CN209560899U - Flexible display apparatus - Google Patents
Flexible display apparatus Download PDFInfo
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- CN209560899U CN209560899U CN201821905982.9U CN201821905982U CN209560899U CN 209560899 U CN209560899 U CN 209560899U CN 201821905982 U CN201821905982 U CN 201821905982U CN 209560899 U CN209560899 U CN 209560899U
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Abstract
Disclose a kind of flexible display apparatus comprising: panel body, including viewing area and positioned at the non-display area of non-display area, non-display area includes bent area；Multiple pixels are set to the viewing area of panel body；Multiple data lines are connect with multiple pixels；And first panel crack detection line, it is set to the bent area of panel body.According to the flexible display apparatus of the utility model embodiment, when fracture or change in resistance occur for first panel crack detection line, it can be determined that the bent area for going out panel body produces crack defect, and otherwise bent area does not crack.For flexible display apparatus, whether the position that can directly judge that crackle generates is located at bent area, to improve crack detection efficiency.
Description
Technical field
The utility model relates to display fields, and in particular to a kind of flexible display apparatus.
Background technique
Display device is widely used in the fields such as mobile phone, wearable device, electronic reader, the display device of mainstream
Generally comprise liquid crystal display device (Liquid Crystal Display, LCD) and Organic Light Emitting Diode (Organic
Light-Emitting Diode, OLED) display device.
The production of above-mentioned display device usually requires then to cut by carrying out multiple processing procedures on public underlay substrate
Or removing obtains single display device.In cutting or stripping process, display device is constantly trampled on, and is easy to produce screen body
Crackle.Further for display device flexible, crackle is also easy to produce in the region of its bending.
The prior art generallys use panel crack detection (panel crack detection, PCD) circuit to detect screen body
Crackle.
Utility model content
In PCD circuit, it is usually provided with a crack detection line of the non-display area around display device.However,
The crack detection scheme of the prior art is only capable of the presence or absence of detection crackle, and is specifically in cut place for crackle and still bends
Place, can not further judge.
The utility model provides a kind of flexible display apparatus, and whether the position that can judge that crackle generates is located at bent area,
Improve crack detection efficiency.
The utility model embodiment provides a kind of flexible display apparatus comprising: panel body, including viewing area and position
In the non-display area of non-display area, non-display area includes bent area；Multiple pixels are set to the viewing area of panel body；It is more
Data line is connect with multiple pixels；And first panel crack detection line, it is set to the bent area of panel body.
According to the one aspect of the utility model embodiment, bent-axis extending direction of the flexible display apparatus in bent area
It is upper not have display unit.
According to the one aspect of the utility model embodiment, non-display area further includes chip installation area, chip installation area with
Bent area is adjacent and is located at bent area far from viewing area side.
According to the one aspect of the utility model embodiment, flexible display apparatus further includes test voltage line, first panel
One end of crack detection line is connect with test voltage line, and the other end is connected by least one in switch element and multiple data lines
It connects.
According to the one aspect of the utility model embodiment, first panel crack detection line include two interconnected with
Upper segment, more than two segments are arranged in the various wirings layer of panel body.
According to the one aspect of the utility model embodiment, panel body has outer contour, first panel crack detection
The number of line is two or more, wherein a first panel crack detection line is near the segment of outer contour and another first
Panel crack detection line is located in various wirings layer near the segment of outer contour.
According to the one aspect of the utility model embodiment, flexible display apparatus further include: second panel crack detection line,
It is set in the non-display area of panel body and outside bent area.
According to the one aspect of the utility model embodiment, panel body has outer contour, first panel crack detection
Line is less than second panel crack detection line near outer contour near the segment of outer contour at a distance from outer contour
Segment is at a distance from outer contour.
According to the one aspect of the utility model embodiment, first panel crack detection line and second panel crack detection line
It is connected.
According to the one aspect of the utility model embodiment, second panel crack detection line also extends past bent area.
According to the one aspect of the utility model embodiment, second panel crack detection line includes first segment interconnected
And second segment, first segment extend to bent area, second segment is distributed in non-display area, wherein the ductility of first segment is better than second
The ductility of section.
According to the one aspect of the utility model embodiment, first panel crack detection line and/or the inspection of second panel crackle
Survey line extends in the bent area of panel body in doubling threadiness；One end of second panel crack detection line and test voltage line connect
It connects, the other end is connect by switch element at least one in multiple data lines；Second panel crack detection line and the first face
Plate crack detection line same layer in the wiring layer of panel body is arranged；First panel crack detection line and second panel crack detection
Line is connected to the different data line in multiple data lines.
According to the one aspect of the utility model embodiment, switch element is transistor, transistor include source electrode, drain electrode with
And grid, first panel crack detection line are connected to the source electrode of transistor, one of them in drain electrode, data line is connected to crystal
Another in the source electrode of pipe, drain electrode, flexible display apparatus further include: testing and control line is connected to the grid of transistor.
According to the flexible display apparatus of the utility model embodiment, first panel crackle is set in the bent area of panel body
Detection line, when fracture or change in resistance occur for first panel crack detection line, it can be determined that is produced from the bent area for going out panel body
Crack defect is given birth to, otherwise bent area does not crack.For flexible display apparatus, the position that crackle generates can be directly judged
It sets and whether is located at bent area, to improve crack detection efficiency.
Detailed description of the invention
By reading detailed description of non-limiting embodiments referring to the drawings, other spies of the utility model
Sign, objects and advantages will become more apparent upon, wherein the same or similar appended drawing reference indicates the same or similar feature.
Fig. 1 shows the structural schematic diagram of the flexible display apparatus according to the utility model embodiment；
Fig. 2 shows A-A in Fig. 1 to schematic cross-section；
Fig. 3 shows the schematic cross-section of B-B direction in Fig. 1.
Specific embodiment
The feature and exemplary embodiment of the various aspects of the utility model is described more fully below, in order to keep this practical new
The objects, technical solutions and advantages of type are more clearly understood, and below in conjunction with drawings and the specific embodiments, carry out to the utility model
It is described in further detail.It should be understood that specific embodiment described herein is only configured to explain the utility model, do not matched
It is set to restriction the utility model.To those skilled in the art, the utility model can not need these details
In some details in the case where implement.Below the description of embodiment is used for the purpose of passing through the example for showing the utility model
The utility model is better understood to provide.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence " including ... ", it is not excluded that including
There is also other identical elements in the process, method, article or equipment of the element.
Fig. 1 shows the structural schematic diagram of the flexible display apparatus according to the utility model embodiment, the flexibility of the present embodiment
Display device can be OLED flexible display apparatus, or other flexible display apparatus such as also can include but is not limited to LCD.It is soft
Property display device include panel body 110, multiple pixel P, multiple data lines D1, D2, D3 ..., D (m-2), D (m-1), Dm, with
And first panel crack detection line 120.
Panel body 110 includes underlay substrate and multiple layers of structure being formed on underlay substrate.Underlay substrate can be with
It is polymer substrates or the substrates comprising polymer materials such as PI such as polyimides (Polyimide, PI) film, so that panel
Ontology 110 is flexibility.Multiple layers of structure for example may include the driving layer with transistor arrangement, can also include being located at driving
Light emitting device layer on layer can also include encapsulated layer and touch control layer etc..Panel body 110 includes viewing area 110a and position
Non-display area 110b in the periphery viewing area 110a, non-display area 110b include bent area 110c.
Pixel P is minimum unit for displaying images, and each pixel P for example can be to be appointed for showing in red, green, blue
Anticipate the sub-pixel of color (being also possible to other colors such as white, green) a kind of, be also possible to include multiple sub-pixels pixel unit.
Multiple pixel P are arranged in the viewing area 110a of panel body 110.Multiple pixel P can in the 110a of viewing area array arrangement,
Such as equidistantly arrange on line direction or column direction, to form multirow or multiple row.
Multiple data lines D1 to Dm (m >=2) is connect with multiple pixel P, and multiple data lines D1 to Dm is substantially in the present embodiment
It along column Xiang Yanshen, and is corresponded with multiple row pixel P, each column pixel P is connected on corresponding data line.
It should be noted that flexible display apparatus can also include other public affairs such as multi-strip scanning line, a plurality of power supply line
The cable architecture and, for example, sequence controller known, the gate drive apparatus connecting with scan line, the source electrode connecting with data line drive
Device well known to device etc. is moved, above-mentioned conventional partial is not shown in figure.
First panel crack detection line 120 is set to the bent area 110c of panel body 110.First panel crack detection line
120 quantity can be individually, be also possible to it is multiple, in the present embodiment, first panel crack detection line 120 be in bent area
110c symmetrically arranged two, such as set on the bent-axis direction of bent area 110c with the vertical central symmetry of bent area
It sets.
According to the flexible display apparatus of the utility model embodiment, it is arranged first in the bent area 110c of panel body 110
Panel crack detection line 120, when fracture or change in resistance occur for first panel crack detection line 120, it can be determined that go out panel
The bent area 110c of ontology 110 produces crack defect, and otherwise bent area 110c is not cracked.Flexible Displays are filled
It sets, whether the position that can directly judge that crackle generates is located at bent area 110c, to improve crack detection efficiency.
In some embodiments, flexible display apparatus does not have display on the bent-axis extending direction of bent area 110c
Unit.Herein, the bent-axis extending direction of bent area 110c refer in the 110c of bent area with bent area 110c bend when shape
At the parallel axis of curved surface extending direction.Such as in flexible display apparatus shown in Fig. 1, bent area 110c is from panel
The left end of ontology 110 extends to right end and is laterally extended, and the part below the 110c of bent area is allowed to be bent or be folded to display
The back of area 110a.
In some embodiments, non-display area 110b further includes chip installation area 110d, chip installation area 110d and bending
Area 110c is adjacent and is located at bent area 110c far from the viewing area side 110a, therefore in bent area 110c bending, chip installation
Area 110d can be bent or be folded to the back of viewing area 110a.Chip on the 110d of chip installation area can be in substrate flexible
It is formed on substrate, so that the bending with flexible display apparatus changes position.
In some embodiments, first panel crack detection line 120 can connect to external circuits, thus to Flexible Displays
The crackle of device is detected.
In some embodiments, crack detection process can carry out simultaneously during panel test (Cell Test), from
And crackle is found early, avoid the waste of subsequent technique resource.
In the present embodiment, flexible display apparatus further includes test voltage line TD, and Yu Feixian can be set in test voltage line TD
Show area 110b, also can be set outside panel body 110 in some embodiments certainly.
One end of first panel crack detection line 120 is connect with test voltage line TD, first panel crack detection line 120
The other end at least one connecting into Dm by switch element and multiple data lines D1.
In the present embodiment, the switch element between first panel crack detection line 120 and data line is the first transistor
T1, the first transistor T1 include source electrode, drain electrode and grid, one of connection in the source electrode of the first transistor T1, drain electrode
To first panel crack detection line 120, another in the source electrode of the first transistor T1, drain electrode is connected to multiple data lines D1 extremely
Wherein one in Dm.Flexible display apparatus further includes testing and control line TG, and the grid of the first transistor T1 is connected to test control
Line TG processed, so that the electric potential signal for the grid that testing and control line TG is given to the first transistor T1 can control the inspection of first panel crackle
On-off between survey line 120 and respective data lines.
In the present embodiment, first panel crack detection line 120 is, for example, two, two first panel crack detection lines
120 are arranged symmetrically on panel body 110 with the vertical centerline of panel body 110.A wherein first panel crack detection
Line 120 is connected to data line D1 by switch element, and another first panel crack detection line 120 is connected to by switch element
Data line Dm.It is understood that the quantity of first panel crack detection line 120 is without being limited thereto, and with multiple data lines D1
Corresponding relationship to Dm also can be set according to actual needs.
In detection process, scheduled electric potential signal is provided to the grid of the first transistor T1 by testing and control line TG, so that
First panel crack detection line 120 is respectively turned on respective data lines D1, Dm.Test voltage line TD provides scheduled display letter
Number, when the first transistor T1 is connected, the column pixel P that each data line is correspondingly connected with provides scheduled display according to test voltage line TD
Signal is normally shown.When occur in the 110c of bent area the defects of such as crackle make first panel crack detection line 120 be broken or
When change in resistance, the column pixel P that data line corresponding with the first panel crack detection line 120 is connected shows abnormal.According to
The display situation of above-mentioned each data line respective column pixel P, can judge whether defect occur in the 110c of bent area in time.
Fig. 2 shows A-A in Fig. 1 to schematic cross-section, Fig. 3 shows the schematic cross-section of B-B direction in Fig. 1, and wherein Fig. 2 shows
Section at the left end bent area 110c out, Fig. 3 show the section at the 110c right end of bent area.Panel body 110 includes substrate base
Plate 111, the insulating layer 112 on underlay substrate 111, the first wiring layer 113 on insulating layer 112 and be located at first
The second wiring layer 114 on wiring layer 113, wherein insulating between the first wiring layer 113 and the second wiring layer 114.
Each first panel crack detection line 120 of the present embodiment includes that more than two segment interconnected is (such as straight
Line segment, curved section etc.), e.g. the first segment 121 and the second segment 122.Panel body 110 is arranged in more than two segments
In various wirings layer, for example, Fig. 2 shows left side first panel crack detection line 120 in, the first segment 121 be located at first
In wiring layer 113, the second segment 122 is located in the second wiring layer 114, such as the first panel crackle inspection on the right side shown in Fig. 3
In survey line 120, the first segment 121 is located in the second wiring layer 114, and the second segment 122 is located in the first wiring layer 113.It is logical
It crosses and the different fragments of first panel crack detection line 120 is arranged in the various wirings layer of panel body 110, can examine simultaneously
Survey the wire rod ability resistant to bending of various wirings layer.
In some embodiments, panel body 110 has outer contour 110e, of first panel crack detection line 120
Number is two or more, wherein one bar of first panel crack detection line 120 near outer contour 110e segment with another article the
One panel crack detection line 120 is located in various wirings layer near the segment of outer contour 110e.Such as in the present embodiment,
The first panel crack detection line 120 in left side and the first panel crack detection line 120 on right side are near outer contour 110e's
Segment is the first segment 121, wherein the first segment 121 of the first panel crack detection line 120 in left side is located at the first wiring
In layer 113, the first segment 121 of the first panel crack detection line 120 on right side is located at the second wiring layer 114.
When cutting flexible display apparatus motherboard obtains flexible display apparatus, different first panel crack detection lines 120
Segment near outer contour 110e is located in various wirings layer, it can be determined that damage of the identical cutting technique to various wirings layer
Wound.
According to the utility model embodiment, flexible display apparatus can also include second panel crack detection line 130, and second
Panel crack detection line 130 is set in the non-display area 110b of panel body 110 and outside the 110c of bent area.
In the present embodiment, second panel crack detection line 130 also extends past bent area 110c.Wherein second panel is split
Line detection line 130 includes first segment 131 interconnected and second segment 132, and first segment 131 extends to bent area 110c, and second
Section 132 is distributed in non-display area 110b, and in some embodiments, the ductility of first segment 131 is better than the extension of second segment 132
Property.For example, first segment 131 can be made of aluminium, copper, silver or its alloy etc., second segment 132 can be made of molybdenum.
In the present embodiment, one end of second panel crack detection line 130 is connect with test voltage line TD, and the other end passes through
Switch element is connect at least one in multiple data lines.Specifically, in the present embodiment, second panel crack detection line
Switch element between 130 and data line is second transistor T2, includes source electrode, drain electrode and grid in second transistor T2,
One of them in the source electrode of second transistor T2, drain electrode is connected to second panel crack detection line 130, second transistor T2's
Another in source electrode, drain electrode is connected to wherein one of multiple data lines D1 into Dm.The grid of second transistor T2 connects
To testing and control line TG, so that the electric potential signal for the grid that testing and control line TG is given to second transistor T2 can control the second face
On-off between plate crack detection line 130 and respective data lines.According to the present embodiment, first panel crack detection line 120 and
Two panel crack detection lines 130 can connect the different data line to multiple data lines D1 into Dm.
In the present embodiment, second panel crack detection line 130 is, for example, two, two second panel crack detection lines
130 are arranged symmetrically on panel body 110 with the vertical centerline of panel body 110.A wherein second panel crack detection
Line 130 is connected to data line D2 by switch element, and another second panel crack detection line 130 is connected to by switch element
Data line D (m-1).It is understood that the quantity of second panel crack detection line 130 is without being limited thereto, and with a plurality of data
The corresponding relationship of line D1 to Dm also can be set according to actual needs.
In some embodiments, multiple data lines D1 being connect with first panel crack detection line 120 except above-mentioned into Dm
Data line D1, data line Dm, the data line D2 being connect with second panel crack detection line 130, data line D (m-1) outside, it is other
Data line can be connected to test voltage line TD by switch element.Switch between other data lines and test voltage line TD
Element can be third transistor T3, include source electrode, drain electrode and grid, the source of third transistor T3 in third transistor T3
One of them in pole, drain electrode is connected to test voltage line TD, another in the source electrode of third transistor T3, drain electrode is connected to
Wherein one in above-mentioned other data lines.The grid of third transistor T3 also can connect to testing and control line TG, so that surveying
The electric potential signal of the examination control line TG grid that is given to third transistor T3 can control test voltage line TD and respective data lines it
Between on-off.
In detection process, scheduled electric potential signal is provided to the grid of the first transistor T1, second by testing and control line TG
The grid of transistor T2, third transistor T3, so that first panel crack detection line 120 is split with respective data lines, second panel
Line detection line 130 is respectively turned on respective data lines, test voltage line TD and respective data lines.Test voltage line TD provides predetermined
Display signal, the column pixel P that each data line is correspondingly connected with provides scheduled display signal according to test voltage line TD and normally shows
Show.When occurring defect in the 110a of viewing area and making one of data thread breakage or change in resistance, it is connect with the data line
Column pixel P display is abnormal；Make second panel crack detection line 130 disconnected when occurring the defects of such as crackle in non-display area 110b
It splits or when change in resistance, the column pixel P that data line corresponding with the second panel crack detection line 130 is connected shows abnormal；
First panel crack detection line 120 is broken or when change in resistance when occurring the defects of such as crackle in the 110c of bent area, with
The column pixel P that the corresponding data line of first panel crack detection line 120 is connected shows abnormal.According to above-mentioned each data line pair
Should column pixel P display situation, can judge whether go out in viewing area 110a, non-display area 110b and bent area 110c in time
Existing defect.
The quantity of test voltage line TD may be one or may be two or more, and testing and control line TG can be one
It can be two or more, when flexible display apparatus includes multiple test voltage line TD and/or multiple testing and control line TG, data
Line D1 to Dm can be corresponding with multiple test voltage line TD and/or multiple testing and control line TG dispersion respectively, to improve detection
Efficiency.
In the present embodiment, first panel crack detection line 120 and/or second panel crack detection line 130 are in panel sheet
Extend in the bent area 110c of body 110 in doubling threadiness.Such as Fig. 2 and Fig. 3, second panel crack detection line 130 and first panel
Crack detection line 120 can be arranged in the wiring layer of panel body 110 with same layer.Certainly, second panel crack detection line 130 with
First panel crack detection line 120 also can be set in the various wirings layer of panel body 110.
In some embodiments, segment and outer profile of the first panel crack detection line 120 near outer contour 110e
The distance of line 110e is less than second panel crack detection line 130 segment and outer contour 110e near outer contour 110e
Distance.
In the above-described embodiments, first panel crack detection line 120, second panel crack detection line 130 are respectively connected to
Test voltage line TD, respective data lines.In some other embodiments, first panel crack detection line 120 can also be with
Two panel crack detection lines 130 are connected or the two is also possible to same detection line.
According to the utility model embodiment as described above, these embodiments details all there is no detailed descriptionthe,
Also not limiting the utility model is only the specific embodiment.Obviously, as described above, many modification and change can be made
Change.These embodiments are chosen and specifically described to this specification, is in order to preferably explain the principles of the present invention and actually to answer
With so that skilled artisan be enable to utilize the utility model and repairing on the basis of the utility model well
Change use.The utility model is limited only by the claims and their full scope and equivalents.
Claims (13)
1. a kind of flexible display apparatus characterized by comprising
Panel body, including viewing area and positioned at the non-display area of the non-display area, the non-display area includes bending
Area；
Multiple pixels are set to the viewing area of the panel body；
Multiple data lines are connect with the multiple pixel；And
First panel crack detection line, is set to the bent area of the panel body.
2. flexible display apparatus according to claim 1, which is characterized in that the flexible display apparatus is in the bent area
Bent-axis extending direction on do not have display unit.
3. flexible display apparatus according to claim 1, which is characterized in that the non-display area further includes chip installation
Area, the chip installation area is adjacent with the bent area and is located at the bent area far from the viewing area side.
4. flexible display apparatus according to claim 1, which is characterized in that the flexible display apparatus further includes test electricity
Crimping, one end of the first panel crack detection line are connect with the test voltage line, and the other end passes through switch element and institute
State at least one connection in multiple data lines.
5. flexible display apparatus according to any one of claim 1 to 4, which is characterized in that the first panel crackle
Detection line includes more than two segments interconnected, and the various wirings of the panel body are arranged in described two above segments
In layer.
6. flexible display apparatus according to claim 5, which is characterized in that the panel body has outer contour, institute
The number for stating first panel crack detection line is two or more, wherein a first panel crack detection line is near the foreign steamer
The segment of profile and another first panel crack detection line are located in various wirings layer near the segment of the outer contour.
7. flexible display apparatus according to claim 4, which is characterized in that the flexible display apparatus further include:
Second panel crack detection line is set in the non-display area of the panel body and outside the bent area.
8. flexible display apparatus according to claim 7, which is characterized in that the panel body has outer contour, institute
The segment that first panel crack detection line is stated near the outer contour is less than described second at a distance from the outer contour
Panel crack detection line near the outer contour segment at a distance from the outer contour.
9. flexible display apparatus according to claim 7, which is characterized in that the first panel crack detection line and described
Second panel crack detection line is connected.
10. flexible display apparatus according to claim 7, which is characterized in that the second panel crack detection line also prolongs
Extend through the bent area.
11. flexible display apparatus according to claim 10, which is characterized in that the second panel crack detection line includes
First segment and second segment interconnected, the first segment extend to the bent area, and the second segment is distributed in described non-aobvious
Show area, wherein the ductility of the first segment is better than the ductility of the second segment.
12. flexible display apparatus according to claim 7, which is characterized in that the first panel crack detection line and/or
The second panel crack detection line extends in the bent area of the panel body in doubling threadiness；
One end of the second panel crack detection line is connect with the test voltage line, the other end by switch element with it is described
At least one connection in multiple data lines；
The second panel crack detection line and the first panel crack detection line are same in the wiring layer of the panel body
Layer setting；
The first panel crack detection line and the second panel crack detection line are connected in the multiple data lines not
Same data line.
13. flexible display apparatus according to claim 4, which is characterized in that the switch element is transistor, the crystalline substance
Body pipe includes source electrode, drain electrode and grid, and the first panel crack detection line is connected to the source electrode of the transistor, in drain electrode
One of them, the data line is connected to the source electrode of the transistor, another in drain electrode,
The flexible display apparatus further include:
Testing and control line is connected to the grid of the transistor.
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| CN201821905982.9U CN209560899U (en) | 2018-11-19 | 2018-11-19 | Flexible display apparatus |
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|---|---|---|---|
| CN201821905982.9U CN209560899U (en) | 2018-11-19 | 2018-11-19 | Flexible display apparatus |
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| CN209560899U true CN209560899U (en) | 2019-10-29 |
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| CN111048021A (en) * | 2020-01-02 | 2020-04-21 | 京东方科技集团股份有限公司 | Display device, display panel and detection method thereof |
| CN111048022A (en) * | 2020-01-06 | 2020-04-21 | 京东方科技集团股份有限公司 | Display panel, driving circuit board, display device and crack detection method thereof |
| CN111256957A (en) * | 2020-03-06 | 2020-06-09 | 武汉华星光电半导体显示技术有限公司 | Display panel and detection method for cracks of display panel |
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| CN111048021A (en) * | 2020-01-02 | 2020-04-21 | 京东方科技集团股份有限公司 | Display device, display panel and detection method thereof |
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| CN111986597A (en) * | 2020-08-31 | 2020-11-24 | 云谷（固安）科技有限公司 | Display panel, detection method of display panel and display device |
| CN112687212A (en) * | 2020-12-24 | 2021-04-20 | 武汉天马微电子有限公司 | Display panel, detection method thereof and display device |
| CN112687212B (en) * | 2020-12-24 | 2022-05-17 | 武汉天马微电子有限公司 | Display panel, detection method thereof and display device |
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