KR101720010B1 - Supplying apparatus for mold frame in back light unit - Google Patents

Supplying apparatus for mold frame in back light unit Download PDF

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Publication number
KR101720010B1
KR101720010B1 KR1020150104047A KR20150104047A KR101720010B1 KR 101720010 B1 KR101720010 B1 KR 101720010B1 KR 1020150104047 A KR1020150104047 A KR 1020150104047A KR 20150104047 A KR20150104047 A KR 20150104047A KR 101720010 B1 KR101720010 B1 KR 101720010B1
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KR
South Korea
Prior art keywords
mold frame
protective film
backlight unit
film
supply device
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Application number
KR1020150104047A
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Korean (ko)
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KR20170011429A (en
Inventor
손영곤
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(주)소닉스
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Priority to KR1020150104047A priority Critical patent/KR101720010B1/en
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    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/1303—Apparatus specially adapted to the manufacture of LCDs

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  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mathematical Physics (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Liquid Crystal (AREA)

Abstract

The present invention relates to a mold frame feeder, and more particularly, to a mold frame feeder which is capable of separating a protective film from a film material to which a protective film is attached, and supplying the protective film to a working position in a state in which an adhesive surface of the protective film is exposed. An automatic positioner capable of gripping an upper surface of a mold frame on which work objects are stacked and moving the mold frame to an upper side of a protective film supplied to the working position; And a control device for controlling each operation of the protective film feeder and the automatic positioner, wherein the automatic positioner is disposed at a position where the lower surface of the mold frame corresponds to the adhesive surface of the protective film moved to the working position After the mold frame is positioned so as to face the mold frame, the protective film is attached to the lower surface of the mold frame through the downward movement of the mold frame.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a mold frame supply device for a backlight unit,

The present invention relates to an apparatus for attaching and supplying a protective film to a lower surface of a mold frame serving as a base of a backlight unit.

BACKGROUND ART [0002] A variety of electronic devices including a liquid crystal display device capable of displaying a screen, such as a cellular phone, a display panel, and the like are equipped with a backlight unit for diffusing and illuminating light.

BACKGROUND ART Generally, a backlight unit includes a flexible printed circuit board (FPCB) that irradiates light through an LED element to a predetermined laminated space provided on one side of a mold frame as a base, A light guide plate, a diffusion film, a prism, and the like are laminated on one another.

The backlight unit assembling apparatus for producing the backlight unit by sequentially assembling work objects such as a reflection plate, a light guide plate, a diffusion film, a prism, and a flexible circuit board in accordance with a predetermined laminating process sequence utilizing the laminating space formed in the mold frame, A plurality of work objects are stacked on the mold frame by grasping the workpiece and moving the workpiece into the stacking space provided on the mold frame from above the mold frame.

In this regard, prior art documents related to the prior art for assembling a backlight unit by stacking various work objects on the basis of a mold frame include a backlight assembly having a protective film and a backlight assembly using such a backlight assembly disclosed in Korean Patent Application No. 10-2008-0038920 A method of assembling a liquid crystal display device "(hereinafter referred to as " prior art ").

However, the assembled backlight unit is not used immediately in connection with the assembly process of the backlight unit assembled in the liquid crystal display device, but is provided as one finished product and is used to assemble the liquid crystal display device It is supplied to the operator.

Therefore, it is very important to protect the state of the backlight unit so that the backlight unit is supplied to various places after assembly is completed and used for assembling the liquid crystal display device. To this end, in the process of assembling the backlight unit, Not only the upper surface of the backlight unit in which the objects are stacked but also the lower surface of the backlight unit is attached with a protective film so that the space for the backlight unit can be moved to a safe state.

In other words, since the protective film is attached to the upper and lower outermost sides of the backlight unit, the state of the backlight unit is not damaged from the time when the backlight unit is assembled to the time when the completed backlight unit is used for assembling the liquid crystal display An operator who intends to assemble the liquid crystal display device using the backlight unit removes the protective film attached to the backlight unit before assembling the liquid crystal display device.

The protective film attached to the lower surface of the mold frame among the protective films attached to protect the state of the backlight unit is different from the various work objects in which the surface of the mold frame contacting with the mold frame is laminated on the mold frame, The assembling process using the conventional backlight unit assembling apparatus, including the conventional art, is performed by shifting the phase of the mold frame so that the phase of the mold frame is shifted There is a problem that the whole process of assembling the entire backlight unit becomes complicated and the working efficiency also decreases.

SUMMARY OF THE INVENTION The present invention has been made in order to solve the above problems, and it is an object of the present invention to provide a method of manufacturing a mold frame by attaching a protective film to a lower surface of a mold frame in a first grip state, There is provided a mold frame supply apparatus including a mold frame in which a protective film is attached to a work table on which a process for stacking objects is performed,

In order to achieve the above object, a mold frame feeding apparatus for a backlight unit according to the present invention comprises: a protective film feeder capable of separating a protective film from a film material having a protective film attached thereto, An automatic positioner capable of gripping an upper surface of a mold frame on which work objects are stacked and moving the mold frame to an upper side of a protective film supplied to the working position; And a control device for controlling each operation of the protective film feeder and the automatic positioner, wherein the automatic positioner is disposed at a position where the lower surface of the mold frame corresponds to the adhesive surface of the protective film moved to the working position After the mold frame is positioned so as to face the mold frame, the protective film is attached to the lower surface of the mold frame through the downward movement of the mold frame.

Here, the film material may include a plurality of protective films adhered to the lower surface of the upper film and the lower surface of the upper film with a predetermined gap, A material roller rotating in one direction so as to be released; A protective film supply unit for gripping and separating the protective film attached to the upper peeling paper of the film material released from the material rollers and moving the protective film to the working position; And a first collection roller that is rotated in one direction so that the upper peeling paper separated by the protective film by the protective film supply unit is wound and recovered.

Further, the film material mounted on the material roller is released in a state in which the holding surface of the protective film is directed downward and the adhering surface of the protective film is directed upward, and the protective film supply unit includes a film material And the protective film is gripped from the lower side to move to the working position without being shifted up and down with respect to the phase of the separated protective film.

In addition, the controller controls the material roller and the first collecting roller to move the film material one pitch at a constant pitch, which is formed by a plurality of protective films attached to the upper peeling paper of the film material, And controls the rotation of the material roller and the first collection roller.

The film material may further include a lower peeling paper attached to the lower surface of the upper peeling paper to which a plurality of protective films are not attached or attached to the lower surface of the upper peeling paper with a plurality of protective films therebetween, The apparatus further comprises a second collection roller that is rotated in one direction so that the lower release paper is wound and recovered from the film material released from the material roller, The protective film attached to the upper peeled paper is gripped and separated.

The automatic positioner includes a mobile robot for gripping and moving a mold frame; And a first feeder for feeding a mold frame having an upper surface exposed to the side of the mobile robot to the mobile robot, wherein the control device grasps the upper surface of the mold frame supplied through the first feeder, So that the protective film supplied to the work position can be adhered to the lower surface of the mold frame.

The automatic positioning apparatus may further include a second feeder for feeding the mounted mold frame to a work table on which a stacking process for stacking the work objects on the upper surface of the mold frame is performed, The mobile robot is controlled so that the mold frame with the protective film attached thereto can be seated on the second feeder without shifting the phase of the mold frame up and down with the upper surface of the frame held.

Here, the mobile robot may include a picker capable of gripping or releasing the mold frame; A first moving element capable of horizontally reciprocating between a position for grasping the mold frame supplied through the first feeder and the upper side of the protective film supplied to the working position; A second moving element capable of moving the picker in a direction perpendicular to a reciprocating direction and a horizontal plane of the picker by the first moving element; And a lifting element capable of moving the picker in a direction perpendicular to the horizontal plane.

The mold frame supply device may include a camera system installed to precisely attach the mold frame on which a protective film is attached through a downward movement of the mold frame to the upper side of the protective film moved to the work position by the automatic positioner, ; ≪ / RTI >

The camera system includes a camera for photographing the mutually corresponding states of the protective film moved to the working position and the mold frame moved upward of the protective film supplied to the working position on the basis of the vertical direction, The automatic positioner controls the automatic positioner to position the mold frame relative to the upper and lower sides of the protective film moved to the work position on the basis of the image information shot through the camera.

The present invention has the following effects.

First, it is possible to attach a protective film to the lower surface of the mold frame without switching up and down with respect to the phase of the initially supplied mold frame.

Second, a mold frame having a protective film attached to a work table on which a process for laminating a workpiece on the upper surface of the mold frame is performed without vertically shifting the phase of the mold frame while the gripping of the mold frame is continuously maintained .

Third, the process of assembling the entire backlight unit can be simplified by omitting the up-and-down switching process of the phase of the mold frame, so that the working efficiency can be improved.

1 is a perspective view showing a mold frame feeding apparatus for a backlight unit of the present invention.
2 is a front view showing a mold frame feeding device for a backlight unit of the present invention.
3 is a conceptual diagram schematically showing a process of supplying a mold frame through a mold frame feeding device for a backlight unit of the present invention.
4 is a conceptual view schematically showing a process of supplying a protective film through a mold frame feeding device for a backlight unit of the present invention.
5 is a conceptual view schematically showing a process of attaching a protective film through a mold frame feeding device for a backlight unit of the present invention.
6 is a conceptual diagram schematically showing a process of supplying a mold frame to a work table through a mold frame supply device for a backlight unit of the present invention.
7 is a conceptual view schematically showing a process of attaching a protective film using a conventional mold frame supply device for a backlight unit.
Fig. 8 is a conceptual diagram schematically showing an operation mode of a camera system in a mold frame supply apparatus for a backlight unit of the present invention. Fig.

The preferred embodiments of the present invention will be described in more detail with reference to the accompanying drawings, in which the technical parts already known will be omitted or compressed for the sake of brevity.

1. Description of components of a mold frame feeder for a backlight unit

1 and 2, a mold frame supply apparatus 1000 for a backlight unit of the present invention includes a protective film supply apparatus 100; Automatic location device 200; A control device 300; And a camera system 400.

The protective film feeding device 100 separates the protective film PF attached to the film material F by controlling the rotational direction and the rotational speed of a plurality of rollers provided for each role, Is supplied to the work position WP in a state in which the bonding surface of the workpiece W is exposed.

Each mode of operation of the protective film feeder 100 to be described below is controlled through the control device 300.

3, a plurality of protective films PF are adhered to the lower surface of the upper release tape TF at regular intervals with a predetermined pattern, The predetermined intervals formed by mutually spaced apart from each other with respect to the direction of the front end and the rear end of the film material F can be defined as one pitch P. [

The film material F is adhered to a space where a plurality of protective films PF are not attached in the lower surface of the upper release tape TF so that the height of the entire film material F by the plurality of protective films PF (BF) for compensating for the difference in color. In this case, the lower release ribs BF are formed in a band shape on both sides of the plurality of protective films PF attached as shown in FIG. 3 However, the present invention is not limited to such a shape, but may be designed and modified in various forms according to the film material F provided.

The lower release baffle BF is provided on the lower surface of the upper release tab TF with a plurality of protective films PF therebetween to protect the plurality of protective films PF attached to the lower surface of the upper release tab TF. As shown in FIG.

The film material F is provided in a roll form so as to be unwound by rotation on one side and wound by rotation on the other side.

To this end, the material roller 110 is configured to rotate in one direction so that the film material F mounted in the form of a roll is released, and is operated by a separate driving motor connected to the shaft.

The protective film supply unit 120 is disposed below the film material F released from the material roller 110 and attached to the upper release tape TF of the film material F released from the material roller 110 The protective film PF is gripped by vacuum pressure to separate the adhesive surface so as to be exposed and then the protective film PF being gripped is moved to the working position WP where the protective film PF is attached.

More specifically, the protective film supply unit 120 will be described. The protective film feed unit 120 includes a protective film holding picker for gripping and holding the protective film by vacuum pressure, a guide rail for guiding movement of the protective film holding picker, A rail block for movably coupling the picker on the guide rail, and an elevating device for moving the picker up and down.

Here, the film material F released from the material roller 110 is held in contact with the protective film supply unit 120 so that the holding surface of the protective film PF to be held in contact with the protective film feeding unit 120 faces downward, (In the order of the upper release tape (TF) -protective film (PF) on the upper side) attached to the upper release tape (TF). Therefore, the protective film supply unit 120 located under the released film material F grasps the protective film PF so that the adhesive surface is exposed upward as shown in FIG. 4A.

4B, the protection film feeding unit 120 can move the protection film PF without shifting the phase of the protection film PF up and down, that is, without reversing the back and forth movement and the up and down movement And moves the protective film PF held by the work position WP.

The upper release paper TF from which the protective film PF is removed by the protective film supply unit 120 is wound up by the first collection roller 130 rotating in one direction and recovered in a rolled form.

When the lower release paper BF is included in the film material F according to the shape of the film material F mounted on the material roller 110, the film material F A second recovery roller 140 rotating in one direction may be additionally provided to take up the lower release blanks BF and recover them in the form of a roll.

In this case, the second collection roller 140 is rotated in a direction in which the lower film BF is separated from the film material F released from the material roller 110 before the protective film supply unit 120 separates the protective film PF It is preferable to be positioned and designed to be peeled off.

Therefore, when the lower release baffle BF is included in the film material F, the protective film supply unit 120 may be provided in the film material F in which the lower release baffle BF is peeled off by the second collection roller 140 The upper release tape TF separated from the lower release film BF and the protective film PF is held on the first take-up roller 130 by separating the protective film PF attached to the upper release tape TF, Respectively.

The rotational movement of the material roller 110 and the first collecting roller 130 may be performed by using the film material F mounted on the material roller 110 and the first collecting roller 130, Is controlled by the control device 300 so that the upper release tape TF wound on the upper release tape TF can be moved by one pitch.

The protective film feeder 100 is provided with at least one guide roller 110G and at least one direction adjusting roller 130T for guiding the flow of the film material F and for efficiently guiding the movement path, , 140T) are preferably included.

The first guide roller 110G guides the film material F released from the material roller 110 to the space where the protective film supply unit 120 is waiting for gripping and supports the movement of the film Is installed.

The film material F released from the material roller 110 is conveyed to the second recovery roller 140 after passing through the first guide roller 110G and before the protective film supply unit 120 is encountered. And moves the lower release paper BF in a direction different from the moving direction of the film material F in order to peel off the film material F. In this case,

The upper release tape TF is moved in a direction different from the advancing direction of the film material F in order to remove the upper release tape TF from which the protective film PF has been separated by the first take- The first direction adjusting roller 130T for turning the first direction adjusting roller 130T and the upper removing roller TF for turning the direction through the first direction adjusting roller 130T are moved to be more easily moved to the first collecting roller 130 It is preferable that the second guide roller 130G which assists is further designed in the protective film feeder 100. [

The mold frame MF to be an object to be attached to the protective film PF supplied to the working position WP is grasped, moved and seated by the automatic position device 200. [

And each mode of operation of the automatic position device 200 to be described below is controlled through the control device 300.

The automatic positioner 200 grasps the upper surface of the mold frame MF and moves the mold frame MF to the upper side of the protective film PF supplied to the working position WP, And attaches a protective film PF to the protective film PF and then provides the mold frame MF having completed the process of attaching the protective film PF to the work table WT on which the lamination process is performed.

Here, the upper surface of the mold frame MF is a surface provided with a space for stacking work objects such as a reflection plate, a light guide plate, a diffusion film, a prism, and a flexible circuit board constituting a backlight unit. The assembling step of the backlight unit (the laminating step in which the workpiece is stacked on the upper surface of the mold frame MF) is performed in a state in which the workpiece is seated from the upper side to the lower side in a state in which the upper surface of the mold frame MF is exposed upward The mold frame MF having completed the process of attaching the protective film PF needs to be supplied in such a state that its top surface is exposed upward.

The lower surface of the mold frame MF is a surface to which the protective film PF is attached and protected. As a result, the automatic positioning device 200 is configured such that the lower surface of the mold frame MF is supplied to the working position WP The position of the mold frame MF is shifted such that the mold frame MF is positioned so as to be mutually opposite to the adhesive surface of the protective film PF on the upper side of the protective film PF, So that the protective film PF is attached to the lower surface of the frame MF.

To this end, the automatic positioner 200 includes a mobile robot 210 for gripping and moving the mold frame MF; A first feeder 220 for feeding the mold frame MF to the mobile robot 210; And a second feeder 230 for feeding the mold frame MF to the work table WT after the attachment process of the protective film PF by the mobile robot 210 is completed.

The mobile robot 210 is composed of a picker 211 and various moving elements for grasping and moving the mold frame MF. The picker 211 is configured such that it can grip or release the mold frame MF to be.

The first moving element 212 moves the picker 211 to a position for holding the mold frame MF supplied through the first feeder 220 and a position for holding the protective film PF supplied to the working position WP More specifically, the guide rail is provided so that the picker 211 can move the locus described above, and the rail (not shown) which allows the picker 211 to be movably coupled to the guide rail. Block.

The second moving element 213 is provided so as to move the picker 211 in a direction perpendicular to the reciprocating direction and the horizontal plane of the picker 211 by the first moving element 212, And a rail block for movably coupling the picker 211 to the guide rail and the guide rail provided so that the picker 211 can move the locus described above.

The lifting element 214 is provided to move the picker 211 in a direction perpendicular to the reciprocating direction of the picker 211 by the first moving element 212 and in a direction perpendicular to the horizontal plane, And a rail block for movably coupling the picker 211 to the guide rail and the guide rail, which are provided so that the picker 211 can move the trajectory described above.

In addition, the mobile robot 210 includes a rotation element (not shown) capable of rotating the picker 211 with a rotation axis perpendicular to a reciprocal direction and a horizontal plane of the picker 211 by the first moving element 213 Can be further designed.

Therefore, the mobile robot 210 can move the mold frame MF gripped by the picker 211 up and down, right and left, forward and backward, and rotation, but the mobile robot 210 can move the mold frame MF gripped by the picker 211 It can not be reversed upside down. In the case of the present invention, it is not required to switch the phase of the mold frame MF up and down.

 The first feeder 220 is a device for providing the mold frame MF to be gripped by the mobile robot 210 as described above. The first feeder 220 is provided with a separate receiving groove 220H formed in the first feeder 220, The upper surface of the mold frame MF is exposed while being exposed to the outside so that the mobile robot 210 can grasp the upper surface of the mold frame MF.

The controller 300 controls the robot 210 to move the work frame W to the work position WP without changing the phase of the mold frame MF up and down as shown in FIG. The mold frame MF is moved in such a manner as to be positioned in a mutually corresponding arrangement on the upper side of the protective film PF on the lower side of the mold frame MF as shown in FIG. And controls the mobile robot 210 so that the protective film PF can be attached.

The upper surface of the mold frame MF is gripped by the second feeder 230 in a state where the mold frame MF having been already attached to the protective film PF is gripped as described above, A space in which a stacking space in which workpieces such as a reflection plate, a light guide plate, a diffusion film, a prism, and a flexible circuit board constituting a backlight unit are sequentially stacked is formed on the upper surface of the mold frame MF, To be supplied.

6A, the controller 300 controls the movement of the mold frame MF with respect to the phase of the mold frame MF, as shown in FIG. 6A, The position of the mold frame MF attached with the protective film PF is moved so that the mold frame MF gripped in the seating groove 230H formed in the second feeder 230 can be seated without the up- As shown in FIG. 6B, the mold frame MF having the protective film PF attached thereto is seated on the seating groove 230H formed in the second feeder 230 through the downward movement of the mold frame MF positioned as described above And controls the mobile robot 210 so as to be supplied to the work table WT.

The mold frame feeder 1000 for a backlight unit of the present invention is configured to feed a protective film PF that has been moved to a work position WP via a protective film feeder 100 and a workpiece position A camera system 400 for acquiring image information through photographing so as to confirm the degree of correspondence of the mold frame MF located on the upper side of the protective film PF moved to the protective film PF ).

In other words, the protective film PF is attached to the lower surface of the protective film PF which is moved to the upper side of the protective film PF moved to the working position WP by the automatic position device 200 through the camera system 400 So that an accurate mounting operation of the mold frame MF can be performed.

8, the camera system 400 includes a protective film PF which is moved to the work position WP and a mold film PF which is moved to the upper side of the protective film PF which is moved to the work position WP, (MF), and a camera (410) capable of capturing image information according to the taken images.

The mold frame MF moved to the upper side of the protective film PF moved to the working position WP and the protective film PF moved to the working position WP has the structural characteristic When the protective film PF and the mold frame MF are simultaneously operated, they are exposed to the outside of the mold frame MF, as shown in FIG. 8A due to the parallel positional difference between the two, The area of the protective film PF which is off can be confirmed.

In this case, the controller 300 controls the automatic positioner 200 to move the mold frame MF to the protective film PF, which is moved to the work position WP, based on the image information photographed through the camera 410. [ 8B with respect to the upper and lower axes at which the protective film PF and the protective film PF are attached to each other so that further peeling of the protective film PF with the area of the protective film PF exposed outside by the mold frame MF, It is possible to control the automatic position device 200 so as not to include the protruding space provided for the automatic positioning device 200. [

2. Explanation of Mold Frame Supply Type and Process Efficiency Using Mold Frame Supply Device for Backlight Unit

4 to 6, the feeding mode of the mold frame MF using the mold frame feeder 1000 for the backlight unit of the present invention and the effect of improving the process efficiency thereof will be described. The initial phase of the mold frame MF supplied through the mold frame MF is such that the top surface of the mold frame MF is upwardly moved so that the moving robot 210 can grip and move the top surface of the mold frame MF. The protective film PF is attached to the lower surface of the mold frame MF supplied through the movement of the moving robot 210 and the mold frame MF attached with the protective film PF is attached to the second feeder 230, The mold frame supply apparatus 1000 for a backlight unit of the present invention advances the entire process without performing up-down switching of the initial phase of the mold frame MF.

The initial phase of the mold frame MF is continuously applied in the process of stacking on the work table WT, that is, the process of assembling the backlight unit into the finished product, The up and down switching is unnecessary process, and the whole working process efficiency is drastically lowered.

As shown in FIG. 7, the conventional mold frame supply device for a backlight unit includes a mold frame MF, which is formed by attaching a protective film PF to a lower surface of a mold frame MF, A separate process for performing the up-down conversion for the initial phase has been added.

As shown in FIG. 7A, when the upper surface of the mold frame MF on which various workpieces are stacked is seated so as to face upward, as in the manner in which various workpieces are stacked on the upper surface of the mold frame MF, 7B, the upper surface of the mold frame MF is shifted up and down so that the lower surface of the mold frame MF is guided by the gripped protective film PF ) Is moved to face the coming direction.

7C, when the protective film PF is attached to the lower surface of the mold frame MF as shown in FIG. 7C, the mold frame MF is again vertically shifted in phase with respect to the mold frame MF, 7e, the various objects to be processed are stacked on the upper surface of the mold frame MF to complete the backlight unit.

Therefore, in order to provide the mold frame MF with the protective film PF, the phase of the mold frame MF has to be switched up and down twice in the conventional case, There has been a problem that the working efficiency is also extremely reduced.

4A and 4B, the mold frame supply apparatus 1000 for a backlight unit of the present invention is configured such that the protective film supply unit 120 in the protective film supply apparatus 100 is protected from the film material F The process of separating the protective film PF separated by gripping and separating the film PF and moving the protective film PF separated in the working position WP causes the first feeder 220 to be inserted into the seating groove 220H of the first feeder 220, A process in which the mold frame MF accommodated to expose the upper surface of the mold frame MF to the outside is moved to a position where the picker 211 of the mobile robot 210 waits for the mold frame MF to hold the mold frame MF, Gripping and lifting operations are carried out in such a manner that the picker 211 of the mold frame 210 is gripped and lifted up from the mold frame MF moved to a position where it can be grasped through the first feeder 220, MF) is not performed.

5A and 5B, when the lower surface of the mold frame MF of the picker 211 of the mobile robot 210 is moved to the working position WP, A process of moving the position of the mold frame MF such that the mold frame MF is positioned so as to be mutually opposite to the adhesion face of the protective film PF on the upper side of the protective film PF supplied to the mold frame MF, The process of making the protective film PF adhere to the lower surface of the mold frame MF and the process of moving up and down while gripping the mold frame MF with the protective film PF, The up-and-down conversion process for the phase of the MF is not performed.

6A and 6B, the mold frame supply device 1000 for a backlight unit of the present invention is configured to mount a mold frame MF with a protective film PF on a seat formed on a second feeder 230 A process of moving the position of the mold frame MF so as to correspond to the upper side of the groove 230H and a process of moving the mold frame MF with the protective film PF attached to the seating groove 230H formed in the second feeder 230, The process of vertically switching the phase of the mold frame MF is not performed in the process of placing the mold frame MF on the work table WT. Furthermore, the mold frame MF provided with the protective film PF supplied to the work table WT is stacked with various work objects on the upper surface of the mold frame MF without a phase shift process for the phase.

The embodiments disclosed in the present invention are not intended to limit the scope of the present invention but to limit the scope of the technical idea of the present invention. The scope of protection is to be construed in accordance with the following claims, and all technical ideas within the scope of equivalents thereof should be construed as being included in the scope of the present invention.

1000: Mold frame supply device for backlight unit
100: protective film feeder
110: Material Roller
F: Film material
TF: Upper release PF: Protective film
BF:
120: protective film supply unit
130: 1st take-off roller
140: 2nd take-off roller
200: Automatic position device
210: Mobile robot
211: picker 212: first moving element
213: second moving element 214: lifting element
220: first feeder
230: second feeder
300: Control device
400: Camera system
400C: camera
MF: Mold frame
WT: Work Table

Claims (10)

A protective film feeding device capable of separating a protective film from a film material having a protective film attached thereto and supplying the protective film to a working position in a state in which the adhesive surface is exposed;
An automatic positioner capable of gripping an upper surface of a mold frame on which work objects are stacked and moving the mold frame to an upper side of a protective film supplied to the working position; And
And a control device for controlling each operation of the protective film supply device and the automatic position device,
The automatic position apparatus is characterized in that the mold frame is positioned so that the lower surface of the mold frame faces the adhesive surface of the protective film moved to the working position, So as to adhere
Mold frame supply device for backlight unit.
The method according to claim 1,
Wherein the film material includes a plurality of protective films adhered to the lower surface of the upper surface rim and the lower surface of the upper surface of the upper rim at regular intervals,
Wherein the protective film supply device comprises:
A material roller mounted in the form of a roll and rotated in one direction so that the loaded film material is released;
A protective film supply unit for gripping and separating the protective film attached to the upper peeling paper of the film material released from the material rollers and moving the protective film to the working position; And
And a first collection roller which is rotated in one direction so that the upper peel sheet separated by the protective film supply unit is taken up and recovered
Mold frame supply device for backlight unit.
3. The method of claim 2,
The film material mounted on the material roller is released in a state in which the holding surface of the protective film is directed downward and the adhering surface of the protective film is directed upward,
Wherein the protective film supply unit grips the protective film on the lower side of the film material released by the material roller and moves the protective film to the working position without changing the phase of the separated protective film up and down
Mold frame supply device for backlight unit.
The method of claim 3,
Wherein the control device controls the first and second rollers so that the material roller and the first collecting roller move the film material by a pitch at a constant pitch formed by a plurality of protective films attached to the upper peel- And controls the rotational movement of the roller and the first collection roller
Mold frame supply device for backlight unit.
5. The method of claim 4,
Wherein the film material further comprises a lower peeling paper adhered to a lower surface of an upper peeling paper to which a plurality of protective films are not attached or attached to a lower surface of the upper peeling paper with a plurality of protective films therebetween,
Wherein the protective film supply device comprises:
And a second collection roller which is rotated in one direction so as to take up and recover the lower peeling paper of the film material released from the material roller,
Wherein the protective film supply unit grips and separates the protective film attached to the upper peeling paper of the film material from which the lower peeling paper has been peeled off by the second collection roller
Mold frame supply device for backlight unit.
3. The method of claim 2,
The automatic position device comprises:
A mobile robot for gripping and moving the mold frame; And
And a first feeder for feeding the mold frame, the top surface of which is exposed toward the mobile robot, to the mobile robot,
The control unit controls the moving robot so that the mobile robot grasps the upper surface of the mold frame supplied through the first feeder and attaches the protective film supplied to the working position to the lower surface of the mold frame without up- Is controlled
Mold frame supply device for backlight unit.
The method according to claim 6,
The automatic position device comprises:
And a second feeder for feeding the mounted mold frame to a work table on which a stacking process for stacking work objects is performed on the upper surface of the mold frame,
Wherein the control unit controls the mobile robot so that the movable frame holding the protective film on the upper surface of the mold frame can be seated on the second feeder without switching the phase of the mold frame up and down.
Mold frame supply device for backlight unit
8. The method of claim 7,
The mobile robot includes:
A picker capable of grasping or releasing the mold frame;
A first moving element capable of horizontally reciprocating between a position for grasping the mold frame supplied through the first feeder and the upper side of the protective film supplied to the working position;
A second moving element capable of moving the picker in a direction perpendicular to a reciprocating direction and a horizontal plane of the picker by the first moving element; And
A lifting element capable of moving the picker in a direction perpendicular to the horizontal plane; ≪ RTI ID = 0.0 >
Mold frame supply device for backlight unit.
3. The method of claim 2,
The mold frame supply device includes:
And a camera system installed on the lower side of the protective film moved to the work position by the automatic position device and provided for precisely attaching the mold frame on which a protective film is attached through a downward movement, doing
Mold frame supply device for backlight unit.
10. The method of claim 9,
And a camera for photographing the mutually corresponding state of the mold frame moved to the upper side of the protective film supplied to the working position and the upper and lower sides of the mold frame,
The control device controls the automatic position device such that the automatic position device positions the mold frame relative to the upper and lower sides of the protective film moved to the working position based on the image information shot through the camera To
Mold frame supply device for backlight unit.
KR1020150104047A 2015-07-23 2015-07-23 Supplying apparatus for mold frame in back light unit KR101720010B1 (en)

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Application Number Priority Date Filing Date Title
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Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100465674B1 (en) 2004-09-01 2005-01-13 디엔씨엔지니어링 주식회사 Apparatus for providing a back lighting film to mold frame

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100843704B1 (en) * 2006-10-25 2008-07-04 탑 에이앤씨테크 주식회사 Device for attaching a film on a liquid crystal display module of a mobile terminal
KR101932562B1 (en) * 2012-09-18 2018-12-28 삼성디스플레이 주식회사 Film attaching apparatus and film attaching method using the same
KR101448810B1 (en) * 2013-02-26 2014-10-08 (주)와이티에스 Apparatus for attaching film of display panel and method the same

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100465674B1 (en) 2004-09-01 2005-01-13 디엔씨엔지니어링 주식회사 Apparatus for providing a back lighting film to mold frame

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