CN108695358A - A kind of display panel and display device - Google Patents
A kind of display panel and display device Download PDFInfo
- Publication number
- CN108695358A CN108695358A CN201710218960.9A CN201710218960A CN108695358A CN 108695358 A CN108695358 A CN 108695358A CN 201710218960 A CN201710218960 A CN 201710218960A CN 108695358 A CN108695358 A CN 108695358A
- Authority
- CN
- China
- Prior art keywords
- lead wire
- metal lead
- display panel
- panel according
- base board
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/10—OLED displays
- H10K59/12—Active-matrix OLED [AMOLED] displays
- H10K59/131—Interconnections, e.g. wiring lines or terminals
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/10—OLED displays
- H10K59/12—Active-matrix OLED [AMOLED] displays
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Electroluminescent Light Sources (AREA)
Abstract
The embodiment of the invention discloses a kind of display panel and display devices.The display panel includes a flexible base board, and metal lead wire is provided on the flexible base board, and the metal lead wire has multiple void regions in the direction of extension.The embodiment of the present invention improves the bending resistance of metal lead wire.
Description
Technical field
The present embodiments relate to display technology more particularly to a kind of display panel and display devices.
Background technology
With the development of display technology, show that the display effect of product is constantly improved, to make display product
Using more and more extensive.
In the prior art, the metal lead wire in the non-display area of display panel is mostly linear type.When display panel is flexibility
When display panel, since straight linear metallic lead is with longer line length and fracture strain limits (the metal sheet that can bear
The fracture strain limits of body are about in limitation 1%), and when display panel is bent, the bending resistance of metal lead wire is poor, hold
Fracture easily occurs or disconnects, it can not normal transmission so as to cause signal.
Invention content
A kind of display panel of present invention offer and display device, to improve the bending resistance of metal lead wire.
In a first aspect, an embodiment of the present invention provides a kind of display panel, including a flexible base board, on the flexible base board
It is provided with metal lead wire, the metal lead wire has multiple void regions in the direction of extension.
Optionally, the display panel further includes:
Planarization layer, the planarization layer is located at side of the metal lead wire far from the flexible base board, described flat
Change layer to cover the metal lead wire and fill the void region of the metal lead wire.
Optionally, the material of the planarization layer is photoresist.
Optionally, the shape of the void region is rectangle.
Optionally, the length of side of extending direction of any void region along the metal lead wire, or edge and the metal
The length of side in the vertical direction of extending direction of lead is greater than or equal to 5 microns.
Optionally, along the direction vertical with the extending direction of the metal lead wire, the boundary of the void region is described in
The distance on the boundary of metal lead wire is greater than or equal to 1.5 microns.
Optionally, between the extending direction of the metal lead wire, the adjacent void region be spaced predetermined interval away from
From.
Optionally, the predetermined interval distance is greater than or equal to 1.5 microns.
Optionally, the display panel further includes:
Inorganic layer, the inorganic layer are located at the side that the metal lead wire closes on the flexible base board.
Optionally, the metal lead wire is located at the viewing area of the flexible base board.
Optionally, the metal lead wire is data line and/or scan line.
Optionally, the metal lead wire is located at the non-display area of the flexible base board.
Optionally, the metal lead wire is data lead, scans in lead, clock cable and power signal line at least
It is a kind of;
Wherein, the data lead is used to connect the data line and source driving chip of viewing area;The scanning lead is used
Scan line and grid drive chip in connection viewing area.
Second aspect, the embodiment of the present invention additionally provide a kind of display device, and the display device includes that the present invention is arbitrary
Display panel described in embodiment.
Display panel provided in an embodiment of the present invention includes a flexible base board, and being provided with metal on the flexible base board draws
Line, the metal lead wire are provided with multiple void regions in the direction of extension, by the way that multiple vacancy sections are arranged on metal lead wire
Domain reduces the stress that metal lead wire is subject on overbending direction, and by the way that multiple void regions are arranged so that when metal draws
When line somewhere slight crack occurs or is broken, the diffusion of slight crack can be effectively prevented, the bending resistance of metal lead wire is improved
Energy.
Description of the drawings
Fig. 1 is a kind of schematic diagram of display panel in the prior art;
Fig. 2 is a kind of schematic diagram of display panel in the embodiment of the present invention;
Fig. 3 is the schematic diagram of another display panel in the embodiment of the present invention;
Fig. 4 is sectional view of the display panel along Fig. 3 section lines A-A;
Fig. 5 is the schematic diagram of another display panel in the embodiment of the present invention;
Fig. 6 is sectional view of the display panel along Fig. 5 section lines B-B;
Fig. 7 is the sectional view of another display panel in the embodiment of the present invention;
Fig. 8 is a kind of schematic diagram of display device in the embodiment of the present invention.
Specific implementation mode
The present invention is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used only for explaining the present invention rather than limitation of the invention.It also should be noted that in order to just
Only the parts related to the present invention are shown in description, attached drawing rather than entire infrastructure.
Fig. 1 is a kind of schematic diagram of display panel in the prior art, and with reference to figure 1, display panel includes substrate 101 and metal
Line 102, metal wire 102 use linear type.When the directions Z1 are bent display panel along figure, metal wire 102 is under stress
It is easy to happen fracture, it can not normal transmission so as to cause signal.
To solve the above problems, present embodiments providing a kind of display panel.Fig. 2 is that one kind in the embodiment of the present invention is aobvious
The schematic diagram for showing panel, with reference to figure 2, the display panel includes a flexible base board 110, and metal is provided on flexible base board 110
Lead 120, metal lead wire 120 have multiple void regions 121 on extending direction X.
The present embodiment reduces metal lead wire 120 aobvious by the way that multiple void regions 121 are arranged on metal lead wire 120
Show the stress being subject to when panel bending, and by the way that multiple void regions 121 are arranged so that when 120 somewhere of metal lead wire occurs
Slight crack or when being broken, can effectively prevent the diffusion of slight crack, to improve the bending resistance of metal lead wire 120,
The normal transmission of signal when to ensure that display panel is bent.
Fig. 3 is the schematic diagram of another display panel in the embodiment of the present invention, and Fig. 4 is display panel along Fig. 3 midship sections
The sectional view of line A-A.With reference to figure 3 and Fig. 4, the display panel further includes:
Planarization layer 130, planarization layer 130 are located at side of the metal lead wire 120 far from flexible base board 120, planarization layer
130 covering metal lead wires 120 and the void region 121 for filling metal lead wire 120.
Specifically, since 130 bending resistance of planarization layer is preferable, certain buffering can be played to folding s tress and is made
With, it fills the void region 121 of metal lead wire 120 by using planarization layer 130 and covers metal lead wire 120, it is further to drop
The stress that low metal lead wire 120 is subject on overbending direction, and due to the cushioning effect of planarization layer 130, when metal draws
When 120 somewhere of line slight crack occurs or is broken, prevention slight crack can be played by being filled in the planarization layer 130 of void region 121
The effect of diffusion further ensures display panel and is bent to further improve the bending resistance of metal lead wire 120
When signal normal transmission.
Optionally, the material of planarization layer 130 can be photoresist.
Specifically, the shape and size of void region 121 can be according to bending degree and the resistance value need of metal lead wire 120
It is set, and is not specifically limited.
Optionally, the shape of void region 121 can be rectangle.
Specifically, by setting void region 121 to rectangle, manufacturing process is fairly simple, reduces process costs.Separately
Outside, with reference to figure 3 and Fig. 4, when display panel is bent along the directions Z2, by setting void region 121 to rectangle, metal
Lead 120 is divided into multiple segments in X direction, and metal lead wire 120 is relatively uniform along the Size Distribution of Y-direction so that stress
Distribution is more uniform, reduces the region of stress concentration, fracture probability occurs to reduce metal lead wire 120, improve metal
The bending resistance of lead 120.
Optionally, with reference to figure 3 and Fig. 4, any void region 121 along the extending direction X of metal lead wire 120 length of side a, or
Side length b along the direction Y vertical with the extending direction X of metal lead wire 120 is greater than or equal to 5 microns.
Specifically, being greater than or equal to 5 microns by the way that a is arranged, b is greater than or equal to 5 microns, ensure that setting void region
Metal lead wire 120 after 121 has suitable resistance value, to further ensure the stability of signal transmission.
Optionally, along the direction Y vertical with the extending direction X of metal lead wire 120, the boundary of void region 121 to metal
The distance c on the boundary of lead 120 is greater than or equal to 1.5 microns.
In this way, avoiding the resistance that is undersized and increasing metal lead wire 120 of 120 non-void region of metal lead wire
Value.
Optionally, predetermined interval distance is spaced between the extending direction X of metal lead wire 120, adjacent void region 121
d。
Optionally, predetermined interval distance d is greater than or equal to 1.5 microns.It should be noted that merely exemplary in Fig. 2-Fig. 4
Show that the size of each void region 121 is identical, and it is evenly distributed along the extending direction X of metal lead wire 120, i.e., it is each
The case where a predetermined interval distance d all sames, not limitation of the invention, in other embodiments, each void region
121 size can be different, and each predetermined interval distance d can also be different.
Specifically, the size and predetermined interval distance d of void region 121 can with the bending degree of combining display panel with
And the resistance value demand of metal lead wire 120 is set.The region larger to bending degree can engrave in reduction appropriate as needed
Size of the empty region 121 along 120 extending direction of metal lead wire;The region smaller to bending degree, then void region 121 is along metal
Moderate value may be used in the size of 120 extending direction of lead.
Fig. 5 is the schematic diagram of another display panel in the embodiment of the present invention, and Fig. 6 is display panel along Fig. 5 midship sections
The sectional view of line B-B.With reference to figure 5 and Fig. 6, if metal lead wire 120 is bent along the directions Z3, the region 100 that rectangular broken line frame is irised out
The bending degree of interior display panel is larger, then in region 100, in the extending direction X of metal lead wire 120, void region 121 can
With using the a1 of smaller size;The smaller region of other bending degrees, in the extending direction X of metal lead wire 120, void region
121 may be used the a2 of larger size.Correspondingly, in region 100, larger predetermined interval distance d1 may be used,
Smaller predetermined interval distance d2 may be used in other regions.
Fig. 7 is the sectional view of another display panel in the embodiment of the present invention, and with reference to figure 7, the display panel also wraps
It includes:
Inorganic layer 140, inorganic layer 140 are located at the side that metal lead wire 120 closes on flexible base board 110.
Specifically, inorganic layer 140 is arranged by closing on the side of flexible base board 110 in metal lead wire 120, on the one hand increase
The adhesive force of metal lead wire 120, another aspect inorganic layer 140, which can play, prevents steam and oxygen from entering inside display panel
Effect further improve the reliability of signal transmission to reduce the probability that metal lead wire 120 is corroded.
Optionally, metal lead wire 120 is located at the viewing area of flexible base board 110.Optionally, metal lead wire 120 can be number
According to line and/or scan line.
Specifically, by the way that multiple void regions are arranged on the data line of display panel and/or scan line, display is improved
The data line of panel and/or the ability resistant to bending of scan line, ensure that display panel when being bent, scanning signal sum number it is believed that
Number transmission stability.
Optionally, metal lead wire 120 is located at the non-display area of flexible base board 110.Metal lead wire 120 can draw for data
At least one of line, scanning lead, clock cable and power signal line;
Wherein, the data lead is used to connect the data line and source driving chip of viewing area;The scanning lead is used
Scan line and grid drive chip in connection viewing area.
Specifically, by being arranged on the data lead of display panel, scanning lead, clock cable and power signal line
Multiple void regions improve the data lead of display panel, scan the resistant to bending of lead, clock cable and power signal line
Ability ensure that the stability of display panel signal transmission when being bent.If in addition, the display panel is touch-control display surface
Plate, metal lead wire 120 can also be touch-control lead.
The present embodiment additionally provides a kind of display device, and Fig. 8 is a kind of signal of display device in the embodiment of the present invention
Figure, with reference to figure 8, display device 200 may include the display panel 300 described in any embodiment of the present invention.Illustratively, it shows
Device 200 can be the flexible display devices such as mobile phone, tablet computer, wrist-watch.
Display device provided in this embodiment reduces metal lead wire by the way that multiple void regions are arranged on metal lead wire
The stress being subject on overbending direction, and pass through and multiple void regions are set so that when metal lead wire somewhere occur slight crack or
When being broken, the diffusion of slight crack can be effectively prevented, to improve the bending resistance of metal lead wire, to ensure that
The normal transmission of signal when display panel is bent.
Note that above are only presently preferred embodiments of the present invention and institute's application technology principle.It will be appreciated by those skilled in the art that
The present invention is not limited to specific embodiments described here, can carry out for a person skilled in the art it is various it is apparent variation,
It readjusts and substitutes without departing from protection scope of the present invention.Therefore, although being carried out to the present invention by above example
It is described in further detail, but the present invention is not limited only to above example, without departing from the inventive concept, also
May include other more equivalent embodiments, and the scope of the present invention is determined by scope of the appended claims.
Claims (14)
1. a kind of display panel, including a flexible base board, it is characterised in that:
Metal lead wire is provided on the flexible base board, the metal lead wire has multiple void regions in the direction of extension.
2. display panel according to claim 1, which is characterized in that further include:
Planarization layer, the planarization layer are located at side of the metal lead wire far from the flexible base board, the planarization layer
It covers the metal lead wire and fills the void region of the metal lead wire.
3. display panel according to claim 2, it is characterised in that:
The material of the planarization layer is photoresist.
4. display panel according to claim 1, it is characterised in that:
The shape of the void region is rectangle.
5. display panel according to claim 4, it is characterised in that:
The length of side of extending direction of any void region along the metal lead wire, or along the extension side with the metal lead wire
It is greater than or equal to 5 microns to the length of side in vertical direction.
6. display panel according to claim 5, it is characterised in that:
Along the direction vertical with the extending direction of the metal lead wire, the boundary to the side of the metal lead wire of the void region
The distance on boundary is greater than or equal to 1.5 microns.
7. display panel according to claim 1, it is characterised in that:
Along the extending direction of the metal lead wire, predetermined interval distance is spaced between the adjacent void region.
8. display panel according to claim 7, it is characterised in that:
The predetermined interval distance is greater than or equal to 1.5 microns.
9. display panel according to claim 1, which is characterized in that further include:
Inorganic layer, the inorganic layer are located at the side that the metal lead wire closes on the flexible base board.
10. display panel according to claim 1, it is characterised in that:
The metal lead wire is located at the viewing area of the flexible base board.
11. display panel according to claim 10, it is characterised in that:
The metal lead wire is data line and/or scan line.
12. display panel according to claim 1, it is characterised in that:
The metal lead wire is located at the non-display area of the flexible base board.
13. display panel according to claim 12, it is characterised in that:
The metal lead wire is at least one of data lead, scanning lead, clock cable and power signal line;
Wherein, the data lead is used to connect the data line and source driving chip of viewing area;The scanning lead is for connecting
Connect the scan line and grid drive chip of viewing area.
14. a kind of display device, which is characterized in that including claim 1-13 any one of them display panels.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710218960.9A CN108695358B (en) | 2017-04-05 | 2017-04-05 | Display panel and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710218960.9A CN108695358B (en) | 2017-04-05 | 2017-04-05 | Display panel and display device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108695358A true CN108695358A (en) | 2018-10-23 |
| CN108695358B CN108695358B (en) | 2021-09-28 |
Family
ID=63842804
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710218960.9A Active CN108695358B (en) | 2017-04-05 | 2017-04-05 | Display panel and display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108695358B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020113848A1 (en) * | 2018-12-05 | 2020-06-11 | 武汉华星光电半导体显示技术有限公司 | Bending area wiring structure and display device therefor |
| CN112582454A (en) * | 2020-12-08 | 2021-03-30 | 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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| CN205140985U (en) * | 2015-10-22 | 2016-04-06 | 信利（惠州）智能显示有限公司 | Flexible AMOLED display panel structure |
| CN106057844A (en) * | 2015-04-02 | 2016-10-26 | 乐金显示有限公司 | Auxiliary lines reducing resistance in a cathode of an organic light emitting display device |
| CN106252380A (en) * | 2016-08-31 | 2016-12-21 | 上海天马有机发光显示技术有限公司 | Flexible display panels and device |
| CN106297967A (en) * | 2016-08-26 | 2017-01-04 | 京东方科技集团股份有限公司 | Flexible conductive film and preparation method thereof, flexible touch screen and display floater |
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2017
- 2017-04-05 CN CN201710218960.9A patent/CN108695358B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20150287750A1 (en) * | 2013-05-28 | 2015-10-08 | Lg Display Co., Ltd. | Flexible display device and method for manufacturing the same |
| CN106057844A (en) * | 2015-04-02 | 2016-10-26 | 乐金显示有限公司 | Auxiliary lines reducing resistance in a cathode of an organic light emitting display device |
| CN205140985U (en) * | 2015-10-22 | 2016-04-06 | 信利（惠州）智能显示有限公司 | Flexible AMOLED display panel structure |
| CN106297967A (en) * | 2016-08-26 | 2017-01-04 | 京东方科技集团股份有限公司 | Flexible conductive film and preparation method thereof, flexible touch screen and display floater |
| CN106252380A (en) * | 2016-08-31 | 2016-12-21 | 上海天马有机发光显示技术有限公司 | Flexible display panels and device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2020113848A1 (en) * | 2018-12-05 | 2020-06-11 | 武汉华星光电半导体显示技术有限公司 | Bending area wiring structure and display device therefor |
| CN112582454A (en) * | 2020-12-08 | 2021-03-30 | 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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| Publication number | Publication date |
|---|---|
| CN108695358B (en) | 2021-09-28 |
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| CB02 | Change of applicant information |
Address after: 1568 Jiugong Road, Jinshan District, Shanghai, 201506 Applicant after: Shanghai Hehui optoelectronic Co., Ltd Address before: 1568 Jiugong Road, Jinshan District, Shanghai, 201506 Applicant before: EVERDISPLAY OPTRONICS (SHANGHAI) Ltd. |
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