CN109994606A - Flexible display panels - Google Patents
Flexible display panels Download PDFInfo
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- CN109994606A CN109994606A CN201910239984.1A CN201910239984A CN109994606A CN 109994606 A CN109994606 A CN 109994606A CN 201910239984 A CN201910239984 A CN 201910239984A CN 109994606 A CN109994606 A CN 109994606A
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- backboard
- display panels
- flexible display
- area
- base board
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- 239000000463 material Substances 0.000 claims description 20
- 239000003292 glue Substances 0.000 claims description 7
- 239000002184 metal Substances 0.000 abstract description 32
- 238000005452 bending Methods 0.000 abstract description 17
- 238000002360 preparation method Methods 0.000 abstract description 13
- 230000003139 buffering effect Effects 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 18
- 239000000758 substrate Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 229920000139 polyethylene terephthalate Polymers 0.000 description 2
- 239000005020 polyethylene terephthalate Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- -1 Polyethylene Terephthalate Polymers 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/10—OLED displays
- H10K59/12—Active-matrix OLED [AMOLED] displays
- H10K59/131—Interconnections, e.g. wiring lines or terminals
-
- 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
- G09F9/33—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 being semiconductor devices, e.g. diodes
- G09F9/335—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 being semiconductor devices, e.g. diodes being organic light emitting diodes [OLED]
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/10—OLED displays
- H10K59/12—Active-matrix OLED [AMOLED] displays
- H10K59/124—Insulating layers formed between TFT elements and OLED elements
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/80—Constructional details
- H10K59/87—Passivation; Containers; Encapsulations
- H10K59/873—Encapsulations
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/549—Organic PV cells
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Optics & Photonics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Electroluminescent Light Sources (AREA)
Abstract
Flexible display panels provided by the present application and preparation method thereof, the flexible display panels include: flexible base board, and the flexible base board includes bent area and the firstth area；First backboard, first backboard are correspondingly arranged in the firstth area of the flexible base board；First buffer part, first buffer part is arranged on first backboard, and first buffer part extends to the bent area along the edge of first backboard.The first buffer part is arranged in the application on the first backboard, and when flexible display panels bending, which can be used for buffering stress when display panel bending, so that the risk of metal routing or lead rupture in flexible display panels greatly reduces.It is thus possible to improve the product yield of flexible display panels.
Description
Technical field
This application involves field of display technology, and in particular to a kind of flexible display panels.
Background technique
Organic Light Emitting Diode (Organic Light Emitting Diode, OLED) is used as a kind of current mode photophore
Part.Because it has many advantages, such as that self-luminous, rich in color, fast response time, visual angle are wide, light-weight and can be made into flexible display screen
And it receives significant attention.
It, usually will be between display panel and drive circuit board in order to realize narrow frame in flexible OLED display
Join domain is reversely bent.However, easily lead to the metal routing or lead rupture on display panel in the process of bending,
To reduce the product yield of display panel.
Summary of the invention
The embodiment of the present application provides a kind of flexible display panels and preparation method thereof, can reduce the metal on display panel
The risk of cabling or lead rupture, to improve the product yield of display panel.
In a first aspect, this application provides flexible kind of a display panels, comprising:
Flexible base board, the flexible base board include the firstth area and bent area；
First backboard, first backboard are correspondingly arranged in the firstth area of the flexible base board；
First buffer part, first buffer part are arranged on first backboard, and first buffer part is described in
The edge of first backboard extends to the bent area.
In the flexible display panels of the application, first buffer part includes the first main part and the first extension；
Wherein, first main part is arranged on first backboard, and first extension is along first backboard
Edge setting and be in contact with the flexible base board, first extension is connected with one end of first main part.
In the flexible display panels of the application, first backboard includes the first backplane region interconnected and second
Backplane region, the flexible base board further include routing region, and the routing region is between firstth area and bent area；
Wherein, firstth area display area is corresponding with first backplane region, the routing region and described second
Backplane region is corresponding, and first main part is arranged in second backplane region, and first extension is arranged described
On bent area.
In the flexible display panels of the application, the flexible display panels further include being arranged on first backboard
Buffer layer；Wherein,
The buffer layer is arranged on first main part, and extends to described the along the edge of first main part
On one backboard；
Alternatively, the buffer layer is arranged between first main part and first backboard and the buffer part covers
First backboard.
In the flexible display panels of the application, the buffer layer in second backplane region is set in first back
Orthographic projection on plate is overlapped with orthographic projection of first main part on first backboard.
In the flexible display panels of the application, the side of the first backboard towards the bent area is arranged to inclined-plane knot
Structure.
In the flexible display panels of the application, the flexible base board further includes close to the bent area and far from described the
Secondth area in one area, the flexible display panels further include being arranged in secondth area and towards the second of first backboard
Backboard and the second buffer part；
Wherein, second buffer part is arranged on second backboard, and second buffer part is along second back
The edge of plate extends to the bent area.
In the flexible display panels of the application, second buffer part includes the second main part and the second extension；
Wherein, second main part is correspondingly arranged in secondth area, and the bending is arranged in second extension
Qu Shang, and second extension is connected with one end of second main part.
In the flexible display panels of the application, the flexible display panels further include glue-line, and the glue-line is for protecting
The flexible base board, the flexible base board include the first surface and second surface being oppositely arranged；
Wherein, on the first surface, first backboard is arranged on the second surface, institute for the glue-line setting
The elasticity modulus for stating glue-line is greater than or equal to the elasticity modulus of first buffer part.
In the flexible display panels of the application, the radius of curvature of the bent area is greater than the thickness of first buffer part
Degree.
In the flexible display panels of the application, the material of first buffer part is high molecular material.
Second aspect, the application provide a kind of preparation method of flexible display panels, comprising:
A flexible display panels are provided, the flexible display panels include flexible base board, and setting is in the flexible base
The first backboard and the second backboard on plate second surface；
High molecular material is applied on the flexible base board, the first backboard and the second backboard, respectively in first back
The first buffer part and the second buffer part are formed on plate and the second backboard.
Flexible display panels provided by the present application and preparation method thereof, by the way that the first buffer part is arranged on the first backboard,
When flexible display panels bending, which can be used for buffering stress when display panel bending, so that flexible aobvious
Show that the risk of metal routing or lead rupture on panel greatly reduces, and then the product that flexible display panels can be improved is good
Rate.
Detailed description of the invention
It, below will be to embodiment or the prior art in order to illustrate more clearly of embodiment or technical solution in the prior art
Attached drawing needed in description is briefly described, it should be apparent that, the accompanying drawings in the following description is only some of application
Embodiment for those of ordinary skill in the art without creative efforts, can also be attached according to these
Figure obtains other attached drawings.
Fig. 1 is the structural schematic diagram of the first embodiment of flexible display panels provided by the present application；
Fig. 2 is that the a-quadrant of the flexible display panels in Fig. 1 is in structural schematic diagram when tiling；
Fig. 3 is the structural schematic diagram of second of embodiment of flexible display panels provided by the present application；
Fig. 4 is that the a-quadrant of the flexible display panels in Fig. 3 is in structural schematic diagram when tiling；
Fig. 5 is the structural schematic diagram of the third embodiment of flexible display panels provided by the present application；
Fig. 6 is that the a-quadrant of the flexible display panels in Fig. 5 is in structural schematic diagram when tiling；
Fig. 7 is the flow diagram of the preparation method of flexible display panels provided by the present application；
Fig. 8 is the first embodiment that the first buffer part and the second buffer part are formed in preparation method provided by the present application
Flow diagram；
Fig. 9 is second of embodiment that the first buffer part and the second buffer part are formed in preparation method provided by the present application
Flow diagram.
Specific embodiment
Fig. 1 and Fig. 2 is please referred to, Fig. 1 is the structure of the first embodiment of flexible display panels provided by the present application
Schematic diagram, Fig. 2 are that the a-quadrant of the flexible display panels in Fig. 1 is in structural schematic diagram when tiling.
The application provides a kind of flexible display panels 1, including flexible base board 10, the first backboard 21 and the first buffer part
31.Flexible base board 10 includes bent area 11 and the first area 12.First backboard 21 is arranged in the first area 12 of flexible base board 1.The
One buffer part 31 is arranged on the first backboard 21, and first buffer part 31 extends to bent area along the edge of the first backboard 21
11。
For example, the flexible base board 10 is polyimides (Polymide, PI) substrate.The PI substrate 10 according to actual needs may be used
To include various circuit structures and/or board structure.First backboard 21 can be polyester sheet (Polyethylene
Terephthalate, PET).The material of first buffer part 31 is high molecular material, such as uv-curable glue.First buffer part
31 are arranged along the edge of the first backboard 21, and the first buffer part of part 31 is contacted with the bent area 11 of flexible base board 10.
It should be noted that i.e. bent area 11 can be according to practical need since bent area 11 has certain bending performance
It is bent into specific radian, to reduce the frame size after bending.However, when flexible base board 10 is bent, due in the first back
The stress that plate 21 and the intersection in the first area 12 are subject to is larger.Metal routing or metal electricity after bending, on flexible base board 10
Pole occurs that risk of breakage is also bigger, and then the display that will cause flexible display panels 1 is bad.
Due to being provided with the first buffer part 31 on the first backboard 21, when flexible base board 10 is bent, the first buffer part 31
Flexible base board 10 can be absorbed and bend generated stress.So that setting metal routing on the substrate 10 or metal electrode are not
The case where being broken because of bending, to improve the product yield of flexible display panels 1.
First buffer part 31 includes the first main part 311 and the first extension 312.Wherein, which is arranged
On the first backboard 21, the first extension 312 is contacted along the setting of the edge of the first backboard 21 and with flexible base board 10, and first extends
Portion 312 is connected with one end of the first main part 311.
In one embodiment, the first backboard 21 includes the first backplane region 211 interconnected and the second backplane region
Domain 212, flexible base board 10 further include routing region 13, and routing region 13 is between the first area 12 and bent area 11.This first
Area 12 is for showing picture.Routing region 13 can be cabling thread-changing area.Can be set in the cabling thread-changing area 13 it is a plurality of walk
Line, such as data line or signal wire etc..
Wherein, the first area 12 is corresponding with the first backplane region 211, and routing region 13 is corresponding with the second backplane region 212.The
One main part 311 is arranged in the second backplane region 212, and the first extension 312 is arranged on bent area 11.
When flexible base board 10 is bent, the boundary that generated stress is concentrated in routing region 13 Yu bent area 11 is bent
Place.Since the second backplane region 212 is corresponding with routing region 13.Therefore, when flexible base board 10 is bent, the second backplane region
212 can squeeze the metal routing being arranged on the intersection of routing region 13 and bent area 11, and metal routing is caused to be broken.
Second backplane region 212 may also can squeeze the metal electrode being arranged on the intersection of routing region 13 and bent area 11, lead
Metal electrode is caused to be broken.
Therefore, the first main part 311 is arranged in the second backplane region 212, and the first extension 312 is arranged curved
On folding area 11.When flexible base board 10 is bent, generated stress when bending is can be absorbed in the first extension 312, reduces flexibility
There is the risk being broken in metal routing or metal electrode on substrate 10.This improves the product of flexible display panels 1 is good
Rate.In addition, the first extension 312 is connect with one end of the first main part 311, when flexible display panels 1 are bent, first extends
Portion 312 can be fixed on first backboard 21, so that generated stress when bending can be absorbed in the first extension 312, into
Improve to one step the product yield of flexible display panels 1.
In one embodiment, which can also include the buffer layer being arranged on the first backboard 21
50, the buffer layer 50 setting extends on the first backboard 21 on the first main part 311, and along the edge of the first main part 311.
As shown in Figure 1.Buffer layer 50 can be graphite or foam.When flexible display panels 1 are bent, the first buffer part 31 can inhale
Stress caused by flexible bend is received, is arranged so that the second backplane region 212 will not be expressed in routing region 13 and bent area
Metal routing or metal electrode on 11 intersection.Moreover, buffer layer 50, Flexible Displays are arranged on the first main part 311
When panel 1 is bent, it can reduce the first buffer part 31 to the stress of the first backboard 21, the second backplane region 212 avoided to be expressed to
Metal routing or metal electrode on the intersection of routing region 13 and bent area 11 are set, to further improve flexibility
The product yield of display panel 1.
It should be noted that in one embodiment, the buffer layer 50 in the second backplane region 212 is arranged in first
Orthographic projection on backboard 21 is overlapped with orthographic projection of first main part 311 on the first backboard 21.
In one embodiment, flexible base board 10 further includes close second area 14 of the bent area 11 far from the first area 12,
Flexible display panels 1 further include be arranged in the second area 14 and towards the first backboard 21 the second backboard 22 and the second buffer part
32.Second buffer part 32 is arranged on the second backboard 22, and the second buffer part 32 extends to bending along the edge of the second backboard 22
Area 11.The setting method of second buffer part 32 is similar with the setting method of the first buffer part 31, referring specifically to preceding embodiment,
Details are not described herein.
It should be noted that the second buffer part 32 includes the second main part 321 and the second extension 322.Secondth area 14
It can be flexible circuit board thread-changing region.Bent area 11 is arranged between routing region 13 and the second area 14.Second main part 321
It is correspondingly arranged in the second area 14, the second extension 322 is arranged on bent area 11, and the second extension 322 and second is main
The one end in body portion 321 is connected.
In one embodiment, flexible display panels 1 further include glue-line 40.The glue-line 40 is for protecting flexible base board
10, it prevents flexible base board 10 by overflexing, is broken so as to cause flexible base board 10.The glue-line 40 can be ultra-violet curing
Glue.Flexible base board 10 includes the first surface 101 and second surface 102 being oppositely arranged.It is understood that the application is according to soft
The display picture of property display panel 1, the side of the display surface by flexible base board 10 far from flexible display panels 1 is defined as the second table
Face.Glue-line 40 is arranged on first surface 101.First backboard 21 is arranged on second surface 102.Wherein, the elasticity of glue-line 40
Modulus is greater than or equal to the elasticity modulus of the first buffer part 31.
Elasticity modulus, which can be considered, measures the index that material generates flexible deformation complexity.Its value is bigger, makes material
The stress of certain flexible deformation is also bigger, i.e., material stiffness is bigger.I.e. under certain stress, it is smaller that flexible deformation occurs.
For example, the material when the first buffer part 31 is uv-curable glue, and when the material of glue-line 40 is also uv-curable glue.At this point, the
One buffer part 31 is equal with the elasticity modulus of glue-line 40.For another example, when the material of the first buffer part 31 is not uv-curable glue, and
When the material of glue-line 40 is also uv-curable glue.For the ease of the bending of flexible base board 10, it is necessary to so that the bullet of the first buffer part 31
Property modulus be less than glue-line 40 elasticity modulus.
Similarly, for the ease of the bending of flexible base board 10, it is necessary to ensure that the thickness of the first buffer part 31 is not more than bent area 11
Curvature.That is, the radius of curvature of bent area 11 is greater than or equal to the thickness of the first buffer part 31.
In addition, in one embodiment, flexible display panels 1 can also include metal layer 60.Metal layer 60 has phase
To the first contact surface 601 and the second contact surface 602 of setting.First main part 311 is arranged on the first contact surface 601, buffering
Layer 50 is arranged on the second contact surface 602.The heat-sinking capability of flexible base board 10 can be improved in the metal layer 60.
Fig. 3 and Fig. 4 is please referred to, Fig. 3 is the structure of second of embodiment of flexible display panels provided by the present application
Schematic diagram, Fig. 4 are that the a-quadrant of the flexible display panels in Fig. 3 is in structural schematic diagram when tiling.The application also provides one kind
Flexible display panels 1.The application also provides a kind of flexible display panels 1.The flexible display panels 1 of Fig. 3 and the Flexible Displays of Fig. 1
The difference of panel 1 is: the intersection in routing region 13 and bent area 11, and the side of the first backboard 21 towards bent area 11 is set
It is set to bevel structure 70.
In order to further decrease the second backplane region 212 and be expressed to, the intersection of routing region 13 Yu bent area 11 is set
On metal routing or metal electrode risk, the side of the first backboard 21 towards bent area 11 can be arranged to bevel structure
70.Cutting with angle is carried out to the first backboard 21 for example, can use break bar, in the first backboard 21 towards bent area 11
Side forms bevel structure.For another example, it is cut using side of the laser to the first backboard 21 towards bent area 11,
The side of one backboard 21 towards bent area 11 forms bevel structure.For another example, it can use break bar and band carried out to the first backboard 21
The cutting at inclination angle.Then, it is polished using edge polisher cut place.
The side of first backboard 21 towards bent area 11 is arranged to bevel structure 70, the second backboard can be further decreased
Region 212 is expressed to the risk of the metal routing or metal electrode that are arranged on the intersection of routing region 13 and bent area 11,
To improve the product yield of flexible display panels 1.
Fig. 5 and Fig. 6 is please referred to, Fig. 5 is the structure of the third embodiment of flexible display panels provided by the present application
Schematic diagram, Fig. 6 are that the a-quadrant of the flexible display panels in Fig. 5 is in structural schematic diagram when tiling.The application also provides one kind
Flexible display panels 1.The difference of the flexible display panels 1 of flexible display panels 1 and Fig. 1 of Fig. 5 is: the setting of buffer layer 50 exists
Between first main part 311 and the first backboard 21, the first extension 312 is along 31 side of edge and the first backboard of buffer layer 50
Edge extends to bent area 11.
When flexible display panels 1 are bent, stress caused by flexible bend is can be absorbed in the first buffer part 31, so that the
Two backplane regions 212 will not be expressed to the metal routing being arranged on the intersection of routing region 13 and bent area 11 or metal electricity
Pole.Moreover, buffer layer 50 is arranged on the first backboard 21, when flexible display panels 1 are bent, it is right to can reduce the first buffer part 31
The stress of first backboard 21 avoids the second backplane region 212 from being expressed to the intersection that routing region 13 Yu bent area 11 is arranged in
On metal routing or metal electrode, to further improve the product yield of flexible display panels 1.
In addition, flexible display panels 1 can also include metal layer 60.Metal layer 60 has the first contact surface being oppositely arranged
601 and second contact surface 602.First backboard 21 is arranged on the first contact surface 601, and buffer layer 50 is arranged in the second contact surface
On 602.The heat-sinking capability of flexible base board 10 can be improved in the metal layer 60.
Referring to Fig. 7, Fig. 7 is the flow diagram of the preparation method of flexible display panels provided by the present application.The application
Additionally provide a kind of preparation method of flexible display panels, comprising:
S101, a flexible display panels are provided.
The flexible display panels 1 include flexible base board 10, and first be arranged on 10 second surface 102 of flexible base board
Backboard 21 and the second backboard 22, specific structure please refers to preceding embodiment, and details are not described herein.
S102, apply high molecular material on flexible base board, the first backboard and the second backboard, with respectively in the first backboard and
The first buffer part and the second buffer part are formed on second backboard.
In one embodiment, referring to Fig. 8, Fig. 8 is to form the first buffer part in preparation method provided by the present application
With the flow diagram of the first embodiment of the second buffer part.Firstly, by high molecular material be applied to the first backboard 21 with
And second on backboard 22.So that forming the first main part 311 on the first backboard 21 being arranged in the first area 12；So that
On two regions 14 and the second main part 321 is formed on backboard 22.Then, the flexible base board 10 for being located at bent area 11 is carried out
Coating, with the edge of the first backboard 21 formed the first extension 312 and；Second is formed at the edge of the second backboard 22 to extend
Portion 322.
In another embodiment, referring to Fig. 9, Fig. 9 is to form the first buffering in preparation method provided by the present application
The flow diagram of second of embodiment of portion and the second buffer part.Firstly, high molecular material is applied to flexible base board 10
Bent area 11 on.When the thickness of the high molecular material on the bent area 11 coated in flexible base board 10 and the thickness of the first backboard 21
When spending consistent, stop coating.Then, high molecular material then respectively is applied to the first backboard 21 and the second backboard 22, first
Formed on backboard 21 first buffer part 31 and, the second buffer part 32 is formed on the second backboard 22.
The application provides a kind of preparation method of flexible display panels, a flexible display panels is provided first, then soft
High molecular material is applied on property substrate, the first backboard and the second backboard, to form on the first backboard and the second backboard respectively
One buffer part and the second buffer part.The application be arranged on the first backboard the first buffer part and, is arranged on the second backboard
Two buffer parts.When flexible display panels bending, which can be used for buffering stress when display panel bending, make
The risk for obtaining metal routing or lead rupture in flexible display panels greatly reduces.It is thus possible to improve flexible display panels
Product yield.
Flexible display panels provided by the embodiments of the present application and preparation method thereof are described in detail above, herein
Applying specific case, the principle and implementation of this application are described, and the explanation of above example is only intended to help
Understand the application.Meanwhile for those skilled in the art, according to the thought of the application, in specific embodiment and using model
Place that there will be changes, in conclusion the contents of this specification should not be construed as limiting the present application.
Claims (11)
1. a kind of flexible display panels characterized by comprising
Flexible base board, the flexible base board include the firstth area and bent area；
First backboard, first backboard are arranged in the firstth area of the flexible base board；
First buffer part, first buffer part is arranged on first backboard, and first buffer part is along described first
The edge of backboard extends to the bent area.
2. flexible display panels according to claim 1, which is characterized in that first buffer part includes the first main part
With the first extension；
Wherein, first main part is arranged on first backboard, and first extension is along the side of first backboard
Edge is arranged and is in contact with the flexible base board, and first extension is connected with one end of first main part.
3. flexible display panels according to claim 2, which is characterized in that first backboard includes interconnected
One backplane region and the second backplane region, the flexible base board further include routing region, and the routing region is located at described first
Between area and bent area；
Wherein, firstth area is corresponding with first backplane region, and the routing region is corresponding with second backplane region,
First main part is arranged in second backplane region, and first extension is arranged on the bent area.
4. flexible display panels according to claim 3, which is characterized in that the flexible display panels further include that setting exists
Buffer layer on first backboard；Wherein,
The buffer layer is arranged on first main part, and extends to first back along the edge of first main part
On plate；
Alternatively, the buffer layer setting is between first main part and first backboard and described in buffer layer covering
First backboard.
5. flexible display panels according to claim 4, which is characterized in that be arranged in slow in second backplane region
Layer is rushed to be overlapped in the orthographic projection on first backboard with orthographic projection of first main part on first backboard.
6. flexible display panels according to claim 3, which is characterized in that first backboard is towards the bent area
Side is arranged to bevel structure.
7. flexible display panels according to claim 1, which is characterized in that the flexible base board further includes close to described curved
Folding area and the secondth area far from firstth area, the flexible display panels further include being arranged in secondth area and towards institute
State the second backboard and the second buffer part of the first backboard；
Wherein, second buffer part is arranged on second backboard, and second buffer part is along second backboard
Edge extends to the bent area.
8. flexible display panels according to claim 7, which is characterized in that second buffer part includes the second main part
With the second extension；
Wherein, second main part is correspondingly arranged at secondth area, and second extension is arranged on the bent area, and
Second extension is connected with one end of second main part.
9. flexible display panels according to claim 1, which is characterized in that the flexible display panels further include glue-line,
For the glue-line for protecting the flexible base board, the flexible base board includes the first surface and second surface being oppositely arranged；
Wherein, on the first surface, first backboard is arranged on the second surface, the glue for the glue-line setting
The elasticity modulus of layer is greater than or equal to the elasticity modulus of first buffer part.
10. flexible display panels according to claim 1, which is characterized in that the radius of curvature of the bent area be greater than or
Equal to the thickness of first buffer part.
11. flexible display panels according to claim 1, which is characterized in that the material of first buffer part is high score
Sub- material.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311148015.8A CN117062472A (en) | 2019-03-27 | 2019-03-27 | Flexible display panel |
| CN201910239984.1A CN109994606B (en) | 2019-03-27 | 2019-03-27 | Flexible display panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN117062472A (en) | 2023-11-14 |
| CN109994606B (en) | 2023-10-17 |
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