CN106653815A - Organic light emitting display panel and manufacturing method therefor, and display apparatus - Google Patents
Organic light emitting display panel and manufacturing method therefor, and display apparatus Download PDFInfo
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- CN106653815A CN106653815A CN201611241755.6A CN201611241755A CN106653815A CN 106653815 A CN106653815 A CN 106653815A CN 201611241755 A CN201611241755 A CN 201611241755A CN 106653815 A CN106653815 A CN 106653815A
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K71/00—Manufacture or treatment specially adapted for the organic devices covered by this subclass
Abstract
Embodiments of the invention disclose an organic light emitting display panel and a manufacturing method therefor, and a display apparatus. The organic light emitting display panel comprises a display region and a non-display region which is arranged around the display region, and also comprises a flexible substrate; the non-display region also comprises a first inorganic layer, a metal lead layer, a first organic layer and a second inorganic layer, wherein the first inorganic layer is positioned on the flexible substrate; the metal lead layer is positioned on one side, far from the flexible substrate, of the first inorganic layer; the metal lead layer comprises multiple separately-arranged metal leads; the first organic layer is positioned on the surface on one side, far from the first inorganic layer, of the metal lead layer; the metal leads are coated with the first organic layer; and the second inorganic layer is positioned on one side, far from the metal lead layer, of the first organic layer. By adoption of the technical scheme, cracking of the metal leads can be avoided.
Description
Technical field
The present embodiments relate to technical field of semiconductors, more particularly to a kind of organic electroluminescence display panel and its making side
Method, display device.
Background technology
Organic Light Emitting Diode (Organic LightEmitting Diode, OLED) display floater is referred on substrate
Prepare display floater obtained from organic luminescent device.When substrate is using the flexible base board such as plastics, OLED can be with
The characteristics of with flexibility, and because OLED is low in energy consumption, small volume, make organic electroluminescence display panel become future
Display floater used in multi-field.
Display floater generally comprises viewing area and non-display area, there is platform between viewing area and non-display area
Rank bending place, because step bending place is provided with the metal lead wire of connection viewing area and non-display area, due to step bending
The presence at place easily causes metal lead wire fracture.
The content of the invention
In view of this, the embodiment of the present invention provides a kind of organic electroluminescence display panel and preparation method thereof, display device, with
Solve the technical problem that the metal lead wire of step bending place in prior art is easily broken off.
In a first aspect, embodiments provide a kind of organic electroluminescence display panel, including viewing area and around institute
The non-display area of viewing area is stated, including：Flexible substrate；
The non-display area also includes the first inorganic layer being located in the flexible substrate；
Away from the metal wiring layer of the flexible substrate side on first inorganic layer, the metal wiring layer bag
Include the metal lead wire of multiple discrete settings；
Positioned at the metal lead wire layer surface away from the first inorganic layer side the first organic layer, described first is organic
The layer cladding metal lead wire；
Away from the second inorganic layer of the metal wiring layer side on first organic layer.
Second aspect, the embodiment of the present invention additionally provides a kind of preparation method of organic electroluminescence display panel, described organic
Light emitting display panel includes viewing area and the non-display area around the viewing area, and preparation method includes：
One flexible substrate is provided；
The first inorganic layer is formed in the flexible substrate；
Metal wiring layer, the metal wiring layer bag are formed in first inorganic layer away from the side of the flexible substrate
Include the metal lead wire of multiple discrete settings；
The first organic layer is formed away from the side of first inorganic layer in the metal lead wire layer surface, described first has
Machine layer coats the metal lead wire；
The second inorganic layer is formed in first organic layer away from the side of the metal wiring layer.
The third aspect, the embodiment of the present invention additionally provides a kind of display device, and the display device includes that the present invention is arbitrarily real
The organic electroluminescence display panel of example offer is provided.
Organic electroluminescence display panel provided in an embodiment of the present invention and preparation method thereof, display device, organic light emitting display
Panel includes viewing area and the non-display area around viewing area, and non-display area includes successively from bottom to top flexible liner
Bottom, the first inorganic layer, metal wiring layer, the first organic layer and the second inorganic layer, are arranged using said structure, it is ensured that gold
Category trace layer does not rupture or reduces the risk of breakage of metal wiring layer, raising organic electroluminescence display panel quality.
Description of the drawings
In order to clearly illustrate the technical scheme of exemplary embodiment of the present, below to describing needed for embodiment
The accompanying drawing to be used does a simple introduction.Obviously, the accompanying drawing introduced is the present invention a part of embodiment to be described
Accompanying drawing, rather than the accompanying drawing of whole, for those of ordinary skill in the art, on the premise of not paying creative work, may be used also
To obtain other accompanying drawings according to these accompanying drawings.
Fig. 1 is a kind of schematic top plan view of organic electroluminescence display panel；
Fig. 2 is the cross-sectional view of A-A ' positions in Fig. 1；
Fig. 3 is the schematic diagram that the organic electroluminescence display panel shown in Fig. 2 occurs bending；
Fig. 4 is a kind of structural representation of organic electroluminescence display panel provided in an embodiment of the present invention；
Fig. 5 is the schematic diagram that organic electroluminescence display panel provided in an embodiment of the present invention occurs bending；
Fig. 6 is the structural representation of another kind of organic electroluminescence display panel provided in an embodiment of the present invention；
Fig. 7 is the structural representation of another kind of organic electroluminescence display panel provided in an embodiment of the present invention；
Fig. 8 is the structural representation of another kind of organic electroluminescence display panel provided in an embodiment of the present invention；
Fig. 9 is the structural representation of another kind of organic electroluminescence display panel provided in an embodiment of the present invention；
Figure 10 is the structural representation of another kind of organic electroluminescence display panel provided in an embodiment of the present invention；
Figure 11 is the structural representation of another kind of organic electroluminescence display panel provided in an embodiment of the present invention；
Figure 12 is the structural representation of another kind of organic electroluminescence display panel provided in an embodiment of the present invention；
Figure 13 is a kind of schematic flow sheet of the preparation method of organic electroluminescence display panel provided in an embodiment of the present invention；
Figure 14 is a kind of schematic diagram of display device provided in an embodiment of the present invention.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below with reference to the embodiment of the present invention in it is attached
Figure, by specific embodiment, is fully described by technical scheme.Obviously, described embodiment is of the invention
A part of embodiment, rather than the embodiment of whole, based on embodiments of the invention, those of ordinary skill in the art are not doing
The every other embodiment obtained on the premise of going out creative work, each falls within protection scope of the present invention.
Fig. 1 is a kind of schematic top plan view of organic electroluminescence display panel, as shown in figure 1, organic electroluminescence display panel includes
Viewing area 10 and non-display area 20, also including a plurality of metal lead wire 30, one end of metal lead wire 30 is electrically connected to and is located at
The display element of viewing area 10, the other end is located at non-display area 20, and outside panel control chip is in non-display area 20
Bound (bonding) with the pin of above-mentioned a plurality of metal lead wire 30, so as to by with viewing area 10 in display element
The control organic electroluminescence display panel of above-mentioned a plurality of metal lead wire 30 of electrical connection is shown.
With continued reference to Fig. 2, Fig. 2 is the cross-sectional view of A-A ' positions in Fig. 1, as shown in Fig. 2 non-display area bag
Include flexible base board 201, the first inorganic layer 202, the inorganic layer 204 of metal wiring layer 203 and second, due in viewing area and non-
There is step bending place in viewing area, and step bending is usually to bend by inside radius of flexible base board 201, as shown in Figure 3.It is curved
During folding, the tension stress of the second inorganic layer 204, easy fracture, because the second inorganic layer 204 is directly contacted with metal wiring layer 203, because
This easily causes metal wiring layer 203 also because the diffusion of the crackle of the second inorganic layer 204, ruptures.
For the problems referred to above, the embodiment of the present invention provides a kind of organic electroluminescence display panel, and Fig. 4 is that the embodiment of the present invention is carried
For organic electroluminescence display panel structural representation, as shown in figure 4, organic electroluminescence display panel provided in an embodiment of the present invention
Including viewing area and the non-display area (not shown) around viewing area, also including flexible substrate 40；
Non-display area also includes the first inorganic layer 41 being located in flexible substrate 40；
Away from the metal wiring layer 42 of the side of flexible substrate 40 on the first inorganic layer 41, metal wiring layer 42 includes many
The metal lead wire 421 of individual discrete setting；
Positioned at the surface of metal wiring layer 42 away from the side of the first inorganic layer 41 the first organic layer 43, the first organic layer 43 wraps
Cover metal lead wire 421；
Away from the second inorganic layer 44 of the side of metal wiring layer 42 on the first organic layer 43.
Wherein, flexible substrate 40 possesses flexible deformable flexible as the flexible base board of organic electroluminescence display panel
Feature, its material can include polyimides, polyethylene terephthalate, PEN, Merlon,
At least one in polyarylate and polyether sulfone.It should be noted that the embodiment of the present invention is not entered to the material of flexible substrate 40
Row is concrete to be limited, and no matter selects which kind of material, and it must possess certain extensibility, flexible substrate could be formed, specific
During use, need according to the actual demand to display floater, selection meets the flexible material of extensibility requirement.
First inorganic layer 41 is located in flexible substrate 40, and the material of the first inorganic layer 41 can be silica, silicon nitride, nitrogen
At least one in silica and aluminum oxide.
Metal wiring layer 42 is located on the first inorganic layer 41 away from the side of flexible substrate 40, and metal wiring layer 42 includes many
The metal lead wire 421 of individual discrete setting, between embodiment of the present invention width not to metal lead wire 421 and metal lead wire 421
Spacing be defined, line width and spacing need to be entered according to practical application and be arranged.Optionally, the material of metal wiring layer 42 can
With including at least one in titanium, aluminium and copper.
First organic layer 43 is located at side of the surface of metal wiring layer 42 away from the first inorganic layer 41, and the first organic layer 43 is wrapped
Cover metal lead wire 421, the first organic layer 43 is fitted setting with metal wiring layer 42, it is ensured that the first organic layer 43 can coat metal
Lead 421.Optionally, the material of the first organic layer 43 can be in polyimides, polyamide, acrylic resin, phenolic resin
At least one.
Second inorganic layer 44 is located on the first organic layer 43 away from 42 sides of metal wiring layer, the material of the second inorganic layer 44
Material can be identical with the material of individual first inorganic layer 41, for example can be in silica, silicon nitride, silicon oxynitride and aluminum oxide
It is at least one.
Fig. 5 is the schematic diagram that organic electroluminescence display panel provided in an embodiment of the present invention occurs bending, as shown in figure 5, sending out
It is to bend by inside radius of flexible base board 40 during raw bending, the tension stress of the second inorganic layer 44, easy fracture, but due to the second nothing
There is the first organic layer 43 between machine layer 44 and metal wiring layer 42, even if the second inorganic layer 44 ruptures, crackle also will not
Directly diffuse to metal wiring layer 42, metal lead wire 421 will not rupture or the possibility that occurs to rupture is less；Also, because
Organic material is low bullet material for inorganic material, can prevent crackle from spreading, and further ensures metal lead wire 421 not
Can rupture.
Organic electroluminescence display panel provided in an embodiment of the present invention, non-display area includes successively from bottom to top flexible liner
Bottom, the first inorganic layer, metal wiring layer, the first organic layer and the second inorganic layer, between metal wiring layer and the second inorganic layer
Increase the first organic layer, and the first organic layer cladding metal lead wire, it is ensured that organic electroluminescence display panel is sent out in step bending place
During raw bending, metal wiring layer does not rupture or reduces the risk of breakage of metal wiring layer, raising organic light emitting display face
The quality of plate.
Fig. 6 is the structural representation of another kind of organic electroluminescence display panel provided in an embodiment of the present invention, as shown in fig. 6,
Second inorganic layer 44 can include the second inorganic structure 441 of multiple discrete settings, and the second inorganic structure 441 can be with metal
Lead 421 is corresponded, as shown in fig. 6, the second inorganic structure 441 is located at the surface of metal lead wire 421.Optionally, second
Inorganic layer 441 can be corresponded with the cut section between metal lead wire 421, as shown in fig. 7, the second inorganic structure 441
In the surface of the cut section of metal lead wire 421.It is understood that because the second inorganic layer 44 includes multiple discrete settings
Second inorganic structure 441, the drawing that the second inorganic layer 44 is subject to when the second inorganic structure 441 of discrete setting can disperse to bend should
Power, even and if further can ensure that indivedual second inorganic structures 441 rupture, crackle also will not be in the second inorganic layer 44
Middle generation interlayer cross conduction, it is to avoid the second inorganic layer 44 occurs large-scale crack conditions.
It should be noted that the second inorganic structure 441 can be entirely located in the surface of metal lead wire 421, it is also possible to portion
Divide positioned at the surface of metal lead wire 421, the surface of the cut section of metal lead wire 421, or part position can also be entirely located in
In the surface of the cut section of metal lead wire 421, the embodiment of the present invention is not to the second inorganic structure 441 and the position of metal lead wire 421
Put relation specifically to be limited, Fig. 6 and Fig. 7 is only explained as two kinds of position relationships that may be present.
Fig. 8 is the structural representation of another kind of organic electroluminescence display panel provided in an embodiment of the present invention, as shown in figure 8,
First organic layer 43 includes the first organic structure 431 of multiple discrete settings, and the first organic structure 431 is drawn with least one metal
Line 421 is correspondingly arranged, and each first organic structure 431 coats its corresponding metal lead wire 421, and Fig. 8 only has with one first
Machine structure 431 is illustrated as a example by being correspondingly arranged with a metal lead wire 421.It is understood that the of multiple discrete settings
One organic structure 431 can equally disperse the tension that the first organic layer 43 is subject to, even if further can ensure that indivedual first
Organic structure 431 ruptures, and crackle also will not occur interlayer cross conduction in the first organic layer 43, it is to avoid the first organic layer
43 there are large-scale crack conditions, are further ensured that metal lead wire 421 of its cladding and will not rupture or reduce metal
There is the possibility of fracture in lead 421.
Fig. 9 is the structural representation of another kind of organic electroluminescence display panel provided in an embodiment of the present invention, as shown in figure 9,
First inorganic layer 41 can include the first inorganic structure 411 of multiple discrete settings, the first inorganic structure 411 and at least one gold medal
Category lead 421 is correspondingly arranged, and Fig. 9 is only carried out so that first inorganic structure 411 is correspondingly arranged with a metal lead wire 421 as an example
Explanation.It is understood that the first inorganic structure 411 of multiple discrete settings can equally disperse what the first inorganic layer 41 was subject to
Tension.
Figure 10 is the structural representation of another kind of organic electroluminescence display panel provided in an embodiment of the present invention, such as Figure 10 institutes
Show, when the first inorganic layer 41 includes the first inorganic structure 411 of multiple discrete settings, the first organic layer 43 can also be cladding
The inorganic structure 411 of metal lead wire 421 and first, can be specifically that the first organic layer 43 coats whole metal lead wires 421 and
One inorganic structure 411, can also be that the first organic structure 431 is respectively coated by least one metal lead wire 421 and the first inorganic knot
Structure 411, Figure 10 show first organic structure 431 and coats a metal lead wire 421 and first inorganic structure 411.
In sum, the first inorganic layer 41 provided in an embodiment of the present invention, metal wiring layer 42, the first organic layer 43 and
First inorganic layer 44 may each comprise the separate structure of multiple discrete settings, such as the first inorganic structure 411, metal lead wire 421,
First organic structure 431 and the second inorganic structure 441, the first inorganic structure 411 is at least corresponding with metal lead wire 421 to be set
Put, the first organic structure 431 is at least correspondingly arranged with a metal lead wire 421, and the cladding of the first organic structure 431 its is corresponding
Metal lead wire 421, while its corresponding first inorganic structure 411 can also be coated, the second inorganic structure 441 can all or
The surface of metal lead wire 421 is positioned partially at, the cut section of metal lead wire 421 can also be in whole or in part located at just
Top.Each hierarchical structure may each comprise the separate structure of discrete setting, and hierarchical structure not only can be disperseed to receive in bending
The tension for arriving, while cross conduction of the crackle between respective level when can avoid rupturing, it is to avoid organic light emitting display is filled
Put the phenomenon of rupture of occurrence of large-area.And the separate structure of discrete setting can also provide structure for organic light-emitting display device
More abundant structure setting.
Figure 11 is the structural representation of another kind of organic electroluminescence display panel provided in an embodiment of the present invention, such as Figure 11 institutes
Show, the non-display area in organic electroluminescence display panel provided in an embodiment of the present invention can also include the second organic layer 45, the
Two organic layers 45 are located at away from the side of the first organic layer 43 on the second inorganic layer 44, and the second organic layer 45 can coat second
Inorganic structure 441.Optionally, the material of the second organic layer 45 can be identical with the material of the first organic layer 43, and for example polyamides is sub-
At least one in amine, polyamide, acrylic resin, phenolic resin.Optionally, the second organic layer 45 can also be include it is multiple
Second organic structure (not shown) of discrete setting, and each described second organic structure and at least one second inorganic knots
Structure 441 is correspondingly arranged, and repeats no more here.
Figure 12 is the structural representation of another kind of organic electroluminescence display panel provided in an embodiment of the present invention, such as Figure 12 institutes
Show, the organic electroluminescence display panel includes viewing area 10 and non-display area 20, viewing area 10 equally includes flexible liner
Bottom 40, also includes the cushion 50 being located in flexible substrate 40, away from the driving of the side of flexible substrate 40 on cushion 50
Line layer 60, away from the planarization layer 70 of the side of cushion 50 on driver circuit layer 60, on planarization layer 70 away from
The passivation layer 80 of the side of driver circuit layer 60, away from the pixel defining layer 90 of the side of planarization layer 70 on passivation layer 80.
Wherein, cushion 50 is arranged with the first inorganic layer 41 of non-display area 20 with layer, and the material of cushion 50 can
At least one identical with the material with the first inorganic layer 41, such as in silica, silicon nitride, silicon oxynitride and aluminum oxide,
Cushion 50 can simultaneously be formed together with the first inorganic layer 41 in technique process.
Driver circuit layer 60 is arranged with metal wiring layer 42 with layer, and driver circuit layer 60 includes data wire, the data
Line extends to the non-display area and forms metal lead wire 421.Specifically, viewing area also includes thin on cushion 50
Film transistor (Thin-film Transistor, TFT) drive circuit 51, TFT drive circuits 51 can be top gate structure, under
Include active layer, gate insulator, grid, interlayer insulating film, source electrode and drain electrode successively to upper；TFT drive circuits 51 can be with
For bottom grating structure, include grid, gate insulation layer, active layer, source electrode and drain electrode successively from top to bottom.Figure 12 is by taking top gate structure as an example
Illustrate, as shown in figure 12, TFT drive circuits 51 include active layer 511, gate insulator 512, grid 513, layer insulation
Layer 514, source electrode 515 and drain electrode 516, the wherein data wire in drive circuit layer 60 are connected and same with source electrode 515 or drain electrode 516
When make, it can be considered that making in source electrode 515 or drain electrode 516 and the same operation of metal wiring layer 42, and adopt phase
Make with material, such as at least one in titanium, aluminium and copper.
Planarization layer 70 extends to the non-display area 20 and forms the first organic layer 43, therefore the material of planarization layer 70
It is identical with the material of the first organic layer 43, can be at least in polyimides, polyamide, acrylic resin, phenolic resin
Kind.
The inorganic layer 44 of passivation layer 80 and second is arranged with layer, equally can be that passivation layer 80 extends to non-display area and formed
Second inorganic layer 44, therefore passivation layer 80 is identical with the material of the second inorganic layer 44, can be silica, silicon nitride, silicon oxynitride
And at least one in aluminum oxide.
Pixel defining layer 90 extends to the non-display area and forms the second organic layer 45, therefore the material of pixel defining layer 90
Material it is identical with the material of the second organic layer 45, can be polyimides, polyamide, acrylic resin, phenolic resin at least
It is a kind of.
To sum up, the cushion of viewing area, driver circuit layer, planarization layer, passivation layer and pixel defining layer respectively with
First inorganic layer of non-display area, metal wiring layer, the first organic layer, the second inorganic layer and the second organic layer set with layer
Put, make in same operation and using identical material, the Making programme of organic electroluminescence display panel can be saved, lift system
Make efficiency, save cost of manufacture.
Optionally, viewing area can also be including organic luminescent device, such as anode layer, cathode layer and positioned at anode layer
Organic light emitting material (not shown) between cathode layer, organic luminescent device is used as the normal of organic electroluminescence display panel
Rule are arranged, and repeat no more here.
The embodiment of the present invention also provides a kind of preparation method of organic electroluminescence display panel, and Figure 13 is that the embodiment of the present invention is carried
For a kind of organic electroluminescence display panel preparation method schematic flow sheet, it is provided in an embodiment of the present invention to have with reference to Figure 13
The preparation method of machine light emitting display panel can include：
S11, one flexible substrate of offer.
Optionally, the material of flexible substrate can include polyimides, polyethylene terephthalate, poly- naphthalenedicarboxylic acid
At least one in glycol ester, Merlon, polyarylate and polyether sulfone.
S12, form in the flexible substrate the first inorganic layer.
Optionally, can be to form the first inorganic layer on flexible substrates by the way of evaporation, sputtering or spin coating, this
Bright embodiment is not specifically limited the generation type of the first inorganic layer.Optionally, the material of the first inorganic layer can be oxygen
At least one in SiClx, silicon nitride, silicon oxynitride and aluminum oxide.
S13, first inorganic layer away from the flexible substrate side formed metal wiring layer, the metal lead wire
Layer includes the metal lead wire of multiple discrete settings.
Optionally, the metal lead wire of metal wiring layer including multiple discrete settings, here not to the width of metal lead wire with
And the spacing between metal lead wire is defined, optionally, the material of metal wiring layer can be included in titanium, aluminium and copper extremely
Few one kind.
S14, form the first organic layer away from the side of first inorganic layer in the metal lead wire layer surface, described the
One organic layer coats the metal lead wire.
Optionally, the first organic layer is fitted setting with metal wiring layer, it is ensured that the first organic layer can coat metal lead wire.
Optionally, the material of the first organic layer can be at least one in polyimides, polyamide, acrylic resin, phenolic resin.
S15, first organic layer away from the metal wiring layer side formed the second inorganic layer.
Optionally, the material of the second inorganic layer can be identical with the material of the first inorganic layer, for example, can be silica, nitrogen
At least one in SiClx, silicon oxynitride and aluminum oxide.
The preparation method of organic display panel provided in an embodiment of the present invention, makes from bottom to up on flexible substrates successively
Make the first inorganic layer, metal wiring layer, the first organic layer and the second inorganic layer, increase between metal wiring layer and the second inorganic layer
Plus first organic layer, and the first organic layer laminating metal wiring layer, each metal in the first organic layer cladding metal wiring layer
Lead, when organic electroluminescence display panel bends in step bending place, it is ensured that metal wiring layer do not occur fracture or
Person reduces the risk of breakage of metal wiring layer, improves organic electroluminescence display panel quality.
Optionally, the preparation method of organic electroluminescence display panel provided in an embodiment of the present invention, can also include：
Side away from first organic layer on second inorganic layer forms the second organic layer.
Exemplary, the material of the second inorganic layer can be identical with the material of the first organic layer, such as polyimides, polyamides
At least one in amine, acrylic resin, phenolic resin.
Optionally, the preparation method of organic electroluminescence display panel is the non-display area for making display floater in above-described embodiment
Domain, the preparation method of organic display panel provided in an embodiment of the present invention can also be the viewing area for making display floater, because
The making side of this organic electroluminescence display panel provided in an embodiment of the present invention can also include：
Cushion is formed on flexible substrates, and cushion is formed with the same procedure of the first inorganic layer；
On the buffer layer the side away from flexible substrate forms driver circuit layer, driver circuit layer and the same layer of metal wiring layer
Arrange；
Side away from cushion on driver circuit layer forms planarization layer, and planarization layer extends to non-display area shape
Into the first organic layer；
Passivation layer, passivation layer and the same procedure of the second inorganic layer are formed in planarization layer away from the side of driver circuit layer
Formed；
Over the passivation layer pixel defining layer is formed away from the side of planarization layer, pixel defining layer extends to non-display area
Form the second organic layer.
Optionally, during the preparation method of organic electroluminescence display panel, in order to save production process, lifted and make effect
Rate, usually makes viewing area and non-display area simultaneously, thus viewing area cushion and non-display area the
One inorganic layer is formed in same procedure, therefore the material of cushion can be identical with the material of the first inorganic layer, example
Such as at least one in silica, silicon nitride, silicon oxynitride and aluminum oxide.
In viewing area, driver circuit layer can include data wire and scan line, and the gold of data wire and metal wiring layer
Category lead arragement direction is identical, therefore the data wire of driver circuit layer extends to non-display area and defines metal lead wire.Also,
Because data wire is connected with the source electrode in TFT drive circuits or drain electrode and is formed in same operation, therefore, TFT drive circuits
In source electrode or drain electrode with the same operation of metal lead wire in formed.Optionally, the material of driver circuit layer can draw with metal
The material of line layer is identical, such as at least one in titanium, aluminium and copper.
Planarization layer extends to the non-display area and forms the first organic layer, therefore the material of planarization layer has with first
The material of machine layer is identical, can be at least one in polyimides, polyamide, acrylic resin, phenolic resin.
Passivation layer extends to non-display area and forms the second inorganic layer, and passivation layer and the second inorganic layer are arranged with layer, because
This passivation layer is identical with the second inorganic layer materials, can be at least in silica, silicon nitride, silicon oxynitride and aluminum oxide
Kind.
Pixel defining layer extends to the non-display area and forms the second organic layer, therefore the material of pixel defining layer and the
The material of two organic layers is identical, can be at least one in polyimides, polyamide, acrylic resin, phenolic resin.
Optionally, the preparation method of organic display panel provided in an embodiment of the present invention is additionally may included on passivation layer and makes
Make organic luminescent device, such as anode layer, cathode layer and the organic light emitting material between anode layer and cathode layer, institute
Stating organic light emitting material can be including in hole transmission layer, hole injection layer, electron transfer layer and electron injecting layer
Layer or sandwich construction, the preparation method of organic luminescent device adopts conventional method, repeats no more here.
Figure 14 is a kind of schematic diagram of display device provided in an embodiment of the present invention, and with reference to Figure 14, display device 100 can be with
Including the organic electroluminescence display panel 101 described in any embodiment of the present invention.Display device 100 can be the hand shown in Figure 14
Machine, or computer, television set, intelligence wearing display device etc., the embodiment of the present invention is not particularly limited to this.
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 (20)
1. a kind of organic electroluminescence display panel, the organic electroluminescence display panel includes viewing area and around the viewing area
Non-display area, it is characterised in that include:Flexible substrate；
The non-display area also includes the first inorganic layer being located in the flexible substrate；
Away from the metal wiring layer of the flexible substrate side on first inorganic layer, the metal wiring layer includes many
The metal lead wire of individual discrete setting；
Positioned at the metal lead wire layer surface away from the first inorganic layer side the first organic layer, the first organic layer bag
Cover the metal lead wire；
Away from the second inorganic layer of the metal wiring layer side on first organic layer.
2. organic electroluminescence display panel according to claim 1, it is characterised in that second inorganic layer includes multiple points
Erect the second inorganic structure put.
3. organic electroluminescence display panel according to claim 2, it is characterised in that second inorganic structure and the gold
Category lead is corresponded.
4. organic electroluminescence display panel according to claim 2, it is characterised in that second inorganic structure and the gold
Marker space between category lead corresponds.
5. organic electroluminescence display panel according to claim 1, it is characterised in that first organic layer includes multiple points
The first organic structure put is erected, first organic structure is correspondingly arranged with metal lead wire described at least one, and each institute
State the first organic structure and coat corresponding metal lead wire.
6. organic electroluminescence display panel according to claim 1, it is characterised in that first inorganic layer includes multiple points
The first inorganic structure put is erected, first inorganic structure is correspondingly arranged with metal lead wire described at least one.
7. organic electroluminescence display panel according to claim 6, it is characterised in that first organic layer coats the gold
Category lead and first inorganic structure.
8. organic electroluminescence display panel according to claim 1, it is characterised in that the non-display area also includes being located at
Away from the second organic layer of the first organic layer side on second inorganic layer.
9. organic electroluminescence display panel according to claim 8, it is characterised in that the viewing area also includes：
Cushion in the flexible substrate, the cushion is arranged with first inorganic layer with layer；
Away from the driver circuit layer of the flexible substrate side on the cushion, the driver circuit layer and the metal
Trace layer is arranged with layer；
Away from the planarization layer of the cushion side on the driver circuit layer, the planarization layer extends to described non-
Viewing area forms first organic layer；
Away from the passivation layer of the driver circuit layer side on the planarization layer, the passivation layer is inorganic with described second
Layer is arranged with layer.
10. organic electroluminescence display panel according to claim 9, it is characterised in that the driver circuit layer includes data
Line, the data wire extends to the non-display area and forms the metal lead wire.
11. organic electroluminescence display panels according to claim 9, it is characterised in that the viewing area also includes：
Away from the pixel defining layer of the planarization layer side on the passivation layer, the pixel defining layer extends to described
Non-display area forms second organic layer.
12. organic electroluminescence display panels according to claim 1, it is characterised in that first inorganic layer and described
The material of two inorganic layers includes following at least one：
Silica, silicon nitride, silicon oxynitride and aluminum oxide.
13. organic electroluminescence display panels according to claim 1, it is characterised in that the material bag of the metal wiring layer
Include following at least one：
Titanium, aluminium and copper.
14. organic electroluminescence display panels according to claim 1, it is characterised in that first organic layer and described
The material of two organic layers includes following at least one：
Polyimides, polyamide, acrylic resin and phenolic resin.
A kind of 15. preparation methods of organic electroluminescence display panel, the organic electroluminescence display panel includes viewing area and surrounds
The non-display area of the viewing area, it is characterised in that include：
One flexible substrate is provided；
The first inorganic layer is formed in the flexible substrate；
Metal wiring layer is formed away from the side of the flexible substrate in first inorganic layer, the metal wiring layer includes many
The metal lead wire of individual discrete setting；
The first organic layer, first organic layer are formed in the metal lead wire layer surface away from the side of first inorganic layer
Coat the metal lead wire；
The second inorganic layer is formed in first organic layer away from the side of the metal wiring layer.
16. preparation methods according to claim 15, it is characterised in that also include：
Side away from first organic layer on second inorganic layer forms the second organic layer.
17. preparation methods according to claim 16, it is characterised in that also include：
Cushion is formed in the flexible substrate, the cushion is formed with the same procedure of first inorganic layer；
Side away from the flexible substrate on the cushion forms driver circuit layer, the driver circuit layer and the gold
Category trace layer is arranged with layer；
Side away from the cushion on the driver circuit layer forms planarization layer, and the planarization layer extends to described
Non-display area forms first organic layer；
Passivation layer is formed away from the side of the driver circuit layer in the planarization layer, the passivation layer is inorganic with described second
The same procedure of layer is formed.
18. preparation methods according to claim 17, it is characterised in that the driver circuit layer includes data wire, described
Data wire extends to the non-display area and forms the metal lead wire.
19. preparation methods according to claim 17, it is characterised in that also include：
Side away from the planarization layer on the passivation layer forms pixel defining layer, and the pixel defining layer extends to institute
State non-display area and form second organic layer.
20. a kind of display devices, it is characterised in that including the organic electroluminescence display panel described in any one of claim 1-14.
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