CN1752761A - Testing method of liquid crystal module manufacturing line and switching flexible printed circuit board - Google Patents
Testing method of liquid crystal module manufacturing line and switching flexible printed circuit board Download PDFInfo
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- CN1752761A CN1752761A CN 200410040754 CN200410040754A CN1752761A CN 1752761 A CN1752761 A CN 1752761A CN 200410040754 CN200410040754 CN 200410040754 CN 200410040754 A CN200410040754 A CN 200410040754A CN 1752761 A CN1752761 A CN 1752761A
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Abstract
The present invention discloses a liquid crystal module production line testing method and transfer flexible printed circuit board. Said method includes the following steps: firstly, making the flexible printed circuit board of liquid crystal module or interface of CONNECTOR be connected with connector of a transfer board: then making the pin of said transfer board be connected with bonding pad of the test board, after test, cutting the pin of said transfer board and bonding pad of test board, then feeding the tested liquid crystal module and transfer board into next testing procedure until the test is completed.
Description
Technical field
The present invention relates to making method and the apparatus that line carries out electrical testing, especially relate to a kind of Liquid Crystal Module and make wire testing method and switching flexible printed circuit board.
Background technology
In the Liquid Crystal Module manufacture process, there are a lot of stations to carry out electric performance test to Liquid Crystal Module.In of the design feature decision of the method for making the line test, but all need the use test wiring board by concrete Liquid Crystal Module.The interface that present most Liquid Crystal Module is connected with mainboard, all be to adopt flexible printed circuit board that bendable copper clad laminate makes through technologies such as etchings or integrated circuit socket, flat cable, P.e.c. plate edge connector, connector CONNECTOR (presents general designation CONNECTOR), these interfaces also are to make the interface that line carries out electrical testing.Liquid Crystal Module is being made the measurement circuit plate that line carries out the electrical testing use, and flexible printed circuit board or the CONNECTOR according to tested Liquid Crystal Module makes exactly.When tested Liquid Crystal Module is tested, generally the method for Cai Yonging is, the flexible printed circuit board or the CONNECTOR of tested Liquid Crystal Module are directly inserted and the corresponding matching interface of measurement circuit plate, after the electric performance test of a station is finished, with the flexible printed circuit board of tested Liquid Crystal Module or CONNECTOR from extracting with the corresponding matching interface of measurement circuit plate, tested Liquid Crystal Module again flowing water to next station, when next station is tested, the flexible printed circuit board or the CONNECTOR of tested Liquid Crystal Module directly to be inserted and the corresponding matching interface of measurement circuit plate equally, finish until the electric performance test of last station.The structure of flexible printed circuit board or CONNECTOR is small and exquisite, be difficult to contraposition with the measurement circuit plate, and a tested Liquid Crystal Module will repeatedly test on streamline, its flexible printed circuit board or CONNECTOR to stand repeatedly insertion with extract, be easy to be subjected to physical damnification.
Summary of the invention
The technical matters that the present invention will solve is to propose a kind of can avoiding and cause physically impaired Liquid Crystal Module to make wire testing method to the flexible printed circuit board or the CONNECTOR of tested Liquid Crystal Module.
Another technical matters that the present invention will solve is to propose a kind of for implementing the custom-designed switching flexible printed circuit board of Liquid Crystal Module manufacturing wire testing method.
Make wire testing method for a kind of Liquid Crystal Module of the present invention, above-mentioned technical matters is solved like this:
This Liquid Crystal Module is made wire testing method, comprises a plurality of steps of testing by flexible printed circuit board or CONNECTOR interface.
The characteristics of method of testing of the present invention are before each testing procedure carries out, and following Connection Step is arranged successively:
Earlier the flexible printed circuit board of tested Liquid Crystal Module or an interface and the connector of transferring flexible printed circuit board of CONNECTOR are connected;
To transfer the again pin of flexible printed circuit board and the pad in one line of a measurement circuit plate is connected, finish a testing procedure, the pad in one line of the pin of flexible printed circuit board and this measurement circuit plate of will transferring then disconnects, with tested Liquid Crystal Module and switching flexible printed circuit board together flowing water make the next test station of line to Liquid Crystal Module;
Repeat above two steps, all finish until the step that tested Liquid Crystal Module is tested by flexible printed circuit board or CONNECTOR interface in all test station;
Disconnect being connected of connector of the interface of the flexible printed circuit board of this tested Liquid Crystal Module or CONNECTOR and switching flexible printed circuit board at last.
Above-mentioned technical matters can further be solved like this:
The connector of described switching flexible printed circuit board has pad in one line, or two are listed as the pad that arranges relatively.
Described elder generation is connected the interface of the flexible printed circuit board of tested Liquid Crystal Module or CONNECTOR and the connector of switching flexible printed circuit board, is the first test station of making line at Liquid Crystal Module.
Above-mentioned technical matters can also further be solved like this:
Being connected of connector of the flexible printed circuit board of described last this tested Liquid Crystal Module of disconnection or the interface of CONNECTOR and switching flexible printed circuit board is after the test that Liquid Crystal Module is made an end test station of line is finished.
The switching flexible printed circuit board of extracting after the test station test of described end is finished, the first test station that can be reapposed over streamline is reused.
Described test comprises that inspection installed the test of the short circuit of solder joint on the circuit board of components and parts and open circuit defect, authenticated the test of the running of each single components and parts, and the test of the running of the functional module of authentication circuit.
Making line electrical testing switching flexible printed circuit board for of the present invention, above-mentioned technical matters is solved like this:
Thisly comprise plate body making the line electrical testing with the switching flexible printed circuit board, an end of plate body is and the flexible printed circuit board of tested Liquid Crystal Module or the corresponding connector of interface of CONNECTOR.
The transfer characteristics of flexible printed circuit board of the present invention are that the other end of plate body is an extended pin in one line, and each pin all is to be connected with the corresponding pin of described connector by lead.
Above-mentioned technical matters can further be solved like this:
The connector of one end of described plate body has pad in one line, or two are listed as the pad that arranges relatively.
Above-mentioned technical matters can also further be solved like this:
The adjacent leads spacing of the extended pin that the other end of described plate body is in one line is 0.8～1.2 millimeter.
Described plate body is provided with the pilot hole that makes extended pin and the convenient accurate contraposition of measurement circuit plate.Pilot hole with plate body when testing is inserted in corresponding pilot pin on the testing jig, and extended pin can be aimed at the pad of measurement circuit plate, can obviously improve testing efficiency.
The composition structure of switching flexible printed circuit board is by the design feature decision of concrete Liquid Crystal Module.For seriation, standardization, unitized Liquid Crystal Module, the switching flexible printed circuit board can be realized seriation, standardization, universalization accordingly.
With the Liquid Crystal Module structure small and exquisite and with the flexible printed circuit board or the CONNECTOR of measurement circuit plate contraposition difficulty, be connected with the connector of switching flexible printed circuit board of the present invention, amplified the test spacing, switching flexible printed circuit board and Liquid Crystal Module together flowing water to next station are finished until test, also made things convenient for the test contraposition, thereby improved the operability of making the line test at Liquid Crystal Module, particularly can avoid Liquid Crystal Module in the electrical testing process, to cause physical damnification effectively, improve yields significantly.The switching flexible printed circuit board can be realized seriation, standardization, universalization, and the application that the switching flexible printed circuit board is made in the line test at Liquid Crystal Module has versatility.
Description of drawings
Below the contrast accompanying drawing and in conjunction with embodiment the present invention is further illustrated.
Fig. 1 is that the present invention's flexible printed circuit board of transferring is made application synoptic diagram in the line test at Liquid Crystal Module.
Fig. 2 is the transfer a kind of structural representation of embodiment of flexible printed circuit board of the present invention.
Fig. 3 is the transfer structural representation of another kind of embodiment of flexible printed circuit board of the present invention.
Embodiment
Embodiment one
Fig. 1 illustrates a tested Liquid Crystal Module 1, and the flexible printed circuit board that is used to test 2 that is connected with mainboard is arranged on it, and Fig. 1 also is illustrated in and is manufactured with pad in one line 3 on the measurement circuit plate 4 in advance.
Switching flexible printed circuit board 7 of the present invention shown in Fig. 1, Fig. 2, one end of its plate body is the corresponding connector of interface with the flexible printed circuit board 2 of tested Liquid Crystal Module 1, this connector has pad in one line 5, the other end of plate body is an extended pin 6 in one line, each pin all is to be connected by the corresponding pin of lead 8 with described pad 5, and the spacing of adjacent leads is 1 millimeter.Described plate body is provided with the pilot hole 9 that makes extended pin and the convenient accurate contraposition of measurement circuit plate.
The Liquid Crystal Module of this embodiment is made wire testing method, comprises a plurality of steps of testing by flexible printed circuit board FPC interface, before each testing procedure carries out, following Connection Step is arranged successively:
Elder generation is connected the interface of the flexible printed circuit board 2 of tested Liquid Crystal Module 1 and the connector of above-mentioned switching flexible printed circuit board 7, and this connector has pad in one line 5;
To transfer the again pin of flexible printed circuit board 7 and the pad in one line 3 of measurement circuit plate 4 is connected, finish a testing procedure, the pad in one line 3 of the pin of flexible printed circuit board 7 and this measurement circuit plate 4 of will transferring then disconnects, with tested Liquid Crystal Module 1 and switching flexible printed circuit board 7 together flowing water make the next test station of line to Liquid Crystal Module;
Repeat above two steps, all finish until the step that tested Liquid Crystal Module 1 is tested by flexible printed circuit board 2 interfaces in all test station;
Disconnect the interface of flexible printed circuit board 2 of this tested Liquid Crystal Module 1 and being connected of connector of switching flexible printed circuit board 7 at last.The switching flexible printed circuit board 7 that disconnects, the first test station that can be reapposed over streamline is reused.
Because the compressing between the pad in one line 3 of extended pin 6 and the measurement circuit plate 4 of switching flexible printed circuit board 7 contacts reliably, contraposition is easy, has increased the operability of testing to a certain extent.
Embodiment two
Switching flexible printed circuit board 7 of the present invention shown in Fig. 1, Fig. 3, one end of its plate body is the corresponding connector of interface with the flexible printed circuit board 2 of tested Liquid Crystal Module 1, this connector has the pad 5 that two row arrange relatively, the other end of plate body is an extended pin 6 in one line, each pin all is to be connected by the corresponding pin of lead 8 with described pad 5, and the spacing of adjacent leads is 1 millimeter.Described plate body is provided with the pilot hole 9 that makes extended pin and the convenient accurate contraposition of measurement circuit plate.
It is identical with embodiment one that the Liquid Crystal Module of this embodiment is made wire testing method.
No matter what kind of structure Liquid Crystal Module 1 is, can adopt above-mentioned similar method to test, and the application that switching flexible printed circuit board 7 is made in the line test at Liquid Crystal Module has versatility.
Above content be in conjunction with concrete preferred implementation to further describing that the present invention did, can not assert that concrete enforcement of the present invention is confined to these explanations.For the general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, can also make some simple deduction or replace, all should be considered as belonging to the scope of patent protection that the present invention is determined by claims of being submitted to.
Claims (8)
1. a Liquid Crystal Module is made wire testing method, comprises a plurality of steps of testing by flexible printed circuit board or CONNECTOR interface, it is characterized in that before each testing procedure carries out following Connection Step being arranged successively:
Earlier the flexible printed circuit board of tested Liquid Crystal Module or an interface and the connector of transferring flexible printed circuit board of CONNECTOR are connected;
To transfer the again pin of flexible printed circuit board and the pad in one line of a measurement circuit plate is connected, finish a testing procedure, the pad in one line of the pin of flexible printed circuit board and this measurement circuit plate of will transferring then disconnects, with tested Liquid Crystal Module and switching flexible printed circuit board together flowing water make the next test station of line to Liquid Crystal Module;
Repeat above two steps, all finish until the step that tested Liquid Crystal Module is tested by flexible printed circuit board or CONNECTOR interface in all test station;
Disconnect being connected of connector of the interface of the flexible printed circuit board of this tested Liquid Crystal Module or CONNECTOR and switching flexible printed circuit board at last.
2. make wire testing method according to the described Liquid Crystal Module of claim 1, it is characterized in that the connector of described switching flexible printed circuit board has pad in one line, or two are listed as the pad that arranges relatively.
3. make wire testing method according to claim 1 or 2 described Liquid Crystal Modules, it is characterized in that described elder generation is connected the interface of the flexible printed circuit board of tested Liquid Crystal Module or CONNECTOR and the connector of switching flexible printed circuit board, is the first test station of making line at Liquid Crystal Module.
4. make wire testing method according to claim 1 or 2 described Liquid Crystal Modules, being connected of connector that it is characterized in that the interface of the flexible printed circuit board of described last this tested Liquid Crystal Module of disconnection or CONNECTOR and switching flexible printed circuit board is after the test that Liquid Crystal Module is made an end test station of line is finished.
5. making line electrical testing switching flexible printed circuit board for one kind, comprise plate body, one end of plate body is and the flexible printed circuit board of tested Liquid Crystal Module or the corresponding connector of interface of CONNECTOR, the other end that it is characterized in that plate body is an extended pin in one line, and each pin all is to be connected with the corresponding pin of described connector by lead.
6. it is characterized in that making the line electrical testing connector of an end of described plate body has pad in one line according to claim 5 is described, or two are listed as the pad that arranges relatively with the switching flexible printed circuit board.
7. describedly making the line electrical testing with the switching flexible printed circuit board according to claim 5 or 6, it is characterized in that the adjacent leads spacing of the extended pin that the other end of described plate body is in one line is 0.8～1.2 millimeter.
8. according to claim 5 or 6 described, it is characterized in that described plate body is provided with the pilot hole that makes extended pin and measurement circuit plate make things convenient for accurate contraposition making the line electrical testing with the switching flexible printed circuit board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410040754 CN1752761A (en) | 2004-09-21 | 2004-09-21 | Testing method of liquid crystal module manufacturing line and switching flexible printed circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200410040754 CN1752761A (en) | 2004-09-21 | 2004-09-21 | Testing method of liquid crystal module manufacturing line and switching flexible printed circuit board |
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| Publication Number | Publication Date |
|---|---|
| CN1752761A true CN1752761A (en) | 2006-03-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 200410040754 Pending CN1752761A (en) | 2004-09-21 | 2004-09-21 | Testing method of liquid crystal module manufacturing line and switching flexible printed circuit board |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101877933B (en) * | 2009-12-02 | 2012-06-27 | 友达光电股份有限公司 | Flexible circuit board |
| CN102928675A (en) * | 2012-11-19 | 2013-02-13 | 天津市中环高科技有限公司 | Method for detecting shielding layer of capacitive touch screen |
| CN103543398A (en) * | 2013-10-29 | 2014-01-29 | 四川虹欧显示器件有限公司 | PCB tool used for testing addressing chip and addressing chip testing system |
| CN103884976A (en) * | 2014-02-21 | 2014-06-25 | 上海华力微电子有限公司 | Connection method for final test of semiconductor device |
| CN105334356A (en) * | 2015-11-20 | 2016-02-17 | 中国特种设备检测研究院 | Measuring connection structure of flexible array device |
| CN106771413A (en) * | 2016-11-10 | 2017-05-31 | 苏州维业达触控科技有限公司 | A kind of touch-screen conducting film and method of testing |
| CN109507568A (en) * | 2018-12-12 | 2019-03-22 | 上海航天设备制造总厂有限公司 | A kind of printed board real-time working detection device |
| CN109932622A (en) * | 2017-12-16 | 2019-06-25 | 神讯电脑(昆山)有限公司 | The high pressure resistant test device of Type-c connector |
| CN111505479A (en) * | 2020-03-12 | 2020-08-07 | 中国计量科学研究院 | Low-temperature superconducting chip packaging testing device |
| CN112217069A (en) * | 2020-09-02 | 2021-01-12 | 北京电子工程总体研究所 | Signal test connecting piece and frock based on VITA74 standard |
| CN113346264A (en) * | 2021-06-07 | 2021-09-03 | 深圳市木王智能科技有限公司 | High intensive PCB keysets |
-
2004
- 2004-09-21 CN CN 200410040754 patent/CN1752761A/en active Pending
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101877933B (en) * | 2009-12-02 | 2012-06-27 | 友达光电股份有限公司 | Flexible circuit board |
| CN102928675A (en) * | 2012-11-19 | 2013-02-13 | 天津市中环高科技有限公司 | Method for detecting shielding layer of capacitive touch screen |
| CN103543398A (en) * | 2013-10-29 | 2014-01-29 | 四川虹欧显示器件有限公司 | PCB tool used for testing addressing chip and addressing chip testing system |
| CN103884976A (en) * | 2014-02-21 | 2014-06-25 | 上海华力微电子有限公司 | Connection method for final test of semiconductor device |
| CN105334356A (en) * | 2015-11-20 | 2016-02-17 | 中国特种设备检测研究院 | Measuring connection structure of flexible array device |
| CN106771413A (en) * | 2016-11-10 | 2017-05-31 | 苏州维业达触控科技有限公司 | A kind of touch-screen conducting film and method of testing |
| CN109932622A (en) * | 2017-12-16 | 2019-06-25 | 神讯电脑(昆山)有限公司 | The high pressure resistant test device of Type-c connector |
| CN109507568A (en) * | 2018-12-12 | 2019-03-22 | 上海航天设备制造总厂有限公司 | A kind of printed board real-time working detection device |
| CN111505479A (en) * | 2020-03-12 | 2020-08-07 | 中国计量科学研究院 | Low-temperature superconducting chip packaging testing device |
| CN112217069A (en) * | 2020-09-02 | 2021-01-12 | 北京电子工程总体研究所 | Signal test connecting piece and frock based on VITA74 standard |
| CN113346264A (en) * | 2021-06-07 | 2021-09-03 | 深圳市木王智能科技有限公司 | High intensive PCB keysets |
| CN113346264B (en) * | 2021-06-07 | 2023-06-23 | 深圳市木王智能科技有限公司 | High-density PCB adapter plate |
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