CN110014765A - Inkjet printing methods and device - Google Patents
Inkjet printing methods and device Download PDFInfo
- Publication number
- CN110014765A CN110014765A CN201910271229.1A CN201910271229A CN110014765A CN 110014765 A CN110014765 A CN 110014765A CN 201910271229 A CN201910271229 A CN 201910271229A CN 110014765 A CN110014765 A CN 110014765A
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- Prior art keywords
- nozzle
- pixel unit
- inkjet
- spray head
- printing
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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
- B41J3/00—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed
- B41J3/407—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed for marking on special material
-
- 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
- B41J3/00—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed
- B41J3/54—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed with two or more sets of type or printing elements
- B41J3/543—Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed with two or more sets of type or printing elements with multiple inkjet print heads
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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
Abstract
Present applicant proposes a kind of inkjet printing methods and device, which includes: the predetermined position that target base plate is set to inkjet-printing device；The spray head of the inkjet-printing device carries out first time printing to target base plate along first direction；The spray head of inkjet-printing device is moved in a second direction；The predetermined nozzle screened in spray head carries out second of printing to target base plate；Aforesaid operations are repeated, the printing of target base plate is completed.In the print procedure of a pixel unit, the pixel unit is corresponding with multiple nozzles in spray head, and wherein at least one nozzle does not print the pixel unit.The application is by reducing spray head in the moving step length of second direction, to increase nozzle quantity corresponding to pixel unit, and the nozzle printed by random screening, the probability that defective nozzle participates in printing is reduced, it reduces product and the probability of non-uniform phenomenon occurs, improve the yield of product.
Description
Technical field
This application involves display manufacturing field, in particular to a kind of inkjet printing methods and device.
Background technique
Inkjet printing (IJP) is a kind of important solution film forming technology, it has, and easy to operate, low in cost, technique is simple
The advantages that single, suitable for large-scale production, therefore be widely used in and prepare Organic Light Emitting Diode (OLED), organic thin-film transistor
The every field such as pipe, metal electrode, and achieve good effect.
For existing large size panel, need to complete the printing of panel by tens million of spray printings.Due to ink-jet
The spray head of printing equipment is limited, therefore a spray head needs recycle.And when some spray head breaks down, by the spray
The pixel unit of head printing is improper pixel unit, causes panel the non-uniform phenomenon of large area occur, influences the product of panel
Matter reduces the yield of product.
Summary of the invention
The application provides a kind of inkjet printing methods and device, is asked with solving the existing lower technology of panel product yield
Topic.
To solve the above problems, technical solution provided by the present application is as follows:
The application provides a kind of inkjet printing methods comprising:
S10, the predetermined position that target base plate is set to inkjet-printing device；
S20, the inkjet-printing device spray head along first direction to the target base plate carry out first time printing；
S30, the spray head of the inkjet-printing device is moved in a second direction；
Predetermined nozzle in S40, the screening spray head carries out second to the target base plate and prints；
S50, step S30 and S40 are repeated, completes the printing of the target base plate；
In the print procedure of a pixel unit, the pixel unit is corresponding with multiple nozzles in the spray head,
Wherein, at least one described nozzle does not print the pixel unit.
In the inkjet printing methods of the application,
The spray head includes the M nozzles, and the spacing of the two neighboring nozzle in a second direction is a；
The spacing that the spray head moves a step-length in a second direction is b；
In the print procedure of a pixel unit, the pixel unit is corresponding with the M*a/b nozzles；
Wherein, a > 0, b > 0, M >=2, M are positive integer.
In the inkjet printing methods of the application,
Each pixel unit need to print c times；
In the print procedure of a pixel unit, (the M*a/b)-c nozzles do not carry out the pixel unit
Printing；
Wherein, c is positive integer.
In the inkjet printing methods of the application,
Step S10 includes:
S101, target base plate is set on the inkjet-printing device, and is fixed on the load of the inkjet-printing device
On platform；
S102, the spray head of the inkjet-printing device is aligned with the target base plate.
In the inkjet printing methods of the application,
Step S20 includes:
S201, first group of nozzle pair, first group of pixel unit corresponding with first group of nozzle in the spray head is utilized
Printing；
S202, the target base plate is moved along first direction, makes the of first group of nozzle and the target base plate
Two groups of pixel units are corresponding；
S203, first group of nozzle pair, second group of pixel corresponding with first group of nozzle in the spray head is utilized
Unit printing；
S204, step S202 and S203 are repeated, completes the printing of the corresponding multiple row pixel unit of first group of nozzle.
The application also proposed a kind of inkjet-printing device comprising contraposition module, print module, first movement module with
And screening module；
The contraposition module is used to for target base plate being set to the predetermined position of the inkjet-printing device；
The print module is used to carry out the target base plate spray head of the inkjet-printing device along first direction
It prints for the first time；
The first movement module for moving the spray head of the inkjet-printing device in a second direction；
The screening module is used to screen the predetermined nozzle in the spray head and carries out second of printing to the target base plate；
In the print procedure of a pixel unit, the pixel unit is corresponding with multiple nozzles in the spray head,
Wherein, at least one described nozzle does not print the pixel unit.
In the inkjet-printing device of the application,
The spray head includes the M nozzles, and the spacing of the two neighboring nozzle in a second direction is a；
The spacing that the spray head moves a step-length in a second direction is b；
In the print procedure of a pixel unit, the pixel unit is corresponding with the M*a/b nozzles；
Wherein, a > 0, b > 0, M >=2, M are positive integer.
In the inkjet-printing device of the application,
Each pixel unit need to print c times；
In the print procedure of a pixel unit, (the M*a/b)-c nozzles do not carry out the pixel unit
Printing；
Wherein, c is positive integer.
In the inkjet-printing device of the application,
The contraposition module includes fixed cell and bit cell；
The fixed cell is same as the target base plate being set on the inkjet-printing device, and is fixed on the spray
On the microscope carrier of black printing equipment；
The bit cell is for aligning the spray head of the inkjet-printing device with the target base plate.
In the inkjet-printing device of the application,
The inkjet-printing device further includes the second mobile module；
Second mobile module is used to complete first group of nozzle pair and first group of nozzle pair in the spray head
Answer first group of pixel unit printing when, the target base plate is moved along first direction, make first group of nozzle with it is described
Second group of pixel unit of target base plate is corresponding.
The utility model has the advantages that the inkjet printing methods include: by target present applicant proposes a kind of inkjet printing methods and device
Substrate is set to the predetermined position of inkjet-printing device；The spray head of the inkjet-printing device carries out target base plate along first direction
It prints for the first time；The spray head of inkjet-printing device is moved in a second direction；The predetermined nozzle in spray head is screened to target base plate
Second is carried out to print；Aforesaid operations are repeated, the printing of target base plate is completed.It, should in the print procedure of a pixel unit
Pixel unit is corresponding with multiple nozzles in spray head, and wherein at least one nozzle does not print the pixel unit.This Shen
Please by reducing spray head in the moving step length of second direction, to increase nozzle quantity corresponding to pixel unit, and by random
The nozzle printed is screened, the probability that defective nozzle participates in printing is reduced, product is reduced and the probability of non-uniform phenomenon occurs, mention
The yield of high product.
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.
The step of Fig. 1 is the application inkjet printing methods is schemed；
Fig. 2 is the schematic diagram of the application inkjet printing methods；
Fig. 3 is the schematic diagram of spray head and respective column pixel unit in the application inkjet-printing device；
Fig. 4 is the structure chart of the application inkjet-printing device.
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 application
Example.The direction term that the application 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 application, rather than to
Limit the application.The similar unit of structure is with being given the same reference numerals in the figure.
Referring to Fig. 1, Fig. 1 schemes the step of being the application inkjet printing methods.
Referring to Fig. 2, Fig. 2 is the schematic diagram of the application inkjet printing methods.
Referring to Fig. 3, Fig. 3 is the schematic diagram of spray head and respective column pixel unit in the application inkjet-printing device 100.
The inkjet printing methods comprising steps of
S10, the predetermined position that target base plate 50 is set to inkjet-printing device 100；
Step S10 is specifically included:
S101, target base plate 50 is set on the inkjet-printing device 100, and is fixed on the inkjet-printing device
On 100 microscope carrier, and construct printing environment.
S102, the spray head 20 of the inkjet-printing device 100 and the target base plate 50 are aligned.
Referring to Fig. 3, the spray head 20 includes M nozzles, the two neighboring nozzle in a second direction between
Away from for a, wherein a > 0, M >=2, M are positive integer.
Therefore when carrying out spray head 20 and the target base plate 50 aligns, the mainly described nozzle and the target base plate 50
On pixel unit aligned.Such as in Fig. 3, first group of nozzle is corresponding with first group of pixel unit 30.
S20, the inkjet-printing device 100 spray head 20 along first direction to the target base plate 50 carry out for the first time beat
Print；
Step S20 is specifically included:
S201, first group of nozzle pair, first group of pixel list corresponding with first group of nozzle in the spray head 20 is utilized
Member 30 prints；
S202, the target base plate 50 is moved along first direction, makes first group of nozzle and the target base plate 50
Second group of pixel unit 40 it is corresponding；
S203, first group of nozzle pair, second group of picture corresponding with first group of nozzle in the spray head 20 is utilized
Plain unit 40 prints；
S204, step S202 and S203 are repeated, completes the printing of the corresponding multiple row pixel unit of first group of nozzle.
In the present embodiment, the first direction is the Y-direction in Fig. 2.
S30, the spray head 20 of the inkjet-printing device 100 is moved in a second direction；
In this step, when the spray head 20 completes the primary printing of respective column pixel unit, the spray head 20 is along the
The mobile certain spacing in two directions.
In the present embodiment, it is b that the spray head 20 moves the spacing of a step-length in a second direction, wherein b > 0.
In order to guarantee the accuracy of inkjet printing, when being configured to step-length, guarantee the nozzle and the picture as far as possible
The center of plain unit is corresponding, avoids the occurrence of biggish printing error.
According to the mobile step-length of the spray head 20, it can be deduced that in the print procedure of a pixel unit, the picture
Plain unit is corresponding with the M*a/b nozzles, that is, has M*a/b nozzle to pass through the top of pixel unit.
In the present embodiment, the second direction is the X-direction in Fig. 2.
Predetermined nozzle in S40, the screening spray head 20 carries out second to the target base plate 50 and prints.
This step main random selects predetermined nozzle to carry out second to the target base plate 50 to print, it is possible to occur with
The corresponding nozzle of pixel unit of the target base plate 50 is not printed.
Multiple nozzles pair in the print procedure of a pixel unit, in the pixel unit and the spray head 20
It answers, nozzle described in wherein at least one does not print the pixel unit.
Assuming that each pixel unit needs to print c times, then it can be concluded that a pixel unit print procedure
In, there are (the M*a/b)-c nozzles and the pixel unit is not printed, wherein c is positive integer.
S50, above-mentioned printing is repeated, completes the printing of the target base plate 50.
Therefore the present embodiment can determine the nozzle without printing according to pre-set page order, reduce failure
Nozzle participates in the probability of printing.
The application is by reducing spray head 20 in the moving step length of second direction, to increase nozzle number corresponding to pixel unit
Amount, and the nozzle printed by random screening reduce the probability that defective nozzle participates in printing.
It is illustrated below with specific embodiment.
Referring to Fig. 3, the spray head 20 includes 3*4 nozzle.
In the present embodiment, nozzle 1, nozzle 4, nozzle 7, nozzle 10 are located along the same line, nozzle 2, nozzle 5, nozzle
8, nozzle 11 is located along the same line, and nozzle 3, nozzle 6, nozzle 9, nozzle 12 are located along the same line.The two neighboring spray
The spacing of mouth in a second direction is a.The arrangement mode of nozzle described in every a line is not limited to the scheme of the present embodiment, such as sprays
Mouth 1, nozzle 4, nozzle 7, nozzle 10 can be located on an oblique line.
In the present embodiment, first group of nozzle (nozzle 1, nozzle 3, nozzle 5, nozzle 7, nozzle 9, nozzle 11) first and the
One group of pixel unit 30 is corresponding, and after completing primary printing, the target base plate 50 is mobile to Y-direction, so that first group of spray
Mouth is corresponding with second group of pixel unit 40, and prints to second group of pixel unit 40.Aforesaid operations are repeated, 6 column are completed
The printing of pixel unit.
Secondly, the spray head 20 moves a step-length b along first direction.
It is illustrated by taking b=a as an example below, i.e., the described mobile step-length b of spray head 20 and two neighboring nozzle are in second party
To spacing a it is equal.
When the spray head 20 moves a in a second direction, then second group of nozzle (nozzle 2, nozzle 4, nozzle 6, nozzle 8, spray
Mouth 10, nozzle 12) it is corresponding with the pixel unit of target base plate 50.At this point, in above-mentioned 6 nozzles, in fact it could happen that one or one
It is a that corresponding pixel unit is not printed with top nozzle.
In the print procedure of a pixel unit, which will be corresponding with 12 nozzles.If a pixel list
Member needs to print 5 times, then in the print procedure of a pixel unit, there are 7 nozzles not to beat the pixel unit
Print.Therefore it only needs to screen 5 times in this 12 times, substantially reduces the probability that defective nozzle works, reduce product
There is the probability of non-uniform phenomenon, improves the yield of product.
Referring to Fig. 4, Fig. 4 is the structure chart of the application inkjet-printing device 100.
The inkjet-printing device 100 includes contraposition module 701, print module 702, first movement module 703 and sieve
Modeling block 704.
The contraposition module 701 is used to for the target base plate 50 being set to the pre-determined bit of the inkjet-printing device 100
It sets.
The print module 702 is used for the spray head 20 of the inkjet-printing device 100 along first direction to the target
Multiple row pixel unit printing on substrate 50.
The first movement module 703 for moving the spray head 20 of the inkjet-printing device 100 in a second direction
It is dynamic.
The predetermined nozzle that the screening module 704 is used to screen in the spray head 20 carries out second to the target base plate 50
Secondary printing.
In the present embodiment, the first direction is the Y-direction in Fig. 2.
In the present embodiment, the second direction is the X-direction in Fig. 2.
The contraposition module includes fixed cell and bit cell.
The fixed cell is same as target base plate 50 being set on the inkjet-printing device 100, and is fixed on described
On the microscope carrier of inkjet-printing device 100, and construct printing environment；
The bit cell is for carrying out the spray head 20 of the inkjet-printing device 100 and the target base plate 50
Contraposition.
The inkjet-printing device 100 further includes the second mobile module (not shown)；
Second mobile module is used to complete first group of nozzle pair and first group of nozzle in the spray head 20
When corresponding first group of pixel unit 30 prints, the target base plate 50 is moved along first direction, makes first group of nozzle
It is corresponding with second group of pixel unit 40 of the target base plate 50.
Referring to Fig. 3, the spray head 20 includes M nozzles, the two neighboring nozzle in a second direction between
Away from for a, wherein a > 0, M >=2, M are positive integer.
Therefore when carrying out spray head 20 and the target base plate 50 aligns, the mainly described nozzle and the target base plate 50
On pixel unit aligned.Such as in Fig. 3, first group of nozzle is corresponding with first group of pixel unit 30.
When the spray head 20 completes the primary printing of respective column pixel unit, the spray head 20 moves one in a second direction
Fixed spacing.
In the present embodiment, it is b that the spray head 20 moves the spacing of a step-length in a second direction, wherein b > 0.
In order to guarantee the accuracy of inkjet printing, when being configured to step-length, guarantee the nozzle and the picture as far as possible
The center of plain unit is corresponding, avoids the occurrence of biggish printing error.
According to the mobile step-length of the spray head 20, it can be deduced that in the print procedure of a pixel unit, the picture
Plain unit is corresponding with the M*a/b nozzles, that is, has M*a/b nozzle to pass through the top of pixel unit.
Multiple nozzles pair in the print procedure of a pixel unit, in the pixel unit and the spray head 20
It answers, nozzle described in wherein at least one does not print the pixel unit.
Assuming that each pixel unit needs to print c times, then it can be concluded that a pixel unit print procedure
In, there are (the M*a/b)-c nozzles and the pixel unit is not printed, wherein c is positive integer.
Therefore the present embodiment can determine the nozzle without printing according to pre-set page order, reduce failure
Nozzle participates in the probability of printing.
It is illustrated below with specific embodiment.
Referring to Fig. 3, the spray head 20 includes 3*4 nozzle.
In the present embodiment, nozzle 1, nozzle 4, nozzle 7, nozzle 10 are located along the same line, nozzle 2, nozzle 5, nozzle
8, nozzle 11 is located along the same line, and nozzle 3, nozzle 6, nozzle 9, nozzle 12 are located along the same line.The two neighboring spray
The spacing of mouth in a second direction is a.The arrangement mode of nozzle described in every a line is not limited to the scheme of the present embodiment, such as sprays
Mouth 1, nozzle 4, nozzle 7, nozzle 10 can be located on an oblique line.
In the present embodiment, first group of nozzle (nozzle 1, nozzle 3, nozzle 5, nozzle 7, nozzle 9, nozzle 11) first and the
One group of pixel unit 30 is corresponding, and after completing primary printing, the target base plate 50 is mobile to Y-direction, so that first group of spray
Mouth is corresponding with second group of pixel unit 40, and prints to second group of pixel unit 40.Aforesaid operations are repeated, 6 column are completed
The printing of pixel unit.
Secondly, the spray head 20 moves a step-length b along first direction.
It is illustrated by taking b=a as an example below, i.e., the described mobile step-length b of spray head 20 and two neighboring nozzle are in second party
To spacing a it is equal.
When the spray head 20 moves a in a second direction, then second group of nozzle (nozzle 2, nozzle 4, nozzle 6, nozzle 8, spray
Mouth 10, nozzle 12) it is corresponding with the pixel unit of target base plate 50.At this point, in above-mentioned 6 nozzles, in fact it could happen that one or one
It is a that corresponding pixel unit is not printed with top nozzle.
In the print procedure of a pixel unit, which will be corresponding with 12 nozzles.If a pixel list
Member needs to print 5 times, then in the print procedure of a pixel unit, there are 7 nozzles not to beat the pixel unit
Print.Therefore it only needs to screen 5 times in this 12 times, substantially reduces the probability that defective nozzle works, reduce product
There is the probability of non-uniform phenomenon, improves the yield of product.
Present applicant proposes a kind of inkjet printing methods and device, which includes: that target base plate is arranged
In the predetermined position of inkjet-printing device；The spray head of the inkjet-printing device beat for the first time to target base plate along first direction
Print；The spray head of inkjet-printing device is moved in a second direction；The predetermined nozzle screened in spray head carries out second to target base plate
Secondary printing；Aforesaid operations are repeated, the printing of target base plate is completed.In the print procedure of a pixel unit, the pixel unit
Corresponding with multiple nozzles in spray head, wherein at least one nozzle does not print the pixel unit.The application is by subtracting
Little shower nozzle to increase nozzle quantity corresponding to pixel unit, and is carried out in the moving step length of second direction by random screening
The nozzle of printing reduces the probability that defective nozzle participates in printing, reduces product and the probability of non-uniform phenomenon occurs, improves product
Yield.
Although above preferred embodiment is not to limit in conclusion the application is disclosed above with preferred embodiment
The application processed, those skilled in the art are not departing from spirit and scope, can make various changes and profit
Decorations, therefore the protection scope of the application subjects to the scope of the claims.
Claims (10)
1. a kind of inkjet printing methods, which is characterized in that comprising steps of
S10, the predetermined position that target base plate is set to inkjet-printing device；
S20, the inkjet-printing device spray head along first direction to the target base plate carry out first time printing；
S30, the spray head of the inkjet-printing device is moved in a second direction；
Predetermined nozzle in S40, the screening spray head carries out second to the target base plate and prints；
S50, step S30 and S40 are repeated, completes the printing of the target base plate；
In the print procedure of a pixel unit, the pixel unit is corresponding with multiple nozzles in the spray head, wherein at least
One nozzle does not print the pixel unit.
2. inkjet printing methods according to claim 1, which is characterized in that
The spray head includes the M nozzles, and the spacing of the two neighboring nozzle in a second direction is a；
The spacing that the spray head moves a step-length in a second direction is b；
In the print procedure of a pixel unit, the pixel unit is corresponding with the M*a/b nozzles；
Wherein, a > 0, b > 0, M >=2, M are positive integer.
3. inkjet printing methods according to claim 2, which is characterized in that
Each pixel unit need to print c times；
In the print procedure of a pixel unit, (the M*a/b)-c nozzles do not print the pixel unit；
Wherein, c is positive integer.
4. inkjet printing methods according to claim 1, which is characterized in that
Step S10 includes:
S101, target base plate is set on the inkjet-printing device, and be fixed on the microscope carrier of the inkjet-printing device；
S102, the spray head of the inkjet-printing device is aligned with the target base plate.
5. inkjet printing methods according to claim 1, which is characterized in that
Step S20 includes:
S201, it is beaten using first group of nozzle pair, first group of pixel unit corresponding with first group of nozzle in the spray head
Print；
S202, the target base plate is moved along first direction, makes second group of first group of nozzle and the target base plate
Pixel unit is corresponding；
S203, first group of nozzle pair, second group of pixel unit corresponding with first group of nozzle in the spray head is utilized
Printing；
S204, step S202 and S203 are repeated, completes the printing of the corresponding multiple row pixel unit of first group of nozzle.
6. a kind of inkjet-printing device, which is characterized in that including contraposition module, print module, first movement module and screening
Module；
The contraposition module is used to for target base plate being set to the predetermined position of the inkjet-printing device；
The print module is used to the spray head of the inkjet-printing device carrying out first to the target base plate along first direction
Secondary printing；
The first movement module for moving the spray head of the inkjet-printing device in a second direction；
The screening module is used to screen the predetermined nozzle in the spray head and carries out second of printing to the target base plate；
In the print procedure of a pixel unit, the pixel unit is corresponding with multiple nozzles in the spray head, wherein at least
One nozzle does not print the pixel unit.
7. inkjet-printing device according to claim 6, which is characterized in that
The spray head includes the M nozzles, and the spacing of the two neighboring nozzle in a second direction is a；
The spacing that the spray head moves a step-length in a second direction is b；
In the print procedure of a pixel unit, the pixel unit is corresponding with the M*a/b nozzles；
Wherein, a > 0, b > 0, M >=2, M are positive integer.
8. inkjet-printing device according to claim 7, which is characterized in that
Each pixel unit need to print c times；
In the print procedure of a pixel unit, (the M*a/b)-c nozzles do not print the pixel unit；
Wherein, c is positive integer.
9. inkjet-printing device according to claim 6, which is characterized in that
The contraposition module includes fixed cell and bit cell；
The fixed cell is same as the target base plate being set on the inkjet-printing device, and is fixed on the ink-jet and beats
On the microscope carrier that printing equipment is set；
The bit cell is for aligning the spray head of the inkjet-printing device with the target base plate.
10. inkjet-printing device according to claim 6, which is characterized in that
The inkjet-printing device further includes the second mobile module；
First group of nozzle pair that second mobile module is used in the completion spray head is corresponding with first group of nozzle
When first group of pixel unit printing, the target base plate is moved along first direction, makes first group of nozzle and the target
Second group of pixel unit of substrate is corresponding.
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| CN201910271229.1A CN110014765A (en) | 2019-04-04 | 2019-04-04 | Inkjet printing methods and device |
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| CN201910271229.1A CN110014765A (en) | 2019-04-04 | 2019-04-04 | Inkjet printing methods and device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112895723A (en) * | 2021-01-18 | 2021-06-04 | 合肥京东方卓印科技有限公司 | Ink-jet printing device, method, computer equipment and storage medium |
| CN114536974A (en) * | 2022-02-14 | 2022-05-27 | 深圳市华星光电半导体显示技术有限公司 | Ink-jet printing device and ink-jet printing method thereof |
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| CN114536974A (en) * | 2022-02-14 | 2022-05-27 | 深圳市华星光电半导体显示技术有限公司 | Ink-jet printing device and ink-jet printing method thereof |
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Application publication date: 20190716 |