CN108598286A - a kind of OLED display panel and packaging method - Google Patents
a kind of OLED display panel and packaging method Download PDFInfo
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- CN108598286A CN108598286A CN201810717111.2A CN201810717111A CN108598286A CN 108598286 A CN108598286 A CN 108598286A CN 201810717111 A CN201810717111 A CN 201810717111A CN 108598286 A CN108598286 A CN 108598286A
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- 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
- H10K50/844—Encapsulations
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- 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
- H10K50/846—Passivation; Containers; Encapsulations comprising getter material or desiccants
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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
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Abstract
Oled panel provided by the invention and packaging method, including：Light-emitting substrate, and at least one set of packaging film is set on the light-emitting substrate；Packaging film described in every group includes the first inorganic layer being arranged on the light-emitting substrate, it is provided with organic layer on first inorganic layer, the fringe region of the organic layer is provided with organic barricade, and the organic layer is blocked in organic barricade, and the second inorganic layer for covering first inorganic layer, organic layer and organic barricade is provided on the organic layer；Wherein, water-absorbing material is filled in organic barricade, to improve the water oxygen obstructing capacity of oled panel.Organic barricade is set by the fringe region in organic layer, and water-absorbing material is filled in organic barricade, to achieve the purpose that improve to steam and oxygen obstruction ability, to extend the service life of oled panel.
Description
Technical field
The present invention relates to display technology fields, and in particular to a kind of oled panel and packaging method.
Background technology
OLED (Organic Light Emitting Diode, Organic Light Emitting Diode) is used as a kind of current mode photophore
Part, it is rich in color because it is with self-luminous, response speed it is fast, visual angle is wide, light-weight, the advantages that can making flexible display screen
And it receives significant attention.
However, OLED device is very sensitive to steam and oxygen, it is thus typically necessary to be packaged to OLED device.It is existing
Some packaging methods can still make the edge of OLED device be easy to be invaded by steam and oxygen, in turn result in such as electrode oxygen
Phenomena such as change, organic material chemically react bad or stain reduces so as to cause the service life of OLED device.
Therefore, it is necessary to a kind of oled panel and packaging method be provided, to solve the problems of prior art.
Invention content
The embodiment of the present invention provides a kind of oled panel, can improve obstructing capacity of the oled panel to steam and oxygen,
To extend the service life of oled panel.
The present invention provides a kind of oled panels, including：
Light-emitting substrate, and at least one set of packaging film is set on the light-emitting substrate；
Packaging film described in every group includes the first inorganic layer being arranged on the light-emitting substrate, on first inorganic layer
Be provided with organic layer, the fringe region of the organic layer is provided with organic barricade, and the organic layer be blocked in it is described organic
In barricade, the second inorganic layer for covering first inorganic layer, organic layer and organic barricade is provided on the organic layer；Its
In,
Water-absorbing material is filled in organic barricade, to improve the water oxygen obstructing capacity of oled panel.
According to one preferred embodiment of the present invention, organic barricade is cyclic structure, and organic barricade at least surrounds
The organic layer.
According to one preferred embodiment of the present invention, organic barricade includes loom barricade, and is arranged described organic
Multiple water oxygen barrier blocks in sub- barricade.
According to one preferred embodiment of the present invention, the material of the water oxygen barrier blocks is Electrospun acetic acid nanofiber or gathers
Acrylic resin.
According to one preferred embodiment of the present invention, it is described have the material of loom barricade and the organic layer be acrylic or
Epoxy resin.
Correspondingly, the present invention also provides a kind of packaging methods of oled panel, including：One light-emitting substrate is provided；
At least one set of packaging film is formed on the light-emitting substrate；Wherein,
Every group of packaging film include the first inorganic layer being stacked on the light-emitting substrate, organic layer, second inorganic
Layer；Wherein, organic barricade is formed in the fringe region of the organic layer.
According to one preferred embodiment of the present invention, the step that at least one set of packaging film is formed on the light-emitting substrate
Suddenly, including：
The first inorganic layer is formed on the light-emitting substrate；
Organic layer is formed on first inorganic layer；
Organic barricade is formed on the fringe region of the organic layer；Wherein, the organic layer is blocked in described organic
In barricade；
The second inorganic layer is formed on first inorganic layer, organic layer and organic barricade.
According to one preferred embodiment of the present invention, organic barricade is cyclic structure, and organic barricade at least surrounds
The organic layer.
According to one preferred embodiment of the present invention, organic barricade includes loom barricade, and is arranged described organic
Multiple water oxygen barrier blocks in sub- barricade.
According to one preferred embodiment of the present invention, the material of the water oxygen barrier blocks is Electrospun acetic acid nanofiber or gathers
Acrylic resin.
Oled panel provided by the invention and packaging method, including：Light-emitting substrate, and be arranged in the light-emitting substrate
Upper at least one set packaging film；Packaging film described in every group includes the first inorganic layer being arranged on the light-emitting substrate, described
Organic layer is provided on first inorganic layer, the fringe region of the organic layer is provided with organic barricade, and the organic layer is hindered
Gear is provided with the of covering first inorganic layer, organic layer and organic barricade in organic barricade on the organic layer
Two inorganic layers；Wherein, water-absorbing material is filled in organic barricade, to improve the water oxygen obstructing capacity of oled panel.It is logical
Organic barricade is arranged in the fringe region crossed in organic layer, and fills water-absorbing material in organic barricade, is improved to water with reaching
The purpose of vapour and oxygen obstruction ability, to extend the service life of oled panel.
Description of the drawings
It, below will be to embodiment or the prior art in order to illustrate more clearly of embodiment or technical solution in the prior art
Attached drawing needed in description is briefly described, it should be apparent that, the accompanying drawings in the following description is only some invented
Embodiment for those of ordinary skill in the art without creative efforts, can also be attached according to these
Figure obtains other attached drawings.
Fig. 1 is the flow diagram of the packaging method of OLED device provided in an embodiment of the present invention；
Fig. 2 is the floor map of oled panel provided in an embodiment of the present invention；
Fig. 3 is the enlarged diagram of organic barricade provided in an embodiment of the present invention；
Fig. 4 is the flow diagram of the packaging method of oled panel provided in an embodiment of the present invention；
Fig. 5 is the idiographic flow schematic diagram of step S102 provided in an embodiment of the present invention.
Specific implementation mode
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 describes.Obviously, 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, the every other implementation that those skilled in the art are obtained without creative efforts
Example, shall fall within the protection scope of the present invention.
Referring to Fig. 1, Fig. 1 is the schematic cross-section of oled panel provided in an embodiment of the present invention.
The embodiment of the present invention provides a kind of oled panel, including：
Light-emitting substrate 10, and at least one set of packaging film 20 is set on the light-emitting substrate；
Packaging film 20 described in every group includes the first inorganic layer 201 being arranged on the light-emitting substrate, first nothing
Organic layer 202 is provided on machine layer, the fringe region of the organic layer 202 is provided with organic barricade 206, and the organic layer
202 are blocked in organic barricade 206, and covering first inorganic layer 201, organic is provided on the organic layer 202
Second inorganic layer 203 of layer 202 and organic barricade 206；Wherein,
Water-absorbing material is filled in organic barricade 206, to improve the water oxygen obstructing capacity of oled panel.
Specifically, the light-emitting substrate 10 can be formed with the light-emitting substrate of OLED device, also, 10 basis of light-emitting substrate
Actual needs may include various circuit structures and/or board structure.At least one set of thinner package is set on the light-emitting substrate 10
Film 20 can be optionally one group of packaging film 20, or multigroup packaging film 20, which stacks, to be arranged in light-emitting substrate 10
On.For example, the first inorganic layer 201, the first nothing can be prepared on the light-emitting substrate 10 by the technique of chemical vapor deposition
The material of machine layer 201 can be silicon nitride, silicon oxynitride or silica.It is provided with organic layer 202 on first inorganic layer 201,
The fringe region of organic layer 202 is provided with organic barricade 206, and organic layer 202 is blocked in organic barricade 206, can adopt
Form organic layer 202 and organic barricade 206 with the methods of InkJet printing processes, the material of organic layer 102 can be acrylic,
Epoxy resin or silicones, for stress and foreign matter cladding of the buffering device in bending fold.It should be noted that organic
Water-absorbing material, if organic barricade 206 and organic layer 202 make together, the water suction of organic barricade 206 are filled in barricade 206
Property material can then influence the illumination effect of oled panel, therefore, form the processing procedure of organic layer 202 and form organic barricade 206
Processing procedure is two procedures, cannot be made together.It is provided with covering the first inorganic layer 201, organic layer 202 on organic layer 202 and has
Second inorganic layer 203 of machine barricade 206, second inorganic layer 203 can also be made by chemical vapor deposition method, the
The material of two inorganic layers 203 can be silicon nitride or silicon oxynitride.
Further, Fig. 1 and Fig. 2 is please referred to, Fig. 2 is that the plane of oled panel provided in an embodiment of the present invention is shown
It is intended to.
Preferably, organic barricade 206 is cyclic structure, and organic barricade 206 at least surrounds the organic layer
202.It is arranged for example, the organic barricade 206 of the ring-type surrounds organic layer 202, the inside filling of organic barricade 206 is spongy
Material not only can increase the path that water oxygen invades organic layer 202 from side, reduce water oxygen invasion organic layer 202
Probability, also, water-absorbent material is internally provided with due to organic barricade 206, when water oxygen invades organic layer 202 from side, have
Water-absorbent material in machine barricade 206 can first be reacted with water oxygen, form the water oxygen barrier such as hydrogel, also, the water oxygen obstructs
Object can further obstruct water oxygen invasion organic layer 202, avoid water oxygen invasion organic layer 202, oled panel is caused to fail, because
This is arranged cyclic annular organic barricade 206 and has achieved the purpose that obstruct water oxygen invasion organic layer 202, to improve oled panel water oxygen
Obstructing capacity extends the service life of oled panel.
Certainly, the structure of organic barricade 206 is not limited only to this, can also be other special shape, and the present embodiment is only right
Organic barricade 206 is illustrated for cyclic structure.
Preferably, organic barricade 206 includes loom barricade 301, and is arranged and has in loom barricade described
Multiple water oxygen barrier blocks 302.
Specifically, referring to Fig. 3, Fig. 3 is the enlarged diagram of organic barricade provided in an embodiment of the present invention.Specific implementation
When, the mixture of organic material and water-absorbing material is printed to the fringe region of organic layer 202 by InkJet printing processes, with
Organic barricade 206 is formed in the fringe region of organic layer 202, organic barricade 206 includes loom barricade 301 and multiple water oxygens
Barrier blocks 302, the setting of water oxygen barrier blocks 302 are having in loom barricade 301, wherein the material of water oxygen barrier blocks 302 is water-absorption material
Material.It should be noted that in the present embodiment, the shapes and sizes of water oxygen barrier blocks 302 are not limited thereto, and Fig. 3 is only to show
Meaning explanation, not as limitation of the present invention.
Preferably, the material of the water oxygen barrier blocks 302 is Electrospun acetic acid nanofiber or polyacrylic based resin.
It is preferably, described that have the material of loom barricade 302 and the organic layer 202 be acrylic or epoxy resin.
Correspondingly, an embodiment of the present invention provides a kind of packaging method of oled panel, referring to Fig. 4, the faces OLED
The packaging method of plate includes：
S101, a light-emitting substrate is provided.
In step S101, a light-emitting substrate is provided, which can be the light-emitting substrate for being formed with OLED device,
Also, light-emitting substrate may include various circuit structures and/or board structure according to actual needs.
S102, at least one set of packaging film is formed on the light-emitting substrate.
In step s 102, it can be optionally one group of thinner package that at least one set of packaging film is formed on light-emitting substrate
Film, or multigroup packaging film, which stacks, to be arranged on light-emitting substrate.Wherein, every group of packaging film includes being stacked in institute
State the first inorganic layer, organic layer, the second inorganic layer on light-emitting substrate；Wherein, it is formed in the fringe region of the organic layer
Machine barricade.
Optionally, step S102 can specifically include：
S201, the first inorganic layer is formed on the light-emitting substrate.
S202, organic layer is formed on first inorganic layer.
S203, organic barricade is formed on the fringe region of the organic layer.
S204, the second inorganic layer is formed on first inorganic layer, organic layer and organic barricade.
Fig. 1, Fig. 2, Fig. 3 and Fig. 5 are please referred to, when it is implemented, in step s 201, light-emitting substrate 10 is shifted
Into reaction chamber, PECVD (Plasma Enhanced Chemical Vapor Deposition, plasma can be passed through
Enhanced chemical vapor deposition) one layer of silicon nitride or silicon oxynitride film are deposited on light-emitting substrate 10, in light-emitting substrate
The first inorganic layer 201 is formed on 10.And then, in step S202, after the cooling of the first inorganic layer 201, pass through inkjet printing
Technique forms organic layer 202 on the first inorganic layer 201, and the material of organic layer 202 can be acrylic or epoxy resin.
Then, in step S203, by InkJet printing processes, the mixture of organic material and water-absorbent material is printed upon organic layer
On 202 fringe region, to form organic barricade 206 on the fringe region of organic layer 202.It, will in step S204
The light-emitting substrate 10 for being formed with the first inorganic layer 201, organic layer 202 and organic barricade 206 is transferred in reaction chamber, is passed through
PECVD forms the second inorganic layer 203 on first inorganic 201, organic layer 202 and organic barricade 206.
Preferably, organic barricade is cyclic structure, and organic barricade at least surrounds the organic layer.
Please refer to Fig. 1 and Fig. 2, it is preferred that organic barricade 206 is cyclic structure, and organic barricade
206 at least surround the organic layer 202.It is arranged for example, the organic barricade 206 of the ring-type surrounds organic layer 202, organic barricade
Spongy material is filled in 206 inside, not only can increase the path that water oxygen invades organic layer 202 from side, subtract
The probability of small water oxygen invasion organic layer 202, also, water-absorbent material is internally provided with due to organic barricade 206, when water oxygen from
When organic layer 202 is invaded in side, the water-absorbent material in organic barricade 206 can first be reacted with water oxygen, form the substance such as hydrogel,
Therefore cyclic annular organic barricade 206 is arranged to have achieved the purpose that obstruct water oxygen invasion organic layer 202, to improve oled panel water
Oxygen obstructing capacity extends the service life of oled panel.
Organic barricade includes loom barricade, and is arranged in the multiple water oxygens barrier having in loom barricade
Block.
Specifically, referring to Fig. 3, when it is implemented, by InkJet printing processes by organic material and water-absorbing material
Mixture is printed to the fringe region of organic layer 202, and organic barricade 206, organic gear are formed with the fringe region in organic layer 202
Wall 206 includes loom barricade 301 and multiple water oxygen barrier blocks 302, and the setting of water oxygen barrier blocks 302 is having loom barricade 301
It is interior, wherein the material of water oxygen barrier blocks 302 is water-absorbent material.It should be noted that in the present embodiment, water oxygen barrier blocks 302
Shapes and sizes are not limited thereto, and Fig. 3 is only schematically illustrate, not as limitation of the present invention.
The material of the water oxygen barrier blocks is Electrospun acetic acid nanofiber or polyacrylic based resin.
In the present embodiment, organic barricade 206 is formed in the fringe region of organic layer 202, wherein organic barricade 206 is filled
There is water-absorbent material, to achieve the purpose that improve to steam and oxygen obstruction ability, to extend the service life of oled panel.
Oled panel provided in an embodiment of the present invention and packaging method are described in detail above, it is used herein
Principle and implementation of the present invention are described for specific case, and the explanation of above example is only intended to help to understand
The present invention.Meanwhile for those skilled in the art, according to the thought of the present invention, in specific embodiments and applications
There will be changes, in conclusion the content of the present specification should not be construed as limiting the invention.
Claims (10)
1. a kind of oled panel, which is characterized in that including：
Light-emitting substrate, and at least one set of packaging film is set on the light-emitting substrate；
Packaging film described in every group includes the first inorganic layer being arranged on the light-emitting substrate, is arranged on first inorganic layer
There is organic layer, the fringe region of the organic layer is provided with organic barricade, and the organic layer is blocked in organic barricade
It is interior, the second inorganic layer for covering first inorganic layer, organic layer and organic barricade is provided on the organic layer；Wherein,
Water-absorbing material is filled in organic barricade, to improve the water oxygen obstructing capacity of oled panel.
2. oled panel according to claim 1, which is characterized in that organic barricade is cyclic structure, and described is had
Machine barricade at least surrounds the organic layer.
3. oled panel according to claim 2, which is characterized in that organic barricade includes loom barricade, and
It is arranged in the multiple water oxygen barrier blocks having in loom barricade.
4. oled panel according to claim 3, which is characterized in that the material of the water oxygen barrier blocks is Electrospun acetic acid
Nanofiber or polyacrylic based resin.
5. according to claim 2~4 any one of them oled panel, which is characterized in that described to there is loom barricade to have with described
The material of machine layer is acrylic or epoxy resin.
6. a kind of packaging method of oled panel, which is characterized in that including：
One light-emitting substrate is provided；
At least one set of packaging film is formed on the light-emitting substrate；Wherein,
Every group of packaging film includes the first inorganic layer, organic layer, the second inorganic layer being stacked on the light-emitting substrate；Its
In, form organic barricade in the fringe region of the organic layer.
7. the packaging method of oled panel according to claim 6, which is characterized in that the shape on the light-emitting substrate
The step of at least one set of packaging film, including：
The first inorganic layer is formed on the light-emitting substrate；
Organic layer is formed on first inorganic layer；
Organic barricade is formed on the fringe region of the organic layer；Wherein, the organic layer is blocked in organic barricade
It is interior；
The second inorganic layer is formed on first inorganic layer, organic layer and organic barricade.
8. the packaging method of oled panel according to claim 7, which is characterized in that organic barricade is cyclic annular ties
Structure, and organic barricade at least surrounds the organic layer.
9. the packaging method of oled panel according to claim 8, which is characterized in that organic barricade includes loom
Barricade, and be arranged in the multiple water oxygen barrier blocks having in loom barricade.
10. the packaging method of oled panel according to claim 9, which is characterized in that the material of the water oxygen barrier blocks
For Electrospun acetic acid nanofiber or polyacrylic based resin.
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| CN201810717111.2A CN108598286B (en) | 2018-07-03 | 2018-07-03 | OLED display panel and packaging method |
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| CN111180604A (en) * | 2019-03-14 | 2020-05-19 | 广东聚华印刷显示技术有限公司 | Packaging structure, preparation method thereof and display panel |
| CN111900262A (en) * | 2020-07-31 | 2020-11-06 | 合肥维信诺科技有限公司 | Display panel and preparation method thereof |
| CN111900262B (en) * | 2020-07-31 | 2022-08-05 | 合肥维信诺科技有限公司 | Display panel and preparation method thereof |
| CN112768615A (en) * | 2020-12-30 | 2021-05-07 | 厦门天马微电子有限公司 | Thin film packaging structure, manufacturing method thereof and display device |
| CN112768615B (en) * | 2020-12-30 | 2022-10-21 | 厦门天马微电子有限公司 | Thin film packaging structure, manufacturing method thereof and display device |
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