CN108877522A - A kind of display panel and display device - Google Patents
A kind of display panel and display device Download PDFInfo
- Publication number
- CN108877522A CN108877522A CN201810694267.3A CN201810694267A CN108877522A CN 108877522 A CN108877522 A CN 108877522A CN 201810694267 A CN201810694267 A CN 201810694267A CN 108877522 A CN108877522 A CN 108877522A
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- China
- Prior art keywords
- pole plate
- display panel
- bending region
- bending
- extending direction
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Classifications
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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
Abstract
The embodiment of the invention provides a kind of display panel and display devices, are related to field of display technology, for improving the bending performance of storage capacitance, and then improve the job stability of display panel.Display panel includes：The viewing area of underlay substrate, underlay substrate is equipped with multiple sub-pixels, and each sub-pixel includes pixel circuit and light-emitting component, wherein pixel circuit includes thin film transistor (TFT) and storage capacitance, and storage capacitance includes the first pole plate and the second pole plate being oppositely arranged；Viewing area includes bending region, and bending region has bending axis, and the angle in the first pole plate and/or the second pole plate that bending region memory storage is held between the extending direction at least one side and the extending direction for bending axis is α, α≤30 °.Above-mentioned display panel shows for realizing picture.
Description
【Technical field】
The present invention relates to field of display technology more particularly to a kind of display panel and display devices.
【Background technique】
With the continuous development of display technology and diversified demand of the user to display device, the display of flexible folding
Panel is more and more widely used.
Multiple pixel circuits are equipped in the viewing area of display panel, each pixel circuit includes storage capacitance, general next
It says, storage capacitance is made of the metal polar plate that two shapes being oppositely arranged are rectangle.But for the aobvious of flexible folding
Show for panel, with the increase of bending number, the metal polar plate of storage capacitance is it is possible that the case where being broken, causes to store
The capacitance of capacitor deviates standard value, can also storage capacitance be made short circuit phenomenon occur when serious, influence the normal work of display panel
Make.
【Summary of the invention】
In view of this, the embodiment of the invention provides a kind of display panel and display devices, for improving storage capacitance
Bending performance, and then improve the job stability of display panel.
On the one hand, the embodiment of the invention provides a kind of display panel, the display panel includes：
Underlay substrate, the viewing area of the underlay substrate are equipped with multiple sub-pixels, and each sub-pixel includes pixel electricity
Road and light-emitting component, wherein the pixel circuit includes thin film transistor (TFT) and storage capacitance, and the storage capacitance includes opposite sets
The first pole plate and the second pole plate set；
The viewing area includes bending region, and the bending region has bending axis, the storage in the bending region
The extension side of the extending direction at least one side and the bending axis in first pole plate and/or second pole plate of capacitor
Angle between is α, α≤30 °.
On the other hand, the embodiment of the invention provides a kind of display device, the display device includes above-mentioned display panel.
A technical solution in above-mentioned technical proposal has the advantages that：
For the sub-pixel in bending region, by changing the first pole plate and/or the second pole plate in storage capacitance
Shape makes at least one pole plate there are the angle that a side and bending axis are in smaller angle, can be to avoid folding shaft and any
The case where being mutually perpendicular between capacitor plate avoids generating and answer so as to discharge the stress generated inside display panel
The concentration of power.To the stress of reduced display panel bent area, enhance the bending resistance of display panel entirety.As it can be seen that adopting
The technical solution provided by the embodiment of the present invention passes through the first pole plate for enabling bending region memory storage hold and/or the second pole
It can be improved between the extending direction at least one side and the extending direction for bending axis in the angle less than or equal to 30 ° in plate
The bending performance of first pole plate and/or the second pole plate, and then improve the bending performance of storage capacitance.So, when to display
When panel is bent, the risk that the pole plate of storage capacitance is broken can reduce, and then storage capacitance is avoided open circuit occur
Or the situation of short circuit, improve the job stability of display panel.
【Detailed description of the invention】
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for this field
For those of ordinary skill, without creative efforts, it can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is the structural schematic diagram of display panel provided by the embodiment of the present invention；
Fig. 2 is cross-sectional view of the Fig. 1 along the direction A1-A2；
Fig. 3 is the structural schematic diagram of the storage capacitance in bending region provided by the embodiment of the present invention；
Fig. 4 is the emulation schematic diagram of angle α provided by the embodiment of the present invention Yu radius of curvature relationship；
Fig. 5 is another structural schematic diagram of the storage capacitance in bending region provided by the embodiment of the present invention；
Fig. 6 is the structural schematic diagram in bending region provided in an embodiment of the present invention and the storage capacitance in non-bending region；
Fig. 7 is that bending region provided in an embodiment of the present invention and the non-another structure for bending the storage capacitance in region are shown
It is intended to；
Fig. 8 is another structural schematic diagram of the storage capacitance in bending region provided in an embodiment of the present invention；
Fig. 9 is the structural schematic diagram of display device provided in an embodiment of the present invention.
【Specific embodiment】
For a better understanding of the technical solution of the present invention, being retouched in detail to the embodiment of the present invention with reference to the accompanying drawing
It states.
It will be appreciated that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Base
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts it is all its
Its embodiment, shall fall within the protection scope of the present invention.
The term used in embodiments of the present invention is only to be not intended to be limiting merely for for the purpose of describing particular embodiments
The present invention.In the embodiment of the present invention and the "an" of singular used in the attached claims, " described " and "the"
It is also intended to including most forms, unless the context clearly indicates other meaning.
It should be appreciated that term "and/or" used herein is only a kind of incidence relation for describing affiliated partner, indicate
There may be three kinds of relationships, for example, A and/or B, can indicate：Individualism A, exists simultaneously A and B, individualism B these three
Situation.In addition, character "/" herein, typicallys represent the relationship that forward-backward correlation object is a kind of "or".
It will be appreciated that though pole plate may be described using term first, second in embodiments of the present invention, but these poles
Plate should not necessarily be limited by these terms.These terms are only used to for pole plate being distinguished from each other out.For example, not departing from model of the embodiment of the present invention
In the case where enclosing, the first pole plate can also be referred to as the second pole plate, and similarly, the second pole plate can also be referred to as the first pole plate.
The embodiment of the invention provides a kind of display panels, and as shown in FIG. 1 to 3, Fig. 1 is provided by the embodiment of the present invention
Display panel structural schematic diagram, Fig. 2 be Fig. 1 along the direction A1-A2 cross-sectional view, Fig. 3 be the embodiment of the present invention provided by
The structural schematic diagram of the storage capacitance in region is bent, display panel includes underlay substrate 1, is set in the viewing area 2 of underlay substrate 1
There are multiple sub-pixels 3, each sub-pixel 3 includes pixel circuit 4 and light-emitting component 5, wherein pixel circuit 4 includes film crystal
Pipe 6 and storage capacitance 7, storage capacitance 7 include the first pole plate 8 and the second pole plate 9 being oppositely arranged.
Viewing area 2 includes bending region 10, and bending region 10 has bending axis 11, bends storage capacitance 7 in region 10
In first pole plate 8 and/or the second pole plate 9 extending direction at least one side and bend axis 11 extending direction between angle be
α, α≤30 °.
It should be noted that the extending direction of bending axis 11 can both extend to be shown in FIG. 1 along line direction, it can also edge
Column direction extends, and can also be obliquely extended.Bend the extending direction of axis 11 specifically can according to the bending mode of display panel into
Row setting, the present invention is not especially limit this.
It should be noted that the first pole plate 8 of the storage capacitance 7 of the embodiment of the present invention is located at film crystal in Fig. 3
Between the grid layer of pipe 6 and the source-drain electrode of thin film transistor (TFT) 6.The grid of second pole plate 9 and thin film transistor (TFT) 6 of storage capacitance 7
Layer is located on the same floor.In other embodiments of the invention, can also with other levels make storage capacitance the first pole plate and
Second pole plate.
For the sub-pixel 3 in bending region 10, by changing the first pole plate 8 and/or second in storage capacitance 7
The shape of pole plate 9 makes to reduce there are the angle that a side and bending axis 11 are in smaller angle in the first pole at least one pole plate
Situations such as stress is concentrated is generated on plate 8 and/or the second pole plate 9, phase can occurs to avoid between folding shaft and any capacitor plate
Mutually vertical situation avoids the concentration for generating stress so as to discharge the stress generated inside display panel.It is aobvious to reduce
Show the stress of panel bent area, enhances the bending resistance of display panel entirety.Also, as shown in figure 4, Fig. 4 is that the present invention is real
The emulation schematic diagram for applying angle α provided by example Yu radius of curvature relationship, according to Fig. 4 as can be seen that when α≤30 °, the angle
The radius of curvature of corresponding first pole plate 8 or the second pole plate 9 is larger, that is, the bending degree that the pole plate is able to bear is higher, curved
Folding endurance can be also just preferable.
Therefore using display panel provided by the embodiment of the present invention, by enabling storage capacitance 7 in bending region 10
The first pole plate 8 and/or the second pole plate 9 at least one side extending direction and bend axis 11 extending direction between in being less than
Or the angle equal to 30 °, the bending performance of the first pole plate 8 and/or the second pole plate 9 can be improved, and then improve storage capacitance 7
Bending performance.So, when bending to display panel, it can reduce what the pole plate of storage capacitance 7 was broken
Risk, and then storage capacitance 7 is avoided the situation of open circuit or short circuit occur, improve the job stability of display panel.
Referring again to Fig. 3, by taking the shape of the first pole plate 8 and/or the second pole plate 9 is diamond shape as an example, when α is too small, the
The polar plate area of one pole plate 8 and/or the second pole plate 9 will be too small, and then leads between two pole plates that positive area is too small, causes
The capacitance of storage capacitance 7 is unable to satisfy actual demand.Based on this, to avoid α too small, angle α >=10 ° can be also enabled, in this way, both
Can guarantee has enough positive areas between the first pole plate 8 and the second pole plate 9, can be improved the bending performance of storage capacitance 7.
Optionally, referring again to Fig. 3, the first pole plate 8 of storage capacitance 7 and the second pole in bending region 10 can also be enabled
The shape of plate 9 is identical.When the shape of two pole plates is identical, on the one hand, can make in the first pole plate 8 and the second pole plate 9
There are the angles between the extending direction at least one side and the extending direction of bending axis 11 to be less than or equal to 30 °, in this way can
The bending performance for improving two pole plates simultaneously, to further increase the bending performance of entire storage capacitance 7；On the other hand, also
The manufacture craft of storage capacitance 7 can be simplified.
First pole plate 8 and the second pole plate 9 can be various shapes, can be diamond shape as shown in Figure 3, or such as Fig. 5
Shown in polygon.
Referring again to Fig. 3, when the shape of the first pole plate 8 and the second pole plate 9 is diamond shape, further, in the first pole
In two adjacent sides of plate 8, the angle between the extending direction of any side and the extending direction for bending axis 11 is respectively less than or is equal to
30°；Also, in two adjacent sides of the second pole plate 9, between the extending direction of any side and the extending direction for bending axis 11
Angle is respectively less than or is equal to 30 °.Using this kind of set-up mode, the extending direction on whole sides is equal in the first pole plate 8 and the second pole plate 9
Extending direction with bending axis 11 is in low-angle angle, when bending to bending region 10, can reduce 8 He of the first pole plate
The phenomenon that stress on second pole plate 9 is concentrated, that is, further improve the bending performance of storage capacitance 7.
Alternatively, as shown in figure 5, Fig. 5 is the another kind of the storage capacitance in bending region provided by the embodiment of the present invention
Structural schematic diagram can enable the first pole plate 8 and the second pole plate 9 when the shape of the first pole plate 8 and the second pole plate 9 is polygon
In be respectively present multiple sides extending direction and bend axis 11 extending direction between angle be less than or equal to 30 °.Using this
Set-up mode is planted, extension side of the extending direction on multiple sides with bending axis 11 is respectively present in the first pole plate 8 and the second pole plate 9
To being in low-angle angle, when being bent to bending region 10, equally can reduce on the first pole plate 8 and the second pole plate 9
The phenomenon that stress is concentrated.
It is understood that in the manufacture craft of storage capacitance 7, caused by inevitably will appear by contraposition deviation
The physical location of pole plate deviates the case where its normal place, if the first pole plate 8 is identical with the size of the second pole plate 9, when the first pole
When the setting position of plate 8 and/or the second pole plate 9 shifts, the positive area that will lead between two pole plates reduces, in turn
The actual capacitance value of storage capacitance 7 is caused to be less than its standard capacitor-value.And in embodiments of the present invention, optionally, please join again
See Fig. 2, the first pole plate 8 can be enabled to cover the second pole plate 9.It is larger by doing the size of the first pole plate 8, it is larger than
The size of two pole plates 9, in this way, even if deviation occurs in the position of some pole plate, between the first pole plate 8 and the second pole plate 9 just
It will not change to area, and then guarantee that storage capacitance 7 keeps its capacity standard value.
In addition, viewing area 2 may also include non-bending region, at this point, the pole plate shape of the storage capacitance 7 in non-bending region
It may be the same or different with the pole plate shape of the storage capacitance 7 in bending region 10.
Specifically, as shown in fig. 6, Fig. 6 is depositing in bending region 10 provided in an embodiment of the present invention and non-bending region
The structural schematic diagram that storage is held to simplify the manufacture craft of storage capacitance 7, and increases the arrangement regularity of storage capacitance 7, can
To enable the shape of the first pole plate 8 in non-bending region 12 identical as the shape of the first pole plate 8 in bending region 10, and/or,
The shape of the second pole plate 9 in non-bending region 12 is identical as the shape of the second pole plate 9 in bending region 10.Also, it is non-curved
The pattern of first pole plate 8 in folding area domain 12 is identical as the pattern after the first pole plate 8 translation that will be bent in region 10；Non- bent area
The pattern of the second pole plate 9 in domain 12 is identical as the pattern after the second pole plate 9 translation that will be bent in region 10.
Alternatively, as shown in fig. 7, Fig. 7 is the storage electricity in bending region provided in an embodiment of the present invention and non-bending region
Another structural schematic diagram of appearance can also enable the shape of the first pole plate 8 in non-bending region 12 and bend in region 10
The shape of first pole plate 8 is different；And/or the in the shape and bending region 10 of the second pole plate 9 in non-bending region 12
The shape of two pole plates 9 is different.In the embodiment of the present invention according to non-bent area and bent area in bending operation generated stress
Bent area and non-bent area are carried out capacitive electrode plates design of different shapes, to ensure that the capacitor of non-bent area by difference
Charge storage, also achieve and dispersed in bent area stress concentration point, the beneficial effects such as whole interior stress decrease.
Optionally, as shown in figure 8, Fig. 8 is another of the storage capacitance in bending region provided in an embodiment of the present invention
Structural schematic diagram, the first pole plate 8 and/or the second pole plate 9 for bending storage capacitance 7 in region 10 may also be configured to fenestral fabric
(it is fenestral fabric that Fig. 8, which only illustrates the first pole plate 8).Enable pole plate using fenestral fabric, since reticular structure can be substantially
The extension of crackle and the release of stress are reduced, the risk that pole plate is broken can be greatly reduced, further increase storage capacitance 7
Stability, while also improving the buckle resistance of storage capacitance.Further, referring again to Fig. 8, the first pole plate 8 and/or
The mesh of second pole plate 9 is diamond shape, and the extending direction of the grid item of the first pole plate 8 and/or the second pole plate 9 and bending axis 11
Angle between extending direction is respectively less than or is equal to 30 °.Enable the grid item of the first pole plate 8 and/or the second pole plate 9 and bending axis 11
In low-angle angle, when the bending region 10 to display panel is bent, the tough of each grid item in pole plate can be improved
Property, to largely reduce the risk of the first pole plate 8 and/or the fracture of the second pole plate 9.
The embodiment of the invention also provides a kind of display devices, as shown in figure 9, Fig. 9 is provided in an embodiment of the present invention aobvious
The structural schematic diagram of showing device, display device include above-mentioned display panel 100.Wherein, the specific structure of display panel 100 has been
It is described in detail in the above-described embodiments, details are not described herein again.Certainly, display device shown in Fig. 9 is only to illustrate
Illustrate, which, which can be, any such as mobile phone, tablet computer, laptop, electric paper book or television set has
The electronic equipment of display function.
The display device as provided by the embodiment of the present invention includes above-mentioned display panel 100, it is filled when to the display
It sets when being bent, can reduce the risk that the pole plate of storage capacitance in display panel is broken, and then avoid storage capacitance
There is the situation of open circuit or short circuit, improves the job stability of display device.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent substitution, improvement and etc. done be should be included within the scope of the present invention.
Claims (11)
1. a kind of display panel, which is characterized in that the display panel includes：
Underlay substrate, the viewing area of the underlay substrate are equipped with multiple sub-pixels, each sub-pixel include pixel circuit and
Light-emitting component, wherein the pixel circuit includes thin film transistor (TFT) and storage capacitance, and the storage capacitance includes being oppositely arranged
First pole plate and the second pole plate；
The viewing area includes bending region, and the bending region has bending axis, the storage capacitance in the bending region
First pole plate and/or second pole plate at least one side extending direction and it is described bending axis extending direction it
Between angle be α, α≤30 °.
2. display panel according to claim 1, which is characterized in that angle α >=10 °.
3. display panel according to claim 1, which is characterized in that the storage capacitance is described in the bending region
First pole plate is identical with the shape of second pole plate.
4. display panel according to claim 1, which is characterized in that the shape of first pole plate and second pole plate
For diamond shape.
5. display panel according to claim 4, which is characterized in that in two adjacent sides of first pole plate, appoint
Angle between the extending direction on one side and the extending direction of the bending axis is respectively less than or is equal to 30 °；
In two adjacent sides of second pole plate, between the extending direction of any side and the extending direction of the bending axis
Angle is respectively less than or is equal to 30 °.
6. display panel according to claim 1, which is characterized in that the shape of first pole plate and second pole plate
For polygon, the extending direction on multiple sides and prolonging for the bending axis are respectively present in first pole plate and second pole plate
The angle stretched between direction is less than or equal to 30 °.
7. display panel according to claim 1, which is characterized in that first pole plate covers second pole plate.
8. display panel according to claim 1, which is characterized in that the viewing area further includes non-bending region；
The shape of first pole plate in the non-bending region and the shape of first pole plate in the bending region
It is identical, also, it is described it is non-bending region first pole plate pattern with by it is described bending region in first pole plate
Pattern after translation is identical；
And/or second pole plate in the shape and the bending region of second pole plate in the non-bending region
Shape it is identical, also, the pattern of second pole plate in the non-bending region with will be described in the bending region
Pattern after the translation of second pole plate is identical.
9. display panel according to claim 1, which is characterized in that the storage capacitance is described in the bending region
First pole plate and/or second pole plate are fenestral fabric.
10. display panel according to claim 9, which is characterized in that first pole plate and/or second pole plate
Mesh is diamond shape；
Between the extending direction of the grid item of first pole plate and/or second pole plate and the extending direction of the bending axis
Angle be respectively less than or be equal to 30 °.
11. a kind of display device, which is characterized in that the display device includes as claim 1~10 is described in any item aobvious
Show panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810694267.3A CN108877522B (en) | 2018-06-29 | 2018-06-29 | Display panel and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810694267.3A CN108877522B (en) | 2018-06-29 | 2018-06-29 | Display panel and display device |
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| Publication Number | Publication Date |
|---|---|
| CN108877522A true CN108877522A (en) | 2018-11-23 |
| CN108877522B CN108877522B (en) | 2020-09-15 |
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| CN201810694267.3A Active CN108877522B (en) | 2018-06-29 | 2018-06-29 | Display panel and display device |
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| CN108877522B (en) | 2020-09-15 |
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