide
PA1: first panel
PA2: second panel
FPC1: first flexible printed circuit board
FPC2: second flexible printed circuit board

Claims (27)

preparing an object on which a first film member and a second film member including a bending area are stacked, and placing the object on a stage; and
a bending step of bending the first film member such that at least a portion of one surface of the first film member at least partially surrounds an outside of the bending region of the second film member; including,
Further comprising a cylinder disposed on one side of the stage and a rod disposed between the cylinder and the stage and extending to the stage,
In the bending step, when the first film member and the second film member contact each other, the rod is inserted into the cylinder to induce movement of the stage. delete According to claim 1,
and measuring a force applied to the stage when the first film member contacts the second film member. delete According to claim 1,
The bending step includes lowering one end of the stage by rotating the stage. According to claim 1,
The bending may include contacting one surface of the first film member with a bending head; and bending the first film member to at least partially surround an outside of the bending area of the second film member by bending the first film member while the bending head is fixed to the first film member. According to claim 1,
In the bending step, a bending head including a first finger and a second finger bends the first film member in a state in which the first film member is fixed to at least partially surround the outside of the bending region of the second film member. Bending so as to; and contacting the pressing member to the first film member and detaching the bending head. According to claim 1,
The bending step may include a first bending step of bending the first film member such that an angle formed by an extension line of the first film member and an imaginary horizontal line becomes a right angle;
bringing a bending guide into contact with the first film member; and a second bending step of bending the first film member by using a bending head while the bending guide is in contact with the first film member. According to claim 1,
The bending step may include first bending of bending the first film member such that an angle formed by an extension line of the first film member and an imaginary horizontal line becomes a right angle in a state in which a front bending head contacts and fixes one surface of the first film member. step;
detaching the front bending head and bringing the rear bending head into contact with the other surface of the first film member; and
and a second bending step of bending and bending the first film member in a state where the rear bending head fixes the first film member. According to claim 1,
The first film member includes a first panel and a first flexible printed circuit board connected to the first panel, and the second film member includes a second panel and a second flexible printed circuit board connected to the second panel. A method for manufacturing a display device. According to claim 10,
The second panel includes the bending area, and in the bending step, in a state in which a bending head fixes the first flexible printed circuit board, at least a portion of one surface of the first flexible printed circuit board is bent to the second panel. and bending the first flexible printed circuit board to at least partially enclose an outside of the area. According to claim 11,
The bending step may include attaching an auxiliary tape to the first flexible printed circuit board; Bending the first flexible printed circuit board so that at least a portion of one surface of the first flexible printed circuit board at least partially surrounds the outside of the bending area of the second panel while the bending head is in contact with the auxiliary tape. A method of manufacturing a display device comprising the step of: According to claim 10,
The first flexible printed circuit board includes a plurality of contact hands, and the contact hands and the first panel contact and are connected to each other. According to claim 13,
The object to be processed further includes a first adhesive layer and a second adhesive layer, and the first adhesive layer, the first film member, the second adhesive layer, and the second film member are sequentially laminated. According to claim 14,
An end of the first adhesive layer is disposed outside an end of the second adhesive layer. According to claim 14,
An end of the second adhesive layer is disposed outside an end of the first adhesive layer. According to claim 14,
The preparing step may further include disposing a first supporter between the bending regions of the first film member and the second film member. According to claim 17,
The method of manufacturing a display device further comprising disposing a second support to support the bending of the first film member after the bending step. According to claim 1,
A method of manufacturing a display device, wherein a plurality of electronic elements are disposed on the first film member. According to claim 1. The manufacturing method of the display device further comprising a first inspection step of measuring a distance between the first film member and the second film member after the bending step. According to claim 1,
and an aligning step of checking alignment of the first film member and the second film member. a stage on which an object to be processed on which the first film member and the second film member having a bending area are stacked are placed;
a bending head which contacts the first film member and bends the first film member such that at least a portion of one surface of the first film member at least partially surrounds an outside of the bending region of the second film member;
a rod disposed on one side of the stage and connected to the stage; and
a cylinder into which the rod is inserted; including,
wherein the rod is inserted into the cylinder to induce movement of the stage when the first film member and the second film member contact each other. The method of claim 22,
The apparatus for manufacturing a display device further comprising a sensor unit disposed on one side of the stage. delete The method of claim 22,
The manufacturing apparatus of the display device further comprises a laser measuring unit disposed adjacent to the bending area. The method of claim 22,
The apparatus for manufacturing a display device further comprising an alignment measurement unit disposed above the stage. The method of claim 22,
The apparatus for manufacturing a display device further comprising a sensor unit disposed on one side of the bending head.

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