CN101813841A - Test fixture and test method of display panel - Google Patents
Test fixture and test method of display panel Download PDFInfo
- Publication number
- CN101813841A CN101813841A CN201010158200A CN201010158200A CN101813841A CN 101813841 A CN101813841 A CN 101813841A CN 201010158200 A CN201010158200 A CN 201010158200A CN 201010158200 A CN201010158200 A CN 201010158200A CN 101813841 A CN101813841 A CN 101813841A
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- circuit board
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- cover plate
- display panel
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Abstract
The invention discloses a test fixture and a test method of a display panel. The display panel comprises a substrate and a first circuit board provided with a first plugging terminal. The test fixture comprises a test board, a cover plate, a test circuit board and a limiting block. The substrate is placed in a first placing area of the test board and the first circuit board is placed in a second placing area. A first end of the cover plate is rotatably fixed on the test board; and the cover plate is provided with a third placing area. The test circuit board is fixed in the third placing area and is provided with a second plugging terminal. The limiting block is arranged on the cover plate or the test board. The distance between the cover plate and the test board is limited by the limiting block when a turnover cover of the cover plate is arranged on the first circuit board, so that the first plugging terminal and the end part of the second plugging terminal contact but are not mutually plugged. The test fixture of the display panel aligns the circuit board of the display panel with the terminals of the test circuit board by using a turnover mechanism; and the connecting mode of the terminals is changed into contact but not plug, so that mutual abrasion between the terminals during plugging can be reduced and the damage to products can be avoided.
Description
Technical field
The present invention relates in particular to a kind of circuit board of display panel and the display panel measurement jig and method of testing of the accurate contraposition of testing circuit board terminal of realizing about a kind of display panel measurement jig and method of testing.
Background technology
Existing known display panels is after attaching polaroid, and before the encapsulation procedure of display panels, can light test jobs to the display panels that does not carry out encapsulation procedure as yet, to detect the defect condition of display panels, the quality of keyholed back plate display panels, avoid in the display panels production run, various problems occurs because of various factors makes display panel.
Traditional detection method be the staff manually take the switching flexible printed wiring board (FPC), after contraposition, it is connected with the printed circuit board (PCB) of display panels, the FPC that wherein transfers is in order to receive outside shows signal, as power supply signal, picture signal and voltage signal etc.Because of can't see from the back side switching on the FPC terminal such as the position of plug, make the staff be difficult to contraposition.As shown in Figure 1, the connection diagram of plug and socket when Figure 1 shows that the test of display panels in the prior art, during the display panels test, the socket (being terminal) 2 that utilizes measurement jig will transfer on the printed circuit board (PCB) of plug (being terminal) 1 and display panels on the FPC is connected, and classic method is that plug 1 is buckled in the socket 2 fully.Like this, test is when finishing, during the plug 1 of staff on extracting switching FPC if the wrong then printed circuit board (PCB) of easy damaged display panels very of gimmick; And the printed circuit board (PCB) of display panels because of need through repeatedly plug, make that plug 1 or socket 2 are easy to damage, thereby cause the damage of display panels or switching circuit board, cause working as machine.
Summary of the invention
Therefore, one of purpose of the present invention is to provide a kind of display panel measurement jig and method of testing, realizes the circuit board of display panel and the accurate contraposition of testing circuit board inserting terminal.
For reaching above-mentioned purpose, the invention provides a kind of display panel measurement jig, and this display panel comprises substrate and the first circuit board that electrically connects with this substrate, and this first circuit board has first inserting terminal, and this measurement jig comprises test board, cover plate, testing circuit board and limited block.Test board has first rest area and second rest area, and this substrate is positioned over this first rest area, and this first circuit board is positioned over this second rest area, and wherein this first rest area is positioned at first side of this second rest area.Second side different with this first side of this second rest area is fixed in first end rotation of this cover plate, and has the 3rd rest area on this cover plate.Testing circuit board provides drive signal to drive this display panel, and this testing circuit board is fixed in the 3rd rest area, and this testing circuit board has second inserting terminal.Limited block is arranged on this cover plate, perhaps is arranged on this test board.Wherein, this cover plate upset and when being covered on this first circuit board, this limited block limits the distance between this cover plate and this test board, this first inserting terminal is contacted but not insertion mutually with this second inserting terminal, and this limited block is between this cover plate and this test board.
Further, this limited block adopts metal material to make, and this measurement jig also comprises magnetic element, and this magnetic element and this limited block are oppositely arranged and interact, and this limited block is when being arranged on this cover plate, and this magnetic element is arranged with on this test board; When this limited block was arranged on this test board, this magnetic element was arranged with on cover plate.
Further, this first circuit board is a flexible printed wiring board.
Further, this first rest area is connected with this second rest area.
Further, the size of this second rest area and this first circuit board is big or small identical.
Further, the periphery of this second rest area is provided with fixture block, in order to fix this first circuit board.
Further, this display panel is a display panels.
The present invention also provides a kind of display panel method of testing, and this method of testing comprises provides aforesaid display panel measurement jig; This substrate of this display panel is positioned over this first rest area, and this first circuit board is positioned over this second rest area; Fix this testing circuit board in the 3rd rest area; This cover plate that overturns is covered on this first circuit board, and this first inserting terminal contacts with this second inserting terminal end but do not insert mutually; And input test signal, this display panel of testing electrical property.
Compared with prior art, display panel measurement jig of the present invention adopts the switching mechanism contraposition, the operator does not need visual fix, only needs the upset lid just can finish the inserting terminal of circuit board of display panels and the location of testing circuit board inserting terminal, increases work efficiency.In addition, the inserting terminal connected mode of the circuit board of display panels and testing circuit board changes plug into and does not buckle into socket, but only just contacts; Rub each other in the time of can reducing plug, avoid the risk of product connector damage.
Can be about the advantages and spirit of the present invention by following detailed Description Of The Invention and appended graphic being further understood.
Description of drawings
The connection diagram of plug and socket when Figure 1 shows that the test of display panels in the prior art;
Figure 2 shows that synoptic diagram according to first embodiment of display panel measurement jig of the present invention;
When Figure 3 shows that the measurement jig test display panel among Fig. 2 in the synoptic diagram of first state;
When Figure 4 shows that the measurement jig test display panel among Fig. 2 in the synoptic diagram of second state;
Figure 5 shows that along the diagrammatic cross-section of the EE ' line among Fig. 4;
Figure 6 shows that the enlarged diagram that first inserting terminal among Fig. 4 is connected with second inserting terminal;
When Fig. 7 A is depicted as second embodiment of the invention measurement jig test display panel in the synoptic diagram of first state;
When Fig. 7 B is depicted as second embodiment of the invention measurement jig test display panel in the synoptic diagram of second state;
Figure 8 shows that along the diagrammatic cross-section of FF ' line among Fig. 7 B;
Figure 9 shows that process flow diagram according to display panel method of testing of the present invention.
Embodiment
See also Fig. 2 and Fig. 3, Figure 2 shows that synoptic diagram according to first embodiment of display panel measurement jig of the present invention, when Figure 3 shows that the measurement jig test display panel among Fig. 2 in the synoptic diagram of first state.The invention provides a kind of display panel measurement jig 10, display panel 11 for example is a display panels, comprise substrate 12 and the first circuit board 13 that electrically connects with substrate 12, first circuit board 13 has first inserting terminal 7, first circuit board 13 is a flexible printed wiring board, is connected to display panels 11 input signals with printed circuit board (PCB).Wherein substrate 12 for example is a glass substrate, stood by colored filter substrate and thin-film transistor array base-plate group to form, and filling is provided with liquid crystal between two substrates.Display panel measurement jig 10 comprises test board 14, cover plate 15, testing circuit board 16 and limited block 17.Wherein first state is the state of display panels 11 when being positioned over test board 16.Test board 14 has the first rest area A and the second rest area B, and the first rest area A is in order to place substrate 12, the second rest area B in order to place first circuit board 13, and wherein the first rest area A is positioned at first side of the second rest area B.Understandable, the first rest area A is connected with the second rest area B, so in order to the first circuit board 13 of protection display panels 11, prevents too much or overflexing damage first circuit board 13.And preferably, the size of the second rest area B is big or small identical with first circuit board 13, is convenient to place first circuit board 13.Certainly, understandable, the periphery of the second rest area B also can be provided with the fixture block (not shown), in order to fixing first circuit board 13, prevent because the size of the second rest area B causes first circuit board 13 to move when not matching with first circuit board 13, make that second inserting terminal, 8 contrapositions of first inserting terminal 7 of first circuit board 13 and testing circuit board 16 are bad.
First end, 51 rotations of cover plate 15 are fixed on the test board 14, and are positioned at second side different with first side of the second rest area B, and have the 3rd rest area C on the cover plate 15.Wherein, second side is for example adjacent with first side or be oppositely arranged with first side, is to be set to example so that second side is adjacent with first side in the present embodiment, but not as limit.Testing circuit board 16 provides drive signal driving display panels 11, and testing circuit board 16 is fixed in the 3rd rest area C, and testing circuit board 16 has second inserting terminal 8.Limited block 17 is arranged on the cover plate 15; Perhaps, limited block 17 also can be arranged on the test board 14, for example is positioned at second side of the second rest area B, or when first side is adjacent with second side when being provided with, limited block 17 is positioned at three side relative with second side of the second rest area B.In the present embodiment be arranged at cover plate 15 with limited block 17 with first end, 51 second opposed end 52 be example, but not as limit, limited block 17 for example can also be arranged at other positions of cover plate 15.The distance that limited block 17 limits between cover plate 15 and the test board 14 makes first inserting terminal 7 contact with slotting second inserting terminal, 8 ends and not insertion mutually.And limited block 17 can be arranged on cover plate 15 or the test board 14 adjustment height, controls the height that lid plate 15 is detained by the height of adjusting limited block 17, to change first inserting terminal 7 and the exposure level of inserting second inserting terminal, 8 ends.Wherein, limited block 17 for example adopts metal material to make, certainly also not as limit.
See also Fig. 4 and Fig. 5, in the synoptic diagram of second state, Figure 5 shows that when Figure 4 shows that the measurement jig test display panel among Fig. 2 along the diagrammatic cross-section of the EE ' line among Fig. 4.Second state is the state of cover plate 15 when test board 14 overturn cover are located on the first circuit board 13.At this moment, first inserting terminal 7 contacts with second inserting terminal, 8 ends but does not insert mutually, and limited block 17 is between cover plate 15 and test board 14, wherein, first inserting terminal 7 for example is a socket, the second corresponding inserting terminal 8 for example is a plug, when test board 14 overturn cover are located on the first circuit board 13,8 of plugs contact formation with socket 7 and electrically connect, but do not insert mutually, the first circuit board or 13 testing circuit boards 16 of damage display panels 11 as shown in Figure 5 and Figure 6, Figure 6 shows that the enlarged diagram that first inserting terminal among Fig. 4 is connected with second inserting terminal when avoiding plug 8 to extract from socket 7.
See also Fig. 7 A, Fig. 7 B and Fig. 8, when Fig. 7 A is depicted as second embodiment of the invention measurement jig test display panel in the synoptic diagram of first state, when being depicted as second embodiment of the invention measurement jig test display panel, Fig. 7 B, Figure 8 shows that along the diagrammatic cross-section of the FF ' line among Fig. 7 B in the synoptic diagram of second state.Display panel measurement jig 20 in the present embodiment is similar to the display panel measurement jig 10 in first embodiment, difference is that display panel measurement jig 20 also comprises magnetic element 21, magnetic element 21 is oppositely arranged with limited block 27 and interacts, wherein, limited block 27 adopts metal material to make, metal material is iron for example, the interaction energy of limited block 27 makes first inserting terminal 7 of first circuit board 13 contact with second inserting terminal, 8 ends of testing circuit board 16 but does not insert mutually, can reduce the wearing and tearing of first inserting terminal 7 and second inserting terminal 8, and display panels 11 can be lighted normally.And the interaction of limited block 27 and magnetic element 21, first inserting terminal 7 that then can guarantee first circuit board 13 in display panels 11 test processs further contacts with second the effective of inserting terminal 8 of testing circuit board 16, wherein magnetic element 21 magnet for example.And in the practical application, when limited block 27 was arranged on the cover plate 25,21 of magnetic elements were arranged with on test board 24; When limited block 27 was arranged on the test board 24,21 of magnetic elements were arranged with on cover plate 25.Be to be arranged on the cover plate 25 with limited block 27 in the present embodiment, magnetic element 21 is arranged with and is example on test board 24.
In addition, the first rest area A ' of test board 24 also is provided with at least one ear 28 in the present embodiment, in order to make things convenient for picking and placeing of display panels 11.
In addition, see also Fig. 9, Figure 9 shows that process flow diagram according to display panel method of testing of the present invention.The present invention also provides a kind of display panel method of testing, and in the present embodiment, the display panel method of testing comprises the steps:
At first, as step S1, provide aforesaid display panel measurement jig 20;
Then, as step S2, the substrate 12 of display panels 11 is positioned over the first rest area A ', and first circuit board 13 is positioned over the second rest area B;
Then, as step S3, fixing test circuit board 16 is in the 3rd rest area C;
Follow again, as step S4, upset cover plate 25 is covered on the first circuit board 13, first inserting terminal 7 contacts with second inserting terminal, 8 ends but does not insert mutually, the distance that limited block 27 limits between cover plate 25 and the test board 24, first inserting terminal 7 that can make first circuit board 13 contacts with second inserting terminal, 8 ends of testing circuit board 16 but does not insert mutually, can reduce the wearing and tearing of first inserting terminal 7 and second inserting terminal 8, and display panels 11 can be lighted normally; And
At last, as step S5, connect testing circuit board 16, input test signal, testing electrical property display panels 11.
Compared with prior art, display panel measurement jig of the present invention adopts the switching mechanism contraposition, and the operator does not need visual fix, only needs the upset lid just can finish the terminal of circuit board of display panels and the location of testing circuit board terminal, increases work efficiency.In addition, the terminal connected mode of the circuit board of display panels and testing circuit board changes plug into and does not buckle into socket, but only just contacts; Rub each other in the time of can reducing plug, avoid the risk of product connector damage.
By the above detailed description of preferred embodiments, be to wish to know more to describe feature of the present invention and spirit, and be not to come protection scope of the present invention is limited with above-mentioned disclosed preferred embodiment.On the contrary, its objective is that hope can contain in the protection domain of claim of being arranged in of various changes and tool equality institute of the present invention desire application.Therefore, the protection domain of the claim that the present invention applied for should be done the broadest explanation according to above-mentioned explanation, contains the arrangement of all possible change and tool equality to cause it.
Claims (8)
1. display panel measurement jig, this display panel comprise substrate and the first circuit board that electrically connects with this substrate, and this first circuit board has first inserting terminal, it is characterized in that this measurement jig comprises
Test board has first rest area and second rest area, and this substrate is positioned over this first rest area, and this first circuit board is positioned over this second rest area, and wherein this first rest area is positioned at first side of this second rest area;
Cover plate, first end rotation of this cover plate is fixed on this test board, and this cover plate is positioned at second side different with this first side of this second rest area, and has the 3rd rest area on this cover plate;
Testing circuit board provides drive signal to drive this display panel, and this testing circuit board is fixed in the 3rd rest area, and this testing circuit board has second inserting terminal; And
Limited block is arranged on this cover plate, perhaps is arranged on this test board;
Wherein, this cover plate upset and when being covered on this first circuit board, this limited block limits the distance between this cover plate and this test board, this first inserting terminal is contacted but not insertion mutually with this second inserting terminal end.
2. measurement jig as claimed in claim 1, it is characterized in that this limited block adopts metal material to make, and this measurement jig also comprises magnetic element, this magnetic element and this limited block are oppositely arranged and interact, and when this limited block was arranged on this cover plate, this magnetic element was arranged with on this test board; When this limited block was arranged on this test board, this magnetic element was arranged with on cover plate.
3. measurement jig as claimed in claim 1 is characterized in that this first circuit board is a flexible printed wiring board.
4. measurement jig as claimed in claim 1 is characterized in that this first rest area is connected with this second rest area.
5. measurement jig as claimed in claim 1, the size that it is characterized in that this second rest area is big or small identical with this first circuit board.
6. measurement jig as claimed in claim 1 is characterized in that the periphery of this second rest area is provided with fixture block, in order to fix this first circuit board.
7. measurement jig as claimed in claim 1 is characterized in that this display panel is a display panels.
8. a display panel method of testing is characterized in that this method of testing comprises
Any described display panel measurement jig as claim 1-7 is provided;
This substrate of this display panel is positioned over this first rest area, and this first circuit board is positioned over this second rest area;
Fix this testing circuit board in the 3rd rest area;
This cover plate that overturns is covered on this first circuit board, and this first inserting terminal contacts with this second inserting terminal end but do not insert mutually; And
Input test signal, this display panel of testing electrical property.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010158200A CN101813841A (en) | 2010-03-24 | 2010-03-24 | Test fixture and test method of display panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010158200A CN101813841A (en) | 2010-03-24 | 2010-03-24 | Test fixture and test method of display panel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101813841A true CN101813841A (en) | 2010-08-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010158200A Pending CN101813841A (en) | 2010-03-24 | 2010-03-24 | Test fixture and test method of display panel |
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| CN (1) | CN101813841A (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102520538A (en) * | 2011-12-29 | 2012-06-27 | 友达光电（苏州）有限公司 | Welding point testing tool |
| CN102879926A (en) * | 2012-09-19 | 2013-01-16 | 深圳市华星光电技术有限公司 | Type setting structure for sharing jig by two display panels and method of type setting structure |
| CN105226415A (en) * | 2015-10-16 | 2016-01-06 | 京东方科技集团股份有限公司 | Display module test fixture |
| CN104090390B (en) * | 2014-06-26 | 2017-01-04 | 京东方科技集团股份有限公司 | glass substrate containing device |
| CN106932709A (en) * | 2017-02-17 | 2017-07-07 | 李培培 | A kind of multilayer circuit board energization observation debugging apparatus |
| CN108803094A (en) * | 2018-06-11 | 2018-11-13 | 武汉精测电子集团股份有限公司 | A kind of portable electronic screen Turnover testing jig |
| CN109342020A (en) * | 2018-11-20 | 2019-02-15 | 武汉精毅通电子技术有限公司 | Bogey is used in a kind of test of display panel |
| CN110296936A (en) * | 2019-07-17 | 2019-10-01 | 武汉华星光电技术有限公司 | A kind of lighting test jig and its test method |
| CN112379243A (en) * | 2020-11-02 | 2021-02-19 | 上海无线电设备研究所 | Automatic feeding, discharging and plugging system and method for normal-temperature test of circuit board |
| CN114067711A (en) * | 2021-10-22 | 2022-02-18 | 江西合力泰科技有限公司 | Test tool for preventing display module from being burnt out |
-
2010
- 2010-03-24 CN CN201010158200A patent/CN101813841A/en active Pending
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102520538A (en) * | 2011-12-29 | 2012-06-27 | 友达光电（苏州）有限公司 | Welding point testing tool |
| CN102520538B (en) * | 2011-12-29 | 2014-07-02 | 友达光电（苏州）有限公司 | Welding point testing tool |
| CN102879926A (en) * | 2012-09-19 | 2013-01-16 | 深圳市华星光电技术有限公司 | Type setting structure for sharing jig by two display panels and method of type setting structure |
| WO2014043889A1 (en) * | 2012-09-19 | 2014-03-27 | 深圳市华星光电技术有限公司 | Layout structure for sharing jig by two types of display panels and method thereof |
| CN102879926B (en) * | 2012-09-19 | 2014-12-10 | 深圳市华星光电技术有限公司 | Type setting structure for sharing jig by two display panels and method of type setting structure |
| CN104090390B (en) * | 2014-06-26 | 2017-01-04 | 京东方科技集团股份有限公司 | glass substrate containing device |
| CN105226415A (en) * | 2015-10-16 | 2016-01-06 | 京东方科技集团股份有限公司 | Display module test fixture |
| CN106932709A (en) * | 2017-02-17 | 2017-07-07 | 李培培 | A kind of multilayer circuit board energization observation debugging apparatus |
| CN108803094A (en) * | 2018-06-11 | 2018-11-13 | 武汉精测电子集团股份有限公司 | A kind of portable electronic screen Turnover testing jig |
| CN108803094B (en) * | 2018-06-11 | 2023-12-15 | 武汉精测电子集团股份有限公司 | Portable electronic screen overturning test jig |
| CN109342020A (en) * | 2018-11-20 | 2019-02-15 | 武汉精毅通电子技术有限公司 | Bogey is used in a kind of test of display panel |
| CN110296936A (en) * | 2019-07-17 | 2019-10-01 | 武汉华星光电技术有限公司 | A kind of lighting test jig and its test method |
| CN112379243A (en) * | 2020-11-02 | 2021-02-19 | 上海无线电设备研究所 | Automatic feeding, discharging and plugging system and method for normal-temperature test of circuit board |
| CN112379243B (en) * | 2020-11-02 | 2023-07-04 | 上海无线电设备研究所 | Automatic loading and unloading and plugging system and method for normal-temperature test of circuit board |
| CN114067711A (en) * | 2021-10-22 | 2022-02-18 | 江西合力泰科技有限公司 | Test tool for preventing display module from being burnt out |
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Application publication date: 20100825 |