CN110416428A - The production method and display panel of display panel - Google Patents
The production method and display panel of display panel Download PDFInfo
- Publication number
- CN110416428A CN110416428A CN201910659347.XA CN201910659347A CN110416428A CN 110416428 A CN110416428 A CN 110416428A CN 201910659347 A CN201910659347 A CN 201910659347A CN 110416428 A CN110416428 A CN 110416428A
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- China
- Prior art keywords
- barricade
- ink
- display area
- production method
- display panel
- Prior art date
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- Granted
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 36
- 238000007641 inkjet printing Methods 0.000 claims abstract description 72
- 239000000463 material Substances 0.000 claims abstract description 26
- 230000004888 barrier function Effects 0.000 claims abstract description 24
- 239000002904 solvent Substances 0.000 claims description 10
- 229910052809 inorganic oxide Inorganic materials 0.000 claims description 3
- 239000003960 organic solvent Substances 0.000 claims description 3
- 240000007594 Oryza sativa Species 0.000 claims 1
- 235000007164 Oryza sativa Nutrition 0.000 claims 1
- 235000009566 rice Nutrition 0.000 claims 1
- 230000008020 evaporation Effects 0.000 abstract description 21
- 238000001704 evaporation Methods 0.000 abstract description 21
- 238000009792 diffusion process Methods 0.000 abstract description 13
- 239000000243 solution Substances 0.000 description 33
- 238000001035 drying Methods 0.000 description 15
- 238000010025 steaming Methods 0.000 description 5
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 230000027756 respiratory electron transport chain Effects 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
- 229910001928 zirconium oxide Inorganic materials 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/80—Constructional details
- H10K50/84—Passivation; Containers; Encapsulations
- H10K50/842—Containers
- H10K50/8428—Vertical spacers, e.g. arranged between the sealing arrangement and the OLED
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/10—OLED displays
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Electroluminescent Light Sources (AREA)
Abstract
This application provides a kind of production method of display panel and display panel, the production method of the display panel includes: to provide a panel assembly, and the panel assembly includes display area and the non-display area around display area；In non-display area setting around the first barricade of display area and around the second barricade of the first barricade, there is gap between the first barricade and the second barricade；The groove for surrounding the second barricade is formed in the non-display area；Vapor barrier material is set in a groove；Air pressure balance solution is set in gap；And inkjet printing is carried out in the display area using ink-jet printing ink.Stop the steam of the ink-jet printing ink to external diffusion by the first barricade of setting, the second barricade and vapor barrier material, to which the evaporation rate for reducing the ink close to panel assembly edge and the ink close to panel assembly center is poor, and then reduce the concentration difference of the ink close to panel assembly edge and the ink close to panel assembly center.
Description
Technical field
This application involves display fields, and in particular to a kind of production method and display panel of display panel.
Background technique
In the prior art, various products production method trend is made by the way of inkjet printing in display field, In
It is required to dry ink after each inkjet printing, ink during drying, close to panel assembly edge
Evaporation rate be much larger than the evaporation rate of the ink close to panel assembly center, this will lead to the ink close to panel assembly edge
The concentration of water is less than the concentration of the ink close to panel assembly center, how to reduce close after the drying course of inkjet printing
The concentration difference of the ink at panel assembly edge and the ink close to panel assembly center is current urgent problem to be solved.
Summary of the invention
The application provides the production method and display panel of a kind of display panel, to reduce the drying in inkjet printing
The concentration difference of the ink at the close panel assembly edge after journey and the ink close to panel assembly center.
A kind of production method of display panel, comprising:
A panel assembly is provided, the panel assembly includes display area and non-display area, and the non-display area encloses
Around the display area；
In the non-display area, the first barricade and the second barricade be set, the first gear walled around the display area,
The second gear walled has gap between first barricade, first barricade and second barricade；
Groove is formed in the non-display area, the groove surrounds second barricade；
Vapor barrier material is set in the groove；
Air pressure balance solution is set in the gap；And
Inkjet printing is carried out in the display area using ink-jet printing ink.
In the production method of display panel provided herein, the height of second barricade is more than or equal to described the
The height of one barricade.
In the production method of display panel provided herein, the height of first barricade and second barricade
Height be 1 micron -3 microns.
In the production method of display panel provided herein, the air pressure balance solution is to have with volatile
Solvent.
In the production method of display panel provided herein, the air pressure balance solution and ink-jet print water phase
Together or the air pressure balance solution is identical as the solvent of ink-jet printing ink.
In the production method of display panel provided herein, the depth of the groove is 1 micron -3 microns, described
The width of groove is 1 micron -2 microns.
In the production method of display panel provided herein, the height of the vapor barrier material is greater than described the
The height of two barricades.
In the production method of display panel provided herein, the height of the vapor barrier material is 5 micron -10
Micron.
In the production method of display panel provided herein, the vapor barrier material is inorganic oxide.
A kind of display panel, comprising:
Display area；And
Non-display area, the non-display area surround the display area, and the non-display area includes:
First barricade, the first gear walled is around the display area；
Second barricade, the second gear walled have between first barricade, first barricade and the second barricade
Gap, the gap is for being arranged air pressure balance solution；And
Groove, the groove surround second barricade, and the groove is for being arranged vapor barrier material.
This application provides a kind of production method of display panel and display panel, the production method of the display panel
It include: that a panel assembly is provided, the panel assembly includes display area and non-display area；The non-display area surrounds institute
Display area is stated, the first barricade and the second barricade are set in the non-display area, the first gear walled is around the viewing area
Domain, the second gear walled have gap between first barricade, first barricade and second barricade；Described
Non-display area forms groove, and the groove surrounds second barricade；Vapor barrier material is set in the groove；Institute
State setting air pressure balance solution in gap；And inkjet printing is carried out in the display area using ink-jet printing ink.It is drying
During the ink-jet printing ink of dry display area, by the first barricade of setting to stop the steam of ink-jet printing ink outside
Diffusion carries out first time reduction of speed with the evaporation rate to the ink-jet printing ink close to panel assembly edge, by first gear
Air pressure balance solution is set in the gap of wall and the second barricade, the steam of the air pressure balance solution is avoided by the second barricade
To external diffusion, and then the steam of the ink-jet printing ink is avoided to external diffusion, to the ink-jet close to panel assembly edge
The evaporation rate of marking ink carries out second of reduction of speed, by the way that the vapor barrier material, the steaming are arranged in the groove
Vapour locking obstructing material avoids the steam of the air pressure balance solution to external diffusion, and then avoids the steaming of the ink-jet printing ink
Vapour carries out third time reduction of speed to external diffusion, with the evaporation rate to the ink-jet printing ink close to panel assembly edge, will so that
Evaporation rate close to the ink-jet printing ink at the display area edge is reduced, to reduce the drying in inkjet printing
The evaporation rate of the ink at the close panel assembly edge after journey and the ink close to panel assembly center is poor, and then reduces
The concentration difference of the ink at the close panel assembly edge after the drying course of inkjet printing and the ink close to panel assembly center.
Detailed description of the invention
In order to more clearly explain the technical solutions in the embodiments of the present application, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, the drawings in the following description are only some examples of the present application, for
For those skilled in the art, without creative efforts, it can also be obtained according to these attached drawings other attached
Figure.
Fig. 1 is the flow chart of the production method of display panel provided by the embodiment of the present application.
Fig. 2 is the schematic diagram of the panel assembly of the production method of display panel provided by the embodiment of the present application.
Fig. 3 is that the production method of display panel provided by the embodiment of the present application is arranged first gear on panel assembly
The schematic diagram of wall, the second barricade and groove.
Fig. 4 is that the production method of display panel provided by the embodiment of the present application is arranged air pressure balance on panel assembly
The schematic diagram of solution, vapor barrier material and ink-jet printing ink.
Specific embodiment
Below in conjunction with the attached drawing in the application embodiment, the technical solution in the application is carried out clearly and completely
Description.Obviously, described embodiment is only a part of embodiment of the application, rather than whole embodiments.Base
Embodiment in the application, those skilled in the art are obtained every other without making creative work
Embodiment shall fall in the protection scope of this application.
Referring to Fig. 1, the application provides a kind of production method of display panel, comprising:
101, a panel assembly 201 is provided, the panel assembly 201 includes display area 2011 and non-display area
2012, the non-display area 2012 surrounds the display area 2011.
Referring to Fig. 2, substrate layer and array layer has can be set in the display area 2011 of the panel assembly 201.
102, first barricade 202 and the second barricade 203, first barricade 202 are set in the non-display area 2012
Around the display area 2011, second barricade 203 surrounds first barricade 202, first barricade 202 and described
There is gap 204 between second barricade 203.
Referring to Fig. 3, the height of first barricade 202 is 1 micron -3 microns.It in the fabrication process, can be using heavy
First barricade 202 is arranged in the non-display area 2012 in long-pending mode.First barricade 202 can be used for stopping institute
The ink-jet printing ink for stating display area 2011 flow to non-display area 2012, can be also used in drying ink-jet printing ink
During, stop the steam of the ink-jet printing ink to spread to non-display area 2012, to reduce the display area
The evaporation rate of the ink-jet printing ink at 2011 edges plays first time reduction of speed with the evaporation rate to the ink-jet printing ink
Effect.
The height of second barricade 203 is 1 micron -3 microns.In the fabrication process, can using deposition by the way of
Second barricade 203 is arranged in the non-display area 2012.The gap 204 is for being arranged air pressure balance solution.The gas
Pressing balance solution is with volatile organic solvent.The air pressure balance solution is identical or described as ink-jet printing ink
Air pressure balance solution is identical as the solvent of ink-jet printing ink.
In one embodiment, the height of second barricade 203 is more than or equal to the height of first barricade 202, with
The steam for stopping the air pressure balance solution 207 to be volatilized during drying ink-jet printing ink is to external diffusion, so that institute
The steam pressure for stating the generation of air pressure balance solution is greater than the steam pressure that the ink-jet printing ink generates, will be so that close to described
The evaporation rate of the ink-jet printing ink at 2011 edge of display area is reduced, and is risen with the evaporation rate to the ink-jet printing ink
To the effect of second of reduction of speed, to reduce the ink at 201 edge of close panel assembly after the drying course of inkjet printing
The evaporation rate of water and the ink close to 201 center of panel assembly is poor, and then reduces after the drying course of inkjet printing
The concentration difference of ink close to 201 edge of panel assembly and the ink close to 201 center of panel assembly.
103, groove 205 is formed in the non-display area 2012, the groove 205 surrounds second barricade 203.
The groove 205 is for being arranged vapor barrier material.The depth of the groove 205 is 1 micron -3 microns.It is described recessed
The width of slot 205 is 1 micron -2 microns.It in one embodiment, can be by the way of etching in the non-display area
2012 form the groove 205.
The sequence of the step 102 and step 103 can be adjusted flexibly.
104, vapor barrier material 206 is set in the groove 205.
Referring to Fig. 4, the height of the vapor barrier material 206 is greater than the height of second barricade 203.The steam
The height of barrier material 206 can be 5 microns -10 microns.The vapor barrier material 206 is inorganic oxide.The steam
Barrier material 206 includes the combination of one or more of zinc oxide, aluminium oxide, titanium oxide, zirconium oxide silica.
The steaming that the vapor barrier material 206 being arranged in the groove 205 is used to that the air pressure balance solution 207 to be stopped to generate
Vapour is to external diffusion, so that the steam pressure that the air pressure balance solution generates is greater than the steam pressure of the ink-jet printing ink,
Therefore, the evaporation rate for making the ink-jet printing ink at close 2011 edge of display area is reduced, to the ink-jet
The evaporation rate of marking ink plays the role of third time reduction of speed, to reduce close after the drying course of inkjet printing
The evaporation rate of the ink at 201 edge of panel assembly and the ink close to 201 center of panel assembly is poor, and then reduces in ink-jet
The concentration of the ink at 201 edge of close panel assembly after the drying course of printing and the ink close to 201 center of panel assembly
Difference.
105, air pressure balance solution 207 is set in the gap 204.
The air pressure balance solution 207 is with volatile organic solvent.The air pressure balance solution 207 is beaten with ink-jet
Printing ink is identical or the air pressure balance solution is identical as the solvent of ink-jet printing ink.
In one embodiment, it is formed in the display area 2011 of the panel assembly 201 using ink-jet printing ink
When electron transfer layer, the air pressure balance solution 207 it is identical as the ink-jet printing ink for forming the electron transfer layer or
Person is identical as the solvent of the ink-jet printing ink.
In one embodiment, it is formed in the display area 2011 of the panel assembly 201 using ink-jet printing ink
When electron injecting layer, the air pressure balance solution 207 it is identical as the ink-jet printing ink for forming the electron injecting layer or
Person is identical as the solvent of the ink-jet printing ink.
In one embodiment, it is formed in the display area 2011 of the panel assembly 201 using ink-jet printing ink
When luminescent layer, the air pressure balance solution 207 it is identical as the ink-jet printing ink for forming the luminescent layer or with it is described
The solvent of ink-jet printing ink is identical.
In one embodiment, it is formed in the display area 2011 of the panel assembly 201 using ink-jet printing ink
When hole transmission layer, the air pressure balance solution 207 it is identical as the ink-jet printing ink for forming the hole transmission layer or
Person is identical as the solvent of the ink-jet printing ink.
In one embodiment, it is formed in the display area 2011 of the panel assembly 201 using ink-jet printing ink
When hole injection layer, the air pressure balance solution 207 it is identical as the ink-jet printing ink for forming the hole injection layer or
Person is identical as the solvent of the ink-jet printing ink.
106, inkjet printing is carried out in the display area 2011 using ink-jet printing ink 208.
The sequence of the step 104, step 105 and step 106 can be adjusted flexibly.
This application provides a kind of production method of display panel and display panel, the production method of the display panel
It include: that a panel assembly is provided, the panel assembly includes display area and non-display area；The non-display area surrounds institute
Display area is stated, the first barricade and the second barricade are set in the non-display area, the first gear walled is around the viewing area
Domain, the second gear walled have gap between first barricade, first barricade and second barricade；Described
Non-display area forms groove, and the groove surrounds second barricade；Vapor barrier material is set in the groove；Institute
State setting air pressure balance solution in gap；And inkjet printing is carried out in the display area using ink-jet printing ink.It is drying
During the ink-jet printing ink of dry display area, by the first barricade of setting to stop the steam of ink-jet printing ink outside
Diffusion carries out first time reduction of speed with the evaporation rate to the ink-jet printing ink close to panel assembly edge, by first gear
Air pressure balance solution is set in the gap of wall and the second barricade, the steam of the air pressure balance solution is avoided by the second barricade
To external diffusion, and then the steam of the ink-jet printing ink is avoided to external diffusion, to the ink-jet close to panel assembly edge
The evaporation rate of marking ink carries out second of reduction of speed, by the way that the vapor barrier material, the steaming are arranged in the groove
Vapour locking obstructing material avoids the steam of the air pressure balance solution to external diffusion, and then avoids the steaming of the ink-jet printing ink
Vapour carries out third time reduction of speed to external diffusion, with the evaporation rate to the ink-jet printing ink close to panel assembly edge, will so that
Evaporation rate close to the ink-jet printing ink at the display area edge is reduced, to reduce the drying in inkjet printing
The evaporation rate of the ink at the close panel assembly edge after journey and the ink close to panel assembly center is poor, and then reduces
The concentration difference of the ink at the close panel assembly edge after the drying course of inkjet printing and the ink close to panel assembly center.
The application embodiment is described in detail above, principle of the specific case to the application used herein
And embodiment is expounded, the explanation of embodiment of above is merely used to help understand the application.Meanwhile for this field
Technical staff, according to the thought of the application, there will be changes in the specific implementation manner and application range, to sum up institute
It states, the contents of this specification should not be construed as limiting the present application.
Claims (10)
1. a kind of production method of display panel characterized by comprising
A panel assembly is provided, the panel assembly includes display area and non-display area, and the non-display area surrounds institute
State display area；
The first barricade is set in the non-display area and the second barricade, the first gear walled are described around the display area
Second gear walled has gap between first barricade, first barricade and second barricade；
Groove is formed in the non-display area, the groove surrounds second barricade；
Vapor barrier material is set in the groove；
Air pressure balance solution is set in the gap；And
Inkjet printing is carried out in the display area using ink-jet printing ink.
2. the production method of display panel as described in claim 1, which is characterized in that the height of second barricade is more than or equal to
The height of first barricade.
3. the production method of display panel as claimed in claim 2, which is characterized in that the height of first barricade and described
The height of two barricades is 1 micron -3 microns.
4. the production method of display panel as described in claim 1, which is characterized in that the air pressure balance solution is with volatilization
The organic solvent of property.
5. the production method of display panel as claimed in claim 4, which is characterized in that the air pressure balance solution and inkjet printing
Ink is identical or the air pressure balance solution is identical as the solvent of ink-jet printing ink.
6. the production method of display panel as described in claim 1, which is characterized in that the depth of the groove is 1 micron -3 micro-
Rice, the width of the groove are 1 micron -2 microns.
7. the production method of display panel as described in claim 1, which is characterized in that the height of the vapor barrier material is greater than
The height of second barricade.
8. the production method of display panel as claimed in claim 7, which is characterized in that the height of the vapor barrier material is 5
- 10 microns of micron.
9. the production method of display panel as described in claim 1, which is characterized in that the vapor barrier material is inorganic oxide
Object.
10. a kind of display panel characterized by comprising
Display area；And
Non-display area, the non-display area surround the display area, and the non-display area includes:
First barricade, the first gear walled is around the display area；
Second barricade, the second gear walled have gap between first barricade, first barricade and the second barricade,
The gap is for being arranged air pressure balance solution；And
Groove, the groove surround second barricade, and the groove is for being arranged vapor barrier material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910659347.XA CN110416428B (en) | 2019-07-22 | 2019-07-22 | Display panel manufacturing method and display panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910659347.XA CN110416428B (en) | 2019-07-22 | 2019-07-22 | Display panel manufacturing method and display panel |
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| Publication Number | Publication Date |
|---|---|
| CN110416428A true CN110416428A (en) | 2019-11-05 |
| CN110416428B CN110416428B (en) | 2021-12-28 |
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|---|---|---|---|
| CN201910659347.XA Active CN110416428B (en) | 2019-07-22 | 2019-07-22 | Display panel manufacturing method and display panel |
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| CN110416428B (en) | 2021-12-28 |
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