CN1511707A - Color ink bubble removing device and method for organic electric exciting luminous element ink-jet preparation - Google Patents
Color ink bubble removing device and method for organic electric exciting luminous element ink-jet preparation Download PDFInfo
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- CN1511707A CN1511707A CNA021608245A CN02160824A CN1511707A CN 1511707 A CN1511707 A CN 1511707A CN A021608245 A CNA021608245 A CN A021608245A CN 02160824 A CN02160824 A CN 02160824A CN 1511707 A CN1511707 A CN 1511707A
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Abstract
The color ink bubble removing device includes one ink supplying tank to provide ink; one buffering tank with adjustable air exhaust port to hold ink the ink supplying tank provides and remove bubble from the ink via the adjustable air exhaust port; one air pumping unit connected to the adjustable air exhaust port to pump out bubble from the ink inside the buffering tank; one ink jet head to jet ink, and ink conveying pipeline to connect the ink supplying tank and the buffering tank and connect the buffering tank and the ink jet head. The buffering tank is located between the ink supplying tank and the ink jet head.
Description
Technical field
The present invention relates to a kind of look China ink bubble and remove apparatus and method, refer to that especially a kind of look China ink bubble of organic electroluminescent element ink-jet processing procedure that is applicable to removes apparatus and method.
Background technology
Because the fast development of computer Related product, flat-panel screens have become the main flow that present screen shows.And organic electric exciting light-emitting diode (OLED) because simple in structure, processing procedure is easy, drive current potential low, no visual angle restriction, and is beneficial to the application of full-color display, is the new trend that develops of flat-panel screens at present.OLED is with the single layer structure element of conjugated polymer as organic film material, and its main process technique is in rotation coating (Spin coating) or ink jet printing (Ink jet printing) mode conjugate polymer material to be applied on the substrate; And, be present the most frequently used also one of most important processing procedure of OLED wherein with the most suitable large scale of ink jet printing mode and a large amount of production.Therefore, the control for the ink jet printing process quality also is a considerable step in the OLED manufacturing process.
The relevant general employed ink discharge device of OLED ink-jet processing procedure please refer to Fig. 1, and it comprises an ink feed groove 100 and an ink gun 300, and the centre is connected with a feed-line 200.In the ink stowing operation, regular meeting produces numerous air-bubble, and this bubble then can be because of pressure factor be squeezed in the nozzle of ink gun, and stops up ink gun, or makes drop deformation, cause black drop to drop down onto substrate after, can't form a uniform polymeric membrane.Present employed method is to clean ink gun with the macromolecule ink, and the bubble in the pipeline is discharged.But this meeting of action consumes a large amount of inks, and begins to begin operation after must waiting for the ink discharge that contains bubble, and required quantity of ink of uncontrollable making and Production Time, increase processing procedure cost is not a good solution.
Summary of the invention
Main purpose of the present invention is to provide a kind of look China ink bubble of organic electroluminescent element ink-jet processing procedure to remove device, can reduce the bubble in the ink, improves the uniformity that ink is sprayed on panel.
Another object of the present invention is to provide a kind of look China ink bubble of organic electroluminescent element ink-jet processing procedure to remove apparatus and method,, save the processing procedure cost can effectively remove the bubble in the ink.For achieving the above object, a kind of ink discharge device that is used for organic electroluminescent element ink-jet processing procedure provided by the invention comprises:
One ink feed groove is to provide the ink-jet processing procedure required ink;
One has the dashpot of adjustable exhaust outlet, and with the ccontaining ink that is provided by the ink feed groove, and the bubble in this ink can be discharged by this adjustable exhaust outlet;
One unit of bleeding is connected with adjustable exhaust outlet on this dashpot, extracts out with the bubble that the dashpot ink inside is contained;
One ink gun is to spray this ink; And
At least one ink transport pipeline links this ink feed groove and this dashpot, and this dashpot and this ink gun;
Wherein, this dashpot is between this ink feed groove and this ink gun.
Wherein the ink height in this dashpot is higher than the height of pipeline between this dashpot and this ink gun.
Wherein this ink is for being the ink of solvent with water, dimethylbenzene, toluene and methyl phenyl ethers anisole.
Wherein the ink transport pipeline between this ink feed groove and this dashpot has at least one switch, with the discharging of control ink.
Wherein the ink transport pipeline between this dashpot and this ink gun has at least one switch, with the discharging of control ink.
Also comprise at least one pressue device, ink is injected this dashpot or this ink gun to exert pressure.
Wherein this dashpot also comprises a plurality of demarcation strips.
A kind of organic electroluminescent element ink-jet processing procedure provided by the invention removes the method for bubble, cooperates an ink discharge device to use, and comprises the following step:
(a) provide one to have dashpot, the unit of bleeding that is connected with this dashpot exhaust outlet that an ink feed groove, a top have adjustable exhaust outlet, and the ink discharge device of an ink gun, wherein this ink feed groove is connected with feed-line and this dashpot with switch, this dashpot also is connected with feed-line and this ink gun with switch, and this dashpot is between this ink feed groove and this ink gun;
(b) close switch between dashpot and the ink gun, afterwards ink is drained in this dashpot by this ink feed groove, and open the unit of bleeding, the bubble in the ink is extracted out;
(c) close switch between ink feed groove and the dashpot, continue to bleed; And
(d) treat that ink in the dashpot is removed bubble fully after, close the unit of bleeding, and open the switch between dashpot and the ink gun, the ink of removing bubble is drained in this ink gun by this dashpot, carry out ink-jet.
Wherein this ink discharge device also comprises at least one pressue device, to exert pressure ink is injected this dashpot or this ink gun.
Wherein this ink is for being the ink of solvent with water, dimethylbenzene, toluene and methyl phenyl ethers anisole.
Wherein this dashpot also comprises a plurality of demarcation strips.
Wherein the ink height in this dashpot is higher than the height of pipeline between this dashpot and this ink gun.
Description of drawings
Fig. 1 removes the device schematic diagram for the employed look China ink of known OLED ink jet printing processing procedure bubble.
Fig. 2 removes the schematic diagram of the preferable example of device for look China ink bubble of the present invention.
Fig. 3 removes the schematic diagram of another preferable example of device for look China ink bubble of the present invention.
Fig. 4 removes the schematic diagram of another preferable example of device for look China ink bubble of the present invention.
Fig. 5 removes the schematic diagram of another preferable example of device for look China ink bubble of the present invention.
Fig. 6 removes the flow chart of method for look China ink bubble of the present invention.
The specific embodiment
The invention provides a kind of device that is applicable to that look China ink bubble removes in the organic electroluminescent element ink-jet processing procedure.Mainly between ink feed groove and ink gun, add a dashpot and with the adjustable exhaust outlet unit of bleeding, make ink in leaving standstill herein, the bubble in the ink is risen by buoyancy and discharges, or provides a reduced pressure atmosphere by bleeding, and forces bubble to discharge.Contact the preferable height that is higher than pipeline between this dashpot and this ink gun of ink height in this dashpot again with air for fear of the ink of discharging by dashpot.The employed ink kind of above-mentioned processing procedure is unrestricted, and being preferably with water, dimethylbenzene, toluene and methyl phenyl ethers anisole is the ink of solvent.Ink transport pipeline kind used in the present invention is unrestricted, and preferable have at least one switch between ink feed groove and dashpot, and has at least one switch between dashpot and the ink gun, with the discharging of control ink.The present invention more can optionally comprise at least one pressue device, provides pressure that ink is injected this dashpot or this ink gun.Dashpot of the present invention can optionally comprise a plurality of demarcation strips, and this dashpot is isolated into several open chamber, to increase the chance that ink flows, helps to remove bubble.
The present invention also provides a kind of organic electroluminescent element ink-jet processing procedure to remove the method for bubble, cooperates an ink discharge device to use, and its operating procedure is as follows: at first, provide as mentioned above a look China ink bubble to remove device and use.Afterwards, close the switch between dashpot and the ink gun, and ink is drained in this dashpot by this ink feed groove, and open the unit of bleeding, the bubble in the ink is extracted out.Now is closed the switch between ink feed groove and the dashpot, continues to bleed.After treating that ink in the dashpot is removed bubble fully, close the unit of bleeding, and open the switch between dashpot and the ink gun, the ink of removing bubble is drained in this ink gun by this dashpot, carry out ink-jet.
For more understanding technology contents of the present invention, be described as follows especially exemplified by the number preferred embodiment.
Embodiment 1
Please refer to Fig. 2, remove the schematic diagram of the preferable example of device for organic electroluminescent element ink-jet processing procedure look China ink bubble of the present invention.This device comprises the feed-line 240 of an ink feed groove 210, a dashpot 220, an ink gun 230, a connection ink feed groove 210 and dashpot 220, and the feed-line 250 of a connection dashpot 220 and ink gun 230; Wherein, this dashpot 220 is between ink feed groove 210 and this ink gun 230; And the horizontal level of this feed-line 240 is higher than feed-line 250.Above-mentioned dashpot 220 tops have an adjustable opening 221, and with the usefulness of supplied gas discharge, and these switch 221 places add the unit 270 of bleeding.This feed-line 240 has a switch 241 near dashpot 210 places, and this feed-line 250 also has a switch 251 near dashpot 210 places, continues or suspend the control of carrying for ink.
The look China ink bubble of present embodiment removes method as shown in Figure 6.When carrying out the ink-jet processing procedure, close switch 251 earlier, and open switch 241 and 221, ink is discharged by ink feed groove 210, be delivered to dashpot 220 via feed-line 240; At this moment, the ink that is given off by ink feed groove 210 still contains numerous air-bubble, therefore is disposed to dashpot 210 earlier, and opens the unit 270 of bleeding, and the bubble in the ink is extracted out.Be noted that the liquid level of dashpot ink inside must be higher than pipeline 250, so, just can avoid having air to enter in the feed-line 250 again when ink is fills up to ink gun.Afterwards, close switch 241 again, continue to bleed, the bubble in the ink can be removed fully.After treating that bubble in the ink is removed fully, close air extractor 270 and switch 221, and open switch 251, the ink that utilizes pressue device (not showing on the figure) will remove bubble injects ink gun 230, carry out the ink-jet processing procedure, ink evenly is sprayed on the substrate 260.
Just can fully the bubble in the ink be removed in this way, not have the situation that ink gun is blocked by bubble, ink can evenly be sprayed on the substrate.
Embodiment 2
Please refer to Fig. 3, remove the schematic diagram of another preferable example of device for organic electroluminescent element ink-jet processing procedure look China ink bubble of the present invention.This device comprises an ink feed groove 310, a three way type dashpot 320, an ink gun 330, and the feed-line 340 of a connection ink feed groove 310, dashpot 320 and ink gun 330; Wherein, this dashpot 320 is between this ink feed groove 310 and this ink gun 330.Above-mentioned dashpot 320 tops have an adjustable opening 321, with the usefulness of supplied gas discharge; And this switch 321 adds a bleed unit 360 or connect a nitrogen environment (on the figure show).
When carrying out the ink-jet processing procedure, ink is discharged by ink feed groove 310, is delivered to dashpot 320 via feed-line 340; At this moment, open switch 221 simultaneously, treat can discharge thus after bubble rises to liquid level, open the switch 321 on the dashpot 320 and the unit 360 of bleeding this moment, ink just can stay in earlier in the dashpot 320, and can directly not drain into ink gun.The ink that stay in the dashpot 320 this moment still contains numerous air-bubble, therefore, is statically placed in this and makes bubble have the enough time to be risen by buoyancy, and cause a subnormal ambient by bleeding, and forces bubble acceleration discharge in the ink.After treating that bubble in the ink is discharged fully, close on the dashpot 320 switch 321 with bleed unit 360, at this moment, the ink of having removed bubble just can continue to inject ink gun 330, and ink evenly is sprayed on the substrate 350.
Embodiment 3
Please refer to Fig. 4, remove the schematic diagram of another preferable example of device for organic electroluminescent element ink-jet processing procedure look China ink bubble of the present invention.Present embodiment is roughly as embodiment 1, and difference is that dashpot 220 inside are provided with several demarcation strips 225, and dashpot 220 is separated into several open chamber, increases the chance that ink flows, to help to remove bubble.
Embodiment 4
Please refer to Fig. 5, remove the schematic diagram of another preferable example of device for organic electric-excitation luminescent ink-jet processing procedure look China ink bubble of the present invention.Present embodiment is roughly as embodiment 3, and difference is in dashpot 220 tops and is provided with several unit 270 of bleeding, and has more quickened the discharge of bubble in the ink.
As shown in the above description, device utilization used herein is provided with a dashpot between ink feed groove and ink gun, an environment that removes bubble is provided, can control and make the ink transport of removing bubble to ink-jet place, do not have bubble and block the nozzle of ink gun, and cause the phenomenon that ink-jet is inhomogeneous or drop deformation spreads, OLED ink-jet process quality is significantly promoted, and then panel defect is reduced, making yield increases.In addition, apparatus and method used in the present invention just removed the bubble in the ink to ink gun in filling ink, therefore, just can omit the step of the ink discharge that will contain bubble when carrying out the ink-jet processing procedure, need not spend over head time, can control the processing procedure required time fully; Also do not need to expend ink more and remove bubble on the ink gun, quite save processing procedure must ink and cost of manufacture.
It should be noted that above-mentioned many embodiment give an example for convenience of explanation, the interest field that the present invention advocated should be as the criterion so that claim is described certainly, but not only limits to the foregoing description.
Claims (12)
1, a kind of look of organic electroluminescent element ink-jet processing procedure China ink bubble removes device, comprises:
One ink feed groove is to provide the ink-jet processing procedure required ink;
One has the dashpot of adjustable exhaust outlet, and with the ccontaining ink that is provided by the ink feed groove, and the bubble in this ink can be discharged by this adjustable exhaust outlet;
One unit of bleeding is connected with adjustable exhaust outlet on this dashpot, extracts out with the bubble that the dashpot ink inside is contained;
One ink gun is to spray this ink; And
At least one ink transport pipeline links this ink feed groove and this dashpot, and this dashpot and this ink gun;
Wherein, this dashpot is between this ink feed groove and this ink gun.
2, look China ink bubble as claimed in claim 1 removes device, it is characterized in that wherein the ink height in this dashpot is higher than the height of pipeline between this dashpot and this ink gun.
3, look as claimed in claim 1 China ink bubble removes device, it is characterized in that, wherein this ink is for being the ink of solvent with water, dimethylbenzene, toluene and methyl phenyl ethers anisole.
4, look China ink bubble as claimed in claim 1 removes device, it is characterized in that wherein the ink transport pipeline between this ink feed groove and this dashpot has at least one switch, with the discharging of control ink.
5, look China ink bubble as claimed in claim 1 removes device, it is characterized in that wherein the ink transport pipeline between this dashpot and this ink gun has at least one switch, with the discharging of control ink.
6, look China ink bubble as claimed in claim 1 removes device, it is characterized in that, also comprises at least one pressue device, to exert pressure ink is injected this dashpot or this ink gun.
7, look China ink bubble as claimed in claim 1 removes device, it is characterized in that wherein this dashpot also comprises a plurality of demarcation strips.
8, a kind of organic electroluminescent element ink-jet processing procedure removes the method for bubble, cooperates an ink discharge device to use, and comprises the following step:
(a) provide one to have dashpot, the unit of bleeding that is connected with this dashpot exhaust outlet that an ink feed groove, a top have adjustable exhaust outlet, and the ink discharge device of an ink gun, wherein this ink feed groove is connected with feed-line and this dashpot with switch, this dashpot also is connected with feed-line and this ink gun with switch, and this dashpot is between this ink feed groove and this ink gun;
(b) close switch between dashpot and the ink gun, afterwards ink is drained in this dashpot by this ink feed groove, and open the unit of bleeding, the bubble in the ink is extracted out;
(c) close switch between ink feed groove and the dashpot, continue to bleed; And
(d) treat that ink in the dashpot is removed bubble fully after, close the unit of bleeding, and open the switch between dashpot and the ink gun, the ink of removing bubble is drained in this ink gun by this dashpot, carry out ink-jet.
9, the bubble method that removes as claimed in claim 8 is characterized in that wherein this ink discharge device also comprises at least one pressue device, to exert pressure ink is injected this dashpot or this ink gun.
10, the bubble method that removes as claimed in claim 8 is characterized in that, wherein this ink is for being the ink of solvent with water, dimethylbenzene, toluene and methyl phenyl ethers anisole.
11, the bubble method that removes as claimed in claim 8 is characterized in that wherein this dashpot also comprises a plurality of demarcation strips.
12, the bubble method that removes as claimed in claim 8 is characterized in that, wherein the ink height in this dashpot is higher than the height of pipeline between this dashpot and this ink gun.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA021608245A CN1511707A (en) | 2002-12-30 | 2002-12-30 | Color ink bubble removing device and method for organic electric exciting luminous element ink-jet preparation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA021608245A CN1511707A (en) | 2002-12-30 | 2002-12-30 | Color ink bubble removing device and method for organic electric exciting luminous element ink-jet preparation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1511707A true CN1511707A (en) | 2004-07-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA021608245A Pending CN1511707A (en) | 2002-12-30 | 2002-12-30 | Color ink bubble removing device and method for organic electric exciting luminous element ink-jet preparation |
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| CN (1) | CN1511707A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101648461B (en) * | 2008-08-15 | 2011-07-27 | 鸿富锦精密工业（深圳）有限公司 | Bubble removal system and bubble removal method |
-
2002
- 2002-12-30 CN CNA021608245A patent/CN1511707A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101648461B (en) * | 2008-08-15 | 2011-07-27 | 鸿富锦精密工业（深圳）有限公司 | Bubble removal system and bubble removal method |
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