CN108922909A - A kind of array substrate, display panel and display device - Google Patents
A kind of array substrate, display panel and display device Download PDFInfo
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- CN108922909A CN108922909A CN201810836881.9A CN201810836881A CN108922909A CN 108922909 A CN108922909 A CN 108922909A CN 201810836881 A CN201810836881 A CN 201810836881A CN 108922909 A CN108922909 A CN 108922909A
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- cabling
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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
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/006—Electronic inspection or testing of displays and display drivers, e.g. of LED or LCD displays
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- Physics & Mathematics (AREA)
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- General Physics & Mathematics (AREA)
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- Microelectronics & Electronic Packaging (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The invention discloses a kind of array substrate, display panel and display devices, it is related to field of display technology, array substrate for solving in the related technology can not accurately detect crannied panel, the lower problem of the probability for thering is crack panel to be detected and invent.The array substrate, including viewing area and positioned at the non-display area of non-display area, Crack Detection cabling, crack barrier cabling, the first connection cabling and the second connection cabling are equipped in non-display area, first connection cabling is electrically connected with the first end of Crack Detection cabling, and the second connection cabling is electrically connected with the second end of Crack Detection cabling；Crack Detection cabling has breaking part, and the both ends of crack barrier cabling are corresponded with the both ends of breaking part respectively to be electrically connected；Array substrate further includes electromotive checking end, and electromotive checking end connect cabling electrical connection with first.The present invention can be used in the display panels such as liquid crystal display panel, oled panel.
Description
Technical field
The present invention relates to field of display technology more particularly to a kind of array substrates, display panel and display device.
Background technique
In field of display technology, OLED (Organic Light-Emitting Diode；Organic Light Emitting Diode) display
Panel is as flexible display technologies of new generation in mobile phone, computer, AR (Augmented Reality；Augmented reality) etc.
Aspect, which is gathered around, to have broad application prospects.However, especially being cut in flexible OLED in flexible OLED panel manufacturing process
At in later subsequent technique, face plate edge is easy to generate slight crack under the effect of external force, and extraneous water oxygen is in this way to permeate
Mode entered in oled panel by this slight crack, aoxidize the organic assembly in panel, thus reduce oled panel shine
Efficiency and stability.Therefore, how effectively to stop and detect one of the important topic that slight crack is flexible panel research field.
In order to stop and detect slight crack, a kind of array substrate of oled panel is provided in the related technology, such as Fig. 1 and Fig. 2
It is shown, including viewing area 01 and it is located at viewing area (area AA) 01 peripheral non-display area 02, is equipped with crack in non-display area 02 and examines
Survey (the Panel Crack Detection of cabling 021；Abbreviation PCD), crack barrier dam 022 (Crack dam), first connection walk
Line 023 and the second connection cabling 024, crack barrier dam 022 are located at side of the Crack Detection cabling 021 far from viewing area 01,
Crack barrier dam 022 is formed using inorganic material SiNx/SiOx, mainly the crack of prevention face plate edge generation showing to panel
Show that 01 domain of area is spread；First connection cabling 023 be electrically connected with the first end of Crack Detection cabling 021, second connect cabling 024 and
The second end of Crack Detection cabling 021 is electrically connected；The first data line 011 being parallel to each other and the second data are equipped in viewing area 01
Line 012, the first data line 011 connect cabling 023 with first and are electrically connected, and the second data line 012 connect cabling 024 with second and is electrically connected
It connects；The array substrate further includes electromotive checking end 03 (ET test lead), and electromotive checking end 03 connect cabling 023 with first and is electrically connected
It connects.
In Crack Detection, 01 all pixels of viewing area are opened, high level data signal is written in electromotive checking end 03
(data signal), since electromotive checking end 03 is to connect cabling 023 with first to be electrically connected, the first data line 011 is connected with first
The electrical connection of cabling 023 is connect, then the pixel being connected directly with the first data line 011 will not shine, the region where these pixels
It is shown as black picture；And the pixel being directly connected to the second data line 012, since the second data line 012 is connect away with second
Line 024 is electrically connected, then high level data signal is written in electromotive checking end 03 will could then transmit by Crack Detection cabling 021
To the pixel being connected with the second data line 012.If panel does not crack, data-signal can be smoothly written and the second number
According to the pixel that line 012 is connected, then black picture is presented in entire panel；If panel has crackle, then Crack Detection cabling
021 can therefore when being cracked the internal stress of panel and fracture, then data-signal cannot be written and the second data line
012 pixel being connected, then, the pixel being connected with the second data line 012 will shine, and panel will generate bright in the region
Line；Specific principle is as follows：PTFT turn-on condition is Vgs-Vth<0；As shown in figure 3, before OLED device shines, Vdata write-in
The grid (DTFT) of the TFT of OLED is driven, whether OLED device, which shines, depends on whether this TFT is connected.In crack detection,
VdataFor high voltage；If VdataGrid can be written, then Vgs-Vth=(Vdata+Vth-Vs-Vth)>0, then close TFT, it is whole at this time
Black picture is presented in a display panel.If Crack Detection cabling 021 is breaking (floating state), data line respective column VdataNo
DTFT grid, V can be writtengs-Vth<0 makes OLED device shine, and bright line is presented.
The array substrate of this oled panel in the related technology mainly walks the detection of panel crackle by Crack Detection
Whether line 021 is broken off to carry out, and due to the barrier on crack barrier dam 022, Crack Detection cabling 021 can only be arranged in
Crack obstructs dam 022 close to the side of viewing area 01, and the region that Crack Detection cabling 021 is covered is limited, that is, only splits
Seam is diffused in the region that Crack Detection cabling 021 is covered and can be just detected, if the crack on panel is examined in crack
It surveys except the region that cabling 021 is covered, such as crack obstructs side of the dam 022 far from viewing area 01, would not be detected,
Cause this structure design in the related technology that can not accurately detect crannied panel in this way, there is crack panel to be detected
Probability it is relatively not high, can not find in time generate crack panel, and to generate crack panel handled in time, lead
Cause has the crannied panel of a greater number to enter subsequent processing, greatly reduces the yield of panel.
Summary of the invention
The embodiment of the present invention provides a kind of array substrate, display panel and display device, for solving the relevant technologies
In array substrate can not accurately detect crannied panel, the lower technology of the probability for having crack panel to be detected is asked
Topic.
In order to achieve the above objectives, in a first aspect, the embodiment of the invention provides a kind of array substrate, including viewing area and position
In the non-display area of the non-display area, the non-display area is interior to be equipped with Crack Detection cabling, crack barrier cabling, the first company
Cabling and the second connection cabling are connect, the crack barrier cabling is located at one of the Crack Detection cabling far from the viewing area
Side, the first connection cabling are electrically connected with the first end of the Crack Detection cabling, and the second connection cabling is split with described
The second end electrical connection of seam detection cabling；Crack Detection cabling has breaking part, the both ends difference of the crack barrier cabling
It corresponds and is electrically connected with the both ends of the breaking part；The first data line and second being parallel to each other is equipped in the viewing area
Data line, first data line connect cabling electrical connection with described first, and second data line is connect away with described second
Line electrical connection；The array substrate further includes electromotive checking end, and the electromotive checking end connect cabling electrical connection with described first.
Further, the Crack Detection cabling, the equal detour setting of crack barrier cabling.
Further, the array substrate includes underlay substrate and multiple is stacked in exhausted on the underlay substrate
Velum layer, the Crack Detection cabling, crack barrier cabling are respectively positioned on the insulating film layer, and the Crack Detection
The surface for the insulating film layer that the surface for the insulating film layer that cabling is located at is located at crack barrier cabling is
The surface of same insulating film layer；Or the Crack Detection cabling is located at described in one in two adjacent insulating film layers
On the surface of insulating film layer, the crack barrier cabling is located at another described insulation in two adjacent insulating film layers
On the surface of film layer.
Further, the Crack Detection cabling, the crack barrier cabling, it is described second connection cabling number be
Multiple, multiple Crack Detection cablings are disposed adjacent one by one with multiple crack barrier cablings, each crack barrier
Cabling is respectively positioned on the adjacent side of the Crack Detection cabling far from the viewing area；Each Crack Detection cabling has
There are the breaking part, breaking part of the both ends of each crack barrier cabling with the adjacent Crack Detection cabling
Both ends correspond electrical connection；It is multiple it is described second connection cablings is not connected directly mutually, it is each it is described second connection cabling with
At least one described second data line electrical connection；The first end of multiple Crack Detection cablings connect cabling with described first
Electrical connection；The first end that the second end of multiple Crack Detection cablings connect cabling with multiple described second respectively corresponds
Electrical connection.
Further, the array substrate further includes resistance test end, and the resistance test end includes multiple sub- tests
End, multiple sub- test leads connect cabling with multiple described second respectively and correspond electrical connection.
Further, the Crack Detection cabling, crack barrier cabling, the number of the second connection cabling are equal
It is two, two Crack Detection cablings, two crack barrier cablings, two the second connection cablings are about institute
The median plane of viewing area in a second direction is stated to be symmetrical arranged；Wherein, the first direction be parallel to first data line or
The direction of second data line described in person, the second direction are equal with the thickness direction of the first direction, the array substrate
Vertical direction.
Further, the first connection cabling, the second connection cabling are respectively positioned on the viewing area in a first direction
On side, the first direction is the direction for being parallel to first data line or second data line.
Further, the first connection cabling and the second connection cabling are respectively positioned on the same of the viewing area
Side.
Second aspect, the embodiment of the invention provides a kind of display panels, including array substrate described in first aspect.
The third aspect, the embodiment of the invention provides a kind of display device, the display panel including second aspect.
Array substrate, display panel and display device provided in an embodiment of the present invention, battle array provided in an embodiment of the present invention
Column substrate, since the first connection cabling is electrically connected with the first end of Crack Detection cabling, the second connection cabling is walked with Crack Detection
The second end of line is electrically connected；Crack Detection cabling have breaking part, crack obstruct cabling both ends respectively with breaking part
Both ends correspond electrical connection；First data line connect cabling electrical connection with first, and the second data line connect cabling electricity with second
Connection；Electromotive checking end connect cabling electrical connection with first；In this way, in Crack Detection, if panel does not crack, that
, the data-signal that is inputted by electromotive checking end walks through the first connection cabling, the first end of Crack Detection cabling, Crack Detection
The second number is entered to after line, crack barrier cabling, Crack Detection cabling, the second end of Crack Detection cabling, the second connection cabling
According to line, the pixel being connected with the second data line is smoothly written, then black picture is presented in entire panel；It is split if panel has
Line, then Crack Detection cabling then can therefore when being cracked the internal stress of panel and fracture, then data-signal cannot
The pixel being connected with the second data line is written, then, the pixel being connected with the second data line will shine, and panel is in the area
Domain will generate bright line；Whether bright line is generated according to panel it may determine that whether panel generates slight crack；The embodiment of the present invention provides
Array substrate be that Crack Detection cabling and crack barrier cabling be electrically connecteds, crack barrier cabling is positioned at Crack Detection cabling
Side far from viewing area, in this way, crack barrier cabling not only plays the role of that crack is prevented to diffuse to viewing area, while
Play the role of detecting crack, Crack Detection cabling and crack barrier cabling collectively constitute detection route, substantially increase inspection
The region that is covered of cabling is surveyed, as long as panel has crack in the region that the two cover, so that it may so that Crack Detection cabling and
Both crack barrier cablings are broken, to improve the probability that crack panel is detected；And there is crack panel tested
The raising for the probability measured, it will be able to discovery in time generates the panel in crack, and is handled in time the panel for generating crack,
The quantity that crannied panel enters subsequent processing is greatly reduced, so as to greatly improve the yield of panel.
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 only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the top view of one of the relevant technologies array substrate；
Fig. 2 is the B-B cross section view of Fig. 1；
The structural schematic diagram of PTFT in Fig. 3 array substrate；
Fig. 4 is the top view of the array substrate in an embodiment of the present invention；
Fig. 5 is the C-C cross section view of Fig. 4；
Fig. 6 is the top view of the array substrate in another embodiment of the present invention；
Fig. 7 is the D-D cross section view of Fig. 6；
Fig. 8 is the E-E cross section view of Fig. 6.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that, term " center ", "upper", "lower", "front", "rear", " left side ",
The orientation or positional relationship of the instructions such as " right side ", "vertical", "horizontal", "top", "bottom", "inner", "outside" is based on the figure
Orientation or positional relationship is merely for convenience of description of the present invention and simplification of the description, rather than the device of indication or suggestion meaning or
Element must have a particular orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It is right
For those skilled in the art, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
Term " first ", " second " be used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance or
Implicitly indicate the quantity of indicated technical characteristic." first " is defined as a result, the feature of " second " can be expressed or imply
Ground includes one or more of the features.In the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or
It is more than two.
In a first aspect, as shown in figure 4, the embodiment of the invention provides a kind of array substrate, including viewing area 1 and it is located at aobvious
Show the non-display area 2 of 1 periphery of area, Crack Detection cabling 21 is equipped in non-display area 2, the barrier connection of cabling 22, first in crack is walked
Line 23 and the second connection cabling 24, crack barrier cabling 22 are located at side of the Crack Detection cabling 21 far from viewing area 1, and first
Connection cabling 23 is electrically connected with the first end (end a in figure) of Crack Detection cabling 21, and the second connection cabling 24 is walked with Crack Detection
The second end (end b in figure) of line 21 is electrically connected；Crack Detection cabling 21 has breaking part 211, and crack obstructs the two of cabling 22
End corresponds with the both ends of breaking part 211 be electrically connected respectively；11 He of the first data line being parallel to each other is equipped in viewing area 1
Second data line 12, the first data line 11 connect cabling 23 with first and are electrically connected, and the second data line 12 connect cabling 24 with second
Electrical connection；Array substrate further includes electromotive checking end 3, and electromotive checking end 3 connect cabling 23 with first and is electrically connected.
Wherein, the array substrate in the embodiment of the present invention both can also apply liquid crystal using with oled panel
Show panel, is not specifically limited herein；Crack Detection cabling 21, crack barrier cabling 22, first connect cabling 23 and second
Connection cabling 24 may each be cabling made of conductive metal (such as Mo).
Array substrate provided in an embodiment of the present invention, as shown in figure 4, due to the first connection cabling 23 and Crack Detection cabling
21 first end electrical connection, the second connection cabling 24 are electrically connected with the second end of Crack Detection cabling 21；Crack Detection cabling 21
With breaking part 211, the both ends of crack barrier cabling 22 are corresponded with the both ends of breaking part 211 respectively to be electrically connected；The
One data line 11 connect cabling 23 with first and is electrically connected, and the second data line 12 connect cabling 24 with second and is electrically connected；Electromotive checking
End 3 connect cabling 23 with first and is electrically connected；In this way, in Crack Detection, if panel does not crack, then, it is surveyed by electrical measurement
The data-signal that examination end 3 inputs connects cabling 23 through first, the first end of Crack Detection cabling 21, Crack Detection cabling 21, splits
Second is entered to after seam barrier cabling 22, Crack Detection cabling 21, the second end of Crack Detection cabling 21, the second connection cabling 24
Data line 12, the pixel being connected with the second data line 12 is smoothly written, then black picture is presented in entire panel；If panel produces
Have crackle, then Crack Detection cabling 21 then can therefore when being cracked the internal stress of panel and fracture, then data
The pixel being connected with the second data line 12 cannot be written in signal, then, the pixel being connected with the second data line 12 will be sent out
Light, panel will generate bright line in the region；Whether bright line is generated according to panel it may determine that whether panel generates slight crack；This hair
The array substrate that bright embodiment provides is to be electrically connected Crack Detection cabling 21 with crack barrier cabling 22, and crack obstructs cabling 22
It is to be located at side of the Crack Detection cabling 21 far from viewing area 1, in this way, crack barrier cabling 22 not only plays and crack is prevented to expand
It is dissipated to the effect of viewing area 1, while also functioning to the effect in detection crack, Crack Detection cabling 21 and crack barrier cabling 22 are total
With composition detection route, the region that detection cabling is covered is substantially increased, as long as panel has in the region that the two covers
Crack, so that it may so that both Crack Detection cabling 21 and crack barrier cabling 22 are broken, to improve crack panel
The probability being detected；And the raising for the probability for thering is crack panel to be detected, it will be able to discovery generates the panel in crack in time,
And the panel for generating crack is handled in time, the quantity that crannied panel enters subsequent processing is greatly reduced, from
And the yield of panel can be greatly improved.
In order to further increase the probability for generating the panel in crack and being detected, as shown in figure 4, Crack Detection cabling 21,
Crack obstructs the setting of the equal detour of cabling 22.In this way, the length of Crack Detection cabling 21, crack barrier cabling 22 is increased, thus
The area of the overlay area of detection route composed by Crack Detection cabling 21 and crack barrier cabling 22 is increased, and then can be with
It improves and generates the probability that the panel in crack is detected.
Wherein, the mode that Crack Detection cabling 21, crack barrier 22 detour of cabling are arranged is not limited in Fig. 4 set
Mode, as long as can increase Crack Detection cabling 21, crack barrier cabling 22 length and increase Crack Detection cabling 21
With the set-up mode of the area of the overlay area of detection route composed by crack barrier cabling 22.
In array substrate provided in an embodiment of the present invention, the first connection cabling 23, second connects cabling 24 with respect to viewing area 1
Setting position it is also not unique, for example, as shown in figure 4, the first connection cabling 23, second connects cabling 24 and can be respectively positioned on display
The side in (such as Y-direction shown in Fig. 4) in a first direction of area 1, first direction are to be parallel to the first data line 11 or the
The direction of two data lines 12.In addition, the first connection cabling 23, second connects cabling 24 and can also be respectively positioned on viewing area 1 second
Side on direction, second direction are the direction vertical with the thickness direction of first direction, array substrate, such as shown in Fig. 4
X-direction.The side of viewing area 1 in a second direction can be respectively positioned on by connecting cabling 24 compared to the first connection cabling 23, second,
When the first connection connection cabling 24 of cabling 23, second is respectively positioned on the side of viewing area 1 in a first direction, the first data line 11,
Second data line 12 directly corresponding with the first connection connection cabling 24 of cabling 23, second respectively can be electrically connected, and be not necessarily to pitch of the laps,
It facilitates data line and connect the connection that cabling 23, second connects cabling 24 with first.
The implementation that cabling 24 is respectively positioned on the side of viewing area 1 in a first direction is connected in the first connection cabling 23, second
In example, the relative position of the first connection cabling 23 and the second connection cabling 24 is not also unique, for example, as shown in figure 4, the first connection
Cabling 23 and the second connection cabling 24 can be respectively positioned on the same side of viewing area 1 in a first direction.In addition, the first connection cabling
23 and second connection cabling 24 can also be located at the two sides of viewing area 1 in a first direction.Compared to the first connection cabling 23
The two sides of viewing area 1 in a first direction are located at the second connection cabling 24, the first connection cabling 23 and the second connection are walked
When line 24 is respectively positioned on the same side of viewing area 1 in a first direction, the wiring of array substrate can be made more compact, be convenient for crack
First end, the second end of detection cabling 21 connect cabling 23, second with first respectively and connect the electrical connection of cabling 24.
As shown in figure 5, array substrate includes underlay substrate 4 and multiple is stacked in the insulating film on underlay substrate 4
Layer 5；
Wherein, Crack Detection cabling 21, position is not also unique set by crack barrier cabling 22, for example, such as Fig. 5 institute
Show, Crack Detection cabling 21, crack barrier cabling 22 can be respectively positioned on insulating film layer 5, for example, Crack Detection cabling 21, splitting
Seam barrier cabling 22 can be respectively positioned on GI2 layers (insulating layers between Gate1 and Gate2).In addition, Crack Detection cabling 21,
Crack barrier cabling 22 can also be respectively positioned on the surface of underlay substrate 4.Cabling 22 is obstructed compared to Crack Detection cabling 21, crack
It is respectively positioned on the surface of underlay substrate 4, when Crack Detection cabling 21, crack barrier cabling 22 are respectively positioned on insulating film layer 5, crack
Detection cabling 21, crack barrier cabling 22 can be completed in same procedure with the grid line etc. on 1 insulating film layer 5 of viewing area
Production, such as shown in Fig. 5, Crack Detection cabling 21, crack barrier cabling 22 can with Gate2 (viewing area pixel circuit
Grid line and the metal layer that storage capacitance is formed with Gate1) it makes together, the production work of array substrate can be greatly simplified in this way
Skill, to advantageously reduce the cost of manufacture of array substrate.
It is respectively positioned in the embodiment on insulating film layer 5 in Crack Detection cabling 21, crack barrier cabling 22, Crack Detection is walked
The set-up mode of line 21, crack barrier cabling 22 on insulating film layer 5 is not also unique, may include following two embodiment：
Fig. 4 and Fig. 5 show Crack Detection cabling 21, crack barrier cabling 22 is located at the implementation on same insulating film layer 5
Example, in this embodiment, the surface and crack for the insulating film layer 5 that Crack Detection cabling 21 is located at obstruct what cabling 22 was located at
The surface of insulating film layer 5 is the surface of same insulating film layer 5, than as shown in figure 5, Crack Detection cabling 21, crack obstruct cabling
22 are respectively positioned on GI2 layers of surface.In this embodiment, in Crack Detection cabling 21, crack barrier cabling 22 and viewing area 1
Grid line (such as Gate2) etc. made simultaneously in a procedure of a mask plate, greatly simplify the production work of array substrate
Skill.
Fig. 6, Fig. 7 and Fig. 8 show Crack Detection cabling 21, crack barrier cabling 22 is located at the implementation in different film layers
Example, in this embodiment, Crack Detection cabling 21 is located at the surface of an insulating film layer 5 in two adjacent insulating film layers 5
On, crack barrier cabling 22 is located on the surface of another insulating film layer 5 in two adjacent insulating film layers 5, such as Fig. 7 institute
Show, crack barrier cabling 22 is located on the surface of GI1 layers (insulating layers of TFT device grids), and Crack Detection cabling 21 is located at GI2
On the surface of layer.In this embodiment, Crack Detection cabling 21, crack barrier cabling 22 can respectively in two procedures with
Grid line etc. in viewing area 1 completes the production together, such as shown in Fig. 7, and crack obstructs cabling 22 can be with the Gate1 (grid of TFT
Pole) it is made simultaneously in a procedure of a mask plate；Crack Detection cabling 21 can be used in a procedure with Gate2
One mask plate makes simultaneously, to can also simplify the manufacture craft of array substrate.
It is located in the embodiment in different film layers in Crack Detection cabling 21, crack barrier cabling 22, due to Crack Detection
Cabling 21, crack barrier cabling 22 are located in different film layers, in this way, between Crack Detection cabling 21, crack barrier cabling 22
It is to realize to be electrically connected by conducting bridge, as shown in figure 8, one end of breaking part 211 passes through SD (viewing area pixel circuit data line
Metal layer) conducting bridge that is barricaded as realizes electrical connection
In order to which Crack Detection cabling 21, crack barrier cabling 22 to be isolated with the external world, as shown in Fig. 5, Fig. 7 and Fig. 8, split
Is all covered with insulating film layer 5 on seam detection cabling 21, crack barrier cabling 22, insulating film layer 5 be used for by Crack Detection cabling 21,
Crack obstructs cabling 22 and seals, such as shown in Fig. 5, Crack Detection cabling 21 is covered with ILD layer (inter-level dielectric electric insulation layer), splits
Seam barrier cabling 22 is covered with PLN layers (organic insulation flatness layers).By being obstructed on cabling 22 in Crack Detection cabling 21, crack
Covering insulating film layer 5 can prevent Crack Detection cabling 21, crack barrier cabling 22 to be in contact with the external world, to be better protected from
Crack Detection cabling 21, crack barrier cabling 22 are corroded by extraneous water oxygen, to ensure that the accurate of panel crack detection
Property.
Wherein, the type of the insulating film layer 5 covered on crack barrier cabling 22 is not unique, for example, as shown in figure 5,
Crack is obstructed and can be covered using organic insulation film layer 5 on cabling 22, such as PLN layers；In addition, can also on crack barrier cabling 22
To be covered using inorganic insulation film layer 5, such as ILD layer.Compared to inorganic insulation film layer 5, the hardness of organic insulating film is larger, will have
Crack can be better protected from the covering of machine insulating film and crack barrier cabling 22 to spread to the viewing area of panel 1.
In order to further increase the probability that the crack panel having is detected, as shown in figure 4, Crack Detection cabling 21,
The number that crack barrier cabling 22, second connects cabling 24 is multiple (as shown in the figure is 2), multiple Crack Detection cablings 21
It is disposed adjacent one by one with multiple cracks barrier cabling 22, each crack barrier cabling 22 is respectively positioned on adjacent Crack Detection cabling 21
Side far from viewing area 1；Each Crack Detection cabling 21 all has breaking part 211, and each crack obstructs the two of cabling 22
End corresponds with the both ends of the breaking part 211 of adjacent Crack Detection cabling 21 and is electrically connected；Multiple second connection cablings
24 are mutually not attached to, and each second connection cabling 24 is electrically connected at least one second data line 12；Multiple Crack Detection cablings 21
First end connect with first cabling 23 electrical connection；The second end of multiple Crack Detection cablings 21 is connect with multiple second respectively
Cabling 24 corresponds electrical connection.In this way in Crack Detection, pass through detection and connected pixel on each second data line 12
Whether shine can detect whether panel generates crack；It is walked by the way that multiple Crack Detection cablings 21 and crack barrier are arranged
Line 22, in this way, the total length of Crack Detection cabling 21, crack barrier cabling 22 is further increased, to increase crack inspection
The area of the overlay area of detection route composed by cabling 21 and crack barrier cabling 22 is surveyed, and then splitting of having can be improved
The probability that seam panel is detected.
In array substrate provided in an embodiment of the present invention, electromotive checking point is mainly in the also unbound IC of panel
(integrated circuit；Integrated circuit) before, by electromotive checking point input data signal come the crack to panel
It is detected.After panel binds IC, detected for the ease of the crack of plate, as shown in figure 4, array substrate further includes electricity
Test lead 6 is hindered, resistance test end 6 includes multiple sub- test leads 61, and multiple sub- test leads 61 connect cabling with multiple second respectively
24 correspond electrical connection.In this way by detection the sub- test lead 61 of every two between resistance (namely Crack Detection cabling 21,
Crack obstructs cabling 22, first and connects the all-in resistance that cabling 23, second connects cabling 24) crackle inspection can be carried out to panel
It surveys；If panel does not generate crack, Crack Detection cabling 21, crack barrier cabling 22 would not be disconnected, then
Resistance value can be measured between the sub- test lead 61 of every two；If panel produces crack, Crack Detection cabling 21,
Crack barrier cabling 22 just will appear disconnection, then two corresponding with the Crack Detection cabling 21, crack barrier cabling 22
The resistance measured between sub- test lead 61 will be infinitely great.It can be sentenced by detecting the resistance between sub- test lead 61 in this way
Whether sectional board has generated crack, thus just without obstructing 22 input data signal of cabling, side to Crack Detection cabling 21, crack
Just panel binds the detection in crack after IC.
Wherein, resistance test end 6, can also be in addition to that can detect after panel binds IC to the crack of panel
The crack of panel is detected before panel binding IC.
In array substrate provided in an embodiment of the present invention, Crack Detection cabling 21, the crack barrier connection of cabling 22, second are walked
The number of line 24 should not be excessive, if the number that Crack Detection cabling 21, crack barrier cabling 22, second connect cabling 24 is excessive
If, such as 3 or more, then the wiring in array substrate will become complicated, it is unfavorable for reducing being fabricated to for array substrate
This；Therefore, as shown in figure 4, being two when Crack Detection cabling 21, crack barrier cabling 22, second connect the number of cabling 24
When, so that wiring is become extremely complex, and the total length of Crack Detection cabling 21, crack barrier cabling 22 can be increased, with
It improves and generates the probability that the panel in crack is detected.
In order to more optimize the layout of Crack Detection cabling 21, crack barrier cabling 22, as shown in figure 4, two crack inspections
It surveys 21, two cracks of cabling and obstructs median plane of cabling 22, the two second connection cablings 24 about viewing area 1 in a second direction
It is symmetrical arranged.
Second aspect, the embodiment of the invention provides a kind of display panels, including array substrate described in first aspect.
Wherein, display panel provided in an embodiment of the present invention, either oled panel, is also possible to LCD display
Plate is not specifically limited herein.
The battle array as described in array substrate and first aspect included in display panel provided in an embodiment of the present invention
Column substrate is identical, so also solving identical technical problem, has reached identical technical effect.As for the other of display panel
Structure is known to those skilled in the art, and details are not described herein.
The third aspect, the embodiment of the invention provides a kind of display devices, including display panel described in second aspect.
It is shown as described in display panel and second aspect included in display device provided in an embodiment of the present invention
Show that panel is identical, so also solving identical technical problem, has reached identical technical effect.As for the other of display device
Structure is known to those skilled in the art, and details are not described herein.
More than, only a specific embodiment of the invention, but scope of protection of the present invention is not limited thereto, and it is any to be familiar with
Those skilled in the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all cover
Within protection scope of the present invention.Therefore, protection scope of the present invention should be subject to the protection scope in claims.
Claims (10)
1. a kind of array substrate, including viewing area and positioned at the non-display area of the non-display area, which is characterized in that described non-
Crack Detection cabling, crack barrier cabling, the first connection cabling and the second connection cabling, the crack resistance are equipped in viewing area
It is located at the side of the Crack Detection cabling far from the viewing area, the first connection cabling and the Crack Detection every cabling
The first end of cabling is electrically connected, and the second connection cabling is electrically connected with the second end of the Crack Detection cabling；Crack Detection
Cabling has breaking part, and the both ends of the crack barrier cabling are corresponded with the both ends of the breaking part respectively to be electrically connected
It connects；The first data line and the second data line being parallel to each other, first data line and described first are equipped in the viewing area
Cabling electrical connection is connected, second data line connect cabling electrical connection with described second；The array substrate further includes electrical measurement
Test lead, the electromotive checking end connect cabling electrical connection with described first.
2. array substrate according to claim 1, which is characterized in that the Crack Detection cabling, crack barrier are walked
The equal detour setting of line.
3. array substrate according to claim 1, which is characterized in that the array substrate includes underlay substrate and multiple
It is stacked in the insulating film layer on the underlay substrate, the Crack Detection cabling, crack barrier cabling are respectively positioned on institute
It states on insulating film layer, and the surface of the insulating film layer that is located at of the Crack Detection cabling and the crack obstruct cabling
The surface for the insulating film layer being located at is the surface of same insulating film layer；Or the Crack Detection cabling is positioned at adjacent
On the surface of an insulating film layer in two insulating film layers, the crack barrier cabling is located at two adjacent institutes
On the surface for stating another insulating film layer in insulating film layer.
4. array substrate described in any one of claim 1 to 3, which is characterized in that the Crack Detection cabling, described
Crack barrier cabling, the second connection cabling number be it is multiple, multiple Crack Detection cablings described are split with multiple
Seam barrier cabling is disposed adjacent one by one, and each crack barrier cabling is respectively positioned on the adjacent Crack Detection cabling far from institute
State the side of viewing area；Each Crack Detection cabling all has the breaking part, each crack barrier cabling
Both ends correspond with the both ends of the breaking part of the adjacent Crack Detection cabling and are electrically connected；Multiple second connections
It is mutually not attached between cabling, and each second connection cabling is electrically connected with the second data line described at least one；It is multiple
The first end of the Crack Detection cabling connect cabling electrical connection with described first；The second of multiple Crack Detection cablings
End connect cabling with multiple described second respectively and corresponds electrical connection.
5. array substrate according to claim 4, which is characterized in that the array substrate further includes resistance test end, institute
Stating resistance test end includes multiple sub- test leads, and it is a pair of that multiple sub- test leads connect cabling one with multiple described second respectively
It should be electrically connected.
6. array substrate according to claim 4, which is characterized in that the Crack Detection cabling, crack barrier are walked
Line, the second connection cabling number be two, two Crack Detection cablings, two cracks barrier cablings,
Two the second connection cablings are symmetrical arranged about the median plane of the viewing area in a second direction；
Wherein, the first direction is the direction for being parallel to first data line or second data line, described second
Direction is the direction vertical with the thickness direction of the first direction, the array substrate.
7. array substrate according to claims 1 to 3, which is characterized in that the first connection cabling, second connection
Cabling is respectively positioned on the side of the viewing area in a first direction, the first direction be parallel to first data line or
The direction of second data line.
8. array substrate according to claim 7, which is characterized in that the first connection cabling and second connection are walked
Line is respectively positioned on the same side of the viewing area.
9. a kind of display panel, which is characterized in that including array substrate according to any one of claims 1 to 8.
10. a kind of display device, which is characterized in that including display panel as claimed in claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201810836881.9A CN108922909A (en) | 2018-07-26 | 2018-07-26 | A kind of array substrate, display panel and display device |
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|---|---|---|---|
| CN201810836881.9A CN108922909A (en) | 2018-07-26 | 2018-07-26 | A kind of array substrate, display panel and display device |
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| CN201810836881.9A Pending CN108922909A (en) | 2018-07-26 | 2018-07-26 | A kind of array substrate, display panel and display device |
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| CN109950286A (en) * | 2019-03-28 | 2019-06-28 | 昆山国显光电有限公司 | Display panel |
| CN111307867A (en) * | 2020-02-21 | 2020-06-19 | 京东方科技集团股份有限公司 | Display panel, crack detection method thereof and display device |
| CN111540294A (en) * | 2020-06-04 | 2020-08-14 | 京东方科技集团股份有限公司 | Display panel, crack detection method thereof and display device |
| CN111900266A (en) * | 2020-08-11 | 2020-11-06 | 京东方科技集团股份有限公司 | Display panel, preparation method thereof and display device |
| CN112419947A (en) * | 2020-11-20 | 2021-02-26 | 上海天马有机发光显示技术有限公司 | Display panel, crack detection method thereof and display device |
| WO2021068402A1 (en) * | 2019-10-08 | 2021-04-15 | 武汉华星光电半导体显示技术有限公司 | Crack detection circuit and display panel |
| CN112837616A (en) * | 2021-01-05 | 2021-05-25 | 昆山国显光电有限公司 | Display panel, manufacturing method thereof and display device |
| CN113506518A (en) * | 2021-09-09 | 2021-10-15 | 惠科股份有限公司 | Display panel and display device |
| WO2021207924A1 (en) * | 2020-04-14 | 2021-10-21 | 京东方科技集团股份有限公司 | Display panel and display device |
| WO2021249199A1 (en) * | 2020-06-11 | 2021-12-16 | 京东方科技集团股份有限公司 | Display panel, crack detection method therefor, and display device |
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| CN109950286A (en) * | 2019-03-28 | 2019-06-28 | 昆山国显光电有限公司 | Display panel |
| WO2021068402A1 (en) * | 2019-10-08 | 2021-04-15 | 武汉华星光电半导体显示技术有限公司 | Crack detection circuit and display panel |
| CN111307867A (en) * | 2020-02-21 | 2020-06-19 | 京东方科技集团股份有限公司 | Display panel, crack detection method thereof and display device |
| CN111307867B (en) * | 2020-02-21 | 2022-12-02 | 京东方科技集团股份有限公司 | Display panel, crack detection method thereof and display device |
| US20220190088A1 (en) * | 2020-04-14 | 2022-06-16 | Chengdu Boe Optoelectronics Technology Co., Ltd. | Display panel and display device |
| US12016217B2 (en) | 2020-04-14 | 2024-06-18 | Chengdu Boe Optoelectronics Technology Co., Ltd. | Display panel and display device including crack detection line electrically connecting first and second pins |
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| CN111540294A (en) * | 2020-06-04 | 2020-08-14 | 京东方科技集团股份有限公司 | Display panel, crack detection method thereof and display device |
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| US11887515B2 (en) | 2020-06-11 | 2024-01-30 | Chengdu Boe Optoelectronics Technology Co., Ltd. | Display panel, crack detection method therefor, and display device |
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| CN112419947A (en) * | 2020-11-20 | 2021-02-26 | 上海天马有机发光显示技术有限公司 | Display panel, crack detection method thereof and display device |
| CN112419947B (en) * | 2020-11-20 | 2023-05-26 | 武汉天马微电子有限公司 | Display panel, crack detection method thereof and display device |
| CN112837616A (en) * | 2021-01-05 | 2021-05-25 | 昆山国显光电有限公司 | Display panel, manufacturing method thereof and display device |
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| CN115457912B (en) * | 2021-06-09 | 2023-07-25 | 荣耀终端有限公司 | Display panel and display device |
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Application publication date: 20181130 |