CN205486042U - Capacitive touch screen - Google Patents
Capacitive touch screen Download PDFInfo
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- CN205486042U CN205486042U CN201620260482.9U CN201620260482U CN205486042U CN 205486042 U CN205486042 U CN 205486042U CN 201620260482 U CN201620260482 U CN 201620260482U CN 205486042 U CN205486042 U CN 205486042U
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- 230000006698 induction Effects 0.000 claims description 10
- 239000011521 glass Substances 0.000 claims description 6
- 238000000034 method Methods 0.000 abstract description 9
- 239000000758 substrate Substances 0.000 abstract description 2
- 230000008054 signal transmission Effects 0.000 abstract 3
- 238000005516 engineering process Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000002093 peripheral effect Effects 0.000 description 4
- 238000004891 communication Methods 0.000 description 3
- 230000005684 electric field Effects 0.000 description 3
- 239000010410 layer Substances 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- XBBRGUHRZBZMPP-UHFFFAOYSA-N 1,2,3-trichloro-4-(2,4,6-trichlorophenyl)benzene Chemical compound ClC1=CC(Cl)=CC(Cl)=C1C1=CC=C(Cl)C(Cl)=C1Cl XBBRGUHRZBZMPP-UHFFFAOYSA-N 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000011229 interlayer Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- -1 ITO Substances 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000002322 conducting polymer Substances 0.000 description 1
- 229920001940 conductive polymer Polymers 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 238000010897 surface acoustic wave method Methods 0.000 description 1
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Abstract
The utility model discloses a capacitive touch screen, it includes the electrically -conductive backing plate and sets up the response passageway on electrically -conductive backing plate surface, the response passageway is many, and the interval arrangement is in the electrically -conductive backing plate on the surface, the electrically -conductive backing plate border is provided with a plurality of control IC, and is a plurality of control IC respectively through signal transmission line with electrically conductive substrate connection, it is a plurality of control IC is connected to a signal output interface through the connecting wire each other. The utility model discloses a plurality of control IC directly set up the border position of electrically -conductive backing plate to reaching a plurality of control IC and connecting each other, the electrically -conductive backing plate is passing through signal transmission line and control IC electric connection in -process like this, only need be through weak point, less signal transmission line can realize controlling the electric connection of IC and electrically -conductive backing plate, the sparingly space around the electrically -conductive backing plate.
Description
Technical field
This utility model relates to electronic technology field, especially a kind of capacitance touch screen.
Background technology
Touch screen is a kind of simple, convenient, natural human-computer interaction device, and it has been widely used in various place.Touch screen is of a great variety, divides by principle and mainly includes resistance-type, condenser type, infrared type and surface acoustic wave type.Wherein capacitive touch screen is to utilize induced current produced by capacitance variations produced by the electrostatical binding between the electrode on glass substrate and human body to carry out detector to be touched the coordinate of position.Principle of induction acts on four corners of screen induction zone with voltage and forms a stationary electric field, when finger touches screen, electric field can be made to cause electric current, measure by controller, according to the difference of four corner ratios of electric current, can calculate contact position.
The touch screen complex process produced in the market, wherein, arranging control IC(Integrated Circuit, integrated circuit) during have two ways, specific as follows:
One; being illustrated in figure 1 the structural representation of existing a kind of capacitance touch screen, it is included electrically-conductive backing plate 110, a plurality of induction channels 120 being arranged on electrically-conductive backing plate 110 surface, is connected to the panel 150 that the FPC flexible PCB 140 of electrically-conductive backing plate 110 one end is connected with FPC flexible PCB 140 and the protection glass 160 being arranged at electrically-conductive backing plate 110 top by signal transmssion line 130.Wherein, panel 150 includes IC151 and signal output interface 152.As seen from Figure 1, described signal transmssion line 130 is a plurality of, around uniform, the dense edge being arranged in electrically-conductive backing plate 110, thus capacitance touch screen is accomplished by being arranged around bigger space at electrically-conductive backing plate connects up, the most not only take up room big, and connecting portion in signal transmssion line connection procedure is many, easily cause bad connection.It addition, when user carries out grafting to the joint of each wiring, need stronger Professional knowledge to operate, otherwise, due to too much wiring and joint, be easily caused user's wrong plug.
They are two years old; it is illustrated in figure 2 the structural representation of existing another kind of capacitance touch screen; it is included electrically-conductive backing plate 210, a plurality of induction channels 220 being arranged on electrically-conductive backing plate 210 surface, is connected to the PCB (Printed Circuit Board, printed circuit board) 240 of electrically-conductive backing plate 210 one end by signal transmssion line 230 and is arranged at the protection glass 250 on electrically-conductive backing plate 210 top.Wherein, PCB includes IC241 and signal output interface 242.As seen from Figure 2, described signal transmssion line 230 is a plurality of, around uniform, the dense edge being arranged in electrically-conductive backing plate 210, thus capacitance touch screen is accomplished by being arranged around bigger space at electrically-conductive backing plate connects up, the most not only take up room big, and connecting portion in signal transmssion line connection procedure is many, easily cause bad connection.It addition, when user carries out grafting to the joint of each wiring, need stronger Professional knowledge to operate, otherwise, due to too much wiring and joint, be easily caused user's wrong plug.
Knowable to Fig. 1 and Fig. 2, existing capacitance touch screen needs to arrange a plurality of signal transmssion line during the electric connection of electrically-conductive backing plate and IC, the space of substantial amounts of capacitance touch screen is taken in wiring process, and have multiple connecting portion by the connection of a plurality of output line, thus it is easily caused loose contact, and due to too much wiring and joint, it is easily caused user's wrong plug.
Utility model content
This utility model aim to provide a kind of wiring less, wiring take up room little, contact is good and is easy to the capacitance touch screen that grafting coordinates.
For achieving the above object, the following technical scheme of this utility model offer:
The open a kind of capacitance touch screen of this utility model, it includes electrically-conductive backing plate and is arranged on the induction channels on described electrically-conductive backing plate surface, described induction channels is a plurality of, interval is arranged on described electrically-conductive backing plate surface, described electrically-conductive backing plate edge is provided with multiple control IC, multiple described control IC are connected with described electrically-conductive backing plate by signal transmssion line respectively, and multiple described control IC are connected to a signal output interface by connecting line each other.
As further scheme of the present utility model: described electrically-conductive backing plate edge is additionally provided with a master control IC, described master control IC and is arranged at described signal output interface (350) position, multiple described control IC are connected to described master control IC.Arranging a master control IC, and be connected at master control IC by multiple control IC, the data signal etc. of multiple control IC is analyzed processing by master control IC, and exports a signal, then realizes communication connection by signal output interface with peripheral unit.
As further scheme of the present utility model: described capacitance touch screen also includes the protection glass being arranged on described electrically-conductive backing plate.
Existing capacitance touch screen needs to arrange a plurality of signal transmssion line during the electric connection of electrically-conductive backing plate and IC, the space of substantial amounts of capacitance touch screen is taken in wiring process, and have multiple connecting portion by the connection of a plurality of output line, thus it is easily caused loose contact, and due to too much wiring and joint, it is easily caused user's wrong plug.nullCompared with prior art，Of the present utility model have the technical effect that this utility model is placed directly onto the edge placement of electrically-conductive backing plate by controlling IC，And control IC of the present utility model is multiple，The volume of control IC the most of the present utility model just can arrange small and exquisite，In actual test、In production process，Research staff finds，Fixing control IC of the present utility model can be installed in vacant position, electrically-conductive backing plate edge in process of production，Additionally，It is placed directly onto the edge placement of electrically-conductive backing plate owing to this utility model controls IC，So electrically-conductive backing plate is during being electrically connected with by signal transmssion line and control IC，Have only to by shorter、Less signal transmssion line can realize controlling IC and the electric connection of electrically-conductive backing plate，Compare around electrically-conductive backing plate edge, arrange that excessive space is to lay too much signal transmssion line，This utility model can greatly save the space around electrically-conductive backing plate.Meanwhile, each control IC is connected with each other by this utility model also by connecting line, is connected together by all of control IC, is then connected on a signal output interface, thus facilitates signal output interface and carry out being electrically connected with cooperation.During each control IC is connected with each other, only need several connecting lines to realize, thus control to connect up and can realize between IC at each, it is not necessary to additionally connect up, thus without additionally taking the space at electrically-conductive backing plate edge, it is achieved thereby that save the purpose in electrically-conductive backing plate space.Directly it is arranged around multiple control IC at the edge of electrically-conductive backing plate due to this utility model, thus the electric connection controlling IC with electrically-conductive backing plate can be directly realized by, without too much or long wiring, compared to existing technology, without the most complicated loaded down with trivial details wiring, it is to avoid because connecting portion too much causes bad connection.Additionally, this utility model is owing to connecting during each controls IC without too much wiring, so that the overall structure of capacitance touch screen is simple, during carrying out grafting, due to simple in construction, just it is easily achieved grafting to coordinate, it is not necessary to stronger Professional knowledge also has been able to, and is greatly user-friendly to.
Accompanying drawing explanation
Fig. 1 is the structural representation of existing a kind of capacitance touch screen；
Fig. 2 is the structural representation of existing another kind of capacitance touch screen；
Fig. 3 is the structural representation of this utility model embodiment capacitance touch screen.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is clearly and completely described, it is clear that described embodiment is only a part of embodiment of this utility model rather than whole embodiments.Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into the scope of this utility model protection.
In description of the present utility model, it will be appreciated that, term " " center ", " laterally ", " on ", D score, "left", "right", " vertically ", " level ", " top ", " end ", " interior ", the orientation of the instruction such as " outward " or position relationship be based on orientation shown in the drawings or position relationship; be for only for ease of description this utility model and simplifying and describe; rather than instruction or imply the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to restriction of the present utility model.Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance or the implicit quantity indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or implicitly include one or more this feature.In description of the present utility model, except as otherwise noted, " multiple " are meant that two or more.It addition, term " includes " and any deformation, it is intended that cover non-exclusive comprising.
In description of the present utility model, it should be noted that unless otherwise clearly defined and limited, term " is installed ", " being connected ", " connection " should be interpreted broadly, and connects for example, it may be fixing, it is also possible to be to removably connect, or be integrally connected；Can be to be mechanically connected, it is also possible to be electrical connection；Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, can be the connection of two element internals.For the ordinary skill in the art, above-mentioned term concrete meaning in this utility model can be understood with concrete condition.
In this utility model, capacitance-type touch screen technology is that the electric current sensing utilizing human body is operated.Capacitive touch screen is MULTILAYER COMPOSITE circuit layer, respectively scribbles one layer of conductive materials (such as nanometer silver, ITO, metal wire, metal grill, conducting polymer etc.) at each interlayer, and the conductive coating in interlayer draws multiple electrodes as work surface, surrounding.When finger touches on the metal layer, owing to human body electric field, user and touch screen surface are formed with a coupling electric capacity, for high frequency electric, electric capacity is direct conductor, and then finger siphons away a electric current the least from contact point.This electric current flows out respectively from the electrode touched of touch screen, and controller, by multiple electrodes compare the accurate calculating according to current ratio, draws the position of touch point.
The capacitance touch screen of this utility model embodiment is described below with reference to Fig. 1.
As shown in Figure 1, the open a kind of capacitance touch screen of this utility model, it includes electrically-conductive backing plate 310 and is arranged on the induction channels 320 on described electrically-conductive backing plate 310 surface, described induction channels 320 is a plurality of, interval is arranged on described electrically-conductive backing plate 310 surface, described electrically-conductive backing plate 310 edge is provided with multiple control IC340, multiple described control IC340 are connected with described electrically-conductive backing plate 310 by signal transmssion line 330 respectively, and multiple described control IC340 are connected to a signal output interface 350 by connecting line 370 each other.
Existing capacitance touch screen needs to arrange a plurality of signal transmssion line during the electric connection of electrically-conductive backing plate and IC, the space of substantial amounts of capacitance touch screen is taken in wiring process, and have multiple connecting portion by the connection of a plurality of output line, thus it is easily caused loose contact, and due to too much wiring and joint, it is easily caused user's wrong plug.nullCompared with prior art，Of the present utility model have the technical effect that this utility model is placed directly onto the edge placement of electrically-conductive backing plate by controlling IC，And control IC of the present utility model is multiple，The volume of control IC the most of the present utility model just can arrange small and exquisite，In actual test、In production process，Research staff finds，Fixing control IC of the present utility model can be installed in vacant position, electrically-conductive backing plate edge in process of production，Additionally，It is placed directly onto the edge placement of electrically-conductive backing plate owing to this utility model controls IC，So electrically-conductive backing plate is during being electrically connected with by signal transmssion line and control IC，Have only to by shorter、Less signal transmssion line can realize controlling IC and the electric connection of electrically-conductive backing plate，Compare around electrically-conductive backing plate edge, arrange that excessive space is to lay too much signal transmssion line，This utility model can greatly save the space around electrically-conductive backing plate.Meanwhile, each control IC is connected with each other by this utility model also by connecting line, is connected together by all of control IC, is then connected on a signal output interface, thus facilitates signal output interface and carry out being electrically connected with cooperation.During each control IC is connected with each other, only need several connecting lines to realize, thus control to connect up and can realize between IC at each, it is not necessary to additionally connect up, thus without additionally taking the space at electrically-conductive backing plate edge, it is achieved thereby that save the purpose in electrically-conductive backing plate space.Directly it is arranged around multiple control IC at the edge of electrically-conductive backing plate due to this utility model, thus the electric connection controlling IC with electrically-conductive backing plate can be directly realized by, without too much or long wiring, compared to existing technology, without the most complicated loaded down with trivial details wiring, it is to avoid because connecting portion too much causes bad connection.Additionally, this utility model is owing to connecting during each controls IC without too much wiring, so that the overall structure of capacitance touch screen is simple, during carrying out grafting, due to simple in construction, just it is easily achieved grafting to coordinate, it is not necessary to stronger Professional knowledge also has been able to, and is greatly user-friendly to.
Further, described electrically-conductive backing plate edge is additionally provided with a master control IC, described master control IC is arranged at described signal output interface (350) position, multiple described control IC are connected to described master control IC, one master control IC is set, and multiple control IC are connected at master control IC, the control IC that namely electrically-conductive backing plate is peripheral is pooled to master control IC by connecting line, thus the data signal etc. of multiple control IC is analyzed processing by master control IC, and export a signal, then realize communication connection by signal output interface with peripheral unit.Certainly, master control IC can also be provided directly as signal output interface by the present embodiment, and the most multiple control IC are directly pooled to master control IC, and then, master control IC directly can realize communication connection with peripheral unit.
Further, described capacitance touch screen also includes the protection glass 360 being arranged on described electrically-conductive backing plate.
In the present embodiment, electrically-conductive backing plate can arrange multiple control IC and a master control IC at one side position, multiple control IC and a master control IC can also be set at its two side position, a multiple control IC and master control IC can also be set in its three side, it is also possible to arranges multiple control IC and a master control IC at its four side position.It should be noted that to those skilled in the art, regardless of the several sidepieces around electrically-conductive backing plate, the present embodiment arranges that a multiple control IC and master control IC are in protection domain of the present utility model.
It is obvious to a person skilled in the art that this utility model is not limited to the details of above-mentioned one exemplary embodiment, and in the case of without departing substantially from spirit or essential attributes of the present utility model, it is possible to realize this utility model in other specific forms.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, scope of the present utility model is limited by claims rather than described above, it is intended that all changes fallen in the implication of equivalency and scope of claim included in this utility model.Should not be considered as limiting involved claim by any reference in claim.
In addition, it is to be understood that, although this specification is been described by according to embodiment, but the most each embodiment only comprises an independent technical scheme, this narrating mode of description is only for clarity sake, description should can also be formed, through appropriately combined, other embodiments that it will be appreciated by those skilled in the art that as an entirety, the technical scheme in each embodiment by those skilled in the art.
Claims (3)
1. a capacitance touch screen, including electrically-conductive backing plate (310) and the induction channels (320) that is arranged on described electrically-conductive backing plate surface, it is characterized in that, described induction channels (320) is a plurality of, interval is arranged on described electrically-conductive backing plate (310) surface, described electrically-conductive backing plate (310) edge is provided with multiple control IC(340), multiple described control IC(340) it is connected with described electrically-conductive backing plate (310) by signal transmssion line (330) respectively, multiple described control IC are connected to a signal output interface (350) by connecting line (370) each other.
2. capacitance touch screen as claimed in claim 1, it is characterised in that described electrically-conductive backing plate edge is additionally provided with a master control IC, described master control IC and is arranged at described signal output interface (350) position, and multiple described control IC are connected to described master control IC.
3. capacitance touch screen as claimed in claim 1 or 2, it is characterised in that described capacitance touch screen also includes the protection glass (360) being arranged on described electrically-conductive backing plate (310).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620260482.9U CN205486042U (en) | 2016-03-31 | 2016-03-31 | Capacitive touch screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620260482.9U CN205486042U (en) | 2016-03-31 | 2016-03-31 | Capacitive touch screen |
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| Publication Number | Publication Date |
|---|---|
| CN205486042U true CN205486042U (en) | 2016-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620260482.9U Active CN205486042U (en) | 2016-03-31 | 2016-03-31 | Capacitive touch screen |
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| CN (1) | CN205486042U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105892777A (en) * | 2016-03-31 | 2016-08-24 | 黄良杰 | Capacitive touch screen |
-
2016
- 2016-03-31 CN CN201620260482.9U patent/CN205486042U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105892777A (en) * | 2016-03-31 | 2016-08-24 | 黄良杰 | Capacitive touch screen |
| CN105892777B (en) * | 2016-03-31 | 2019-08-16 | 江苏华科创智技术有限公司 | A kind of capacitance touch screen |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20161018 Address after: 518057 Guangdong Province, Shenzhen Nanshan Science and Technology Park in Southern District Yuexing a Hong Kong University Science & Technology No. 9 and building 412 Patentee after: China Tech Powerise Technology Co., Ltd. of Shenzhen Address before: Hongqi Road high Leshan town 445600 Hubei province Enshi Tujia and Miao Autonomous Prefecture Xianfeng County No. 5 Lane 1 Patentee before: Huang Liangjie |
|
| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: Longgang District of Shenzhen City, Guangdong province 518118 Baolong Industrial Park Qingfeng Road No. 39 Building 8 digital precision factory Patentee after: China Tech Powerise Technology Co., Ltd. of Shenzhen Address before: 518057 Guangdong Province, Shenzhen Nanshan Science and Technology Park in Southern District Yuexing a Hong Kong University Science & Technology No. 9 and building 412 Patentee before: China Tech Powerise Technology Co., Ltd. of Shenzhen |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20181203 Address after: 223800 18 Laser Industrial Park Area A in Sucheng District, Suqian City, Jiangsu Province Patentee after: Jiangsu Huake Creative Intelligence Technology Co., Ltd. Address before: 518118, 8th Floor, Qingfeng Avenue, Baolong Industrial Park, Longgang District, Shenzhen City, Guangdong Province Patentee before: China Tech Powerise Technology Co., Ltd. of Shenzhen |