CN109130494A - A kind of OLED inkjet-printing device and the method to substrate progress inkjet printing - Google Patents
A kind of OLED inkjet-printing device and the method to substrate progress inkjet printing Download PDFInfo
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- CN109130494A CN109130494A CN201810941197.7A CN201810941197A CN109130494A CN 109130494 A CN109130494 A CN 109130494A CN 201810941197 A CN201810941197 A CN 201810941197A CN 109130494 A CN109130494 A CN 109130494A
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- inkjet
- ink
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- spray head
- cylinder
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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
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/0082—Digital printing on bodies of particular shapes
- B41M5/0088—Digital printing on bodies of particular shapes by ink-jet printing
Abstract
The invention discloses a kind of OLED inkjet-printing device and the methods for carrying out inkjet printing to substrate, are related to OLED inkjet printing technology field.The OLED inkjet-printing device includes spray head, ink donor unit and the movable part being all connected with the spray head and the ink donor unit, inkjet channel is equipped in the spray head, ink-feed channel is equipped in the ink donor unit, active tunnel is equipped in the movable part, the movable part can be relative to the spray head and/or the ink donor unit activity, with the activity of the movable part, the active tunnel can be connected to the inkjet channel and the ink-feed channel, or be disconnected at least one of the inkjet channel and the ink-feed channel.
Description
Technical field
The present invention relates to OLED inkjet printing technology field more particularly to a kind of OLED inkjet-printing device and to substrate into
The method of row inkjet printing.
Background technique
With the improvement of people ' s living standards and the development of technology, people are more next to the display quality requirement of display device
It is higher.OLED (Organic Light-Emitting Diode, Organic Light Emitting Diode) has self-luminous, wide viewing angle, almost
Infinite high contrast, compared with low power consumption, high reaction speed the advantages that, start to be received extensively.The main life of OLED at present
Production mode is vapor deposition, but its production capacity is low, is only applicable to small size, can not meet consumer demand, and inkjet printing technology has
There is the features such as low in cost, the finished product service life is long, suitable for large scale, is paid attention to by more and more producers.
OLED inkjet-printing device in the related technology has that technology is complicated, inkjet volume control difficulty is big,
Limit its development and application.
Summary of the invention
The embodiment of the present invention provides a kind of OLED inkjet-printing device and the method to substrate progress inkjet printing.
The embodiment of the present invention adopts the following technical scheme that
The embodiment of the invention provides a kind of OLED inkjet-printing device, including spray head, ink donor unit and with the spray
Head and the movable part that is all connected with of the ink donor unit are equipped with inkjet channel in the spray head, are equipped with ink supply in the ink donor unit
Channel, the movable part is interior to be equipped with active tunnel, and the movable part can be living relative to the spray head and/or the ink donor unit
Dynamic, with the activity of the movable part, the active tunnel can be connected to the inkjet channel and the ink-feed channel, or with
At least one of the inkjet channel and the ink-feed channel disconnect.
Optionally, the movable part is rotatablely connected with the spray head and the ink donor unit, and the movable part can be opposite
It is rotated in the spray head and the ink donor unit, with the rotation of the movable part, the active tunnel can be logical with the ink-jet
Road is connected to the ink-feed channel, or is disconnected at least one of the inkjet channel and the ink-feed channel.
Optionally, during the movable part rotates, the active tunnel is connected to always with the ink-feed channel.
Optionally, the movable part is cylinder, and the active tunnel is the centre bore of the cylinder, and the cylinder is close to institute
The one end fits for stating ink donor unit are inserted into the ink-feed channel, described in one end fits insertion of the cylinder close to the spray head
In slot on spray head, the inkjet channel penetrates through the side wall of the slot, and the cylinder is located on the barrel in the slot
Equipped with through-hole, with the rotation of the cylinder, the through-hole can be located at one end in the socket sidewalls with the inkjet channel
It docks or is staggered.
Optionally, the position that the barrel inner surface of the cylinder corresponds to the through-hole is equipped with circular groove, and the circle is recessed
The center line of slot is overlapped with the center line of the cylinder.
Optionally, the ink-feed channel and the cylinder are in junction rotatory sealing, and the slot and the cylinder are in institute
State junction equal rotatory sealing of the through-hole along cylinder extending direction two sides.
Optionally, the inkjet channel includes main channel, multiple subchannels and multiple inkjet mouths, multiple inkjet mouths
It is respectively positioned on the lower surface of the spray head, and is connected to the main channel, one end of multiple subchannels is logical with the master
Road connection, the other end penetrates through the side wall of the slot, and the through-hole is equal with the subchannel quantity, multiple through-holes with
Multiple subchannels penetrate through circumferential direction of the one end of the socket sidewalls along the cylinder and are uniformly distributed.
Optionally, the spray head includes the first part interconnected and second part, the main channel and multiple described
Inkjet mouth is set in the first part, and the main channel penetrates through and connect with the second part in the first part
Surface, the slot and multiple subchannels are set in the second part, and described in multiple subchannels penetrate through
The position being connect on second part with the main channel.
Optionally, multiple inkjet mouth rows are a row, and further including can be along horizontal perpendicular to the inkjet mouth orientation
Mobile Mobile base, the spray head and the ink donor unit are both secured on the Mobile base.
Optionally, the inkjet mouth is the big cone in the small inner end in outer end.
It optionally, further include servo motor of the coaxial sleeve outside the cylinder, the barrel outer surface of the cylinder and institute
The rotation output section for stating servo motor is connected by shaft coupling.
The embodiment of the invention also provides a kind of OLED inkjet-printing device using in above-mentioned technical proposal to substrate into
The method of row inkjet printing, when the spray head is fixed on the Mobile base, comprising the following steps: the Mobile base drives institute
It states spray head to move horizontally along the orientation perpendicular to the inkjet mouth, is respectively positioned on multiple inkjet mouths on the substrate
The top of same color sub-pix inkjet printing position；The servo motor drives the rotary drum, makes multiple through-holes
It docks the one end for penetrating through the socket sidewalls with multiple subchannels；When in the same color sub-pix ink-jet
When print position completes inkjet printing, the servo motor drives the rotary drum, make multiple through-holes with it is multiple described
One end that subchannel penetrates through the socket sidewalls is staggered；It repeats the above steps, until it is sub- to complete same color to the substrate
The inkjet printing of pixel.
Optionally, the spray head is driven to move horizontally along the orientation perpendicular to the inkjet mouth in the Mobile base
Meanwhile the servo motor drives the rotary drum, when multiple inkjet mouths are respectively positioned on the same color sub-pix spray
When the top of black print position, one end that multiple through-holes penetrate through the socket sidewalls with multiple subchannels is corresponded
Docking.
OLED inkjet-printing device provided in an embodiment of the present invention and the method that inkjet printing is carried out to substrate, due to including
Spray head, ink donor unit and the movable part being all connected with the spray head and the ink donor unit are logical equipped with ink-jet in the spray head
Road is equipped with ink-feed channel in the ink donor unit, is equipped with active tunnel in the movable part, the movable part can be relative to described
Spray head and/or the ink donor unit activity, with the activity of the movable part, the active tunnel can with the inkjet channel and
The ink-feed channel is connected to, or is disconnected at least one of the inkjet channel and the ink-feed channel, therefore, is actually answered
Spray head can be arranged in the top of substrate in, then control movable part activity, keep active tunnel and inkjet channel and ink supply logical
Road is connected to, at this point, the ink in ink-feed channel can flow into inkjet channel through active tunnel, and then is carried out ink-jet to substrate and is beaten
Print when (inkjet volume is enough) is completed in printing, then controls movable part activity, makes in active tunnel and inkjet channel and ink-feed channel
At least one disconnection, printing (stop ink-jet) can be stopped；OLED inkjet-printing device i.e. provided in an embodiment of the present invention is only
Need to control this parameter of time that active tunnel is connected to inkjet channel and ink-feed channel, i.e., controllable inkjet volume,
Therefore technically simple and inkjet volume control difficulty is small.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of OLED of embodiment of the present invention inkjet-printing device；
Fig. 2 is the cross-sectional view of Fig. 1；
Fig. 3 is the schematic diagram of cylinder in Fig. 2；
Fig. 4 is the partial enlarged view of Fig. 2；
Fig. 5 is the schematic diagram for carrying out inkjet printing to substrate using OLED of embodiment of the present invention inkjet-printing device.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that, term " center ", "upper", "lower", "front", "rear", " left side ",
The orientation or positional relationship of the instructions such as " right side ", "vertical", "horizontal", "top", "bottom", "inner", "outside" is based on the figure
Orientation or positional relationship is merely for convenience of description of the present invention and simplification of the description, rather than the device of indication or suggestion meaning or
Element must have a particular orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.
Term " first ", " second " be used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance or
Implicitly indicate the quantity of indicated technical characteristic." first " is defined as a result, the feature of " second " can be expressed or imply
Ground includes one or more of the features.In the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or
It is more than two.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be to be connected directly, the connection inside two elements can also be can be indirectly connected through an intermediary.For this field
For those of ordinary skill, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
Referring to figs. 1 to Fig. 4, the embodiment of the invention provides a kind of OLED inkjet-printing devices, including spray head 1, ink supply list
Member 2 and the movable part 3 that is all connected with spray head 1 and ink donor unit 2 are equipped with inkjet channel 11 in spray head 1, set in ink donor unit 2
There is ink-feed channel 21, active tunnel 31 is equipped in movable part 3, movable part 3 can be movable relative to spray head 1 and/or ink donor unit 2,
With the activity of movable part 3, active tunnel 31 can be connected to inkjet channel 11 and ink-feed channel 21, or with inkjet channel 11 and
At least one of ink-feed channel 21 disconnects.
OLED inkjet-printing device provided in an embodiment of the present invention, due to include spray head 1, ink donor unit 2 and with spray head 1
The movable part 3 being all connected with ink donor unit 2 is equipped with inkjet channel 11 in spray head 1, and ink-feed channel 21 is equipped in ink donor unit 2, living
Active tunnel 31 is equipped in moving part 3, movable part 3 can be relative to 2 activity of spray head 1 and/or ink donor unit, with the work of movable part 3
Dynamic, active tunnel 31 can be connected to inkjet channel 11 and ink-feed channel 21, or in inkjet channel 11 and ink-feed channel 21
At least one is disconnected, and therefore, spray head 1 can be arranged in the top of substrate in practical application, is then controlled 3 activity of movable part, is made
Active tunnel 31 is connected to inkjet channel 11 and ink-feed channel 21, at this point, the ink in ink-feed channel 21 can be logical through activity
Road 31 flows into inkjet channel 11 (flow direction that the arrow in Fig. 2 and Fig. 4 indicates ink), and then carries out inkjet printing to substrate, beats
When print completes (inkjet volume is enough), then 3 activity of movable part is controlled, makes active tunnel 31 and inkjet channel 11 and ink-feed channel 21
At least one of disconnect, printing (stop ink-jet) can be stopped；OLED inkjet-printing device i.e. provided in an embodiment of the present invention
Only need to control this parameter of time that active tunnel 31 is connected to inkjet channel 11 and ink-feed channel 21, i.e., controllable spray
Black volume, therefore technically simple and inkjet volume control difficulty is small.
Optionally, movable part 3 is rotatablely connected with spray head 1 and ink donor unit 2 in the present embodiment, at this point, movable part 3 can phase
Spray head 1 and ink donor unit 2 are rotated, with the rotation of movable part 3, active tunnel 31 can be with inkjet channel 11 and ink-feed channel
21 are connected to, or disconnect at least one of inkjet channel 11 and ink-feed channel 21；Certainly, movable part 3 can also with spray head 1 and
Ink donor unit 2 is slidably connected, at this point, movable part 3 can be slided relative to spray head 1 and ink donor unit 2, with the cunning of movable part 3
Dynamic, active tunnel 31 can be connected to inkjet channel 11 and ink-feed channel 21, or in inkjet channel 11 and ink-feed channel 21
At least one is disconnected；It is slided compared to movable part 3,3 original place of the movable part rotation of the present embodiment will not additionally occupy other spaces, from
And keep OLED inkjet-printing device the space occupied smaller.
Further, during movable part 3 rotates, active tunnel 31 is connected to always with ink-feed channel 21, is supplied as a result,
Ink in ink passage 21 can be without hindrance inflow active tunnel 31, when active tunnel 31 is connected to inkjet channel 11, activity
Ink in channel 31 can flow rapidly into inkjet channel 11 and carry out inkjet printing to substrate, so as to shorten inkjet printing
Response time.
Referring to Figure 2 to Figure 4, movable part 3 is cylinder, and active tunnel 31 is the centre bore of cylinder, and cylinder is close to ink donor unit 2
One end fits insertion ink-feed channel 21 in, cylinder close to spray head 1 one end fits insertion spray head 1 on slot 12 in, in this way
The rotation connection of cylinder and ink donor unit 2 and spray head 1 can be made more firm, inkjet channel 11 penetrates through the side wall of slot 12, cylinder position
It is equipped with through-hole 32 in the barrel in slot 12, with the rotation of cylinder, through-hole 32 can be located at 12 side of slot with inkjet channel 11
One end on wall docks or is staggered, and when through-hole 32, which is located at one end on 12 side wall of slot with inkjet channel 11, to be docked, activity is logical
Road 31 can be connected to inkjet channel 11, living when through-hole 32, which is located at one end on 12 side wall of slot with inkjet channel 11, to be staggered
Dynamic channel 31 can be disconnected with inkjet channel 11.
In order to avoid the effect of the ink delivery pressure influence of fluctuations inkjet printing of ink donor unit 2, the cylinder of cylinder in the present embodiment
The position that wall inner surface corresponds to through-hole 32 is equipped with circular groove 33, and the center line of circular groove 33 is overlapped with the center line of cylinder,
Ink enters in circular groove 33 and of short duration can store as a result, the circular groove 33 ink delivery pressure of ink donor unit 2 can be fluctuated into
Row buffering impacts the effect of inkjet printing so as to avoid the ink delivery pressure fluctuation of ink donor unit 2.
(21 inner surface of ink-feed channel is equipped with annular mounting groove 9, annular in junction rotatory sealing for ink-feed channel 21 and cylinder
Sealing ring 10 is installed in mounting groove 9), slot 12 and cylinder are rotated in through-hole 32 along the junction of cylinder extending direction two sides
(the barrel outer surface of cylinder is equipped with annular mounting groove 9 in the two sides of through-hole 32, is mounted in annular mounting groove 9 close for sealing
Seal 10), it thus can prevent ink from revealing from ink-feed channel 21 with the junction of cylinder and from the opening of slot 12, simultaneously
Can prevent from entering from active tunnel 31 ink of slot 12 by the gap between 12 side wall of cylinder barrel outer surface and slot into
The problem of entering inkjet channel 11, and then influencing inkjet volume.
Referring to Fig. 4, inkjet channel 11 includes main channel 111, multiple subchannels 112 and multiple inkjet mouths 113, multiple sprays
Black mouth 113 is respectively positioned on the lower surface of spray head 1, and is connected to main channel 111, and one end of multiple subchannels 112 is and main channel
111 connections, the other end penetrates through the side wall of slot 12, and through-hole 32 is equal with 112 quantity of subchannel, multiple through-holes 32 and multiple
One end that channel 112 penetrates through 12 side wall of slot is uniformly distributed along the circumferential direction of cylinder, and rotary drum can make multiple through-holes 32 as a result,
It docks or is staggered with one end of multiple subchannels 112 perforation 12 side wall of slot, when corresponding docking, activity is logical
Ink in road 31 can pass sequentially through multiple through-holes 32 and multiple subchannels 112 flow into main channel 111, then pass through multiple ink-jets
Mouthfuls 113 flow out, can reduce in this way ink from cylinder enter main channel 111 during flow resistance, to make the flowing of ink
It is more smooth.
In order to facilitate the processing of main channel 111 and multiple subchannels 112, spray head 1 includes interconnecting (to show in the present embodiment
Example is welding) first part A and second part B, main channel 111 and multiple inkjet mouths 113 be set in first part A, and
Main channel 111 penetrates through the surface connecting on first part A with second part B, and slot 12 and multiple subchannels 112 are set to second
In the B of part, and multiple subchannels 112 penetrate through the position connecting on second part B with main channel 111, thus can be first
Main channel 111 is processed on a part of A, multiple subchannels 112 is processed on second part B, then again by first part A and second
Part B connection, to facilitate the processing of main channel 111 and multiple subchannels 112.
Multiple 113 rows of inkjet mouth be a row, structure can be made simpler in this way, facilitate maintenance and it is at low cost, at this point, OLED
Inkjet-printing device further includes can be along the Mobile base 4 moved horizontally perpendicular to 113 orientation of inkjet mouth, spray head 1 and ink supply list
Member 2 is fixed on Mobile base 4 by bracket C, drives 1 movement of spray head that can be sprayed by row on substrate by Mobile base 4
Ink printing.
In some embodiments of the invention, inkjet mouth 113 is that outer end (one end far from main channel 111) small inner end (is leaned on
One end of nearly main channel 111) big cone, compared to cylinder, the present embodiment can reduce ink-jet area, to promote ink-jet essence
Degree.The diameter of inkjet mouth 113 equal diameter can be carried out according to inkjet volume demand and non-equal diameter designs, due to the ink sprayed every time
Water volume is very small relative to the volume of main channel 111, therefore the ink pressure of multiple inkjet mouths 113 is consistent, and works as inkjet mouth
When 113 diameters are consistent, the ink volume sprayed every time is consistent.
Referring to Figures 1 and 2, the OLED inkjet-printing device of the present embodiment further includes the servo electricity that coaxial sleeve is set to outside cylinder
Machine 5, the barrel outer surface of cylinder connect with the rotation output section 51 of servo motor 5 by shaft coupling 6, as a result, servo motor 5
Rotary drum can be driven by shaft coupling 6 by rotating the rotation of output section 51, and the revolving speed of servo motor 5 is adjustable so that inkjet volume can
Accurate control, revolving speed is bigger, and the time that through-hole 32 is connected to one end that inkjet channel 11 penetrates through 12 side wall of slot is shorter, ink-jet body
Long-pending then smaller, revolving speed is smaller, and the time that through-hole 32 is connected to one end that inkjet channel 11 penetrates through 12 side wall of slot is longer, ink-jet body
It is long-pending then bigger.It can also be by changing the accomplished in many ways ink-jet such as the quantity of through-hole 32 and the diameter of diameter and inkjet mouth 113
The accurate control and adjusting of volume.
The embodiment of the invention also provides it is a kind of using OLED inkjet-printing device described in above-described embodiment to substrate 7 into
The method of row inkjet printing, when spray head 1 is fixed on Mobile base 4, comprising the following steps: Mobile base 4 drives spray head 1 along vertical
(as shown by the arrow in Figure 5) is moved horizontally in the orientation of inkjet mouth 113, is respectively positioned on multiple inkjet mouths 113 on substrate 7
Same color sub-pix inkjet printing position top, at this point, the distance between two neighboring inkjet mouth 113 on substrate 7
The distance between two same color sub-pixes 8 are consistent；Servo motor 5 drives rotary drum, makes multiple through-holes 32 and multiple
One end that channel 112 penetrates through 12 side wall of slot corresponds docking, and the ink in active tunnel 31 can pass sequentially through multiple logical
Hole 32 and multiple subchannels 112 flow into main channel 111, then the same color Asia picture by multiple inkjet mouths 113 on substrate 7
Plain inkjet printing position carries out inkjet printing (spray head 1 can be moved along the length direction of sub-pix in print procedure, can also be motionless)；
When completing inkjet printing in same color sub-pix inkjet printing position, servo motor 5 drives rotary drum, makes multiple through-holes
32 one end for penetrating through 12 side wall of slot with multiple subchannels 112 are staggered, to stop inkjet printing, (ink cannot be introduced into ink-jet
Channel 11, inkjet channel 11 are in state of pressure keeping because no ambient pressure solution enters, and inkjet channel 11 will no longer spray at this time
Ink)；It repeats the above steps, until completing the inkjet printing of same color sub-pix to substrate 7；The sub-pix of other colors is then
Inkjet printing is carried out by other set OLED inkjet-printing device.The embodiment of the present invention only needs to control active tunnel 31 and spray
This parameter of time that ink passage 11 is connected to ink-feed channel 21, i.e., controllable inkjet volume, therefore technically simple and spray
The control difficulty of black volume is small.
Optionally, it while Mobile base 4 drives spray head 1 to move horizontally along the orientation perpendicular to inkjet mouth 113, watches
It takes motor 5 and drives rotary drum, when multiple inkjet mouths 113 are respectively positioned on the top of same color sub-pix inkjet printing position,
Multiple through-holes 32 are docked with one end of multiple subchannels 112 perforation 12 side wall of slot, can save the time in this way, thus
Promote the efficiency of inkjet-printing device.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (13)
1. a kind of OLED inkjet-printing device, which is characterized in that including spray head, ink donor unit and with the spray head and the confession
The movable part that black unit is all connected with is equipped with inkjet channel in the spray head, is equipped with ink-feed channel, the work in the ink donor unit
Active tunnel is equipped in moving part, the movable part can be relative to the spray head and/or the ink donor unit activity, with the work
The activity of moving part, the active tunnel can be connected to the inkjet channel and the ink-feed channel, or with the inkjet channel
It is disconnected at least one of the ink-feed channel.
2. OLED inkjet-printing device according to claim 1, which is characterized in that the movable part and the spray head and institute
It states ink donor unit to be rotatablely connected, the movable part can be rotated relative to the spray head and the ink donor unit, with the work
The rotation of moving part, the active tunnel can be connected to the inkjet channel and the ink-feed channel, or with the inkjet channel
It is disconnected at least one of the ink-feed channel.
3. OLED inkjet-printing device according to claim 2, which is characterized in that in the process of movable part rotation
In, the active tunnel is connected to always with the ink-feed channel.
4. OLED inkjet-printing device according to claim 3, which is characterized in that the movable part is cylinder, the work
Dynamic channel is the centre bore of the cylinder, and the cylinder is inserted into the ink-feed channel close to the one end fits of the ink donor unit
In, the cylinder is inserted into the slot on the spray head close to the one end fits of the spray head, described in the inkjet channel perforation
The side wall of slot, the cylinder are located at the barrel in the slot equipped with through-hole, with the rotation of the cylinder, the through-hole
One end in the socket sidewalls can be located at the inkjet channel to dock or be staggered.
5. OLED inkjet-printing device according to claim 4, which is characterized in that the barrel inner surface of the cylinder is corresponding
The position of the through-hole is equipped with circular groove, and the center line of the circular groove is overlapped with the center line of the cylinder.
6. OLED inkjet-printing device according to claim 4, which is characterized in that the ink-feed channel and the cylinder exist
Junction rotatory sealing, the slot are revolved in the through-hole along the junction of cylinder extending direction two sides with the cylinder
Turn sealing.
7. OLED inkjet-printing device according to claim 4, which is characterized in that the inkjet channel include main channel,
Multiple subchannels and multiple inkjet mouths, multiple inkjet mouths are respectively positioned on the lower surface of the spray head, and logical with the master
Road connection, one end of multiple subchannels are connected to the main channel, and the other end penetrates through the side wall of the slot, described
Through-hole is equal with the subchannel quantity, and one end that multiple through-holes and multiple subchannels penetrate through the socket sidewalls is equal
Circumferential direction along the cylinder is uniformly distributed.
8. OLED inkjet-printing device according to claim 7, which is characterized in that the spray head includes the interconnected
A part and second part, the main channel and multiple inkjet mouths are set in the first part, and the main channel
The surface connecting in the first part with the second part is penetrated through, the slot and multiple subchannels are set to described
In second part, and multiple subchannels penetrate through the position connecting on the second part with the main channel.
9. OLED inkjet-printing device according to claim 7, which is characterized in that multiple inkjet mouth rows are a row,
Further including can be along the Mobile base moved horizontally perpendicular to the inkjet mouth orientation, and the spray head and the ink donor unit are solid
Due on the Mobile base.
10. OLED inkjet-printing device according to claim 7, which is characterized in that the inkjet mouth is the small inner end in outer end
Big cone.
11. the OLED inkjet-printing device according to any one of claim 4~10, which is characterized in that further include coaxial
The servo motor being sheathed on outside the cylinder, the barrel outer surface of the cylinder pass through with the rotation output section of the servo motor
Shaft coupling connection.
12. a kind of method that OLED inkjet-printing device using described in claim 11 carries out inkjet printing to substrate, special
Sign is, when the spray head is fixed on the Mobile base, comprising the following steps:
The Mobile base drives the spray head to move horizontally along the orientation perpendicular to the inkjet mouth, makes multiple ink-jets
Mouth is respectively positioned on the top of the same color sub-pix inkjet printing position on the substrate；
The servo motor drives the rotary drum, and multiple through-holes and multiple subchannels is made to penetrate through the socket side
One end of wall corresponds docking；
When completing inkjet printing in the same color sub-pix inkjet printing position, the servo motor drives the cylinder
Rotation, the one end for making multiple through-holes penetrate through the socket sidewalls with multiple subchannels is staggered；
It repeats the above steps, until completing the inkjet printing of same color sub-pix to the substrate.
13. the method according to claim 12 for carrying out inkjet printing to substrate, which is characterized in that in the Mobile base band
While moving the spray head and move horizontally along the orientation perpendicular to the inkjet mouth, the servo motor drives the cylinder
Rotation, it is multiple described logical when multiple inkjet mouths are respectively positioned on the top of the same color sub-pix inkjet printing position
It is docked with one end that multiple subchannels penetrate through the socket sidewalls in hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201810941197.7A CN109130494B (en) | 2018-08-17 | 2018-08-17 | A kind of OLED inkjet-printing device and the method to substrate progress inkjet printing |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810941197.7A CN109130494B (en) | 2018-08-17 | 2018-08-17 | A kind of OLED inkjet-printing device and the method to substrate progress inkjet printing |
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| CN109130494A true CN109130494A (en) | 2019-01-04 |
| CN109130494B CN109130494B (en) | 2019-11-05 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023012084A1 (en) | 2021-08-02 | 2023-02-09 | Merck Patent Gmbh | A printing method by combining inks |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2719415Y (en) * | 2002-03-06 | 2005-08-24 | 精工爱普生株式会社 | Liquid material ejecting apparatus |
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| CN2719415Y (en) * | 2002-03-06 | 2005-08-24 | 精工爱普生株式会社 | Liquid material ejecting apparatus |
| CN1701641A (en) * | 2002-09-24 | 2005-11-23 | 夏普株式会社 | Method and apparatus for manufacturing active-matrix organic EL display, active-matrix organic EL display, method for manufacturing liquid crystal array, liquid crystal array, method and apparatus for |
| CN103917303A (en) * | 2011-11-07 | 2014-07-09 | 株式会社爱发科 | Inkjet device and droplet-measurement method |
| US20150072458A1 (en) * | 2012-06-06 | 2015-03-12 | Panasonic Corporation | Inkjet device and manufacturing method for organic el device |
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| CN109130494B (en) | 2019-11-05 |
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