CN102866541A - Friction device of alignment film and method for preparing alignment film using friction device - Google Patents
Friction device of alignment film and method for preparing alignment film using friction device Download PDFInfo
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- CN102866541A CN102866541A CN2012103624366A CN201210362436A CN102866541A CN 102866541 A CN102866541 A CN 102866541A CN 2012103624366 A CN2012103624366 A CN 2012103624366A CN 201210362436 A CN201210362436 A CN 201210362436A CN 102866541 A CN102866541 A CN 102866541A
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Abstract
The invention provides a friction device of an alignment film and a method for preparing the alignment film using the friction device. The invention relates to the manufacturing field of display panels. The device can improve quality of the formed alignment film because of cleaning feathers on the friction cloth when preparing the alignment film. The friction device of the alignment film comprises at least one friction roller, wherein a first feather for rubbing the alignment film is arranged on the friction roller; the device also comprises a device for cleaning the first feather. The embodiment is used for preparing alignment films.
Description
Technical field
The present invention relates to display panel and make the field, relate in particular to a kind of alignment film friction device and utilize this device to prepare the method for alignment films.
Background technology
Generally speaking, the agent structure of liquid crystal display comprise mutually to array base palte and the color membrane substrates of box and be filled in array base palte and color membrane substrates between liquid crystal.Liquid crystal display when work, can utilize turning to of the Control of Voltage liquid crystal molecule that acts on the liquid crystal molecule two ends, and then the anisotropy by the liquid crystal molecule refractive index changes light penetration and shows image.For so that Liquid Crystal Molecules Alignment has consistance, be coated with alignment films at the inside surface of array base palte and color membrane substrates.Present orientation technology normally adopts friction cloth by certain orientation friction orientation film, forms the groove with certain orientation in alignment films, finally solidifies this and forms fluted alignment films to form oriented layer.Liquid crystal molecule is positioned at certain groove between array base palte and color membrane substrates, thereby presents the arrangement of uniformity.
But because the restriction of manufacture craft level and essential transportation storing process, so that can be sticky with many dusts on the friction cloth or filoplume is not firm.Come the friction orientation film with such friction cloth, greatly affected the quality of alignment films, can the performance of liquid crystal molecule be exerted an influence, it is bad finally to cause liquid crystal display to show.
Summary of the invention
Embodiments of the invention provide a kind of alignment film friction device and utilize this device to prepare the method for alignment films, can clear up the filoplume on the friction cloth when the preparation alignment films, improve the quality of the alignment films of preparation.
For achieving the above object, embodiments of the invention adopt following technical scheme:
On the one hand, provide a kind of alignment film friction device, comprising:
At least one friction roller is provided with the first filoplume for the friction orientation film on the described friction roller, it is characterized in that,
Described rubbing device also comprises be used to the cleaning plant of clearing up described the first filoplume.
On the other hand, provide a kind of method for preparing alignment films,
Rubbing device comprises: at least one friction roller, be provided with the first filoplume for the friction orientation film on the described friction roller, and described rubbing device also comprises be used to the cleaning plant of clearing up described the first filoplume;
Utilize described rubbing device to prepare the step of described alignment films, comprising:
The described friction roller of described rubbing device rotates above alignment films, so that described the first filoplume friction orientation film on the described friction roller;
The cleaning plant of described rubbing device is cleared up described the first filoplume on the described friction roller.
The alignment film friction device that this practical inventive embodiments provides and utilize this device to prepare the method for alignment films, comprise at least one friction roller in the alignment film friction device, be provided with the first filoplume for the friction orientation film on the described friction roller, described rubbing device also comprises be used to the cleaning plant of clearing up described the first filoplume.So, cleaning plant can be cleared up the first filoplume owing to long-time the use caused the filoplume that comes off or the dust that is sticky with, thereby the filoplume that comes off or the dust of being infected with have been reduced to the impact of the alignment films of the first filoplume friction preparation, guarantee the quality of alignment films, and then guaranteed to use panel or the final imaging effect of display of this alignment films.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art, apparently, accompanying drawing in the following describes only is some embodiments of the present invention, for those of ordinary skills, can make rational modification and modification to these accompanying drawings.
The rubbing device structural representation that Fig. 1 provides for the embodiment of the invention;
The rubbing device structural representation that Fig. 2 provides for another embodiment of the present invention;
The rubbing device structural representation that Fig. 3 provides for further embodiment of this invention;
The rubbing device structural representation that Fig. 4 provides for further embodiment of this invention;
The rubbing device structural representation that Fig. 5 provides for further embodiment of this invention;
The rubbing device structural representation that Fig. 6 provides for further embodiment of this invention;
The rubbing device structural representation that Fig. 7 provides for further embodiment of this invention;
The rubbing device structural representation that Fig. 8 provides for further embodiment of this invention;
The rubbing device structural representation that Fig. 9 provides for further embodiment of this invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, rational change and modification that those of ordinary skills make all belong to the scope of protection of the invention.
The alignment film friction device 10 that the embodiment of the invention provides as shown in Figure 1, comprising:
At least one friction roller 101 is provided with the first filoplume 102 for the friction orientation film on the friction roller 101, and also is provided with the cleaning plant 103 for cleaning the first filoplume 102 on the alignment film friction device 10.Because the cleaning effect of 103 pairs of the first filoplumes 102 of cleaning plant, so that the dust on the friction roller 101, assorted bits or the filoplume that comes off can be eliminated in real time, improved the precision of groove on the alignment films, promoted the quality of alignment films.
It is worthy of note, the concrete structure of cleaning plant 103 has the scheme of plurality of optional, as long as can play the cleaning effect to the first filoplume 102, the position of cleaning plant 103 is not in friction roller 101 tops as restriction yet in Fig. 1, also can be arranged between a plurality of friction rollers 101, perhaps also can with arbitrary position that contacts of each friction roller 101 cleaning plant 103 etc. be set for each friction roller 101.
Alternatively, as shown in Figure 2, can also be provided with the first friction cloth 104, the first filoplumes 102 on the alignment film friction device 10 and can be arranged on the first friction cloth 104.The first friction cloth 104 can use the larger materials of hardness such as nylon, preferably, is wrapped in the friction of first on the friction roller 101 cloth 104 and has identical thickness everywhere.The first filoplume 102 can use the materials such as regenerated fiber or velveteen, the length of the first filoplume 102 can equate, but because the length increase of the first filoplume 102 can increase frictional strength, but can reduce the even effect of arrangement of the groove of formation, therefore length that can the first filoplume 102 is set to increase gradually or reduce, and the difference of the maximal value of the length of the first filoplume 102 and minimum value is less than or equal to 1.5mm, so, can guarantee that the first filoplume 102 had both had larger friction effect, can form uniform groove again, liquid crystal molecule is had preferably grappling effect.
Exemplarily, as shown in Figure 3, cleaning plant 103 comprises device body 1031, is arranged on the second filoplume 1032 on the device body 1031.Further, as shown in Figure 4, the second friction cloth 1033, the second filoplume 1032, the second filoplumes 1032 that are arranged on the second friction cloth 1033 contact with the first filoplume 102, are used for cleaning the first filoplume 102.
Perhaps; can be provided with the cleaning brush on the cleaning plant 103; the bristle of this cleaning brush contacts with the first filoplume 102; and to the direction inclination opposite with the moving direction of the first filoplume 102; present embodiment only is provided with the second filoplume 1032 for illustrating to be provided with the cleaning brush on the cleaning plant 103 or to install on 1031, other arrange the modes such as filoplume, brush or hairbrush all within protection domain.
When alignment film friction device 10 carries out alignment film rubbing, substrate can along continuous straight runs motion, if to left movement, friction roller 101 clockwise rotates, the first filoplume 102 rubs in alignment films, can press predetermined direction formation groove on the alignment films.Certainly, substrate also can level move right; Perhaps, the motionless and friction roller of substrate clockwise or rotate counterclockwise also can be realized the friction to alignment films.
It is worthy of note, because friction roller 101 rotates, as clockwise rotate or rotate counterclockwise, the first filoplume 102 can produce relative motion with respect to the second filoplume 1032, when therefore the first different filoplumes 102 contacts also relative motion at every turn with the second filoplume 1032, the second filoplume 1032 can be stirred the first filoplume 102, the filoplume that drops of hitting the dust of the first filoplume 102 down or being infected with;
The second filoplume 1032 not only can play the effect of cleaning the first filoplume 102, can also play the effect of arrangement the first filoplume 102, can put the first filoplume 102 in order by stirring the first filoplume 102, as can be with the first filoplume 102 of depart to the predetermined direction adjustment, guarantee not depart too much of groove that the first filoplume 102 forms in alignment films with this.
Preferably, be arranged in the cleaning plant 103 friction of second on the device body 1031 cloth 1033 and have identical thickness everywhere; Preferably, be arranged in the equal in length of the second filoplume 1032 on the second friction cloth 1033, the length of the second filoplume 1032 can be more than or equal to the maximal value of the first filoplume 102 length and minimum value poor, as being 1.5mm, like this, when if the maximal value of the length of the first filoplume 102 and the difference of minimum value are less than or equal to 1.5mm, can guarantee that the second filoplume 1032 both can clear up the first the longest filoplume 102, also can clear up the first the shortest filoplume 102, and, the second filoplume 1032 can use the materials such as regenerated fiber or velveteen, so that clear up the first filoplume 102.Further, the second filoplume 1032 on the second friction cloth 1033 can be arranged to skewed, can so that the second filoplume 1032 in the long situation of length, be to guarantee certain homogeneity in the larger situation of friction force, spend less than 10 as making the second filoplume 1032 and the angle on the second friction cloth 1033 surfaces at its root place.So, in the time of can guaranteeing effectively that the second filoplume 1032 contacts with the first filoplume 102, the second filoplume 1032 is larger but be unlikely to affect homogeneity on the friction force of the first filoplume 102, thereby adjust better the first filoplume 102 filoplume degree of tilt, and then so that the groove uniformity coefficient that the first filoplume 102 produces is better when alignment films rubs.
Exemplarily, as shown in Figure 5, the device body of cleaning plant 103 is the axis of rolling 1031 in the alignment film friction device 10, is arranged at the top of friction roller 101.When two friction rollers 101 that are arranged at substrate (such as color membrane substrates or array base palte) top move clockwise, suppose that the axis of rolling 1031 that is arranged at friction roller 101 tops moves clockwise, at this moment the second filoplume 1032 contacts with the first filoplume 102 on two friction rollers 101 respectively, the first filoplume 102 clockwise rotates, the second filoplume 1032 clockwise rotates, the first filoplume 102 and the second filoplume 1032 produce relative motion, so that the second filoplume 1032 cleanings the first filoplume 102, namely the second filoplume 1032 contacts and mutually causes small vibrations and friction with the first filoplume 102, shakes dust or other filoplumes that comes off that the filoplume 102 of failing is infected with; And, as shown in Figure 5, the first filoplume 102 rotates along clockwise direction, the second filoplume 1032 is stirred the first filoplume 102 along clockwise direction, the angle of first filoplume 102 that will diminish with the angle of the first friction cloth 104 tunes up, put the first filoplume 102 in order with this, so that the depart that the groove that the first filoplume 102 forms in alignment films can be not too much.
Perhaps, as shown in Figure 6, two friction rollers 101 move counterclockwise, the axis of rolling 1031 that is arranged at friction roller 101 tops moves counterclockwise, and the second filoplume 1032 contacts with the first filoplume 102 on two friction rollers 101 respectively, and produces relative motion, so that the second filoplume 1032 cleans and puts in order the first filoplume 102, need to prove, the rotation direction of two friction rollers 101 also can with the direction of rotation of the axis of rolling 1031, not take Fig. 5, Fig. 6 as restriction.
Further, the rotation direction of two friction rollers 101 also can with the direction of rotation of the axis of rolling 1031, when the rotation of the axis of rolling 1031 then is set, so that the linear velocity that the second filoplume 1032 rotates is different from the linear velocity that two friction rollers 101 rotate, the linear velocity that the second filoplume 1032 is rotated makes the first filoplume 102 rotate the linear velocity that produces when rotating greater than two friction rollers 101, so that the second filoplume 1032 contacts with the first filoplume 102 on two friction rollers 101 respectively, and it is better to produce the cleaning, the finishing effect that produce after the relative motion.
It is worthy of note; the embodiment of the invention describes as example to be provided with two friction rollers 101; the rubbing device 10 that only is provided with a friction roller 101 or is provided with two above friction rollers 101 is all within protection domain, not to be provided with two friction rollers 101 as limiting.
Exemplarily, as shown in Figure 7, cleaning plant 103 comprises device body 1031, and wherein, device body 1031 can be stuck-module, such as rectangular parallelepiped module or trapezoidal prismatic module, also can be the axis of rolling.Be provided with cleaning cloth 1034 on the device body 1031, cleaning cloth 1034 contacts with the first filoplume 102, is used for cleaning the first filoplume 102.Need to prove that cleaning cloth 1034 can be selected particulate such as dust, material that the filoplume adsorbability is stronger are made, and can be the two-sided material clean-cloth of bright and beautiful polyester superfine fiber etc. such as cleaning cloth 1034.Perhaps, cleaning cloth also can be coated with binding, and utilizes binding such as the glue that applies, and the dust on the first filoplume 102, filoplume etc. is glued remove.Further, after can stretching, cleaning cloth 1034 is fixed on the device body 1031, when contacting with the first filoplume 102, and the particulates such as dust on cleaning cloth 1034 absorption the first filoplume 102.
Further, when device body 1031 was the axis of rolling, cleaning cloth 1034 was wrapped in the axis of rolling outside, and when friction roller 101 rotated, the axis of rolling also rotated simultaneously, and cleaning cloth 1034 different surface of contact contact with the first filoplume 102, optimize cleaning effect.
Exemplarily, as shown in Figure 8, cleaning plant 103 comprises dust sucking plant 105, is electric exhaust fan such as dust sucking plant 105.Because the rotating shaft of electric exhaust fan is provided with fan blade.After the electric exhaust fan energising, fan blade produces larger suction and pressure such as 500 circles/second rotation, under the effect of this suction and pressure with preset rotation speed, dust on the first filoplume 102 in the adsorption range or the filoplume that is scattered are sucked in the air exhauster, to reach the purpose of dedusting.In addition, other dust sucking plantes with dust suction effect are simply replaced electric exhaust fan for clearing up the first filoplume all within protection domain.
In addition, cleaning plant 103 also can comprise dust-blowing device, such as hair-dryer, hair-dryer can blow down the dust on the first filoplume 102 or the filoplume that is scattered, to clear up the first filoplume 102, perhaps, as shown in Figure 9, cleaning plant 103 comprises dust sucking plant 1035 and dust-blowing device 1036, wherein, the dust that dust sucking plant 1035 can blow off dust-blowing device 1036 from the first filoplume 102 or the filoplume that is scattered suck, and guarantee dust or the filoplume that is scattered can not fall on other the first filoplume 102 with this.
Need to prove, all be provided with the first friction cloth 104 on the friction roller 101 of Fig. 4 in Fig. 9, and the first filoplume 102 is arranged on the first friction cloth 104, but the protection domain of the embodiment of the invention is not limited to this, the first filoplume 102 is arranged on the friction roller 101 also within protection domain, is not exemplified as restriction with above-mentioned; Dust sucking plant 1035 among Fig. 9 and the position of dust-blowing device 1036 also are not limited to shown in the figure, for example, dust sucking plant 1035 also can be arranged on the lower side position of friction roller, or on the position relative with dust-blowing device 1036, so that draw better the dust that drops on the first filoplume or the filoplume that comes off.
The alignment film friction device that this practical inventive embodiments provides, comprise at least one friction roller in the alignment film friction device, be provided with the first filoplume for the friction orientation film on the described friction roller, described rubbing device also comprises be used to the cleaning plant of clearing up described the first filoplume.So, cleaning plant can be cleared up the first filoplume owing to long-time the use caused the filoplume that comes off or the dust that is sticky with, thereby the filoplume that comes off or the dust of being infected with have been reduced to the impact of the alignment films of the first filoplume friction preparation, guarantee the quality of alignment films, and then guaranteed to use panel or the final imaging effect of display of this alignment films.
Utilize this device to prepare the method for alignment films, comprise the steps:
Rubbing device comprises: at least one friction roller, be provided with the first filoplume for the friction orientation film on the friction roller, and rubbing device also comprises the cleaning plant for cleaning the first filoplume;
Utilize rubbing device to prepare in the following manner alignment films:
The friction roller of rubbing device rotates above alignment films, so that the first filoplume friction orientation film on the friction roller; The first filoplume on the cleaning plant cleaning friction roller of rubbing device.
Further, this device can adopt rubbing manipulation on substrate, such as array base palte, form the orientation texture of alignment films on the color membrane substrates, its operation in two steps, at first at substrate, as coating respectively alignment films on color membrane substrates and the array base palte, the aligning film material that uses at present mainly is polyimide (PI), then utilize the first filoplume on the first friction cloth that alignment films is carried out friction treatment: as first the first friction cloth being wrapped on the friction roller, and then utilize friction roller to rotate in alignment films, rely on the first filoplume to the friction of alignment films, form the groove that liquid crystal molecule is had certain grappling effect in a direction, make the liquid crystal molecule can be along groove direction ordered arrangement.Further, this direction can be for different display panels or display, so that Liquid Crystal Molecules Alignment reaches the direction of the display effect of optimum.Meanwhile, cleaning plant is cleared up on the friction roller, not the first filoplume of friction orientation film.Contact to clear up the first filoplume such as the second filoplume in the cleaning plant or cleaning cloth with the first filoplume, or dust sucking plant adsorbs the dust on the first filoplume etc.
Need to prove that the alignment film friction device that alignment films preparation method provided by the invention uses above-described embodiment to provide is prepared, it is identical that the using method of alignment film friction device and above-described embodiment provide, and do not repeat them here.
This practical inventive embodiments provides the method for utilizing alignment film friction device to prepare alignment films, comprise at least one friction roller in the alignment film friction device, be provided with the first filoplume for the friction orientation film on the described friction roller, described rubbing device also comprises be used to the cleaning plant of clearing up described the first filoplume.So, cleaning plant can be cleared up the first filoplume owing to long-time the use caused the filoplume that comes off or the dust that is sticky with, thereby the filoplume that comes off or the dust of being infected with have been reduced to the impact of the alignment films of the first filoplume friction preparation, guarantee the quality of alignment films, and then guaranteed to use panel or the final imaging effect of display of this alignment films.
More than; be the specific embodiment of the present invention only, but protection scope of the present invention is not limited to this, anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; can expect easily changing or replacing, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claim.
Claims (14)
1. alignment film friction device comprises: at least one friction roller, be provided with the first filoplume for the friction orientation film on the described friction roller, and it is characterized in that,
Described device also comprises be used to the cleaning plant of clearing up described the first filoplume.
2. alignment film friction device according to claim 1 is characterized in that,
Described cleaning plant comprises: device body; Be arranged on the second filoplume on the described device body, described the second filoplume contacts with described the first filoplume.
3. alignment film friction device according to claim 1 is characterized in that,
Described cleaning plant comprises: device body; Be arranged on the cleaning cloth on the described device body, described cleaning cloth contacts with described the first filoplume.
4. according to claim 2 or 3 described alignment film friction devices, it is characterized in that described device body is stuck-module or the axis of rolling.
5. alignment film friction device according to claim 1 is characterized in that,
Described cleaning plant comprises dust sucking plant.
6. alignment film friction device according to claim 1 is characterized in that,
Described cleaning plant comprises dust-blowing device.
7. alignment film friction device according to claim 2 is characterized in that,
The length of described the second filoplume is poor more than or equal to the maximal value of described the first filoplume length and minimum value.
8. alignment film friction device according to claim 2 is characterized in that,
The material of described the second filoplume is regenerated fiber or velveteen.
9. alignment film friction device according to claim 4 is characterized in that,
Described device body is the axis of rolling, the linear velocity that the linear velocity that described the second filoplume rotates is rotated greater than described the first filoplume.
10. alignment film friction device according to claim 9 is characterized in that, the direction of rotation of the rotation direction of described the second filoplume and described the first filoplume.
11. alignment film friction device according to claim 1 is characterized in that, is provided with the cleaning brush on the described cleaning plant, the bristle of described cleaning brush contacts with described the first filoplume, and tilts to the direction opposite with the moving direction of described the first filoplume.
12. a method for preparing alignment films is characterized in that,
Rubbing device comprises: at least one friction roller, be provided with the first filoplume for the friction orientation film on the described friction roller, and described rubbing device also comprises be used to the cleaning plant of clearing up described the first filoplume;
Utilize described rubbing device to prepare described alignment films by following steps:
The described friction roller of described rubbing device rotates above alignment films, the described alignment films so that described the first filoplume on the described friction roller rubs; And
The cleaning plant of described rubbing device is cleared up described the first filoplume on the described friction roller.
13. method as claimed in claim 12 is characterized in that, the step that the cleaning plant of described rubbing device is cleared up described the first filoplume on the described friction roller comprises:
Clear up described the first filoplume with the second filoplume on the described cleaning plant or friction cloth.
14. method as claimed in claim 12 is characterized in that, the step that the cleaning plant of described rubbing device is cleared up described the first filoplume on the described friction roller comprises:
Clear up described the first filoplume with the dust sucking plant on the described cleaning plant and/or dust-blowing device.
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| CN2012103624366A CN102866541A (en) | 2012-09-25 | 2012-09-25 | Friction device of alignment film and method for preparing alignment film using friction device |
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| CN2012103624366A CN102866541A (en) | 2012-09-25 | 2012-09-25 | Friction device of alignment film and method for preparing alignment film using friction device |
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| CN105676539A (en) * | 2016-03-25 | 2016-06-15 | 京东方科技集团股份有限公司 | Rubbing cloth treatment equipment |
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| CN106526980A (en) * | 2016-09-29 | 2017-03-22 | 成都天马微电子有限公司 | Rubbing cloth burn-in base board and manufacturing method thereof |
| CN110696486A (en) * | 2019-09-11 | 2020-01-17 | 安徽文博纸品印刷有限公司 | Dust collector of paper printing |
| CN114633498A (en) * | 2022-05-18 | 2022-06-17 | 溧阳卓越新材料科技有限公司 | Film surface treatment process and device |
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Application publication date: 20130109 |