CN209312771U - Display screen and display device - Google Patents
Display screen and display device Download PDFInfo
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- CN209312771U CN209312771U CN201920029413.0U CN201920029413U CN209312771U CN 209312771 U CN209312771 U CN 209312771U CN 201920029413 U CN201920029413 U CN 201920029413U CN 209312771 U CN209312771 U CN 209312771U
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Abstract
The utility model relates to a kind of display screen and display devices, comprising: underlay substrate is divided into viewing area and non-display area；Encapsulating structure, including organic glue-line, positioned at the surface of the underlay substrate, and encapsulation film layer, positioned at the surface of organic glue-line；Two grooves are equipped in organic glue-line corresponding with the non-display area, organic glue-line between two grooves is additionally provided with sunk structure, and the sunk structure is connected to two grooves.Organic glue-line of the above-mentioned display screen between two grooves is additionally provided with the sunk structure of two grooves of connection, to separate the organic gel between two grooves, the organic gel of bulk is avoided to assemble, reduce the generation of air pocket, and then reduce the cracked phenomenon of encapsulation film layer, while also increasing the diffusion path of water oxygen, further enhance the effect of barrier water oxygen, to improve the package reliability of encapsulating structure, the ability of encapsulating structure barrier water oxygen is improved.
Description
Technical field
The utility model relates to field of display technology, more particularly to a kind of display screen and display device.
Background technique
Organic light-emitting display device is a kind of current mode light emitting semiconductor device, has actively luminous, luminous efficiency height, nothing
The advantages that visual angle limits is more and more widely used in illumination and display field.Organic light-emitting display device is to pass through
Internal OLED device carries out luminous, and OLED device is very sensitive to extraneous factors such as steam and oxygen, touches steam
It can be deteriorated with the stability of the OLED device of oxygen and the service life can reduce.Therefore use effective encapsulating structure prevention steam,
Oxygen invasion, can extend the service life of OLED device.
In traditional thin film encapsulation technology, organic layer and the alternately stacked mode of inorganic layer are generallyd use to obstruct water oxygen.
The water absorption character of organic layer can be used to buffer the invasion of water oxygen, and inorganic layer then can be used to stop the invasion of water oxygen.Meanwhile it sealing
Assembling structure is formed with dual-cavity, further to slow down the invasion of water oxygen.
During realizing traditional technology, it is found that organic glue-line between dual-cavity is easy to appear cavity, to envelope
The reliability of assembling structure generates adverse effect, so that the effect failure of encapsulating structure barrier water oxygen.
Utility model content
Based on this, it is necessary to be easy to appear the problem in cavity for organic glue-line between dual-cavity, provide one kind
Display screen.
A kind of display screen, comprising: underlay substrate is divided into viewing area and non-display area；Encapsulating structure, including organic glue-line,
Positioned at the surface of the underlay substrate, and encapsulation film layer, positioned at the surface of organic glue-line；It is corresponding with the non-display area
Organic glue-line be equipped with two grooves, and organic glue-line between two grooves is additionally provided with sunk structure, institute
It states sunk structure and is connected to two grooves.
Above-mentioned technical proposal at least has following technical effect that display screen is recessed equipped with two in organic glue-line of non-display area
Slot improves the ability of encapsulating structure barrier water oxygen for increasing the diffusion path of water oxygen.Further, between two grooves
Organic glue-line be additionally provided with connection two grooves sunk structure, with separate two grooves between organic gel, avoid bulk
Organic gel aggregation generates air pocket, and bursting encapsulates film layer, cracks encapsulation film layer, influences encapsulating structure barrier water oxygen
Ability, sunk structure are effectively separated the organic gel of bulk, reduce the generation of air pocket, and then reduce encapsulating film
The cracked phenomenon of layer, while also increasing the diffusion path of water oxygen, the effect of barrier water oxygen is further enhanced, to improve
The package reliability of encapsulating structure improves the ability of encapsulating structure barrier water oxygen.
Technical solution is described further below.
Further, the sunk structure is equipped with multiple, multiple sunk structure interval settings, multiple recess knots
Circumferential array of the structure around the viewing area.
Above-mentioned sunk structure setting is multiple, and is arranged around viewing area, can enhance the effect of partition bulk organic gel, also can
Enough play the role of obstructing water oxygen.
Further, the sunk structure include be connected to two grooves the first sunk structure be not connected to two institutes
State the second sunk structure of groove.
Above-mentioned sunk structure includes the first sunk structure for being connected to two grooves and the second recess for not being connected to two grooves
Structure can increase the complexity of sunk structure, to enhance its effect for separating bulk organic gel, while can also play barrier
The effect of water oxygen.
Further, the depth of the depth of first sunk structure and/or second sunk structure and the groove
It is identical or different.
The depth of above-mentioned first sunk structure and the second sunk structure can be set into it is identical with the depth of groove or
Different, to increase the complexity of the form of expression of the first sunk structure and the second sunk structure, enhancing its partition bulk has
The effect of machine glue, while can also play the role of obstructing water oxygen.
Further, first sunk structure and/or second sunk structure are the tortuous not intersection construction extended
Or the not intersection construction that strip extends.
The pattern form of above-mentioned first sunk structure and the second sunk structure is not limited, and can be tortuous extension
Not intersection construction, is also possible to the not intersection construction of strip extension, as long as playing the role of separating bulk organic gel.
Further, first sunk structure and second sunk structure it is arranged in a crossed manner or it is described first recess
Structure and the setting of second sunk structure interval.
The combination of above-mentioned first sunk structure and the second sunk structure is not limited, and is come from whether the two intersects
It sees, the first sunk structure can be divided into and the second sunk structure is arranged in a crossed manner or interval is arranged, can be realized bulk
Organic gel is separated into fritter, and the generation of bubble is reduced, to improve the package reliability of encapsulating structure, improves encapsulating structure barrier
The ability of water oxygen.
Further, one end of the groove from organic glue-line extends to the other end of organic glue-line, described
Groove is arranged around the viewing area.
Above-mentioned groove is arranged around viewing area, and the other end of organic glue-line is extended to from one end of organic glue-line, enhances recessed
Slot obstructs the ability of water oxygen, improves the reliability of groove.
Further, the encapsulation film layer covers organic glue-line, and the encapsulation film layer is full of the groove and described
Sunk structure.
Above-mentioned encapsulation film layer is full of groove and sunk structure, reduces the blank fill area of encapsulation film layer, so that encapsulation film layer
Good packaging effect can be played, the reliability of encapsulating structure barrier water oxygen is improved.
Further, the encapsulation film layer includes the first inorganic layer, the first organic layer and the second nothing being cascading
Machine layer, first inorganic layer are located at the surface of organic glue-line.
It include the first inorganic layer, the first organic layer and the second inorganic layer in above-mentioned encapsulation film layer, wherein inorganic layer can hinder
The invasion of water blocking oxygen, organic layer have good water imbibition, can buffer the invasion of water oxygen.
The utility model also provides a kind of display device.
A kind of display device, including as above described in any item display screens.
Above-mentioned technical proposal at least has following technical effect that display device includes above-mentioned display screen, and display screen is non-aobvious
Show that organic glue-line in area is equipped with two grooves, for increasing the diffusion path of water oxygen, improves the ability of encapsulating structure barrier water oxygen.
Further, organic glue-line between two grooves is additionally provided with the sunk structure of two grooves of connection, to separate two grooves
Between organic gel, avoid the organic gel of bulk from assembling, generate air pocket, bursting encapsulate film layer, make encapsulate film layer crack,
The ability of encapsulating structure barrier water oxygen is influenced, sunk structure is effectively separated the organic gel of bulk, reduces air pocket
Generation, and then reduce the cracked phenomenon of encapsulation film layer, while also increasing the diffusion path of water oxygen, further enhance
The effect of water oxygen is obstructed, to improve the package reliability of encapsulating structure, improves the ability of encapsulating structure barrier water oxygen.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of an embodiment of the present invention display screen；
Fig. 2 is the partial structural diagram of A structure shown in Fig. 1；
Fig. 3 is the schematic cross-section in Fig. 2 along I-I；
Fig. 4 is another schematic cross-section in Fig. 2 along I-I；
Fig. 5 is the schematic cross-section in Fig. 2 along II-II；
Fig. 6 is another schematic cross-section in Fig. 2 along II-II；
Fig. 7 is the partial structural diagram of another embodiment of A structure shown in Fig. 1；
Fig. 8 is the partial structural diagram of the another embodiment of A structure shown in Fig. 1；
Fig. 9 is in A structure shown in Fig. 1 only with the structural schematic diagram of the first sunk structure；
Figure 10 is in A structure shown in Fig. 1 only with the structural schematic diagram of the second sunk structure；
Figure 11 is in A structure shown in Fig. 1 only with the structural schematic diagram of the second sunk structure；
Figure 12 is the structural schematic diagram of an embodiment of the present invention display device.
Wherein: 100, display screen 110, underlay substrate 112, viewing area
114, non-display area 120, encapsulating structure 122, encapsulation film layer
1220, the first inorganic layer 1222, the first organic layer 1224, the second inorganic layer
124, organic glue-line 130, groove 140, sunk structure
142, the first sunk structure 144, the second sunk structure 200, display device
210, shell
Specific embodiment
To keep the above objects, features, and advantages of the utility model more obvious and easy to understand, with reference to the accompanying drawing to this
The specific embodiment of utility model is described in detail.Many details are explained in the following description in order to abundant
Understand the utility model.But the utility model can be implemented with being much different from other way described herein, this field
Technical staff can do similar improvement without prejudice to the utility model connotation, therefore the utility model is not by following public affairs
The limitation for the specific embodiment opened.
It should be noted that it can directly on the other element when element is referred to as " being fixed on " another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to
To another element or it may be simultaneously present centering elements.
Unless otherwise defined, all technical and scientific terms used herein are led with the technology for belonging to the utility model
The normally understood meaning of the technical staff in domain is identical.Used term is intended merely to describe specific reality in the description herein
Apply the purpose of example, it is not intended that in limitation the utility model.Term as used herein "and/or" includes one or more related
Listed item any and all combinations.
Bulk organic gel between two traditional grooves is easy to produce the air pocket pooled by multiple minute bubbles, atmosphere
It steeps and is easy bursting encapsulation film layer, so that the effect failure of encapsulating structure barrier water oxygen.
For this purpose, please referring to Fig. 1 to Fig. 3, an embodiment of the present invention provides a kind of display screen 100, comprising: substrate base
Plate 110 is divided into viewing area 112 and non-display area 114；Encapsulating structure 120, including organic glue-line 124 are located at underlay substrate 110
Surface, and encapsulation film layer 122, positioned at the surface of organic glue-line 124；Organic glue-line 124 corresponding with non-display area 114 is set
There are two grooves 130, and organic glue-line 124 between two grooves 130 is additionally provided with sunk structure 140, sunk structure 140 is connected to
Two grooves 130.
Encapsulating structure 120 is located at the surface of underlay substrate 110 for sealing viewing area 112, and the effect of encapsulating structure 120 is
The invasion for obstructing water oxygen prevents the invasion due to water oxygen from influencing the display effect of viewing area 112, and damage underlay substrate 110
On component.Wherein organic glue-line 124 may include planarization layer, or may include planarization layer and be located at planarization
Organic layer on layer, or the organic layer on planarization layer can be only included.In organic glue-line 124 and encapsulation film layer
It can also include anode between 122.
The shape of spaced two grooves 130 does not limit on organic glue-line 124 corresponding with non-display area 114
System.Two grooves 130 are used to increase the diffusion path of water oxygen, improve the ability that encapsulating structure 120 obstructs water oxygen.Two grooves
Two grooves 130 are connected to by the sunk structure 140 that organic glue-line 124 between 130 is arranged, i.e., two grooves 130 pass through recess
Structure 140 is connected to, and can effectively separate the organic gel of bulk, bulk organic gel is divided into multiple fritters, is reduced
The generation of air pocket, and then reduce the cracked phenomenon of encapsulation film layer 122, while can also play the diffusion for also increasing water oxygen
Path, further enhances the effect of barrier water oxygen, to improve the package reliability of encapsulating structure 120, improves encapsulating structure
The ability of 120 barrier water oxygens.
In the present embodiment, groove 130 and sunk structure 140 can carry out figure using the etching mode of exposure mask, half exposure mask
Change processing, obtains arbitrary targeted graphical.
Above-mentioned technical proposal at least has following technical effect that display screen 100 in organic glue-line 124 of non-display area 114
Two grooves 130 are equipped with, for increasing the diffusion path of water oxygen, improve the ability that encapsulating structure 120 obstructs water oxygen.Further
Ground, organic glue-line 124 between two grooves 130 is additionally provided with the sunk structure 140 of two grooves 130 of connection, to separate two
Organic gel between groove 130, avoids the organic gel of bulk from assembling, and generates air pocket, and bursting encapsulates film layer, makes to encapsulate film layer
It cracking, influences the ability of encapsulating structure barrier water oxygen, sunk structure 140 is effectively separated the organic gel of bulk,
Reduce the generation of air pocket, and then reduces the cracked phenomenon of encapsulation film layer 122, while also increasing the diffusion road of water oxygen
Diameter, further enhances the effect of barrier water oxygen, to improve the package reliability of encapsulating structure 120, improves encapsulating structure 120
Obstruct the ability of water oxygen.
Technical solution is described further below.
In one embodiment, sunk structure 140 is equipped with multiple, the setting of multiple intervals of sunk structure 140, and multiple recess
Circumferential array of the structure 140 around viewing area 112.The organic gel of bulk is carried out interrupting for part in multiple positions by this mode,
The effect that sunk structure 140 separates bulk organic gel can be enhanced, can also play the role of obstructing water oxygen.
In one embodiment, with reference to Fig. 2, Fig. 7 and Fig. 8, sunk structure 140 includes the first of two grooves 130 of connection
Sunk structure 142 and the second sunk structure 144 for not being connected to two grooves 130.This sample loading mode can increase sunk structure 140
Complexity, with enhance its separate bulk organic gel effect, while also can play the role of obstruct water oxygen.Certainly, at it
In its embodiment, the first sunk structure 142 of two grooves 130 of connection can also be only included, or only includes and is not connected to two
Second sunk structure 144 of groove 130.For example, sunk structure 140 only includes the first sunk structure 142, and first with reference to Fig. 9
Sunk structure 142 is wavy, interval setting.With reference to Figure 10, sunk structure 140 only includes the second sunk structure 144, and second
Sunk structure 144 is strip, interval setting.With reference to Figure 11, sunk structure 140 only includes the second sunk structure 144, and second is recessed
It falls into structure 144 and is provided with various shapes, including crescent shape, S shape etc..
Further, the depth of the first sunk structure 142 and/or the second sunk structure 144 is identical as the depth of groove 130
Or it is different.With reference to Fig. 3, the depth of the second sunk structure 144 and the depth of groove 130 are identical.With reference to Fig. 4, the second recess
The depth of structure 144 and the depth of groove 130 are different.It does so, it is recessed can to increase by the first sunk structure 142 and second
The complexity for falling into the pattern form of structure 144 enhances its effect for separating bulk organic gel, while can also play barrier water oxygen
Effect.
Further, the first sunk structure 142 and/or the second sunk structure 144 be the tortuous not intersection construction extended or
The not intersection construction that person's strip extends.For example, with reference to Fig. 9, the first sunk structure 142 be it is wavy, be connected to two grooves 130.
With reference to Figure 10, the second sunk structure 144 is strip, and interval is set between two grooves 130.Above-mentioned first sunk structure, 142 He
The pattern form of second sunk structure 144 is not limited, and be can be the not intersection construction of tortuous extension, is also possible to strip
The not intersection construction extended, as long as playing the role of separating bulk organic gel.
Further, the first sunk structure 142 and the second sunk structure 144 is arranged in a crossed manner or the first sunk structure 142
It is spaced and is arranged with the second sunk structure 144.For example, with reference to figs. 2 and 7, the first sunk structure 142 and the second sunk structure 144
Arranged in a crossed manner, sunk structure 140 is collectively formed in the part with common depression.With reference to Fig. 8, the first sunk structure 142 and second
The setting of the interval of sunk structure 144, that is, there is no the portions of connection between the first sunk structure 142 and the second sunk structure 144
Point.Whether the combination of above-mentioned first sunk structure 142 and the second sunk structure 144 is not limited, intersect from the two
From the point of view of, the first sunk structure 142 can be divided into and the second sunk structure 144 is arranged in a crossed manner or interval is arranged, can be realized
By the organic gel partition of bulk at the purpose of fritter, the generation of bubble is reduced, so that the encapsulation for improving encapsulating structure 120 is reliable
Property, improve the ability that encapsulating structure 120 obstructs water oxygen.
In one embodiment, one end of groove 130 from organic glue-line 124 extends to the other end of organic glue-line 124, recessed
Slot 130 is arranged around viewing area 112.In general, non-display area 114 is looped around the circumferential profile of viewing area 112, then two grooves 130
It is also to be enclosed around viewing area 112 1.Above-mentioned groove 130 is arranged around viewing area 112, and extends to from one end of organic glue-line 124
The other end of organic glue-line 124, enhancing groove 130 obstruct the ability of water oxygen, improve the reliability of groove 130.
In one embodiment, encapsulation film layer 122 covers organic glue-line 124, and encapsulation film layer 122 is full of groove 130 and recessed
Fall into structure 140.Above-mentioned encapsulation film layer 122 is full of groove 130 and sunk structure 140, reduces the blank filling of encapsulation film layer 122
Area enables encapsulation film layer 122 to play good packaging effect, improves the reliability that encapsulating structure 120 obstructs water oxygen.
In one embodiment, with reference to Fig. 3 to Fig. 6, encapsulating film layer 122 includes the first inorganic layer being cascading
1220, the first organic layer 1222 and the second inorganic layer 1224, the first inorganic layer 1220 are located at the surface of organic glue-line 124.This reality
Apply in example, display screen 100 uses thin-film package mode, inorganic layer and organic layer can also repeatedly alternately laminated setting, do not limit to
The present embodiment.In above-mentioned encapsulation film layer 122 include the first inorganic layer 1220, the first organic layer 1222 and the second inorganic layer 1224,
Wherein inorganic layer can stop the invasion of water oxygen, and organic layer has good water imbibition, can buffer the invasion of water oxygen.
With reference to Figure 12, an embodiment of the present invention additionally provides a kind of display device 200, including described in any one as above
Display screen 100.
Specifically, display device 200 further includes shell 210, is assembled with display screen 100.Display screen 100 is wrapped in shell
Inside 210, the surface exposure of display screen 100 is in external environment.The shell 210 can be by the contour edge packet of display screen 100
It encloses, makes the edge of shell 210 and the flush of display screen 100；Or shell 210 can be by the contour edge of display screen 100
After encirclement, then to the surface of display screen 100 lesser size range is extended over, is not limited to entire profile, can be part
Profile, such as symmetrical two side profile protect display screen 100.
Above-mentioned technical proposal at least has following technical effect that display device 200 includes above-mentioned display screen 100, display screen
100 are equipped with two grooves 130 in organic glue-line 124 of non-display area 114, for increasing the diffusion path of water oxygen, improve encapsulation
The ability of the barrier water oxygen of structure 120.Further, it is recessed to be additionally provided with connection two for organic glue-line 124 between two grooves 130
The sunk structure 140 of slot 130 avoids the organic gel of bulk from assembling to separate the organic gel between two grooves 130, generates big
Bubble, bursting encapsulate film layer, crack encapsulation film layer, influence the ability of encapsulating structure barrier water oxygen, and sunk structure 140 will
The organic gel of bulk is effectively separated, and the generation of air pocket is reduced, and then it is cracked to reduce encapsulation film layer 122
Phenomenon, while also increasing the diffusion path of water oxygen, the effect of barrier water oxygen is further enhanced, to improve encapsulating structure
120 package reliability improves the ability that encapsulating structure 120 obstructs water oxygen.
Each technical characteristic of above embodiments can be combined arbitrarily, for simplicity of description, not to above-described embodiment
In each technical characteristic it is all possible combination be all described, as long as however, the combination of these technical characteristics be not present lance
Shield all should be considered as described in this specification.
Above embodiments only express the several embodiments of the utility model, and the description thereof is more specific and detailed, but simultaneously
The limitation to utility model patent range therefore cannot be interpreted as.It should be pointed out that for the ordinary skill people of this field
For member, without departing from the concept of the premise utility, various modifications and improvements can be made, these belong to this reality
With novel protection scope.Therefore, the protection scope of the utility model should be determined by the appended claims.
Claims (10)
1. a kind of display screen characterized by comprising
Underlay substrate is divided into viewing area and non-display area；
Encapsulating structure, including organic glue-line are located at the organic gel positioned at the surface of the underlay substrate, and encapsulation film layer
The surface of layer；
Organic glue-line corresponding with the non-display area is equipped with two grooves, and described organic between two grooves
Glue-line is additionally provided with sunk structure, and the sunk structure is connected to two grooves.
2. display screen according to claim 1, which is characterized in that the sunk structure is equipped with multiple, multiple recess
Spacing structure setting, circumferential array of multiple sunk structures around the viewing area.
3. display screen according to claim 1, which is characterized in that the sunk structure includes two grooves of connection
First sunk structure and the second sunk structure for not being connected to two grooves.
4. display screen according to claim 3, which is characterized in that first sunk structure and/or second recess
The depth of structure and the depth of the groove are identical or different.
5. display screen according to claim 3, which is characterized in that first sunk structure and/or second recess
Structure is the tortuous not intersection construction extended or the not intersection construction that strip extends.
6. display screen according to claim 3, which is characterized in that first sunk structure and second sunk structure
Arranged in a crossed manner or described first sunk structure and the setting of second sunk structure interval.
7. display screen according to claim 1, which is characterized in that one end of the groove from organic glue-line extends to
The other end of organic glue-line, the groove are arranged around the viewing area.
8. display screen according to claim 1, which is characterized in that the encapsulation film layer covers organic glue-line, described
It encapsulates film layer and is full of the groove and the sunk structure.
9. display screen according to claim 1, which is characterized in that the encapsulation film layer includes first to be cascading
Inorganic layer, the first organic layer and the second inorganic layer, first inorganic layer are located at the surface of organic glue-line.
10. a kind of display device, which is characterized in that including display screen as described in any one of claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920029413.0U CN209312771U (en) | 2019-01-08 | 2019-01-08 | Display screen and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920029413.0U CN209312771U (en) | 2019-01-08 | 2019-01-08 | Display screen and display device |
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| Publication Number | Publication Date |
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| CN209312771U true CN209312771U (en) | 2019-08-27 |
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ID=67680688
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| CN201920029413.0U Active CN209312771U (en) | 2019-01-08 | 2019-01-08 | Display screen and display device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110783388A (en) * | 2019-10-30 | 2020-02-11 | 武汉天马微电子有限公司 | Display panel and display device |
| CN111508364A (en) * | 2020-04-30 | 2020-08-07 | 合肥维信诺科技有限公司 | Flexible display device |
| CN114822266A (en) * | 2022-05-17 | 2022-07-29 | 昆山国显光电有限公司 | Display module and display device |
-
2019
- 2019-01-08 CN CN201920029413.0U patent/CN209312771U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110783388A (en) * | 2019-10-30 | 2020-02-11 | 武汉天马微电子有限公司 | Display panel and display device |
| CN110783388B (en) * | 2019-10-30 | 2022-06-14 | 武汉天马微电子有限公司 | Display panel and display device |
| CN111508364A (en) * | 2020-04-30 | 2020-08-07 | 合肥维信诺科技有限公司 | Flexible display device |
| CN114822266A (en) * | 2022-05-17 | 2022-07-29 | 昆山国显光电有限公司 | Display module and display device |
| CN114822266B (en) * | 2022-05-17 | 2024-01-12 | 昆山国显光电有限公司 | Display module and display device |
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