CN108401360B - The detection method of flexible circuit board, detection device and display panel - Google Patents
The detection method of flexible circuit board, detection device and display panel Download PDFInfo
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- CN108401360B CN108401360B CN201810413953.9A CN201810413953A CN108401360B CN 108401360 B CN108401360 B CN 108401360B CN 201810413953 A CN201810413953 A CN 201810413953A CN 108401360 B CN108401360 B CN 108401360B
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- signal
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- circuit board
- display panel
- flexible circuit
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/02—Details
- H05K1/0266—Marks, test patterns or identification means
- H05K1/0268—Marks, test patterns or identification means for electrical inspection or testing
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/66—Testing of connections, e.g. of plugs or non-disconnectable joints
- G01R31/67—Testing the correctness of wire connections in electric apparatus or circuits
-
- 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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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Computer Hardware Design (AREA)
- Theoretical Computer Science (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
- Control Of El Displays (AREA)
Abstract
The present invention provides the detection methods of a kind of flexible circuit board, detection device and display panel, belong to field of display technology.Flexible circuit board, signal path including multiple transmission detection signals, the signal path includes the first signal path being parallel to each other and second signal channel, first signal path is adjacent with the second signal channel, detection line is provided between first signal path and second signal channel, the detection line is parallel with first signal path.Technical solution of the present invention can crimp the Pin Miss generated to FPC and be monitored, and Pin Miss occurs when FPC being avoided to crimp, and improves product yield.
Description
Technical field
The present invention relates to field of display technology, the inspection of a kind of flexible circuit board, detection device and display panel is particularly related to
Survey method.
Background technique
Due to AMOLED (Active-matrix organic light emitting diode, the organic hair of active matrix
Near-infrafed photodiodes) display product resolution ratio with higher, at present in middle and high end mobile phone products or high-end wearing product it is most all
Product is shown using AMOLED, but AMOLED shows that product resolution ratio is higher, electrical detection signal line and mould group welding signal
It is more, and AMOLED shows that the region product Pad is limited, in order to guarantee product yield, it will usually use FPC (Flexible
Printed Circuit Board, flexible circuit board) crimping mode carry out electricity lighting detection and aging technique.
Show in product electricity lighting detection that it is common test mode, the crimping side FPC that FPC, which crimps mode, in AMOLDE
Formula is FPC to be crimped on to AMOLED to show the region Pad of product, but be easy to produce Pin Miss (pin when carrying out FPC crimping
Dislocation) so that electricity lighting detection and aging technique are unstable, destruction is generated to display product, product yield is caused to decline.
Summary of the invention
The technical problem to be solved in the present invention is to provide the detection sides of a kind of flexible circuit board, detection device and display panel
Method can crimp the Pin Miss generated to FPC and be monitored, and Pin Miss occurs when FPC being avoided to crimp, and it is good to improve product
Rate.
In order to solve the above technical problems, the embodiment of the present invention offer technical solution is as follows:
On the one hand, a kind of flexible circuit board is provided, the signal path including multiple transmission detection signals, the signal path
Including the first signal path being parallel to each other and second signal channel, first signal path and second signal channel phase
Neighbour, is provided with detection line between first signal path and second signal channel, the detection line and first signal are logical
Road is parallel.
Further, the detection line is identical at a distance from first signal path and the second signal channel.
Further, first signal path is used to connect with the reference potential VSS signal wire in display panel bonding wire disk
It connects, the second signal channel with the supply voltage VDD signal line in display panel bonding wire disk for connecting.
Further, the flexible circuit board includes first end and the second end, at the first end, from institute
It states and is disposed with first signal path, a detection line and one on first end to the direction of the second end
The second signal channel；At the second end, from the second end to successively setting on the direction of the first end
It is equipped with first signal path, a detection line and a second signal channel.
The embodiment of the invention also provides a kind of detection devices of display panel, including providing the detection circuit of detection signal
Plate further includes flexible circuit board as described above.
Further, further includes:
The signal sensor connecting with the detection line, the signal sensor are used to exist in flexible circuit board crimping
When on the bonding wire disk of display panel, the electric signal on the detection line is obtained；
Processor, for judging whether there is pin dislocation according to the electric signal on the detection line.
Further, further includes:
The conductive connecting of the detection line at the first end and the detection line at the second end is connected, it is described to lead
Light emitting diode is provided on electric connection line.
The embodiment of the invention also provides a kind of detection methods of display panel, are applied to detection device as described above,
The detection method includes:
Step a, flexible circuit board as described above crimping when on the bonding wire disk of display panel, is being passed through into the detection
Circuit board detects signal to the first signal path of the flexible circuit board and the input of second signal channel；
Step b, pin dislocation is judged whether there is by the detection device, when there are pin dislocation, turns to step
Otherwise c terminates process；
Step c, the flexible circuit board and the bonding wire disk are aligned again, turns to step b.
Further, it is described by the detection device judge whether there is pin dislocation include:
The electric signal on the detection line is obtained, pin mistake is judged whether there is according to the electric signal on the detection line
Position.
Further, it is described by the detection device judge whether there is pin dislocation include:
When the light emitting diode is lighted, there is pin dislocation in judgement；When the light emitting diode is non-lit up, judgement
Do not occur pin dislocation.
The embodiment of the present invention has the advantages that
In above scheme, detection is provided between the first adjacent signal path of flexible circuit board and second signal channel
Line, detection line is parallel with the first signal path and second signal channel, can be to the first signal when detecting to display panel
Channel and second signal channel input detection signal, misplace, then the first signal path or the if there is a degree of pin
Binary signal channel will be electrically connected by the conductive pattern on display panel bonding wire disk with detection line, therefore, can be by detection
Line carries out electrical signal detection to recognize whether flexible circuit board crimping pin dislocation, so as to flexible circuit board compression moulding
The Pin Miss for practicing midwifery raw is monitored, and Pin Miss occurs when FPC being avoided to crimp, and improves product yield.
Detailed description of the invention
Fig. 1 is the schematic diagram of flexible circuit board of the embodiment of the present invention；
Fig. 2 is the flow diagram of the detection method of display panel of the embodiment of the present invention.
Appended drawing reference
1,4VDD signal path
2,5VSS signal path
3 first detection lines
6 second detection lines
Specific embodiment
To keep the embodiment of the present invention technical problems to be solved, technical solution and advantage clearer, below in conjunction with
Drawings and the specific embodiments are described in detail.
The mode of identification Pin Miss is that (Charge Coupled Device, charge coupling device image pass CCD at present
Sensor) take pictures after human eye by display identify that but this kind of identification method is only capable of identifying the Pin Miss of larger deviation range, than
If deviation range is in 80 μm or more of Pin Miss, and the value of Pin Miss is smaller under normal circumstances, is 30-80 μm, this
In the case of, existing scheme will be incapable of recognizing that Pin Miss.
The embodiment of the present invention is in view of the above-mentioned problems, provide the inspection of a kind of flexible circuit board, detection device and display panel
Survey method can crimp the Pin Miss generated to FPC and be monitored, and Pin Miss occurs when FPC being avoided to crimp, and improves product
Yield.
The embodiment of the present invention provides a kind of flexible circuit board, the signal path including multiple transmission detection signals, the letter
Number channel includes the first signal path being parallel to each other and second signal channel, first signal path and the second signal
Channel is adjacent, and detection line, the detection line and described first are provided between first signal path and second signal channel
Signal path is parallel.
In the present embodiment, detection is provided between the first adjacent signal path of flexible circuit board and second signal channel
Line, detection line is parallel with the first signal path and second signal channel, can be to the first signal when detecting to display panel
Channel and second signal channel input detection signal, misplace, then the first signal path or the if there is a degree of pin
Binary signal channel will be electrically connected by the conductive pattern on display panel bonding wire disk with detection line, therefore, can be by detection
Line carries out electrical signal detection to recognize whether flexible circuit board crimping pin dislocation, so as to flexible circuit board compression moulding
The Pin Miss for practicing midwifery raw is monitored, and Pin Miss occurs when FPC being avoided to crimp, and improves product yield.
In one specific embodiment, detection line phase at a distance from first signal path and the second signal channel
Together, in this way when the deviation range of Pin Miss reaches the half of spacing between the first signal path and second signal channel, i.e.,
It may recognize that Pin Miss.Certainly, detection line can also be other values at a distance from the first signal path, can according to need knowledge
The deviation range of other Pin Miss detects line at a distance from the first signal path to be arranged.In addition, the first signal path and
It is not limited to one detection line of setting between binary signal channel, two or more detection lines can also be set.
In one specific embodiment, first signal path is used to believe with the reference potential VSS in display panel bonding wire disk
The connection of number line, the second signal channel with the supply voltage VDD signal line in display panel bonding wire disk for connecting.It is existing soft
Property circuit board in the width design of signal path for being connect with VDD signal line and VSS signal wire most wide, generally 200-
500 μm, gap width is 100 μm between VDD signal channel and VSS signal path, and flexible circuit board is arranged in detection line
When between VDD signal channel and VSS signal path, since the width of VDD signal channel and VSS signal path is greater than VDD signal
Gap width between channel and VSS signal path, therefore, when there is Pin Miss, VDD signal channel or VSS signal path
It will be crimped on detection line, and be able to recognise whether that there are flexible circuit board compression mouldings by carrying out electrical signal detection to detection line in this way
Pin dislocation is connect, the Pin Miss so as to practice midwifery raw to flexible circuit board compression moulding is monitored, Pin when FPC being avoided to crimp
Miss occurs, and improves product yield.
In addition Pin Miss value is smaller, and generally 30-80 μm, so being generally not in aobvious even if there is Pin Miss
Show on the VDD signal wire crimp to VSS signal path of panel, or the VSS signal wire of display panel is crimped onto VDD signal channel
On situation.
In one specific embodiment, the flexible circuit board includes first end and the second end, in the first end
Place, from the first end to being disposed with first signal path, a spy on the direction of the second end
Survey line and a second signal channel；At the second end, from the second end to the direction of the first end
On be disposed with first signal path, a detection line and a second signal channel.I.e. in flexible circuit
Two detection lines can be set on plate, wherein a detection line is located at the first signal path of first end and second signal is led to
Between road, in addition a detection line is located between the first signal path and second signal channel of the second end.
As shown in Figure 1, the left end of flexible circuit board is disposed with VSS signal path 2, in a specific example
One detection line 3 and VDD signal channel 1, left end is disposed with the detection line 6 of VSS signal path 5, second and VDD signal is logical
Road 4.
The embodiment of the invention also provides a kind of detection devices of display panel, including providing the detection circuit of detection signal
Plate further includes flexible circuit board as described above.
In the present embodiment, detection is provided between the first adjacent signal path of flexible circuit board and second signal channel
Line, detection line is parallel with the first signal path and second signal channel, when detecting to display panel, can pass through detection electricity
Road plate misplaces to the first signal path and second signal channel input detection signal if there is a degree of pin, then and the
One signal path or second signal channel will be electrically connected by the conductive pattern on display panel bonding wire disk with detection line, therefore,
It can recognize whether that flexible circuit board crimps pin dislocation by carrying out electrical signal detection to detection line, so as to
The Pin Miss that flexible circuit board compression moulding is practiced midwifery raw is monitored, Pin Miss occurs when FPC being avoided to crimp, and it is good to improve product
Rate.
Further, the detection device of display panel further include:
The signal sensor connecting with the detection line, the signal sensor are used to exist in flexible circuit board crimping
When on the bonding wire disk of display panel, the electric signal on the detection line is obtained；
Processor, for judging whether there is pin dislocation according to the electric signal on the detection line.
When detecting to display panel, detection circuit board is believed to the first signal path and the input detection of second signal channel
Number, it misplaces if there is a degree of pin, then the first signal path or second signal channel will pass through display panel bonding wire
Conductive pattern on disk is electrically connected with detection line, in this way by that can judge whether there is on detection line with the presence or absence of detection signal
Pin dislocation, for example when detection signal is not detected on detecting line, judgement does not occur pin dislocation, detects on detection line
There is pin dislocation in judgement when detecting signal.
It further, include first end and the second end in flexible circuit board, at the first end, from described
First signal path, a detection line and one described the are disposed on first end to the direction of the second end
Binary signal channel；At the second end, from the second end to being disposed with one on the direction of the first end
When first signal path, a detection line and a second signal channel, the detection device of display panel further include:
The conductive connecting of the detection line at the first end and the detection line at the second end is connected, it is described to lead
Light emitting diode is provided on electric connection line.
When being detected to display panel, detection signal from detection circuit board to the first signal path input low potential, to the
Binary signal channel inputs the detection signal of high potential, misplaces if there is a degree of pin, then in first end, the first letter
Number channel will be electrically connected by the conductive pattern on display panel bonding wire disk with the detection line of first end, in the second end, the
Binary signal channel will be electrically connected by the conductive pattern on display panel bonding wire disk with the detection line of the second end；Alternatively,
One end, second signal channel will be electrically connected by the conductive pattern on display panel bonding wire disk with the detection line of first end,
In the second end, the first signal path will be electrically connected by the detection line of conductive pattern and the second end on display panel bonding wire disk
It connects.In this way the detection line of first end, conductive connecting, the second end detection line between there is conductive path, shine two
Pole pipe will be lighted, and therefore, can determine whether to occur pin dislocation by judging whether light emitting diode is lighted i.e..
The embodiment of the invention also provides a kind of detection methods of display panel, are applied to detection device as described above,
As shown in Fig. 2, the detection method includes:
Step a, flexible circuit board as described above crimping when on the bonding wire disk of display panel, is being passed through into the detection
Circuit board detects signal to the first signal path of the flexible circuit board and the input of second signal channel；
Step b, pin dislocation is judged whether there is by the detection device, when there are pin dislocation, turns to step
Otherwise c terminates process；
Step c, the flexible circuit board and the bonding wire disk are aligned again, turns to step b.
In the present embodiment, detection is provided between the first adjacent signal path of flexible circuit board and second signal channel
Line, detection line is parallel with the first signal path and second signal channel, can be to the first signal when detecting to display panel
Channel and second signal channel input detection signal, misplace, then the first signal path or the if there is a degree of pin
Binary signal channel will be electrically connected by the conductive pattern on display panel bonding wire disk with detection line, therefore, can be by detection
Line carries out electrical signal detection to recognize whether flexible circuit board crimping pin dislocation, so as to flexible circuit board compression moulding
The Pin Miss for practicing midwifery raw is monitored, and Pin Miss occurs when FPC being avoided to crimp, and improves product yield.
Further, it is described by the detection device judge whether there is pin dislocation include:
The electric signal on the detection line is obtained, pin mistake is judged whether there is according to the electric signal on the detection line
Position.
When detecting to display panel, detection circuit board is believed to the first signal path and the input detection of second signal channel
Number, it misplaces if there is a degree of pin, then the first signal path or second signal channel will pass through display panel bonding wire
Conductive pattern on disk is electrically connected with detection line, in this way by that can judge whether there is on detection line with the presence or absence of detection signal
Pin dislocation, for example when detection signal is not detected on detecting line, judgement does not occur pin dislocation, detects on detection line
There is pin dislocation in judgement when detecting signal.
It further, include first end and the second end in flexible circuit board, at the first end, from described
First signal path, a detection line and one described the are disposed on first end to the direction of the second end
Binary signal channel；At the second end, from the second end to being disposed with one on the direction of the first end
It is described to be judged whether by the detection device when first signal path, a detection line and a second signal channel
There are pin dislocation to include:
When the light emitting diode is lighted, there is pin dislocation in judgement；When the light emitting diode is non-lit up, judgement
Do not occur pin dislocation.
When being detected to display panel, detection signal from detection circuit board to the first signal path input low potential, to the
Binary signal channel inputs the detection signal of high potential, misplaces if there is a degree of pin, then in first end, the first letter
Number channel will be electrically connected by the conductive pattern on display panel bonding wire disk with the detection line of first end, in the second end, the
Binary signal channel will be electrically connected by the conductive pattern on display panel bonding wire disk with the detection line of the second end；Alternatively,
One end, second signal channel will be electrically connected by the conductive pattern on display panel bonding wire disk with the detection line of first end,
In the second end, the first signal path will be electrically connected by the detection line of conductive pattern and the second end on display panel bonding wire disk
It connects.In this way the detection line of first end, conductive connecting, the second end detection line between there is conductive path, shine two
Pole pipe will be lighted, and therefore, can determine whether to occur pin dislocation by judging whether light emitting diode is lighted i.e..
It is logical for the VSS signal for being connect with the VSS signal wire in display panel bonding wire disk with the first signal path below
Road, for second signal channel is the VDD signal channel connecting with the VDD signal line in display panel bonding wire disk, in conjunction with specific
Technical solution of the present invention is described in detail in embodiment:
As shown in Figure 1, the left end of flexible circuit board is disposed with VSS signal path 2, first in the present embodiment
Line 3 and VDD signal channel 1 are detected, left end is disposed with VSS signal path 5, second and detects line 6 and VDD signal channel
4。
When detecting to display panel, by flexible circuit board crimping on the bonding wire disk of display panel, VSS signal is logical
The VDD signal line of the connection of the VSS signal wire of road and display panel, VDD signal channel and display panel connects, and passes through detection circuit
Plate is to VSS signal path input reference voltage signal, to VDD signal channel input supply voltage signal, power supply voltage signal
Current potential is higher than the current potential of reference voltage signal.It misplaces in case of a degree of pin, then flexible circuit board left end
VSS signal path 2 is electrically connected through VSS signal wire with the first detection line 3, and the VDD signal channel 4 of flexible circuit board right-hand end passes through
VDD signal line is electrically connected with the second detection line 6；Or the VDD signal channel 1 of flexible circuit board left end is through VDD signal line
It is electrically connected with the first detection line 3, the VSS signal path 5 of flexible circuit board right-hand end is through VSS signal wire and the second detection line 6
Electrical connection by detecting the electric signal on the first detection line 3 or the second detection line 6 can determine whether that pin mistake occurs in this way
Position.When pin dislocation occurs, warning note can be carried out, flexible circuit board is re-started with display panel and is crimped.Or
A light emitting diode can also be connected between the first detection line 3 and the second detection line 6, misplaced if there is pin, first visits
One in survey line 3 and the second detection line 6 connects reference potential signal, another connects power supply voltage signal, the first detection line 3 and the
Conductive path is formed between two detection lines 6, then light emitting diode is lighted, can be by flexible circuit board when light emitting diode is lighted
It re-starts and crimps with display panel, until light emitting diode is no longer lighted.
Wherein, when carrying out pin dislocation detection, detection circuit board can only draw to flexible circuit board input for identification
The electric signal of foot dislocation, for example only to VDD signal channel loading power voltage signal, reference voltage is loaded to VSS signal path
Signal, without loading signal to other signal paths, i.e. the signal of identification pin dislocation will not light display panel, institute
With the signal that pin for identification misplaces will not be damaged to display panel
Unless otherwise defined, the technical term or scientific term that the disclosure uses should be tool in fields of the present invention
The ordinary meaning for thering is the personage of general technical ability to be understood." first ", " second " used in the disclosure and similar word are simultaneously
Any sequence, quantity or importance are not indicated, and are used only to distinguish different component parts." comprising " or "comprising" etc.
Similar word means that the element or object before the word occur covers the element or object for appearing in the word presented hereinafter
And its it is equivalent, and it is not excluded for other elements or object.The similar word such as " connection " or " connected " is not limited to physics
Or mechanical connection, but may include electrical connection, it is either direct or indirectly."upper", "lower",
"left", "right" etc. is only used for indicating relative positional relationship, and after the absolute position for being described object changes, then the relative position is closed
System may also correspondingly change.
It is appreciated that ought such as layer, film, region or substrate etc element be referred to as be located at another element "above" or "below"
When, which " direct " can be located at "above" or "below" another element, or may exist intermediary element.
The above is a preferred embodiment of the present invention, it is noted that for those skilled in the art
For, without departing from the principles of the present invention, it can also make several improvements and retouch, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (9)
1. a kind of flexible circuit board, the signal path including multiple transmission detection signals, the signal path includes being parallel to each other
The first signal path and second signal channel, first signal path is adjacent with the second signal channel, and feature exists
In being provided with detection line between first signal path and second signal channel, the detection line and first signal are logical
Road is parallel；
First signal path with the reference potential VSS signal wire in display panel bonding wire disk for connecting, second letter
Number channel with the supply voltage VDD signal line in display panel bonding wire disk for connecting.
2. flexible circuit board according to claim 1, which is characterized in that the detection line and first signal path and
The distance in the second signal channel is identical.
3. flexible circuit board according to claim 1, which is characterized in that the flexible circuit board include first end and
The second end, at the first end, from the first end to being disposed with an institute on the direction of the second end
State the first signal path, a detection line and a second signal channel；At the second end, from the second end
First signal path, a detection line and one described second are disposed in portion to the direction of the first end
Signal path.
4. a kind of detection device of display panel, which is characterized in that including provide detection signal detection circuit board, further include as
Flexible circuit board of any of claims 1-3.
5. the detection device of display panel according to claim 4, which is characterized in that further include:
The signal sensor connecting with the detection line, the signal sensor are used to show in flexible circuit board crimping
When on the bonding wire disk of panel, the electric signal on the detection line is obtained；
Processor, for judging whether there is pin dislocation according to the electric signal on the detection line.
6. the detection device of display panel according to claim 4, which is characterized in that including as claimed in claim 3
Flexible circuit board, further includes:
The conductive connecting of the detection line at the first end and the detection line at the second end is connected, the conduction is even
Light emitting diode is provided in wiring.
7. a kind of detection method of display panel, which is characterized in that applied to the detection as described in any one of claim 4-6
Device, the detection method include:
Step a, it is crimped on the bonding wire disk of display panel by flexible circuit board as claimed in any one of claims 1-3
When, believed by the detection circuit board to the first signal path of the flexible circuit board and the input detection of second signal channel
Number；
Step b, pin dislocation is judged whether there is by the detection device, when there are pin dislocation, turns to step c, it is no
Then terminate process；
Step c, the flexible circuit board and the bonding wire disk are aligned again, turns to step b.
8. the detection method of display panel according to claim 7, which is characterized in that be applied to as claimed in claim 5
Display panel detection device, it is described by the detection device judge whether there is pin dislocation include:
The electric signal on the detection line is obtained, pin dislocation is judged whether there is according to the electric signal on the detection line.
9. the detection method of display panel according to claim 7, which is characterized in that be applied to as claimed in claim 6
Display panel detection device, it is described by the detection device judge whether there is pin dislocation include:
When the light emitting diode is lighted, there is pin dislocation in judgement；When the light emitting diode is non-lit up, judgement does not go out
Existing pin dislocation.
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| CN201810413953.9A CN108401360B (en) | 2018-05-03 | 2018-05-03 | The detection method of flexible circuit board, detection device and display panel |
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| CN201810413953.9A CN108401360B (en) | 2018-05-03 | 2018-05-03 | The detection method of flexible circuit board, detection device and display panel |
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| CN109360535A (en) * | 2018-12-04 | 2019-02-19 | 深圳市华星光电技术有限公司 | The oblique cutting protection system of display driver circuit and oblique cutting guard method |
| CN110045223B (en) * | 2019-04-28 | 2021-09-07 | 云谷（固安）科技有限公司 | Display panel, test method thereof and display device |
| CN115376439A (en) * | 2022-09-05 | 2022-11-22 | 乐金显示光电科技(中国)有限公司 | Method, apparatus, device and medium for detecting display panel brightness compensation error |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1112796A (en) * | 1993-08-02 | 1995-11-29 | 莫托罗拉公司 | Apparatus and method for detecting alignment of contacts in a multi-substrate electronic assembly |
| CN202617503U (en) * | 2012-05-16 | 2012-12-19 | 上海埃富匹西电子有限公司 | A flexible printed circuit with visually measurable size of a golden finger |
| CN203705757U (en) * | 2014-03-06 | 2014-07-09 | 成都京东方光电科技有限公司 | Display substrate and display device |
| CN104407737A (en) * | 2014-11-19 | 2015-03-11 | 上海天马微电子有限公司 | Display module and display device thereof |
| CN105555039A (en) * | 2016-02-03 | 2016-05-04 | 江门崇达电路技术有限公司 | Method for fabricating line between two bonding pads of PCB |
| CN206311727U (en) * | 2016-12-27 | 2017-07-07 | 信利（惠州）智能显示有限公司 | Contactor control device |
| CN106959381A (en) * | 2017-03-22 | 2017-07-18 | 京东方科技集团股份有限公司 | A kind of panel tester |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6919813B2 (en) * | 2003-05-16 | 2005-07-19 | Hewlett-Packard Development Company, L.P. | Built-in circuitry and method to test connector loading |
-
2018
- 2018-05-03 CN CN201810413953.9A patent/CN108401360B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1112796A (en) * | 1993-08-02 | 1995-11-29 | 莫托罗拉公司 | Apparatus and method for detecting alignment of contacts in a multi-substrate electronic assembly |
| CN202617503U (en) * | 2012-05-16 | 2012-12-19 | 上海埃富匹西电子有限公司 | A flexible printed circuit with visually measurable size of a golden finger |
| CN203705757U (en) * | 2014-03-06 | 2014-07-09 | 成都京东方光电科技有限公司 | Display substrate and display device |
| CN104407737A (en) * | 2014-11-19 | 2015-03-11 | 上海天马微电子有限公司 | Display module and display device thereof |
| CN105555039A (en) * | 2016-02-03 | 2016-05-04 | 江门崇达电路技术有限公司 | Method for fabricating line between two bonding pads of PCB |
| CN206311727U (en) * | 2016-12-27 | 2017-07-07 | 信利（惠州）智能显示有限公司 | Contactor control device |
| CN106959381A (en) * | 2017-03-22 | 2017-07-18 | 京东方科技集团股份有限公司 | A kind of panel tester |
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