CN203011958U - Test fixture used for liquid crystal display panel - Google Patents
Test fixture used for liquid crystal display panel Download PDFInfo
- Publication number
- CN203011958U CN203011958U CN 201220730391 CN201220730391U CN203011958U CN 203011958 U CN203011958 U CN 203011958U CN 201220730391 CN201220730391 CN 201220730391 CN 201220730391 U CN201220730391 U CN 201220730391U CN 203011958 U CN203011958 U CN 203011958U
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- clamping plate
- chuck
- probe
- test fixture
- display panels
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Abstract
The utility model provides a test fixture used for a liquid crystal display panel. The test fixture comprises a clamping piece and a plurality of probes which are fixed on the clamping piece. The probes have contact jaws which are used for contacting test points on a to-be-tested liquid crystal display panel and connecting pins which are used for electrically connected with a testing device. The clamping piece is used for clamping the rim of the to-be-tested liquid crystal display panel and electrically connecting the contact jaws of the probes with the test points on the to-be-tested liquid crystal display panel. The test fixture is convenient to electrically connect the test device with the test points on the to-be-tested liquid crystal display panel and can prevent complex welding operation as the liquid crystal display panel is tested, so that the working efficiency can be improved.
Description
Technical field
The utility model relates to display panels manufacturing technology field, relates in particular to a kind of test fixture for display panels.
Background technology
The display panels manufacturing technology is increasingly mature at present, and the competition of product yield is particularly important.The display panels manufacturing industry needs constantly to resolve product is bad, to improve product quality.In resolving, often the display panels of making need to be lighted undesirable condition for confirmation.If want off line (offline) to light display panels, often need with metal pad (pad) welding of flatiron with metal wire and display panels periphery, then carry voltage to light action to display panels by plain conductor.Yet welding process wastes time and energy, and the problem such as solder shorts often occurs, causes display panels to light, and even causes the pad damage, so that produces the problem that the bad reason of display panels is difficult to find out.
The utility model content
Fundamental purpose of the present utility model is to provide a kind of test fixture for display panels, and numerous and diverse welding job when being intended to avoid the LCD board test is to increase work efficiency.
To achieve these goals, the utility model provides a kind of test fixture for display panels, described test fixture comprises holder and is fixed in a plurality of probes on described holder, described probe have for display panels to be measured on the link that is electrical connected with proving installation of the contacted contact jaw of test point and be used for, described holder is used for the edge of the described display panels to be measured of clamping, and makes the contact jaw of described probe and the test point electrical contact on described display panels to be measured.
Preferably, described holder comprises a pair of clamping plate that are connected, this end to clamping plate is formed with and is the first chuck and the second chuck that is oppositely arranged, so that the tight electrical contact between the test point on described probe and described display panels to be measured to be provided, this other end to clamping plate is formed with a pair of handle to control opening and closure between described the first chuck and described the second chuck, this is to being provided with elastic component so that the holding force between described the first chuck and described the second chuck to be provided between clamping plate, described probe is fixed on described the first chuck.
Preferably, described probe is inserted in described the first chuck, and the contact jaw of described probe protrudes from the inside surface that described the first chuck and described the second chuck are faced mutually, and the link of described probe is connected with wire.
Preferably, these both sides to clamping plate are respectively equipped with web joint, these each clamping plate to clamping plate are articulated by a pivot and described web joint, this can be relatively rotated clamping plate, described elastic component is Compress Spring, the two ends of described Compress Spring are pushed against respectively this to two medial surfaces of handle, so that the holding force between described the first chuck and the second chuck to be provided.
Preferably, this is to being provided with the cushion pad that can regulate holding force between described the first chuck and the second chuck between clamping plate.
Preferably, described cushion pad comprises the first backing plate and the second backing plate, described the first backing plate is located at this on clamping plate that are provided with described probe in clamping plate, described the second backing plate is located at this on another clamping plate in clamping plate, and an end of the close probe of described the first backing plate stretches out predetermined length with respect to an end of the close described probe of described the second backing plate towards probe.
Preferably, described the first chuck and the second chuck include orthogonal the first gripper edge and the second gripper edge, are equipped with probe on the first gripper edge of described the first chuck and the second gripper edge.
Preferably, the handle on each clamping plate on these clamping plate the first gripper edge and the junction of the second gripper edge along the angular bisector of described the first gripper edge and the second gripper edge to extending away from described probe.
Preferably, described probe comprises insulation shell and is located at described insulation shell interior conductive pole and spring, described insulation shell has the first relative end plate and the second end plate, described conductive pole has relative first end and the second end, described spring is the compression shape and is located between the first end of the first end plate of insulation shell and conductive pole, the second end of described conductive pole outwards passes from the second end plate of described insulation shell, and the second end of described conductive pole is the contact jaw of probe.
preferably, this centre position to clamping plate is respectively equipped with two lugs, lug on each clamping plate arranges towards another clamping plate, one pivot passes described lug and this is connected clamping plate, described elastic component is a torsion spring, described torsion spring set is located on described pivot and between these two lugs to clamping plate, described torsion spring comprises the body of spiral status, and lay respectively at two pressure sections at described body two ends, the body of described torsion spring is sheathed on described pivot and between these two lugs to clamping plate, two pressure sections of described torsion spring are resisted against respectively on these two medial surfaces to handle.
In test fixture of the present utility model, can directly be held on the edge of display panels to be measured by holder, and make probe set on holder contact and form good electric connection with test point on display panels to be measured, the probe other end can connect wire and be connected with proving installation, realizes display panels is lighted test or optical characteristic test.When adopting described test fixture that display panels is tested, operate more conveniently, can save the miscellaneous work that wire and test point are welded, thereby effectively increase work efficiency.By orthogonal the first gripper edge and the second gripper edge are set on the first chuck and the second chuck, can realize simultaneously that test point on two limits with display panels to be measured corner contact to form electric connection, facilitate test operation.In addition, described test fixture is easy to process, and cost is low.
Description of drawings
Fig. 1 is the structural representation that the utility model is used for test fixture one preferred embodiment of display panels, and wherein test fixture is in open configuration.
Fig. 2 is the schematic diagram of test fixture shown in Figure 1 when being used for the test fluid LCD panel.
Fig. 3 is the follow the arrow side view of direction of Fig. 2.
Fig. 4 is the structural representation of test fixture middle probe shown in Figure 1.
Fig. 5 is the structural representation that the utility model is used for another preferred embodiment of test fixture of display panels.
The realization of the utility model purpose, functional characteristics and advantage are described further with reference to accompanying drawing in connection with embodiment.
Embodiment
Should be appreciated that embodiment described herein only in order to explaining the utility model, and be not used in restriction the utility model.
See also Fig. 1 to Fig. 3, Fig. 1 is the structural representation that the utility model is used for test fixture one preferred embodiment of display panels, and wherein test fixture is in open configuration.Fig. 2 is the schematic diagram of test fixture shown in Figure 1 when being used for the test fluid LCD panel.Fig. 3 is the follow the arrow side view of direction of Fig. 2.As shown in Figure 1 to Figure 3, be used for a preferred embodiment of the test fixture 10 of display panels at the utility model, described test fixture 10, be used for being folded in the edge of display panels 20 to be measured, with the test point 21(metal pad with proving installation and display panels to be measured 20 edges) be electrically connected, thus facilitate proving installation that display panels 20 is tested.Described proving installation can be supply unit or optical characteristic test device, to be respectively used to that display panels 20 to be measured is lighted test or optical characteristic test.
Described test fixture 10, comprise holder 11 and be fixed in a plurality of probes 12 on described holder 11, described probe 12 have for display panels 20 to be measured on the link 122 that is electrical connected with proving installation of the contacted contact jaw of test point 21 121 and being used for, described holder 11 is used for the edge of the described display panels 20 to be measured of clamping, and makes the contact jaw 121 of described probe 12 and test point 21 electrical contacts on described display panels 20 to be measured.The link 122 of described probe 12 is connected with wire 123, is electrical connected with proving installation being used for.Described probe 12 can be used for display panels 20 on ODD, EVEN, COM, R, the test points 21 such as G, B contact to test accordingly, the quantity of probe 12 is definite according to the test request of reality, and its position distribution is decided according to the Position Design of the test point 21 on display panels 20.
Described holder 11 comprises a pair of clamping plate 111 that are connected, this end to clamping plate 111 is formed with and is the first chuck 1111 and the second chuck 1112 that is oppositely arranged, so that the tight electrical contact between the test point 21 on described probe 12 and described display panels to be measured 20 to be provided, this other end to clamping plate 111 is formed with a pair of handle 112 to control opening and closure between described the first chuck 1111 and the second chuck 1112.These both sides to clamping plate 111 are respectively equipped with web joint 114, and each clamping plate 111 is articulated with described web joint 114 by a pivot 115, and this can be relatively rotated clamping plate 111.This to this of clamping plate 111 to being provided with elastic component 113 between handle 112 so that the holding force between described the first chuck 1111 and the second chuck 1112 to be provided.Described elastic component 113 is Compress Spring, and the two ends of described Compress Spring are pushed against respectively this to two medial surfaces of handle 112, so that the holding force between described the first chuck 1111 and the second chuck 1112 to be provided.Described probe 12 is fixed on described the first chuck 1111.Particularly, described probe 12 is inserted in described the first chuck 1111, and the contact jaw 121 of described probe 12 protrudes from the inside surface that described the first chuck 1111 and the second chuck 1112 are faced mutually.
This is to being provided with the cushion pad 13 that can regulate holding force between described the first chuck 1111 and the second chuck 1112 between clamping plate 111, so that the probe 12 on described the first chuck 1111 can closely electrically contact with the test point 21 of display panels 20 to be measured, and don't can apply too large holding force to display panels 20 to be measured, avoid display panels 20 clamping tensions to be measured are damaged display panels 20 to be measured.Described cushion pad 13 can be made by soft materials such as rubber.In the present embodiment; described cushion pad 13 comprises the first backing plate 131 and the second backing plate 132; described the first backing plate 131 is located at this on clamping plate 111 that are provided with probe 12 in clamping plate 111; 132, described the second backing plate is located at this on another clamping plate 111 in clamping plate 111; one end of described the first backing plate 131 close probes 12 stretches out predetermined length with respect to an end of the second backing plate 132 close probes 12 towards probe 12, with convenient, display panels 20 to be measured is carried out clamping and protection.In other embodiments, the first backing plate 131 and second backing plate 132 of described cushion pad 13 also can be combined into one, and are fixed in this on clamping plate 111 that are provided with probe 12 in clamping plate 111.Described cushion pad 13 is preferably and is removably installed on clamping plate 111, being convenient for changing, thus the test request of applicable different-thickness display panels 20.
Described the first chuck 1111 and the second chuck 1112 are all V-shaped, and include orthogonal the first gripper edge 1113 and the second gripper edge 1114, be equipped with probe 12 on the first gripper edge 1113 of described the first chuck 1111 and the second gripper edge 1114, can be simultaneously contact with test point 21 on two limits of display panels to be measured 20 corners and form electric connection.On described the first gripper edge 1113 and the second gripper edge 1114, set probe 12 is decided according to test request, in the present embodiment, respectively is provided with three probes on described the first gripper edge 1113 and the second gripper edge 1114.
Each clamping plate 111 seen by vertical view and is " Y " shape, the handle 112 on each clamping plate 111 on these clamping plate 111 the first gripper edge 1113 and the junction of the second gripper edge 1114 along the angular bisector of described the first gripper edge 1113 and the second gripper edge 1114 to extending away from described probe 12.This is increased to the end away from probe 12 by the end near probe 12 gradually to the distance between two medial surfaces of handle 112, increasing the opening angle between described the first chuck 1111 and the second chuck 1112, thus convenient clamping operation to display panels 20 to be measured.
As shown in Figure 4, described probe 12 comprises insulation shell 124 and is located at the interior conductive pole 125 and spring 126 of described insulation shell 124, described insulation shell 124 has the first relative end plate 1241 and the second end plate 1242, described conductive pole 125 has relative first end 1251 and the second end 1252, described spring 126 is between the first end 1251 of the first end plate 1241 that the compression shape is located in insulation shell 124 and conductive pole 125, and oneself insulate the second end plate 1242 of housing 124 outwards passes the second end 1252 of described conductive pole 125.The second end 1252 of described conductive pole 125 is the contact jaw 121 of probe 12.By at the interior spring 126 that arranges of the insulation shell 124 of probe 12, when test fixture 10 is clamped on display panels 20 to be measured, can make the contact jaw 121 of probe 12 and the test point on display panels 20 to be measured 21 keep good contacts, degree of tightness is suitable.
In the present embodiment, this of described test fixture 10 be to connecting by web joint 114 and pivot 115 between clamping plate 111, and provide holding force between the first chuck 1111 and the second chuck 1112 by elastic component 113.In other embodiments, this be to also can adopting other mode to connect between clamping plate 111, and adopts the elastic component of other version that holding force between the first chuck 1111 and the second chuck 1112 is provided.
As shown in Figure 5, be used for another preferred embodiment of the test fixture 10a of display panels 20 for the utility model.In the present embodiment, described test fixture 10a comprises holder 11a and is fixed in a plurality of probes 12 on described holder 11a.Described holder 11a comprises a pair of clamping plate 111a that is connected, and this end to clamping plate 111a is formed with and is the first chuck 1111 and the second chuck 1112 that is oppositely arranged, and this other end to clamping plate 111a is formed with a pair of handle 112.And the difference between the test fixture 10 of last embodiment is: in the present embodiment, this centre position to clamping plate 111a is respectively equipped with two lugs 1115, lug 1115 on each clamping plate 111a arranges towards another clamping plate 111a, and a pivot 115a passes described lug 1115 and this is connected clamping plate 111a; Being used for providing the elastic component 113a of holding force is a torsion spring, described torsion spring comprises the body 1131 of spiral status and lays respectively at two pressure sections 1132 at described body 1131 two ends, the body 1131 of described torsion spring is sheathed on described pivot 115a upward and between these two lugs 1115 to clamping plate 111a, two pressure sections 1132 of described torsion spring are resisted against respectively on these two medial surfaces to handle 112.
In above-mentioned test fixture, can directly be held on the edge of display panels to be measured by holder, and make probe set on holder contact and form good electric connection with test point on display panels to be measured, the wire of the probe other end is connected with proving installation, realizes display panels is lighted test or optical characteristic test.When adopting described test fixture that display panels is tested, operate more conveniently, can save the miscellaneous work that wire and test point are welded, thereby effectively increase work efficiency.By orthogonal the first gripper edge and the second gripper edge are set on the first chuck and the second chuck,, can realize simultaneously that test point on two limits with display panels to be measured corner contact to form electric connection, facilitate test operation.In addition, described test fixture is easy to process, and cost is low.
Certainly, test fixture of the present utility model is not limited to above-mentioned embodiment, it also can have other variation pattern, two clamping plate as test fixture are set to concordant " one " font, the test point setting of corresponding display panels one side of the probe on clamping plate, probe can be on clamping plate horizontally-arranged or vertical setting of types, as long as the test point of corresponding display panels one side.During use, the both sides that correspond respectively to display panels with two fixtures are clamped test point and are tested, and these variations all are included in protection domain of the present utility model.
The utility model is not limited to above embodiment, under the disclosed technology contents of above-mentioned embodiment, can also carry out various variations.Every equivalent structure transformation that utilizes the utility model instructions and accompanying drawing content to do, or directly or indirectly be used in other relevant technical fields, all in like manner be included in scope of patent protection of the present utility model.
Claims (10)
1. test fixture that is used for display panels, it is characterized in that, described test fixture comprises holder and is fixed in a plurality of probes on described holder, described probe have for display panels to be measured on the link that is electrical connected with proving installation of the contacted contact jaw of test point and be used for, described holder is used for the edge of the described display panels to be measured of clamping, and makes the contact jaw of described probe and the test point electrical contact on described display panels to be measured.
2. test fixture as claimed in claim 1, it is characterized in that, described holder comprises a pair of clamping plate that are connected, this end to clamping plate is formed with and is the first chuck and the second chuck that is oppositely arranged, so that the tight electrical contact between the test point on described probe and described display panels to be measured to be provided, this other end to clamping plate is formed with a pair of handle to control opening and closure between described the first chuck and described the second chuck, this is to being provided with elastic component so that the holding force between described the first chuck and described the second chuck to be provided between clamping plate, described probe is fixed on described the first chuck.
3. test fixture as claimed in claim 2, it is characterized in that, described probe is inserted in described the first chuck, and the contact jaw of described probe protrudes from the inside surface that described the first chuck and described the second chuck are faced mutually, and the link of described probe is connected with wire.
4. test fixture as claimed in claim 2 or claim 3, it is characterized in that, these both sides to clamping plate are respectively equipped with web joint, these each clamping plate to clamping plate are articulated by a pivot and described web joint, this can be relatively rotated clamping plate, described elastic component is Compress Spring, and the two ends of described Compress Spring are pushed against respectively this to two medial surfaces of handle, so that the holding force between described the first chuck and the second chuck to be provided.
5. test fixture as claimed in claim 2, is characterized in that, this is to being provided with the cushion pad that can regulate holding force between described the first chuck and the second chuck between clamping plate.
6. test fixture as claimed in claim 5, it is characterized in that, described cushion pad comprises the first backing plate and the second backing plate, described the first backing plate is located at this on clamping plate that are provided with described probe in clamping plate, described the second backing plate is located at this on another clamping plate in clamping plate, and an end of the close probe of described the first backing plate stretches out predetermined length with respect to an end of the close described probe of described the second backing plate towards probe.
7. test fixture as claimed in claim 2, is characterized in that, described the first chuck and the second chuck include orthogonal the first gripper edge and the second gripper edge, is equipped with probe on the first gripper edge of described the first chuck and the second gripper edge.
8. test fixture as claimed in claim 7, is characterized in that, the handle on each clamping plate on these clamping plate the first gripper edge and the junction of the second gripper edge along the angular bisector of described the first gripper edge and the second gripper edge to extending away from described probe.
9. test fixture as claimed in claim 1, it is characterized in that, described probe comprises insulation shell and is located at described insulation shell interior conductive pole and spring, described insulation shell has the first relative end plate and the second end plate, described conductive pole has relative first end and the second end, described spring is the compression shape and is located between the first end of the first end plate of insulation shell and conductive pole, the second end of described conductive pole outwards passes from the second end plate of described insulation shell, and the second end of described conductive pole is the contact jaw of probe.
10. test fixture as claimed in claim 2, it is characterized in that, this centre position to clamping plate is respectively equipped with two lugs, lug on each clamping plate arranges towards another clamping plate, one pivot passes described lug and this is connected clamping plate, described elastic component is a torsion spring, described torsion spring set is located on described pivot and between these two lugs to clamping plate, described torsion spring comprises the body of spiral status, and lay respectively at two pressure sections at described body two ends, the body of described torsion spring is sheathed on described pivot and between these two lugs to clamping plate, two pressure sections of described torsion spring are resisted against respectively on these two medial surfaces to handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220730391 CN203011958U (en) | 2012-12-26 | 2012-12-26 | Test fixture used for liquid crystal display panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220730391 CN203011958U (en) | 2012-12-26 | 2012-12-26 | Test fixture used for liquid crystal display panel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203011958U true CN203011958U (en) | 2013-06-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220730391 Expired - Lifetime CN203011958U (en) | 2012-12-26 | 2012-12-26 | Test fixture used for liquid crystal display panel |
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| CN (1) | CN203011958U (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103675456A (en) * | 2013-10-31 | 2014-03-26 | 成都金采科技有限公司 | Four-point resistor testing device |
| CN104166026A (en) * | 2014-08-29 | 2014-11-26 | 苏州市吴中区胥口广博模具加工厂 | Small display screen lightening test bench |
| CN104198193A (en) * | 2014-07-29 | 2014-12-10 | 安徽省地坤汽车天窗科技有限公司 | Supporting structure for pre-action detection device of automobile skylight assembly |
| CN104460061A (en) * | 2014-12-09 | 2015-03-25 | 京东方科技集团股份有限公司 | Test probe and test equipment |
| CN105182013A (en) * | 2015-08-28 | 2015-12-23 | 京东方科技集团股份有限公司 | Display panel testing clamp |
| CN105222990A (en) * | 2015-10-13 | 2016-01-06 | 广州万孚生物技术股份有限公司 | Light-emitting component measurement jig |
| CN107807324A (en) * | 2017-10-21 | 2018-03-16 | 上海御渡半导体科技有限公司 | A kind of clamping device of the circuit board with detection function |
| CN107909951A (en) * | 2017-11-14 | 2018-04-13 | 合肥鑫晟光电科技有限公司 | A kind of panel tester |
| CN108267618A (en) * | 2017-01-03 | 2018-07-10 | 东捷科技股份有限公司 | Fixture with extensible probe |
| CN111435140A (en) * | 2018-12-26 | 2020-07-21 | 致茂电子(苏州)有限公司 | Clamp type testing device |
| TWI706150B (en) * | 2018-12-26 | 2020-10-01 | 致茂電子股份有限公司 | Clipped testing device |
| CN113063532A (en) * | 2019-12-30 | 2021-07-02 | 中核北方核燃料元件有限公司 | Fuel element grid clamping force detection device and method |
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2012
- 2012-12-26 CN CN 201220730391 patent/CN203011958U/en not_active Expired - Lifetime
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103675456A (en) * | 2013-10-31 | 2014-03-26 | 成都金采科技有限公司 | Four-point resistor testing device |
| CN103675456B (en) * | 2013-10-31 | 2016-01-20 | 成都金采科技有限公司 | Four point probe resistance testing device |
| CN104198193B (en) * | 2014-07-29 | 2017-05-17 | 安徽省地坤汽车天窗科技有限公司 | Supporting structure for pre-action detection device of automobile skylight assembly |
| CN104198193A (en) * | 2014-07-29 | 2014-12-10 | 安徽省地坤汽车天窗科技有限公司 | Supporting structure for pre-action detection device of automobile skylight assembly |
| CN104166026A (en) * | 2014-08-29 | 2014-11-26 | 苏州市吴中区胥口广博模具加工厂 | Small display screen lightening test bench |
| CN104460061A (en) * | 2014-12-09 | 2015-03-25 | 京东方科技集团股份有限公司 | Test probe and test equipment |
| US10281490B2 (en) | 2014-12-09 | 2019-05-07 | Boe Technology Group Co., Ltd. | Testing probe for testing liquid crystal screen and testing device comprising the same |
| WO2016090843A1 (en) * | 2014-12-09 | 2016-06-16 | 京东方科技集团股份有限公司 | Test probe and test equipment |
| CN105182013A (en) * | 2015-08-28 | 2015-12-23 | 京东方科技集团股份有限公司 | Display panel testing clamp |
| CN105182013B (en) * | 2015-08-28 | 2018-07-10 | 京东方科技集团股份有限公司 | A kind of display panel test fixture |
| CN105222990A (en) * | 2015-10-13 | 2016-01-06 | 广州万孚生物技术股份有限公司 | Light-emitting component measurement jig |
| CN108267618A (en) * | 2017-01-03 | 2018-07-10 | 东捷科技股份有限公司 | Fixture with extensible probe |
| CN107807324A (en) * | 2017-10-21 | 2018-03-16 | 上海御渡半导体科技有限公司 | A kind of clamping device of the circuit board with detection function |
| CN107909951A (en) * | 2017-11-14 | 2018-04-13 | 合肥鑫晟光电科技有限公司 | A kind of panel tester |
| CN111435140A (en) * | 2018-12-26 | 2020-07-21 | 致茂电子(苏州)有限公司 | Clamp type testing device |
| TWI706150B (en) * | 2018-12-26 | 2020-10-01 | 致茂電子股份有限公司 | Clipped testing device |
| CN111435140B (en) * | 2018-12-26 | 2023-03-10 | 致茂电子(苏州)有限公司 | Clamp type testing device |
| CN113063532A (en) * | 2019-12-30 | 2021-07-02 | 中核北方核燃料元件有限公司 | Fuel element grid clamping force detection device and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130619 |
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| CX01 | Expiry of patent term |