CN110211495A - Flexible display panel and flexible display device - Google Patents
Flexible display panel and flexible display device Download PDFInfo
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- CN110211495A CN110211495A CN201910456454.2A CN201910456454A CN110211495A CN 110211495 A CN110211495 A CN 110211495A CN 201910456454 A CN201910456454 A CN 201910456454A CN 110211495 A CN110211495 A CN 110211495A
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Classifications
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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
- 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
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- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The invention discloses a flexible display panel and a flexible display device. The flexible display panel comprises a bending area and a non-bending area, the bending area comprises a bending shaft, and the bending shaft extends along a first direction; the flexible display panel comprises a plurality of functional film layers, and at least two adjacent functional film layers are connected through an adhesive layer; at least two retaining walls are arranged between the adhesive layer and any adjacent functional film layer, and the retaining walls extend along a first direction; the retaining wall comprises a first retaining wall and a second retaining wall; the bending area is arranged adjacent to the retaining wall and is positioned between the first retaining wall and the second retaining wall along the second direction; the second direction intersects the first direction. According to the technical scheme provided by the embodiment of the invention, the retaining wall can limit the adhesive layer in the bending area, the adhesive layer in the bending area is prevented from moving towards the direction of the non-bending area in the bending process, the adhesive layer in the bending area cannot be thinned, the deformation is easy to recover, and the phenomenon that the bending area forms wrinkles or is degummed is further avoided.
Description
Technical field
The present embodiments relate to field of display technology more particularly to a kind of flexible display panels and flexible display apparatus.
Background technique
Flexible display panels have deformable flexible advantage, favor by user, and especially flexible organic light emission is aobvious
Show panel, while with above-mentioned advantage, additionally it is possible to self-luminous, and luminous efficiency is high, the response time is short, clarity and comparison
Degree is high, is increasingly becoming the first choice of flexible display panels.
Flexible organic light emitting display panel includes multiple functional film layers and multiple glue-lines in the prior art, and glue-line is for connecting
Two neighboring functional film layer, in actual use, organic light emission flexible display panels are bent repeatedly, belong to viscoelastic body
Its strain of glue-line lags behind stress, there are energy loss, causes glue-line that can not quickly and completely restore deformation, and then form pleat
Wrinkle, on the other hand, glue line material are assembled in the intersection of bent area and non-bent area, while the thickness of bent area inner glue layer subtracts
It is thin, to form the peeling force on multiple functional film layer stacking directions, causes glue-line to separate with adjacent functional film layer, degumming occur
Phenomenon.
Summary of the invention
The present invention provides a kind of flexible display panels and flexible display apparatus, forms fold to avoid bent area or takes off
Glue phenomenon.
In a first aspect, the embodiment of the invention provides a kind of flexible display panels, comprising: bent area and non-bent area, institute
Stating bent area includes bending axis, and the bending axis extends in a first direction；
The flexible display panels include multiple functional film layers, and at least two adjacent functional film layers are connected by glue-line
It connects；At least two barricades are provided between the glue-line and any adjacent functional film layer, the barricade is along the first party
To extension；
The barricade includes the first barricade and the second barricade；The bent area is disposed adjacent with the barricade, and along second
Direction, the bent area is between first barricade and second barricade；The second direction and the first direction
Intersect.
Second aspect, the embodiment of the invention also provides a kind of flexible display apparatus, including described in above-mentioned first aspect
Flexible display panels.
Flexible display panels provided in an embodiment of the present invention include multiple functional film layers, and at least two functional film layers pass through glue
Layer connection, by the way that at least two barricades are arranged between glue-line and any adjacent functional film layer, at least two barricades include first
Barricade and the second barricade, the bent area of flexible display panels is between the first barricade and the second barricade, so that in bending process
The stretching or compression of bent area inner glue layer are limited by barricade, biggish restoring force are gathered at barricade position, the restoring force
Quickly and more completely restore deformation conducive to bent area inner glue layer when expansion, avoids the generation of fold.On the other hand, glue-line
Its thickness is more uniform after restoring deformation, and glue line material will not be assembled at the boundary position of bent area and non-bent area, bending
Bondline thickness near axis is not in apparent thinned, and then does not have the appearance of larger peeling force, avoids bent area and goes out
Existing degumming phenomenon.In addition, two functions that dams setting between glue-line and any adjacent functional film layer, is disposed adjacent with barricade
Glue-line between film layer is flood structure, ensure that effective connection between the above-mentioned two functional film layer in any position, avoids
Glue-line vacancy at barricade position leads to the problem of removing easily takes place at position appearance.And barricade is remote with positioned at it
Functional film layer from glue-line side connects, so that in the preparation process of flexible display panels, it can be directly by barricade shape
At in the glue-line in the functional film layer, re-forming covering barricade, the realizability of technique is high, and difficulty is low.
Detailed description of the invention
In order to more clearly illustrate the technical scheme of the exemplary embodiment of the present invention, below to required in description embodiment
The attached drawing to be used does a simple introduction.Obviously, the attached drawing introduced is present invention a part of the embodiment to be described
Attached drawing, rather than whole attached drawings without creative efforts, may be used also for those of ordinary skill in the art
To obtain other attached drawings according to these attached drawings.
Fig. 1 is a kind of overlooking structure diagram of flexible display panels provided in an embodiment of the present invention；
Fig. 2 is the schematic diagram of the section structure of the dotted line AB along Fig. 1；
Fig. 3 is the overlooking structure diagram of another flexible display panels provided in an embodiment of the present invention；
Fig. 4 is the schematic diagram of the section structure of the dotted line CD along Fig. 3；
Fig. 5 is the overlooking structure diagram of another flexible display panels provided in an embodiment of the present invention；
Fig. 6 is the schematic diagram of the section structure of the dotted line EF along Fig. 5；
Fig. 7 is another the schematic diagram of the section structure of the dotted line AB along Fig. 1；
Fig. 8 is another the schematic diagram of the section structure of the dotted line AB along Fig. 1；
Fig. 9 is the partial enlarged view in Fig. 2 in dotted line frame；
Figure 10 is the overlooking structure diagram of another flexible display panels provided in an embodiment of the present invention；
Figure 11 is the partial enlarged view in Figure 10 in dotted line frame；
Figure 12 is the overlooking structure diagram of another flexible display panels provided in an embodiment of the present invention；
Figure 13 is the partial enlarged view in Figure 12 in dotted line frame；
Figure 14 is the overlooking structure diagram of another flexible display panels provided in an embodiment of the present invention；
Figure 15 is the partial enlarged view in Figure 14 in dotted line frame；
Figure 16 is the overlooking structure diagram of another flexible display panels provided in an embodiment of the present invention；
Figure 17 is the partial enlarged view in Figure 16 in dotted line frame；
Figure 18 is another structural schematic diagram in Fig. 2 in dotted line frame；
Figure 19 is a kind of structural schematic diagram of flexible display apparatus provided in an embodiment of the present invention.
Specific embodiment
It is of the invention to reach the technical means and efficacy that predetermined goal of the invention is taken further to illustrate, below in conjunction with
Attached drawing and preferred embodiment, to the specific embodiment party of a kind of flexible display panels proposed according to the present invention and flexible display apparatus
Formula, structure, feature and its effect, detailed description is as follows.
The embodiment of the invention provides flexible display panels, comprising: bent area and non-bent area, the bent area include curved
Axis is rolled over, the bending axis extends in a first direction；
The flexible display panels include multiple functional film layers, and at least two adjacent functional film layers are connected by glue-line
It connects；At least two barricades are provided between the glue-line and any adjacent functional film layer, the barricade is along the first party
To extension；
The barricade includes the first barricade and the second barricade；The bent area is disposed adjacent with the barricade, and along second
Direction, the bent area is between first barricade and second barricade；The second direction and the first direction
Intersect.
Flexible display panels provided in an embodiment of the present invention include multiple functional film layers, and at least two functional film layers pass through glue
Layer connection, by the way that at least two barricades are arranged between glue-line and any adjacent functional film layer, at least two barricades include first
Barricade and the second barricade, the bent area of flexible display panels is between the first barricade and the second barricade, so that in bending process
The stretching or compression of bent area inner glue layer are limited by barricade, biggish restoring force are gathered at barricade position, the restoring force
Quickly and more completely restore deformation conducive to bent area inner glue layer, avoids the generation of fold.On the other hand, glue-line restores shape
Its thickness is more uniform after change, and glue line material will not be assembled at the boundary position of bent area and non-bent area, bends near axis
Bondline thickness be not in it is apparent be thinned, and then do not have the appearance of larger peeling force, avoid bent area and degumming occur
Phenomenon.In addition, two functional film layers between glue-line and any adjacent functional film layer, being disposed adjacent with barricade of dams setting it
Between glue-line be flood structure, ensure that effective connection between the above-mentioned two functional film layer in any position, avoid glue-line
Vacancy leads to the problem of removing easily takes place at position appearance at barricade position.And barricade be located at its far from glue-line
The functional film layer of side connects, so that barricade directly can be formed in this in the preparation process of flexible display panels
In functional film layer, the glue-line of covering barricade is re-formed, the realizability of technique is high, and difficulty is low.
It is the core concept of the application above, following will be combined with the drawings in the embodiments of the present invention, to the embodiment of the present invention
In technical solution be clearly and completely described, it is clear that described embodiments are only a part of the embodiments of the present invention,
Instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative labor
Under the premise of dynamic, every other embodiment obtained be shall fall within the protection scope of the present invention.
In the following description, numerous specific details are set forth in order to facilitate a full understanding of the present invention, but the present invention can be with
Implemented using other than the one described here other embodiments, those skilled in the art can be without prejudice in the present invention
Similar popularization is done in the case where culvert, therefore the present invention is not limited by the specific embodiments disclosed below.
Secondly, combination schematic diagram of the present invention is described in detail, when describing the embodiments of the present invention, for purposes of illustration only, table
The schematic diagram of showing device device architecture not makees partial enlargement according to general proportion, and the schematic diagram is example,
This should not limit the scope of protection of the invention.In addition, the three-dimensional space of length, width and height should be included in actual fabrication
Size.
Fig. 1 is a kind of overlooking structure diagram of flexible display panels provided in an embodiment of the present invention.As shown in Figure 1, soft
Property display panel 10 include bent area 200 and non-bent area 100, bent area 200 include bending axis 210, bend axis 210 along first
Direction X extends.
Fig. 2 is the schematic diagram of the section structure of the dotted line AB along Fig. 1.As shown in Fig. 2, flexible display panels 10 include multiple function
Energy film layer 400, at least two adjacent functional film layers 400 are connected by glue-line 500, glue-line 500 and any adjacent functional film layer
At least two barricades 300 are provided between 400, with continued reference to Fig. 1, barricade 300 extends along first direction X.
As depicted in figs. 1 and 2, barricade 300 includes the first barricade 310 and the second barricade 320, bent area 200 and barricade 300
Be disposed adjacent, and Y in a second direction, bent area 200 between the first barricade 310 and the second barricade 320, second direction Y with
First direction X intersects.
It is worth noting that, " bent area 200 is disposed adjacent with barricade 300, and Y in a second direction, and bent area 200 is located at
Between first barricade 310 and the second barricade 320 " include following situation: one, barricade 300 is located in non-bent area 100, and with it is curved
Folding area 200 is disposed adjacent, as depicted in figs. 1 and 2；Two, barricade 300 is located in bent area 200, and adjacent with non-bent area 100
Setting；Three, barricade 300 is set on the line of demarcation of bent area 200 and non-bent area 100.The present embodiment only with wherein the first
It is illustrated for situation and non-limiting, above-mentioned three kinds of situations are in the protection scope of the present embodiment.
It should be noted that Fig. 1 is only illustrated so that flexible display panels 10 include two barricades 300 as an example, rather than it is right
The restriction of 300 quantity of barricade in flexible display panels 10, in other embodiments of the invention, the quantity of barricade 300 may be used also
With more than two, it is to be understood that other dams settings in addition to the first barricade 310 and the second barricade 320 are in bent area 200
It is interior, it is realized with cooperation to the restriction effect for corresponding to glue-line in bent area 200.
In addition, the present embodiment to the angle of intersection of first direction X and second direction Y also without limitation, Fig. 1 is only with first party
It is 90 ° to the angle of intersection of X and second direction Y illustratively to be illustrated.
It should also be noted that, the present embodiment to the specific structures of flexible display panels 10 without limitation, Flexible Displays face
Quantity, function, lamination order and the connection type of multiple functional film layers 400 can do phase all in accordance with practical application request in plate 10
It should adjust.
In addition, the case where quantity for 10 inner glue layer 500 of flexible display panels is greater than or equal to 2, with adjacent functional film
The quantity value range of the glue-line 500 of at least two barricades 300 is provided between layer 400 are as follows: more than or equal to 1 and be less than or wait
In the total quantity of 10 inner glue layer 500 of flexible display panels, it can be 1,2 or multiple, the present embodiment is not made this specifically
It limits, Fig. 1 and Fig. 2 only include that at least two gears are provided between one and adjacent functional film layer 400 with flexible display panels 10
It is illustrated for the glue-line 500 of wall 300 and non-limiting.
Illustratively, Fig. 3 is the overlooking structure diagram of another flexible display panels provided in an embodiment of the present invention.Figure
4 be the schematic diagram of the section structure of the dotted line CD along Fig. 3.It is more in Fig. 3 and Fig. 4 on the basis of flexible display panels shown in Fig. 1
A barricade 300 further includes multiple first first barricades 330 with 310 concentrated setting of the first barricade, the first barricade 310 and multiple first
Continuously it is arranged between first barricade 330.
Optionally, Fig. 5 is the overlooking structure diagram of another flexible display panels provided in an embodiment of the present invention.Fig. 6
It is the schematic diagram of the section structure of the dotted line EF along Fig. 5.As shown in Figure 5 and Figure 6, the first barricade 310 and multiple first first barricades 330
Between be spaced setting.
It should be noted that multiple barricades 300 can also include keeping off with multiple second first of 320 concentrated setting of the second barricade
Wall is continuously arranged between the second barricade 320 and multiple second first barricades, alternatively, the second barricade 320 and multiple second first barricades it
Between be spaced setting.On the other hand, the first first barricade 310 and the second first barricade 320 can be arranged simultaneously, can also only be arranged wherein
A kind of barricade 300, the present embodiment is not especially limited this.
It is understood that realize to the restriction effect for corresponding to glue-line 500 in bent area 200, each glue-line 500 with it is adjacent
300 quantity at least two of barricade between functional film layer 400, including be disposed adjacent with bent area 200, and be located at bending
Two barricades 300 of area's opposite sides, other barricades 300 are set to bent area 200, are rationally arranged according to specific requirements.
It is worth noting that, the barricade 300 being disposed adjacent with same glue-line 500 is located at same layer, the gear being disposed adjacent from different glue-lines 500
Wall 300 is located at different layer, mutually indepedent between different layer barricade 300, does not influence each other, except two be disposed adjacent with bent area 200
Outside barricade 300, the position of the different layer barricade 300 of any two can be the same or different in bent area 200.
In the present embodiment, same layer is arranged and is located at the first barricade 310 and second gear of 200 opposite sides of bent area
Wall 320 plays restriction effect to the correspondence glue-line 500 in bent area 200, non-curved in the bending process of flexible display panels 10
Almost without interaction force, bent area between interior 500 part of glue-line in 500 part of glue-line and bent area 200 in folding area 100
The deformation of 500 part of glue-line can regard independent deformation as in 200, and the variation of 500 thickness of bending process mesoglea exists only in curved
In folding area 200, i.e., bending axis 210 is nearby influenced by bending operation and thinned glue line material can only be moved to the first barricade 310
Near the second barricade, without further extending in non-bent area 100, in this case, the position of mobile glue line material
Move small, the time-consuming for moving back to original position is few, and is not easy to form expendable deformation, and then after removing bending operation, curved
Glue line material of the folding area 200 near non-bent area 100 more can completely move back at original position, realize bent area
The deformation of 200 inner glue layers 500 restores.
Optionally, Fig. 7 is another the schematic diagram of the section structure of the dotted line AB along Fig. 1.As shown in fig. 7, same glue-line 500
Be provided with barricade 300 between two adjacent functional film layers 400, positioned at 500 either side of glue-line multiple barricades 300 at least
Including the first barricade 310 and the second barricade 320 being disposed adjacent with bent area 200, positioned at 200 the same side of bent area and different layer is set
Two the first barricades 310 setting are overlapping, and the bondline thickness between above-mentioned two overlapping the first barricades 310 is greater than 0, i.e., and two the
The case where glue-line 500 of one barricade, 310 position does not disconnect.
It should be noted that above-mentioned set-up mode is capable of increasing the height of barricade 300 when glue-line is thicker, barricade 300 is promoted
To the restriction effect of 200 inner glue layer 500 of bent area, and then the generation of fold and degumming phenomenon is more effectively avoided, on the other hand,
Glue-line 500 remains as a continuous flood structure, reduces glue-line from the several of 300 position peeling off phenomenon of barricade
Rate.
Flexible display panels 10 provided in this embodiment include multiple functional film layers 400, and at least two functional film layers 400 are logical
The connection of glue-line 500 is crossed, by the way that at least two barricades 300 are arranged between glue-line 500 and any adjacent functional film layer 400, at least
Two barricades 300 include the first barricade 310 and the second barricade 320, and the bent area 200 of flexible display panels 10 is located at the first barricade
310 and second between barricade 320, so that the stretching of 200 inner glue layer 500 of bent area or compressing limit by barricade in bending process
System, gathers biggish restoring force at 300 position of barricade, and it is quick and more complete which is conducive to 200 inner glue layer 500 of bent area
Full recovery deformation, avoids the generation of fold.On the other hand, its thickness is more uniform after glue-line 500 restores deformation, glue-line material
Material will not be assembled at the boundary position of bent area 200 and non-bent area 100, and 500 thickness of glue-line bent near axis 210 will not
Occur significantly being thinned, and then do not have the appearance of larger peeling force, avoids bent area 200 and degumming phenomenon occur.In addition, gear
Wall 300 is set between glue-line 500 and any adjacent functional film layer 400, two functional film layers being disposed adjacent with barricade 300
Glue-line between 400 is flood structure, ensure that effective connection between the above-mentioned two functional film layer 400 in any position, keeps away
Having exempted from the vacancy at 300 position of barricade of glue-line 500 leads to the problem of removing easily takes place at position appearance.And barricade
300 connect with its functional film layer 400 far from 500 side of glue-line is located at, so that in the preparation of flexible display panels 10
Barricade 300 can be directly formed in the functional film layer 400 by Cheng Zhong, re-form the glue-line 500 of covering barricade 300, work
The realizability of skill is high, and difficulty is low.
It should be noted that barricade 300 can be the absolute construction being formed in adjacent functional film layer, as shown in Fig. 2,
It can be same overall structure with adjacent functional film layer, be formed simultaneously with adjacent functional film layer, as shown in Figure 8.Barricade 300 and phase
Adjacent functional film layer is integrally formed, simplifies manufacturing process；And the risk that barricade 300 falls off from functional film layer is reduced,
Improve the reliability of display panel.
Illustratively, with continued reference to Fig. 1, along first direction X, the length of barricade 300 and the length of flexible display panels 10
It is equal.
It should be noted that such setting enables barricade 300 to the correspondence glue-line 500 in entire bent area 200
Restriction effect is played, reduces the interaction between bent area 200 and 100 inner glue layer 500 of non-bent area to the greatest extent.
Fig. 9 is the partial enlarged view in Fig. 2 in dotted line frame.As shown in figure 9, barricade 300 includes contacting with functional film layer 400
First surface 301, the second surface 302 that is contacted with glue-line 500, and first surface 301 and second surface 302 are aobvious with flexibility
Show panel parallel, wherein the area of first surface 301 is greater than the area of second surface 302.
In the other embodiments of the present embodiment, the area of first surface 301 can also be equal to the face of second surface 302
Product, as shown in Figure 10 and Figure 11.
It should be noted that such be arranged so that the contact area between barricade 300 and functional film layer 400 is greater than or waits
Contact surface between barricade 300 and glue-line 500 connects, so that having relatively firm company between barricade 300 and functional film layer 400
It connects, avoids being removed from functional film layer 400 easily after 300 stress of barricade in bending process.
It should also be noted that, what Fig. 9 and Figure 11 illustrated is section of the barricade 300 perpendicular to its extending direction, at this
In embodiment, the shape in the section is not limited to trapezoidal shown in Fig. 9 and Figure 11 and rectangle, in the other embodiments of the present embodiment
In, the shape in the section can be circle, as shown in Figure 12 and Figure 13；The shape in the section may be semicircle, such as Figure 14
With shown in Figure 15；The shape in the section can also be triangle, as shown in Figure 16 and Figure 17.Wherein, which is circular gear
The first surface 301 and second surface 302 of wall 300 are straight line, the extending direction of the straight line and the extension side of barricade 300
To identical；The section is that the second surface 302 of the barricade 300 of triangle is straight line, the extending direction and barricade of the straight line
300 extending direction is identical；The section is that the second surface 302 of semicircular barricade 300 is straight line, the extension of the straight line
Direction is identical as the extending direction of barricade 300.It is understood that all areas for meeting first surface 301 are greater than or equal to
The cross sectional shape of 302 area of second surface is in the protection scope of the present embodiment.
Illustratively, the elasticity modulus of barricade 300 can be greater than 1GPa.
It should be noted that the elasticity modulus of structure is bigger, hardness is bigger, and the elasticity of barricade 300 is arranged in the present embodiment
Modulus is greater than 1GPa, enables to the hardness of barricade 300 larger, is not easy to bend deformation, and then can be more effectively to bent area
Glue-line 500 in 200 plays restriction effect.
Optionally, the material of barricade 300 can be resin or hard rubber.
Illustratively, the material of barricade 300 can be epoxy resin or vulcanizate etc..It above are only 300 material of barricade
Exemplary illustration and it is non-limiting, in the other embodiments of the present embodiment, the gear of effective 500 attributive function of glue-line can be played
The forming material of wall 300 is in the protection scope of the present embodiment.
With continued reference to Fig. 2, multiple functional film layers 400 include be stacked drive array layer 403, light emitting functional layer 404,
Encapsulated layer 405, polaroid 407, touch control layer 408 and cover layer 409 are located at light emitting functional layer 404 close to flexible display panels
The barricade 300 of light-emitting surface side is transparent configuration.
In the present embodiment, flexible display panels light-emitting surface is surface of the flexible display panels close to 409 side of cover layer.
It should be noted that light emitting functional layer 404 includes the first electrode layer being stacked, luminous material layer and the second electricity
Pole layer, in the normal use process of flexible display panels 10, forms electric field between first electrode layer and the second electrode lay, shine
Material layer shines under the electric field action.Therefore, positioned at light emitting functional layer 404 close to 10 light-emitting surface side of flexible display panels
Barricade 300 is substantially disposed on 10 interior lights road of flexible display panels, and setting transparent configuration for barricade 300 can be avoided
Barricade 300 stops light, guarantees that flexible display panels 10 have good display effect.
Illustratively, barricade 300 can be the transparent configuration formed using materials such as acrylics.
With continued reference to Fig. 2, the functional film layer 400 in flexible display panels can also include underlay substrate 401, buffer layer
402 and water blocking layer 406, wherein underlay substrate 401 is located at one of drive array layer 403 far from flexible display panels light-emitting surface
Side, for buffer layer 402 between drive array layer 403 and underlay substrate 401, water blocking layer 406 is located at encapsulated layer 405 and polaroid
Between 407.Further, in the other embodiments of the present embodiment, the functional film layer 400 in flexible display panels can also
Including support membrane, which is connected by glue-line 500 and underlay substrate 401 away from the surface of flexible display panels light-emitting surface side
It connects.
It should be noted that support membrane is connect with underlay substrate 401 by glue-line 500, encapsulated layer 405 and water blocking layer 406
It is connected by glue-line 500, water blocking layer 406 is connect by glue-line 500 with polaroid 407, and polaroid 407 passes through glue-line 500 and touching
Layer 408 is controlled to connect, touch control layer 408 is connect by glue-line 500 with cover layer 409, any one or multiple glue-lines 500 with it is adjacent
At least two barricades 300 can be set between functional film layer 400.
It should also be noted that, the present embodiment is only illustrated by taking the structure of above-mentioned flexible display panels as an example rather than is limited
Fixed, arbitrarily the structure of the flexible display panels including at least one glue-line 500 is in the protection scope of the present embodiment.
With continued reference to Fig. 2, glue-line 500 includes the first sub-portion 510, the second sub-portion 520 and third sub-portion 530.Along perpendicular to
The direction Z of flexible display panels, the first sub-portion 510 are stacked with adjacent barricade 300, and the first sub-portion 510 is in Flexible Displays
Upright projection on panel light-emitting surface is overlapped with upright projection of the adjacent barricade 300 on flexible display panels light-emitting surface, and second
Sub-portion 520 is located in bent area 200, and third sub-portion is located in non-bent area 100.As shown in figure 9, along perpendicular to Flexible Displays face
The direction Z of plate, the thickness a of the first sub-portion 510 are less than the thickness b of the second sub-portion 520, and the thickness a of the first sub-portion 510 is less than
The thickness c of three sub-portions 530.
It should be noted that such setting reduces influence of the barricade 300 to 500 flatness of glue-line, and it ensure that gear
It is provided with glue line material between wall 300 and side adjacent functional film layer 400, barricade 300 is avoided and the fracture of glue-line 500 is caused
The segregative problem of adjacent functional film layer 400 occurs.
Optionally, as shown in Fig. 2, the thickness of the second sub-portion 520 and third sub-portion 530 can be equal, and it is equal to the first son
The sum of the thickness in portion 510 and adjacent barricade 300, it is such to be arranged so that surface of the glue-line 500 far from adjacent 300 side of barricade is
Flat surface, conducive to the promotion of flexible display panels flatness.
Figure 18 is another structural schematic diagram in Fig. 2 in dotted line frame.As shown in Fig. 2 and Figure 18, it is located at the first sub-portion 510
Functional film layer 400 far from adjacent 300 side of barricade is the first functional film layer 410. with continued reference to Figure 18, the first functional membrane 410
The roughness on the surface 421 connected with the first sub-portion 510 is greater than the first functional film layer 410 and the second sub-portion 520 and the
The roughness on the surface 422 that three sub-portions 530 connect.
It should be noted that it is such setting can be improved the first sub-portion 510 be adhered with the first functional film layer 410 it is secured
Property, reduce the first sub-portion 510 and the isolated probability of the first functional film layer 410.
Optionally, the surface 422 that the first functional film layer 410 and the second sub-portion 520 and third sub-portion 530 connect it is thick
Rugosity can be identical, so that the surface 421 contacted to the first functional film layer 410 with the first sub-portion 510 is only needed to carry out slightly
Rugosity processing, simplifies the process of surface treatment of the first functional film layer 410.
Optionally, the adhesion strength of the first sub-portion 510 can be greater than or equal to the adhesion strength of the second sub-portion 520, and the first son
The adhesion strength in portion 510 is greater than or equal to the adhesion strength of third sub-portion 530.
It should be noted that such setting further improves 410 adhesion of the first sub-portion 510 and the first functional film layer
Fastness reduces the first sub-portion 510 and the isolated probability of the first functional film layer 410.
Optionally, the adhesion strength of the second sub-portion 520 and third sub-portion 530 can be identical, and such setting is so that the second son
Portion 520 and third sub-portion 530 can be formed using same material, reduced the type that glue-line 500 includes material, reduced to be formed
Cost and preparation process difficulty.
It should also be noted that, since the thickness of the first sub-portion 510 is less than the second sub-portion 510 and third sub-portion 530
Thickness, therefore, if the first sub-portion 510 is identical as the adhesion strength of the second sub-portion 520 and third sub-portion 530, and the first functional film layer
410 surface roughnesses that contact with the glue-line 500 are identical, then the whole adhesion strength of the first sub-portion 510 is less than 520 He of the second sub-portion
Easily there is degumming phenomenon in 300 position of barricade in the adhesion strength of third sub-portion 530, for the appearance for avoiding the above problem, sheet
The adhesion strength that the first sub-portion 510 is arranged in embodiment is greater than the adhesion strength and/or the first function of the second sub-portion 520 and third sub-portion 530
The roughness on the surface 421 that energy film layer 400 and the first sub-portion 510 connect is greater than itself and the second sub-portion 520 and third sub-portion
530 surfaces 422 connected.
Illustratively, barricade 300 can be formed using inkjet printing or silk-screen printing technique.
It should be noted that barricade 300 is formed in it in the functional film layer 400 of 500 side of glue-line, above-mentioned barricade
The technology difficulty of 300 formation process is low, easy to implement, thereby reduces the preparation difficulty of flexible display panels.
It is understood that barricade 300 in the present embodiment can also be formed using other techniques, the present embodiment to this not
Make specific limit.
Figure 19 is a kind of structural schematic diagram of flexible display apparatus provided in an embodiment of the present invention.As shown in figure 19, flexible
Display device 1 includes flexible display panels 10 described in any embodiment of that present invention.Since Flexible Displays provided by the present application fill
Setting 1 includes flexible display panels 10 described in any embodiment of that present invention, with 10 phase of flexible display panels included by it
Same or corresponding beneficial effect, details are not described herein again.
Note that the above is only a better embodiment of the present invention and the applied technical principle.It will be appreciated by those skilled in the art that
The invention is not limited to the specific embodiments described herein, be able to 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 embodiments to this
Invention is described in further detail, but the present invention is not limited to the above embodiments only, is not departing from present inventive concept
In the case of, it can also include more other equivalent embodiments, and the scope of the invention is determined by the scope of the appended claims.
Claims (11)
1. a kind of flexible display panels characterized by comprising bent area and non-bent area, the bent area include bending axis,
The bending axis extends in a first direction；
The flexible display panels include multiple functional film layers, and at least two adjacent functional film layers are connected by glue-line；
At least two barricades are provided between the glue-line and any adjacent functional film layer, the barricade prolongs along the first direction
It stretches；
The barricade includes the first barricade and the second barricade；The bent area is disposed adjacent with the barricade, and in a second direction,
The bent area is between first barricade and second barricade；The second direction is intersected with the first direction.
2. flexible display panels according to claim 1, which is characterized in that along the first direction, the length of the barricade
The equal length of degree and the flexible display panels.
3. flexible display panels according to claim 1, which is characterized in that the barricade includes connecing with the functional film layer
The first surface of touching, the second surface contacted with the glue-line, and the first surface and the second surface with it is described soft
Property display panel it is parallel, wherein the area of the first surface be greater than or equal to the second surface area.
4. flexible display panels according to claim 1, which is characterized in that the elasticity modulus of the barricade is greater than 1GPa.
5. flexible display panels according to claim 1, which is characterized in that the material of the barricade is resin or hard
Glue.
6. flexible display panels according to claim 1, which is characterized in that the multiple functional film layer includes being stacked
Drive array layer, light emitting functional layer, encapsulated layer, polaroid, touch control layer and cover layer, be located at the light emitting functional layer it is close
The barricade of flexible display panels light-emitting surface side is transparent configuration.
7. flexible display panels according to claim 1, which is characterized in that the glue-line includes the first sub-portion, the second son
Portion and third sub-portion；Along the direction perpendicular to the flexible display panels, first sub-portion is set with the adjacent barricade stacking
It sets, and upright projection of first sub-portion on the flexible display panels light-emitting surface and the adjacent barricade are in the flexibility
Upright projection on display panel light-emitting surface is overlapped；Second sub-portion is located in the bent area, and the third sub-portion is located at
In the non-bent area；
Along the direction perpendicular to the flexible display panels, the thickness of first sub-portion is less than the thickness of second sub-portion,
And the thickness of first sub-portion is less than the thickness of the third sub-portion.
8. flexible display panels according to claim 7, which is characterized in that be located at first sub-portion far from adjacent described
The functional film layer of barricade side is the first functional film layer, what first functional film layer and first sub-portion connected
The roughness on surface is greater than the surface that first functional film layer and second sub-portion and the third sub-portion connect
Roughness.
9. flexible display panels according to claim 7, which is characterized in that the adhesion strength of first sub-portion is greater than or waits
In the adhesion strength of second sub-portion, and the adhesion strength of first sub-portion is greater than or equal to the adhesion strength of the third sub-portion.
10. flexible display panels according to claim 1, which is characterized in that the barricade uses inkjet printing or silk screen
Printing technology is formed.
11. a kind of flexible display apparatus, which is characterized in that including the described in any item flexible display panels of claim 1-10.
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| CN201910456454.2A CN110211495A (en) | 2019-05-29 | 2019-05-29 | Flexible display panel and flexible display device |
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| CN201910456454.2A CN110211495A (en) | 2019-05-29 | 2019-05-29 | Flexible display panel and flexible display device |
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| CN111016478A (en) * | 2019-11-14 | 2020-04-17 | 深圳市华星光电半导体显示技术有限公司 | Method for manufacturing perovskite color conversion film |
| CN111667770A (en) * | 2020-07-15 | 2020-09-15 | 武汉华星光电技术有限公司 | Flexible display device |
| CN112117319A (en) * | 2020-09-30 | 2020-12-22 | 武汉天马微电子有限公司 | Display device and display device bonding method |
| CN114500705A (en) * | 2022-04-12 | 2022-05-13 | 荣耀终端有限公司 | Frame and electronic equipment |
| CN115843207A (en) * | 2023-02-22 | 2023-03-24 | 科迪华显示技术(绍兴)有限公司 | Flexible OLED display panel and manufacturing method thereof |
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Application publication date: 20190906 |