CN107230429A - Flexible module and flexible display panels - Google Patents
Flexible module and flexible display panels Download PDFInfo
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- CN107230429A CN107230429A CN201710431117.9A CN201710431117A CN107230429A CN 107230429 A CN107230429 A CN 107230429A CN 201710431117 A CN201710431117 A CN 201710431117A CN 107230429 A CN107230429 A CN 107230429A
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- flexible module
- glue material
- adhesives
- bent area
- flexible
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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
Abstract
The invention discloses a kind of flexible module and flexible display panels.Flexible module includes the first flexible module part, the second flexible module part and bonding portion；Flexible module includes bent area and non-bent area, the bending axle of flexible module is extended in a first direction in bent area, bent area includes the first bent area and the second bent area, in a second direction, the distance of first bent area and bending axle is less than the second bent area and the distance of bending axle, and first direction is vertical with second direction；First bent area uses the first adhesives, second bent area uses the second adhesives, non- bent area uses the 3rd adhesives, first adhesives and the second adhesives compression strength are all higher than the 3rd adhesives compression strength, first adhesives and the second adhesives tensile strength are less than the 3rd adhesives tensile strength, and the modulus of elasticity of the first adhesives is less than the second adhesives modulus of elasticity.The flexible module overall mechanical strength is high, and buckle resistance can be strong.
Description
Technical field
The present invention relates to display technology field, more particularly, to a kind of flexible module and flexible display panels.
Background technology
Traditional flat panel display device technology development has reached its maturity, and flexible display panels by its is frivolous, bent,
Impact-resistant characteristic will turn into the main flow of display field.(Organic Light Emitting Display, have wherein OLED
Organic electro luminescent is shown) because with fast response time, wide visual angle, the high and low power consumption of brightness and selfluminous element, with bend resistance
The excellent properties such as characteristic, in recent years, one of focus as field of flexible display research.
In existing flexible display technologies, film stack is complicated in flexible module, and flexible module easily occurs after bending
Mechanical damage.Fig. 1 is by stress situation schematic diagram, as shown in figure 1, just being answered in the front of inflection point film after flexible module is bent
Power σ1Influence easily there is the problems such as die face fractures, ruptured, bent area edge by shearing stress σ2It is wrong that film layer easily occurs in influence
Position, or even there is the problems such as film intermediate peeling, foaming.
There is the scheme that each film layer structure is bonded using high glutinous high-elastic glue-line in the prior art, can using this kind of method
Divide flexible module neutral surface, play a part of the flexible module mechanical damage of reduction, but cost is higher.
Therefore it provides a kind of flexible module and flexible display panels, the mechanical strength for improving flexible module be this area urgently
To be solved the problem of.
The content of the invention
In view of this, the invention provides a kind of flexible module and flexible display panels, solve and improve in the prior art
Cost higher technical problem during the mechanical strength of flexible module.
The invention provides a kind of flexible module, the flexible module includes the first flexible module part, the second flexible module
Part and the bonding portion being arranged between the first flexible module part and the second flexible module part；Flexible module includes bending
Area and non-bent area, the bending axle of flexible module are extended in a first direction in bent area, bent area include the first bent area and
Second bent area, in a second direction, the distance of the first bent area and bending axle are less than the second bent area and the distance of bending axle,
Wherein, first direction is vertical with second direction；Bonding portion is made in the first bent area of the first adhesives, curved second
Folding area is made of the second adhesives, is made in non-bent area of the 3rd adhesives, wherein, the first adhesives and
The compression strength of two bonding materials is all higher than the tension of the compression strength of the 3rd adhesives, the first adhesives and the second bonding material
Intensity is respectively less than the tensile strength of the 3rd adhesives, and bullet of the modulus of elasticity less than the second adhesives of the first adhesives
Property modulus.
Optionally, bonding portion includes multiple strip glue material units.
Optionally, the bearing of trend of strip glue material unit is parallel with bending axle.
Optionally, flexible module includes multiple sub-pixels, and multiple sub-pixels are arranged along third direction and fourth direction respectively
Form pel array；Multiple strip glue material units extend along the 5th direction, and the 5th direction, fourth direction and third direction are not
Same direction.
Optionally, flexible module includes multiple sub-pixels, and multiple sub-pixels are arranged along third direction and fourth direction respectively
Form pel array；Multiple strip glue material units extend along third direction or fourth direction.
Optionally, strip glue material unit is integrally located in the dark space between the sub-pixel of flexible module.
Optionally, strip glue material unit covers the sub-pixel of multiple flexible modules, and the edge of strip glue material unit is located at
In dark space between sub-pixel.
Optionally, bonding portion includes multiple block glue material units.
Optionally, multiple block glue material unit random alignments.
Optionally, multiple block glue material cell sizes are identical, have interval between two neighboring block glue material unit, multiple
Block glue material unit is into array arrangement.
Optionally, flexible module includes multiple sub-pixels, and block glue material unit covers at least one sub-pixel, and block glue
The edge of material unit is located in the dark space between flexible die group sub-pixel.
Optionally, multiple sub-pixels arrange to form pel array along third direction and fourth direction respectively；
Block glue material unit is rectangle, and two vertical sides of block glue material unit are prolonged along the 6th direction and the 7th direction respectively
Stretch, the 6th direction, the 7th direction, fourth direction and third direction are different directions.
Optionally, block glue material unit is integrally located in the dark space between the sub-pixel of flexible module.
Optionally, flexible module includes viewing area and surrounds the rim area of viewing area；Bonding portion is located at rim area.
Optionally, flexible module also includes：Fill part, filling part is located at viewing area, filling part using grease or
Distributed mode pearl material is made.
Optionally, the thickness of bonding portion is equal to the thickness of filling part.
Optionally, flexible module include stack gradually the first diaphragm, first substrate, organic luminous layer, encapsulated layer, partially
Mating plate, the second diaphragm, touch control electrode layer and the 3rd diaphragm；Between first diaphragm and first substrate, encapsulated layer and polarisation
Bonding portion is provided between piece, between polaroid and the second diaphragm and/or between touch control electrode layer and the 3rd diaphragm.
Present invention also offers a kind of flexible display panels, the flexible display panels include above-mentioned any flexible module.
Compared with prior art, flexible module of the invention and flexible display panels, realize following beneficial effect：
The flexible module that the present invention is provided, without setting high glutinous high-elastic glue-line, but sets the first bonding of bent area
The compression strength of material and the second bonding material is all higher than the compression strength of the 3rd adhesives of non-bent area, improves bent area
Mechanical strength, set bent area the first adhesives and second bonding material tensile strength be respectively less than the 3rd of non-bent area
The tensile strength of adhesives, improves the mechanical strength of non-bent area, so that the overall mechanical strength of flexible module is improved,
Flexible module buckle resistance energy is improved, while setting the modulus of elasticity of the first adhesives to be less than the elasticity of the second adhesives
Modulus so that flexible module uniform force, so as to lift the durability of material.
By referring to the drawings to the detailed description of the exemplary embodiment of the present invention, further feature of the invention and its
Advantage will be made apparent from.
Brief description of the drawings
The accompanying drawing for being combined in the description and constituting a part for specification shows embodiments of the invention, and even
It is used for the principle for explaining the present invention together with its explanation.
Fig. 1 is by stress situation schematic diagram after flexible module is bent；
Fig. 2 is flexible module structural representation provided in an embodiment of the present invention；
Fig. 3 is a kind of schematic top plan view of optional embodiment of flexible module provided in an embodiment of the present invention；
Fig. 4 is the schematic cross-section of the flexible module shown in Fig. 3；
Fig. 5 is the bending state schematic diagram of flexible module provided in an embodiment of the present invention；
Fig. 6 a are a kind of optional embodiment arrangement of strip glue material unit in flexible module provided in an embodiment of the present invention
Schematic diagram；
Fig. 6 b are another optional embodiment row of strip glue material unit in flexible module provided in an embodiment of the present invention
Cloth schematic diagram；
Fig. 6 c are another optional embodiment row of strip glue material unit in flexible module provided in an embodiment of the present invention
Cloth schematic diagram；
Fig. 7 is a kind of arrangement of optional embodiment of strip glue material unit in flexible module provided in an embodiment of the present invention
Schematic diagram；
Fig. 8 is the row of another optional embodiment of strip glue material unit in flexible module provided in an embodiment of the present invention
Cloth schematic diagram；
Fig. 9 is the row of another optional embodiment of strip glue material unit in flexible module provided in an embodiment of the present invention
Cloth schematic diagram；
Figure 10 is another optional embodiment of strip glue material unit in flexible module provided in an embodiment of the present invention
Arrangement schematic diagram；
Figure 11 is a kind of row of optional embodiment of block glue material unit in flexible module provided in an embodiment of the present invention
Cloth schematic diagram；
Figure 12 is another optional embodiment of block glue material unit in flexible module provided in an embodiment of the present invention
Arrangement schematic diagram；
Figure 13 is another optional embodiment of block glue material unit in flexible module provided in an embodiment of the present invention
Arrangement schematic diagram；
Figure 14 is located at rim area schematic diagram for bonding portion in flexible module provided in an embodiment of the present invention；
Figure 15 is the film stack structural representation of flexible module provided in an embodiment of the present invention.
Embodiment
The various exemplary embodiments of the present invention are described in detail now with reference to accompanying drawing.It should be noted that：Unless had in addition
Body illustrates that the part and the positioned opposite of step, numerical expression and numerical value otherwise illustrated in these embodiments does not limit this
The scope of invention.
The description only actually at least one exemplary embodiment is illustrative below, never as to the present invention
And its any limitation applied or used.
It may be not discussed in detail for technology, method and apparatus known to person of ordinary skill in the relevant, but suitable
In the case of, the technology, method and apparatus should be considered as a part for specification.
In shown here and discussion all examples, any occurrence should be construed as merely exemplary, without
It is as limitation.Therefore, other examples of exemplary embodiment can have different values.
It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined, then it need not be further discussed in subsequent accompanying drawing in individual accompanying drawing.
The embodiment of the present invention provides a kind of flexible module, as shown in Fig. 2 soft including the first flexible module part 11, second
Property the module part 12 and bonding portion 13 that is arranged between the first flexible module part 12 in flexible module part 11 and second；Example
Such as：First flexible module part 11 can be touch control electrode, and the second flexible module part 12 is diaphragm；Or first flexible die
Group part 11 is the encapsulated layer of OLED, and the second flexible module part 12 is polaroid, in a word, the first flexible module part 11
With the second flexible module part 12 to need two Rotating fields of bonding in flexible module.
Flexible module includes bent area and non-bent area, and the bending axle of flexible module prolongs in the first direction in bent area
Stretch, bent area includes the first bent area and the second bent area, in a second direction, the first bent area is less than with bending the distance of axle
Second bent area and the distance of bending axle, wherein, first direction is vertical with second direction；The embodiment of the present invention is to bent area and non-
The number of bent area and position are not limited, and flexible module can have multiple bent areas and multiple non-bent areas, in each bending
There is bending axle in area.
Specifically, a kind of schematic top plan view of optional embodiment of flexible module provided in an embodiment of the present invention is as schemed
Shown in 3, flexible module includes bent area Z and non-bent area F, the bending axle S of the flexible module a in the first direction in the Z of bent area
Extension, bent area Z includes the first bent area Z1 and the second bent area Z2, and the first bent area Z1 is symmetrical arranged in bending axle S both sides
With the second bent area Z2, on second direction b, the first bent area Z1 and bend axle S distance be less than the second bent area Z2 with it is curved
Axle S distance is rolled over, wherein, first direction a is vertical with second direction b.
Schematic cross-section of the flexible module along A-A directions shown in Fig. 3 is as shown in figure 4, bonding portion is in the first bent area
Z1 is made of the first adhesives N1, is made in the second bent area Z2 of the second adhesives N2, is used in non-bent area F
3rd adhesives N3 is made, wherein, the first adhesives N1 and the second adhesives N2 compression strength are all higher than the 3rd and glued
Connect material N3 compression strength, the first adhesives N1 and the second adhesives N2 tensile strength are respectively less than the 3rd adhesives
N3 tensile strength, and the first adhesives N1 elastic modulus E 2 of the elastic modulus E 1 less than the second adhesives N2.
The first adhesives N1 and the second adhesives N2 compression strength is set to be all higher than the anti-of the 3rd adhesives N3
Compressive Strength, when flexible module is in bending state, bent area Z is primarily subjected to compression, and the first adhesives N1 and second glues
Connect that elastic deformations of the material N2 after compression is big and plastic deformation is small, improve bent area Z mechanical strength, reduce die face folding
Disconnected or rupture risk；Meanwhile, set the first adhesives N1 and the second adhesives N2 tensile strength to be respectively less than the 3rd and glue
Material N3 tensile strength is connect, when flexible module is in bending state, non-bent area F is primarily subjected to shearing stress, the 3rd bonding
The big plastic deformation of elastic deformation is small after material N3 tensions and adhesion with module part is strong, improves non-bent area F machinery
Intensity, reduces film layer dislocation, or even film intermediate peeling, the risk of foaming occur.
The bending state schematic diagram of flexible module provided in an embodiment of the present invention, as shown in figure 5,
In flexible module, in order to ensure the planarization of flexible module, the first flexible module part is arranged at and second soft
Property module part between the thickness of bonding portion be homogeneous, i.e., bent area Z and non-curved when flexible module is in formation state
The thickness d of folding area F binding material is identical, when flexible module is in bending state, due to the effect of being under pressure, the first bending
The first binding material N1 thickness in area is changed into d1, and second bent area the second binding material N2 thickness is changed into d2, wherein d1<d2<d.
According to Stress calculation formula：σ=E* ε, wherein, E be modulus of elasticity be material build-in attribute, ε for material by
Strain after stress is △ d/d.
The first adhesives N1 elastic modulus E 1 is set to be less than the second adhesives N2 elastic modulus E 2, to ensure
The stress intensity phase that E1* (d-d1)/d=E2* (d-d2)/d, i.e. the first adhesives N1 and the second adhesives N2 are born
Deng so that flexible module uniform force, so as to lift the durability of material.
It should be noted that the flexible module that the present invention is provided is not limited to only set above two to bond material in bent area
Material, as the distance away from bending axle is different, the modulus of elasticity respective change of adhesives, the diverse location in bent area, according to
The different binding material of bending situation selection modulus of elasticity, with lifted flexible module stress uniformity design in the present invention
Within the scope of protection.
The flexible module that the embodiment is provided, sets the first adhesives of bent area and the compression strength of the second bonding material
The compression strength of the 3rd adhesives of non-bent area is all higher than, the mechanical strength of bent area is improved, the of bent area is set
The tensile strength of one adhesives and the second bonding material is respectively less than the tensile strength of the 3rd adhesives of non-bent area, improves
The mechanical strength of non-bent area, so as to improve the overall mechanical strength of flexible module, improves flexible module buckle resistance energy,
The modulus of elasticity of the first adhesives is set to be less than the modulus of elasticity of the second adhesives simultaneously so that flexible module stress is equal
It is even, so as to lift the durability of material.
Further, in some optional embodiments, bonding portion includes multiple strip glue material units.For strip
Size, quantity and the arrangement mode of glue material unit are not limited, and adhesive segment can include multiple rules are arranged or nothing
The size identical strip glue material unit of rule arrangement, or adhesive segment can also be including the arrangements of multiple rules or random
The strip glue material unit not of uniform size of arrangement is restrained, wherein, strip glue material unit can be integrally that single binding material makes,
Or strip glue material unit is made by a variety of different binding materials.
Optionally, in this embodiment, strip glue material unit is integrally located at the dark space between the sub-pixel of flexible module
It is interior.Strip glue material unit is wholy set in dark space, and while lifting flexibility module buckle resistance energy, the aobvious of flexible module is not influenceed
Show effect.
Optionally, in this embodiment, strip glue material unit can cover the sub-pixel of multiple flexible modules, and strip
The edge of glue material unit is located in the dark space between sub-pixel.Set the edge of strip glue material unit dark between sub-pixel
In area, it is ensured that the sub-pixel iuuminting rate of strip glue material unit covering is identical, it is ensured that flexible module brightness is homogeneous, mitigates bar
Influence of the shape glue material unit to visual effect.
Further, in some optional embodiments, the bearing of trend of strip glue material unit is parallel with bending axle.It is right
Do not limited in the size and arrangement mode of strip glue material unit, the arrangement of strip glue material unit can be such as Fig. 6 a and Fig. 6 b institutes
Show, the bearing of trend of strip glue material unit 101 is parallel with bending axle S, the arrangement of the rule of size identical strip glue material unit 101,
Or as fig. 6 c, the irregular arrangement of strip glue material unit 101 of different sizes.
On the one hand, set the bearing of trend of strip glue material unit parallel with bending axle, be conducive in bent area diverse location
The strip glue material unit for setting different binding materials to make, a strip glue material unit can have been made by single binding material
Into manufacture craft is simple；On the other hand, due to strip glue material unit with bending axle it is parallel, strip glue material unit with bending axle it
Between distance it is equal, be folded in flexible module in journey, whole strip glue material unit uniform force, so that strip glue material unit
Durability.
Further, in some optional embodiments, as shown in fig. 7, flexible module includes multiple sub-pixels 102,
Multiple sub-pixels 102 arrange to form pel array along third direction e and fourth direction f respectively, multiple edges of strip glue material unit 101
5th direction g extends, and the 5th direction g, fourth direction f and third direction e are that illustrate only third party in different directions, figure
To e, fourth direction f and the 5th direction g a kind of optional situation.
Set arragement direction and the pixel arrangement direction of strip glue material at an angle, i.e. the arragement direction of strip glue material
Intersect with pixel arrangement direction, be conducive to mitigating the moire fringes phenomenon of flexible module viewing area, a mole phenomenon is that a kind of vision shows
As the interference fringe occurred on the object for have certain intervals, two angled grid superpositions can mitigate interference fringe.
Further, in some optional embodiments, flexible module includes multiple sub-pixels, multiple sub-pixel difference
Arrange to form pel array along third direction and fourth direction, multiple strip glue material units prolong along third direction or fourth direction
Stretch.Strip glue material unit can be set only to extend along third direction or only extend along fourth direction, or in flexible module simultaneously
The strip glue material unit for extending along third direction and extending along fourth direction is set, while the big I of multiple strip glue material units
With difference.
Optionally, in the embodiment, the arrangement of strip glue material unit can be with as shown in figure 8, flexible module includes many height
Pixel 102, multiple sub-pixels 102 arrange to form pel array along third direction e and fourth direction f respectively, strip glue material unit
Extend along fourth direction f, strip glue material unit 101 is integrally located in the dark space between the sub-pixel 102 of flexible module, lifted soft
While property module buckle resistance energy, the display effect of flexible module is not influenceed.
Optionally, in the embodiment, the arrangement of strip glue material unit can be with as shown in figure 9, flexible module includes many height
Pixel 102, multiple sub-pixels 102 arrange to form pel array along third direction e and fourth direction f respectively, strip glue material unit
Extend along fourth direction f, strip glue material unit 101 covers the sub-pixel 102 of multiple flexible modules, and strip glue material unit 101
Edge be located at sub-pixel 102 between dark space in.The edge of strip glue material unit 101 is set to be located between sub-pixel 102
In dark space, it is ensured that the iuuminting rate of sub-pixel 102 that strip glue material unit 101 is covered is identical, it is ensured that flexible module brightness is equal
One, mitigate influence of the strip glue material unit to visual effect.
Further, in some optional embodiments, the arrangement of strip glue material unit can be as shown in Figure 10, flexible die
Group includes multiple sub-pixels 102, and multiple sub-pixels 102 are arranged along third direction e and fourth direction f respectively and to form pel array,
Strip glue material unit 101 extends along third direction e, the fraction of strip glue material unit 101 covering sub-pixel 102, strip glue material list
Member 101 is predominantly located in the dark space between sub-pixel 102.The flexible module that the embodiment is provided, reduces technology difficulty, saves
Production cost, while disclosure satisfy that the uniformity requirement of the flexible module stress of lifting.
Further, in some optional embodiments, bonding portion includes multiple block glue material units.For bulk
The size and number of glue material unit is not limited, and block glue material can be integrally that single binding material makes, or block glue
Material unit is made by a variety of different binding materials.
Further, in flexible module multiple block glue material units can with random alignment, or, multiple block glue material units
Size is identical, has interval between two neighboring block glue material unit, and multiple block glue material units are into array arrangement.
Further, in some optional embodiments, block glue material unit 103 is integrally located at the sub- picture of flexible module
In dark space between element 102, as shown in figure 11.Block glue material unit is wholy set in dark space, the flexible module buckle resistance of lifting
While energy, the display effect of flexible module is not influenceed.
Further, in some optional embodiments, flexible module includes multiple sub-pixels, and block glue material unit covers
At least one sub-pixel is covered, and the edge of block glue material unit is located in the dark space between flexible die group sub-pixel.Specifically, block
The situation that shape glue material unit 103 covers three sub-pixels 102 is as shown in figure 12.The edge of block glue material unit 103 is set to be located at
In dark space between sub-pixel 102, it is ensured that the iuuminting rate of sub-pixel 102 that block glue material unit 103 is covered is identical, it is ensured that
Flexible module brightness is homogeneous, mitigates influence of the block glue material unit to visual effect.
Further, in some optional embodiments, as shown at 13, there are multiple sons of different sizes in flexible module
Pixel 102 is arranged along third direction e and fourth direction f respectively and to form pel array；Block glue material unit 103 is rectangle, block
Two vertical sides of glue material unit 103 extend along the 6th direction i and the 7th direction j respectively, the 6th direction i, the 7th direction j, the
Four direction f and third direction e are different directions, and block glue material unit 103 covers many sub-pixels 102, and block glue material list
The edge of member 103 is located in the dark space between flexible die group sub-pixel 102.The arragement direction and pixel arrangement of block glue material are set
Direction is at an angle, is conducive to mitigating the moire fringes phenomenon of flexible module viewing area.
Further, in some optional embodiments, as shown in figure 14, flexible module includes viewing area AA and encirclement
Viewing area AA rim area BA；Bonding portion 13 is located at rim area BA.Adhesive segment 13 is arranged on rim area BA, improves flexibility
While module buckle resistance energy, the use of binding material is saved, production cost is reduced.
Further, in some optional embodiments, as shown in figure 14, flexible module also includes：Part 14 is filled,
Wherein strip filling pattern represents to fill part 14, and filling part 14 is located at viewing area AA, and filling part 14 is using grease or dissipates
Cloth pearl material is made.Optionally, the thickness of bonding portion 13 is equal to the thickness of filling part 14.Positioned at viewing area AA filling
Part 14, serves support film layer, weakens the effect of interfacial friction, while can also play slow when flexible panel is impacted
Punching is acted on.
Further, in some optional embodiments, the film stack structure of flexible module is as shown in figure 15, flexible
Module includes the first diaphragm 104, first substrate 105, organic luminous layer 106, encapsulated layer 107, the polaroid stacked gradually
108th, the second diaphragm 109, the diaphragm 111 of touch control electrode layer 110 and the 3rd；The setting of adhesive segment 13 includes a variety of situations,
Alternatively, as shown in figure 15, between the first diaphragm 104 and first substrate 105, between encapsulated layer 107 and polaroid 108,
While being provided with Nian Jie between touch control electrode layer 110 and the 3rd diaphragm 111 between polaroid 108 and the second diaphragm 109
Part 13, or bonding portion 13 is only provided between the film layer of part.
The embodiment of the present invention also provides a kind of flexible panel, including the flexible module described in above-described embodiment.The present invention is carried
The flexible panel overall mechanical strength of confession is high, and buckle resistance can be good.
By above-described embodiment, flexible module of the invention and flexible display panels have reached following beneficial effect
Really：
The flexible module that the present invention is provided, without setting high glutinous high-elastic glue-line, but sets the first bonding of bent area
The compression strength of material and the second bonding material is all higher than the compression strength of the 3rd adhesives of non-bent area, improves bent area
Mechanical strength, set bent area the first adhesives and second bonding material tensile strength be respectively less than the 3rd of non-bent area
The tensile strength of adhesives, improves the mechanical strength of non-bent area, so that the overall mechanical strength of flexible module is improved,
Flexible module buckle resistance energy is improved, while setting the modulus of elasticity of the first adhesives to be less than the elasticity of the second adhesives
Modulus so that flexible module uniform force, so as to lift the durability of material.
Although some specific embodiments of the present invention are described in detail by example, the skill of this area
Art personnel are it should be understood that example above is merely to illustrate, the scope being not intended to be limiting of the invention.The skill of this area
Art personnel to above example it should be understood that can modify without departing from the scope and spirit of the present invention.This hair
Bright scope is defined by the following claims.
Claims (18)
1. a kind of flexible module, it is characterised in that
Flexible module includes the first flexible module part, the second flexible module part and is arranged at the described first flexible module part
With the bonding portion between the described second flexible module part；
The flexible module includes bent area and non-bent area, and the bending axle of the flexible module is in the bent area along first
Direction extends, and the bent area includes the first bent area and the second bent area, in a second direction, first bent area and institute
The distance for stating bending axle is less than second bent area and the distance of the bending axle, wherein, the first direction and described the
Two directions are vertical；
The bonding portion is made in first bent area of the first adhesives, and second is used in second bent area
Adhesives is made, and is made in the non-bent area of the 3rd adhesives, wherein, first adhesives and described
The compression strength of two adhesives is all higher than the compression strength of the 3rd adhesives, first adhesives and described
The tensile strength of two adhesives is respectively less than the tensile strength of the 3rd adhesives, and the elasticity of first adhesives
Modulus is less than the modulus of elasticity of second adhesives.
2. flexible module according to claim 1, it is characterised in that the bonding portion includes multiple strip glue material lists
Member.
3. flexible module according to claim 2, it is characterised in that the bearing of trend of the strip glue material unit with it is described
Bend axle parallel.
4. flexible module according to claim 2, it is characterised in that
The flexible module includes multiple sub-pixels, and the multiple sub-pixel arranges to be formed along third direction and fourth direction respectively
Pel array；
The multiple strip glue material unit extends along the 5th direction, the 5th direction, the fourth direction and the third party
To being different directions.
5. flexible module according to claim 2, it is characterised in that
The flexible module includes multiple sub-pixels, and the multiple sub-pixel arranges to be formed along third direction and fourth direction respectively
Pel array；
The multiple strip glue material unit extends along the third direction or the fourth direction.
6. the flexible module according to any one of claim 2 to 5, it is characterised in that the strip glue material unit is overall
In dark space between the sub-pixel of the flexible module.
7. the flexible module according to any one of claim 2 to 5, it is characterised in that the strip glue material unit covering
The sub-pixel of multiple flexible modules, and the strip glue material unit edge be located at the sub-pixel between dark space in.
8. flexible module according to claim 1, it is characterised in that the bonding portion includes multiple block glue material lists
Member.
9. flexible module according to claim 8, it is characterised in that the multiple block glue material unit random alignment.
10. flexible module according to claim 8, it is characterised in that the multiple block glue material cell size is identical, phase
There is interval, the multiple block glue material unit is into array arrangement between adjacent two block glue material units.
11. the flexible module according to any one of claim 8 to 10, it is characterised in that the flexible module includes many
Individual sub-pixel, the block glue material unit covers at least one described sub-pixel, and the edge of the block glue material unit is located at
In dark space between the flexible module sub-pixel.
12. flexible module according to claim 11, it is characterised in that
The multiple sub-pixel arranges to form pel array along third direction and fourth direction respectively；
The block glue material unit is rectangle, and two vertical sides of the block glue material unit are respectively along the 6th direction and the 7th side
To extension, the 6th direction, the 7th direction, the fourth direction and the third direction are different directions.
13. the flexible module according to any one of claim 8 to 10, it is characterised in that the block glue material unit is whole
Body is located in the dark space between the sub-pixel of the flexible module.
14. flexible module according to claim 1, it is characterised in that
The flexible module includes viewing area and surrounds the rim area of the viewing area；
The bonding portion is located at the rim area.
15. flexible module according to claim 14, it is characterised in that the flexible module also includes：
Part is filled, the filling part is located at the viewing area, and the filling part uses grease or distributed mode pearl material system
Into.
16. flexible module according to claim 15, it is characterised in that the thickness of the bonding portion is equal to the filling
Partial thickness.
17. flexible module according to claim 1, it is characterised in that
The first diaphragm that the flexible module includes stacking gradually, first substrate, organic luminous layer, encapsulated layer, polaroid, the
Two diaphragms, touch control electrode layer and the 3rd diaphragm；
Between first diaphragm and the first substrate, between the encapsulated layer and the polaroid, the polaroid with
The bonding portion is provided between second diaphragm and/or between the touch control electrode layer and the 3rd diaphragm.
18. a kind of flexible panel, it is characterised in that including the flexible module any one of claim 1 to 17.
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| CN201710431117.9A CN107230429B (en) | 2017-06-08 | 2017-06-08 | Flexible die group and flexible display panels |
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| CN201710431117.9A CN107230429B (en) | 2017-06-08 | 2017-06-08 | Flexible die group and flexible display panels |
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| CN107230429B CN107230429B (en) | 2019-06-25 |
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| CN114170901B (en) * | 2021-11-30 | 2024-04-16 | 湖北长江新型显示产业创新中心有限公司 | Display panel and display device |
| CN114267257A (en) * | 2021-12-31 | 2022-04-01 | 武汉天马微电子有限公司 | Flexible display screen |
| CN114360381A (en) * | 2022-01-07 | 2022-04-15 | 深圳市华星光电半导体显示技术有限公司 | Flexible display module and mobile terminal |
| CN114360381B (en) * | 2022-01-07 | 2023-11-28 | 深圳市华星光电半导体显示技术有限公司 | Flexible display module and mobile terminal |
| CN114783293A (en) * | 2022-04-21 | 2022-07-22 | 武汉天马微电子有限公司 | Display module and display device |
| CN114783293B (en) * | 2022-04-21 | 2023-09-12 | 武汉天马微电子有限公司 | Display module and display device |
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| CN107230429B (en) | 2019-06-25 |
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