CN205487266U - Display panel and display device - Google Patents
Display panel and display device Download PDFInfo
- Publication number
- CN205487266U CN205487266U CN201620267957.7U CN201620267957U CN205487266U CN 205487266 U CN205487266 U CN 205487266U CN 201620267957 U CN201620267957 U CN 201620267957U CN 205487266 U CN205487266 U CN 205487266U
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- joint sheet
- substrate
- test
- circuit board
- display floater
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Abstract
The utility model provides a display panel and display device, a plurality of substrate connection joint sheets, at least one base plate on includes the base plate and is located the base plate are tested joint sheet, driver chip, flexible circuit board and are located joint sheet and at least one flexible circuit board test joint sheet, every are connected to a plurality of flexible circuit boards on the flexible circuit board the area of base plate test joint sheet is less than the area of substrate connection joint sheet, every the joint sheet is connected with the substrate connection joint sheet that corresponds is big or small, the shape is the same and the joint that aligns to the flexible circuit board, every the joint sheet joint that aligns is tested to flexible circuit board test joint sheet and the base plate that corresponds. The utility model discloses a circuit break -make that detects test joint sheet department determines the condition of binding of base plate and flexible line way board, improves the accuracy and the detection efficiency that detect.
Description
Technical field
The present invention relates to a kind of display floater and display device, particularly relate to one and there is driving chip and flexible electrical
The display floater of road plate and display device.
Background technology
After display floater completes, need to its detect to determine display floater whether existing defects or
Circuit abnormality.
Display panels commonly uses COG (Chip on glass) and FOG (FPC on glass) structure, such as figure
Shown in 1a, driving chip (Chip) 1 ' is bundled on substrate 10, by metal lead wire and the binding on substrate
Joint sheet 3 ' connects, the binding joint sheet 3 ' on substrate and the binding joint sheet 4 ' in flexible circuit board 5 '
Engaging, thus driving chip realizes driving chip and the exchange of extraneous data by flexible circuit board, the most flexible
Wiring board covers binding joint sheet 3 ' region.For realizing reducing the purpose of resistance, metal lead wire 2 ' often uses
Double-level-metal, between double layer of metal insulate, simultaneously double layer of metal by via electrically connect with ITO with realization parallel connection,
Reduce the purpose of resistance.Being same overlay structure at binding joint sheet 3 ', via is positioned at outermost layer.Liquid crystal
Display floater is generally of multiple binding joint sheet 3 ', if flexible circuit board is not completely covered in reality technique
All of binding joint sheet 3 ', as shown in Figure 1 b, a part for binding joint sheet 3 ' includes that its via exposes
In the external world, under the influence of moisture, air, it is susceptible to corrosiveness, even occurs circuit burn, impact aobvious
Show.
Functional for ensureing binding, often leave test joint sheet 4 ' and be used for testing the size of binding resistance value,
Thus the binding situation of substrate and flexible circuit board is judged by test resistance value size.But, flexible circuit board
The situation that all of binding joint sheet 3 ' and test joint sheet 4 ' are not completely covered is covered completely with flexible circuit board
Cover all of binding joint sheet 3 ' to compare with the situation of test joint sheet 4 ', the binding of test joint sheet 4 ' place
Resistance difference is smaller, it is difficult to judge concrete binding situation.
Summary of the invention
This utility model provides a kind of display floater and display device based on problem above, solves in prior art
The problem that cannot judge binding situation by test binding resistance.
For realizing object above, this utility model provides a kind of display floater, including substrate and be positioned on substrate
Multiple substrates connect joint sheet, at least one tester substrate joint sheet, driving chip, flexible PCB and
The multiple flexible PCBs being positioned on described flexible PCB connect joint sheet and at least one flexible PCB is surveyed
Examination joint sheet, the area of each tester substrate joint sheet connects the area of joint sheet, each flexible electrical less than substrate
Road plate connects that joint sheet and corresponding substrate connection joint sheet size, shape be identical and the joint that aligns, each flexibility
Circuit board testing joint sheet engages with corresponding tester substrate joint sheet size, shape same alignment.
This utility model can be by the testing circuit within driving chip and driving chip and flexible circuit board
Galvanic circle detection binding resistance, it is also possible to by be connected to by driving chip flexible circuit board conducting wire and
Testing circuit in flexible circuit board detects binding resistance.
Correspondingly, this utility model also provides for a kind of display device, including showing as described in claim 1～9
Show panel.
The disclosed setting connecting joint sheet and test joint sheet of this utility model, when flexible circuit board just covers
Outside the edge of test joint sheet, then it is open circuit at test joint sheet, binds infinite, with adjacent
Connecting the binding resistance at joint sheet to compare, difference is relatively big, be more prone to judge flexible circuit board whether with substrate
Binding is good, improves accuracy and the detection efficiency of detection.
Accompanying drawing explanation
Fig. 1 a is the distribution schematic diagram that in prior art, substrate connects joint sheet and tester substrate joint sheet；
Fig. 1 b is the schematic diagram that in prior art, display base plate and flexible circuit board have binding deviation；
Fig. 2 a is the distribution schematic diagram that in this utility model embodiment, substrate connects joint sheet and tester substrate joint sheet；
Fig. 2 b is the distribution schematic diagram that in this utility model embodiment, substrate connects joint sheet and tester substrate joint sheet；
Fig. 2 c is the schematic diagram that in this utility model embodiment, display base plate and flexible circuit board have binding deviation；
Fig. 2 d is the partial enlarged drawing that in this utility model embodiment, display base plate is bound with flexible circuit board；
Fig. 3 a is the another kind of design of tester substrate joint sheet in this utility model embodiment；
Fig. 3 b is the schematic diagram that display base plate corresponding for Fig. 3 a and flexible circuit board have binding deviation；
Fig. 3 c is another design of tester substrate joint sheet in this utility model embodiment；
Fig. 4 a is the schematic diagram of the first scheme of detection binding resistance in this utility model embodiment；
Fig. 4 b is the schematic diagram of the first scheme of detection binding resistance in this utility model embodiment.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear,
It is fully described by, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole
Embodiment.Based on the embodiment in the present invention, those of ordinary skill in the art are not before making creative work
Put the every other embodiment obtained, broadly fall into the scope of protection of the invention.
Elaborate a lot of detail in the following description so that fully understanding the present invention, but the present invention is also
Other can be used to be different from alternate manner described here implement, those skilled in the art can without prejudice to
Doing similar popularization in the case of intension of the present invention, therefore the present invention is not limited by following public specific embodiment.
As shown in Fig. 2 a, Fig. 2 b, Fig. 2 c, the present invention provides a kind of display floater, including substrate 10, drives
Dynamic chip 1, metal lead wire 2, multiple substrate connect joint sheet 3, tester substrate joint sheet 4, flexible circuit board
5, flexible circuit board 5 includes that multiple flexible circuit board connects joint sheet 6, flexible circuitry board test joint sheet 7.
Driving chip 1 is connected joint sheet 3 by metal lead wire 2 with substrate, tester substrate joint sheet 4 is electrically connected.
Each joint sheet is rectangle and width is identical.Each substrate connects joint sheet 3 and has multiple rows of via 8, each
Tester substrate joint sheet 4 has at least one and is drained through hole, and the area of tester substrate joint sheet 4 connects less than substrate
Closing the area of pad 3, on tester substrate joint sheet 4, only one is drained through hole, substrate connection joint sheet 3 has many
It is drained through hole.
As shown in Figure 2 b, in flexible circuit board, flexible circuit board connects joint sheet 6 and is connected joint sheet 3 with substrate
Size, shape are identical and alignment engages, and flexible circuitry board test joint sheet 7 aligns with tester substrate joint sheet 4
Engage.
As shown in Fig. 2 c, 2d, when para-position binding occurs that deviation, flexible circuit board 5 are not completely covered all of
Substrate connects joint sheet and tester substrate joint sheet, and substrate connects first on joint sheet and tester substrate joint sheet
Being drained through hole exposed outside, now tester substrate joint sheet 4 does not produces with flexible circuit board and electrically connects, between the two
In this joint sheet generation open circuit.When by this tester substrate joint sheet 4 and flexible circuitry board test joint sheet 7
During detection resistance, test result is infinite, can judge that substrate has with flexible circuit board binding exactly
Deviation.
It should be noted that flexible circuitry board test joint sheet 7 size shape is not done by this utility model embodiment
Limit, if its without departing from flexible circuit board border, tester substrate can be covered in the case of accurately binding and engage
Pad 4, i.e. in this utility model protection domain.
It addition, above-described substrate 10 is not limited to array of display substrate, in other embodiments, base
Plate 10 can also be color membrane substrates, touch base plate or fingerprint recognition substrate, and this is not limited by this utility model
Fixed.
As shown in Fig. 3 a, 3b, tester substrate joint sheet 4 is provided with two and is drained through hole, when substrate and flexible circuitry
The para-position binding of plate reaches two distances being drained through hole, engages with flexible circuitry board test at tester substrate joint sheet 4
Pad generation open circuit at 7, by detection it appeared that work as the para-position deviation of substrate and flexible circuit board.In this practicality
In new embodiment, the quantity that tester substrate joint sheet 4 arranges via is not limited to a row, if tester substrate
The via row arranged on joint sheet 4 connects the via row arranged on joint sheet 4 less than substrate, i.e. in this reality
With in novel protected scope.In actual applications, substrate has one to allow model with the para-position deviation of flexible circuit board
Enclose, can be using the via row that do not covered by flexible circuit board as an index, when permissible range is drained through at n
Within hole, then the via of n row is set on tester substrate joint sheet 4, when para-position binding deviation is more than n row's
The distance of via, then be short-circuited, by detection tester substrate joint sheet 4 and flexible circuitry board test joint sheet
The resistance of 7 connection lines may determine that substrate is bound whether in permissible range with flexible circuit board para-position.
The shape of tester substrate joint sheet 4 be not limited to substrate connect joint sheet identical, its width be also not necessarily limited to
It is identical that substrate connects joint sheet 3, as it is shown on figure 3, tester substrate joint sheet 4 length and width are respectively less than substrate
Connect joint sheet 3, and via is set to column direction arrangement.So it is designed with and helps reduce substrate connection joint sheet
Overall width with tester substrate joint sheet.
In the optional embodiment of one, the both sides being positioned at multiple substrate connection joint sheet all can be provided with substrate
Test joint sheet, the situation preventing side patch inclined two from cannot detect occurs.
As shown in Fig. 4 a, 4b, the display floater that this utility model provides also includes the test of detection binding resistance
Module and conducting wire.The schematic diagram of the first scheme of detection binding resistance, display as shown in Figure 4 a
Panel includes that a plurality of chip lead 2, described a plurality of driving chip 2 lead-in wire are used for connecting described driving chip
1 is connected joint sheet 3 and tester substrate joint sheet 4 with described substrate；
Flexible circuit board 5 includes the first conducting wire 11, and described first conducting wire 11 first end is flexible wires
Road board test joint sheet 7, described first conducting wire the second end is that a flexible circuit board connects joint sheet 6, base
Plate connection joint sheet 3 is connected joint sheet 6 and engages with flexible circuit board, tester substrate joint sheet 4 and flexible circuitry
Board test joint sheet 7 engages；
Driving chip includes testing module 12, and test module 12 includes testing circuit 121, test signal sends
End 122 and test signal receiving end 123, test signal issuing side 121 is surveyed by chip lead and substrate
Examination joint sheet 4 is connected to first conducting wire the first end, test signal receiving end 123 by chip lead and
Substrate connects joint sheet 3 and is connected to first conducting wire the second end.
During test binding resistance, the test module 12 of driving chip sends survey by test signal issuing side 122
Trial signal, leads through chip lead, tester substrate joint sheet 4, flexible circuitry board test joint sheet 7, first
Electric line, flexible circuit board connect joint sheet 6, substrate connects joint sheet 3 to test signal receiving end 123 shape
Become measure loop, the test circuit 121 in driving chip complete the detection to binding resistance, thus judge base
The para-position binding situation of plate and flexible circuit board.
Bind the schematic diagram of the first scheme of resistance as shown in Figure 4 b for detection, display floater includes many
Bar chip lead 2, chip lead is used for connecting driving chip 1 and is connected joint sheet 3 with substrate and tester substrate connects
Close pad 4；
Described flexible circuit board 5 include test module 13, described test module 13 include test circuit 131,
Second conducting wire 14, the first end of described second conducting wire 14 is described flexible circuitry board test joint sheet
7, the second end of described second conducting wire is test signal receiving end 133；
Substrate connection joint sheet 3 is connected joint sheet 6 and engages with flexible circuit board, and tester substrate joint sheet 4 is with soft
Property wiring board test joint sheet 7 engage；
Described driving chip includes testing signal issuing side 132, and described test signal issuing side passes through chip lead
And tester substrate joint sheet is connected to described second conducting wire the first end.
During test binding resistance, driving chip sends test signal, Jing Guoxin by test signal issuing side 132
Sheet lead-in wire, tester substrate joint sheet 4, flexible circuitry board test joint sheet the 7, second conducting wire, to test
Signal receiving end 123 forms detection path, the test circuit 121 in flexible circuit board complete binding resistance
Detection, thus judge the para-position binding situation of substrate and flexible circuit board.
Corresponding to the above display floater, this utility model also provides for a kind of display device, including the above
Display floater.
In this specification, various piece uses the mode gone forward one by one to describe, and what each some importance illustrated is and other
The difference of part, between various piece, identical similar portion sees mutually.
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or uses this
Bright.Multiple amendment to these embodiments will be apparent from for those skilled in the art, this
General Principle defined in literary composition can be implemented at other without departing from the spirit or scope of the present invention
Example realizes.Therefore, the present invention is not intended to be limited to embodiment illustrated herein, and is to fit to herein
Disclosed principle and the consistent the widest scope of features of novelty.
Claims (10)
1. a display floater, connects joint sheet, at least including substrate and multiple substrates of being positioned on substrate
One tester substrate joint sheet, driving chip, flexible PCB and be positioned on described flexible PCB multiple
Flexible PCB connects joint sheet and at least one flexible circuit board test joint sheet, and each described tester substrate connects
Close pad area less than described substrate connect joint sheet area, each described flexible PCB connect joint sheet with
Corresponding substrate connects joint sheet size, shape is identical and alignment engages, and each described flexible circuit board test connects
Close and pad the joint that aligns with corresponding tester substrate joint sheet.
2. display floater as claimed in claim 1, it is characterised in that described substrate is array of display substrate.
3. display floater as claimed in claim 1, it is characterised in that described substrate is touch base plate.
4. display floater as claimed in claim 1, it is characterised in that described substrate connects joint sheet, base
Board test joint sheet is rectangle.
5. display floater as claimed in claim 4, it is characterised in that described substrate connects joint sheet, base
Board test joint sheet width is identical.
6. display floater as claimed in claim 4, it is characterised in that the width of described tester substrate joint sheet
Degree connects the width of joint sheet less than substrate.
7. display floater as claimed in claim 4, it is characterised in that described in be positioned at multiple substrate and connect
The both sides closing pad are provided with tester substrate joint sheet.
8. display floater as claimed in claim 1, it is characterised in that described display floater includes a plurality of core
Sheet goes between, and described a plurality of chip lead is used for connecting described driving chip and is connected joint sheet and substrate with described substrate
Test joint sheet；
Described flexible circuit board includes the first conducting wire, and described first conducting wire the first end is described flexible wires
Road board test joint sheet, described first conducting wire the second end is that a flexible circuit board connects joint sheet；
Described driving chip includes testing module, and described test module includes testing circuit, test signal issuing side
And test signal receiving end, described test signal issuing side is connected by chip lead and tester substrate joint sheet
Being connected to described first conducting wire the first end, described test signal receiving end is connected by chip lead and substrate
Joint sheet is connected to described first conducting wire the second end.
9. display floater as claimed in claim 1, it is characterised in that described display floater includes a plurality of core
Sheet goes between, and described a plurality of chip lead is used for connecting described driving chip and is connected joint sheet and substrate with described substrate
Test joint sheet；
Described flexible circuit board includes testing module, and described test module includes testing circuit, the second conducting wire,
First end of described second conducting wire is described flexible circuitry board test joint sheet, described second conducting wire
Second end is test signal receiving end；
Described driving chip includes testing signal issuing side, described test signal issuing side by chip lead and
Tester substrate joint sheet is connected to described second conducting wire the first end.
10. a display device, it is characterised in that include the display floater as described in claim 1～9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620267957.7U CN205487266U (en) | 2016-03-31 | 2016-03-31 | Display panel and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620267957.7U CN205487266U (en) | 2016-03-31 | 2016-03-31 | Display panel and display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205487266U true CN205487266U (en) | 2016-08-17 |
Family
ID=56645691
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620267957.7U Active CN205487266U (en) | 2016-03-31 | 2016-03-31 | Display panel and display device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106443192A (en) * | 2016-10-31 | 2017-02-22 | 昆山国显光电有限公司 | Detection device and detection method for binding impedance of display screen |
| CN106658947A (en) * | 2016-12-30 | 2017-05-10 | 上海天马有机发光显示技术有限公司 | Flexible circuit board and display panel |
| CN107656191A (en) * | 2017-09-25 | 2018-02-02 | 京东方科技集团股份有限公司 | This pressure condition detection components, system and method |
| CN111123170A (en) * | 2019-12-20 | 2020-05-08 | 上海视欧光电科技有限公司 | Display module assembly, binding test device of display module assembly and binding device |
| US20200411805A1 (en) * | 2018-11-29 | 2020-12-31 | Kunshan Go-Visionox Opto-Electronics Co., Ltd. | Auxiliary method and device for otp adjustment of display panel |
-
2016
- 2016-03-31 CN CN201620267957.7U patent/CN205487266U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106443192A (en) * | 2016-10-31 | 2017-02-22 | 昆山国显光电有限公司 | Detection device and detection method for binding impedance of display screen |
| CN106658947A (en) * | 2016-12-30 | 2017-05-10 | 上海天马有机发光显示技术有限公司 | Flexible circuit board and display panel |
| CN106658947B (en) * | 2016-12-30 | 2019-05-17 | 上海天马有机发光显示技术有限公司 | A kind of flexible circuit board and display panel |
| CN107656191A (en) * | 2017-09-25 | 2018-02-02 | 京东方科技集团股份有限公司 | This pressure condition detection components, system and method |
| CN107656191B (en) * | 2017-09-25 | 2020-07-21 | 京东方科技集团股份有限公司 | Local pressure state detection assembly, system and method |
| US20200411805A1 (en) * | 2018-11-29 | 2020-12-31 | Kunshan Go-Visionox Opto-Electronics Co., Ltd. | Auxiliary method and device for otp adjustment of display panel |
| US11600806B2 (en) * | 2018-11-29 | 2023-03-07 | Kunshan Go-Visionox Opto-Electronics Co., Ltd. | Auxiliary method and device for OTP adjustment of display panel |
| CN111123170A (en) * | 2019-12-20 | 2020-05-08 | 上海视欧光电科技有限公司 | Display module assembly, binding test device of display module assembly and binding device |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |