CN109910437A - A kind of preparation method of spray equipment and display panel - Google Patents
A kind of preparation method of spray equipment and display panel Download PDFInfo
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- CN109910437A CN109910437A CN201910057536.XA CN201910057536A CN109910437A CN 109910437 A CN109910437 A CN 109910437A CN 201910057536 A CN201910057536 A CN 201910057536A CN 109910437 A CN109910437 A CN 109910437A
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- nozzle
- drop
- guide rail
- display device
- actuator
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Abstract
The present invention provides the preparation method of a kind of spray equipment and display panel, and the spray equipment includes the first actuator that nozzle, tester, the driving nozzle transversely move horizontally, and, the second actuator that driving display device plate moves horizontally along longitudinal direction；Wherein, the tester is fixedly connected with the nozzle.By the way that tester and nozzle are linked together, it is every to pass through one bout, the speed of drop is sprayed to nozzle by tester and outgoing drift angle test once, the speed of drop is sprayed to nozzle according to test result and outgoing drift angle is adjusted, it is can be achieved in this way with printing with correction, so as to greatly improve printing accuracy, prevents from becoming unstable because of factors such as ink characteristics, temperature, drop residuals, drop is caused to fall within the sub-pixel opening other than being expected.
Description
Technical field
The present invention relates to field of display technology more particularly to the preparation methods of a kind of spray equipment and display panel.
Background technique
The advantages that organic electroluminescence device (OLED) is with its self-luminous, all solid state, high contrast, becomes in recent years most
The New Type Display Devices of potentiality.OLED film is prepared using solwution method at present, with its stock utilization height, equipment manufacturing cost is low etc. excellent
Point shows apparent advantage.Solution containing luminescent material is dropped in predetermined position by solwution method in a manner of fine droplet,
Then by solvent evaporative removal, leaving behind solute, (method of the film of formation is referred to as IJP (Ink-Jet Printing, ink-jet
Printing), it is the processing procedure for being best suited for current OLED luminescent device at present.In order to guarantee drop successfully instilling display panel
In sub-pixel opening, other than needing sub-pixel opening to have enough width, it is also necessary to high-precision printing device.
Currently in order to guarantee drop can accurately land, usually before printing using RDI device to ink droplet carry out speed with
It is emitted deflection angle testing, to record corresponding data.When will automatically calculate the injection in advance of nozzle according to RDI result in printing
Between, to guarantee that drop accurately lands.
But in practical print procedure, nozzle can become not because of the factors such as ink characteristics, temperature, drop residual
Stablize, to will appear the situation of liquid drop speed Yu angle deviating premeasuring in print procedure, is eventually exhibited as falling in drop
Within the sub-pixel opening other than expection, the display quality of display panel is influenced.
Summary of the invention
The present invention provides a kind of spray equipment, in the print procedure to solve display panel, nozzle can because ink characteristics,
The factors such as temperature, drop residual and become unstable, cause drop fall in it is expected other than sub-pixel opening within technology ask
Topic.
To solve the above problems, technical solution provided by the invention is as follows:
A kind of spray equipment, comprising:
Nozzle；
The speed of drop is sprayed to the nozzle and is emitted the tester tested drift angle；
Drive the first actuator that the nozzle transversely moves horizontally；And
The second actuator that driving display device plate moves horizontally along longitudinal direction；
Wherein, the tester is fixedly connected with the nozzle.
Further, the spray equipment further includes the first guide rail being transversely arranged, and the nozzle is led along described first
The length direction of rail is slidably connected with first guide rail.
Further, the spray equipment further includes that horizontally disposed second guide rail, second guide rail are located at along longitudinal direction
The lower section of first guide rail.
Further, first actuator and second actuator are electric cylinders, cylinder, hydraulic cylinder or conveyer.
The present invention also provides a kind of preparation methods of display panel, comprising the following steps:
S10, display device plate is placed on the second longitudinally disposed guide rail；
S20, the speed of drop is sprayed to the nozzle and is emitted drift angle using tester and is tested；
S30, after adjusting speed and the outgoing drift angle that the nozzle sprays drop according to test result, the nozzle is adjusted
To initial position；
S40, the display device plate is moved along second guide rail, opens simultaneously the nozzle, the display device
Drop is printed in the opening of the sub-pixel on the display device plate by the nozzle during plate is mobile；
After instilling drop in the sub-pixel opening of same row on S50, the display device plate, the test is utilized
Device sprays the speed of drop to the nozzle and outgoing drift angle is tested again, readjusts the nozzle according to test result
Behind the speed and the outgoing drift angle that spray drop, the nozzle is closed；
S60, the nozzle is moved to predeterminated position along the first guide rail, opens the nozzle, first guide rail is along horizontal
To setting；
S70, the display device plate is moved along second guide rail, while drop is printed to display by the nozzle
In sub-pixel opening on part plate；
S80, step S30~S70 is repeated, drop is instilled to all sub- pictures on the display device plate by the nozzle
In element opening.
Further, the tester is fixedly connected with the nozzle.
Further, the nozzle is slidably connected along the length direction of first guide rail with first guide rail.
Further, the nozzle is equipped with the first actuator for driving it to move along first guide rail.
Further, the display device plate is driven by the second actuator to move along second guide rail.
Further, first actuator and second actuator are electric cylinders, cylinder, hydraulic cylinder or conveyer.
The invention has the benefit that by the way that tester and nozzle link together, it is every to pass through one bout, pass through survey
Examination device sprays the speed of drop to nozzle and outgoing drift angle test once, sprays the speed of drop to nozzle according to test result
Degree and outgoing drift angle are adjusted, and are can be achieved in this way with printing with correction, so as to greatly improve printing accuracy, are prevented
Only become unstable because of factors such as ink characteristics, temperature, drop residuals, drop is caused to fall in the sub-pixel opening other than being expected
Within.
Detailed description of the invention
It, below will be to embodiment or the prior art in order to illustrate more clearly of embodiment or technical solution in the prior art
Attached drawing needed in description is briefly described, it should be apparent that, the accompanying drawings in the following description is only some of invention
Embodiment for those of ordinary skill in the art without creative efforts, can also be attached according to these
Figure obtains other attached drawings.
Fig. 1 is the structural schematic diagram of spray equipment in the specific embodiment of the invention；
Fig. 2 is the preparation step schematic diagram of display panel in the specific embodiment of the invention；
Fig. 3 is the structural schematic diagram of display panel in the specific embodiment of the invention.
Appended drawing reference:
10, nozzle；20, tester；30, the first actuator；40, the second actuator；50, the first guide rail；60, it second leads
Rail；70, display device plate；71, substrate；72, thin-film transistor array base-plate；73, pixel defining layer；74, sub-pixel is open；
80, light emitting device layer；90, encapsulated layer.
Specific embodiment
The explanation of following embodiment is referred to the additional illustration, the particular implementation that can be used to implement to illustrate the present invention
Example.The direction term that the present invention is previously mentioned, such as [on], [under], [preceding], [rear], [left side], [right side], [interior], [outer], [side]
Deng being only the direction with reference to annexed drawings.Therefore, the direction term used be to illustrate and understand the present invention, rather than to
The limitation present invention.The similar unit of structure is with being given the same reference numerals in the figure.
For the present invention in the print procedure of existing display panel, nozzle can be because of ink characteristics, temperature, drop residual
Etc. factors and become unstable, cause drop fall in it is expected other than sub-pixel opening within the technical issues of.The present invention can be with
It solves the above problems.
A kind of spray equipment, as shown in Figure 1, including the transversely horizontal shifting of nozzle 10, tester 20, the driving nozzle 10
The first dynamic actuator 30, and, the second actuator 40 that driving display device plate 70 moves horizontally along longitudinal direction.
When being printed to display device plate 70, during the second actuator 40 drives display device plate 70 mobile,
Nozzle 10 prints drop into sub-pixel corresponding on display device plate 70 opening 74, and drop is printed to a column sub-pixel and is opened
It is one bout in mouth 74, every completion one bout, the first actuator 30 driving 10 transverse shifting of nozzle is primary, and drop is beaten
It prints into the sub-pixel opening 74 of next column, mobile nozzle 10 is once a stroke, and whole printing process is exactly multi-round
With multiple strokes.
Wherein, the tester 20 is RDI device, and the tester 20 sprays the speed of drop to the nozzle 10 and goes out
It penetrates drift angle to be tested, so as to record corresponding data, when being printed using nozzle 10, according to RDI device to test
Corresponding data calculates the injecting time in advance of nozzle 10, adjusts to spray the speed of drop to nozzle 10 and be emitted drift angle
It is whole, to guarantee that drop accurately lands.
Wherein, the tester 20 is fixedly connected with the nozzle 10.
It is every to pass through one bout by the way that tester 20 and nozzle 10 link together, by tester 20 to nozzle 10
The speed and outgoing drift angle for spraying drop test once, spray the speed and outgoing of drop to nozzle 10 according to test result
Drift angle is adjusted, and can be achieved with preventing so as to greatly improve printing accuracy because of ink with printing with correction in this way
The factors such as characteristic, temperature, drop residual and become unstable, cause drop fall in it is expected other than sub-pixel opening 74 within.
Specifically, first actuator 30 and second actuator 40 are electric cylinders, cylinder, hydraulic cylinder or conveyer.
It should be noted that first actuator 30 may be the same or different with second actuator 40.
In one embodiment, first actuator 30 and second actuator 40 are cylinder, the cylinder
Telescopic rod is fixedly connected with display device plate 70.
In another embodiment, first actuator 30 and second actuator 40 are conveyer, when printing
By the conveying band connection of display device plate 70 and nozzle 10 and conveyer, display device plate 70 and nozzle 10 are driven by conveyer belt
It is mobile.
Specifically, the spray equipment further includes the first guide rail 50 being transversely arranged, the nozzle 10 is along described first
The length direction of guide rail 50 is slidably connected with first guide rail 50.By the first guide rail 50 of setting in order to the shifting of nozzle 10
It is dynamic.
Specifically, the spray equipment further includes horizontally disposed second guide rail 60 along longitudinal direction, 60, second guide rail
In the lower section of first guide rail 50.
Based on above-mentioned spray equipment, the present invention also provides a kind of preparation methods of display panel, as depicted in figs. 1 and 2, packet
Include following steps:
S10, display device plate 70 is placed on the second longitudinally disposed guide rail 60；
S20, the speed of drop is sprayed to the nozzle 10 and is emitted drift angle using tester 20 and is tested；
S30, after adjusting speed and the outgoing drift angle that the nozzle 10 sprays drop according to test result, by the nozzle 10
It adjusts to initial position；
S40, the display device plate 70 is moved along second guide rail 60, opens simultaneously the nozzle 10, it is described aobvious
Drop the sub-pixel on the display device plate 70 is printed to by the nozzle 10 during showing the movement of device board 70 to open
In mouth 74；
After instilling drop in the sub-pixel opening 74 of same row on S50, the display device plate 70, using described
Tester 20 sprays the speed of drop to the nozzle 10 and outgoing drift angle is tested again, is readjusted according to test result
After the nozzle 10 sprays speed and the outgoing drift angle of drop, the nozzle 10 is closed；
S60, the nozzle 10 is moved to predeterminated position along the first guide rail 50, opens the nozzle 10, described first leads
Rail 50 is transversely arranged；
S70, the display device plate 70 is moved along second guide rail 60, while the nozzle 10 prints to drop
In sub-pixel opening 74 on display device plate 70；
S80, step S30~S70 is repeated, drop is instilled by owning on the display device plate 70 by the nozzle 10
In sub-pixel opening 74.
When being printed to display device plate 70, during the second actuator 40 drives display device plate 70 mobile,
Nozzle 10 prints drop into sub-pixel corresponding on display device plate 70 opening 74, and drop is instilled column sub-pixel opening
It is one bout in 74, every completion one bout, the first actuator 30 driving 10 transverse shifting of nozzle is primary, and drop is printed
Into the sub-pixel opening 74 of next column, it is once a stroke that nozzle 10 is mobile, whole printing process be exactly multi-round and
Multiple strokes.It is every to pass through one bout, the speed of drop is sprayed to nozzle 10 by tester 20 and outgoing drift angle is tested
Once, the speed of drop is sprayed to nozzle 10 according to test result and outgoing drift angle is adjusted, can be achieved in this way with printing
With correction, so as to greatly improve printing accuracy.
Specifically, the tester 20 is fixedly connected with the nozzle 10.In order to which tester 20 is at any time to the nozzle
The speed of 10 ejection drops and outgoing drift angle are tested.
Specifically, the nozzle 10 is slidably connected along the length direction of first guide rail 50 with first guide rail 50.
Further, the nozzle 10 is equipped with the first actuator 30 for driving it to move along first guide rail 50.
Specifically, the display device plate 70 is driven by the second actuator 40 to move along second guide rail 60.
Further, first actuator 30 and second actuator 40 are electric cylinders, cylinder, hydraulic cylinder or conveying
Machine.
It should be noted that first actuator 30 may be the same or different with second actuator 40.
In one embodiment, first actuator 30 and second actuator 40 are cylinder, the cylinder
Telescopic rod is fixedly connected with display device plate 70.
In another embodiment, first actuator 30 and second actuator 40 are conveyer, when printing
By the conveying band connection of display device plate 70 and nozzle 10 and conveyer, display device plate 70 and nozzle 10 are driven by conveyer belt
It is mobile.
It should be noted that as shown in figure 3, the display device plate 70 includes substrate 71, is arranged on the substrate 71
Thin-film transistor array base-plate 72 and the pixel defining layer 73 that is arranged on the thin-film transistor array base-plate 72, it is described
Sub-pixel opening 74 is arranged in the pixel defining layer 73, and the nozzle 10 prints to drop in sub-pixel opening 74 with shape
At light emitting device layer 80.
Wherein, the substrate 71 can be hard substrate, such as glass substrate；The substrate 71 or flexible base board,
Such as polyimide substrate.
It should be noted that the display panel further includes encapsulated layer 90 in the case where display panel is oled panel
Etc. necessary component, the preparation method of the display panel further include:
S90, encapsulated layer 90 is formed on the display device plate 70.
The invention has the benefit that by the way that tester 20 and nozzle 10 link together, it is every to pass through one bout, lead to
It crosses the speed that tester 20 sprays drop to nozzle 10 test once with drift angle is emitted, nozzle 10 is sprayed according to test result
The speed of drop and outgoing drift angle are adjusted out, can be achieved with beating with printing with correction so as to greatly improve in this way
Accuracy is printed, prevents from becoming unstable because of factors such as ink characteristics, temperature, drop residuals, drop is caused to fall in other than expection
Sub-pixel opening 74 within.
In conclusion although the present invention has been disclosed above in the preferred embodiment, but above preferred embodiment is not to limit
The system present invention, those skilled in the art can make various changes and profit without departing from the spirit and scope of the present invention
Decorations, therefore protection scope of the present invention subjects to the scope of the claims.
Claims (10)
1. a kind of spray equipment characterized by comprising
Nozzle；
The speed of drop is sprayed to the nozzle and is emitted the tester tested drift angle；
Drive the first actuator that the nozzle transversely moves horizontally；And
The second actuator that driving display device plate moves horizontally along longitudinal direction；
Wherein, the tester is fixedly connected with the nozzle.
2. spray equipment according to claim 1, which is characterized in that the spray equipment further includes be transversely arranged
One guide rail, the nozzle are slidably connected along the length direction of first guide rail with first guide rail.
3. spray equipment according to claim 2, which is characterized in that the spray equipment further includes horizontally disposed along longitudinal direction
The second guide rail, second guide rail is located at the lower section of first guide rail.
4. spray equipment according to claim 1, which is characterized in that first actuator and second actuator are
Electric cylinders, cylinder, hydraulic cylinder or conveyer.
5. a kind of preparation method of display panel, which comprises the following steps:
S10, display device plate is placed on the second longitudinally disposed guide rail；
S20, the speed of drop is sprayed to the nozzle and is emitted drift angle using tester and is tested；
S30, after adjusting speed and the outgoing drift angle that the nozzle sprays drop according to test result, the nozzle is adjusted to first
Beginning position；
S40, the display device plate is moved along second guide rail, opens simultaneously the nozzle, the display device plate moves
Drop is printed in the opening of the sub-pixel on the display device plate by the nozzle in dynamic process；
After instilling drop in the sub-pixel opening of same row on S50, the display device plate, the tester pair is utilized
The nozzle sprays the speed of drop and outgoing drift angle is tested again, readjusts the nozzle according to test result and sprays
After the speed of drop and outgoing drift angle, the nozzle is closed；
S60, the nozzle is moved to predeterminated position along the first guide rail, opens the nozzle, first guide rail is transversely set
It sets；
S70, the display device plate is moved along second guide rail, while drop is printed to display device plate by the nozzle
On sub-pixel opening in；
S80, step S30~S70 is repeated, is opened all sub-pixels that drop instills on the display device plate by the nozzle
In mouthful.
6. a kind of preparation method of display panel according to claim 5, which is characterized in that the tester and the spray
Mouth is fixedly connected.
7. a kind of preparation method of display panel according to claim 6, which is characterized in that the nozzle is along described first
The length direction of guide rail is slidably connected with first guide rail.
8. a kind of preparation method of display panel according to claim 7, which is characterized in that the nozzle is equipped with driving
Its first actuator moved along first guide rail.
9. a kind of preparation method of display panel according to claim 8, which is characterized in that the display device plate passes through
Second actuator drives to move along second guide rail.
10. a kind of preparation method of display panel according to claim 9, which is characterized in that first actuator and
Second actuator is electric cylinders, cylinder, hydraulic cylinder or conveyer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910057536.XA CN109910437B (en) | 2019-01-22 | 2019-01-22 | Spraying device and preparation method of display panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910057536.XA CN109910437B (en) | 2019-01-22 | 2019-01-22 | Spraying device and preparation method of display panel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109910437A true CN109910437A (en) | 2019-06-21 |
| CN109910437B CN109910437B (en) | 2020-10-13 |
Family
ID=66960545
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910057536.XA Active CN109910437B (en) | 2019-01-22 | 2019-01-22 | Spraying device and preparation method of display panel |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110349502A (en) * | 2019-06-27 | 2019-10-18 | 深圳市华星光电半导体显示技术有限公司 | Substrate breaking device |
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|---|---|
| CN109910437B (en) | 2020-10-13 |
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