CN108962947A - Flexible display panel and display device - Google Patents
Flexible display panel and display device Download PDFInfo
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- CN108962947A CN108962947A CN201810721651.8A CN201810721651A CN108962947A CN 108962947 A CN108962947 A CN 108962947A CN 201810721651 A CN201810721651 A CN 201810721651A CN 108962947 A CN108962947 A CN 108962947A
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- 229910052751 metal Inorganic materials 0.000 claims abstract description 52
- 239000002184 metal Substances 0.000 claims abstract description 52
- 239000000758 substrate Substances 0.000 claims abstract 2
- 239000010410 layer Substances 0.000 claims description 363
- 239000010409 thin film Substances 0.000 claims description 45
- 239000010408 film Substances 0.000 claims description 37
- 238000005538 encapsulation Methods 0.000 claims description 27
- 239000000463 material Substances 0.000 claims description 26
- 239000012044 organic layer Substances 0.000 claims description 22
- 230000004888 barrier function Effects 0.000 claims description 12
- 239000011229 interlayer Substances 0.000 claims description 11
- 238000002161 passivation Methods 0.000 claims description 11
- 238000004806 packaging method and process Methods 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 description 13
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- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000000670 limiting effect Effects 0.000 description 3
- 229910052709 silver Inorganic materials 0.000 description 3
- 239000004332 silver Substances 0.000 description 3
- 229910052581 Si3N4 Inorganic materials 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 235000013399 edible fruits Nutrition 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
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- 229910052737 gold Inorganic materials 0.000 description 2
- 230000003760 hair shine Effects 0.000 description 2
- MRNHPUHPBOKKQT-UHFFFAOYSA-N indium;tin;hydrate Chemical compound O.[In].[Sn] MRNHPUHPBOKKQT-UHFFFAOYSA-N 0.000 description 2
- 230000036961 partial effect Effects 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 2
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- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
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Classifications
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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
-
- 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
-
- 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
- H10K59/10—OLED displays
- H10K59/12—Active-matrix OLED [AMOLED] displays
-
- 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
- H10K59/10—OLED displays
- H10K59/12—Active-matrix OLED [AMOLED] displays
- H10K59/123—Connection of the pixel electrodes to the thin film transistors [TFT]
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Electroluminescent Light Sources (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The invention provides a flexible display panel and a display device, which are used for solving the problem that wiring located in a frame area influences a packaging structure of the display panel in the prior art. The flexible display panel includes: the display device comprises a flexible substrate, a retaining wall structure, a first metal layer, an intermediate conducting layer, a light-emitting element layer and a film packaging layer, wherein the retaining wall structure at least comprises a first retaining wall and a second retaining wall, the first retaining wall is positioned between a display area and the second retaining wall, and an area positioned between the first retaining wall and the second retaining wall is a first area; and in the first region, the first inorganic layer of the film packaging layer is in contact with the metal film layer or the inorganic film layer positioned on one side, far away from the first inorganic layer, of the middle conducting layer through the first through hole on the middle conducting layer.
Description
Technical field
The present invention relates to field of display technology, particularly, are related to a kind of flexible display panels and display device.
Background technique
Organic Light Emitting Diode (Organic Light Emitt ing Diode, OLED) display have low-power consumption, from
Shine, wide viewing angle, fast response time the advantages that, organic light emitting display just gradually becomes display technology of new generation.
However, the light-emitting component in OLED display panel is more sensitive to water oxygen, if extraneous water oxygen enters display panel
Inside will affect the display effect of display panel, even result in light-emitting component failure, and therefore, OLED display panel has preferable
Encapsulation performance, it appears it is particularly important.
In addition, OLED display panel generally includes a plurality of cabling for being used for transmission signal, and at least part cabling position
In the frame region of display panel, the encapsulating structure at display panel edge can be had an impact.
Summary of the invention
In view of this, the present invention provides a kind of flexible display panels and display device, existed in the prior art to solve
The cabling positioned at the frame region the problem of encapsulating structure of display panel is had an impact.
On the one hand, the present invention provides a kind of flexible display panels, which includes:
Flexible base board, flexible base board include viewing area and the non-display area around viewing area；
Barrier wall structure, barrier wall structure are set to non-display area, and barrier wall structure includes at least the first barricade and the second barricade, the
For one barricade between viewing area and the second barricade, the region between the first barricade and the second barricade is the firstth area；
The first metal layer, the first metal layer are located on flexible base board；
Intermediate conductive layer, intermediate conductive layer is located at the first metal layer far from flexible base board side, and intermediate conductive layer and
The electrical connection of one metal layer, in the firstth area, the first metal layer is stacked with intermediate conductive layer, and intermediate conductive layer has at least
One first through hole；
Light emitting element layer, light emitting element layer is set to viewing area, and light emitting element layer is located at flexible base board close to the first gold medal
Belong to layer side；
Thin-film encapsulation layer, thin-film encapsulation layer is located at light emitting element layer far from flexible base board side, and thin-film encapsulation layer is at least
Including the first inorganic layer, in the firstth area, the first inorganic layer covers first through hole, and by first through hole and is located at intermediate conductive
Metallic diaphragm or inorganic film contact of the layer far from the first inorganic layer side.
On the other hand, the present invention provides a kind of display device, which includes provided in an embodiment of the present invention any
A kind of display panel.
Compared with the prior art, flexible display panels and display device provided by the invention at least have following beneficial to effect
Fruit:
In flexible display panels, intermediate conductive layer has at least one first through hole, thin-film encapsulation layer in the firstth area
In the first inorganic layer pass through the first through hole of intermediate conductive layer and metallic diaphragm positioned at the intermediate conductive layer other side or inorganic
Film layer contact solves the first inorganic layer and centre under the premise of not influencing the function of transmission telecommunications number of intermediate conductive layer
The poor problem of caking property between conductive layer prevents from cracking between the two, is conducive to the encapsulation for improving flexible display panels edge
Effect.
Detailed description of the invention
Fig. 1 is a kind of top view of flexible display panels provided in an embodiment of the present invention；
Fig. 2 is the sectional view of the line AA ' in Fig. 1；
Fig. 3 is a kind of enlarged diagram in the region 122 in Fig. 1；
Fig. 4 is a kind of enlarged diagram in the region 122 in Fig. 1；
Fig. 5 is a kind of enlarged diagram in the region 122 in Fig. 1；
Fig. 6 is a kind of enlarged diagram in the region 122 in Fig. 1；
Fig. 7 is a kind of diagrammatic cross-section of the line BB ' in Fig. 1；
Fig. 8 is the partial cutaway view of viewing area；
Fig. 9 is a kind of diagrammatic cross-section of the line BB ' in Fig. 1；
Figure 10 is a kind of diagrammatic cross-section of the line BB ' in Fig. 1；
Figure 11 is a kind of top view of first organic layer provided in an embodiment of the present invention；
Figure 12 is a kind of top view of flexible display panels provided in an embodiment of the present invention；
Figure 13 is a kind of schematic diagram of display device provided in an embodiment of the present invention.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without creative efforts, shall fall within the protection scope of the present invention.
Fig. 1 is a kind of top view of flexible display panels provided in an embodiment of the present invention, and Fig. 2 is the line AA's ' in Fig. 1
Sectional view.
As depicted in figs. 1 and 2, flexible display panels provided in an embodiment of the present invention include flexible base board 1, barrier wall structure 2,
The first metal layer 3, intermediate conductive layer 4, light emitting element layer 5 and thin-film encapsulation layer 6, wherein flexible base board 1 includes 11 He of viewing area
Non-display area 12 around viewing area 11；Barrier wall structure 2 is set to non-display area 12, and barrier wall structure 2 includes at least the first barricade
21 and second barricade 22, the first barricade 21 be located at the first barricade 21 and second gear 22 between viewing area 11 and the second barricade
Region between wall 22 is the first area 121；The first metal layer 3 is located on flexible base board 1；Intermediate conductive layer 4 is located at the first metal
Layer 3 is far from 1 side of flexible base board, and intermediate conductive layer 4 is electrically connected with the first metal layer 3, in the first area 121, the first metal
Layer 3 is stacked with intermediate conductive layer 4, and intermediate conductive layer 4 has first through hole 41；Light emitting element layer 5 is set to viewing area
11, and light emitting element layer 5 is located at flexible base board 1 close to 3 side of the first metal layer；It is remote that thin-film encapsulation layer 6 is located at light emitting element layer 5
From 1 side of flexible base board, and thin-film encapsulation layer 6 includes at least the first inorganic layer 61, in the first area 121, the first inorganic layer 61
First through hole 41 is covered, and by first through hole 41 and is located at metal film of the intermediate conductive layer 4 far from 61 side of the first inorganic layer
Layer or inorganic film contact.
Flexible display panels generally include flexible base board 1, the thin film transistor array layer 7 on flexible base board 1, are located at
Light emitting element layer 5 in thin film transistor array layer 7 and the thin-film encapsulation layer on light emitting element layer 56.
Flexible base board 1 provides support and protective effect for flexible display panels, compared to materials such as use glass as base
The display panel of plate, flexible display panels can be realized various deformation mode, such as bending, folding and curling etc., illustratively,
The material of flexible base board 1 may include polyimides etc., and the present invention is not construed as limiting the material of flexible base board 1.In addition, flexible base
Plate 1 includes viewing area 11 and the non-display area 12 around viewing area 11, multiple pixels is provided in viewing area 11, to show picture
Face is provided with encapsulating structure, signal lead and driving circuit etc. in non-display area 12.
Thin film transistor array layer 7 includes multiple thin film transistor (TFT)s 71, and thin film transistor (TFT) 71 constitutes pixel circuit, to control
Light-emitting component 51 in light emitting element layer 5 processed shines.Specifically, thin film transistor (TFT) 71 may include source electrode 711, drain electrode 712, grid
Pole 713 and active layer 714, the connection between thin film transistor (TFT) 71 and light-emitting component 51 are only illustrative, another kind can be real
It applies in mode, the source electrode 711 of thin film transistor (TFT) 71 can be connect with light-emitting component 51.
Light emitting element layer 5 is located at viewing area 11, and including a plurality of light-emitting elements 51, light-emitting component 51 can be organic light emission
Element, light-emitting component 51 may include anode 511, cathode 512 and the organic light emission between anode 511 and cathode 512
Layer 513, after applying voltage to anode 511 and cathode 512 respectively, organic luminous layer 513 shines.Light-emitting component 51, as display
The pixel in area 11 may include red light-emitting component, green luminousing element and blue light emitting device, thus realize colored display,
The present invention is not construed as limiting the color of light-emitting component 51.
6 covering luminous element layer 5 of thin-film encapsulation layer guarantees that light-emitting component 51 is invaded from water oxygen to completely cut off extraneous water oxygen
Erosion works normally.Specifically, thin-film encapsulation layer 6 includes at least the first inorganic layer 61, compared to organic film, the knot of inorganic layer
Structure is finer and close, can play excellent packaging effect.
Optionally, thin-film encapsulation layer 6 further includes the second organic layer 62 and third inorganic layer 63, and organic layer and inorganic layer replace
It is stacked, organic layer is used to alleviate the stress in inorganic layer, reduces the generation of crackle in inorganic layer, plays preferably encapsulation and makees
With.The present invention is not especially limited the film layer quantity being stacked in thin-film encapsulation layer 6.
Flexible display panels further include barrier wall structure 2, and barrier wall structure 2 is set to non-display area 12, and barrier wall structure 2 can be
Cyclic structure around viewing area 11, and as a whole with thin-film encapsulation layer 6, encapsulation effect is played jointly.Specifically, it keeps off
Wall construction 2 include at least the first barricade 21 and the second barricade 22, the first barricade 21 between the second barricade 22 and viewing area 11,
When making the second organic layer 62 in thin-film encapsulation layer 6, the first barricade 21 can be to second before solidification, still with mobility
Organic layer 62 plays the role of blocking, limits the boundary of the second organic layer 62.
Flexible display panels further include the first metal layer 3 and intermediate conductive layer 4, and the first metal layer 3 is located at flexible base board 1
On, intermediate conductive layer 4 is located at the first metal layer 3 far from 1 side of flexible base board.Intermediate conductive layer 4 is set with the stacking of the first metal layer 3
It sets, and intermediate conductive layer 4 is electrically connected to each other with the first metal layer 3, illustratively, intermediate conductive layer 4 and the first metal layer 3 are the
There is the part that is electrically connected to each other, alternatively, intermediate conductive layer 4 and the first metal layer 3 are the between one barricade 21 and viewing area 11
The part being electrically connected to each other is all had between one barricade 21 and viewing area 11 and in the first area 121.The first metal layer 3 and centre
Conductive layer 4 reduces the resistance in signal lead collectively as signal lead, asks conducive to the pressure drop reduced in signal lead is excessive
Topic.
In embodiments of the present invention, the region between the first barricade 21 and the second barricade 22 is the first area 121, the
In one area 121, intermediate conductive layer 4 is stacked with the first metal layer 3, and the first inorganic layer 61 covering in thin-film encapsulation layer 6
Intermediate conductive layer 4 is directly contacted with intermediate conductive layer 4.In the first area 121, intermediate conductive layer 4 has first through hole 41, the
One inorganic layer 61 covers first through hole 41, and by first through hole 41 and is located at intermediate conductive layer 4 far from the first inorganic layer 61 1
The metallic diaphragm or inorganic film of side contact.
The intermediate conductive layer 4 being electrically connected to each other and the first metal layer 3 are all extended into the first area 121, can be had in size
In the non-display area 12 of limit, widen the line width as signal lead of intermediate conductive layer 4 Yu the first metal layer 3 to the greatest extent,
To reduce the resistance of intermediate conductive layer 4 and the first metal layer 3, however, due between the first inorganic layer 61 and intermediate conductive layer 4
Cohesive force it is smaller, under the premise of by external forces, be easy to happen out between the first inorganic layer 61 and intermediate conductive layer 4
Problem is split, brings risk to the encapsulation performance of flexible display panels.And in embodiments of the present invention, it is set on intermediate conductive layer 4
Set first through hole 41, the first inorganic layer 61 is by first through hole 41 and metallic diaphragm positioned at the intermediate conductive layer other side or inorganic
Film layer contact, by the way that first through hole 41 is arranged, under the premise of not influencing the function of transmission telecommunications number of intermediate conductive layer 4, solution
It has determined the problem that caking property is poor between the first inorganic layer 61 and intermediate conductive layer 4, has prevented the first inorganic layer 61 and centre conductive
It cracks between layer 4, is conducive to the packaging effect for improving flexible display panels edge.
Position setting of the first through hole in the firstth area is specific as follows:
In a kind of embodiment, Fig. 3 is a kind of enlarged diagram in the region 122 in Fig. 1, as shown in figure 3, the
In one area 121, intermediate conductive layer 4 is around first through hole 41, that is, interval D 1 between first through hole 41 and the first barricade 21 and
Interval D 2 between first through hole 41 and the second barricade 22 is all larger than zero, and along the extension side of the first barricade 21 and the second barricade 22
To X, first through hole 41 does not run through intermediate conductive layer 4, thus, the intermediate conductive layer 4 in the first area 121 can be used as one
It is electrically whole, while ensuring to increase the cohesive force between the first inorganic layer 61 and the film layer being disposed below, utmostly
Ground reduces the resistance of intermediate conductive layer 4 using 4 part of intermediate conductive layer being located in the first area 121, walks conducive to signal is reduced
Pressure drop in line influences.It should be noted that illustrating the first through hole 41 in rectangle in Fig. 3, the shape of first through hole 41 is also
It can be circle, triangle, hexagon, arc line shaped, fold-line-shaped, S-shaped etc., the shape of the first through hole 41 in the first area 121
Shape can be same shape, alternatively, the first through hole 41 being located in the first area 121 can have various shapes, the present invention couple
This is not construed as limiting.
In another embodiment, Fig. 4 is a kind of enlarged diagram in the region 122 in Fig. 1, as shown in figure 4, edge
The extending direction X of first barricade 21, multiple first through hole 41 are alternately arranged.
In another embodiment, Fig. 5 is a kind of enlarged diagram in the region 122 in Fig. 1, as shown in figure 5,
In first area 121, intermediate conductive layer 4 has multiple first through hole 41；Multiple first through hole 41 are along the extension side of the first barricade 21
It is arranged to X；And be directed toward on the direction Y of the second barricade 22 by the first barricade 21, two neighboring first through hole 41 has overlap
Divide 411.On the basis of ensuring intermediate conductive layer 4 still for an electrical entirety, along the extending direction X of the first barricade 21, first
Inorganic layer 61 can be realized between metallic diaphragm or inorganic film of the intermediate conductive layer 4 far from 61 side of the first inorganic layer
Continuously, good caking property further increases the packaging effect of thin-film encapsulation layer 6.
In another embodiment, Fig. 6 is a kind of enlarged diagram in the region 122 in Fig. 1, and Fig. 6 is compared with Fig. 5
Wherein difference is that the shape of first through hole 41 is S-shaped at one, thus, ensure intermediate conductive layer 4 still for an electrical property it is whole
On the basis of body, two neighboring first through hole 41 has overlapping part 411, not only in the extending direction X along the first barricade 21, together
When be also directed toward on the direction Y of the second barricade 22 by the first barricade 21, realize the first inorganic layer 61 can be located at it is intermediate conductive
Continuous, good caking property between 4 metallic diaphragm or inorganic film far from 61 side of the first inorganic layer of layer, further increases
The packaging effect of thin-film encapsulation layer 6.
It can be described as follows with the first inorganic layer 61 by the film layer that first through hole 41 is connected.
First inorganic layer 61 can be by first through hole 41 and positioned at metal of the intermediate conductive layer 4 far from the first inorganic layer 61
Film layer is connected.
Specifically, in a kind of embodiment, as shown in Fig. 2, the first metal layer 3 is located at centre in the first area 121
Conductive layer 4 can be formed directly on the first metal layer 3 far from 61 side of the first inorganic layer, intermediate conductive layer 4, and with the first gold medal
Belong to layer 3 directly to contact, the first inorganic layer 61 is contacted by first through hole 41 with the first metal layer 3, the first inorganic layer 61 and first
Cohesive force between metal layer 3 is larger, can be to avoid sending out between the first inorganic layer 61 and intermediate conductive layer 4 under outer boundary's active force
The problem of raw cracking, improves the encapsulation at the edge (i.e. thin-film encapsulation layer 6 be located at non-display area 12 part) of thin-film encapsulation layer 6
Effect.
First inorganic layer 61 can by first through hole 41 be located at intermediate conductive layer 4 far from the inorganic of the first inorganic layer 61
Film layer is connected.
Specifically, in a kind of embodiment, Fig. 7 is a kind of diagrammatic cross-section of the line BB ' in Fig. 1, such as Fig. 7 institute
Show, flexible display panels further include the second inorganic layer 8, and the second inorganic layer 8 is between intermediate conductive layer 4 and flexible base board 1；?
First area 121, the first inorganic layer 61 are contacted by first through hole 41 with the second inorganic layer 8.First inorganic layer 61 and second is inorganic
Layer 8 is formed by inorganic material, so that having good bonding characteristic between the two.
To being described as follows for film layer position of second inorganic layer 8 in flexible display panels.
In a kind of embodiment, Fig. 8 is the partial cutaway view of viewing area, in conjunction with Fig. 7 and Fig. 8, flexible display panels
It further include thin film transistor array layer 7, thin film transistor array layer 7 is between flexible base board 1 and light emitting element layer 5, film
Transistor array layer 7 includes source-drain electrode layer 72 and passivation layer 73, and passivation layer 73 is located at source-drain electrode layer 72 far from flexible base board 1 one
Side, and passivation layer 73 is contacted with source-drain electrode layer 72；The material of second inorganic layer 8 is identical as the material of passivation layer 73, and same layer is set
It sets.In the embodiment, in the first area 121, the second inorganic layer 8 be located at intermediate conductive layer 4 and the first metal layer 3 it
Between, and the second inorganic layer 8 can be contacted directly with intermediate conductive layer 4, the first metal layer 3, the first inorganic layer 61 can only lead to
Crossing the first through hole 41 being set at intermediate conductive layer 4 can contact with the second inorganic layer 8, i.e. the first inorganic layer 61 and the second nothing
There is less interval film layer, the contact between the first inorganic layer 61 easy to accomplish and the second inorganic layer 8 between machine layer 8.In addition,
Second inorganic layer 8 can be formed in same manufacturing process with passivation layer 73, simplified manufacturing process, reduced production cost.
In a kind of embodiment, the second inorganic layer 8 can be extended to form from passivation layer 73 from viewing area 11 to non-display area 12, i.e.,
Second inorganic layer 8 is same film layer with passivation layer 73.It should be noted that intermediate conductive layer 4 is located at first gear in the design
Wall 21 can be electrically connected by the through-hole 81 on the second inorganic layer 8 with the first metal layer 3 close to the part of 11 side of viewing area.
In a kind of embodiment, such as scheme, shown in 9, Fig. 9 is a kind of diagrammatic cross-section of the line BB ' in Fig. 1, the
One metal layer 3 has the second through-hole 31, and the second through-hole 31 and first through hole 41 have a lap, and the first inorganic layer 61 passes through the
One through-hole 41 and the second through-hole 31 are contacted with the second inorganic layer 8；Flexible display panels further include thin film transistor array layer 7
(can refer to Fig. 2), thin film transistor array layer 7 include source-drain electrode layer 72 and interlayer insulating film 74, and interlayer insulating film 74 is located at source
Between drain electrode layer 72 and flexible base board 1, and interlayer insulating film 74 is contacted with source-drain electrode layer 72；The material and layer of second inorganic layer 8
Between insulating layer 74 material it is identical, and same layer be arranged.Interlayer insulating film 74 is for making source-drain electrode layer 72 and grid layer 75 mutually absolutely
Edge.Second inorganic layer 8 can be formed in same manufacturing process with interlayer insulating film 74, simplified manufacturing process, reduced life
Produce cost.In a kind of embodiment, the second inorganic layer 8 can be from interlayer insulating film 74 from viewing area 11 to non-display area 12
It extends to form, i.e. the second inorganic layer 8 and interlayer insulating film 74 are same film layer.
In an embodiment of the present invention, as shown in Figure 10 and Figure 11, a kind of section that Figure 10 is the line BB ' in Fig. 1 shows
It is intended to, Figure 11 is a kind of top view of first organic layer provided in an embodiment of the present invention, in the first area 121, Flexible Displays face
Plate further includes the first organic layer 9, and the first organic layer 9 is between the first inorganic layer 61 and intermediate conductive layer 4, the first organic layer 9
Annularly, and at least the inner wall of first through hole 41 is covered.The material of intermediate conductive layer 4 can be tin indium oxide/silver/tin indium oxide
Laminated construction, in the manufacturing process of flexible display panels, if silver formed film layer be exposed to the overlong time in air, hold
Easily the film layer is impacted, therefore, after forming first through hole 41 on intermediate conductive layer 4, meeting on the inner wall of first through hole 41
Exposure silver film, can form the first organic layer 9, the first organic layer 9 at least covers first through hole 41 at first through hole 41
Inner wall, and the first organic layer 9 is annular in shape in this way, the inner wall of first through hole 41 can not only be completely covered, but also will not influence the
One inorganic layer 61 is contacted through first through hole 41 with other film layers.
Further, with reference to Fig. 2, light emitting element layer 5 includes pixel defining layer 52 and a plurality of light-emitting elements 51, pixel definition
Layer 52 has multiple openings, and light-emitting component 51 is located in opening；The material phase of the material of first organic layer 9 and pixel defining layer 52
Together, and the first organic layer 9 is arranged with 52 same layer of pixel defining layer.First organic layer 9 can be with pixel defining layer 52 with along with
It is formed in manufacturing process, simplifies manufacture craft, reduce production cost.
In an embodiment of the present invention, as shown in Fig. 2, in the first area 121, the first inorganic layer 61 passes through first through hole 41
It is contacted with metallic diaphragm or inorganic film of the intermediate conductive layer 4 far from 61 side of the first inorganic layer is located at, the first metal layer 3 also wraps
It includes and the first part of the barricade 21 far from 22 side of the second barricade is extended to by the first area 121, intermediate conductive layer 4 further includes by first
Area 121 extends to the first part of the barricade 21 far from 22 side of the second barricade；Light emitting element layer 5 includes cathode layer 512, first
Between barricade 21 and viewing area 11, the first metal layer 3, intermediate conductive layer 4 and 512 three of cathode layer have overlapping part, and yin
Pole layer 512 is electrically connected with intermediate conductive layer 4, and as shown in figure 12, Figure 12 is a kind of Flexible Displays face provided in an embodiment of the present invention
The top view of plate, the overlapping part 123 that the first metal layer 3, intermediate conductive layer 4 and 512 three of cathode layer have surround viewing area
11 settings, are conducive to the current potential at each position of cathode layer 512 and reach unanimity.The first metal layer 3, intermediate conductive layer 4 with
Cathode layer 512 is in parallel, while being that cathode layer 512 transmits signal as signal lead, it helps reduce signal lead
Resistance, the pressure drop reduced in signal lead influence.
Further, as shown in Fig. 2, light emitting element layer 5 further includes anode layer 53, the material and anode of intermediate conductive layer 4
The material of layer 53 is identical, and same layer is arranged；Flexible display panels further include thin film transistor array layer 7, thin film transistor (TFT) array
Layer 7 includes source-drain electrode layer 72, and the material of the first metal layer 3 is identical with the material of source-drain electrode layer 72, and same layer is arranged.Anode layer 53
Including multiple anodes 511, intermediate conductive layer 4 can be formed in manufacturing process with anode layer 53 with along with, the first metal layer 3 with
Source-drain electrode layer 72 is formed in manufacturing process with along with, simplifies manufacture craft, reduces production cost.
In embodiments of the present invention, the material of the first inorganic layer may include at least one of silicon nitride and silica,
Or silicon nitride and silica and the composite film formed with other materials.
It should be noted that only illustrating the thin film transistor (TFT) of top gate type in Fig. 2 and Fig. 8, thin film transistor (TFT) can also be wrapped
Include bottom gate thin film transistor.
In addition, it will be understood by those skilled in the art that the region 122 in Fig. 1 and the region in Figure 12 123 only illustrate
Regional area, corresponding set-up mode are not limited to position shown in region 122 and region 123.
The embodiment of the present invention also provides a kind of display device, which includes the flexibility that any of the above-described embodiment provides
Display panel.Figure 13 is a kind of schematic diagram of display device provided in an embodiment of the present invention.The display device may include such as figure
Mobile phone shown in 13 also may include tablet computer, TV, intelligent object wearing device, display device for mounting on vehicle etc..Display device tool
The advantageous effects for thering are the flexible display panels in any of the above-described embodiment to have, the Advantageous effect which has
Fruit repeats no more in this.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (12)
1. a kind of flexible display panels characterized by comprising
Flexible base board, the flexible base board include viewing area and the non-display area around the viewing area；
Barrier wall structure, the barrier wall structure are set to the non-display area, and the barrier wall structure includes at least the first barricade and the
Two barricades, first barricade are located at first barricade and described the between the viewing area and second barricade
Region between two barricades is the firstth area；
The first metal layer, the first metal layer are located on the flexible base board；
Intermediate conductive layer, the intermediate conductive layer are located at the first metal layer far from the flexible base board side, and it is described in
Between conductive layer be electrically connected with the first metal layer, in firstth area, the first metal layer and the intermediate conductive layer
It is stacked, and the intermediate conductive layer has at least one first through hole；
Light emitting element layer, the light emitting element layer is set to the viewing area, and the light emitting element layer is located at the flexible base
Plate is close to the first metal layer side；
Thin-film encapsulation layer, the thin-film encapsulation layer are located at the light emitting element layer far from the flexible base board side, and described thin
Film encapsulated layer includes at least the first inorganic layer, and in firstth area, first inorganic layer covers the first through hole, and logical
It crosses the first through hole and is located at metallic diaphragm or inorganic film of the intermediate conductive layer far from first inorganic layer side
Contact.
2. flexible display panels as described in claim 1, which is characterized in that
In firstth area, the intermediate conductive layer is around the first through hole.
3. flexible display panels as claimed in claim 2, which is characterized in that
In firstth area, the intermediate conductive layer has multiple first through hole；
Multiple first through hole are arranged along the extending direction of first barricade；
And be directed toward on the direction of second barricade by first barricade, the two neighboring first through hole has overlap
Point.
4. flexible display panels as described in claim 1, which is characterized in that first inorganic layer passes through the first through hole
It is contacted with the first metal layer.
5. flexible display panels as described in claim 1, which is characterized in that
The flexible display panels further include the second inorganic layer, second inorganic layer be located at the intermediate conductive layer with it is described soft
Between property substrate；
In firstth area, first inorganic layer is contacted by the first through hole with second inorganic layer.
6. flexible display panels as claimed in claim 5, which is characterized in that
The flexible display panels further include thin film transistor array layer, and the thin film transistor array layer is located at the flexible base
Between plate and the light emitting element layer, the thin film transistor array layer includes source-drain electrode layer and passivation layer, the passivation layer position
In the source-drain electrode layer far from the flexible base board side, and the passivation layer is contacted with the source-drain electrode layer；
The material of second inorganic layer is identical as the material of the passivation layer, and same layer is arranged.
7. flexible display panels as claimed in claim 5, which is characterized in that
The first metal layer has the second through-hole, and second through-hole and the first through hole have a lap, and described the
One inorganic layer is contacted by the first through hole and second through-hole with second inorganic layer；
The flexible display panels further include thin film transistor array layer, the thin film transistor array layer include source-drain electrode layer and
Interlayer insulating film, the interlayer insulating film is between the source-drain electrode layer and the flexible base board, and the interlayer insulating film
It is contacted with the source-drain electrode layer；
The material of second inorganic layer is identical as the material of the interlayer insulating film, and same layer is arranged.
8. flexible display panels as described in claim 1, which is characterized in that
The flexible display panels further include the first organic layer, first organic layer be located at first inorganic layer and it is described in
Between between conductive layer, first organic layer is annular in shape, and at least covers the inner wall of the first through hole.
9. flexible display panels as claimed in claim 8, which is characterized in that
The light emitting element layer includes pixel defining layer and a plurality of light-emitting elements, and the pixel defining layer has multiple openings, institute
Light-emitting component is stated to be located in the opening；
The material of first organic layer is identical as the material of the pixel defining layer, and first organic layer and the pixel
The setting of definition layer same layer.
10. flexible display panels as described in claim 1, which is characterized in that
The first metal layer further includes that first barricade is extended to by firstth area far from second barricade side
Part, the intermediate conductive layer further include that first barricade is extended to by firstth area far from second barricade side
Part；
The light emitting element layer includes cathode layer, between first barricade and the viewing area, the first metal layer, institute
Stating intermediate conductive layer and the cathode layer three has overlapping part, and the cathode layer is electrically connected with the intermediate conductive layer.
11. flexible display panels as claimed in claim 10, which is characterized in that
The light emitting element layer further includes anode layer, and the material of the intermediate conductive layer is identical as the material of the anode layer, and
Same layer setting；
The flexible display panels further include thin film transistor array layer, and the thin film transistor array layer includes source-drain electrode layer,
The material of the first metal layer is identical with the material of the source-drain electrode layer, and same layer is arranged.
12. a kind of display device, which is characterized in that including such as described in any item flexible display panels of claim 1-11.
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| CN201810721651.8A CN108962947B (en) | 2018-07-04 | 2018-07-04 | Flexible display panel and display device |
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