CN101604044B

CN101604044B - Polarizer attachment device

Info

Publication number: CN101604044B
Application number: CN2009101515841A
Authority: CN
Inventors: 咸珉洙; 金东昱; 李龙柱; 尹武烈
Original assignee: SFA Engineering Corp
Current assignee: SFA Engineering Corp
Priority date: 2006-04-28
Filing date: 2007-04-27
Publication date: 2012-11-07
Anticipated expiration: 2027-04-27
Also published as: CN100573203C; KR20070106313A; KR100847697B1; CN101063727A; CN101604044A

Abstract

The present invention provides an attached device for a polarizer, comprising an up-right transfer line, an attached bench to the polarizer and a separation bench. The transfer line transfers panels in upright state. The attached bench attaches the polarizer to the panel. The separation bench separates protection film attached to upper part of the polarizer, wherein the separation bench and the attached bench are standard type an move predetermined circle path, in the path, a loading step, a separating step and an attaching step for the polarizer are carried out at individual step position.

Description

The polarizer adhesion equipment

The application is an original application application number 2007100976733, and denomination of invention is divided an application for " diaphragm separation head unit and the equipment with diaphragm separation head unit ".

Technical field

The present invention relates to a kind of diaphragm adhesion unit and a kind of equipment that is used for polarizer is attached to liquid crystal display (LCD) panel with said diaphragm adhesion unit; And more particularly, relate to and a kind ofly simplify cellular construction, reduce floor area and shorten diaphragm adhesion unit and a kind of equipment that is used for polarizer is attached to the said diaphragm adhesion unit of having of LCD panel of tack time.

Background technology

Polarizer is attached to the both sides of LCD panel, and optionally only the transmission transmission cross the light of high vibration on specific direction in the light of panel.Produce polarizer in worker factory and office through diaphragm being attached to the polarizer both sides.Therefore, at LCD panel maquila place, before polarizer is attached to the LCD panel, remove or use the bonding diaphragm that removes polarizer that brings by hand by the workman.Yet, because this handwork reduces throughput rate,, introduced a kind of polarizer adhesion equipment so consider the problems referred to above, it can remove diaphragm and the polarizer that separates is attached to the LCD panel and does not need handwork from polarizer.

Fig. 1 explains the configuration of conventional polarizer adhesion equipment.Referring to Fig. 1, conventional polarizer adhesion equipment comprises independent polarizer attachment portion 7, polarizer supply section 2 and the diaphragm separating part of arranging 1.

Said polarizer attachment portion 7 is carried out series of steps directly to adhere to polarizer with the separate protection film.In polarizer attachment portion 7, the diaphragm (not shown) that is attached to polarizer is separated with polarizer through diaphragm separating part 1.Said polarizer supply section 2 is to polarizer supply diaphragm.Polarizer supply section 2 be provided as be independent of polarizer attachment portion 7 and with the equipment of polarizer attachment portion 7 predetermined distance apart L.

Said diaphragm separating part 1 moves to polarizer attachment portion 7, and the diaphragm that is attached to the polarizer that is supplied to polarizer attachment portion 7 is separated.Diaphragm separating part 1 equally is provided as autonomous device as polarizer supply section 2, and with polarizer attachment portion 7 predetermined distance apart L so that can withdraw near polarizer attachment portion 7 with from polarizer attachment portion 7.

Although shows in detail not, diaphragm separating part 1 makes the diaphragm that is attached to polarizer separate with polarizer when being configured under adhesive strip is attached to the situation of diaphragm, on a direction, to move.Therefore, diaphragm comprises the feed rolls of supplying adhesive strip, is collected in diaphragm and separates the collecting drum of the band that exhausts bounding force after accomplishing and the peripheral component that supports feed rolls and collecting drum.The main body (not shown) of the outward appearance that forms diaphragm separating part 1 is dismantled and be assembled into to these elements individually.Therefore, in order to change adhesive strip, need carry out complicated dismounting and number of assembling steps.

In the operation of the conventional polarizer adhesion equipment that as above disposes, as shown in Figure 1, polarizer supply section 2 is fed to polarizer attachment portion 7 (1) through the polarizer that polarizer displacement L will be had diaphragm, and then turns back to the original position (2).Although not shown, the polarizer of being supplied is fixed on the polarizer that is positioned over polarizer attachment portion 7 and inhales in the state on the mould (polarizer sucking die) (not shown).

Next, the diaphragm separating part 1 displacement L that is provided at the position different with the position of polarizer supply section 2 independently is with near polarizer attachment portion 7 (3).Then, diaphragm separating part 1 descends, and makes the adhesive strip that is provided in the diaphragm separating part 1 can be adhered to diaphragm, and when adhesive strip is adhered to diaphragm, on a direction, rise (4).Because polarizer is fixed by the polarizer suction mould that is provided in the polarizer attachment portion 7, thereby when diaphragm separating part 1 moves on said direction (4), diaphragm separating part 1 separates the diaphragm that is attached to polarizer.

When the diaphragm that is attached to polarizer separates with said polarizer at the place, working position that polarizer attachment portion 7 is positioned at; Polarizer attachment portion 7 moves LCD panel (not shown); Make the surface that polarizer is attached to the LCD panel, thereby carry out the polarizer attachment steps.Likewise repeat the step of said series to each LCD panel.

Yet in conventional polarizer adhesion equipment, because diaphragm separating part 1 is provided as the equipment that is independent of polarizer supply section 2, thereby become complicacy and floor area of the structure of said equipment increases.And, because diaphragm separating part 1 moves with respect to polarizer attachment portion 7 respectively with polarizer supply section 2, thereby the extra increase of displacement of diaphragm separating part 1 and polarizer supply section 2, make the corresponding prolongation of tack time.

In addition, in conventional polarizer adhesion equipment,, thereby need carry out complicated dismounting and number of assembling steps and change adhesive strip because the feed rolls and the collecting drum of diaphragm separating part 1 are assembled in specific location separately.Therefore, increase the job step number, and further prolonged the maintenance and repair time.In particular, at the maintenance and repair time durations, because the series of steps that need stop to be used to adhere to polarizer, thereby operation of equipment speed reduces, and makes throughput rate significantly reduce.

And; In said polarizer adhesion equipment; Because the adhesive strip of diaphragm separating part 1 is because the cause of the error of mechanical tolerance and not exclusively form the surface contact for example, thereby diaphragm do not separate with polarizer reposefully, makes the isolated yield of diaphragm descend.

In above-mentioned polarizer adhesion equipment, the step of actual separation diaphragm is carried out by the diaphragm separation head unit (not shown) with adhesive strip.Therefore, when the polarizer with diaphragm was loaded on the front of execute protection film separating step, the diaphragm separation head unit was near polarizer.When the adhesive strip that is provided at diaphragm separation head unit place was attached to diaphragm, along with the diaphragm separation head unit is withdrawn, diaphragm can separate with polarizer.

Therefore, the diaphragm separation head unit comprises the feed rolls of supplying new adhesive strip, abuts against diaphragm pressed adhesive strip and make adhesive strip can be adhered to the touch roll of diaphragm and the collecting drum that collection exhausts the discarded adhesive strip of the bounding force that is used for separating protective film.The driver element that provides driving feed rolls and collecting drum independently to rotate at each place of feed rolls and collecting drum.

When the diaphragm separating step began, feed rolls and collecting drum rotated in preset range respectively.Therefore, the new adhesive strip of a part that discharges from feed rolls is towards the outside surface of touch roll, and the discarded adhesive strip that exhausts bounding force is collected.

Suitably collect in order to make discarded adhesive strip be collected roller, the adhesive strip release rate of feed rolls need mate with the discarded adhesive strip speed of wrap of collecting drum.Otherwise (that is, release rate and speed of wrap do not match), adhesive strip is discharged by loosely along the path that connects feed rolls and collecting drum.Therefore, execute protection film separating step makes during said step, possibly produce defective reposefully.

Yet according to routine techniques, for the discarded adhesive strip speed of wrap coupling of the adhesive strip release rate that makes feed rolls and collecting drum, the rotation to feed rolls and collecting drum applies synchro control.Said synchro control is difficulty and complicated in fact very.

Say that at length in order to make release rate and the speed of wrap coupling between feed rolls and the collecting drum, even just use feed rolls and the collecting drum with same size from the outset, the amount that is wrapped in feed rolls and collecting drum adhesive strip on every side also can change constantly.That is to say that the overall diameter of feed rolls that is wound with a large amount of new adhesive strips on every side is at first greater than the overall diameter of collecting drum.Yet along with the carrying out of diaphragm separating step, the overall diameter that is wound with the collecting drum of discarded adhesive strip on every side becomes greater than the overall diameter of feed rolls subsequently.Therefore, consider said problem, initial collecting drum rotates sooner than feed rolls, and feed rolls is rotated sooner than collecting drum subsequently.Yet synchro control is difficulty and complicated in fact very.When synchro control is carried out well, be difficult to make the tension force that is positioned at the adhesive strip on the path that connects feed rolls and collecting drum to keep constant.Therefore, possibly produce various defective workmanships, for instance, execute protection film separating step reposefully.

And, owing to need the plenty of time to carry out conventional diaphragm separating step, thereby prolonged tack time usually.That is to say, although can carry out other step of for example adhering to polarizer fast, owing to be used to carry out the time increase of diaphragm separating step, thereby prolonged overall tack time and reduced throughput rate.

Summary of the invention

In order to solve above-mentioned and/or other problem, the present invention provides a kind of polarizer adhesion equipment, and it can shorten the time that is used to carry out the diaphragm separating step, makes to shorten tack time and improve throughput rate.

According to an aspect of the present invention, the polarizer adhesion equipment comprises: upright line of transference, and it shifts the panel under the erectility; Polarizer adheres to platform, and it is attached to panel with polarizer; And separating table; Its separation is attached to the diaphragm on polarizer top; Wherein to adhere to platform be the universal stage type and move predetermined circulating path for separating table and polarizer; In said predetermined circulating path; Carry out polarizer at step location place separately and load step, separating step and polarizer attachment steps, said separating table and said polarizer adhere to platform and are rotated with respect to the central shaft of said polarizer adhesion equipment, and said universal stage type is the rotation type with respect to the central shaft rotation of said polarizer adhesion equipment; Wherein, Four said polarizers adhere to platform through arranging that said plate is carried out said polarizer and loaded step, said separating step and said polarizer attachment steps with the constant speed rotation, and at the place, separation point position that carries out said separating step a said separating table only is provided on the plate of said polarizer adhesion equipment, to separate constant interval.

According to another aspect of the invention, said polarizer adheres to platform and can tilt, and makes the said polarizer that is in polarizer attachment position place adhere to the approaching said panel in end of platform.

In accordance with a further aspect of the present invention; Adhere to Tai Chu at said polarizer slide plate is provided; The rear end of said slide plate said polarizer of fixing during said polarizer is attached to said panel is to allow under the state of the tension force of keeping specified quantitative, said polarizer being attached to said panel.

Description of drawings

To be easier to understand above-mentioned and other feature and advantage of the present invention through describing the preferred embodiments of the present invention in detail referring to accompanying drawing, in the accompanying drawings:

Fig. 1 explains the configuration of conventional polarizer adhesion equipment.

Fig. 2 explanation is according to the configuration of the polarizer adhesion equipment of the embodiment of the invention.

Fig. 3 is the local enlarged perspective of the polarizer adhesion equipment of Fig. 2.

Fig. 4 is the decomposition diagram of the part A of Fig. 3.

Fig. 5 explains the state of the adhesive strip that has removed Fig. 4 and the decomposition diagram of watching from different directions.

Fig. 6 is the skeleton view of the diaphragm separation head unit that is coupled of adhesive strip.

Fig. 7 and Fig. 8 explain the step of unequal protection film separation head unit.

Fig. 9 explains the clamp apparatus of diaphragm separation head unit.

Figure 10 is the skeleton view of the state that is held of explanation diaphragm.

Figure 11 explains the progressively step of separating protective film to Figure 13.

Figure 14 is the local enlarged perspective of polarizer adhesion equipment according to another embodiment of the present invention.

Figure 15 explains the polarizer adhesion equipment step of separating protective film progressively of using Figure 14 to Figure 17.

Figure 18 and Figure 19 explain the operation of Tension Control buffer portion of the diaphragm separation head unit of Figure 14.

Figure 20 explanation is according to the layout of the polarizer adhesion equipment of further embodiment of this invention.

Embodiment

Referring to the accompanying drawing that is used to explain the preferred embodiment of the present invention so that obtain making much of to the present invention, purpose that its advantage and embodiment of the present invention realized.Hereinafter will be through describing the present invention in detail referring to the explained preferred embodiment of the present invention.Same reference numerals is represented similar elements among the figure.

Fig. 2 explanation is according to the configuration of the polarizer adhesion equipment of the embodiment of the invention.Fig. 3 is the local enlarged perspective of the polarizer adhesion equipment of Fig. 2.

Referring to Fig. 2 and 3, comprise according to the polarizer adhesion equipment of present embodiment: polarizer attachment portion 70, the polarizer that can move are inhaled mould 75 and are coupled to said polarizer attachment portion 70; With polarizer supply section 20, diaphragm separation head unit 10 monoblock types are coupled to said polarizer supply section 20.Said polarizer attachment portion 70 is provided on the front 50 with working position 60 with said polarizer supply section 20, at 60 places, said working position diaphragm F (please referring to Fig. 7) is separated with polarizer P (please referring to Fig. 7).

The polarizer attachment portion 70 polarizer P that diaphragm F is separated is attached to the surface of LCD panel (not shown).Therefore, polarizer attachment portion 70 comprises the part that is used for fixing LCD panel, the part that is used to support the part of polarizer P and is used for polarizer P is attached to the LCD panel.Yet; Because present embodiment concentrates on the step of the surface isolation that makes diaphragm F and polarizer P; Thereby this paper will mainly describe the polarizer that polarizer P is supported in the polarizer attachment portion 70 and inhale mould 75, and will omit the description about the structure of polarizer attachment portion 70.

Polarizer supply section 20 is fed to working position 60 with the polarizer P that diaphragm F is adhered to.Polarizer supply section 20 (for example) with vacuum suction mode fixing polarizer P shifts polarizer P along front 50, inhales mould 75 with the polarizer that polarizer P is fed to 60 places, working position.

Diaphragm separation head unit 10 monoblock types are coupled to polarizer supply section 20, and said diaphragm separation head unit 10 supplies and collection are adhered to the adhesive strip T of diaphragm F with separating protective film F.Therefore, when polarizer supply section 20 moved to working position 60 or turns back to the original position, diaphragm separation head unit 10 moved together.

In the present embodiment, during supply polarizer P, the polarizer of polarizer attachment portion 70 is inhaled mould 75 and the polarizer supply section 20 with diaphragm separation head unit 10 and on approximating direction, 60 is moved towards the working position.Polarizer is inhaled moving of mould 75 and polarizer supply section 20 and is controlled by linear motor (not shown).That is to say that linear segment makes polarizer inhale mould 75 and polarizer supply section 20 towards the working position 60 and closer to each other with supply polarizer P, and with respect to working position 60 and separated from one another with separating protective film F.

At length say; Polarizer supply section 20 moves to the centre position (0.5L) between the original position of polarizer attachment portion 70 and polarizer supply section 20; And with the mobile while of polarizer supply section 20 or greatly when polarizer supply section 20 moves, the polarizer of polarizer attachment portion 70 is inhaled mould 75 and is also moved to the centre position.Then; Polarizer supply section 20 is being withdrawn on the direction in the original position of polarizer supply section 20, makes that the diaphragm separation head unit 10 in the top of the front surface that is provided at polarizer supply section 20 flushes with the end of the polarizer P that is positioned at polarizer suction mould 75 places.Next; Move (0.5L) to its original position under the state of the diaphragm F of polarizer supply section 20 in the top of diaphragm separation head unit 10 contact polarizer P; And with the mobile while of polarizer supply section 20 or greatly when polarizer supply section 20 moves; Polarizer is inhaled mould 75 and is also moved (0.5L) to its original position, makes diaphragm F in the top of separable polarizer P.

Because diaphragm separation head unit 10 is not provided as autonomous device; But being coupled to polarizer supply section 20, monoblock type can move with polarizer supply section 20; Thereby compare with the conventional equipment that independently provides, simplify the general structure of equipment and can reduce floor area.That is to say; In the polarizer attachment portion 70 of tight separation with respect to working position 60 and each other and polarizer supply section 20; It is closer to each other and separated from one another because the diaphragm separation head unit 10 at the polarizer of polarizer attachment portion 70 a suction mould 75 and a side place that is provided at polarizer supply section 20 passes through front 50 with supply polarizer P and separating protective film F with respect to working position 60; Thereby compare with routine techniques, can displacement be reduced to 0.5L.Therefore, can significantly shorten tack time.

Fig. 3 is the local enlarged perspective of the polarizer adhesion equipment of Fig. 2.Fig. 4 is the decomposition diagram of the part A of Fig. 3.Fig. 5 explains the state of the adhesive strip that has removed Fig. 4 and the decomposition diagram of watching from different directions.Fig. 6 is the skeleton view of the diaphragm separation head unit that is coupled of adhesive strip.

Shown in Fig. 3 to 6, a pair of head unit support section 21 that almost reaches the width of polarizer P separated from one another is provided in the top of front surface of polarizer supply section 20.Diaphragm separation head unit 10 removably is coupled to each in the head unit support section 21.Diaphragm separation head unit 10 is coupled to each inboard in the head unit support section 21.Therefore, the diaphragm separation head unit 10 of head unit support section 21 has symmetrical structure.Inner structure is identical with operation and function.

Diaphragm separation head unit 10 comprises unit main body 11, feed rolls 12, collecting drum 13 and touch roll 14.Adhesive strip T is wrapped in around feed rolls 12, collecting drum 13 and the touch roll 14.Also can be attached to head unit support section 21 owing to the diaphragm separation head unit 10 that is wound with feed rolls 12, collecting drum 13 and the touch roll 14 of adhesive strip T around having is fabricated as integrally with dismantling, thereby need new adhesive strip T is not installed on feed rolls 12 and remove discarded adhesive strip T through the dismounting and the number of assembling steps of complicacy from collecting drum 13.

That is to say; When the use of accomplishing diaphragm separation head unit 10 or when needing place under repair; Owing to can easily diaphragm separation head unit 10 be separated with head unit support section 21, thereby diaphragm separation head unit 10 is changed by new diaphragm separation head unit.Therefore, compare, significantly reduced according to adhesive strip T and changed the job step number that carries out, make and shorten the maintenance and repair time with routine techniques.And, owing to shortened the working time, thereby increased operation of equipment speed, make and compare with routine techniques, can improve throughput rate.

Unit main body 11 comprises the first plate 11a and the second plate 11b, and a said plate 11a and the said second plate 11b are coupled to each other with predetermined separation spacing.The a pair of guide rod 15 of guiding feed rolls 12, collecting drum 13 and coupling position is coupled to the first plate 11a.Because coupling unit 38 (hereinafter will be described) is inserted among the first plate 11a, thereby the first plate 11a has relatively large size than the second plate 11b.

Feed rolls 12 is coupled to the surface of the first plate 11a, and still untapped adhesive strip T is wrapped in around the feed rolls 12.Therefore, new adhesive strip T discharges from feed rolls 12 at first, through touch roll 14, and is finally collected by collecting drum 13.For this purpose, feed rolls 12 need be controlled at the lasting schedule time of rotation on the direction.Because feed rolls 12 is coupled to the feed rolls motor coupling part 22 that is provided at head unit support section 21 inboards, so be connected to the rotation (please referring to Fig. 3) of the feed rolls CD-ROM drive motor 32 control feed rolls 12 of feed rolls motor coupling part 22.

Collecting drum 13 is installed in the central area on the surface of the first plate 11a, and collects the discarded adhesive strip T that exhausts bounding force through contact and separating protective film F.The same with feed rolls 12; Collecting drum 13 is connected to the collecting drum motor coupling part 23 that is provided at head unit support section 21 inboards; And therefore, the rotation of collecting drum 13 is by the collecting drum CD-ROM drive motor that is connected to collecting drum motor coupling part 23 33 controls (please referring to Fig. 3).Feed rolls 12 is rotated on equidirectional with identical speed with collecting drum 13.

Touch roll 14 is provided at the place, end of the first and

second plate

11a and 11b, so that be positioned at locating bottom of diaphragm separation head unit 10.Touch roll 14 form adhesive strip T from feed rolls 12 to the advance path on institute edge of collecting drum 13.Be positioned at adhesive strip T contact protection film F during separating protective film F of the outer surface of touch roll 14.

Contact for the adhesive strip T that makes the outer surface that is positioned at touch roll 14 is completed into the surface with diaphragm F, diaphragm separation head unit 10 descends and abuts against diaphragm F face contact roller 14.And diaphragm separation head unit 10 needs to tilt.Therefore, touch roll 14 preferably has cushion effect.

For this purpose, further locate to provide and abut against the buffer portion 14a (please referring to Fig. 4 amplifier section) that cushion effect is provided by the touch roll 14 of voltage protection film F at the two ends of the touch roll 14 of the contact first and second plate 11a and 11b.Although can use any material that cushion effect can be provided as buffer portion 14a, in the present embodiment, the O shape ring 14a that is formed by the resilient material with specific elastic force is coupled to contact roll shaft 14b.

For the O shape ring 14a that is formed by resilient material, when the power that is lower than specified quantitative was applied to touch roll 14, touch roll 14 can be located along the central axis of contact roll shaft 14b exactly.Yet when the power that surpasses said specified quantitative was applied to touch roll 14, O shape ring 14a shrank, and makes that move the position of touch roll 14 (please referring to Fig. 4).The position of touch roll 14 is by the reason that external force changes; When touch roll 14 contacts with each other (shown in the circle part (a) of Fig. 4) with diaphragm F is undesired; Proofread and correct the position of touch roll 14, make the whole surperficial contact protection film F (shown in the circle part (b) of Fig. 4) of touch roll 14.Therefore, make the failure rate of mask work minimize.The structure of touch roll 14 has the double structure of excircle part and central shaft, and rubber-like O shape ring 14a is inserted in excircle partly and in the space between the central shaft, makes excircle partly have specific admissible space.

A plurality of distance pieces 16 further are provided at around touch roll 14, collecting drum 13 and the feed rolls 12.Said distance piece 16 is provided between the first plate 11a and the second plate 11b.Because each two ends of distance piece 16 are fixed to first and second plate 11a and the 11b, thereby distance piece 16 makes first and second plate 11a separate with 11b.

And, further use distance piece 16 that tension force is applied to adhesive strip T to prevent to be wrapped in feed rolls 12, touch roll 14 and collecting drum 13 adhesive strip T sagging on every side.Referring to Fig. 6, adhesive strip T through except by also supporting winding by distance piece 16 feed rolls 12, touch roll 14 and the collecting drum 13 with being tightened up.

Shown in Figure 4 and 5, further use coupling unit 38 to adhere to and dismantle as above the diaphragm separation head unit 10 of configuration with respect to head unit support section 21.Coupling unit 38 comprises: shaft portion 38b, and it is inserted in the grooving 18, and said grooving 18 cuts the first plate 11a preset distance through outside-in and processes; Threaded portion 38a, it is formed on the external peripheral surface of shaft portion 38b and spiral is coupled to the coupling hub 28 that is provided at head unit support section 21 places; With handle operation part 38d, the end that it is arranged in first plate 11a outside and is formed on shaft portion 38b makes threaded portion 38a be inserted in the coupling hub 28.

Around diameter further is formed on handle operation part 38d along the longitudinally of shaft portion 38b greater than the extension diameter parts 38c of the diameter of shaft portion 38b.Therefore, when the zone between extension diameter parts 38c and the handle operation part 38d is inserted in the grooving 18, the stationkeeping of the shaft portion 38b of coupling unit 38.

After shaft portion 38b was inserted in the grooving 18, handle operation part 38d made the threaded portion 38a of shaft portion 38b be coupled to coupling hub 28 in the outside rotation of the first plate 11a.Therefore, diaphragm separation head unit 10 can easily be coupled to head unit support section 21.

Yet, in the present embodiment, the coupling position guiding piece 24 of guiding coupling position is provided further.When diaphragm separation head unit 10 is coupled to head unit support section 21, can reduce the inconvenience and the time that the shaft portion 38b of coupling unit 38 are coupled to coupling hub 28.

Coupling position guiding piece 24 comprises a pair of from the first plate 11a of diaphragm separation head unit 10 outstanding guide rod 15 and a pair of bar insertion portion 25 that is formed on the head unit support section 21 that is arranged in opposite side, and guide rod 15 is inserted in the said bar insertion portion 25.Restriction guide rod 15 further is formed on each place of guide rod 15 with respect to the stop section 15a of the insertion depth of bar insertion portion 25.

Therefore; When diaphragm separation head unit 10 is coupled to head unit support section 21; The guide rod 15 that is formed on the diaphragm separation head unit 10 is inserted in the bar insertion portion 25 that is formed in the head unit support section 21, and then makes assembling be coupled diaphragm separation head unit 10 and head unit support section 21 of coupling unit 38 very easily.

Opposite with present embodiment, coupling position guiding piece 24 can be formed in the head unit support section 21, and bar insertion portion 25 can be formed in the diaphragm separation head unit 10.

As stated, when adhesive strip T was not adhered to diaphragm F, the isolated yield of diaphragm F was reduced.Therefore, be adhered to diaphragm F fully, abut against diaphragm F, make touch roll 14 be attached to diaphragm F fully by voltage protection film separation head unit 10 in order to make adhesive strip T.

In the present embodiment, further provide to make the sloping portion 30 of diaphragm separation head unit 10, make the adhesive strip T of touch roll 14 be attached to diaphragm F fully with respect to polarizer supply section 20 predetermined oblique angle.

The step of Fig. 7 and 8 explanation unequal protection film separation head units.Referring to Fig. 7 and 8, sloping portion 30 comprises: the first carriage 30c, and it is coupled to polarizer supply section 20; The second carriage 30d, it is coupled to diaphragm separation head unit 10; Coupling part 30a, one of which end are coupled to the first carriage 30c that can pivot, thereby form hinge axis 30b, and the other end is coupled to the second carriage 30d; With elastomeric element 30f, its two ends are coupled to the first carriage 30c and the 3rd carriage 30e respectively, and said the 3rd carriage 30e is coupled to diaphragm separation head unit 10, so that the diaphragm separation head unit 10 that tilts turns back to the original position.Elastomeric element 30f is tension spring 30f.

As shown in Figure 7, the individually actuating device (not shown) that is provided at polarizer supply section 20 places makes diaphragm separation head unit 10 descend towards the upper surface of the diaphragm F that is attached to polarizer P.Therefore, diaphragm separation head unit 10 is positioned at the upper surface top of diaphragm F.As the step before the separating protective film F, touch roll 14 is moved to the end of diaphragm F, make that diaphragm F can be from its end separation.In the case, touch roll 14 drops to the end that is lower than diaphragm F, the feasible end that can push down the diaphragm F that wherein begins mask work.

When mask work began, when the touch roll 14 of diaphragm separation head unit 10 moved on the indicated direction of arrow as shown in Figure 8, diaphragm separation head unit 10 separated with the first carriage 30c with respect to hinge axis 30b, and towards preceding tilt.Tilt to make the end of touch roll 14 and diaphragm F to form surperficial completely the contact.Even when forming surperficial contact completely because of touch roll 14 inclinations, also further downward face contact roller 14 makes conduct be provided at the O shape ring 14a contraction of the buffer unit at place, touch roll 14 two ends.Therefore, adhesive strip T forms surperficial completely the contact with the end of diaphragm F.

Fig. 9 explains the clamp apparatus of diaphragm separation head unit.Referring to Fig. 9, clamp 35 is coupled to a side of diaphragm separation head unit 10.In the present embodiment, clamp 35 is provided at a side that is adjacent to touch roll 14 of unit main body 11.Therefore, when diaphragm F was attached to the separation of adhesive strip T and execute protection film F of touch roll 14, clamp 35 abutted against the side of unit main body 11 by voltage protection film F, makes to prevent that separate protection film F from fleeing from touch roll 14.

Clamp 35 can pivot around a certain turning axle (not shown).That is to say that clamp 35 kept separating with touch roll 14 in the initial period of mask work.When the end of diaphragm F is separated with polarizer P and is attached to touch roll 14, clamp 35 pivot and abut against touch roll by voltage protection film F with fixing diaphragm F.

When diaphragm F separated fully, separate protection film F was by retained part 40 (hereinafter description) clamping.Abutted against unit main body 11 and turned back to the original position by the clamp 35 of voltage protection film F sidepiece, make retained part 40 reposefully clamping diaphragm F so that collect.

Figure 10 is the skeleton view of the state that is held of explanation diaphragm.Referring to Fig. 3 and 10, retained part 40 further is provided on front 50, with the part of clamping separate protection film F, make complete separate protection film F to separate with the adhesive strip T of diaphragm separation head unit 10.

Retained part 40 is provided as on front 50 perpendicular to separated from one another a pair of of the separated direction of diaphragm F, with the said part of clamping separate protection film F.When retained part 40 clamping diaphragm F, the diaphragm F that is pulled by attaching to adhesive strip T separates with adhesive strip T and can be removed.As stated, abut against unit main body 11 and turn back to its original position by the clamp 35 of voltage protection film F sidepiece, and retained part 40 clamping and collect diaphragm F reposefully.

Retained part 40 comprises clamping main body 41 and first supporting rod 42 and second supporting rod 43, and said first supporting rod 42 and second supporting rod 43 are coupled to the both sides of clamping main body 41 so that can at least one direction, rotate with clamping diaphragm F.In first and second supporting

rods

42 and 43 each has curved rod shape " L ", and at clamping main body 41 places in the rotation of the surface of polarizer P clamping diaphragm F.Be positioned at the length that the length of first supporting rod 42 of outside is longer than second supporting rod 43 relatively, so that clamping diaphragm F effectively.

The series of steps that the hereinafter description uses the polarizer adhesion equipment of as above configuration that diaphragm F is separated with polarizer.

Figure 11 to 13 explains the progressively step of separating protective film.Shown in figure 11, the polarizer supply section 20 of the polarizer P that vacuum suction diaphragm F is adhered to is positioned at initial position (B), and the suction of the polarizer in the polarizer attachment portion 70 mould 75 is positioned at initial position (A).

At first, polarizer supply section 20 is moved horizontally to zone by the working position 60 of dotted line indication with supply polarizer P along front 50.The diaphragm separation head unit 10 that is arranged in the top of polarizer supply section 20 moves to working position 60 together with polarizer supply section 20 along front 50.With the mobile while of diaphragm separation head unit 10 or greatly when diaphragm separation head unit 10 moves, the polarizer in the polarizer attachment portion 70 is inhaled mould 75 and is moved horizontally to the zone by the working position 60 of dotted line indication along front 50.

Next; When polarizer supply section 20 and diaphragm separation head unit 10 during near working position 60 (shown in figure 12); The vacuum that is applied to by the polarizer P of polarizer supply section 20 fixings is removed, and makes that polarizer P is placed on the polarizer that vertically is positioned at polarizer supply section 20 belows to be inhaled on the mould 75.

Next; When polarizer inhales that mould 75 uses the lower surface of vacuum suction fixing polarizer P and the polarizer P that therefore supplied when being inhaled mould 75 and firmly supported by polarizer; The initial position of polarizer supply section 20 is withdrawn and moved to diaphragm separation head unit 10 slightly, make diaphragm separation head unit 10 touch roll 14 be placed on polarizer and inhale the end of the polarizer P on the mould 75 and flush.

Under the state of touch roll 14 contact protection film F, diaphragm separation head unit 10 further descends, and makes the end of touch roll 14 and diaphragm F form surperficial completely the contact.In the present embodiment, operational coupled is to the sloping portion 30 (please referring to Fig. 8) of diaphragm separation head unit 10, or is provided at one among the O shape ring 14a at touch roll 14 two ends and shrinks.Therefore, touch roll 14 forms surperficial completely the contact with the end of diaphragm F.

When adhesive strip T and diaphragm F form that the surface contact completely (shown in figure 13), polarizer suction mould 75 and the polarizer supply section 20 with diaphragm separation head unit 10 60 are in that (A) separates with (B) towards the original position on the reverse direction in the working position.In the process of doing like this, diaphragm F separates with polarizer P gradually.Clamp 35 abuts against the sidepiece that unit main body 11 is pushed separate protection film F at the upper end of touch roll 14.Therefore, preventing to carry out separating step when the adhesive strip T of diaphragm F from touch roll 14 from fleeing from.When the separation of diaphragm F is accomplished, under contact condition by the end of the touch roll 14 tractive diaphragm F at opposite side place.

When taking diaphragm F, diaphragm separation head unit 10 continues the upper end (please referring to Figure 10) that moves to the original position of polarizer supply section 20 and pass retained part 40 bondingly.During this step, shown in Figure 10 and 13, retained part 40 with interval operation sometime with the two ends of clamping diaphragm F.Simultaneously, clamp 35 moves to the original position.Being suppressed in its position by the diaphragm F of retained part 40 clampings moves.Therefore, the end of diaphragm F that is adhered to touch roll 14 is separated, makes diaphragm F rely on retained part 40.

When retained part 40 moved to the original position, diaphragm F fell diaphragm and collects on the part 80 owing to himself weight, and said diaphragm is collected part 80 and provided the space below retained part 40.Be coupled to polarizer supply section 20 and mobile therewith owing to be used for the part of separating protective film F, thereby compare, simplified the general structure of equipment, reduced floor area, and can significantly shorten tack time with routine techniques.

And, owing to use diaphragm separation head unit 10 to come easily to change adhesive strip T, thereby reduced the job step number that carries out according to the replacing of adhesive strip T, and shortened the maintenance and repair time.Therefore, increased operation of equipment speed, made and compare, can improve throughput rate with routine techniques.

In addition,, reduced in routine techniques adhesive strip T and be not attached to diaphragm F and the therefore not separated frequency of diaphragm F, made the isolated yield that to improve diaphragm F through sloping portion 30 and buffering part 14a are provided.And, take the diaphragm F of collecting drum 13 by retained part 40 single collection by adhesive strip T according to routine techniques.

In the above-described embodiments; Although propose to be coupled to polarizer supply section 20 the first carriage 30c, be coupled to diaphragm separation head unit 10 the second carriage 30d, hinge axis 30b and spring 30f as sloping portion 30, can use the hydraulic tilt part that comprises hydraulic cylinder as sloping portion 40.

And; In the above-described embodiments; Although having a pair of supporting rod 42 of " L " shape, the part through crooked retained part 40 on the direction on polarizer P surface, rotating; But said shape can be claw type or hook-type, makes supporting rod 42 upright on the direction on polarizer P surface or bite.

Figure 14 is the local enlarged perspective of polarizer adhesion equipment according to another embodiment of the present invention.The polarizer adhesion equipment of Figure 15 to 17 explanation use Figure 14 is the step of separating protective film progressively.The operation of the Tension Control buffer portion of the diaphragm separation head unit of Figure 18 and 19 explanation Figure 14.In the present embodiment, most of structure is identical with structure in the foregoing description.Therefore, in the present embodiment shown in Figure 14 to 19, those part different portions that will only concentrate on the foregoing description are described below.

In above-mentioned routine techniques, the feed rolls 12 of synchro control drive and the speed of collecting drum 13 are so that the speed of wrap coupling of the release rate of adhesive strip T and discarded adhesive strip T1 is very difficult and complicated.Therefore, when appropriately not carrying out synchro control, adhesive strip T and discarded adhesive strip T1 possibly discharged by loosely.In the case, possibly very easily produce the kinds of processes defective, for example, the not separation of execute protection film F reposefully, or discarded adhesive strip T1 is not suitably collected by collecting drum 13.

Therefore; In the present embodiment; Do not carrying out synchro control so that under the situation of the speed of wrap coupling of the discarded adhesive strip T1 in the release rate of the feed rolls 12 adhesive strip T of place and collecting drum 13 places, can make the adhesive strip T at the place, path that is positioned at connection feed rolls 12 and collecting drum 13 and the tension force of discarded adhesive strip T1 keep constant.In the present embodiment, describe, use Tension Control buffer portion 90 to solve the problems referred to above with simple structure like hereinafter.Tension Control buffer portion 90 does not receive the structural limitations of present embodiment, and can adopt various structures.

Tension Control buffer portion 90 is provided on the imaginary path that connects feed rolls 12 and collecting drum 13.Tension Control buffer portion 90 is controlled the overall tension force of band T and T1 through based on pushing discarded adhesive strip T1 from feed rolls 12 towards the amount of the adhesive strip T of touch roll 14 releases.In other words, Tension Control buffer portion 90 is pushed the overall tension force that the such degree of amount that discarded adhesive strip T1 reaches the adhesive strip T that discharges towards touch roll 14 from feed rolls 12 is controlled band T and T1 through elasticity.

For this purpose, Tension Control buffer portion 90 is provided at the position of pushing discarded adhesive strip T1 in order to elasticity.In the present embodiment, Tension Control buffer portion 90 is provided between touch roll 14 and the collecting drum 13.Tension Control buffer portion 90 comprises main jockey pulley 91, movable bar 92, elastomeric element 93 and a pair of auxiliary tension rail 95.

The inside surface of main jockey pulley 91 contact discarded adhesive strip T1 of process between touch roll 14 and collecting drum 13.Main jockey pulley 91 has the approximately cylindrical shape similar with auxiliary tension rail 95.Movable bar 92 is coupled to main jockey pulley 91 and moves with main jockey pulley 91.Therefore, main jockey pulley 91 can be coupled to the end surface of movable bar 92, or movable bar 92 can be coupled to the side surface of main jockey pulley 91.

Elastomeric element 93 provides elastic force through movable bar 92 to main jockey pulley 91, makes adhesive strip T1 to keep tension force owing to the cause of main jockey pulley 91.One end of elastomeric element 93 is fixed to supporting walls 94, and the other end is coupled to movable bar 92 with elastic biasing master jockey pulley 91 on a direction, to push discarded adhesive strip T1 to the outside.Can use compression spring as elastomeric element 93.

Only for reference, the amount of the adhesive strip T narrower or that discharge from feed rolls 12 of the interval between touch roll 14 and collecting drum 13 hour only needs a Tension Control buffer portion 90.Yet, when the amount of the adhesive strip T that discharges from feed rolls 12 is big, need to increase the bulging force of elastomeric element 93.And needs increase the displacement of movable bar 92 and main jockey pulley 91.In the case, a Tension Control buffer portion 90 is difficult to carry out operation stably.

Therefore, in the present embodiment, consider the problems referred to above, two Tension Control buffer portions 90 separated from one another are provided between touch roll 14 and collecting drum 13.Through two Tension Control buffer portions 90 are provided, the bulging force of elastomeric element 93 are reduced, and can be maintained the displacement of movable bar 92 and main jockey pulley 91 shorter.If necessary, the number of Tension Control buffer portion 90 can be more than three or three so.

When two Tension Control buffer portions 90 are provided in the present embodiment, preferably use an elastomeric element 93 to control each move of main jockey pulley 91.Therefore, can reduce number of parts.For this purpose, in the present embodiment, the movable bar 92 that is provided at two Tension Control buffer portion 90 places is connected to each other through coupling part 96, the moving of each of the main jockey pulley 91 of single elastomeric element 93 controls.Yet owing to the invention is not restricted to this, thereby elastomeric element 93 is provided at each Tension Control buffer portion 90 place, makes and can carry out individual operation.

Auxiliary jockey pulley 95 is arranged in the both sides of main jockey pulley 91, and forms the mobile route that discarded adhesive strip T1 advances towards main jockey pulley 91.And auxiliary jockey pulley 95 utilizes main jockey pulley 91 to keep the tension force of discarded adhesive strip T1.The outside surface of auxiliary jockey pulley 95 contact discarded adhesive strip T1 of process between touch roll 14 and collecting drum 13.Therefore, by discarded adhesive strip T1, the outside surface of the main jockey pulley 91 that discarded adhesive strip T1 process contacts with the inside surface of arbitrary auxiliary jockey pulley 95, and then contact the inside surface of assisting jockey pulley 95.

When the main jockey pulley 91 that is coupled to movable bar 92 moved with movable bar 92, auxiliary jockey pulley 95 directly was fixed to unit main body 11.If necessary, can from said structure, get rid of auxiliary jockey pulley 95 so.Hereinafter is described the operation of Tension Control buffer portion 90 among the diaphragm separative element 10a that as above disposes referring to Figure 18 and 19.

At first, for the separation of execute protection film F, new adhesive strip T is arranged into the outside surface of touch roll 14.For this purpose, feed rolls CD-ROM drive motor 32 is through operating with rotation feed rolls 12 on a direction.Then, discharge the adhesive strip T of the specified quantitative of the external surface peripheral that is wrapped in feed rolls 12.Inoperation collecting drum CD-ROM drive motor 33.

When feed rolls 12 discharges the adhesive strip T of said specified quantitative, the tension force that is formed on band T and T1 place weakens.Therefore, push elastomeric element 93 expansions of discarded adhesive strip T1 through main jockey pulley 91 elasticity.

The degrees of expansion of elastomeric element 93 is with the same big towards the amount of the adhesive strip T of touch roll 14 releases from feed rolls 12.That is to say that reach and the as many degree of adhesive strip T that discharges from feed rolls 12 along with elastomeric element 93 expands, elastomeric element 93 promotes main jockey pulley 91 through movable bar 92.Therefore, main jockey pulley 91 is outwards pushed adhesive strip T1, even make that the tension force that is formed on band T and T1 place can not weaken yet, and makes to keep constant tension all the time when from feed rolls 12 release adhesive strip T.

Next, when discharging adhesive strip T from feed rolls 12 and new adhesive strip T is arranged on the outside surface of touch roll 14, the operation of stop supplies roller CD-ROM drive motor 32, and the rotation of stop supplies roller 12.When the rotation of feed rolls 12 stops, driving collecting drum CD-ROM drive motor 33 on a direction, to force rotation collecting drum 13.Collecting drum CD-ROM drive motor 33 is forced rotation collecting drum 13 on a direction, overcome torque relatively greater than the elastic force of the elastomeric element 93 of the elastic expansion power of elastomeric element 93.

When collecting drum 13 was rotated by collecting drum CD-ROM drive motor 33, elastomeric element 93 made to promote movable bar 92 and main jockey pulley 91 backward owing to the cause of rotating torques is compressed.Through this step, the discarded adhesive strip T1 that is supported by main jockey pulley 91 and auxiliary jockey pulley 95 is wrapped in around the collecting drum 13.

When twine accomplishing because main jockey pulley 91 is outwards pushed discarded adhesive strip T1, even thereby when the discarded adhesive strip T1 of collecting drum 13 winding specified quantitatives, tension force can not weaken yet, and can keep tension all the time.In the present embodiment, when main jockey pulley 91 turns back to the original position at last, stop the operation of collecting drum CD-ROM drive motor 33, and stop the rotation of collecting drum 13.

When new adhesive strip T when feed rolls 12 discharges and be fed to the outside surface of touch roll 14, as many discarded adhesive strip T1 is collected by collecting drum 13 fully with supply, and the separation of execute protection film F subsequently.Then, operate feed rolls CD-ROM drive motor 32 once more with rotation feed rolls 12 on a direction, and repeat above-mentioned steps.

According to present embodiment; Do not carrying out under the situation of synchro control with respect to the rotation of feed rolls 12 and collecting drum 13; Can adhesive strip T be fed to touch roll 14 and collect adhesive strip T1 from touch roll 14, and make the adhesive strip T that is positioned on the path that connects feed rolls 12 and collecting drum 13 and the tension force of T1 keep constant simultaneously.Therefore, can prevent because do not keep constant the tension force of adhesive strip T and T1 and kinds of processes defective (for example, the not separation of execute protection film F reposefully, or discarded adhesive strip T1 is not suitably collected by collecting drum 13) generation.

In the above-described embodiments; Although elastomeric element is applied to the Tension Control buffer portion; If but the jockey pulley CD-ROM drive motor that is coupled to main jockey pulley and drives main jockey pulley can be pushed the such degree of amount that discarded adhesive strip reaches the adhesive strip that discharges from feed rolls, so this situation can be applicable to this.

Figure 20 explanation is according to the layout of the polarizer adhesion equipment of further embodiment of this invention.Referring to Figure 20, according to the polarizer adhesion equipment of present embodiment comprise upright line of transference 110, polarizer adheres to platform 120 and separating table 130.Said upright line of transference 110 comprises and LCD panel L is fed to the supply line 112 that polarizer adheres to platform 120 has accomplished the discharge line 114 that polarizer adheres to the panel of task with discharging.

In the present embodiment, polarizer adheres to platform 120 and is provided as type of sign with separating table 130, execution in step therein when moving a certain path.That is to say that monoblock type provides polarizer to adhere to platform 120 and separating table 130, thereby forms single polarizer attachment device.Four polarizer attachment devices are through arranging on plate 140, to separate constant interval.When plate 140 rotates with constant speed, carry out each step.

Said step comprises the polarizer that is used for polarizer P is fed to the polarizer attachment device and loads step, is used to make diaphragm F (please referring to Fig. 7) and the polarizer P separate protection film separating step of being located with being used for the polarizer attachment steps that polarizer P that diaphragm adheres to is attached to LCD panel L to be carried out in preparation when diaphragm F separates.Therefore, when plate 140 rotations, each of polarizer attachment device moves to the separation point position to continue said step.

Do not provide four separating tables, but a separating table 130 only is provided at the place, separation point position that carries out separation, shown in figure 20.Therefore, diaphragm F can be installed in the polarizer P that the polarizer that moves to the separation point position adheres to platform 120 places and separate.In the case, because only a separating table is enough, thereby simplified device structure.And because the part that is used to rotate becomes less, thereby the weight of sign is less.

Simultaneously, can be through making the valid function of any one equipment that obtains that leaves unused in each step location.Adhere to platform 120 places at polarizer slide plate 134 is provided; With through making and polarizer P is attached to LCD panel L when keeping specific tensile in the rear end of fixing polarizer P constantly with whip power during the step that polarizer P is attached to LCD panel L, prevent to produce bubble.

And polarizer adheres to platform 120 and preferably has incline structure, and said incline structure can make the polarizer P end that is mounted to it approaching to LCD panel L during the polarizer attachment steps.That is to say that polarizer adheres to platform 120 and during loading step and separating step, keeps horizontality, and during the polarizer attachment steps, tilts to make the one of which end towards panel.

According to embodiment shown in Figure 20, the time that is used to carry out the step of separating protective film F through shortening shortens tack time, makes and can improve throughput rate.

Though illustrate and described the present invention with reference to the preferred embodiments of the present invention are specific; But be understood by those skilled in the art that, can under the situation that does not break away from the spirit and scope of the invention that defines by appended claims, make various variations in form and details.

As stated,, can move through being coupled to the polarizer supply section owing to be used for the part of separating protective film, thereby simplify device structure, make floor area reduce, and compare, can significantly shorten tack time with routine techniques according to the present invention.

And, owing to can easily change adhesive strip, thereby reduced according to adhesive strip and changed the job step number that carries out, and shortened the maintenance and repair time, and make and compare with routine techniques, increase operation of equipment speed and can improve throughput rate.In addition, because adhesive strip is not attached to diaphragm and causes the unsegregated frequency of diaphragm, can improve the isolated yield of diaphragm through reducing.

In addition, can under the situation of not carrying out difficult and complicated synchro control, suitably collect discarded adhesive strip with respect to the rotation of feed rolls and collecting drum.Therefore, can prevent because do not keep the tension force of adhesive strip constant the various defective workmanships that produce (for example, the not separation of execute protection film reposefully, or discarded adhesive strip is not suitably collected by collecting drum).And, be used to carry out time of diaphragm separating step through shortening, shortened tack time, make and can improve throughput rate.

Claims

1. polarizer adhesion equipment is characterized in that it comprises:

Upright line of transference, it shifts the panel under the erectility;

Polarizer adheres to platform, and it is attached to said panel with polarizer; And

Separating table, its separation is attached to the diaphragm on the top of said polarizer,

Wherein said separating table and said polarizer adhere to platform to be the universal stage type and to move predetermined circulating path, in said predetermined circulating path, carry out polarizer at step location place separately and load step, separating step and polarizer attachment steps,

Said separating table and said polarizer adhere to platform and are rotated with respect to the central shaft of said polarizer adhesion equipment, and said universal stage type is the rotation type with respect to the central shaft rotation of said polarizer adhesion equipment,

Wherein, four said polarizers adhere to platform through arranging on the plate of said polarizer adhesion equipment, to separate constant interval, and said plate is with the constant speed rotation and carry out said polarizer and load step, said separating step and said polarizer attachment steps, and

Place, separation point position carrying out said separating step only provides a said separating table.

2. polarizer adhesion equipment according to claim 1 is characterized in that wherein said polarizer adheres to platform and can tilt, and makes the said polarizer that is in polarizer attachment position place adhere to the approaching said panel in end of platform.

3. polarizer adhesion equipment according to claim 2; It is characterized in that wherein adhering to Tai Chu at said polarizer provides slide plate; The rear end of said slide plate said polarizer of fixing during said polarizer is attached to said panel is to allow under the state of the tension force of keeping specified quantitative, said polarizer being attached to said panel.