CN107170374A - Flexible display panels and flexible display apparatus - Google Patents
Flexible display panels and flexible display apparatus Download PDFInfo
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- CN107170374A CN107170374A CN201710517134.4A CN201710517134A CN107170374A CN 107170374 A CN107170374 A CN 107170374A CN 201710517134 A CN201710517134 A CN 201710517134A CN 107170374 A CN107170374 A CN 107170374A
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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
Abstract
This application discloses a kind of flexible display panels and flexible display apparatus, it is related to display technology field, wherein flexible display panels include：Flexible base board, flexible base board includes at least one layer of flexible substrates；Electric variable material layer, including first electrode layer, memory material layer and the second electrode lay set gradually, memory material layer produce deformation in the presence of the electric field that first electrode layer and the second electrode lay are provided and can recovered；At least one layer of flexible substrates are located at the surface and/or the surface of the second electrode lay side of first electrode layer side in electric variable material layer.The electric variable material layer that the application is introduced causes the bending of flexible display panels to become controllable, and make it that the bending of flexible display panels is more flexible, and then so that the bending of the flexible display panels and flexible display apparatus in the application realizes intellectuality.
Description
Technical field
The application is related to display technology field, specifically, is related to a kind of flexible display panels and flexible display apparatus.
Background technology
Flexible display is that one kind is produced on foldable on flexible carrier (also referred to as flexible base board) or flexible display
Device, it is using flexible substrate material as the bearing substrate of device, it is desirable to electrode layer, TFT (Thin Film Transistor, it is thin
Film transistor), display unit and encapsulated layer have certain bending radius so as to realize Grazing condition.Because flexibility is aobvious
Show utensil have it is frivolous it is portable, the characteristics of impact resistance is strong, and with aesthetic feeling of the design, research for its technology and innovate more next
More it is valued by people.
Flexible base board is used in flexible display, flexible base board is made up of flexible flexible material, so that aobvious
Show that device is flexible.The organic polymers such as polyimides (Polyimide, hereinafter referred to as PI) rely on its superpower bending, anti-impact force
And anti-fatigue ability just progressively turns into the main material of flexible base board.It is organic poly- using PI etc. due to the effect of surface tension
Compound can make flexible display be in contraction state, or rolled state in its natural state as flexible substrate material, although
It is easy to store, but when watching display screen, in order to ensure the straight or flat, it is necessary to the side such as additional special rigid stent of display
Formula fixes display, therefore is not easy to the use of user.
Have in the prior art and add hinge means in some positions of flexible base board or added at the edge of flexible display
Plasticity support realizes freely stretching for flexible display.However, with long-term use, hinge is easy to failure, support also holds
It is fragile, and the addition of rigid material can reduce the deformability of display, it is impossible to the flexible bending of flexible display is realized, this
Run in the opposite direction with the purpose of Flexible Displays.
The content of the invention
In view of this, technical problems to be solved in this application there is provided a kind of flexible display panels and Flexible Displays dress
Put, neatly flexible display panels and flexible display apparatus can be bent.
In order to solve the above-mentioned technical problem, the application has following technical scheme：
In a first aspect, the application provides a kind of flexible display panels, it is characterised in that including：
Flexible base board, the flexible base board includes at least one layer of flexible substrates；
Electric variable material layer, including first electrode layer, memory material layer and the second electrode lay set gradually, the memory
Material layer produces deformation in the presence of the electric field that the first electrode layer and the second electrode lay are provided and can recovered；
At least one layer of flexible substrates be located at the surface of first electrode layer side described in the electric variable material layer and/
Or the surface of the second electrode lay side.
Second aspect, the application also provides a kind of flexible display apparatus, including flexible display panels, the flexible display panels
For flexible display panels provided herein.
Compared with prior art, flexible display panels described herein and flexible display apparatus, have reached following effect：
In flexible display panels provided by the present invention and flexible display apparatus, flexible display panels include flexible base board,
The flexible base board includes at least one layer of flexible substrates, and flexible display panels also include electric variable material layer, electric variable material layer bag
The first electrode layer set gradually, memory material layer and the second electrode lay are included, at least one layer of flexible substrates are located at electric changeable material
The surface and/or the surface of the second electrode lay side of first electrode layer side in layer.The application is introduced in flexible display panels
Electric variable material layer, and flexible substrates are arranged on to the surface of first electrode layer side in electric variable material layer, or be arranged on
The surface of the second electrode lay side in electric variable material layer, or in electric variable material layer the surface of first electrode layer side and
The surface of the second electrode lay side sets flexible substrates simultaneously, because the memory material layer in electric variable material layer is in first electrode
Deformation is provided in the presence of layer and the electric field that is provided of the second electrode lay and can be recovered, the application by control first electrode layer and
The size and location of electric field between the second electrode lay just can control amplitude and the position of memory material layer bending, and then control soft
Property substrate bending amplitude and position, therefore the application introduce electric variable material layer the bending of flexible display panels is become
It is controllable, and make it that the bending of flexible display panels is more flexible, and then cause the flexible display panels and flexibility in the application
The bending of display device realizes intellectuality.
Brief description of the drawings
Accompanying drawing described herein is used for providing further understanding of the present application, constitutes the part of the application, this Shen
Schematic description and description please is used to explain the application, does not constitute the improper restriction to the application.In the accompanying drawings：
Fig. 1 show a kind of a kind of sectional view of the viewing area of flexible display panels provided herein；
Fig. 2 show a kind of a kind of sectional view of flexible display panels provided herein；
Fig. 3 show a kind of another sectional view of flexible display panels provided herein；
Fig. 4 show a kind of a kind of top view of flexible display panels provided herein；
Fig. 5 show a kind of another sectional view of flexible display panels provided herein；
Fig. 6 show a kind of structural representation of electrode layer provided herein；
Fig. 7 show another structural representation of electrode layer provided herein；
Fig. 8 show a kind of profile of electric variable material layer provided herein；
Fig. 9 show another a variety of profiles of electric variable material layer provided herein；
Figure 10 show another profile of electric variable material layer provided herein；
Figure 11 show a kind of another top view of flexible display panels provided herein；
Figure 12 show another structural representation of electrode layer provided herein；
Figure 13 show another profile of electric variable material layer provided herein；
Figure 14 show the yet another construction schematic diagram of electrode layer provided herein；
Figure 15 show two electrode layers provided herein and strip shaped electric poles structure shown in Figure 12 and Figure 14 is respectively adopted
Into when a kind of top view；
Figure 16 show a kind of top view of memory material layer in the application；
Figure 17-1 show a kind of another sectional view of flexible display panels provided herein；
Figure 17-2 show a kind of another sectional view of flexible display panels provided herein；
Figure 18 show a kind of structural representation of sensor in a kind of flexible display panels provided herein；
Figure 19 show another structural representation of sensor in a kind of flexible display panels provided herein；
Figure 20 show another structural representation of sensor in a kind of flexible display panels provided herein；
Figure 21 show a kind of a kind of structural representation of flexible display apparatus provided herein.
Embodiment
Some vocabulary have such as been used to censure specific components among specification and claim.Those skilled in the art should
It is understood that hardware manufacturer may call same component with different nouns.This specification and claims are not with name
The difference of title is used as the mode for distinguishing component, but is used as the criterion of differentiation with the difference of component functionally.Such as logical
The "comprising" of piece specification and claim mentioned in is an open language, therefore should be construed to " include but do not limit
In "." substantially " refer in receivable error range, those skilled in the art can solve described in the range of certain error
Technical problem, basically reaches the technique effect.In addition, " coupling " one word is herein comprising any direct and indirect electric property coupling
Means.Therefore, if a first device is coupled to a second device described in text, representing the first device can directly electrical coupling
The second device is connected to, or the second device is electrically coupled to indirectly by other devices or coupling means.Specification
Subsequent descriptions for implement the application better embodiment, so it is described description be for the purpose of the rule for illustrating the application,
It is not limited to scope of the present application.The protection domain of the application is worked as to be defined depending on the appended claims person of defining.
Flexible display panels with its it is bent, low in energy consumption, light the features such as instantly most popular display panel it
One.Fig. 1 show a kind of sectional view of the viewing area of flexible display panels provided herein, generally, flexible display panels
100 include flexible substrates 10, and the flexible substrates 10, by being made with flexible any appropriate insulating materials, can be transparent
, it is translucent or opaque.Cushion 30 is provided with flexible substrates 10, usual cushion 30 covers flexible substrates 10
Whole upper surface.Thin film transistor (TFT) array (driving function layer 20) is provided with the upper surface of cushion 30, in film crystal
Organic luminescent device (light emitting functional layer 40), the thin-film encapsulation layer 50 on organic luminescent device are provided with above pipe array,
Thin-film encapsulation layer 50 generally includes multilayer inorganic layer and organic layer, and inorganic layer and organic layer are staggeredly stacked.
Generally, driving function layer 20 includes：
Semiconductor active layer 25 on cushion 30, semiconductor active layer 25 includes passing through doped N-type foreign ion
Or source region and drain region formed by p type impurity ion；
Gate insulator 26 positioned at the top of semiconductor active layer 25, gate insulator 26 includes such as silica, nitridation
The inorganic layer of silicon or metal oxide, and single or multiple lift can be included；
The first metal layer 21 on gate insulator 26, the specific region of the first metal layer 21 forms thin film transistor (TFT)
Grid, grid may include golden (Au), silver-colored (Ag), copper (Cu), nickel (Ni), platinum (Pt), palladium (Pd), aluminium (Al), molybdenum (Mo) or chromium
(Cr) single or multiple lift, or such as aluminium (Al):Neodymium (Nd) alloy, molybdenum (Mo):The alloy of tungsten (W) alloy；
Interlayer insulating film 24 positioned at the top of the first metal layer 21, interlayer insulating film 24 can be by silica or silicon nitride etc.
Insulating inorganic layer formed, can also be formed by insulative organic layer；
Second metal layer on interlayer insulating film 24, the specific region of second metal layer forms the source of thin film transistor (TFT)
Electrode 27 and drain electrode 28, source electrode 27 and drain electrode 28 are electrically connected to source area and and drain region by contact hole 29 respectively
Domain, contact hole is by optionally removing gate insulator 26 and the formation of interlayer insulating film 24；And
Passivation layer 23 in second metal layer, passivation layer 23 can be formed by the inorganic layer such as silica or silicon nitride,
Also it can be formed by organic layer.
Generally, organic luminescent device 40 includes setting gradually first electrode 43 (be usually anode), luminescent layer 42 and the
Two electrodes 41 (being usually negative electrode).Wherein, first electrode 43 is electrically connected to the drain electrode 28 of thin film transistor (TFT) by contact hole, thin
Film transistor is controlled by its drain electrode 28 to organic luminescent device 40.Luminescent layer 42 can be by low molecule amount organic material
Or high molecular weight organic materials are formed, luminescent layer 42 include organic emission layer, and can also include hole injection layer (HIL),
At least one in hole transmission layer (HTL), electron transfer layer (ETL) and electron injecting layer (EIL).Certainly, the present invention may be used also
Including other film layers of the prior art, to be repeated no more in this explanation.
Fig. 2 show a kind of a kind of sectional view of flexible display panels provided herein, as can be seen from Figure 2 the application
In flexible display panels 100, including：
Flexible base board 10, flexible base board 10 includes at least one layer of flexible substrates 11；
Electric variable material layer 60, including first electrode layer 61, memory material layer 62 and the second electrode lay 63 set gradually,
Memory material layer 62 produces deformation in the presence of the electric field that first electrode layer 61 and the second electrode lay 63 are provided and can recovered；
At least one layer of flexible substrates 11 are located at the surface and/or second of the side of first electrode layer 61 in electric variable material layer 60
The surface of the side of electrode layer 63.
Specifically, referring to Fig. 2, electric variable material layer 60 is introduced in the flexible display panels 100 in the application, the electricity can
Change material layer 60 includes first electrode layer 61, memory material layer 62 and the second electrode lay 63 set gradually, flexible display panels
100 also include one layer of flexible substrates 11, and this layer of flexible substrates 11 are arranged on the side of first electrode layer 61 in electric variable material layer 60
Surface.When needing to bend flexible display panels 100, the memory material layer 62 in electric variable material layer 60 is first
Corresponding deformation is produced in the presence of the electric field that electrode layer 61 and the second electrode lay 63 are provided, at the same time, in first electrode
Also under the drive of memory material layer 62 corresponding deformation can occur for the flexible substrates 11 of 61 side of layer；When that need not bend, memory
Material layer 62 can return to initial non-bending in the presence of the electric field that first electrode layer 61 and the second electrode lay 63 are provided again
State, while can also be returned in the side flexible substrates 11 of first electrode layer 61 under the drive of memory material layer 62 initial non-
Bending state.In this way, the application is by controlling the size and location of the electric field between first electrode layer 61 and the second electrode lay 63
Amplitude and position with regard to the controllable bending of memory material layer 62, and then amplitude and the position of the bending of flexible substrates 11 are controlled, therefore
The electric variable material layer 60 that the application is introduced causes the bending of flexible display panels 100 to become controllable, and causes Flexible Displays
The bending of panel 100 is more flexible, and then causes the flexible display panels 100 in the application and the bending reality of flexible display apparatus
Intellectuality is showed.
Except the implementation exception that Fig. 2 is provided, Fig. 3 show another section of a kind of flexible display panels provided herein
Face figure, identically with embodiment illustrated in fig. 2, the flexible base board 10 in Fig. 3 also include one layer of flexible substrates 11, but the flexible substrates
11 are arranged on the surface of the side of the second electrode lay 63 in electric variable material layer 60.It is curved when needing to carry out flexible display panels 100
The electric field that memory material layer 62 in Qu Shi, electric variable material layer 60 is provided in first electrode layer 61 and the second electrode lay 63
Effect is lower to produce corresponding deformation, at the same time, and the flexible substrates 11 in the side of the second electrode lay 63 also can be in memory material layer
Occurs corresponding deformation under 62 drive；When that need not bend, memory material layer 62 again can be in first electrode layer 61 and second electrode
Initial non-bending state is returned in the presence of the electric field that layer 63 is provided, while the flexible base in the side of the second electrode lay 63
Bottom 11 can also return to initial non-bending state under the drive of memory material layer 62.In this way, the application passes through the electricity of control first
The size and location of electric field between pole layer 61 and the second electrode lay 63 just can control amplitude and the position of the bending of memory material layer 62
Put, and then control amplitude and the position of the bending of flexible substrates 11, therefore the electric variable material layer 60 that the application is introduced causes flexibility
The bending of display panel 100 becomes controllable, and make it that the bending of flexible display panels 100 is more flexible, and then causes this Shen
Please in flexible display panels 100 and the bending of flexible display apparatus realize intellectuality.
Alternatively, Fig. 4 show a kind of top view of flexible display panels provided herein, and referring to Fig. 4, flexibility is aobvious
Show panel 100 also include control chip 70 and some leads 71, control chip 70 by lead 71 respectively with first electrode layer 61
Electrically connected with the second electrode lay 63.
Specifically, the control chip 70 in the application by lead 71 respectively with first electrode layer 61 and the second electrode lay 63
Electrical connection, control signal can be sent by lead 71 to first electrode layer 61 and the second electrode lay 63 respectively, and the is controlled with this
The size of electric field produced by between one electrode layer 61 and the second electrode lay 63 and position, by first electrode layer 61 and the
Between two electrode layers 63 produced by electric field size and location control, so that it may control memory material layer 62 bending amplitude and
Position, and then amplitude and the position of the bending of flexible substrates 11 can be accurately controlled, so that flexible display panels in the application
100 bending becomes more controllable more intelligent.
Alternatively, the first electrode layer 61 and the second electrode lay 63 in the application are light-proof material.
It should be noted that the first electrode layer 61 and the second electrode lay 63 in the present invention use lighttight metal material
It is made, and needs to be made to very thin, when the light-proof material material such as metal is made into very thin, there can be the feelings of printing opacity
Condition, but still have certain effect of blocking to light.Therefore, the light-proof material described in the present invention is broadly understood as in slim shape
There is the material of certain interception under state.
Specifically, during by first electrode layer 61 and the second electrode lay 63 using light-proof material formation, lighttight electrode
Layer can play effective interception, prevent in process of production when flexible display panels 100 are removed by the way of laser,
UV lamp (ultraviolet lamp) causes device when exposing on the device on flexible base board 10 (such as driving function device and luminescent device)
Part fails, and causes the flexible display panels 100 in the application not show normally.
Alternatively, flexible base board 10 includes the first flexible substrates 12 and the second flexible substrates 13；Flexible display panels 100 are wrapped
Include the first flexible substrates 12 set gradually, first electrode layer 61, memory material layer 62, the flexible base of the second electrode lay 63 and second
Bottom 13.
Specifically, Fig. 5 show a kind of another sectional view of flexible display panels provided herein, shown in Fig. 5
Flexible base board 10 in embodiment includes two flexible substrates, is the first flexible substrates 12 and the second flexible substrates 13 respectively, the
One flexible substrates 12 are located at the surface that first electrode layer 61 in electric variable material layer 60 deviates from memory material layer 62, the second flexible base
Bottom 13 is located at the surface that the second electrode lay 63 in electric variable material layer 60 deviates from memory material layer 62, and the first flexible substrates 12
Whole electric variable material layer 60 is wrapped up with the second flexible substrates 13.As can be seen from Figure 5, the first flexible substrates 12 and second are flexible
Substrate 13 is contacted at both sides of the edge, forms a closed space, electric variable material layer 60 is wrapped in the closed space, examined
Consider the first flexible substrates 12 and the second flexible substrates 13 to be typically each made of organic material, organic material and organic material it
Between can reliable connection, therefore the first flexible substrates 12 and the second flexible substrates 13 cause the two when being contacted at both sides of the edge
Electric variable material layer 60 preferably, can tightly be wrapped up, effectively prevent the first flexible substrates 12, the second flexible substrates by binding ability
13 and electric variable material layer 60 each film layer between there is the phenomenon of film layer separation.In addition, the flexible base board 10 in the application
Realized by the way of Double-layer flexible substrate 11, Double-layer flexible substrate 11 can play dual barrier effect to moisture and oxygen,
The single-layer flexible substrate in bottom is produced and split when effectively preventing from removing flexible display panels 100 by laser in process of production
Line and cause moisture and oxygen to enter in the driving function layer 20 and light emitting functional layer 40 of flexible display panels 100, prevent moisture
Contacted with the related device in oxygen and driving function layer 20 and light emitting functional layer 40, it is to avoid these devices due to moisture oxygen
The possibility for contacting and failing.In addition, when needing to bend flexible display panels 100, in electric variable material layer 60
Memory material layer 62 produce corresponding deformation in the presence of the electric field that first electrode layer 61 and the second electrode lay 63 are provided, with
This simultaneously, the first flexible substrates 12 in the side of first electrode layer 61 and the in the side of the second electrode lay 63 second flexible base
Also under the drive of memory material layer 62 corresponding deformation can occur for bottom 13；When that need not bend, memory material layer 62 again can be the
Initial non-bending state is returned in the presence of the electric field that one electrode layer 61 and the second electrode lay 63 are provided, while in first
The first flexible substrates of side 12 of electrode layer 61 and the second flexible substrates 13 in the side of the second electrode lay 63 also can be in memory materials
Initial non-bending state is returned under the drive of the bed of material 62.In this way, the application is by controlling first electrode layer 61 and second electrode
The size and location of electric field between layer 63 just can control amplitude and the position of the bending of memory material layer 62, and then control first is soft
Property the amplitude that bends of substrate 12 and second flexible substrates 13 and position, therefore the electric variable material layer 60 that introduces of the application cause it is soft
Property display panel 100 bending become controllable, and cause flexible display panels 100 bending it is more flexible, and then cause this
The bending of flexible display panels 100 and flexible display apparatus in application realizes intellectuality.
Alternatively, at least one layer of electrode layer in the first electrode layer 61 and the second electrode lay 63 in the application is block electricity
Pole layer, block type electrode layer includes some electrode blocks 64 arranged in array way.
Fig. 6 show a kind of structural representation of electrode layer provided herein, and Fig. 7 show provided herein
Electrode layer in another structural representation of electrode layer, embodiment illustrated in fig. 6 includes some electrodes arranged in array way
Block 64, the electrode layer shown in Fig. 7 includes a whole plane-shape electrode 65.In actual applications, the first electrode layer 61 in the application can
Realized in the form of the block type electrode layer shown in Fig. 6, the second electrode lay 63 can use the shape of the whole plane-shape electrode 65 shown in Fig. 7
Formula realizes that referring to Fig. 8, Fig. 8 show a kind of profile of electric variable material layer provided herein, and the second electrode lay 63 is
During whole plane-shape electrode 65, moisture and oxygen can be effectively prevented to enter memory material layer 62 from the side of the whole plane-shape electrode 65
In, and first electrode layer 61 using by block type electrode that multiple electrodes block 64 is formed layer when, flexible substrates 11 can pass through bulk
Gap and the reliable contacts of electrode block 64 between electrode, it is to avoid block type electrode 64 comes off from flexible substrates.It is preferred that, electrode layer
Material be metal material or other lighttight conductive materials, so, when at least one layer of electrode layer be whole face when, can be more preferable
Prevent in process of production when flexible display panels are removed by the way of laser, the device that UV lamp is exposed on flexible base board
Component failure was caused when upper.
Certainly, in addition to above-mentioned implementation, Fig. 9 show the another of electric variable material layer provided herein and cutd open
Face figure, referring to Fig. 9, the first electrode layer 61 in the application can also be realized in the form of the whole plane-shape electrode 65 shown in Fig. 7, the
Two electrode layers 63 can also realize that the application is not especially limited to this in the form of the electrode block 64 shown in Fig. 6.
Alternatively, first electrode layer 61 and the second electrode lay 63 are included in block type electrode layer, first electrode layer 61
Electrode block 64 corresponded with the electrode block 64 included in the second electrode lay 63.
Specifically, Figure 10 is shown in another profile of electric variable material layer provided herein, the embodiment
First electrode layer 61 and the second electrode lay 63 realized in the form of the block type electrode layer shown in Fig. 6, and first electrode
The electrode block 64 that the electrode block 64 that layer 61 is included is included with the second electrode lay 63 is corresponded, in this way, respectively to first
When one-to-one electrode block 64 applies voltage in electrode layer 61 and the second electrode lay 63, between one-to-one electrode block 64
Corresponding electric field can be produced, to control memory material layer 62 corresponding with the two positions of electrode block 64 to deform upon.First
Electrode layer 61 and the second electrode lay 63, can be in diverse locations when being realized in the form of the electrode block 64 of array arrangement
The electric field that one-to-one electrode block 64 is produced individually is controlled, and so can be achieved to carry out different angles to memory material layer 62
The bending of different amplitudes, at the same time, corresponding deformation can be also produced with memory material 62 corresponding flexible substrates 11 of layer, so that
So that the bend mode of the application flexible display panels 100 becomes more flexible.In addition, by first electrode layer 61 and second electrode
Layer 63 in the form of the electrode block 64 of array arrangement when realizing, what is contacted with first electrode layer 61 and the second electrode lay 63 is soft
Property substrate can be reliably connected with first electrode layer 61 and the second electrode lay 63 respectively by the gap between electrode block 64, be had
Effect avoids the phenomenon that outlet first electrode layer 61 and the second electrode lay 63 come off from flexible substrates.
Alternatively, electrode block 64 is connected by lead 71 with control chip 70 respectively, a pair of lead 71 and electrode block 64 1
Should.
Specifically, Figure 11 show a kind of another top view of flexible display panels provided herein, and Figure 11 shows
The annexation of the electrode block 64 gone out in block type electrode and control chip 70, each electrode block 64 passes through a lead 71 and control
Coremaking piece 70 is electrically connected, in this way, control chip 70 can be realized by lead 71 to corresponding electrode block 64 transmission control signal
The independent control of each electrode block 64 of 70 pairs of control chip, such control chip 70 just can be by the independent of electrode block 64
The accurate control to the electric field of specified location is realized in control, so as to realize the bending position to the application flexible display panels 100
And the accurate control of bending amplitude, flexible display panels 100 are for example may be such that to produce corresponding two electrode blocks 64 of electric field
Centered on bent at any angle, hence in so that the bend mode of flexible display panels 100 is more diversified, Flexible Displays
The bending of panel 100 is more controllable and intellectuality.
Alternatively, at least one layer of electrode layer in first electrode layer 61 and the second electrode lay 63 is strip shaped electric poles layer, strip
Electrode layer includes some spaced and parallel strip shaped electric poles 73.
Specifically, Figure 12 show another structural representation of electrode layer provided herein, and Figure 13 show this
Apply for that the electrode layer in another profile of electric variable material layer provided, embodiment illustrated in fig. 12 is presented as strip shaped electric poles
Layer, the electrode layer includes some spaced and parallel strip shaped electric poles 73, and strip shaped electric poles 73 are arranged and along the in the first direction
Two directions extend.In practical application, first electrode layer 61 can be realized using the structure of strip shaped electric poles 73 shown in Figure 12, the second electricity
Pole layer 63 can be realized in the form of the whole plane-shape electrode 65 in embodiment illustrated in fig. 7, referring to Figure 13, be realized using such a mode
When, the deformation position of memory material depends on the position for the strip shaped electric poles 73 that control chip 70 is controlled, memory material layer 62
The bending of axle centered on deformation mode will be changed into the strip shaped electric poles 73 that are controlled by control chip 70.Certainly, except above-mentioned realization
Outside mode, the second electrode lay 63 can also be realized in the form of the block type electrode layer in embodiment illustrated in fig. 6, can also use Figure 12
The structure of shown strip shaped electric poles layer is realized.When any electrode layer in first electrode layer 61 and the second electrode lay 63 is using strip electricity
When the form of pole layer is realized, the flexible substrates contacted with first electrode layer 61 and the second electrode lay 63 also can be by strip shaped electric poles 73
Between gap realize be reliably connected with first electrode layer 61 and the second electrode lay 63 respectively, it is to avoid first electrode layer 61 and second
Electrode layer 63 comes off from flexible substrates.
Alternatively, first electrode layer 61 and the second electrode lay 63 are strip shaped electric poles layer, the electricity of first electrode layer 61 and second
Some first strip shaped electric poles 75 that one layer of electrode layer in pole layer 63 extends in a second direction including arranging in the first direction, it is another
Electrode layer includes extending in a first direction some second strip shaped electric poles 74 arranged in a second direction, first direction and second direction
Intersect.
Specifically, Figure 14 show the yet another construction schematic diagram of electrode layer provided herein, implements shown in Figure 12
Each strip shaped electric poles 73 in example are arranged in the first direction to be extended in a second direction, and each strip shaped electric poles in embodiment illustrated in fig. 14
74 extend in a first direction and arrange in a second direction.Figure 15 show two electrode layers provided herein and Figure 12 is respectively adopted
A kind of top view when being constituted with the strip shaped electric poles shown in Figure 14.Referring to Figure 15, when Figure 12 and figure is respectively adopted in two electrode layers
When the form of strip shaped electric poles 73 shown in 14 is realized, two electrode layers exist some in the orthographic projection of the place plane of flexible substrates 11
Overlapping region, control signal is sent in the first strip shaped electric poles 75 specified respectively into two electrode layers and the second strip shaped electric poles 74
When, it will corresponding electric field is produced in the overlapping region of specified the first strip shaped electric poles 75 and the second strip shaped electric poles 74, this is overlapped
Corresponding deformation will occur for the memory material layer 62 of region correspondence position, so can be achieved to flexible display panels 100
Crooked place and the control for bending amplitude.
Alternatively, strip shaped electric poles are connected by lead with control chip respectively, and lead is corresponded with strip shaped electric poles.
Specifically, referring to each strip shaped electric poles in Figure 15, the application includes the first strip shaped electric poles 75 and the second strip electricity
Pole 74 is connected to control chip 70 by lead 71 respectively, and control chip 70 can be to corresponding strip shaped electric poles point by lead 71
Control signal is not sent.When first electrode layer 61 and the second electrode lay 63 in the form of strip shaped electric poles when realizing, core is controlled
Piece 70 sends control signal by the strip shaped electric poles to specified location in two electrode layers respectively, you can to the two strip shaped electric poles
Overlapping region produce corresponding electric field, memory material layer 62 so corresponding with the overlapping region present position will produce phase
The deformation answered, such a mode can realize memory corresponding with the overlapping region position in the second electrode lay 63 to first electrode layer 61
The control of the deformation of material.
Alternatively, memory material layer 62 includes some memory material blocks 69 being arranged in array.
Specifically, Figure 16 show a kind of top view of memory material layer in the application.Memory material layer 62 in Figure 16
Including some memory material blocks 69 being arranged in array, memory material layer 62 is divided into some memory material blocks 69 by the application
When, the bending deformation of different angles is carried out centered on the memory material block 69 that memory material layer 62 can be different, so may be such that
The bending mode of flexible display panels 100 in the application is more flexible and changeable, is more beneficial for being lifted the experience effect of user.
Alternatively, first electrode layer 61 and the second electrode lay 63 include some in the orthographic projection of the place plane of flexible base board 10
Overlapping region, memory material block 69 is located in overlapping region respectively in the orthographic projection of the place plane of flexible base board 10.
By taking Figure 15 illustrated embodiments as an example, when the first electrode layer 61 and the second electrode lay 63 in the application are respectively adopted
When the form of strip shaped electric poles shown in Figure 12 and Figure 14 is realized, first electrode layer 61 and the second electrode lay 63 are in the institute of flexible base board 10
Include some overlapping regions in the orthographic projection of plane, referring to Figure 15, when the finger into first electrode layer 61 and the second electrode lay 63
When determining strip shaped electric poles transmission control signal, it will produce electric field specifying the overlapping region of strip shaped electric poles.The application will remember material
Material block 69 is arranged in overlapping region in the orthographic projection of the place plane of flexible base board 10, when some or certain several overlapping regions are produced
During raw electric field, the memory material block 69 in these overlapping regions can be sent out in the presence of the electric field produced by overlapping region
Raw Bending Deformation, so then realizes the Bending Deformation of the application flexible display panels 100.
Figure 17-1 is a kind of another sectional view of flexible display panels provided herein, referring to Figure 17-1, when this
First electrode layer 61 and the second electrode lay 63 in application are realized in the form of the electrode block 64 shown in Figure 11, memory material
Layer 62 in the form of the memory material block 69 shown in Figure 16 when being realized, first electrode layer 61 and the second electrode lay 63 are formed one by one
Corresponding multipair electrode block pair, memory material fast 69 is located between electrode block pair respectively, by being produced between coordination electrode block pair
Electric field, you can be controlled for the bending amplitude of the electrode block fast to corresponding memory material 69.In Figure 17-1, first is soft
Property substrate 12 and second flexible substrates 13 not only contacted at the marginal position of both sides, and can also be by between electrode block 64
Gap contact between gap and memory material block 69, it is contemplated that the first flexible substrates 12 and the second flexible substrates 13 are typically each
Be made of organic material, between organic material and organic material can reliable connection, it is soft that Figure 17-1 mode adds first
Contact area between the property flexible substrates 13 of substrate 12 and second so that between the first flexible substrates 12 and the second flexible substrates 13
Combination it is even closer reliable, while again can be reliably fixed by first electrode layer 61, memory material layer 62 and the second electrode lay 63,
The phenomenon of film layer separation is avoided to the full extent.
Alternatively, flexible display panels 100 also include the 3rd flexible substrates 14 and the 4th flexible substrates 15, the 3rd flexible base
Bottom 14 is located between first electrode layer 61 and memory material layer 62, and the 4th flexible substrates 15 are located at the second electrode lay 63 and memory material
Between the bed of material 62.
Specifically, Figure 17-2 show a kind of another sectional view of flexible display panels provided herein.From figure
17-2 can be seen that the flexible display panels 100 in the application include the first flexible substrates 12, first electrode layer the 61, the 3rd successively
Flexible substrates 14, the 62, the 4th flexible substrates 15 of memory material layer, the flexible substrates 13 of the second electrode lay 63 and second.3rd is soft
Property the flexible substrates 15 of substrate 14 and the 4th memory material layer is 62 fully wrapped around, the first flexible substrates 12, the second flexible substrates 13,
3rd flexible substrates 14 and the 4th flexible substrates 15 are contacted with each other in the position of both sides of the edge, and these flexible substrates are typically each used
Organic material is made, between organic material and organic material can reliable connection, therefore four layers of flexible substrates both sides of the edge position
Putting preferably to be fixed together, and it is flexible that the application introduces the 3rd between first electrode layer 61 and memory material layer 62
Substrate 14, and the 4th flexible substrates 15 are introduced between the second electrode lay 63 and memory material layer 62, utilize these flexible substrates
Between combination first electrode layer 61, memory material layer 62 and the second electrode lay 63 is reliably fixed, further avoid appearance
The phenomenon of film layer separation.
When at least one layer electrode layer uses non-whole planar in the first electrode layer 61 and the second electrode lay 63 in the application
When the form of electrode is realized, such as wherein one layer electrode layer is realized in the form of block type electrode or strip shaped electric poles, another electrode
Layer in the form of whole plane-shape electrode when realizing, it is contemplated that has gap between block type electrode or strip shaped electric poles, in the electrode layer
The flexible substrates of both sides can be in contact by the gap, it is contemplated that flexible substrates are generally constituted using organic material, You Jicai
The combination of material and organic material is more consolidated, and effectively prevents the phenomenon of film layer separation.Preferably, it is preferably to avoid film layer
Separation, first electrode layer 61 and the second electrode lay 63 in the application realized in the form of non-whole plane-shape electrode, such the
There is gap between electrode in one electrode layer 61 and the second electrode lay 63, referring to 17-2, such first flexible substrates 12,
The gap contact between electrode and jail can be passed through between two flexible substrates 13, the 3rd flexible substrates 14 and the 4th flexible substrates 15
Consolidation is closed, and first electrode layer 61, memory material layer 62 and the tight of the second electrode lay 63 are fixed, avoided to the full extent
The phenomenon of film layer separation.
Alternatively, flexible display panels 100 also include sensor and controller, and sensor is electrically connected with the controller, and sense
Device is used to sense the case of bending information of flexible display panels 100 and sends case of bending information to controller.
Specifically, flexible display panels 100 provided herein introduce sensor, when flexible display panels 100 occur
During bending, sensor can sense the case of bending of flexible display panels 100, and the case of bending is sent to controller.Control
Device can be electrically connected with the memory material layer 62 in the application, when controller receives case of bending, under the control of the controller,
Given voltage is optionally supplied to first electrode layer 61 and the second electrode lay 63 by power supply so that memory material layer 62 occurs
Bending.Case of bending herein can include angle of bend, bending retention time, the pressure of bending application etc..In the application
Controller can also determine user whether apply bending flexible display panels 100 external force, such as determine flexible display panels 100
Bent by user, then controller controllable power applies specific voltage to 63 layers of first electrode layer 61 and the second electrode lay and to remember
Recall material layer 62 to bend, such as determine that flexible display panels 100 are not bent by user, controller then performs aforesaid operations.
Alternatively, the sensor in the application is located at the non-display area 101 of flexible display panels, referring to Figure 18, Tu19He
Figure 20.Figure 18 show a kind of structural representation of sensor in a kind of flexible display panels provided herein, Tu19Suo
Another structural representation of sensor in a kind of flexible display panels provided herein is shown as, Figure 20 show the application
Another structural representation of sensor in a kind of flexible display panels provided.Sensor (81,82 and 83) is arranged at
Non-display area 101, the normal display of the application flexible display panels 100 is influenceed to avoid the introducing of sensor.
Alternatively, the sensor in the application is magnetic conductive graininess sensor, strip shaped electric poles formula sensor, ring-type electricity
Pole formula sensor, pressure sensor, bend sensor, one kind in range sensor or any several combination.
Specifically, referring to Figure 18, when using magnetic conductive graininess sensor 81, sensor can be arranged at flexible aobvious
Show the marginal position of panel 100, when flexible display panels 100 are bent, the magnetic-particle distance of opposite sides changes, it
Between gravitation change, controller sensing gravitation change, according to gravitation change detection flexible display panels 100 whether bend,
Controller is decided whether to apply voltage to first electrode layer and the second electrode lay and applies alive according to whether bending
Size.Referring to Figure 19, when using strip shaped electric poles formula sensor 82, strip shaped electric poles formula sensor 82 can be arranged on Flexible Displays
The offside edge of panel 100, when flexible display panels 100 are bent, the elongation of two lateral electrodes, resistance changes, controller sensing electricity
Resistive, detects whether flexible display panels 100 bend, controller is decided whether according to whether bending according to resistance variations
Apply voltage to first electrode layer and the second electrode lay and apply alive size.Referring to Figure 20, when using ring electrode formula
During sensor 83, it can be configured in the edge of flexible display panels 100, ring electrode extends when panel is bent, resistance hair
Raw to change, controller sensing resistance variations detect whether flexible display panels 100 bend according to resistance variations, controller according to
Whether bend and decide whether to apply voltage to first electrode layer and the second electrode lay and apply alive size.
Alternatively, the planar memory material layer in the application includes piezopolymer, dielectric actuator, electrostriction transplanting
One kind or any several combination in elastomer, liquid crystal elastic body or ferroelectric polymers.These materials are in such as voltage or electricity
It can reversibly shrink, expand or rotate in part under the outside stimulus such as stream, be that the electricity activated by applying electric field is living
Property polymer, rigidity and flexible conversion can be achieved under electric field or voltage effect, can be according to fold requirements in needs
Position fold or even crimped.
Based on same inventive concept, the application also provides a kind of flexible display apparatus.Figure 21 show provided herein
A kind of flexible display apparatus a kind of structural representation, referring to Figure 21, the flexible display apparatus 200 of the application, including flexibility
Display panel, the flexible display panels are the flexible display panels 100 provided in the above embodiments of the present application.The application is carried
The flexible display apparatus 200 of confession can be：Mobile phone, tablet personal computer, television set, display, notebook computer, DPF, lead
Navigate any products or part with real function such as instrument.The embodiment of flexible display apparatus 200 can be found in above-mentioned in the application
The embodiment of flexible display panels 100, repeating part, here is omitted.
By various embodiments above, the beneficial effect that the application is present is：
In flexible display panels provided by the present invention and flexible display apparatus, flexible display panels include flexible base board,
The flexible base board includes at least one layer of flexible substrates, and flexible display panels also include electric variable material layer, electric variable material layer bag
The first electrode layer set gradually, memory material layer and the second electrode lay are included, at least one layer of flexible substrates are located at electric changeable material
The surface and/or the surface of the second electrode lay side of first electrode layer side in layer.The application is introduced in flexible display panels
Electric variable material layer, and flexible substrates are arranged on to the surface of first electrode layer side in electric variable material layer, or be arranged on
The surface of the second electrode lay side in electric variable material layer, or in electric variable material layer the surface of first electrode layer side and
The surface of the second electrode lay side sets flexible substrates simultaneously, because the memory material layer in electric variable material layer is in first electrode
Deformation is provided in the presence of layer and the electric field that is provided of the second electrode lay and can be recovered, the application by control first electrode layer and
The size and location of electric field between the second electrode lay just can control amplitude and the position of memory material layer bending, and then control soft
Property substrate bending amplitude and position, therefore the application introduce electric variable material layer the bending of flexible display panels is become
It is controllable, and make it that the bending of flexible display panels is more flexible, and then cause the flexible display panels and flexibility in the application
The bending of display device realizes intellectuality.
Some preferred embodiments of the application have shown and described in described above, but as previously described, it should be understood that the application
Be not limited to form disclosed herein, be not to be taken as the exclusion to other embodiment, and available for various other combinations,
Modification and environment, and above-mentioned teaching or the technology or knowledge of association area can be passed through in invention contemplated scope described herein
It is modified., then all should be in this Shen and the change and change that those skilled in the art are carried out do not depart from spirit and scope
Please be in the protection domain of appended claims.
Claims (18)
1. a kind of flexible display panels, it is characterised in that including：
Flexible base board, the flexible base board includes at least one layer of flexible substrates；
Electric variable material layer, including first electrode layer, memory material layer and the second electrode lay set gradually, the memory material
Layer produces deformation in the presence of the electric field that the first electrode layer and the second electrode lay are provided and can recovered；
At least one layer of flexible substrates are located at the surface of first electrode layer side and/or institute described in the electric variable material layer
State the surface of the second electrode lay side.
2. flexible display panels according to claim 1, it is characterised in that：The flexible display panels also include control core
Piece and some leads, the control chip are electrically connected with the first electrode layer and the second electrode lay respectively by the lead
Connect.
3. flexible display panels according to claim 1, it is characterised in that：The first electrode layer and the second electrode
Layer is light-proof material.
4. flexible display panels according to claim 1, it is characterised in that：The flexible base board includes the first flexible substrates
With the second flexible substrates；
The flexible display panels include first flexible substrates, the first electrode layer, the memory material set gradually
The bed of material, the second electrode lay and second flexible substrates.
5. flexible display panels according to claim 2, it is characterised in that：The first electrode layer and the second electrode
At least one layer of electrode layer in layer is block type electrode layer, and the block type electrode layer includes some electrodes arranged in array way
Block.
6. flexible display panels according to claim 5, it is characterised in that：The first electrode layer and the second electrode
Layer is included in electrode block and the second electrode lay included in the block type electrode layer, the first electrode layer
Electrode block is corresponded.
7. flexible display panels according to claim 5, it is characterised in that：The electrode block respectively by the lead with
The control chip connection, the lead is corresponded with the electrode block.
8. flexible display panels according to claim 2, it is characterised in that：The first electrode layer and the second electrode
At least one layer of electrode layer in layer is strip shaped electric poles layer, and the strip shaped electric poles layer includes some spaced and parallel strip electricity
Pole.
9. flexible display panels according to claim 8, it is characterised in that：The first electrode layer and the second electrode
Layer is that one layer of electrode layer in strip shaped electric poles layer, the first electrode layer and the second electrode lay is included along first party
Some first strip shaped electric poles extended in a second direction to arrangement, another electrode layer includes extending in a first direction in a second direction
Some second strip shaped electric poles of arrangement, the first direction and the second direction are intersected.
10. flexible display panels according to claim 8, it is characterised in that：The strip shaped electric poles are drawn by described respectively
Line is connected with the control chip, and the lead is corresponded with the strip shaped electric poles.
11. flexible display panels according to claim 1, it is characterised in that：It is in battle array that the memory material layer, which includes some,
Arrange the memory material block of arrangement.
12. flexible display panels according to claim 11, it is characterised in that：The first electrode layer and second electricity
The orthographic projection of pole layer plane where the flexible base board includes some overlapping regions, and the memory material block is in the flexible base
The orthographic projection of plane is located in the overlapping region respectively where plate.
13. the flexible display panels according to claim 1 or 4, it is characterised in that：The flexible display panels also include the
Three flexible substrates and the 4th flexible substrates, the 3rd flexible substrates are located at the first electrode layer and the memory material layer
Between, the 4th flexible substrates are located between the second electrode lay and memory material layer.
14. flexible display panels according to claim 1, it is characterised in that：The flexible display panels also include sensing
Device and controller, the sensor are electrically connected with the controller, and the sensor is used for the bending for sensing the display panel
Status information simultaneously sends the case of bending information to the controller.
15. flexible display panels according to claim 14, it is characterised in that：The sensor is located at described non-display
Area.
16. flexible display panels according to claim 14, it is characterised in that：The sensor is magnetic conductive graininess
In sensor, strip shaped electric poles formula sensor, ring electrode formula sensor, pressure sensor, bend sensor, range sensor
A kind of or any several combination.
17. flexible display panels according to claim 1, it is characterised in that：Planar memory material layer includes piezo-polymeric
Thing, dielectric actuator, electrostriction transplanting elastomer, liquid crystal elastic body or one kind or any several group in ferroelectric polymers
Close.
18. a kind of flexible display apparatus, including flexible display panels, it is characterised in that the flexible display panels will for right
Seek the flexible display panels any one of 1 to 17.
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| CN201710517134.4A CN107170374A (en) | 2017-06-29 | 2017-06-29 | Flexible display panels and flexible display apparatus |
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|---|---|---|---|
| CN201710517134.4A CN107170374A (en) | 2017-06-29 | 2017-06-29 | Flexible display panels and flexible display apparatus |
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Application publication date: 20170915 |