KR101653597B1 - Laminating device having press pad for varying volume and laminating method using it - Google Patents

Laminating device having press pad for varying volume and laminating method using it Download PDF

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Publication number
KR101653597B1
KR101653597B1 KR1020160042473A KR20160042473A KR101653597B1 KR 101653597 B1 KR101653597 B1 KR 101653597B1 KR 1020160042473 A KR1020160042473 A KR 1020160042473A KR 20160042473 A KR20160042473 A KR 20160042473A KR 101653597 B1 KR101653597 B1 KR 101653597B1
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KR
South Korea
Prior art keywords
window
panel
laminating
pressure pad
volume variable
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Application number
KR1020160042473A
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Korean (ko)
Inventor
박태인
조상식
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주식회사 톱텍
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Priority to KR1020160042473A priority Critical patent/KR101653597B1/en
Application granted granted Critical
Publication of KR101653597B1 publication Critical patent/KR101653597B1/en

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    • GPHYSICS
    • G06COMPUTING; CALCULATING; COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00Details not covered by groups G06F3/00 – G06F13/00 and G06F21/00
    • G06F1/16Constructional details or arrangements
    • G06F1/1601Constructional details related to the housing of computer displays, e.g. of CRT monitors, of flat displays
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09FDISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • G09F9/301Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements flexible foldable or roll-able electronic displays, e.g. thin LCD, OLED
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/64Constructional details of receivers, e.g. cabinets or dust covers
    • H04N5/645Mounting of picture tube on chassis or in housing
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00Details of television systems
    • H04N5/64Constructional details of receivers, e.g. cabinets or dust covers
    • H04N5/655Construction or mounting of chassis, e.g. for varying the elevation of the tube

Abstract

[0001] The present invention relates to a laminating apparatus having a variable-volume pressing pad for performing an accurate laminating operation, and more particularly, to a laminating apparatus having a vacuum chamber in which an inner space is selectively brought into a vacuum state by mutual contact; A window jig disposed in an inner space of the vacuum chamber and on which a window as an object to be fixed is seated; A lifting plate disposed on the lower side of the window jig and installed to be movable up and down so as to attach the panel to the surface of the window; A volume variable pressure pad fixed on an upper surface of the lifting plate and having a volume expanded when the internal space is evacuated by the vacuum chamber so that the panel is pressed toward the window side so that the panel is attached to the window; A plurality of clamper gripping both side ends of the panel so that the panel is disposed between the window jig and the volume variable pressure pad; So that the pressure pad is made of foamed silicone and the air bag is provided in the inside so that the air bag is expanded in a vacuum environment so that the laminating operation is performed at an equal pressure by the expansion force and at the same time, It is possible to concentrate and pressurize to a local site by specifying the size.

Description

TECHNICAL FIELD [0001] The present invention relates to a laminating apparatus having a volume variable pressure pad and a laminating method using the same,

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a laminating apparatus having a variable-pressure pad and a laminating method using the same, and more particularly, And a volume variable pressure pad capable of concentrating pressure on a local site by specifying the position and size of the air bag, and to a laminating method using the same .

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

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

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

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

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

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

However, in the above-mentioned techniques, the curved display device is produced by attaching the roller and the window and the jig to which the panel is seated to adhere the window and the panel, but when the window edge is formed to be orthogonal to the window edge, There is a fatal problem that can not be achieved.

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

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

In the case of attaching the window and the panel using the jig, since the circumferential surface of the panel is in contact with the edge of the window edge during the process of attaching the panel to the window, the gel-like OCA There is a problem in that the reliability of the product is deteriorated.

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

SUMMARY OF THE INVENTION It is an object of the present invention, which has been made in view of the above, to provide a pressure pad which is made of foamed silicone and has an air bag therein to allow the air bag to expand in a vacuum environment so that even pressure laminating operation And a volume variable pressure pad capable of concentrating pressure on a local site by specifying the position and size of the air bag, and a laminating method using the same.

In order to accomplish the above object, the present invention provides a laminating apparatus having a variable-pressure pad, comprising: a vacuum chamber for selectively bringing an inner space into a vacuum state by mutual contact; A window jig disposed in an inner space of the vacuum chamber and on which a window as an object to be fixed is seated; A lifting plate disposed on the lower side of the window jig and installed to be movable up and down so as to attach the panel to the surface of the window; A volume variable pressure pad fixed on an upper surface of the lifting plate and having a volume expanded when the internal space is evacuated by the vacuum chamber so that the panel is pressed toward the window side so that the panel is attached to the window; A plurality of clamper gripping both side ends of the panel so that the panel is disposed between the window jig and the volume variable pressure pad; .

The volume variable pressure pad may be provided with a separate air bag having an expansion rate greater than an expansion rate at which the volume variable pressure pad is expanded when the internal space of the vacuum chamber is in a vacuum state.

The air bladder may be disposed at the upper center of the volume variable pressure pad such that the volume changeable pressure pad is in contact with the window from a central region of the panel by expansion of the volume variable pressure pad.

The clamper may be installed to be movable to the center of the window jig along the width direction of the window jig such that the central region bends the central region of the panel so as to approach the window side.

In addition, a grip member capable of fixing the volume variable pressure pad may be formed on both sides of the upper surface of the lifting plate.

The volume variable pressure pad may be formed of a foamed silicon material having fine pores.

According to another aspect of the present invention, there is provided a laminating method using a laminating apparatus having a variable-pressure pad, comprising: a first step of gripping a panel on the clamper; A second step in which the clamper and the lifting plate are moved up and down so that the panel approaches the window side; A third step in which the volume variable pressure pad expands and the volume variable pressure pad first pressurizes the panel toward the window side; And a fourth step of secondarily pressing the panel toward the window side while the lifting plate is lifted and moved toward the window jig side; .

The plurality of clamper may move in a direction close to each other by a predetermined distance between the first step and the second step so that the central region of the panel is bent toward the window side.

In addition, between the third step and the fourth step, a separate air bag provided inside the volume variable pressure pad is inflated so that the panel is pressed from the central region of the window to both sides have.

As described above, according to the present invention, a laminating apparatus having a variable-volume pressure pad and a laminating method using the same can be formed by forming a pressure pad as a foamed silicone and providing an air bag inside the air bag to expand the air bag in a vacuum environment, The laminating operation of uniform pressure can be performed by the expansion force, and the position and size of the air bladder can be specified and concentrated pressure can be applied to the local area.

1 is a cross-sectional view illustrating the structure of a laminating apparatus having a variable-volume pressing pad according to an embodiment of the present invention,
FIGS. 2A to 2F are operation diagrams sequentially illustrating a laminating method using a laminating apparatus having the variable-volume pressing pad of FIG. 1,
3 is an operation flowchart sequentially illustrating a laminating method using a laminating apparatus having a variable-volume pressing pad according to an embodiment of the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a laminating apparatus having a variable-pressure pad according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

FIG. 1 is a cross-sectional view illustrating a structure of a laminating apparatus having a volume variable pressure pad according to an exemplary embodiment of the present invention. FIGS. 2a to 2f illustrate a laminating method using a laminating apparatus having a variable- FIG. 3 is an operation flowchart sequentially illustrating a laminating method using a laminating apparatus having a variable-volume pressing pad according to an embodiment of the present invention. Referring to FIG.

As shown in these drawings, a laminating apparatus having a variable-volume pressing pad according to an embodiment of the present invention includes a vacuum chamber 100 for selectively bringing the inner space 110 into a vacuum state by mutual contact; A window jig 200 disposed in the inner space 110 of the vacuum chamber 100 and having a window 1 as a cemented object placed on the recess 210; A lifting plate 300 disposed on the lower side of the window jig 200 to be movable up and down so as to attach the panel 2 to the surface of the window 1; When the internal space 110 is vacuumed by the vacuum chamber 100, the volume of the vacuum chamber 100 is expanded and the panel 2 is pressed toward the window 1 by being fixed to the upper surface of the lifting plate 300, A volume variable pressure pad (400) for causing the panel (2) to adhere to the window (1); A plurality of clamper (500) gripping both ends of the panel (2) so that the panel (2) can be disposed between the window jig (200) and the volume variable pressing pad (400); .

The vacuum chamber 100 includes a lower chamber 101 and an upper chamber 102 which form an inner space 110 which is in contact with the outside and which is shielded from the outside and can form an internal space 110 in a vacuum state.

The lower chamber 101 or the upper chamber 102 is moved so that the lower chamber 101 and the upper chamber 102 are coupled to each other to form an inner space 110 which is shielded from the outside, 110 are connected to a separate vacuum pump (not shown) to form the internal space 110 in a vacuum state.

The window jig 200 is disposed in the inner space 110 of the vacuum chamber 100 and a seating groove 210 is formed on a lower surface thereof.

It is preferable that the seating groove 210 is formed in the same shape as the end surface of the window 1 and is seated so that the window 1 is in close contact with the edge of the seating groove 210. At the both ends of the seating groove 210, 1a.

The lifting plate 300 is a member disposed below the window jig 200 at a predetermined distance from the lower surface of the window jig 200 and presses the panel 2 when the panel 2 is attached to the window 1 So as to be able to move up and down.

On both sides of the upper surface of the lifting plate 300, a grip member 310 capable of fixing the volume variable pressing pad 400 is protruded. The volume of the volumetric variable pressing pad 400 is variable. The volume variable pressure pad 400 may be fixed to the lifting plate 300 even if the outer shape of the volume variable pressure pad 400 is deformed.

The volume variable pressure pad 400 is fixedly coupled to the grip member 310 provided on the lifting plate 300 and expanded when the internal space 110 of the vacuum chamber 100 is in a vacuum state, 2 to the window 1 side.

The volume variable pressure pad 400 is formed of a foamed silicon material having fine pores, so that it is effective to allow rapid expansion when the internal space 110 of the vacuum chamber 100 is in a vacuum state.

The volume of the volume variable pressure pad 400 is expanded during the laminating operation so that the panel 2 is pressed toward the window 1 to prevent a concentrated load from being generated at the initial contact portion and a uniform laminating operation There is an effect to be achieved.

The internal volume 110 of the vacuum chamber 100 is connected to the volume variable pressure pad 400 through a separate air bag having an expansion rate larger than the expansion rate at which the volume variable pressure pad 400 is expanded when the internal space 110 of the vacuum chamber 100 is in a vacuum state 410 are disposed.

The air bladder 410 is positioned at the upper center of the volume variable pressure pad 400 so as to be gradually brought into contact with the window 1 from the central area of the panel 2 by the expansion of the volume variable pressure pad 400 .

The air bag 410 is arranged in the upper central area of the volume variable pressure pad 400 while the air bag 410 has an expansion rate larger than the expansion rate of the volume variable pressure pad 400, So that the laminating process can be progressively performed from the region to both sides.

On the other hand, since the top surface of the volume variable pressing pad 400 maintains a flat shape before deformation, it induces a stable seating of the panel 2 and is stable in the movement of the panel 2 for laminating.

The clamper 500 functions to selectively secure the panel 2 to be laminated to the window 1 so that the panel 2 is disposed between the window jig 200 and the volume variable pressure pad 400.

The clamper 500 is installed so as to be movable toward the center of the window jig 200 along the width direction of the window jig 200 so that the central region of the panel 2 is bent toward the window 1 side have.

The clamper 500 is provided so as to be movable at regular intervals so that the central region of the panel 2 is bent so that the central region of the panel 2 is initially contacted with the central region of the window 1, So that an air layer is not formed between the window 1 and the panel 2, so that an accurate laminating operation can be performed.

The laminating method using the laminating apparatus having the above-described configuration having the variable-volume pressing pad according to an embodiment of the present invention will now be described with reference to FIG.

2A, after the panel 2 is gripped on the clamper 500, as shown in Fig. 2B, the plurality of clamper 500 moves in a direction close to each other at regular intervals So that the central region of the panel 2 is bent toward the window 1 side.

2C, when the clamper 500 and the lifting plate 300 are moved up and down (S2) so that the panel 2 approaches the window 1 side, the central region of the panel 2, (1).

The above processes are all performed at atmospheric pressure, and after initial contact with the central area of the window 1 from the central area of the panel 2, gradually lying is performed from the central area of the panel 2 to both sides, 1) and the panel 2 so that an accurate laminating operation can be performed.

2D, when the lower chamber 101 and the upper chamber 102 are brought into contact with each other to allow the inner space 110 of the vacuum chamber 100 to be in a vacuum state, the volume variable pressure pad 400, The central region of the volume variable pressure pad 400 is bulged and the central region of the panel 2 is firstly pressed S3 toward the window 1 side.

2E, a separate air bag 410 provided inside the volume variable pressure pad 400 is inflated to a larger expansion rate than the volume variable pressure pad 400, so that the center of the panel 2 So that the laminating is progressed as the pressing is progressively progressed from the region to both sides.

Finally, as shown in FIG. 2F, when the lifting plate 400 is lifted and moved toward the window jig 200, the panel 2 is secondarily pressed (S4) to the pressure set to the window 1 side, The volume variable pressing pad 400 can concentrate and pressurize the edge 1a formed so that the laminating operation can be accurately performed even in the area of the edge 1a so that the panel 2 can be joined to the window 1 .

The laminating method using the laminating apparatus having the variable-volume pressing pad according to the present invention as described above is characterized in that the pressing pad is formed of foamed silicone and the air bag is provided therein to expand the air bag in a vacuum environment, It is possible to carry out the laminating work of equal pressure and to concentrate and pressurize to the local region by specifying the position and size of the air bag.

It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit or scope of the invention as defined in the appended claims. It is to be understood that both the technical idea and the technical spirit of the invention are included in the scope of the present invention.

1: Window 2: Panel
100: vacuum chamber 110: inner space
200: window jig 210: seat groove
300: lifting plate 310: grip member
400: volume variable pressure pad 410: air bag
500: clamper

Claims (9)

  1. A vacuum chamber (100) for allowing the inner space (110) to be selectively in a vacuum state by mutual contact;
    A window jig 200 disposed in the inner space 110 of the vacuum chamber 100 and having a window 1 as a cemented object placed on the recess 210;
    A lifting plate 300 disposed on the lower side of the window jig 200 to be movable up and down so as to attach the panel 2 to the surface of the window 1;
    When the internal space 110 is vacuumed by the vacuum chamber 100, the volume of the vacuum chamber 100 is expanded and the panel 2 is pressed toward the window 1 by being fixed to the upper surface of the lifting plate 300, A volume variable pressure pad (400) for causing the panel (2) to adhere to the window (1);
    A plurality of clamper (500) gripping both side ends of the panel (2) so that the panel (2) can be disposed between the window jig (200) and the volume variable pressing pad (400); ≪ / RTI &
    The volume variable pressure pad 400 is provided with a separate air bag 400 having an expansion rate greater than the expansion rate at which the volume variable pressure pad 400 is expanded when the internal space 110 of the vacuum chamber 100 is in a vacuum state, (410) are disposed on the upper surface of the laminating unit.
  2. delete
  3. The method according to claim 1,
    The air bladder 410 is disposed at the upper center of the volume variable pressure pad 400 so as to be in contact with the window 1 from the central region of the panel 2 by the expansion of the volume variable pressure pad 400 Wherein the laminating device is a laminated device.
  4. The method according to claim 1,
    The clamper 500 bends the central region of the panel 2 and moves toward the center of the window jig 200 along the width direction of the window jig 200 so that the central region approaches the window 1 Wherein the laminating device is provided with a volume variable pressure pad.
  5. The method according to claim 1,
    And a grip member (310) capable of fixing the volume variable pressure pad (400) is protruded from both sides of the upper surface of the lifting plate (300).
  6. The method according to claim 1,
    Wherein the volume variable pressure pad (400) is formed of a foamed silicon material with micropores. ≪ RTI ID = 0.0 > 41. < / RTI >
  7. A laminating method using a laminating apparatus having a variable-pressure pad according to any one of claims 1 to 6,
    A first step (Sl) of gripping the panel (2) on the clamper (500);
    A second step (S2) in which the clamper (500) and the lifting plate (300) move up and down so that the panel (2) approaches the window (1) side;
    A third step (S3) in which the volume variable pressing pad (400) first pressurizes the panel (2) toward the window (1) while the volume variable pressing pad (400) expands;
    A fourth step S4 of secondly pressing the panel 2 toward the window 1 while the lifting plate 300 is lifted and moved toward the window jig 200;
    Wherein the laminating apparatus comprises a volume variable pressure pad.
  8. 8. The method of claim 7,
    The plurality of clamper (500) moves in a direction close to each other by a predetermined distance between the first step and the second step so that the central region of the panel (2) is bent toward the window (1) Characterized in that the laminating apparatus is provided with a volume variable pressure pad.
  9. 8. The method of claim 7,
    A separate air bag 410 provided inside the volume variable pressure pad 400 is expanded between the third step and the fourth step so that the air bag 410 inflates from the central area of the window 1 to both sides of the panel 2, Wherein the step of pressing the laminating device further comprises the step of pressing the laminating device.
KR1020160042473A 2016-04-06 2016-04-06 Laminating device having press pad for varying volume and laminating method using it KR101653597B1 (en)

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101899936B1 (en) * 2017-01-18 2018-11-08 안성룡 A apparatus for attaching a flexible sheet to a curved glass
KR20190011397A (en) * 2017-07-25 2019-02-07 (주) 나인테크 A apparatus for attaching a flexible display device to a curved window glass
KR101960274B1 (en) * 2017-10-24 2019-03-20 세메스 주식회사 Apparatus for Laminating
KR20190138337A (en) * 2018-06-05 2019-12-13 주식회사 에스에프에이 Vacuum laminator
KR20190138338A (en) * 2018-06-05 2019-12-13 주식회사 에스에프에이 Vacuum laminator
KR20200036312A (en) 2018-09-28 2020-04-07 오정후 Display pannel attachment method and apparatus for edge window using diaphram
US10675849B2 (en) 2016-11-17 2020-06-09 Samsung Display Co., Ltd. Laminating apparatus and manufacturing method of display device
WO2020190088A1 (en) * 2019-03-21 2020-09-24 엘지전자 주식회사 Bonding pad and apparatus for manufacturing bond
KR20200117661A (en) 2019-04-05 2020-10-14 주식회사 톱텍 Laminating press unit and laminating method using same
KR102203395B1 (en) * 2019-03-06 2021-01-18 주식회사 에스에프에이 Vacuum laminator

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KR20140044579A (en) 2012-10-05 2014-04-15 삼성디스플레이 주식회사 Device for bonding window and method for manufacturing display device using the same
KR101413032B1 (en) 2013-11-20 2014-07-02 유진디스컴 주식회사 Touch window attaching apparatus
KR20140139295A (en) 2013-05-27 2014-12-05 삼성디스플레이 주식회사 Device for bonding window and method for manufacturing display device using the same
KR101486861B1 (en) 2014-04-18 2015-01-30 주식회사 트레이스 A device for laminating on a curved cover glass using rollers
KR101578442B1 (en) * 2015-04-22 2015-12-21 (주)제이스텍 Attaching apparatus of edge window and pannel using diaphragm
KR101588600B1 (en) * 2015-07-23 2016-02-01 주식회사 톱텍 bonding device for window, bonding method using it

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KR20140044579A (en) 2012-10-05 2014-04-15 삼성디스플레이 주식회사 Device for bonding window and method for manufacturing display device using the same
KR20140139295A (en) 2013-05-27 2014-12-05 삼성디스플레이 주식회사 Device for bonding window and method for manufacturing display device using the same
KR101413032B1 (en) 2013-11-20 2014-07-02 유진디스컴 주식회사 Touch window attaching apparatus
KR101486861B1 (en) 2014-04-18 2015-01-30 주식회사 트레이스 A device for laminating on a curved cover glass using rollers
KR101578442B1 (en) * 2015-04-22 2015-12-21 (주)제이스텍 Attaching apparatus of edge window and pannel using diaphragm
KR101588600B1 (en) * 2015-07-23 2016-02-01 주식회사 톱텍 bonding device for window, bonding method using it

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10675849B2 (en) 2016-11-17 2020-06-09 Samsung Display Co., Ltd. Laminating apparatus and manufacturing method of display device
KR101899936B1 (en) * 2017-01-18 2018-11-08 안성룡 A apparatus for attaching a flexible sheet to a curved glass
KR20190011397A (en) * 2017-07-25 2019-02-07 (주) 나인테크 A apparatus for attaching a flexible display device to a curved window glass
KR101962365B1 (en) 2017-07-25 2019-07-17 (주) 나인테크 A apparatus for attaching a flexible display device to a curved window glass
KR101960274B1 (en) * 2017-10-24 2019-03-20 세메스 주식회사 Apparatus for Laminating
KR102092019B1 (en) * 2018-06-05 2020-03-23 주식회사 에스에프에이 Vacuum laminator
KR20190138338A (en) * 2018-06-05 2019-12-13 주식회사 에스에프에이 Vacuum laminator
KR102093653B1 (en) * 2018-06-05 2020-03-26 주식회사 에스에프에이 Vacuum laminator
KR20190138337A (en) * 2018-06-05 2019-12-13 주식회사 에스에프에이 Vacuum laminator
KR20200036312A (en) 2018-09-28 2020-04-07 오정후 Display pannel attachment method and apparatus for edge window using diaphram
KR102203395B1 (en) * 2019-03-06 2021-01-18 주식회사 에스에프에이 Vacuum laminator
WO2020190088A1 (en) * 2019-03-21 2020-09-24 엘지전자 주식회사 Bonding pad and apparatus for manufacturing bond
KR20200117661A (en) 2019-04-05 2020-10-14 주식회사 톱텍 Laminating press unit and laminating method using same

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