CN106450038B - Display panel and its manufacturing method, display device - Google Patents
Display panel and its manufacturing method, display device Download PDFInfo
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- CN106450038B CN106450038B CN201611186664.7A CN201611186664A CN106450038B CN 106450038 B CN106450038 B CN 106450038B CN 201611186664 A CN201611186664 A CN 201611186664A CN 106450038 B CN106450038 B CN 106450038B
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- barricade
- substrate
- display area
- water oxygen
- barrier layer
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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
- H10K50/842—Containers
- H10K50/8426—Peripheral sealing arrangements, e.g. adhesives, sealants
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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
- H10K50/842—Containers
- H10K50/8428—Vertical spacers, e.g. arranged between the sealing arrangement and the OLED
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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
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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
- H10K59/10—OLED displays
- H10K59/12—Active-matrix OLED [AMOLED] displays
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- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Electroluminescent Light Sources (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The present invention provides display panel and its manufacturing methods, display device, are related to field of display technology, and wherein display panel includes a substrate, the non-display area including display area and encirclement display area；One water oxygen barrier layer, the non-display area including display area and encirclement display area, and water oxygen barrier layer is oppositely arranged with substrate；And a luminescent device, it is set between the display area of substrate and the display area of water oxygen barrier layer；The non-display area of substrate is equipped at least one the first barricade towards water oxygen barrier layer protrusion, and the non-display area of water oxygen barrier layer is equipped at least one the second barricade towards substrate bumps, and the first barricade and the second barricade surround luminescent device respectively.The present invention is by adjusting the mutually matched structure of lateral barricade, to increase the length in the path that water oxygen is laterally penetrated into, slows down the rate of water oxygen infiltration, to improve the stability of OLED device.
Description
Technical field
The present invention relates to field of display technology more particularly to a kind of display panel and its manufacturing methods, display device.
Background technique
Fig. 1 is the cross-sectional view of display panel in the prior art.Fig. 2 is that the Z-direction of water oxygen barrier layer in Fig. 1 is looked up
Figure.Fig. 3 is the top view of the Z-direction of substrate in Fig. 1.It as shown in Figures 1 to 3, is that side is arranged in a kind of use around luminescent device
To the encapsulation technology of barricade, wherein by packaging plastic 105 between substrate 101 and water oxygen barrier layer 102, by 103 envelope of luminescent device
Between display area between display area loaded on substrate 101 and water oxygen barrier layer 102, and in order to prevent water oxygen from side
Luminescent device 103 is entered, if from water oxygen barrier layer 102 towards the barricade 104 of the arterial highway annular of the side of substrate 101 protrusion,
(can be the first barricade 1041 of mutual ring set, the second barricade 1042, third barricade 1043) to stop water oxygen as much as possible
The channel that luminescent device 103 is entered from this side prevents water oxygen from side to infiltration, improves the reliability of display panel.
But since the first barricade 1041, the second barricade 1042, third barricade 1043 are all from 102 court of water oxygen barrier layer
It is extended out to substrate 101, so, the first barricade 1041, the second barricade 1042, third barricade 1043 and 101 (substrate of substrate
There is no any barrier wall structure on 101) between usually and blow-by, water oxygen still can from the first barricade 1041, the second barricade 1042,
Linear type path D between third barricade 1043 and substrate 101 enters, directly the film envelope of contact 103 upper surface of luminescent device
Layer (not shown) is filled, so above-mentioned barrier wall structure needs to be further improved and enhanced.
Summary of the invention
For the problems of the prior art, the purpose of the present invention is to provide display panel and its manufacturing methods, display dress
It sets, by adjusting the mutually matched structure of lateral barricade, to increase the length in the path that water oxygen is laterally penetrated into, slows down water oxygen infiltration
Rate, to improve the stability of OLED device.
A kind of display panel provided in an embodiment of the present invention, comprising:
One substrate, the non-display area including display area and the encirclement display area；
One water oxygen barrier layer, the non-display area including display area and the encirclement display area, and the water oxygen hinders
Interlayer is oppositely arranged with the substrate；And
One luminescent device is set between the display area of the substrate and the display area of the water oxygen barrier layer；
The non-display area of the substrate is equipped at least one the first barricade towards the water oxygen barrier layer protrusion, the water
The non-display area of oxygen barrier layer is equipped at least one the second barricade towards the substrate bumps, first barricade and described the
Two barricades surround the luminescent device respectively.
Another aspect of the present invention provides a kind of manufacturing method of display panel, comprising the following steps:
S100, a substrate is provided, the substrate includes display area and the non-display area for surrounding the display area, institute
The non-display area for stating the first side of substrate is equipped with the first barricade of at least one protrusion；
S200, a luminescent device is formed in the display area of the first side of the substrate；
S300, formed a water oxygen barrier layer, the water oxygen barrier layer include the corresponding luminescent device display area and
The non-display area of the display area is surrounded, the non-display area of the water oxygen barrier layer is equipped with the second gear of at least one protrusion
Wall；And
S400, the water oxygen barrier layer and the substrate are bonded, the luminescent device is located at the viewing area of the substrate
Between domain and the display area of the water oxygen barrier layer, first barricade and second barricade surround the photophore respectively
Part.
Another aspect of the present invention provides a kind of display device, including such as above-mentioned display panel.
Touch-control display panel of the invention has the advantage that
Display panel and its manufacturing method of the invention, display device by adjusting the mutually matched structure of lateral barricade,
Increase the length in the path that water oxygen is laterally penetrated into, slows down the rate of water oxygen infiltration, to improve the stability of OLED device.
Detailed description of the invention
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other feature of the invention,
Objects and advantages will become more apparent upon.
Fig. 1 is the cross-sectional view of display panel in the prior art；
Fig. 2 is the bottom view of the Z-direction of water oxygen barrier layer in Fig. 1；
Fig. 3 is the top view of the Z-direction of substrate in Fig. 1；
Fig. 4 is the cross-sectional view of the display panel in the present invention；
Fig. 5 is the bottom view of the Z-direction of water oxygen barrier layer in Fig. 4；
Fig. 6 is the top view of the Z-direction of substrate in Fig. 4；
Fig. 7 is the staggered signal of wall of the wall and the second barricade of the first barricade in display panel of the invention
Figure；
Fig. 8 is the schematic cross-section of the first barricade in display panel of the invention；
Fig. 9 is the schematic cross-section of the second barricade in display panel of the invention；
Figure 10 is the cross-sectional view of another display panel in the present invention；
Figure 11 is the bottom view of the Z-direction of the water oxygen barrier layer in another display panel in the present invention；
Figure 12 is the top view of the Z-direction of the substrate in another display panel in the present invention；
Figure 13 is the flow chart of the manufacturing method of the display panel in the present invention；
Figure 14 is the schematic diagram of step S100 in the manufacturing method of the display panel in the present invention；
Figure 15 is the schematic diagram of step S200 in the manufacturing method of the display panel in the present invention；
Figure 16 is the schematic diagram of step S300 in the manufacturing method of the display panel in the present invention；
Figure 17 is the schematic diagram of step S400 in the manufacturing method of the display panel in the present invention；
Figure 18 is the top view of the Z-direction of the positional relationship of the first barricade and the second barricade in Figure 17；
Figure 19 is the bottom view of the Z-direction of the water oxygen barrier layer in another display panel in the present invention；
Figure 20 is the top view of the Z-direction of the substrate in another display panel in the present invention；
Figure 21 is the wall of the first barricade in another display panel of the invention and the wall staggered row of the second barricade
The schematic diagram of column；
Figure 22 is the bottom view of the Z-direction of the water oxygen barrier layer in another display panel in the present invention；
Figure 23 is the top view of the Z-direction of the substrate in another display panel in the present invention；
Figure 24 is the wall of the first barricade in another display panel of the invention and the wall staggered row of the second barricade
The schematic diagram of column；
Figure 25 is the bottom view of the Z-direction of the water oxygen barrier layer in another display panel in the present invention；
Figure 26 is the top view of the Z-direction of the substrate in another display panel in the present invention；And
Figure 27 is the wall of the first barricade in another display panel of the invention and the wall staggered row of the second barricade
The schematic diagram of column.
Specific embodiment
Example embodiment is described more fully with reference to the drawings.However, example embodiment can be with a variety of shapes
Formula is implemented, and is not understood as limited to embodiment set forth herein；On the contrary, thesing embodiments are provided so that the present invention will
Fully and completely, and by the design of example embodiment comprehensively it is communicated to those skilled in the art.It is identical attached in figure
Icon note indicates same or similar structure, thus will omit repetition thereof.
Fig. 4 is the cross-sectional view of the display panel in the present invention.Fig. 5 is the bottom view of the Z-direction of water oxygen barrier layer in Fig. 4.
Fig. 6 is the top view of the Z-direction of substrate in Fig. 4.Fig. 7 is the wall and second gear of the first barricade in display panel of the invention
The staggered schematic diagram of the wall of wall.As shown in Fig. 4 to 7, display panel of the invention, comprising: substrate 1, water oxygen barrier layer 2
And luminescent device 3.Substrate 1 includes display area 11 (referring to Fig. 6) and surrounds the non-display area 12 of display area (referring to figure
6).Non-display area 22 of the water oxygen barrier layer 2 including display area 21 and encirclement display area, and water oxygen barrier layer 2 and substrate 1
It is oppositely arranged.Luminescent device 3 is set between the display area of substrate 1 and the display area of water oxygen barrier layer 2.
The non-display area 12 of substrate 1 is equipped at least one the first barricade 5 towards 2 protrusion of water oxygen barrier layer.Water oxygen barrier
The non-display area 22 of layer 2 is equipped at least one the second barricade 4 towards 1 protrusion of substrate.First barricade 5 and the second barricade 4 difference
Surround luminescent device 3.The present invention by substrate non-display area setting towards water oxygen barrier layer protrusion the first barricade and
Towards the second barricade of substrate bumps, the path for spreading water oxygen is more tortuous for the non-display area setting of water oxygen barrier layer, thus
Increase the side packaging effect of display panel.On substrate 1 due to the setting of the first barricade 5, have strictly to the oxygen effect that blocks water
It is required that optionally, the first barricade 5 can be sandwich structure, including an at least organic film stacked on top of each other and at least one
Inorganic film.Optionally, inorganic material includes one or more of silicon nitride, aluminium oxide, silica, in order to prevent inorganic layer
It is directly contacted with inorganic layer and generates stress collection and neutralize the unstable phenomenon of interfacial adhesion, the first barricade 5 can also include organic
Film layer, the material of the organic film can be photosensitive organic object.Second barricade 4 is also possible to be sandwich structure, including folded
At least organic film and an at least barrier layer set, since water oxygen barrier layer 2 is to be bonded by way of fitting with substrate,
Second barricade 4 requires height without the first barricade 5 to the oxygen effect that blocks water of material, optionally, the barrier material of second barricade 4
It may include at least one of silicon nitride, silica, aluminium oxide, aluminium, the material of the organic film of the second barricade 4 can be suction
Oxygen organic material or photosensitive organic object, the effect of the second barricade 4 mainly cooperate with the first barricade 1, increase water oxygen diffusion path,
And the barrier to water oxygen.Optionally, the second barricade 4 can coat the structure of one layer of aluminium using oxygen uptake organic matter outside, due to
Oxygen can be absorbed in oxygen uptake organic matter, and aluminium can react with oxygen and form fine and close oxide layer, and the second barricade 4 uses aluminium and suction
Oxygen organic can achieve the oxygen effect that preferably blocks water.
Optionally, the altitude range of the first barricade 5 and/or the second barricade 4 is 3 μm to 15 μm, adjacent 5 He of the first barricade
Spacing between second barricade 4 is greater than 1 μm.The embodiment of the present invention is equipped with an at least court by the non-display area 12 in substrate 1
To the first barricade 5 of 2 protrusion of water oxygen barrier layer, it is convex towards substrate 1 that at least one is equipped in the non-display area 22 of water oxygen barrier layer 2
The second barricade 4 risen, is arranged alternately by the first barricade 5 and the second barricade 4, increases water oxygen diffusion path, therefore the first barricade 5
Height setting with the second barricade 4 needs to meet the projection of the first barricade 5 and the second barricade 4 in the height direction and at least partly can
It is enough overlapping.It is the boundary for limiting organic layer that first barricade 5, which has another effect outside above-mentioned effect, in the embodiment of the present invention
The height of first barricade, which needs to meet, is defined the boundary of the organic layer in encapsulated layer, prevents organic layer excessive, causes side
Frame is wider.Therefore, optionally, the altitude range of the first barricade 5 and/or the second barricade 4 is 3 μm to 15 μm.Optionally, adjacent
Spacing between first barricade 5 and the second barricade 4 is greater than 1 μm, to make first gear when meeting water oxygen barrier layer 2 and the fitting of substrate 1
Wall 5 and the second barricade 4 are arranged alternately in the case where not misplacing, and reduce the frame of non-display area, improve visual effect.
Optionally, the first barricade 5 in the present invention abuts water oxygen barrier layer 2, and second gear wall 4 abuts substrate 1, so that in base
Confined space is formed between plate and water oxygen barrier layer, obstructs water oxygen permeation pathway, improves packaging effect.
Optionally, the first barricade 5 in the present invention and the second barricade 4 are alternately arranged, and form similar intermeshing structure.
And since the projection direction of both the first barricade 5 and the second barricade 4 is different, thus they will necessarily separate it is in the prior art
Linear type path D (referring to Fig. 1) realizes the sealing effect for being better than the prior art.Optionally, water oxygen barrier layer 2 is towards substrate 1
Side also includes packaging plastic 6, and the second barricade 4 is packaged glue 6 and surrounds, and but not limited to this.
In another change case, the first barricade 5 is in the projection of substrate 1 in the projection of substrate 1 and/or the second barricade 4
Closed figure, to completely cut off the channel of water oxygen contact luminescent device 3 as much as possible.
According to the different process requirements of display panel, packaging plastic 6 can be coated on water oxygen barrier layer 2 towards substrate 1 with whole face
Side.Alternatively, packaging plastic 6 is only coated on water oxygen barrier layer 2 towards the non-display of the side of substrate 1 in another change case
Region is not coated in display area, as long as meeting formation confined space between substrate and water oxygen barrier layer 2.First barricade 5
And/or second the cross section of barricade 4 can be one of trapezoidal, triangle, rectangle, semicircle, half elliptic, but not with this
It is limited.
With continued reference to shown in Figures 5 and 6, the periphery of substrate 1 is equipped with two first barricades 5 raised facing towards water oxygen barrier layer 2,
First barricade 52 and the first barricade 51 are all closed figures, and the first barricade 52 is around the first barricade 51.The week of water oxygen barrier layer 2
Side be equipped with one facing towards the protrusion of substrate 1 the second barricade 4, the second barricade 4 between the first barricade 52 and the first barricade 51, but
It is not limited.Similar intermeshing sealing structure is collectively formed in second barricade 4, the first barricade 52 and the first barricade 51, resistance
Water proof oxygen enters.In a preferred embodiment, the closed figure of the first barricade 51,52 can be rectangle, square, three
It is one of angular, round, oval, and be not limited.
Fig. 8 is the schematic cross-section of the first barricade in display panel of the invention.As shown in figure 8, along the second barricade 4
Short transverse, the second barricade 4 on water oxygen barrier layer 2 is sandwich structure, including stacked 411 He of an at least organic film
An at least barrier layer 412.Wherein, organic film 411 can form barricade by photoetching process, and barrier layer 412 is covered on organic
On film layer 411.In the present embodiment, the material of barrier layer includes at least one of silicon nitride, silica, aluminium oxide, aluminium, is had
The material of machine film layer includes one of photosensitive organic object, oxygen uptake organic matter, and but not limited to this.
Fig. 9 is the schematic cross-section of the first barricade in display panel of the invention.As shown in figure 9, along the first barricade 5
Short transverse, the first barricade 5 is sandwich structure, including an at least organic film and an at least inoranic membrane stacked on top of each other
Layer.Display panel in the present embodiment can further include stacked flatness layer 511, pixel defining layer 512, buffer layer 513, encapsulation
Film layer 514, but not limited to this.Wherein, flatness layer 511 is formed between substrate 1 and luminescent device 3.512 shape of pixel defining layer
At the side for deviating from substrate 1 in flatness layer 511.Buffer layer 513 is formed in the side that pixel defining layer 512 deviates from substrate 1.Encapsulation
Film layer 514 is formed in the side that buffer layer 513 deviates from substrate 1.Wherein, flatness layer 511 forms barricade, pixel by photoetching process
Definition layer 512, buffer layer 513, encapsulation film layer 514 covering thereon, the first barricade 5 include the above-mentioned flatness layer 511 being sequentially stacked,
Pixel defining layer 512, buffer layer 513, encapsulation 514 four-layer structure of film layer.It should be noted that being put down in display panel of the invention
Smooth layer 511, pixel defining layer 512, buffer layer 513, encapsulation film layer 514 can be stepped construction, but do not coat, and the present invention is real
The first barricade 5 for applying example includes the flatness layer 511 being sequentially stacked, pixel defining layer 512, buffer layer 513, encapsulates film layer 514, and
It does not need additional technique and prepares the first barricade 5, save technique, reduce cost.
Figure 10 is the cross-sectional view of another display panel in the present invention.As shown in Figure 10, in a variation, this hair
The first barricade 5 in bright display panel on the non-display area 12 of substrate 1 does not abut water oxygen barrier layer 2, the first barricade 5 with
There is certain interval, the second barricade 4 on the non-display area 22 of water oxygen barrier layer 2 does not abut base between water oxygen barrier layer 2
Plate 1 also has certain interval between second barricade 4 and substrate 1.It is length with display panel that the source in this gap, which can be,
In phase use it is depressed and separate either technique manufacture on error caused by.But even if there are gaps, due to this hair
Bright the first barricade 5 and the alternately arranged structure of the second barricade 4, water oxygen will be one reciprocally bending by the distance in these gaps
Path E.Reciprocating bending path E will be considerably longer than linear type path D, and present invention dramatically increases the lateral deep roads of water oxygen
The length of diameter slows down the rate of water oxygen infiltration, to improve the stability of OLED device.Optionally, in water oxygen barrier layer
Packaging plastic is set towards the side of substrate, second gear wall is packaged glue and surrounds, and so that substrate and water oxygen is obstructed interlayer and forms confined air
Between, to reach the oxygen effect that preferably blocks water.
In a variation, the periphery of substrate 1 is equipped with first barricade 5 raised facing towards water oxygen barrier layer 2, water oxygen
The periphery of barrier layer 2 is equipped with two second barricades 4 raised facing towards substrate 1, after substrate 1 is bonded with water oxygen barrier layer 2, first gear
Wall 5 is located between the second barricade of two sides 4, and but not limited to this.
Figure 11 is the bottom view of the Z-direction of the water oxygen barrier layer in another display panel in the present invention.Figure 12 is this
The top view of the Z-direction of the substrate in another display panel in invention.As shown in FIG. 11 and 12, in a variation,
The periphery of substrate 1 is equipped with three first barricades 51,52,53 raised facing towards water oxygen barrier layer 2, and the periphery of water oxygen barrier layer 2 is set
Have two facing towards the protrusion of substrate 1 the second barricades 41,42, after substrate 1 is bonded with water oxygen barrier layer 2, the second barricade 41 is positioned at the
Between one barricade 51 and the first barricade 52, the second barricade 42 forms five layers between the first barricade 52 and the first barricade 53
Similar intermeshing structure, more fully barrier water oxygen enter.In order to further ensure first barricade and described second
Barricade is alternately arranged the effect of barrier water oxygen, and the first barricade and second gear can be arranged in those skilled in the art according to actual needs
The face number of wall, it is not limited here.
Figure 13 is the flow chart of the manufacturing method of the display panel in the present invention.As shown in figure 13, display surface of the invention
The manufacturing method of plate, comprising the following steps:
S100, a substrate 1 is provided, substrate 1 includes display area and the non-display area for surrounding display area, substrate 1 the
The non-display area of side is equipped with the first barricade 5 of at least one protrusion.Figure 14 is the manufacturing method of the display panel in the present invention
The schematic diagram of middle step S100.As shown in figure 14, the first barricade 5 of twice closed figure is formed in the non-display area of substrate 1,
Wherein, the first barricade 52 and the first barricade 51 are all closed figures, and the first barricade 52 is around the first barricade 51.
S200, a luminescent device 3 is formed in the display area of the first side of substrate 1.Figure 15 is the display surface in the present invention
The schematic diagram of step S200 in the manufacturing method of plate.As shown in figure 15, it makes and shines in the display area of the first side of substrate 1
Device 3, luminescent device 3 may include that details are not described herein again for TFT backplate, control circuit, luminescent material etc..
S300, a water oxygen barrier layer 2 is formed, water oxygen barrier layer 2 includes the display area of corresponding luminescent device 3 and surrounds aobvious
Show that the non-display area in region, the non-display area of water oxygen barrier layer 2 are equipped with the second barricade 4 of at least one protrusion.Figure 16 is this
The schematic diagram of step S300 in the manufacturing method of display panel in invention.In conjunction with shown in Figure 15 and Figure 16, in water oxygen barrier layer 2
Non-display area form the second barricade 4 of one of closed figure, after water oxygen barrier film and substrate are bonded, the second barricade 4
Between the first barricade 51 and the second barricade 52.
S400, water oxygen barrier layer 2 and substrate 1 are bonded, luminescent device 3 is located at the display area of substrate 1 and water oxygen obstructs
Between the display area of layer 2, the first barricade 5 and the second barricade 4 surround luminescent device 3 respectively.Figure 17 is the display in the present invention
The schematic diagram of step S400 in the manufacturing method of panel.Figure 18 is the Z of the positional relationship of the first barricade and the second barricade in Figure 17
The top view in direction.As shown in FIG. 17 and 18, it is bonded together by water oxygen barrier layer 2 and substrate 1, guarantees 3 quilt of luminescent device
Packaging plastic 6 is packaged in the space between the display area of substrate 1 and the display area of water oxygen barrier layer 2, and the second barricade 4
Between the first barricade 52 and the first barricade 51, similar nibble is collectively formed with the first barricade 51 in the second barricade 4, the first barricade 52
The sealing structure of conjunction, barrier water oxygen enter.
The first barricade 5 and the second barricade 4 not necessarily closed figure of different protrusion directions in the present invention, can also be with
It is the barrier structure that other stop water oxygen to enter.Optionally, a projection in substrate 1 in the first barricade 5 and the second barricade 4
It is closed figure, the other is the multistage wall of consecutive intervals arrangement, gap between the wall of the barricade is by adjacent another
Barricade blocks.Several different 4 fit structures of the first barricade 5 and the second barricade are proposed individually below, and but not limited to this.
Figure 19 is the bottom view of the Z-direction of the water oxygen barrier layer in another display panel in the present invention.Figure 20 is this
The top view of the Z-direction of the substrate in another display panel in invention.Figure 21 is in another display panel of the invention
The first barricade wall and the second barricade the staggered schematic diagram of wall.As shown in Figure 19 to 21, it is of the invention again
In a kind of change case, the first barricade 51,52 and the second barricade 4 are all the multistage wall of consecutive intervals arrangement, the first barricade 51,52
Wall and the wall of the second barricade 4 be staggered, the gap between the wall of barricade is by the wall institute of adjacent another barricade
It blocks, so that water oxygen is difficult to that similar ratcheting sealing structure is collectively formed with the second barricade 4 by the first barricade 51,52；Alternatively,
It is to need to bend repeatedly to be possible to around multi-layer walls by considerably increasing the length in the lateral deep path of water oxygen.
Figure 22 is the bottom view of the Z-direction of the water oxygen barrier layer in another display panel in the present invention.Figure 23 is this
The top view of the Z-direction of the substrate in another display panel in invention.Figure 24 is in another display panel of the invention
The first barricade wall and the second barricade the staggered schematic diagram of wall.First barricade 51,52 substrate 1 projection all
It is closed figure, the second barricade 4 is the multistage wall of consecutive intervals arrangement, and the gap between the wall of the second barricade 4 is adjacent
The first barricade 51,52 blocked.So that water oxygen is difficult to that similar conjunction is collectively formed with the second barricade 4 by the first barricade 51,52
Sealing structure；Alternatively, being to need to bend repeatedly to be possible to around multi-layer walls or barricade by considerably increasing water oxygen side
To the length in deep path.
Figure 25 is the bottom view of the Z-direction of the water oxygen barrier layer in another display panel in the present invention.Figure 26 is this
The top view of the Z-direction of the substrate in another display panel in invention.Figure 27 is in another display panel of the invention
The first barricade wall and the second barricade the staggered schematic diagram of wall.First barricade 51,52 is all consecutive intervals row
The multistage wall of column, the second barricade 4 are all closed figures in the projection of substrate 1, the gap between the wall of the first barricade 51,52
It is blocked by the second adjacent barricade 4.So that water oxygen be difficult to be collectively formed by the first barricade 51,52 with the second barricade 4 it is similar
The sealing structure of engagement；Alternatively, being to need to bend repeatedly to be possible to around multi-layer walls or barricade by considerably increasing water
The length in the lateral deep path of oxygen.
The present embodiment additionally provides a kind of display device, may include any one of the above display panel.Display device can
Think mobile phone, desktop computer, notebook, tablet computer, electron album etc., the relevant technologies feature is as before, details are not described herein again.
To sum up, display panel of the invention and its manufacturing method, display device are mutually matched by adjusting lateral barricade
Structure slows down the rate of water oxygen infiltration, to improve OLED device to increase the length in the path that water oxygen is laterally penetrated into
Stability.
The above content is combine specific optional embodiment further detailed description of the invention, 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 (19)
1. a kind of display panel characterized by comprising
One substrate, the non-display area including display area and the encirclement display area；
One water oxygen barrier layer, the non-display area including display area and the encirclement display area, and the water oxygen barrier layer
It is oppositely arranged with the substrate；And
One luminescent device is set between the display area of the substrate and the display area of the water oxygen barrier layer；
The non-display area of the substrate is equipped at least one the first barricade towards the water oxygen barrier layer protrusion, the water oxygen resistance
The non-display area of interlayer is equipped at least one the second barricade towards the substrate bumps, first barricade and the second gear
Wall surrounds the luminescent device respectively；
At least one of first barricade and second barricade are the multistage wall of consecutive intervals arrangement, the multistage wall
It is blocked by adjacent another first barricade or another second barricade in gap between body.
2. display panel as described in claim 1, which is characterized in that first barricade and second barricade are alternately arranged
Column.
3. display panel as claimed in claim 2, which is characterized in that projection of at least 1 first barricade in the substrate
And/or at least 1 second barricade in the projection of the substrate be closed figure.
4. display panel as claimed in claim 2, which is characterized in that between first barricade and second barricade are continuous
Every the multistage wall of arrangement, the wall of the wall of first barricade and second barricade is staggered.
5. display panel as claimed in claim 2, which is characterized in that one in first barricade and second barricade
It is closed figure in the projection of the substrate, the other is the multistage wall of consecutive intervals arrangement.
6. display panel as claimed in claim 2, which is characterized in that first barricade abuts the water oxygen barrier layer, institute
It states the second barricade and abuts the substrate.
7. the display panel as described in any one of claim 1 to 6, which is characterized in that the periphery of the substrate is equipped with two
Facing towards the first barricade of the water oxygen barrier layer protrusion, it is convex facing towards the substrate that the periphery of the water oxygen barrier layer is equipped with one
The second barricade risen, second barricade are located between the first barricade described in two sides.
8. the display panel as described in any one of claim 1 to 6, which is characterized in that the periphery of the substrate is equipped with one
Facing towards the first barricade of the water oxygen barrier layer protrusion, it is convex facing towards the substrate that the periphery of the water oxygen barrier layer is equipped with two
The second barricade risen, first barricade are located between the second barricade described in two sides.
9. the display panel as described in any one of claim 1 to 6, which is characterized in that along the height of first barricade
Direction, first barricade is sandwich structure, including an at least organic film and an at least inorganic film stacked on top of each other.
10. display panel as claimed in claim 9, which is characterized in that the display panel further include:
One flatness layer is formed between the substrate and the luminescent device；
One pixel defining layer is formed in the side that the flatness layer deviates from the substrate；
One buffer layer is formed in the side that the pixel defining layer deviates from the substrate；And
One encapsulation film layer, is formed in the side that the buffer layer deviates from the substrate.
11. display panel as claimed in claim 10, which is characterized in that first barricade include be sequentially stacked it is described flat
Smooth layer, pixel defining layer, buffer layer and encapsulation film layer.
12. the display panel as described in any one of claim 1 to 6, which is characterized in that along the height of second barricade
Direction, second barricade is sandwich structure, including stacked an at least organic film and an at least barrier layer.
13. display panel as claimed in claim 12, which is characterized in that the material of the barrier layer includes silicon nitride, oxidation
At least one of silicon, aluminium oxide, aluminium, the material of the organic film include one of photosensitive organic object, oxygen uptake organic matter.
14. the display panel as described in any one of claim 1 to 6, which is characterized in that the water oxygen barrier layer is towards institute
The side for stating substrate also includes packaging plastic, and second barricade is surrounded by the packaging plastic.
15. the display panel as described in any one of claim 1 to 6, which is characterized in that first barricade and/or institute
The cross section for stating the second barricade is one of trapezoidal, triangle, rectangle, semicircle, half elliptic.
16. the display panel as described in any one of claim 1 to 6, which is characterized in that first barricade and/or institute
The altitude range for stating the second barricade is 3 μm to 15 μm, and the spacing between adjacent first barricade and second barricade is big
In 1 μm.
17. a kind of manufacturing method of display panel, which comprises the following steps:
S100, a substrate is provided, the substrate includes display area and the non-display area for surrounding the display area, the base
The non-display area of the first side of plate is equipped with the first barricade of at least one protrusion；
S200, a luminescent device is formed in the display area of the first side of the substrate；
S300, a water oxygen barrier layer is formed, the water oxygen barrier layer includes display area and the encirclement of the corresponding luminescent device
The non-display area of the display area, the non-display area of the water oxygen barrier layer are equipped with the second barricade of at least one protrusion；
And
S400, the water oxygen barrier layer and the substrate are bonded, the luminescent device be located at the substrate display area and
Between the display area of the water oxygen barrier layer, first barricade and second barricade surround the luminescent device respectively；
At least one of first barricade and second barricade be consecutive intervals arrangement multistage wall, the multistage wall it
Between gap blocked by adjacent another first barricade or another second barricade.
18. the manufacturing method of display panel according to claim 17, which is characterized in that first barricade and described
Two barricades are alternately arranged.
19. a kind of display device, which is characterized in that including the display panel as described in any one of claim 1 to 16.
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| CN201611186664.7A CN106450038B (en) | 2016-12-21 | 2016-12-21 | Display panel and its manufacturing method, display device |
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| CN201611186664.7A CN106450038B (en) | 2016-12-21 | 2016-12-21 | Display panel and its manufacturing method, display device |
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| CN106450038B true CN106450038B (en) | 2018-12-25 |
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| CN107644947B (en) * | 2017-09-18 | 2020-03-10 | 京东方科技集团股份有限公司 | Array substrate, preparation method thereof and display device |
| CN107768544A (en) * | 2017-09-25 | 2018-03-06 | 深圳市华星光电半导体显示技术有限公司 | A kind of manufacturing method thereof of glass substrate, OLED and glass substrate |
| US10608191B2 (en) | 2017-09-25 | 2020-03-31 | Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | OLED device, glass substrate and fabricating method thereof |
| CN107561762B (en) * | 2017-09-29 | 2020-10-16 | 武汉天马微电子有限公司 | Display panel and display device |
| CN107863357B (en) * | 2017-11-15 | 2021-03-09 | 上海天马微电子有限公司 | Array substrate, display panel and display device |
| WO2019127203A1 (en) * | 2017-12-28 | 2019-07-04 | 深圳市柔宇科技有限公司 | Display screen, manufacture method thereof, and display device |
| CN108321181B (en) | 2018-03-09 | 2020-11-06 | 武汉华星光电半导体显示技术有限公司 | Display panel, preparation method thereof and display device |
| US10756297B2 (en) | 2018-04-19 | 2020-08-25 | Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | Flexible panel, manufacturing method for the same and display device |
| CN108598108A (en) * | 2018-04-19 | 2018-09-28 | 武汉华星光电半导体显示技术有限公司 | Flexible panel and its manufacturing method and display device |
| CN108832018A (en) * | 2018-06-21 | 2018-11-16 | 北京蜃景光电科技有限公司 | A kind of organic luminescent device, display screen and display with enhancing sealing effect |
| CN109256486A (en) * | 2018-09-11 | 2019-01-22 | 武汉华星光电半导体显示技术有限公司 | A kind of display device and preparation method thereof |
| CN109378402B (en) * | 2018-09-28 | 2020-06-16 | 武汉华星光电半导体显示技术有限公司 | OLED panel and preparation method |
| CN110097827A (en) * | 2019-04-10 | 2019-08-06 | 武汉华星光电半导体显示技术有限公司 | Display panel and display device |
| CN113348559A (en) * | 2019-06-26 | 2021-09-03 | 深圳市柔宇科技股份有限公司 | OLED display panel, manufacturing method thereof and terminal equipment |
| WO2021035692A1 (en) * | 2019-08-30 | 2021-03-04 | Huawei Technologies Co., Ltd. | Display screen and terminal device |
| CN110611050B (en) * | 2019-09-30 | 2021-05-07 | 京东方科技集团股份有限公司 | Mold and packaging method of OLED display panel |
| CN111834546A (en) * | 2020-07-07 | 2020-10-27 | 武汉华星光电半导体显示技术有限公司 | Display device, display panel and manufacturing method thereof |
| CN111969122A (en) | 2020-08-11 | 2020-11-20 | Tcl华星光电技术有限公司 | Display mother board |
| CN112750846B (en) * | 2021-01-04 | 2023-06-06 | 武汉华星光电半导体显示技术有限公司 | OLED display panel and OLED display device |
| CN112885977A (en) * | 2021-01-20 | 2021-06-01 | 京东方科技集团股份有限公司 | Display substrate, manufacturing method thereof and display panel |
| TWI769817B (en) * | 2021-05-17 | 2022-07-01 | 友達光電股份有限公司 | Display device and manufacturing method thereof |
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| CN104241550B (en) * | 2014-08-05 | 2017-08-15 | 京东方科技集团股份有限公司 | OLED display and its method for packing |
| CN104393189A (en) * | 2014-11-28 | 2015-03-04 | 京东方科技集团股份有限公司 | Flexible organic electroluminescent device as well as manufacturing method thereof and organic light-emitting display device |
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