CN204178353U - Narrow frame GFF capacitance plate - Google Patents
Narrow frame GFF capacitance plate Download PDFInfo
- Publication number
- CN204178353U CN204178353U CN201420614976.3U CN201420614976U CN204178353U CN 204178353 U CN204178353 U CN 204178353U CN 201420614976 U CN201420614976 U CN 201420614976U CN 204178353 U CN204178353 U CN 204178353U
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- diaphragm
- edge
- primary diaphragm
- gff
- routing region
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Abstract
The utility model is applicable to capacitance plate field, provides a kind of narrow frame GFF capacitance plate, comprises cover plate, primary diaphragm and secondary diaphragm; The positive Middle face of primary diaphragm is provided with the first conductor wire, the positive Middle face of secondary diaphragm is provided with the second conductor wire, one side in the front of primary diaphragm is provided with the first electrode pin, a side on the front of secondary diaphragm is provided with the second electrode pin, the edge in the front of primary diaphragm is provided with the first routing region, first routing region is provided with the first edge cabling, the position that the back side of primary diaphragm corresponds to the first routing region is coated with conductive shielding layer, second routing region on the front of secondary diaphragm, the second routing region is provided with the second edge cabling.Conductive shielding layer is set, shield the impact of signal between the first edge cabling and the second edge cabling, make the first edge cabling and the second edge cabling spatially can be crossing or overlapping, thus routing region, edge can relative narrower, thus reduce the width of capacitance plate frame.
Description
Technical field
The utility model belongs to capacitance plate field, particularly relates to a kind of narrow frame GFF capacitance plate.
Background technology
Along with the frame of the electronic equipments such as mobile phone is more and more narrow, also require more and more narrow to the frame of capacitance plate, namely require also more and more narrow to the routing region, edge of capacitance plate.GFF capacitance plate is the touch-screen that a kind of cost is lower, yields is higher.GFF capacitance plate be cover plate is fitted two-layer diaphragm formed touch-screen, wherein two-layer diaphragm is respectively Rx Film (diaphragm for Received signal strength) and Tx Film (diaphragm for transmitting).Refer to Fig. 1 ~ Fig. 6, the middle part 920,930 of two-layer diaphragm is touch area 911, and the middle part 920,930 of each diaphragm is provided with conductor wire, and the conductor wire on two-layer diaphragm is spatially crisscross, forms electric capacity, to feel body current in point of intersection.In the middle part of each diaphragm, the conductor wire of 920,930 is connected by the electrode pin 922,932 of edge cabling 923,933 with diaphragm side.In order to ensure the normal work of GFF capacitance plate 91, just the edge cabling 932 of the edge cabling 923 of Rx film92 and Tx film93 must be staggered mutually, can not intersect can not be overlapping, namely the region 933 that the Rx film92 region 921 that is provided with edge cabling 923 and Txfilm93 are provided with edge cabling 932 needs mutually to stagger, and mutually disturbs to prevent the signal of the signal of Rx film92 and Tx film93.The routing region, edge 912 which results in GFF capacitance plate 91 is wider, namely causes GFF capacitance plate frame wider.
Utility model content
The purpose of this utility model is to provide a kind of narrow frame GFF capacitance plate, is intended to solve the wider problem of existing GFF capacitance plate frame.
The utility model is achieved in that a kind of narrow frame GFF capacitance plate, the secondary diaphragm comprising cover plate, fit in the primary diaphragm on described cover plate and fit on described primary diaphragm; the positive Middle face of described primary diaphragm is provided with the first conductor wire, the positive Middle face of described secondary diaphragm is provided with second conductor wire crisscross with described first conductor wire, the middle part of described primary diaphragm and the composition touch area, middle part of described secondary diaphragm, one side in the front of described primary diaphragm is provided with the first electrode pin, a side corresponding with the first electrode pin of described primary diaphragm on the front of described secondary diaphragm is provided with the second electrode pin, the edge in the front of described primary diaphragm is provided with the first routing region for edge cabling, described first routing region is provided with the first edge cabling being electrically connected described first conductor wire and described first electrode pin, the position that the back side of described primary diaphragm corresponds to described first routing region is coated with conductive shielding layer, the position front of described secondary diaphragm corresponding to described first routing region is provided with the second routing region, described second routing region is provided with the second edge cabling being electrically connected described second conductor wire and described second electrode pin.
Further, described first routing region is arranged in region corresponding to described conductive shielding layer corresponding to the projection at the back side of described primary diaphragm.
Further, the distance range at the edge of described projection and the edge of described conductive shielding layer is 0.1-0.2mm.
Further, the ground wire of described conductive shielding layer and extraneous FPC is electrical connected.
Further, described conductive shielding layer is metal level.
Further, also comprise the first optical cement layer for bonding described primary diaphragm and described cover plate, described first optical cement layer is located between described primary diaphragm and described cover plate.
Further, also comprise the second optical cement layer for bonding described primary diaphragm and described secondary diaphragm, described second optical cement layer is located between described primary diaphragm and described secondary diaphragm.
Further, described first edge cabling is also coated with the first plain conductor.
Further, described second edge cabling is also coated with the second plain conductor.
Further, described cover plate is glass plate.
Conductive shielding layer is set, conductive shielding layer covers on corresponding first routing region, the primary diaphragm back side, thus the impact of signal between the first edge cabling and the second edge cabling can be shielded, make the first edge cabling and the second edge cabling spatially can be crossing or overlapping, the first routing region of primary diaphragm can be made so spatially can to carry out overlapping with the second routing region of secondary diaphragm, the routing region, edge of the capacitance plate of composition can arrange relative narrower, thus reduces the width of capacitance plate frame.
Accompanying drawing explanation
Fig. 1 be a kind of GFF capacitance plate of providing of prior art face structural representation;
Fig. 2 is the structure for amplifying schematic diagram of part A in Fig. 1;
Fig. 3 be in Fig. 1 Rx film face structural representation;
Fig. 4 is the structure for amplifying schematic diagram of part B in Fig. 3;
Fig. 5 be in Fig. 1 Tx film face structural representation;
Fig. 6 is the structure for amplifying schematic diagram of C part in Fig. 5.
Fig. 7 be a kind of narrow frame GFF capacitance plate that the utility model embodiment provides face structural representation;
Fig. 8 is the structure for amplifying schematic diagram of D part in Fig. 7;
Fig. 9 is the structure for amplifying schematic diagram of E part in Fig. 8;
Figure 10 is the sectional structure schematic diagram of the routing region, edge of the narrow frame GFF capacitance plate of Fig. 7;
Figure 11 is the subregion structure for amplifying schematic diagram at the edge of the primary diaphragm of the narrow frame GFF capacitance plate of Fig. 7.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
Refer to Fig. 7, Fig. 8 and Figure 10, for convenience of describing, primary diaphragm 2 being defined as front near the one side of cover plate 5, the another side of primary diaphragm 2 is defined as the back side; In like manner, secondary diaphragm 3 is defined as front near the one side of primary diaphragm 2, the another side of secondary diaphragm 3 is defined as the back side.
The one that the utility model embodiment provides narrow frame GFF capacitance plate 1, comprise cover plate 5, primary diaphragm 2 and secondary diaphragm 3, in primary diaphragm 2 and secondary diaphragm 3, can using the Rx Film of a diaphragm as Received signal strength, another diaphragm is as the Tx Film transmitted; Primary diaphragm 2 fits on cover plate 5, and secondary diaphragm 3 fits on primary diaphragm 2.The positive Middle face of primary diaphragm 2 is provided with the first conductor wire (not marking in figure), the positive Middle face of secondary diaphragm 3 is provided with the second conductor wire (not marking in figure), and when secondary diaphragm 3 fits on primary diaphragm 2, first conductor wire and the second conductor wire are spatially in crisscross, first conductor wire and the second conductor wire point of intersection spatially form microwave capacitors one by one, with induction current change, thus the composition touch area, middle part 10 of the middle part of primary diaphragm 2 and secondary diaphragm 3.One side in the front of primary diaphragm 2 is provided with the first electrode pin 22, is electrically connected, thus is electrical connected with extraneous driving element to connect extraneous FPC (flexible PCB); In like manner, one side in the front of secondary diaphragm 3 is provided with the second electrode pin 32, and when secondary diaphragm 3 is fitted on primary diaphragm 2, second electrode pin 32 and the first electrode pin 22 are positioned at same side, and namely the second electrode pin 32 is positioned on a side corresponding with the first electrode pin 22 of primary diaphragm 2.
The edge in the front of primary diaphragm 2 is provided with the first routing region 21, routing region 21, first for arranging edge cabling; First routing region 21 is provided with the first edge cabling 23, is electrically connected the first conductor wire and the first electrode pin 22 by the first edge cabling 23; The edge in the front of secondary diaphragm 3 is provided with the second routing region 31, routing region 31, second for arranging edge cabling; Second routing region 31 is provided with the second edge cabling 33, is electrically connected the second conductor wire and the second electrode pin 32 by the second edge cabling 33.
The position that the back side of primary diaphragm 2 corresponds to the first routing region 21 is coated with conductive shielding layer 25, conductive shielding layer 25 is for shielding the effect of signals between the first edge cabling 23 and the second edge cabling 33, thus can use the first edge cabling 23 and the second edge cabling 33 spatially can be overlapping or crossing, such second routing region 31 can be overlapping with the first routing region 21, i.e. the position front of secondary diaphragm 3 corresponding to the first routing region 21 can arrange the second routing region 31.Thus when secondary diaphragm 3 is fitted on primary diaphragm 2, routing region, edge 11 is combined into by the first routing region 21 and the second routing region 31, and the width of this routing region, edge 11 can be reduced, thus reduce the width of capacitance plate frame, realize narrow frame.
Conductive shielding layer 25 is set, conductive shielding layer 25 covers on corresponding first routing region 21, primary diaphragm 2 back side, thus the impact of signal between the first edge cabling 23 and the second edge cabling 33 can be shielded, make the first edge cabling 23 and the second edge cabling 33 spatially can be crossing or overlapping, the first routing region 21 of primary diaphragm 2 can be made so spatially can to carry out overlapping with the second routing region 31 of secondary diaphragm 3, the routing region, edge 11 of the capacitance plate of composition can arrange relative narrower, thus reduces the width of capacitance plate frame.The design of primary diaphragm 2 and secondary diaphragm 3 edge cabling, layout difficulty can be reduced simultaneously.And in customized product, larger edge routing line width can be designed, and then reduce the technique manufacture difficulty of product, the yields of improving product.
Refer to Fig. 7, Fig. 8 and Figure 11, further, the projection that the first routing region 21 corresponds to the back side of primary diaphragm 2 is arranged in the region of conductive shielding layer 25 correspondence.Conductive shielding layer 25 covers the region corresponding with the first routing region 21, primary diaphragm 2 back side completely, and the area of conductive shielding layer 25 is greater than the area of the first routing region 21.The signal shielding the first edge cabling 23 on the first routing region 21 completely can be ensured like this, ensure the normal work of capacitance plate better.
Further, the first routing region 21 is 0.1-0.2mm corresponding to the distance range at the edge of projection on conductive shielding layer 25 and the edge of conductive shielding layer 25.Because the first edge cabling 23 and the second edge cabling 33 are positioned at the relative both sides of conductive shielding layer 25, then can shield effect of signals between the first edge cabling 23 and the second edge cabling 33 by conductive shielding layer 25.And when conductive shielding layer 25 is larger, the touch area 10 of capacitance plate can be extend into, can shield the signal between the first conductor wire of touch area 10 and the second conductor wire like this, cause the edge of touch area 10 to touch malfunctioning, the frame that virtually result also in capacitance plate broadens.And the distance range at the edge of projection corresponded to the first routing region 21 on conductive shielding layer 25 and the edge of conductive shielding layer 25 is set to 0.1-0.2mm, namely the effect of signals shielding the first edge cabling 23 and the second edge cabling 33 completely can be ensured, ensure that conductive shielding layer 25 can not be excessive simultaneously, and cause edge, touch area 10 malfunctioning, thus realize narrower frame.
Further, conductive shielding layer 25 is electrical connected with the ground wire of extraneous FPC.Connected mode can be use ACF (anisotropy conductiving glue) to be connected with FPC ground wire by conductive shielding layer 25; Also silver slurry can be used to drip glue conductive shielding layer 25 is connected with the exposed Copper Foil of the ground connection of FPC; Conductive fabric can also be used to be connected with the exposed Copper Foil of the ground connection of FPC by conductive shielding layer 25.Thus ensure the electric neutrality of conductive shielding layer 25, and this conductive shielding layer 25 can be prevented the first edge cabling 23 and the effect of signals to the second edge cabling 33.In some other embodiment, conductive shielding layer 25 also can be electrical connected with the grounding pin in the first electrode pin 22 on primary diaphragm 2; Or conductive shielding layer 25 also can be electrical connected with the grounding pin in the second electrode pin 32 on secondary diaphragm 3.
Refer to Fig. 9 and Figure 10, in the present embodiment, conductive shielding layer 25 is metal level.Use metal level, resistance is relatively little, can have better shield effectiveness.Conductive shielding layer 25 can use silver slurry to make, and is printed onto on primary diaphragm 2 as used the mode of screen painting and forms conductive shielding layer 25 by silver slurry.Conductive shielding layer 25 also can use Nano Silver directly to print or be applied on primary diaphragm 2 and be made.Conductive shielding layer 25 can also use Copper Foil to pass through to be made with on the gluing primary diaphragm 2 of impression.Conductive shielding layer 25 also can use ITO to make, and the mode as ITO sputtering is crossed on primary diaphragm 2 and is made.In addition, conductive shielding layer 25 also can adopt on vapour deposition process transfer printing primary diaphragm 2 and makes by Graphene.
This narrow frame GFF capacitance plate 1 also comprises the first optical cement layer 12, first optical cement layer 12 and is located between primary diaphragm 2 and cover plate 5, for primary diaphragm 2 is pasted onto cover plate 5.Use the bonding primary diaphragm 2 of the first optical cement layer 12, can ensure that the stickup of primary diaphragm 2 is faster, convenient.In like manner, this narrow frame GFF capacitance plate 1 also comprises the second optical cement layer 13, second optical cement layer 13 and is located between primary diaphragm 2 and secondary diaphragm 3, for amplexiforming secondary diaphragm 3 at primary diaphragm 2.To paste secondary diaphragm 3 quickly and easily.First optical cement layer 12 can be OCA glue-line, and the second optical cement layer 13 also can be OCA glue-line.
Cover plate 5 can be glass plate, and the capacitance plate made like this can be transparent screen.First edge cabling 23 is ITO cabling, because ITO cabling is electrically conducting transparent line, and the first conductor wire of GFF capacitance plate is generally ITO material, thus use ITO cabling as the first edge cabling 23, can when making the first conductor wire while produce the first edge cabling 23, improve the working (machining) efficiency of primary diaphragm 2.In like manner, the second edge cabling 33 is also ITO cabling.
First edge cabling 23 is also coated with the first plain conductor 24.Because the resistance of the first edge cabling 23 is general higher, and on the first edge cabling 23, cover the first plain conductor 24, the resistance between the first conductor wire and the first electrode pin 22 on primary diaphragm 2 can be reduced, so that the first conductor wire is better connected with the first electrode pin 22.First plain conductor 24 can use the material identical with conductive shielding layer 25 and method for making to make.In like manner, the second edge cabling 33 is also coated with the second plain conductor 34.Second effect of plain conductor 34 on secondary diaphragm 3 is identical with the first making of plain conductor 24 on primary diaphragm 2, no longer burdensome at this.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.
Claims (10)
1. a narrow frame GFF capacitance plate, the secondary diaphragm comprising cover plate, fit in the primary diaphragm on described cover plate and fit on described primary diaphragm; the positive Middle face of described primary diaphragm is provided with the first conductor wire, the positive Middle face of described secondary diaphragm is provided with second conductor wire crisscross with described first conductor wire, the middle part of described primary diaphragm and the composition touch area, middle part of described secondary diaphragm, one side in the front of described primary diaphragm is provided with the first electrode pin, a side corresponding with the first electrode pin of described primary diaphragm on the front of described secondary diaphragm is provided with the second electrode pin, the edge in the front of described primary diaphragm is provided with the first routing region for edge cabling, described first routing region is provided with the first edge cabling being electrically connected described first conductor wire and described first electrode pin, it is characterized in that, the position that the back side of described primary diaphragm corresponds to described first routing region is coated with conductive shielding layer, the position front of described secondary diaphragm corresponding to described first routing region is provided with the second routing region, described second routing region is provided with the second edge cabling being electrically connected described second conductor wire and described second electrode pin.
2. narrow frame GFF capacitance plate as claimed in claim 1, is characterized in that, the projection that described first routing region corresponds to the back side of described primary diaphragm is arranged in region corresponding to described conductive shielding layer.
3. narrow frame GFF capacitance plate as claimed in claim 2, is characterized in that, the distance range at the edge of described projection and the edge of described conductive shielding layer is 0.1-0.2mm.
4. narrow frame GFF capacitance plate as claimed in claim 1, it is characterized in that, the ground wire of described conductive shielding layer and extraneous FPC is electrical connected.
5. narrow frame GFF capacitance plate as claimed in claim 1, it is characterized in that, described conductive shielding layer is metal level.
6. the narrow frame GFF capacitance plate as described in any one of claim 1-5, is characterized in that, also comprise the first optical cement layer for bonding described primary diaphragm and described cover plate, described first optical cement layer is located between described primary diaphragm and described cover plate.
7. the narrow frame GFF capacitance plate as described in any one of claim 1-5, it is characterized in that, also comprise the second optical cement layer for bonding described primary diaphragm and described secondary diaphragm, described second optical cement layer is located between described primary diaphragm and described secondary diaphragm.
8. the narrow frame GFF capacitance plate as described in any one of claim 1-5, is characterized in that, described first edge cabling is also coated with the first plain conductor.
9. the narrow frame GFF capacitance plate as described in any one of claim 1-5, is characterized in that, described second edge cabling is also coated with the second plain conductor.
10. the narrow frame GFF capacitance plate as described in any one of claim 1-5, it is characterized in that, described cover plate is glass plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420614976.3U CN204178353U (en) | 2014-10-22 | 2014-10-22 | Narrow frame GFF capacitance plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420614976.3U CN204178353U (en) | 2014-10-22 | 2014-10-22 | Narrow frame GFF capacitance plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204178353U true CN204178353U (en) | 2015-02-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420614976.3U Expired - Fee Related CN204178353U (en) | 2014-10-22 | 2014-10-22 | Narrow frame GFF capacitance plate |
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| CN (1) | CN204178353U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105808027A (en) * | 2016-03-11 | 2016-07-27 | 惠州Tcl移动通信有限公司 | Touch screen sensing structure, touch screen and narrow-bezel electronic display device |
| CN106155446A (en) * | 2016-07-06 | 2016-11-23 | 深圳市骏达光电股份有限公司 | The frame patch method of the preparation method of touch-screen, touch-screen and LCM |
| CN107310250A (en) * | 2017-07-28 | 2017-11-03 | 张家港康得新光电材料有限公司 | For the preparation method of the printing screen plate and touch-screen that make touch-screen |
| CN108021287A (en) * | 2017-12-28 | 2018-05-11 | 上海摩软通讯技术有限公司 | Touch-screen and the terminal device for including it |
-
2014
- 2014-10-22 CN CN201420614976.3U patent/CN204178353U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105808027A (en) * | 2016-03-11 | 2016-07-27 | 惠州Tcl移动通信有限公司 | Touch screen sensing structure, touch screen and narrow-bezel electronic display device |
| CN106155446A (en) * | 2016-07-06 | 2016-11-23 | 深圳市骏达光电股份有限公司 | The frame patch method of the preparation method of touch-screen, touch-screen and LCM |
| CN107310250A (en) * | 2017-07-28 | 2017-11-03 | 张家港康得新光电材料有限公司 | For the preparation method of the printing screen plate and touch-screen that make touch-screen |
| CN108021287A (en) * | 2017-12-28 | 2018-05-11 | 上海摩软通讯技术有限公司 | Touch-screen and the terminal device for including it |
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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: 20150225 Termination date: 20191022 |
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| CF01 | Termination of patent right due to non-payment of annual fee |