CN109950286A - Display panel - Google Patents
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- CN109950286A CN109950286A CN201910243176.2A CN201910243176A CN109950286A CN 109950286 A CN109950286 A CN 109950286A CN 201910243176 A CN201910243176 A CN 201910243176A CN 109950286 A CN109950286 A CN 109950286A
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- detection line
- display panel
- conducting wire
- array substrate
- metal wire
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Abstract
The present invention provides a kind of display panel, comprising: array substrate, array substrate include viewing area and the non-display area around viewing area；First detection line and the second detection line, whether cracked for detecting display panel, the first detection line and the second detection line are located in non-display area, and surround at least part of viewing area；Wherein, compared with the first detection line, the second detection line is closer to viewing area, and at least part of the first detection line is non-metal wire, and the second detection line is metal wire.The brittleness of non-metal wire is preferable, when generating fine crack on a display panel compared with metal wire, non-metal wire is easier to be broken, and then can detecte out the fine crack on display panel, compared with only detecting display panel by metal wire, crack detection precision is improved.
Description
Technical field
The present invention relates to display equipment technical field more particularly to a kind of display panels.
Background technique
Organic Light Emitting Diode (Organic Light-Emitting Diode, referred to as OLED) display panel is as aobvious
Showing device is gradually applied in each field, when processing display panel, need to be cut to display panel certain to obtain
The display panel of size；When cutting display panel, it is easy to form the crackle extended inward by edge on a display panel, because
How this, which detects crackle, has become a hot topic of research.
In the prior art, it is often set in the array substrate of display panel, in the non-display area of display panel viewing area
Set metal wire；When having crackle on display panel, metal wire is broken；When the resistance for detecting metal wire it is smaller (such as
Several kilohms) when, then there is no crackle on display panel, when the resistance for detecting metal wire larger (such as several hundred megohms),
Then there are crackles on display panel.
Summary of the invention
Since the toughness of metal wire is preferable, when crackle is smaller, metal wire does not allow easy fracture, and then leads to the detection of crackle
Precision is insufficient.
In view of this, the embodiment of the present invention provides a kind of display panel, to solve the metal wire being arranged in array substrate
Toughness is preferable, and when the crackle on display panel is smaller, metal wire does not allow easy fracture, and then causes the detection accuracy of crackle insufficient
The technical issues of.
The embodiment of the invention provides a kind of display panels, comprising: array substrate, the array substrate include viewing area with
And the non-display area around the viewing area；
First detection line and the second detection line, first detection whether cracked for detecting the display panel
Line and the second detection line are located in the non-display area, and surround at least part of the viewing area；
Wherein, compared with first detection line, second detection line is closer to the viewing area, and described first
At least part of detection line is non-metal wire, and second detection line is metal wire.
Display panel as described above, it is preferable that the array substrate further includes groove, and the groove is located at described first
Between detection line and second detection line.
Display panel as described above, it is preferable that organic matter is filled in the groove.
Display panel as described above, it is preferable that the display panel further includes being stacked with the array substrate
Pixel confining layer, the array substrate have planarization layer, the organic matter and the pixel confining layer or the planarization layer
It is integrally formed.
Display panel as described above, it is preferable that first detection line includes the first conducting wire and the second conducting wire, and described the
One conducting wire is formed with the metal layer same layer in the array substrate, and second conducting wire is non-metal wire, and second conducting wire
It is formed with the non-metallic layer same layer in the array substrate, and passes through via hole between first conducting wire and second conducting wire
Connection.
Display panel as described above, it is preferable that first conducting wire be it is multiple, multiple first conducting wires are along described the
The extending direction of one detection line is positioned apart from, and is connected between adjacent first conducting wire by second conducting wire.
Display panel as described above, it is preferable that the material of the non-metal wire includes polysilicon and/or tin indium oxide.
Display panel as described above, it is preferable that at least one recess portion, the recess portion are provided in first detection line
It is serrated.
Display panel as described above, it is preferable that the display panel further includes third detection line, the third detection line
The side that first detection line deviates from the viewing area is set.
Display panel as described above, it is preferable that the third detection line is metal wire.
Display panel provided in an embodiment of the present invention, by be arranged in the non-display area of array substrate the first detection line and
Around at least part of viewing area, the second detection line is metal wire for second detection line, the first detection line and the second detection line, the
At least part of one detection line is non-metal wire；Compared with metal wire, since the brittleness of non-metal wire is preferable, work as display panel
When upper generation fine crack, non-metal wire is easier to be broken, and then can detecte out the fine crack on display panel, with
Display panel only is detected by metal wire to compare, and improves crack detection precision.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is this hair
Bright some embodiments for those of ordinary skill in the art without creative efforts, can be with root
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is the structural schematic diagram one of array substrate in display panel provided in an embodiment of the present invention；
Fig. 2 is the structural schematic diagram one of display panel provided in an embodiment of the present invention；
Fig. 3 is the structural schematic diagram two of display panel provided in an embodiment of the present invention；
Fig. 4 is the structural schematic diagram two of array substrate in display panel provided in an embodiment of the present invention；
Fig. 5 is the partial enlarged view in Fig. 4 at A；
Fig. 6 is the structural schematic diagram three of array substrate in display panel provided in an embodiment of the present invention.
Description of symbols:
10, array substrate；
101, viewing area；
102, non-display area；
103, the second detection line；
104, the first detection line；
105, planarization layer；
106, substrate；
107, third detection line；
108, metal layer；
109, buffer layer；
1041, the first conducting wire；
1042, the second conducting wire；
1043, recess portion；
20, pixel confining layer；
30, groove；
40, first electrode；
50, second electrode；
60, via hole.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without creative efforts, shall fall within the protection scope of the present invention.
Fig. 1 is the structural schematic diagram one of array substrate in display panel provided in an embodiment of the present invention.
Fig. 2 is the structural schematic diagram of display panel provided in an embodiment of the present invention.
Fig. 3 is the structural schematic diagram two of display panel provided in an embodiment of the present invention.
Fig. 4 is the structural schematic diagram two of array substrate in display panel provided in an embodiment of the present invention.
Fig. 5 is the partial enlarged view in Fig. 4 at A.
Fig. 6 is the structural schematic diagram three of array substrate in display panel provided in an embodiment of the present invention.
Please refer to Fig. 1-Fig. 6.The present embodiment provides a kind of display panels, comprising: array substrate 10, array substrate 10 include
Viewing area 101 and non-display area 102 around viewing area 101；First detection line 104 and the second detection line 103, for detecting
Whether display panel is cracked；First detection line 104 and the second detection line 103 are located in non-display area 102, and around aobvious
Show at least part in area 101；Wherein, compared with the first detection line 104, the second detection line 103 closer to viewing area 101, and
And first detection line 104 at least part be non-metal wire, the second detection line 103 be metal wire.
With continued reference to Fig. 2 and Fig. 3.Display panel in the present embodiment further includes the multiple hairs being arranged in array substrate 10
Light unit, the pixel confining layer 20 for separating luminescence unit and setting deviate from array substrate 10 1 in pixel confining layer 20
The first electrode 40 of side, has thin film transistor (TFT) in array substrate 10, and array substrate 10 is towards having on the face of pixel confining layer 20
There is second electrode 50 corresponding with each luminescence unit, thin film transistor (TFT) is electrically connected with second electrode 50 in array substrate 10.It is aobvious
When showing panel work, thin film transistor (TFT) controls second electrode 50 and charges, so that the corresponding luminescence unit of second electrode 50 shines, with
Realize the display of display panel.Wherein, first electrode 40 can be cathode, and corresponding second electrode 50 is anode；Or first
Electrode 40 is anode, then second electrode 50 is cathode.
With continued reference to Fig. 1, in the present embodiment, array substrate 10 includes viewing area 101 and non-display area 102, non-display area
102 are looped around the outside of viewing area 101, and each luminescence unit is respectively positioned in viewing area 101 in the projection in array substrate 10.
In the present embodiment, when cutting display panel, the crackle generated by the edge of display panel is in non-display area 102
Extend to viewing area 101, the first detection line 104 and the second detection line 103 are arranged in non-display area 102, can produce in crackle
Life just detected in non-display area 102.
Specifically, when the non-display area 102 of array substrate 10 cracks, be located in non-display area 102 the can be made
103 stress of one detection line 104 and the second detection line causes the first detection line 104 and/or the second detection line 103 to be broken；This implementation
In example, the first detection can be judged by voltage, electric current or the resistance of the first detection line 104 of detection and the second detection line 103
Whether line 104 and the second detection line 103 are broken, and then judge whether there is crackle on display panel.
For detecting the first detection line 104, can by two test pencils of multimeter directly with the first detection line 104 two
End connection, to detect the resistance of the first detection line 104, when the resistance value for detecting the first detection line 104 is higher (for example, several hundred
Megohm) when, then the first detection line 104 is broken, and there are crackles on display panel；When the resistance for detecting the first detection line 104
When being worth lower (for example, several kilohms), then the first detection line 104 is not broken, and crackle is not present on display panel.
Similarly, the second detection line 103 can be detected using identical method, is with determining second detection line 103
It is no to be broken, and then judge whether there is crackle on display panel, details are not described herein.
With continued reference to Fig. 1, the first detection line 104 and the second detection line 103 surround viewing area 101 at least in the present embodiment
A part.By taking viewing area 101 is rectangle as an example, the first detection line 104 and the second detection line 103 can be along being parallel to viewing area
101 side setting, certain first detection line 104 and the second detection line 103 can also be with circle segment or entire viewing areas
101 settings.Viewing area 101 in the present embodiment is not limited to rectangle, and viewing area 101 can be with shapes such as rounded, triangles
Shape.
With continued reference to Fig. 1, the first detection line 104 and the second detection line 103 can be arranged in parallel, and the second detection line
103 compared with the first detection line 104 closer to viewing area 101.Second detection line 103 can be metal wire, such as: the second detection line
103 can be copper wire, aluminum steel etc..
There is at least one metal layer 108 in display panel provided in this embodiment, form array base in metal layer 108
The function elements such as capacitor plate, source/drain electrode in plate 10, when second electrode 50 consists of metal, second electrode 50 can also
To be formed in metal layer 108；Second detection line 103 can be with capacitor plate or source/drain electrode or second electrode 50 etc.
The setting of function element same layer, and be integrally formed by patterning process, in order to the production of the second detection line 103.Certainly, this reality
The second detection line 103 applied in example can also be fabricated separately, i.e. the second detection line 103 is not integrally formed with metal layer.
In the present embodiment, at least part of the first detection line 104 is non-metal wire, and the brittleness of non-metal wire is higher,
It is easier to be broken than metal wire after stress, can detecte out the fine crack on display panel, to improve detection accuracy.
In an achievable mode, entire first detection line 104 can be made of non-metal wire.Non-metal wire
Material can there are many, for example, non-metal wire is made of polysilicon and/or tin indium oxide.Illustratively, in array substrate 10
Grid can be made of polysilicon, and when non-metal wire is made of polysilicon, non-metal wire can be arranged with grid same layer, and logical
Cross patterning process integrated molding；When the second electrode 50 in array substrate 10 is made of nonmetallic tin indium oxide, non-gold
Belonging to line can be arranged with 50 same layer of second electrode, and is integrally formed by patterning process.
The non-metal wire of the first detection line 104 can also be with other radio frequencies in array substrate 10 in the present embodiment
Layer same layer setting, and be integrally formed by patterned technique.Certainly, in the present embodiment the first detection line 104 non-metal wire
It can also be fabricated separately, i.e., non-metal wire is not integrally formed with the radio frequency layer in array substrate 10.
With continued reference to Fig. 2-Fig. 4, the first detection line 104 includes the first conducting wire 1041 and the second conducting wire 1042, the first conducting wire
1041 be metal wire, and is formed with 108 same layer of metal layer in array substrate 10, and the second conducting wire 1042 is non-metal wire, and the
Two conducting wires 1042 are formed with the non-metallic layer same layer in array substrate 10, and between the first conducting wire 1041 and the second conducting wire 1042
It is connected by via hole 60.First conducting wire 1041 is formed with 108 same layer of metal layer, the second conducting wire 1042 and non-metallic layer same layer shape
At being further simplified the manufacturing process of display panel.
Certainly, the first conducting wire 1041 and the second conducting wire 1042 can be arranged in the present embodiment with same layer.
When first electrode 40, second electrode 50, source/drain electrode consist of metal, the first detection line in the present embodiment
104 the first conducting wire 1041 can in array substrate 10 capacitor plate or source/drain electrode or first electrode 40 or
The equal function elements same layer setting of second electrode 50, and be integrally formed by patterning process, in order to the system of the first conducting wire 1041
Make.Wherein, the first conducting wire 1041 can be arranged with the second detection line 103 with same layer, can also different layer setting；When the first conducting wire 1041
When being arranged with 103 same layer of the second detection line, it can be integrally formed by patterning process.With capacitor plate and the first detection line
For 104 the first conducting wire 1041 and 103 same layer of the second detection line setting；When processing array substrate 10, metal layer is being formed
After 108, by patterning process, the first conducting wire of capacitor plate and the first detection line 104 is formed simultaneously on metal layer 108
1041 and second detection line 103.
When first electrode 40, second electrode 50 and grid are made of non-metallic layer conductive material, first in the present embodiment
Second conducting wire 1042 of detection line 104 can be arranged with the grid same layer in array substrate 10, and pass through patterning process one
Molding；Alternatively, the second conducting wire 1042 is arranged with 40 same layer of first electrode, and it is integrally formed by patterning process；Alternatively, second
Conducting wire 1042 and 50 same layer of second electrode are arranged, and are integrally formed by patterning process.First detection line 104 in the present embodiment
The second conducting wire 1042 can also be arranged with other radio frequency layer same layers in array substrate 10, and pass through patterned work
Skill is integrally formed.
Certainly, the second conducting wire 1042 of the first detection line 104 can also be fabricated separately in other embodiments, i.e., nonmetallic
Line is not integrally formed with the non-metallic layer part in array substrate 10 or.
With continued reference to Fig. 4, in the present embodiment, the first conducting wire 1041 be it is multiple, multiple first conducting wires 1041 are along the first detection
The extending direction of line 104 is positioned apart from, and is connected between adjacent first conducting wire 1041 by the second conducting wire 1042.First conducting wire
1041 are arranged alternately with the second conducting wire 1042, can be too long to avoid the second conducting wire 1042 being made of non-metal wire, lead to first
Detection line 104 is excessively crisp.
Specifically, each second conducting wire 1042 can be identical along the length of 104 extending direction of the first detection line, can also not
Together, the present embodiment to the length of every one second conducting wire 1042 with no restrictions.In addition, multiple second conducting wires 1042 in the present embodiment
It can same layer setting or the setting of the different layer of multiple second conducting wires 1042.In the present embodiment, multiple first conducting wires 1041 can also be with
Same layer setting or the setting of the different layer of multiple first conducting wires 1041.
Display panel provided in this embodiment, by the way that the first detection line is arranged in the non-display area 102 of array substrate 10
104 and second detection line 103, the first detection line 104 and the second detection line 103 around viewing area 101 at least part, second
Detection line 103 is metal wire, and at least part of the first detection line 104 is non-metal wire；The brittleness of non-metal wire is preferable, with gold
When belonging to line compared to fine crack is generated on a display panel, non-metal wire is easier to be broken, and then can detecte out and show
Fine crack on panel improves crack detection precision compared with only detecting display panel by metal wire.
With continued reference to Fig. 2, in display panel provided in this embodiment, array substrate 10 further includes groove 30, and groove 30
Between the first detection line 104 and the second detection line 103.Groove 30 can prevent crackle from prolonging to the viewing area of display panel 101
It stretches.
In the present embodiment, organic matter is filled in groove 30.The toughness of organic matter is preferable, can further prevent crackle to aobvious
Show that the viewing area 101 of panel extends.
With continued reference to Fig. 2 and Fig. 3, array substrate 10 further includes being located at substrate 106 towards the side of pixel confining layer 20
Buffer layer 109 can make groove 30 by array substrate 10 blocking effect of crack growth to improve organic matter in groove 30
It is through to array substrate 10 always towards the top surface of pixel confining layer 20 and deviates from the substrate 106 of pixel confining layer 20, and makes to have
Machine object is full of entire groove 30.Certainly, the groove 30 in the present embodiment can also be only through one or several in array substrate 10
A film layer.
In an achievable mode, the organic matter being filled in groove 30 can be independently formed；Make groove 30
Later, organic matter is filled in groove 30, and makes organic matter full of groove 30.In order to simple, illustrated only in Fig. 2 and Fig. 3
One groove 30, but the quantity of practical upper groove 30 is also possible to two or more, the forms such as shape, arrangement can also be with
It is according to circumstances different.
With continued reference to Fig. 2 and Fig. 3, in the mode that other are realized, display panel further includes setting with the stacking of array substrate 10
The pixel confining layer 20 set, array substrate 10 have planarization layer 105, and organic matter can be with pixel confining layer 20 or planarization layer
105 are integrally formed.Without individually filling organic matter in groove 30, the manufacturing process of display panel is simplified.
Specifically, display panel include the substrate 106 being stacked, planarization layer 105 and be provided with thin film transistor (TFT),
The functional layer of the function elements such as capacitor.Functional layer is between planarization layer 105 and substrate 106, and planarization layer 105 and picture
Plain confining layers 20 connect.
When organic matter and pixel confining layer 20 are integrally formed, the groove 30 in array substrate 10 is set by planarization layer
105 extend to substrate 106；When forming pixel confining layer 20 in array substrate 10, part material is filled in groove 30；When having
When machine object and planarization layer 105 are integrally formed, when making array substrate 10, groove 30 is set on a functional, later in function
Planarization layer 105 is formed on ergosphere, while forming planarization layer 105, part material is filled into groove 30.
With continued reference to Fig. 4 and Fig. 5, recess portion 1043 is provided in the first detection line 104.Fine crack is generated in display panel
When, stress concentration can occur at recess portion 1043 at this time for 104 stress of the first detection line, so that the first detection line 104 is broken, into
One step improves the detection accuracy of crackle.
Further, be arranged in recess portion 1043 in the first detection line 104 can be it is multiple, multiple recess portions 1043 are along first
The extending direction of detection line 104 is positioned apart from, to further increase crack detection precision.
Specifically, recess portion 1043 can be provided only on the first conducting wire 1041 of the first detection line 104, and recess portion 1043 may be used also
To be provided only on the second conducting wire 1042 of the first detection line 104, naturally it is also possible in the first conducting wire 1041 and the second conducting wire
Recess portion 1043 is respectively provided on 1042.The shape of recess portion 1043 can be zigzag, can be a sawtooth in each recess portion 1043
It may be multiple sawtooth, its shape be not specifically limited, any shape that stress concentration may be implemented can use.
With continued reference to Fig. 6, display panel provided in this embodiment further includes third detection line 107, and third detection line 107 is set
It sets and deviates from the side of viewing area 101 in the first detection line 104.
Third detection line 107 is positioned apart from the first detection line 104 and the second detection line 103, wherein third detection line
107 can be arranged with the first detection line 104 or 103 same layer of the second detection line, to prevent crackle from extending to viewing area 101；Or
Third detection line 107 and the first detection line 104 and the different layer setting of the second detection line 103.
Further, third detection can be multiple, and multiple third detection lines 107 are in the first detection line 104 away from aobvious
Show that the side in area 101 is positioned apart from；Multiple third detection lines 107 can be arranged with same layer or multiple third detection lines 107 are different
Layer setting.Certainly, multiple third detection lines 107 can be parallel and be positioned apart from, and can also be not parallel and be positioned apart from,
This is not specifically limited.
In the present embodiment, third detection line 107 can be metal wire.Third detection line 107 made of metal can be with
The setting of the metal devices same layers such as capacitor plate, source/drain electrode made of metal in array substrate 10 and integrated molding, so as to
In the production of third detection line 107.
In the present invention, unless otherwise specific regulation, the terms such as term " installation ", " connected ", " connection ", " fixation " are answered
It is interpreted broadly, for example, it may be being fixedly connected, is also possible to removably connect, or be integrally formed, can be mechanical connect
It connects, is also possible to be electrically connected or can communicate each other；It can be directly connected, can also be indirectly connected with by intermediate medium, it can
To be the interaction relationship of connection or two elements inside two elements, unless otherwise restricted clearly.For ability
For the those of ordinary skill in domain, the specific meanings of the above terms in the present invention can be understood according to specific conditions.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (10)
1. a kind of display panel characterized by comprising
Array substrate, the array substrate include viewing area and the non-display area around the viewing area；
First detection line and the second detection line, it is whether cracked for detecting the display panel, first detection line and
Second detection line is located in the non-display area, and surrounds at least part of the viewing area；
Wherein, compared with first detection line, second detection line is closer to the viewing area, and described first detects
At least part of line is non-metal wire, and second detection line is metal wire.
2. display panel according to claim 1, which is characterized in that the array substrate further includes groove, the groove
Between first detection line and second detection line.
3. display panel according to claim 2, which is characterized in that fill organic matter in the groove.
4. display panel according to claim 3, which is characterized in that the display panel further includes and the array substrate
The pixel confining layer being stacked, the array substrate have planarization layer, the organic matter and the pixel confining layer or institute
State planarization layer integrated molding.
5. display panel according to claim 1, which is characterized in that first detection line includes the first conducting wire and second
Conducting wire, first conducting wire are formed with the metal layer same layer in the array substrate, and second conducting wire is non-metal wire, and institute
The second conducting wire is stated to be formed with the non-metallic layer same layer in the array substrate, and first conducting wire and second conducting wire it
Between pass through via hole connect.
6. display panel according to claim 5, which is characterized in that first conducting wire be it is multiple, multiple described first
Conducting wire is positioned apart from along the extending direction of first detection line, passes through second conducting wire between adjacent first conducting wire
Connection.
7. display panel according to claim 1, which is characterized in that the material of the non-metal wire include polysilicon and/
Or tin indium oxide.
8. display panel according to claim 1, which is characterized in that it is recessed to be provided at least one in first detection line
Portion, the recess portion are serrated.
9. display panel according to claim 1, which is characterized in that the display panel further includes third detection line, institute
It states third detection line and the side that first detection line deviates from the viewing area is set.
10. display panel according to claim 9, which is characterized in that the third detection line is metal wire.
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| CN201910243176.2A CN109950286B (en) | 2019-03-28 | 2019-03-28 | Display panel |
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| CN113358707A (en) * | 2021-05-07 | 2021-09-07 | 惠科股份有限公司 | Crack detection structure of substrate, crack detection structure of display panel and crack detection method |
| CN113467140A (en) * | 2020-03-31 | 2021-10-01 | 荣耀终端有限公司 | Display screen, electronic equipment and crack detection method |
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| CN108987607A (en) * | 2018-07-23 | 2018-12-11 | 京东方科技集团股份有限公司 | Display base plate and display device |
| CN108922909A (en) * | 2018-07-26 | 2018-11-30 | 京东方科技集团股份有限公司 | A kind of array substrate, display panel and display device |
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| CN111366619A (en) * | 2020-03-18 | 2020-07-03 | 京东方科技集团股份有限公司 | Display panel, crack detection method thereof and display device |
| CN113467140A (en) * | 2020-03-31 | 2021-10-01 | 荣耀终端有限公司 | Display screen, electronic equipment and crack detection method |
| CN113467140B (en) * | 2020-03-31 | 2022-06-07 | 荣耀终端有限公司 | Display screen, electronic equipment and crack detection method |
| CN113358707A (en) * | 2021-05-07 | 2021-09-07 | 惠科股份有限公司 | Crack detection structure of substrate, crack detection structure of display panel and crack detection method |
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