CN101261558A - Touch control induction device - Google Patents
Touch control induction device Download PDFInfo
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- CN101261558A CN101261558A CNA2007100867308A CN200710086730A CN101261558A CN 101261558 A CN101261558 A CN 101261558A CN A2007100867308 A CNA2007100867308 A CN A2007100867308A CN 200710086730 A CN200710086730 A CN 200710086730A CN 101261558 A CN101261558 A CN 101261558A
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Abstract
A touch sensing device comprises a panel, a first shaft sensing layer, a second shaft sensing layer, an insulation layer which is arranged between the first and the second shaft sensing layers and a substrate, all the layers can be mutually glued and overlapped into a transparent plate body, the first shaft sensing layer and the second shaft sensing layer are respectively provided with contacts and electrically connected with a silver guide way which is arranged at the edge of the panel, which are further communicated with a signal output laying line, then the sensing signals of the sensing layers can be transmitted to a follow-up signal processing circuit by the signal output laying line; wherein, the first shaft sensing layer and the second shaft sensing layer are produced by etching indium tin oxide (ITO) transparent thin films which have good conductive properties, and the surface of the bottom of the substrate is further provided with an electromagnetic shield layer, thus blocking the electromagnetic interference on a control plate.
Description
Technical field
The present invention is relevant a kind of touch control induction device, refers to a kind of configurablely use on the display screen pattern of small-sized electronic product especially, and is to utilize capacitive sensing and the touch control induction device that carries out input position identification.
Background technology
Touch control induction device is relevant in recent years produces rapid technological improvement, the usefulness of its product and the quality of member are constantly promoted, significantly reducing especially in price, thereby impel various touch control induction device to be widely used on every electronic product, for example use the mouse pad as mobile computer, the capacitive touch control plate of virtual touch button, or generally be configured in the resistor type touch control plate that uses on the screen of PDA(Personal Digital Assistant), electronic dictionary, mobile phone, MP3 digital player, satellite navigation screen small-sized electronic products such as (GPS).
Known capacitance touching control plate structure slightly is to comprise an x axle inductive layer and a y axle inductive layer, be provided with within this touch-control plate body with making x, the insulation of y axle inductive layer, and with x, y axle inductive layer ground connection and be connected to a control circuit respectively, the moment of being touched by user's finger or conductor during running produces a capacity effect, thereby can be determined the position of finger or conductor by the variation of capacitance; Because capacitive touch control plate can be imported with finger, convenience with input operation, and its input operation need be through not pressing, can not allow panel have to bear alternate stress, distortion to cause the shortcoming of damaging, and the composition simple structure of this kind Trackpad, assembly are few, product yield height, and be fit to use a large amount of production to reduce cost; Yet, this capacitive touch control plate is to use Copper Foil as its inductive layer, therefore be subject to properties of materials, even Copper Foil be processed into again thin also can not become transparent, so made Trackpad can't be configured in the display screen front and use, as interactive input tool, so general this capacitive touch control plate is applied to mostly, for example, mouse pad or some are as purposes such as virtual controlling keys.
As for, the structure of general resistor type touch control plate then mainly comprises the subtend configuration to separate certain interval of two planar conducting films, usually conducting film up is a surface that is arranged at a flexual transparent membrane, below conducting film then be arranged at a surface with transparent glass substrate of hard material, between two of subtend configuration, have most convex dot shape spacing bodies, and in the setting area of conducting film, reserve at interval, and at the ring periphery in this zone coating viscose glue, according to this two sealing is bonded together, in the aforementioned subtend configuration, following resistive film is respectively last, a lower side or a left side, right edge has the silver-colored road that can transmit the resistive film signal, in order to the resistive film signal that input is detected to touch-control is sent to signal processing circuit; The plate body up and down and the conducting film of this resistor type touch control plate are transparent material, therefore before being fit to be configured in the display screen of electronic product, allow the user push the panel desired location to touch by the indication on the screen-picture, carry out the input of function thus, and it can use general easily available things such as nib to press position operation accurately, therefore can carry out meticulousr input operation; Yet aforementioned resistor type touch control plate by the input operation mode that presses panel, can make the conducting film of plate body inside bear alternate stress, distortion causes infringement, so serviceable life is limited, and when it uses finger or the thicker instrument in termination to import, the more inaccurate input results that can obtain is so the input tool that uses also has many restrictions.
Therefore, a kind of long service life and the configurable touch control induction device of being convenient to operate that uses on the electronic product display screen are the purposes of each businessman's research and development.
Summary of the invention
Of the present inventionly mainly provide a kind of configurablely on the display screen pattern of small-sized electronic product, use, and be to utilize capacitive sensing and the touch control induction device that carries out input position identification.
According to the present invention, a kind of touch control induction device is characterized in that, comprises:
One panel is the insulativity thin layer of high transmission rate;
First inductive layer, for having the transparent membrane of good conductive characteristic, it contains the first axle mark, and is provided with contact in this axis traces end;
One insulation course is the insulativity thin layer of light transmission;
Second inductive layer, for having the transparent membrane of good conductive characteristic, it contains second axis traces, and is provided with contact in this axis traces end;
One substrate is the insulativity sheet material of tool light transmission; And
One signal output winding displacement is provided with some guide passages in this winding displacement; Glue together each other in regular turn between aforementioned each layer and splice into a transparent plate body, and make the described first axle mark and second axis traces be matrix form being crisscross arranged, utilization is at the electric respectively silver-colored guide passage that is located at face plate edge that is connected to of the contact of first inductive layer and second inductive layer, and be communicated to this signal output winding displacement, make the induced signal of inductive layer be sent to follow-up signal processing circuit via this signal output winding displacement.
Wherein, the conductive clear film of first inductive layer and second inductive layer is to be indium tin oxide films.
According to the present invention, a kind of touch control induction device is characterized in that, comprises:
One panel is the insulativity thin layer of high transmission rate;
First inductive layer, for having the transparent membrane of good conductive characteristic, it contains the first axle mark, and is provided with contact in this axis traces end;
One insulation course is the insulativity thin layer of light transmission;
Second inductive layer, for having the transparent membrane of good conductive characteristic, it contains second axis traces, and is provided with contact in this axis traces end;
One substrate is the insulativity sheet material of tool light transmission, on this substrate and meet on the surface of aforementioned second inductive layer and be provided with transit point, is provided with some some glue holes of running through plate body on this transit point, and inserts conductive materials respectively in these glue holes;
One electro-magnetic screen layer for having the transparent membrane of good conductive characteristic, is located at the basal surface of aforesaid base plate, and is connect with aforementioned first inductive layer and second inductive layer electricity by the conductive materials in aforementioned some glue hole, and as they's ground plane; And
One signal output winding displacement is provided with some guide passages in this winding displacement; Glue together each other in regular turn between aforementioned each layer and splice into a transparent plate body, and make the described first axle mark and second axis traces be matrix form being crisscross arranged, utilization responds to layer by layer with this electro-magnetic screen layer and this two that series electrical is connected together and as ground wire, be communicated to this signal output winding displacement again, make the induced signal of inductive layer be sent to follow-up signal processing circuit via this signal output winding displacement.
Wherein, the conductive clear film of first inductive layer, second inductive layer and electro-magnetic screen layer is to be indium tin oxide films.
The present invention is not limited to the above form; clearly; with regard to haveing the knack of this technology personage; after the above-mentioned explanation of reference; more improvement and variation can be arranged, be with, all have in that identical creation spirit is following do relevant any modification of the present invention or change; all must be included in the category that the invention is intended to protect, and give Chen Ming.And will go on to say with a specific embodiment after being next to, further to illustrate character of innovation of the present invention.
Description of drawings
For the effect that makes the convenient simple and direct understanding further feature content of the present invention of auditor and advantage and reached can more manifest, below in conjunction with embodiment and accompanying drawing describe in detail as after, wherein:
Fig. 1 cuts open for the side of touch control induction device of the present invention and shows structural map; And
Fig. 2 is the pictorial diagram of inductive layer 2 of the present invention and 3;
Fig. 3 cuts open for the side of another embodiment of the present invention touch control induction device and shows structural map; And
Fig. 4 is the transit point planimetric map of the substrate of Fig. 3.
Embodiment
As shown in Figure 1 and Figure 2, first embodiment of the invention is the capacitance touching control induction installation of the transparent plate body of a tool, it comprises panel 1, and X-axis inductive layer 2, Y-axis inductive layer 3, are arranged on insulation course 4, a substrate 5 and the signal output winding displacement 6 between X-axis and the Y-axis inductive layer; Wherein, this panel 1 is the insulativity layer material of a high transmission rate, for example can select polyester (PET) film or cycloolefin co-polymer (CyclicOlefin Copolymer) material for use, the transparent membrane that X-axis inductive layer 2 and Y-axis inductive layer 3 optional usefulness have the good conductive characteristic, for example be tin indium oxide (indiumtinoxide, be called for short ITO) film, insulation course 4 between X-axis and Y-axis inductive layer also is an insulating material of selecting the tool light transmission for use, the for example printing ink or the mylar of high transmission rate, 5 of this substrates make the transparent plate of apparatus hard rigid material, transparency glass plate for example, acrylic plate, polyester sheet, this signal output winding displacement 6 can be selected flexible print wiring board (FPC) for use, and be provided with some guide passages in this winding displacement, and the glue-bondable each other transparent plate body that splices between the aforementioned layers of material, this X-axis inductive layer 2 is respectively equipped with contact 21 with Y-axis inductive layer 3 again, 31 and connect by the silver-colored guide passage 61 that is arranged on face plate edge and to be sent to this signal output winding displacement 6, be sent to follow-up signal processing circuit then.
Setting as said structure, between X-axis inductive layer 2 and silver-colored guide passage 61, form an equivalent capacity, between Y-axis inductive layer 3 and silver-colored guide passage 61, also there is an equivalent capacity, therefore when finger or conductor touches or gently slip over Trackpad when surperficial, signal processing circuit can be judged the touch location of conductor or finger by changes in capacitance; Before transparent touch plate of the present invention in view of the above can be configured in the display screen of electronic product, the user can be touched in the panel desired location with finger by the indication on the screen-picture, can facility carry out input operation.
As Fig. 3, shown in Figure 4, second embodiment of the invention is one can get rid of electromagnetic interference (EMI) (Electro Magnetic Interference, the capacitance touching control induction installation of transparent plate body EMI), it comprises panel 1, X-axis induction 2, Y-axis induction 3, one is arranged on the insulation course 4 between X-axis and the Y-axis inductive layer, one substrate 5, an one signal output winding displacement 6 and an electro-magnetic screen layer 7 are wherein, this panel 1 is the insulativity layer material of a high transmission rate, for example can select polyester (PET) film or cycloolefin co-polymer (COC) material for use, the transparent membrane that X-axis inductive layer 2 and Y-axis inductive layer 3 optional usefulness have the good conductive characteristic, it for example is tin indium oxide (ITO) film, insulation course 4 between X-axis and Y-axis inductive layer also is an insulating material of selecting the tool light transmission for use, the for example printing ink or the mylar of high transmission rate, 5 of this substrates make the transparent plate of apparatus hard rigid material, transparency glass plate for example, acrylic plate, this signal output winding displacement 6 can be selected flexible print wiring board (FPC) for use, and be provided with some guide passages in this winding displacement, this electro-magnetic screen layer 7 is basal surfaces of being located at substrate 5, optional usefulness has the transparent membrane of good conductive characteristic, it for example is tin indium oxide (ITO) film, and glue-bondable each other winding becomes a transparent plate body between preceding several layers of material, be respectively equipped with contact 21 at this first inductive layer 2 and second inductive layer 3 again, 31, on this substrate 5 and meet and on the surface of aforementioned second inductive layer 3, have transit point 51, on this transit point, be provided with some some glue holes 52 of running through plate body, and in these glue holes, insert conductive materials respectively, in view of the above with the contact 21 of this X-axis inductive layer 2 with Y-axis inductive layer 3,31 electricity are connected on the transit point 51, this electro-magnetic screen layer 7 and this X-axis inductive layer 2 and Y-axis inductive layer 3 series electrical are connected together as ground wire, be sent to this signal output winding displacement 6 again, be sent to follow-up signal processing circuit then.
Setting as said structure, between X-axis inductive layer 2 and electro-magnetic screen layer 7, form an equivalent capacity, between Y-axis inductive layer 3 and electro-magnetic screen layer 7, also there is an equivalent capacity, therefore when finger or conductor touches or gently slip over Trackpad when surperficial, signal processing circuit can be judged the touch location of conductor or finger by changes in capacitance; And this electro-magnetic screen layer 7 is except that the ground wire that can use this X-axis inductive layer 2 and Y-axis inductive layer 3 as, and also the electromagnetic interference signal that can stop is to keep the normal operation of this capacitive touch control plate.
Claims (4)
1. a touch control induction device is characterized in that, comprises:
One panel is the insulativity thin layer of high transmission rate;
First inductive layer, for having the transparent membrane of good conductive characteristic, it contains the first axle mark, and is provided with contact in this axis traces end;
One insulation course is the insulativity thin layer of light transmission;
Second inductive layer, for having the transparent membrane of good conductive characteristic, it contains second axis traces, and is provided with contact in this axis traces end;
One substrate is the insulativity sheet material of tool light transmission; And
One signal output winding displacement is provided with some guide passages in this winding displacement; Glue together each other in regular turn between aforementioned each layer and splice into a transparent plate body, and make the described first axle mark and second axis traces be matrix form being crisscross arranged, utilization is at the electric respectively silver-colored guide passage that is located at face plate edge that is connected to of the contact of first inductive layer and second inductive layer, and be communicated to this signal output winding displacement, make the induced signal of inductive layer be sent to follow-up signal processing circuit via this signal output winding displacement.
2. as claim 1 a described touch control induction device, it is characterized in that wherein, the conductive clear film of first inductive layer and second inductive layer is to be indium tin oxide films.
3. a touch control induction device is characterized in that, comprises:
One panel is the insulativity thin layer of high transmission rate;
First inductive layer, for having the transparent membrane of good conductive characteristic, it contains the first axle mark, and is provided with contact in this axis traces end;
One insulation course is the insulativity thin layer of light transmission;
Second inductive layer, for having the transparent membrane of good conductive characteristic, it contains second axis traces, and is provided with contact in this axis traces end;
One substrate is the insulativity sheet material of tool light transmission, on this substrate and meet on the surface of aforementioned second inductive layer and be provided with transit point, is provided with some some glue holes of running through plate body on this transit point, and inserts conductive materials respectively in these glue holes;
One electro-magnetic screen layer for having the transparent membrane of good conductive characteristic, is located at the basal surface of aforesaid base plate, and is connect with aforementioned first inductive layer and second inductive layer electricity by the conductive materials in aforementioned some glue hole, and as they's ground plane; And
One signal output winding displacement is provided with some guide passages in this winding displacement; Glue together each other in regular turn between aforementioned each layer and splice into a transparent plate body, and make the described first axle mark and second axis traces be matrix form being crisscross arranged, utilization responds to layer by layer with this electro-magnetic screen layer and this two that series electrical is connected together and as ground wire, be communicated to this signal output winding displacement again, make the induced signal of inductive layer be sent to follow-up signal processing circuit via this signal output winding displacement.
4. as claim 3 a described touch control induction device, it is characterized in that wherein, the conductive clear film of first inductive layer, second inductive layer and electro-magnetic screen layer is to be indium tin oxide films.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100867308A CN101261558A (en) | 2007-03-08 | 2007-03-08 | Touch control induction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100867308A CN101261558A (en) | 2007-03-08 | 2007-03-08 | Touch control induction device |
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| Publication Number | Publication Date |
|---|---|
| CN101261558A true CN101261558A (en) | 2008-09-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007100867308A Pending CN101261558A (en) | 2007-03-08 | 2007-03-08 | Touch control induction device |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101882515A (en) * | 2010-06-18 | 2010-11-10 | 矽创电子股份有限公司 | Key structure and electrical installation thereof |
| WO2011150797A1 (en) * | 2010-06-02 | 2011-12-08 | 无锡阿尔法电子科技有限公司 | Capacitive touch control panel |
| WO2011153738A1 (en) * | 2010-06-12 | 2011-12-15 | Tpk Touch Solutions (Xiamen) Inc. | Touch sensing circuit and method for making the same |
| CN102446028A (en) * | 2012-01-17 | 2012-05-09 | 苏州瀚瑞微电子有限公司 | Wiring structure for single-layer ITO (Indium Tin Oxide) |
| CN101931392B (en) * | 2009-06-24 | 2012-12-26 | 台湾驻极体电子股份有限公司 | Unbiased electret three-dimensional multi-point touch device |
| CN101902217B (en) * | 2009-06-01 | 2013-03-27 | 冠华科技股份有限公司 | Structural improvement for digital capacitance touch pad |
| CN103530004A (en) * | 2012-09-29 | 2014-01-22 | 洛阳市凌空安全玻璃有限公司 | Bonding technology of glass-structure capacitive touch screen |
| CN103823605B (en) * | 2014-03-03 | 2017-01-25 | 华强云投资控股有限公司 | Processing method of handwriting data between electromagnetic screens and electromagnetic screen system |
| WO2021007955A1 (en) * | 2019-07-16 | 2021-01-21 | 深圳市汇顶科技股份有限公司 | Capacitance detection apparatus and electronic device |
| WO2022036705A1 (en) * | 2020-08-21 | 2022-02-24 | 京东方科技集团股份有限公司 | Control module and fabrication method therefor, and electronic device |
-
2007
- 2007-03-08 CN CNA2007100867308A patent/CN101261558A/en active Pending
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101902217B (en) * | 2009-06-01 | 2013-03-27 | 冠华科技股份有限公司 | Structural improvement for digital capacitance touch pad |
| CN101931392B (en) * | 2009-06-24 | 2012-12-26 | 台湾驻极体电子股份有限公司 | Unbiased electret three-dimensional multi-point touch device |
| WO2011150797A1 (en) * | 2010-06-02 | 2011-12-08 | 无锡阿尔法电子科技有限公司 | Capacitive touch control panel |
| US9454267B2 (en) | 2010-06-12 | 2016-09-27 | Tpk Touch Solutions (Xiamen) Inc. | Touch sensing circuit and method for making the same |
| WO2011153738A1 (en) * | 2010-06-12 | 2011-12-15 | Tpk Touch Solutions (Xiamen) Inc. | Touch sensing circuit and method for making the same |
| CN101882515A (en) * | 2010-06-18 | 2010-11-10 | 矽创电子股份有限公司 | Key structure and electrical installation thereof |
| CN102446028A (en) * | 2012-01-17 | 2012-05-09 | 苏州瀚瑞微电子有限公司 | Wiring structure for single-layer ITO (Indium Tin Oxide) |
| CN103530004A (en) * | 2012-09-29 | 2014-01-22 | 洛阳市凌空安全玻璃有限公司 | Bonding technology of glass-structure capacitive touch screen |
| CN103823605B (en) * | 2014-03-03 | 2017-01-25 | 华强云投资控股有限公司 | Processing method of handwriting data between electromagnetic screens and electromagnetic screen system |
| WO2021007955A1 (en) * | 2019-07-16 | 2021-01-21 | 深圳市汇顶科技股份有限公司 | Capacitance detection apparatus and electronic device |
| US11953350B2 (en) | 2019-07-16 | 2024-04-09 | Shenzhen GOODIX Technology Co., Ltd. | Capacitance detection apparatus and electronic device |
| WO2022036705A1 (en) * | 2020-08-21 | 2022-02-24 | 京东方科技集团股份有限公司 | Control module and fabrication method therefor, and electronic device |
| US11848277B2 (en) | 2020-08-21 | 2023-12-19 | Boe Technology Group Co., Ltd. | Control module, method for manufacturing same, and electronic device |
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Open date: 20080910 |