CN202421677U - Connecting device for liquid crystal display - Google Patents
Connecting device for liquid crystal display Download PDFInfo
- Publication number
- CN202421677U CN202421677U CN2011205664157U CN201120566415U CN202421677U CN 202421677 U CN202421677 U CN 202421677U CN 2011205664157 U CN2011205664157 U CN 2011205664157U CN 201120566415 U CN201120566415 U CN 201120566415U CN 202421677 U CN202421677 U CN 202421677U
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- China
- Prior art keywords
- substrate
- coupling arrangement
- lcd
- public electrode
- mesh
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- 239000004973 liquid crystal related substance Substances 0.000 title description 6
- 239000000758 substrate Substances 0.000 claims abstract description 95
- 229910052751 metal Inorganic materials 0.000 claims abstract description 35
- 239000002184 metal Substances 0.000 claims abstract description 35
- 230000008878 coupling Effects 0.000 claims description 52
- 238000010168 coupling process Methods 0.000 claims description 52
- 238000005859 coupling reaction Methods 0.000 claims description 52
- 239000002002 slurry Substances 0.000 claims description 39
- 239000012528 membrane Substances 0.000 claims description 18
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 16
- 229910052709 silver Inorganic materials 0.000 claims description 16
- 239000004332 silver Substances 0.000 claims description 16
- 239000003292 glue Substances 0.000 abstract description 7
- 239000000853 adhesive Substances 0.000 abstract 1
- 230000001070 adhesive effect Effects 0.000 abstract 1
- 239000012811 non-conductive material Substances 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000010409 thin film Substances 0.000 description 3
- 229910000897 Babbitt (metal) Inorganic materials 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 238000012797 qualification Methods 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000001387 multinomial test Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
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Abstract
The utility model provides a connecting device for LCD, wherein, connecting device includes: a substrate with mesh openings; and a metal paste on the substrate. Here, the metal paste is used as the connecting member, and the use of a nonconductive material such as an adhesive glue is avoided, thereby preventing the problem of a large resistance of the connecting device. Meanwhile, the substrate with the mesh holes is used as a part for bearing the metal paste, so that the problem of breakage of the metal paste is solved, and the reliability of the connecting device is ensured.
Description
Technical field
The utility model relates to the display technology field, particularly a kind of coupling arrangement that is used for LCD.
Background technology
Thin Film Transistor-LCD (TFT-LCD) have low-voltage, little power consumption, display message amount big, be easy to advantage such as colorize, occupied leading position in current monitor market.It has been widely used in the electronic equipments such as robot calculator, electronic notebook, mobile phone, video camera, HDTV.
Thin Film Transistor-LCD comprises array base palte and the color membrane substrates that box is formed, and is filled in the liquid crystal layer in the gap between array base palte and the color membrane substrates.The ultimate principle of said Thin Film Transistor-LCD display image is: through on said array base palte and color membrane substrates, applying the electric field that acts on the liquid crystal layer; Control the orientation of said liquid crystal layer molecule; Thereby control penetrated what of irradiation light of liquid crystal layer molecule, promptly reached the purpose of modulation through the light intensity of liquid crystal layer.
Said color membrane substrates is provided with the public electrode of transmission common electric voltage; Be provided with the electronic pads of transmission common electric voltage on the said array base palte equally; In order to make the common electric voltage on said color membrane substrates and the said array base palte have identical current potential; In the prior art, will the public electrode on the said color membrane substrates be connected with electronic pads on the said array base palte through coupling arrangement.
One of prior art has proposed, and utilizes metal wire to be electrically connected said public electrode and electronic pads, simultaneously, utilizes viscosity glue to make said metal wire physically be connected with said public electrode and electronic pads respectively.Metal wire has good electric conductivity; Viscosity glue has good viscosity again; But, in said metal wire and said public electrode or said metal wire and said electronic pads junction, because the cause of viscosity glue; Make that the resistance of these two contact positions is bigger, thereby influenced the performance of LCD.
For this reason, two of prior art has proposed again, utilizes silver slurry (silver paste) to connect said public electrode and electronic pads.Please refer to Fig. 1, it is to utilize the silver slurry to connect the public electrode of LCD and the structural representation of electronic pads in the prior art.As shown in Figure 1, in existing IPS mode LCD, comprising: array base palte 10 and be arranged at the electronic pads 11 on the said array base palte 10; Color membrane substrates 12 and be arranged at the public electrode 13 on the said color membrane substrates 12.After said array base palte 10 and 12 pairs of boxes of color membrane substrates, outside said electronic pads 11 and public electrode 13 are exposed to,, connect said electronic pads 11 and public electrode 13 through silver slurry 14 at this.But, owing to have difference in height between said electronic pads 11 and the said public electrode 13, perhaps being referred to as step, said silver slurry 14 tends to rupture.As shown in Figure 1; At this; Fracture takes place and is divided into first silver medal slurry portion 140 that is connected with electronic pads 11 and the second silver medal slurry portion 141 that is connected with public electrode 13 in said silver slurry 14; Have gap A between the said first silver medal slurry portion 140 and the second silver medal slurry portion 141, promptly owing to this fracture defective, said electronic pads 11 can not be electrically connected with public electrode 13.Promptly utilize the reliability of silver slurry said public electrode of connection and electronic pads not high.
The utility model content
The purpose of the utility model is to provide a kind of coupling arrangement that is used for LCD, to solve the big or lower problem of reliability of coupling arrangement resistance in the prior art.
For solving the problems of the technologies described above, the utility model provides a kind of coupling arrangement that is used for LCD, comprising:
Have the substrate of mesh; And
Be positioned at said suprabasil metal slurry.
Optional, at the described coupling arrangement that is used for LCD, said substrate is metallic substrates or organism substrate.
Optional, at the described coupling arrangement that is used for LCD, said metal slurry is the silver slurry.
Optional, at the described coupling arrangement that is used for LCD, the density of said mesh is 20/cm
2～200/cm
2
Optional, at the described coupling arrangement that is used for LCD, said mesh be shaped as circle.
Optional, at the described coupling arrangement that is used for LCD, the diameter of said mesh is 15 μ m～0.1mm.
Optional, at the described coupling arrangement that is used for LCD, the thickness of said substrate is 0.05mm～0.5mm.
Optional, at the described coupling arrangement that is used for LCD, said substrate be shaped as an arc surface.
Optional, at the described coupling arrangement that is used for LCD, said substrate comprises an arc surface and two planes that are connected with two parallel sides of this arc surface respectively.
Optional, at the described coupling arrangement that is used for LCD, said LCD comprises: array base palte and be arranged at the electronic pads on the said array base palte; Color membrane substrates and be arranged at the public electrode on the said color membrane substrates; Said coupling arrangement is connected with said electronic pads and public electrode respectively.
At the coupling arrangement that is used for LCD that the utility model provides, utilize the metal slurry as link, avoid the use of this type of non-conductive thing of viscosity glue, thereby prevented the bigger problem of coupling arrangement resistance.Simultaneously, utilization has the parts of the substrate of mesh as the bearing metal slurry, thereby has prevented that the metal slurry from the problem of fracture taking place, and has guaranteed the reliability of coupling arrangement.
Description of drawings
Fig. 1 utilizes the silver slurry to connect the public electrode of LCD and the structural representation of electronic pads in the prior art;
Fig. 2 is the structural representation of the substrate that has mesh of the utility model embodiment one;
Fig. 3 is the structural representation of the coupling arrangement of the utility model embodiment one;
Fig. 4 utilizes the connection public electrode of the coupling arrangement LCD that the utility model embodiment one provides and the structural representation of electronic pads;
Fig. 5 is the structural representation of the substrate that has mesh of the utility model embodiment two;
Fig. 6 is the structural representation of the substrate that has mesh of the utility model embodiment three.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment the coupling arrangement that is used for LCD that the utility model provides is done further explain.According to following explanation and claims, advantage of the utility model and characteristic will be clearer.What need explanation is, accompanying drawing all adopts the form of simplifying very much, only in order to convenient, the purpose of aid illustration the utility model embodiment lucidly.
Embodiment one
Please refer to Fig. 2, it is the structural representation of the substrate that has mesh of the utility model embodiment one.As shown in Figure 2, have a plurality of mesh 200 on the said base 20.Then, please refer to Fig. 3, it is the structural representation of the coupling arrangement of the utility model embodiment one.Like Fig. 2 and shown in Figure 3, said coupling arrangement 2 comprises: have the substrate 20 of mesh 200; And the metal that is positioned in the said substrate 20 is starched.
Please refer to Fig. 4, it is to utilize the connection public electrode of the coupling arrangement LCD that the utility model embodiment one provides and the structural representation of electronic pads.As shown in Figure 4, said LCD comprises: array base palte 40 and be arranged at the electronic pads 41 on the said array base palte 40; Color membrane substrates 42 and be arranged at the public electrode 43 on the said color membrane substrates 42.At this, after said array base palte 40 and 42 pairs of boxes of color membrane substrates, outside said electronic pads 41 and public electrode 43 were exposed to, then, the coupling arrangement 2 that present embodiment just capable of using provides connected said electronic pads 41 and public electrode 43.
Concrete, a side of said coupling arrangement 2 is connected with said electronic pads 41, and the opposite side relative with this side of said coupling arrangement 2 is connected with public electrode 43.At this moment; The metal slurry that is positioned in the said substrate 20 will be connected with electronic pads 41 and public electrode 43 respectively through mesh 200; Because metal slurry good electrical conductivity; With the link position of electronic pads 41 and public electrode 43, resistance is less, has avoided the excessive problem of junction resistance of using viscosity glue to be brought.Simultaneously, the metal slurry can be connected with electronic pads 41 and public electrode 43 again reliably, has guaranteed the reliability that contact position connects.
In order to make the electroconductive molecule in the metal slurry to be connected with electronic pads 41 and public electrode 43 through mesh 200; Simultaneously, this metal slurry again can and substrate 20 between have good switching performance, preferred; Said mesh be shaped as circle, the diameter of this circle mesh is 15 μ m～0.1mm.Under such mesh diameter; The electroconductive molecule that diameter is about the metal slurry of 10 μ m can effectively pass through mesh to electronic pads 41 and public electrode 43; Simultaneously this metal slurry again can and mesh between capillarity play tangible effect, from and with mesh 200 between can be effectively, be connected reliably.In other embodiment of the utility model, the shape of said mesh also can be ellipse, and at this moment, the minor axis length of this ellipse mesh 200 is preferably 15 μ m～0.1mm.Certainly, in other embodiment of the utility model, said mesh can also be other shapes, and the application does not do qualification to this.
Please continue with reference to figure 4, when utilizing these coupling arrangement 2 connection electrode pads 41 and public electrode 43, part metals slurry 21 will be connected with electronic pads 41 and public electrode 43 respectively through mesh 200, thereby play the effect of connection electrode pad 41 and public electrode 43.Simultaneously, substrate 20 also carries the part metals slurry, because the carrying of substrate 20, metal is starched the problem that will can not rupture, and has guaranteed the reliability of coupling arrangement 2 thus.
Further, the density of said mesh 200 is 20/cm
2～200/cm
2At this; Consider to need enough metal slurries through mesh 200 to electronic pads 41 and public electrode 43, simultaneously, guaranteed to carry in the said substrate 20 enough metal slurries again; Make coupling arrangement 2 can be effectively, connection electrode pad 41 and public electrode 43 reliably, effectively prevent the phenomenon of metal slurry fracture.
Further, said substrate 20 is metallic substrates or organism substrate.At first; Such substrate has electric conductivity, and particularly metallic substrates has good electrical conductivity, thereby this substrate 20 is except the metal slurry that has carried main connection effect; It can also assist the connection effect, the current potential between promptly auxiliary conduction electrode pad 41 and the public electrode 43.
Secondly, metal or organism all have certain pliability, and the substrate 20 of processing through metal or organism has possessed certain pliability equally.Known; It is poor to have certain height between electronic pads 41 and the public electrode 43; Promptly have certain " step "; Can do adaptive distortion according to this difference in height and have certain flexible substrate 20, thereby improve the reliability of coupling arrangement 2, guarantee reliable, effectively connection between electronic pads 41 and the public electrode 43.
Consider to make substrate 20 can have good pliability that preferred, the thickness of said substrate 20 is 0.05mm～0.5mm.Yi Zhi, substrate 20 is blocked up will to influence its pliability, make this substrate 20 can not adapt to this " step " shape well; And if substrate 20 is thin excessively, will influence the reliability of substrate 20 again, promptly be easy to take place bad accidents such as substrate 20 fractures; Therefore, the inventor is after multinomial test and experiment, when the thickness of realizing substrate 20 is 0.05mm～0.5mm; Promptly flexible demand can be satisfied, the requirement of reliability can be satisfied again.
In the present embodiment; Said metal slurry is the silver slurry; Silver slurry have good electrical conductivity and and electronic pads 41 and public electrode 43 between have the connectivity of reliability, thereby can guarantee coupling arrangement 2 effectively, connection electrode pad 41 and public electrodes 43 reliably.
The coupling arrangement that is used for LCD 2 that the utility model provides utilizes the metal slurry as link, avoids the use of this type of non-conductive thing of viscosity glue, thereby has prevented the bigger problem of coupling arrangement 2 resistance.Simultaneously, utilization has the parts of the substrate 20 of mesh 200 as the bearing metal slurry, thereby has prevented that the metal slurry from the problem of fracture taking place, and has guaranteed the reliability of coupling arrangement 2.
Embodiment two
The difference of present embodiment and embodiment one is that the shape of the substrate of being selected for use is different.Please refer to Fig. 5, it is the structural representation of the substrate that has mesh of the utility model embodiment two.As shown in Figure 5, in the present embodiment, substrate 50 has a plurality of mesh 500, said substrate 50 be shaped as an arc surface.In embodiment one, said substrate be shaped as a plane, when the shape of its need to fit " step ", what utilized is the pliability of substrate itself.And in the present embodiment; Said substrate 50 be shaped as an arc surface, promptly when forming this substrate, just consider the difference in height between electronic pads and the public electrode; Make the shape of substrate 50 difference in height between electronic pads and the public electrode of can fitting, thereby guarantee the reliability of coupling arrangement.In addition, because the substrate 50 of said arc surface can be good at fit electronic pads and public electrode, promptly need not to utilize the pliability of this substrate 50 to reach the purpose of " step " between applying electronic pads and the public electrode; At this moment; The thickness of said substrate 50 can reduce the technological requirement of substrate thin typeization, simultaneously thus greater than 0.5mm; Also can improve the reliability of substrate 50, it is bad to prevent sole fault etc.
The coupling arrangement with substrate 50 that provides through present embodiment can connect electronic pads and the public electrode on the color membrane substrates on the array base palte better, can corresponding reference implementation example one about the NM content of present embodiment, and present embodiment repeats no more at this.
Embodiment three
The difference of present embodiment and embodiment one is that the shape of the substrate of being selected for use is different.Please refer to Fig. 6, it is the structural representation of the substrate that has mesh of the utility model embodiment three.As shown in Figure 6, in the present embodiment, substrate 60 has a plurality of mesh 600, and said substrate 60 comprises an arc surface 61 and two planes 62 that are connected with 61 two parallel sides of this arc surface respectively.In embodiment one, said substrate be shaped as a plane, when the shape of its need to fit " step ", what utilized is the pliability of substrate itself.And in the present embodiment; Said substrate 60 comprises an arc surface 61 and two planes 62 that are connected with 61 two parallel sides of this arc surface respectively; Promptly when forming this substrate; Just consider the difference in height between electronic pads and the public electrode, utilize arc surface 61 to make the shape of substrate 60 difference in height between electronic pads and the public electrode of can fitting, thereby guarantee the reliability of coupling arrangement.Simultaneously, this substrate 60 can utilize two planes, 62 good and electronic pads and the public electrode applyings that are connected with 61 two parallel sides of this arc surface again, thereby further improves the reliability that coupling arrangement is connected with electronic pads and public electrode.In addition, because substrate 60 can be good at fit electronic pads and public electrode, promptly need not to utilize the pliability of this substrate 60 to reach the purpose of " step " between applying electronic pads and the public electrode; At this moment; The thickness of said substrate 60 can reduce the technological requirement of substrate thin typeization, simultaneously thus greater than 0.5mm; Also can improve the reliability of substrate 60, it is bad to prevent sole fault etc.
The coupling arrangement with substrate 60 that provides through present embodiment can connect electronic pads and the public electrode on the color membrane substrates on the array base palte better, can corresponding reference implementation example one about the NM content of present embodiment, and present embodiment repeats no more at this.
Foregoing description only is the description to the utility model preferred embodiment; It is not any qualification to the utility model scope; Any change, modification that the those of ordinary skill in the utility model field is done according to above-mentioned disclosure all belong to the protection domain of claims.
Claims (10)
1. a coupling arrangement that is used for LCD is characterized in that, comprising:
Have the substrate of mesh; And
Be positioned at said suprabasil metal slurry.
2. the coupling arrangement that is used for LCD as claimed in claim 1 is characterized in that, said substrate is metallic substrates or organism substrate.
3. the coupling arrangement that is used for LCD as claimed in claim 1 is characterized in that, said metal slurry is the silver slurry.
4. like each the described coupling arrangement that is used for LCD in the claim 1 to 3, it is characterized in that the density of said mesh is 20/cm
2～200/cm
2
5. like each the described coupling arrangement that is used for LCD in the claim 1 to 3, it is characterized in that, said mesh be shaped as circle.
6. the coupling arrangement that is used for LCD as claimed in claim 5 is characterized in that, the diameter of said mesh is 15 μ m～0.1mm.
7. like each the described coupling arrangement that is used for LCD in the claim 1 to 3, it is characterized in that the thickness of said substrate is 0.05mm～0.5mm.
8. like each the described coupling arrangement that is used for LCD in the claim 1 to 3, it is characterized in that, said substrate be shaped as an arc surface.
9. like each the described coupling arrangement that is used for LCD in the claim 1 to 3, it is characterized in that said substrate comprises an arc surface and two planes that are connected with two parallel sides of this arc surface respectively.
10. like each the described coupling arrangement that is used for LCD in the claim 1 to 3, it is characterized in that said LCD comprises: array base palte and be arranged at the electronic pads on the said array base palte; Color membrane substrates and be arranged at the public electrode on the said color membrane substrates; Said coupling arrangement is connected with said electronic pads and public electrode respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205664157U CN202421677U (en) | 2011-12-29 | 2011-12-29 | Connecting device for liquid crystal display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205664157U CN202421677U (en) | 2011-12-29 | 2011-12-29 | Connecting device for liquid crystal display |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202421677U true CN202421677U (en) | 2012-09-05 |
Family
ID=46746423
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205664157U Expired - Lifetime CN202421677U (en) | 2011-12-29 | 2011-12-29 | Connecting device for liquid crystal display |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202421677U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103185991A (en) * | 2011-12-29 | 2013-07-03 | 上海天马微电子有限公司 | Connecting device for liquid crystal display |
-
2011
- 2011-12-29 CN CN2011205664157U patent/CN202421677U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103185991A (en) * | 2011-12-29 | 2013-07-03 | 上海天马微电子有限公司 | Connecting device for liquid crystal display |
| CN103185991B (en) * | 2011-12-29 | 2015-07-22 | 上海天马微电子有限公司 | Connecting device for liquid crystal display |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120905 Effective date of abandoning: 20150722 |
|
| RGAV | Abandon patent right to avoid regrant |