CN202149991U - Conductive adhesive and fixing device for shorting bar in liquid crystal display (LCD) panel detection device - Google Patents
Conductive adhesive and fixing device for shorting bar in liquid crystal display (LCD) panel detection device Download PDFInfo
- Publication number
- CN202149991U CN202149991U CN201120282032U CN201120282032U CN202149991U CN 202149991 U CN202149991 U CN 202149991U CN 201120282032 U CN201120282032 U CN 201120282032U CN 201120282032 U CN201120282032 U CN 201120282032U CN 202149991 U CN202149991 U CN 202149991U
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- conducting resinl
- conductive adhesive
- shaped
- circuit board
- printed circuit
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Abstract
The utility model relates to a conductive adhesive and fixing device for a shorting bar in a liquid crystal display (LCD) panel detection device. The conductive adhesive and fixing device comprises an L-shaped conductive adhesive jig (1), a printed circuit board (2), conductive adhesive pressure blocks (4) and conductive adhesives (5); An L-shaped through groove is arranged on the L-shaped conductive adhesive jig (1); a ladder-shaped through groove is arranged on each of the conductive adhesives (5); a through groove which is matched with each of the conductive adhesives (5) in shape is arranged on each of the conductive adhesive pressure blocks (4); the L-shaped conductive adhesive jig (1) is fixed on a machine table; a metal layer (3) of the printed circuit board is attached in the L-shaped through groove of the L-shaped conductive adhesive jig (1); and the conductive adhesive pressure blocks (4) and the conductive adhesives (5) are tightly pressed in the L-shaped through groove of the L-shaped conductive adhesive jig (1) and connected with the metal layer (3) of the printed circuit board. In the utility model, the shapes of the conductive adhesives are designed to have ladder-shaped through grooves, and the conductive adhesive pressure blocks are matched with the conductive adhesives, so that the conductive adhesives are difficult to fall; and the shape of the L-shaped conductive adhesive jig fully fixes the conductive adhesives, therefore, the extrusion deformation is effectively prevented.
Description
Technical field
The utility model relates to a kind of liquid crystal display panel testing device, the stationary installation of short-circuit rods conducting resinl on the board of especially lighting a lamp, specifically a kind of stationary installation of conducting resinl.
Background technology
At present, liquid crystal indicator comprises the thin film transistor base plate that is formed with thin film transistor (TFT), is formed with the subtend substrate and the display panels of liquid crystal layer between these members of color filter layers etc. usually.In the manufacturing step of display panels, requiring to carry out multiple inspection has zero defect with substrate or the display panels of confirming making in each step.
In this kind inspection, array test (array test), vision-based detection (visual inspection, VI), whole tests (gross test, G/T), final test (final test) etc. are arranged.
Vision-based detection wherein means to be accomplished after the display panels, applies the inspection signal through the short-circuit rods (shorting bar) that links RCAs such as gate line and data line, and inspection RCA or pixel have the test of zero defect.
In the manufacturing step of display panels, remove short-circuit rods and can't check that RCA or pixel have zero defect by vision-based detection afterwards, need afterwards to carry out all tests by testing fixture with probe unit.All test system makes the probe that possesses in the probe unit be contacted with RCA pads such as each gate pad and data pad respectively, applies indivedual inspection signals to RCA through probe afterwards, checks that by this RCA has zero defect and each pixel that flawless method is arranged.
Yet; All tests that utilization has the testing fixture implementation of probe unit have problem points, that is, and and in order to be that unit applies indivedual inspection signals with the RCA; Need the more time in the process of RCA pad in probe correctly is contacted with, thereby inspection speed descends.In addition, have following problem points, that is, probe not shock-resistant in continuous test repeatedly can be crooked or damaged, when producing the situation of contact deficiency between probe and the RCA pad thus, and the actual RCA or the defects detection ability drop of each pixel.
Summary of the invention
The purpose of the utility model is not shock-resistant and cause bending or damaged problem to the board middle probe unit that lights a lamp at present, proposes a kind of short-circuit rods conducting resinl structure of shock-resistant and difficult drop-off.Simultaneously can import the IC signal that simulates, detect oblique distribution and break.
The technical scheme of the utility model is:
The utility model provides the conducting resinl and the stationary installation of a kind of board short-circuit rods of lighting a lamp (shorting bar); It comprises L type conducting resinl tool (CLAMP), printed circuit board (pcb board), conducting resinl briquetting and conducting resinl; It is characterized in that described L type conducting resinl tool (CLAMP) is provided with L type groove; Conducting resinl is provided with stepped groove, and the conducting resinl briquetting is provided with the groove that coincide with the conducting resinl shape; L type conducting resinl tool (CLAMP) is installed on the board short-circuit rods of lighting a lamp (shorting bar); Printed circuit board (pcb board) contains metal level; And next-door neighbour card invests in the L type groove of L type conducting resinl tool, and it is interior and link to each other with the printed circuit board that contains metal level (pcb board) that conducting resinl briquetting and conducting resinl compress the L type groove that places L type conducting resinl tool.
The surface of the printed circuit board of the utility model has a metal level, and the part that this printed circuit board has metal level is connected with conducting resinl.
The width of the metal level of the printed circuit board of the utility model is greater than or equal to the width of conducting resinl.
The conducting resinl briquetting of the utility model passes through screw retention on printed circuit board and L type conducting resinl tool.
The display panel testing of the utility model is the machine of lighting a lamp.
The beneficial effect of the utility model:
The utility model is the structure with stepped groove with the shaped design of conducting resinl, and the conducting resinl briquetting is cooperated with it, makes the conducting resinl difficult drop-off.
The profile of the utility model L type conducting resinl tool is completely fixed conducting resinl, effectively prevents crimp.
The printed circuit board of the utility model (pcb board) surface gold-plating has strengthened conduction.
Description of drawings
Fig. 1 is the structural representation of the utility model.
Fig. 2 is the STRUCTURE DECOMPOSITION synoptic diagram of the utility model.
Fig. 3 is the structural entity synoptic diagram of the utility model.
Fig. 4 is the prior art constructions synoptic diagram.
Fig. 5 is the prior art constructions decomposing schematic representation.
Wherein: 1, L type conducting resinl tool (CLAMP); 2, printed circuit board (pcb board); 3, the metal level of printed circuit board; 4, conducting resinl briquetting; 5, conducting resinl; 6, load plate; 7, display panels; 8, conducting resinl is being pressed the zone.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is further described.
As shown in Figure 1; The conducting resinl of short-circuit rods and stationary installation thereof in a kind of liquid crystal display panel testing device; It comprises L type conducting resinl tool 1, printed circuit board 2, the metal level 3 of printed circuit board, conducting resinl briquetting 4, conducting resinl 5; Described L type conducting resinl tool 1 is provided with L type groove, and described conducting resinl 5 is provided with stepped groove, and described conducting resinl briquetting 4 is provided with the groove that coincide with said conducting resinl 5 shapes.
L type conducting resinl tool 1 is installed on the machine of lighting a lamp; Said printed circuit board 2 cards invest in the L type groove of said L type conducting resinl tool 1, a plurality of conducting resinl briquettings 4 and corresponding a plurality of conducting resinls 5 are compressed in the L type groove that places said L type conducting resinl tool 1 contact with the metal level 3 of said printed circuit board 2.Through screw conducting resinl briquetting 4 is fixed on the metal level 3 and L type conducting resinl tool 1 of printed circuit board.
When cell is carried out the fracture of oblique distribution and detects, Driver IC pad is being pressed in the zone 8 of pressing of each conducting resinl, analog D river IC signal is checked.
Claims (5)
1. the conducting resinl and the stationary installation thereof of short-circuit rods in the liquid crystal display panel testing device; It comprises L type conducting resinl tool (1), printed circuit board (2), conducting resinl briquetting (4), conducting resinl (5); It is characterized in that described L type conducting resinl tool (1) is provided with L type groove; Described conducting resinl (5) is provided with stepped groove, and described conducting resinl briquetting (4) is provided with the groove that coincide with said conducting resinl (5) shape; Described L type conducting resinl tool (1) is installed on the display panel testing; Said printed circuit board (2) card invests in the L type groove of said L type conducting resinl tool (1), and said conducting resinl briquetting (4) compresses with said conducting resinl (5) that the L type groove that places said L type conducting resinl tool (1) is interior to link to each other with said printed circuit board (2).
2. the conducting resinl and the stationary installation thereof of short-circuit rods in the liquid crystal display panel testing device according to claim 1; The surface that it is characterized in that described printed circuit board (2) has a metal level, and the part that this printed circuit board (2) has metal level is connected with conducting resinl (5).
3. the conducting resinl and the stationary installation thereof of short-circuit rods in the liquid crystal display panel testing device according to claim 2 is characterized in that the width of the metal level (3) of described printed circuit board is greater than or equal to the width of conducting resinl (5).
4. the conducting resinl and the stationary installation thereof of short-circuit rods in the liquid crystal display panel testing device according to claim 1 is characterized in that described conducting resinl briquetting (4) passes through screw retention on printed circuit board (2) and L type conducting resinl tool (1).
5. the conducting resinl and the stationary installation thereof of short-circuit rods in the liquid crystal display panel testing device according to claim 1 is characterized in that described display panel testing is the machine of lighting a lamp.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120282032U CN202149991U (en) | 2011-08-04 | 2011-08-04 | Conductive adhesive and fixing device for shorting bar in liquid crystal display (LCD) panel detection device |
| TW101201897U TWM433566U (en) | 2011-08-04 | 2012-02-02 | Conductive adhesive of shorting bar and fixing device thereof of LCD testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120282032U CN202149991U (en) | 2011-08-04 | 2011-08-04 | Conductive adhesive and fixing device for shorting bar in liquid crystal display (LCD) panel detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202149991U true CN202149991U (en) | 2012-02-22 |
Family
ID=45591044
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120282032U Expired - Fee Related CN202149991U (en) | 2011-08-04 | 2011-08-04 | Conductive adhesive and fixing device for shorting bar in liquid crystal display (LCD) panel detection device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN202149991U (en) |
| TW (1) | TWM433566U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014059627A1 (en) * | 2012-10-17 | 2014-04-24 | Zhao Lin | Connection device for lcd-testing equipment |
| WO2014059630A1 (en) * | 2012-10-17 | 2014-04-24 | Zhao Lin | Base-type connection device for testing liquid crystal displays |
| CN105913789A (en) * | 2016-06-24 | 2016-08-31 | 苏州华兴源创电子科技有限公司 | Conductive block for measuring rising time of liquid crystal screen module and detection device comprising conductive block |
-
2011
- 2011-08-04 CN CN201120282032U patent/CN202149991U/en not_active Expired - Fee Related
-
2012
- 2012-02-02 TW TW101201897U patent/TWM433566U/en not_active IP Right Cessation
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014059627A1 (en) * | 2012-10-17 | 2014-04-24 | Zhao Lin | Connection device for lcd-testing equipment |
| WO2014059630A1 (en) * | 2012-10-17 | 2014-04-24 | Zhao Lin | Base-type connection device for testing liquid crystal displays |
| CN105913789A (en) * | 2016-06-24 | 2016-08-31 | 苏州华兴源创电子科技有限公司 | Conductive block for measuring rising time of liquid crystal screen module and detection device comprising conductive block |
| CN105913789B (en) * | 2016-06-24 | 2022-11-18 | 苏州华兴源创科技股份有限公司 | Conductive block for measuring rising edge time of liquid crystal display module and detection device comprising same |
Also Published As
| Publication number | Publication date |
|---|---|
| TWM433566U (en) | 2012-07-11 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120222 Termination date: 20150804 |
|
| EXPY | Termination of patent right or utility model |