KR101720011B1 - Film supply apparatus for back light unit producing apparatus - Google Patents

Film supply apparatus for back light unit producing apparatus Download PDF

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Publication number
KR101720011B1
KR101720011B1 KR1020160001151A KR20160001151A KR101720011B1 KR 101720011 B1 KR101720011 B1 KR 101720011B1 KR 1020160001151 A KR1020160001151 A KR 1020160001151A KR 20160001151 A KR20160001151 A KR 20160001151A KR 101720011 B1 KR101720011 B1 KR 101720011B1
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KR
South Korea
Prior art keywords
film
supply
base film
roller
support plate
Prior art date
Application number
KR1020160001151A
Other languages
Korean (ko)
Inventor
손영곤
이성근
Original Assignee
(주)소닉스
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Priority to KR1020160001151A priority Critical patent/KR101720011B1/en
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Publication of KR101720011B1 publication Critical patent/KR101720011B1/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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H18/00—Winding webs
    • B65H18/08—Web-winding mechanisms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H23/00—Registering, tensioning, smoothing or guiding webs
    • B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
    • B65H23/18—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web
    • B65H23/195—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web in winding mechanisms or in connection with winding operations
    • B65H23/1955—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web in winding mechanisms or in connection with winding operations and controlling web tension
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H23/00—Registering, tensioning, smoothing or guiding webs
    • B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
    • B65H23/18—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web
    • B65H23/195—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web in winding mechanisms or in connection with winding operations
    • B65H23/198—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web in winding mechanisms or in connection with winding operations motor-controlled (Controlling electrical drive motors therefor)
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H41/00—Machines for separating superposed webs
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/50—Auxiliary process performed during handling process
    • B65H2301/51—Modifying a characteristic of handled material
    • B65H2301/511—Processing surface of handled material upon transport or guiding thereof, e.g. cleaning
    • B65H2301/5112—Processing surface of handled material upon transport or guiding thereof, e.g. cleaning removing material from outer surface
    • B65H2301/51122—Processing surface of handled material upon transport or guiding thereof, e.g. cleaning removing material from outer surface peeling layer of material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2406/00—Means using fluid
    • B65H2406/30—Suction means
    • B65H2406/35—Other elements with suction surface, e.g. plate or wall
    • B65H2406/351—Other elements with suction surface, e.g. plate or wall facing the surface of the handled material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2553/00—Sensing or detecting means
    • B65H2553/40—Sensing or detecting means using optical, e.g. photographic, elements
    • B65H2553/42—Cameras
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2801/00—Application field
    • B65H2801/61—Display device manufacture, e.g. liquid crystal displays

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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)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mathematical Physics (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

The present invention relates to a film supply apparatus for a backlight unit assembly device, in which conveyance of a base film is stopped in one region of a support plate for supporting the base film, and the support plate is moved backwards while a supply film adhered to the base film is adsorbed and fixed by a picker so as to peel off the supply film from the base film. According to the present invention, the support plate is moved backwards while the support film located in one region of the support plate is adsorbed by the picker so as to peel off the supply film from the base film, so that deviation of the supply film is prevented during the peeling process, and a collection roller collects the base film from a supply roller and conveys the base film, and the supply roller rotates in a direction opposite to a rotation direction of the collection roller with a rotation force less than a rotation force of the collection roller, so that a constant tension is maintained on the base film during the conveying and peeling processes of the base film. In addition, a location detection sensor detects a position and dislocation of the supply film located on an upper portion of the support plate so as to allow the picker to correct the position and the dislocation of the supply film detected by the position detection sensor and the supply film is adsorbed, so that additional process and device for aligning the adsorbed supply film after the peeling and additional process and device for providing tension to the base film other than the supply roller and the collection roller are not required. Accordingly, the process and device for peeling off the supply film are reduced, so that a structure of the apparatus is simplified, and thus the apparatus is conveniently maintained and repaired and manufacturing costs of the apparatus is reduced.

Description

TECHNICAL FIELD [0001] The present invention relates to a film supply apparatus for a backlight unit assembling apparatus,

The present invention relates to a film supply apparatus for a backlight unit assembling apparatus.

BACKGROUND OF THE INVENTION [0002] A liquid crystal display device for displaying a screen in various electronic apparatuses is equipped with a backlight unit (BLU) for diffusing and illuminating light. Among them, an edge type BLU widely used in a mobile phone has a structure in which a reflective film, a light guide plate, a diffusion film, a prism film, a light shielding film and a protective film are stacked on a mold frame, A flexible printed circuit board is attached to the side surface of the light guide plate, and light sources supplied from the side through various films and light guide plates sequentially stacked on the backlight unit are diffused to supply illumination to the liquid crystal display device.

Thus, a device for producing a backlight unit is provided with a plurality of film supply devices for supplying a supply film laminated to a backlight unit assembly.

The supply film laminated on the backlight unit adheres to the adhering face or both sides of the supply film to prevent contamination of the supply film, because the quality of illumination supply depends on the contamination of the supply film.

Accordingly, the film supply device is provided with a release film to which the supply film is adhered, and the supply film is peeled off from the release film, and the peeled supply film is supplied to the backlight unit assembly.

Such a film feeding device is disclosed in Korean Patent Publication No. 10-1278197 (published on Feb. 23, 2013, Feb. 31, 2013, Feb. 21, 2013) A release film is peeled off the top and bottom release papers of the supply film by using an adhesive tape which is made of an adhesive tape.

However, when the supply film is continuously peeled off from the releasing film (base film) provided continuously through the film supply device of the prior art and to which a plurality of supply films are adhered, the releasing film The physical structure for providing tension to the bonded adhesive tape is complicated and the supply film peeled off from the release film due to the vibration applied to the supply film in the peeling process and the vibration generated in the process deviates from the supply waiting area, There is a problem that an error may occur due to the stand-by position of the supplied film.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and it is an object of the present invention to simplify the structure of a device for peeling off a supply film from a base film, to prevent deviation of the peeled supply film, And an object of the present invention is to provide a film feeding apparatus for an assembling apparatus.

A film supply device for a backlight unit assembling apparatus for achieving the above object is a film supply apparatus for supplying a film to a backlight unit assembly located at a supply position by peeling off a supply film adhered on a base film with a predetermined gap from the base film, A supply roller on which the base film is wound; A recovery roller for recovering the base film wound on the supply roller and transporting the base film in one direction; And a peeling member disposed on a conveying line of the base film conveyed by the collecting roller and reciprocating between a first point located on the conveying line and a second point located behind the first point with respect to the conveying direction of the base film, table; A positioning sensor for confirming the position of the supply film adhered to the base film passing through the peeling table in the peeling table located at the second point; A picker for picking up a supply film adhered to the base film in a base film disposed above the second point and passing through the peeling table located at the second point; And a controller for controlling the feeding roller, the collecting roller, the peeling table, the position determining sensor and the picker, wherein the collecting roller is located below the peeling table, the peeling table is provided in the form of a plate, A supporting plate provided at a rear end thereof with a switching part for switching a feeding direction of the base film downward; A guide roller coupled to a lower portion of the support plate, the base film having passed through the switch portion, and guiding the mounted base film to the collection roller; And a reciprocating driving unit reciprocating the supporting plate to the first point and the second point, wherein the control unit controls the position detecting sensor such that one side of the supplying film adhered to the base film reaches the position of the switching unit of the supporting plate The feeding roller is controlled to stop the feeding of the base film, and the feeding film which has reached the switching portion through the picker is sucked, and the supporting plate is moved from the second point to the first point And the feeding direction of the base film is switched from the switching part to the downward direction by the movement of the supporting plate so that the feeding film adsorbed on the picker can be peeled off from the base film.

Here, the supply roller may include: a supply reel through which the base film is wound; And a supply motor for rotating the supply reel, wherein the supply motor is provided with a torque motor whose rotational force is reduced in accordance with a load applied in a direction opposite to the rotating direction of the supply reel, The tension of the base film recovered by the recovery roller can be provided.

The picker includes a pick-up head for receiving a vacuum force from a vacuum generator and picking up a supply film; And a head transferring unit for moving the pick-up head, wherein when the position determining sensor confirms that the supply film adhered to the base film has reached the switch portion of the support plate located at the second point, The confirmation sensor is controlled to confirm the adhesion position of the supply film adhered to the base film and the pickup head is controlled so as to correspond to the adhesion position of the supply film to adsorb the supply film .

Further, the control unit controls the picker to supply the supply film peeled off from the base film to the backlight unit assembly, return the support plate from the first point to the second point via the reciprocating drive unit, And to drive the collection roller in order to transport the base film.

As described above, the present invention has the following effects.

First, the supply film located in one region of the support plate is adsorbed by the picker, and the support plate is retracted and the supply film is separated from the base film, so that the separation of the supply film in the separation process can be prevented.

Second, the recovery roller retrieves the base film from the supply roller to transfer the base film, and the supply roller rotates in a direction opposite to the rotation direction of the collection roller with a rotational force less than the rotational force of the collection roller, A constant tension can be maintained on the base film.

Third, the position confirmation sensor confirms the position and the position of the feed film located on the upper side of the support plate, and the picker corrects the feed film position and the deviation detected by the position confirmation sensor to adsorb the feed film, A separate process and means for aligning the supply film and a separate process and means for providing tension to the base film in addition to the supply roller and the collection roller are not required and the process and means for stripping the supply film are shortened, As the configuration of the apparatus is simplified, it is possible to provide convenience in maintenance and repair of the apparatus and reduce the production cost of the apparatus.

1 schematically shows a film supply apparatus for a backlight unit assembling apparatus according to an embodiment of the present invention.
FIGS. 2 to 4 illustrate a supply film peeling process of a film supply apparatus for a backlight unit assembling apparatus according to an embodiment of the present invention.

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 simplicity of explanation.

1 schematically shows a film supply apparatus for a backlight unit assembling apparatus according to an embodiment of the present invention.

The base film (B) to be referred to hereafter refers to a form in which a plurality of supply films (F) supplied to the backlight unit assembly (A) on a continuously provided base film (B) The base film (B) after the supply film (F) is peeled off will be described separately at a portion where the content will be referred to.

The film supply apparatus 100 for a backlight unit assembling apparatus according to an embodiment of the present invention supplies a supply film F to a transfer jig J for transferring the backlight unit assembly A for each step in the backlight unit assembling process And may include a feed roller 110, a collection roller 120, a peeling table 130, a positioning sensor 140, and a picker 150.

The supply roller 110 may include a supply reel 112 and a torque motor 114, on which a base film B provided in a form in which the supply film F is adhered may be wound.

The supply reel 112 can be wound with a base film B to which a plurality of supply films F are adhered.

The supply motor 114 can rotate the supply reel 112 and one end of the wound base film B is fixed to the recovering roller 120 to be described later and is rotated in the one direction by the rotation of the collecting roller 120 The base film B is conveyed at the same time as the base film B is conveyed by the collection roller 120 by rotating in a direction opposite to the rotation direction of the collection roller 120 with a rotational force lower than the rotational force of the collection roller 120, (B).

The collection roller 120 collects the base film B wound on the supply reel 112 to transport the base film B in one direction and includes the recovery reel 122 and the recovery motor 124 can do.

One end of the base film (B) wound on the supply reel (112) can be fixed to the recovery reel (122).

The recovery motor 124 can rotate the recovery reel 122 such that the base film B wound around the supply reel 112 is wound by the recovery reel 122 to which one end of the base film B is fixed.

At this time, the recovery motor 124 rotates in a direction opposite to the supply motor 114 that rotationally drives the supply reel 112, and the rotation force for rotating the recovery reel 122 is greater than the rotation force of the supply motor 114 And can be provided as a servomotor that is easy to control for rotation and stopping of the recovery reel 122.

The recovery motor 124 may be greater than the rotation restraining force for stopping the rotating recovery reel 122 and the rotation force of the supply motor 112 so that the base film B The tension of the base film B can be maintained by the feeding roller 110. [

The peeling table 130 is disposed on the transfer line of the base film conveyed by the collection roller 120 and has a first point S1 on the conveying line and a first point S1 on the conveying direction of the base film B S1), and may include a support plate 132, a guide roller 134, and a reciprocating driver 136. The support plate 132, the guide roller 134,

The support plate 132 may be provided in the form of a plate and may include a switch portion 132a for switching the conveying direction of the base film B downward at a rear end thereof with reference to the conveying direction of the base film B.

In this case, the base plate B supplied from the supply roller 110 contacts the upper surface of the support plate 132 by the recovery of the collection roller 120, or passes through the support plate 132 at a predetermined interval do.

The supply film F can be peeled off from the base film B by switching the downward direction of the transfer of the base film B in the switch portion 132a which is the rear end of the support plate 132. [

More specifically, the supply film F and the base film B may have different materials or different thicknesses, and may have a restoring force resulting from bending, that is, different elastic restoring forces, The base film B to which the film F is adhered is provided as a release film having a thin thickness.

Since the elastic restoring force of the supply film F is set to be larger than the elastic restoring force of the base film B by different materials or thicknesses of the base film B and the base film B, When the bonded supply film F is bent downward, an elastic restoring force greater than the adhesion force with the base film B is generated in the supply film F. [

At this time, as the base film B passes through the switch portion 132a, the supply film F adhered to the base film B is not shifted downward along with the base film B, And is peeled off from the film (B).

The guide roller 134 is coupled to the lower portion of the support plate 132 and the base film B having passed through the switch portion 132a is mounted and the base film B can be guided to the collection roller 120 have.

The guide roller 134 is coupled to the lower portion of the support plate 132 so that even when the support plate 132 reciprocates between the first point S1 and the second point S2 by the reciprocating driver 136, The base film B passing through the switch portion 132a is held so that the base film B is bent downward at a predetermined angle in the switch portion 132a regardless of the position of the support plate 132 .

The reciprocating driver 136 can reciprocate the support plate 132 to the first point S1 and the second point S2.

That is, when the separation table 130 reciprocates between the first point S1 and the second point S2 and the transport of the base film B is also stopped due to the stop of the collection roller 120, As the support plate 132 is moved from the second point S2 to the first point S1 the base film B from which the conveyance has been stopped is stopped at a distance between the guide roller 134 and the reusing reel 122 Passes through the switching portion 132a by a corresponding length, and is bent downward.

In other words, when the support plate 132 is moved from the second point S2 to the first point S1, the base film B is bent downward through the switch portion 132a, ) Is peeled off from the base film (B).

The peeling table 130 is provided on the front end of the supporting plate 132 with reference to the conveying direction of the base film F so as to guide the base film B fed from the feeding roller 110 to the supporting plate 132. [ And an auxiliary roller 138. [

The positioning sensor 140 can confirm the position of the supply film F adhered to the base film B passing through the support plate 132 at the separation table 130 located at the second point S2.

Here, the position determination sensor 140 can confirm the position of the supply film F approaching the position of the switch portion 132a by checking the region of the support plate 132. [

In addition, the position sensor 140 may be provided with a vision inspection camera, so that the position and the position of the supply film F approaching the switch portion 132a can be confirmed.

The position and the deflection value of the supply film F approaching the switching unit confirmed by the position confirmation sensor 140 can be used as a position correction value for correcting the adsorption position of the supply film F of the picker 150 have.

The picker 150 is disposed on the second point S2 and is a base film B that passes through the peeling table 130 located at the second point S2, (F), and may include a pick-up head 152 and a head transfer section 154. The pick-

The pickup head 152 is capable of absorbing the supply film F passing through the support plate 132 while being attached to the base film B by receiving a vacuum force from a vacuum generator (not shown).

The head transfer unit 154 can move the pickup head 152. [

Here, the head transfer unit 154 rotates the pickup head 152 and transfers the pickup head 152 in the vertical / horizontal direction so as to correspond to the position and the deviation of the supply film F identified from the positioning sensor 140, 152 move the pick-up head 152 so that the picked-up film F can be picked up.

The control unit 160 may control the feed roller 110, the collection roller 120, the peeling table 130, the positioning sensor 140, and the picker 150.

In the case of the supply film F provided with the upper base film and the lower base film adhered to the upper and lower surfaces at the same time, the film supply device 100 for the backlight unit assembling apparatus is located above the supply roller 100, And an upper base film collection roller (not shown) for recovering a film (not shown).

The upper base film collecting roller (not shown) includes an upper base film fed from the feeding roller 110 and a switching roller (not shown) for switching the feeding direction of the upper base film, an upper base film (not shown) And an upper base film recovery motor (not shown) for rotating the upper base film recovery reel (not shown) for recovering an upper base film (not shown) from the supply roller 110 Not shown).

Hereinafter, with reference to FIG. 2 to FIG. 4, a description will be made of a process of peeling off the supply film F of the film supply apparatus 100 for a backlight unit assembling apparatus according to an embodiment of the present invention.

FIGS. 2 to 4 illustrate a supply film peeling process of a film supply apparatus for a backlight unit assembling apparatus according to an embodiment of the present invention.

2, the control unit 160 drives the initial feeding roller 110 and the collecting roller 120 to transfer the base film B in one direction while maintaining the tension on the base film B The position confirmation sensor 140 confirms that the base film B passing through the support plate 132 located at the second point S2 approaches the switch portion 132a of the supply film F. [

3, when the position sensor 140 confirms that the supply film F is approaching the switching unit 132a, the control unit 160 stops the driving of the collection roller 120, The feeding of the recording medium F is stopped and the head transferring section 154 is controlled so that the pickup head 152 sucks the supply film F approaching the switching section 132a.

4, the control unit 160 drives the reciprocating driving unit 136 to move the supporting plate 132 to the first point S1, and the base film B is moved by the movement of the supporting plate 132 The supply film F is peeled off from the base film B while being attracted to the pick-up head 152.

The control unit 160 controls the head transport unit 154 to supply the supply film F sucked by the pickup head 152 to the backlight unit assembly A transported through the transport jig J, The reciprocating driver 136 moves the support plate 132 from the first point S1 to the second point S2 at the same time as the feeding of the supply film F of the head transfer unit 154 is controlled, And the base film F is transported by driving the recovery motor 124 after being located at the second point S2.

Thereafter, the control unit 160 repeats the above process to peel off the supply film F from the base film B and provide the back film to the backlight unit assembly A.

As a result, according to the present invention, the supply film located in one region of the support plate is adsorbed by the picker, and the support plate is retracted and the supply film is peeled off from the base film, The recovery roller returns the base film from the supply roller to transport the base film and the supply roller rotates in a direction opposite to the rotation direction of the collection roller with a rotational force less than the rotational force of the collection roller, And the positioning sensor confirms the position and rotation of the feed film located on the upper side of the support plate so that the picker corrects the feed film position and the deviation detected by the position confirmation sensor and sucks the feed film A separate process and means for aligning the adsorbed feed film after it has been stripped, A separate process and means for providing tension to the base film in addition to the recovery rollers are not required and the process and means for peeling off the supply film are shortened to simplify the structure of the device, A film feeder for a backlight unit assembling apparatus which can provide convenience and can reduce the production cost of the apparatus.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments. And the scope of the present invention should be understood as the following claims and their equivalents.

100: film feeder for backlight unit assembling device
110: Feed roller
112: supply reel
114: Supply motor
120: Collection roller
122:
124: Recovery motor
130: peeling table
132: Support plate
132a:
134: guide roller
136:
138: Auxiliary roller
140: Positioning sensor
150: Picker
152: pickup head
154: head transmission
160:
A: Backlight unit assembly
B: base film
F: Feed film
J: Transfer jig

Claims (4)

A film feeding apparatus for peeling a supply film adhered on a base film with a predetermined gap from the base film and supplying the film to a backlight unit assembly located at a supply position,
A supply roller on which the base film is wound;
A recovery roller for recovering the base film wound on the supply roller and transporting the base film in one direction;
And a peeling member disposed on a conveying line of the base film conveyed by the collecting roller and reciprocating between a first point located on the conveying line and a second point located behind the first point with respect to the conveying direction of the base film, table;
A positioning sensor for confirming the position of the supply film adhered to the base film passing through the peeling table in the peeling table located at the second point;
A picker for picking up a supply film adhered to the base film in a base film disposed above the second point and passing through the peeling table located at the second point; And
And a controller for controlling the feed roller, the collection roller, the peeling table, the positioning sensor and the picker,
Wherein the recovery roller is located below the peeling table,
The peeling table comprises:
A support plate provided in a plate form and provided with a switching unit for switching the conveying direction of the base film downward at a rear end thereof with reference to the conveying direction of the base film;
A guide roller coupled to a lower portion of the support plate, the base film having passed through the switch portion, and guiding the mounted base film to the collection roller; And
And a reciprocating driving unit reciprocating the supporting plate to the first point and the second point,
Wherein the control unit stops the conveyance of the base film by controlling the collection roller when the position sensor confirms that one side of the supply film adhered to the base film has reached the position of the switch portion of the support plate, Wherein the transporting direction of the base film is switched from the switching part to the downward direction by the movement of the support plate, And the supply film adsorbed on the picker is peeled off from the base film.
Film supply device for a backlight unit assembly device.
The method according to claim 1,
The feed roller
A supply reel through which the base film is wound; And
And a supply motor for rotationally driving the supply reel,
Wherein the supply motor is provided with a torque motor whose rotational force is reduced in accordance with a load applied in a direction opposite to the rotation direction of the supply reel and rotates the supply reel in a direction opposite to the recovery roller, To provide a tension to the base film recovered by the < RTI ID = 0.0 >
Film supply device for a backlight unit assembly device.

The method according to claim 1,
The picker,
A pick-up head for receiving a vacuum force from the vacuum generating device and adsorbing the supply film; And
And a head transferring unit for moving the pick-up head,
Wherein the control unit controls the position sensor so that the position of the feed film adhered to the base film is detected by the positioning sensor when the position sensor confirms that the feed film adhered to the base film has reached the switch portion of the support plate located at the second position, The pickup position is confirmed and the head transfer section is controlled to transfer the pick-up head so as to correspond to the adhesion position of the supply film, thereby adsorbing the supply film
Film supply device for a backlight unit assembly device.
The method according to claim 1,
Wherein the control unit controls the picker to supply a supply film peeled off from the base film to the backlight unit assembly and return the support plate from the first point to the second point via the reciprocating drive unit, And controls the driving of the recovery roller to transport the base film after the positioning.
Film supply device for a backlight unit assembly device.
KR1020160001151A 2016-01-05 2016-01-05 Film supply apparatus for back light unit producing apparatus KR101720011B1 (en)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20100108282A (en) * 2009-03-27 2010-10-06 닛토덴코 가부시키가이샤 Protective tape separating method and apparatus using the same
KR20100126207A (en) * 2009-05-22 2010-12-01 닛토덴코 가부시키가이샤 Protective tape joining method and protective tape joining apparatus
KR20120127632A (en) * 2010-03-03 2012-11-22 베아크 가부시끼가이샤 Plastic film peeling apparatus
KR101557822B1 (en) * 2014-11-12 2015-10-07 (주)소닉스 Apparatus for providing film

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20100108282A (en) * 2009-03-27 2010-10-06 닛토덴코 가부시키가이샤 Protective tape separating method and apparatus using the same
KR20100126207A (en) * 2009-05-22 2010-12-01 닛토덴코 가부시키가이샤 Protective tape joining method and protective tape joining apparatus
KR20120127632A (en) * 2010-03-03 2012-11-22 베아크 가부시끼가이샤 Plastic film peeling apparatus
KR101557822B1 (en) * 2014-11-12 2015-10-07 (주)소닉스 Apparatus for providing film

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