CN107364233A - Printing head component, printing device and Method of printing - Google Patents
Printing head component, printing device and Method of printing Download PDFInfo
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- CN107364233A CN107364233A CN201710642320.0A CN201710642320A CN107364233A CN 107364233 A CN107364233 A CN 107364233A CN 201710642320 A CN201710642320 A CN 201710642320A CN 107364233 A CN107364233 A CN 107364233A
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- printing
- solvent
- nozzle
- head component
- print zone
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/17—Ink jet characterised by ink handling
- B41J2/175—Ink supply systems ; Circuit parts therefor
- B41J2/17503—Ink cartridges
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/0041—Digital printing on surfaces other than ordinary paper
- B41M5/0047—Digital printing on surfaces other than ordinary paper by ink-jet printing
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- Ink Jet (AREA)
- Coating Apparatus (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Electroluminescent Light Sources (AREA)
Abstract
The invention discloses a kind of printing head component, printing device and Method of printing, printing head component includes：Body, first jet and second nozzle, first jet and second nozzle are located on the bottom wall of body, second nozzle is arranged side by side in a first direction with first jet, first jet is configured in viewing area inkjet printing solution, solution is dissolved in the first solvent by the material for forming film and is made, second nozzle is configured in second the second solvent of print zone inkjet printing, wherein, first direction is the direction vertical with Print direction.Printing head component according to embodiments of the present invention, it can directly be printed using printing head component in the viewing area of substrate, and the solvent strength above the border of viewing area can be effectively improved, so that the concentration of top solvent and the concentration comparable of viewing area border top solvent in the middle part of viewing area, and then it can prevent solution to moving on the outside of viewing area, improving the uniformity of film forming during the drying.
Description
Technical field
The present invention relates to printing device technical field, more particularly, to a kind of printing head component, printing device and printing
Method.
Background technology
OLED display device has the advantages that self-luminous relative to liquid crystal display device, reacts fast, high brightness, high chroma,
It is considered as Display Technique of future generation and greatly develops.The agent structure of OLED display device is oled substrate, wherein passing through picture
Element defines layer and limits pixel cell.Preparing the manufacturing process of pixel cell at present mainly has evaporation processing procedure and solution process, at present
Processing procedure comparative maturity is deposited, solution process includes inkjet printing, spin coating and silk-screen printing etc. again.Wherein, inkjet printing skill
Art is because stock utilization is higher, it is in large size to realize, it is considered to be large scale OLED display device realizes the weight of volume production
Want mode.
Current inkjet printing methods are that will then be printed upon to limit area in material dissolution solvent, then by the way that solvent is evaporated
Fall, form material film.It is denseer in the atmosphere volatilized closer to the place at display base plate center, closer to saturated mode, its
Following solution is not easy to do.Closer to fringe region, atmosphere above is thinner, and solvent is more readily volatilized.Because periphery is done
Dry is fast, and solution can be displaced outwardly during drying, easily causes after drying that film forming is uneven in pixel cell.
The content of the invention
It is contemplated that at least solves one of technical problem present in prior art.Therefore, the present invention proposes that one kind is beaten
Nozzle component is printed, the printing head component can improve into film uniformity and can improve the utilization rate of substrate.
It is another object of the present invention to propose a kind of printing device with above-mentioned printing head component.
Another object of the present invention is to propose a kind of Method of printing.
The printing head component of embodiment according to a first aspect of the present invention, for the viewing area printing thin film in substrate,
The viewing area includes the first print zone and the second print zone, and second print zone is looped around the outer of first print zone
Week, the outward flange of second print area extend to the coincident with the viewing area, the printing head component bag
Include：Body；First jet and second nozzle, the first jet and the second nozzle are located on the bottom wall of the body, institute
State second nozzle to be arranged side by side in a first direction with the first jet, the first jet is configured in the viewing area
Domain inkjet printing solution, the solution are dissolved in the first solvent by the material for forming the film and are made, the second nozzle
It is configured in second print zone the second solvent of inkjet printing, wherein, the first direction is vertical with Print direction
Direction.
Printing head component according to embodiments of the present invention, by setting first jet and second nozzle, and cause second
Nozzle is arranged side by side in a first direction with first jet, can directly be entered using printing head component in the viewing area of substrate
Row printing, and the solvent strength above the border of viewing area can be effectively improved so that top solvent is dense in the middle part of viewing area
The concentration comparable of degree and solvent above the border of viewing area, and then can prevent solution during drying to outside viewing area
Side is moved, and improves the uniformity of film forming.Meanwhile compared with the prior art in printing head component, without being opened in viewing area
If groove, or solvent print area is reserved in viewing area periphery, printing process is on the one hand simplified, is on the other hand improved
The utilization rate of substrate, is advantageously implemented the exploitation of narrow frame design and high pixel, and another further aspect can avoid solvent on substrate
Infringement caused by the miscellaneous parts such as lead, improve the reliability of substrate.
According to some embodiments of the present invention, the second nozzle is two, and the first jet is positioned at two described the
Between two nozzles.Thus, in print procedure, printing head component is after second direction prints, without returning to initial bit
Put, after directly moving preset distance in a first direction, you can continue to print in the unprinted region in viewing area, effectively
Printing effect is improved, saves the time-write interval, and enables to printing head component to adapt to different page orders and printing
Mode.
According to some specific embodiments of the present invention, the second nozzle is atomizer, and the second nozzle is constructed
Particle is atomized into by second solvent.Thus, in print procedure, printing head component finishes in second direction printing
Afterwards, without returning to initial position, after directly moving preset distance in a first direction, you can in the unprinted region in viewing area
Inside continue to print, be effectively improved printing effect, save the time-write interval, and it is different to enable to printing head component to adapt to
Page order and printing type.
Alternatively, the diameter d of the particle meets：0.5μm≤d≤10μm.Thus, it is possible to so that the second solvent it is more preferable,
The second print zone deposition is quickly covered in, the second solvent is covered in the surface of the second print zone.
Further, the printing head component also includes：Gases at high pressure export, and the gases at high pressure outlet is located at described
The side of the remote first jet of second nozzle.Thus, it is possible to limit the drippage scope of the second solvent particles, make second molten
Agent particle is dropped in the lower section of atomizer, efficiently avoid the second solvent and arbitrarily spreads, thereby may be ensured that the second solvent
Particle can be dropped in the second print zone, efficiently controlled sedimentary boundaries.
Further, the printing head component also includes：At least one vacuum suction mouth, the vacuum suction mouth are set
Between the first jet and the second nozzle, the vacuum suction mouth is caused the suction printing head component and institute
The gas between substrate is stated to balance the pressure between the printing head component and the substrate.
According to some specific embodiments of the present invention, the printing head component also includes：First positioning mechanism, described
One positioning mechanism is configured to above printing head component contraposition to first print zone；With the second positioning mechanism,
Second positioning mechanism is configured to above printing head component contraposition to second print zone.
The printing device of embodiment according to a second aspect of the present invention, it is described for the viewing area printing thin film in substrate
Viewing area includes the first print zone and the second print zone, and second print zone is looped around the periphery of first print zone,
The outward flange of second print area extends to the coincident with the viewing area, including：According to the present invention above-mentioned the
The described printing head component of one side embodiment；Solution storage tank, the solution storage tank by the first pipeline with it is described
First jet connection is with to first jet offer solution；Solvent storage tank, the solvent storage tank by the second pipeline with
The second nozzle connection is with to second nozzle offer solvent.
According to some embodiments of the present invention, second pipeline is provided with flowmeter, and the flowmeter is configured to control
Make the volume of the solvent into the second nozzle.
The printing device of embodiment according to a second aspect of the present invention, implemented by setting according to the above-mentioned first aspect of the present invention
The printing head component of example, by setting the printing head component according to the above-mentioned first aspect embodiment of the present invention, when solvent enters
During row evaporation, the concentration of the solvent volatilization above the border of viewing area can be improved for a long time, it is ensured that viewing area when solution evaporates
Concentration comparable in the middle part of the concentration of domain boundary and viewing area, so that solution will not move laterally during drying,
Improve the uniformity and quality of forming film of film forming.
The Method of printing of the printing device of embodiment according to a third aspect of the present invention, for being printed in the viewing area of substrate
Film, the viewing area include the first print zone and the second print zone, and second print zone is looped around first printing
The periphery in area, the outward flange of second print area extend to the coincident with the viewing area, the printing device
For the printing device according to the above-mentioned second aspect embodiment of the present invention, the Method of printing comprises the following steps：
Printing nozzle component is aligned；
During by printing head component contraposition to above first print zone, the first jet is controlled described the
One print zone inkjet printing solution；
During by printing head component contraposition to above second print zone, the first jet is controlled described the
Two print zone inkjet printing solution, the second nozzle is then controlled in second print zone the second solvent of inkjet printing；
Evaporate solvent.
The Method of printing of embodiment according to a third aspect of the present invention, printing head component can be used directly in the aobvious of substrate
Show that region is printed, and the solvent strength above the border of viewing area can be effectively improved so that in the middle part of viewing area top
The concentration of solvent and the concentration comparable of solvent above the border of viewing area, and then can prevent solution during drying to aobvious
Show that areas outside moves, improve the uniformity of film forming.
The additional aspect and advantage of the present invention will be set forth in part in the description, and will partly become from the following description
Obtain substantially, or recognized by the practice of the present invention.
Brief description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention will become in the description from combination accompanying drawings below to embodiment
Substantially and it is readily appreciated that, wherein：
Fig. 1 is the stereogram of printing head component according to embodiments of the present invention；
Fig. 2 is the upward view of printing head component according to embodiments of the present invention；
Fig. 3 is the partial bottom view of printing head component according to embodiments of the present invention；
Fig. 4 is the schematic diagram of substrate according to embodiments of the present invention；
Fig. 5 is first jet according to embodiments of the present invention, the schematic diagram of second nozzle print area；
Fig. 6 is the schematic diagram of printing device according to embodiments of the present invention；
Fig. 7 is the printing flow chart of the Method of printing of printing device according to embodiments of the present invention.
Reference：
Printing head component 100,
Body 1,
First jet 2, the first sub- nozzle 21,
Second nozzle 3,
Gases at high pressure outlet 4, vacuum suction mouth 5,
Substrate 101, viewing area AA, the first print zone BB, the second print zone CC,
Printing device 200,
Solution storage tank 201, the first pipeline 202, solvent storage tank 203, the second pipeline 204, flowmeter 205.
Embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
The embodiment of figure description is exemplary, is only used for explaining the present invention, and is not considered as limiting the invention.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
The orientation of instruction such as " thickness ", " on ", " under ", "front", "rear", "left", "right", " top ", " bottom " " interior ", " outer ", " circumference " or
Position relationship is based on orientation shown in the drawings or position relationship, is for only for ease of the description present invention and simplifies description, without
It is instruction or implies that signified device or element there must be specific orientation, with specific azimuth configuration and operation, therefore not
It is understood that as limitation of the present invention.In addition, define " first ", the feature of " second " can express or implicitly include one
Individual or more this feature.In the description of the invention, unless otherwise indicated, " multiple " be meant that two or two with
On.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood at this
Concrete meaning in invention.
Printing head component 100 according to embodiments of the present invention is described below with reference to Fig. 1-Fig. 7.Wherein, printing head group
Part 100 is used for the viewing area AA printing thin films in substrate 101.Specifically, the viewing area AA of substrate 101 includes the first printing
Area BB and the second print zone CC, the second print zone CC are looped around the first print zone BB periphery, the outside in the second print zone CC domains
Edge extends to the coincident with viewing area AA.Reference picture 4, the viewing area AA of substrate 101 can be formed generally as rectangular
Shape shape, the first print zone BB are located at viewing area AA middle part, and the second print zone CC is located at the first print zone BB outside.
First print zone BB and the second print zone CC together constitutes the viewing area AA of substrate 101.
Printing head component 100 according to embodiments of the present invention includes：Body 1, first jet 2 and second nozzle 3.
Specifically, first jet 2 and second nozzle 3 are located on the bottom wall of body 1, and second nozzle 3 exists with first jet 2
It is arranged side by side on first direction, first jet 2 is configured in viewing area AA inkjet printing solution, and solution is by forming film
Material is dissolved in the first solvent and is made, and second nozzle 3 is configured in second print zone the second solvent of CC inkjet printings, its
In, first direction is the direction vertical with Print direction.
Here, it is necessary to illustrate, " Print direction " in the application refers to the page order of printing head component 100
Direction, similar to the presentation direction in writing process.For example, during printing, first along the length direction of substrate 101 (for example, in Fig. 6
Fore-and-aft direction) printed, then move printing head component 100 or substrate 101 to certain along the width of substrate 101
Pre-determined distance, printing head component 100 is set to continue to be printed on the length direction of the non-print area of substrate 101, now
The Print direction of printing head component 100 is the length direction of substrate 101, and first direction is the width (example of substrate 101
Such as, the left and right directions in Fig. 6).Correspondingly, during printing, first printed along the width of substrate 101, then along substrate 101
Length direction movement printing head component 100 or substrate 101 to certain predetermined distance, continue printing head component 100
Printed on the width of the non-print area of substrate 101, now the Print direction of printing head component 100 is substrate
101 width, first direction are the length direction of substrate 101.It is, of course, understood that Print direction can also be
Direction parallel with the diagonal of substrate 101 etc..
In order to facilitate description, in the description below the present invention, using Print direction as substrate 101 length direction, first
Direction for substrate 101 width exemplified by illustrate.Meanwhile describe for convenience, " Print direction " is referred to as " second party
To ".
For example, referring to Fig. 1, first jet 2 and second nozzle 3 are arranged side by side on the length direction of substrate 101.Second spray
Mouth 3 can be located at the wherein side of the width (for example, fore-and-aft direction in Fig. 1) of first jet 2, can also be arranged on
The both sides of the width of one nozzle 2.Wherein, first jet 2 can include the multiple first sub- nozzles 21, multiple first son sprays
Mouth 21 can be arranged with rectangular array.Second nozzle 3 can be formed as the spout structure of strip, length of the spout along substrate 101
Spend direction (i.e. first direction) extension.
Thus, can be by first jet 2 to when printing head component 100 is printed in the second print zone CC
Two print zone CC carry out inkjet printing solution, then carry out the solvent of inkjet printing second to the second print zone CC by second nozzle 3；
And when printing head component 100 is printed in the first print zone BB, only by first jet 2 in the first print zone BB ink-jets
Printing solution,, can be effective when the first solvent and the evaporation of the second solvent so as to increase the quantity of solvent on the second print zone CC
The solvent strength on (i.e. above viewing area AA borders) is improved above the second print zone CC in ground so that the first print zone BB is (i.e. aobvious
Show in the middle part of the AA of region) concentration and the concentration comparable of solvent above the second print zone CC of top solvent, and then solution can be prevented
To moving on the outside of the AA of viewing area during the drying, the uniformity of film forming is improved.Meanwhile compared with the prior art in beat
Nozzle component 100 is printed, without opening up groove in viewing area AA, or solvent print area is reserved in viewing area AA peripheries,
On the one hand printing process is simplified, on the other hand improves the utilization rate of substrate 101, be advantageously implemented narrow frame design and high picture
The exploitation of element, another further aspect can avoid solvent from improving substrate to infringement caused by the miscellaneous parts such as lead on substrate 101
101 reliability.
It is understood that the second solvent can be same solvent with the first solvent for solvent film material,
Can be two kinds of different solvents.Wherein, the first solvent and the second solvent can be the organic solvents such as alcohols, esters.
Printing head component 100 according to embodiments of the present invention, by setting first jet 2 and second nozzle 3, and cause
Second nozzle 3 is arranged side by side in a first direction with first jet 2, can use printing head component 100 directly in substrate 101
Viewing area AA printed, and the solvent strength above the AA borders of viewing area can be effectively improved so that viewing area
The concentration and the concentration comparable of solvent above the AA borders of viewing area of top solvent in the middle part of AA, and then solution can be prevented in drying
During to mobile on the outside of the AA of viewing area, improve the uniformity of film forming.Meanwhile compared with the prior art in printing head
Component 100, without opening up groove in viewing area AA, or solvent print area is reserved in viewing area AA peripheries, on the one hand
Printing process is simplified, on the other hand improves the utilization rate of substrate 101, is advantageously implemented opening for narrow frame design and high pixel
Hair, another further aspect can avoid solvent from improving substrate 101 to infringement caused by the miscellaneous parts such as lead on substrate 101
Reliability.
According to some embodiments of the present invention, second nozzle 3 is two, first jet 2 positioned at two second nozzles 3 it
Between.Reference picture 1- Fig. 3, two second nozzles 3 are arranged on the both sides of the width of first jet 2.For example, in Fig. 1 example
In, two second nozzles 3 are separately positioned on front side and the rear side of first jet 2.
For example, when the second print zone CC is printed, when being printed to the back-end from the front end of second direction, can first lead to
Cross first jet 2 and carry out inkjet printing solution to the second print zone CC, then by the second nozzle 3 of the front side of first jet 2 to the
Two print zone CC carry out the solvent of inkjet printing second；When from the rear end forward end printing of second direction, first can be first passed through
Nozzle 2 carries out inkjet printing solution to the second print zone CC, then is printed by the second nozzle 3 of the rear side of first jet 2 to second
Area CC carries out the solvent of inkjet printing second.Thus, in print procedure, printing head component 100 finishes in second direction printing
Afterwards, without returning to initial position, after directly moving preset distance in a first direction, you can the unprinted areas of AA in viewing area
Continue to print in domain, be effectively improved printing effect, save the time-write interval, and enable to printing head component 100 suitable
Answer different page order and printing type.
According to some specific embodiments of the present invention, second nozzle 3 is atomizer, and second nozzle 3 is configured to the
Two solvents are atomized into particle.Thus, it is possible to which the second solvent to be atomized into the particle of smaller size smaller by atomizer, it is easy to second
Solvent deposits in the second print zone CC, is advantageous to improve the uniformity of upper second solvents of the second print zone CC, and does not interfere with the
The position of solution on two print zone CC.
In one particular embodiment of the present invention, the second solvent can be atomized by atomizer by the way of high-pressure atomization
Into particle.When using high-pressure atomization, the second solvent particles kinetic energy of itself can make the second solvent particles be deposited on substrate 101
On.
In another specific embodiment of the present invention, atomizer also can be molten by second by the way of ultrasonic atomization
Agent is atomized into the second solvent particles.When using ultrasonic atomization, the second solvent particles itself kinetic energy very little, gas stream need to be used
Dynamic to drive the second solvent particles drippage on the substrate 101, therefore, this atomizer also includes air injection unit.The air injection unit
For spraying gas, gas is driven the second solvent particles motion after atomization, be deposited on the second print zone CC of substrate 101
On.
Alternatively, the diameter d of particle meets：0.5μm≤d≤10μm.Thus, it is possible to so that the second solvent is more preferable, faster
Ground is covered in the second print zone CC depositions, the second solvent is covered in the second print zone CC surface.
Specifically, first jet 2 can be pixel printing nozzle.
Further, printing head component 100 also includes：Gases at high pressure outlet 4, gases at high pressure outlet 4 are located at the second spray
The side of the remote first jet 2 of mouth 3.That is, gases at high pressure outlet 4 can be located at the outside of second nozzle 3.Wherein,
Gases at high pressure outlet 4 is used to spray gases at high pressure, and specifically, gases at high pressure outlet 4 can equably spray gases at high pressure.It is optional
Ground, gases at high pressure outlet 4 can be formed as the strip shape extended in a first direction, but not limited to this.In print procedure,
Gases at high pressure can form brattice.Thus, it is possible to limit the drippage scope of the second solvent particles, it is dropped in the second solvent particles
The lower section of atomizer, it efficiently avoid the second solvent and arbitrarily spread, thereby may be ensured that the second solvent particles can drip
In the second print zone CC, sedimentary boundaries have been efficiently controlled.
It is understood that in other embodiments of the present invention, gases at high pressure outlet 4 can also be looped around body 1
The periphery of bottom wall.Thus, in print procedure, gases at high pressure can be formed as the brattice of frame-shaped.Thus, it is possible to further avoid
Second solvent arbitrarily spreads, and thereby may be ensured that the second solvent particles can be dropped in the second print zone CC, efficiently controls
Sedimentary boundaries.
Further, printing head component 100 also includes：At least one vacuum suction mouth 5, vacuum suction mouth 5 are located at
Between first jet 2 and second nozzle 3, vacuum suction mouth 5 is caused between suction printing head component 100 and substrate 101
Gas is to balance the pressure between printing head component 100 and substrate 101.Wherein, vacuum suction mouth 5 is one or more.
For example, in the example of fig. 3, vacuum suction mouth 5 is multiple, and multiple vacuum suction mouths 5 are in first jet 2 and second nozzle 3
Between be arranged at intervals.Because gases at high pressure are ejected in gases at high pressure outlet 4 on the substrate 101, the gas of the top of substrate 101 is improved
Pressure, therefore, is aspirated by gas of the vacuum suction mouth 5 above substrate 101, can be effectively above balancing substrate 101
Air pressure.
According to some specific embodiments of the present invention, printing head component 100 also includes：First positioning mechanism and second pair
Position mechanism.First positioning mechanism is configured to align printing head component 100 to above the first print zone BB, the second aligning machine
Structure is configured to align printing head component 100 to above the second print zone CC.First detent mechanism and the second detent mechanism
It can be arranged on body 1.Wherein, the structure and operation principle of the first positioning mechanism and the second positioning mechanism are by this area
Known to technical staff, it be not described in detail herein.Thus, it is easy to according to the particular location of printing head component 100 control the
One nozzle 2 and second nozzle 3 work, and improve the uniformity of printing precision and film forming, so as to improve quality of forming film.
Alternatively, the first positioning mechanism and the second positioning mechanism can be same positioning mechanism, but not limited to this.
Printing head component 100 according to embodiments of the present invention, solution is printed upon by viewing area AA by first jet 2
It is interior, such as in the AA limited areas of pixel defining layer, be atomized to form 0.5um-10um's by the second solvent by second nozzle 3
Particle, and equably deposition is printed upon the second print zone CC, and brattice, control are formed by the injection gases at high pressure of gases at high pressure outlet 4
The sedimentary boundaries of the second solvent are made, by the top air pressure balance of 5 control base board of vacuum suction mouth 101, when solvent is evaporated,
The concentration of the solvent volatilization above the AA borders of viewing area can be improved for a long time, it is ensured that viewing area AA borders when solution evaporates
Concentration comparable in the middle part of the concentration and viewing area AA at place, so that solution will not move laterally during drying, improve
The uniformity and quality of forming film of film forming.
The printing device 200 of embodiment according to a second aspect of the present invention is described below, in the viewing area of substrate 101
AA printing thin films, viewing area AA include the first print zone BB and the second print zone CC, and the second print zone CC is looped around first dozen
Area BB periphery is printed, the outward flange in the second print zone CC domains extends to the coincident with viewing area AA.
Reference picture 6, according to a second aspect of the present invention the printing device 200 of embodiment include：According to the present invention above-mentioned first
Printing head component 100, solution storage tank 201 and the solvent storage tank 203 of aspect embodiment.
Solution storage tank 201 is connected by the first pipeline 202 with first jet 2 to provide solution, solvent to first jet 2
Storage tank 203 is connected by the second pipeline 204 with second nozzle 3 to provide solvent to second nozzle 3.
According to some embodiments of the present invention, the second pipeline 204 is provided with flowmeter 205, and flowmeter 205 is configured to control
Volume of the system into the solvent of second nozzle 3.Specifically, the thickness (H) of the volume (V) of the second solvent print area as needed
Calculated with area (S), calculation formula (V=K*H*S), K is benefit coefficient partially.When needing printing, the second print zone is first determined
After the CC area S and thickness H of film, the total amount of required second solvent is calculated.It is thus, it is possible to accurate by flowmeter 205
Ground control enters the volume of the second solvent of second nozzle 3, so as to accurately control solvent above the second print zone CC
Concentration, it is ensured that the concentration of viewing area AA boundaries and viewing area AA middle parts concentration comparable when solvent evaporates, so that solution
It will not laterally be moved during drying, improve the uniformity and quality of forming film of film forming.
The printing device 200 of embodiment according to a second aspect of the present invention, by setting according to the above-mentioned first aspect of the present invention
The printing head component 100 of embodiment, when solvent is evaporated, it can improve for a long time molten above the AA borders of viewing area
The concentration of agent volatilization, it is ensured that the concentration of viewing area AA boundaries and viewing area AA middle parts concentration comparable when solution evaporates, from
And solution is not moved laterally during drying, improve the uniformity and quality of forming film of film forming.
The Method of printing of the printing device 200 of embodiment according to a third aspect of the present invention, in the viewing area of substrate 101
Domain AA printing thin films, viewing area AA include the first print zone BB and the second print zone CC, and the second print zone CC is looped around first
Print zone BB periphery, the outward flange in the second print zone CC domains extend to the coincident with viewing area AA, printing device 200
For the printing device 200 according to the above-mentioned second aspect embodiment of the present invention, Method of printing comprises the following steps：
Printing nozzle component 100 is aligned；
When printing head component 100 is aligned to above the first print zone BB, control first jet 2 is in the first print zone
BB inkjet printing solution；
When printing head component 100 is aligned to above the second print zone CC, control first jet 2 is in the second print zone CC
Inkjet printing solution, second nozzle 3 is then controlled in second print zone the second solvent of CC inkjet printings；
Evaporate solvent.
After viewing area AA printing solutions and the second solvent, evaporating the first solvent and the second solvent can show
Region AA forms film.Specifically, it can evaporate the first print zone BB's by vacuum decompression drying process and baking process
The first solvent and the second solvent of first solvent and the second print zone CC.
The Method of printing of embodiment according to a third aspect of the present invention, printing head component 100 can be used directly in substrate
101 viewing area AA is printed, and can effectively improve the solvent strength above the AA borders of viewing area so that display
The concentration and the concentration comparable of solvent above the AA borders of viewing area of top solvent in the middle part of the AA of region, and then can prevent solution from existing
It is mobile to viewing area AA outsides in dry process, improve the uniformity of film forming.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " illustrative examples ",
The description of " example ", " specific example " or " some examples " etc. means to combine specific features, the knot that the embodiment or example describe
Structure, material or feature are contained at least one embodiment or example of the present invention.In this manual, to above-mentioned term
Schematic representation is not necessarily referring to identical embodiment or example.Moreover, specific features, structure, material or the spy of description
Point can combine in an appropriate manner in any one or more embodiments or example.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that：Not
In the case of departing from the principle and objective of the present invention a variety of change, modification, replacement and modification can be carried out to these embodiments, this
The scope of invention is limited by claim and its equivalent.
Claims (10)
1. a kind of printing head component, for the viewing area printing thin film in substrate, the viewing area includes the first printing
Area and the second print zone, second print zone are looped around the periphery of first print zone, it is characterised in that the printing spray
Head assembly includes：
Body；
First jet and second nozzle, the first jet and the second nozzle are located on the bottom wall of the body, and described
Two nozzles are arranged side by side in a first direction with the first jet, and the first jet is configured to spray in the viewing area
Black printing solution, the solution are dissolved in the first solvent by the material for forming the film and are made, and the second nozzle is by structure
Cause in second print zone the second solvent of inkjet printing, wherein, the first direction is the direction vertical with Print direction.
2. printing head component according to claim 1, it is characterised in that the second nozzle be two, described first
Nozzle is between two second nozzles.
3. printing head component according to claim 1 or 2, it is characterised in that the second nozzle is atomizer, institute
Second nozzle is stated to be configured to second solvent being atomized into particle.
4. printing head component according to claim 3, it is characterised in that the diameter d of the particle meets：0.5μm≤d
≤10μm。
5. printing head component according to claim 3, it is characterised in that further comprise：Gases at high pressure export, described
Gases at high pressure outlet is located at the side of the remote first jet of the second nozzle.
6. printing head component according to claim 5, it is characterised in that further comprise：At least one vacuum suction
Mouthful, the vacuum suction mouth is located between the first jet and the second nozzle, and the vacuum suction mouth is caused suction
Gas between the printing head component and the substrate is to balance the pressure between the printing head component and the substrate
Power.
7. printing head component according to claim 1, for the viewing area printing thin film in substrate, the viewing area
Domain includes the first print zone and the second print zone, and second print zone is looped around the periphery of first print zone, its feature
It is, in addition to：
First positioning mechanism, first positioning mechanism are configured to printing head component contraposition to the described first printing
Above area；With
Second positioning mechanism, second positioning mechanism are configured to printing head component contraposition to the described second printing
Above area.
A kind of 8. printing device, it is characterised in that including：
Printing head component according to any one of claim 1-7；
Solution storage tank, the solution storage tank are connected to be carried to the first jet by the first pipeline with the first jet
For solution；
Solvent storage tank, the solvent storage tank are connected to be carried to the second nozzle by the second pipeline with the second nozzle
For solvent.
9. printing device according to claim 8, it is characterised in that second pipeline is provided with flowmeter, the stream
Gauge is configured to control the volume of the solvent into the second nozzle.
10. a kind of Method of printing of printing device, for the viewing area printing thin film in substrate, the viewing area includes the
One print zone and the second print zone, second print zone are looped around the periphery of first print zone, it is characterised in that described
Printing device is the printing device according to claim 8 or 9, and the Method of printing comprises the following steps：
Printing nozzle component is aligned；
During by above printing head component contraposition to first print zone, the first jet is controlled at described first dozen
Print area's inkjet printing solution；
During by above printing head component contraposition to second print zone, the first jet is controlled at described second dozen
Area's inkjet printing solution is printed, then controls the second nozzle in second print zone the second solvent of inkjet printing；
Evaporate solvent.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710642320.0A CN107364233B (en) | 2017-07-31 | 2017-07-31 | Printing head component, printing device and Method of printing |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710642320.0A CN107364233B (en) | 2017-07-31 | 2017-07-31 | Printing head component, printing device and Method of printing |
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| CN107364233A true CN107364233A (en) | 2017-11-21 |
| CN107364233B CN107364233B (en) | 2019-07-12 |
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| CN107364233B (en) | 2019-07-12 |
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