CN105807501A - Rubbing cloth and preparation method thereof, friction roller and method for pressure detection of friction roller - Google Patents
Rubbing cloth and preparation method thereof, friction roller and method for pressure detection of friction roller Download PDFInfo
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- CN105807501A CN105807501A CN201610391307.8A CN201610391307A CN105807501A CN 105807501 A CN105807501 A CN 105807501A CN 201610391307 A CN201610391307 A CN 201610391307A CN 105807501 A CN105807501 A CN 105807501A
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- Prior art keywords
- fluorescence
- friction
- friction cloth
- fiber
- cloth
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1337—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers
- G02F1/13378—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers by treatment of the surface, e.g. embossing, rubbing or light irradiation
- G02F1/133784—Surface-induced orientation of the liquid crystal molecules, e.g. by alignment layers by treatment of the surface, e.g. embossing, rubbing or light irradiation by rubbing
Abstract
The invention relates to the technical field of display and discloses a rubbing cloth and a preparation method thereof, a friction roller and a method for pressure detection of the friction roller.The rubbing cloth comprises fluorescence conductive fiber.The fluorescence conductive fiber comprises a fiber substrate and fluorescence conductive filler.Since the rubbing cloth comprises the fluorescence conductive fiber, the rubbing cloth has conductive characteristics and the characteristics of emitting fluorescence when stimulated.Since the rubbing cloth has the characteristics of emitting fluorescence when stimulated, when the quality of the rubbing cloth is detected, the badness of the surface of the rubbing cloth can be checked and judged by stimulating the rubbing cloth to emit the fluorescence and observing the conditions that the rubbing cloth is stimulated to emit the fluorescence.Therefore, badness detection results of the rubbing cloth can be more accurate and more reliable.Besides, since the rubbing cloth has the conductive characteristics, the static damage in the friction orientation process can be avoided.
Description
Technical field
The present invention relates to Display Technique field, particularly to a kind of friction cloth and preparation method thereof, friction roller, friction roller pressure detection method.
Background technology
Friction (rubbing) technique of field of liquid crystal display refers to by carrying out friction orientation with friction roller with alignment film surface on array base palte and color membrane substrates, certain direction, so that alignment film surface forms the groove allowing liquid crystal have tilt angle.Wherein, friction roller includes roll shaft and the docile friction cloth (RubbingCloth) on roll shaft, and usual friction cloth adopts nylon cloth, fiber or cotton.
In prior art, in the flow processs such as liquid crystal display (LCD) substrate production, test, carrying, substrate can produce buildup of static electricity, and itself be a charge process owing to rubbing, friction process can produce a large amount of electrostatic, therefore, friction orientation process easilys lead to accumulation of static electricity thus producing electrostatic breakdown, causing that substrate is impaired；And, owing to friction matching process is higher to the prescription of friction cloth, the any bad of friction cloth surface all can cause orientation bad such as rat, surface defect, adhesion foreign body etc., but, detection for friction cloth quality is but often difficulty with precisely, thus, and that cause orientation bad due to friction cloth is bad also often to be occurred.
Summary of the invention
The invention provides the pressure detection method of a kind of friction cloth and preparation method thereof, friction roller, friction roller, for solving the quality testing of friction cloth in the friction process of prior art precisely and the friction orientation process problem that is easily generated electrostatic breakdown.
For reaching above-mentioned purpose, the present invention provides techniques below scheme:
A kind of friction cloth, including fluorescence conductive fiber, described fluorescence conductive fiber includes fibrous substrate and fluorescence conductive filler.
Above-mentioned friction cloth includes fluorescence conductive fiber, is filled with the fluorescence conductive material possessing conductive characteristic and stimulated emission fluorescent characteristic in fluorescence conductive fiber, and therefore, this friction cloth possesses conductive characteristic and the characteristic of stimulated emission fluorescence；This friction cloth is owing to possessing the characteristic of stimulated emission fluorescence, therefore, when the quality of this friction cloth is detected, by exciting friction cloth emitting fluorescence and can search by observing the situation of friction cloth emitting fluorescence and judge the bad of friction cloth surface, relative to the method directly observing friction cloth in prior art, the testing result of above-mentioned detection method can be more precisely reliable；And, this friction cloth is owing to possessing conductive characteristic, therefore, utilizing this friction cloth to carry out in the process of friction matching, the static guiding on substrate can be walked to avoid electrostatic accumulate in a large number on substrate and then can avoid generation electrostatic breakdown in friction matching process by friction cloth；In sum, above-mentioned friction cloth can make the result of its quality testing relatively precisely and can avoid generation electrostatic breakdown in friction orientation process；And then, it is possible to improve the yield of friction matching technique.
Preferably, described fluorescence conductive filler is Structural electric Polymer.
Preferably, described fluorescence conductive filler is polyfluorene and derivant, polyaniline, polypyrrole or polythiophene.
Preferably, described fluorescence conductive filler is carbazole compound, siliceous compounds, poly-trimethylthiophene or adjacent Féraud beautiful jade/carbon nano tube compound material.
Preferably, described fibrous substrate includes nylon fiber and/or cotton fiber.
A kind of friction roller, is attached to the friction cloth on roll shaft including roll shaft and winding；Wherein, described friction cloth is the friction cloth described in any of the above-described technical scheme.For this friction roller, owing to the result of the quality testing of its friction cloth relatively precisely and then can ensure that the quality of its friction cloth is good；Further, owing to its friction cloth is electrically conductive and then can avoid generation electrostatic breakdown in friction orientation process；Therefore, this friction roller is utilized to carry out the yield of the alignment film that friction matching obtains higher.
A kind of preparation method of friction cloth, including:
It is substrate with fiber, prepares fluorescence conductive fiber with fluorescence conductive material for filler；
Described fluorescence conductive fiber is made friction cloth.
Preferably, described fluorescence conductive material is Structural electric Polymer.
Preferably, described fluorescence conductive material is polyfluorene and derivant, polyaniline, polypyrrole or polythiophene.
Preferably, described fluorescence conductive material is carbazole compound, siliceous compounds, poly-trimethylthiophene or adjacent Féraud beautiful jade/carbon nano tube compound material.
Preferably, described fiber includes nylon fiber and/or cotton fiber.
The pressure detection method of friction roller in a kind of technique scheme, including:
Perform, in the process of allocating process, to excite the friction cloth emitting fluorescence of described friction roller, and detect the intensity of described friction cloth emitting fluorescence at described friction roller；
Corresponding relation between intensity according to the described friction cloth emitting fluorescence detected and intensity and the friction cloth decrement of friction cloth stimulated emission fluorescence that pre-build, obtains the decrement of described friction cloth.
Accompanying drawing explanation
The preparation method flow chart of the friction cloth that Fig. 1 provides for the embodiment of the present invention；
The pressure detection method flow chart of the friction roller that Fig. 2 provides for the embodiment of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of protection of the invention.
Refer to Fig. 1 and Fig. 2.
A kind of friction cloth that the embodiment of the present invention provides, including fluorescence conductive fiber, namely fluorescence conductive fiber possesses conductive characteristic and the fiber of stimulated emission fluorescent characteristic, and specifically, this fluorescence conductive fiber can include fibrous substrate and fluorescence conductive filler.
Above-mentioned friction cloth includes fluorescence conductive fiber, is filled with the fluorescence conductive material possessing conductive characteristic and stimulated emission fluorescent characteristic in fluorescence conductive fiber, and therefore, this friction cloth possesses conductive characteristic and the characteristic of stimulated emission fluorescence；This friction cloth is owing to possessing the characteristic of stimulated emission fluorescence, therefore, when the quality of this friction cloth is detected, by exciting friction cloth emitting fluorescence and can search by observing the situation of friction cloth emitting fluorescence and judge the bad of friction cloth surface, relative to the method directly observing friction cloth in prior art, the testing result of above-mentioned detection method can be more precisely reliable；And, this friction cloth is owing to possessing conductive characteristic, therefore, utilizing this friction cloth to carry out in the process of friction matching, the static guiding on substrate can be walked to avoid electrostatic accumulate in a large number on substrate and then can avoid generation electrostatic breakdown in friction matching process by friction cloth；In sum, above-mentioned friction cloth can make the result of its quality testing relatively precisely and can avoid generation electrostatic breakdown in friction orientation process, and then, it is possible to improve the yield of friction matching technique.
In a kind of specific embodiment, the fluorescence conductive filler in fluorescence conductive fiber can be Structural electric Polymer.
Specifically, fluorescence conductive filler can be the polymer such as polyfluorene and derivant, polyaniline (PANI), polypyrrole (PPY) or polythiophene (PTH).
In another kind of specific embodiment, fluorescence conductive filler can be carbazole compound, siliceous compounds, poly-trimethylthiophene (P3MT) or adjacent Féraud beautiful jade/carbon nano tube compound material etc..
On the basis of above-mentioned two embodiment, in a kind of specific embodiment, the fibrous substrate in fluorescence conductive fiber can be nylon fiber or cotton fiber.
The embodiment of the present invention additionally provides a kind of friction roller, and this friction roller includes roll shaft and is wound around the friction cloth being attached on roll shaft；Friction cloth therein is the friction cloth in any of the above-described embodiment.For this friction roller, owing to the result of the quality testing of its friction cloth relatively precisely and then can ensure that the quality of its friction cloth is good；Further, owing to its friction cloth is electrically conductive and then can avoid generation electrostatic breakdown in friction orientation process；Therefore, this friction roller is utilized to carry out the yield of the alignment film that friction matching obtains higher.
The preparation method that the embodiment of the present invention additionally provides a kind of friction cloth, as it is shown in figure 1, the method includes:
Step S101, is substrate with fiber, prepares fluorescence conductive fiber with fluorescence conductive material for filler；
Step S102, makes friction cloth by fluorescence conductive fiber.
By the friction cloth that the preparation method of this friction cloth is obtained, including fluorescence conductive fiber, dosing the fluorescence conductive material possessing conductive characteristic and stimulated emission fluorescent characteristic in fluorescence conductive fiber, therefore, this friction cloth can possess conductive characteristic and the characteristic of stimulated emission fluorescence；This friction cloth is owing to possessing the characteristic of stimulated emission fluorescence, therefore, when the quality of this friction cloth is detected, by exciting friction cloth emitting fluorescence and can search by observing the situation of friction cloth emitting fluorescence and judge the bad of friction cloth surface, relative to the method directly observing friction cloth in prior art, the testing result of above-mentioned detection method can be more precisely reliable；And, this friction cloth is owing to possessing conductive characteristic, therefore, utilizing this friction cloth to carry out in the process of friction matching, the static guiding on substrate can be walked to avoid electrostatic accumulate in a large number on substrate and then can avoid generation electrostatic breakdown in friction matching process by friction cloth；In sum, by the friction cloth prepared by above-mentioned preparation method, the result of its quality testing can more precisely and its can avoid generation electrostatic breakdown in friction orientation process, and then, it is possible to improve the yield of friction matching technique.
In a kind of specific embodiment, in step S101, the fluorescence conductive material as filler can be Structural electric Polymer.
Specifically, this fluorescence conductive material can be the polymer such as polyfluorene and derivant, polyaniline (PANI), polypyrrole (PPY) or polythiophene (PTH).
In another kind of specific embodiment, fluorescence conductive material can be carbazole compound, siliceous compounds, poly-trimethylthiophene (P3MT) or adjacent Féraud beautiful jade/carbon nano tube compound material etc..
On the basis of above-mentioned two embodiment, in a kind of specific embodiment, the fiber as base material can include nylon fiber or cotton fiber.
For the friction roller provided in above-described embodiment, the embodiment of the present invention additionally provides this friction roller a kind of pressure detection method in friction matching process, as in figure 2 it is shown, the method includes:
Step S201, excites the friction cloth emitting fluorescence of friction roller in friction matching process, and detects the intensity of friction cloth emitting fluorescence；
Step S202, according to the variation relation between the intensity of the friction cloth emitting fluorescence detected and intensity and the decrement of friction cloth stimulated emission fluorescence that pre-build, obtains the decrement of this friction cloth.
After friction cloth compressive deformation, generation is changed by the density of the fluorescence conductive material at its deformation position, now, generation is also changed by the intensity of friction cloth pressurized zone (deformed region) stimulated emission fluorescence, therefore, between fluorescence intensity and its decrement of friction cloth stimulated emission, there is certain corresponding relation；Specifically, the variation relation between the excited state of fluorescence intensity and its decrement launch under to(for) friction cloth can pass through repeatedly to repeat experimental analysis and obtain.
For above-mentioned steps S202, specifically may include that the variation relation between intensity and its decrement of first setting up friction cloth stimulated emission fluorescence according to experimental results, it is possible to stored in Computer Database by above-mentioned variation relation；Then the fluorescence intensity level of the friction cloth of detection in friction matching process can be inputted in computer in real time；Finally, by computer, the fluorescence intensity level testing result of friction cloth is analyzed, can obtain in real time the decrement of friction cloth with the variation relation of storage in data base, namely obtain friction roller intrusion in friction matching process.
Pressure detection method by above-mentioned friction roller, real-time detection can be realized and adjusted the intrusion of friction roller by testing result, what characterize due to the intrusion of friction roller is friction roller force value to alignment film in friction matching process, and then the intrusion adjusting friction roller in real time can ensure that the moderate pressure of friction roller in friction matching process, thus improving the production yield of alignment film；Further, the pressure detection method of above-mentioned friction roller makes the process of orientation become intelligent, precision.
Obviously, the embodiment of the present invention can be carried out various change and modification without deviating from the spirit and scope of the present invention by those skilled in the art.So, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (12)
1. a friction cloth, it is characterised in that including fluorescence conductive fiber, described fluorescence conductive fiber includes fibrous substrate and fluorescence conductive filler.
2. friction cloth according to claim 1, it is characterised in that described fluorescence conductive filler is Structural electric Polymer.
3. friction cloth according to claim 1, it is characterised in that described fluorescence conductive filler is polyfluorene and derivant, polyaniline, polypyrrole or polythiophene.
4. friction cloth according to claim 1, it is characterised in that described fluorescence conductive filler is carbazole compound, siliceous compounds, poly-trimethylthiophene or adjacent Féraud beautiful jade/carbon nano tube compound material.
5. the friction cloth according to any one of Claims 1 to 4, it is characterised in that described fibrous substrate includes nylon fiber and/or cotton fiber.
6. a friction roller, it is characterised in that include roll shaft and be wound around the friction cloth being attached on roll shaft；Wherein, described friction cloth is the friction cloth described in any one of Claims 1 to 5.
7. the preparation method of a friction cloth, it is characterised in that including:
It is substrate with fiber, prepares fluorescence conductive fiber with fluorescence conductive material for filler；
Described fluorescence conductive fiber is made friction cloth.
8. method according to claim 7, it is characterised in that described fluorescence conductive material is Structural electric Polymer.
9. method according to claim 7, it is characterised in that described fluorescence conductive material is polyfluorene and derivant, polyaniline, polypyrrole or polythiophene.
10. method according to claim 7, it is characterised in that described fluorescence conductive material is carbazole compound, siliceous compounds, poly-trimethylthiophene or adjacent Féraud beautiful jade/carbon nano tube compound material.
11. according to the method described in any one of claim 7～10, it is characterised in that described fiber includes nylon fiber and/or cotton fiber.
12. the pressure detection method of a friction roller as claimed in claim 6, it is characterised in that including:
Perform, in the process of allocating process, to excite the friction cloth emitting fluorescence of described friction roller, and detect the intensity of described friction cloth emitting fluorescence at described friction roller；
Corresponding relation between intensity according to the described friction cloth emitting fluorescence detected and intensity and the friction cloth decrement of friction cloth stimulated emission fluorescence that pre-build, obtains the decrement of described friction cloth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610391307.8A CN105807501B (en) | 2016-06-03 | 2016-06-03 | Friction cloth and preparation method thereof, friction roller, friction roller pressure detection method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610391307.8A CN105807501B (en) | 2016-06-03 | 2016-06-03 | Friction cloth and preparation method thereof, friction roller, friction roller pressure detection method |
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| Publication Number | Publication Date |
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| CN105807501A true CN105807501A (en) | 2016-07-27 |
| CN105807501B CN105807501B (en) | 2018-07-06 |
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| CN201610391307.8A Expired - Fee Related CN105807501B (en) | 2016-06-03 | 2016-06-03 | Friction cloth and preparation method thereof, friction roller, friction roller pressure detection method |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007232938A (en) * | 2006-02-28 | 2007-09-13 | Gurabitei:Kk | Rubbing cloth |
| CN101611344A (en) * | 2006-11-07 | 2009-12-23 | 可乐丽贸易有限公司 | Friction cloth |
| CN203204273U (en) * | 2013-05-10 | 2013-09-18 | 京东方科技集团股份有限公司 | Friction cloth and friction alignment device |
| CN103558715A (en) * | 2013-11-12 | 2014-02-05 | 北京京东方光电科技有限公司 | Friction cloth and friction device |
| CN104808394A (en) * | 2015-05-07 | 2015-07-29 | 合肥鑫晟光电科技有限公司 | Rubbing alignment equipment |
-
2016
- 2016-06-03 CN CN201610391307.8A patent/CN105807501B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007232938A (en) * | 2006-02-28 | 2007-09-13 | Gurabitei:Kk | Rubbing cloth |
| CN101611344A (en) * | 2006-11-07 | 2009-12-23 | 可乐丽贸易有限公司 | Friction cloth |
| CN203204273U (en) * | 2013-05-10 | 2013-09-18 | 京东方科技集团股份有限公司 | Friction cloth and friction alignment device |
| CN103558715A (en) * | 2013-11-12 | 2014-02-05 | 北京京东方光电科技有限公司 | Friction cloth and friction device |
| CN104808394A (en) * | 2015-05-07 | 2015-07-29 | 合肥鑫晟光电科技有限公司 | Rubbing alignment equipment |
Non-Patent Citations (1)
| Title |
|---|
| 耀德兴: "《百度百科》", 24 January 2016 * |
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| CN105807501B (en) | 2018-07-06 |
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