CN202126555U - Alignment film rubbing equipment - Google Patents
Alignment film rubbing equipment Download PDFInfo
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- CN202126555U CN202126555U CN2011202186045U CN201120218604U CN202126555U CN 202126555 U CN202126555 U CN 202126555U CN 2011202186045 U CN2011202186045 U CN 2011202186045U CN 201120218604 U CN201120218604 U CN 201120218604U CN 202126555 U CN202126555 U CN 202126555U
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- base station
- friction
- friction base
- glass substrate
- alignment film
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Abstract
The utility model discloses alignment film rubbing equipment. The equipment comprises a rubbing roller, a first rubbing base and a second rubbing base, wherein the rubbing roller is placed between the first rubbing base and the second rubbing base, and the first rubbing base and the second rubbing base are arranged symmetrically. Therefore, through the arrangement of the two rubbing bases, rubbing procedures of two pieces of glass can be accomplished at one time, so that the working efficiencies of the bases are improved; besides, under the condition of corresponding to the requirement of the original volume production, the moving speeds of the rubbing bases can be reduced, then each piece of glass can be rubbed more sufficiently, a more uniform alignment direction can be obtained, and the display quality of a liquid crystal display can be improved.
Description
Technical field
The utility model relates to the production equipment of liquid crystal indicator, relates in particular to a kind of alignment film rubbing equipment.
Background technology
In recent years; Liquid crystal indicator has obtained developing fast and being applied to many fields; The principle of liquid crystal display is: the anglec of rotation that is applied to the voltage change liquid crystal molecule on the liquid crystal through change; The sense of rotation of control polarized light, and then can the control polarized light see through polaroid, thus the change of realization liquid crystal indicator show state.Usually, evenly distributed in order to make liquid crystal molecule, apply one deck alignment films on color membrane substrates that must be in liquid crystal indicator and the array base palte.At present, orientation technology mainly contains friction orientation technology, photo orientated technology, inclination vapor deposition orientation technology and LB film (Langmuir-Blodgett film) orientation technology, and wherein, what application was the most extensively sent out is the friction orientation technology.
See figures.1.and.2, it shows the composition structure of friction device in the prior art, and this friction device comprises: friction roller 1, the friction base station 3 ', servomotor 4 '; Accordingly; Existing friction process comprises: the friction cloth that on the circle roller, twines the full tiny fine hair of a piece of cloth forms a friction roller 1; This friction roller 1 high speed rotating, and with friction base station 3 ' on be coated with the glass substrate 2 of film (alignment films) ' carry out relative motion, make on the friction roller 1 fine hair to glass substrate 2 ' on alignment layer surface rub; Forming groove at alignment layer surface, thereby the film molecular side chain of alignment layer surface is arranged according to certain orientation.Therefore, the liquid crystal molecule on glass substrate 2 ' surface is arranged according to the groove direction, and forms certain pre-dumping angle.
In the prior art, in order to satisfy the volume production demand, friction process all can accelerate the to rub translational speed of base station so that glass substrate can be accomplished friction behavior fast, the base station that generally rubs move horizontally speed setting a fast value, like 50mm/sec.Suppose that glass substrate is of a size of 11000mm * 13000mm; So, the friction process of accomplishing a glass substrate just needs 13000/50=260sec, yet; This will cause substrate not rubbed fully, and alignment layer surface is inhomogeneous, groove is inconsistent thereby make.And the surface structure of the inboard alignment films of the glass substrate that obtains thus can be referring to shown in Figure 3, as can be seen from Figure 3, groove 6 ' uniformity coefficient unsatisfactory, cause liquid crystal molecule 7 ' the uneven and orientation of arrangement differ.Like this, will cause the bad problem of some technologies, and then to showing that image quality produces harmful effect, like image retention, spot (Mura), bright spot etc.
The utility model content
In view of this, the fundamental purpose of the utility model is to provide a kind of alignment film rubbing equipment, can solve the uneven problem that differs with orientation of arrangement of liquid crystal molecule.
For achieving the above object, the technical scheme of the utility model is achieved in that
The utility model provides a kind of alignment film rubbing equipment, and this equipment comprises: friction roller, the first friction base station and the second friction base station; Wherein,
Said friction roller is positioned between the first friction base station and the second friction base station, and the said first friction base station and the second friction base station are symmetrical set.
Preferably, said equipment also comprises: the rotation base station of placing glass substrate to the said first friction base station, the second friction base station.
Further, said rotation base station is 180 ° of corresponding relations at glass substrate that the first friction base station is placed and the face that on the glass substrate of the second friction base station placement, is coated with alignment films.
Further, the said first friction base station and the second friction base station are horizontally disposed with, and the said first friction base station is positioned at directly over the second friction base station.
Alternatively, the said first friction base station and the second friction base station vertically are provided with, and the said first friction base station is positioned at the right side of the second friction base station.
Preferably, said friction roller is equipped with first servomotor that control self is gone up and down and rotated; The first friction base station is equipped with second servomotor that control self is gone up and down and moved; The second friction base station is equipped with the 3rd servomotor that control self is gone up and down and moved.
Preferably, the identical and scalable of translational speed of the said first friction base station, the second friction base station.
Preferably, the be pressed into amount of said friction roller on the glass substrate that the glass substrate and the second friction base station of the first friction base station placement are placed is identical.
Preferably, the said first friction base station is equipped with first adsorbent equipment that is used to adsorb glass substrate; The said second friction base station is equipped with second adsorbent equipment that is used to adsorb glass substrate.
With respect to prior art, the utlity model has following advantage:
The alignment film rubbing equipment of the utility model is through two friction base stations and a friction roller; The disposable friction process of accomplishing two glass substrates simultaneously; Realized when improving the friction device work efficiency; Further improve the effect of friction process, guarantee that the alignment films groove that obtains is more even.
Use the alignment film rubbing equipment of the utility model; Can under the prerequisite that guarantees the volume production demand, thoroughly solve the uneven problem that differs with orientation of arrangement of liquid crystal molecule, and then improve the contrast of LCD degree and show image quality; Can not only enhance productivity, and can improve friction effect.
Description of drawings
Fig. 1 is the composition structured flowchart of existing friction device;
Fig. 2 is the schematic top plan view of existing friction device;
The alignment layer surface synoptic diagram that Fig. 3 obtains for existing friction device;
Fig. 4 is the composition structured flowchart of the utility model alignment film rubbing apparatus embodiments;
Fig. 5 is the schematic top plan view of the utility model alignment film rubbing apparatus embodiments;
The synoptic diagram of the alignment layer surface that Fig. 6 obtains for the utility model;
Fig. 7 is the friction process process flow diagram of the utility model.
Description of reference numerals
Friction base station 3 ' servomotor 4 '
Groove 6 ' liquid crystal molecule 7 '
The first friction base station, 8 second friction base stations 3
The first adsorbent equipment S1, the second adsorbent equipment S2
First glass substrate, 5 second glass substrates 2
Rotation base station 9 first servomotors 4
Second servomotor, 10 first mechanical arm a
The second mechanical arm b
Embodiment
The basic thought of the utility model is: on existing alignment film rubbing equipment, set up the friction base station; Like this; Through two friction base stations and a friction roller; The disposable friction process of accomplishing two glass substrates simultaneously is implemented in the effect of further improving friction process when improving the friction device work efficiency, guarantees that the alignment films groove that obtains is more even.
The utility model is directed against in the prior art in order to satisfy the volume production demand; And the translational speed of the base station that will rub such as level/vertically translational speed is set in a fast value; The uneven problem that differs with orientation of the arrangement of the liquid crystal molecule that is caused proposes a kind of novel alignment film rubbing equipment.
Describe below in conjunction with accompanying drawing and specific embodiment alignment film rubbing equipment the utility model.
As shown in Figure 4, the utility model discloses a kind of embodiment of novel alignment film rubbing equipment, in the present embodiment, this alignment film rubbing equipment comprises: friction roller 1, the first friction base station 8 and the second friction base station 3.Wherein, said friction roller 1 is positioned between the first friction base station 8 and the second friction base station 3, and the said first friction base station and the second friction base station are symmetrical set.
Preferably; The said first friction base station 8 and the second friction base station 3 are horizontally disposed with; Friction roller 1 lies in a horizontal plane between the first friction base station 8 and the second friction base station 3; The first friction base station 8 be positioned at the second friction base station 3 directly over, and with the second friction base station 3 serve as spool to be the minute surface symmetry with friction roller 1.The first friction base station 8 comprises that the first adsorbent equipment S1, the second friction base station 3 comprise the second adsorbent equipment S2; The first adsorbent equipment S1, the second adsorbent equipment S2 have adsorptive power to glass substrate, are respectively applied for the glass substrate of placing on the absorption first friction base station 8 and the second friction base station 3.
It is to be noted; The said first friction base station 8 and the second friction base station 3 vertically are provided with; The said first friction base station 8 can be positioned at the right side of the second friction base station 3; According to the working condition of reality, the said first friction base station 8 also can be located at the left side of the second friction base station 3, here this is not limited.In addition, the said first friction base station 8 and the second friction base station 3 also can be provided with respect to vertical curve/horizontal line inclination certain angle.
It should be noted that present embodiment is horizontally placed to example with the said first friction base station 8 and the second friction base station 3 and describes.
Preferably, the alignment film rubbing equipment of present embodiment also comprises rotation base station 9 (as shown in Figure 7), and rotation base station 9 is positioned at the first friction base station, 8 tops, and is connected with the first friction base station 8.When carrying out friction process, rotation base station 9 is regulated the direction and the position of glass substrate, and the glass substrate that regulates is positioned over the first friction base station 8.
In the present embodiment, friction roller 1 comprises that first servomotor, 4, the first friction base stations 8 comprise that second servomotor, 10, the second friction base stations 3 comprise the 3rd servomotor (not shown).As shown in Figure 4, friction roller 1 is connected with two first servomotors 4, the up-down and the rotation of first servomotor, 4 may command friction rollers 1; And present embodiment also is that the first friction base station 8 is provided with two second servomotors, 10, the second servomotors 10 and is connected with the first friction base station 8, and control first rub base station 8 up-down and move horizontally.The 3rd servomotor and the second friction base station 3 are connected, and control second rub base station 3 up-down and move horizontally.
Need to prove; Second servomotor 10 not only can be controlled the first friction base station 8 and move horizontally and translational speed; And when the first friction base station 8 vertically was provided with, second servomotor 10 can be used for controlling moving and translational speed of first friction base station 8 vertical directions.Same, when the second friction base station 3 vertically was provided with, said the 3rd servomotor can be used for controlling moving and translational speed of first friction base station 8 vertical directions.
In the present embodiment, alignment film rubbing equipment comprises in that glass substrate is carried out the friction process process:
1) places glass substrate.
When carrying out friction process; In order to let two glass substrates in the present embodiment obtain identical angle of friction, must make the glass substrate (i.e. first glass substrate 5) that the first friction base station places and the glass substrate (i.e. second glass substrate 2) of the second friction base station placement have 180 ° corresponding relation; In other words; First glass substrate 5 and second glass substrate 2 are provided with the face of alignment films and place relatively; And first glass substrate 5 and second glass substrate 2 are placed form and are cross-shaped, and as shown in Figure 5, Fig. 5 is the schematic top plan view of the alignment film rubbing equipment of present embodiment; Wherein represent first glass substrate 5, represent second glass substrate 2 down with the solid box of solid triangle with the frame of broken lines of solid triangle.
With reference to Fig. 7, the implementation procedure of above-mentioned 180 ° corresponding relation is described once below:
As shown in Figure 7, dispose the first mechanical arm a, the second mechanical arm b on the rotation base station 9.In the present embodiment; After the first mechanical arm a is placed into first glass substrate 5 on the rotation base station 9; If this moment first glass substrate 5 laying state when identical with second second glass substrate 2 states as shown in Figure 7; Then can make rotation base station 9 turn clockwise 90 ° earlier, will rotate the alignment films (among Fig. 7 shown in the frame of broken lines) down that base station 9 overturns and makes first glass substrate 5 then, through the second mechanical arm b first glass substrate 5 delivered to first base station 8 that rubs again at surface level.
In addition, the placement flow process of second glass substrate 2 is then the same basically with correlation technique of the prior art, and present embodiment does not remake description to it.
2) regulate the amount of being pressed into.
For the glass substrate of same model, the amount of being pressed into of 1 pair of glass substrate alignment films of friction roller is certain.In the present embodiment, 1 pair first glass substrate 5 of friction roller is identical with the amount of being pressed into of second glass substrate 2, and the control method of the said amount of being pressed into is to reduce friction roller 1, regulates the amount of being pressed into of 1 pair second glass substrate 2 of friction roller earlier; Control the amount of being pressed into of 1 pair first glass substrate 5 of friction roller through regulating the first friction base station 8 again.
3) alignment films is rubbed.
Be provided with the first friction base station 8, the second friction base station 3 move horizontally speed after, the first friction base station 8 and second base station 3 that rubs moves according to set velocity level, and the alignment films of glass substrate is carried out friction operation.
Like this, once just can accomplish the friction process of two glass substrates, improve the work efficiency of friction device.
Preferably; Because performance of alignment film rubbing equipment of present embodiment is accomplished two glass substrates simultaneously; In the time needn't fast speed being set, also can satisfy original volume production demand fully, therefore in order to obtain the more orientation uniformity coefficient of high-quality, under the situation of the original volume production of correspondence; The translational speed of friction base station be can reduce, 40mm/sec or 30mm/sec dropped to like the speed of moving horizontally of the base station that will rub.Like this, every glass substrate can both be rubbed fully, obtains direction of orientation more uniformly, and then improves the display quality of liquid crystal display.
As shown in Figure 6, the surface structure of the inboard alignment films of glass substrate that the alignment film rubbing equipment through present embodiment that shows obtains, as can be seen from Figure 6, groove 6 distributes very even, the arrangement of liquid crystal molecule 7 evenly and orientation very consistent.
It is thus clear that the alignment film rubbing equipment of using present embodiment can thoroughly solve the uneven problem that differs with orientation of arrangement of liquid crystal molecule, thereby improve the contrast of LCD degree and shown image quality under the prerequisite that guarantees the volume production demand.
The above is merely the preferred embodiment of the utility model, is not the protection domain that is used to limit the utility model.
Claims (9)
1. an alignment film rubbing equipment is characterized in that, this equipment comprises: friction roller, the first friction base station and the second friction base station; Wherein,
Said friction roller is positioned between the first friction base station and the second friction base station, and the said first friction base station and the second friction base station are symmetrical set.
2. alignment film rubbing equipment according to claim 1 is characterized in that, this equipment also comprises: the rotation base station of placing glass substrate to the said first friction base station, the second friction base station.
3. alignment film rubbing equipment according to claim 2 is characterized in that, said rotation base station is coated with alignment films on glass substrate that the first friction base station is placed and the glass substrate of placing at the second friction base station face is 180 ° of corresponding relations.
4. alignment film rubbing equipment according to claim 1 is characterized in that, the said first friction base station and the second friction base station are horizontally disposed with, and the said first friction base station is positioned at directly over the second friction base station.
5. alignment film rubbing equipment according to claim 1 is characterized in that, the said first friction base station and the second friction base station vertically are provided with, and the said first friction base station is positioned at the right side of the second friction base station.
6. according to each described alignment film rubbing equipment of claim 1 to 5, it is characterized in that said friction roller is equipped with first servomotor that control self is gone up and down and rotated; The first friction base station is equipped with second servomotor that control self is gone up and down and moved; The second friction base station is equipped with the 3rd servomotor that control self is gone up and down and moved.
7. alignment film rubbing equipment according to claim 6 is characterized in that, the identical and scalable of translational speed of the said first friction base station, the second friction base station.
8. alignment film rubbing equipment according to claim 7 is characterized in that, the be pressed into amount of said friction roller on the glass substrate that the glass substrate and the second friction base station of the first friction base station placement are placed is identical.
9. according to each described alignment film rubbing equipment of claim 1 to 5, it is characterized in that the said first friction base station is equipped with first adsorbent equipment that is used to adsorb glass substrate; The said second friction base station is equipped with second adsorbent equipment that is used to adsorb glass substrate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202186045U CN202126555U (en) | 2011-06-24 | 2011-06-24 | Alignment film rubbing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202186045U CN202126555U (en) | 2011-06-24 | 2011-06-24 | Alignment film rubbing equipment |
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| Publication Number | Publication Date |
|---|---|
| CN202126555U true CN202126555U (en) | 2012-01-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011202186045U Expired - Lifetime CN202126555U (en) | 2011-06-24 | 2011-06-24 | Alignment film rubbing equipment |
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| CN (1) | CN202126555U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102645792A (en) * | 2012-04-25 | 2012-08-22 | 青岛海信电器股份有限公司 | Friction machine for fabrication of liquid crystal cell, liquid crystal cell and its fabrication method, and liquid crystal display device |
| CN104216175A (en) * | 2014-09-30 | 2014-12-17 | 信利半导体有限公司 | Rubbing device and rubbing method |
| CN104460117A (en) * | 2014-12-24 | 2015-03-25 | 合肥鑫晟光电科技有限公司 | Rubbing device and rubbing alignment method of rubbing device |
| CN104903787A (en) * | 2013-01-15 | 2015-09-09 | Wi-A株式会社 | Rubbing and photoaligning device |
| CN105511167A (en) * | 2016-02-03 | 2016-04-20 | 京东方科技集团股份有限公司 | Friction aligning device and friction aligning method |
| CN105629588A (en) * | 2016-04-08 | 2016-06-01 | 京东方科技集团股份有限公司 | Friction roller, friction device and friction method |
-
2011
- 2011-06-24 CN CN2011202186045U patent/CN202126555U/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102645792A (en) * | 2012-04-25 | 2012-08-22 | 青岛海信电器股份有限公司 | Friction machine for fabrication of liquid crystal cell, liquid crystal cell and its fabrication method, and liquid crystal display device |
| CN102645792B (en) * | 2012-04-25 | 2014-10-22 | 青岛海信电器股份有限公司 | Friction machine for fabrication of liquid crystal cell, liquid crystal cell and its fabrication method, and liquid crystal display device |
| CN104903787A (en) * | 2013-01-15 | 2015-09-09 | Wi-A株式会社 | Rubbing and photoaligning device |
| CN104903787B (en) * | 2013-01-15 | 2017-09-19 | Wi-A株式会社 | Friction and light alignment apparatus |
| CN104216175A (en) * | 2014-09-30 | 2014-12-17 | 信利半导体有限公司 | Rubbing device and rubbing method |
| CN104460117A (en) * | 2014-12-24 | 2015-03-25 | 合肥鑫晟光电科技有限公司 | Rubbing device and rubbing alignment method of rubbing device |
| US20160187677A1 (en) * | 2014-12-24 | 2016-06-30 | Boe Technology Group Co., Ltd. | Rubbing device and rubbing alignment method using the same |
| CN105511167A (en) * | 2016-02-03 | 2016-04-20 | 京东方科技集团股份有限公司 | Friction aligning device and friction aligning method |
| CN105511167B (en) * | 2016-02-03 | 2018-12-14 | 京东方科技集团股份有限公司 | Friction matching apparatus and friction matching method |
| CN105629588A (en) * | 2016-04-08 | 2016-06-01 | 京东方科技集团股份有限公司 | Friction roller, friction device and friction method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: JINGDONGFANG SCIENCE AND TECHNOLOGY GROUP CO., LTD Free format text: FORMER OWNER: BEIJING BOE PHOTOELECTRICITY SCIENCE + TECHNOLOGY CO., LTD. Effective date: 20150629 Owner name: BEIJING BOE PHOTOELECTRICITY SCIENCE + TECHNOLOGY Effective date: 20150629 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150629 Address after: 100015 Jiuxianqiao Road, Beijing, No. 10, No. Patentee after: BOE Technology Group Co., Ltd. Patentee after: Beijing BOE Photoelectricity Science & Technology Co., Ltd. Address before: 100176 Beijing city in Western Daxing District economic and Technological Development Zone, Road No. 8 Patentee before: Beijing BOE Photoelectricity Science & Technology Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120125 |