CN101846709A - Short circuit test board for circuit of flexible circuit board and test method thereof - Google Patents
Short circuit test board for circuit of flexible circuit board and test method thereof Download PDFInfo
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- CN101846709A CN101846709A CN200910127788A CN200910127788A CN101846709A CN 101846709 A CN101846709 A CN 101846709A CN 200910127788 A CN200910127788 A CN 200910127788A CN 200910127788 A CN200910127788 A CN 200910127788A CN 101846709 A CN101846709 A CN 101846709A
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- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Abstract
The invention provides a short circuit test board and a test method thereof. The test board of a short circuit comprises a substrate, a first connecting line, a second connecting ling, a resistance gauge, a first probe group and a second probe group, wherein the first connecting line and the second connecting line are arranged on the first surface of the substrate; the first connection end of the resistance gauge is electrically connected with the first connecting line, and the second connection end of the resistance gauge is electrically connected with the second connecting line; the first probe group and the second probe group are arranged on the second surface of the substrate and are respectively and electrically connected with the first connecting line and the second connecting line; the flexible circuit board to be detected is over against the second surface of the substrate, the first probe group corresponds to a plurality of odd signal lines of the flexible circuit board to be detected, and the second probe group corresponds to a plurality of even signal lines of the flexible circuit board to be detected. The invention can accurately and roundly detect the short-circuit defect of the short circuit test board for circuit of flexible circuit board before an LCD panel module is processed.
Description
Technical field
The present invention is about a kind of short-circuit test plate and method of testing, particularly relevant for a kind of liquid crystal panel module group procedure flexible PCB line short test board and method of testing before that be used for.
Background technology
In array (array) processing procedure of TFT liquid crystal panel, the metal residual problem often takes place in substrate edges, and this causes substrate and flexible PCB (FPC) when being connected, and occurs short circuit phenomenon between the conducting terminal of FPC easily, causes the picture display abnormality.In addition, the scratch short circuit problem of fanout area on the conducting terminal of FPC or the substrate (fan-out) lead-in wire also can cause the picture display abnormality.In general, above-mentioned short circuit problem is done just can be found after final the detection in module (module) processing procedure, and this can make because the unacceptable product that this short circuit problem causes flows into next production link or even client, causes the wasting of resources and customer complaint.
Summary of the invention
At the problems referred to above, the invention provides a kind of liquid crystal panel module group procedure flexible PCB line short test board and method of testing before that be used for, reach the purpose of detecting line short and scratch short circuit.
Flexible PCB line short test board provided by the invention comprises substrate, first connecting line, second connecting line, resistance measuring instrument, first probe groups and second probe groups.First connecting line and second connecting line are arranged at the first surface of this substrate.Resistance measuring instrument has first link and second link, and this first link electrically connects first connecting line, and this second link electrically connects second connecting line.First probe group places the second surface of this substrate, and electrically connects with first connecting line.Second probe group places this second surface of this substrate, and electrically connects with second connecting line.Wherein, flexible PCB to be measured is right against the second surface of substrate, and first probe groups is corresponding to a plurality of odd number signal wires of flexible PCB to be measured, and second probe groups is corresponding to a plurality of even signal lines of flexible PCB to be measured.
According to short-circuit test plate of the present invention, between substrate and the flexible PCB to be measured flexible member is set.Further, this flexible member is a spring, is arranged at four angles of this substrate respectively.
According to short-circuit test plate of the present invention, first probe groups has plurality of probes, and the arrangement of those probes is corresponding to the calibrating terminal on those odd number signal wires; Second probe groups has plurality of probes, and the arrangement of those probes is corresponding to the calibrating terminal on those even signal lines.
Flexible PCB line short method of testing provided by the invention comprises following steps:
Aforesaid short-circuit test plate is provided; And according to the measurement resistance of resistance measuring instrument to judge whether short circuit of flexible PCB circuit to be measured.
According to short circuit test method of the present invention, approach zero if measure resistance, then judge flexible PCB line short to be measured.
By the present invention, can accurately detect various flexible PCB circuit defects all sidedly.
Description of drawings
Fig. 1 is the test philosophy figure of flexible PCB line short test board of the present invention;
Fig. 2 is the structural representation of flexible PCB line short test board of the present invention.
Embodiment
For making purpose of the present invention, structure, feature and function thereof there are further understanding, cooperate embodiment to be described in detail as follows now.
See also Fig. 1 and Fig. 2, Fig. 1 is the test philosophy figure of flexible PCB line short test board 14 of the present invention, and Fig. 2 is the structural representation of flexible PCB line short test board 14 of the present invention.Short-circuit test plate 14 provided by the invention is primarily aimed at the flexible PCB 12 on active-matrix LCD 10, and this flexible PCB 12 is used to connect display panel 10 and drive circuit board 16.Short-circuit test plate 14 comprises substrate 140, first connecting line 141, second connecting line 142, resistance measuring instrument 143, first probe groups 145 and second probe groups 146.First connecting line 141 and second connecting line 142 are arranged at the first surface of substrate 140.Resistance measuring instrument 143 has first link 1431 and second link, 1432, the first links 1431 electrically connect first connecting line, 141, the second links, 1432 electric connections, second connecting line 142.First probe groups 145 (shown in first row's arrow among Fig. 2) is arranged at the second surface of substrate 140, and electrically connects with first connecting line 141.Second probe groups 146 (shown in second row's arrow among Fig. 2) is arranged at the second surface of substrate 140, and electrically connects with second connecting line 142.Wherein, flexible PCB 12 to be measured is right against the second surface of substrate 140, first probe groups 145 is corresponding to a plurality of odd number signal wire 121, the second probe groups 146 of flexible PCB to be measured 12 a plurality of even signal lines 122 corresponding to flexible PCB to be measured 12.
In one embodiment, between substrate 140 and the flexible PCB 12 to be measured flexible member 149 is set.Further, this flexible member is a spring, is arranged at four angles of substrate 140 respectively.
In one embodiment, first probe groups 145 has plurality of probes, is example with 3 probes among Fig. 2, but does not limit scope of the present invention with this.The arrangement of those probes is corresponding to the calibrating terminal 1210 on those odd number signal wires 121.Second probe groups 146 also has plurality of probes, and the arrangement of those probes is corresponding to the calibrating terminal 1220 on those even signal lines 122.
The present invention also provides a kind of flexible PCB line short method of testing, comprises following steps:
Aforesaid short-circuit test plate 14 is provided; And according to the measurement resistance of resistance measuring instrument 143 to judge whether short circuit of flexible PCB circuit to be measured 12.
In actual applications, if this measurement resistance approaches zero, then judge flexible PCB to be measured 12 line shorts.
By the present invention, can accurately before the liquid crystal panel module group procedure, detect various flexible PCB circuit defects all sidedly.
Claims (6)
1. flexible PCB line short test board is characterized in that comprising:
Substrate;
First connecting line and second connecting line are arranged at the first surface of this substrate;
Resistance measuring instrument has first link and second link, and this first link electrically connects this first connecting line, and this second link electrically connects this second connecting line;
First probe groups is arranged at the second surface of this substrate, and electrically connects with this first connecting line;
Second probe groups is arranged at this second surface of this substrate, and electrically connects with this second connecting line;
Wherein, flexible PCB to be measured is right against this second surface of this substrate, and this first probe groups is corresponding to a plurality of odd number signal wires of this flexible PCB to be measured, and this second probe groups is corresponding to a plurality of even signal lines of this flexible PCB to be measured.
2. short-circuit test plate as claimed in claim 1 is characterized in that: between this substrate and this flexible PCB to be measured flexible member is set.
3. short-circuit test plate as claimed in claim 2 is characterized in that: this flexible member is a spring, is arranged at four angles of this substrate respectively.
4. short-circuit test plate as claimed in claim 1 is characterized in that: this first probe groups has plurality of probes, and the arrangement of those probes is corresponding to the calibrating terminal on those odd number signal wires; This second probe groups has plurality of probes, and the arrangement of those probes is corresponding to the calibrating terminal on those even signal lines.
5. flexible PCB line short method of testing is characterized in that comprising following steps:
Provide as each described short-circuit test plate among the claim 1-4; And
According to the measurement resistance of this resistance measuring instrument to judge the whether short circuit of this flexible PCB circuit to be measured.
6. short circuit test method as claimed in claim 5 is characterized in that: if this measurement resistance approaches zero, then judge the flexible PCB line short that this is to be measured.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910127788A CN101846709A (en) | 2009-03-23 | 2009-03-23 | Short circuit test board for circuit of flexible circuit board and test method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910127788A CN101846709A (en) | 2009-03-23 | 2009-03-23 | Short circuit test board for circuit of flexible circuit board and test method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101846709A true CN101846709A (en) | 2010-09-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910127788A Pending CN101846709A (en) | 2009-03-23 | 2009-03-23 | Short circuit test board for circuit of flexible circuit board and test method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101846709A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102062790A (en) * | 2010-11-02 | 2011-05-18 | 友达光电股份有限公司 | Display panel testing system and microprobe device thereof |
| CN102879705A (en) * | 2012-10-08 | 2013-01-16 | 江西联创电子有限公司 | IC (integrated circuit) channel short/open circuit test method for flexible circuit board touch screen |
| CN103018936A (en) * | 2012-12-14 | 2013-04-03 | 京东方科技集团股份有限公司 | Probe framework of detection equipment for array substrate and detection equipment |
| CN103323734A (en) * | 2013-06-27 | 2013-09-25 | 深圳市中软信达电子有限公司 | Circuit short/open testing method of flexible circuit boards |
| CN109863415A (en) * | 2016-10-10 | 2019-06-07 | 世倍特集团有限责任公司 | Printed circuit board with curved coupling part and the method for testing or manufacturing printed circuit board and control electronics and the method for operating control electronics |
| CN112212782A (en) * | 2019-06-25 | 2021-01-12 | 合肥欣奕华智能机器有限公司 | Glass substrate detection method, device and system |
-
2009
- 2009-03-23 CN CN200910127788A patent/CN101846709A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102062790A (en) * | 2010-11-02 | 2011-05-18 | 友达光电股份有限公司 | Display panel testing system and microprobe device thereof |
| CN102062790B (en) * | 2010-11-02 | 2014-01-01 | 友达光电股份有限公司 | Display panel testing system and microprobe device thereof |
| CN102879705A (en) * | 2012-10-08 | 2013-01-16 | 江西联创电子有限公司 | IC (integrated circuit) channel short/open circuit test method for flexible circuit board touch screen |
| CN103018936A (en) * | 2012-12-14 | 2013-04-03 | 京东方科技集团股份有限公司 | Probe framework of detection equipment for array substrate and detection equipment |
| CN103018936B (en) * | 2012-12-14 | 2015-12-02 | 京东方科技集团股份有限公司 | A kind of prober frame of array substrate detection equipment and checkout equipment |
| CN103323734A (en) * | 2013-06-27 | 2013-09-25 | 深圳市中软信达电子有限公司 | Circuit short/open testing method of flexible circuit boards |
| CN109863415A (en) * | 2016-10-10 | 2019-06-07 | 世倍特集团有限责任公司 | Printed circuit board with curved coupling part and the method for testing or manufacturing printed circuit board and control electronics and the method for operating control electronics |
| US11067622B2 (en) | 2016-10-10 | 2021-07-20 | Vitesco Technologies GmbH | Printed circuit board with a bent connecting section and method for testing and producing said printed circuit board, and also electronic control unit and method for operating said electronic control unit |
| CN109863415B (en) * | 2016-10-10 | 2022-05-13 | 世倍特集团有限责任公司 | Printed circuit board with bent connecting part and method for testing or manufacturing printed circuit board, and electronic control device and method for operating electronic control device |
| CN112212782A (en) * | 2019-06-25 | 2021-01-12 | 合肥欣奕华智能机器有限公司 | Glass substrate detection method, device and system |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20100929 |