CN209150099U - A kind of display panel and display device - Google Patents
A kind of display panel and display device Download PDFInfo
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- CN209150099U CN209150099U CN201920035805.8U CN201920035805U CN209150099U CN 209150099 U CN209150099 U CN 209150099U CN 201920035805 U CN201920035805 U CN 201920035805U CN 209150099 U CN209150099 U CN 209150099U
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Abstract
The utility model discloses a kind of display panel and display devices.The display panel includes substrate, and substrate includes viewing area and the non-display area positioned at viewing area periphery.Non-display area includes bent area.Non-display area includes the first cabling being set on substrate, and the part that the first cabling is located at least in bent area is nano metal cabling.It is nano metal cabling by the first cabling of setting, make the first cabling that there is good ductility and bending resistance, there is good electric conductivity simultaneously, so as to reduce the first risk for walking thread breakage when bent area is bent, and then improve the reliability being electrically connected between the viewing area of display panel and binding area, the phenomenon that avoiding display panel driving failure, improves the yield of display panel.
Description
Technical field
The utility model embodiment is related to field of display technology more particularly to a kind of display panel and display device.
Background technique
In recent years, to realize display panel full screen display, so that user is obtained better viewing experience, improve screen accounting, need
Binding area is folded to the back side, to reduce frame.And during fold, lead to bending technique because metal routing is easily broken off
Failure, so as to cause driving display panel failure.
Utility model content
The utility model provides a kind of display panel and display device, reduces the wind that thread breakage is walked in display panel bent area
Danger, to improve the yield of display panel.
In a first aspect, the utility model embodiment provides a kind of display panel, comprising:
Substrate, the substrate include viewing area and the non-display area positioned at the viewing area periphery；The non-display area packet
Include bent area；
The non-display area includes the first cabling being set on the substrate, and first cabling is located at least in described curved
The part of folding area is nano metal cabling.
Specifically, the nano metal cabling is nano-silver thread, NANO CRYSTAL COPPER WIRE or nanometer nickel wire.
Specifically, the projection at least partially curved shape of first cabling on the substrate.
Specifically, display panel further includes protective layer；The protective layer is arranged in the bent area, and covers described the
One cabling.
Specifically, the protective layer is organic layer.
Specifically, the non-display area further includes the inorganic layer for being set to the substrate surface, the first cabling setting
In surface of the inorganic layer far from the substrate；
The inorganic layer is provided at least one groove far from the surface of the substrate, and first cabling is at least partly set
It is placed in the groove.
Specifically, display panel further include:
The viewing area of the substrate is arranged in tft layer, described thin on the direction far from the substrate
Film transistor layer successively includes semiconductor active layer, gate insulating layer, grid layer, interlayer insulating film and the source-drain electrode for stacking setting
Metal layer；
The inorganic layer and the gate insulating layer or the interlayer insulating film same layer are arranged.
Specifically, display panel further include:
Second cabling, second cabling are set to the viewing area；
External terminal, the external terminal are set to the binding area；
First cabling one end is electrically connected with second cabling, and the other end is electrically connected with the external terminal.
Specifically, second cabling is nano metal cabling.
Second aspect, the utility model embodiment additionally provide a kind of display device, including the utility model is arbitrarily implemented
The display panel that example provides.
The technical solution of the utility model, display panel include substrate, and substrate includes viewing area and is located at viewing area periphery
Non-display area.Non-display area includes bent area.Non-display area includes the first cabling being set on substrate, and the first cabling is at least
Part positioned at bent area is nano metal cabling.It is nano metal cabling by the first cabling of setting, there is the first cabling
Good ductility and bending resistance, while there is good electric conductivity, it is walked so as to reduce by first when bent area is bent
The risk of thread breakage, and then the reliability being electrically connected between the viewing area of display panel and binding area is improved, avoid display
The phenomenon that panel driving fails, improves the yield of display panel.
Detailed description of the invention
Fig. 1 is a kind of overlooking structure diagram of display panel provided by the embodiment of the utility model；
Fig. 2 is the schematic diagram of the section structure of the A-A ' along Fig. 1；
Fig. 3 is a kind of bending sketch map of display panel provided by the embodiment of the utility model；
Fig. 4 is the overlooking structure diagram of another display panel provided by the embodiment of the utility model；
Fig. 5 is the bending sketch map of another display panel provided by the embodiment of the utility model；
Fig. 6 is the overlooking structure diagram of another display panel provided by the embodiment of the utility model；
Fig. 7 is the schematic diagram of the section structure of the B-B ' along Fig. 6；
Fig. 8 is the overlooking structure diagram of another display panel provided by the embodiment of the utility model；
Fig. 9 is the schematic diagram of the section structure of another display panel provided by the embodiment of the utility model；
Figure 10 is a kind of structural schematic diagram of display device provided by the embodiment of the utility model.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples.It is understood that herein
Described specific embodiment is used only for explaining the utility model, rather than the restriction to the utility model.It further needs exist for
It is bright, part relevant to the utility model is illustrated only for ease of description, in attached drawing rather than entire infrastructure.
In the prior art, binding area is folded into the bending technology at the display panel back side is that full frame Rimless display panel is adopted
Core technology.The bent area of display panel includes substrate and is disposed on the substrate cabling, and wherein substrate can use and have
Machine material, such as polyimides (PI) material can be used.When being bent to bent area, since the inside of bending is base
Plate uses the PI material that quality is softer, causes the bending arc top of bent area unsmooth, easily causes bent area to occur dead
Angle, to cause away thread breakage.
Based on the above issues, the utility model embodiment provides a kind of display panel.Fig. 1 is the utility model embodiment
A kind of overlooking structure diagram of the display panel provided, Fig. 2 are the schematic diagram of the section structure of the A-A ' along Fig. 1, and Fig. 3 is this reality
With a kind of bending sketch map for display panel that new embodiment provides.Referring to Fig. 1 to Fig. 3, which includes substrate 10,
Substrate 10 includes viewing area 11 and the non-display area 12 positioned at 11 periphery of viewing area.Non-display area 12 includes bent area 121.It is non-aobvious
Show that area 12 includes the first cabling 13 being set on substrate 10, the part that the first cabling 13 is located at least in bent area 121 is nanometer
Metal routing.
It specifically, as shown in Figure 1 to Figure 3, further include the pixel unit of array arrangement, pixel on the viewing area 11 of substrate 10
Being electrically connected between unit and binding area 122 is realized by the first cabling 13 of bent area 121.Bent area 121 is non-display area
12 occur the region of bending deformation.Non-display area 12 can also include binding area 122, and bent area 121 is located at viewing area 11 and ties up
Determine between area 122.When bent area 121 is bent, and binding area 122 is made to be folded into the back side of display panel, the first of bent area 121
Cabling 13 is equally bent to the back side of display panel, thus the first cabling 13 need to bear itself is generated when bending stress and
The stress that substrate 10 discharges.It is nano metal cabling by the first cabling 13 of setting, it is good to make it have ductility, more resistant to bending
Characteristic.The good characteristic of ductility can reduce the stress itself generated when the bending of the first cabling 13, can be with more resistant to the characteristic of bending
Make the first cabling 13 be not susceptible to be broken when bearing the stress of the release of substrate 10, therefore is nanometer by the first cabling 13 of setting
Metal routing can reduce the risk of the first cabling 13 fracture, so as to improve the viewing area 11 and binding area of display panel
The reliability being electrically connected between 122 avoids the phenomenon that display panel driving is failed, improves the yield of display panel.
In addition, because the first cabling 13 is nano metal cabling, and because of the breadth wise dimension very little of nano metal cabling, relatively
For common metal cabling, carrier will show in borderline scattering phenomenon, therefore have relative to common metal cabling
There is better electric conductivity.Therefore, it is nano metal cabling by the first cabling 13 of setting, it is curved can not only reduces bent area 121
The risk of breakage of the first cabling 13 is rolled over, while can have better electric conductivity, is realized between viewing area 11 and binding area 122
Electrical connection.
It should be noted that the utility model embodiment to the type of the first cabling 13 without limitation.For example, the first cabling
13 can be grid line, data line or public electrode wire etc..In addition, the present embodiment does not also do specific limit to the number of bent area 121
Fixed, display panel may include one or more bent areas 121.
The technical solution of the present embodiment, the first cabling by the way that bent area is arranged is nano metal cabling, makes the first cabling
With good ductility and bending resistance, while there is good electric conductivity, so as to reduce by when bent area is bent
One walks the risk of thread breakage, and then improves the reliability being electrically connected between the viewing area of display panel and binding area, avoids
The phenomenon that display panel driving failure, improve the yield of display panel.
Based on the above technical solution, nano metal cabling can be nano-silver thread, NANO CRYSTAL COPPER WIRE or nanometer nickel wire
One or more.
Specifically, viewing area 11 includes multiple pixel units, and multiple pixel units are both needed to be electrically connected with binding area 122, because
This bent area 121 includes a plurality of first cabling 13.A plurality of first cabling 13 is nano metal cabling.Preferably, a plurality of first
Cabling 13 is same nano metal cabling, can be in the technique of production display panel, and bent area 121 on the substrate 10 is logical
It crosses coating, printing or the mode of inkjet printing to deposit one layer of nano metal line and dry, using etching (such as laser, wet
Method etching or dry etching) method etch 13 structure of the first cabling.
Fig. 4 is the overlooking structure diagram of another display panel provided by the embodiment of the utility model.As shown in figure 4,
The projection at least partially curved shape of first cabling 13 on the substrate 10.
Specifically, as shown in figure 4,13 part of the first cabling is curved shape, drawing for the first cabling 13 can so be increased
Elongation increases the tensile resistance of the first cabling 13, disconnected so as to reduce the first cabling 13 when bent area 121 is bent
The risk split, and then the reliability being electrically connected between the viewing area of display panel and binding area is improved, avoid display panel
The phenomenon that driving failure, improve the yield of display panel.
It should be noted that in the utility model embodiment, not to the concrete shape of the curved portion of the first cabling 13
It is limited, as long as constituting non-directional geometric figure, such as can be smooth curve, or can be a plurality of straight-line segment
The folding line of composition, or the combination for smooth curve and straight-line segment.Or first cabling 13 bending part shape
Shape can be the bending structures such as waveform, zigzag, as long as the shape can increase the stretchable length of the first cabling 13.
Fig. 5 is the bending sketch map of another display panel provided by the embodiment of the utility model.As shown in figure 5, display
Panel further includes protective layer 15, and the setting of protective layer 15 covers the first cabling 13 in bent area 121.
Specifically, protective layer 15 can be inorganic layer, be also possible to organic layer.Preferably, protective layer 15 is organic layer.It is logical
Overprotection layer 15 covers the first cabling 13, can protect the first cabling 13 and causes first to walk thread breakage from external force.Simultaneously
Organic layer can buffer stress, so as to so that the stress that is subject to of the first cabling 13 reduces, and then reduce the fracture of the first cabling 13
Risk.
Fig. 6 is the overlooking structure diagram of another display panel provided by the embodiment of the utility model, and Fig. 7 is along Fig. 6
The schematic diagram of the section structure of middle B-B '.As shown in Figure 6 to 7, the non-display area 12 of display panel further includes being placed in 10 table of substrate
The inorganic layer 16 in face, the first cabling 13 are set to surface of the inorganic layer 16 far from substrate 10.Table of the inorganic layer 16 far from substrate 10
Face is provided at least one groove 161, and the first cabling 13 is at least partially arranged at groove 161.
Specifically, 13 part of the first cabling is set in groove 161, at this time part of first cabling 13 in groove 161
It will form a difference in height with the part outside groove 161, and then the length of the first cabling 13 can be increased, be conducive to alleviate curved
The stress that the first cabling 13 is subject to when folding improves the bending resistance of the first cabling 13, when so as to reduce bent area bending
The risk of first cabling 13 fracture.
It should be noted that every one first cabling 13 can be correspondingly arranged one or more grooves 161, walked when one first
When a groove 161 is arranged in line 13, groove 161 can be equal to the length of the first cabling 13 along the size of 13 extending direction of the first cabling
Degree, i.e. groove 161 run through bent area 121.
In addition, in the embodiments of the present invention, without limitation to the depth of groove 161, as long as first can be made to walk
Line 13 forms a difference in height at groove 161.Illustratively, the depth of groove 161 can be equal to the thickness of inorganic layer 16,
So that the first cabling 13 has a biggish difference in height at groove 161, so that preferably buffer that the first cabling 13 is subject to answers
Power.
On the basis of above-mentioned each technical solution, Fig. 8 is another display panel provided by the embodiment of the utility model
Overlooking structure diagram.As shown in figure 8, the display panel further includes the second cabling 19 and external terminal 20, the second cabling 19 is set
It is placed in viewing area 11, external terminal 20 is set to binding area 122.First cabling, 13 one end a is electrically connected with the second cabling 19, another
End b is electrically connected with external terminal 20.
Specifically, the second cabling 19 is connect with the pixel unit of viewing area 11, and external terminal 20 is connect with drive circuit board,
When display panel is shown, drive circuit board sends display drive signals, and display drive signals are passed by the first cabling 13
It is defeated by the second cabling 19 of viewing area 11, the pixel unit in viewing area 11 is driven to shine.
In addition, the second cabling 19 can be nano metal cabling.When the second cabling 19 is nano metal cabling, second is walked
The area that line 19 occupies reduces, and viewing area 11 is allowed to have bigger area to refer to pixel unit, is conducive to improve display surface
The pixel density of plate.
Based on the above technical solution, Fig. 9 is cuing open for another display panel provided by the embodiment of the utility model
Face structural schematic diagram.As shown in figure 9, display panel further includes tft layer, the viewing area 11 of substrate 10 is set,
On direction far from substrate 10, tft layer successively includes the semiconductor active layer 171 for stacking setting, gate insulating layer
172, grid layer 173, interlayer insulating film 174 and source-drain electrode metal layer 175.Inorganic layer 16 and gate insulating layer 172 or interlayer are exhausted
The setting of 174 same layer of edge layer.
It specifically, can also include buffer layer 18 between substrate 10 and tft layer, 18 layers of buffer layer can cover
10 plate of substrate can entire upper surface.Buffer layer 18 can stop oxygen and moisture, prevent moisture or impurity from spreading by substrate 10, and
And flat surface is provided on the upper surface of substrate 10.Tft layer is by taking the thin film transistor (TFT) of top gate type as an example, film
Transistor layer includes the semiconductor active layer 171 on buffer layer 18, and semiconductor active layer 171 includes the first semiconductor region
1711 and second semiconductor region 1712.First semiconductor region 1711 is used as the channel of thin film transistor (TFT), the second semiconductor region 1712
Source region and drain region as thin film transistor (TFT).Grid using inorganic insulating materials such as the nitride of silica and silicon is exhausted
Edge layer 172 is formed on semiconductor active layer 171, and scan line (not shown) and grid layer 173 are formed in gate insulating layer 172
On, grid layer 173 is connected to scan line.Source-drain electrode metal layer 175 and data line are formed on interlayer insulating film 174.
Specifically, with reference to Fig. 7 to Fig. 9, the second cabling 19 can be one in scan line, data line and public electrode wire etc.
Kind is several.Illustratively, when the second cabling 19 is data line, the first cabling 13 for connecting with the second cabling 19 can be with the
The setting of two cablings, 19 same layer, that is, be set to 174 surface of interlayer insulating film, inorganic layer 16 is set with 174 same layer of interlayer insulating film at this time
It sets, inorganic layer 16 can be formed in same technique with interlayer insulating film 174, reduce processing step.
In addition, the first cabling 13 connecting with the second cabling 19 can be with the second cabling when the second cabling 19 is scan line
The setting of 19 same layers, that is, be set to 172 surface of gate insulating layer, and inorganic layer 16 and 172 same layer of gate insulating layer are arranged at this time, machine layer
16 can form in same technique with gate insulating layer 172, reduce processing step.
It should be noted that further including planarization layer 1411 and light-emitting component, film crystal on tft layer
Tube layer, planarization layer 1411 and light-emitting component collectively form pixel unit.Light-emitting component is by anode 1412, cathode 1414 and setting
One or more organic layers between are constituted.More specifically, it is arranged at least between cathode 1414 and anode 11412
One luminescent layer 1413.Luminescent layer 1413 may include one or more luminous organic compounds.Wherein, the anode of light-emitting component
1412 are connected to the drain electrode of source-drain electrode metal layer 175 by the hole being arranged on planarization layer 1411.In addition, light-emitting component is also
It can be packaged using thin-film packing structure 142, the member that shines is entered by 142 blocking oxygen of thin-film packing structure and steam
Part realizes the protection to light-emitting component, improves the service life of display panel.
It should be noted that the present embodiment it is merely exemplary show display panel be organic light emission (Organic Light
Emitting Display, OLED) display panel the case where, not to the restriction of the utility model, in embodiments thereof show
Show that panel can be to be arbitrarily related to the display panel of bent area, illustrative display panel can be light emitting diode with quantum dots
QLED display panel, micro- light emitting diode microLED display panel or stretching OLED display panel etc..
The utility model embodiment additionally provides a kind of display device, and Figure 10 is one kind provided by the embodiment of the utility model
The structural schematic diagram of display device, as shown in Figure 10, the display device 810 include that any technical solution of the utility model provides
Display panel 811.
Display device 810 can be the display devices having a display function such as mobile phone, computer and intelligent wearable device,
The utility model embodiment is not construed as limiting this.
Note that above are only the preferred embodiment and institute's application technology principle of the utility model.Those skilled in the art's meeting
Understand, the utility model is not limited to specific embodiment described here, is able to carry out for a person skilled in the art various bright
Aobvious variation, readjustment and substitution is without departing from the protection scope of the utility model.Therefore, although passing through above embodiments
The utility model is described in further detail, but the utility model is not limited only to above embodiments, is not departing from
It can also include more other equivalent embodiments in the case that the utility model is conceived, and the scope of the utility model is by appended
Scope of the claims determine.
Claims (10)
1. a kind of display panel characterized by comprising
Substrate, the substrate include viewing area and the non-display area positioned at the viewing area periphery；The non-display area includes curved
Folding area；
The non-display area includes the first cabling being set on the substrate, and first cabling is located at least in the bent area
Part be nano metal cabling.
2. display panel according to claim 1, which is characterized in that the nano metal cabling is nano-silver thread, nanometer
Copper wire or nanometer nickel wire.
3. display panel according to claim 1, which is characterized in that the projection of first cabling on the substrate is extremely
Small part is curved shape.
4. display panel according to claim 1, which is characterized in that further include protective layer；The protective layer is arranged in institute
Bent area is stated, and covers first cabling.
5. display panel according to claim 4, which is characterized in that the protective layer is organic layer.
6. display panel according to claim 1, it is characterised in that:
The non-display area further includes the inorganic layer for being set to the substrate surface, and first cabling is set to the inorganic layer
Surface far from the substrate；
The inorganic layer is provided at least one groove far from the surface of the substrate, and first cabling is at least partially arranged at
The groove.
7. display panel according to claim 6, which is characterized in that further include:
The viewing area of the substrate is arranged in tft layer, and on the direction far from the substrate, the film is brilliant
Body tube layer successively includes semiconductor active layer, gate insulating layer, grid layer, interlayer insulating film and the source-drain electrode metal for stacking setting
Layer；
The inorganic layer and the gate insulating layer or the interlayer insulating film same layer are arranged.
8. display panel according to claim 1, which is characterized in that further include:
Second cabling, second cabling are set to the viewing area；
External terminal, the external terminal are set to binding area；
First cabling one end is electrically connected with second cabling, and the other end is electrically connected with the external terminal.
9. display panel according to claim 8, which is characterized in that second cabling is nano metal cabling.
10. a kind of display device, which is characterized in that including the described in any item display panels of claim 1-9.
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| CN201920035805.8U CN209150099U (en) | 2019-01-09 | 2019-01-09 | A kind of display panel and display device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920035805.8U CN209150099U (en) | 2019-01-09 | 2019-01-09 | A kind of display panel and display device |
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| CN110444128A (en) * | 2019-07-29 | 2019-11-12 | 霸州市云谷电子科技有限公司 | Display panel and terminal |
| CN110580855A (en) * | 2019-09-17 | 2019-12-17 | 合肥鑫晟光电科技有限公司 | Chip on film, chip on film substrate, manufacturing method thereof and display device |
| CN110752200A (en) * | 2019-10-21 | 2020-02-04 | 昆山工研院新型平板显示技术中心有限公司 | Display panel, display device and preparation method of display panel |
| CN111724742A (en) * | 2020-06-11 | 2020-09-29 | 武汉华星光电半导体显示技术有限公司 | Display panel, preparation method thereof and display device |
| CN112002246A (en) * | 2020-09-28 | 2020-11-27 | 上海天马有机发光显示技术有限公司 | Display panel and display device |
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| CN110444128A (en) * | 2019-07-29 | 2019-11-12 | 霸州市云谷电子科技有限公司 | Display panel and terminal |
| CN110580855A (en) * | 2019-09-17 | 2019-12-17 | 合肥鑫晟光电科技有限公司 | Chip on film, chip on film substrate, manufacturing method thereof and display device |
| WO2021068413A1 (en) * | 2019-10-12 | 2021-04-15 | 武汉华星光电半导体显示技术有限公司 | Display panel |
| US11778872B2 (en) | 2019-10-12 | 2023-10-03 | Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | Display panel |
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| CN113939864A (en) * | 2020-05-14 | 2022-01-14 | 京东方科技集团股份有限公司 | Display panel and method for manufacturing the same |
| CN111724742A (en) * | 2020-06-11 | 2020-09-29 | 武汉华星光电半导体显示技术有限公司 | Display panel, preparation method thereof and display device |
| CN112002246A (en) * | 2020-09-28 | 2020-11-27 | 上海天马有机发光显示技术有限公司 | Display panel and display device |
| CN112669710A (en) * | 2020-12-30 | 2021-04-16 | 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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| CN113643613A (en) * | 2021-08-10 | 2021-11-12 | 深圳市华星光电半导体显示技术有限公司 | Display panel, manufacturing method thereof and splicing display device |
| CN113763815A (en) * | 2021-09-03 | 2021-12-07 | 深圳市华星光电半导体显示技术有限公司 | Display panel and preparation method thereof |
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