CN1497303A - Polaroid adhering device - Google Patents
Polaroid adhering device Download PDFInfo
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- CN1497303A CN1497303A CNA2003101025440A CN200310102544A CN1497303A CN 1497303 A CN1497303 A CN 1497303A CN A2003101025440 A CNA2003101025440 A CN A2003101025440A CN 200310102544 A CN200310102544 A CN 200310102544A CN 1497303 A CN1497303 A CN 1497303A
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- liquid crystal
- polaroid
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- crystal cell
- cell substrate
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- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 78
- 239000000758 substrate Substances 0.000 claims abstract description 66
- 210000002858 crystal cell Anatomy 0.000 claims abstract description 64
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 5
- 238000004140 cleaning Methods 0.000 abstract description 7
- 238000010276 construction Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 7
- 239000000428 dust Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000000853 adhesive Substances 0.000 description 4
- 230000001070 adhesive effect Effects 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000000630 rising effect Effects 0.000 description 2
- 210000004027 cell Anatomy 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
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Abstract
A turning station 200 to turn a conveying direction of a liquid crystal cell substrate 1, subjected to treatment in a previous step, 90[deg.] is arranged between an entrance part on the upstream side of a conveyance line 10 and a cleaning and conveyance line 100. As a substantial construction of the turning station 200, a turning table 202 to turn the conveyed liquid crystal cell substrate 1 90[deg.] is provided. Thereby, on the conveyance line 10 of the bonding device 1000 for the polarizing plate, the liquid crystal cell substrate 1 is conveyed in the direction of extension of short edges of the liquid crystal cell substrate 1.
Description
Technical field
The present invention relates to a kind of polarizing plate sticking device, though relate to a kind of in the maximization of liquid crystal cell substrate, the structure of the polarizing plate sticking device that also can suppress to take up room (footprint) enlarges.
Background technology
At first, the summary of the cross-section structure of expression colour liquid crystal display device in Fig. 2.This colour liquid crystal display device possesses by the centre and accompanies the liquid crystal cell substrate 1 that the glass substrate of liquid crystal, alignment films, transparency electrode, colored filter etc. constitutes; Polaroid 2,3 with the interior exterior side that is disposed at this liquid crystal cell substrate 1 (CF face side, TFT face side).
In the manufacturing process of the colour liquid crystal display device of this formation, must be through various operations such as tft array operation, colored filter manufacturing process, unit assembling procedure, module assembling procedures, comprising the operation of pasting polaroid to liquid crystal cell substrate 1.
This polarizing plate sticking operation is the operation of implementing after the liquid crystal cells assembling procedure.As shown in Figure 3, configuration polaroid 2 below the liquid crystal cell substrate 1 that possesses minor face and the rectangular shape on long limit exposes in order to make the adhesive coating that is secured on polaroid 2 one sides, draws demoulding film 2a from polaroid 2.Afterwards, as shown in Figure 4, make the polaroid 2 that is absorbed and fixed on the positioning table 2A in being absorbed and fixed at the liquid crystal cell substrate 1 side perk that suppresses on the panel sucker 50, polaroid 2 is connected airtight on the wherein one side (CF face) of liquid crystal cell substrate 1 by conveying roller 5.Then, make liquid crystal cell substrate 1 counter-rotating after, the other one side (TFT face) of liquid crystal cell substrate 1 is pasted polaroid 3 too relatively.
Here, with reference to Fig. 5, the general formation of existing polarizing plate sticking device 2000 is described.This polarizing plate sticking device 2000 possesses the pipeline 10 of carrying liquid crystal cell substrate 1 usefulness along prescribed direction.This pipeline 10 possesses the 1st polarizing plate sticking line (CF side polarizing plate sticking line) 300; With the 2nd polarizing plate sticking line (TFT side polarizing plate sticking line) 400.Between the 1st polarizing plate sticking line 300 and the 2nd polarizing plate sticking line 400, be provided with the counter-rotating portion 700 of interior outside (CF face side, the TFT face side) counter-rotating that is used for making substrate, the throughput direction rear flow side at the liquid crystal cell substrate 1 of the 2nd polarizing plate sticking line 400 is provided with counter-rotating portion 800 equally.And, at the upstream side of pipeline 10, be connected with the clean pipeline of cleaning in the operation 100.
On the 1st polarizing plate sticking line 300, swim side from it and begin, be provided with cleaning roller 301, calibration portion 302, calibration CCD camera 303, polarizing plate sticking portion 310.Equally, on the 2nd polarizing plate sticking line 400, swim side from it and begin, also be provided with cleaning roller 401, calibration portion 402, CCD camera 403, polarizing plate sticking portion 410.
In addition, on pipeline 10, vertically be provided with the 1st polaroid supply line 500 with the polarizing plate sticking portion 310 of the 1st polarizing plate sticking line 300.The 1st polaroid supply line 500 possesses: the polaroid boxlike hole 501 of laying in the polaroid 2 that a plurality of CF sides that stick on liquid crystal cell substrate 1 use; Take out the polaroid taking-up portion 503 of polaroid 2 usefulness from this polaroid boxlike hole 501; Polaroid clearer 504; And polaroid calibration portion 505.
Have again, same, on pipeline 10, vertically be provided with the 2nd polaroid supply line 600 with the polarizing plate sticking portion 410 of the 2nd polarizing plate sticking line 400.The 2nd polaroid supply line 600 and the 1st polaroid supply line 500 are same, possess: the polaroid boxlike hole 601 of laying in the polaroid 3 that a plurality of TFT sides that stick on liquid crystal cell substrate 1 use; Take out the polaroid taking-up portion 603 of polaroid 3 usefulness from this polaroid boxlike hole 601; Polaroid clearer 604; And polaroid calibration portion 605.
In the polarizing plate sticking device 2000 that constitutes by said structure, paste polaroid 2,3 to liquid crystal cell substrate 1, be from cleaning pipeline 100, the liquid crystal cell substrate 1 that the direction of extending along the long limit of liquid crystal cell substrate 1 is transferred is directly carried in the 1st polarizing plate sticking line 300 with this state, according to above-mentioned Fig. 3 and main points shown in Figure 4, in polarizing plate sticking portion 310, polaroid 2 is secured at the CF side of liquid crystal cell substrate 1.
Next, in counter-rotating portion 700, make the interior outside counter-rotating of liquid crystal cell substrate 1 after, in the 2nd polarizing plate sticking line 400, carry, according to above-mentioned Fig. 3 and main points shown in Figure 4, in polarizing plate sticking portion 410, polaroid 3 is secured at the TFT side of liquid crystal cell substrate 1.Thereafter, in counter-rotating portion 800, make the interior outside counter-rotating of liquid crystal cell substrate 1 once more after, be transported to subsequent processing (self-verifying operation, module assembling procedure).
In addition, though more than according to the general technical information known to the applicant, the existing technology related to the application's invention is illustrated, but in application man memory scope, the applicant does not grasp the application and answers disclosed information as the prior art documentation ﹠ info before filing an application, and does not recognize patented claim that ratio the application of applicant self carries out earlier etc. yet.
In recent years, the maximization of colour liquid crystal display device the progress, in the past, the size of colour liquid crystal display device, though with 15 inches be main flow, 30 inches from now on, 45 inches become main flow, afterwards the size of colour liquid crystal display device also with will speed up the maximization.
Like this, under the situation that colour liquid crystal display device is maximized, polarizing plate sticking device shown in Figure 5 also must trend towards this, and particularly throughput direction length increases.But, because the restriction of factory site can not ad infinitum increase take up room (footprint).
In addition, pasting in the operation of polaroid 2,3 to liquid crystal cell substrate 1, it is elongated that it produces interval time.But, even colour liquid crystal display device is maximized, also must suppress the rising of the manufacturing cost of colour liquid crystal display device, must reach the efficient activity of the manufacturing course of colour liquid crystal display device.
Here, under the situation of polarizing plate sticking device shown in Figure 5, configuration polaroid 2 is drawn demoulding film 2a from polaroid 2 somatotypes from polaroid 2 then below liquid crystal cell substrate 1, and polaroid 2 is connected airtight on the wherein one side of liquid crystal cell substrate 1.
On the other hand, as reaching the method for pasting the efficient activity (producing the inhibition that increase interval time) of the operation of polaroid 2,3 to liquid crystal cell substrate 1, enumerate tandem moor.This tandem moor, in order to effectively utilize the time of drawing demoulding film 2a from polaroid 2, in the polarizing plate sticking line, draw demoulding film 2a from polaroid 2, walk abreast and carry out drawing the operation of demoulding film 2a and the operation that polaroid 2 connects airtight to liquid crystal cell substrate 1 from polaroid 2.
Yet under the situation of this tandem moor, owing to adhesive coating is in for a long time expose state, the probability that adhesive coating adheres to dust etc. increases.In addition, break down in liquid crystal cell substrate 1 side, make under the situation that line stops, the derivative polaroid 2 of demoulding film 2a because it is higher to adhere to the probability of dust etc. on adhesive coating, becomes discarded punishment.Like this, under the situation of tandem moor, can reach to produce and dwindle interval time but can not reach the raising of the yield rate of product, synthetically say, consider that the manufacturing cost rising result's who causes colour liquid crystal display device possibility is higher.
Summary of the invention
Therefore, the present invention is in order to solve the invention of above-mentioned problem, to provide a kind of yield rate of product that can not cause to reduce, and can suppress the polarizing plate sticking device of (footprint) expansion that takes up room of polarizing plate sticking device.
In order to solve above-mentioned problem, polarizing plate sticking device of the present invention, be a kind ofly to possess on the surface of minor face and the liquid crystal cell substrate of the rectangular shape on long limit, when carrying above-mentioned liquid crystal cell substrate along prescribed direction, polarizing plate sticking device with polarizing plate sticking is used on above-mentioned liquid crystal cell substrate wherein has: the pipeline that is used for carrying along prescribed direction above-mentioned liquid crystal cell substrate; Be located on the above-mentioned pipeline, be used for the lip-deep paste section of polarizing plate sticking at above-mentioned liquid crystal cell substrate; Stick on the polaroid pipeline of above-mentioned liquid crystal cell substrate surface with being used for to the conveying of above-mentioned paste section with polaroid.
And then, above-mentioned pipeline, it is characterized in that, carry along the direction that its minor face extends, return the rotating part that turn 90 degrees more having the above-mentioned liquid crystal cell substrate that is used for making the direction of extending to be transferred on one side of upstream than above-mentioned paste section along its long limit in order to make above-mentioned liquid crystal cell substrate.In addition, preferred above-mentioned rotating part is arranged on the inlet portion of above-mentioned pipeline.
According to this formation, in polarizing plate sticking device, liquid crystal cell substrate is transferred along the direction that its minor face extends.Consequently, compare with the situation that existing direction of extending along its long limit is transferred, the length that shortens pipeline becomes possibility.As a result, even do not increasing, and with in the polarizing plate sticking device of polarizing plate sticking on large-scale liquid crystal cell substrate along the length of the polarizing plate sticking device of throughput direction length, the increase of also can suppress to take up room (footprint).
In addition, paste the time of polaroid to liquid crystal cell substrate, owing to depend on,, also can reach the purpose of the yield rate raising that the probability reduction of being sneaked into by dust caused so can reach the purpose of polarizing plate sticking time shorteningizations along the length on the limit of the throughput direction of liquid crystal cell substrate.
Also have, preferred in above-mentioned polarizing plate sticking device, above-mentioned polaroid pipeline has: with the parallel lines of above-mentioned pipeline almost parallel ground extension; With in order directly to provide above-mentioned polaroid to above-mentioned paste section, the perpendicular line that intersects vertically substantially with above-mentioned pipeline.
Like this, by the parallel lines that extend with pipeline almost parallel ground are set in the polaroid pipeline, the expansion that suppresses take up room (footprint) of polarizing plate sticking device becomes possibility.Particularly, in this polarizing plate sticking device, owing to liquid crystal cell substrate is transferred along the direction that its minor face extends, so polaroid is transferred along the direction that extend on its long limit on the contrary.Therefore, by the parallel lines that extend with pipeline almost parallel ground are set, can suppress the expansion of take up room (footprint) of polarizing plate sticking device in above-mentioned polaroid pipeline.
Description of drawings
Fig. 1 is the whole vertical view that roughly constitutes of the polarizing plate sticking device of expression present embodiment.
Fig. 2 is the synoptic diagram of the cross-section structure of expression colour liquid crystal display device.
Fig. 3 is the summary of polaroid operation is pasted in the 1st a section process chart from expression to liquid crystal cell substrate.
Fig. 4 is the summary of polaroid operation is pasted in the 2nd a section process chart from expression to liquid crystal cell substrate.
Fig. 5 is the whole vertical view that roughly constitutes of the polarizing plate sticking device of expression prior art.
Among the figure: 1-liquid crystal cell substrate device, 2, the 3-polaroid, 2a-demoulding film, 5-conveying roller, the 10-pipeline, 100-cleans pipeline, 200-rotating part, 202-rotating disk, 300-the 1st polarizing plate sticking line (CF side polarizing plate sticking line), 301, the 401-cleaning roller, 302,402-calibration portion, 303, the 403-CCD camera, 310,410-polarizing plate sticking portion, 400-the 2nd polarizing plate sticking line (TFT side polarizing plate sticking line), 500-the 1st polaroid supply line, 501,601-polaroid boxlike hole, 503,603-polaroid taking-up portion, 504,604-polaroid clearer, 505,605-polaroid calibration portion, 500A-the 1st parallel lines, 500B-the 1st perpendicular line, 600A-the 2nd parallel lines, 600B-the 2nd perpendicular line, 700,800-counter-rotating portion.
Embodiment
Below, with reference to Fig. 1, the embodiment of polarizing plate sticking device of the present invention is described.And Fig. 1 is the whole vertical view that roughly constitutes of the polarizing plate sticking device 1000 of expression present embodiment.In addition, identical with reference to label for part identical or suitable on the structure by paying with existing polarizing plate sticking device, no longer repeat specification.
As the feature of these polarizing plate sticking device 1000 structures, be to be provided with the throughput direction that makes at the processed liquid crystal cell substrate 1 of last operation between as the inlet portion of the upstream side of pipeline 10 and clean pipeline 100 to return the rotating part 200 that turn 90 degrees usefulness.As the concrete formation of this rotating part 200, be to be provided with the rotating disk 202 that makes the liquid crystal cell substrate that is transferred turn 90 degrees usefulness for 1 time.
Though liquid crystal cell substrate 1 is from cleaning pipeline 100, the direction of extending along its long limit is transferred, but turn 90 degrees by utilizing this rotating part 200 to be returned, in the pipeline 10 of polarizing plate sticking device 1000, liquid crystal cell substrate 1, the direction of extending along the minor face of liquid crystal cell substrate 1 is transferred.
Constitute according to this, compare, can shorten the length of pipeline with the existing polarizing plate sticking device that the direction of extending along its long limit is transferred.In addition, to the time that liquid crystal cell substrate 1 is pasted polaroid 2,3, owing to depend on,, also can reach the purpose of the yield rate raising that probability reduction that dust sneaks into caused so can reach the purpose of polarizing plate sticking time shorteningizations along the length on the limit of the throughput direction of liquid crystal cell substrate 1.
In addition, as the feature of further structure, enumerate the configuration of the 1st polaroid pipeline the 500, the 2nd polaroid pipeline 600.If the 1st polaroid pipeline 500 is described, it is characterized in that having the 1st parallel lines 500A that extends with pipeline 10 almost parallel ground; With in order directly to provide polaroid 2 to paste section 310, the 1st perpendicular line 500B that intersects vertically substantially with pipeline 10.In addition, for the 2nd polaroid pipeline 600 too, it is characterized in that having the 2nd parallel lines 600A that extends with pipeline 10 almost parallel ground; With in order directly to provide polaroid 3 to paste section 410, the 2nd perpendicular line 600B that intersects vertically substantially with pipeline 10.
In this polarizing plate sticking device 1000, as mentioned above, liquid crystal cell substrate 1 is transferred along the direction that its minor face extends.In addition, because polaroid 2,3 is by from supplying with the vertical substantially direction of pipeline 10, so polaroid 2,3 relative pipelines 10 are transferred along the direction of the long limit extension of polaroid 2,3.Therefore, as mentioned above, by the 1st parallel lines 500A and the 2nd parallel lines 600A with the extension of pipeline 10 almost parallel ground is set, can suppress the expansion of take up room (footprint) that configuration caused of the polaroid pipeline of polarizing plate sticking device 1000 on the 1st polaroid pipeline 500 and the 2nd polaroid pipeline 600.
And as the embodiment that is used to understand the best of the present invention, though disclosed above-mentioned polarizing plate sticking device 1000, the announcement in the present embodiment is expression for example just.For example, for continuously respectively with polarizing plate sticking in the CF of liquid crystal cell substrate 1 face side, TFT face side, though having disclosed the device that the 1st polarizing plate sticking line 300 and the 2nd polarizing plate sticking line 400 are set continuously constitutes, but under the situation that does not adopt the operation of pasting continuously, also can make independent polarizing plate sticking line.
Therefore, technical scope of the present invention is not limited in the content that above-mentioned embodiment is set forth, but delimits according to patent content required for protection.In addition, also comprise all changes that do not exceed in the open aim scope of the present invention.
(invention effect)
According to polarizing plate sticking device of the present invention, even with polarizing plate sticking at large-scale liquid crystal Polarizing plate sticking device on the cell substrate, the increase of also can suppress to take up room (footprint). Also have, can reach the shortening purpose of polarizing plate sticking time, can reach also that dust sneaks into Probability reduces the purpose of the yield rate raising that causes.
Claims (3)
1. polarizing plate sticking device, be to possess on the surface of minor face and the liquid crystal cell substrate (1) of the rectangular shape on long limit, when carrying above-mentioned liquid crystal cell substrate (1) along prescribed direction, with polaroid (2,3) stick on the polarizing plate sticking device of using on the above-mentioned liquid crystal cell substrate (1), it is characterized in that: possess:
Be used for carrying the pipeline (10) of above-mentioned liquid crystal cell substrate (1) along prescribed direction;
Be located on the above-mentioned pipeline (10), be used for polaroid (2,3) is sticked on the lip-deep paste section of above-mentioned liquid crystal cell substrate (1) (310,410); With
Be used for sticking on the polaroid pipeline (500,600) of above-mentioned liquid crystal cell substrate (1) surface with polaroid (2,3) to above-mentioned paste section (310,410) conveying,
Above-mentioned pipeline (10), carry along the direction that its minor face extends in order to make above-mentioned liquid crystal cell substrate (1), return the rotating part (200) that turn 90 degrees more having the above-mentioned liquid crystal cell substrate (1) that is used for making the direction of extending to be transferred on one side of upstream than above-mentioned paste section (310,410) along its long limit.
2. polarizing plate sticking device according to claim 1 is characterized in that: above-mentioned rotating part (200) is arranged on the inlet portion of above-mentioned pipeline (10).
3. polarizing plate sticking device according to claim 1 and 2 is characterized in that: above-mentioned polaroid pipeline (500,600) has: and the parallel lines that extend with above-mentioned pipeline (10) almost parallel ground (500A, 600A); With in order directly to provide above-mentioned polaroid to above-mentioned paste section (310,410), the perpendicular line (500B that intersects vertically substantially with above-mentioned pipeline (10); 600B).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2003101025440A CN1497303A (en) | 2002-10-23 | 2003-10-23 | Polaroid adhering device |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002308499 | 2002-10-23 | ||
| CNA2003101025440A CN1497303A (en) | 2002-10-23 | 2003-10-23 | Polaroid adhering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1497303A true CN1497303A (en) | 2004-05-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2003101025440A Pending CN1497303A (en) | 2002-10-23 | 2003-10-23 | Polaroid adhering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1497303A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101823645B (en) * | 2008-04-16 | 2012-07-04 | 日东电工株式会社 | System for manufacturing optical display device |
| CN103969881A (en) * | 2013-01-30 | 2014-08-06 | Ymk株式会社 | Apparatus for attaching polarized film |
-
2003
- 2003-10-23 CN CNA2003101025440A patent/CN1497303A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101823645B (en) * | 2008-04-16 | 2012-07-04 | 日东电工株式会社 | System for manufacturing optical display device |
| CN103969881A (en) * | 2013-01-30 | 2014-08-06 | Ymk株式会社 | Apparatus for attaching polarized film |
| CN103969881B (en) * | 2013-01-30 | 2017-04-12 | Ymk株式会社 | Apparatus for attaching polarized film |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |