CN208422962U - Folding flexible display panels and display device - Google Patents
Folding flexible display panels and display device Download PDFInfo
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- CN208422962U CN208422962U CN201821287546.XU CN201821287546U CN208422962U CN 208422962 U CN208422962 U CN 208422962U CN 201821287546 U CN201821287546 U CN 201821287546U CN 208422962 U CN208422962 U CN 208422962U
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Abstract
Present disclose provides a kind of folding flexible display panels and display devices, belong to technical field of display panel.The flexible display panels have bent area comprising display device layer, the first encapsulated layer, the second encapsulated layer and protective layer: the first encapsulated layer is set to display device layer side；Second encapsulated layer is as notacoria and is set to side of the display device layer far from first encapsulated layer；Protective layer is set to a predeterminable area on surface of second encapsulated layer far from the display device layer; the predeterminable area includes at least the bent area, described protective layer used in making the flexible display panels be located at the display device layer in the stress neuter layer of the bent area.The flexible display panels can provide more design spaces and installation space for the display device using the flexible display panels.
Description
Technical field
This disclosure relates to technical field of display panel more particularly to a kind of folding flexible display panels and display dress
It sets.
Background technique
With the development of display technology, flexible display panels using more and more extensive.Flexible display panels generally comprise
Intermediate display device layer, is respectively set cover board and notacoria in the two sides of display device layer.Since flexible display panels need
Preset bent area is bent, and in order to avoid in bending, display device layer is damaged under stress, notacoria needs have
Biggish thickness.
However, the thickness of notacoria is larger, reduce the design space of the equipment using the flexible display panels.
Above- mentioned information disclosed in the background technology part are only used for reinforcing the understanding to the background of the disclosure, therefore it can
To include the information not constituted to the prior art known to persons of ordinary skill in the art.
Utility model content
The disclosure is designed to provide a kind of folding flexible display panels and display device, is that application flexibility is shown
Show that the display device of panel provides more design spaces and installation space.
According to the first aspect of the disclosure, a kind of folding flexible display panels are provided, there is bent area, it is described soft
Property display panel includes:
Display device layer；
First encapsulated layer is set to display device layer side；
Side as the second encapsulated layer of notacoria, set on the display device layer far from first encapsulated layer；
Protective layer, a predeterminable area on the surface set on second encapsulated layer far from the display device layer are described pre-
If region include at least the bent area, it is described it is protective layer used in make the flexible display panels in the stress of the bent area
Property layer is located at the display device layer.
In a kind of exemplary embodiment of the disclosure, the notacoria with a thickness of 5~50 μm.
In a kind of exemplary embodiment of the disclosure, the protective layer is overlapped with the bent area.
In a kind of exemplary embodiment of the disclosure, the material of the protective layer is resin, polyimides or metal.
In a kind of exemplary embodiment of the disclosure, the elasticity modulus of the material of the protective layer be 200MPa~
100Gpa。
In a kind of exemplary embodiment of the disclosure, the protective layer is an integral structure with second encapsulated layer.
In a kind of exemplary embodiment of the disclosure, the protective layer is adhered to second encapsulated layer.
In a kind of exemplary embodiment of the disclosure, the display device layer includes:
Underlay substrate, set on the side of second encapsulated layer far from the protective layer；
Organic luminous layer, the side set on the underlay substrate far from second encapsulated layer；
The protective layer can make the flexible display panels be located at organic hair in the stress neuter layer of the bent area
Photosphere.
In a kind of exemplary embodiment of the disclosure, the display device layer further include:
Touch function layer, the side set on the organic luminous layer far from the underlay substrate；
The protective layer can make the flexible display panels be located at the touch-control function in the stress neuter layer of the bent area
Between ergosphere, the organic luminous layer or the touch function layer and the organic luminous layer.
According to the second aspect of the disclosure, a kind of display device is provided, including above-mentioned flexible display panels.
The flexible display panels that the disclosure provides are arranged protective layer in predeterminable area, are encapsulated by protective layer and second
The Stress match with the first encapsulated layer is realized in the cooperation of layer, has reached the effect of protection display device layer；Correspondingly, due to protection
The effect for protecting display device layer has been reached in the setting of layer, and the thickness of the second encapsulated layer can reduce compared with the prior art, can be with
Flexible display panels are reduced in predeterminable area with the thickness of outer portion, to provide more using the display device of the flexible display panels
More design spaces and installation space increases the flexibility of flexible display panels application.Meanwhile by the way that the second encapsulation is thinned
Layer can save the material of the second encapsulated layer, reduce production cost.
Detailed description of the invention
Its example embodiment is described in detail by referring to accompanying drawing, the above and other feature and advantage of the disclosure will become
It is more obvious.
Fig. 1 is the structural schematic diagram of one embodiment of flexible display panels of the disclosure.
Fig. 2 is the structural schematic diagram of another embodiment of flexible display panels of the disclosure.
Main element description of symbols includes: in figure
1, the first encapsulated layer；2, the first glued layer；3, display device layer；4, the second glued layer；5, the second encapsulated layer；6, it protects
Sheath；7, third glued layer；A, bent area；B, stress neuter layer.
Specific embodiment
Example embodiment is described more fully with reference to the drawings.However, example embodiment can be real in a variety of forms
It applies, and is not understood as limited to example set forth herein；On the contrary, these embodiments are provided so that the disclosure will more comprehensively and
Completely, and by the design of example embodiment comprehensively it is communicated to those skilled in the art.Described feature, structure or characteristic
It can be incorporated in any suitable manner in one or more embodiments.In the following description, many details are provided
Embodiment of the disclosure is fully understood to provide.
In the figure for clarity, may be exaggerated the thickness of region and layer.Identical appended drawing reference indicates identical in figure
Or similar structure, thus the detailed description that them will be omitted.
Described feature, structure or characteristic can be incorporated in any suitable manner in one or more embodiments.
In the following description, many details are provided to provide and fully understand to embodiment of the disclosure.However, this field
Technical staff will realize can with technical solution of the disclosure without one or more in the specific detail, or
Person can be using other methods, constituent element, material etc..In other cases, be not shown in detail or describe known features, material or
The major technique intention that person operates to avoid the fuzzy disclosure.
Although the term of relativity, such as "upper" "lower" is used to describe a component of icon for another in this specification
The relativeness of one component, but these terms are in this manual merely for convenient, for example, with reference to the accompanying drawings described in show
The direction of example.When certain structure is at other structures "upper", it is possible to refer to that certain structural integrity is formed in other structures, or refer to certain
Structure is " direct " to be arranged in other structures, or refers to that certain structure is arranged in other structures by the way that another structure is " indirect ".
Term "one", " one ", " described " to indicate there are one or more elements/component part/etc.；Term " packet
Include " and " having " to indicate the open meaning being included and refer to that the element/component part/in addition to listing waits it
Outside also may be present other element/component part/etc..
As depicted in figs. 1 and 2, a kind of flexible display panels are provided in disclosure embodiment, with bent area A.It should
Flexible display panels can be liquid crystal display panel (LCD), or organic LED display panel (OLED).This is soft
Property display panel includes:
Display device layer 3；
First encapsulated layer 1 is set to 3 side of display device layer；
Side as the second encapsulated layer 5 of notacoria, set on display device layer 3 far from the first encapsulated layer 1；
As the protective layer 6 of stress equilibrium layer, one set on the second surface of the encapsulated layer 5 far from display device layer 3 is default
Region, and bent area A is located within predeterminable area, protective layer 6 is for making flexible display panels in the stress neuter layer of bent area A
B is located at display device layer 3.
The flexible display panels that the disclosure provides are arranged protective layer 6 in predeterminable area, pass through protective layer 6 and the second envelope
The cooperation for filling layer 5 is realized and the Stress match of the first encapsulated layer 1, allows the thickness of the second encapsulated layer 5 more existing accordingly
Technology reduces, and can reduce flexible display panels in predeterminable area with the thickness of outer portion, for using the flexible display panels
Equipment provides more design spaces and installation space, increases the flexibility of flexible display panels application.Meanwhile by subtracting
Thin second encapsulated layer 5 can save the material of the second encapsulated layer 5, reduce production cost.
Each component of the flexible display panels provided with reference to the accompanying drawing disclosure embodiment is described in detail:
As shown in Figure 1, display device layer 3 can shine and show picture, with light-emitting surface.Technical staff can basis
The type and function of flexible display panels select corresponding display device layer.The display device layer 3 is in addition to can be realized display function
Can be outer, touch-control can also be increased according to demand, reduce the functions such as reflective.
For example, in one embodiment, display device layer 3 may include underlay substrate and organic luminous layer；Substrate
Substrate is set to the second side of the encapsulated layer 5 far from protective layer 6, general to select flexible substrate substrate；Organic luminous layer is set to substrate
Side of the substrate far from the second encapsulated layer 5；Protective layer 6, which can be such that flexible display panels are located in the stress neuter layer B of bent area A, to be had
Machine luminescent layer is destroyed to avoid organic luminous layer in bending.
In addition, display device layer 3 can also include touch function layer, touch function layer is set to organic luminous layer far from lining
The side of substrate.Since touch function layer and organic luminous layer are more fragile, exist under stretching action and damage
Risk therefore can be by adjusting protective layer 6, so that flexible display panels are located at touch-control in the stress neuter layer B of bent area A
Between functional layer and organic luminous layer.Of course, in order to obtain acceptable protecting effect under the conditions of lower technology difficulty,
Reach higher efficiency-cost ratio, stress neuter layer B of the flexible display panels in bent area A can be to organic luminous layer or touch function
Layer occurs to deviate in whole or in part.
As known to those skilled in the art, when the component with plate-like structure is bent, such as disclosure embodiment
In flexible display panels, the component is there are a stress neuter layer B, and the component positioned at the side stress neuter layer B is compressed, position
Component in the other side stress neuter layer B is stretched, and the component length on stress neuter layer B is kept constant.Ability
Field technique personnel know, although stress neuter layer B is not some specific hierarchical structure of the flexible display panels, its
Position can be determined that specific method is conventional technology, this public affairs by the methods of experiment measurement or model calculating
It opens embodiment and does not elaborate to this.
It should be understood that the structure of above-mentioned display device layer 3 is merely illustrative, in other implementations of the disclosure
In mode, display device layer 3 can also be other structures, as long as can serve the same role, this will not be detailed here.
As shown in Figure 1, the first encapsulated layer 1 can be set to the light side out of display device layer 3, for protecting display device layer
3.Technical staff is it is understood that the first encapsulated layer 1 passes through the protection at least in three fermentation realizations to display device layer 3.
First aspect, the first encapsulated layer 1 have certain hardness, can scratch display device layer 3 to avoid foreign object；The second aspect,
First encapsulated layer 1 can enter layer during display to avoid steam, air etc., avoid display device layer 3 from failing, improve display device
The service life of layer 3；In terms of third, it can cooperate with the second encapsulated layer 5, protective layer 6, realize the stress equilibrium of display device layer 3,
I.e. so that the stress neuter layer B in bent area A of flexible display panels is in display device layer 3, display device layer 3 is eliminated or reduced
Stretching or compression in bending, avoid the destruction of display device layer 3 caused by bending.
The material and thickness of first encapsulated layer 1 can carry out selection and combination according to design requirement.The first common encapsulation
The material of layer 1 includes polyethylene terephthalate (PET), polyimides (PI), acrylic or unorganic glass etc..First
The thickness of encapsulated layer 1 can be set between 50 μm~300 μm.
First encapsulated layer 1 can be set on display device layer 3 by various ways.For example, the first envelope
It can be connected by the first glued layer 2 of setting between dress layer 1 and display device layer 3.In one embodiment, it can show
It adhesive coating and is covered on the first encapsulated layer 1 is corresponding on adhesive on device layer 3.In another embodiment, this
One glued layer 2 can default on the first encapsulated layer 1 and cooperate with release paper, when needs form first on display device layer 3
When encapsulated layer 1, release paper can be removed and expose the first glued layer 2, then by the exposed side of the first glued layer 2 after contraposition
It adheres on display device layer 3.
As shown in Figure 1, the second encapsulated layer 5 can be set to side of the display device layer 3 far from the first encapsulated layer 1, that is, it is set to
The backlight side of display device layer 3, for protecting and supporting display device layer 3.Technical staff is it is understood that the second encapsulated layer
5 by least realizing protection and support to display device layer 3 in two fermentation.First aspect, can be with the first encapsulated layer
1, protective layer 6 cooperates, and realizes the stress equilibrium of display device layer 3, i.e., so that in the stress in bent area A of flexible display panels
Property layer B in display device layer 3, eliminate or reduce stretching or compression of the display device layer 3 in bending, avoid aobvious caused by bending
Show the destruction of device layer 3.The second aspect, the second encapsulated layer 5 have certain supporting role to display device layer 3.
The material and thickness of second encapsulated layer 5 can carry out selection and combination according to design requirement.The second common encapsulation
The material of layer 5 includes polyethylene terephthalate (PET), polyimides (PI) etc..The thickness of first encapsulated layer 1 can be set
It sets between 5 μm~50 μm.In the prior art, the thickness of the second encapsulated layer 5 is generally between 50~100 μm, and the disclosure
The thickness of second encapsulated layer 5 is reduced 45 μm~95 μm, no by setting protective layer 6 by the flexible display panels of embodiment
Material cost is only greatly reduced, and can reduce flexible display panels in the thickness of non-predeterminable area, to apply the flexibility
The whole set equipment of display panel provides more design spaces.
When the flexible display panels are applied to complete machine, the part body of complete machine can use to support the Flexible Displays
Panel, and the reduction of the flexible display panels thickness can allow complete machine more reasonable, more flexible, with greater room
Lay supporting mechanism.
Second encapsulated layer 5 can be set on display device layer 3 by various ways.For example, the second envelope
It can be connected by the second glued layer 4 of setting between dress layer 5 and display device layer 3.In one embodiment, it can show
It adhesive coating and is covered on the second encapsulated layer 5 is corresponding on adhesive on device layer 3.In another embodiment, this
Two glued layers 4 can default on the second encapsulated layer 5 and cooperate with release paper, when needs form second on display device layer 3
When encapsulated layer 5, release paper can be removed and expose the second glued layer 4, then by the exposed side of the second glued layer 4 after contraposition
It adheres on display device layer 3.
Protective layer 6, is set to predeterminable area, and edge can also both coat entire curved with the coincident of bent area A
Folding area A.Technical staff can obtain the material and corresponding thickness of protective layer 6 according to the calculation method of stress neuter layer B, with
Just make the stress neuter layer B of the bent area A of flexible display panels in preset position.
The material of protective layer 6 can choose the material with larger elasticity modulus, to reduce the thickness of protective layer 6, to the greatest extent
Amount reduces the thickness of flexible display panels.But the elasticity modulus of the material of protective layer 6 should not be too large, and otherwise would interfere with flexibility
The flexibility of display panel.For example, protective layer 6 can choose the material that elasticity modulus is 200MPa~100Gpa.Citing and
Speech, the material of protective layer 6 may include in polyethylene terephthalate (PET), polyimides (PI) and metal at least
It is a kind of.The metal can be alloy, such as SUS alloy (stainless steel).The thickness of protective layer 6 need according to selected material into
Row adjustment generally can be 50~300 μm.Protective layer 6 can be formed in second by various ways such as gluing, coatings
Protective layer 6.
For example, it can be connected by the third glued layer 7 of setting between the second encapsulated layer 5 and protective layer 6.It is real one
It applies in mode, adhesive coating and adhesive can be covered on by protective layer 6 is corresponding on the predeterminable area of the second encapsulated layer 5
On.In another embodiment, which can default on protective layer 6 and cooperate with release paper, when needing the
When forming protective layer 6 on two encapsulated layers 5, release paper can be removed and expose third glued layer 7, then by third after contraposition
The exposed side of glued layer 7 adheres on the second encapsulated layer 5.In the other embodiments of the disclosure, the precursor material of protective layer 6
It can be coated in predeterminable area, then form protective layer 6 by modes such as photocuring or heat cures.
The material of protective layer 6 can be identical as the second encapsulated layer 5, at this point it is possible to consider protective layer 6 and the second encapsulated layer
5 are used as integral structure.Even if protective layer 6 can also be formed in by third glued layer 7 of course, the two material is identical
Two encapsulated layers 5, or the second encapsulated layer 5 is formed in by modes such as coatings.
The film layer that protective layer can be the film layer of equal thickness or thickness is gradually thinned from centre to edge.
For the disclosure embodiment further provides a kind of display device, which includes above-mentioned flexible display panels.
The display device can be used for one of electronic reader, mobile phone, computer display screen, billboard and television set.
The embodiment party of flexible display panels and above-mentioned flexible display panels that the display device of disclosure embodiment uses
Flexible display panels in formula are identical, and therefore, beneficial effect having the same, details are not described herein.
It should be appreciated that the disclosure is not limited in its application to the detailed construction and arrangement of the component of this specification proposition
Mode.The disclosure can have other embodiments, and can realize and execute in many ways.Aforesaid deformation form and
Modification is fallen within the scope of this disclosure.It should be appreciated that this disclosure and the disclosure of restriction extend in text
And/or it is mentioned in attached drawing or all alternative combinations of two or more apparent independent features.It is all these different
Combination constitutes multiple alternative aspects of the disclosure.Embodiment described in this specification illustrates to become known for realizing the disclosure
Best mode, and those skilled in the art will be enable using the disclosure.
Claims (10)
1. a kind of folding flexible display panels, there is bent area, which is characterized in that the flexible display panels include:
Display device layer；
First encapsulated layer is set to display device layer side；
Side as the second encapsulated layer of notacoria, set on the display device layer far from first encapsulated layer；
Protective layer, a predeterminable area on the surface set on second encapsulated layer far from the display device layer, the preset areas
Domain include at least the bent area, it is described it is protective layer used in make the flexible display panels in the stress neuter layer of the bent area
Positioned at the display device layer.
2. flexible display panels according to claim 1, which is characterized in that the notacoria with a thickness of 5~50 μm.
3. flexible display panels according to claim 1, which is characterized in that the protective layer is overlapped with the bent area.
4. flexible display panels according to claim 1, which is characterized in that the material of the protective layer is resin, polyamides
Imines or metal.
5. flexible display panels according to claim 4, which is characterized in that the elasticity modulus of the material of the protective layer is
200MPa~100GPa.
6. flexible display panels according to claim 1, which is characterized in that the protective layer is with second encapsulated layer
Integral structure.
7. flexible display panels according to claim 1, which is characterized in that the protective layer is adhered to second encapsulation
Layer.
8. flexible display panels according to claim 1, which is characterized in that the display device layer includes:
Underlay substrate, set on the side of second encapsulated layer far from the protective layer；
Organic luminous layer, the side set on the underlay substrate far from second encapsulated layer；
The protective layer can make the flexible display panels be located at the organic luminous layer in the stress neuter layer of the bent area.
9. flexible display panels according to claim 8, which is characterized in that the display device layer further include:
Touch function layer, the side set on the organic luminous layer far from the underlay substrate；
The protective layer can make the flexible display panels the stress neuter layer of the bent area be located at the touch function layer,
Between the organic luminous layer or the touch function layer and the organic luminous layer.
10. a kind of display device, which is characterized in that including flexible display panels according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821287546.XU CN208422962U (en) | 2018-08-09 | 2018-08-09 | Folding flexible display panels and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821287546.XU CN208422962U (en) | 2018-08-09 | 2018-08-09 | Folding flexible display panels and display device |
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| CN208422962U true CN208422962U (en) | 2019-01-22 |
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| CN201821287546.XU Active CN208422962U (en) | 2018-08-09 | 2018-08-09 | Folding flexible display panels and display device |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109887416A (en) * | 2019-03-15 | 2019-06-14 | 京东方科技集团股份有限公司 | Flexible display substrates and its manufacturing method, display device |
| CN110211497A (en) * | 2019-06-04 | 2019-09-06 | 联想(北京)有限公司 | A kind of flexible display screen and electronic equipment |
| CN111653199A (en) * | 2020-06-28 | 2020-09-11 | 武汉华星光电技术有限公司 | Display device |
| CN112753010A (en) * | 2019-08-19 | 2021-05-04 | 京东方科技集团股份有限公司 | Foldable display screen, assembling method thereof and display device |
| CN113744636A (en) * | 2020-05-31 | 2021-12-03 | 华为技术有限公司 | Display module and electronic terminal |
| WO2022001907A1 (en) * | 2020-06-29 | 2022-01-06 | 华为技术有限公司 | Infolding-screen electronic device |
| WO2024183713A1 (en) * | 2023-03-07 | 2024-09-12 | 华为技术有限公司 | Display screen and electronic device |
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2018
- 2018-08-09 CN CN201821287546.XU patent/CN208422962U/en active Active
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109887416A (en) * | 2019-03-15 | 2019-06-14 | 京东方科技集团股份有限公司 | Flexible display substrates and its manufacturing method, display device |
| CN110211497A (en) * | 2019-06-04 | 2019-09-06 | 联想(北京)有限公司 | A kind of flexible display screen and electronic equipment |
| CN112753010A (en) * | 2019-08-19 | 2021-05-04 | 京东方科技集团股份有限公司 | Foldable display screen, assembling method thereof and display device |
| CN112753010B (en) * | 2019-08-19 | 2024-03-15 | 京东方科技集团股份有限公司 | Foldable display screen, assembling method thereof and display device |
| CN113744636A (en) * | 2020-05-31 | 2021-12-03 | 华为技术有限公司 | Display module and electronic terminal |
| CN111653199A (en) * | 2020-06-28 | 2020-09-11 | 武汉华星光电技术有限公司 | Display device |
| WO2022001907A1 (en) * | 2020-06-29 | 2022-01-06 | 华为技术有限公司 | Infolding-screen electronic device |
| CN113936550A (en) * | 2020-06-29 | 2022-01-14 | 华为技术有限公司 | Inward folding screen electronic equipment |
| CN113936550B (en) * | 2020-06-29 | 2023-02-14 | 华为技术有限公司 | Inward folding screen electronic equipment |
| WO2024183713A1 (en) * | 2023-03-07 | 2024-09-12 | 华为技术有限公司 | Display screen and electronic device |
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