KR20130090579A - Apparatus and method for attaching panels - Google Patents

Apparatus and method for attaching panels Download PDF

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Publication number
KR20130090579A
KR20130090579A KR1020120011820A KR20120011820A KR20130090579A KR 20130090579 A KR20130090579 A KR 20130090579A KR 1020120011820 A KR1020120011820 A KR 1020120011820A KR 20120011820 A KR20120011820 A KR 20120011820A KR 20130090579 A KR20130090579 A KR 20130090579A
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KR
South Korea
Prior art keywords
panel
touch panel
display panel
pressure
bonding
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KR1020120011820A
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Korean (ko)
Inventor
고경담
배은혜
Original Assignee
주식회사 갤럭시아디스플레이
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Priority to KR1020120011820A priority Critical patent/KR20130090579A/en
Publication of KR20130090579A publication Critical patent/KR20130090579A/en

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/0412—Digitisers structurally integrated in a display
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
    • G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
    • G06F2203/04103—Manufacturing, i.e. details related to manufacturing processes specially suited for touch sensitive devices

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Position Input By Displaying (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

PURPOSE: A panel attaching apparatus and a method thereof are provided to exclude an air layer when attaching a touch panel and a display panel, thereby improving optical visibility. CONSTITUTION: A lower stage (400) supports a display panel, and an upper stage (500) supports a touch panel. First and second transfer robots (710,720) move the upper and lower stages in order to move the touch panel and the display panel from an initial position to a coupling position. An align part finally aligns the mutual position of the touch panel and the display panel at the coupling position. While transferring the touch panel, a plasma cleaning part (800) washes the combined surface between the touch panel and the display panel by spraying plasma. A control unit controls the trajectory of the first and second transfer robots, and controls the align part and the plasma cleaning part.

Description

Panel bonding apparatus and method {APPARATUS AND METHOD FOR ATTACHING PANELS}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a panel bonding apparatus and method, and in particular, a touch panel and a display panel of a touch screen device used as data input / output means of various electronic devices can be easily bonded together without using an air layer by using an optical adhesive (OCA). It relates to a panel bonding apparatus and method that is implemented to be.

In general, various electronic devices include input devices for inputting data and output devices for outputting data. The input device may be classified into a key button device and the like, and the output device may be classified into a display device including an LCD module.

Recently, a touch screen device capable of performing data input and output at the same position has been released to significantly reduce the volume of the electronic device and to diversify its functions. In the touch screen device, a transparent touch panel is disposed on an upper portion of a display panel (generally an LCD module), and thus input and output are simultaneously performed. Such a touch panel includes a resistive touch panel, a capacitive touch panel, The touch panel is classified into various types of touch panels, such as a capacitive touch panel, an ultrasonic touch panel, an optical (infrared) sensor touch panel, and an electromagnetic inductive touch panel.

In addition, the touch panel and the display panel are applied with an optical adhesive and a liquid adhesive to remove the air layer between the touch panel and the display panel while eliminating the reflectance generated in the air layer, so as to enjoy an optically enhanced transmittance. The panel is manufactured by bonding.

1 is a cross-sectional view of main parts showing the configuration of a general touch screen device, (a) is a state where the touch panel and the display panel are bonded together using double-sided tape, and (b) the optical panel is an optical adhesive ( Bonded using OCA (Optical Clear Adhesive).

As shown in (a), the touch panel 101 is installed on the display panel 103 of the touch screen device 100 so as to be stacked between the display panel 103 and the touch panel 101. To each other using a double-sided adhesive tape 102. In this case, the double-sided adhesive tape 102 may be applied along an edge which is an inactive area except for the active area of the touch panel 101.

However, in this method, an air layer 104 is formed between the touch panel 101 and the display panel 103 due to the thickness of the double-sided tape 102, and the internal reflection is optically performed by the air layer 104. There was a problem that the visibility is lowered.

Therefore, recently, an optical adhesive (OCA) 202 made of a transparent material that is applied over the entire surface of the touch panel 201 and the display panel 203, such as the touch screen device 200 shown in (b), is used. do. The optical adhesive 202 is excluded from the above-described air layer 104, the light visibility is improved and the adhesion performance is improved.

FIG. 2 shows light on the upper substrate 302 to improve light visibility in a resistive touch panel including an upper substrate 302 for X-axis electrical signals and a lower substrate 303 for Y-axis electrical signals. In order to minimize surface reflection, a polarizing plate 301 is applied, and the upper substrate 302 and the lower substrate 303 use optically isotropic materials to manufacture the touch panel. In general, a product is manufactured using glass as an isotropic material.

A product of the type shown in FIG. 2 is called an inner type touch screen device 300, but it is difficult to attach the inner type touch screen device to the display panel 203 without removing the air layer described above. In order to apply and bond the UV liquid adhesive, UV light must pass through, but it is difficult to apply because the polarizing plate 301 interferes with the passage of UV light, and it is necessary to apply the adhesive by applying the optical adhesive 202. The glass of the upper substrate 302 is broken, or due to the air layer 305 inside the inner type touch screen, there is a problem of bubble generation on the bonding surface.

In order to solve the above problems, the object of the present invention is to apply the optical adhesive while excluding the air layer in order to improve the light visibility of the inner type touch screen device, to minimize the bubble generation and product quality and production yield To provide a panel bonding apparatus and method that can improve the.

Another object of the present invention is to provide a panel bonding apparatus and method which can be easily bonded without damaging the touch panel and the display panel of the inner type touch screen device.

In order to solve the above object, the present invention provides a bonding apparatus for bonding the touch panel and the display panel, the lower stage for supporting the display panel, the upper stage for supporting the touch panel, the touch First and second transfer robots which move the upper and lower stages to move the panel and the display panel from the initial position to the combined position, respectively, and finally align the mutual positions of the touch panel and the display panel at the combined position. Plasma spraying and cleaning of the alignment unit and the engaging surface of the touch panel with the display panel of the touch panel while the touch panel is transferred from the initial position to the combined position, and controlling the movement trajectories of the first and second transfer robots. And control the alignment unit and the plasma cleaning unit. And the effective laminating operation, characterized in that a control unit for implementing.

Furthermore, according to the present invention, the alignment unit may include an upper camera installed at an upper portion of the lower stage and correcting an engagement position of the display panel, and a lower camera installed at a lower portion of the upper stage to correct an engagement position of the touch panel. It is characterized in that the alignment of each panel alignment correction by the vision camera method.

Furthermore, according to the present invention, the bonding apparatus further includes a pressure roller unit for a line contact method when the touch panel is attached to the display panel, wherein the pressure roller unit is provided with a pressure roller body movably installed on one side of the upper stage; By the control unit including a transfer cylinder for moving the pressure roller body, a servo motor for moving the transfer cylinder to adjust the thrust and a load cell installed to control the pressing force pressed by the pressure roller body at a predetermined pressure A movement trajectory of the first and second transfer robots is controlled and at the same time the pressure of the load cell is controlled.

Furthermore, according to the present invention, when the touch panel and the display panel are bonded, the load cell further includes an indicator so as to transmit a predetermined pressure to the pressure roller body, and recognizes the pressure pressurized by the pressure roller body in the load cell The indicator is displayed on the indicator, and the pressure measurement value is maintained by the control unit so as to maintain a predetermined range of pressure values.

In addition, according to the present invention, the pressing force of the pressing roller unit to press the touch panel is set in the range of 5 to 100 Kgf, in particular, to maintain the air layer between the upper substrate and the lower substrate of the touch panel of the inner type touch screen device and breakage of the glass layer. In order to prevent the pressing force of the pressure roller body is characterized in that it is set in the range of 10 ~ 30Kgf.

Further, according to the present invention, the speed at which the pressure roller is conveyed is set in the range of 1 to 50 mm / sec, and in particular, to maintain the air layer between the upper substrate and the lower substrate of the touch panel of the inner type touch screen device and to prevent breakage of the glass layer. In order to convey the speed of the pressure roller body may be set in the range of 5 ~ 25mm / sec. In addition, the pressure roller body of the pressure roller may be formed to have a hardness in the range of 40 ~ 90.

Apparatus and method for bonding the touch panel and the display panel of the inner type touch screen device according to the present invention can improve the light visibility by excluding the air layer, and because it is bonded while pressing under a controlled constant pressure and a constant speed By minimizing the influence on the air layer inside the inner type touch screen device, it is possible to reduce damage to each panel, thereby improving product productivity and ensuring reliability.

In addition, the panel bonding apparatus and method according to the present invention cleans the bonding surface of the Tuffy panel and the display panel using plasma, thereby improving the bonding efficiency and minimizing bubble generation, thereby improving product quality and increasing yield.

In addition, the panel bonding apparatus according to the present invention can provide a pressing force in a sequential line contact method by a pressure roller in addition to the surface contact method by the upper stage body can be selectively used as needed.

1 is a sectional view showing the main parts of a general touch screen device;
2 is a sectional view showing the main parts of a structure of an inner type touch screen device;
3 is a block diagram showing the configuration of a panel bonding apparatus bonding apparatus according to an embodiment of the present invention;
4 is an enlarged view of a configuration of an upper stage of the panel bonding apparatus of FIG. 3 according to the present invention; And
FIG. 5 is an operation diagram illustrating a state in which the touch panel and the display panel of the panel bonding apparatus of FIG. 3 are bonded together according to the present invention; FIG.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. However, if it is determined that the gist of the present invention may be unnecessarily blurred, detailed description thereof will be omitted.

The panel bonding apparatus according to the present invention may be applied to various electronic devices including a touch screen device as data input / output means. For example, an electronic device according to the present invention is a portable terminal, a mobile phone, a mobile pad, a media player, a tablet computer, a handheld computer. The concept includes various electronic devices including a touch screen device such as a computer and a personal digital assistant (PDA).

In FIG. 1, the general touch screen device 200 sequentially includes a display panel 103 such as an LCD module (Liquid Crystal Display Module) used as a data output means and a touch panel 101 used as a data input means. Are stacked.

More preferably, the touch screen device 200 may include an optical clear adhesive (OCA) 202 for the entire area of the touch panel 201 and the display panel 203 as shown in FIG. By bonding, the light visibility is excellent and the adhesion performance is improved.

2 is a configuration of a resistive touch screen device 300 including an upper substrate 302 and a lower substrate 303 that are responsible for electrical signals on the X and Y axes, respectively. In the touch screen device 300 implemented as described above, the polarizing plate 301 is applied to minimize the surface reflection of light on the upper substrate 302 to improve light visibility, and the upper substrate 302 and the lower substrate. 303 manufactures a touch panel using an optically isotropic material. In general, a product is manufactured using glass as an isotropic material. The upper substrate 302 uses a thin special glass having a thickness of about 0.1 to 0.3 mm to respond to touch pressure in a resistive film method.

In the inner type touch screen device 300 of FIG. 2, the method of attaching the display panel 203 to the display panel 203 while removing the air layer described above is quite difficult. In order to apply and bond the UV liquid adhesive, UV light must pass through, but it is difficult to apply because the polarizing plate 301 interferes with the passage of UV light, and it is necessary to apply the adhesive by applying the optical adhesive 202. In order to maintain a constant air layer 305 between the upper substrate 302 and the lower substrate 303, a cell gap 304 that supports the upper substrate 302 and the lower substrate 303 is broken to form inner. There may be a problem of electrical insulation between the upper substrate 302 and the lower substrate 303 of the touch panel of the type touch screen device 300, and the upper substrate 302 made of thin special glass is easily broken. When the air layer 305 between the upper substrate 302 and the lower substrate 303 is pressed and moved, there is a problem that bubbles are generated on the mating surface in the direction in which air is pushed to one side and pushed. As described above, in the method of attaching the inner type resistive touch screen device 300 to the display panel 203, the optical panel 203 may be used to connect the touch panel and the display 203 of the touch screen device 300. Bonding should be such that there is no breakage and no bubbles on the mating surfaces.

In this case, the panel bonding apparatus 300 and the bonding method using the same according to the present invention shown in FIGS. 3 and 4 are used.

3 is a block diagram showing the configuration of the panel bonding apparatus bonding apparatus according to an embodiment of the present invention, Figure 4 is an enlarged view showing the configuration of the upper stage of the panel bonding apparatus of FIG. to be.

3 and 4, the panel bonding apparatus 1 according to the present invention includes a lower stage 400 and an upper stage 500 to which a display panel D and a touch panel T are coupled, and a touch panel. The first transfer robot 710 and the second transfer robot 720 which move the lower stage 400 and the upper stage 500 such that the T and the display panel D move from the initial position to the combined position coupled to each other. And the alignment unit 600 for aligning the mutual positions of the touch panel T and the display panel D at the combined position, and the touch panel when moved from the initial position to the combined position by the second transfer robot 720. And a plasma cleaner 800 for spraying plasma onto the bonding surface of T) to clean the bonding surface.

The lower stage 400 supports the display panel D. The lower stage 400 adsorbs the display panel D to the surface so that its position is fixed. The lower stage 400 may include an lower stage main body 410 on which the display panel D is mounted, and an alignment corrector 420 that adjusts a final alignment position and angle by adjusting positions of the lower stage main body 410. It includes.

The lower stage main body 410 is provided in a flat shape and a display panel D is mounted on an upper surface thereof. The lower stage main body 410 processes and processes the shape of the lower stage main body 410 in consideration of the shape of the display panel D to make the flatness of the adhesive surface as flat as possible according to the shape of the display panel D. The display panel (D) is mounted on the surface so that the display panel (D) is tightly fixed when the display panel (D) is attached to the surface.

The alignment correction unit 420 first corrects the alignment position after the alignment position is first completed by the alignment unit 600. The alignment correction unit 420 corrects the alignment position by moving the position of the lower stage main body 410 in the X-axis, Y-axis, and θ directions including a pair of X-axis moving units and a Y-axis moving unit. do.

The upper stage 500 includes an upper stage main body 510 on which a touch panel T is mounted and fixed on an upper surface, a rotating motor 520 for rotating the upper stage main body 510, and an upper stage main body 510. A pressure roller unit provided at one side to press the touch panel T and the display panel D by lowering and contacting a predetermined roller when the touch panel T and the display panel D are attached to each other. 530 may be included.

The pressure roller part 530 may include a load cell 540 and a pressure indicator for measuring and controlling the pressure to press when the touch panel T and the display panel D are pressed together.

In the panel bonding apparatus according to the present invention, the upper stage 500 contacts the touch panel T and the display panel D by surface contact with a pressure in the range of 10 to 250 kgf, and the pressure roller unit 530 moves. It can be used with the method of bonding together in the pressure range of 5 ~ 100kgf.

As shown in FIG. 3, the pressure roller part 530 adjusts the thrust by moving the pressure roller body 531, the transfer cylinder 532 for moving the pressure roller body 531, and the transfer cylinder 532. It includes a servo motor 533, and also includes a pressure load cell 540 to control the pressure to press the upper portion of the pressure roller body 531 at a constant pressure.

The above-described pressure roller body 531 may be changed in material according to the characteristics of the touch panel T and the display panel D to be bonded. Accordingly, the pressure roller body 531 may be provided with various materials, such as silicone and urethane, and may vary the hardness of the material to 40 to 90.

The pressure load cell 540 includes an indicator to transmit a constant pressure to the pressure roller body 531, and recognizes the pressure pressurized by the pressure load cell 540 when pressed by the pressure roller body 531 and through the indicator. The pressure measurement value is controlled to maintain a constant range of pressure of the pressurized roller body 531 while communicating with the controller.

The servo motor 533 automatically adjusts the height of the adhesion by the data transmitted from the controller according to the pressure measured by the load cell 540 when the pressure roller body 531 is bonded to the display panel D and the touch panel T. It can be adjusted to maintain a constant pressure while being controlled.

The transfer cylinder 532 adjusts the initial position and the final position at which the pressure roller main body 531 contacts and presses the display panel D, and adjusts the feeding speed and the section repeating operation of the pressure roller main body 531. Here, the transfer cylinder 532 may adjust the position of the initial pressing roller body 531 according to the size of the display panel (D) and the touch panel (T). Therefore, since the pressure roller part 530 has a feedback structure that detects the pressure of the load cell 540 and controls the servo motor 533 by using the control part, the pressure roller part 530 can always maintain a constant pressing force.

On the other hand, the lower stage 400 is moved in the X-axis, Y-axis and Z-axis direction by the first transfer robot 710 is moved to the coupling position in contact with the upper stage 500.

The alignment unit 600 aligns the positions of the display panel D and the touch panel T adsorbed on the upper stage 500 and the lower stage 400 to be bonded to each other at the correct position. To this end, the alignment unit 600 is automatically aligned in a vision manner by the upper camera 610 and the lower camera 620. The upper camera 610 is provided in the upper region of the lower stage 400 to photograph the position of the display panel D loaded on the lower stage 400, and the lower camera 620 is the lower region of the lower stage 400. The position of the touch panel T provided on the upper stage 500 is photographed.

The positions of the touch panel T and the display panel D are aligned based on the images photographed by the upper camera 610 and the lower camera 620, and finally the alignment correction unit 420 of the lower stage 400. Moves to align the position.

When the plasma cleaning unit 800 bonds the touch panel T and the display panel D, the plasma cleaning unit 800 cleans the bonding surface of the touch panel T that is moved from the initial position to the bonding position using plasma. The plasma cleaning unit 800 is provided in the plasma cleaning main body 810, the plasma cleaning head 820 provided in the upper region of the plasma cleaning main body 810, and ejects the plasma to the mating surface of the touch panel T, and the plasma cleaning main body 810. The main body 810 is moved to spray plasma to the entire area of the touch panel T. FIG.

When the plasma is sprayed, as the bonding surface of the touch panel T exposed and exposed to the air is reduced, the surface is clean and the bonding force is increased. Experimental results show that the adhesion increases about 5 times on average compared to before plasma injection.

5 is an operation diagram illustrating a state in which the touch panel and the display panel of the panel bonding apparatus of FIG. 3 according to the present invention are bonded.

A bonding process of the touch panel T and the display panel D will be described below with reference to FIG. 5.

First, as shown in (a), the display panel D is mounted on the lower stage 400. And, the upper stage 500 moved to the initial position, the optical adhesive is located on the touch panel (T) attached to the upper surface.

Thereafter, when the position of the touch panel T is fixed to the upper stage 500 as shown in (b), it is clamped and adsorbed to the upper stage 500, and the touch panel is rotated by 180 degrees using the rotating motor 520.

Thereafter, as shown in (c), the second transfer robot 720 moves the upper stage 500 in the direction of the lower stage 400. In this case, the plasma cleaner 800 is disposed in the transfer path of the upper stage 500 to move left and right along the axial direction, and sprays plasma to the coupling surface of the touch panel T with the display panel D. As a result, the bonding surface of the touch panel T is cleanly cleaned before bonding, thereby creating an excellent bonding environment.

Thereafter, the upper stage 500, which has been cleaned by the plasma cleaner 800 as shown in (d), is moved to the coupling position on the lower stage 400 by the second transfer robot 720. In this state, the upper camera 610 and the lower camera 620 read the alignment positions of the touch panel T and the display panel D to align the respective positions.

Thereafter, when the position correction by the alignment unit 600 is completed as shown in (e), the position is additionally corrected by the alignment correction unit 420 of the lower stage 400. At this time, the correction may be automatically implemented by the vision system.

Then, as shown in (f), when the position correction of the upper stage 500 is completed, the upper stage main body 510 descends at a constant speed so that the touch panel T and the display panel D are in surface contact with each other or the touch panel T ) Is gently placed on the display panel (D) by the load of the product.

At this time, the upper stage 500 provides a pressing force in the bonding direction of the display panel (D) to be in contact with the optical adhesive on the touch panel (T) and the display panel (D).

On the other hand, as shown in (g) and (h), the pressure roller unit 530 is lowered at the start of the bonding to move while maintaining a constant pressure, the touch panel (T) and the display panel (D) may be bonded. have. Therefore, in this case, the pressure roller unit 530 is lowered and the pressure that is pressurized when the pressure in the pressure roller body 531 is recognized by the pressure load cell 540 and displayed through the indicator, while the pressure measurement value is in communication with the control unit The pressing force of the pressure roller main body 531 is controlled to maintain a constant range.

The above-described constant pressing force is applied to the upper substrate 302 and the upper substrate 302 to maintain a constant air layer 305 between the upper substrate 302 and the lower substrate 303 of the touch panel 300 of the inner type touch screen device 300 shown in FIG. 2. Bonding is performed at a pressure in the range of 5 to 100 kgf, which is a pressure condition that does not destroy the cell gap 304 supporting the lower substrate 303, and the pressure condition is related to the moving speed of the bonding process process conditions To establish.

The moving speed of the pressing roller body 531 moving while being bonded is associated with the amount of air pushed to one side by pressurization of the air layer 305 between the upper substrate 302 and the lower substrate 303 of the touch panel of the inner type touch screen device. To set the range from 1 to 50 mm / sec.

In general, in the panel bonding apparatus of the present invention, the condition of bonding the touch panel T and the display panel D is that the thin glass of the upper substrate 302 of the touch panel of the inner type touch screen device is not damaged, and the cell gap is not damaged. In the case of this non-breaking condition, the pressing force is in the range of 10 to 30 kgf, and the moving speed of the pressure roller part 530 is in a stable bonding process condition in the range of 5 to 25 mm / sec.

As a result, the panel bonding apparatus according to the present invention cleans the bonding surface by using plasma, thereby improving the bonding efficiency, thereby improving product quality and increasing yield.

In addition, the panel bonding apparatus according to the present invention can provide a pressing force also in the line contact method by the pressure roller in addition to the surface contact method by the pressing unit can be selectively used as necessary. In addition, it is possible to apply the product by applying the surface contact method and line contact method at the same time.

Apparently, there are many different ways to modify these embodiments while remaining within the scope of the claims. In other words, there may be many other ways in which the invention may be practiced without departing from the scope of the following claims.

1: panel fastening device 200: touch screen device
201: touch panel 202: optical adhesive
203: display panel 300: inner type touch screen device
301: polarizer 302: upper substrate
303: lower substrate 304: cell gap
305: air layer 400: lower stage
410: lower stage body 420: alignment correction unit
500: upper stage 510: upper stage body
520: rotary motor 530: pressure roller portion
531: roller body 532: transfer cylinder
533 Servo Motor 540 Pressure Load Cell
600: alignment unit 610: upper camera
620: lower camera 710: first transport robot
720: second transfer robot 800: plasma cleaning unit
810: plasma cleaning body 820: plasma cleaning head
D: display panel T: touch panel

Claims (14)

In the bonding apparatus for bonding the touch panel and the display panel,
A lower stage supporting the display panel;
An upper stage supporting the touch panel;
First and second transfer robots configured to move the upper and lower stages to move the touch panel and the display panel from an initial position to an engaged position, respectively;
An alignment unit for finally aligning mutual positions of the touch panel and the display panel at the coupling position;
A plasma cleaner for plasma-spraying and cleaning the mating surface of the touch panel with the display panel while the touch panel is transferred from the initial position to the mating position; And
And a control unit for controlling the movement trajectories of the first and second transfer robots, and controlling the alignment unit and the plasma cleaning unit to implement an efficient bonding operation of the panel.
The method of claim 1,
The alignment unit,
An upper camera installed at an upper portion of the lower stage to correct a coupling position of the display panel; And
A lower camera installed under the upper stage to correct a coupling position of the touch panel;
Panel fitting apparatus characterized in that the alignment position of each panel is corrected by the vision camera method.
The method of claim 1,
The bonding apparatus further includes a pressure roller unit for a line contact method when the touch panel is bonded to the display panel, wherein the pressure roller unit is
A pressure roller body movably installed on one side of the upper stage;
A transfer cylinder for moving the pressure roller body;
A servo motor for moving the transfer cylinder and adjusting thrust; And
Including a load cell is installed to control the pressing force pressed by the pressure roller body at a predetermined pressure,
The panel bonding apparatus, characterized in that the movement trajectory of the first and second transfer robot is controlled by the control unit and the pressure of the load cell is controlled at the same time.
The method of claim 3,
When the touch panel and the display panel is bonded, the load cell further includes an indicator to transmit a predetermined pressure to the pressure roller body,
And a pressure indicating the pressure applied by the pressure roller body in the load cell and displaying the pressure on the indicator and maintaining the pressure measurement value within a predetermined range by the controller.
The method of claim 3,
The pressing force of the pressing roller unit to press the touch panel is set in the range of 5 ~ 100kgf, the panel bonding apparatus characterized in that the cell gap is not broken when the touch panel and the display panel are bonded.
The method of claim 5,
In order to prevent the breakage of the glass layer and the maintenance of the air layer between the upper substrate and the lower substrate of the touch panel of the inner panel touch panel device, the pressing force of the pressing roller body is set in the range of 10 to 30 Kgf. Device.
The method of claim 3,
Panel pressing apparatus characterized in that the speed of the pressure roller is transferred is set in the range of 1 ~ 50mm / sec.
The method of claim 7, wherein
The conveying speed of the pressing roller body is set in the range of 5 to 25 mm / sec in order to prevent the breakage of the glass layer and the maintenance of the air layer between the upper substrate and the lower substrate of the touch panel of the inner type touch screen device. Panel bonding device.
The method of claim 3,
Panel pressing apparatus characterized in that the pressing roller body is formed to have a hardness in the range of 40 ~ 90.
The method of claim 1,
Panel bonding apparatus characterized in that the touch panel has a pressing force in the range of 10 ~ 250Kgf when the touch panel is bonded after the alignment with the display panel.
The touch screen device of claim 1, wherein the touch panel and the display panel are bonded together using the panel bonding device according to claim 1.
In the bonding method for bonding the touch panel and the display panel,
Transferring the upper stage on which the touch panel is supported toward the lower stage on which the display panel is supported by a predetermined transfer robot;
Plasma cleaning the adhesive surface of the touch panel by a lower plasma cleaner while the touch panel is being transferred;
Aligning the positions by aligning and correcting the touch panel and the display panel at an adhesive position after plasma cleaning of the touch panel; And
And attaching the touch panel and the display panel.
The method of claim 12,
And a step of pressing in a line contact manner from one side of the upper side of the touch panel to the other side by a predetermined pressure roller when the touch panel and the display panel are bonded together.
The method of claim 13,
The pressing roller unit panel bonding method characterized in that to provide a predetermined pressing force to the touch panel in a feedback manner by a load cell for controlling the pressure.
KR1020120011820A 2012-02-06 2012-02-06 Apparatus and method for attaching panels KR20130090579A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015138557A (en) * 2014-01-22 2015-07-30 三星エスディアイ株式会社Ｓａｍｓｕｎｇ ＳＤＩ Ｃｏ．，Ｌｔｄ． Method for preparing transparent conductor, pressing roll used for the same, transparent conductor prepared by method for preparing transparent conductor, and display apparatus comprising the same
KR20150113894A (en) * 2014-03-31 2015-10-08 히라따기꼬오 가부시키가이샤 Manufacturing method and manufacturing appartus
KR20160130926A (en) * 2015-05-04 2016-11-15 삼성디스플레이 주식회사 Lamination device of display device
WO2021108154A1 (en) * 2019-11-27 2021-06-03 Corning Incorporated Laminating system

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015138557A (en) * 2014-01-22 2015-07-30 三星エスディアイ株式会社Ｓａｍｓｕｎｇ ＳＤＩ Ｃｏ．，Ｌｔｄ． Method for preparing transparent conductor, pressing roll used for the same, transparent conductor prepared by method for preparing transparent conductor, and display apparatus comprising the same
KR20150113894A (en) * 2014-03-31 2015-10-08 히라따기꼬오 가부시키가이샤 Manufacturing method and manufacturing appartus
KR20160130926A (en) * 2015-05-04 2016-11-15 삼성디스플레이 주식회사 Lamination device of display device
WO2021108154A1 (en) * 2019-11-27 2021-06-03 Corning Incorporated Laminating system

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