CN108777266A - Display panel and display device - Google Patents
Display panel and display device Download PDFInfo
- Publication number
- CN108777266A CN108777266A CN201810541614.9A CN201810541614A CN108777266A CN 108777266 A CN108777266 A CN 108777266A CN 201810541614 A CN201810541614 A CN 201810541614A CN 108777266 A CN108777266 A CN 108777266A
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- Prior art keywords
- barricade
- face
- display panel
- substrate
- viewing area
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- 239000010410 layer Substances 0.000 claims abstract description 70
- 239000012044 organic layer Substances 0.000 claims abstract description 68
- 239000000758 substrate Substances 0.000 claims abstract description 54
- 239000010409 thin film Substances 0.000 claims abstract description 30
- 238000005538 encapsulation Methods 0.000 claims description 22
- 230000000694 effects Effects 0.000 abstract description 10
- 238000004806 packaging method and process Methods 0.000 abstract 3
- 238000005452 bending Methods 0.000 description 13
- 208000037656 Respiratory Sounds Diseases 0.000 description 5
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 5
- 239000001301 oxygen Substances 0.000 description 5
- 229910052760 oxygen Inorganic materials 0.000 description 5
- 239000011241 protective layer Substances 0.000 description 5
- 239000004642 Polyimide Substances 0.000 description 4
- UMIVXZPTRXBADB-UHFFFAOYSA-N benzocyclobutene Chemical compound C1=CC=C2CCC2=C1 UMIVXZPTRXBADB-UHFFFAOYSA-N 0.000 description 4
- 230000018109 developmental process Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000012447 hatching Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000002161 passivation Methods 0.000 description 4
- 229920001721 polyimide Polymers 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- -1 acryl Chemical group 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000004069 differentiation Effects 0.000 description 2
- 239000010408 film Substances 0.000 description 2
- 210000004209 hair Anatomy 0.000 description 2
- 238000007641 inkjet printing Methods 0.000 description 2
- 239000004973 liquid crystal related substance Substances 0.000 description 2
- 239000011368 organic material Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 239000004952 Polyamide Substances 0.000 description 1
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 229920001807 Urea-formaldehyde Polymers 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 229920002647 polyamide Polymers 0.000 description 1
- ODGAOXROABLFNM-UHFFFAOYSA-N polynoxylin Chemical compound O=C.NC(N)=O ODGAOXROABLFNM-UHFFFAOYSA-N 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/80—Constructional details
- H10K50/84—Passivation; Containers; Encapsulations
- H10K50/844—Encapsulations
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Electroluminescent Light Sources (AREA)
Abstract
The embodiment of the invention discloses a display panel and a display device. The display panel includes: a substrate including a display region and a non-display region; an organic light emitting structure located in the display region of the substrate; the first retaining wall is positioned in the non-display area of the substrate and surrounds the display area; the thin film packaging layer covers the organic light-emitting structure; the thin film packaging layer comprises an organic layer, and the organic layer is positioned in the area surrounded by the first retaining wall; the first retaining wall comprises a first surface and a second surface which are oppositely arranged, the first surface is a surface of the first retaining wall far away from the display area, the second surface is a surface of the first retaining wall close to the display area, and the shape of the vertical projection of the first surface on the substrate is the same as the shape of the boundary of the display area; the first retaining wall comprises a first part, and a second surface of the first part is provided with a plurality of protruding parts in vertical projection on the substrate. The scheme of the embodiment of the invention realizes better connection of the boundary of the retaining wall and the organic layer in the thin film packaging layer, and improves the display effect of the display panel.
Description
Technical field
The present embodiments relate to display technology more particularly to a kind of display panel and display devices.
Background technology
Organic Light Emitting Diode (Organic Light Emitting Diode, OLED) display is that a kind of self-luminous is aobvious
Show device, compared to liquid crystal display (liquid crystal display, LCD), OLED display does not need backlight, therefore
OLED display is more frivolous, and OLED display also has high brightness, low-power consumption, wide viewing angle, high response speed, wide use in addition
The advantages that temperature range and be applied to more and more in various high-performance display fields.
It is often used the method for thin-film package in the prior art to ensure luminous organic material and electrode not in by external environment
The erosion of steam and oxygen.Meanwhile the increasing for leading to the inactive area of device periphery in order to avoid the effect of extension of thin-film encapsulation layer
Add, barricade is often arranged in the prior art around organic light-emitting structure.However the design of existing barricade can not well with it is thin
The boundary linking of organic layer, causes subregion organic layer to be easy missing, influences display effect in film encapsulated layer.
Invention content
A kind of display panel of present invention offer and display device, to realize the boundary of barricade and organic layer in thin-film encapsulation layer
Preferably linking, promotes the display effect of display panel.
In a first aspect, an embodiment of the present invention provides a kind of display panel, which includes：
Substrate, including viewing area and non-display area；
Organic light-emitting structure is located in the viewing area of the substrate；
First barricade is located in the non-display area of the substrate, and surrounds the viewing area；
Thin-film encapsulation layer, the thin-film encapsulation layer cover the organic light-emitting structure；The thin-film encapsulation layer includes organic
Layer, the organic layer be located at the first gear walled around region in；
Wherein, first barricade includes the first face and the second face being oppositely arranged, and first face is the first gear
Face of the wall far from the viewing area, second face are the face that first barricade closes on the viewing area, and first face exists
The shape of the upright projection of the substrate is identical as the shape on the boundary of the viewing area；First barricade includes first
Point, the second face of the first part has multiple protruding portion in the upright projection of the substrate.
Second aspect, the embodiment of the present invention additionally provide a kind of display device, which includes that the present invention is arbitrary real
Apply the display panel described in example.
The embodiment of the present invention includes first part by the way that the first barricade is arranged, and the second face of first part is in the vertical of substrate
Projection has multiple protruding portion so that the shape of the first barricade can preferably be connected with the sprawling boundary of organic layer, avoid
Machine layer segment region is relatively thin or lacks, to influence the overall performance of display panel.And first by the way that the first barricade is arranged
Face is identical as the shape on the boundary of viewing area in the shape of the upright projection of substrate so that the first face is the relatively simple rule of shape
The then face of shape reduces the manufacture difficulty of the first barricade, and the stress that the first face is subject to when display panel bending is larger, leads to
The face for setting the first face to regular shape is crossed, the structural strength in the first face can be effectively enhanced, avoids generating when bending and split
Line and influence display panel and show.
Description of the drawings
Fig. 1 is a kind of schematic top plan view of display panel provided in an embodiment of the present invention；
Fig. 2 be in Fig. 1 display panel along the sectional view of hatching AA；
Fig. 3 is the schematic top plan view of another display panel provided in an embodiment of the present invention；
Fig. 4 is the schematic top plan view of another display panel provided in an embodiment of the present invention；
Fig. 5 is the schematic top plan view of another display panel provided in an embodiment of the present invention；
Fig. 6 is the schematic top plan view of another display panel provided in an embodiment of the present invention；
Fig. 7 is the sectional view of another display panel provided in an embodiment of the present invention；
Fig. 8 is the schematic top plan view of another display panel provided in an embodiment of the present invention；
Fig. 9 is the schematic top plan view of another display panel provided in an embodiment of the present invention；
Figure 10 be in Fig. 9 display panel along the sectional view of hatching BB；
Figure 11 is a kind of schematic diagram of display device provided in an embodiment of the present invention.
Specific implementation mode
To make the above purposes, features and advantages of the invention more obvious and understandable, below in conjunction with attached drawing and implementation
The present invention will be further described for example.However, example embodiment can be implemented in a variety of forms, and it is not understood as limited to
Embodiment set forth herein；On the contrary, these embodiments are provided so that the present invention more comprehensively and completely, and by example embodiment party
The design of formula is comprehensively communicated to those skilled in the art.Identical reference numeral indicates same or similar knot in figure
Structure, thus repetition thereof will be omitted.The word of expression position and direction described in the present invention, is to be with attached drawing
The explanation that example carries out, but can also make a change as needed, done change is all contained in the scope of the present invention.The present invention
Attached drawing be only used for signal relative position relation, the thickness at certain positions uses the plotting mode lavished praise on oneself in order to understand, attached
Thickness in figure does not represent the proportionate relationship of practical thickness.
It should be noted that elaborating detail in the following description in order to fully understand the present invention.But this hair
Bright to be implemented different from other manner described here with a variety of, those skilled in the art can be without prejudice in the present invention
Similar popularization is done in the case of culvert.Therefore the present invention is not limited by following public specific implementation mode.Such as in specification and
Some vocabulary has been used to censure specific components in claim.Those skilled in the art should understand that hardware manufacturer can
The same component can be called with different nouns.This specification and claims are not used as differentiation group with the difference of title
The mode of part, but it is used as the criterion of differentiation with the difference of component functionally.Such as in the whole text, specification and claim are worked as
Mentioned in "comprising" be an open language, therefore should be construed to " including but not limited to ".Specification subsequent descriptions are real
The better embodiment of the application is applied, so the description is being not limited to for the purpose of the rule for illustrating the application
Scope of the present application.The protection domain of the application is when subject to appended claims institute defender.
Fig. 1 is a kind of schematic top plan view of display panel provided in an embodiment of the present invention, and Fig. 2 is display panel edge in Fig. 1
The sectional view of hatching AA present embodiments provides a kind of display panel, and with reference to figure 1 and Fig. 2, which includes：
Substrate 10, including viewing area 110 and non-display area 120；
Organic light-emitting structure 20 is located in the viewing area 110 of substrate 10；
First barricade 30 is located in the non-display area 120 of substrate 10, and surrounds viewing area 110；
Thin-film encapsulation layer 40, thin-film encapsulation layer 40 cover organic light-emitting structure 20；Thin-film encapsulation layer 40 includes organic layer 41,
Organic layer 41 is located in the region that the first barricade 30 surrounds；
Wherein, the first barricade 30 includes the first face 31 and the second face 32 being oppositely arranged, and the first face 31 is the first barricade 30
Face far from viewing area 110, the second face 32 are the face that the first barricade 30 closes on viewing area 110, and the first face 31 is hung down substrate 10
The shape for delivering directly shadow is identical as the shape on the boundary of viewing area 110；First barricade 30 includes first part 33, and the of first part
Two faces 32 have multiple protruding portion in the upright projection of substrate.
Wherein, substrate 10 is the array substrate for driving organic light-emitting structure 20 luminous, and substrate 10 includes viewing area 110 and non-
Viewing area 120, viewing area 110, which corresponds to, has organic light-emitting structure 20, realizes the display of picture, 120 corresponding area of non-display area
Picture is not presented in domain.Array substrate includes substrate, and substrate can be flexible, can be by with any appropriate insulation flexible
Material is formed.Substrate 10 can be transparent, translucent or opaque.
Organic light-emitting structure 20 is formed on the substrate 10, is located in the viewing area 110 of substrate 10, and organic light-emitting structure 20 is logical
Include often anode, luminescent layer and cathode.
Thin-film encapsulation layer 40 is located in organic light-emitting structure 20.Thin-film encapsulation layer 40 protect luminescent layer and other thin layers from
The influence of outside moisture and oxygen etc..Thin-film encapsulation layer 40 may include inorganic layer 42 and organic layer 41, inorganic layer 42 and organic layer
41 are staggeredly stacked.First barricade 30 is set in the non-display area 120 of substrate 10, and surrounds viewing area 110, and the first barricade 30 can
Using the cutoff layer as organic layer 41 in thin-film encapsulation layer 40, covered by the inorganic layer 42 of thin-film encapsulation layer 40, while first gear
Wall 30 can further promote the effect of the barrier water oxygen of display panel, prevent the transmission and extension of inorganic layer crackle.
Specifically, organic layer 41 is formed using InkJet printing processes, solid-state is gradually cured as by liquid, in the curing process
Organic layer 41 has certain mobility.Organic layer 41 is limited in the region that the first barricade 30 surrounds by the first barricade 30, is kept away
Exempt from the sprawling of organic layer 41 and increases the width of non-display area 120.In the curing process, the boundary of sprawling is not organic layer 41
Regular shape, if the shape that boundary is spread in the second face 32 of the first barricade 30 with organic layer 41 differs larger so that organic layer
41 cutoff thickness at the first barricade 30 is different, in fact it could happen that subregion thickness is smaller, i.e., organic layer 41 is relatively thin, Huo Zhehou
Degree is zero, i.e., organic layer 41 lacks, and influences the display effect of display panel.The present embodiment includes the by the way that the first barricade 30 is arranged
Second face 32 of a part 33, first part 33 has multiple protruding portion in the upright projection of substrate so that the first barricade 30
Shape can preferably be connected with the sprawling boundary of organic layer 41 so that cutoff thickness of the organic layer 41 at the first barricade 30 compared with
It is uniform, avoids 41 subregion of organic layer relatively thin or lack, to influence the overall performance of display panel.Due to viewing area
The 110 generally rectangular cross-section equal regular shapes in boundary, by upright projection of first face 31 in substrate 10 that the first barricade 30 is arranged
Shape it is identical as the shape on the boundary of viewing area 110 so that the first face 31 be the relatively simple regular shape of shape face, drop
The low manufacture difficulty of first barricade 30, and the stress that the first face 31 is subject to when display panel is bent is larger, by by first
Face 31 is set as the face of regular shape, can effectively enhance the structural strength in the first face 31, avoid bending when crack and
Display panel is influenced to show.
It should be noted that first part 33 is that the first barricade 30 is corresponding with the region of organic layer 41 easily lacked
Part, first part 33 can be a part for first gear wall 30, or entire first barricade 30, the present embodiment is not done
It is specific to limit, it can specifically be set according to the sprawling boundary of organic layer 41.
Optionally, display panel includes bent area, and first part 33 is at least partially disposed at bent area.
Specifically, the region that bent area, that is, display panel of display panel can deform upon is located at curved when deforming upon
The organic layer 41 of folding area can deform upon, at this time the relatively thin region of organic layer 41 and the region of missing can be peeling-off, from
And larger organic layer 41 occur and lack area, it influences to show.It is at least partially disposed at display panel by setting first part 33
Bent area so that in bent area, the first barricade 30 can preferably be connected with the boundary of organic layer 41, and it is curved to avoid display panel
Organic layer 41, which generates missing, during folding influences display, improves the bending resistance of display panel.
Fig. 3 is the schematic top plan view of another display panel provided in an embodiment of the present invention, and Fig. 4 is that the embodiment of the present invention carries
The schematic top plan view of another display panel supplied.Optionally, with reference to figure 1, Fig. 3 and Fig. 4, the shape on the boundary in 110th area is shown
For rectangle, circular arc rectangle or circle.Specifically, due to the first barricade 30 the first face 31 the upright projection of substrate 10 shape
It is identical as the shape on the boundary of viewing area 110, when it is rectangle, circular arc rectangle or circle to show the shape on boundary in 110th area, the
31 be shape relatively simple plane or cylinder on one side, reduces the manufacture difficulty of the first barricade 30, and display panel is bent
When the first face 31 stress for being subject to it is larger, by setting the first face 31 to plane or cylinder, can effectively enhance first gear
The bending resistance of wall 30, it is entire to crack influence for the first face 31 of the first barricade 30 when effectively display panel being avoided to bend
The performance of first barricade 31, shows to influence display panel.
Optionally, with reference to figure 1 and Fig. 3, when the shape on the boundary of viewing area 110 is rectangle, first part 33 is first gear
The part corresponding with longer two sides of 110 length of side of viewing area of wall 30.
Specifically, since there is longer sprawling boundary in the longer two side organic layers 41 of 110 length of side of viewing area, and
Longer two of 110 length of side of viewing area when being usually display panel bending by folding s tress deform upon while, organic layer 41
It is more easy to occur lacking or relatively thin region in boundary, is the first barricade 30 and 110 side of viewing area by the way that first part 33 is arranged
The corresponding part in longer two sides of length so that the first barricade 30 can preferably be connected with the boundary of organic layer 41, improve aobvious
Show the bending resistance and display performance of panel.
Optionally, with reference to figure 4, the second face 32 of all first barricades 30 has multiple protrusions in the upright projection of substrate 10
Portion.
Specifically, when display panel can be bent to all directions so that each boundary of organic layer 41 may be by
Folding s tress, and larger organic layer 41 occur and lack area, the second face 32 by the way that the first barricade 30 is arranged has multiple protrusions
Portion so that the entire boundary of organic layer 41 can preferably be connected with the first barricade 30, more effectively avoid organic layer 41
Missing.
Fig. 5 is the schematic top plan view of another display panel provided in an embodiment of the present invention, and Fig. 6 is that the embodiment of the present invention carries
The schematic top plan view of another display panel supplied.Optionally, with reference to figure 1 and Fig. 3-Fig. 6, the shape of protruding portion is triangle
Shape, trapezoidal, pentagon, waveform or semicircle.
Specifically, the shape in the second face 32 of the first barricade 30 can be set according to the boundary shape of organic layer 41,
Shape by the way that protruding portion is arranged is triangle, trapezoidal, pentagon, waveform or semicircle so that the second of the first barricade 30
Face 32 can preferably adapt to the organic layer 41 on different sprawling boundaries, can preferably be connected with the boundary of organic layer 41, improve
The display performance and bending resistance of display panel.
It should be noted that the spacing between multiple protruding portion can be zero, it can also be not zero, in same first barricade
It can also include the protruding portion of various shapes, the shape of protruding portion may be the combined shaped of above-mentioned various shapes, this implementation
Example is simultaneously not specifically limited, and can specifically be set according to the boundary shape of organic layer.
Preferably, the second face 32 of the first barricade 30 is waveform in the upright projection of substrate 10.Existing organic layer 41
Generally use inkjet printing technology is formed, and the second face 32 of the first barricade 30 is waveform in the upright projection of substrate 10, can be with
Preferably it is connected with the sprawling boundary of organic layer 41, improves the display performance and bending resistance of display panel.
Optionally, with reference to figure 6, protruding portion has a first size s1 along the extending direction of the first barricade 30, protruding portion along with
The direction that the extending direction of first barricade 30 is vertical has the second size s2, wherein s1 >=s2.
It, can be in this way, so that the shape in the second face 32 of the first barricade 30 more meets the boundary shape of organic layer 41
Preferably it is connected with the boundary of organic layer, improves the display performance and bending resistance of display panel.
Optionally, with reference to figure 6, full-size of first barricade 30 along the direction vertical with 30 extending direction of the first barricade is
S, s2≤S/2.
Specifically, full-size S is the first barricade 30 edge side vertical with 30 extending direction of the first barricade at protruding portion
To size.Region between adjacent two protruding portion is groove area, is extended along with the first barricade 30 in first barricade of groove area
The size in the vertical direction in direction is s3, S=s2+s3, when the second size s2 is excessive, size of first barricade 30 in groove area
S3 is too small, can not ensure the structural strength of the first barricade 30, by the way that s2≤S/2 is arranged, is ensureing that it is smaller that the first barricade 30 has
While width, it ensure that the first barricade has higher structural strength, and can preferably be connected with the boundary of organic layer 41,
Improve the bending resistance and display performance of display panel.
Optionally, the value range of S is 7-25 μm.
Specifically, when S is excessive, it is unfavorable for reducing the border width of display panel, when S is smaller, 30 structure of the first barricade is strong
It spends relatively low, can not realize the effect of blocking organic layer 41 well, be 7-25 μm by the way that S is arranged, ensureing that display panel has
While smaller border width, it can preferably stop organic layer 41, improve the structural strength of panel.
Fig. 7 is the sectional view of another display panel provided in an embodiment of the present invention, optionally, with reference to figure 7, thin-film package
Layer 40 includes the first inorganic layer 421, the first organic layer 411 and the second inorganic layer 422 being cascading；First inorganic layer
421 are located at the side that the first organic layer 411 closes on substrate 10.
Specifically, the first inorganic layer 421 and the second inorganic layer 422 are mainly used for that steam and oxygen is prevented to enter display panel
Inside corrosion organic light-emitting structure 20, the first organic layer 411 mainly works as a buffer, for reducing the first inorganic layer 421 and the
Stress between two inorganic layers 422.Thin-film encapsulation layer 40 includes the first inorganic layer 421, the first organic layer 411 and the second inorganic layer
On the one hand 422 trilamellar membrane layers can ensure that steam and oxygen is prevented to enter inside display panel, on the other hand so that thin-film package
Layer 40 has smaller thickness, meets the lightening development trend of display panel.
Optionally, the minimum thickness of the first organic layer 411 is d1, and the first face of the barricade 30 far from substrate 10 is organic to first
The distance that layer 411 closes on the face of substrate 10 is d2,2/3≤d1/d2<1.
In this way, the first barricade 30 is allow preferably to stop the first organic layer while with smaller height
411, meet the lightening development trend of display panel.Wherein, the minimum thickness of the first organic layer 411 is the first organic layer
411 and 30 joining place of the first barricade thickness.
Optionally, d1 >=2 μm.In this way, the first organic layer 411 can coat 2um particles below, have preferable
Particles coat can meet the dust free room index of general high-cleanness, high.
Optionally, d1=2 μm, d2=3 μm.In this way, so that the first barricade 30 is while with smaller height
It can preferably stop the first organic layer 411, meet the lightening development trend of display panel.And setting first has in this way
Machine floor 411 is not too large in the sprawling area of non-display area, can effectively reduce the border width of display panel, it is narrow to meet display panel
The development trend of frame.
Fig. 8 is the schematic top plan view of another display panel provided in an embodiment of the present invention.Optionally, with reference to figure 8, display
Panel further includes the second barricade 50, and the second barricade 50 is set to the first side of the barricade 30 far from viewing area 110, the second barricade 50
Around the first barricade 30；Thin-film encapsulation layer 40 is located in the region that the second barricade 50 surrounds.
Second barricade 50 includes the third face 51 being oppositely arranged and fourth face 52, and third face 51 is the second barricade 50 far from aobvious
Show that the face in area 110, fourth face 52 are the face that the second barricade 50 closes on viewing area 110, third face 51 and fourth face 52 are in substrate 10
Upright projection shape it is identical as the shape on the boundary of viewing area 110.
Specifically, the second barricade 50 is used for the inorganic layer of block film encapsulated layer 40, and it is used to support and makes inorganic layer institute
Mask plate.Since the second barricade 50 is closer to the outer boundary of display panel, when display panel is bent the second barricade 50 by
Stress it is larger, it is identical as the shape on the boundary of viewing area 110 by being disposed as in third face 51 and fourth face 54, that is, be
More smooth plane or cylinder so that the second barricade 50 is less prone to crackle, improves under larger folding s tress effect
The bending resistance of display panel.
Fig. 9 is the schematic top plan view of another display panel provided in an embodiment of the present invention, and Figure 10 is display panel in Fig. 9
Along the sectional view of hatching BB.Optionally, with reference to figure 9 and Figure 10, display panel further includes protective layer 60, and protective layer 60 is set to
Second side of the barricade 50 far from viewing area 110, and surround viewing area 110, fiveth face 61 He of the protective layer 60 far from viewing area
The 6th face 62 for closing on viewing area is identical as the shape on the boundary of viewing area 110 in the upright projection of substrate 10.
Specifically, when display panel by the effect of the power such as folding force due to being cracked, protective layer 60 is for preventing
Crackle is spread to the direction of viewing area 110.Since protective layer 60 is closer to the outer boundary of display panel, by by 61 He of the 5th face
6th face 62 is disposed as identical as the shape on the boundary of viewing area 110, that is, is more smooth plane or cylinder so that protect
Sheath 60 is less prone to crackle, preferably crackle can be prevented to spread, improve display surface under larger folding s tress effect
The bending resistance of plate.
In addition, with reference to figure 10, substrate 10 includes underlay substrate 11 and the thin film transistor (TFT) on underlay substrate 11
(Thin-Film Transistor, TFT) 12.Substrate 10 further includes the passivation layer 13 being located on TFT12 and planarization layer 14, is put down
Smoothization layer 14 is located at side of the passivation layer 13 far from TFT12.Passivation layer 13 can be by the inorganic layer shape of silicon oxide or silicon nitride etc.
It is formed at or by organic layer.Planarization layer 14 includes the organic of acryl, polyimides (PI) or benzocyclobutene (BCB) etc.
Layer.
Organic light-emitting structure 20 includes first electrode 21, luminescent layer 22 and second electrode 23, and first electrode 21 can be sun
Pole, second electrode 23 can be cathode.Display panel further includes pixel confining layer 70, is located on substrate 10 and covers first electrode 21
Edge.In one embodiment, the transmitting of each sub-pixel is limited around the pixel confining layer 70 at the edge of first electrode 21
Region.Pixel confining layer 70 can be by such as polyimides (PI), polyamide, benzocyclobutene (BCB), acryl resin or phenol
The organic material of urea formaldehyde etc. is formed.
First barricade 30 and the second barricade 50 can be set on passivation layer 13, by pixel defining layer 70, planarization layer 14
It is formed with the equal stacked dielectric layers of support column 80.Wherein, support column 80 are used to support mask plate when making thin-film encapsulation layer.It protects
Sheath 60 is set on underlay substrate 11, and the formation such as inorganic material may be used, and the present embodiment is simultaneously not specifically limited.It needs
It is bright, thin-film encapsulation layer is not showed that in Figure 10, not limitation of the invention.
Figure 11 is a kind of schematic diagram of display device provided in an embodiment of the present invention, with reference to figure 11,100 hairs of display device
Display panel 200 described in bright any embodiment.Display device 100 can be that the electronics of such as mobile phone, tablet computer etc is set
It is standby.
Note that 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 present invention is not limited to specific embodiments described here, can carry out for a person skilled in the art it is various it is apparent variation,
It readjusts, be combined with each other and substitutes without departing from protection scope of the present invention.Therefore, although by above example to this
Invention is described in further detail, but the present invention is not limited only to above example, is not departing from present inventive concept
In the case of, can also include other more equivalent embodiments, and the scope of the present invention is determined by scope of the appended claims.
Claims (15)
1. a kind of display panel, which is characterized in that including：
Substrate, including viewing area and non-display area；
Organic light-emitting structure is located in the viewing area of the substrate；
First barricade is located in the non-display area of the substrate, and surrounds the viewing area；
Thin-film encapsulation layer, the thin-film encapsulation layer cover the organic light-emitting structure；The thin-film encapsulation layer includes organic layer, institute
State organic layer be located at the first gear walled around region in；
Wherein, first barricade includes the first face and the second face being oppositely arranged, and first face is that first barricade is remote
Face from the viewing area, second face are the face that first barricade closes on the viewing area, and first face is described
The shape of the upright projection of substrate is identical as the shape on the boundary of the viewing area；First barricade includes first part, institute
The second face for stating first part has multiple protruding portion in the upright projection of the substrate.
2. display panel according to claim 1, it is characterised in that：
The display panel includes bent area, and the first part is at least partially disposed at the bent area.
3. display panel according to claim 1, it is characterised in that：
The shape on the boundary of the viewing area is rectangle, circular arc rectangle or circle.
4. display panel according to claim 3, it is characterised in that：
When the shape on the boundary of the viewing area is rectangle, the first part is first barricade and the viewing area length of side
The corresponding part in longer two sides.
5. display panel according to claim 3, it is characterised in that：
Second face of all first barricades has multiple protruding portion in the upright projection of the substrate.
6. display panel according to claim 1, it is characterised in that：
The shape of the protruding portion is triangle, trapezoidal, pentagon, waveform or semicircle.
7. display panel according to claim 1, it is characterised in that：
The protruding portion has first size s1, the protruding portion edge and the first gear along the extending direction of first barricade
The direction that the extending direction of wall is vertical has the second size s2, wherein s1 >=s2.
8. display panel according to claim 1, it is characterised in that：
Full-size of first barricade along the direction vertical with the extending direction of the first barricade is S, s2≤S/2.
9. display panel according to claim 8, it is characterised in that：
The value range of S is 7-25 μm.
10. display panel according to claim 1, it is characterised in that：
The thin-film encapsulation layer includes the first inorganic layer, the first organic layer and the second inorganic layer being cascading；
First inorganic layer is located at the side that first organic layer closes on the substrate.
11. display panel according to claim 10, it is characterised in that:
The minimum thickness of first organic layer is d1, the face of first barricade far from the substrate to first organic layer
The distance for closing on the face of the substrate is d2,2/3≤d1/d2<1.
12. display panel according to claim 11, which is characterized in that d1 >=2 μm.
13. display panel according to claim 12, which is characterized in that d1=2 μm, d2=3 μm.
14. display panel according to claim 1, which is characterized in that further include：
Second barricade, second barricade are set to the side of first barricade far from the viewing area, second barricade
Around first barricade；The thin-film encapsulation layer be located at the second gear walled around region in；
Second barricade includes the third face being oppositely arranged and fourth face, and the third face is second barricade far from described
The face of viewing area, the fourth face are the face that second barricade closes on the viewing area, the third face and the fourth face
It is identical as the shape on the boundary of the viewing area in the shape of the upright projection of the substrate.
15. a kind of display device, which is characterized in that including claim 1-14 any one of them display panels.
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| CN201810541614.9A CN108777266B (en) | 2018-05-30 | 2018-05-30 | Display panel and display device |
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| CN201810541614.9A CN108777266B (en) | 2018-05-30 | 2018-05-30 | Display panel and display device |
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| CN108777266A true CN108777266A (en) | 2018-11-09 |
| CN108777266B CN108777266B (en) | 2020-04-24 |
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| CN110190102A (en) * | 2019-05-29 | 2019-08-30 | 武汉华星光电半导体显示技术有限公司 | A kind of folding display panel and preparation method thereof |
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| CN109346487A (en) * | 2018-11-28 | 2019-02-15 | 昆山国显光电有限公司 | The production method of display panel, display device and display panel |
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| CN113193137B (en) * | 2021-04-07 | 2022-05-31 | 深圳市华星光电半导体显示技术有限公司 | Display panel and manufacturing method of packaging structure of display panel |
| CN113193137A (en) * | 2021-04-07 | 2021-07-30 | 深圳市华星光电半导体显示技术有限公司 | Display panel and manufacturing method of packaging structure of display panel |
| CN113838998A (en) * | 2021-09-24 | 2021-12-24 | 京东方科技集团股份有限公司 | Array substrate, preparation method thereof and display device |
| CN114613921A (en) * | 2022-03-01 | 2022-06-10 | 深圳市华星光电半导体显示技术有限公司 | Display panel and mobile terminal |
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