CN100394280C - Liquid crystal guide rod cleaning device and its cleaning method - Google Patents
Liquid crystal guide rod cleaning device and its cleaning method Download PDFInfo
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- CN100394280C CN100394280C CNB2004100628892A CN200410062889A CN100394280C CN 100394280 C CN100394280 C CN 100394280C CN B2004100628892 A CNB2004100628892 A CN B2004100628892A CN 200410062889 A CN200410062889 A CN 200410062889A CN 100394280 C CN100394280 C CN 100394280C
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- guide rod
- liquid crystal
- crystal guide
- dust
- orientation
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Abstract
The present invention relates to liquid crystal guide rod cleaning equipment for fabricating a liquid crystal guide film and a cleaning method thereof, wherein the liquid crystal guide rod cleaning equipment is provided with a dirt removing device which is provided with an ultrasonic wave generation device and a dust suction device which is arranged on one side of the ultrasonic wave generation device. Ultrasonic waves are applied to a guide rod by the ultrasonic wave generation device to convert residual granules attached on the surface of the guide rod into dust of finer granules. Then, the dust is sucked by the dust suction device to achieve the effect of cleaning the guide rod.
Description
(1) technical field
Along with the digital network development of science and technology, little by little influence the 21st century mankind's work and life.LCD screen (LCD) has been widely used in each aspect in the daily life, its LCD panel industry except originally with notebook computer (Note Book) as the core application, more use development with all strength towards the market that comprises information household appliances such as LCD computer screen, Portable consumption-orientation video and audio product, mobile phone and liquid crystal TV set.
(2) background technology
Though the image quality of lcd screen is very approaching with complete cold-cathode tube (CRT) screen of development, still has several problems such as visual angle, contrast, show uniformity to be improved; And be applied in that high density, height such as LCD TV become more meticulous, on the large scale Products Development, more have problems such as response speed, color reproduction to overcome.And the assessment technology of the control technology of relevant LCD alignment, alignment film research in liquid crystal panel is directly closely bound up with above-mentioned problem.So the production control technology of alignment film has its suitable importance.
The status of alignment film in LCD is extremely important, and wherein a kind of technology of manufacturing alignment film, promptly be to utilize the macromolecule surface of orientation pole pair alignment film to exert pressure to carry out the forward mechanical type friction behavior of contact, the friction macromolecule surface the energy of confession high polymer main chain is forward arranged because of extension, reach the method for LCD alignment arrangement.
In the process of operation orientation bar, the orientation portion (making with materials such as Bu Mao or flannelettes) that attaches to body of rod surface must keep its surperficial clean-up performance, be attached to orientation portion surface as if objects such as residual particles are arranged, when carrying out the alignment film production process, may cause the projection on orientation bar surface because of residual particles, and the macromolecule surface that makes alignment film is arranged inequality, then will make the liquid crystal molecule that is distributed on the alignment film macromolecule surface present irregular tabular, and have influence on the quality of LCD.So must keep the clean conditions on orientation bar surface often, making it not can be because of the adhering to of residual particles, and the yield that causes alignment film to make descends.
As shown in Figure 1, for keeping the cleaning of orientation bar 10 surfaces (being orientation portion 101 surfaces), prior art is to utilize the suction of vacuum cleaner 13, the residual particles that is attached to orientation bar 10 surfaces is siphoned away, make residual particles can not have influence on the alignment film production process, and reduce the yield that alignment film is made.
Yet the residual particles that partly is attached to orientation bar 10 is difficult for being siphoned away by vacuum cleaner 13, continues to be attached on the surface of orientation bar 10, has influence on the ordered state of alignment film macromolecule surface, and the yield that causes alignment film to make descends.
As mentioned above, need develop one and be applicable to liquid crystal guide rod cleaning device and the method that liquid crystal orienting film is made, with the surface of effective cleaning orientation bar, prevent that the alignment film quality is bad, even and the stable yield that increases alignment film.
(3) summary of the invention
The shortcoming of prior art in view of the above, a purpose of the present invention provides a liquid crystal guide rod cleaning device and clean method, with the surface of cleaning orientation bar, and overcomes the shortcoming of prior art.
Another object of the present invention is for providing a liquid crystal guide rod cleaning device and clean method, surface with cleaning orientation bar, by transforming residual particles with ultrasonic is the trickleer dust of particle, and reduces the surface that residual particles is attached to the orientation bar, to improve the yield that alignment film is made.
Another purpose of the present invention is for providing a liquid crystal guide rod cleaning device and clean method, by the image on image capture unit acquisition orientation bar surface, is and is shown on the display, more effectively to monitor orientation bar clean Surface.
A further object of the present invention is for providing a liquid crystal guide rod cleaning device and clean method, surface with cleaning orientation bar, to influence the marshalling degree of orientation bar superficial makings by ultrasonic generating means and dust sucking plant, be beneficial to the production process of follow-up alignment film.
The invention provides a kind of liquid crystal guide rod cleaning device and clean method, by an orientation bar is provided, and with the fixing orientation bar of orientation lever fixing apparatus; Apply ultrasonic in the orientation bar with the decontamination apparatus with ultrasonic generating means and dust sucking plant again, being attached to the lip-deep residual particles of orientation bar with conversion is the trickleer dust of particle.Afterwards, again with dust sucking plant absorption dust, to reach the effect of orientation bar cleaning.
Each feature of aforesaid the present invention will be described in detail in following preferred embodiment.
(4) description of drawings
Fig. 1 is the synoptic diagram of the equipment of existing cleaning orientation bar;
Fig. 2 is the synoptic diagram of first embodiment of liquid crystal guide rod cleaning device of the present invention;
Fig. 3 is the synoptic diagram of second embodiment of liquid crystal guide rod cleaning device of the present invention;
Fig. 4 is the synoptic diagram of the 3rd embodiment of liquid crystal guide rod cleaning device of the present invention; And
Fig. 5 is the process flow diagram of liquid crystal guide rod clean method of the present invention.
(5) embodiment
The invention provides a kind of liquid crystal guide rod cleaning device of making liquid crystal orienting film that is applicable to, will be in following detailed description.The embodiment of the invention is based on the described problem of solution prior art, but the claim of institute of the present invention tool does not exceed with the description of following accompanying drawing and embodiment, and should be as the criterion with the claim and the spirit of being applied for.
First embodiment of the invention as shown in Figure 2, liquid crystal guide rod cleaning device has a decontamination apparatus 25, decontamination apparatus 25 has ultrasonic generating means 251 and dust sucking plant 253, dust sucking plant 253 is arranged at a side of ultrasonic generating means 251.Orientation bar 20 to be cleaned is fixed in a fixed position by an orientation lever fixing apparatus 21, and can utilize the rotation situation of orientation lever fixing apparatus 21 control orientation bars 20.25 of decontamination apparatus are arranged at orientation lever fixing apparatus 21 peripheries.
When beginning to clean orientation bar 20, ultrasonics can take place applying the residual particles of a ultrasonic on liquid crystal guide rod 20 in ultrasonic generating means 251, and residual particles is converted into the trickleer dust of particle; Afterwards, by dust sucking plant 253 suction taking place, makes it break away from orientation bar 20 with the absorption dust again.Because ultrasonic can make residual particles be converted into the trickleer dust of particle, even the powerful originally residual particles that is bonded to orientation portion 201 surfaces, also can as prior art, only can not absorb the residual particles of not powerful set because being converted into trickleer dust easily.So liquid crystal guide rod cleaning device of the present invention can clean the surface of orientation bar 20 effectively, in case lip-deep residual particles reduces the yield that alignment film is made.
In addition, as shown in Figure 2, liquid crystal guide rod cleaning device of the present invention also can comprise a control device 255 and be connected to decontamination apparatus 25, it has position regulator 257 and is connected to ultrasonic generating means 251 and dust sucking plant 253 respectively with position regulator 259, to control or to adjust its relative position and effect angle.And control device 255 also can comprise the intensity adjusting gear, to be connected to ultrasonic generating means 251 and dust sucking plant 253 respectively, the intensity size when to adjust ultrasonic or absorption dust taking place.And liquid crystal guide rod cleaning device of the present invention also can comprise the video picture capture device 27 that is arranged at the decontamination apparatus outside, and image capture unit 27 is connected to a display 29.
When beginning to clean orientation bar 20 surperficial, can be at any time image by image capture unit 27 acquisition orientation bars 20 surfaces, and the image that will capture by display 29 presents; So, just in the image that can present by display 29, judge whether to still have residual particles to be attached on the surface of orientation bar 20.Again owing to be connected in ultrasonic generating means 251 and dust sucking plant 253, the intensity of control device 255 may command ultrasonic generating meanss 251 and dust sucking plant 253, position and effect angle, so if when finding that there is the residual particles that the utmost point is not easy to clean on the surface of orientation bar 20, just can adjust the position and effect angle of ultrasonic generating means 251 and dust sucking plant 253 by control dress system 255, and the intensity of enhancing ultrasonic generating means 251 and dust sucking plant 253, carry out cleaning action at orientation bar 20 surfaces that are difficult to clean especially.So, just can prevent as prior art,, or because be not easy to clean the yield decline that is difficult to the residual particles that gets loose from orientation bar 20 surfaces and causes alignment film to be made because can't monitor the situation on orientation bar 20 surfaces.And, more, can utilize ultrasonic that residual particles is converted into the trickleer dust of a particle by ultrasonic generating means 251 earlier, so can promote the quality of cleaning because before dust sucking plant 253 begins to adsorb residual particles.Even after cleaning procedure is finished, also can ultrasonic take place, and the situation of utilizing suction affects orientation portion 201 surfaces of dust sucking plant 253 by ultrasonic generating means 251; For example, if orientation portion 201 is a friction cloth, then can be by the marshalling degree of ultrasonic generating means 251 with dust sucking plant 253 influence friction cloth superficial makingss, then, capture the image of orientation portions 201 superficial makingss again via image capture unit 27, and be shown on the display 29, in order to the follow-up alignment film production process that carries out of beginning.
Orientation lever fixing apparatus 21 of the present invention can be as shown in Figure 2 structure, also can change over other forms according to need with fixing orientation bar 20.Also can be according to need or global design different as for the position regulator 257 and 259 of control ultrasonic generating means 251 and dust sucking plant 253 positions and effect angle, and adjust its position and act on angle with other kinds form or design.And dust sucking plant 253 can be a Hoover, or other have the device of absorption residual particles or dust function.Image capture unit 27 is to can be a charge coupled cell, or other have the device of image acquisition function.
The second embodiment of the present invention can capture the image on orientation bars 20 surfaces by image capture unit 27 as shown in Figure 3, and shows by display 29; Decontamination apparatus 25 then is arranged at the below of orientation bar 20.
So when not transforming residual particles ultrasonics taking place as yet and being dust, had partly residual particles because gravitational relation, and dropped in dust sucking plant 253 with ultrasonic generating means 251.So,, just can strengthen the cleaning effect of decontamination apparatus by gravitational effect because decontamination apparatus 25 is arranged at the below of orientation bar 20.
The structure of trash-removal device 25 of the present invention can be as first embodiment and second embodiment, and ultrasonic generating means 251 and dust sucking plant 253 are the instruments for separating, but can be a structure that combines as third embodiment of the invention also.Shown in Figure 4 as third embodiment of the invention, ultrasonic generating means 251 is arranged at the both sides of dust sucking plant 253; Ultrasonic generating means 251 generation ultrasonics by both sides are the trickleer dust of particle with the residual particles that conversion is attached to orientation bar 20 surfaces, again with dust sucking plant 253 absorption dust, to reach cleaning effect.And in cleaning course, then can show by display 29 again by the image on image capture unit 27 acquisition orientation bars 20 surfaces.
Be the convenient image of observing orientation bar 20 surfaces, can be by the enlarging function magnified image of display 29 institute tools own, also can be as shown in FIG., an optical element 271 that can change opticpath was set, to reach the effect of amplification before image capture unit 27.
And for example shown in Figure 5, liquid crystal guide rod clean method of the present invention shown in step 31, provides the orientation bar of desire cleaning earlier.For another example shown in the step 33, the position of adjusting ultrasonic generating means and dust sucking plant with a control device with act on angle, make it and the orientation bar between present relative position when helping cleaning most.Then, as step 35, apply ultrasonic to the orientation bar, the residual particles that is attached to orientation bar surface with conversion is the trickleer dust of particle, to help cleaning.Afterwards, can shown in step 37, the orientation bar be cleaned in dust absorption with dust sucking plant.
And the present invention also can be as step 311, with the image on image capture unit acquisition orientation bar surface; And then,,, determined whether the unclean part of cleaning to monitor the cleaning situation on follow-up orientation bar surface by display show image capture device picked image as step 313, guarantee the effect that cleans.
So liquid crystal guide rod cleaning device of the present invention and clean method, be that the residual particles of utilizing ultrasonic to transform orientation bar surface is the trickleer dust of particle, and with its absorption, and reach the effect of thorough cleaning, increase the efficient of cleaning orientation bar, also guarantee the yield that alignment film is made.Also can monitor simultaneously the clean conditions on orientation bar surface by image capture unit, to guarantee the clean-up performance on orientation bar surface.And, also can influence the marshalling degree of orientation bar surface (as friction cloth surface) texture by ultrasonic generating means and dust sucking plant, then, monitor it via image capture unit and display picture displayed and arrange situation, in order to the follow-up alignment film production process that carries out.
The above is preferred embodiment of the present invention only, is not in order to limit claim of the present invention; All other do not break away from the equivalence of being finished under the disclosed spirit and changes or modification, all should be included in the following claim institute restricted portion.
Claims (5)
1. a liquid crystal guide rod cleaning device is used to clean the residual particles on the liquid crystal guide rod, and this liquid crystal guide rod cleaning device comprises:
One ultrasonic generating means in order to applying the residual particles of a ultrasonic on this liquid crystal guide rod, and is converted into the trickleer dust of particle with residual particles; And
One dust sucking plant is arranged at the periphery of this ultrasonic generating means, breaks away from this liquid crystal guide rod to adsorb this dust.
2. liquid crystal guide rod cleaning device as claimed in claim 1 is characterized in that also comprising an image capture unit.
3. liquid crystal guide rod cleaning device as claimed in claim 2 is characterized in that this image capture unit is connected in a display.
4. liquid crystal guide rod clean method comprises:
One liquid crystal guide rod with residual particles is provided;
Apply a ultrasonic this residual particles to this liquid crystal guide rod, make it be converted into the trickleer dust of particle; And
Clean this dust on this liquid crystal guide rod with a dust sucking plant.
5. liquid crystal guide rod clean method as claimed in claim 4 is characterized in that also comprising an image that captures this orientation bar surface with an image capture unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100628892A CN100394280C (en) | 2004-07-05 | 2004-07-05 | Liquid crystal guide rod cleaning device and its cleaning method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100628892A CN100394280C (en) | 2004-07-05 | 2004-07-05 | Liquid crystal guide rod cleaning device and its cleaning method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1588210A CN1588210A (en) | 2005-03-02 |
| CN100394280C true CN100394280C (en) | 2008-06-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CNB2004100628892A Expired - Fee Related CN100394280C (en) | 2004-07-05 | 2004-07-05 | Liquid crystal guide rod cleaning device and its cleaning method |
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| CN (1) | CN100394280C (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006251674A (en) * | 2005-03-14 | 2006-09-21 | Shin Nisseki Ekisho Film Kk | Manufacturing method for optical element |
| CN101414072B (en) * | 2007-10-19 | 2012-11-21 | 奇美电子股份有限公司 | Platform for manufacturing liquid crystal display device and method for examining exogenous impurity on platform |
| CN102662273A (en) * | 2012-05-11 | 2012-09-12 | 昆山天卓贸易有限公司 | Aligned micro-dust cleaning device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10253961A (en) * | 1997-01-08 | 1998-09-25 | Seiko Epson Corp | Method and device for rubbing substrate |
| US6217665B1 (en) * | 1992-02-07 | 2001-04-17 | Canon Kabushiki Kaisha | Method of cleaning substrate using ultraviolet radiation |
| JP2002244136A (en) * | 2001-02-21 | 2002-08-28 | Hitachi Ltd | Inspecting method for rubbing cloth and manufacturing method, and manufacturing device for liquid crystal display element |
-
2004
- 2004-07-05 CN CNB2004100628892A patent/CN100394280C/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6217665B1 (en) * | 1992-02-07 | 2001-04-17 | Canon Kabushiki Kaisha | Method of cleaning substrate using ultraviolet radiation |
| JPH10253961A (en) * | 1997-01-08 | 1998-09-25 | Seiko Epson Corp | Method and device for rubbing substrate |
| JP2002244136A (en) * | 2001-02-21 | 2002-08-28 | Hitachi Ltd | Inspecting method for rubbing cloth and manufacturing method, and manufacturing device for liquid crystal display element |
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| Publication number | Publication date |
|---|---|
| CN1588210A (en) | 2005-03-02 |
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Granted publication date: 20080611 Termination date: 20200705 |