CN110148369A - A kind of testing impedance pressure head - Google Patents
A kind of testing impedance pressure head Download PDFInfo
- Publication number
- CN110148369A CN110148369A CN201910515470.4A CN201910515470A CN110148369A CN 110148369 A CN110148369 A CN 110148369A CN 201910515470 A CN201910515470 A CN 201910515470A CN 110148369 A CN110148369 A CN 110148369A
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- Prior art keywords
- briquetting
- pressure head
- testing impedance
- fpc plate
- impedance pressure
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- 238000012360 testing method Methods 0.000 title claims abstract description 68
- 238000003825 pressing Methods 0.000 claims description 13
- 238000005868 electrolysis reaction Methods 0.000 claims description 8
- 238000009413 insulation Methods 0.000 claims description 7
- 230000000694 effects Effects 0.000 abstract description 6
- 238000005516 engineering process Methods 0.000 abstract description 6
- 238000005259 measurement Methods 0.000 abstract description 5
- 238000002788 crimping Methods 0.000 description 16
- 238000006073 displacement reaction Methods 0.000 description 5
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 3
- 239000010931 gold Substances 0.000 description 3
- 229910052737 gold Inorganic materials 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/006—Electronic inspection or testing of displays and display drivers, e.g. of LED or LCD displays
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Measuring Leads Or Probes (AREA)
Abstract
The present invention relates to display panel the field of test technology, disclose a kind of testing impedance pressure head, including test suite and briquetting, wherein, the test suite includes connection component and gauge head component, the gauge head component is set on the connection component, and the gauge head component is the FPC plate with test conduction portion, and the FPC plate can be tilted on incision part to be measured and be contacted with the part to be measured；The briquetting is configured as fixing the test suite.It is contacted by cutting the inclination of FPC plate on part to be measured with part to be measured, the mode of inclination contact increases the contact area of the golden finger of FPC plate and the hard contact of display panel, contact effect of the golden finger with hard contact is also ensured simultaneously, the possibility for contact of floating is avoided, so as to carry out the measurement of accurate impedance value to display panel.
Description
Technical field
The present invention relates to display panel the field of test technology more particularly to a kind of testing impedance pressure heads.
Background technique
In field of display technology, Organic Light Emitting Diode (Organic Light-Emitting Diode, OLED) is aobvious
The technology of showing have many advantages, such as self-luminous, wide viewing angle, almost infinite high contrast, compared with low power consumption, high reaction speed, generally answer
For in the display panels such as TV, mobile phone, tablet computer.Continuous improvement with people to electronic equipment demand for control, has
The display panel of touch function receives more and more attention.
For having used the display panel of OLED technology, in production process, need to carry out multiple parameters to display panel
Detection, such as color saturation, impedance value.Wherein, impedance value be measure the display panel whether a He Ge important finger
Mark, impedance value are plus voltage value on a display panel and the ratio between the current value that is passed through.
The prior art is when the impedance value to the display panel detects, the main side using pressure head crimping display panel
Formula is tested, and is controlled signal and generally passed through the external electricals such as flexible circuit board (Flexible Printed Circuit, FPC)
Road is passed to display panel, this is just needed flexible circuit board and display panel binding (bonding), namely passes through flexible circuit board
On PIN needle (i.e. golden finger) and hard contact corresponding on display panel (PAD point) bind so that signal is from flexible circuit board
Incoming display panel.
During pressure head crimps display panel, contact effect of the golden finger with hard contact will affect the resistance detected
The accuracy of anti-value.Existing pressure head is to contact golden finger face hard contact when crimping display panel, golden finger and gold
The contact area of category contact is smaller or does not completely attach to, causes the impedance value measured inaccurate.
In view of the above shortcomings, the designer, is actively subject to research and innovation, to found a kind of new structural impedance
Testing pressure head makes it with more the utility value in industry.
Summary of the invention
It is an object of the invention to propose a kind of testing impedance pressure head, it is capable of increasing the golden finger and display panel of FPC plate
Hard contact contact area, realize and carry out the measurement of accurate impedance value to display panel.
To achieve this purpose, the present invention adopts the following technical scheme:
A kind of testing impedance pressure head, including test suite and briquetting, in which:
The test suite includes connection component and gauge head component, and the gauge head component is set on the connection component,
The gauge head component be the FPC plate with test conduction portion, and the conducting face in the test conduction portion of the FPC plate with it is to be measured
The electrolysis of part is in a slanted angle；
The briquetting is configured as fixing the test suite.
It is in a slanted angle, the i.e. impedance by making the conducting face in test conduction portion of FPC plate and the electrolysis of part to be measured
Testing pressure head can make to contact on FPC plate inclination incision part to be measured with part to be measured, and the mode of inclination contact increases the gold of FPC plate
The contact area of the hard contact of finger and display panel, while also ensuring contact effect of the golden finger with hard contact, it keeps away
The possibility contacted of floating is exempted from, so as to carry out the measurement of accurate impedance value to display panel.
As a kind of preferred embodiment of above-mentioned testing impedance pressure head, the briquetting includes the first briquetting and the second briquetting,
The fixed gauge head component of second briquetting, second briquetting connect first briquetting and being capable of relatively described first pressures
Block is mobile.When due to crimping test, therefore the desired displacement very little of FPC plate only need to make the second briquetting micro- with respect to the first briquetting
It is mobile, by keeping the second briquetting dynamic with respect to the first briquetting micro-shifting, to meet the displacement that gauge head component is needed in crimping.
As a kind of preferred embodiment of above-mentioned testing impedance pressure head, it is equipped at the top of second briquetting and supports the test
The support portion of component, the supporting surface of the support portion are inclined-plane.By setting inclined-plane for the supporting surface of support portion, can make
The inclination of FPC plate is cut and is contacted on part to be measured with part to be measured.
As a kind of preferred embodiment of above-mentioned testing impedance pressure head, the tilt angle of the relatively described electrolysis in the inclined-plane
It is 10 °~40 °.The tilt angle can satisfy the golden finger of FPC plate and the contact area of the hard contact of display panel is larger.
As a kind of preferred embodiment of above-mentioned testing impedance pressure head, the connection component includes pressing the FPC plate
Pressing plate in the inclined-plane.Pressing plate can generate movement in crimping to avoid FPC plate, it is ensured that the accuracy of crimping.
As a kind of preferred embodiment of above-mentioned testing impedance pressure head, the pressing plate and the inclined-plane magnetic cooperate.Magnetic
The structure of cooperation is simple, easy processing.
As a kind of preferred embodiment of above-mentioned testing impedance pressure head, the support portion can be held on first briquetting
Top.I.e. the top of the first briquetting can keep out support portion, and support portion is prevented to continue to move to, and avoid crimping excessive and damaging aobvious
Show panel.
As a kind of preferred embodiment of above-mentioned testing impedance pressure head, second briquetting passes through miniature guide rail and described the
The connection of one briquetting.The structure of miniature guide rail can realize that the second briquetting is dynamic with respect to the micro-shifting of the first briquetting.
As a kind of preferred embodiment of above-mentioned testing impedance pressure head, connect between second briquetting and first briquetting
It is connected to reset spring.Using reset spring, the second briquetting returning quickly can be enable after crimping.
As a kind of preferred embodiment of above-mentioned testing impedance pressure head, the FPC plate connects at the test conduction portion
It is connected to insulation cushion.It can avoid display panel using insulation cushion and generate damage during crimping.
The invention has the benefit that the conducting face in the test conduction portion by making FPC plate and the electrolysis of part to be measured are in
One slanted angle, i.e. the testing impedance pressure head can make to contact on FPC plate inclination incision part to be measured with part to be measured, inclination contact
Mode increases the contact area of the golden finger of FPC plate and the hard contact of display panel, while also ensuring golden finger and gold
The contact effect for belonging to contact avoids the possibility for contact of floating, so as to carry out the survey of accurate impedance value to display panel
Amount.
Detailed description of the invention
Fig. 1 is the structural schematic diagram for the testing impedance pressure head that the specific embodiment of the invention provides；
Fig. 2 is the Structure explosion diagram for the testing impedance pressure head that the specific embodiment of the invention provides.
In figure: 10- pressing plate, 20- gauge head component, 21- insulation cushion, 30- briquetting, the first briquetting of 31-, the second briquetting of 32-,
33- support portion, the inclined-plane 34-, 35- miniature guide rail.
Specific embodiment
To keep the technical problems solved, the adopted technical scheme and the technical effect achieved by the invention clearer, below
It will the technical scheme of the embodiment of the invention will be described in further detail in conjunction with attached drawing, it is clear that described embodiment is only
It is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those skilled in the art exist
Every other embodiment obtained under the premise of creative work is not made, shall fall within the protection scope of the present invention.
In the description of the present invention unless specifically defined or limited otherwise, term " connected ", " connection ", " fixation " are answered
It is interpreted broadly, for example, it may be being fixedly connected, may be a detachable connection, or is integral；It can be mechanical connection,
It can be electrical connection；It can be directly connected, the company inside two elements can also be can be indirectly connected through an intermediary
Logical or two elements interaction relationship.For the ordinary skill in the art, can be understood with concrete condition above-mentioned
The concrete meaning of term in the present invention.
In the present invention unless specifically defined or limited otherwise, fisrt feature second feature "upper" or "lower"
It may include that the first and second features directly contact, also may include that the first and second features are not direct contacts but pass through it
Between other characterisation contact.Moreover, fisrt feature includes the first spy above the second feature " above ", " above " and " above "
Sign is right above second feature and oblique upper, or is merely representative of first feature horizontal height higher than second feature.Fisrt feature exists
Second feature " under ", " lower section " and " following " include that fisrt feature is directly below and diagonally below the second feature, or is merely representative of
First feature horizontal height is less than second feature.
As shown in Fig. 1 to 2, testing impedance pressure head of the invention is used to carry out display panel the test of crimping impedance, should
Testing impedance pressure head includes test suite and briquetting 30, wherein test suite includes connection component and gauge head component 20, gauge head group
Part 20 is set on connection component, and gauge head component 20 is the FPC plate with test conduction portion, and the test conduction portion of FPC plate
The electrolysis of conducting face and part to be measured is in a slanted angle；Briquetting 30 is configured as fixed test suite.By the survey for making FPC plate
The electrolysis in the conducting face and part to be measured of trying conducting portion is in a slanted angle, i.e. the testing impedance pressure head can be such that FPC plate tilts
It cuts and is contacted on part to be measured with part to be measured, the metal of golden finger and display panel that the mode of inclination contact increases FPC plate touches
The contact area of point, while also ensuring contact effect of the golden finger with hard contact, the possibility for contact of floating is avoided, thus
The measurement of accurate impedance value can be carried out to display panel.
For 30 structure of briquetting of fixed test suite, in the present invention, briquetting 30 includes the first briquetting 31 and the second briquetting
32, the fixed gauge head component 20 of the second briquetting 32, the second briquetting 32 connect with the first briquetting 31 and being capable of opposite first briquetting 31 shifting
It is dynamic.When due to crimping test, therefore the desired displacement very little of FPC plate need to only make opposite first briquetting 31 of the second briquetting 32 micro-
It is mobile, by keeping opposite first briquetting, 31 micro-shifting of the second briquetting 32 dynamic, to meet the displacement that gauge head component 20 is needed in crimping
Amount.Specifically, the second briquetting 32 is connect by miniature guide rail 35 with the first briquetting 31, and the second briquetting 32 and the first briquetting 31 it
Between be connected with reset spring.The structure of miniature guide rail 35 can realize that the micro-shifting of opposite first briquetting 31 of the second briquetting 32 is dynamic.For
Reset spring can be fixed on the first briquetting 31 by the connection of reset spring, and the second briquetting 32 is connect with reset spring.It utilizes
Reset spring can enable 32 returning quickly of the second briquetting after crimping.
For the connection type of briquetting 30 and test suite, the present invention is equipped with support test suite at the top of the second briquetting 32
Support portion 33, the supporting surface of support portion 33 is inclined-plane 34.By setting inclined-plane 34 for the supporting surface of support portion 33, can make
The inclination of FPC plate is cut and is contacted on part to be measured with part to be measured.Preferably, the tilt angle in 34 opposing crimp face of inclined-plane be 10 °~
40°.The tilt angle can satisfy the golden finger of FPC plate and the contact area of the hard contact of display panel is larger.In addition, even
Connected components include the pressing plate 10 pressed FPC plate in inclined-plane 34, and pressing plate 10 can generate movement in crimping to avoid FPC plate, really
The accuracy that pressure maintaining connects.In the present invention, pressing plate 10 and 34 magnetic of inclined-plane are cooperated for fixation for pressing plate 10.Magnetic cooperation
Structure is simple, easy processing.For example, installing the magnet of multiple absorption pressing plates 10 on inclined-plane 34, the fixation of pressing plate 10 can be realized.
In order to limit the displacement that support portion 33 carries FPC plate, the support portion 33 in the present invention can be held on the first pressure
The top of block 31.That is the top of the first briquetting 31 can keep out support portion 33, prevent support portion 33 from continuing to move to, avoid crimping
Head and damage display panel.
As the preferred embodiment of the present invention, the present invention is connected with insulation cushion in FPC plate at test conduction portion
21, the material of insulation cushion 21 is polyurethane, can avoid display panel using insulation cushion 21 and generates damage during crimping
Wound.
To sum up, testing impedance pressure head of the invention is capable of increasing the golden finger of FPC plate and the hard contact of display panel
Contact area realizes the measurement that accurate impedance value is carried out to display panel.
The technical principle of the invention is described above in combination with a specific embodiment.These descriptions are intended merely to explain of the invention
Principle, and shall not be construed in any way as a limitation of the scope of protection of the invention.Based on the explanation herein, the technology of this field
Personnel can associate with other specific embodiments of the invention without creative labor, these modes are fallen within
Within protection scope of the present invention.
Claims (10)
1. a kind of testing impedance pressure head, which is characterized in that including test suite and briquetting (30), in which:
The test suite includes connection component and gauge head component (20), and the gauge head component (20) is set to the connection component
On, the gauge head component (20) is the FPC plate with test conduction portion, and the conducting in the test conduction portion of the FPC plate
The electrolysis of face and part to be measured is in a slanted angle；
The briquetting (30) is configured as fixing the test suite.
2. testing impedance pressure head according to claim 1, which is characterized in that the briquetting (30) includes the first briquetting (31)
With the second briquetting (32), the fixed gauge head component (20) of second briquetting (32), described in the second briquetting (32) connection
First briquetting (31) simultaneously can be mobile relative to first briquetting (31).
3. testing impedance pressure head according to claim 2, which is characterized in that be equipped with support at the top of second briquetting (32)
The support portion (33) of the test suite, the supporting surface of the support portion (33) are inclined-plane (34).
4. testing impedance pressure head according to claim 3, which is characterized in that the relatively described electrolysis of inclined-plane (34)
Tilt angle is 10 °~40 °.
5. testing impedance pressure head according to claim 3, which is characterized in that the connection component includes by the FPC plate
Press the pressing plate (10) in the inclined-plane (34).
6. testing impedance pressure head according to claim 5, which is characterized in that the pressing plate (10) and the inclined-plane (34) magnetic
Inhale cooperation.
7. testing impedance pressure head according to claim 3, which is characterized in that the support portion (33) can be held on described
The top of first briquetting (31).
8. testing impedance pressure head according to claim 2, which is characterized in that second briquetting (32) passes through miniature guide rail
(35) it is connect with first briquetting (31).
9. testing impedance pressure head according to claim 8, which is characterized in that second briquetting (32) and first pressure
Block is connected with reset spring between (31).
10. testing impedance pressure head according to claim 1, which is characterized in that the FPC plate is close to the test conduction portion
Place is connected with insulation cushion (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910515470.4A CN110148369B (en) | 2019-06-14 | 2019-06-14 | Impedance test pressure head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910515470.4A CN110148369B (en) | 2019-06-14 | 2019-06-14 | Impedance test pressure head |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110148369A true CN110148369A (en) | 2019-08-20 |
| CN110148369B CN110148369B (en) | 2022-10-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910515470.4A Active CN110148369B (en) | 2019-06-14 | 2019-06-14 | Impedance test pressure head |
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| Country | Link |
|---|---|
| CN (1) | CN110148369B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112444712A (en) * | 2019-08-27 | 2021-03-05 | 深南电路股份有限公司 | Circuit board impedance detection method and circuit board for testing |
| WO2021175084A1 (en) * | 2020-03-06 | 2021-09-10 | 深圳精智达技术股份有限公司 | Crimping jig and detection device |
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| CN109830198A (en) * | 2019-04-09 | 2019-05-31 | 苏州精濑光电有限公司 | A kind of impedance detection device |
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2019
- 2019-06-14 CN CN201910515470.4A patent/CN110148369B/en active Active
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| CN1580793A (en) * | 2003-12-12 | 2005-02-16 | 友达光电股份有限公司 | Method for measuring contact impedance of junction point of liquid crystal display panel and liquid crystal display panel |
| CN106940976A (en) * | 2016-12-23 | 2017-07-11 | 武汉精测电子技术股份有限公司 | A kind of FOG LCD screens automatic crimping structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2021175084A1 (en) * | 2020-03-06 | 2021-09-10 | 深圳精智达技术股份有限公司 | Crimping jig and detection device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110148369B (en) | 2022-10-25 |
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