CN104216175A - Rubbing device and rubbing method - Google Patents
Rubbing device and rubbing method Download PDFInfo
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- CN104216175A CN104216175A CN201410523032.XA CN201410523032A CN104216175A CN 104216175 A CN104216175 A CN 104216175A CN 201410523032 A CN201410523032 A CN 201410523032A CN 104216175 A CN104216175 A CN 104216175A
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Abstract
The embodiment of the invention provides a rubbing device and a rubbing method; the rubbing device comprises a fixing component horizontally arranged for fixing a component to be rubbed, and a rubbing component positioned below the fixing component for rubbing the component to be rubbed; and therefore, when the rubbing device provided by the embodiment of the invention is used for rubbing an orientation layer in a liquid crystal cell, in the rubbing process of the rubbing component and the orientation layer in the liquid crystal cell, chippings generated by rubbing drop downward under the effect of gravities, namely dropping to one side, far away from the fixing component, of the orientation layer instead of the surface of the orientation layer, so that the problem that the chippings remained in the liquid crystal cell influences orientation effect of the orientation layer is basically overcome, and thereby possibility of occurring display defects when a liquid crystal display is displaying is further reduced, and display quality of the liquid crystal display is improved, and finally rate of good product is improved and manufacture cost is reduced.
Description
Technical field
The present invention relates to liquid crystal cell and manufacture field, particularly relate to a kind of rubbing device and a kind of rubbing method.
Background technology
Along with scientific and technical development, liquid crystal display, because its volume is little, low traditional CRT (Cathode Ray Tube, the cathode-ray tube (CRT)) display that replaced gradually of power consumption, is applied to the fields such as robot calculator, mobile phone, industry demonstration.
But, in prior art, in the display frame of liquid crystal display, often there is display defect, display effect is poor.
Summary of the invention
The object of this invention is to provide a kind of rubbing device and a kind of rubbing method, to reduce in liquid crystal device manufacturing process, drop to the amount of debris in liquid crystal cell, improve the orientation effect of liquid crystal cell, thereby improve the display quality of liquid crystal display.
For solving the problems of the technologies described above, the invention provides a kind of
A rubbing device, comprising: fixed part, and described fixed part horizontal positioned, for fixedly treating friction means; Friction means, described friction means is positioned at the below of described fixed part, for treating that to described friction means rubs.
Preferably, described friction means comprises: friction roller and the friction element that is distributed in described friction roller surface, described friction element is for treating that to described friction means rubs.
Preferably, described fixed part has through hole, and described rubbing device also comprises vacuum pump, and described vacuum pump is positioned at the side that described fixed part is treated friction means described in deviating from, by the mode of vacuum suction, realize described fixed part and be fixedly connected with treating friction means.
Preferably, also comprise dedusting parts, described dedusting parts are positioned at the below of described fixed part, and are connected with described friction roller, for treating the chip on friction means surface described in removing.
Preferably, described dedusting parts are adsorbent equipment, comprise stationary shaft and the adsorption orifice being connected with described stationary shaft, wherein, described stationary shaft is connected with described friction means, and described adsorption orifice is treated friction means described in aiming at, and to described, treats that the chip on friction means surface adsorbs.
A rubbing method, is applied to the rubbing device described in above-mentioned any one, comprising: will treat that friction means is fixed to the lower surface of the fixed part of horizontal positioned, and described in treat that the one side that friction means is to be rubbed deviates from described fixed part; The friction means that is adjusted in described fixed part below with described in treat the relative position of friction means; Mobile described friction means, by described friction means and described in treat the friction force between friction means, to described, treat that friction means rubs.
Preferably, the method also comprises: described complete the described friction for the treatment of friction means after, to described, treat that the chip on friction means surface removes.
With prior art first than, technical scheme provided by the present invention has following advantage:
Due to when utilizing rubbing device to rub to the oriented layer in liquid crystal cell, need to be by the stationary plane of oriented layer towards described fixed part, treat that rubbing surface is towards described friction means, and in the rubbing device that the embodiment of the present invention provides, described fixed part horizontal positioned, described friction means is positioned at described fixed part below, thereby when the rubbing device that utilizes the embodiment of the present invention to provide rubs to the oriented layer in liquid crystal cell, in described friction means and described liquid crystal cell in oriented layer friction process, the chip producing because of friction, can under the effect of gravity, drop downwards, drop to the side that oriented layer deviates from fixed part, and can not drop to the surface of described oriented layer, fundamentally having alleviated described chip remains in liquid crystal cell, affect the problem of described oriented layer orientation effect, and then reduce the liquid crystal display of knowing clearly and when showing, occur the possibility of display defect, improved the display quality of liquid crystal display, finally improved the yields of producing, reduced manufacturing cost.
Accompanying drawing explanation
The result schematic diagram of the rubbing device that Fig. 1 provides for embodiment of the present invention;
The schematic flow sheet of the rubbing method that Fig. 2 provides for embodiment of the present invention.
Embodiment
Just as described in the background section, often occur display defect in prior art in the display frame of liquid crystal display, display effect is poor.
Inventor studies discovery, and this is that display effect due to liquid crystal display is mainly determined by its inner liquid crystal cell, and liquid crystal cell of the prior art adopts planar orientation technology mostly.Planar orientation technology, due to electrode framework and the liquid crystal electrology characteristic of its equipment itself, makes such display technique very responsive to liquid crystal cell internal contamination thing, even if very fine particle also can cause adverse consequences clearly.
Inventor further studies discovery, in the manufacturing process of liquid crystal cell, need to utilize rubbing device to rub to the oriented layer in liquid crystal cell, to can form the groove aligning along predetermined direction and angle for liquid crystal material on oriented layer surface.And meeting produces a large amount of oriented layer chips in friction process, these chips are because Action of Gravity Field will remain in liquid crystal cell, affect the orientation effect of oriented layer, thereby cause liquid crystal display when showing, in display frame, often there is display defect, display effect is poor, and then has reduced the yields of producing, and has improved manufacturing cost.
In view of this, a kind of rubbing device of the embodiment of the present invention, comprising:
Fixed part, described fixed part horizontal positioned, for fixedly treating friction means;
Friction means, described friction means is positioned at the below of described fixed part, for treating that to described friction means rubs.
Accordingly, the present invention also provides a kind of rubbing method, is applied to above-mentioned rubbing device, comprising:
To treat that friction means is fixed to the lower surface of the fixed part of horizontal positioned, and described in treat that the one side that friction means is to be rubbed deviates from described fixed part;
The friction means that is adjusted in fixed part below with described in treat the relative position of friction means;
Mobile described friction means, by described friction means and described in treat the friction force between friction means, to described, treat that friction means surface rubs.
Due to when utilizing rubbing device to rub to the oriented layer in liquid crystal cell, need to be by the stationary plane of oriented layer towards described fixed part, treat that rubbing surface is towards described friction means, and in the rubbing device that the embodiment of the present invention provides, described fixed part horizontal positioned, described friction means is positioned at described fixed part below, thereby when the rubbing device that utilizes the embodiment of the present invention to provide rubs to the oriented layer in liquid crystal cell, in described friction means and described liquid crystal cell in oriented layer friction process, the chip producing because of friction, can under the effect of gravity, drop downwards, drop to the side that oriented layer deviates from fixed part, and can not drop to the surface of described oriented layer, fundamentally having alleviated described chip remains in liquid crystal cell, affect the problem of described oriented layer orientation effect, and then reduce the liquid crystal display of knowing clearly and when showing, occur the possibility of display defect, improved the display quality of liquid crystal display, finally improved the yields of producing, reduced manufacturing cost.
For above-mentioned purpose of the present invention, feature and advantage can more be become apparent, below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.
Set forth detail in the following description so that fully understand the present invention.But the present invention can be different from alternate manner described here and implements with multiple, and those skilled in the art can do similar popularization without prejudice to intension of the present invention in the situation that.Therefore the present invention is not subject to the restriction of following public concrete enforcement.
Take below and describedly treat that the oriented layer of friction means in liquid crystal cell is example, the rubbing device that the embodiment of the present invention is provided is described, but the range of application of the rubbing device that the embodiment of the present invention provides is not limited in the oriented layer in liquid crystal cell is rubbed.
Please refer to Fig. 1, the schematic diagram of a kind of embodiment that Fig. 1 is rubbing device provided by the present invention.In a kind of embodiment of the present invention, rubbing device provided by the present invention, comprising: fixed part 100, and described fixed part 100 horizontal positioned, for fixedly treating friction means; Friction means 200, described friction means 200 is positioned at the below of described fixed part 100, for treating that to described friction means rubs.
The rubbing device that utilizes the embodiment of the present invention to provide to liquid crystal cell in oriented layer while rubbing, need the substrate of fixed orientation layer in liquid crystal cell to be fixed on described fixed part 100, wherein, the stationary plane of described oriented layer, towards described fixed part 100, treats that rubbing surface is towards described friction means 200.After described oriented layer is fixed, mobile described friction means 200, rubs to the rubbing surface for the treatment of of described oriented layer.In the rubbing device providing due to the embodiment of the present invention, described fixed part 100 horizontal positioned, described friction means 200 is positioned at the below of described fixed part 100, therefore the chip producing in described friction process, can under the effect of gravity, drop downwards, drop to the side that oriented layer deviates from described fixed part 100, and can not drop to the surface of described oriented layer, fundamentally having alleviated described chip remains in liquid crystal cell, affect the problem of described oriented layer orientation effect, and then reduced liquid crystal display and when showing, occurred the possibility of display defect, improved the display quality of liquid crystal display, finally improved the yields of product, reduced manufacturing cost.
It should be noted that, in the embodiment of the present invention, described fixed part 100 and the material of described friction means 200 are not limited, as long as guarantee that described fixed part 100 can treat that friction means is fixed to described, treat that friction means rubs described in 200 pairs of described friction means.In one embodiment of the invention, described fixed part 100 is preferably rubbing machine platen, described friction means 200 preferably includes: friction roller 210 and the friction element 220 that is distributed in described friction roller 210 surfaces, described friction element 220 is for treating that to described friction means rubs, with strengthen described friction means 200 and described in treat the friction force between friction means, improve friction effect, reduce friction number of times, reduce process costs.
On the basis of above-mentioned arbitrary embodiment, in a preferred embodiment of the invention, described fixed part 100 has through hole, described rubbing device also comprises vacuum pump, described vacuum pump is positioned at the side that described fixed part 100 is treated friction means described in deviating from, by the mode of vacuum suction, realize described fixed part 100 and be fixedly connected with treating friction means.Concrete, described fixed part 100 is fixedly connected with the one side that the substrate of fixed orientation layer in liquid crystal cell deviates from described oriented layer.This connected mode can not damage the surface of contact of described substrate and described fixed part 100, the surface of contact that is described substrate and described fixed part 100 does not have damage, do not affect yet second of described substrate with described in treat being connected of friction means, easy to operate, when separation, as long as turn off vacuum pump, described substrate will be under the effect of gravity, separated with described fixed part 100, do not need manually by removing the separated described fixed part of the methods such as screw and described substrate, use man-hour less, connection is simple, firm, and production cost is lower.But the present invention does not limit this, in other embodiments of the invention, other connected modes such as also can be threaded connection, realize described fixed part 100 with described in treat being fixedly connected with of friction means, specifically depend on the circumstances.
Due to described friction means 200 with treat that the friction process of friction means can produce a large amount of chips, wherein some chip is very little, cannot be under the effect of gravity, make own from described, to treat that friction means surface drops, these chips can remain in liquid crystal cell, affect orientation effect, reduce the display quality of liquid crystal display.Therefore in a preferred embodiment of the invention, described rubbing device also comprises dedusting parts, described dedusting parts are positioned at the below of described fixed part 100, and be connected with described friction roller 210, be used for treating described in removing the chip on friction means surface, thereby can reduce more the possibility that occurs chip in described liquid crystal cell, weaken chip the orientation of liquid crystal cell is caused to adverse effect, and then reduced liquid crystal display and when showing, occurred the possibility of display defect, improved the display quality of liquid crystal display, finally improved the yields of producing, reduced manufacturing cost.
It is to be noted, in one embodiment of the invention, described dedusting parts are preferably adsorbent equipment, comprise stationary shaft and the adsorption orifice being connected with described stationary shaft, wherein, described stationary shaft is connected with described friction means 200, described adsorption orifice is treated friction means described in aiming at, to described, treat that the chip on friction means surface adsorbs, but the present invention does not limit this, in other embodiments of the invention, dedusting parts of living in can also be other dedusting structures, specifically depend on the circumstances, as long as can treat that the chip on friction means surface removes to described.
In sum, in the rubbing device that the embodiment of the present invention provides, described fixed part 100 horizontal positioned, described friction means 200 is positioned at described fixed part 100 belows, thereby when the rubbing device that utilizes the embodiment of the present invention to provide rubs to the oriented layer in liquid crystal cell, in described friction means 200 and described liquid crystal cell in oriented layer friction process, the chip producing because of friction, can under the effect of gravity, drop downwards, drop to the side that oriented layer deviates from fixed part 100, and can not drop to the surface of described oriented layer, fundamentally having alleviated described chip remains in liquid crystal cell, affect the problem of described oriented layer orientation effect, and then reduced liquid crystal display and when showing, occurred the possibility of display defect, improved the display quality of liquid crystal display, finally improved the yields of producing, reduced production cost.
Except above-mentioned rubbing device, the present invention also provides a kind of rubbing method.Described rubbing method, is applied to the rubbing device described in above-mentioned any one, and as shown in Figure 2, rubbing method provided by the present invention, comprising:
S601: will treat that friction means is fixed to the lower surface of the fixed part of horizontal positioned, and described in treat that the one side that friction means is to be rubbed deviates from described fixed part;
S602: the friction means that is adjusted in described fixed part below with described in treat the relative position of friction means;
S603: mobile described friction means, by described friction means and described in treat the friction force between friction means, to described, treat that friction means rubs.
The rubbing method that utilizes the embodiment of the present invention to provide to liquid crystal cell in oriented layer while rubbing, need first will to treat that friction means is fixed to the lower surface of the fixed part of horizontal positioned, and described in treat that the one side that friction means is to be rubbed deviates from described fixed part.After treating that friction means fixes described in inciting somebody to action, the friction means that is adjusted in described fixed part below with described in treat the relative position of friction means, make described friction means with described when friction means has relative motion, between the two, can produce friction, described, treat that the surface of friction means forms the groove along predetermined direction and angular distribution for liquid crystal material.Then, mobile described friction means, rubs to the rubbing surface for the treatment of of described oriented layer, described, treats that the surface of friction means forms described groove.
In the rubbing method providing due to the embodiment of the present invention, described fixed part horizontal positioned, described friction means is positioned at the below of described fixed part, therefore the chip producing in described friction process, can under the effect of gravity, drop downwards, drop to the side that oriented layer deviates from fixed part, and can not drop to the surface of described oriented layer, fundamentally having alleviated described chip drops in liquid crystal cell, affect the problem of described oriented layer orientation effect, and then reduce the liquid crystal display of knowing clearly and when showing, occur the possibility of display defect, improved the display quality of liquid crystal display
It should be noted that, in the embodiment of the present invention, material to described fixed part and described friction means does not limit, as long as the described fixed part of assurance can treat that friction means is fixed to described, described friction means treats that to described friction means rubs.In a preferred embodiment of the invention, the method also comprises: described complete the described friction for the treatment of friction means after, to described, treat that the chip on friction means surface removes, be used for treating described in removing the chip on friction means surface, thereby can reduce more the possibility that occurs chip in described liquid crystal cell, weaken chip the orientation of liquid crystal cell is caused to adverse effect, and then reduced liquid crystal display and when showing, occurred the possibility of display defect, improved the display quality of liquid crystal display, finally improved the yields of producing, reduced manufacturing cost.
In sum, in the rubbing method that the embodiment of the present invention provides, to treat that friction means is fixed to the lower surface of the fixed part of horizontal positioned, and described in treat that one side that friction means is to be rubbed deviates from fixed part horizontal positioned described in described fixed part, at described friction means, to described, treat in process that friction means rubs like this, the chip producing because of friction, can under the effect of gravity, drop downwards, drop to the side that oriented layer deviates from fixed part, and can not drop to the surface of described oriented layer, fundamentally having alleviated described chip remains in liquid crystal cell, affect the problem of described oriented layer orientation effect, and then reduce the liquid crystal display of knowing clearly and when showing, occur the possibility of display defect, improved the display quality of liquid crystal display, finally improved the yields of producing, reduced production cost.
Above rubbing device provided by the present invention and rubbing method are described in detail.Applied specific case herein principle of the present invention and embodiment are set forth, the explanation of above embodiment is just for helping to understand method of the present invention and core concept thereof.It should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention, can also carry out some improvement and modification to the present invention, these improvement and modification also fall in the protection domain of the claims in the present invention.
Claims (7)
1. a rubbing device, is characterized in that, comprising:
Fixed part, described fixed part horizontal positioned, for fixedly treating friction means;
Friction means, described friction means is positioned at the below of described fixed part, for treating that to described friction means rubs.
2. rubbing device as claimed in claim 1, is characterized in that, described friction means comprises:
Friction roller and the friction element that is distributed in described friction roller surface, described friction element is for treating that to described friction means rubs.
3. rubbing device as claimed in claim 1, it is characterized in that, described fixed part has through hole, described rubbing device also comprises vacuum pump, described vacuum pump is positioned at the side that described fixed part is treated friction means described in deviating from, by the mode of vacuum suction, realize described fixed part and be fixedly connected with treating friction means.
4. the rubbing device as described in claim 1-3 any one, is characterized in that, also comprise dedusting parts, described dedusting parts are positioned at the below of described fixed part, and is connected with described friction roller, for treating the chip on friction means surface described in removing.
5. rubbing device as claimed in claim 4, it is characterized in that, described dedusting parts are adsorbent equipment, comprise stationary shaft and the adsorption orifice being connected with described stationary shaft, wherein, described stationary shaft is connected with described friction means, and described adsorption orifice is treated friction means described in aiming at, and to described, treats that the chip on friction means surface adsorbs.
6. a rubbing method, is applied to the rubbing device described in claim 1-5 any one, it is characterized in that, comprising:
To treat that friction means is fixed to the lower surface of the fixed part of horizontal positioned, and described in treat that the one side that friction means is to be rubbed deviates from described fixed part;
The friction means that is adjusted in described fixed part below with described in treat the relative position of friction means;
Mobile described friction means, by described friction means and described in treat the friction force between friction means, to described, treat that friction means rubs.
7. rubbing method as claimed in claim 6, is characterized in that, the method also comprises: described complete the described friction for the treatment of friction means after, to described, treat that the chip on friction means surface removes.
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| CN201410523032.XA CN104216175A (en) | 2014-09-30 | 2014-09-30 | Rubbing device and rubbing method |
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| CN201410523032.XA CN104216175A (en) | 2014-09-30 | 2014-09-30 | Rubbing device and rubbing method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017214978A1 (en) * | 2016-06-17 | 2017-12-21 | Boe Technology Group Co., Ltd. | Rubbing roller and rubbing method utilizing the same for rubbing alignment layer of liquid crystal display substrate, and fabricating method thereof |
| CN109799651A (en) * | 2019-03-14 | 2019-05-24 | 信利半导体有限公司 | A kind of the friction matching method and friction matching apparatus of display base plate |
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| US20070153181A1 (en) * | 2005-12-29 | 2007-07-05 | Lg.Philips Lcd Co., Ltd. | Apparatus for rubbing alignment layer |
| CN102087442A (en) * | 2009-12-08 | 2011-06-08 | 富士胶片株式会社 | Grinding treatment method, grinding treatment device, and method and device for manufacturing optical compensation films |
| CN202126555U (en) * | 2011-06-24 | 2012-01-25 | 北京京东方光电科技有限公司 | Alignment film rubbing equipment |
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| CN1214126A (en) * | 1996-03-15 | 1999-04-14 | 日本写真印刷株式会社 | Thin film forming device |
| US20070153181A1 (en) * | 2005-12-29 | 2007-07-05 | Lg.Philips Lcd Co., Ltd. | Apparatus for rubbing alignment layer |
| CN102087442A (en) * | 2009-12-08 | 2011-06-08 | 富士胶片株式会社 | Grinding treatment method, grinding treatment device, and method and device for manufacturing optical compensation films |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2017214978A1 (en) * | 2016-06-17 | 2017-12-21 | Boe Technology Group Co., Ltd. | Rubbing roller and rubbing method utilizing the same for rubbing alignment layer of liquid crystal display substrate, and fabricating method thereof |
| US10197864B2 (en) | 2016-06-17 | 2019-02-05 | Boe Technology Group Co., Ltd. | Rubbing roller and rubbing method utilizing the same for rubbing alignment layer of liquid crystal display substrate, and fabricating method thereof |
| CN109799651A (en) * | 2019-03-14 | 2019-05-24 | 信利半导体有限公司 | A kind of the friction matching method and friction matching apparatus of display base plate |
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