CN108877512A - A kind of display panel and display device - Google Patents
A kind of display panel and display device Download PDFInfo
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- CN108877512A CN108877512A CN201810555636.0A CN201810555636A CN108877512A CN 108877512 A CN108877512 A CN 108877512A CN 201810555636 A CN201810555636 A CN 201810555636A CN 108877512 A CN108877512 A CN 108877512A
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- area
- bending
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- display panel
- bent
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/301—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements flexible foldable or roll-able electronic displays, e.g. thin LCD, OLED
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- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
Abstract
The present invention provides a kind of display panel and its device, the display panel includes viewing area and non-display area, the non-display area includes bent area and pre-bending folding area, the bent area is located at the non-display area close to the side of the viewing area, the pre-bending folding area is adjacent with the bent area, and it is located at side of the non-display area far from the viewing area, the pre-bending folding area is provided with bending resistance fold on surface, wherein the stiffness of the bend resistance layer is greater than the stiffness of the pre-bending folding area.Technical solution of the present invention is by being provided with bending resistance fold on the surface of pre-bending folding area, improve the stiffness of the pre-bending folding area, it ensure that synchronous bending when non-display area is reversely bent, to avoid non-display area cabling open circuit caused by non-display area is reversely bent, improve bending effect and product yield, easy to operate, technique realizes that difficulty is low.
Description
Technical field
The present invention relates to screen display technology fields, and in particular to a kind of display panel and display device.
Background technique
With the progress of display technology, the screen of electronical display product is increasingly sent out towards narrow frame even Rimless
Exhibition, flexible display panels bending are to reduce the important technical of display equipment lower frame.
But using flexible display panels made from bending mode in the prior art, it is (i.e. non-often to there is non-display area
The area AA, the area AA, effective display area, Ative Area) cabling the case where fractureing, cause the control to viewing area to be failed.
Summary of the invention
Therefore, existing to solve the technical problem to be solved in the present invention is that providing a kind of display panel and display device
The problem of cabling fractures is easy to appear when non-display area is bent in technology.
In order to achieve the above objectives, the present invention provides a kind of display panel, and the display panel includes viewing area and non-display
Area, the non-display area include bent area and pre-bending folding area, and the bent area is located at the non-display area close to the viewing area
Side, the pre-bending folding area is adjacent with the bent area, and be located at side of the non-display area far from the viewing area, institute
It states and is provided with bending resistance fold on the surface of pre-bending folding area, wherein the stiffness of the bend resistance layer is greater than the stiffness of the pre-bending folding area.
Optionally, the stiffness of the bending resistance fold is greater than 300Nm.
Optionally, the stiffness of the bending resistance fold is within 300Nm~400Nm.
Optionally, the bending resistance fold also covers some or all of bent area surface.
Optionally, in a first direction, for the width of the bending resistance fold within 0~1mm, the first direction is described
Viewing area to the direction of the non-display area, and the first direction is parallel to the side of the display panel.
Optionally, two surfaces of the display panel are the front as display surface and back corresponding with the front
The front or the back side of the pre-bending folding area is arranged in face, the bending resistance fold.
Optionally, the bending resistance fold includes at least one layer of support film or at least one layer of modular structure.
Optionally, the modular structure is flexible cover plate or polaroid.
Optionally, the support film is polyethylene terephtalate film or adhesive membrane.
Optionally, the adhesive membrane is double-sided adhesive.
Optionally, the double-sided adhesive is set to the back side of the pre-bending folding area, and the double-sided adhesive is non-in the display panel
To fixed bending end after the bending of viewing area.
Optionally, the bending resistance fold is to be arranged in the positive Process Character film layer in the pre-bending folding area, the Process Character film
After bending of the layer to complete the non-display area, from the film layer of pre-bending folding area front removal.
Optionally, the non-display area surrounds the viewing area, and the non-display area includes respectively corresponding the viewing area
Multiple sides of each side, at least one side of the non-display area include bent area and pre-bending folding area, and described at least one
Bending resistance fold is provided on the pre-bending folding area surface of a side.
The present invention also provides a kind of display devices, it is characterised in that：The display device includes the aforementioned display surface
Plate.
The pre-bending folding area table that technical solution of the present invention passes through the side in display panel non-display area far from viewing area
It is provided with the bending resistance fold that stiffness is greater than the pre-bending folding area stiffness on face, improves the stiffness of the pre-bending folding area, ensure that non-aobvious
Show synchronous bending when area is reversely bent, so that non-display area cabling open circuit caused by avoiding non-display area from reversely bending, is improved
Effect and product yield are bent, easy to operate, technique realizes that difficulty is low.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is one embodiment of the invention display panel structure schematic diagram；
Fig. 2 is further embodiment of this invention display panel structure schematic diagram；
Fig. 3 is further embodiment of this invention display panel structure schematic diagram.
Specific embodiment
As described in background, flexible display panels in the prior art often occur what non-display area cabling fractureed
Problem, for inventor the study found that the basic reason for this problem occur is, flexible screen body itself has a characteristics such as thin, soft, and one
As flexible screen body there was only the thickness of about 20um, and be easy curling, lead to the extremely difficult whole bending for realizing flexible screen body.In reality
Bending process in, flexible screen body easily occurs the non-uniform situation of bending to bent area, is such as only point bending or part
Bending, such as both ends warpage.And be easy to form acute fold in bent area after bending, and then screen body is caused folding line occur, cause
Non-display area cabling fractures, and then causes electrical contact in display panel bad, influences the bending success rate and production of display panel
Product yield, while influencing the assembling of end product.
Based on this, the present invention provides a kind of display panel, which includes viewing area and non-display area, the display
Area includes bent area and pre-bending folding area, and wherein the bent area is located at the non-display area close to the side of the viewing area, the pre-bend
Area is adjacent with the bent area, and is located at side of the non-display area far from the viewing area, is provided on the pre-bending folding area surface
Bending resistance fold, wherein the stiffness of the bending resistance fold is greater than the stiffness of the pre-bending folding area.
Technical solution of the present invention is greater than the pre-bend by the way that stiffness is arranged on the pre-bending folding area surface of the display panel
The bending resistance fold of area's stiffness, so that the stiffness of the pre-bending folding area is improved, when so that the non-display area reversely being bent, Neng Goushi
Now synchronous bending is not in more only to bend, and other regions do not synchronize the case where bending.
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
As long as in addition, the non-structure each other of technical characteristic involved in invention described below different embodiments
It can be combined with each other at conflict.
One embodiment of the invention provides a kind of display panel, as shown in Figure 1, the display panel includes 1 (i.e. AA of viewing area
Area) and non-display area 2 (area Ji Fei AA), the non-display area 1 encirclement viewing area 2.
The non-display area 2 includes the multiple sides for respectively corresponding each side in the viewing area, a side of non-display area
Including bent area 3 and pre-bending folding area 4, wherein the bent area 3 is located at the non-display area 2 close to the side of the viewing area 1, the pre-bending
Folding area 4 is adjacent with the bent area 3, and is located at the side of the non-display area 2 far from the viewing area 1.In the front of the pre-bending folding area 4
On be provided with bending resistance fold, wherein the front and the display panel are in same plane as the front of display surface, and wherein this resists
The stiffness for bending layer is greater than the stiffness of the pre-bending folding area material.The width of pre-bending folding area is greater than or equal to bend resistance in the present embodiment
The width of layer.
The bending resistance that stiffness is greater than the pre-bending folding area stiffness is arranged in non-bent area by bending region side in non-display area
Fold improves synchronism when non-display area bending, and then improves bending effect and product yield, and easy to operate, technique
Realize that difficulty is low.
Stiffness as the further embodiment of the embodiment, the bending resistance fold may be greater than 300Nm, so that it is guaranteed that very
The bending resistance fold of degree in the range can effectively improve bending synchronism when non-display area is reversely bent.
Stiffness as the further embodiment of the embodiment, the bending resistance fold can be within the scope of 300Nm-400Nm.
The present embodiment selects the stiffness of the bending resistance fold to be less than or equal to 400Nm range, it can be ensured that the bending resistance more than or equal to 300Nm
Fold had both had certain stiffness, guaranteed that non-display area bends synchronism, while the bending resistance layer stiffness is again not too big and lead to this
Viewing area bending is difficult.On this basis, which can also cover some or all of bent area surface, by
Increase in the range of bending resistance fold, consequently facilitating the bending of bent area operates, following example is described in detail.
As the further embodiment of the embodiment, in a first direction, the width of the bending resistance fold can choose 0~
Within 1mm range, wherein the first direction is the viewing area to the direction of the non-display area, and described in the first direction is parallel to
The side of display panel.Because the bending resistance fold is used as providing the curved of bending operation when reversely bending the display panel
The width range is selected in folding area, therefore, the bend resistance layer choosing of the embodiment, can guarantee the viewing area area of display panel relative to
Non-display area area is as big as possible, improves the utilization rate of display panel；Preferable bending operation can be obtained again simultaneously, improved curved
It is converted into power and bending effect.
Also, when the width of the bending resistance fold is when within 0~1mm range, i.e., the width of pre-bending folding area is at least and bending resistance
Fold it is of same size, it can within 0~1mm range, which has no effect on the bending action of bent area, that is, exists
When practical operation, the pre-bending folding area of bend resistance layer region will not be bent.In this case, the stiffness of bending resistance fold can be use up
Amount is big, and for example 500Nm, 800Nm etc., the material of selectable bending resistance fold are more.
As the further embodiment of embodiment, which can also be arranged in the back side of the pre-bending folding area 4, wherein
The back side is in same plane as the back side of display surface with the display panel.
As the further embodiment of the embodiment, which may include at least one layer of modular structure, such as：It is flexible
Cover board or polaroid etc..
As the further embodiment of the embodiment, which may include at least one layer of with certain stiffness
Support film, such as：Polyethylene terephtalate film or adhesive membrane.Specifically, which can also be unlimited
In above-mentioned material, it is also possible to other materials with similar functions, as long as that is, stiffness is greater than pre-bending folding area material stiffness
Material can be used as the bending resistance fold.
As the further embodiment of the embodiment, which can be pre- by being fixed on this with the attached mode of gluing
Bent area 4 can also take pressing or other fixed forms well known in the art.
Further embodiment of this invention provides a kind of display panel, as shown in Fig. 2, the display panel of the embodiment with it is aforementioned
The difference of embodiment display panel is：The display panel is only provided with non-display area 2, other sides of the display panel in a side
While being each formed with viewing area 1, which does not surround the viewing area.
Wherein the non-display area 2 includes bent area 3 and pre-bending folding area 4 (oval identification division in Fig. 2), the bent area 3
In the non-display area 2 close to the side of the viewing area 1, the pre-bending folding area 4 is adjacent with the bent area 3, and is located at the non-display area 2
Side far from the viewing area 1.Bending resistance fold is provided on the front of the pre-bending folding area 4, wherein the front and the display surface
Plate is in same plane as the front of display surface, and wherein the stiffness of the bending resistance fold is greater than the stiffness of the pre-bending folding area material.
The embodiment can select only to need the side bent setting in the display panel to include curved according to actual needs
Bending resistance fold is arranged for bending, in the pre-bending folding area of the non-display area in the non-display area of folding area, the display panel other
Region is respectively formed viewing area, thus ensure synchronism that the display panel non-display area is reversely bent meanwhile, it is capable to obtain compared with
Big viewing area area improves the display utilization rate of display panel.
Further embodiment of this invention provides a kind of display panel, the display panel of the display panel and previous embodiment
Difference is：The bending resistance fold not only covers the pre-bending folding area surface, can also extend over the part of the surface of the bent area,
Even all surfaces.
The bending resistance fold can not only effectively improve bending synchronism when non-display area is reversely bent in the embodiment,
And the bending resistance fold for covering the bent area surface can be used as when the non-display area of display panel is reversely bent
The buffer structure of the bent area folding s tress is buffered, the biggish stress which generates in bending is conducted to the bend resistance
Layer, and the buffer function through the bending resistance fold can play a protective role to the cabling of the bent area and its inside, avoid this curved
The phenomenon that folding area stress is concentrated and is fractureed；The fracture of inside cabling when bending, improves bending success rate.
Further embodiment of this invention provides a kind of display panel, the display panel of the display panel and previous embodiment
Difference is：The bending resistance fold is double-sided adhesive or other thin-film materials with adhesion function, and the bending resistance fold is arranged at this
The back side of pre-bending folding area.After the non-display area to the display panel reversely bend, being somebody's turn to do with adhesiveness can be passed through
Bending resistance fold will be adhered fixed bending end.The embodiment synchronous bending basis when guaranteeing that non-display area is reversely bent
On, further the bending end after bending is fixed, the bending end resilience of the display panel after avoiding bending, into one
Step improves the effect of bending.
Further embodiment of this invention provides a kind of display panel, the area of the display panel and previous embodiment display panel
It is not：The bending resistance fold that the pre-bending folding area 4 is arranged in is Process Character film layer, the Process Character film layer setting the pre-bending folding area just
Face.After so-called Process Character film layer refers to the bending for completing non-display area, the film layer that needs to remove.
The Process Character film layer can choose the film material that stiffness is greater than the pre-bending folding area stiffness, such as poly terephthalic acid second
Diol ester PET film.The Process Character film layer is attached to the bent area back side before non-display area reversely bend, and helps this non-
The synchronous bending reversely bent is realized in viewing area, and after the bending for completing the non-display area, the Process Character film layer is from the pre-bend
The removal of area front.By the way that the Process Character film layer is arranged, can be avoided in the reverse sync bending for guaranteeing display panel non-display area
While non-display area cabling short circuit, the non-display area thickness of the display panel after reducing bending, after being conducive to end product
Continuous assembling；And the Process Character film layer removed after completing non-display area bending can be used for other display panels, improve
The recycling rate of waterused of the Process Character film layer, it is economic and environment-friendly, save operating cost.
Further embodiment of this invention provides a kind of display panel, as shown in figure 3, the non-display area of the display panel surrounds
Viewing area, wherein non-display area includes the multiple sides for respectively corresponding each side in the viewing area, four sides of non-display area
It include bent area and pre-bending folding area, wherein being provided with bending resistance fold on the pre-bending folding area surface of each side.
It is respectively provided with bending resistance fold by the pre-bending folding area surface in each side of the non-display area, can be realized non-to this
Each side of viewing area is bent, and polygon bending demand is met.
Specifically, which can carry out multiple regions setting according to actual needs, as needed to display panel
When multiple sides are bent, bending resistance fold, as shown in Figure 3, the area AA 1 are set on the pre-bending folding area for need accordingly bending edge
Upper and lower, left and right four direction all has bent area 3 and pre-bending folding area 4, if desired the corresponding part a, b, c, d bends the part a
Bent area, then on the pre-bending folding area of the part be arranged bending resistance fold；If desired the bent area of tri- parts a, b, c is bent,
Bending resistance fold is then set on the pre-bending folding area of these three parts, multistage setting is carried out, to improve on each overbending direction
The stiffening property of bent area guarantees the synchronism of each area overbending direction Shang Fei AA bending, improves bending effect and product yield.
As the further embodiment of the present embodiment, which can be only formed in multiple sides of the display panel
Side is such as formed in two opposite sides, or is formed in two adjacent sides, or is formed in three sides etc., wherein each
Side includes bent area and pre-bending folding area, correspondingly can bend demand according to practical, be arranged on needing the side bent
There is bending resistance fold.The embodiment can be while the synchronism that guarantee display panel non-display area is reversely bent, as much as possible
The area of biggish viewing area is obtained, improves display utilization rate, while simplifying technique.
Further, the bending resistance fold positioned at the same side of display panel in the present embodiment can also be spaced
Multistage bending resistance fold, such as 2 sections, 3 sections are set as, or the only both ends in pre-bending folding area and intermediate setting, to save material.Tool
Body is set as several sections, how to arrange, does not limit this in the present embodiment, as long as bending can be realized smoothly.
Further embodiment of this invention provides a kind of display device, which includes the display surface in above-described embodiment
Plate, the display device can be smart phone, tablet computer, Intelligent bracelet, smartwatch etc., which passes through non-aobvious
Show and be provided with the bending resistance fold that stiffness is greater than the pre-bending folding area stiffness on the surface of the pre-bending folding area in area, improves the display device
The synchronism reversely bent, the open circuit of non-display area cabling, improves bending effect, after ensure that bending when avoiding reversed bending
The performance of display device.
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right
For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or
It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or
It changes still within the protection scope of the invention.
Claims (14)
1. a kind of display panel, the display panel includes viewing area and non-display area, it is characterised in that：The non-display area packet
Bent area and pre-bending folding area are included, the bent area is located at the non-display area close to the side of the viewing area, the pre-bend
Area is adjacent with the bent area, and is located at side of the non-display area far from the viewing area, on the surface of the pre-bending folding area
It is provided with bending resistance fold, wherein the stiffness of the bend resistance layer is greater than the stiffness of the pre-bending folding area.
2. display panel according to claim 1, it is characterised in that：The stiffness of the bending resistance fold is greater than 300Nm.
3. display panel according to claim 1 or 2, it is characterised in that：The stiffness of the bending resistance fold 300Nm~
Within 400Nm.
4. display panel according to claim 3, it is characterised in that：The bending resistance fold also covers the portion of the bent area
Point or all surfaces.
5. display panel according to claim 1 or 2, it is characterised in that：In a first direction, the width of the bending resistance fold
Degree is within 0~1mm, and the first direction is the viewing area to the direction of the non-display area, and the first direction is flat
Row is in the side of the display panel.
6. display panel according to claim 1, it is characterised in that：Two surfaces of the display panel are as display
The front or the back side of the pre-bending folding area is arranged in the front in face and the back side corresponding with the front, the bending resistance fold.
7. display panel according to claim 1, it is characterised in that：The bending resistance fold includes at least one layer of support film
Or at least one layer of modular structure.
8. display panel according to claim 7, it is characterised in that：The modular structure is flexible cover plate or polaroid.
9. display panel according to claim 7, it is characterised in that：The support film is polyethylene terephthalate
Ester PET film or adhesive membrane.
10. display panel according to claim 9, it is characterised in that：The adhesive membrane is double-sided adhesive.
11. display panel according to claim 10, it is characterised in that：The double-sided adhesive is set to the pre-bending folding area
The back side, the double-sided adhesive is after display panel non-display area bending to fixed bending end.
12. display panel described in -11 any one according to claim 1, it is characterised in that：The bending resistance fold is that setting exists
The positive Process Character film layer in pre-bending folding area, the Process Character film layer be after completing the bending of the non-display area, from described
The film layer of pre-bending folding area front removal.
13. display panel described in -12 any one according to claim 1, it is characterised in that：Described in the non-display area surrounds
Viewing area, the non-display area include the multiple sides for respectively corresponding each side in the viewing area, and the non-display area is extremely
A few side includes bent area and pre-bending folding area, is provided with bend resistance on the pre-bending folding area surface of at least one side
Layer.
14. a kind of display device, it is characterised in that：The display device includes display described in claim 1-13 any one
Panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810555636.0A CN108877512B (en) | 2018-05-31 | 2018-05-31 | Display panel and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810555636.0A CN108877512B (en) | 2018-05-31 | 2018-05-31 | Display panel and display device |
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| Publication Number | Publication Date |
|---|---|
| CN108877512A true CN108877512A (en) | 2018-11-23 |
| CN108877512B CN108877512B (en) | 2021-04-06 |
Family
ID=64336111
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810555636.0A Active CN108877512B (en) | 2018-05-31 | 2018-05-31 | Display panel and display device |
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Also Published As
| Publication number | Publication date |
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| CN108877512B (en) | 2021-04-06 |
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