CN103185991B - Connecting device for liquid crystal display - Google Patents
Connecting device for liquid crystal display Download PDFInfo
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- CN103185991B CN103185991B CN201110453711.0A CN201110453711A CN103185991B CN 103185991 B CN103185991 B CN 103185991B CN 201110453711 A CN201110453711 A CN 201110453711A CN 103185991 B CN103185991 B CN 103185991B
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- coupling arrangement
- crystal display
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Abstract
The invention provides a connecting device for a liquid crystal display. The connecting device comprises a substrate with mesh openings and metal slurry positioned on the substrate. Hereby, the metal slurry is used as a connecting part and nonconductive materials such as sticky glue are prevented from being used, so that the problem of higher resistance of the connecting device is prevented. Meanwhile, the substrate with the mesh openings is used as a part for bearing the metal slurry, so that the problem of breakage of the metal slurry is prevented and reliability of the connecting device is ensured.
Description
Technical field
The present invention relates to display technology field, particularly a kind of coupling arrangement for liquid crystal display.
Background technology
Thin Film Transistor-LCD (TFT-LCD) has low-voltage, Micro Energy Lose, display contain much information, are easy to the advantages such as colorize, occupies 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 to box and color membrane substrates, and is filled in the liquid crystal layer in the gap between array base palte and color membrane substrates.The ultimate principle of described Thin Film Transistor-LCD display image is: by applying the electric field acted on liquid crystal layer on described array base palte and color membrane substrates, control the orientation of described liquid crystal layer molecule, thus control to be perforated through the irradiation light of liquid crystal layer molecule number, namely reach modulation by the object of the light intensity of liquid crystal layer.
Described color membrane substrates is provided with the public electrode of transmission common electric voltage, described array base palte is provided with equally the electronic pads of transmission common electric voltage, in order to make the common electric voltage on described color membrane substrates and described array base palte, there is identical current potential, in the prior art, by by coupling arrangement, the public electrode on described color membrane substrates is connected with the electronic pads on described array base palte.
One of prior art proposes, and utilizes metal wire to be electrically connected described public electrode and electronic pads, meanwhile, utilizes adhesive glue that described metal wire is connected with described public electrode and electronic pads physically respectively.Metal wire has good electric conductivity, adhesive glue has again good viscosity, but, in described metal wire and described public electrode or described metal wire and described electronic pads junction, due to the cause of adhesive glue, make the resistance of these two contact positions comparatively large, thus have impact on the performance of liquid crystal display.
For this reason, two of prior art also been proposed, and utilizes silver slurry (silver paste) to connect described public electrode and electronic pads.Please refer to Fig. 1, it is utilize the public electrode of silver slurry connecting fluid crystal display and the structural representation of electronic pads in prior art.As shown in Figure 1, in existing IPS mode LCD, comprising: array base palte 10 and the electronic pads 11 be arranged on described array base palte 10; Color membrane substrates 12 and the public electrode 13 be arranged on described color membrane substrates 12.After described array base palte 10 and color membrane substrates 12 pairs of boxes, outside described electronic pads 11 and public electrode 13 are exposed to, at this, connect described electronic pads 11 and public electrode 13 by silver slurry 14.But owing to having difference in height between described electronic pads 11 and described public electrode 13, or be referred to as step, described silver slurry 14 often ruptures.As shown in Figure 1, at this, there is fracture and be divided into the first silver medal slurry portion 140 be connected with electronic pads 11 and the second silver medal slurry portion 141 be connected with public electrode 13 in described silver slurry 14, between described first silver medal slurry portion 140 and the second silver medal slurry portion 141, there is gap A, namely due to this fracture defect, described electronic pads 11 can not be electrically connected with public electrode 13.Namely utilize the reliability of the silver slurry described public electrode of connection and electronic pads not high.
Summary of the invention
The object of the present invention is to provide a kind of coupling arrangement for liquid crystal display, to solve the problem that in prior art, coupling arrangement resistance is comparatively large or reliability is lower.
For solving the problems of the technologies described above, the invention provides a kind of coupling arrangement for liquid crystal display, comprising:
Be with meshed substrate; And
Be positioned at described suprabasil metal pulp.
Optionally, described in the coupling arrangement of liquid crystal display, described substrate is metallic substrates or organism substrate.
Optionally, described in the coupling arrangement of liquid crystal display, described metal pulp is silver slurry.
Optionally, described in the coupling arrangement of liquid crystal display, the density of described mesh is 20/cm
2~ 200/cm
2.
Optionally, described in the coupling arrangement of liquid crystal display, the shape of described mesh is circular.
Optionally, described in the coupling arrangement of liquid crystal display, the diameter of described mesh is 15um ~ 0.1mm.
Optionally, described in the coupling arrangement of liquid crystal display, the thickness of described substrate is 0.05mm ~ 0.5mm.
Optionally, described in the coupling arrangement of liquid crystal display, the shape of described substrate is an arc surface.
Optionally, described in the coupling arrangement of liquid crystal display, two planes that described substrate comprises an arc surface and is connected with this arc surface two parallel sides respectively.
Optionally, described in the coupling arrangement of liquid crystal display, described liquid crystal display comprises: array base palte and the electronic pads be arranged on described array base palte; Color membrane substrates and the public electrode be arranged on described color membrane substrates; Described coupling arrangement is connected with described electronic pads and public electrode respectively.
Utilize metal pulp as link provided by the invention in the coupling arrangement of liquid crystal display, avoid using this type of non-conductive thing of adhesive glue, thus prevent the problem that coupling arrangement resistance is larger.Meanwhile, utilize the parts that the meshed substrate of band is starched as bearing metal, thus prevent metal pulp that the problem of fracture occurs, ensure that the reliability of coupling arrangement.
Accompanying drawing explanation
Fig. 1 utilizes the public electrode of silver slurry connecting fluid crystal display and the structural representation of electronic pads in prior art;
Fig. 2 is the structural representation of the meshed substrate of band of the embodiment of the present invention one;
Fig. 3 is the structural representation of the coupling arrangement of the embodiment of the present invention one;
Fig. 4 is the connection public electrode of the coupling arrangement liquid crystal display utilizing the embodiment of the present invention one to provide and the structural representation of electronic pads;
Fig. 5 is the structural representation of the meshed substrate of band of the embodiment of the present invention two;
Fig. 6 is the structural representation of the meshed substrate of band of the embodiment of the present invention three.
Embodiment
Below in conjunction with the drawings and specific embodiments, the coupling arrangement for liquid crystal display provided by the invention is described in further detail.According to the following describes and claims, advantages and features of the invention will be clearer.It should be noted that, accompanying drawing all adopts the form simplified very much, only in order to object that is convenient, the aid illustration embodiment of the present invention lucidly.
Embodiment one
Please refer to Fig. 2, it is the structural representation of the meshed substrate of band of the embodiment of the present invention one.As shown in Figure 2, on described base 20 with multiple mesh 200.Then, please refer to Fig. 3, it is the structural representation of the coupling arrangement of the embodiment of the present invention one.As shown in Figures 2 and 3, described coupling arrangement 2 comprises: with the substrate 20 of mesh 200; And the metal pulp be positioned in described substrate 20.
Please refer to Fig. 4, it is the connection public electrode of coupling arrangement liquid crystal display that utilizes the embodiment of the present invention one and provide and the structural representation of electronic pads.As shown in Figure 4, described liquid crystal display comprises: array base palte 40 and the electronic pads 41 be arranged on described array base palte 40; Color membrane substrates 42 and the public electrode 43 be arranged on described color membrane substrates 42.At this, after described array base palte 40 and color membrane substrates 42 pairs of boxes, outside described electronic pads 41 and public electrode 43 are exposed to, then, the coupling arrangement 2 that the present embodiment just can be utilized to provide connects described electronic pads 41 and public electrode 43.
Concrete, the side of described coupling arrangement 2 is connected with described electronic pads 41, and the opposite side relative with this side of described coupling arrangement 2 is connected with public electrode 43.Now, the metal pulp be positioned in described substrate 20 will be connected with electronic pads 41 and public electrode 43 respectively by mesh 200, due to the electric conductivity that metal pulp is good, at the link position with electronic pads 41 and public electrode 43, resistance is less, avoids the problem using the junction resistance that brings of adhesive glue excessive.Meanwhile, metal pulp can be connected with electronic pads 41 and public electrode 43 again reliably, ensure that the reliability that contact position connects.
Can be connected with electronic pads 41 and public electrode 43 by mesh 200 to make the electroconductive molecule in metal pulp, meanwhile, this metal pulp again can and substrate 20 between there is good switching performance, preferably, the shape of described mesh is circular, and the diameter of this circular mesh is 15um ~ 0.1mm.Under such mesh diameter, diameter be about the metal pulp of 10um electroconductive molecule can effectively by mesh to electronic pads 41 and public electrode 43, simultaneously this metal pulp again can and mesh between capillarity play obvious effect, from and can effectively, reliably be connected with between mesh 200.In other embodiments of the invention, the shape of described mesh also can be oval, and now, the minor axis of this oval mesh 200 is long is preferably 15um ~ 0.1mm.Certainly, in other embodiments of the invention, described mesh can also be other shapes, and the application does not limit this.
Please continue to refer to Fig. 4, when utilizing this coupling arrangement 2 connecting electrode pad 41 and public electrode 43, part metals slurry 21 will be connected with electronic pads 41 and public electrode 43 respectively by mesh 200, thus play the effect of connecting electrode pad 41 and public electrode 43.Meanwhile, substrate 20 also carries part metals slurry, and due to the carrying of substrate 20, the problem ruptured can not occur metal pulp, ensure that the reliability of coupling arrangement 2 thus.
Further, the density of described mesh 200 is 20/cm
2~ 200/cm
2at this, consider and need enough metal pulp by mesh 200 to electronic pads 41 and public electrode 43, simultaneously, ensure again described substrate 20 can carry enough metal pulp, make coupling arrangement 2 can effectively, reliably connecting electrode pad 41 and public electrode 43, effectively prevent the phenomenon that metal pulp ruptures.
Further, described substrate 20 is metallic substrates or organism substrate.First, such substrate has electric conductivity, and particularly metallic substrates has good electric conductivity, thus this substrate 20 is except having carried the metal pulp of main connection function, it can also assist connection function, namely assists the current potential between electric conduction polar cushion 41 and public electrode 43.
Secondly, metal or organism all have certain pliability, and the substrate 20 of being made by metal or organism has possessed certain pliability equally.Known, between electronic pads 41 and public electrode 43, there is certain difference in height, namely have certain " step ", and there is certain flexible substrate 20 can do adaptive distortion according to this difference in height, thus improve the reliability of coupling arrangement 2, ensure between electronic pads 41 and public electrode 43 reliable, effectively connect.
Consider and make substrate 20 can have good pliability, preferably, the thickness of described substrate 20 is 0.05mm ~ 0.5mm.Yi Zhi, substrate 20 is blocked up will affect its pliability, make this substrate 20 can not adapt to this " step " shape well, and if substrate 20 is excessively thin, the reliability of substrate 20 will be affected again, namely be easy to the bad accidents such as substrate 20 fracture occur, therefore, inventor after multinomial test with experiment, when the thickness realizing substrate 20 is 0.05mm ~ 0.5mm, namely can meet flexible demand, the requirement of reliability can be met again.
In the present embodiment, described metal pulp is silver slurry, silver slurry have good electric conductivity and and there is between electronic pads 41 and public electrode 43 connectivity of reliability, thus can ensure coupling arrangement 2 effectively, connecting electrode pad 41 and public electrode 43 reliably.
Provided by the inventionly utilize metal pulp as link in the coupling arrangement 2 of liquid crystal display, avoid using this type of non-conductive thing of adhesive glue, thus prevent the problem that coupling arrangement 2 resistance is larger.Meanwhile, utilize the parts that the substrate 20 with mesh 200 is starched as bearing metal, thus prevent metal pulp that the problem of fracture occurs, ensure that the reliability of coupling arrangement 2.
Embodiment two
The difference of the present embodiment and embodiment one is, the shape of selected substrate is different.Please refer to Fig. 5, it is the structural representation of the meshed substrate of band of the embodiment of the present invention two.As shown in Figure 5, in the present embodiment, substrate 50 is with multiple mesh 500, and the shape of described substrate 50 is an arc surface.In embodiment one, the shape of described substrate is a plane, and when it needs to fit the shape of " step ", what utilize is the pliability of substrate itself.And in the present embodiment, the shape of described substrate 50 is an arc surface, namely when this substrate of formation, just considers the difference in height between electronic pads and public electrode, make the difference in height that the shape of substrate 50 can be fitted between electronic pads and public electrode, thus ensure the reliability of coupling arrangement.In addition, substrate 50 due to described arc surface can be good at laminating electronic pads and public electrode, namely the object of " step " between laminating electronic pads and public electrode is reached without using the pliability of this substrate 50, now, the thickness of described substrate 50 can be greater than 0.5mm, can reduce the technological requirement of substrate thin type thus, simultaneously, also can improve the reliability of substrate 50, prevent sole fault etc. bad.
The coupling arrangement with substrate 50 provided by the present embodiment can connect the electronic pads on array base palte and the public electrode on color membrane substrates better, can corresponding reference example one about the NM content of the present embodiment, and the present embodiment does not repeat them here.
Embodiment three
The difference of the present embodiment and embodiment one is, the shape of selected substrate is different.Please refer to Fig. 6, it is the structural representation of the meshed substrate of band of the embodiment of the present invention three.As shown in Figure 6, in the present embodiment, substrate 60 with multiple mesh 600, two planes 62 that described substrate 60 comprises an arc surface 61 and is connected with this arc surface 61 two parallel sides respectively.In embodiment one, the shape of described substrate is a plane, and when it needs to fit the shape of " step ", what utilize is the pliability of substrate itself.And in the present embodiment, two planes 62 that described substrate 60 comprises an arc surface 61 and is connected with this arc surface 61 two parallel sides respectively, namely when this substrate of formation, just consider the difference in height between electronic pads and public electrode, the difference in height utilizing arc surface 61 to make the shape of substrate 60 can to fit between electronic pads and public electrode, thus the reliability ensureing coupling arrangement.Meanwhile, this substrate 60 can utilize again two planes 62 that are connected with this arc surface 61 two parallel sides well fit with electronic pads and public electrode, thus the reliability that further raising coupling arrangement is connected with electronic pads and public electrode.In addition, because substrate 60 can be good at laminating electronic pads and public electrode, namely the object of " step " between laminating electronic pads and public electrode is reached without using the pliability of this substrate 60, now, the thickness of described substrate 60 can be greater than 0.5mm, can reduce the technological requirement of substrate thin type thus, simultaneously, also can improve the reliability of substrate 60, prevent sole fault etc. bad.
The coupling arrangement with substrate 60 provided by the present embodiment can connect the electronic pads on array base palte and the public electrode on color membrane substrates better, can corresponding reference example one about the NM content of the present embodiment, and the present embodiment does not repeat them here.
Foregoing description is only the description to present pre-ferred embodiments, any restriction not to the scope of the invention, and any change that the those of ordinary skill in field of the present invention does according to above-mentioned disclosure, modification, all belong to the protection domain of claims.
Claims (10)
1. for a coupling arrangement for liquid crystal display, it is characterized in that, comprising:
Be with meshed substrate; And
Be positioned at described suprabasil metal pulp.
2., as claimed in claim 1 for the coupling arrangement of liquid crystal display, it is characterized in that, described substrate is metallic substrates or organism substrate.
3. as claimed in claim 1 for the coupling arrangement of liquid crystal display, it is characterized in that, described metal pulp is silver slurry.
4. the coupling arrangement for liquid crystal display as described in any one in claims 1 to 3, is characterized in that, the density of described mesh is 20/cm
2~ 200/cm
2.
5. the coupling arrangement for liquid crystal display as described in any one in claims 1 to 3, is characterized in that, the shape of described mesh is circular.
6., as claimed in claim 5 for the coupling arrangement of liquid crystal display, it is characterized in that, the diameter of described mesh is 15um ~ 0.1mm.
7. the coupling arrangement for liquid crystal display as described in any one in claims 1 to 3, is characterized in that, the thickness of described substrate is 0.05mm ~ 0.5mm.
8. the coupling arrangement for liquid crystal display as described in any one in claims 1 to 3, is characterized in that, the shape of described substrate is an arc surface.
9. the coupling arrangement for liquid crystal display as described in any one in claims 1 to 3, is characterized in that, two planes that described substrate comprises an arc surface and is connected with this arc surface two parallel sides respectively.
10. the coupling arrangement for liquid crystal display as described in any one in claims 1 to 3, is characterized in that, described liquid crystal display comprises: array base palte and the electronic pads be arranged on described array base palte; Color membrane substrates and the public electrode be arranged on described color membrane substrates; Described coupling arrangement is connected with described electronic pads and public electrode respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110453711.0A CN103185991B (en) | 2011-12-29 | 2011-12-29 | Connecting device for liquid crystal display |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110453711.0A CN103185991B (en) | 2011-12-29 | 2011-12-29 | Connecting device for liquid crystal display |
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| Publication Number | Publication Date |
|---|---|
| CN103185991A CN103185991A (en) | 2013-07-03 |
| CN103185991B true CN103185991B (en) | 2015-07-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110453711.0A Active CN103185991B (en) | 2011-12-29 | 2011-12-29 | Connecting device for liquid crystal display |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111679488A (en) * | 2020-06-29 | 2020-09-18 | 赣州市秋田微电子有限公司 | Conduction method of liquid crystal display ITO |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1529202A (en) * | 2000-05-25 | 2004-09-15 | ������������ʽ���� | Liquid crystal device, its manufacturing method and electronic apparatus |
| CN101697043A (en) * | 2009-06-24 | 2010-04-21 | 深超光电（深圳）有限公司 | Liquid crystal display panel |
| CN202421677U (en) * | 2011-12-29 | 2012-09-05 | 上海天马微电子有限公司 | Connecting device for liquid crystal display |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10187102A (en) * | 1996-12-26 | 1998-07-14 | Casio Comput Co Ltd | Liquid crystal display device |
| JP4831716B2 (en) * | 2001-03-15 | 2011-12-07 | Ｎｌｔテクノロジー株式会社 | Active matrix liquid crystal display device |
| JP2003248237A (en) * | 2003-01-09 | 2003-09-05 | Seiko Epson Corp | Liquid crystal display device |
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2011
- 2011-12-29 CN CN201110453711.0A patent/CN103185991B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1529202A (en) * | 2000-05-25 | 2004-09-15 | ������������ʽ���� | Liquid crystal device, its manufacturing method and electronic apparatus |
| CN101697043A (en) * | 2009-06-24 | 2010-04-21 | 深超光电（深圳）有限公司 | Liquid crystal display panel |
| CN202421677U (en) * | 2011-12-29 | 2012-09-05 | 上海天马微电子有限公司 | Connecting device for liquid crystal display |
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