CN207676946U - A kind of encapsulating structure and organic luminescent device - Google Patents
A kind of encapsulating structure and organic luminescent device Download PDFInfo
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- CN207676946U CN207676946U CN201820092519.0U CN201820092519U CN207676946U CN 207676946 U CN207676946 U CN 207676946U CN 201820092519 U CN201820092519 U CN 201820092519U CN 207676946 U CN207676946 U CN 207676946U
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Abstract
This application discloses a kind of encapsulating structure and organic luminescent device, the encapsulating structure includes：Around packaging area, multiple continuous barrier wall is set, include at least one barrier bodies on any heavy barrier wall, on non-same heavy barrier wall the blocking part for so that barrier bodies are interlaced is configured in corresponding barrier bodies, pass through the barrier bodies interlaced by blocking part being arranged on multiple continuous barrier wall, it extends water oxygen and enters the path inside packaging area, to effectively improve the ability that encapsulating structure obstructs water oxygen.
Description
Technical field
This application involves display screen technology field more particularly to a kind of encapsulating structures and organic luminescent device.
Background technology
Organic luminous layer in organic luminescent device screen body is very sensitive to moisture, oxygen etc., is easy and moisture and/or oxygen
Gas reacts and forms non-luminous stain, causes the display of organic luminescent device screen body abnormal.
In practical application, needs to be packaged screen body marginal portion in organic luminescent device preparation process, obstruct water
Oxygen enters the internal portion of screen.But when shielding body edge break, broken portion package failure, moisture and/or oxygen can pass through encapsulation
Failed areas enters the internal portion of screen, reacts with organic luminous layer, causes the display of organic luminescent device screen body abnormal.
Currently, in order to improve the ability of screen body inner barrier water oxygen, it will usually dykes and dams-be arranged with organic gel in screen body periphery
Groove encapsulating structure extends the path that water oxygen enters screen body.Fig. 1 is that the section of dykes and dams-groove encapsulating structure in the prior art shows
It is intended to.But dykes and dams-groove encapsulating structure, which still can not effectively obstruct water oxygen, to be crossed dykes and dams-groove and enters the internal portion of screen.
Utility model content
A kind of encapsulating structure of the embodiment of the present application offer and organic luminescent device, the water for solving existing encapsulating structure
The poor problem of oxygen barriering effect.
The embodiment of the present application provides a kind of encapsulating structure, and the encapsulating structure includes：
Around the multiple continuous barrier wall of packaging area setting；
It include at least one barrier bodies on any heavy barrier wall, wherein phase on the non-same heavy barrier wall
The blocking part for so that barrier bodies are interlaced is configured in corresponding barrier bodies.
Optionally, the barrier bodies relative dislocation is configured on adjacent heavy barrier wall.
Optionally, the barrier bodies on any barrier wall are constructed on adjacent heavy barrier wall, and are located at
Two barrier bodies of the barrier bodies both sides are corresponding.
Optionally, the spacing between the interlaced blocking part is in default spacing range.
Optionally, the structure of the barrier bodies is gear-like, and the blocking part is the gear tooth portions in the barrier bodies.
Optionally, the barrier bodies are made of the first inorganic material, wherein first inorganic material is obstructed with water oxygen
Characteristic.
Optionally, the barrier bodies include：First inorganic layer, organic layer and the second inorganic layer, wherein：The organic layer position
Between first inorganic layer and second inorganic layer；
First inorganic layer is made of the second inorganic material, wherein second inorganic material has water oxygen barrier special
Property；
Second inorganic layer is made of third inorganic material, wherein the third inorganic material has water oxygen barrier special
Property；
The organic layer is made of organic glue material.
Optionally, inside the packaging area it is display screen body；
First inorganic layer is generally aligned in the same plane with the first functional film layer in the display screen body；
Second inorganic layer is generally aligned in the same plane with the second functional film layer in the display screen body；
The organic layer is generally aligned in the same plane with the third functional film layer in the display screen body.
Optionally, first functional film layer is inter-level dielectric ild film layer；
The third functional film layer is polylactic acid PLA film layer.
The embodiment of the present application also provides a kind of organic luminescent device, and the organic luminescent device includes encapsulation as described above
Structure.
Above-mentioned at least one technical solution that the embodiment of the present application uses can reach following advantageous effect：
Include the encapsulating structure of multiple continuous barrier wall around packaging area setting, includes on any heavy barrier wall
At least one barrier bodies are configured in corresponding barrier bodies on non-same heavy barrier wall so that the interlaced resistance of barrier bodies
Every portion water oxygen entrance is extended by the barrier bodies interlaced by blocking part being arranged on multiple continuous barrier wall
Path inside packaging area, to effectively improve the ability that encapsulating structure obstructs water oxygen.
Description of the drawings
Attached drawing described herein is used for providing further understanding of the present application, constitutes part of this application, this Shen
Illustrative embodiments and their description please do not constitute the improper restriction to the application for explaining the application.In the accompanying drawings：
Fig. 1 is a kind of schematic cross-section of encapsulating structure provided by the embodiments of the present application；
Fig. 2 is a kind of schematic cross-section of encapsulating structure provided by the embodiments of the present application；
Fig. 3 is a kind of schematic cross-section of encapsulating structure provided by the embodiments of the present application；
Fig. 4 is the close-up schematic view of interlaced blocking part provided by the embodiments of the present application；
Fig. 5 is the vertical view and sectional view of barrier bodies in encapsulating structure provided by the embodiments of the present application；
Fig. 6 is the vertical view and sectional view of barrier bodies in encapsulating structure provided by the embodiments of the present application.
Specific implementation mode
It is described in order to realize the purpose of the application, a kind of encapsulating structure of the embodiment of the present application offer and organic luminescent device
Encapsulating structure includes：Multiple continuous barrier wall is set around packaging area, includes at least one on any heavy barrier wall
Barrier bodies are configured in corresponding barrier bodies on non-same heavy barrier wall so that the interlaced blocking part of barrier bodies, leads to
The barrier bodies interlaced by blocking part being arranged on the excessive continuous barrier wall of weight, extend water oxygen and enter packaging area
Path, to effectively improve encapsulating structure obstruct water oxygen ability.
Technical scheme is clearly and completely retouched with reference to the application specific embodiment and corresponding attached drawing
It states.Obviously, the described embodiments are only a part but not all of the embodiments of the present application.Based in the application
Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts,
It shall fall in the protection scope of this application.
Below in conjunction with attached drawing, the technical solution that each embodiment of the application provides is described in detail.
Embodiment 1
The embodiment of the present application provides a kind of encapsulating structure, including：
Around the multiple continuous barrier wall of packaging area setting；
It include at least one barrier bodies on any heavy barrier wall, wherein corresponding resistance on non-same heavy barrier wall
The blocking part for so that barrier bodies are interlaced is configured on spacer.
In the embodiment of the present application, the structure of barrier bodies is gear-like, and blocking part is the gear tooth portions in barrier bodies.
Fig. 1 is a kind of schematic cross-section of encapsulating structure provided by the embodiments of the present application.
As shown in Figure 1, encapsulating structure includes：Around the double continuous barrier wall of packaging area setting, wherein a weight
Include the barrier bodies 110 of multiple gear-likes on barrier wall, the barrier bodies of multiple gear-likes are included on another heavy barrier wall
120, barrier bodies 110 include the gear tooth portions as blocking part 111, and barrier bodies 120 include the gear teeth as blocking part 121
Part, the blocking part 111,121 of corresponding barrier bodies 110,120 is interlaced in double barrier wall.
It should be noted that the number of barrier bodies can determines according to actual conditions, here not on any heavy barrier wall
It is specifically limited.
In the prior art in the dam configuration preparation process of barrier water oxygen, need to bend by the overall structure of dykes and dams
Remodeling, common mask plate (COMMON MASK) are difficult to reach such precision, need to be prepared by fine mask (FMM)
It arrives, cost is higher.And the blocking part in the embodiment of the present application in encapsulating structure is set as gear structure, the preparation process in technique
Simply, easy to implement, for example, can be by twice mask plate mask processing procedures etc., or on the basis of original mask is designed
Directly transformation etc..
In the embodiment of the present application, barrier bodies relative dislocation is configured on adjacent heavy barrier wall.
Fig. 2 is a kind of schematic cross-section of encapsulating structure provided by the embodiments of the present application.
As shown in Fig. 2, the position relative dislocation of the barrier bodies 201 and 202 of adjacent heavy barrier wall gear shape is arranged,
In, the barrier bodies on any heavy barrier wall can be continuously arranged, and can also be spaced.
In the embodiment of the present application, constructed in the barrier bodies and adjacent heavy barrier wall on any barrier wall, and be located at
Two barrier bodies of the barrier bodies both sides are corresponding.
Fig. 3 is a kind of schematic cross-section of encapsulating structure provided by the embodiments of the present application.
As shown in figure 3, for the part that the barrier bodies on adjacent heavy barrier wall are continuously arranged, one obstructs on wall again
It is constructed in barrier bodies 301 and adjacent heavy barrier wall, and opposite positioned at two barrier bodies 302 of 301 both sides of barrier bodies and 303
It answers.
It includes the multiple continuous encapsulating structure for obstructing wall to be arranged by circular packaging area, on any heavy barrier wall
Including at least one barrier bodies, it is configured in corresponding barrier bodies so that barrier bodies are interlaced on non-same heavy barrier wall
Blocking part, by the barrier bodies interlaced by blocking part that are arranged on multiple continuous barrier wall, water oxygen enters envelope
Dress region needs, by the gap between interlaced barrier bodies, to be rather than directly into, and extends water oxygen and enters encapsulation region
Path when domain, to effectively improve the ability that encapsulating structure obstructs water oxygen.
In the embodiment of the present application, the spacing between interlaced blocking part is in default spacing range.
Fig. 4 is the close-up schematic view of interlaced blocking part provided by the embodiments of the present application.
As shown in figure 4, if there are water oxygens to enter packaging area, water oxygen is passing through interlaced blocking part shown in Fig. 4
When, since the spacing between interlaced blocking part is within the scope of pre-determined distance so that gaseous water oxygen is easy mutual at this
It liquefies at blocking part staggeredly, and then is not easy to spread in the display screen body to the inside of packaging area.
Further, since the spacing between interlaced blocking part, within the scope of pre-determined distance, gaseous water oxygen is in the phase
Mutually staggeredly blocking part at liquefy after, liquid water at interlaced blocking part since there is capillary phenomenon in liquid level tension, into
Without being spread into the display screen body inside packaging area, also blocks extraneous water oxygen and enter display screen body from there.
In the embodiment of the present application, it is 5~10um to preset spacing range.
It should be noted that default spacing range is in addition to that can be 5~10um, can also be set as according to actual conditions can
So that the spacing range of capillary phenomenon occurs in liquid, it is not specifically limited here.
In another embodiment of the application, encapsulating structure be located in organic luminescent device underlay substrate and package substrate it
Between, multiple continuous barrier wall, any heavy barrier is arranged in the packaging area around display screen body periphery in organic luminescent device
Include the barrier bodies of at least one gear-like on wall, wherein constructed in corresponding barrier bodies on non-same heavy barrier wall
It is the gear tooth portions in barrier bodies to have the blocking part for so that barrier bodies are interlaced, blocking part.
By between the underlay substrate and package substrate of organic luminescent device, surrounding display screen body in organic luminescent device
Periphery setting includes the encapsulating structure of multiple continuous barrier wall, includes at least one barrier bodies on any heavy barrier wall,
It is configured with the blocking part for so that barrier bodies are interlaced in corresponding barrier bodies on non-same heavy barrier wall, passes through multiple company
The barrier bodies interlaced by blocking part being arranged on continuous barrier wall, extend the path that water oxygen enters display screen body,
To effectively improve the ability that display screen body obstructs water oxygen.
Multiple continuous barrier wall, any heavy barrier wall is arranged in display screen body peripheral position in an organic light emitting device
The barrier bodies of upper at least one gear-like of setting, the barrier bodies of the gear-like are in organic luminescent device bending process, Ke Yigeng
Edge stress is discharged well, effectively improves the edge bend resistance characteristic of organic luminescent device.
In the embodiment of the present application, barrier bodies are made of the first inorganic material, wherein the first inorganic material is obstructed with water oxygen
Characteristic.
Fig. 5 is the vertical view and sectional view of barrier bodies in encapsulating structure provided by the embodiments of the present application.
Barrier bodies shown in Fig. 5 are made of the first inorganic material, wherein the first inorganic material has water oxygen barrier special
Property.
In practical applications, although the barrier bodies that individual first inorganic material is constituted have water oxygen barrier properties,
Still barrier bodies can be set to multilayered structure in order to avoid water oxygen obstructs defect by having certain water oxygen barrier defect.
In the embodiment of the present application, barrier bodies include：First inorganic layer, organic layer and the second inorganic layer, wherein organic layer position
Between the first inorganic layer and the second inorganic layer；
First inorganic layer is made of the second inorganic material, wherein the second inorganic material has water oxygen barrier properties；
Second inorganic layer is made of third inorganic material, wherein third inorganic material has water oxygen barrier properties；
Organic layer is made of organic glue material.
Fig. 6 is the vertical view and sectional view of barrier bodies in encapsulating structure provided by the embodiments of the present application.
Barrier bodies in Fig. 6 include：First inorganic layer 601, organic layer 602 and the second inorganic layer 603, wherein：
First inorganic layer 601 is set on underlay substrate, and the first inorganic layer 601 is made of the second inorganic material, wherein the
Two inorganic material have water oxygen barrier properties；
Second inorganic layer 603 is set on package substrate, and the second inorganic layer 603 is made of third inorganic material, wherein the
Three inorganic material have water oxygen barrier properties；
Organic layer 602 is between the first inorganic layer 601 and the second inorganic layer 603, and organic layer 602 is by organic glue material structure
At.
By setting barrier bodies to inorganic layer-organic layer spacer structure so that organic layer can make up the water of inorganic layer
Oxygen obstructs defect, can preferably improve the water oxygen barrier properties of encapsulating structure.
It should be noted that the number of plies of inorganic layer and the layer of organic layer in the barrier bodies of inorganic layer-organic layer spacer structure
Number can be arranged according to actual conditions, be not specifically limited here.
In the embodiment of the present application, the first inorganic material, the second inorganic material and third inorganic material are following inorganic material
One of：Silica, silicon nitride.
It should be noted that the first inorganic material, the second inorganic material and third inorganic material can be identical, it can not also
Together, it is not specifically limited here.
It is display screen body in the embodiment of the present application, inside packaging area；
First inorganic layer is generally aligned in the same plane with the first functional film layer in display screen body；
Second inorganic layer is generally aligned in the same plane with the second functional film layer in display screen body；
Organic layer is generally aligned in the same plane with the third functional film layer in display screen body.
It should be noted that the first inorganic layer, the second inorganic layer and organic layer are located at different planes.
In the embodiment of the present application, the first inorganic layer is prepared with the first functional film layer by the first mask plate；
Second inorganic layer is prepared with the second functional film layer by the second mask plate；
Organic layer is prepared with third functional film layer by third mask plate.
In the embodiment of the present application, the first functional film layer is inter-level dielectric ild film layer；
Second functional film layer is metallic cathode film layer or anode ito film layer；
Third functional film layer is polylactic acid PLA film layer.
Display screen body in organic luminescent device is multiple film layer structure, and any barrier bodies in encapsulating structure are also multiple film layer
Structure, and encapsulating structure, around display screen body periphery, therefore, a certain functional film layer in display screen body can be with certain in barrier bodies
One material layer is generally aligned in the same plane.
For example, the first inorganic layer in barrier bodies is generally aligned in the same plane with ild film layer in display screen body, it is organic in barrier bodies
Layer is generally aligned in the same plane with PLA film layer in display screen.
It should be noted that the first functional film layer can also be aobvious according to actual conditions other than it can be ild film layer
Other film layers in display screen body, third functional film layer can also be display screens according to actual conditions other than it can be film layer
Other film layers in body, the second functional film layer can be a certain film layer in display screen body according to actual conditions, do not do have here
Body limits.
In organic luminescent device preparation process, for the film layer in being generally aligned in the same plane, same mask plate may be used
(mask) it is prepared, to save mask plate cost, promotes preparation efficiency.
For example, for the first inorganic layer and ild film layer in being generally aligned in the same plane, can be prepared by the first mask plate
It arrives.
The technical solution that the application records includes the encapsulation knot of multiple continuous barrier wall around packaging area setting
Structure, includes at least one barrier bodies on any heavy barrier wall, is constructed in corresponding barrier bodies on non-same heavy barrier wall
There is the blocking part for so that barrier bodies are interlaced, it is interlaced by blocking part by being arranged on multiple continuous barrier wall
Barrier bodies, extend the path that water oxygen enters packaging area, to effectively improve encapsulating structure obstruct water oxygen ability.
Simultaneously, the embodiment of the present application also provides a kind of organic luminescent device, which includes as above
The encapsulating structure.
The utility model is that reference is described according to the structural schematic diagram of the device (equipment) of the utility model embodiment.
Although the preferred embodiment of the utility model has been described, once a person skilled in the art knows basic creative general
It reads, then additional changes and modifications can be made to these embodiments.So it includes preferred real that the following claims are intended to be interpreted as
It applies example and falls into all change and modification of the scope of the utility model.
Obviously, those skilled in the art can carry out the utility model various modification and variations without departing from this practicality
Novel range.In this way, if these modifications and variations of the present invention belong to the utility model claims and its are equal
Within the scope of technology, then the utility model is also intended to include these modifications and variations.
Claims (10)
1. a kind of encapsulating structure, which is characterized in that including：
Around the multiple continuous barrier wall of packaging area setting；
Include at least one barrier bodies on any heavy barrier wall, wherein corresponding on the non-same heavy barrier wall
Barrier bodies on be configured with so that the interlaced blocking part of barrier bodies.
2. encapsulating structure according to claim 1, which is characterized in that
The barrier bodies relative dislocation is configured on adjacent heavy barrier wall.
3. encapsulating structure according to claim 2, which is characterized in that
It is constructed in the barrier bodies and adjacent heavy barrier wall on any barrier wall, and is located at the barrier bodies two
Two barrier bodies of side are corresponding.
4. encapsulating structure according to claim 1, which is characterized in that
Spacing between the interlaced blocking part is in default spacing range.
5. encapsulating structure according to claim 1, which is characterized in that
The structure of the barrier bodies is gear-like, and the blocking part is the gear tooth portions in the barrier bodies.
6. encapsulating structure as described in any one in claim 1-5, which is characterized in that the barrier bodies are by the first inorganic material structure
At, wherein first inorganic material has water oxygen barrier properties.
7. encapsulating structure as described in any one in claim 1-5, which is characterized in that the barrier bodies include：First inorganic layer,
Organic layer and the second inorganic layer, wherein：The organic layer is between first inorganic layer and second inorganic layer；
First inorganic layer is made of the second inorganic material, wherein second inorganic material has water oxygen barrier properties；
Second inorganic layer is made of third inorganic material, wherein the third inorganic material has water oxygen barrier properties；
The organic layer is made of organic glue material.
8. encapsulating structure as claimed in claim 7, which is characterized in that be display screen body inside the packaging area；
First inorganic layer is generally aligned in the same plane with the first functional film layer in the display screen body；
Second inorganic layer is generally aligned in the same plane with the second functional film layer in the display screen body；
The organic layer is generally aligned in the same plane with the third functional film layer in the display screen body.
9. encapsulating structure as claimed in claim 8, which is characterized in that first functional film layer is inter-level dielectric ild film layer；
The third functional film layer is polylactic acid PLA film layer.
10. a kind of organic luminescent device, wherein the organic luminescent device includes such as claim 1-9 any one of them
Encapsulating structure.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820092519.0U CN207676946U (en) | 2018-01-19 | 2018-01-19 | A kind of encapsulating structure and organic luminescent device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820092519.0U CN207676946U (en) | 2018-01-19 | 2018-01-19 | A kind of encapsulating structure and organic luminescent device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110148683A (en) * | 2019-05-31 | 2019-08-20 | 京东方科技集团股份有限公司 | Display panel and preparation method thereof |
-
2018
- 2018-01-19 CN CN201820092519.0U patent/CN207676946U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110148683A (en) * | 2019-05-31 | 2019-08-20 | 京东方科技集团股份有限公司 | Display panel and preparation method thereof |
| WO2020238379A1 (en) * | 2019-05-31 | 2020-12-03 | 京东方科技集团股份有限公司 | Display panel and manufacturing method therefor |
| CN110148683B (en) * | 2019-05-31 | 2022-11-22 | 京东方科技集团股份有限公司 | Display panel and manufacturing method thereof |
| US11569315B2 (en) | 2019-05-31 | 2023-01-31 | Boe Technology Group Co., Ltd. | Display panel and manufacturing method thereof |
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