CN109585688A - Display panel and display device - Google Patents
Display panel and display device Download PDFInfo
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- CN109585688A CN109585688A CN201811621845.7A CN201811621845A CN109585688A CN 109585688 A CN109585688 A CN 109585688A CN 201811621845 A CN201811621845 A CN 201811621845A CN 109585688 A CN109585688 A CN 109585688A
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/80—Constructional details
- H10K50/84—Passivation; Containers; Encapsulations
- H10K50/844—Encapsulations
Abstract
The present invention describes a kind of display panel and display device.Display panel includes: underlay substrate, has viewing area and non-display area；Display function layer is located on underlay substrate, and display function layer includes an at least inorganic insulation layer；Thin-film encapsulation layer is located at display function layer far from underlay substrate side, and thin-film encapsulation layer includes an at least organic layer and an at least inorganic layer；An at least barricade, be located at non-display area and with display function layer the same side, inorganic layer at least covers barricade；An at least groove is located at inorganic insulation layer far from underlay substrate side, and is set to the non-display area between barricade and viewing area, groove accommodates organic layer, upright projection of the groove on underlay substrate, in a first direction of different size, first direction are the direction that non-display area is directed toward in viewing area.The present invention can reduce the broken string risk that touch control electrode line is formed on barricade and film layer removes caused crackle risk, improve package reliability.
Description
Technical field
The present invention relates to field of display technology, more specifically, more particularly to a kind of display panel and display device.
Background technique
OLED (Organic Light Emitting Diode, Organic Light Emitting Diode) display is that a kind of self-luminous is aobvious
Show device, compared to LCD (Liquid Crystal Display, liquid crystal display), OLED display does not need backlight, therefore
OLED display is more frivolous, and furthermore OLED display is also because having high brightness, low-power consumption, wide viewing angle, high response speed, width to make
It is applied in various high-performance display fields more and more with the advantages that temperature range.But due to OLED device
Under the action of steam and oxygen, it may appear that the phenomenon that corrosion and damage, therefore, preferable packaged type is selected to carry out OLED device
It says particularly important.
Currently, thin-film package is a kind of packaged type being widely used in OLED display production, i.e., had using inorganic
The stacked structure of machine covers OLED device, to achieve the purpose that obstruct water oxygen.Wherein, water oxygen resistance is carried out by inorganic layer
Every effect, stress release is carried out by organic layer and flatization acts on, and the normal shape by way of inkjet printing (IJP) of organic layer
At.On the one hand the service life that OLED is shown depends on selected organic material, on the other hand depend on packaging method.For Organic Electricity
For sub- device, especially OLED, Yao Yange prevents steam and oxygen in ambient enviroment.
Therefore the display panel and display device for providing a kind of encapsulating structure of reliable performance are that this field is urgently to be resolved
Technical problem.
Summary of the invention
In view of this, the present invention provides a kind of display panel and display device, solves the technical issues of package reliability.
In a first aspect, the present invention provides a kind of display panels, comprising:
Underlay substrate, underlay substrate include viewing area and the non-display area around viewing area；
Display function layer is located on underlay substrate, and display function layer includes an at least inorganic insulation layer；
Thin-film encapsulation layer is located at display function layer far from underlay substrate side, and thin-film encapsulation layer includes at least one organic
Layer and an at least inorganic layer；
An at least barricade, be located at non-display area and with display function layer the same side, inorganic layer at least covers barricade；
An at least groove is located at inorganic insulation layer far from underlay substrate side, and is set between barricade and viewing area
Non-display area, groove accommodate the organic layer, upright projection of the groove on underlay substrate, in a first direction of different size,
First direction is the direction that non-display area is directed toward in viewing area.
Optionally, upright projection of the organic layer on underlay substrate, in a first direction of different size.
Optionally, upright projection of the groove on underlay substrate includes at least the first width and the second width, wherein first
Width is greater than the second width, and upright projection of the organic layer on underlay substrate includes at least third width and the 4th width, wherein
Third width is greater than the 4th width, wherein the position of first width and the position of the third width are correspondingly arranged.
Optionally, inorganic insulation layer includes one layer in the buffer layer, gate insulating layer and interlayer insulating film set gradually
Or it is several layers of；The bottom rest position of the groove be located at the buffer layer, the gate insulating layer and the interlayer insulating film its
In intersection between any one layer or each film layer.
Optionally, groove is discrete structure.
Optionally, groove is continuous type structure.
Optionally, groove includes in bar shaped, zigzag, waveform and fold-line-shaped in the figure of the upright projection of underlay substrate
At least one.
Optionally, display panel includes two or more grooves, the bottom rest position of the groove it is identical or
It is not identical.
Optionally, groove the cross sectional shape of a vertical cross-section be rectangle, it is trapezoidal or or round one or more combinations,
The normal direction of vertical cross-section and the normal direction of plane where the underlay substrate are orthogonal.
Optionally, display panel includes planarization layer, is located at inorganic insulation layer far from underlay substrate side；Groove is located at flat
Far from underlay substrate side, barricade includes and the same system of at least one layer in planarization layer, pixel defining layer, supporting layer smoothization layer
The part of journey preparation.
Based on the same inventive concept, second aspect, the present invention also provides a kind of display devices, including provided by the invention
It anticipates a kind of display panel.
Compared with prior art, display panel provided by the invention and display device at least realize following beneficial effect
Fruit:
In display panel provided by the invention, protected by thin-film encapsulation layer inside display panel not by steam and oxygen
Erosion, wherein thin-film encapsulation layer include at least an inorganic layer and an organic layer；Non-display area between barricade and viewing area
Be arranged it is fluted, by groove accommodate organic layer, meanwhile, upright projection of the groove on underlay substrate, width in a first direction
Degree is different, and first direction is the direction that non-display area is directed toward in viewing area；It compares and the prior art, due to low viscosity organic material
Mobility is very strong, is easy there are problems that burr phenomena occur in rim overflow and organic layer, so influence whether barrier effect,
The problem of width and stress of frame；The present invention can be solved by the edge flowing situation of groove structure combination organic layer
Organic layer rim overflow situation and burr phenomena reduce the broken string risk and and film that touch control electrode line is formed on barricade
Crackle risk caused by layer is removed is avoided and is invaded inside display panel by steam and oxygen, so that it is reliable to improve encapsulation
Property.
By the detailed description referring to the drawings to example embodiments of the invention, other features of the invention and its
It will a little become apparent.
Detailed description of the invention
Fig. 1 is display panel schematic diagram in the prior art；
Fig. 2 is a kind of optional embodiment schematic diagram of display panel provided in an embodiment of the present invention；
Fig. 3 is display panel shown in Fig. 2 along AA1Diagrammatic cross-section；
Fig. 4 is another optional embodiment diagrammatic cross-section schematic diagram of display panel provided in an embodiment of the present invention；
Fig. 5 is enlarged diagram of the display panel shown in Fig. 2 in region Z；
Fig. 6 is another optional embodiment schematic diagram of display panel provided in an embodiment of the present invention；
Fig. 7 is the enlarged diagram of the region Z of display panel shown in Fig. 6；
Fig. 8 is another optional embodiment schematic diagram of display panel provided in an embodiment of the present invention；
Fig. 9 is another optional embodiment schematic diagram of display panel provided in an embodiment of the present invention；
Figure 10 is another optional embodiment schematic diagram of display panel provided in an embodiment of the present invention；
Figure 11 is another optional embodiment schematic diagram of display panel provided in an embodiment of the present invention；
Figure 12 is another optional embodiment schematic diagram of display panel provided in an embodiment of the present invention；
Figure 13 is display device schematic diagram provided in an embodiment of the present invention.
Specific embodiment
Carry out the various exemplary embodiments of detailed description of the present invention now with reference to attached drawing.It should also be noted that unless in addition having
Body explanation, the unlimited system of component and the positioned opposite of step, numerical expression and the numerical value otherwise illustrated in these embodiments is originally
The range of invention.
Be to the description only actually of at least one exemplary embodiment below it is illustrative, never as to the present invention
And its application or any restrictions used.
Technology, method and apparatus known to person of ordinary skill in the relevant may be not discussed in detail, but suitable
In the case of, the technology, method and apparatus should be considered as part of specification.
It is shown here and discuss all examples in, any occurrence should be construed as merely illustratively, without
It is as limitation.Therefore, other examples of exemplary embodiment can have different values.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, then in subsequent attached drawing does not need that it is further discussed.
In the prior art, thin-film package (Thin Film Encapsulation, TFE) is using inorganic organic stacking knot
Structure covers OLED device, to achieve the purpose that obstruct water oxygen.Wherein, water oxygen barrier action is carried out by inorganic layer, according to
By organic layer carry out stress release and flatization effect, and organic layer generally pass through inkjet printing (Ink Jet Printing,
IJP), since the mobility of low viscosity organic material is very strong, it is easy there are problems that rim overflow and organic layer burr occur and show
As, so influence whether barrier effect, frame width and stress the problem of.Fig. 1 is the signal of display panel in the prior art
Figure.As shown in Figure 1, display panel includes underlay substrate 10 and barricade 50, barricade 50 includes the first barricade 51 and the second barricade 52,
Wherein, display panel includes viewing area DA and non-display area, and barricade 50 is located at non-display area；The organic layer 31 of thin-film package due to
The mobility of low viscosity organic material is very strong, there is spilling or burr phenomena, i.e. ink-jet at the edge close to the first barricade 51
There is the phenomenon that irregular or range beyond substrate in the boundary of the film formed after the ink levelling of printing；As shown in figure 1
Notch 60 shown, that organic layer 31 occurs at the edge of the first barricade 51,60 position of notch is without organic layer, to influence
The problem of effect of barrier, the width of frame and stress.
To solve the above problems, passing through the edge of groove structure combination organic layer the present invention provides a kind of display panel
Mobility status solves organic layer rim overflow situation and burr phenomena, reduces and forms touch control electrode line on barricade
Crackle risk caused by the risk that breaks and film layer are removed is avoided and is invaded inside display panel by steam and oxygen, thus
Improve package reliability.
Fig. 2 is a kind of optional embodiment schematic diagram of display panel provided in an embodiment of the present invention.Fig. 3 is shown in Fig. 2
Display panel is along AA1Diagrammatic cross-section.Fig. 5 is enlarged diagram of the display panel shown in Fig. 2 in region Z.
As shown in Figures 2 and 3, display panel includes: underlay substrate 100, and underlay substrate 100 includes viewing area AA and surrounds
The non-display area of viewing area AA；Display function layer 200 is located on underlay substrate 100, wherein display function layer includes at least
One inorganic insulation layer 201, optionally, display function layer 200 include array layer and luminescent layer, wherein array layer includes multiple thin
Film transistor, thin film transistor (TFT) include exhausted between semiconductor active layer, gate electrode, source electrode, drain electrode and each electrode
Edge layer, luminescent layer include multiple luminescent devices, and luminescent device can be organic luminescent device, including anode, luminescent layer and cathode
(not shown)；Thin-film encapsulation layer 300 is located at display function layer 200 far from one 100 side of underlay substrate, thin-film encapsulation layer 300
Water oxygen can be isolated, play a protective role to the luminescent device of display function layer 200, guarantee the service life of luminescent device, and
Thin-film encapsulation layer includes that an at least organic layer and an at least inorganic layer, inorganic layer are more organic to the barrier property of steam and oxygen
Layer is good, but the filming performance of inorganic layer, flatness and uniformity be not good enough, and the good film-forming property of organic layer, surface compact are not easy shape
At pin hole, but it is not good enough to the barriering effect of steam and oxygen, therefore film can be formed with organic layer and inorganic layer stacked structure
Encapsulated layer.The present invention for organic layer in thin-film encapsulation layer and inorganic layer quantity and lamination order without limitation, it is exemplary
, the thin-film encapsulation layer 300 in the present embodiment includes one layer of organic layer 301 and one layer of inorganic layer 302, and wherein organic layer 301 has
Jagged 600, not covered with machine layer at notch 600.
Optionally, Fig. 4 is that another optional embodiment part section of display panel provided in an embodiment of the present invention shows
It is intended to, as shown in figure 4, thin-film encapsulation layer 300 includes the first inorganic layer 303, organic layer 301 and the inorganic layer 302 stacked gradually,
First inorganic layer 303 and inorganic layer 301 extend and cover barricade 500, and the present embodiment can make to show compared with one layer of inorganic encapsulated
Panel has in the extending direction perpendicular to thin-film encapsulation layer preferably obstructs water oxygen effect.
Referring to figs. 2 and 3, display panel further includes an at least barricade 500, be located at non-display area and with display function layer
200 the same sides, barricade surround viewing area AA, and inorganic layer at least covers barricade 500；500 one side of barricade can stop organic layer
On the other hand flooding problems when inkjet printing can prevent crackle caused by cutting along the inorganic layer of thin-film encapsulation layer to display
Panel itself spreads and water oxygen is thus caused to enter display panel by the crackle of inorganic layer；Illustratively, the present invention is implemented
The barricade in display panel that example provides is illustrated using two barricades as example, but the present invention is not limited to this.Such as Fig. 2
With shown in Fig. 3, barricade 500 includes the first barricade 501 and the second barricade 502, wherein the, the first barricade 501 is located at the second barricade
Between 502 and viewing area AA.
With continued reference to Fig. 2 and Fig. 3, display panel further comprises an at least groove 400 (being dotted box portion in Fig. 3),
Positioned at inorganic insulation layer 201 far from 100 side of underlay substrate, and it is set to non-aobvious between the first barricade 501 and viewing area AA
Show area, groove 400 can accommodate organic layer 301, therefore for example formed in thin-film encapsulation layer using the method for inkjet printing
Organic material, some is accommodated by groove for the ink of inkjet printing, meanwhile, the upright projection on underlay substrate 100 of groove 400
There is difference in a first direction, first direction is the direction that viewing area AA is directed toward non-display area.
Optionally, upright projection of the organic layer on underlay substrate in a first direction of different size.Since low viscosity has
The mobility of machine material is very strong, there is spilling or burr phenomena, i.e. the ink levelling of inkjet printing at the edge close to barricade
There is the phenomenon that irregular or range beyond barricade in the boundary of the film formed afterwards, and ink excessively will lead to organic layer side
Edge overflow, ink is very few to cause burr phenomena, further result on barricade formed touch control electrode line broken string risk and
Crackle risk caused by film layer is removed, there is the irregular organic layer that shows as on underlay substrate in the boundary of film from structure
Upright projection width in a first direction exist it is different.
Optionally, upright projection of the groove on underlay substrate includes at least the first width and the second width, wherein first
Width is greater than second width, and upright projection of the organic layer on underlay substrate includes at least third width and the 4th width,
Wherein third width is greater than the 4th width, wherein the position of the first width of groove is corresponding with the position of organic layer third width to be set
It sets.It is corresponding to correspond to the first width position of groove, the 4th width position of organic layer by the third width position of organic layer
It is in the second width position of groove, i.e., larger in the recess width of the more position setting of organic layer organic material, to accommodate more
More organic matters prevents organic matter from crossing the first barricade and generates overflow phenomena, and the position less in organic layer organic material,
That is the groove of the position setting of notch is smaller, and recess width is few compared with the organic matter of small receiving, and guarantee has additional organic matter to fill out
The notch for filling organic layer alleviates organic layer on underlay substrate boundary and the phenomenon that irregular or range beyond barricade occurs
By the edge flowing situation of groove structure combination organic layer, solves organic layer rim overflow situation and burr phenomena, subtract
The small broken string risk that touch control electrode line is formed on barricade and and film layer remove caused by crackle risk.
Optionally, groove is continuous type structure.Groove is the difficulty that continuous type structure can reduce etching technics, simplifies system
Make process, reduces production cost.
Fig. 5 is enlarged diagram of the display panel shown in Fig. 2 in region Z.As shown in figure 5, display panel includes substrate base
Plate 100 and barricade 500, barricade 500 include the first barricade 501 and the second barricade 502, and display panel further includes groove 400 and has
Machine layer 301, wherein organic layer 301 has multiple notches 600 on the boundary close to the first barricade 501, this is because organic matter material
Expect that organic material is irregular not in the appearance of 100 boundary of underlay substrate in organic layer 301 when viscosity is low, mobility leads greatly inkjet printing
The phenomenon that neat or beyond barricade range.
As shown in figure 5, organic layer 301 exist in the upright projection width in a first direction of underlay substrate 100 it is different, until
There is third width d3 and the 4th width d4, the i.e. presence due to notch 600 less, causes organic layer 301 in underlay substrate 100
The width of upright projection in a first direction certainly exists difference, meanwhile, with reference to Fig. 2, groove 400 is continuous type structure, i.e. groove
400 be entire ring structure around viewing area AA, upright projection width in a first direction of the groove 400 in underlay substrate 100
There is also differences, at least there is the first width d1 and the second width d2, i.e., the size and location of groove 400 are according to organic layer 301
Width size and be arranged, wherein first direction be viewing area be directed toward non-display area direction.
Optionally, referring to figure 5., the first width d1 is bigger than the second width d2, i.e. d1 > d2；Third width d3 is wider than the 4th
It is big to spend d4, i.e. d3 > d4；Wherein, the position of 400 first width d1 of groove is corresponding with the position of 301 third width d3 of organic layer sets
It sets, the position of 400 second width d2 of groove and the position of the 4th width d4 of organic layer 301 are correspondingly arranged；Have in organic layer 301
400 width of groove of the more position setting of machine material is larger, to accommodate more organic matters, prevents organic matter from crossing first gear
Wall 501 generates overflow phenomena, and the position less in 301 organic material of organic layer, the i.e. groove of the position setting of notch 600
400 is smaller, and 400 width of groove is few compared with the organic matter of small receiving, and guarantee has additional organic matter to fill the notch of organic layer 301
600, organic layer 301, which is alleviated, on 100 boundary of underlay substrate the phenomenon that irregular or range beyond barricade occurs.
Optionally, with continued reference to Fig. 5, the width size and location of groove 400 and 301 gap positions of organic layer are related,
Such as when being divided into D between the notch 600 of organic layer 301, then the center phase gauge of the two neighboring groove 400 with the first width
From for D, it is also D that the adjacent center for being separated by the groove 400 with the second width, which is separated by spacing,.Optionally, the interval D of notch 600
Size between 50 microns to 100 microns, 400 position of groove changes setting with the interval of notch 600 at this time.Pass through
Corresponding relationship as groove 400 and 301 notch 600 of organic layer guarantees organic layer 301 so that the area of notch 600 reduces
Flatness on the boundary close to the first barricade 501 is better, so that display panel alleviates the ink mistake of organic layer inkjet printing
It is more or it is very few cause rim overflow problem and inorganic layer burr phenomena occur, reduce on barricade formation touch control electrode line
Broken string risk and and film layer remove caused by crackle risk, avoid and invaded inside display panel by steam and oxygen,
To improve package reliability.
It should be noted that the position corresponding relationship that the present invention is groove and organic layer notch that embodiment provides only shows
Example property, but the relative position of groove Yu organic layer notch can be arranged in actual conditions according to display panel actual demand, this
Kind set-up mode has very strong flexibility.
Optionally, groove is discrete structure.Groove be discrete structure i.e. groove be it is discontinuous, each groove part is
It is separately provided, wherein the less place of ink in inkjet printing can be not provided with groove, compared to the embodiment of aforementioned continuous type groove,
The present embodiment alleviates the irregular phenomenon in organic layer boundary in setting groove and has more flexibility, and can save organic layer spray
The organic material of ink printing, reduces production cost, meanwhile, it is also able to solve organic layer rim overflow situation and burr is existing
As, reduce the broken string risk that touch control electrode line is formed on barricade and and film layer remove caused by crackle risk, avoid
It is invaded inside display panel by steam and oxygen, improves package reliability.
Fig. 6 is another optional embodiment schematic diagram of display panel provided in an embodiment of the present invention.Fig. 7 is Fig. 6 institute
Show the enlarged diagram of the region Z of display panel.
As shown in Figure 6 and Figure 7, organic layer 301 exists not in the upright projection width in a first direction of underlay substrate 100
Together, at least there is third width d3 and the 4th width d4, the i.e. presence due to notch 600, cause organic layer 301 in underlay substrate
The width of 100 upright projection in a first direction certainly exists difference, meanwhile, groove 400 is the structure of discrete type, i.e. groove
400 is discontinuous, and each adjacent grooves 400 are absolute construction, groove 400 underlay substrate 100 upright projection in a first direction
Width there is also differences, at least there is the first width d1 and the second width (not shown), the first width d1 is wider than second
Degree is big, it should be noted that the projection of the present embodiment further groove 400 is also discrete structure, and the first width d1 is the projection of groove 400
Width, and at this time since the second width that groove projection is finally presented in the special construction of discrete type groove is not present, i.e., second is wide
Degree is zero (not shown).400 position of groove according to organic layer 301 notch, 600 position and be arranged, organic layer 301 lack
Since the ink of inkjet printing is very few at mouth 600, no longer setting groove accommodates organic material herein, and on 301 side of organic layer
At the non-notch 600 in boundary, the ink of inkjet printing herein is more, needs that groove is arranged to accommodate more organic materials in lower section
Prevent organic layer boundary overflow phenomena.Compared to previous embodiment, the present embodiment can not only solve organic layer rim overflow feelings
Condition and burr phenomena reduce the broken string risk that touch control electrode line is formed on barricade and and the caused crackle of film layer removing
Risk avoids and is invaded inside display panel by steam and oxygen, improves package reliability, meanwhile, setting groove is alleviated
The irregular phenomenon in organic layer boundary has more flexibility, and can save the organic material of organic layer inkjet printing, reduces
Production cost.
Optionally, groove is rectangle, trapezoidal or round one or more combinations in the cross sectional shape of a vertical cross-section, is hung down
The normal direction of the normal direction and plane where underlay substrate in straightforward face is orthogonal.Display surface provided in an embodiment of the present invention
Groove in plate is inverted trapezoidal, but groove can be arranged according to the actual demand of display panel or technology difficulty in actual conditions
Shape, this setup have very strong flexibility.
Optionally, groove is gradual change in the width of the projection of underlay substrate, i.e., groove has more in the projection of underlay substrate
A width, since the notch of organic layer is irregular figure, by the way that irregular groove and irregular notch phase is arranged
Match, this set can preferably adjust the flatness of organic layer, while reducing from technique and can also etch difficulty.
Fig. 8 is another optional embodiment schematic diagram of display panel provided in an embodiment of the present invention.Such as Fig. 8 institute
Show, groove 400 has multiple and different width along first direction in the projection of underlay substrate 100, and actual conditions can be according to aobvious
Show the actual demand of panel the shape of groove is arranged, this setup has very strong flexibility.It should be noted that this
Embodiment further groove 400 is that the discontinuous structure of discrete type is only exemplary, it is not limited here.It is compared to aforementioned implementation
Example, the present embodiment are matched by the way that irregular groove is arranged with irregular notch, and this set can have been adjusted preferably
The flatness of machine layer, while etching difficulty is reduced from technique.
Optionally, groove includes in bar shaped, zigzag, waveform and fold-line-shaped in the figure of the projection of vertical substrates substrate
At least one.The reality of groove in display panel provided in an embodiment of the present invention in the figure of the projection of vertical substrates substrate
The shape of groove can be arranged in situation according to the actual demand of display panel or technology difficulty, and this setup has very strong
Flexibility, it is not limited here.
Fig. 9 is another optional embodiment schematic diagram of display panel provided in an embodiment of the present invention.As shown in Figure 9
Groove 400 is projected as " zigzag " underlay substrate.Figure 10 can for another of display panel provided in an embodiment of the present invention
The embodiment schematic diagram of choosing.Groove 400 as shown in Figure 10 is projected as waveform in underlay substrate.The embodiment of the present invention provides
Display panel in groove the actual conditions of the figure of the projection of vertical substrates substrate can be according to the reality of display panel
The shape of groove is arranged in demand or technology difficulty, and this setup has very strong flexibility, it is not limited here.
Figure 11 is another optional embodiment schematic diagram of display panel provided in an embodiment of the present invention.Such as Figure 11 institute
Show, groove 400 is close to the first barricade 501, and groove 400 is located between 301 notch 600 of organic layer, shortens organic layer inkjet printing
Ink flow distance, balance organic layer edge different location quantity of ink gap, reduce or eliminate notch 600, preferably improve
Organic layer rim overflow or burrs on edges phenomenon.
Optionally, inorganic insulation layer includes: one layer in the buffer layer, gate insulating layer and interlayer insulating film set gradually
Or it is several layers of；The bottom rest position of groove is located at buffer layer, gate insulating layer and interlayer insulating film wherein any one layer or each film
Interlayer intersection.The present invention without limitation, can reduce the difficulty of etching technics to the bottom rest position of groove.
It should be noted that the film layer of embodiment illustrates intention in the application, being given for example only property shows above-mentioned each film
A kind of relative positional relationship of layer, other also settable film layers between each film layer, each film layer can be figure according to actual functional capability
The structure of case, is also possible to flood structure, and the application is not limited thereto.
Optionally, the number of display panel further groove can be multiple, according to the practical notch of organic layer, pass through groove structure
In conjunction with the edge flowing situation of organic layer, organic layer rim overflow situation and burr phenomena are solved
Figure 12 is another optional embodiment schematic diagram of display panel provided in an embodiment of the present invention.Such as Figure 12 institute
Show, display panel includes inorganic insulation layer 201, and inorganic insulation layer 201 includes: buffer layer 2013, the gate insulator set gradually
One layer or several layers of in layer 2012 and interlayer insulating film 2011, three layers of inorganic insulation layer are illustratively given in figure, but do not send out
It is bright that it's not limited to that.Optionally, display panel further includes planarization layer 700, being capable of smooth display using planarization layer 700
Because of segment difference in the face caused by various different film patterns on the underlay substrate of part.Optionally, display panel includes two or two
A above groove, the bottom rest position of groove are identical or not identical.Such as Figure 12 so display panel further groove 400 includes two
A groove, wherein the depth of groove 400 is different, i.e., 400 rest positions of groove-bottom are located at different film layers, the bottom of groove 400
Portion's rest position is located at buffer layer 2013, gate insulating layer 2012 and interlayer insulating film 2011 wherein between any one layer or each film layer
The bottom rest position of intersection, groove 400 is identical or not identical.It should be noted that groove of the present invention to display panel
400 numbers and bottom portion of groove rest position are all exemplary, and groove number and bottom portion of groove rest position are all desirable
It is set according to the actual demand of the organic layer actual conditions of display panel and display panel, this setting means has flexible
Property, organic layer boundary film layer problem and touch-control short-line problem can be preferably adjusted, meanwhile, technology difficulty can be reduced, this
Any restriction is not done in invention to this.
Optionally, display panel includes planarization layer 800, is located at inorganic insulation layer 201 far from 100 side of underlay substrate；
Groove 400 is located at planarization layer 400 far from 100 side of underlay substrate, and barricade 500 includes fixed with the planarization layer 400, pixel
The part of the same processing procedure preparation of at least one layer in adopted layer, supporting layer (not shown).Specifically, such as the second barricade 502
Including first part 5021, second part 5022 and Part III 5023, wherein first part 5021 and 400 material of planarization layer
Expect identical, second part 5022 is identical as pixel definition layer material, and Part III 5023 is identical as the material of supporting layer, optional
, the first barricade 501 and the second barricade 502 have identical structure, are not repeating to illustrate herein.
The present invention also provides a kind of display device, Figure 13 is display device schematic diagram provided in an embodiment of the present invention.Such as figure
Shown in 13, display device includes the display panel that any embodiment of the present invention provides.Display device provided by the invention include but
Be not limited to following classification: television set, laptop, desktop displays, tablet computer, digital camera, mobile phone, can only hand
Ring, intelligent glasses, Vehicular display device, Medical Devices, illumination display, industrial control equipment, touch interactive terminal etc..
Through the foregoing embodiment it is found that display panel provided by the invention, its production method and display device, are at least realized
It is following the utility model has the advantages that
The present invention can solve organic layer rim overflow feelings by the edge flowing situation of groove structure combination inorganic layer
Condition and burr phenomena reduce the broken string risk that touch control electrode line is formed on barricade and and the caused crackle of film layer removing
Risk is avoided and is invaded inside display panel by steam and oxygen, to improve package reliability.
In display panel provided by the invention, protected by thin-film encapsulation layer inside display panel by steam and oxygen
Erosion, wherein thin-film encapsulation layer include at least an inorganic layer and an organic layer；Non-display area between barricade and viewing area
It is arranged fluted, organic layer is accommodated by groove, meanwhile, projection of the groove on the vertical underlay substrate, in a first direction
It is of different size, first direction be viewing area be directed toward non-display area direction；It compares and the prior art, due to the organic material of low viscosity
The mobility of material is very strong, is easy there are problems that burr phenomena occur in rim overflow and inorganic layer, and then influences whether barrier
Effect, frame width and stress the problem of；The present invention can be solved by the edge flowing situation of groove structure combination inorganic layer
Determined organic layer rim overflow situation and burr phenomena, reduce the broken string risk that touch control electrode line is formed on barricade and with
And film layer removes caused crackle risk, avoids and is invaded inside display panel by steam and oxygen, to improve encapsulation
Reliability.
The above content is a further detailed description of the present invention in conjunction with specific preferred embodiments, and it cannot be said that
Specific implementation of the invention is only limited to these instructions.For those of ordinary skill in the art to which the present invention belongs, exist
Under the premise of not departing from present inventive concept, a number of simple deductions or replacements can also be made, all shall be regarded as belonging to of the invention
Protection scope.
Claims (11)
1. a kind of display panel characterized by comprising
Underlay substrate, the underlay substrate include viewing area and the non-display area around the viewing area；
Display function layer is located on the underlay substrate, and the display function layer includes an at least inorganic insulation layer；
Thin-film encapsulation layer is located at the display function layer far from the underlay substrate side, and the thin-film encapsulation layer includes extremely
A few organic layer and an at least inorganic layer；
An at least barricade, be located at the non-display area and with display function layer the same side, the inorganic layer at least covers institute
State barricade；
An at least groove, be located at the inorganic insulation layer far from the underlay substrate side, and be set to the barricade with it is described
Non-display area between viewing area, the groove accommodate the organic layer, vertical throwing of the groove on the underlay substrate
Shadow, in a first direction of different size, the first direction are the direction that the non-display area is directed toward in the viewing area.
2. display panel according to claim 1, which is characterized in that
Upright projection of the organic layer on the underlay substrate, in a first direction of different size.
3. display panel according to claim 2, which is characterized in that
Upright projection of the groove on the underlay substrate includes at least the first width and the second width, first width
Greater than second width, upright projection of the organic layer on the underlay substrate is wide including at least third width and the 4th
Degree, the third width are greater than the 4th width, wherein the position pair of the position of first width and the third width
It should be arranged.
4. display panel according to claim 1, which is characterized in that
The inorganic insulation layer includes: one layer or several layers of in the buffer layer, gate insulating layer and interlayer insulating film set gradually；
It is wherein any one that the bottom rest position of the groove is located at the buffer layer, the gate insulating layer and the interlayer insulating film
Intersection between layer or each film layer.
5. display panel according to claim 3, which is characterized in that
The groove is discrete structure.
6. display panel according to claim 3, which is characterized in that
The groove is continuous type structure.
7. display panel according to claim 6, which is characterized in that
The groove includes in bar shaped, zigzag, waveform and fold-line-shaped in the figure of the upright projection of the underlay substrate
It is at least one.
8. display panel according to claim 1, which is characterized in that
The display panel includes two or more grooves, and the bottom rest position of the groove is identical or not phase
Together.
9. display panel according to claim 1, which is characterized in that
The groove is rectangle, trapezoidal or round one or more combinations in the cross sectional shape of a vertical cross-section, described vertical
The normal direction in section and the normal direction of plane where the underlay substrate are orthogonal.
10. display panel according to claim 1, which is characterized in that
The display panel includes planarization layer, is located at the inorganic insulation layer far from the underlay substrate side；The groove
Positioned at the planarization layer far from the underlay substrate side, the barricade includes and the planarization layer, pixel defining layer, branch
Support the part of the same processing procedure preparation of at least one layer in layer.
11. a kind of display device, which is characterized in that including such as described in any item display panels of claim 1-10.
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| CN201811621845.7A CN109585688B (en) | 2018-12-28 | 2018-12-28 | Display panel and display device |
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| CN201811621845.7A CN109585688B (en) | 2018-12-28 | 2018-12-28 | Display panel and display device |
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| CN109585688B CN109585688B (en) | 2021-05-04 |
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| CN113078276A (en) * | 2021-03-24 | 2021-07-06 | 京东方科技集团股份有限公司 | Display panel and display device |
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