CN106848107A - A kind of organic electroluminescence display panel and organic light-emitting display device - Google Patents
A kind of organic electroluminescence display panel and organic light-emitting display device Download PDFInfo
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- CN106848107A CN106848107A CN201710286716.6A CN201710286716A CN106848107A CN 106848107 A CN106848107 A CN 106848107A CN 201710286716 A CN201710286716 A CN 201710286716A CN 106848107 A CN106848107 A CN 106848107A
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- barricade
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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
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- 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
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Abstract
The invention discloses a kind of organic electroluminescence display panel and organic light-emitting display device.The organic electroluminescence display panel includes：Substrate, organic light-emitting structure, at least one barricade, at least one barricade is set around the organic light-emitting structure, and along the direction of the substrate geometric center points toward edge, at least one barricade is arranged in order；Along the vertical direction of the substrate and the organic light-emitting structure stacked direction, the nearest barricade of substrate edges described in distance is the first barricade at least one barricade, and at least described first barricade is connected by the sub- barricade of one or more nonlinear type and formed.Technical scheme provided in an embodiment of the present invention, connected by the sub- barricade of one or more nonlinear type by least described first barricade of setting and formed, so that at least the first barricade is increased by stress plane, the stress that edge is produced when playing a part of to disperse organic light-emitting display device to bend, and then the crackle produced by stress is avoided to viewing area extension.
Description
Technical field
The present embodiments relate to organic light emitting display technology, more particularly to a kind of organic electroluminescence display panel and organic hair
Electro-optical display device.
Background technology
Organic light-emitting display device has the advantages that high-contrast, wide viewing angle, low-power consumption, volume are thinner, is current flat board
Attract attention one of most technologies in Display Technique.It is different from traditional flat-panel monitor, if organic light-emitting display device is adopted
Can real Flexible Displays as substrate with flexible material such that it is able to make fantasy visual effect.Flexible organic light emission shows
Showing device can be capable of achieving multi-field application, such as rollable display device by its flexible.
The non-display area of flexible organic light-emitting display device is usually provided with the barricade around viewing area, for controlling to encapsulate
Region and prevent cutting produce crackle to viewing area spread.But above-mentioned barricade width of the prior art is larger, and with
Cutting edge it is closer to the distance, therefore flexible organic light-emitting display device is also easy to produce crackle when bending at barricade position, produces
Crackle can quickly extend to viewing area, influence the packaging effect and service life of organic electroluminescence display panel.
The content of the invention
The invention provides a kind of organic electroluminescence display panel and organic light-emitting display device, to enable barrier wall structure
Play a part of blocking crackle well to extend to viewing area.
In a first aspect, a kind of organic electroluminescence display panel is the embodiment of the invention provides, the organic electroluminescence display panel
Including：
Substrate；
Switching device layer, the switching device layer is located on the substrate；
Organic light-emitting structure, the organic light-emitting structure is located on switching device layer；
At least one barricade, at least one barricade is set around the organic light-emitting structure, and along the substrate
The direction of geometric center points toward edge, at least one barricade is arranged in order；
Thin-film encapsulation layer, the thin-film encapsulation layer covers the organic light-emitting structure and at least one barricade；
Wherein, the organic light-emitting structure is located at the viewing area of the organic electroluminescence display panel, described at least to keep off together
Wall is located around the non-display area that the viewing area is set；
Along the vertical direction of the substrate and the organic light-emitting structure stacked direction, distance at least one barricade
The nearest barricade of the substrate edges is the first barricade, and at least described first barricade is connected by the sub- barricade of one or more nonlinear type
Connect to be formed.
Second aspect, the embodiment of the present invention additionally provides a kind of organic light-emitting display device, the organic light emitting display dress
Put including the organic electroluminescence display panel described in above-mentioned first aspect.
Organic electroluminescence display panel provided in an embodiment of the present invention, including substrate, switching device layer, thin-film encapsulation layer, have
Machine ray structure and at least one barricade, wherein, at least one barricade is set around organic light-emitting structure, and several along substrate
The direction of what center points toward edge, at least one barricade is arranged in order, vertical with organic light-emitting structure stacked direction along substrate
Direction, the barricade nearest apart from substrate edges is the first barricade at least one barricade, by setting at least the first barricade by one
Bar or the sub- barricade of a plurality of nonlinear type connect to be formed so that being increased by stress plane at least the first barricade, play the organic hair of dispersion
Electro-optical display device bend when edge produce stress effect, and then avoid by stress produce crackle prolong to viewing area
Stretch.
Brief description of the drawings
By the detailed description made to non-limiting example made with reference to the following drawings of reading, it is of the invention other
Feature, objects and advantages will become more apparent upon：
Fig. 1 is a kind of overlooking the structure diagram of organic electroluminescence display panel provided in an embodiment of the present invention；
Fig. 2 is the cross-sectional view of the dotted line AB along Fig. 1；
Fig. 3 is another cross-sectional view of the dotted line AB along Fig. 1；
Fig. 4 is the overlooking the structure diagram of another organic electroluminescence display panel provided in an embodiment of the present invention；
Fig. 5 is another cross-sectional view of the dotted line AB along Fig. 1；
Fig. 6 is another cross-sectional view of the dotted line AB along Fig. 1；
Fig. 7 is another cross-sectional view of the dotted line AB along Fig. 1；
Fig. 8 is the overlooking the structure diagram of another organic electroluminescence display panel provided in an embodiment of the present invention；
Fig. 9 is a kind of structural representation of organic light-emitting display device provided in an embodiment of the present invention.
Specific embodiment
Further to illustrate the present invention to reach technological means and effect that predetermined goal of the invention is taken, below in conjunction with
Accompanying drawing and preferred embodiment, to the specific embodiment according to a kind of display panel proposed by the present invention and preparation method thereof, knot
Structure, feature and its effect, describe in detail as after.
A kind of organic electroluminescence display panel is the embodiment of the invention provides, the organic electroluminescence display panel includes：
Substrate；
Switching device layer, the switching device layer is located on the substrate；
Organic light-emitting structure, the organic light-emitting structure is located on switching device layer；
At least one barricade, at least one barricade is set around the organic light-emitting structure, and along the substrate
The direction of geometric center points toward edge, at least one barricade is arranged in order；
Thin-film encapsulation layer, the thin-film encapsulation layer covers the organic light-emitting structure and at least one barricade；
Wherein, the organic light-emitting structure is located at the viewing area of the organic electroluminescence display panel, described at least to keep off together
Wall is located around the non-display area that the viewing area is set；
Along the vertical direction of the substrate and the organic light-emitting structure stacked direction, distance at least one barricade
The nearest barricade of the substrate edges is the first barricade, and at least described first barricade is connected by the sub- barricade of one or more nonlinear type
Connect to be formed.
Organic electroluminescence display panel provided in an embodiment of the present invention, including substrate, switching device layer, thin-film encapsulation layer, have
Machine ray structure and at least one barricade, wherein, at least one barricade is set around organic light-emitting structure, and several along substrate
The direction of what center points toward edge, at least one barricade is arranged in order, vertical with organic light-emitting structure stacked direction along substrate
Direction, the barricade nearest apart from substrate edges is the first barricade at least one barricade, by setting at least the first barricade by one
Bar or the sub- barricade of a plurality of nonlinear type connect to be formed so that being increased by stress plane at least the first barricade, play the organic hair of dispersion
Electro-optical display device bend when edge produce stress effect, and then avoid by stress produce crackle prolong to viewing area
Stretch.
Above is the core concept of the application, below in conjunction with the accompanying drawing in the embodiment of the present invention, to the embodiment of the present invention
In technical scheme be clearly and completely described, it is clear that described embodiment is only a part of embodiment of the invention,
Rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not making creative labor
Under the premise of dynamic, the every other embodiment for being obtained belongs to the scope of protection of the invention.
Many details are elaborated in the following description in order to fully understand the present invention, but the present invention can be with
Other embodiment described here is different from using other to implement, those skilled in the art can be without prejudice in the present invention
Similar popularization is done in the case of culvert, therefore the present invention is not limited by following public specific embodiment.
Secondly, the present invention is described in detail with reference to schematic diagram, when the embodiment of the present invention is described in detail, for purposes of illustration only, table
The schematic diagram of showing device device architecture not makees partial enlargement according to general ratio, and described to attempt simply example, its
This should not limit the scope of protection of the invention.Additionally, the three dimensions of length, width and height should be included in actual fabrication
Size.
Fig. 1 is a kind of overlooking the structure diagram of organic electroluminescence display panel provided in an embodiment of the present invention.Fig. 2 is along figure
The cross-sectional view of dotted line AB in 1.As depicted in figs. 1 and 2, organic electroluminescence display panel includes substrate 100, switching device
Layer 200, the switching device layer 200 is located on the substrate 100.Organic light-emitting structure 300, the organic light-emitting structure 300
On switching device layer 200.At least one barricade 400, at least one barricade 400 is around the organic light emission
Structure 300 is set, and along the direction of the geometric center points toward edge of the substrate 100, at least one barricade 400 is arranged successively
Row.Thin-film encapsulation layer 500, the thin-film encapsulation layer 500 covers the organic light-emitting structure 300 and at least one barricade
400.Wherein, the organic light-emitting structure 300 is located at the viewing area 10 of the organic electroluminescence display panel, described at least to keep off together
Wall 400 is located around the non-display area 20 of the setting of the viewing area 10, along the substrate 100 and the organic light-emitting structure 300
The vertical direction X of stacked direction Y, the nearest barricade 400 of substrate frontside edge described in distance is at least one barricade 400
First barricade 410, at least described first barricade 410 is connected by the sub- barricade of one or more nonlinear type and formed.
It should be noted that when organic light-emitting display device is bent, the substrate 100 near bending place is stressed work
With the stress is easily caused substrate frontside edge or at least one barricade 400 is especially cracked the edge of the first barricade 410.It is existing
The barricade 400 for having routine in technology is connected by the sub- barricade of one or more linear pattern and formed, relative to barricade of the prior art
400, the overall length of the first barricade 410 for being formed is connected by the sub- barricade of one or more nonlinear type in the present embodiment longer.By
In with longer length, when organic light-emitting display device is bent, the stress ratio born in the unit area of the first barricade 410
Barricade of the prior art 400 is small, and peptizaiton is served to stress, reduces what the edge of the first barricade 410 cracked
Probability, while can effectively stop that the crackle that substrate frontside edge is produced extends to the direction of viewing area 10.It is understood that working as
When organic light-emitting display device is bent, the stress being subject to closer to the inorganic structure of substrate frontside edge is bigger, due to first gear
Wall 410 is nearest apart from substrate frontside edge at least one barricade 400, thus the first barricade 410 is set to by one or
The a plurality of sub- barricade of nonlinear type connects to be formed can effectively reduce probability that at least one edge of barricade 400 crack and strong
Degree, at least one barricade 400 of lifting stops the effect of crack growth.When organic light-emitting display device is bent the side of metacoxal plate 100
It is the barrier effect for strengthening at least one barricade 400 to crackle, and avoid at least one simultaneously when the stress born near edge is larger
Cracked due to bearing larger stress at other barricades 400 in road barricade 400 in addition to the first barricade 410, can be with
Other one or multi-channel barricades 400 are by the sub- barricade connection shape of one or more nonlinear type in setting at least one barricade 400
Into, the present embodiment is not specifically limited to the structure of other barricades 400 at least one barricade 400 in addition to the first barricade 410,
Operating personnel can carry out appropriate adjusted design to it according to actual needs.
Also, it should be noted that Fig. 1 only includes carrying the present embodiment as a example by twice barricade 400 by least one barricade 400
The technical scheme of confession is illustrated, rather than the quantity of barricade 400 included at least one barricade 400 in the present embodiment restriction,
It is understood that in the present embodiment barricade 400 quantity can also for together, three roads or more than three roads.It is worth noting that,
Barricade 400 has certain width, and to realize that at least one barricade 400 is defined to the packaging area of thin-film encapsulation layer 500
Function, having a certain distance between adjacent barricade 400, therefore set multiple tracks barricade 400 in non-display area 20 to be unfavorable for
The narrow frame of organic light-emitting display device, it is contemplated that above mentioned problem, the quantity that the present embodiment preferably sets barricade 400 is big
In equal to together less than or equal to five roads.
In the present embodiment, the sub- barricade of nonlinear type can be the sub- barricade of the outer arbitrary shape of straight line, such as sawtooth pattern, ripple
Wave type or irregular shape etc..Exemplary, the first barricade 410 shown in Fig. 1 by four sub- barricades of sawtooth pattern it is considered that connected
Connect to be formed, and than the first barricade 410 apart from viewing area 10 closer to the second barricade 420 be then to be connected by the sub- barricades of four linear patterns
Formed.It is understood that the vertical view face shaping of display panel is rectangle in Fig. 1, non-display area 20 can be according to relatively aobvious
Show that the position in area 10 is divided into the subregion that four head and the tail are sequentially connected, include that of the first barricade 410 is non-per sub-regions
The sub- barricade of linear pattern.When the vertical view face shaping of organic electroluminescence display panel is no longer rectangle, but when circular, non-display area 20
Edge, can be along the edge of viewing area 10 in the non-of one curve extension of the interior setting of non-display area 20 there is no obvious division limits
The sub- barricade head and the tail connection of linear pattern forms barricade 400, and now the barricade 400 is connected by a sub- barricade of nonlinear type and formed.
Similarly, when the vertical view face shaping of display panel changes, the quantity of the sub- barricade of nonlinear type that barricade 400 includes can also be
Other quantity together and outside four roads, the present embodiment is not specifically limited to this.
The organic electroluminescence display panel that the present embodiment is provided, including substrate 100, switching device layer 200, thin-film encapsulation layer
500th, organic light-emitting structure 300 and at least one barricade 400, wherein, at least one barricade 400 is around organic light-emitting structure
300 are set, and along the direction of the geometric center points toward edge of substrate 100, at least one barricade 400 is arranged in order, along substrate 100 with
The vertical direction of the stacked direction of organic light-emitting structure 300, the barricade nearest apart from substrate frontside edge at least one barricade 400
400 is the first barricade 410, is connected by the sub- barricade of one or more nonlinear type by setting at least the first barricade 410 and is formed, and is made
Being increased by stress plane at least the first barricade 410 is obtained, the stress that edge is produced when dispersion organic light-emitting display device bends is played
Effect, and then avoid by stress produce crackle extend to viewing area 10.
Exemplary, the substrate 100 can be flexible base board 100 in the present embodiment.So that organic light emitting display face
The affiliated organic light-emitting display device of plate is bent, and then realizes Flexible Displays.
Optionally, the material of at least one barricade 400 can be polyimides or polyimides and SiO2Composite wood
Material.
As shown in Fig. 2 first cross-sectional width span of at least one barricade 400 perpendicular to the direction of the substrate 100
Can be 7-25 μm, wherein, the first section is vertical with the bearing of trend of corresponding barricade 400.It should be noted that in Fig. 1
One barricade 410 and the second barricade 420 are such as each section of correspondence display in Fig. 2 perpendicular to first section in the direction of substrate 100.Extremely
When width of one barricade 400 perpendicular to first section in the direction of substrate 100 is excessive less, between the adjacent barricade 400 of maintenance
Away from first barricade 410 nearest apart from substrate frontside edge is in small distance with substrate frontside edge so that organic light emitting display is filled
Put that the stress that the first barricade 410 is subject to when being bent is larger, be unfavorable for reducing the generation probability of crackle.At least one barricade 400
When the first interface width perpendicular to the direction of substrate 100 is too small, the effect that barricade 400 limits thin-film encapsulation layer packaging area can not
Realize well.Consider above-mentioned two aspects reason, the present embodiment sets at least one barricade 400 perpendicular to the side of substrate 100
To the first cross-sectional width span be 7-25 μm.On the other hand, at least one conventional Poisson's ratio for forming material of barricade 400
In polyimide material Poisson's ratio and polyimides and SiO2Between composite Poisson's ratio, wherein, polyimide material Poisson
Than v1=0.37, polyimides and SiO2Composite Poisson's ratio v2=0.436.Additionally, at least one barricade 400 is being bent
During its top being stretched than bottom more apart from D=3.14H, H is at least one height of barricade 400.So, to protect
During card organic light-emitting display device is bent, at least one barricade 400 will not be damaged, and limit at least one barricade
400 perpendicular to the direction of substrate 100 the first cross-sectional width W=D/v, by D=3.14H, H=1-3 μm, v1=0.37 and v2=
0.436 brings above-mentioned formula into can obtain span of at least one barricade 400 perpendicular to first cross-sectional width in the direction of substrate 100
It is 7-25 μm.
It should be noted that width of at least one barricade 400 perpendicular to first section in the direction of substrate 100 in the present embodiment
Degree is smaller compared to the width of barricade 400 in the prior art, and on the one hand such setting cause at least one barricade 400 with display
The distance between edge of area 10 becomes big, and on the other hand the region can have more space wiring, can ensure adjacent barricade
Increase the distance of the first barricade of outermost 410 and substrate frontside edge on the premise of 400 spacing, it is to avoid the generation of crackle.
Referring to Fig. 2, when the quantity of barricade 400 that at least one barricade 400 includes is equal to or more than 2, adjacent twice institute
The span for stating the spacing d of barricade 400 can be 25-200 μm.Such setting can either ensure that at least one barricade 400 is real
The restriction of scope is now encapsulated to thin-film encapsulation layer 500, enables at least one barricade 400 to be set as close to viewing area 10 again
Put, first barricade 410 nearest apart from substrate frontside edge increases as far as possible with the distance of substrate frontside edge, and then reduce the
The size that one barricade 410 is stressed.
The thin-film encapsulation layer 500 in Fig. 2 includes two inorganic layers 510 and an organic layer 520, the inorganic layer
510 and the interval setting of the organic layer 520, two of which inorganic layer 510 includes the first inorganic layer 510/1 and the second inorganic layer
510/2.It should be noted that the structure of Fig. 2 merely exemplary explanation thin-film encapsulation layer 500, in the present embodiment, thin-film package
Layer 500 can include at least two inorganic layers 510 and at least one organic layer 520.It should be noted that the application meaning is thin
The structure of film encapsulated layer 500 is not limited, for example, can also be comprising more than the inorganic layer of two-layer and organic more than a layer
Layer, or comprising inorganic layer less than two-layer etc..
With continued reference to Fig. 2, when the quantity of barricade 400 that at least one barricade 400 includes is equal to or more than 2, film envelope
At least two inorganic layers 510 in dress layer 500 can cover at least one barricade 400 in addition to first barricade 410.
To enable that each inorganic layer 510 and organic layer 520 in thin-film encapsulation layer 500 are stopped by corresponding barricade 400 respectively, more preferably
Prevent the crackle of panel cutting edge from being extended to viewing area, and barricade 400 is better achieved thin-film encapsulation layer 500 is encapsulated
The attributive function in region and the packaging effect to organic luminous panel.
It is exemplary, in fig. 2, along the stacked direction Y of the substrate 100 and the organic light-emitting structure 300, it is described extremely
Few one span of the height of barricade 400 can be 1-3 μm.At least one excessive height of barricade 400 can cause organic hair
Be also easy to produce crackle when electro-optical display device is bent, it is highly too low and cannot in block film encapsulated layer 500 organic layer border, examine
Consider above mentioned problem, it is 1-3 μm that embodiments herein sets at least one span of the height of barricade 400.
As shown in Fig. 2 when the quantity of barricade 400 that at least one barricade 400 includes is equal to or more than 2, along the base
The stacked direction Y of plate 100 and the organic light-emitting structure 300, the height of at least one barricade 400 can be with identical.So
The planarizing being provided with beneficial to panel surface.
Fig. 3 is another cross-sectional view of the dotted line AB along Fig. 1.As shown in figure 3, at least one barricade
When 400 quantity of barricade 400 for including are equal to or more than 2, along the stacking side of the substrate 100 and the organic light-emitting structure 300
It is bigger closer to the height of the barricade 400 of the organic light-emitting structure 300 at least one barricade 400 to Y.With regard to Fig. 3 institutes
For showing, the height closer to the barricade 400 of the organic light-emitting structure 300 is bigger, i.e., the height of the second barricade 420 is more than the
One barricade 410.At least one barricade 400 stretches realization by each film layer in block film encapsulated layer 500 to area epitaxy is defined
Restriction to the packaging area of thin-film encapsulation layer 500, referring to Fig. 3, closer to the film that the barricade 400 of organic light-emitting structure 300 stops
Layer is more, therefore, for the function of ensureing at least one barricade 400 is normally realized, can set closer to organic light-emitting structure 300
The height of barricade 400 it is bigger.
With continued reference to Fig. 1 and Fig. 2, in the vertical plane of the substrate 100 and the stacked direction Y of the organic light-emitting structure 300
On, the sub- barricade of nonlinear type can be the sub- barricade of sawtooth pattern.Fig. 4 is another organic light emission provided in an embodiment of the present invention
The overlooking the structure diagram of display panel.The structure of organic electroluminescence display panel and organic light emitting display face shown in Fig. 1 in Fig. 4
Hardened structure is similar, unlike, in Fig. 4, in the vertical plane of the substrate 100 and the stacked direction of the organic light-emitting structure 300
On, the sub- barricade of nonlinear type is the sub- barricade of undaform.It should be noted that first barricade 410 includes in Fig. 1 and Fig. 4
The shape of sub- barricade is only illustrated as an example, rather than the sub- barricade shape included to the first barricade 410 restriction, can
Dispersive stress is reached, on the premise of reducing the edge crackle generation intensity of the first barricade 410 and probability, the first barricade 410 includes
Sub- barricade shape can be any nonlinear type, each sub- barricade shape for being contained in same first barricade 410 can be with identical
Can be with difference.
With continued reference to Fig. 2, the shape in first section of at least one barricade 400 perpendicular to the direction of the substrate 100
It can be rectangle.In the other embodiment of embodiment, at least one barricade 400 is perpendicular to the direction of the substrate 100
The shape in the first section can also be other shapes.Exemplary, Fig. 5 is another cross-section structure of the dotted line AB along Fig. 1
Schematic diagram.As shown in figure 5, shape of at least one barricade 400 perpendicular to first section in the direction of substrate 100 can be triangle
Shape.Fig. 6 is another cross-sectional view of the dotted line AB along Fig. 1.As shown in fig. 6, at least one barricade 400 is perpendicular to base
Being shaped as first section in the direction of plate 100 is trapezoidal.Fig. 7 is another cross-sectional view of the dotted line AB along Fig. 1.As schemed
Shown in 7, at least one barricade 400 is shaped as half elliptic perpendicular to first section in the direction of substrate 100.Wherein, Fig. 2, figure
5th, bearing of trend of first section in Fig. 6 and Fig. 7 with the corresponding barricade 400 is vertical.It should be noted that Fig. 2,
Fig. 5, Fig. 6 it is merely exemplary with Fig. 7 give at least together with first section of the barricade 400 perpendicular to the direction of substrate 100 shape,
Shape of the present embodiment at least one barricade 400 perpendicular to first section in the direction of substrate 100 is not specifically limited, can
On the premise of realizing at least one function of barricade 400, at least one barricade 400 is perpendicular to first section in the direction of substrate 100
Shape can also be the other shapes outside above-mentioned example.
Fig. 8 is the overlooking the structure diagram of another organic electroluminescence display panel provided in an embodiment of the present invention.Have in Fig. 8
The structure of machine light emitting display panel is similar to the structure of organic electroluminescence display panel in Fig. 1, unlike, all barricades in Fig. 8
400 connect to be formed by the sub- barricade of one or more nonlinear type.In such design, the identical length of every one barricade 400
It is longer compared with the length of barricade 400 that is formed is connected by the sub- barricade of one or more linear pattern in the prior art, it is aobvious in organic light emission
When showing device is bent, the stress ratio barricade 400 of the prior art born in the unit area of each barricade 400 is small, and stress is risen
Peptizaiton has been arrived, the probability that the edge of each barricade 400 cracks has been reduced.On the other hand, due to the unit plane of each barricade 400
The stress born in product diminishes, and stress total at the position of each barricade 400 is constant, therefore, the bending resistance of each barricade 400
Become strong, and then reach the beneficial effect of the overall bending resistance of at least one barricade of lifting 400.Additionally, all barricades 400 are by one
Bar or the sub- barricade of a plurality of nonlinear type connect to be formed, and can further lift the integrated stress dispersion of display panel top retaining wall 400
Ability, and then the intensity and probability cracked at the structure integral edge of barricade 400 are reduced, and strengthen the structure entirety of barricade 400
Stop the ability that crackle extends to viewing area 10, more effectively reach the purpose for protecting the structure of viewing area 10 to be damaged from crackle.
It should be noted that Fig. 8 includes that the first barricade 410 and the twice of the second barricade 420 are kept off with organic electroluminescence display panel
Illustrated as a example by wall 400, rather than the quantity of barricade 400 included to organic electroluminescence display panel restriction, in the present embodiment
In other embodiment, organic electroluminescence display panel can also be included together or more than the barricade 400 of twice.
Fig. 9 is a kind of structural representation of organic light-emitting display device provided in an embodiment of the present invention.As shown in figure 9, having
Machine luminous display unit 30 includes that the TV of the organic electroluminescence display panel 31 described in any embodiment of the present invention, desktop show
Device, notebook computer, panel computer, electrophoretic display device (EPD), car-mounted display, industry control show, mobile phone, digital camera, wrist-watch, bracelet,
Any display device such as intelligent glasses, Electronic Paper, including but not limited to above-mentioned terminal display device.
Note, above are only presently preferred embodiments of the present invention and institute's application technology principle.It will be appreciated by those skilled in the art that
The invention is not restricted to specific embodiment described here, can carry out for a person skilled in the art various obvious changes,
Readjust and substitute without departing from protection scope of the present invention.Therefore, although the present invention is carried out by above example
It is described in further detail, but the present invention is not limited only to above example, without departing from the inventive concept, also
More other Equivalent embodiments can be included, and the scope of the present invention is determined by scope of the appended claims.
Claims (14)
1. a kind of organic electroluminescence display panel, it is characterised in that including：
Substrate；
Switching device layer, the switching device layer is located on the substrate；
Organic light-emitting structure, the organic light-emitting structure is located on switching device layer；
At least one barricade, at least one barricade is set around the organic light-emitting structure, and along the substrate geometry
The direction of center points toward edge, at least one barricade is arranged in order；
Thin-film encapsulation layer, the thin-film encapsulation layer covers the organic light-emitting structure and at least one barricade；
Wherein, the organic light-emitting structure is located at the viewing area of the organic electroluminescence display panel, at least one barricade position
In the non-display area set around the viewing area；
Along the vertical direction of the substrate and the organic light-emitting structure stacked direction, at least one barricade described in distance
The nearest barricade of substrate edges is the first barricade, and at least described first barricade is by the sub- barricade connection shape of one or more nonlinear type
Into.
2. organic electroluminescence display panel according to claim 1, it is characterised in that at least one barricade is perpendicular to institute
The first cross-sectional width span of orientation substrate is stated for 7-25 μm, wherein, first section is prolonged with the corresponding barricade
Stretch direction vertical.
3. organic electroluminescence display panel as claimed in claim 1, it is characterised in that all barricades are by one or more
The sub- barricade of nonlinear type connects to be formed.
4. organic electroluminescence display panel according to claim 1, it is characterised in that the substrate is flexible base board.
5. organic electroluminescence display panel according to claim 1, it is characterised in that in the substrate and the organic light emission
On the vertical plane of structure stacked direction, the sub- barricade of nonlinear type includes the sub- barricade of undaform or the sub- barricade of sawtooth pattern.
6. organic electroluminescence display panel according to claim 1, it is characterised in that along the substrate and the organic light emission
The stacked direction of structure, the span of at least one wall height is 1-3 μm.
7. organic electroluminescence display panel according to claim 1, it is characterised in that the gear that at least one barricade includes
When wall quantity is equal to or more than 2, along the stacked direction of the substrate and the organic light-emitting structure, at least one barricade
It is highly identical.
8. organic electroluminescence display panel according to claim 1, it is characterised in that the gear that at least one barricade includes
When wall quantity is equal to or more than 2, along the stacked direction of the substrate and the organic light-emitting structure, at least one barricade
Height closer to the barricade of the organic light-emitting structure is bigger.
9. organic electroluminescence display panel according to claim 1, it is characterised in that the gear that at least one barricade includes
When wall quantity is equal to or more than 2, the span of barricade spacing described in adjacent twice is 25-200 μm.
10. organic electroluminescence display panel according to claim 1, it is characterised in that at least one barricade perpendicular to
First section of the orientation substrate is shaped as triangle, trapezoidal, rectangle or half elliptic, wherein, first section with
The bearing of trend of the correspondence barricade is vertical.
11. organic electroluminescence display panels according to claim 1, it is characterised in that the material of at least one barricade
It is polyimides or polyimides and SiO2Composite.
12. organic electroluminescence display panels according to claim 1, it is characterised in that the thin-film encapsulation layer is included at least
Two inorganic layers and at least one organic layer, the inorganic layer and the organic layer interval setting.
13. organic electroluminescence display panels according to claim 12, it is characterised in that what at least one barricade included
When barricade quantity is equal to or more than 2, at least one gear of at least two inorganic layers covering in addition to first barricade
Wall.
14. a kind of organic light-emitting display devices, it is characterised in that show including any described organic light emission in claim 1-13
Show panel.
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