CN209447443U - Display panel and display device - Google Patents
Display panel and display device Download PDFInfo
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- CN209447443U CN209447443U CN201920228643.XU CN201920228643U CN209447443U CN 209447443 U CN209447443 U CN 209447443U CN 201920228643 U CN201920228643 U CN 201920228643U CN 209447443 U CN209447443 U CN 209447443U
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- display panel
- metal routing
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- wiring layer
- bending resistance
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Abstract
The utility model provides a kind of display panel and display device.The display panel includes: wiring layer, in the stretchable elastic layer of predetermined thickness；Metal routing layer is embedded in wiring layer, and metal routing layer includes a plurality of metal routing, has gap between adjacent metal routing, at least one metal routing includes wavy bending resistance tune；Bending resistance tune has fine line district and thick line area on itself extending direction.In the present invention, at least one metal routing includes wavy bending section, it can be improved stretch-proof, the break resistance of metal routing, and, bending resistance tune has fine line district and thick line area in itself extending direction, the partial region overstriking of bending resistance tune is arranged, risk of breakage caused by the stretching of bending resistance tune when as folding can be further decreased.
Description
Technical field
The utility model belongs to field of display technology more particularly to a kind of display panel and display device.
Background technique
With the development of display technology, people are higher and higher to the portable demand of display device.Flexible display apparatus is because of tool
There are stretchable, foldable properties, it is easy to carry, increasingly by the favor of user.But existing folding Flexible Displays
For device when being stretched or folding, the intracorporal plain conductor tensile resistence of display screen is far below the tensile resistence of flexible screen, therefore,
It is easy to produce fracture, so as to cause display failure.
Utility model content
The utility model embodiment provides a kind of display panel and display device, it is intended to be able to ascend in display panel
The tensile resistance of plain conductor.
The utility model first embodiment provides a kind of display panel, comprising: wiring layer, in the stretchable of predetermined thickness
Elastic layer；Metal routing layer, is embedded in wiring layer, and metal routing layer includes a plurality of metal routing, between adjacent metal routing
With gap, at least one metal routing includes wavy bending resistance tune；Bending resistance tune has on itself extending direction
Fine line district and thick line area.
One aspect according to the present utility model, fine line district and the number in thick line area are multiple, fine line district in bending resistance tune
Distribution is alternateed with thick line area.
One aspect according to the present utility model, thick line distinguish the trough and/or wave for being distributed in wavy bending resistance curve
At peak.
One aspect according to the present utility model, every metal routing are distributed in a plane, each plane and wiring layer
In predetermined angle a, 60 °≤a≤90 °.
One aspect according to the present utility model further comprises: the first stretchable substrate layer is stacked in wiring layer
First surface, the first stretchable substrate layer the surface being bonded with wiring layer have multiple sides for facing away from wiring layer it is recessed
The first sunken groove；And/or the second stretchable substrate layer, it is stacked second table opposite with first surface in wiring layer
Face, the second stretchable substrate layer have the second of multiple side recess for facing away from wiring layer on the surface being bonded with wiring layer
Groove.
One aspect according to the present utility model, display panel have at least one bending region, and each metal routing resists
The corresponding bending region setting of bending section.
The line width of one aspect according to the present utility model, thick line area is successively decreased from the bending center in bending region to two sides.
One aspect according to the present utility model, wiring layer are embedded with multiple layer metal routing layer, positioned at the bending resistance of different layers
The curvature of tune is different.
One aspect according to the present utility model, the curvature of the bending resistance tune of each layer is from the bending center in bending region to two
Successively decrease side.
The second embodiment of the utility model provides a kind of display device, the display panel including any of the above-described embodiment.
In the utility model embodiment, at least one gold medal in a plurality of metal routing in the metal routing layer of display panel
Belonging to cabling includes wavy bending resistance tune, and bending resistance tune can be stretched when display panel is stretched or bends, and is improved
The stretch-proof of metal routing, break resistance.Further, bending resistance tune has fine line district and thick line in itself extending direction
The partial region overstriking of bending resistance tune is arranged, can further increase stretch-proof, the break resistance in the region by area.In addition, will
Metal routing layer is embedded in the stretchable elastic layer in predetermined thickness, can provide branch to each metal routing of metal routing layer
Support and protection, and can guarantee the tensility energy of metal routing.
Detailed description of the invention
It, below will be in the utility model embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Required attached drawing is briefly described, it should be apparent that, drawings described below is only the one of the utility model
A little embodiments for those of ordinary skill in the art without creative efforts, can also be according to these
Attached drawing obtains other attached drawings.
Fig. 1 is a kind of structural schematic diagram of display panel of the utility model embodiment；
Fig. 2 is the enlarged structure schematic diagram of the bending resistance tune in the portion A in Fig. 1；
Fig. 3 is a kind of structural schematic diagram of display panel bending state of the utility model embodiment；
Fig. 4 is the structural schematic diagram of another display panel of the utility model embodiment；
Fig. 5 is the structural schematic diagram of another display panel of the utility model embodiment.
Specific embodiment
The feature and exemplary embodiment of the various aspects of the utility model is described more fully below.It is retouched in detail in following
In stating, many details are proposed, in order to provide the comprehensive understanding to the utility model.But for those skilled in the art
It will be apparent that the utility model can be implemented in the case where not needing some details in these details for member.
Below the description of embodiment is used for the purpose of providing by showing the example of the utility model to the more preferable of the utility model
Understanding.In the the accompanying drawings and the following description, at least part of known features and technology are not shown, to avoid to this reality
Unnecessary obscure is caused with novel；Also, for clarity, may be exaggerated the size of part-structure.In addition, hereinafter being retouched
Feature, the structure or characteristic stated can be incorporated in any suitable manner in one or more embodiments.
The noun of locality of middle appearance described below is direction shown in figure, is not to the embodiments of the present invention
Specific structure is defined.In the description of the present invention, it should also be noted that, unless otherwise specific regulation and limit
Fixed, term " installation ", " connection " shall be understood in a broad sense, for example, it may be fixedly connected, may be a detachable connection or one
Connect to body；It can be directly connected, can also be indirectly connected.For the ordinary skill in the art, visual specific
Situation understands the concrete meaning of above-mentioned term in the present invention.
Display panel and display in order to better understand the utility model, below with reference to Fig. 1 to Fig. 5 to the utility model
Device is described in detail.
It is a kind of structural representation of display panel provided by the embodiment of the utility model also referring to Fig. 1 to Fig. 3, Fig. 1
Figure；Fig. 2 is the enlarged structure schematic diagram of the bending resistance tune in the portion A in Fig. 1；Fig. 3 is provided by the embodiment of the utility model a kind of aobvious
Show the structural schematic diagram of panel bending state.Display panel provided by the embodiment of the utility model can be flexible display panels,
It can be stretched or fold.
The display panel of the utility model embodiment includes wiring layer 11 and the metal routing layer for being embedded in the wiring layer 11
12.Metal routing layer 12 includes a plurality of metal routing 120, has gap, at least one metal between adjacent metal routing 120
Cabling 120 includes wavy bending resistance tune 121.Display panel is when being stretched or folding, the partial region of display panel
It is elongated, at this point, 121 curvature of bending resistance tune for being located at the elongation region of display panel becomes smaller or become straight line, to compensate bending resistance
The edge of tune 121 is elongated the development length in direction, and metal routing 120 is prevented to be broken.By taking display panel is folded as an example, such as scheme
Shown in 3, wavy bending resistance tune 121 is in display panel bending fold, the song of the bending resistance tune 121 in folding position
Rate becomes smaller, with compensate bending resistance tune 121 along folding direction due to fold caused by development length so that metal routing 120 is not
Easy fracture.And each bending resistance tune 121 has fine line district 1211 and thick line area 1212 on itself extending direction, wherein thick line area
1212 can be distributed in the biggish region of stress in stretching or bending, can further prevent the gold in stress major part region
Belong to cabling 120 to be broken.
Wiring layer 11 is the stretchable elastic layer in predetermined thickness, and metal routing layer 12 is embedded in stretchable elastic layer
In, support and protection can be provided to each metal routing 120, and the tensility energy of metal routing 120 can be kept.Wiring
The predetermined thickness of layer 11 can always occupying according to the thickness direction along the display panel of its inbuilt metal routing layer 12
Height is arranged, and the thickness of specific wiring layer 11 should be greater than or equal to a plurality of metal routing 120 in display panel thickness direction
Minimum point and highest point difference.For the specific material of wiring layer 11, the utility model with no restrictions, for example, can be
TPU (Thermoplastic polyurethanes, thermoplastic polyurethane elastomer rubber), TPEE (Thermoplastic
Polyester Elastomer, thermoplastic polyester elastomer) or PDMS (Polydimethylsiloxane, polydimethylsiloxanes
Alkane).
In the utility model embodiment, the metal routing layer 12 of display panel includes a plurality of metal routing 120, and at least one
Metal routing 120 includes wavy bending resistance tune 121, and bending resistance tune 121 can when display panel is stretched or bends
It is stretched, improves the whole stretch-proof of metal routing 120, break resistance.Further, bending resistance tune 121 itself is prolonging
Direction is stretched with fine line district 1211 and thick line area 1212, and the partial region overstriking of bending resistance tune 121 is arranged, can further be mentioned
The stretch-proof in the high region, break resistance.In addition, metal routing layer 12 is embedded in the stretchable elastic layer in predetermined thickness
In, support and protection can be provided to each metal routing 120 of metal routing layer 12, and can guarantee metal routing 120
Tensility energy.
It is understood that the metal routing 120 referred in the utility model embodiment can be positioned at display panel
Various types of cablings, such as can be data line, scan line, power supply line, driving line etc..The display of the utility model embodiment
Panel further includes some other display device, can be electrically connected with these metal routings 120, in order to clearly show metal routing
120 structure in the accompanying drawings omits some well known structures.In the present embodiment, for the material of metal routing 120
With no restrictions, metal routing 120 can be any electrically conductive metal wire such as copper wire, aluminum steel, silver wire, it is preferable that Ke Yiwei
The conducting wire being prepared using conductive silver paste.In addition, the bending resistance tune 121 for being located at thick line area 1212 can use conductive silver paste and exist
The outer application of the partial region of thin wire is widened to be formed, namely is package on the outside of the bending resistance tune 121 in thick line area 1212
There is a floor to widen area by what conductive silver paste was formed.
In some alternative embodiments, bending resistance tune 121 has multiple fine line districts 1211 and multiple thick line areas 1212, and
And thick line area 1212 and fine line district 1211 can alternate distribution.Thick line area 1212 can correspond to be distributed in stretching or bending when
The biggish region of stress.In view of the wave crest and wave trough position of wavy bending resistance tune 121 are born in stretching or bending
Stress is larger, therefore, thick line area 1212 can be correspondingly arranged at the trough of wavy bending resistance tune 121 or wave crest
Place, can also be set to simultaneously at the wave crest and trough of bending resistance tune 121.
Further, it can be distributed in a plane positioned at every metal routing 120 of wiring layer 11, be walked with simplifying metal
The preparation process of line 120.Plane and wiring layer 11 where each metal routing 120 can be in predetermined angle a, wherein 60 °
≤a≤90°.The angle a of plane and wiring layer where metal routing 120 mentioned here refers to 120 place of metal routing
The angle of horizontal plane (i.e. perpendicular to the horizontal plane of display panel thickness direction) in plane and diagram where wiring layer.When predetermined
When angle a is 90 °, the risk that bending resistance tune 121 is broken in bending can be maximally reduced.When predetermined angle a is less than
At 90 °, at for example, 60 ° or 80 °, it both can reduce the risk that bending resistance tune 121 is broken on overbending direction, can also bear
A part effectively prevent display panel along perpendicular to metal routing perpendicular to the drawing force of the extending direction of metal routing 120
Metal routing is broken when 120 extending direction stretches.It is understood that different 120 place planes of metal routing and wiring
Angle formed by layer 11 can be the same or different.Consider from processing technology, it can be by different 120 places of metal routing
Plane and wiring layer 11 are prepared into identical angle, such as 90 °.Can certainly every metal be adjusted and walked according to actual needs
Angle formed by 120 place plane of line and wiring layer 11.
The display panel of the utility model embodiment can be folded, which can have at least one bent area
Domain 10, display panel can be bent in bending region 10 to realize the foldable of display panel, it is preferable that each metal routing
The corresponding bending region 10 of 120 bending resistance tune 121 is arranged.Bending resistance tune 121 is correspondingly arranged in bending region 10, is being shown
When panel folds, the curvature of the bending resistance tune 121 in bending region 10 becomes smaller or becomes straight line, to compensate bending resistance tune 121
Due to development length caused by folding, so that metal routing 120 is not easy to break.For bend region 10 specific setting position with
And direction the utility model that display panel can be bent is with no restrictions.For example, bending region 10 can be positioned at display panel
Any position, the region that is folded for the display panel, can also be for realizing display device narrow frame and need
Part connecting line is folded into the region of display panel back side.
Please continue to refer to shown in Fig. 3, display panel is in bending, bending center (figure of the stress in bending region 10
Show at dotted line) it is larger, and successively decrease from bending center to two sides (arrow directions of diagram dotted line two sides), it therefore, can be by bending resistance
The line width in the thick line area 1212 of tune 121 is wider the setting of bending center, and successively decreases to two sides width, can save in this way
Province prepares the material of metal routing 120.Here line width can be the metal routing in Tu2Zhong thick line area 1212 along display surface plate thickness
The width W for spending direction is also possible to the metal routing in thick line area 1212 along the width perpendicular to display panel thickness direction, i.e. edge
The width of horizontal direction.And since 121 bending degree of bending resistance tune is bigger, the stress that can be born in bending is bigger, i.e.,
The curvature of bending resistance tune 121 is bigger, and the stress that can be born is bigger, therefore, can be by the curvature of bending resistance tune 121 from bent area
The bending center in domain 10 is successively decreased to two sides, is conducive to the length for reducing whole metal routing 120, to reduce resistance.
Shown referring to figure 4. in other optional embodiments, Fig. 4 is that the another kind of the utility model embodiment is aobvious
Show the structural schematic diagram of panel.Wiring layer 11 can be embedded with multiple layer metal routing layer 12, and the metal for being located at different layers is walked
The curvature of the bending resistance tune 121 of line 120 is different.In a kind of wherein optional implementation, the display panel of the present embodiment is
Unidirectional folding display panel, the i.e. display panel are bent only towards the side of display panel, since bending resistance tune 121 is got over
Amount of tension close to the inside region of the display panel of bending is smaller, and the amount of tension far from inside region is bigger, therefore, closer to
The curvature of the bending resistance tune 121 of the inside region of the display panel of bending can be less than the bending resistance tune 121 far from inside region
Curvature.For example, the curvature of the bending resistance tune 121 of different layers can be from the close inside region of the display panel of bending far from
Inside region is successively decreased.Resistance can be caused to increase to avoid the too long of the setting of bending resistance tune 121 that will be close to inside region in this way.
In another optional implementation, the display panel of the present embodiment is two-way folding display panel namely the display
Panel can be bent towards the opposite two sides of display panel, in this way, due to the thickness direction along display panel, among display panel
The bending degree of layer is relatively small, and the bending degree of two sides is changeable, therefore, in order to adapt to the bending of both direction, position
In the metal routing 120 of two sides bending resistance tune 121 curvature relative to middle layer metal routing 120 bending resistance tune 121
Curvature it is larger.
In some alternative embodiments, shown in referring to figure 5., Fig. 5 is another display of the utility model embodiment
The structural schematic diagram of panel.The display panel of the present embodiment can also include the first stretchable substrate layer 13, the first stretchable lining
Bottom 13 is stacked with wiring layer 11, can be set in the first surface of wiring layer 11, namely the following table of diagram wiring layer 11
Face, the first stretchable substrate layer 13 can be used for providing support and protection for other layer of structure of display panel.It can be drawn first
The surface being bonded with wiring layer 11 for stretching substrate layer 13 is provided with the first recessed of multiple sides recess for facing away from wiring layer 11
Slot 131, the setting of the first groove 131 can increase the tensility energy and foldability energy of display panel, for the first groove
131 concrete shape the utility model embodiment with no restrictions, such as the thickness direction along display panel of first groove 131
Section can be the combination of one or more of semicircle, triangle, rectangle, trapezoidal.
Further, the display panel of the present embodiment can also include the second stretchable substrate layer 14, the second stretchable lining
Bottom 14 is stacked in the side away from the first stretchable substrate layer 13 of wiring layer 11, the i.e. first surface with wiring layer 11
Opposite second surface, the second stretchable substrate layer 14 can be used for providing support and guarantor for other layer of structure of display panel
Shield.Have multiple sides for facing away from wiring layer 11 recessed on the surface of the second stretchable substrate layer 14 being bonded with wiring layer 11
The second sunken groove 141, likewise, the setting of the second groove 141 can increase display panel tensility can and it is foldable
Performance, for the second groove 141 concrete shape the utility model embodiment with no restrictions, such as the first groove 131 edge can
The section of the thickness direction of Folding display panel is the combination of one or more of semicircle, triangle, rectangle, trapezoidal.
The first stretchable substrate layer 13 of the present embodiment and the material of the second stretchable substrate layer 14 can be TPU, TPEE
At least one of with PDMS.
The utility model additionally provides a kind of embodiment of display device, which includes any of the above-described embodiment
Display panel.The display device can be display panel, or mobile phone, tablet computer, television set, laptop, number
Any products or components having a display function such as code photo frame, navigator, Electronic Paper.It can also be stretchable displayer, artificial
Show skin, convex or 3D abnormal shape display etc..Since the utility model embodiment includes the display panel of above-described embodiment, because
This, the beneficial effect of the display panel with above-described embodiment, details are not described herein.
The utility model can be realized in other specific forms, without departing from its spirit and essential characteristics.For example, specific
Algorithm described in embodiment can be modified, and system architecture is without departing from the essence spirit of the utility model.Cause
This, current embodiment is all counted as being exemplary rather than in all respects limited, and the scope of the utility model is by institute
Attached claim rather than foregoing description define, also, fall into the meaning of claim and whole in the range of equivalent change
To all be included among the scope of the utility model.
Claims (10)
1. a kind of display panel characterized by comprising
Wiring layer, in the stretchable elastic layer of predetermined thickness；
Metal routing layer is embedded in the wiring layer, and the metal routing layer includes a plurality of metal routing, the adjacent metal
There is gap, at least one metal routing includes wavy bending resistance tune between cabling；
The bending resistance tune has fine line district and thick line area on itself extending direction.
2. display panel according to claim 1, which is characterized in that fine line district described in the bending resistance tune and described thick
The number in line area be it is multiple, the fine line district and the thick line area alternate distribution.
3. the display panel according to claim 2, which is characterized in that the thick line distinguish be distributed in it is wavy described anti-
At the trough and/or wave crest of bending section.
4. display panel according to claim 1, which is characterized in that every metal routing is distributed in a plane,
Each plane and the wiring layer are in predetermined angle a, wherein 60 °≤a≤90 °.
5. display panel according to claim 1-4, which is characterized in that further comprise:
First stretchable substrate layer is stacked in the first surface of the wiring layer, the first stretchable substrate layer with
The surface of the wiring layer fitting has the first groove of multiple side recess for facing away from the wiring layer；And/or
Second stretchable substrate layer is stacked the second surface opposite with the first surface in the wiring layer, described
Second stretchable substrate layer on the surface being bonded with the wiring layer there are multiple sides for facing away from the wiring layer to be recessed
The second groove.
6. display panel according to claim 1-4, which is characterized in that the display panel has at least one
Region is bent, the bending resistance tune of each metal routing corresponds to the bending region setting.
7. display panel according to claim 6, which is characterized in that the line width in the thick line area is from the bending region
Successively decrease to two sides at bending center.
8. display panel according to claim 6, which is characterized in that the wiring layer is embedded with metal routing described in multilayer
Layer, the curvature positioned at the bending resistance tune of different layers are different.
9. display panel according to claim 8, which is characterized in that the curvature of the bending resistance tune of each layer is from described curved
Successively decrease to two sides at the bending center in folding area domain.
10. a kind of display device, which is characterized in that including the described in any item display panels of claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920228643.XU CN209447443U (en) | 2019-02-21 | 2019-02-21 | Display panel and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920228643.XU CN209447443U (en) | 2019-02-21 | 2019-02-21 | Display panel and display device |
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| Publication Number | Publication Date |
|---|---|
| CN209447443U true CN209447443U (en) | 2019-09-27 |
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ID=68033414
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|---|---|---|---|
| CN201920228643.XU Active CN209447443U (en) | 2019-02-21 | 2019-02-21 | Display panel and display device |
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|---|---|---|---|---|
| CN110534027A (en) * | 2019-10-09 | 2019-12-03 | 昆山工研院新型平板显示技术中心有限公司 | The production method of display panel, display device and display panel |
| CN110931530A (en) * | 2019-11-26 | 2020-03-27 | 武汉华星光电半导体显示技术有限公司 | Display panel and manufacturing method thereof |
| CN111081148A (en) * | 2019-12-25 | 2020-04-28 | 霸州市云谷电子科技有限公司 | Display panel and display device |
| CN111613138A (en) * | 2020-05-19 | 2020-09-01 | 武汉华星光电半导体显示技术有限公司 | Display panel and display device |
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| US11398621B2 (en) | 2019-11-26 | 2022-07-26 | Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | Display panel and method of manufacturing the same |
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| CN111653199A (en) * | 2020-06-28 | 2020-09-11 | 武汉华星光电技术有限公司 | Display device |
| US11877470B2 (en) * | 2020-08-27 | 2024-01-16 | Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | Display module including fluid material filled accamodation space |
| US20220320464A1 (en) * | 2020-08-27 | 2022-10-06 | Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | Display module |
| CN112419892A (en) * | 2020-11-16 | 2021-02-26 | 上海天马有机发光显示技术有限公司 | Display panel and display device |
| CN114387884A (en) * | 2022-01-10 | 2022-04-22 | 深圳市华星光电半导体显示技术有限公司 | Flexible display screen and display device |
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| CN114596782A (en) * | 2022-03-17 | 2022-06-07 | 武汉华星光电半导体显示技术有限公司 | Folding screen equipment and flexible display module thereof |
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