KR100580955B1 - A Polarization Film Sticking Apparatus - Google Patents

Abstract

In the polarizing film double-sided attachment device according to the present invention, the liquid crystal display panel is vertically supplied between the vertical stand, but the lower side between the vertical stand is installed on the upper surface of the horizontal support base rollers are installed at equal intervals The liquid crystal display panel supplied can be supplied in a straight line in an upright state, and a pair of film guides and a pressing roller are installed on both sides of the vertical unit discharge side while attaching polarizing film to both sides of the supplied liquid crystal display panel. On the discharge side of the press roller, a pair of take-out rollers are to be carried out through the panel carrying units installed at equal intervals, and the polarizing film is simultaneously attached to both sides of the liquid crystal display panel supplied upright while simplifying the structure. Simplify and unify structures and processes, It improves work efficiency and productivity by shortening the time to attach the film, and corrects the posture when supplying the liquid crystal display panel to always keep the position where the polarizing film is attached, and the film-attached liquid crystal display panel is installed vertically. Since the pressing roller is repeatedly pressed, the polarizing film can be attached well.

Vertical feed rollers. Leveling roller. Film guide. Vertical export roller. Leveling roller.

Description

Polarizing Film Sticking Apparatus}

1 is a plan view of the polarizing film double-sided attachment device according to the present invention.

Figure 2 is a front view of the polarizing film double-sided attachment device according to the present invention.

              Explanation of symbols on the main parts of the drawings

1: polarizing film double side attachment device 2: panel supply and posture correction

3: polarizing film attachment part 4: discharge part

10: Supply unit 11: vertical stand

12: vertical feed roller 13: forward and backward device

20: Posture Correction 21: Leveling stand

23: horizontal support roller 24: fixed block

25: 훰 26: Worm wheel

27: motor 28: rotating shaft moving device

30: pressing roller 31: film guide

32: vertical transport roller 33: horizontal transport roller

40: liquid crystal display panel 41: polarizing film tape

42: polarizing film 43: protective tape

45: liquid crystal display panel with a film

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a polarizing film double-sided attachment device for simultaneously attaching a polarizing film to both surfaces of a TFT-LCD (Thin Film Transistor-Liquid Crystal Display) panel (hereinafter referred to as "liquid crystal display panel").

To explain this in more detail, a pair of vertical installation units with opposite supply rollers can be installed so that the liquid crystal display panel can be supplied upright, and the support rollers on the upper surface of the horizontal support are provided on the lower side between the vertical installation units. A liquid crystal display panel is installed so that the liquid crystal display panel supplied at equal intervals can be supplied in a straight line in an upright state, and a pair of film guides and pressing rollers are installed on both sides at the discharge side of the vertical unit. Polarizing film is attached on both sides of the panel while it is pressed, and the polarizing film double-sided attachment device that can be carried out (transported) to the next process through the panel carrying part installed at equal intervals on the discharge side of the pressing roller. Is to provide.

Representative conventional apparatuses for attaching a polarizing film on the surface of a liquid crystal display panel include Korean Patent Registration No. 148813, Publication No. 2002-25009, Publication No. 2003-35977, Patent Registration No. 327700, and the like. This is known.

Domestic Patent Registration No. 148813 "Large Liquid Crystal Display Panel Polarizing Film Attaching Device" adsorbs the liquid crystal display panel on the stage fixedly installed on one side of the upper surface of the substrate, and is operated up and down by the head member by a motor and The film adsorbed to the head member while the polarizing film is adsorbed on the head member (front surface) on which the pressure roller is mounted and lowered onto the stage while the support plate on which the motor and the head member are mounted is retracted along the guide rail by the cylinder. While pressing by the pressure roller, it is to be attached to the surface of the liquid crystal display panel adsorbed on the stage.

However, in order to attach the polarizing film to the liquid crystal display panel, the process of placing and drawing the liquid crystal display panel on the stage and adsorbing the polarizing film on the front of the head member is artificially performed or by using a robot or the like. Since the work process is complicated, the efficiency is notably reduced, and the liquid crystal display panel is not placed in the correct position and the polarizing film is not accurately adsorbed on the front of the head member. There is a problem in that the quality can not be accurately attached to the polarizing film, as well as there is a problem that productivity is significantly reduced because the operation is made intermittently rather than continuously.

Patent Document No. 2002-25009 "Film attaching method" is a top surface of a substrate to be conveyed by installing a pair of pressing rollers up and down at predetermined positions of the conveying rollers provided at equal intervals so as to convey (transfer) the substrate. It is possible to compress the bottom and the bottom surface and to supply the film wound on the film roll through the upper compression roller. When the substrate to be conveyed by the conveying roller flows in between the pressing rollers, the film is moved to the upper side of the substrate. The film is attached to the substrate while passing through the pressing roller.

 Publication No. 2003-35977 "Film Attaching Method and Apparatus" is provided with a pair of pressing rollers and heating rollers spaced apart at predetermined positions of the conveying rollers provided at equal intervals so as to convey (transfer) the substrate. The upper surface and the lower surface of the substrate to be pressed can be pressed, and the film wound on the film roll can be supplied while the cover film is peeled off through the upper pressing roller, and the substrate to be conveyed by the conveying roller is When the film is introduced into the pressing rollers, the film with the cover film (peeled off) is supplied to the upper side of the substrate so that the film is attached on the substrate while passing between the pressing rollers, and the substrate with the film is attached to the conveying roller. It is to be more firmly attached through the heating roller when conveyed by.

Patent Registration No. 327700 "Film Attaching Device" compresses the upper and lower surfaces of a substrate to be conveyed by installing a pair of pressing rollers up and down at predetermined positions of conveying rollers provided at equal intervals so as to convey (transfer) the substrate. The lower pressing roller can be operated (open / closed) up and down by the operating device, and the film guide roller operated up and down by the operating device is provided at the front of the upper pressing roller. When supplied, the film guide roller is lowered to make the film contact the substrate, and a pair of nip rollers are provided between the conveying rollers on the discharge side, and the substrate conveyed by the conveying rollers flows in between the pressing rollers. Just before the film is guided by the film guide roller, the film is pre-bonded to the substrate and passes through the pressing roller. Is, As the film is attached to the substrate is conveyed (discharged) to the passes through between the nip roll such that the transfer after being attached to the re-pressing.

However, conventional apparatuses constructed and operated as described above, that is, Patent Application Publication No. 2002-25009 "Film Attachment Method", Patent Publication No. 2003-35977 "Film Attachment Method and Apparatus", and Patents Registration No. 327700 "Film Attaching Devices" has a problem in that the structure is complicated because the liquid crystal display panel (or the substrate) is not placed upright, but is transported (conveyed) and the film is attached. There is a limitation that the film can be attached only to one side of the substrate), and in order to attach the other side, the film is attached while passing the liquid crystal display panel (or substrate) having the film on one side to the film attaching device and the work process is complicated. There is a problem of deterioration, it takes twice the time to attach the film, there is a problem that the work efficiency and productivity is lowered, Since the liquid crystal display panel (or the substrate) is simply taken out or pressed again by another pressing roller, there is also a problem in that the adhesion becomes poor.

The present invention is to provide a polarizing film double-sided attachment device that can solve the above problems.

The present invention is to install a pair of vertical device stand so that the supply rollers are opposed to the liquid crystal display panel to be supplied upright, but the support rollers are mounted on the upper surface of the horizontal support at equal intervals between the vertical stand It is possible to supply the liquid crystal display panel supplied in a straight line in the upright state by installing the corrected posture corrector, and on both sides of the liquid crystal display panel supplied by installing a pair of film guides and pressing rollers on both sides on the discharge side of the vertical unit. The polarizing film is attached and pressed, and the discharge side of the pressing roller is provided with a polarizing film double-sided attaching device that can be carried out (transfer) to the next process through a panel export unit in which a pair of export rollers are installed at equal intervals. There is a purpose.

Another object of the present invention is to attach the polarizing film on both sides simultaneously while the liquid crystal display panel is upright and transported, so that the process can be simplified by a single process while simplifying the structure, and the time to attach the film It is to provide a polarizing film double-sided attachment device that can be shortened to improve the work efficiency and productivity.

Another object of the present invention is to supply the liquid crystal display panel height, that is, to correct the posture to maintain the same height at all times so that the position (height) to which the polarizing film is attached at all times In addition, by discharging the liquid crystal display panel with a polarizing film, a plurality of sets of opposing rollers are installed to repeatedly compress the polarizing film to zoom, thereby maintaining the adhesion of the polarizing film. To provide.

The above and other objects of the present invention,

The polarizing film 42 is attached to the liquid crystal display panel 40 by passing the liquid crystal display panel 40 and the polarizing film 42 supplied through the feed rollers between the pressing rollers 30 facing each other. To be discharged through                         

Panel supply unit 10 is installed so that the vertical device stand 11 mounted at equal intervals so that the vertical feed roller 12 is rotated freely to supply the liquid crystal display panel 40 upright,

A horizontal support roller 22 installed at equal intervals so as to be freely rotated on the horizontal support roller 22 so as to support the liquid crystal display panel 40 which is installed at the lower side of the panel supply part 10 and is supplied upright;

The horizontal support roller 22 moves the horizontal support 21 mounted at equal intervals to the left and right to adjust the left and right deviation so as to match the horizontal state of the vision checking point 40-1 formed at both ends of the liquid crystal display panel 40. Note that the horizontal shifting device 23 of the mounting posture corrector 20,

The horizontal device stand 21 and the horizontal moving device 23 are moved up and down at the same time to adjust the vertical deviation to fit the vertical state of the vision checking point 40-1 formed on both ends of the liquid crystal display panel 40 Rotation axis moving device 28 of the posture corrector 20,

A pair of film guides 31 arranged side by side opposite to the discharge side of the panel supply part 10 to separate the polarizing film tape 41 supplied from the film roll into the polarizing film 41 and the protective tape 43. Wow,

 A pressing roller of the polarizing film attaching part 3, in which a pair is installed at the distal end of the film guide 31 to compress and attach the vertically supplied liquid crystal display panel 40 and the polarizing films 42 supplied to both sides thereof. 30,

A vertically-loaded roller 32 of the panel discharge portion 4, which is installed upright to face the discharge side of the pressing roller 30 so as to face the discharged film-attached liquid crystal display panel 45;

It is characterized in that it comprises a horizontal support roller 33 of the panel discharge portion (4) for supporting the film-mounted liquid crystal display panel 45 is vertically carried out installed on the lower side of the opposite vertical transport roller (32) It is achieved by the polarizing film double side attachment device (1).

The above and other objects and features of the present invention will be more clearly understood by the following detailed description based on the accompanying drawings.

1 and 2 show a specific implementation of the polarizing film double-sided attachment device 1 according to the present invention, Figure 1 is a planar illustration, Figure 2 is a front illustration.

Polarizing film double-sided attachment device 1 according to the present invention, the posture corrector 20 for correcting the posture of the liquid crystal display panel 40 and the corrected posture corrected liquid crystal display panel 40 to supply the upright Polarization that simultaneously attaches the polarizing film 42 to both sides of the panel supply and posture corrector 2 composed of the panel supply unit 10 and the liquid crystal display panel 40 supplied from the panel supply and posture corrector 2. The film attachment part 3 and the polarizing film attachment part 3 were made into the panel discharge part 4 which discharges the film adhesion liquid crystal display panel 45 with the polarizing film 42 attached to both surfaces.

The panel supply part 10 of the panel supply and posture corrector 2 is arranged so that the vertical feed rollers 12 are parallel to a pair of vertical mounting units 11 mounted at equal intervals so that the vertical feed rollers 12 are freely rotated. It was installed to face the liquid crystal display panel 40 so as to be opposed to each other. The vertical mounting stand 11 on either side of the pair of vertical mounting stands 11 was connected by the general forward and backward devices 13. By moving forward / backward, it was possible to approach or space away from the vertical stand 11 on the other side.

The posture corrector 20 of the panel supply and posture corrector 2 is provided with a horizontal support roller 22 on which the horizontal support rollers 22 are mounted at equal intervals so as to support and support the liquid crystal display panel 40 supplied upright. It is installed on the lower side of the panel supply unit 10, the horizontal support rollers 22 are horizontally mounted on the equal intervals 21 is moved horizontally by the horizontal transfer device 23 to adjust the left and right deviation liquid crystal display panel To adjust the horizontal state of the vision check point (40-1) formed on both ends of the 40, the horizontal moving device 23 is a worm 25 by the fixed block 24 to the horizontal unit (21) The worm wheel 25 is fixed horizontally and meshes with the worm wheel 26 rotated forward and backward by the motor 27.

The horizontal device stand 21 and the horizontal moving device 23 are moved up and down at the same time to adjust the vertical deviation to fit the vertical state of the vision checking point 40-1 formed on both ends of the liquid crystal display panel 40 The posture corrector 20 was operated to be moved up and down by the rotary shaft moving device 28. The rotary shaft moving device 28 fixed the worm horizontally to the vertical unit by the fixing block like the horizontal moving device 23. The worm was formed by engaging a worm wheel rotated forward and backward by a motor.

The polarizing film attaching part 3 is provided with a pair of film guides 31 facing each other on the discharge side of the panel supply part 10 so as to face the polarizing film tape 41 supplied from a film roll. And a protective tape 43, and a pair of pressing rollers 30 are installed at the discharge end of the film guide piece 31 so as to vertically feed the liquid crystal display panel 40 and both sides thereof. The polarizing film 42 to be supplied can be pressed and attached.

The panel discharge section 4 is. While maintaining the pair of vertically-rolled rollers 32 at equal intervals on the discharge side of the pressing roller 30, they were installed upright so that the film-attached liquid crystal display panel 45 could be discharged. The horizontal support roller 33 is installed at the lower side of the roller 32 at equal intervals to support the film-attached liquid crystal display panel 45 to be carried out in a vertical state so as to be easily discharged.

The operation relationship will be described below.

The polarizing film attaching device 1 according to the present invention operates as follows.

In the panel supply section 10 of the panel supply and posture corrector 2, the liquid crystal display panel 40 is supplied with a predetermined supply device in a state in which the vertical device stand 11 on one side is reversed by the normal forward and backward devices 13. (Not specifically shown) is supplied to the panel supply unit 10 of the panel supply and posture correcting unit 2, and the liquid crystal display panel 40 is interposed between the vertical unit 11 of the panel supply unit 10. The posture corrector 20 is operated in the inflow state to correct the position of the liquid crystal display panel 40.

When the worm wheel 25 is rotated forward and reverse by the operation of the motor 27 of the horizontal moving device 23 in the posture corrector 20, the horizontal stand 21 moves together with the worm 25. At the same time, when the motor of the rotary shaft shifting device 28 is operated to rotate the worm wheel in the forward and reverse directions, the horizontal mounting base 21 and the horizontal shifting device 23 move together with the worm at the same time, and the horizontal shifting device as described above. When the 23 and the rotating shaft moving device 28 operate at the same time to move the liquid crystal display panel 40 up, down, left, and right, the vision checking points 40-1 on both sides are driven by the vision checking device (not specifically shown). When the checking is completed and the posture of the liquid crystal display panel 40 is corrected together with the horizontal mounting stand 21, the operation of the horizontal mounting stand 21 and the horizontal moving device 23 is stopped.

In the state where the posture of the liquid crystal display panel 40 is corrected, the forward and backward apparatus 3 operates to advance the vertical stand 11 on one side to be slightly spaced so as to approach the vertical stand 11 on the other side.

After adjusting the vertical unit 11 and the horizontal unit 21 of the panel supply unit 10 as described above, the liquid crystal display panel 40 is intermittently and continuously supplied by a predetermined supply unit (not specifically shown). Let it be.

On the other hand, the polarizing film tape 41 wound on the film roll (not specifically shown) flows in between the film guide 31 and the pressing roller 30, and the polarizing film 42 is supplied to the pressing roller 30 side. The protective tape 43 is bent at the tip of the film guide 31 and moved downward to be discharged to the outside and wound around a recovery roll (not specifically shown) to be recovered.

The liquid crystal display panel 40, which is supported by the horizontal support roller 22 and is supplied through the vertical feed rollers 12, is pressed against the film guide 31 and the pressing roller of the polarizing film attachment portion 3 spaced apart from each other. 30 passes through the film guide 31, and the polarizing films 42 on both sides separated from the protective tape 43 are positioned on both sides of the liquid crystal display panel 40 when passing through the film guides 31. While the liquid crystal display panel 40 and the polarizing films 42 on both sides pass between the pressing rollers 30, the polarizing films 42 on both sides are attached to both sides of the liquid crystal display panel 40, and polarized on both sides. The film-attached liquid crystal display panel 45 with the film 42 is transferred to the next step through the panel discharge unit 4, and the bottom surface thereof is transferred to the horizontal support roller 33 when passing through the panel discharge unit 4. By the vertical transport rollers 32 supported by and opposed to both sides. Since the support film adhered liquid crystal display panel 45 is smoothly be discharged.

The polarizing film attaching device 1 according to the present invention is to attach the polarizing film 42 to both sides of the liquid crystal display panel 40 by repeatedly and continuously performing the above process.

Although the invention has been described in detail only with respect to the specific examples described, it will be apparent to those skilled in the art that various modifications and variations are possible within the spirit of the invention, and such modifications and variations belong to the appended claims.

The present invention is to install a pair of vertical device stand so that the supply rollers are opposed to the liquid crystal display panel to be supplied upright, but the support rollers are mounted on the upper surface of the horizontal support at equal intervals between the vertical stand It is possible to supply the liquid crystal display panel supplied in a straight line in the upright state by installing the corrected posture corrector, and on both sides of the liquid crystal display panel supplied by installing a pair of film guides and pressing rollers on both sides on the discharge side of the vertical unit. The present invention relates to a polarizing film double-sided attaching device which is pressed while attaching a polarizing film, and which can be carried out (transferred) to the next process through a panel carrying unit having a pair of export rollers installed at equal intervals on the discharge side of the pressing roller. Amount of liquid crystal display panel supplied upright while simplifying the structure It is possible to improve the work efficiency and productivity by unifying the process of attaching the polarizing film at the same time, shortening the time to attach the film, and to maintain the same height at all times by correcting posture when supplying the liquid crystal display panel. Since the polarizing film is always attached to the same position, the removal process can be automated even when the polarizing film is removed in a later process, and the removal process can be automated. Since the polarizing film is repeatedly pressed by providing a plurality of sets of the export rollers facing each other when discharged, the adhesion of the polarizing film can be maintained well.

Claims (4)

The polarizing film 42 is attached to the liquid crystal display panel 40 by passing the liquid crystal display panel 40 and the polarizing film 42 supplied through the feed rollers between the pressing rollers 30 facing each other. To be discharged through A pair of vertical device stands 11 mounted at equal intervals so that the vertical feed rollers 12 are freely rotated so as to face each other, and the panel supply part 10 for supplying the liquid crystal display panel 40 upright; A horizontal support roller 22 installed at equal intervals so as to be freely rotated on the horizontal support roller 22 so as to support the liquid crystal display panel 40 which is installed at the lower side of the panel supply part 10 and is supplied upright; The horizontal support roller 22 moves the horizontal support 21 mounted at equal intervals to the left and right to adjust the left and right deviation so as to match the horizontal state of the vision checking point 40-1 formed at both ends of the liquid crystal display panel 40. Note that the horizontal shifting device 23 of the mounting posture corrector 20, The horizontal device stand 21 and the horizontal moving device 23 are moved up and down at the same time to adjust the vertical deviation to fit the vertical state of the vision checking point 40-1 formed on both ends of the liquid crystal display panel 40 Rotation axis moving device 28 of the posture corrector 20, A pair of film guides 31 arranged side by side opposite to the discharge side of the panel supply part 10 to separate the polarizing film tape 41 supplied from the film roll into the polarizing film 41 and the protective tape 43. Wow,  A pressing roller of the polarizing film attaching part 3, in which a pair is installed at the distal end of the film guide 31 to compress and attach the vertically supplied liquid crystal display panel 40 and the polarizing films 42 supplied to both sides thereof. 30, A vertically-rolled roller 32 of the panel discharge portion 4, which is installed upright to face the discharge side of the pressing roller 30, and discharges the film-attached liquid crystal display panel 45; It is characterized in that it comprises a horizontal support roller 33 of the panel discharge portion (4) for supporting the film-mounted liquid crystal display panel 45 is vertically carried out installed on the lower side of the opposite vertical transport roller (32) Polarizing film double side attachment device. The method according to claim 1, wherein one of the pair of vertical racks 11, in which the vertical feed rollers 12 are mounted at equal intervals, is moved forward / backward by the usual forward and backward devices 13; Polarizing film double-sided attachment device, characterized in that to be able to kill. The horizontal movement apparatus 23 of claim 1, wherein the horizontal support 21 moves the horizontal support 21 to the left and right to adjust the horizontal state of the liquid crystal display panel 40. It is characterized in that the worm 25 is fixed horizontally to the horizontal unit stand 21 by the fixing block 24 and the worm 25 is joined to the worm wheel 26 rotated forward and backward by the motor 27. Polarizing film double side attachment device. The rotating shaft moving device 28 according to claim 1, wherein the horizontal device stage 21 and the horizontal moving device 23 move up and down to adjust the vertical state of the liquid crystal display panel 40. The horizontal moving device 23, the polarizing film double-sided attachment device, characterized in that the worm is fixed horizontally to the vertical unit by a fixed block and the worm wheel is joined to the worm by the motor.

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