CN109411622A - Flexible display panels and flexible display apparatus - Google Patents
Flexible display panels and flexible display apparatus Download PDFInfo
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- CN109411622A CN109411622A CN201811151680.1A CN201811151680A CN109411622A CN 109411622 A CN109411622 A CN 109411622A CN 201811151680 A CN201811151680 A CN 201811151680A CN 109411622 A CN109411622 A CN 109411622A
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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
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/301—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements flexible foldable or roll-able electronic displays, e.g. thin LCD, OLED
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/80—Constructional details
- H10K50/84—Passivation; Containers; Encapsulations
- H10K50/844—Encapsulations
Abstract
The present invention provides a kind of flexible display panels and flexible display apparatus, and flexible display panels include array substrate and multiple luminescence units, and the thin-film encapsulation layer of the multiple luminescence units of covering；The direction perpendicular to array substrate is provided at least one groove between two adjacent luminescence units, at least partly side of groove is overlapped with the side of luminescence unit；The side for the luminescence unit being overlapped with the side of groove is provided at least one first lug boss；Insulated connecting piece is filled in groove, the both ends of insulated connecting piece are connect with array substrate and thin-film encapsulation layer respectively, and insulated connecting piece is formed with first recessed portion chimeric with the first lug boss.Using the above scheme, it for improving the binding force in flexible display panels between each functional film layer, has been reduced or avoided between each functional film layer of flexible display panels in the process of bending and the case where removing or separating has occurred.
Description
Technical field
The present invention relates to field of display technology more particularly to a kind of flexible display panels and flexible display apparatus.
Background technique
Organic Light Emitting Diode (Organic Light Emitting Diode, abbreviation OLED) is sent out as a kind of current mode
Optical device, it is more and more because it with self-luminous, quick response, wide viewing angle and the various features such as can be produced on flexible base board
Ground is applied to high-performance display field, in flexible display panels.
Existing flexible display panels generally include array substrate, and multiple luminescence units are provided in array substrate, and
The thin-film encapsulation layer of multiple luminescence units is covered, however, after flexible display panels are repeatedly bent, it is adjacent in flexible display panels
Two layers of functional film layer between be easy to appear removing or separation the phenomenon that, influence the normal use of flexible display panels.
Summary of the invention
The embodiment of the present invention provides a kind of flexible display panels and flexible display apparatus, to solve existing Flexible Displays
The problem of removing or separation are easy to happen in panel and flexible display apparatus between two layers adjacent of functional film layer.
To achieve the goals above, the embodiment of the present invention provides the following technical solutions:
On the one hand, the embodiment of the present invention provides a kind of flexible display panels, comprising: array substrate is arranged in the battle array
Multiple luminescence units on column substrate, and the thin-film encapsulation layer of the multiple luminescence unit of covering；
Along the direction perpendicular to the array substrate, to be provided at least one recessed between two adjacent luminescence units
At least partly side of slot, the groove is overlapped with the side of the luminescence unit；Described in being overlapped with the side of the groove
The side of luminescence unit is provided at least one first lug boss；
Be filled with insulated connecting piece in the groove, the both ends of the insulated connecting piece respectively with the array substrate and institute
Thin-film encapsulation layer connection is stated, and the insulated connecting piece is formed with first recessed portion chimeric with first lug boss.
Compared with prior art, flexible display panels provided in an embodiment of the present invention have the advantages that
In flexible display panels provided in an embodiment of the present invention, since groove is arranged between luminescence unit, insulation connection
Part is filled in a groove, and the both ends of insulated connecting piece are connect with array substrate and thin-film encapsulation layer respectively, therefore, array base
It between plate, luminescence unit and thin-film encapsulation layer, is not only attached to each other by Van der Waals force, is also connected by insulated connecting piece, from
And the binding force in flexible display panels between each functional film layer is improved, Flexible Displays face in the process of bending is reduced or avoided
There is the case where removing or separating between each functional film layer of plate.
Further, since the side of luminescence unit is overlapped with the side of groove, and the side of luminescence unit is provided with first
Lug boss, therefore, when into groove, fill insulant forms insulated connecting piece, insulated connecting piece inside is formed and first is convex
The first chimeric recessed portion of the portion of rising, is designed in this way, not only increases the side of each functional film layer of insulated connecting piece and luminescence unit
Contact area between face improves the binding force between each functional film layer of luminescence unit, furthermore with mutually chimeric the
One lug boss and the first concave part make to generate bite force between each functional film layer of luminescence unit and insulated connecting piece, thus into
One step improves the binding force between each functional film layer of luminescence unit, and then luminescence unit in the process of bending is reduced or avoided
Each functional film layer between there is the case where removing or separating, improve the service life of flexible display panels.
As a kind of improvement of flexible display panels of the present invention, each luminescence unit includes being stacked in the battle array
Multiple first functional film layers on column substrate；
First lug boss is formed in the side of at least one first functional film layer.
Flexible display panels as described above, multiple first functional film layers are anode layer, hole injection layer, hole biography
Defeated layer, pixel layer, electron transfer layer, electron injecting layer and cathode layer；Or
Cathode layer, electron injecting layer, electron transfer layer, pixel layer, hole transmission layer, hole injection layer and anode layer.
First protrusion as the further improvement of flexible display panels of the present invention, on each luminescence unit
The quantity in portion has multiple, and multiple first lug bosses are intervally arranged along the direction perpendicular to the array substrate.
As a kind of improvement of flexible display panels of the present invention, two opposite sides of the groove respectively with the groove phase
The side of two adjacent luminescence units is overlapped, and the insulated connecting piece is lighttight insulated connecting piece.
As the another kind improvement of flexible display panels of the present invention, the surface of the groove and positioned at the groove surrounding
Luminescence unit side be overlapped, the insulated connecting piece be lighttight insulated connecting piece.
As a kind of improvement of flexible display panels of the present invention, the quantity of the groove be it is multiple, multiple grooves are in
Array-like distribution, and the groove is each provided between every two adjacent luminescence units.
As the further improvement of flexible display panels of the present invention, the array substrate includes underlay substrate, and stacking
At least one second functional film layer on underlay substrate is set, at least one described second functional film layer includes buffer layer, grid
Pole layer, gate insulating layer, active layer, interlayer insulating film, source-drain electrode layer and flatness layer；
The groove extends to the underlay substrate, and the side of the groove is provided at least one recessed described second function
The second recessed portion in energy film layer；
The insulated connecting piece extends to the underlay substrate, and the insulated connecting piece is provided with and second recessed portion
The second chimeric lug boss.
As the further improvement of flexible display panels of the present invention, the thin-film encapsulation layer includes stacking multiple envelopes of setting
Fill unit；
The groove upwardly extends and runs through the thin-film encapsulation layer, the side of the groove be provided with it is recessed at least one
The third recessed portion of the encapsulation unit；
The insulated connecting piece upwardly extends and runs through the thin-film encapsulation layer, the insulated connecting piece be provided with it is described
The third protrusion portion of third concave part.
On the other hand, the embodiment of the invention also provides a kind of flexible display apparatus, which includes as above
The flexible display panels, therefore flexible display apparatus provided in an embodiment of the present invention has the excellent of above-mentioned flexible display panels
Point, details are not described herein.
In addition to it is described above present invention solves the technical problem that, constitute technical solution technical characteristic and by these
Outside beneficial effect brought by the technical characteristic of technical solution, flexible display panels provided in an embodiment of the present invention and Flexible Displays
The other technical characteristics and these technical characteristics for including in other technologies problem that device is able to solve, technical solution are brought
Beneficial effect, further details of explanation will be made in a specific embodiment.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, the present invention will be implemented below
Example or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is only a part of the embodiments of the present invention, these attached drawings and verbal description are not intended to limit disclosure structure in any manner
The range of think of, but the concept of the present disclosure is explained for those skilled in the art by referring to specific embodiments, it is general for this field
For logical technical staff, without creative efforts, it can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is the structural schematic diagram for the flexible display panels that the embodiment of the present invention one provides；
Fig. 2 is the structural schematic diagram one for the flexible display panels that the embodiment of the present invention one removes insulated connecting piece；
Fig. 3 is the structural schematic diagram for the flexible display panels that Fig. 2 is filled after insulated connecting piece；
Fig. 4 is the top view one of the flexible display panels for the removal thin-film encapsulation layer that the embodiment of the present invention one provides；
Fig. 5 is the top view two of the flexible display panels for the removal thin-film encapsulation layer that the embodiment of the present invention one provides；
Fig. 6 is the top view three of the flexible display panels for the removal thin-film encapsulation layer that the embodiment of the present invention one provides；
Fig. 7 is the structural schematic diagram two for the flexible display panels that the embodiment of the present invention one removes insulated connecting piece；
Fig. 8 is the structural schematic diagram for the flexible display panels that Fig. 7 is filled after insulated connecting piece；
Fig. 9 is the structural schematic diagram three for the flexible display panels that the embodiment of the present invention one removes insulated connecting piece；
Figure 10 is the structural schematic diagram four for the flexible display panels that the embodiment of the present invention one removes insulated connecting piece；
Figure 11 is the structural schematic diagram for the array substrate that the embodiment of the present invention one provides.
Description of symbols:
10- array substrate；11- underlay substrate；
12- buffer layer；13- grid layer；
14- gate insulating layer；15- active layer；
16- interlayer insulating film；17- source-drain electrode layer；
18- flatness layer；20- pixel confining layer；
30- luminescence unit；31- anode layer；
32- hole injection layer；33- hole transmission layer；
34- electronic barrier layer；35- pixel layer；
36- hole blocking layer；37- electron transfer layer；
38- electron injecting layer；39- cathode layer；
40- groove；50- insulated connecting piece；
The first lug boss of 61-；The first recessed portion of 62-；
The second lug boss of 63-；The second recessed portion of 64-；
65- third protrusion portion；66- third recessed portion；
70- thin-film encapsulation layer；71- encapsulation unit.
Specific embodiment
In flexible display panels, due to the physics between the functional film layers such as thin-film encapsulation layer, luminescence unit, array substrate
The difference of ductility, elasticity and internal stress feature causes flexible display panels after multiple bending, is easy to appear adjacent function
The phenomenon that energy film layer removing, influence the normal use of flexible display panels.
In view of the foregoing drawbacks, the embodiment of the invention provides a kind of improved technical solutions, in the technical scheme, setting
Groove between two adjacent luminescence units and the insulated connecting piece being filled in groove, and insulated connecting piece
Both ends are connect with thin-film encapsulation layer and array substrate respectively, can enhance thin-film package in flexible display panels using insulated connecting piece
Binding force between layer, luminescence unit and array substrate；In addition, the surface of groove is overlapped with the side of luminescence unit, hair
The side that light unit is overlapped with the side of groove is provided with the first lug boss, is filled in insulated connecting piece in groove and the
One lug boss is chimeric, by the fitting connection between the first lug boss and the first recessed portion, makes each first function of luminescence unit
Bite force is generated between film layer and insulated connecting piece, to improve the connection between each first functional film layer of luminescence unit
Power is further reduced or avoids to occur between each first functional film layer of luminescence unit in the process of bending to remove or separate
Problem improves the service life of flexible display panels.
In order to keep the above objects, features, and advantages of the embodiment of the present invention more obvious and easy to understand, below in conjunction with this
Attached drawing in inventive embodiments, technical scheme in the embodiment of the invention is clearly and completely described.Obviously, described
Embodiment be only a part of the embodiments of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, originally
Field those of ordinary skill all other embodiment obtained without creative labor, belongs to this hair
The range of bright protection.
As shown in Figure 1, Figure 2 and Figure 3, flexible display panels provided in an embodiment of the present invention include array substrate 10, setting
Multiple luminescence units 30 in array substrate 10, and the thin-film encapsulation layer 70 of the multiple luminescence units 30 of covering；Adjacent two
The direction perpendicular to array substrate 10 is provided at least one groove 40, at least portion of groove 40 between a luminescence unit
Side is divided to be overlapped with the side of luminescence unit 30；The side for the luminescence unit 30 being overlapped with the side of groove 40 is provided at least one
A first lug boss 61；Be filled with insulated connecting piece 50 in groove 40, the both ends of insulated connecting piece 50 respectively with array substrate 10
It is connected with thin-film encapsulation layer 70, and forms first recessed portion 62 chimeric with the first lug boss 61 in insulated connecting piece 50.
In the present embodiment, array substrate 10 is located at the bottom of flexible display panels, for carrying flexible display panels
Other devices, and for controlling the electric current flowed into luminescence unit 30.Multiple luminescence units 30 are arranged in array substrate 10,
And multiple luminescence units 30 are arranged generally in array substrate 10 in array-like.Thin-film encapsulation layer 70 covers multiple luminescence units
30, for preventing water, oxygen from entering luminescence unit 30, improve the service life of flexible display panels.
In a kind of possible mode, insulated connecting piece 50 is provided with multiple and can be used for separating each luminous list
Member 30；In alternatively possible embodiment, flexible display panels provided in this embodiment further include pixel confining layer 20, position
Groove 40 between two adjacent luminescence units 30 runs through pixel confining layer 20, and groove 40 is along perpendicular to array substrate 10
Direction setting.Following implementation is described so that flexible display panels include pixel confining layer 20 as an example.The quantity of groove 40
It can be one, or multiple；The cross sectional shape of groove 40 can for circle, ellipse, rectangle, diamond shape, pentagon or
Hexagon etc. can specifically be selected according to actual needs, be not specifically limited in the present embodiment to the shape of groove 40.Groove 40
The side to coincide with the side of luminescence unit 30 can be one, be also possible to multiple.It is understood that in Flexible Displays
In panel, the height of usual 20 facing arrays substrate 10 of pixel confining layer is typically greater than or equal to 30 facing arrays base of luminescence unit
The height of plate 10, therefore, 40 depth of groove through pixel confining layer 20 are typically greater than or equal to 30 facing arrays of luminescence unit
Therefore the height of substrate 10 after being filled with insulated connecting piece 50 in groove 40, is formed in the first of the side of luminescence unit 30
In the embeddable insulated connecting piece 50 of lug boss 61.
In one possible implementation, as shown in figure 4, pixel confining layer 20 is provided with a groove 40, groove 40
Cross sectional shape be rectangle.By flexible display panels shown in Fig. 4 place orientation for, the left side a of groove 40 be located at should
The right side of the luminescence unit 30 in 40 left side of groove is overlapped, the right side b of groove 40 and the luminous list for being located at 40 right side of groove
The left side of member 30 is overlapped.In alternatively possible implementation, as shown in figure 5, there are two recessed for the setting of pixel confining layer 20
Slot 40, the cross sectional shape of two grooves 40 are rectangle.By taking flexible display panels shown in fig. 5 place orientation as an example, it is located at upper
The left side a of the groove 40 of side is overlapped with the right side for the luminescence unit 30 for being located at 40 left side of groove, the groove being located above
40 right side b is overlapped with the left side for the luminescence unit 30 for being located at 40 right side of groove；The left side of underlying groove 40
Face c is overlapped with the right side for the luminescence unit 30 for being located at 40 left side of the groove, the right side d of underlying groove 40 be located at
The left side of the luminescence unit 30 on 40 right side of groove is overlapped.In alternatively possible implementation, as shown in fig. 6, pixel
Confining layers 20 are provided with a groove 40, and the cross sectional shape of groove 40 is rectangle.With flexible display panels placement side shown in fig. 6
For position, the side a of groove 40 is overlapped with the right side for the luminescence unit 30 for being located at 40 upper left side of groove, the side of groove 40
H is overlapped with the downside of luminescence unit 30 for being located at 40 upper left side of groove, the side b of groove 40 with positioned at 40 upper right of groove
The left side of the luminescence unit 30 of side is overlapped, the side c of groove 40 be located under the luminescence unit 30 of 40 upper right side of groove
Side is overlapped, and the side g of groove 40 is overlapped with the upper side for the luminescence unit 30 for being located at 40 lower left side of groove, the side of groove 40
Face f is overlapped with the right side of luminescence unit 30 for being located at 40 lower left side of groove, the side d of groove 40 be located at 40 right side of groove
The upper side of the luminescence unit 30 of downside is overlapped, the side e of groove 40 and the luminescence unit 30 positioned at 40 lower right side of groove
Left side is overlapped.
In the present embodiment, the side that the side of luminescence unit 30 and groove 40 coincides is provided with the first lug boss 61, the
One lug boss 61 protrudes into groove 40.The quantity of first lug boss 61 can be one, or multiple.A kind of possible
In implementation, as shown in Fig. 2, groove 40 is located between two luminescence units 30, each luminescence unit 30 towards groove 40
Side be provided with first lug boss 61, by taking flexible display panels shown in Fig. 2 place orientation as an example, it is left to be located at groove 40
First lug boss 61, the luminescence unit 30 positioned at 40 right side of groove are provided on the right side of the luminescence unit 30 of side
Left side on be provided with first lug boss 61.In alternatively possible implementation, as shown in fig. 7, groove 40
Between two luminescence units 30, the side towards groove 40 of each luminescence unit 30 is arranged there are two the first lug boss 61,
By taking flexible display panels shown in Fig. 7 place orientation as an example, set on the right side of the luminescence unit 30 of 40 left side of groove
First lug boss 61 there are two setting, there are two the first protrusions for setting on the left side of the luminescence unit 30 of 40 right side of groove
Portion 61.
In the present embodiment, insulated connecting piece 50 is filled in groove 40, and chimeric with the first lug boss 61.Insulated connecting piece
50 material can also be potting glue specifically, can be optical cement for the colloidal materials with viscosity and elasticity.Absolutely
Edge connector 50 can be connected with each first functional film layer of luminescence unit 30, enhance each first functional membrane of luminescence unit 30
Each first functional film layer of flexible display panels luminescence unit 30 in the process of bending has been reduced or avoided in binding force between layer
Between there is the case where removing or separating.In addition, as shown in figure 8, insulating since insulated connecting piece 50 is filled in groove 40
Connector 50 forms first recessed portion 62 mutually chimeric with the first lug boss 61, passes through the first lug boss 61 and the first recessed portion 62
Between fitting connection, make to generate bite force between each first functional film layer of luminescence unit 30 and insulated connecting piece 50, improve
Attachment force between each first functional film layer of luminescence unit 30.
In flexible display panels provided in this embodiment, due to groove 40 be arranged in two adjacent luminescence units 30 it
Between, insulated connecting piece 50 is embedded in groove 40, and the both ends of insulated connecting piece 50 respectively with array substrate 10 and thin-film package
Layer 70 connects, therefore, not only mutually attached by Van der Waals force between array substrate 10, luminescence unit 30 and thin-film encapsulation layer 70
, it is also connected by insulated connecting piece 50, to improve the binding force in flexible display panels between each functional film layer, is reduced
Or avoid the case where removing or separating occur between each functional film layer of flexible display panels in the process of bending.
Further, since the side of luminescence unit 30 is overlapped with the surface of groove 40, and the side of luminescence unit 30
It is provided with the first lug boss 61, therefore, when into groove 40, fill insulant forms insulated connecting piece 50, insulated connecting piece
50 inside form first recessed portion 62 chimeric with the first lug boss 61, are designed in this way, not only increase insulated connecting piece 50 and
Contact area between the side of each first functional film layer of luminescence unit 30 improves each first functional membrane of luminescence unit 30
Binding force between layer makes each of luminescence unit 30 furthermore with mutually chimeric the first lug boss 61 and the first groove 40
Bite force is generated between first functional film layer and insulated connecting piece 50, to further improve each first function of luminescence unit 30
Binding force between energy film layer, and then be reduced or avoided between each first functional film layer of luminescence unit 30 in the process of bending
The case where now removing or separate, improves the service life of flexible display panels, solves in existing flexible display panels
The problem of being easy to happen removing between two layers adjacent of functional film layer.
In flexible display panels, luminescence unit 30 generally comprises multiple to be cascading in array substrate 10
One functional film layer；First lug boss 61 is formed in the side of at least one the first functional film layer.Specifically, with luminescence unit 30
Side is provided with for first lug boss 61, and the first lug boss 61 can be formed in first functional film layer, can also
To be formed in multiple first functional film layers.Multiple first functional film layers are followed successively by anode layer 31, hole injection layer 32, hole biography
Defeated layer 33, pixel layer 35, electron transfer layer 37, electron injecting layer 38 and cathode layer 39；Or, cathode layer 39, electron injecting layer 38,
Electron transfer layer 37, pixel layer 35, hole transmission layer 33, hole injection layer 32 and anode layer 31.It is understood that it is single to shine
Member 30 can also include hole blocking layer 36 and electronic barrier layer 34, as shown in Figure 1, hole blocking layer 36 is arranged in electron-transport
Between layer 37 and pixel layer 35, electronic barrier layer 34 is arranged between hole transmission layer 33 and pixel layer 35.
In one possible implementation, the side of multiple first functional film layers, example is arranged in the first lug boss 61
Property, as shown in figure 9,40 left and right side of groove is each provided with first lug boss 61, each formation of first lug boss 61
In the side of anode layer 31, hole injection layer 32, hole transmission layer 33 and pixel layer 35, i.e. the first lug boss 61 is arranged at four
The side of first functional film layer.
In alternatively possible implementation, the side of first functional film layer is arranged in the first lug boss 61, shows
Example property, as shown in Figure 10,40 left and right side of groove is each provided with first lug boss 61, each first lug boss, 61 shape
At in the side of anode layer 31.
The quantity of first lug boss 61 can be set to one or more, and each first lug boss 61 can be formed in one layer
Or the side of the first functional film layer of multilayer, the present embodiment do not do specific limit to the quantity of the first lug boss 61 and the position of formation
It is fixed.
In a preferred embodiment, the quantity of first lug boss 61 has multiple and multiple on each luminescence unit 30
First lug boss 61 is intervally arranged along the direction perpendicular to array substrate 10.Correspondingly, the insulation connection being entrenched in groove 40
It is also equipped on part 50 and one-to-one multiple first recessed portions 62 of multiple first lug bosses 61, multiple first lug boss, 61 Hes
Multiple first recessed portions 62 are intervally arranged along the direction perpendicular to array substrate 10, and the mode of arrangement can be uniform arrangement,
It is also possible to unevenly arrange.Preferably, multiple along the direction perpendicular to array substrate 10 as shown in Figure 1, in the present embodiment
First lug boss 61 is evenly spaced in the side of luminescence unit 30, and the anode layer 31 of luminescence unit 30, hole transmission layer 33, as
The side of plain layer 35, electron transfer layer 37 and cathode layer 39 is each provided with first lug boss 61, and such setting makes to insulate
It is uniformly engaged between connector 50 and above-mentioned each first functional film layer of luminescence unit 30, further improves luminescence unit 30
Attachment force between each first functional film layer.
Further, in a kind of preferred embodiment, two opposite sides of groove 40 are adjacent with the groove 40 respectively
Two luminescence units 30 side be overlapped, insulated connecting piece 50 be lighttight insulated connecting piece 50.Illustratively, such as Fig. 4
Shown, groove 40 is arranged between two adjacent luminescence units 30, the hair of two opposite sides and its two sides of groove 40
The side of light unit 30 coincides, and therefore, insulated connecting piece 50 is applied not only to realize each the first of above-mentioned connection luminescence unit 30
The two luminescence units 30 will be also isolated in the effect of functional film layer, light mixing occur to prevent the two luminescence units 30 from issuing light
Or cross-interference issue.
You need to add is that the material of insulated connecting piece 50 can be identical as the material of pixel confining layer 20, for example insulate
Inorganic material, such as silicon nitride, silicon carbide, silica, or organic polymer, such as polyimides (PI), polytetrafluoroethylene (PTFE).
Further, in another preferred embodiment, the surface of groove 40 be located at 40 surrounding of groove
The side of luminescence unit 30 is overlapped.Specifically, as shown in fig. 6, the position where insulated connecting piece 50 is 40 place of groove
The surface of position, the luminescence unit 30 of the side and its surrounding of groove 40 coincides, i.e., the present embodiment further groove 40 is arranged
Between multiple luminescence units 30.When it is implemented, insulated connecting piece 50 can partially or completely replace pixel confining layer 20, i.e.,
It can be used for separating luminescence unit 30, insulated connecting piece 50 is lighttight insulated connecting piece 50 at this time.It will be exhausted in the present embodiment
Edge connector 50 is arranged between multiple luminescence units 30, the binding force between luminescence unit 30 is enhanced, to improve soft
The service life of property display panel.
In a kind of preferred embodiment, the quantity of groove 40 can be it is multiple, multiple grooves 40 in array-like distribution, and
A groove 40 is each provided between per two adjacent luminescence units 30.It is designed in this way, so that multiple grooves 40 uniformly divide
Cloth is between multiple luminescence units 30, so that insulated connecting piece 50 is also uniformly dispersed between multiple luminescence units 30, so that soft
Property display panel in be located at different zones luminescence unit 30 each first functional film layer between binding force reach unanimity or phase
Together, to prevent from influencing entire flexibility because separation or removing occurs for each first functional film layer of the luminescence unit 30 of regional area
The service life of display panel.Further, since the material of insulated connecting piece 50 is usually the colloidal materials with viscosity and elasticity,
Therefore, that flexible display panels can be absorbed using the multiple insulated connecting pieces 50 being evenly distributed between multiple luminescence units 30 is curved
The stress generated during folding, avoids stress from concentrating, to be further reduced or avoid luminescence unit 30 in the process of bending
Each first functional film layer between there is the case where removing or separating.
Array substrate 10 includes underlay substrate 11, and at least one second function being stacked on underlay substrate 11
Film layer, at least one described second functional film layer include that buffer layer 12, grid layer 13, gate insulating layer 14, active layer, interlayer are exhausted
Edge layer, source-drain electrode layer and flatness layer；Groove 40 extends to underlay substrate 11.Specifically, as shown in figure 11, with battle array shown in Figure 11
For column substrate 10 places orientation, buffer layer 12, grid layer 13, gate insulating layer 14, active layer 15, interlayer insulating film 16, source
Drain electrode layer 17 and flatness layer 18 must be cascading on underlay substrate 11 from bottom to top.The present embodiment further groove 40 is from flat
Layer 18 extends downwardly, and runs through source-drain electrode layer 17, interlayer insulating film 16, active layer 15, gate insulating layer 14, grid layer with this
13, buffer layer 12, until underlay substrate 11, correspondingly, the insulated connecting piece 50 being filled in groove 40 also extends to substrate base
Plate 11, and connect with underlay substrate 11.In the present embodiment, the setting that insulated connecting piece 50 extends into array substrate 10 enhances battle array
In column substrate 10 between the binding force and array substrate 10 and luminescence unit 30, pixel confining layer 20 of each second functional film layer
Binding force.
The side of groove 40 is provided at least one second functional film layer between recessed underlay substrate 11 and flatness layer 18
The second interior recessed portion 64；Insulated connecting piece 50 extends to underlay substrate 11, and insulated connecting piece 50 is provided with and the second recessed portion
64 the second chimeric lug bosses 63.Specifically, the side of groove 40 is provided with the second recessed portion 64, correspondingly, insulated connecting piece
Second lug boss 63 chimeric with the second recessed portion 64 is provided on 50, the quantity of the second recessed portion 64 can be one, can also
Think it is multiple, correspondingly, the quantity of the second lug boss 63 can be one, or it is multiple.In a kind of possible realization side
In formula, as shown in figure 11, one is respectively arranged on buffer layer 12, gate insulating layer 14, interlayer insulating film 16 and flatness layer 18
Second lug boss 63.The setting of second recessed portion 64 and the second lug boss 63 further enhances each second function in array substrate 10
The binding force of energy film layer.
Thin-film encapsulation layer 70 includes the multiple encapsulation units 71 for stacking setting；Groove 40 upwardly extends and through thin-film package
Layer 70.Specifically, as shown in Figure 1, when the material of insulated connecting piece 50 is same or similar with the material of thin-film encapsulation layer 70, this
Embodiment further groove 40 can run through thin-film encapsulation layer 70, that is, the top of thin-film encapsulation layer 70 be extended to, correspondingly, being filled in recessed
Insulated connecting piece 50 in slot 40 also extends to the top of thin-film encapsulation layer 70, through each encapsulation unit of thin-film encapsulation layer 70
71 and it is connected with each encapsulation unit 71 of thin-film encapsulation layer 70.In another embodiment, it is filled in groove 40
Insulated connecting piece 50 extends to the bottom of the encapsulation unit 71 positioned at top, and each encapsulation unit 71 with thin-film encapsulation layer 70
It is connected.In the present embodiment, the setting that insulated connecting piece 50 extends into thin-film encapsulation layer 70 enhances each in thin-film encapsulation layer 70
Binding force between the binding force and thin-film encapsulation layer 70 and luminescence unit 30, pixel confining layer 20 of second functional film layer.
The side of groove 40 is provided with the third recessed portion 66 of at least one recessed encapsulation unit 71；Insulated connecting piece 50 to
On extend through thin-film encapsulation layer 70, insulated connecting piece 50 is provided with the third protrusion portion 65 chimeric with third recessed portion 66.
In one possible implementation, as shown in Figure 1, by taking flexible display panels shown in FIG. 1 place orientation as an example, groove 40 is right
The thin-film encapsulation layer 70 of side includes three encapsulation units 71, and the left side for being located in the middle encapsulation unit 71 is provided with third protrusion
Portion 65.The setting in third recessed portion 66 and third protrusion portion 65 further enhances each second functional film layer in thin-film encapsulation layer 70
Binding force.
The groove 40 and insulated connecting piece 50 being formed in pixel confining layer 20 in above-described embodiment can use as follows
Mode makes；
For making insulated connecting piece 50 in luminescence unit 30, in a kind of possible implementation, first using painting
Cloth-solidification method, ink-jet printing or sedimentation form lighttight insulating layer in array substrate 10, then to the insulating layer
Gluing, exposure mask, exposure, development and etching are carried out, to form the pixel confining layer 20 for including multiple pixel regions；Then in pixel region
Interior formation anode layer 31 and hole injection layer 32, next in anode layer 31 and hole injection layer 32 by laser boring,
The methods of etching forms groove 40 and protrudes into the first lug boss 61 in groove 40, later, by the way of inkjet printing to
Fill insulant in groove 40；Then hole transmission layer 33 and electronic barrier layer 34 are formed above hole injection layer 32, are connect
Get off and groove 40 is formed by the methods of laser boring, etching in hole transmission layer 33 and electronic barrier layer 34 and is protruded into recessed
The first lug boss 61 in slot 40, later, the fill insulant into groove 40；Then picture is formed above electronic barrier layer 34
Next plain layer 35 and hole blocking layer 36 pass through the methods of laser boring, etching in pixel layer 35 and hole blocking layer 36
It forms groove 40 and protrudes into the first lug boss 61 in groove 40, later, the fill insulant into groove 40；Then in sky
Electron transfer layer 37 and electron injecting layer 38 are formed above cave barrier layer 36, next in electron transfer layer 37 and electron injecting layer
Groove 40 is formed by the methods of laser boring, etching in 38 and protrudes into the first lug boss 61 in groove 40, later, to recessed
Fill insulant in slot 40；So as to form the insulated connecting piece 50 being embedded in groove 40, and the insulated connecting piece 50 and
One lug boss 61 is chimeric.
Embodiment two
Second embodiment of the present invention provides a kind of flexible display apparatus, flexible display apparatus provided in this embodiment includes real
Apply the flexible display panels of the offer of example one, wherein structure, function and the realization of display panel can refer to the tool in above-described embodiment
Body description, details are not described herein again.Flexible display apparatus provided in this embodiment further includes the resistance being arranged in flexible display panels
Diaphragm, touch screen, polaroid, cover board and be used for optical cement.Flexible display apparatus provided in this embodiment can be aobvious for OLED
Show device and the TV including OLED display device, digital camera, mobile phone, tablet computer, smartwatch, e-book, navigation
Any product having a display function such as instrument or component.
In the description of this specification, reference term " embodiment ", " some embodiments ", " schematically implementation
The description of mode ", " example ", " specific example " or " some examples " etc. means embodiment or example is combined to describe specific
Feature, structure, material or feature are contained at least one embodiment or example of the invention.In the present specification, right
The schematic representation of above-mentioned term is not necessarily referring to identical embodiment or example.Moreover, the specific features of description, knot
Structure, material or feature can be combined in any suitable manner in any one or more embodiments or example.
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 (10)
1. a kind of flexible display panels characterized by comprising multiple hairs in the array substrate are arranged in array substrate
Light unit, and the thin-film encapsulation layer of the multiple luminescence unit of covering；
The direction perpendicular to the array substrate is provided at least one groove between two adjacent luminescence units, it is described recessed
At least partly side of slot is overlapped with the side of the luminescence unit；The luminescence unit being overlapped with the side of the groove
Side is provided at least one first lug boss；
Be filled with insulated connecting piece in the groove, the both ends of the insulated connecting piece respectively with the array substrate and described thin
The connection of film encapsulated layer, and the insulated connecting piece is formed with first recessed portion chimeric with first lug boss.
2. flexible display panels according to claim 1, which is characterized in that each luminescence unit includes being stacked in institute
State multiple first functional film layers in array substrate；
First lug boss is formed in the side of at least one first functional film layer.
3. flexible display apparatus according to claim 2, which is characterized in that multiple first functional film layers are anode
Layer, hole injection layer, hole transmission layer, pixel layer, electron transfer layer, electron injecting layer and cathode layer；Or
Cathode layer, electron injecting layer, electron transfer layer, pixel layer, hole transmission layer, hole injection layer and anode layer.
4. flexible display panels according to claim 1, which is characterized in that first protrusion on the luminescence unit
The quantity in portion has multiple, and multiple first lug bosses are intervally arranged along the direction perpendicular to the array substrate.
5. flexible display panels according to claim 1, which is characterized in that two opposite sides of the groove respectively with
The side of two adjacent luminescence units of the groove is overlapped, and the insulated connecting piece is lighttight insulated connecting piece.
6. flexible display panels according to claim 1, which is characterized in that the surface of the groove be located at that this is recessed
The side of the luminescence unit of slot surrounding is overlapped, and the insulated connecting piece is lighttight insulated connecting piece.
7. flexible display panels according to claim 1, which is characterized in that the quantity of the groove is multiple, Duo Gesuo
It states groove to be distributed in array-like, and is each provided with the groove between every two adjacent luminescence units.
8. flexible display panels according to claim 1, which is characterized in that the array substrate includes underlay substrate, with
And it is stacked at least one second functional film layer on underlay substrate, at least one described second functional film layer includes buffering
Layer, grid layer, gate insulating layer, active layer, interlayer insulating film, source-drain electrode layer and flatness layer；
The groove extends to the underlay substrate, and the side of the groove is provided at least one recessed described second functional membrane
The second recessed portion in layer；
The insulated connecting piece extends to the underlay substrate, and the insulated connecting piece is provided with and second concave part
The second lug boss.
9. flexible display panels according to claim 8, which is characterized in that the thin-film encapsulation layer includes stacking setting
Multiple encapsulation units；
The groove upwardly extends and runs through the thin-film encapsulation layer, and the side of the groove is provided with recessed described at least one
The third recessed portion of encapsulation unit；
The insulated connecting piece upwardly extends and runs through the thin-film encapsulation layer, and the insulated connecting piece is provided with and the third
The third protrusion portion of concave part.
10. a kind of flexible display apparatus, which is characterized in that including such as described in any item flexible display panels of claim 1-9.
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| CN115206193A (en) * | 2022-07-28 | 2022-10-18 | 维沃移动通信有限公司 | Flexible display screen and electronic equipment |
| CN117202692A (en) * | 2023-11-07 | 2023-12-08 | 惠科股份有限公司 | Organic electroluminescent device, manufacturing method thereof and display panel |
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Application publication date: 20190301 Assignee: Bazhou Yungu Electronic Technology Co., Ltd.|Kunshan Institute of technology new flat panel display technology center Co., Ltd.|Kunshan Guoxian photoelectric Co., Ltd Assignor: The valley (Guan) Technology Co. Ltd. Contract record no.: X2019990000155 Denomination of invention: Flexible display panel and flexible display device License type: Common License Record date: 20191030 |
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Effective date of registration: 20191211 Address after: No. 2 Xiangshan Avenue, Yongning Street, Zengcheng District, Guangzhou, Guangdong province (the core of Zengcheng economic and Technological Development Zone) Applicant after: Guangzhou Guoxian Technology Co., Ltd Address before: 065500 Hebei Langfang County Guan emerging industry demonstration area Applicant before: The valley (Guan) Technology Co. Ltd. |
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