CN209216557U - Display panel - Google Patents
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- CN209216557U CN209216557U CN201920158540.0U CN201920158540U CN209216557U CN 209216557 U CN209216557 U CN 209216557U CN 201920158540 U CN201920158540 U CN 201920158540U CN 209216557 U CN209216557 U CN 209216557U
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Abstract
The utility model provides a kind of display panel, comprising: substrate, including the display area with multiple pixels and around the non-display area of the display area；At least one detection pin, for receiving the externally input detection signal of the display panel, the detection signal is fixed electric potential signal；And at least one crack detection line positioned at the non-display area, for detecting the crackle of display panel, wherein the crack detection line includes: sequentially connected the initial segment, crack detection section and termination section；Wherein, the initial segment is connect with the detection pin, and the termination section is connect at least one pixel in the multiple pixel.The utility model solves the problems, such as that can only detect crackle in module set section process cannot detect crackle in screen body test phase by forming crack detection line and detection pin in screen body section process.
Description
Technical field
The utility model relates to field of display technology, and in particular to a kind of display panel.
Background technique
Preparing display panel includes screen body section process and module set section process.In screen body section process, it is brilliant to execute preparation driving
Body tube layer, preparation display luminescent layer (such as OLED (organic light emitting diode display) device) and cutting and etc.；In mould
In group section process, executes installation cover board and bonding (bonding).It is shown to test after screen body section process
The performance of panel, screen body section process can carry out screen body test (cell test) to display panel later.In order to according to regulation size
Display panel is prepared, it, can be in non-display area after having prepared driving transistor layer and display luminescent layer in screen body section process
It forms cutting line and display panel is cut along cutting line.The non-display area of display panel is likely to occur due to cutting
It is abnormal to eventually lead to screen body function to cause signal thread breakage or micro- disconnected for circuit film layer crackle.Current PCD (Panel
Crack Detect, panel crack detection) in technology, pin is detected by PCD and receives externally input electric current, according to by PCD
The determination of impedance infinity caused by the open circuit of detection line has crackle.In the manufacturing process of current display panel, electric current is received
The detection pin of the signal of form is formed after bonding in module set section process, PCD detection can only module set section process into
Row.Crackle caused by cutting in screen body section process can only detect in module set section process, so that will shield the preparation of body section process
Defective products with crackle is sent to subsequent processing, wastes mould group material, causes unnecessary loss.
Therefore, it is urgent to provide a kind of display panels that crackle can be detected in screen body test phase.
Utility model content
In view of this, the utility model embodiment provides a kind of display panel, split by being formed in screen body section process
Line detection line solves above-mentioned can only cannot detect in screen body test phase in module set section process detection crackle with detection pin and split
The problem of line.
An embodiment of the present invention provides a kind of display panel, comprising:
Substrate, including the display area with multiple pixels and around the non-display area of the display area；At least one
A detection pin, for receiving the externally input detection signal of the display panel, the detection signal is fixed electric potential signal；
And at least one crack detection line positioned at the non-display area, for detecting the crackle of display panel, wherein described split
Line detection line includes: sequentially connected the initial segment, crack detection section and termination section；Wherein, the initial segment is drawn with the detection
Foot connection, the termination section are connect at least one pixel in the multiple pixel.
In one embodiment, the termination section of the crack detection line is connected to the pixel driver electricity of at least one pixel
Road.
In one embodiment, the termination section of the crack detection line is connected to the pixel driver electricity of at least one pixel
The reference potential end on road.
In one embodiment, the detection signal is screen body test signal.
In one embodiment, the crack detection section surrounds at least one of one or more sides of the display area
Point.
In one embodiment, the crack detection section surrounds one week or mostly all of the entire display area.
In one embodiment, the crack detection section is winding formula toward multiple line.
In one embodiment, the crack detection line is single-layer metal or multiple layer metal or crack detection line position
In anode layer.
In one embodiment, at least one described detection pin includes that the first detection pin and second detect pin, described
At least one crack detection line includes the first crack detection line and the second crack detection line, wherein the first detection pin is used
In receiving the externally input first detection signal of display panel, the second detection pin is for receiving the display panel
Externally input second detection signal, and the initial segment of the first crack detection line is connect with the first detection pin,
The initial segment of the second crack detection line is connect with the second detection pin.
In one embodiment, the first detection signal and the second detection signal are same fixed electric potential signals.
Display panel provided by the embodiment of the utility model, by forming detection pin and crackle inspection in screen body section process
Survey line, when non-display area leads to crack detection thread breakage there are crackle, detection signal will be interrupted so as to cause viewing area
There is display exception in the display picture in domain, be achieved in the crack detection of screen body test phase, avoid having the bad of crackle
Product are sent to subsequent processing, avoid unnecessary loss caused by waste mould group material.In addition, being formed in screen body section process
Crack detection line and detection pin, crackle can only be detected in module set section process and cannot test in screen body by also solving the prior art
Stage detects the problem of crackle.
Detailed description of the invention
Fig. 1 show the structural schematic diagram of the display panel of an embodiment of the present invention offer.
Fig. 2 show the circuit diagram of the display panel interior pixels driving circuit of an embodiment of the present invention offer.
Fig. 3 show the structural schematic diagram of the display panel of an embodiment of the present invention offer.
Fig. 4 show the structural schematic diagram of the display panel of an embodiment of the present invention offer.
Fig. 5 show the structural schematic diagram of the display panel of an embodiment of the present invention offer.
Fig. 6 show the structural schematic diagram of the display panel of an embodiment of the present invention offer.
Fig. 7 show the structural schematic diagram of the display panel of an embodiment of the present invention offer.
Fig. 8 show the structural schematic diagram of the display panel of an embodiment of the present invention offer.
Fig. 9 show the structural schematic diagram of the display panel of an embodiment of the present invention offer.
Figure 10 show the structural schematic diagram of the display panel of an embodiment of the present invention offer.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clear, complete description, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are in the premise for not making creative work
Under all other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1 show the structural schematic diagram of the display panel of an embodiment of the present invention offer.As shown in Figure 1, display
Panel includes substrate 1, at least one detection pin 2 and at least one crack detection line 3.Substrate 1 includes having multiple pixels
Display area 11 and the non-display area 12 for surrounding display area 11.At least one detection pin 2 is for receiving outside display panel
The detection signal of portion's input, detection signal can be fixed electric potential signal.At least one crack detection line 3 is located at non-display area
12, for detecting the crackle of display panel, wherein crack detection line 3 includes: sequentially connected the initial segment 31, crack detection section 32
With termination section 33；Wherein, the initial segment 31 is connect with detection pin 2, at least one pixel 4 terminated in section 33 and multiple pixels connects
It connects.
It include driving transistor layer and display luminescent layer (such as OLED device) since the fixation electric potential signal is in preparation
Screen body section process after carry out common a kind of signal when screen body test, so externally input solid for receiving display panel
The detection pin 2 for determining electric potential signal can be formed in screen body section process；It is used for transmission the crack detection line 3 of fixed electric potential signal
It can be formed in screen body section process.Detection pin 2 can be separately provided, and can also directly utilize and be formed in original screen body section process
The screen body test signal for shielding body test input pin, as long as can receive the externally input fixed electricity of display panel
The interface of position signal, the utility model embodiment is for detecting the concrete form of pin 2 without limitation.Crack detection line 3
It can be independently arranged, can also directly utilize the screen body test signal for shielding body test formed in original screen body section process
Transmission line.As long as crack detection line 3 is formed in screen body section process, the utility model embodiment is for crack detection line 3
Specific setting form and formed the period without limitation.
By the crack detection line 3 for forming detection pin 2 in screen body section process and being connect with pixel 4, when non-display
When region causes crack detection line 3 to be broken there are crackle, the detection signal inputted from detection pin 2 just can not be transferred to pixel 4
There is display exception so as to cause the display picture of display area 11, thus realizes crack detection in screen body test phase, avoid
Defective products with crackle is sent to subsequent processing, avoids unnecessary loss caused by waste mould group material.
In one embodiment, the termination section 33 of crack detection line 3 is connected to the pixel-driving circuit of at least one pixel 4
41.In this way when non-display area is there are when crackle, crack detection line 3 is broken in the driving signal for leading to pixel-driving circuit 41
Disconnected, it is abnormal to there is display in the display picture of display area 11.
In one embodiment, the termination section 33 of crack detection line 3 is connected to the pixel-driving circuit 41 of at least one pixel 4
Reference potential end.In this way when crackle is not present in non-display area, the reference potential end of pixel-driving circuit 41 receives crackle
The fixation electric potential signal (reference potential signal) that detection line 3 is transmitted, the display picture of display area 11 are shown normally；When non-display
There are when crackle, the fracture of crack detection line 3 leads to fixed electric potential signal Transmission, the benchmark electricity of pixel-driving circuit 41 in region
Position end received signal becomes hanging signal from the fixation electric potential signal of script, and there are black and white to show for the display picture of display area 11
Color anomaly.To conveniently and efficiently realize crack detection in screen body section test phase.
In one embodiment, detection signal is screen body test signal.It should be appreciated that when detection signal is screen body test signal
When, detection pin 2 is the input pin for shielding the screen body test signal for shielding body test formed in body section process；Crack detection
Line 3 is the transmission line for shielding the screen body test signal for shielding body test formed in body section process.Fig. 2 show the utility model
The circuit diagram for the display panel interior pixels driving circuit that one embodiment provides.In the feelings for the crack detection line not being separately provided
Under condition, the transmission line of the screen body test signal formed in screen body section process is as crack detection line 3.Shield body test signal
The initial segment of transmission line is connected with the input pin of screen body test signal, the termination section of transmission line of screen body test signal and more
The reference potential end (end Vref shown in Fig. 2) of the pixel-driving circuit 41 of at least one pixel 4 in a pixel connects, former
The interlude of the transmission line of some screen body test signals lengthens and is configured to crack detection section along cutting line laying.
Utilize the transmission line of the original input pin for shielding the screen body test signal of body test and screen body test signal
It receives and transmits fixed electric potential signal, no longer need to that crack detection line and pin is separately provided, it not only can be in screen body test phase
It realizes the detection of crackle, and shields the input pin of body test signal and the transmission line of screen body test signal in module set section process
Still crackle can be continued checking, realizes the crack detection of full system type pictorial to avoid defective products appearance.
Fig. 3 show the structural schematic diagram of the display panel of an embodiment of the present invention offer.Crack detection section 32 is enclosed
Around at least part of one or more avris of display area 11.For example, crack detection section 32 surrounds viewing area in Fig. 1
This four sides of left side, upside, downside and the right side in domain 11, in Fig. 3, crack detection section 32 surrounds the left side of display area 11
This side.In other embodiments, crack detection section 32 can around the left side of display area 11, right side, upside and under
One or more sides in this four sides of side, can also be only only around a part of one or more sides, such as left side
A part, entire left side and a part of upside etc..The utility model embodiment is for crack detection section 32 around display
The specific part of four sides in region 11 is without limitation.
In view of being easier to crack due to passing through cutting processing near the cutting line of non-display area, crack detection
Section 32 can extend along the cutting line in non-display area 12 to be laid with.But when crack detection section 32 is arranged, cutting line position
Setting can not also clearly mark, and cutting line is in the non-display area 12 around display area 11, therefore by crack detection section 32
Boundary setting around display area 11 may be implemented crack detection section 32 close to cutting line and be extended along cutting line.When
So, in other examples, crack detection section 32 can be located at non-display according to the width of non-display area 12 after cutting
The middle position in region 12 or close cutting line position.
Fig. 4 show the structural schematic diagram of the display panel of an embodiment of the present invention offer.Fig. 5 show practical
The structural schematic diagram for the display panel that a novel embodiment provides.As shown in Figure 1, Figure 4 and Figure 5, crack detection section 32 is around whole
A display area 11 1 weeks or mostly all.
As shown in Figure 1, crack detection section 32 is laid with for 11 1 weeks around entire display area, display area 11 4 can detecte
The crackle due to caused by cutting at the either boundary in week, avoids the occurrence of detection dead angle.
As shown in Figure 4 and Figure 5, crack detection section 32 is laid with around entire display area 11 liang of weeks and three weeks, but is only for
The exemplary illustration of the utility model embodiment, the utility model embodiment surround entire display area 11 to crack detection section 32
Specific all numbers without limitation.More weeks, which are laid with, can provide more dense crack detection line, it is ensured that occur even if fine crack
It can be accurately detected, further ensure that the accuracy of crack detection.
In one embodiment, crack detection section 32 is winding formula toward multiple line (as shown in Figure 5).Winding formula is reciprocal
The arrangement mode of line not only makes crack detection section 32 closer to cutting line, and in a limited space crack detection line 3 be laid with
Range is also bigger, significantly improves the accuracy of crack detection.
In one embodiment, crack detection line 3 can be single-layer metal and be also possible to multiple layer metal, the use of metal material
The conductive capability of crack detection line 3 can be improved.The utility model embodiment does not do specifically the number of metal of crackle detection line 3
It limits.As long as the utility model embodiment is to crackle it should be appreciated that crack detection line 3 can transmit crack detection signal
The specific material of detection line 3 is without limitation.
In one embodiment, crack detection line 3 is located at anode layer, i.e. anode in crack detection line 3 and display luminescent layer
Layer one preparation, to achieve the effect that easy preparation flow and save raw material.
Fig. 6 show the structural schematic diagram of the display panel of an embodiment of the present invention offer.As shown in fig. 6, at least
One detection pin 2 includes the first detection pin 2 ' and the second detection pin 2 ", at least one crack detection line 3 is split including first
Line detection line 3 ' and the second crack detection line 3 ", wherein the first detection pin 2 ' is for receiving display panel externally input the
One detection signal, the second detection pin 2 are " for receiving the externally input second detection signal of display panel.First crack detection
The initial segment 31 ' of line 3 ' is connect with the first detection pin 2 ', the termination section 33 ' and pixel-driving circuit of the first crack detection line 3 '
41 ' connections, form the first measure loop.Second crack detection line 3 " the initial segment 31 " " is connect, second with the second detection pin 2
Crack detection line 3 " termination section 33 " " connect with pixel-driving circuit 41, forms the second measure loop.
The setting of two Crack detection lines and two detection pins, forms two measure loops.Two measure loops can be with
It uses simultaneously, improves detection efficiency, in addition, when a measure loop discovery failure can not work, an in addition detection
Circuit still can be used, and ensure the reliability of crack detection.In one embodiment, two Crack detection lines can be laid on
The different sides (such as left side, right side, upside, one or more sides in downside) of non-display area 12 have at least one
Part be different sides, different segmentation (such as left side or the upper section of other sides, middle section, lower end), from cutting line it is different away from
From place (such as a Crack detection line be located at from cutting line with a distance from be 12 width one third of non-display area at, another splits
Line detection line is located at a distance from cutting line at 12 width 2/3rds of non-display area) etc..The utility model embodiment pair
Two detection lines are respectively apart from the specific apart from without limitation of cutting line.
In one embodiment, first detection signal and the second detection signal can be same fixed electric potential signal.Two inspections
What is transmitted in survey time road is same fixed electric potential signal, avoids influencing brought by the difference of different fixed electric potential signals, ensure
The consistency of detection.
In one embodiment, as shown in fig. 6, the first detection pin 2 ' and the second detection pin 2 " are located at display area 11
The same side (being downside in the present embodiment, be also possible to other sides), and be in mirror image pair with the vertical central axes of display area 11
Claim setting, to guarantee the consistency of 11 two sides testing result of display area.
Fig. 7 show the structural schematic diagram of the display panel of an embodiment of the present invention offer.As shown in fig. 7, first
The crack detection section 32 ' of crack detection line 3 ' extends to the first detection pin 2 ' and the second detection " perpendicular bisector of connecting line of pin 2
Near；Second crack detection line 3 " crack detection section 32 " extends to the first detection pin 2 ' and " connect with the second detection pin 2
Near the perpendicular bisector of line.
First detection pin 2 ' and the first crack detection line 3 ' constitute the first measure loop；Second detection pin 2 is " with second
Crack detection line 3 " constitutes the second measure loop；First measure loop detects splitting for perpendicular bisector two sides with the second measure loop respectively
Line.Two measure loops detect the crackle of perpendicular bisector two sides respectively, are conducive to further discriminate between crackle region.
Fig. 8 show the structural schematic diagram of the display panel of an embodiment of the present invention offer.As shown in figure 8, first
The crack detection section 32 ' of crack detection line 3 ' and the second crack detection line 3 " crack detection section 32 " are connected directly to be formed and split
Line detects section connecting line 51；The termination section 33 ' of first crack detection line 3 ' and the second crack detection line 3 " termination section 33 " are respectively
It is connected with crack detection section connecting line 51.
By being punched on crack detection section connecting line 51, and the termination section 33 ' and second of the first crack detection line 3 '
The mode that crack detection line 3 " termination section 33 " is electrically connected with hole realizes the termination section 33 ' and second of the first crack detection line 3 '
Crack detection line 3 " termination section 33 " connection with crack detection section connecting line 51 respectively.It should be appreciated that the first crack detection line
3 ' termination section 33 ' and the second crack detection line 3 " termination section 33 " with crack detection section connecting line 51 as long as be connected respectively
, termination section 33 ' and second crack detection line 3 of the utility model embodiment to the first crack detection line 3 ' " termination section
33 " the specific connection type being connected respectively with crack detection section connecting line 51 is without limitation.
In one embodiment, the crack detection section 32 ' of the first crack detection line 3 ' and the second crack detection line 3 " crackle
Detection section 32 " is connected directly to form crack detection section connecting line 51；First crack detection line 3 ' has multiple termination sections 33 ',
Second crack detection line 3 " there are multiple termination sections 33 "；Multiple termination sections 33 ' of first crack detection line 3 ' and the second crackle are examined
Survey line 3 " multiple termination sections 33 " is connected with crack detection section connecting line 51 respectively.The utility model embodiment is split to first
The specific number of multiple clearing ends 33 ' of line detection line 3 ' and the second crack detection line 3 " multiple clearing ends 33 " is without limitation.
Fig. 9 show the structural schematic diagram of the display panel of an embodiment of the present invention offer.Have 2 with the first crack detection line 3 '
A termination section 33 ', the second crack detection line 3 " have for 2 termination sections 33 (as shown in Figure 9), the first crack detection line 3 '
Two bottom and top two cornerss for terminating the vertical central axes side that section 33' is located at display area 11 (are shown as the upper left corner in left side in figure
With the lower left corner), the second crack detection line 3 " 2 termination sections 33 " is located at the vertical central axes other side of display area 11 (in figure
It is shown as the upper right corner and the lower right corner on right side).When only detecting signal to the first detection input of pin 2 ', if be located at right in figure
The pixel of inferior horn shows exception, and the pixel for being located at the lower left corner, the upper left corner and the upper right corner in figure is shown normally, then can determine and split
Line region is the second crack detection line 3 " be located at upper right corner crack detection section 32 " and the second crack detection line 3 " be located at
Lower right corner crack detection section 32 " between corresponding crack detection section.When only to the second detection pin 2 " when input detection signal,
If the pixel for being located at the lower left corner in figure shows exception, and the pixel for being located at the lower right corner, the upper right corner and the upper left corner in figure is shown just
Often, then it can determine that crackle region is the first crack detection line 3 ' positioned at the crack detection section 32 ' in the upper left corner and first
Corresponding crack detection section between the crack detection section 32 ' positioned at the lower left corner of crack detection line 3 '.It should be appreciated that this is practical new
To only pin 2 is detected to second to the first detection pin 2 ' or only, " input detection signal is not specifically limited type embodiment.When
To the first detection pin 2 ' and the second detection pin 2 " when inputting detection signal simultaneously, if the pixel for being located at the lower right corner in figure is aobvious
Show exception, and the pixel for being located at the lower left corner, the upper left corner and the upper right corner in figure is shown normally, then can determine that crackle region is
Second crack detection line 3 " the crack initiation section 31 positioned at the lower right corner " and the second crack detection line 3 " be located at splitting for the lower right corner
Line terminates section 33 " between corresponding crack detection section.It should be appreciated that when to the first detection pin 2 ' and the second detection pin 2 "
When inputting detection signal simultaneously, as long as after adjacent along the display exception of the previous pixel of detection signal transmission direction
The display of one pixel is normal (for example, the pixel in the lower left corner shows exception in figure, and to be located at the lower right corner, the upper right corner and a left side in figure
The pixel at upper angle is shown normally), it will be able to the specific location of crackle is obtained, the utility model embodiment is to display abnormal pixel
Still it is located at the upper left corner in figure positioned at the lower right corner in figure to be not specifically limited.When multiple clearing ends of the first crack detection line 3 '
33 ' are connected with crack detection section connecting line 51 respectively with the second crack detection line 3 " multiple clearing ends 33 ", believe along detection
The display of the previous pixel of number transmission direction is abnormal and the display of adjacent the latter pixel is normal, can obtain the tool of crackle
Body position, in favor of further repairing.
Figure 10 show the structural schematic diagram of the display panel of an embodiment of the present invention offer.As shown in Figure 10,
The crack detection section 32 ' of one crack detection line 3 ' extends to the first detection pin 2 ' and the second detection pin 2 " hangs down in connecting line
Near line；Second crack detection line 3 " crack detection section 32 " extends to the first detection pin 2 ' and the second detection pin 2 " even
Near the perpendicular bisector of wiring.The crack detection section 32 ' of first crack detection line 3 ' is drawn in the first detection pin 2 ' and the second detection
Foot 2 " is arranged in winding formula toward multiple line the perpendicular bisector side (being left side in figure) of connecting line；Second crack detection line 3 " split
Line detects section 32 " and the crack detection section 32 ' of the first crack detection line 3 ' is in mirror image pair with the vertical central axes of display area 11
Claim.
The crack detection section of crack detection line can guarantee crack detection line maximum journey toward multiple line arrangement in winding formula
Degree ground avoids the occurrence of detection dead angle close to cutting line.The crack detection section 32 ' and the second crack detection of first crack detection line 3 '
Line 3 " crack detection section 32 " is in mirror symmetry with the vertical central axes of display area 11, makes the laying of crack detection line more
Standardization saves space, avoids mutually colliding with All other routes.
In the embodiments of the present invention, first detection pin 2 ' with second detection pin 2 " perpendicular bisector of connecting line and
The vertical central axes of display area 11 can be the same line.For example, when the first detection pin 2 ' and the second detection pin 2 " close
When the vertical central axes of display area 11 are symmetrical, this two lines is the same line.In other embodiments, when the first detection is drawn
" when vertical central axes asymmetry about display area 11, this two lines be can be different for foot 2 ' and the second detection pin 2
Line.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, made any modification, equivalent replacement etc. should be included in the protection of the utility model
Within the scope of.
Claims (10)
1. a kind of display panel characterized by comprising
Substrate, including the display area with multiple pixels and around the non-display area of the display area；
At least one detection pin, for receiving the externally input detection signal of the display panel, the detection signal is solid
Determine electric potential signal；And
Positioned at at least one crack detection line of the non-display area, for detecting the crackle of display panel, wherein
The crack detection line includes: sequentially connected the initial segment, crack detection section and termination section；Wherein, the initial segment with
The detection pin connection, the termination section are connect at least one pixel in the multiple pixel.
2. display panel according to claim 1, which is characterized in that the termination section of the crack detection line is connected to described
The pixel-driving circuit of at least one pixel.
3. display panel according to claim 2, which is characterized in that the termination section of the crack detection line is connected to described
The reference potential end of the pixel-driving circuit of at least one pixel.
4. display panel according to claim 1, which is characterized in that the detection signal is screen body test signal.
5. display panel described in any one of -4 according to claim 1, which is characterized in that the crack detection section is around described
At least part of one or more sides of display area.
6. display panel described in any one of -4 according to claim 1, which is characterized in that the crack detection section is around entire
One week or mostly all of the display area.
7. display panel described in any one of -4 according to claim 1, which is characterized in that the crack detection section is the song that wriggles
Folding is toward multiple line.
8. display panel described in any one of -4 according to claim 1, which is characterized in that the crack detection line is single layer of gold
Category or multiple layer metal or the crack detection line are located at anode layer.
9. display panel described in any one of -4 according to claim 1, which is characterized in that at least one described detection pin packet
The first detection pin and the second detection pin are included, at least one crack detection line includes that the first crack detection line and second is split
Line detection line, wherein
The first detection pin draws for receiving the externally input first detection signal of the display panel, second detection
Foot detects signal for receiving the display panel externally input second, and
The initial segment of the first crack detection line is connect with the first detection pin, the starting of the second crack detection line
Section is connect with the second detection pin.
10. display panel according to claim 9, which is characterized in that the first detection signal and second detection
Signal is same fixed electric potential signal.
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| CN201920158540.0U CN209216557U (en) | 2019-01-31 | 2019-01-31 | Display panel |
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| CN201920158540.0U CN209216557U (en) | 2019-01-31 | 2019-01-31 | Display panel |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110838273A (en) * | 2019-11-21 | 2020-02-25 | 武汉天马微电子有限公司 | Crack detection method for display panel |
| CN111833786A (en) * | 2020-07-29 | 2020-10-27 | 云谷（固安）科技有限公司 | Display panel, crack detection method thereof and display device |
| CN112863410A (en) * | 2021-01-11 | 2021-05-28 | 京东方科技集团股份有限公司 | Display substrate, crack detection method thereof and display device |
| CN113487970A (en) * | 2021-07-21 | 2021-10-08 | 武汉华星光电技术有限公司 | Display panel, crack detection method thereof and mobile terminal |
| CN113889013A (en) * | 2021-11-17 | 2022-01-04 | 合肥京东方光电科技有限公司 | Panel crack detection circuit and method, display module and device |
| CN115561571A (en) * | 2022-01-13 | 2023-01-03 | 深圳荣耀智能机器有限公司 | Crack detection circuit, crack detection system, integrated circuit and electronic equipment |
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2019
- 2019-01-31 CN CN201920158540.0U patent/CN209216557U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110838273A (en) * | 2019-11-21 | 2020-02-25 | 武汉天马微电子有限公司 | Crack detection method for display panel |
| CN110838273B (en) * | 2019-11-21 | 2022-06-10 | 武汉天马微电子有限公司 | Crack detection method for display panel |
| CN111833786A (en) * | 2020-07-29 | 2020-10-27 | 云谷（固安）科技有限公司 | Display panel, crack detection method thereof and display device |
| CN112863410A (en) * | 2021-01-11 | 2021-05-28 | 京东方科技集团股份有限公司 | Display substrate, crack detection method thereof and display device |
| CN113487970A (en) * | 2021-07-21 | 2021-10-08 | 武汉华星光电技术有限公司 | Display panel, crack detection method thereof and mobile terminal |
| CN113889013A (en) * | 2021-11-17 | 2022-01-04 | 合肥京东方光电科技有限公司 | Panel crack detection circuit and method, display module and device |
| CN113889013B (en) * | 2021-11-17 | 2024-05-17 | 合肥京东方光电科技有限公司 | Panel crack detection circuit, method, display module and device |
| CN115561571A (en) * | 2022-01-13 | 2023-01-03 | 深圳荣耀智能机器有限公司 | Crack detection circuit, crack detection system, integrated circuit and electronic equipment |
| CN115561571B (en) * | 2022-01-13 | 2023-12-08 | 深圳荣耀智能机器有限公司 | Crack detection circuit, system, integrated circuit and electronic equipment |
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