KR102303093B1 - Apparatus for bonding the tap of display pannel - Google Patents

Abstract

An objective of the present invention is to provide an apparatus for bonding a tap of a display panel capable of easily performing a tap boding work with respect to various sizes and various types of display panels without errors. The apparatus for bonding a tap of a display panel comprises: a body part including a lower base having a plurality of support frames on which the display panel is placed, including an upper base to which a first actuator is fixed, including a fixed plate body coupled with one pair of connection plate bodies to connect the lower base with the upper base, and including a moving plate body reciprocating in a vertical direction along a vertical rail of the upper base by a drive force of the first actuator to form a press bonding space; a press part including a plurality of second actuators coupled with a first guider assembled with a first horizontal rail of the moving plate body, including a plurality of vertical moving frames coupled with a second guider assembled with a second horizontal rail of the fixed plate body, connected with the second actuator through a pressurizes body coupled with a third guider assembled with a vertical rail of the vertical moving frame, and including a plurality of press heads having a hot bar heated as power is applied to provide heat press force to a plurality of taps; and a variant part including a third actuator to rotate one end of a screw shaft provided at the fixed plate body, including a horizontal moving frame coupled with a moving block screwed with the screw shaft, including a plurality of connection frames having each one end connected with a plurality of vertical moving frames and exposed to the outside through an opening portion of the fixed plate body, and including a fixture provided at the horizontal moving frame to be selectively jammed with one of the plurality of connection frames to change intervals between adjacent press heads.

Description

Apparatus for bonding the tap of display pannel}

The present invention relates to an apparatus for bonding tabs to a display panel, and more particularly, varying the interval between adjacent heating press heads according to the size of the interval between adjacent tab bonding units at a predetermined interval on one edge of the display panel. The present invention relates to a tab bonding apparatus for a display panel that can perform tab bonding for various sizes and types of display panels without defects and flexibly and smoothly.

In general, a display device such as a PDP, LCD, or OLED drives a display panel to output an image, and the display panel is driven and controlled by a plurality of mounted driving ICs.

A method of mounting such a driving IC on a display panel is largely divided into a COG (Chip On Glass) mounting method and a TAB (Tape Automated Bonding) mounting method.

The SiG mounting method is a method in which the driver IC is directly mounted on the gate area and data area of the liquid crystal panel without a separate structure.

In the TAB mounting method, TAB-IC (hereinafter referred to as TAB), which is a tape carrier package equipped with a driving IC, is used through an anisotropic conductive film (ACF) to form a display panel and a printed circuit electronic component ( By firmly connecting both sides of the PCB), the driver IC can quickly perform the function assigned to it.

At one end of the display panel, a tab bonding unit for bonding the tab is formed stepwise, the tab bonding unit is provided with a plurality of electrode terminals, and the tab is a tab for electrically connecting to the electrode terminals of the tab bonding unit. A terminal is formed.

A process of bonding the tab terminals of the tab and the electrode terminals of the display panel to be electrically connected is referred to as a tab bonding process.

That is, in the process of mounting the tab on the display panel, the electrode terminal of the display panel and the tab terminal of the tab are electrically connected through an anisotropic conductive film (ACF) as a medium, and the electrode of the display panel with the anisotropic conductive film interposed therebetween. After aligning the terminals and tabs one-to-one, press bonding is performed using a pressure bonding unit such as a pressure head, and bonding bonding is performed using a hot bar or heater block thermocompression bonding process. was bonded and attached to the tab bonding part of the display panel.

(Patent Document 1) KR10-2009-0090762 A

In Patent Document 1, in a tab and PCB pressure bonding apparatus using an anisotropic conductive film, which is a material for bonding and bonding fine electrical circuits during the module production process of a flat panel display, the pressure bonding apparatus is provided with a pressure device on the top, , The heating tool is coupled to the lower portion of the pressure device, the heating tool tip is formed in a shape protruding to the outside from the inner space of the heating tool, the heating tool tip to replace the cushioning sheet for compression bonding at the lower end of the heating Disclosed is a bonding apparatus using an anisotropic conductive film, characterized in that it is provided with a silicon pad used by directly fastening to a tool tip.

However, as the size of the display panel becomes larger, the number of tabs that are tab bonded to one edge of the display panel increases, and at the same time, the interval between the tabs bonded to the tab bonding unit formed at regular intervals is not uniform. Various sizes can be set according to the type of panel, design, and functions to be added to the display panel.

Accordingly, in the case of a known tab bonding device manufactured according to a uniformly set size between a plurality of tab bonding units adjacent to each other at one edge of the display panel and a one-to-one corresponding heating pressure head, a display having various sizes Since it is impossible to perform the tab bonding operation on the panel, and the tab bonding device must be installed and operated according to the size of the display panel and the interval between the tab bonding units, there is a limit in increasing the facility maintenance cost and reducing the manufacturing cost.

There was a need to vary the interval between the tab bonding unit and a plurality of heating and pressing heads corresponding one-to-one to match the interval between different tab bonding units provided in various types of display panels.

Therefore, the present invention is to solve the above-described problems, the purpose of which is to set the interval between adjacent heating press heads according to the size of the spacing between the tab bonding parts adjacent to each other at a predetermined interval on one edge of the display panel. An object of the present invention is to provide a tab bonding apparatus for a display panel that can perform tab bonding for various sizes and types of display panels by changing it flexibly and smoothly without defects.

The technical problems to be achieved in the present invention are not limited to the technical problems mentioned above, and other technical problems not mentioned will be clearly understood by those of ordinary skill in the art to which the present invention belongs from the following description. will be able

As a specific means for achieving the above object, a preferred embodiment of the present invention is an apparatus for bonding a plurality of tab bonding portions formed along one end edge of a display panel and a plurality of tabs corresponding one-to-one to an apparatus for bonding by thermocompression bonding. In the following, it has a lower base having a plurality of pedestals on which the display panel is mounted, an upper base to which the first actuator is fixed, and a pair of connecting plate bodies connecting the lower base and the upper base. a body part having a fixed plate body and having a moving plate body that is vertically and reciprocally moved along the vertical rail of the upper base by the driving force of the first actuator to form a pressure bonding space between the lower base and the upper base; Equipped with a plurality of second actuators coupled to the first guider assembled to the first horizontal rail of the moving plate body, and a plurality of vertical moving tables coupled to the second guider assembled to the second horizontal rail of the fixed plate body, It is connected to the second actuator through a pressing body coupled to the third guider assembled to the vertical rail of the vertical moving table, and equipped with a plurality of pressing heads having a hot bar that is heated when power is applied to correspond to a plurality of tab bonding units a pressing unit that applies thermocompression force to a plurality of tabs; and a third actuator for rotationally driving one end of the screw shaft provided in the fixed plate body, and having a horizontal moving table coupled to a moving block screwed with the screw shaft, each end connected to the plurality of vertical moving tables, A plurality of connecting rods exposed to the outside through the opening of the fixing plate body are provided, and a fastener provided on the horizontal moving rod to be selectively caught and constrained with any one of the plurality of connecting rods is provided, the spacing between the adjacent pressing heads It provides a tab bonding apparatus for a display panel, characterized in that it comprises a variable portion for changing the.

In this case, the main body includes a block for moving a pedestal that is slidably assembled in a horizontal direction to a horizontal guide rail fixedly installed on the front surface of the lower base, and one end of the pedestal may be connected to the block for moving the pedestal.

In this case, the main body may be provided with a plurality of optical cameras on the front side of the lower base to check whether the display panel mounted on the pedestal enters or not and the bonding position.

In this case, the fixture may include a fourth actuator for reciprocating a locking rod of a predetermined length in which a front end is correspondingly and selectively hooked to a locking groove recessed at each end of the plurality of connecting rods.

At this time, the variable part generates a fixing force by contacting the fixed plate body with an extension extending vertically from the lower surface of each end of each of the plurality of connecting rods to generate a fixing force, or a fifth actuator that moves the contact bar forward and backward to release the fixing force. may include

In this case, the horizontal moving table may include at least one sensing plate, and each upper surface of the plurality of connecting rods may include a sensor member for generating a sensing signal in one-to-one correspondence with the sensing plate.

At this time, a film supply unit for supplying a buffer film between the tab bonding unit and the hot bar, wherein the film supply unit includes an unwinding roll for unwinding and supplying a buffer film wound on one side of the body part, and on the other side of the body part It may include a winding roll on which the buffer film used during bonding bonding is wound.

According to the preferred embodiment of the present invention as described above, there are the following effects.

The tab bonding operation of bonding the tab to the tab bonding unit of the display panel by easily and quickly adjusting and changing the interval between the adjacent pressing heads according to the size of the interval between the tab bonding units of the display panel having a variety of sizes is a process of equipment replacement. Since it can be carried out smoothly and without defects, the effect of reducing the manufacturing cost while reducing the facility maintenance cost is obtained to increase price competitiveness.

1A and 1B are overall perspective views illustrating a tab bonding apparatus of a display panel according to an embodiment of the present invention.
2 is a front view illustrating a tab bonding apparatus of a display panel according to an embodiment of the present invention.
3 is a side view illustrating a tab bonding apparatus of a display panel according to an embodiment of the present invention.
4A and 4B are partial detailed views illustrating a pressing part and a variable part of a tab bonding apparatus of a display panel according to an embodiment of the present invention.
5 is a perspective view illustrating a pressing part and a variable part of a tab bonding apparatus of a display panel according to an embodiment of the present invention.

Hereinafter, with reference to the accompanying drawings, a preferred embodiment in which a person of ordinary skill in the art to which the present invention pertains can easily practice the present invention will be described in detail. However, in the detailed description of the structural principle of a preferred embodiment of the present invention, if it is determined that a detailed description of a related known function or configuration may unnecessarily obscure the gist of the present invention, the detailed description thereof will be omitted.

In addition, the same reference numerals are used throughout the drawings for parts having similar functions and functions.

In addition, throughout the specification, when a part is 'connected' with another part, it is not only 'directly connected' but also 'indirectly connected' with another element interposed therebetween. include In addition, 'including' a certain component does not exclude other components unless otherwise stated, but means that other components may be further included.

As shown in FIGS. 1A and 1B , the tab bonding apparatus 100 for a display panel according to a preferred embodiment of the present invention provides electrode terminals of a plurality of tab bonding units provided along the edge of one end of a display panel having various sizes. It may include a body portion 110, a pressing portion 120, and a variable portion 130 to bond the tab terminals of several tabs temporarily fixed in one-to-one correspondence with the anisotropic conductive film by thermocompression bonding.

As shown in FIGS. 1A, 1B and 2 and 3 , the main body 110 includes a pedestal 119 on one side of which a display panel, which is a work object, is transported from a previous process and raised horizontally at a predetermined interval on one side. It includes a plurality of lower bases 111 installed on the bottom surface, and an upper base 113 for fixing at least one first actuator 114 to an upper end thereof.

The main body 110 includes a pair of connecting plate bodies 112 connecting between the lower base and the upper base, and both ends are connected to the pair of connecting plate bodies to correspond to the pedestal. It includes a fixed plate body 116 in the shape of a substantially square plate perpendicular to the front surface of the.

A moving plate body having a guider 115a assembled with a vertical rail 113a provided on the front surface of the upper base 113 and moving up and down reciprocally along the vertical rail 113a by the driving force of the first actuator 114 ( 115), the tab bonding part of the display panel and the anisotropic film are interposed between the lower jig 111a provided on the upper surface of the lower base and the movable plate body 115 assembled to be vertically movable on the front surface of the upper base. to form a space for bonding the tab terminals of the tabs temporarily fixed with

The first actuator 114 provides a driving force for vertically moving the moving plate body by rotating in the forward or reverse direction a screw shaft of a certain length screwed with the female screw hole of the screw block fixedly installed on the rear surface of the moving plate body 115 . It is preferable to be provided with a motor member that does.

And, the main body 110 includes a pedestal movement block 118a that is slidably assembled in the horizontal direction to the horizontal guide rail 118 fixedly installed on the front surface of the lower base 111, and the pedestal ( 119) is connected to the block for moving the pedestal and installed horizontally, so that the distance between adjacent pedestals is adjusted in the horizontal direction according to the size of the display panel to stably support the pedestal according to the size of the display panel as the work object. can

At this time, a plurality of contact members 119a made of a resin material such as rubber are replaceably provided on the upper surface of the pedestal 119 on which the display panel is mounted so as to absorb shock while preventing damage to the surface of the display panel. It is preferable to do

In addition, the main body 110 is placed on the pedestal 119 to place a plurality of optical cameras 117 on the lower front of the lower base 111 to check whether or not the display panel waiting for bonding has entered and the bonding position. It may be provided by installing at a lower position than the pedestal.

Accordingly, by the driving force of the first actuator, the moving plate body moves vertically along with the pressing part and the variable part from the front surface of the upper base in the vertical direction while pressing against the lower jig provided on the upper surface of the lower base. The bonding operation is performed by moving the pressure head provided in the unit vertically.

As shown in Figs. 4a, 4b and 5, the pressing unit 120 is assembled to be slidably movable in the horizontal direction to the first horizontal rail 115b provided on the front surface of the moving plate body 115. A plurality of second actuators 122 coupled to one guider 121 may be included.

A second guider 126 having a second horizontal rail 116a parallel to the first horizontal rail 115b on the rear surface of the fixing plate body 116, and slidably assembled to the second horizontal rail in a horizontal direction. ) and includes a plurality of vertical movable bars 125 coupled to.

A pressing body 123 coupled with a third guider 127 that is slidably assembled to a vertical rail 125a provided on one side of the vertical moving table 125 is provided, and the pressing body 123 is provided. It may include a plurality of pressing heads 124 connected to the second actuator through the.

The plurality of pressure heads 124 are provided at the end of the display panel by replacing the hot bar 124a heated when power is applied to each lower end corresponding to the lower jig 111a of the lower base 111 . A thermocompression bonding force is applied through a hot bar that is lowered so as to be in contact with a plurality of tabs temporarily fixed through an anisotropic film in correspondence with the plurality of tab bonding portions to be formed.

The second actuator 122 may be provided as a cylinder member in which an upper end is connected to the first guider 121, and a rod tip is connected to the upper end of the pressing body 123 and a coupler 123a as a medium. .

Accordingly, when the pressing body connected to the vertical rail and the third guider via the second actuator is vertically moved in the vertical direction, the pressing head having the hot bar at the lower end is a plurality of tabs of the display panel. The bonding part and the anisotropic film are moved up and down in the vertical direction to perform a thermocompression bonding bonding operation process between a plurality of tabs temporarily fixed in a one-to-one correspondence with the anisotropic film.

The variable part 130 includes a screw shaft 131 of a certain length that is rotatably assembled at both ends on the front surface of the fixed plate body 116, and is connected to one end of the screw shaft to the screw shaft 131 . and a third actuator 133 for rotationally driving in the forward or reverse direction, and a horizontal moving table 136 coupled with a moving block 132 that forms a female thread screwed with the screw shaft 131 in the center of the body. may include

The third actuator 133 is provided as a drive motor to which one end of the screw shaft and the drive shaft are connected, and the moving block 132 is horizontally disposed on the third horizontal rail 116c provided horizontally on the front surface of the fixed plate body. It is coupled with a fourth guider 137 , which is slidably assembled as a

A plurality of connecting rods 134, each end of which is connected to the plurality of vertical moving rods 125, has an opening 116b cut in a substantially straight shape so as to be parallel to the second horizontal rail 116a in the fixing plate body 116. The other end is exposed to the outside through

When the third actuator is operated, there is a one-to-one correspondence with any one of the plurality of connecting rods 134 on the horizontal moving unit 136 that is moved in the horizontal direction together with the moving block so as to selectively engage and constrain the horizontal moving unit. By having the fixture 135 provided on the moving table 136, it is possible to vary the spacing between the pressing heads adjacent to each other in the plurality of pressing heads disposed directly above the lower jig of the lower base.

The fixture 135 is a locking groove 134a recessed in each end of the plurality of connecting rods 134 and a locking rod 135b of a predetermined length in which the tip is selectively hooked in correspondence with the locking rod 135b in a forward and backward direction by reciprocating the locking. It may include a fourth actuator (135a) for constraining or releasing the locking between the groove and the locking bar.

The fourth actuator (135a) is provided as a cylinder member fixedly installed on a vertical extension extending vertically from the lower surface of one end of the horizontal movement table (136), and the locking rod is a vertical extension on which the fourth actuator is fixedly installed. It is preferable to be reciprocally assembled to a bush member provided on another vertical extension in parallel with the stand.

In addition, the variable part 130 is in contact with the front end and the front end of the fixing plate body to an extension extending vertically from the lower surface of one end of each of the plurality of connecting rods 134 to generate a fixing force or to be spaced apart to release the fixing force. A fifth actuator 138 for moving the bar 138a forward or backward may be included.

Here, the fifth actuator 138 is preferably provided as a cylinder member having the contact bar at the end of the rod and being fixedly installed on the extension.

And, at least one sensing plate 139a bent at an approximately right angle is provided on the horizontal moving table 136, which is moved in the horizontal direction by the operation of the third actuator, and on each upper surface of the plurality of connecting rods 134, the It may include a sensor member 139 for generating a detection signal in case of a one-to-one correspondence with the moving sensing plate together with the horizontal moving table.

At this time, the plurality of sensor members provided on each upper surface of the plurality of connecting rods 134 independently horizontally move only the connecting rod corresponding to the pressing head to be horizontally moved according to the interval of the tab bonding part of the display panel, which is an object, and pressurize it. It is preferable that the control unit selectively perform sensing control so as to adjust the spacing between the heads.

As the horizontal moving table is moved in the horizontal direction by the driving force of the third actuator, the sensing member generates a sensing signal in one-to-one correspondence with the sensor member that is selectively sensed and controlled.

By the detection signal of the sensor member, the driving force of the third actuator is temporarily stopped and at the same time, the fourth actuator 135a of the fixture 135 is moved forward. On the other hand, the fifth actuator 138 is operated backward and return, so that the connecting rod 134 having a corresponding sensor member is spaced apart from the contact bar 138a and the fixing plate body, so that the position fixing force is released. do.

Accordingly, the position fixing force is released by the contact bar of the connecting rod caught by the fastener, and in this state, the moving block coupled to the screw shaft rotated in one direction by the rotational driving force of the third actuator moves in the horizontal direction. is moved

At the same time, the horizontal carrier coupled to the moving block and the connecting rod hooked thereto are moved in the horizontal direction, and in conjunction with this, the vertical carrier coupled to the connecting rod and the pressing body coupled thereto can be horizontally moved by a preset distance. Therefore, it is possible to adjust the spacing between the hot bars of the pressing heads provided on the pressing bodies adjacent to each other to match the spacing between the tab bonding parts of the display panel mounted on the pedestal.

And, when the adjustment of the spacing between the hot bars of the adjacent pressing heads is completed in accordance with the spacing between the tab bonding portions of the display panel, the driving of the third actuator is stopped and the fourth actuator is moved backward by the backward return of the fixture. On the other hand, the locking restraint of the horizontal moving bar by the holding bar is released, and the position of the horizontally moving connecting bar is fixed by the contact between the contact bar and the fixed plate body by the forward return of the fifth actuator.

On the other hand, a film supply unit 140 for supplying a buffer film between the tab bonding unit of the display panel and the tab temporarily fixed via the anisotropic film and the hot bar of the pressure head is included, and the film supply unit 140 is the It may include an unwinding roll 141 on which the buffer film wound on one side of the main body is unwound, and a take-up roll on which the buffer film is wound on the other side of the main body 110 .

The unwinding roll 141 is a roll member provided on one side of the main body 110 so as to unwind and supply a buffer film wound in a scroll shape in one direction, and the winding roll is temporarily fixed to the tab bonding portion of the display panel. It is a roll member provided on the other connecting plate body of the pair of connecting plate bodies so as to be supplied between the tap and the hot bar of the pressing head.

A buffer film used to absorb the impact force during hot pressing is wound in the form of a roll on the take-up roll.

The release roll 141 is connected to a drive shaft of an actuator 142 for loosening, such as a drive motor provided on a first fixing plate 143 fixedly installed on one connection plate body among a pair of connection plate bodies constituting the main body. It is to unwind and supply the buffer film in one direction while rotating in one direction, in the unwinding direction, and in the counterclockwise direction in the drawing by the driving force of the actuator.

In addition, the extension plate 143a extending directly below the first fixing plate 143 moves relative to the fixed roller fixedly installed so that the buffer film is guided while circumscribing, and the buffer film is wound and the direction is changed. It includes a moving roller (144).

The extension plate 143a may include a guide slit in which the roller shaft of the moving roller is disposed and is cut in a vertical direction so as to be guided.

The winding roll is connected to a drive shaft of an actuator 145 for winding, such as another driving motor provided on a second fixing plate 146 fixedly installed on the other connection plate body among a pair of connection plate bodies constituting the main body part, and thereby for the winding By the driving force of the actuator, it is rotated in one direction, the winding direction, and in the clockwise direction in the drawing, and the buffer film used in the hot bar press is wound and collected for a certain length.

A buffer film that includes a drop discharge chute 109 provided to be inclined at a certain angle under the second fixing plate 146 provided with the take-up roll, and is wound on the take-up roll and collected through an open inlet of the drop discharge chute. can be easily discharged to the outside by dropping

The release roll 141 is connected to a drive shaft of an actuator 142 for loosening, such as a drive motor provided on a first fixing plate 143 fixedly installed on one connection plate body among a pair of connection plate bodies constituting the main body. It is to unwind and supply the buffer film in one direction while rotating in one direction, in the unwinding direction, and in the counterclockwise direction in the drawing by the driving force of the actuator.

Accordingly, in a state in which the spacing between the hot bars of the adjacent pressing heads is adjusted to match the spacing between the tab bonding parts of the display panel, the tab is temporarily fixed to the tab bonding unit and the hot bar is released from the release roll. A buffer film is disposed.

In this state, when the moving plate body and the pressing unit are lowered by the first actuator and the plurality of hot bars are lowered together with the plurality of pressing heads provided in the pressing unit, power is applied while the hot bar is compressed with the tab through the buffer film. A pressing force of a certain intensity is transferred to the anisotropic film between the tab and the tab bonding unit for a predetermined time by a hot bar heated at the time to perform a bonding bonding process. The lowered hot bar is raised and returned so that the tab bonding unit and the tab are bonded to each other by raising and returning the pressing unit.

Then, when the hot press by each hot bar of the plurality of pressure heads is finished, the buffer film used during hot press is wound on a take-up roll and collected.

The present invention described above is not limited by the above-described embodiments and the accompanying drawings, and it is common in the technical field to which the present invention pertains that various substitutions, modifications, and changes are possible without departing from the technical spirit of the present invention. It will be clear to those who have the knowledge of

110: body part
111: lower base 112: connecting plate body
113: upper base 115: moving plate body
120: pressurizing part
121: first guider 122: second actuator
123: press body 124: press head
125: vertical carrier
130: variable part
131: screw shaft 132: moving block
133: third actuator 134: connecting rod
135: fixture 136: horizontal carrier
140: film supply unit
141: unwind roll 143: first fixed plate
144: moving roller 146: second fixed plate

Claims (7)

An apparatus for bonding a plurality of tab bonding portions formed along one end edge of a display panel and a plurality of tabs corresponding one-to-one to each other by thermocompression bonding, the apparatus comprising:
A fixed plate body having a lower base having a plurality of pedestals on which the display panel is mounted, an upper base to which the first actuator is fixed, and coupled to a pair of connecting plate bodies connecting between the lower base and the upper base a body part having a movable plate body that is vertically and reciprocally moved along the vertical rail of the upper base by the driving force of the first actuator to form a pressure bonding space between the lower base and the upper base;
Equipped with a plurality of second actuators coupled to the first guider assembled to the first horizontal rail of the moving plate body, and a plurality of vertical moving tables coupled with the second guider assembled to the second horizontal rail of the fixed plate body, It is connected to the second actuator through a pressing body coupled to the third guider assembled to the vertical rail of the vertical moving table, and equipped with a plurality of pressing heads having a hot bar that is heated when power is applied to correspond to a plurality of tab bonding units a pressing unit that applies thermocompression force to a plurality of tabs; and
A third actuator for rotationally driving one end of the screw shaft provided in the fixed plate body is provided, and a horizontal moving table coupled to a moving block screw-coupled to the screw shaft is provided, and each end is connected to the plurality of vertical moving tables. Equipped with a plurality of connecting rods exposed to the outside through the opening of the fixing plate body, and equipped with a fixture provided on the horizontal moving rod so as to be selectively caught with any one of the plurality of connecting rods, the spacing between the adjacent pressing heads It includes a variable portion that changes,
The main body includes a pedestal moving block that is slidably assembled in a horizontal direction on a horizontal guide rail fixedly installed on the front surface of the lower base, and one end of the pedestal has an interval between adjacent pedestals according to the size of the display panel. is connected to the block for moving the pedestal so that it can be adjusted in the horizontal direction,
A plurality of contact members made of a resin material are provided on the upper surface of the pedestal to absorb impact while preventing damage to the surface of the display panel,
Tab bonding of the display panel, characterized in that the main body part is provided with a plurality of optical cameras for checking whether the display panel mounted on the pedestal enters or not and the bonding position is installed at a lower position than the pedestal on the front lower part of the lower base. Device. delete delete According to claim 1,
The fixture includes a fourth actuator for reciprocating a locking rod of a predetermined length in which a front end is selectively hooked and a locking groove recessed at each end of the plurality of connecting rods is connected to each other. bonding device. According to claim 1,
The variable portion includes a fifth actuator that generates a fixing force by contacting the fixed plate body with an extension extending vertically from the lower surface of one end of each of the plurality of connecting rods or moves the contact bar forward and backward to release the fixing force by being spaced apart. Tab bonding device of the display panel, characterized in that. According to claim 1,
The horizontal moving unit includes at least one sensing plate, and each upper surface of the plurality of connecting rods includes a sensor member for generating a sensing signal in a one-to-one correspondence with the sensing plate. 7. The method according to any one of claims 4 to 6,
and a film supply unit for supplying a buffer film between the tab bonding unit and the hot bar, wherein the film supply unit includes an unwinding roll for unwinding and supplying a buffer film wound on one side of the body unit, and bonding to the other side of the body unit. A tab bonding device for a display panel, characterized in that it comprises a winding roll on which the used buffer film is wound.

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