CN110271297B - Ink-jet printing system, ink-jet printing method and display panel - Google Patents
Ink-jet printing system, ink-jet printing method and display panel Download PDFInfo
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- CN110271297B CN110271297B CN201910673307.0A CN201910673307A CN110271297B CN 110271297 B CN110271297 B CN 110271297B CN 201910673307 A CN201910673307 A CN 201910673307A CN 110271297 B CN110271297 B CN 110271297B
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- gel material
- pressure
- pressure device
- temporary storage
- gel
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/17—Ink jet characterised by ink handling
- B41J2/175—Ink supply systems ; Circuit parts therefor
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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
- B41J3/4073—Printing on three-dimensional objects not being in sheet or web form, e.g. spherical or cubic objects
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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
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K71/00—Manufacture or treatment specially adapted for the organic devices covered by this subclass
- H10K71/10—Deposition of organic active material
- H10K71/12—Deposition of organic active material using liquid deposition, e.g. spin coating
- H10K71/13—Deposition of organic active material using liquid deposition, e.g. spin coating using printing techniques, e.g. ink-jet printing or screen printing
- H10K71/135—Deposition of organic active material using liquid deposition, e.g. spin coating using printing techniques, e.g. ink-jet printing or screen printing using ink-jet printing
Abstract
The embodiment of the application provides an ink-jet printing system, an ink-jet printing method and a display panel, wherein the ink-jet printing system comprises a gel material container, a gel material temporary storage container, a first pressure device, a spray head assembly and a second pressure device, the gel material container is used for containing gel materials, the gel material temporary storage container is used for temporarily storing the gel materials, the first pressure device is arranged between the gel material container and the gel material temporary storage container, the spray head assembly is used for spraying the gel materials, the second pressure device is arranged between the gel material temporary storage container and the spray head assembly, the first pressure device and the second pressure device form a pressure difference so that the gel material is input into the gel temporary storage container from the gel material container, the gel temporary storage container is input into the spray head assembly, and the gel material is sprayed through the spray head assembly. The embodiment of the application can realize the ink-jet printing of the gel material with higher viscosity.
Description
Technical Field
The present disclosure relates to a display panel, and more particularly to an inkjet printing system and an inkjet printing method.
Background
Organic electroluminescent Display (Organic L light Emitting Display, O L ED) has become a novel Display device with the most potential in recent years due to its advantages of self-luminescence, all solid state, high contrast, etc., wherein a method of preparing a corresponding device by inkjet printing is receiving attention due to its high material utilization.
After ink jet printing, since the film layer at the edge of the pixel is easily formed to be thicker than the film layer at the center during the film forming and drying process, this situation easily affects the uniformity of pixel luminescence and also affects the service life of the organic electroluminescent device. The increase of the viscosity of the gel sprayed in the ink-jet printing can weaken the phenomenon that the edge film layer of the pixel is thicker than the central film layer easily formed in the film-forming drying process. However, existing ink jet printing systems are not suitable for gels having a relatively high viscosity.
Therefore, providing an inkjet printing system that realizes a gel material with a higher viscosity becomes a technical problem to be solved by those skilled in the art.
Disclosure of Invention
The embodiment of the application provides an ink jet printing system, an ink jet printing method and a display panel. Ink jet printing of more viscous gel materials can be achieved.
An embodiment of the present application provides an inkjet printing system, including:
a gel material container for containing a gel material;
the gel material temporary storage container is used for temporarily storing the gel material;
the first pressure device is arranged between the gel material container and the gel material temporary storage container;
a spray head assembly for spraying the gel material;
the second pressure device is arranged between the gel material temporary storage container and the spray head assembly;
the first pressure device and the second pressure device form a pressure difference so that the gel material is input into the gel temporary storage container from the gel material container, the gel temporary storage container is input into the spray head assembly, and the gel material is sprayed through the spray head assembly.
In some embodiments, the gel material container is in communication with a gel material buffer container, the second pressure device is opened to allow the gel material container to input gel material to the gel buffer container, the gel material buffer container is in communication with the spray head module, and the first pressure device is opened to allow the gel material buffer container to deliver gel material to the spray head assembly and to control the spray head assembly to spray gel material through the first pressure device.
In some embodiments, the pressure of the first pressure device is greater than the pressure of the second pressure device.
In some embodiments, the pressure differential ranges from 10 to 200 kilopascals.
In some embodiments, the first pressure device pressure regulation range is between 10 to 300 kpa.
In some embodiments, the second pressure device pressure regulation range is between 100 to 0 kilopascals.
The embodiment of the present application further provides an inkjet printing method, including:
controlling the second pressure device to enable the gel material container to input gel materials into the gel temporary storage container;
the first pressure device is controlled to enable the gel material temporary storage container to convey the gel material to the spray head assembly, and the spray head assembly is controlled to spray the gel material through the first pressure device.
In some embodiments, the pressure of the first pressure device is greater than the pressure of the second pressure device.
In some embodiments, the pressure differential ranges from 10 to 200 kpa, the first pressure device pressure regulation range is between 10 to 300 kpa, and the second pressure device pressure regulation range is between 100 to 0 kpa.
The embodiment of the application also provides a display panel which is manufactured by adopting the ink jet system printing system.
In the embodiment of the present application, a pressure difference is formed between the first pressure device and the second pressure device, so that the gel material is input from the gel material container to the gel temporary storage container, the gel temporary storage container is input to the spray head assembly, and the gel material is sprayed through the spray head assembly. By improving the power source and the components of the ink-jet printing, the quantitative and rapid printing of high-viscosity fluid such as gel material and the like can be realized, so that the film thickness uniformity of the solution process can be improved to the greatest extent.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings used in the description of the embodiments will be briefly introduced below.
FIG. 1 is a schematic diagram of an inkjet printing system according to an embodiment of the present disclosure.
Fig. 2 is a schematic flow chart of an inkjet printing method according to an embodiment of the present disclosure.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The embodiment of the present application provides an inkjet printing system 100, an inkjet printing method and a display panel. The inkjet printing system 100 according to the embodiment of the present application will be described in detail below.
Referring to fig. 1, fig. 1 is a schematic structural diagram of an inkjet printing system 100 according to an embodiment of the present disclosure. The embodiment of the present application provides an inkjet printing system 100, and the inkjet printing system 100 includes a gel material container 10, a gel material temporary storage container 30, a first pressure device 20, a nozzle assembly 50, and a second pressure device 40. The gel material container 10 is used to contain a gel material. The gel material temporary storage container 30 serves to temporarily store the gel material. The first pressure device 20 is arranged between the gel material container 10 and the gel material buffer container 30. The spray head assembly 50 is used to spray the gel material. A second pressure device 40 is arranged between the gel material buffer container 30 and the spray head assembly 50. The first pressure device 20 and the second pressure device 40 form a pressure difference so that the gel material is inputted from the gel material container 10 to the gel temporary container, the gel temporary container is inputted to the spray head assembly 50, and the gel material is sprayed through the spray head assembly 50.
Note that the gel material container 10 is a member for containing a gel material. It will be appreciated that the gel material container 10 may be a containment drum or a containment box or the like. The specific structure of the gel material container 10 in the embodiments of the present application will not be described in detail. The gel material buffer container 30 is likewise a component which contains gel material. Likewise, the gel material buffer container 30 may be a holding bucket or a holding box, etc. The gel material temporary storage container 30 is mainly used for temporarily storing the gel material delivered from the gel material container 10 to the spray head assembly 50. I.e. the gel material buffer container 30 is an intermediate container.
In addition, the gel material container 10 and the gel material buffer container 30 are connected by a first connecting line 60. The gel material temporary storage container 30 and the head assembly 50 are communicated with each other through the second communication pipe 70. The first pressure device 20 is provided on the first communication pipe 60, and the second pressure device 40 is provided on the second communication pipe 70.
Additionally, the pressures of the first pressure device 20 and the second pressure device 40 are adjusted such that a pressure differential exists between the gel material container 10 and the spray head assembly 50 to provide a motive force for the gel material container 10 to transmit gel material to the spray head assembly 50. Therefore, quantitative and rapid printing of high-viscosity fluid such as gel material can be realized, and the film thickness uniformity of the solution process can be improved to the greatest extent.
In addition, the spray head assembly 50 is mainly used to spray the gel material. The showerhead assembly 50 includes a showerhead, a connecting pipe, a control valve, and the like. In the embodiment of the present application, the specific components of the showerhead assembly 50 are not described in detail.
Wherein the gel material container 10 is communicated with the gel material temporary storage container 30, the second pressure device 40 is opened to enable the gel material container 10 to input the gel material into the gel material temporary storage container, the gel material temporary storage container 30 is communicated with the spray head module, and the first pressure device 20 is opened to enable the gel material temporary storage container 30 to convey the gel material to the spray head assembly 50 and control the spray head assembly 50 to spray the gel material through the first pressure device 20.
It should be noted that, when the second pressure device 40 is opened and the pressure of the nozzle assembly 50 is lower than the pressure of the gel material container 10, the gel material in the gel material container 10 is driven to flow to the gel material temporary storage container 30, and after the gel material temporary storage container 30 has gel therein, the first pressure device 20 is opened to make the pressure of the gel material temporary storage container 30 higher than the pressure of the nozzle assembly 50, and the pressure of the first pressure device 20 is controlled, so as to control the spraying speed of the nozzle assembly 50.
Additionally, the first pressure device 20 and the second pressure device 40 may be simultaneously opened such that a pressure differential is created between the gel material container 10 and the spray head assembly 50 to provide a motive force for the gel material container 10 to transfer gel material to the spray head assembly 50. Therefore, quantitative and rapid printing of high-viscosity fluid such as gel material can be realized, and the film thickness uniformity of the solution process can be improved to the greatest extent.
Wherein the pressure of the first pressure device 20 is greater than the pressure of the second pressure device 40. It should be noted that the first pressure device 20 is a high-pressure source, and the second pressure device 40 is a low-pressure source, so that the first pressure device 20 and the second pressure device 40 form a pressure difference. Providing power for the gel material container 10 to deliver gel material to the spray head assembly 50. Thereby realizing the quantification of high-viscosity fluid such as gel material.
Wherein the pressure differential is in the range of 10 to 200 kilopascals.
It should be noted that the spray efficiency of the spray head assembly 50 can be controlled by varying the range of the pressure difference. Thereby making the manufacturing process more accurate in the ink-jet printing process. It is understood that the pressure differential may range from 10 kilopascals, 100 kilopascals, 200 kilopascals, and so forth. The magnitude of the pressure difference in the embodiment of the present application can be determined according to actual requirements. The specific value of the pressure difference is not limited in the embodiments of the present application.
Wherein the first pressure device 20 has a pressure regulation range between 10 and 300 kpa.
It is understood that the first pressure device 20 may have pressure regulation values of 10 kpa, 100 kpa, 200 kpa, 300 kpa, etc. The magnitude of the pressure adjustment value for the first pressure device 20 in the embodiment of the present application may be determined according to actual requirements.
Wherein the second pressure device 40 has a pressure regulation range between 100 and 0 kilopascals.
It is understood that the second pressure device 40 may have pressure regulation values of 0 kpa, 10 kpa, 50 kpa, 100 kpa, etc. The magnitude of the pressure adjustment value for the second pressure device 40 in the embodiment of the present application may be determined according to actual requirements.
In the embodiment of the present application, since a pressure difference is formed between the first pressure device 20 and the second pressure device 40, the gel material is inputted from the gel material container 10 to the gel temporary storage container, the gel temporary storage container is inputted to the spray head assembly 50, and the gel material is sprayed through the spray head assembly 50. By improving the power source and the components of the ink-jet printing, the quantitative and rapid printing of high-viscosity fluid such as gel material and the like can be realized, so that the film thickness uniformity of the solution process can be improved to the greatest extent.
Referring to fig. 2, fig. 2 is a schematic flow chart of an inkjet printing method according to an embodiment of the present disclosure. The inkjet printing method provided by the embodiment of the application comprises the following steps:
101. the second pressure device is controlled so that the gel material container feeds gel material to the gel buffer container.
It should be noted that the second pressure means is opened and the pressure of the head assembly is less than the pressure of the gel material container, thereby driving the gel material in the gel material container to flow to the gel material temporary storage container.
102. The first pressure device is controlled to enable the gel material temporary storage container to convey the gel material to the spray head assembly, and the spray head assembly is controlled to spray the gel material through the first pressure device.
It should be noted that, after the gel material temporary storage container has the gel therein, the first pressure device is opened to make the pressure of the gel material temporary storage container larger than the pressure of the spray head assembly, and the spraying speed of the spray head assembly can be controlled by controlling the pressure of the first device.
The pressures of the first and second pressure devices are adjusted such that a pressure differential exists between the gel material container and the spray head assembly to provide a motive force for the gel material container to transfer gel material to the spray head assembly. Therefore, quantitative and rapid printing of high-viscosity fluid such as gel material can be realized, and the film thickness uniformity of the solution process can be improved to the greatest extent.
Wherein, in some embodiments, the pressure of the first pressure device is greater than the pressure of the second pressure device.
Wherein the pressure difference is in the range of 10 to 200 kPa, the first pressure device pressure regulation range is between 10 and 300 kPa, and the second pressure device pressure regulation range is between 100 and 0 kPa.
It should be noted that the spray efficiency of the spray head assembly can be controlled by varying the range of the pressure difference. Thereby making the manufacturing process more accurate in the ink-jet printing process. It is understood that the pressure differential may range from 10 kilopascals, 100 kilopascals, 200 kilopascals, and so forth. The magnitude of the pressure difference in the embodiment of the present application can be determined according to actual requirements. The specific value of the pressure difference is not limited in the embodiments of the present application.
It is understood that the first pressure device pressure adjustment values may be 10 kpa, 100 kpa, 200 kpa, 300 kpa, etc. The magnitude of the pressure adjustment value for the first pressure device in the embodiment of the present application may be determined according to actual requirements.
It is understood that the second pressure means pressure adjustment values may be 0 kpa, 10 kpa, 50 kpa, 100 kpa, etc. The magnitude of the pressure adjustment value for the second pressure device in the embodiment of the present application may be determined according to actual requirements.
The embodiment of the application also provides a display panel, and the display panel applies the manufacturing process of the ink-jet printing system. The ink jet printing system has been described in detail in the above embodiments, and the details in the embodiments of the present application are not repeated.
The inkjet printing system 100, the inkjet printing method and the display panel provided by the embodiment of the present application are described in detail above. The principles and implementations of the present application are described herein using specific examples, which are presented only to aid in understanding the present application. Meanwhile, for those skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.
Claims (9)
1. An inkjet printing system, comprising:
a gel material container for containing a gel material;
the gel material temporary storage container is used for temporarily storing the gel material;
the first pressure device is arranged between the gel material container and the gel material temporary storage container;
a spray head assembly for spraying the gel material;
the second pressure device is arranged between the gel material temporary storage container and the spray head assembly; the first pressure device and the second pressure device form a pressure difference so that the gel material is input into the gel material temporary storage container from the gel material container, the gel material temporary storage container is input into the spray head assembly, and the gel material is sprayed through the spray head assembly;
the gel material container is communicated with the gel material temporary storage container, the second pressure device is opened to enable the gel material container to input gel materials to the gel material temporary storage container, the gel material temporary storage container is communicated with the spray head assembly, and the first pressure device is opened to enable the gel material temporary storage container to convey the gel materials to the spray head assembly and control the spray head assembly to spray the gel materials through the first pressure device.
2. Inkjet printing system according to claim 1 wherein the pressure of the first pressure device is greater than the pressure of the second pressure device.
3. Inkjet printing system according to claim 2 wherein the pressure difference is in the range of 10 to 200 kpa.
4. Inkjet printing system according to claim 3 wherein the first pressure device pressure adjustment range is between 10 and 300 kilopascals.
5. Inkjet printing system according to claim 3 wherein the second pressure device pressure adjustment range is between 100 and 0 kilopascals.
6. A method of inkjet printing, comprising: controlling the second pressure device to enable the gel material container to input the gel material into the gel material temporary storage container; controlling a first pressure device to enable the gel material temporary storage container to convey the gel material to the spray head assembly and controlling the spray head assembly to spray the gel material through the first pressure device;
the gel material container is communicated with the gel material temporary storage container, the second pressure device is opened to enable the gel material container to input gel materials to the gel material temporary storage container, the gel material temporary storage container is communicated with the spray head assembly, and the first pressure device is opened to enable the gel material temporary storage container to convey the gel materials to the spray head assembly and control the spray head assembly to spray the gel materials through the first pressure device.
7. Inkjet printing method according to claim 6 wherein the pressure of the first pressure means is greater than the pressure of the second pressure means.
8. The method of inkjet printing according to claim 7 wherein the first and second pressure devices form a pressure differential in the range of 10 to 300 kilopascals, the first pressure device pressure regulation range is between 10 and 200 kilopascals, and the second pressure device pressure regulation range is between 100 and 0 kilopascals.
9. A display panel produced by the ink jet printing system according to any one of claims 1 to 5.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910673307.0A CN110271297B (en) | 2019-07-24 | 2019-07-24 | Ink-jet printing system, ink-jet printing method and display panel |
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| CN201910673307.0A CN110271297B (en) | 2019-07-24 | 2019-07-24 | Ink-jet printing system, ink-jet printing method and display panel |
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| CN110271297B true CN110271297B (en) | 2020-08-04 |
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| CN113085391B (en) * | 2021-04-25 | 2022-04-01 | Tcl华星光电技术有限公司 | Ink jet printing apparatus |
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