KR20210033131A - Display lamination apparatus and display lamination method using thereof - Google Patents

Abstract

A display lamination device and a display lamination method using the same are disclosed. The display lamination device according to an embodiment of the present invention comprises: a mounting module, a first moving module, a second moving module, and an arranging module. The mounting module includes a first stage and a second stage, and a third stage. At least one of panels composed of a display panel, a touch panel, a polarizing film, and a window panel or at least one of adhesive layers provided between the panels is mounted in the first stage and the second stage, respectively. The third stage integrally attaches the first panel on the first stage and the second panel on the second stage. The first moving module moves the first panel between the first stage and the third stage. The second moving module moves the second panel between the second stage and the third stage. The arranging module arranges a position between the first panel and the second panel on the third stage. The present invention can reduce a display lamination time and improve productivity.

Description

Display lamination device and display lamination method using the same {DISPLAY LAMINATION APPARATUS AND DISPLAY LAMINATION METHOD USING THEREOF}

The present invention relates to a display lamination apparatus and a display lamination method using the same, and more particularly, to a display lamination apparatus for bonding a plurality of panels constituting a display apparatus to each other, and a display lamination method using the same.

Display devices include a liquid crystal display (LCD), an organic light emitting diode display (OLED display), and a plasma display panel (PDP) according to a light emission method.

The display device is a touch panel that recognizes the position of a display panel that transmits an image or touches the screen and transmits it to the system, and reflects external light by selectively passing linearly polarized light in a specific direction. A window panel, such as a polarizer film that blocks the visibility and improves visibility, and a cover glass to protect the laminated panels, are attached to the front. At this time, an adhesive layer is interposed between the display panel, the touch panel, the polarizing film, and the window panel to bond each panel.

When a plurality of panels are sequentially stacked and bonded, there is a problem that a cycle time required to produce one display panel is relatively long.

Korea Publication No. 10-2018-0056004 (Publication date: May 28, 2018)

One technical problem to be solved by the present invention is to provide a display lamination device in which productivity is increased by shortening the display lamination process time and a display lamination method using the same.

In order to solve the above technical problem, the present invention provides a display lamination device.

In the display lamination device according to an embodiment of the present invention, at least one of a plurality of panels consisting of a display panel, a touch panel, a polarizing film, and a window panel, or at least one of a plurality of adhesive layers provided between the panels, is mounted respectively. A seating module having a possible first stage and a second stage, and a third stage capable of integrally attaching the first panel seated on the first stage and the second panel seated on the second stage; A first moving module for moving the first panel between the first stage and the third stage; A second moving module for moving the second panel between the second stage and the third stage; And a position alignment module to align a position between the first panel and the second panel on the third stage.

A display lamination device according to another embodiment of the present invention includes: a first stage capable of sequentially attaching a first adhesive layer and a touch panel on a display panel; A second stage capable of sequentially attaching a polarizing film and a third adhesive layer on the second adhesive layer; A third stage capable of attaching a second adhesive layer to the touch panel and attaching a window panel to the third adhesive layer; A first moving module for moving the display panel between the first stage and the third stage; A second moving module for moving the polarizing film between the second stage and the third stage; And a third moving module for moving the cover window on the third stage.

According to an embodiment, the display panel on the third stage may further include a position alignment module capable of aligning positions between the polarizing film and the cover window.

According to an embodiment, the third adhesive layer may be an optical clear adhesive (OCA) or an optical clear resin (OCR).

According to an embodiment, the third stage includes: an adhesive discharge head for discharging the OCR; And a UV irradiator for irradiating UV to the OCR at the same time or at the same time as the OCR is discharged.

In order to solve the above technical problem, the present invention provides a display lamination method.

A display lamination method according to an embodiment of the present invention includes: a first attaching step of sequentially attaching a first adhesive layer and a touch panel on a display panel mounted on a first stage; A second attaching step of sequentially attaching a polarizing film and a third adhesive layer on the second adhesive layer mounted on the second stage; A moving step of moving the display panel to which the first adhesive layer and the touch panel are attached, and the polarizing film to which the second adhesive layer and the third adhesive layer are attached to a third stage; And a third attaching step of attaching the second adhesive layer on the touch panel and attaching the window panel to the third adhesive layer.

According to an embodiment of the present invention, there is an advantage of reducing display lamination time and improving productivity by separating a process section into a first stage, a second stage, and a third stage and simultaneously performing a bonding process.

1(a) to 1(e) are views showing different embodiments in which a plurality of panels are attached on the first stage to the third stage.
2 is a diagram schematically showing an operating state of a display lamination device according to an embodiment of the present invention.
3(a) and 3(b) are views showing a joint venture process in the first stage of FIG. 2.
4(a) and 4(b) are views showing a joint venture process in the second stage of FIG. 2.
5A and 5B are views illustrating a process of forming an adhesive layer in the third stage of FIG. 2.
6 is a flowchart illustrating a method of bonding a display panel according to an exemplary embodiment of the present invention.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. However, the technical idea of the present invention is not limited to the embodiments described herein and may be embodied in other forms. Rather, the embodiments introduced herein are provided so that the disclosed contents may be thorough and complete, and the spirit of the present invention may be sufficiently conveyed to those skilled in the art.

In the present specification, when a component is referred to as being on another component, it means that it may be formed directly on the other component or that a third component may be interposed therebetween. In addition, in the drawings, the shape and size are exaggerated for effective description of the technical content.

In addition, in various embodiments of the present specification, terms such as first, second, and third are used to describe various elements, but these elements should not be limited by these terms. These terms are only used to distinguish one element from another element. Therefore, what is referred to as a first component in one embodiment may be referred to as a second component in another embodiment. Each embodiment described and illustrated herein also includes its complementary embodiment. In addition, in the present specification,'and/or' has been used to mean including at least one of the elements listed before and after.

In the specification, expressions in the singular include plural expressions unless the context clearly indicates otherwise. In addition, terms such as "comprise" or "have" are intended to designate the presence of features, numbers, steps, components, or a combination thereof described in the specification, and one or more other features, numbers, steps, or configurations. It is not to be understood as excluding the possibility of the presence or addition of elements or combinations thereof. In addition, in the present specification, "connection" is used to include both indirectly connecting a plurality of constituent elements and direct connecting.

In addition, in the following description of the present invention, if it is determined that a detailed description of a related known function or configuration may unnecessarily obscure the subject matter of the present invention, a detailed description thereof will be omitted.

1(a) to 1(e) are views showing different embodiments in which a plurality of panels D, T, P, and W are attached on the first stage 110 to the third stage 130 , FIG. 2 is a schematic view showing an operation state of the display lamination apparatus according to an embodiment of the present invention, and FIGS. 3(a) and 3(b) are a joint process in the first stage 110 of FIG. 2 4(a) and 4(b) are views showing a joint venture process in the second stage 120 of FIG. 2, and FIGS. 5(a) and 5(b) are A diagram showing a process of forming an adhesive layer in the third stage 130.

Hereinafter, each component constituting the display lamination device according to an embodiment of the present invention will be described in detail.

1(a) to 4, in the display lamination apparatus according to an embodiment of the present invention, a plurality of functional panels D, T, P, W, such as a display panel D, are bonded to adhesive layers A1, A2, A3. It is a cooperative device capable of simultaneously carrying out each of the bonding processes simultaneously in the bonding process with a) interposed therebetween. The display lamination device includes a seating module 100, a first moving module 210, a second moving module 220, and a position alignment module 300, and a third moving module 230 and an elevating module (not shown). ) May be further included.

1(a) of FIGS. 1(a) to 1(e) will be embodied as an example of FIGS. 2 to 5(b) and described. Separately, since FIGS. 1(b) to eh 1(e) can be implemented corresponding to the following description, a description thereof will be omitted.

Referring back to FIGS. 2 to 5 (b), the seating module 100 may provide a plurality of stages 110, 120, and 130 on which panels D, T, P, and W, which are an object to be bonded, can be seated. I can. The seating module 100 may include a first stage 110, a second stage 120, and a third stage 130.

The first stage 110 and the second stage 120 may provide a region for performing a bonding process of some of the plurality of panels. The first stage 110 and the second stage 120 may provide regions to which different panels and adhesive layers are attached.

The first stage 110 may provide a panel seating surface on which the first panel can be seated. The first panel may be any one of a display panel D, a touch panel T, a polarizing film P, and a window panel W.

The panel seating surface is formed in the same shape as the cross section of the first panel, so that the first panel may be closely adhered to and seated. The first stage 110 may be attached by disposing a panel different from at least one of the adhesive layers A1 to A3 and the other panels T, P, and W on the seated first panel.

The first stage 110 may include a mounting holder 111 and a pressure roller 112 to attach the first panel to the adhesive layer.

The seating holder 111 may bring another panel to the top of the first stage 110 and bring another panel to correspond to the first panel to which the adhesive layer is attached, and align the position.

The pressure roller 112 slides in a horizontal direction along an upper surface of another panel seated on the first panel to which the adhesive layer is attached, and may press-bond the first panel and the other panel. The pressure roller 112 may be connected to one side of a pressure cylinder (not shown). The pressure cylinder (not shown) can apply pressure to the pressure roller 112.

1(a), 2, 3(a), and 3(b), in the first stage 110, the display panel D is mounted and the mounted display panel The first adhesive layer (A1) is attached to (D), and the touch panels (T) are sequentially laminated on the upper surface of the touch panel (T), and then press-bonded by the pressing roller (112).

The second stage 120 may provide a panel seating surface on which the second panel can be seated. The second panel may be any one of a display panel D, a touch panel T, a polarizing film P, and a window panel W, and may be of a different type from the first panel. The second stage 120 may be attached by disposing at least one of an adhesive layer and another panel on the seated second panel.

When the first panel is the display panel D, the second panel may be a touch panel T, a polarizing film P, and a window panel W.

The second stage 120 may include a mounting holder 111 and a pressure roller 112 to attach the second panel to the adhesive layer.

The seating holder 111 may bring another panel to the top of the second stage 120 and bring another panel to correspond to the second panel to which the adhesive layer is attached, and align the position.

The pressure roller 112 may slide in a horizontal direction along an upper surface of another panel seated on the second panel to which the adhesive layer is attached, and may press-bond the second panel and the other panel. The pressure roller 112 may be connected to one side of a pressure cylinder (not shown). The pressure cylinder (not shown) can apply pressure to the pressure roller 112.

According to the exemplary embodiment shown in FIGS. 1(a) and 2, 4(a), and 4(b), a polarizing film ( P) can be laminated and bonded under pressure by means of a pressure roller 112. Thereafter, a third adhesive layer A3 may be laminated and attached on the polarizing film P.

Referring back to FIG. 2, the third stage 130 may provide a seatable area to collect and attach different panels attached from the first stage 110 and the second stage 120. In the third stage 130, the second panel may be attached on the first panel in which the position is aligned.

According to the exemplary embodiment illustrated in FIGS. 1A and 2, a second adhesive layer A2 is attached to the touch panel T that is the uppermost layer of the display panel D mounted on the third stage 110. , The window panel W may be attached to the third adhesive layer A3, which is the uppermost layer of the second adhesive layer A2.

The adhesive layer may be an optical clear adhesive (OCA) or an optical clear resin (OCR). When the adhesive layer is OCR, it may be any one of acrylic, epoxy, silicone, or rubber resins, or a mixture thereof, and preferably, a UV curable resin. When the adhesive layer is OCR, the third stage 130 may include an adhesive discharge head 131 and a UV irradiator 132.

Referring to FIGS. 5A and 5B, the adhesive discharge head 131 may form an adhesive layer A3 by discharging a continuous or layered OCR on the front surface of the panel. The adhesive discharge head 131 may be provided with tens to thousands of nozzles (not shown), a gantry 133 supporting the adhesive discharge head 131, and an OCR supply unit (not shown). The adhesive discharge head 131 may move along the gantry 133 to correspond to the panel disposed on the third stage 130 in the horizontal direction.

The nozzle (not shown) may discharge OCR in the form of fine droplets. The nozzle (not shown) may adjust a driving voltage and a voltage pulse time for each characteristic of each OCR based on programming data. Programming data may be stored in a memory module (not shown). The programming data may include content for controlling a movement operation of the adhesive discharge head 131 and a discharge operation of a nozzle (not shown).

The UV irradiator 132 can cure OCR. The UV irradiator 132 may be provided on one side of the adhesive discharge head 131. The UV irradiator 132 may move along the gantry 133 to correspond to the panel disposed on the third stage 130 in the horizontal direction. The UV irradiator 132 may be supported by the gantry 133 adjacent to the adhesive discharge head 131. The UV irradiator 132 can irradiate the OCR with UV at the same time or at the same time as the OCR is discharged. The UV irradiator 132 may adjust the amount of UV irradiation according to the curing time and temperature according to the characteristics of the OCR by programming data.

The number of seating modules 100 includes the first stage 110, the second stage 120, the third stage 130, and the fourth stage 140 according to the number of panels and the performance of the panel and the adhesive layer. Can be added or subtracted.

Referring back to FIG. 2, the first moving module 210 may move the first panel between the first stage 110 and the third stage 130. According to an embodiment, the first moving module 210 includes the first adhesive layer A1 disposed on the mounting surface of the first stage 110 and the display panel D to which the touch panel T is attached to the third stage. It can be moved to the upper surface of (130). The first moving module 210 may be a chuck or an adsorption pad capable of supporting and transferring one surface of the panel. 2 illustrates the first moving module 210 as a chuck, but is not limited thereto.

According to the exemplary embodiment shown in FIG. 2, the first moving module 210 is inserted between the first stage 110 and the display panel D, and is vertically and vertically while supporting one surface of the display panel D. By moving in the horizontal direction, the position may be aligned and moved to the seating area of the third stage 130. In this case, the position alignment module 300 may align the position of the display panel D and the first moving module 210 may move the display panel D on the seating area of the third stage 130.

Referring back to FIG. 2, the second moving module 220 may move the second panel between the second stage 120 and the third stage 130. In addition, the second moving module 220 may be a pair of clampers fixedly supporting both ends of the panel so that the panel may be disposed between the second stage 110 and the third stage 130. The second moving module 220 may fix and support edge regions of both ends of the second panel to arrange the second panel between the first panel and the third panel.

The third panel is a panel other than the first panel and the second panel, and may be a window panel W according to an exemplary embodiment as illustrated in FIG. 2.

The second moving module 220 may positionally move between the second stage 120 and the third stage 130, and may align the third panel by moving it up and down on the third stage 130. .

According to the exemplary embodiment shown in FIG. 2, the display panel on the third stage 130 while the second moving module 210 fixedly supports the edge region of the polarizing film P on the second stage 120. The polarizing film (P) can be moved in a state separated from D) by a certain distance. In addition, after the position alignment module 300 aligns the position of the polarizing film P, the second movement module 210 may move the polarizing film P to the alignment position so as to correspond to the display panel D.

Referring back to FIG. 2, the position alignment module 300 may align positions between the first panel and the second panel disposed vertically on the third stage 130. The position alignment module 300 may position-align the upper second panel and the lower first panel disposed on the third stage 130 in a vertical direction.

The position alignment module 300 may be a plurality of cameras for checking position information of each panel and a driving unit (not shown) capable of aligning alignment position misalignment according to position information of each panel. Multiple cameras. Each of the first moving module 210, the second moving module 220, and the third moving module 230 may be provided at corresponding positions to correspond to each of the first moving module 210, the second moving module 220, and the third moving module 230. The driving unit (not shown) may move the first moving module 210, the second moving module 220, and the third moving module 230 to a specific alignment position in the X-axis or Y-axis direction.

The position alignment module 300 may generate image information to arrange positional shifts according to positional information of each panel during a display lamination process.

Referring back to FIG. 2, the third moving module 230 moves the window panel W on the third stage 130 and a plurality of panels D, T, and P in which the display panel D and the like are stacked. The window panel (W) can be fixed to. The third moving module 230 may be provided above the third stage 130 in a vertical direction. The third moving module 230 may carry the window panel W onto the third stage 130. The third movement module 230 may be an intake channel that contacts an intake device for inhaling air and one surface of the window panel to provide an air intake line connected to the bonding surface of the window panel. The seating surface of the third moving module 230 may have the same shape as the surface shape of the window panel W.

According to the exemplary embodiment illustrated in FIG. 2, the third moving module 230 may move the window panel W in a state in which the display panel D on the third stage 130 is adhered to each other. I can.

The first moving module 210 is inserted between the first stage 110 and the display panel D, and moves vertically and horizontally while supporting one surface of the display panel D. It can be moved by aligning it with the seating area. In this case, the position alignment module 300 may align the position of the display panel D and the first moving module 210 may move the display panel D on the seating area of the third stage 130.

The lifting module (not shown) may move the third stage 130 or the third moving module 230 up and down so that the first panel faces the second panel and the window panel W. The elevating module (not shown) includes a first panel on the third stage 130 and a second panel fixed in position by the second moving module 220, and a window panel fixed in position by the third moving module 230 ( It can be moved up and down so that it can be pressed in the up and down direction to bond W).

The bonding object in the display lamination device may be a display panel D, a touch panel T, a polarizing film P, and a window panel W. Bonding layers A1, A2, and A3 may be provided between each panel in order to bond each of the objects to be bonded.

The display panel D may be a panel on which an image is displayed. The display panel D may include an LCD panel, an OLED panel, a PDP display panel, and the like. In addition, the display panel D may include a flexible panel made of a flexible material capable of bending, folding, and rolling, as well as a rigid panel.

The touch panel T is a type of input device that is installed on the display surface of the display panel D and recognizes the location when a specific location is pressed or touched. The touch panel (D) has a resistive type, a capacitive type, an electromagnetic field type (EM), a surface acoustic wave type (SAW), and an infrared method. (infrared type) and the like, and the present invention may be any one type of touch panel T.

The display panel D, the touch panel T, and the polarizing film P may be transformed in shape corresponding to the shape of the window panel W.

The window panel W may be a cover glass made of glass or plastic such as polyethylene terephthalate (PET). The window panel W may be made of a transparent material.

According to an embodiment, the window panel W may have a transparent flat plate shape. Also, in the window panel W, a part or all of the edge area may have a curved shape. In this case, the window panel W may include a flat portion and a curved portion.

A display lamination method using a display lamination device according to an embodiment of the present invention having the above components will be described.

The display lamination method may include a first attaching step (S10), a second attaching step (S20), a moving step (S30), and a third attaching step (S40).

In the first attaching step S10, the first adhesive layer and the touch panel may be sequentially attached to the display panel mounted on the first stage.

In the second attaching step S20, the polarizing film and the third adhesive layer may be sequentially attached to the second adhesive layer mounted on the second stage.

In the moving step S30, the display panel to which the first adhesive layer and the touch panel are attached, and the polarizing film to which the second adhesive layer and the third adhesive layer are attached may be moved to the third stage. In the moving step (S30), the first adhesive layer mounted on the first stage and the display panel to which the touch panel is attached are moved to the first moving module.

In the third attaching step S40, a second adhesive layer may be attached to the touch panel. In addition, in the third attaching step (S40), the window panel may be attached to the third adhesive layer.

In the third stage, a second adhesive layer may be attached to the touch panel, and a window panel may be attached to the third adhesive layer.

As described above, the present invention has been described in detail using preferred embodiments, but the scope of the present invention is not limited to specific embodiments, and should be interpreted by the appended claims. In addition, those who have acquired ordinary knowledge in this technical field should understand that many modifications and variations are possible without departing from the scope of the present invention.

100: seating module 110: first stage
111: mounting holder 112: pressure roller
120: second stage 130: third stage
131: adhesive discharge head 132: UV irradiator
140: 4th stage
210: first movement module
220: second movement module
230: 3rd movement module
300: position alignment module
D: Display panel T: Touch panel
P: Polarizing film W: Window panel
A1: 1st transparent adhesive film A2: 2nd transparent adhesive film
A3: 3rd adhesive layer OCA: transparent adhesive film
R: OCR

Claims (6)

At least one of a plurality of panels consisting of a display panel, a touch panel, a polarizing film, and a window panel, or at least one of a plurality of adhesive layers provided between the panels, respectively, a first stage, a second stage, and the first stage A seating module having a first panel seated on the second stage and a third stage capable of integrally attaching the second panel seated on the second stage;
A first moving module for moving the first panel between the first stage and the third stage;
A second moving module for moving the second panel between the second stage and the third stage; And
A display lamination apparatus comprising a position alignment module for aligning a position between the first panel and the second panel on the third stage.
A first stage capable of sequentially attaching a first adhesive layer and a touch panel on the display panel;
A second stage capable of sequentially attaching a polarizing film and a third adhesive layer on the second adhesive layer;
A third stage capable of attaching a second adhesive layer to the touch panel and attaching a window panel to the third adhesive layer;
A first moving module for moving the display panel between the first stage and the third stage;
A second moving module for moving the polarizing film between the second stage and the third stage; And
A display lamination apparatus comprising a third moving module for moving the cover window on the third stage.
The method of claim 2,
The display lamination apparatus further comprises a position alignment module capable of aligning positions between the display panel on the third stage, the polarizing film, and the cover window.
The method of claim 2,
The third adhesive layer is
OCA (optical clear adhesive) or OCR (optical clear resin), display lamination device.
The method of claim 4,
The third stage,
An adhesive discharge head for discharging the OCR; And
A display lamination apparatus further comprising a UV irradiator for irradiating UV to the OCR at the same time or at the same time as the discharge of the OCR.
A first attaching step of sequentially attaching a first adhesive layer and a touch panel on the display panel mounted on the first stage;
A second attaching step of sequentially attaching a polarizing film and a third adhesive layer on the second adhesive layer mounted on the second stage;
A moving step of moving the display panel to which the first adhesive layer and the touch panel are attached, and the polarizing film to which the second adhesive layer and the third adhesive layer are attached to a third stage; And
And a third attaching step of attaching the second adhesive layer on the touch panel and attaching a window panel to the third adhesive layer.

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