CN109859634A - Foldable display device - Google Patents
Foldable display device Download PDFInfo
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- CN109859634A CN109859634A CN201910229387.0A CN201910229387A CN109859634A CN 109859634 A CN109859634 A CN 109859634A CN 201910229387 A CN201910229387 A CN 201910229387A CN 109859634 A CN109859634 A CN 109859634A
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- magnetic
- display device
- foldable display
- stainless steel
- supporting mechanism
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
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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
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
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- General Engineering & Computer Science (AREA)
Abstract
A kind of foldable display device, including flexible display panels, electro-magnetic screen layer, stainless steel layer and supporting mechanism, the flexible display panels are arranged in close to the side of the supporting mechanism in the electro-magnetic screen layer, and the stainless steel layer is arranged between the electro-magnetic screen layer and the supporting mechanism；Wherein, the stainless steel layer is embedded with multiple first magnetic substances close to the surface of the supporting mechanism side, the supporting mechanism is embedded with multiple second magnetic substances close to the surface of the stainless steel layer side, the position of each second magnetic substance is corresponding with the position of each first magnetic substance and forms multiple magnetic regions, and each first magnetic substance, each second magnetic substance form a closed circuit by data line and a controller.
Description
Technical field
The present invention relates to field of display technology more particularly to a kind of foldable display devices.
Background technique
The quick hair of Organic Light Emitting Diode (Organic Light-Emitting Diode, OLED) display technology at present
Exhibition pushes curved surface and Flexible Displays touch-control product to quickly enter market, and Flexible Displays touch-control project is got growing concern for.
It is by optical cement (Optically Clear Adhesive, OCA) between the different layers of the touch-control display module of the prior art
Carry out fitting fixation.It is pullled repeatedly however, foldable display device will receive when being in dynamic bending state, due to each film layer
Between modulus difference cause applied to foldable display device OCA glue occur compatible deformation, further generate foldable display
The risk that each film layer of device is detached from.
In conclusion existing foldable display device, due to using optics glue laminating flexible screen and center, foldable
When display device is in dynamic bending state, it may cause optical cement and compatible deformation occur, further result in that foldable display dress
Each film layer set occurs to be detached from and fail.
Summary of the invention
The present invention provides a kind of foldable display device, can reduce in dynamic bending process and pull suffered by flexible screen
And lead to stress concentration phenomenon, and to solve existing foldable display device, due to using optics glue laminating flexible screen and center,
When foldable display device is in dynamic bending state, it may cause optical cement and compatible deformation occur, further resulting in that can roll over
The technical issues of being detached from and failing, occurs for each film layer of folded display device.
To solve the above problems, technical solution provided by the invention is as follows:
The present invention provides a kind of foldable display device, including flexible display panels, electro-magnetic screen layer, stainless steel layer and
The flexible display panels are arranged in close to the side of the supporting mechanism in supporting mechanism, the electro-magnetic screen layer, described stainless
Steel layer is arranged between the electro-magnetic screen layer and the supporting mechanism；
Wherein, the stainless steel layer is embedded with multiple first magnetic substances close to the surface of the supporting mechanism side, described
Supporting mechanism is embedded with multiple second magnetic substances, the position of each second magnetic substance close to the surface of the stainless steel layer side
It sets corresponding with the position of each first magnetic substance and forms multiple magnetic regions, it is each first magnetic substance, each
Second magnetic substance forms a closed circuit by data line and a controller.
According to one preferred embodiment of the present invention, the controller changes multiple magnetic regions by current control mode
Magnetic field strength and distribution.
According to one preferred embodiment of the present invention, the electro-magnetic screen layer is prepared in the stainless steel layer by spraying method and leans on
The surface of the nearly flexible display panels side.
According to one preferred embodiment of the present invention, the foldable display device multiple magnetic regions in flat
Magnetic field strength be greater than the foldable display device multiple magnetic regions in bending state magnetic field strength.
According to one preferred embodiment of the present invention, corresponding multiple second magnetic substances of multiple first magnetic substances
Different grade is attracting in the bending region for being located at the foldable display device.
According to one preferred embodiment of the present invention, corresponding multiple second magnetic substances of multiple first magnetic substances
Peer repels each other in the bending region for being located at the foldable display device.
According to one preferred embodiment of the present invention, multiple first magnetic substances and multiple second magnetic substances are according to phase
Equidistant arrangement.
According to one preferred embodiment of the present invention, multiple first magnetic substances are along the stainless steel layer close to the support
The surface of mechanism side is in patterned distribution, and multiple second magnetic substances are along the supporting mechanism close to the stainless steel layer
The surface of side is in patterned distribution.
According to one preferred embodiment of the present invention, the pattern of the patterned distribution is double I fonts or X font or isosceles ladder
Shape.
According to one preferred embodiment of the present invention, the material of first magnetic substance and second magnetic substance is ferromagnetism
Material.
The invention has the benefit that foldable display device provided by the present invention, flexible screen and supporting mechanism it
Between be bonded using magnetic material, slow down stress concentration status when flexible screen is in dynamic bending state, improving can
The service life of Folding display device.
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 invention
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 that an embodiment of the foldable display device of the present invention is in the structural schematic diagram of flat.
Fig. 2 is that an embodiment of the foldable display device of the present invention is in the structural schematic diagram of bending state.
Fig. 3 is that another embodiment of the foldable display device of the present invention is in the structural schematic diagram of bending state.
Fig. 4 A is in the foldable display device of the present invention between flexible screen and supporting mechanism in mutually attached two layers of surface
The second pattern schematic diagram.
Fig. 4 B is in the foldable display device of the present invention between flexible screen and supporting mechanism in mutually attached two layers of surface
The second pattern schematic diagram.
Fig. 4 C is in the foldable display device of the present invention between flexible screen and supporting mechanism in mutually attached two layers of surface
Third pattern schematic diagram.
Specific embodiment
The explanation of following embodiment is referred to the additional illustration, the particular implementation that can be used to implement to illustrate the present invention
Example.The direction term that the present invention is previously mentioned, such as [on], [under], [preceding], [rear], [left side], [right side], [interior], [outer], [side]
Deng being only the direction with reference to annexed drawings.Therefore, the direction term used be to illustrate and understand the present invention, rather than to
The limitation present invention.The similar unit of structure is with being given the same reference numerals in the figure.
The present invention is directed to existing foldable display device, due to using optics glue laminating flexible screen and center, can roll over
When folded display device is in dynamic bending state, it may cause optical cement and compatible deformation occur, further result in that foldable display
The technical issues of being detached from and failing, occurs for each film layer of device, and the present embodiment is able to solve the defect.
As shown in Figure 1, being in the structural schematic diagram of flat for an embodiment of the foldable display device of the present invention.Institute
Stating foldable display device includes flexible display panels 101, electro-magnetic screen layer 102, stainless steel layer 103 and supporting mechanism 104,
The flexible display panels 101 are arranged in close to the side of the supporting mechanism 104 in the electro-magnetic screen layer 102, described stainless
Steel layer 103 is arranged between the electro-magnetic screen layer 102 and the supporting mechanism 104；
Wherein, the stainless steel layer 103 is embedded with multiple first magnetic substances close to the surface of 104 side of supporting mechanism
105, the supporting mechanism 104 is embedded with multiple second magnetic substances 106 close to the surface of 103 side of stainless steel layer, each
The position of second magnetic substance 106 is corresponding with the position of each first magnetic substance 105 and forms multiple magnetic regions,
Each first magnetic substance 105, each second magnetic substance 106 pass through one closure of data line and a controller 107 composition
Circuit.
Specifically, the controller 107 by current control mode change multiple magnetic regions magnetic field strength and
Distribution.
Specifically, the electro-magnetic screen layer 102 is prepared in the stainless steel layer 103 close to the flexibility by spraying method
The surface of 101 side of display panel.
Specifically, the flexible display panels 101 magnetic field strength of multiple magnetic regions in flat is greater than
The magnetic field strength of the flexible display panels 101 multiple magnetic regions in bending state.
Specifically, corresponding multiple second magnetic substances 106 of multiple first magnetic substances 105 be located at it is described
Different grade is attracting in the bending region of foldable display device.
Specifically, multiple first magnetic substances 105 and multiple second magnetic substances 106 are according to mutually equidistant row
Cloth.
Specifically, the material of first magnetic substance 105 and second magnetic substance 106 is ferrimagnet.
Specifically, preparing the electro-magnetic screen layer 102 is the first time magnetic substance 105 and second magnetic in order to prevent
Interference of the property body 106 to semiconductor display device in the flexible display panels 101.
When the foldable display device is in flat, multiple first magnetic are contained in the stainless steel layer 103
Property body 105, the supporting mechanism 104 contain multiple second magnetic substances 106 in corresponding position.In the controller 107
Under the action of, the magnetism for changing first magnetic substance 105 and second magnetic substance 106 respectively by current control is big
Small and pole orientation, so that the surface of the stainless steel 103 and the surface of the supporting mechanism 104 form multiple small magnetic
Farmland.At this point, one side 1051 and each second magnetism of each first magnetic substance 105 close to the supporting mechanism 104
There is a natural attraction between the sexes close to the one side 1061 of the stainless steel layer 103 for body 106, and forms the first attraction.In multiple small domains shapes
At the first attraction collective effect under, the stainless steel layer 103 can be attached to very well on the supporting mechanism 104, by institute
It states foldable display device not having using the sagging problem of pressing can be reduced, promotes user experience.
As shown in Fig. 2, being in the structural schematic diagram of bending state for an embodiment of the foldable display device of the present invention.Institute
When stating foldable display device and being in bending state, multiple first magnetic substances 105, institute are contained in the stainless steel layer 103
It states supporting mechanism 104 and contains multiple second magnetic substances 106 in corresponding position.Under the action of controller 107, lead to
Excess current control changes magnetic size and the magnetic pole side of first magnetic substance 105 and second magnetic substance 106 respectively
To so that the surface of the stainless steel 103 and the surface of the supporting mechanism 104 form multiple small domains.At this point, each
First magnetic substance 105 is close to the one side 1051 of the supporting mechanism 104 and each second magnetic substance 106 close to described
There is a natural attraction between the sexes for the one side 1061 of stainless steel layer 103, and forms the second attraction.
When wherein, the controller 107 makes the foldable display device be in bending state by current control
Magnetic field strength when magnetic field strength is in flat than the foldable display device is small, i.e., by the stainless steel layer 103 with
The attraction that magnetic field between the supporting mechanism 104 generates reduces, and can effectively slow down the foldable display device dynamic
Stress in state bending process is concentrated, and the service life of the foldable display device is effectively improved.
As shown in figure 3, being in the structural schematic diagram of bending state for another embodiment of the foldable display device of the present invention.
The foldable display device includes flexible display panels 301, electro-magnetic screen layer 302, stainless steel layer 303 and supporting mechanism
304, the flexible display panels 301 are arranged in close to the side of the supporting mechanism 304 in the electro-magnetic screen layer 302, described
Stainless steel layer 303 is arranged between the electro-magnetic screen layer 302 and the supporting mechanism 304；
Wherein, the stainless steel layer 303 is embedded with multiple first magnetic substances close to the surface of 304 side of supporting mechanism
305, the supporting mechanism 304 is embedded with multiple second magnetic substances 306 close to the surface of 303 side of stainless steel layer, each
The position of second magnetic substance 306 is corresponding with the position of each first magnetic substance 305 and forms multiple magnetic regions,
Each first magnetic substance 305, each second magnetic substance 306 are closed back by data line and controller composition one
Road.
When the foldable display device is in bending state, under the action of the controller, pass through current control point
Do not change the magnetic size and pole orientation of first magnetic substance 305 and second magnetic substance 306 so that it is described not
The surface of rust steel 303 and the surface of the supporting mechanism 304 form multiple small domains.At this point, each described first is magnetic
Body 305 is close to the one side 3051 of the supporting mechanism 304 and each second magnetic substance 306 close to the stainless steel layer 303
One side 3061 it is at the same level mutually repel, and form mutual repulsive force.This repulsive force is in the foldable display device
Stress concentration can effectively be slowed down when bending state, effectively improve the service life of the foldable display device；This repulsive force
Make the bending region of the foldable display device that there is certain endure when the foldable display device is in flat
Property, solve the problems, such as that pressing is sunk.
As shown in Fig. 4 A, Fig. 4 B and Fig. 4 C, in foldable display device respectively of the invention flexible screen and supporting mechanism it
Between three pattern schematic diagrames in mutually attached two layers of surface.Wherein, multiple first magnetic substances 105 (305) are along institute
Stainless steel layer 103 (303) is stated close to the surface of supporting mechanism 104 (304) side in patterned distribution, multiple described second
Magnetic substance 106 (306) is in figure close to the surface of stainless steel layer 103 (303) side along the supporting mechanism 104 (304)
Caseization distribution, the pattern of the patterned distribution are double I fonts or X font or isosceles trapezoid.
Since two material surface magnetic field strengths constantly change the supporting mechanism 104 (304) in bending process repeatedly, meeting
The stainless steel layer 103 (303) and the aligning accuracy that is bonded of the lower section supporting mechanism 104 (304) is caused to change.In order to
Solve the problems, such as it is this, it is certain on the surface of the stainless steel layer 103 (303) and the surface design of the supporting mechanism 104 (304)
Pattern structure so that multiple first magnetic substances 105 (305) and multiple second magnetic substances 106 (306) along
The patterned distribution；In the foldable display device in flattening and folding process, still in the case where magnetic field strength changes
There is higher aligning accuracy, can avoid inconsistent phenomenon of the flexible screen in bending process repeatedly, improves entire described foldable aobvious
The reliability of showing device.
Foldable display device provided by the present invention is applied to the field OLED.Between flexible screen and supporting mechanism not
It is bonded using photoconductive glue, it is possible to reduce pullled suffered by flexible screen in dynamic bending process, avoid stress collection
The service life of flexible screen can be improved in middle phenomenon.Simultaneously as not using optics glue laminating, flat is by increasing magnetic
Power makes flexible screen bond together very well with supporting mechanism, solves the heaving of the sea that pressing is sunk and bending front and back occurs and asks
Topic, can effectively promote user experience, increase the competitiveness of product.In addition, the design of this structure is relatively simple, machinery is effectively reduced
The use of structure effectively shortens the development cycle of flexible OLED modular structure.Preferably, other parts film layer can adopt
It is bonded with OCA glue material, to reduce the tensile stress of film layer bending side, prevents the damage of optical device.
Advantageous effect of the invention are as follows: foldable display device provided by the present invention, between flexible screen and supporting mechanism
It is bonded using magnetic material, slows down stress concentration status when flexible screen is in dynamic bending state, improving can roll over
The service life of folded display device.
In conclusion although the present invention has been disclosed above in the preferred embodiment, but above preferred embodiment is not to limit
The system present invention, those skilled in the art can make various changes and profit without departing from the spirit and scope of the present invention
Decorations, therefore protection scope of the present invention subjects to the scope of the claims.
Claims (10)
1. a kind of foldable display device, which is characterized in that including flexible display panels, electro-magnetic screen layer, stainless steel layer and
The flexible display panels are arranged in close to the side of the supporting mechanism in supporting mechanism, the electro-magnetic screen layer, described stainless
Steel layer is arranged between the electro-magnetic screen layer and the supporting mechanism；
Wherein, the stainless steel layer is embedded with multiple first magnetic substances, the support close to the surface of the supporting mechanism side
Mechanism is embedded with multiple second magnetic substances close to the surface of the stainless steel layer side, the position of each second magnetic substance with
The position of each first magnetic substance is corresponding and forms multiple magnetic regions, each first magnetic substance, each described
Second magnetic substance forms a closed circuit by data line and a controller.
2. foldable display device according to claim 1, which is characterized in that the controller passes through current control mode
Change the magnetic field strength and distribution of multiple magnetic regions.
3. foldable display device according to claim 1, which is characterized in that the electro-magnetic screen layer passes through spraying method
The stainless steel layer is prepared in close to the surface of the flexible display panels side.
4. foldable display device according to claim 1, which is characterized in that the foldable display device is in flattening shape
The magnetic field strength of multiple magnetic regions is greater than the foldable display device multiple magnetism in bending state when state
The magnetic field strength in region.
5. foldable display device according to claim 4, which is characterized in that multiple first magnetic substances are corresponding
Multiple second magnetic substances be located at the foldable display device bending region in different grade it is attracting.
6. foldable display device according to claim 4, which is characterized in that multiple first magnetic substances are corresponding
Multiple second magnetic substances be located at the foldable display device bending region in peer repel each other.
7. foldable display device according to claim 1, which is characterized in that multiple first magnetic substances and multiple
Second magnetic substance is according to mutually equidistant arrangement.
8. foldable display device according to claim 1, which is characterized in that multiple first magnetic substances are along described
Stainless steel layer is in patterned distribution close to the surface of the supporting mechanism side, and multiple second magnetic substances are along the support
Mechanism is in patterned distribution close to the surface of the stainless steel layer side.
9. foldable display device according to claim 8, which is characterized in that the pattern of the patterned distribution is double I
Font or X font or isosceles trapezoid.
10. foldable display device according to claim 1, which is characterized in that first magnetic substance and described second
The material of magnetic substance is ferrimagnet.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910229387.0A CN109859634B (en) | 2019-03-25 | 2019-03-25 | Foldable display device |
| PCT/CN2019/112165 WO2020192099A1 (en) | 2019-03-25 | 2019-10-21 | Folding display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910229387.0A CN109859634B (en) | 2019-03-25 | 2019-03-25 | Foldable display device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109859634A true CN109859634A (en) | 2019-06-07 |
| CN109859634B CN109859634B (en) | 2020-09-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910229387.0A Active CN109859634B (en) | 2019-03-25 | 2019-03-25 | Foldable display device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN109859634B (en) |
| WO (1) | WO2020192099A1 (en) |
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| CN110570760A (en) * | 2019-08-13 | 2019-12-13 | 武汉华星光电半导体显示技术有限公司 | foldable flexible display device |
| CN110580860A (en) * | 2019-10-15 | 2019-12-17 | 上海天马有机发光显示技术有限公司 | folding display device |
| CN110599913A (en) * | 2019-10-31 | 2019-12-20 | 云谷（固安）科技有限公司 | Flexible display panel and flexible display device |
| CN110718152A (en) * | 2019-10-21 | 2020-01-21 | Oppo广东移动通信有限公司 | Folding screen assembly and mobile terminal |
| CN110827691A (en) * | 2019-11-27 | 2020-02-21 | 武汉华星光电半导体显示技术有限公司 | Display panel support frame and display device |
| CN111223405A (en) * | 2020-01-08 | 2020-06-02 | 云谷（固安）科技有限公司 | Display device and protection method thereof |
| CN111341217A (en) * | 2020-02-21 | 2020-06-26 | 武汉华星光电半导体显示技术有限公司 | Display panel and display device |
| CN111370460A (en) * | 2020-03-25 | 2020-07-03 | 武汉华星光电半导体显示技术有限公司 | OLED display device |
| CN111402736A (en) * | 2020-03-26 | 2020-07-10 | 武汉华星光电半导体显示技术有限公司 | Display device |
| CN111599274A (en) * | 2020-05-25 | 2020-08-28 | 武汉华星光电半导体显示技术有限公司 | Foldable display module |
| WO2020192099A1 (en) * | 2019-03-25 | 2020-10-01 | 武汉华星光电半导体显示技术有限公司 | Folding display device |
| CN112051892A (en) * | 2020-08-12 | 2020-12-08 | 武汉华星光电半导体显示技术有限公司 | Mobile terminal |
| CN112309248A (en) * | 2019-07-30 | 2021-02-02 | 三星显示有限公司 | Display device |
| CN112365800A (en) * | 2020-10-30 | 2021-02-12 | 合肥维信诺科技有限公司 | Flexible display panel |
| CN112398972A (en) * | 2019-08-14 | 2021-02-23 | 陕西坤同半导体科技有限公司 | Foldable mobile terminal |
| CN112863365A (en) * | 2021-03-09 | 2021-05-28 | 厦门天马微电子有限公司 | Folding display device and use method thereof |
| CN113470518A (en) * | 2021-06-02 | 2021-10-01 | 云谷（固安）科技有限公司 | Flexible support piece, flexible display panel and display device |
| CN114283683A (en) * | 2021-12-21 | 2022-04-05 | 合肥维信诺科技有限公司 | Cover plate assembly, cover plate assembly preparation method and display device |
| WO2022179150A1 (en) * | 2021-02-25 | 2022-09-01 | 合肥维信诺科技有限公司 | Display module and display device |
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| CN114283683B (en) * | 2021-12-21 | 2023-10-24 | 合肥维信诺科技有限公司 | Cover plate assembly, cover plate assembly preparation method and display device |
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| Publication number | Publication date |
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| CN109859634B (en) | 2020-09-01 |
| WO2020192099A1 (en) | 2020-10-01 |
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