CN103698941A - Directional liquid transfer method and device - Google Patents
Directional liquid transfer method and device Download PDFInfo
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- CN103698941A CN103698941A CN201310703987.9A CN201310703987A CN103698941A CN 103698941 A CN103698941 A CN 103698941A CN 201310703987 A CN201310703987 A CN 201310703987A CN 103698941 A CN103698941 A CN 103698941A
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Abstract
The invention discloses a directional liquid transfer method and device. In the transfer method, a pressure perception film wrapping a transfer roll can obtain surface evenness information of display panel regions in a directional liquid substrate to be transferred and adjust printing dot patterns in a piezoelectric variable layer wrapping the surface of the printing roll and corresponding to the display panel regions according to the obtained surface evenness information to enable printing dot patterns of the piezoelectric variable layer to be deformed into the shape matched with the display panel regions in the directional liquid substrate to be transferred, so that unit area pressure borne by the display panel regions in the directional liquid substrate to be transferred is uniform when the printing roll conducts directional liquid transferring on the display panel regions in the directional liquid substrate to be transferred, and transfer quality is improved accordingly.
Description
Technical field
The present invention relates to technical field of liquid crystal display, espespecially a kind of method of oriented liquid transfer printing and transfer device.
Background technology
In recent years, display panels (Liquid Crystal Display, LCD) spreads all in people's life gradually.Display panels is mainly by array base palte, subtend substrate, and the liquid crystal layer between two substrates forms.Display panels changes the transmissivity of display panels by the orientation of electric field controls liquid crystal molecule, thereby realizes Presentation Function.For liquid crystal molecule is arranged by certain direction under original state, need to apply respectively one deck alignment films at the subtend substrate of display panels and the inside surface of array base palte, below array base palte and subtend substrate are referred to as to substrate.
The process that forms alignment films on substrate is mainly the process of printing oriented liquid on glass substrate, oriented liquid (or being called orientation liquid, alignment liquid) is generally polyimide (being called for short PI liquid), on substrate, print oriented liquid generally carries out in transfer device, Figure 1 shows that the equipment work schematic diagram of substrate P I liquid transfer process, transfer printing board 3 twists in print roller 1, with print roller 1, rotate, when turning over transfer roll 2, be coated with PI liquid, transfer printing board 3 has protruding segment (pattern), only has the place of segment could adsorb PI liquid on transfer printing board 3.Substrate 4 tangential movement on microscope carrier 5, while moving to print roller 1 below, the lucky contact substrate 4 of a side of transfer printing board 3, then relies on the rotation of print roller 1 and the tangential movement of microscope carrier 5, transfer printing board 3 is transferred in PI liquid on substrate 4, makes PI liquid on substrate 4, form PI film 6.
Above-mentioned existing transfer device, owing to can not the state of substrate being carried out to perception, when substrate surface out-of-flatness, can cause the pressure heterogeneity of bearing in unit area between substrate and print roller, thereby affects the quality of alignment films.
Summary of the invention
The embodiment of the present invention provides a kind of method and transfer device of oriented liquid transfer printing, in order to realize a kind of transfer device with perceptional function, to improve the homogeneity of the pressure that between oriented liquid substrate to be transferred and print roller, unit area is born, thereby improve transfer quality.
The method of a kind of oriented liquid transfer printing that the embodiment of the present invention provides, comprising:
Be coated with transfer roll and the oriented liquid substrate contacts to be transferred transfer printing of pressure perception film, described pressure perception film obtains the surface smoothness information of each display panel areas in described oriented liquid substrate to be transferred;
According to the surface smoothness information of each display panel areas in the oriented liquid substrate described to be transferred getting, to being coated on printing net-point pattern corresponding with each display panel areas in the piezoelectricity variable layer on print roller surface, regulate, make the deformation that in printing net-point pattern generating that described piezoelectricity variable layer has and described oriented liquid substrate to be transferred, each display panel areas matches;
After in the deformation of the printing net-point pattern generating having at described piezoelectricity variable layer and described oriented liquid substrate to be transferred, each display panel areas matches, at the adsorption oriented liquid of described print roller;
Control surface absorption has print roller and the transfer printing of described oriented liquid substrate contacts to be transferred of oriented liquid, and described oriented liquid is transferred to each display panel areas in described oriented liquid substrate to be transferred.
The method of the above-mentioned oriented liquid transfer printing that the embodiment of the present invention provides, owing to being coated on the pressure perception film of transfer roll and can obtaining the surface smoothness information of each display panel areas in oriented liquid substrate to be transferred, and according to the surface smoothness information getting, to being coated on printing net-point pattern corresponding with each display panel areas in the piezoelectricity variable layer on print roller surface, regulate, make the deformation that in printing net-point pattern generating that piezoelectricity variable layer has and oriented liquid substrate to be transferred, each display panel areas matches, make print roller when each display panel areas is carried out oriented liquid transfer printing in oriented liquid substrate to be transferred, the compressive load per unit area homogeneous that in oriented liquid substrate to be transferred, each display panel areas is born, thereby raising transfer quality.
Preferably, in order to obtain the surface smoothness information of each display panel areas in oriented liquid substrate to be transferred, in the said method providing in the embodiment of the present invention, the first electrode and the second electrode that described pressure perception film is arranged by orthogonal thereto direction, and the middle dielectric layer between described the first electrode and described the second electrode forms; Wherein, at described the first electrode and described the second overlapping place of electrode, form capacitive transducer;
Described pressure perception film obtains the surface smoothness information of each display panel areas in described oriented liquid substrate to be transferred, specifically comprises:
The pressure that described in each, capacitive transducer produces with described oriented liquid substrate to be transferred described pressure perception film when contacting transfer printing is converted to the variation of capacitance, and exports in the faradic mode of piezoelectricity;
According to the voltage inductance induced current size of each capacitive transducer output in described pressure perception film, and the position of described each capacitive transducer in pressure perception film, determine the surface smoothness information of each display panel areas in described oriented liquid substrate to be transferred.
Preferably, in order to regulate being coated on printing net-point pattern corresponding with each display panel areas in the piezoelectricity variable layer on print roller surface, in the said method providing in the embodiment of the present invention, described piezoelectricity variable layer is by piezoelectric ceramics deformation layer, and the electrode structure composition of controlling described piezoelectric ceramics deformation layer generation deformation;
Describedly to being coated on printing net-point pattern corresponding with each display panel areas in the piezoelectricity variable layer on print roller surface, regulate, specifically comprise:
According to the surface smoothness information of described each display panel areas, determine the magnitude of voltage of the required deformation of described piezoelectric ceramics deformation layer;
The magnitude of voltage of determining described in applying to the electrode structure of controlling piezoelectric ceramics deformation layer generation deformation.
Preferably, for the ease of implementing, in the said method providing in the embodiment of the present invention, the described adsorption oriented liquid in described print roller, specifically comprises:
Surface-coated oriented liquid at described transfer roll;
Described surface-coated has the transfer roll of oriented liquid to contact transfer printing with described print roller, makes the adsorption oriented liquid of described print roller.
Preferably, for the ease of implementing, in the said method providing in the embodiment of the present invention, before the printing net-point pattern to corresponding with each display panel areas in being coated on the piezoelectricity variable layer on print roller surface regulates, also comprise:
According to the position of each display panel areas in described oriented liquid substrate to be transferred, control described piezoelectricity variable layer and produce the printing net-point pattern corresponding with described each display panel areas.
Preferably, for the ease of implementing, in the said method providing in the embodiment of the present invention, in described oriented liquid being transferred to described oriented liquid substrate to be transferred, after each display panel areas, also comprise:
Described piezoelectricity variable layer is regulated, eliminate the printing net-point pattern corresponding with described each display panel areas.
A kind of oriented liquid transfer device providing in the embodiment of the present invention, comprising: be coated with pressure perception film transfer roll, be coated with the print roller of piezoelectricity variable layer and for carrying the microscope carrier of oriented liquid substrate to be transferred; Wherein,
When described transfer roll and oriented liquid substrate contacts transfer printing to be transferred, described pressure perception film is for obtaining the surface smoothness information of described each display panel areas of oriented liquid substrate to be transferred;
When adsorption has the print roller of oriented liquid and described oriented liquid substrate contacts transfer printing to be transferred, described piezoelectricity variable layer have with described oriented liquid substrate to be transferred in the printing net-point pattern that matches of the surface smoothness information of each display panel areas.
The above-mentioned transfer device that the embodiment of the present invention provides, comprises the transfer roll that is coated with pressure perception film, is coated with the print roller of piezoelectricity variable layer, and for carrying the microscope carrier of oriented liquid substrate to be transferred; Because pressure perception film can obtain the surface smoothness information of each display panel areas in oriented liquid substrate to be transferred, piezoelectricity variable layer can have with oriented liquid substrate to be transferred in the printing net-point pattern that matches of the surface smoothness information of each display panel areas, therefore print roller to oriented liquid substrate to be transferred in each display panel areas while carrying out oriented liquid transfer printing, the compressive load per unit area homogeneous that in oriented liquid substrate to be transferred, each display panel areas is born can be made, thereby transfer quality can be improved.
Preferably, in order to get the surface smoothness information of each display panel areas in described oriented liquid substrate to be transferred, in the above-mentioned transfer device providing in the embodiment of the present invention, the first electrode and the second electrode that described pressure perception film is arranged by orthogonal thereto direction, and the middle dielectric layer between described the first electrode and described the second electrode forms; Wherein,
At described the first electrode and described the second overlapping place of electrode, form capacitive transducer.
Preferably, in order to get more accurately the surface smoothness information of each display panel areas in described oriented liquid substrate to be transferred, in the above-mentioned transfer device providing in the embodiment of the present invention, described middle dielectric layer has in the region corresponding with capacitive transducer described in each structure that is rectangular pyramid shape.
Preferably, for the ease of implementing, in the above-mentioned transfer device providing in the embodiment of the present invention, described piezoelectricity variable layer is by piezoelectric ceramics deformation layer, and the electrode structure composition of controlling described piezoelectric ceramics deformation layer generation deformation.
Accompanying drawing explanation
Fig. 1 is the equipment work schematic diagram of existing substrate P I liquid transfer process;
The schematic flow sheet of the printing transferring method that Fig. 2 provides for the embodiment of the present invention;
The structural representation of the transfer device that Fig. 3 provides for the embodiment of the present invention;
The structural representation of the piezoelectricity perception film that Fig. 4 provides for the embodiment of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the printing transferring method of the oriented liquid that the embodiment of the present invention is provided and the embodiment of transfer device are described in detail.
The method of a kind of oriented liquid transfer printing that the embodiment of the present invention provides, as shown in Figure 2, specifically comprises the following steps:
S101, the transfer roll that is coated with pressure perception film and oriented liquid substrate contacts to be transferred transfer printing, pressure perception film obtains the surface smoothness information of each display panel areas in oriented liquid substrate to be transferred;
The surface smoothness information of each display panel areas in S102, the basis oriented liquid substrate to be transferred getting, to being coated on printing net-point pattern corresponding with each display panel areas in the piezoelectricity variable layer on print roller surface, regulate, make the deformation that in printing net-point pattern generating that piezoelectricity variable layer has and oriented liquid substrate to be transferred, each display panel areas matches;
After in the deformation of S103, the printing net-point pattern generating that has at piezoelectricity variable layer and oriented liquid substrate to be transferred, each display panel areas matches, at the adsorption oriented liquid of print roller;
S104, control surface absorption have print roller and the oriented liquid substrate contacts to be transferred transfer printing of oriented liquid, and oriented liquid is transferred to each display panel areas in oriented liquid substrate to be transferred.
It should be noted that, oriented liquid substrate to be transferred refers to array base palte or the subtend substrate that will form alignment films while preparing display panels.
The method of the above-mentioned oriented liquid transfer printing that the embodiment of the present invention provides, owing to being coated on the pressure perception film of transfer roll and can obtaining the surface smoothness information of each display panel areas in oriented liquid substrate to be transferred, and according to the surface smoothness information getting, to being coated on printing net-point pattern corresponding with each display panel areas in the piezoelectricity variable layer on print roller surface, regulate, make the deformation that in printing net-point pattern generating that piezoelectricity variable layer has and oriented liquid substrate to be transferred, each display panel areas matches, make print roller when each display panel areas is carried out oriented liquid transfer printing in oriented liquid substrate to be transferred, the compressive load per unit area homogeneous that in oriented liquid substrate to be transferred, each display panel areas is born, thereby raising transfer quality.
It should be noted that, in the said method providing in the embodiment of the present invention, mating in deformation that printing net-point pattern generating that piezoelectricity variable layer has matches with each display panel areas in oriented liquid substrate to be transferred, is referred to: while thering is protruding deformation in the display panel areas in oriented liquid substrate to be transferred, the deformation that the printing net-point pattern that piezoelectricity variable layer has produces depression in position corresponding to the raised position with oriented liquid substrate to be transferred; Otherwise while having the deformation of depression in the display panel areas in oriented liquid substrate to be transferred, the printing net-point pattern that piezoelectricity variable layer has produces protruding deformation in position corresponding to the recessed position with oriented liquid substrate to be transferred.
Preferably, for the ease of implementing, in the said method providing in the embodiment of the present invention, pressure perception film can be the first electrode and the second electrode of being arranged by orthogonal thereto direction, and the middle dielectric layer between the first electrode and the second electrode forms; Wherein, at the first electrode and the overlapping place of the second electrode, form capacitive transducer.
Particularly, in the said method providing in the embodiment of the present invention, the surface smoothness information that step S101 pressure perception film obtains each display panel areas in oriented liquid substrate to be transferred, can realize by following steps:
The pressure that each capacitive transducer produces with oriented liquid substrate to be transferred pressure perception film when contacting transfer printing is converted to the variation of capacitance, and exports in the faradic mode of piezoelectricity;
According to the voltage inductance induced current size of each capacitive transducer output in pressure perception film, and the position of each capacitive transducer in pressure perception film, determine the surface smoothness information of each display panel areas in oriented liquid substrate to be transferred.
Particularly, in the said method providing in the embodiment of the present invention, when the pressure perception film of said structure with oriented liquid substrate to be transferred when contacting transfer printing, if the surface smoothness of each display panel areas is inhomogenous in oriented liquid substrate to be transferred, it is also inhomogenous can causing the pressure between pressure perception film and oriented liquid substrate to be transferred, thereby cause in each capacitive transducer, distance between the first electrode and the second electrode is inconsistent, the capacitance of each capacitive transducer is changed, it is unequal finally causing the faradic size of piezoelectricity of exporting from each capacitive transducer, thereby get the surface smoothness information of each display panel areas in oriented liquid substrate to be transferred.
Further, in the said method providing in the embodiment of the present invention, due to the pressure perception film of said structure have good dynamically and static sensor performance, therefore, no matter pressure perception film is contact moment or continue stressed extruding with oriented liquid substrate to be transferred, can obtain good tactile data, thereby the surface smoothness accuracy of information of the oriented liquid substrate to be transferred that assurance gets is higher.
Certainly, in the specific implementation, also can obtain in other way the surface smoothness information of each display panel areas in oriented liquid substrate to be transferred, for example, by flexible thin layer detecting sensor, pressure sensitive rubber or the electric current just mode such as fluid detecting sensor obtain surface smoothness information, at this, do not limit.
Preferably, in the said method providing in the embodiment of the present invention, piezoelectricity variable layer can be by piezoelectric ceramics deformation layer, and the electrode structure of controlling piezoelectric ceramics deformation layer generation deformation forms.Certainly, in the specific implementation, piezoelectricity variable layer can be also other structures that can realize the present invention program, at this, does not limit.
Preferably, in the said method providing in the embodiment of the present invention, step S102 regulates being coated on printing net-point pattern corresponding with each display panel areas in the piezoelectricity variable layer on print roller surface, specifically can realize by following steps:
According to the surface smoothness information of each display panel areas, determine the magnitude of voltage of the required deformation of piezoelectric ceramics deformation layer;
To the electrode structure of controlling piezoelectric ceramics deformation layer generation deformation, apply the magnitude of voltage of determining.
Particularly, in the said method providing in the embodiment of the present invention, according to the surface smoothness information of each display panel areas, determine the magnitude of voltage of the required deformation of piezoelectric ceramics deformation layer; Then to the electrode structure of controlling piezoelectric ceramics deformation layer generation deformation, applying the magnitude of voltage of determining, can be specifically to realize by control circuit mode, and concrete performing step is as follows:
Control circuit is according to the voltage inductance induced current size of each capacitive transducer output in pressure perception film, and the position of each capacitive transducer in pressure perception film, determines the surface smoothness information of each display panel areas in oriented liquid substrate to be transferred;
Then control circuit, according to the surface smoothness information of each display panel areas, is determined the magnitude of voltage of the required deformation of piezoelectric ceramics deformation layer;
Last control circuit applies to the electrode structure of controlling piezoelectric ceramics deformation layer generation deformation the magnitude of voltage of determining.
Particularly, in the specific implementation, control circuit can be in transfer device one independently control device, and certainly, control circuit also can be arranged on the intelligent chip on transfer roll.
Preferably, in the said method providing in the embodiment of the present invention, step S103, at the adsorption oriented liquid of print roller, specifically comprises:
Surface-coated oriented liquid at transfer roll;
Surface-coated has the transfer roll of oriented liquid to contact transfer printing with print roller, makes the adsorption oriented liquid of print roller.
Particularly, in the said method providing in the embodiment of the present invention, can adopt point gum machine to drip oriented liquid on the surface of transfer roll, then utilize scraper or spreading roller that the oriented liquid coating dripping on transfer roll surface is even, certainly, can, by other means at the surface-coated oriented liquid of transfer roll, at this, not limit yet.
Further, in the said method providing in the embodiment of the present invention, when execution step S101 is coated with the transfer roll of pressure perception film and oriented liquid substrate contacts transfer printing to be transferred, above-mentioned point gum machine is separated with transfer roll with scraper (or spreading roller), before adsorption oriented liquid at execution step S103 in print roller, above-mentioned point gum machine and scraper (or spreading roller) are near transfer roll, to be evenly coated with oriented liquid on transfer roll.
Preferably, in the said method providing in the embodiment of the present invention, before step S102 regulates printing net-point pattern corresponding with each display panel areas in being coated on the piezoelectricity variable layer on print roller surface, also comprise:
According to the position of each display panel areas in oriented liquid substrate to be transferred, control piezoelectricity variable layer and produce the printing net-point pattern corresponding with each display panel areas.
Further, in the said method providing in the embodiment of the present invention, in the printing net-point pattern corresponding with each display panel areas producing at piezoelectricity variable layer, the density of site is higher, the oriented liquid being transferred in print roller by transfer roll is more even, meanwhile, the oriented liquid being transferred on oriented liquid substrate to be transferred by print roller is also more even.
Preferably, in the said method providing in the embodiment of the present invention, at step S104, oriented liquid is transferred in oriented liquid substrate to be transferred after each display panel areas, also comprises:
Piezoelectricity variable layer is regulated, eliminate the printing net-point pattern corresponding with each display panel areas, use while other oriented liquid substrates to be transferred being carried out to transfer printing so that next.
Particularly, in the said method providing in the embodiment of the present invention, according to the position of each display panel areas in oriented liquid substrate to be transferred, control piezoelectricity variable layer and produce or eliminate the printing net-point pattern corresponding with each display panel areas, be mainly by piezoelectricity variable layer is set to different parameters, can make its mode that produces different printing net-point patterns realize.Like this, can make transfer device be applicable to the oriented liquid substrate to be transferred of Multiple Type, oriented liquid substrate to be transferred for different model, directly by piezoelectricity variable layer being set to different parameters, just can realize the dissimilar printing net-point pattern of generation, compare with the oriented liquid substrate to be transferred that transfer printing board in prior art can only a kind of model of transfer printing, in the time need to carrying out transfer printing to the oriented liquid substrate to be transferred of different model, the transfer printing board that does not need to change in print roller is piezoelectricity variable layer, thereby can save the needed time of transfer printing board of changing; And, can also avoid the problems such as scuffing to transfer printing board that may cause owing to changing transfer printing board.
Further, in the said method providing in the embodiment of the present invention, in step S101 pressure perception film obtains oriented liquid substrate to be transferred after the surface smoothness information of each display panel areas, and before the absorption of S104 control surface has the print roller and oriented liquid substrate contacts to be transferred transfer printing of oriented liquid, when learning according to surface smoothness information, on substrate, there is chip, during the foreign matters such as granule, can also adopt cleaning device before oriented liquid base plate coating oriented liquid to be transferred, it to be cleared up, thereby can avoid because the foreign matter on this oriented liquid substrate to be transferred causes scratch print roller surface or this oriented liquid substrate to be transferred of scratch self.
Based on same inventive concept, the embodiment of the present invention also provides a kind of oriented liquid transfer device, as shown in Figure 3, comprising: be coated with pressure perception film 110 transfer roll 100, be coated with the print roller 200 of piezoelectricity variable layer 210 and for carrying the microscope carrier 300 of oriented liquid substrate 310 to be transferred; Wherein,
When transfer roll 100 contacts transfer printing with oriented liquid substrate 310 to be transferred, pressure perception film 110 is for obtaining the surface smoothness information of oriented liquid substrate 310 each display panel areas to be transferred;
When adsorption has the print roller 200 of oriented liquid to contact transfer printing with oriented liquid substrate 310 to be transferred, piezoelectricity variable layer 210 have with oriented liquid substrate 310 to be transferred in the printing net-point pattern that matches of the surface smoothness information of each display panel areas.
The above-mentioned transfer device that the embodiment of the present invention provides, comprises the transfer roll that is coated with pressure perception film, is coated with the print roller of piezoelectricity variable layer, and for carrying the microscope carrier of oriented liquid substrate to be transferred; Because pressure perception film can obtain the surface smoothness information of each display panel areas in oriented liquid substrate to be transferred, piezoelectricity variable layer can have with oriented liquid substrate to be transferred in the printing net-point pattern that matches of the surface smoothness information of each display panel areas, therefore print roller to oriented liquid substrate to be transferred in each display panel areas while carrying out oriented liquid transfer printing, the compressive load per unit area homogeneous that in oriented liquid substrate to be transferred, each display panel areas is born can be made, thereby transfer quality can be improved.
Preferably, in the above-mentioned transfer device providing in the embodiment of the present invention, as shown in Figure 4, the first electrode 111 that pressure perception film 110 is arranged by orthogonal thereto direction and the second electrode 112, and the middle dielectric layer between the first electrode 111 and the second electrode 112 forms (structure of not shown intermediate dielectric layer in Fig. 4); Wherein,
At the first electrode 111 and the overlapping place of the second electrode 112, form capacitive transducer 113.
Like this, when transfer roll and oriented liquid substrate contacts transfer printing to be transferred, between pressure perception film and oriented liquid substrate to be transferred, can produce pressure, if the air spots of oriented liquid substrate to be transferred is smooth, the pressure heterogeneity that produces between pressure perception film and oriented liquid substrate to be transferred, thereby cause in each capacitive transducer, distance between the first electrode and the second electrode is inconsistent, the capacitance of each capacitive transducer is changed, it is unequal finally causing the faradic size of piezoelectricity of exporting from each capacitive transducer, thereby get the surface smoothness information of each display panel areas in oriented liquid substrate to be transferred.
Preferably, in the above-mentioned transfer device providing in the embodiment of the present invention, middle dielectric layer can have in the region corresponding with capacitive transducer 113 structure that is rectangular pyramid shape, thereby can increase the touch sensitivity of each capacitive transducer, the accuracy of the surface smoothness information of each display panel areas in the oriented liquid substrate to be transferred getting with raising pressure perception film, certainly, in the specific implementation, middle dielectric layer also can have other structures in the region corresponding with capacitive transducer, at this, does not limit.
Particularly, in the specific implementation, in the above-mentioned transfer device providing in the embodiment of the present invention, pressure perception film can be also flexible thin layer perception sensing layer, and pressure sensitive rubber sensing layer etc., do not limit at this.
Preferably, in the above-mentioned transfer device providing in the embodiment of the present invention, piezoelectricity variable layer is by piezoelectric ceramics deformation layer, and the electrode structure composition of controlling piezoelectric ceramics deformation layer generation deformation.
Particularly, in the above-mentioned transfer device providing in the embodiment of the present invention, after the material of piezoelectric ceramics deformation layer refers to that the raw material with necessary composition mixes, then the polycrystal being formed by fine-grain irregular collective obtaining by techniques such as granulation, moulding, high temperature sinterings, as compounds such as barium titanate series, lead zirconate titanate binary systems.Under the effect of external force or impressed voltage, can there is deformation in this piezoelectric ceramics deformation layer.
Particularly, in the above-mentioned transfer device providing in the embodiment of the present invention, as shown in Figure 3, also comprise the point gum machine 400 that is built-in with oriented liquid, and for the oriented liquid that drips to transfer roll 100 surfaces is coated with to uniform spreading roller 500 or scraper.
Further, in order to improve the perception to the flatness of oriented liquid substrate to be transferred, in the above-mentioned transfer device providing in the embodiment of the present invention, on the surface of transfer roll, also there is the nano-rubber adsorption film of coated pressure perception film.
Further, in the above-mentioned transfer device providing in the embodiment of the present invention, on the surface of print roller, also there is the nano-rubber adsorption film of coated piezoelectricity variable layer, so that piezoelectricity variable layer is shielded.
Further, in the above-mentioned transfer device providing in the embodiment of the present invention, also include cleaning device, after piezoelectricity perception film gets the surface smoothness information of each display panel areas in oriented liquid substrate to be transferred, according to surface smoothness information, learn, while having the foreign matters such as chip, granule on substrate, have the print roller and oriented liquid substrate contacts to be transferred transfer printing of oriented liquid at adsorption before, cleaning device carries out cleaning to this oriented liquid substrate to be transferred.The foreign matters such as the chip on oriented liquid substrate to be transferred, granule can be cleaned out in time like this, thereby can avoid because the foreign matter on this oriented liquid substrate to be transferred causes scratch print roller surface or this oriented liquid substrate to be transferred of scratch self.
Particularly, in the above-mentioned transfer device providing in the embodiment of the present invention, this cleaning device can be vaccum suction pipe, when learning according to surface smoothness information, while having the foreign matters such as chip, granule on substrate, open vaccum suction pipe, make to be adsorbed in the foreign matters such as chip on this oriented liquid substrate to be transferred, granule and be eliminated in time.
Method and the transfer device of a kind of oriented liquid transfer printing that the embodiment of the present invention provides, in this printing transferring method, owing to being coated on the pressure perception film of transfer roll and can obtaining the surface smoothness information of each display panel areas in oriented liquid substrate to be transferred, and according to the surface smoothness information getting, to being coated on printing net-point pattern corresponding with each display panel areas in the piezoelectricity variable layer on print roller surface, regulate, make the deformation that in printing net-point pattern generating that piezoelectricity variable layer has and oriented liquid substrate to be transferred, each display panel areas matches, make print roller when each display panel areas is carried out oriented liquid transfer printing in oriented liquid substrate to be transferred, the compressive load per unit area homogeneous that in oriented liquid substrate to be transferred, each display panel areas is born, thereby raising transfer quality.
Obviously, those skilled in the art can carry out various changes and modification and not depart from the spirit and scope of the present invention the present invention.Like this, if within of the present invention these are revised and modification belongs to the scope of the claims in the present invention and equivalent technologies thereof, the present invention is also intended to comprise these changes and modification interior.
Claims (10)
1. a method for oriented liquid transfer printing, is characterized in that, comprising:
Be coated with transfer roll and the oriented liquid substrate contacts to be transferred transfer printing of pressure perception film, described pressure perception film obtains the surface smoothness information of each display panel areas in described oriented liquid substrate to be transferred;
According to the surface smoothness information of each display panel areas in the oriented liquid substrate described to be transferred getting, to being coated on printing net-point pattern corresponding with each display panel areas in the piezoelectricity variable layer on print roller surface, regulate, make the deformation that in printing net-point pattern generating that described piezoelectricity variable layer has and described oriented liquid substrate to be transferred, each display panel areas matches;
After in the deformation of the printing net-point pattern generating having at described piezoelectricity variable layer and described oriented liquid substrate to be transferred, each display panel areas matches, at the adsorption oriented liquid of described print roller;
Control surface absorption has print roller and the transfer printing of described oriented liquid substrate contacts to be transferred of oriented liquid, and described oriented liquid is transferred to each display panel areas in described oriented liquid substrate to be transferred.
2. the method for claim 1, is characterized in that, the first electrode and the second electrode that described pressure perception film is arranged by orthogonal thereto direction, and the middle dielectric layer between described the first electrode and described the second electrode forms; Wherein, at described the first electrode and described the second overlapping place of electrode, form capacitive transducer;
Described pressure perception film obtains the surface smoothness information of each display panel areas in described oriented liquid substrate to be transferred, specifically comprises:
The pressure that described in each, capacitive transducer produces with described oriented liquid substrate to be transferred described pressure perception film when contacting transfer printing is converted to the variation of capacitance, and exports in the faradic mode of piezoelectricity;
According to the voltage inductance induced current size of each capacitive transducer output in described pressure perception film, and the position of described each capacitive transducer in pressure perception film, determine the surface smoothness information of each display panel areas in described oriented liquid substrate to be transferred.
3. the method for claim 1, is characterized in that, described piezoelectricity variable layer is by piezoelectric ceramics deformation layer, and the electrode structure composition of controlling described piezoelectric ceramics deformation layer generation deformation;
Describedly to being coated on printing net-point pattern corresponding with each display panel areas in the piezoelectricity variable layer on print roller surface, regulate, specifically comprise:
According to the surface smoothness information of described each display panel areas, determine the magnitude of voltage of the required deformation of described piezoelectric ceramics deformation layer;
The magnitude of voltage of determining described in applying to the electrode structure of controlling piezoelectric ceramics deformation layer generation deformation.
4. the method for claim 1, is characterized in that, the described adsorption oriented liquid in described print roller, specifically comprises:
Surface-coated oriented liquid at described transfer roll;
Described surface-coated has the transfer roll of oriented liquid to contact transfer printing with described print roller, makes the adsorption oriented liquid of described print roller.
5. the method as described in claim 1-4 any one, is characterized in that, before the printing net-point pattern to corresponding with each display panel areas in being coated on the piezoelectricity variable layer on print roller surface regulates, also comprises:
According to the position of each display panel areas in described oriented liquid substrate to be transferred, control described piezoelectricity variable layer and produce the printing net-point pattern corresponding with described each display panel areas.
6. the method as described in claim 1-4 any one, is characterized in that, in described oriented liquid being transferred to described oriented liquid substrate to be transferred, after each display panel areas, also comprises:
Described piezoelectricity variable layer is regulated, eliminate the printing net-point pattern corresponding with described each display panel areas.
7. an oriented liquid transfer device, is characterized in that, comprising: be coated with pressure perception film transfer roll, be coated with the print roller of piezoelectricity variable layer and for carrying the microscope carrier of oriented liquid substrate to be transferred; Wherein,
When described transfer roll and oriented liquid substrate contacts transfer printing to be transferred, described pressure perception film is for obtaining the surface smoothness information of described each display panel areas of oriented liquid substrate to be transferred;
When adsorption has the print roller of oriented liquid and described oriented liquid substrate contacts transfer printing to be transferred, described piezoelectricity variable layer have with described oriented liquid substrate to be transferred in the printing net-point pattern that matches of the surface smoothness information of each display panel areas.
8. transfer device as claimed in claim 7, is characterized in that, the first electrode and the second electrode that described pressure perception film is arranged by orthogonal thereto direction, and the middle dielectric layer between described the first electrode and described the second electrode forms; Wherein,
At described the first electrode and described the second overlapping place of electrode, form capacitive transducer.
9. transfer device as claimed in claim 8, is characterized in that, described middle dielectric layer has in the region corresponding with capacitive transducer described in each structure that is rectangular pyramid shape.
10. the transfer device as described in claim 7-9 any one, is characterized in that, described piezoelectricity variable layer is by piezoelectric ceramics deformation layer, and the electrode structure composition of controlling described piezoelectric ceramics deformation layer generation deformation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310703987.9A CN103698941B (en) | 2013-12-19 | 2013-12-19 | A kind of method of oriented liquid transfer printing and transfer device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310703987.9A CN103698941B (en) | 2013-12-19 | 2013-12-19 | A kind of method of oriented liquid transfer printing and transfer device |
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| Publication Number | Publication Date |
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| CN103698941A true CN103698941A (en) | 2014-04-02 |
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| CN104760395A (en) * | 2015-05-06 | 2015-07-08 | 合肥京东方光电科技有限公司 | Film pressing device and film pressing method |
| CN105700249A (en) * | 2016-04-29 | 2016-06-22 | 京东方科技集团股份有限公司 | Device and method for manufacturing alignment plate |
| WO2016155156A1 (en) * | 2015-04-03 | 2016-10-06 | 京东方科技集团股份有限公司 | Rubbing roller and method of use thereof |
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