CN110164344B - Display panel and display device - Google Patents
Display panel and display device Download PDFInfo
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- CN110164344B CN110164344B CN201910491645.2A CN201910491645A CN110164344B CN 110164344 B CN110164344 B CN 110164344B CN 201910491645 A CN201910491645 A CN 201910491645A CN 110164344 B CN110164344 B CN 110164344B
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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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- 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
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
- G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
- G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
- G09G3/3208—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
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- Theoretical Computer Science (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
The invention discloses a display panel and a display device, relates to the technical field of display, and solves the problem that the crack position of the display panel cannot be detected. The main technical scheme of the invention is as follows: the method comprises the following steps: panel main part and detecting element, detecting element includes wire and a plurality of detecting element, the wire is followed the edge setting of panel main part is a plurality of detecting element passes through wire parallel connection, detecting element's one end is passed through the wire is connected with signal input part, and the other end passes through the wire is connected with signal output part, detecting element is used for the basis the fracture position of wire changes to be accessed into signal input part with between the signal output part detecting element's number. The method is mainly used for detecting the position of the crack on the display panel.
Description
Technical Field
The invention relates to the technical field of display, in particular to a display panel and a display device.
Background
In recent years, the development of mobile display technology is rapid, and new generation display technology represented by flexible display such as OLED is more and more widely applied. However, in the rear-end process of the flexible display panel after cutting, the edge of the panel is very easy to have tiny cracks, the flexible display generally uses the organic light emitting diode technology, the organic light emitting diode has high requirements on the packaging process, once the tiny cracks appear on the edge of the panel, water vapor easily permeates into the panel to cause the failure of the organic light emitting material and the reduction of the service life, if the panel with cracks enters the module section, the waste of important materials such as ICs and the like is caused, and the cost is increased. Therefore, whether the panel has cracks or not is detected and analyzed, the panel with cracks is directly eliminated, the panel with cracks can be prevented from entering the next process, a module is manufactured, the cost can be effectively reduced, and the yield of the module section is improved.
Fig. 1 shows a conventional panel crack detection method, which is based on the basic principle that a metal wire 1' is fabricated on the periphery of a panel, the metal wire is routed along the left, upper and right edges of the panel, the beginning and end of the wire are both at the lower end of the panel, and the beginning and end of the wire are respectively connected to different test pins 2', when an ET (electrical test) is performed, whether cracks exist on the periphery of the panel is judged by detecting whether the left and right test pins 2' at the lower end of the panel are short-circuited or open-circuited, if so, it indicates that cracks do not exist on the periphery of the panel, and if so, it indicates that cracks exist on the periphery of the panel.
In the prior art, although whether cracks are generated or not can be detected, the position of the generated cracks cannot be judged, so that how to detect the position of the generated cracks is a technical problem which needs to be solved urgently by the technical personnel in the field.
Disclosure of Invention
In view of the above, embodiments of the present invention provide a display panel and a display device, and mainly aim to detect a position of a crack on the display panel.
In one aspect, an embodiment of the present invention provides a display panel, including: panel main part and detecting element, detecting element includes wire and a plurality of detecting element, the wire is followed the edge setting of panel main part, it is a plurality of detecting element passes through wire parallel connection, detecting element's one end is passed through the wire is connected with signal input part, and the other end passes through the wire is connected with signal output part, detecting element is used for the basis the fracture position of wire changes to be inserted signal input part with between the signal output part detecting element's number.
The object of the present invention and the technical problems solved thereby can be further achieved by the following technical measures.
Specifically, the wire includes first wire and second wire, be connected with on the first wire signal input part, be connected with on the second wire signal output part, first wire with the second wire sets up side by side and all follows the edge of panel main part sets up, detecting element includes input and output, the input connect in first wire, the output connect in the second wire.
Specifically, the end of the first wire where the signal input terminal is provided is adjacent to the end of the second wire where the signal output terminal is provided.
Specifically, the first conductive lines and the second conductive lines are all arranged around the panel body, and the area surrounded by the second conductive lines is arranged in the area surrounded by the first conductive lines.
Specifically, one end of the first wire, at which the signal input end is provided, deviates from one end of the second wire, at which the signal output end is provided.
In particular, the detection element is a capacitor.
Specifically, the panel main body comprises a first metal layer, an insulating layer and a second metal layer which are sequentially stacked, the detection element comprises a first polar plate and a second polar plate, the first polar plate is connected with the first lead, the second polar plate is connected with the second lead, the first polar plate is connected with the first metal layer, and the second polar plate is connected with the second metal layer.
Specifically, the first conductive line is disposed on the first metal layer, and the second conductive line is disposed on the second metal layer.
Specifically, the device further comprises a first detection port and a second detection port, wherein the first detection port is connected with the signal input end in parallel, and the second detection port is connected with the signal output end in parallel.
On the other hand, an embodiment of the present invention further provides a display device, including:
the display panel provided by any one of the above embodiments.
According to the display panel and the display device provided by the embodiment of the invention, the detection unit is arranged on the panel main body, and the detection unit can control the number of detection elements of the access circuit in the detection unit according to the fracture position of the lead. Wherein, parallel connection between each detecting element, when some on the panel main part produced the crackle, the wire that corresponds here can break off, because each detecting element is parallel connection, when the wire some breaks off, some detecting element can insert between signal input part and signal output part according to old, then insert signal input part and signal output part with equipment, the electrical parameter who inserts the detecting element in the circuit detects, then obtain the testing result, the wire breaks at the position of difference, the number that inserts the detecting element in the circuit is also different, consequently, can judge the fracture position of wire through the testing result. The cutting process of the display panel can be improved by detecting the fracture position of the lead, so that the yield of the display panel is improved.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clearly understood and to implement them in accordance with the contents of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings.
Drawings
Fig. 1 is a schematic diagram of a display panel structure provided in the prior art;
fig. 2 is a schematic structural diagram of a display panel according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a display panel detection unit according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a display panel according to an embodiment of the present invention;
fig. 5 is another schematic structural diagram of a display panel detection unit according to an embodiment of the present invention.
The reference numbers indicate:
1-panel body, 211-first conductor, 212-second conductor, 22-detection element, 221-first capacitor, 222-eighth capacitor, 23-signal input, 24-signal output, 25-first detection port, 26-second detection port.
Detailed Description
To further illustrate the technical means and effects of the present invention adopted to achieve the predetermined objects, the following detailed description of the embodiments, structures, features and effects of the display panel and the display device according to the present invention will be made with reference to the accompanying drawings and preferred embodiments.
In one aspect, as shown in fig. 2 to 5, an embodiment of the present invention provides a display panel, including: panel main part 1 and detecting element, detecting element includes wire and a plurality of detecting element 22, the wire is followed the edge setting of panel main part 1 is a plurality of detecting element 22 passes through wire parallel connection, detecting element's one end is passed through the wire is connected with signal input part 23, and the other end passes through the wire is connected with signal output part 24, detecting element is used for the basis the fracture position change of wire is inserted signal input part 23 with between the signal output part 24 the number of detecting element 22. When the display panel is cut, if cracks are generated in the cutting process, the lead in the detection unit is broken, at this time, the number of the detection elements 22 connected between the signal input end 23 and the signal output end 24 is changed, the detection elements 22 connected between the signal input end 23 and the broken part of the lead can still be connected into a circuit, then the electrical information between the signal input end 23 and the signal output end 24 is detected, and the broken position of the lead can be judged. The detection element 22 may be a capacitor, and the change of the fracture position may cause the number of capacitors in the access circuit to change, so that the position of the crack may be detected by the capacitor between the signal input end 23 and the signal output end 24, and the total capacitor of the access circuit is equal to the sum of the capacitance values of the capacitors.
According to the display panel provided by the embodiment of the invention, the detection unit is arranged on the panel main body, and the detection unit can control the number of detection elements of the access circuit in the detection unit according to the fracture position of the lead. Wherein, parallel connection between each detecting element, when the panel main part is gone up somewhere and is cracked, the wire that corresponds here can break off, because each detecting element is parallel connection, when the wire is broken somewhere, according to old having some detecting element to insert between signal input part and the signal output part, then insert signal input part and signal output part with equipment, the electrical parameter who inserts the detecting element in the circuit detects, then obtain the testing result, the wire is broken in the position of difference, the number of the detecting element who inserts in the circuit is also different, consequently, can judge the fracture position of wire through the testing result. The cutting process of the display panel can be improved by detecting the fracture position of the lead, so that the yield of the display panel is improved.
The object of the present invention and the technical problems solved thereby can be further achieved by the following technical measures.
Specifically, as shown in fig. 2 and 4, the wires include a first wire 1 and a second wire 2, the first wire 1 is connected to the signal input end 23, the second wire 2 is connected to the signal output end 24, the first wire 1 and the second wire 2 are arranged in parallel and are both arranged along an edge of the panel body 1, and the detection element 22 includes an input end and an output end, the input end is connected to the first wire 1, and the output end is connected to the second wire 2. As shown in fig. 2 and 4, the input end of the detecting element 22 is connected to the first conducting wire 1, and the output end is connected to the second conducting wire 2, so that the detecting elements 22 can be connected in parallel, wherein the first conducting wire 1 and the second conducting wire 2 are both arranged along the edge of the panel body 1, but have a certain distance from the edge. The head end and the tail end of the first conducting wire 1 are not connected, and the end of the first conducting wire 1 provided with the signal input end 23 can be considered as the head end, while the tail end not provided with the signal input end 23 can be disconnected, and can also be connected with the input end of the detecting element 22 positioned at the tail end. The end of the second conductor 2 not provided with the signal output 24 may be open-circuited or may be connected to the output of the detector element 22 at the end of the second conductor 2. At this time, the plurality of detecting elements 22 may divide the first wire 1 into a plurality of sections, when eight detecting elements 22 are provided, the detecting elements 22 may divide the first wire 1 and the second wire 2 into eight sections, which are the first section and the eighth section … … in sequence, as shown in fig. 3 and 5, the wires marked with numbers (i), (ii), (iii), (iv), (c), and (v) in fig. 3 and 5 are the first section to the eighth section of the first wire, respectively, the wire corresponding to the first section of the first wire on the second wire is the eighth section of the first section … …, the wire corresponding to the eighth section of the first wire on the second wire is the eighth section, and each detecting element 22 along the direction in which the head end of the first wire 1 points to the tail end of the first wire 1 is the first detecting element, and each detecting element 22 along the direction in which the head end of the first wire 1 points to the eighth detecting element … …. When the third segment of the wire is broken, the first detecting element, the second detecting element and the third detecting element can be connected between the signal input end 23 and the signal output end 24, and the electrical information detected by the signal input end 23 and the signal output end 24 is matched with the electrical information connected to the three detecting elements 22 in the circuit. Wherein, in order to guarantee that the crackle can be effectively detected, guarantee at least that a wire is close to the edge of panel main part 1, when the crackle takes place, at least one wire can break.
Specifically, as shown in fig. 2, the end of the first conductive line 1 where the signal input terminal 23 is provided is adjacent to the end of the second conductive line 2 where the signal output terminal 24 is provided. The signal input end 23 is adjacent to the signal output end 24, as shown in fig. 2, both the signal input end 23 and the signal output end 24 can be disposed on the left side of the panel main body 1, at this time, the circuit diagram of the detection unit is as shown in fig. 3, when the third segments of the first conducting wire 1 and the second conducting wire 2 are both broken, the signal input by the signal input end 23 can still be transmitted from the signal output end 24, that is, at this time, the electrical information of the detection element 22 connected to the circuit can still be detected by the signal input end 23 and the signal output end 24. When a certain section of either one of the first and second wires 1 and 2 is broken, the crack generation position can be normally detected.
Specifically, as shown in fig. 2, the first conductive lines 1 and the second conductive lines 2 are disposed around the panel body 1, and the area surrounded by the second conductive lines 2 is disposed in the area surrounded by the first conductive lines 1. First wire 1 and second wire 2 are around panel main part 1 a week, can form two approximate confined areas, first wire 1 and second wire 2 stagger the setting, first wire 1 and the projection of second wire 2 on panel main part 1 do not coincide promptly, and, second wire 2 compares and is closer to the center of panel main part 1 with first wire 1, when the crackle on panel main part 1 is less, only make first wire 1 fracture, when the crackle on panel main part 1 is darker, first wire 1 and second wire 2 all split, and then stagger first wire 1 and second wire 2 and set up, can also detect the degree of depth of crackle, and then can provide more accurate data for the technology improves. Of course, a plurality of detection units may be disposed on the panel body 1, that is, a plurality of wires may be disposed on the edge of the panel body 1, and a plurality of signal input terminals 23 and signal output terminals 24 may be disposed on the edge, and the plurality of wires may enclose an approximately closed area. The panel body 1 includes a display region and a non-display region, the non-display region surrounds the display region, and the first and second conductive lines 2 are preferably disposed in the non-display region of the display panel.
Specifically, as shown in fig. 4, the end of the first wire 1 provided with the signal input end 23 is away from the end of the second wire 2 provided with the signal output end 24. The signal input end 23 deviates from the signal output end 24, at this time, the signal output end 24 is disposed at a position on the second conductive wire 2 close to the end of the first conductive wire 1, at this time, as shown in fig. 4, when the fourth section of the first conductive wire 1 breaks, the number of the detection elements 22 connected between the signal input end 23 and the signal output end 24 can be detected at this time, and then the position where the crack is generated can be determined. However, when the fourth sections of the first and second conductive lines 1 and 2 are broken, the detection signal inputted from the signal input terminal 23 cannot be transmitted to the signal output terminal 24, and at this time, electrical information between the two is not detected. However, when the detection element 22 is a capacitor, the capacitance between the signal input terminal 23 and the fracture position can be obtained by detecting the self-capacitance value of the circuit, so as to determine the position where fracture occurs, that is, the position where crack occurs. A low-level voltage-stabilized current input (VSS) region exists in the peripheral region of the display panel, and when a self-capacitance value is detected, a capacitance value between the signal input terminal 23 and the VSS region may be detected, and at this time, the signal output terminal 24 may be disposed in the VSS region.
Specifically, as shown in fig. 2 to 5, the detection element 22 is a capacitor. The detecting elements 22 are preferably capacitors, each capacitor is connected in parallel, and eight capacitors are provided in the preset detecting unit, and at this time, the total capacitance value of the eight capacitors is the sum of the capacitance values of each capacitor. The capacitance value of each capacitor can be equal, so that after the total capacitance value of the detection element 22 in the access circuit is detected, the total capacitance value is divided by the capacitance value of each capacitor, the number of sections of the lead where cracks are generated can be obtained, and calculation by detection personnel is facilitated. The respective capacitors may be uniformly disposed at the edge of the panel body 1. When capacitance is detected, an ac signal is input from the signal input terminal 23, and the ac signal can be transmitted to the signal output terminal 24 through the capacitor, so that the capacitance can be detected. As shown in fig. 2 and 4, the first wire 1 is closer to the edge of the panel body 1 than the second wire 2, taking the first wire 1 as an example, as shown in fig. 2 and 5, the wire between the first capacitor 221 and the second capacitor is a first segment, the wire between the second capacitor and the third capacitor is a second segment, and so on, the wire between the seventh capacitor and the eighth capacitor 222 is a seventh segment, the wire between the signal input terminal 23 and the first capacitor 221 is an eighth segment, the total capacitance value in the circuit when neither the first wire 1 nor the second wire 2 is broken is C1+ C2+ C3+ C4+ C5+ C6+ C7+ C8, where C1 … … C8 refers to the capacitance values of the first capacitor 221 to the eighth capacitor 222, respectively, when the eighth segment is broken, the capacitance value between the signal input terminal 23 and the signal output terminal 24 is 0, and at this time, the capacitance value is not connected to the circuit, when the first section of the conductive wire is broken, the detected capacitance value is the capacitance value of the first capacitor 221, when the second section of the conductive wire is broken, two capacitors are connected into the circuit, and the total capacitance value connected into the circuit is the sum Cm of the capacitance values of the first capacitor 221 and the second capacitor, which is C1+ C2. By analogy, when the seventh section of the first lead 1 is broken, Cm is C1+ C2+ C3+ C4+ C5+ C6+ C7.
Specifically, the panel body 1 includes a first metal layer, an insulating layer, and a second metal layer that are stacked in sequence, the detection element 22 includes a first polar plate and a second polar plate, the first polar plate is connected to the first lead 1, the second polar plate is connected to the second lead 2, the first polar plate is connected to the first metal layer, and the second polar plate is connected to the second metal layer. The panel body 1 is provided with a first metal layer and a second metal layer which are isolated from each other, and the first metal layer and the second metal layer are isolated from each other through an insulating layer. In the display panel, a capacitor may be formed by using a first metal layer and a second metal layer, the capacitor includes a first plate and a second plate, wherein the first plate may serve as an input end, the second plate may serve as an output end, the first plate is connected to the first wire 1 and is attached to the first metal layer, the second plate is connected to the second wire 2, and a surface of the second plate is attached to the second metal layer, so that the capacitor may be formed by the first metal layer and the second metal layer. Meanwhile, the first wire 1 and the second wire 2 can be arranged on a metal layer, wherein the first wire 1 and the second wire 2 are arranged on the same metal layer, at this time, because the second wire 2 needs to be connected with a second diode on the second metal layer, the second wire 2 can extend the second wire 2 to the second metal layer through via holes on the first metal layer and the insulating layer, and further the second wire 2 is connected with the second diode arranged on the second metal layer, at this time, the first wire 1 only needs to be arranged on the first metal layer. The capacitor is formed by the first metal layer and the second metal layer, the existing structure of the display panel can be utilized, the capacitor does not need to be additionally arranged, and the structure of the circuit is simplified.
Specifically, the first conductive line 1 is disposed on the first metal layer, and the second conductive line 2 is disposed on the second metal layer. The first lead 1 and the second lead 2 are preferably arranged on different metal layers, so that the first lead 1 is only linked with the first polar plate, the second lead 2 is connected with the second polar plate, and both leads do not need to pass through a through hole to complete a circuit, thereby simplifying a lead extension path. With the wire setting and in the metal level, whether the metal level that can effectual detection panel main part 1 produced the crackle, avoid appearing the crackle on the metal level and leading to the circuit failure in the display panel.
Specifically, as shown in fig. 2 and 4, the apparatus further includes a first detection port 25 and a second detection port 26, where the first detection port 25 is connected in parallel with the signal input end 23, and the second detection port 26 is connected in parallel with the signal output end 24. When the panel body 1 is just cut, whether cracks are formed on the panel body 1 needs to be detected by using the signal input end 23 and the signal output end 24, when the detection result is that the cracks are not formed, the panel body 1 is used for manufacturing a display module, an IC chip needs to be attached to the panel body 1, after the IC chip is attached, the number of detection elements 22 connected into a circuit can be detected through the first detection port 25 and the second detection port 26, because the signal input end 23 and the signal output end 24 are easily damaged in the ET detection process, therefore, extra ports need to be arranged again to detect the cracks after the IC chip is attached, the cracks are prevented from being formed in the IC chip attaching process and cannot be found by production personnel, and the module is caused to have defects. At this time, the first detection port 25 may serve as a port for signal input, and the second detection port 26 may serve as a port for signal output.
On the other hand, an embodiment of the present invention further provides a display device, including: the display panel provided by any one of the above embodiments. Therefore, the display device provided in this embodiment has the advantages of any of the above embodiments, which are not repeated herein.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and shall cover the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (8)
1. A display panel, comprising:
the detection unit comprises a lead and a plurality of detection elements, the lead is arranged along the edge of the panel main body, the detection elements are connected in parallel through the lead, one end of the detection unit is connected with a signal input end through the lead, the other end of the detection unit is connected with a signal output end through the lead, and the detection unit is used for changing the number of the detection elements connected between the signal input end and the signal output end according to the fracture position of the lead; the lead comprises a first lead and a second lead, the first lead is connected with the signal input end, the second lead is connected with the signal output end, the first lead and the second lead are arranged in parallel and are arranged along the edge of the panel main body, the detection element comprises an input end and an output end, the input end is connected with the first lead, and the output end is connected with the second lead;
the detection element is a capacitor, wherein the capacitance values of the capacitors are equal.
2. The display panel according to claim 1,
the end of the first wire, where the signal input end is arranged, is adjacent to the end of the second wire, where the signal output end is arranged.
3. The display panel according to claim 2,
the first conducting wires and the second conducting wires are arranged around the panel main body in a circle, and the area defined by the second conducting wires is arranged in the area defined by the first conducting wires.
4. The display panel according to claim 1,
the end of the first wire, which is provided with the signal input end, deviates from the end of the second wire, which is provided with the signal output end.
5. The display panel according to claim 1,
the panel main part is including the first metal level, insulating layer and the second metal level that stack gradually, detecting element includes first polar plate and second polar plate, first polar plate connect in first wire, the second polar plate connect in the second wire, first polar plate with first metal level is connected, the second polar plate with the second metal level is connected.
6. The display panel according to claim 5,
the first wire is arranged on the first metal layer, and the second wire is arranged on the second metal layer.
7. The display panel according to claim 1,
the signal input end is connected with the signal output end in parallel, and the signal output end is connected with the signal output end in parallel.
8. A display device, comprising:
the display panel according to claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910491645.2A CN110164344B (en) | 2019-06-06 | 2019-06-06 | Display panel and display device |
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| CN201910491645.2A CN110164344B (en) | 2019-06-06 | 2019-06-06 | Display panel and display device |
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| CN110164344A CN110164344A (en) | 2019-08-23 |
| CN110164344B true CN110164344B (en) | 2022-09-16 |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111256957B (en) * | 2020-03-06 | 2021-09-03 | 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 |
| CN111366619A (en) * | 2020-03-18 | 2020-07-03 | 京东方科技集团股份有限公司 | Display panel, crack detection method thereof and display device |
| CN111490083A (en) * | 2020-04-20 | 2020-08-04 | 京东方科技集团股份有限公司 | Display panel, preparation method thereof, edge crack detection method and display device |
| CN111584552A (en) * | 2020-05-06 | 2020-08-25 | 华为技术有限公司 | Display panel, display screen and electronic equipment |
| CN111862811A (en) * | 2020-07-17 | 2020-10-30 | 武汉华星光电半导体显示技术有限公司 | Display panel and display device |
| CN112186017B (en) * | 2020-09-30 | 2022-12-02 | 京东方科技集团股份有限公司 | Display panel, manufacturing method and display device |
| CN115116389A (en) * | 2022-06-27 | 2022-09-27 | 湖北长江新型显示产业创新中心有限公司 | Display panel and display device |
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