CN201247461Y - Improved capacitance touch control plate structure - Google Patents
Improved capacitance touch control plate structure Download PDFInfo
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- CN201247461Y CN201247461Y CNU2008201317292U CN200820131729U CN201247461Y CN 201247461 Y CN201247461 Y CN 201247461Y CN U2008201317292 U CNU2008201317292 U CN U2008201317292U CN 200820131729 U CN200820131729 U CN 200820131729U CN 201247461 Y CN201247461 Y CN 201247461Y
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- stitching
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- axis stitching
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Abstract
The utility model relates to an improved capacitive type touchpad structure which comprises a substrate layer, a sensing layer, an insulating layer and a surface layer. The capacitive type touchpad structure is characterized in that the substrate layer is an insulating thin layer with high light transmittance; the sensing layer is a transparent thin film with good conductivity and is provided with a plurality of X axial line traces distributed along the X axle at equal intervals and arranged in parallel and a plurality of Y axial line traces distributed along the Y axle at equal intervals and arranged in parallel, and the X axial line traces and the Y axial line traces are arranged on one plane; the insulating layer is an insulating thin layer with light transmission and provided with a plurality of through holes in pairs, and the positions of the through holes in pairs respectively corresponds to every two adjacent sensing units for the Y axial line traces; and the surface layer is an insulating board with light transmission.
Description
Technical field
The utility model relates to a kind of touch pad structure, specifically, is that a kind of X-axis and Y-axis induction stitching (Trace) is provided with capacitive touch control plate at grade.
Background technology
Known capacitance formula touch pad structure comprises an X-axis inductive layer and a Y-axis inductive layer, be arranged in the touch-control plate body with making X, the insulation of Y-axis inductive layer, and with X, Y-axis inductive layer ground connection and be connected to a control circuit respectively, during running, the moment that finger or conductor by the user touches produces capacity effect, thereby is determined the position of finger or conductor by capacitance variation.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 of this Trackpad is simple in structure, assembly is few, product fine rate height, and be fit to produce to reduce cost in a large number.But, because known capacitance formula Trackpad is respectively X, Y-axis induction stitching to be located on two different planes, therefore in the procedure for producing of Trackpad, when being arranged on two X, Y-axis induction stitchings on the Different Plane and repeatedly connecing combination, regular meeting has the inaccurate phenomenon of contraposition to take place, and causes the susceptibility of capacitive sensing signal of Trackpad and the problem that degree of accuracy reduces; In addition, because the decorative pattern of stitching portion that forms on different separately planes and non-stitching portion (being hollow-out parts) has different transmittances, its result can cause the light refraction inequality that penetrates panel, will cause screen deformation of image, fuzzy distortion.
Therefore known capacitance touching control plate structure exists above-mentioned all inconvenience and problem.
Summary of the invention
The purpose of this utility model, be to propose a kind of with X axis and Y-axis to induction stitching (Trace) at grade modified capacitance touching control plate structure is set.
For achieving the above object, technical solution of the present utility model is:
A kind of modified capacitance touching control plate structure comprises a basalis, an inductive layer, and an insulation course and a superficial layer is characterized in that:
Described basalis is the insulativity thin layer of high transmission rate;
Described inductive layer, for having the transparent membrane of good conductive characteristic, contain plural X axis equidistant placement and the X-axis stitching that is arranged in parallel with each other and plural Y-axis to equidistant placement and the Y-axis stitching that is arranged in parallel with each other, and described X-axis stitching and Y-axis stitching are set up at grade, and being matrix form is crisscross arranged, wherein, each sensing unit that is arranged on indivedual X-axis stitchings is to be connected to each other, each sensing unit that is arranged on indivedual Y-axis stitchings then is disconnected spaced each other, and the front end of described each X-axis stitching and Y-axis stitching is respectively equipped with contact;
Described insulation course, insulativity thin layer for light transmission, and be provided with the paired through hole of plural number, the position of described each paired through hole corresponds respectively to described on each two adjacent sensing unit of Y-axis stitching just, and respectively described each surface above between the through hole striden establish an electrical lead, described electrical lead two ends are open among described through hole and form electricity and meet portion;
Described superficial layer is the insulativity sheet material of tool light transmission;
Wherein, when combination, described insulation course is covered in described inductive layer top, cover the X-axis stitching and the Y-axis stitching of described inductive layer with insulation, and the two end electricity that make each electrical lead on the described insulation course connect portion by described through hole respectively the electricity be connected on each two adjacent sensing unit of the Y-axis stitching on the described inductive layer, electricity is logical in succession each other to make described each sensing unit on indivedual Y-axis stitchings, and described each layer in regular turn each other the gummed change into a transparent plate body after, the front edge contact that makes each X-axis stitching on the described inductive layer and Y-axis stitching electricity respectively is connected to the silver-colored guide passage that is arranged on face plate edge, and connect to signal output winding displacement, make the induced signal of described capacitive touch control plate be sent to follow-up signal processing circuit via described signal output winding displacement.
Modified capacitance touching control plate structure of the present utility model can also be further achieved by the following technical measures.
Aforesaid modified capacitance touching control plate structure, wherein said insulation course adopt dielectric coefficient to be about 2～4 high transmission rate insulativity layer material.
Aforesaid modified capacitance touching control plate structure, wherein said high transmission rate insulativity layer material is printing ink or mylar.
Aforesaid modified capacitance touching control plate structure, wherein said electrical lead is transparent organic conductive material.
Aforesaid modified capacitance touching control plate structure, wherein said electrical lead is the transparent conductive film of tin indium oxide material.
After adopting technique scheme, modified capacitance touching control plate structure of the present utility model has the following advantages:
1. the laying style of stitching is neatly regular.
2. promote the susceptibility and the degree of accuracy of Trackpad induction usefulness.
3. can significantly reduce the ratio of the non-stitching portion (being hollow-out parts) on the described inductive layer.
4. improve video picture quality at the display screen of described Trackpad bottom.
Description of drawings
Fig. 1 is that member of the present utility model separates stereographic map;
Fig. 2 is the part front view (FV) of insulation course of the present utility model and inductive layer combination;
Fig. 3 is along the side cut-away view of E-E transversal among Fig. 2.
Embodiment
Below in conjunction with embodiment and accompanying drawing thereof the utility model is illustrated further.
Now see also Fig. 1～Fig. 3, Fig. 1 is that member of the present utility model separates stereographic map, and Fig. 2 be the part front view (FV) that insulation course of the present utility model and inductive layer make up, and Fig. 3 is along the side cut-away view of E-E transversal among Fig. 2.As shown in the figure, embodiment of the present utility model is the capacitive touch control plate of the transparent plate body of a tool, is mainly gluedd joint to coincide each other in regular turn by a subbase 1, an inductive layer 2, an insulation course 3 and a superficial layer 4 to form; Wherein, described subbase 1 and superficial layer 4 are the insulativity thin layer sheet material of a high transmission rate, for example be glass, polycarbonate (Polycarbonate, PC), polyester (Polythylene terephthalate, PET), polymethylmethacrylate (polymethylmethacrylate, PMMA) or the membraneous material of cycloolefin co-polymer (Cyclic OlefinCopolymer); Described inductive layer 2 then can be selected transparent conductive film for use, for example be tin indium oxide (Indium Tin Oxide), or transparent organic conductive material film, it for example is poly-enedioxy thiophene (PEDOT), the transparent X-axis stitching (Trace) 21 that described inductive layer 2 contains most X axis equidistant placement and is arranged in parallel with each other, and most Y-axis are to equidistant placement and the transparent Y-axis stitching 22 that is arranged in parallel with each other, and X-axis stitching 21 is matrix form with Y-axis stitching 22 and is crisscross arranged, wherein, each sensing unit (induction-spot) 21a that is arranged on described indivedual X-axis stitching is connected with each other logical, each sensing unit 22a that is arranged on described indivedual Y-axis stitching 22 then is disconnected spaced each other, preferred described stitching 21,22 width are about 0.05～5mm usually, line end at X-axis stitching 21 has stitching contact 24, line end at Y-axis stitching 22 has stitching contact 25, described stitching contact 24,25 can be respectively electricity be connected to the silver-colored guide passage 7a of face plate edge, 7b, and be connected to described signal output winding displacement (not being shown in drawing), make the induced signal of X-axis stitching 21 and Y-axis stitching 22 on the described inductive layer 2 be sent to a follow-up signal treatment circuit (not being shown in drawing) in view of the above via described signal output winding displacement; Described insulation course 3 adopts dielectric coefficients (permittivity) to be about 2～4 and the insulativity layer material of tool high transmission rate, the for example printing ink or the mylar of high transmission rate, and described insulation course is provided with the paired through hole 31 of plural number, it is described on each two adjacent sensing unit 22a of Y-axis stitching that each position to through hole 31 just can be corresponded respectively to, and respectively at each surface, the insulation course between through hole top is striden and to establish an electrical lead 32, described electrical lead 32 2 ends are open in described through hole 31 and form electricity and meet the 32a of portion, wherein, described electrical lead 32 can be selected transparent organic conductive material for use, for example is poly-enedioxy thiophene; During combination, described inductive layer 2 tops are located in described insulation course 3 linings, cover with 22 insulation of Y-axis stitching with X-axis stitching 21 described inductive layer, and the two end electricity that make each electrical lead on the described insulation course 3 connect the 32a of portion by described through hole 31 respectively the electricity be connected on each two adjacent sensing unit 22a of the Y-axis stitching on the described inductive layer 2, electricity is logical in succession each other to make each sensing unit 22a on indivedual Y-axis stitchings 22 thus, thereby X-axis stitching 21 and Y-axis stitching 22 are set on the plane of same inductive layer.
Setting as said structure, between X-axis stitching 21 and silver-colored guide passage 7a, form an equivalent capacity, between Y-axis stitching 22 and silver-colored guide passage 7b, 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 utility model 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.And the capacitive touch control plate of the utility model embodiment with X axis and Y-axis to the induction stitching be arranged on the same plane, can make the installation position of respectively responding to stitching accurate, promote the susceptibility and the degree of accuracy of capacitive sensing usefulness; In addition, the two is tessellated square crossing mutually and arranges to stitching 22 for the X axis stitching 21 of the utility model embodiment and Y-axis, and be formed on the plane of same inductive layer, not only the laying style of stitching is neatly regular, and significantly reduce the ratio of the non-stitching portion (being hollow-out parts) on the described inductive layer, therefore can bring up the comparatively transmittance of homogeneous, improve video picture quality at the display screen of described Trackpad bottom.
Above embodiment is only for the usefulness that the utility model is described, but not to restriction of the present utility model, person skilled in the relevant technique under the situation that does not break away from spirit and scope of the present utility model, can also be made various conversion or variation.Therefore, all technical schemes that are equal to also should belong to category of the present utility model, should be limited by each claim.
Claims (5)
1, a kind of modified capacitance touching control plate structure comprises a basalis, an inductive layer, and an insulation course and a superficial layer is characterized in that:
Described basalis is the insulativity thin layer of high transmission rate;
Described inductive layer, for having the transparent membrane of good conductive characteristic, contain plural X axis equidistant placement and the X-axis stitching that is arranged in parallel with each other and plural Y-axis to equidistant placement and the Y-axis stitching that is arranged in parallel with each other, and described X-axis stitching and Y-axis stitching are set up at grade, and being matrix form is crisscross arranged, wherein, each sensing unit that is arranged on indivedual X-axis stitchings is to be connected to each other, each sensing unit that is arranged on indivedual Y-axis stitchings then is disconnected spaced each other, and the front end of described each X-axis stitching and Y-axis stitching is respectively equipped with contact;
Described insulation course, insulativity thin layer for light transmission, and be provided with the paired through hole of plural number, the position of described each paired through hole corresponds respectively to described on each two adjacent sensing unit of Y-axis stitching just, and respectively described each surface above between the through hole striden establish an electrical lead, described electrical lead two ends are open among described through hole and form electricity and meet portion;
Described superficial layer is the insulativity sheet material of tool light transmission;
Wherein, when combination, described insulation course is covered in described inductive layer top, cover the X-axis stitching and the Y-axis stitching of described inductive layer with insulation, and the two end electricity that make each electrical lead on the described insulation course connect portion by described through hole respectively the electricity be connected on each two adjacent sensing unit of the Y-axis stitching on the described inductive layer, electricity is logical in succession each other to make described each sensing unit on indivedual Y-axis stitchings, and described each layer in regular turn each other the gummed change into a transparent plate body after, the front edge contact that makes each X-axis stitching on the described inductive layer and Y-axis stitching electricity respectively is connected to the silver-colored guide passage that is arranged on face plate edge, and connect to signal output winding displacement, make the induced signal of described capacitive touch control plate be sent to follow-up signal processing circuit via described signal output winding displacement.
2, modified capacitance touching control plate structure as claimed in claim 1 is characterized in that, described insulation course adopts dielectric coefficient to be about 2～4 high transmission rate insulativity layer material.
3, modified capacitance touching control plate structure as claimed in claim 2 is characterized in that, described high transmission rate insulativity layer material is printing ink or mylar.
4, modified capacitance touching control plate structure as claimed in claim 1 is characterized in that, described electrical lead is transparent organic conductive material.
5, modified capacitance touching control plate structure as claimed in claim 1 is characterized in that, described electrical lead is the transparent conductive film of tin indium oxide material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201317292U CN201247461Y (en) | 2008-07-21 | 2008-07-21 | Improved capacitance touch control plate structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201317292U CN201247461Y (en) | 2008-07-21 | 2008-07-21 | Improved capacitance touch control plate structure |
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| CN201247461Y true CN201247461Y (en) | 2009-05-27 |
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| CNU2008201317292U Expired - Fee Related CN201247461Y (en) | 2008-07-21 | 2008-07-21 | Improved capacitance touch control plate structure |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101996007A (en) * | 2009-08-18 | 2011-03-30 | 深圳欧菲光科技股份有限公司 | Wiring method for capacitive touch screen electric conductive circuit |
| CN101576794B (en) * | 2009-06-05 | 2011-05-18 | 深圳莱宝高科技股份有限公司 | Capacitive touch screen and manufacturing method thereof |
| CN101706695B (en) * | 2009-11-12 | 2011-07-20 | 友达光电股份有限公司 | Touch-control display panel and touch-control sensing unit thereof |
| CN102314271A (en) * | 2010-07-07 | 2012-01-11 | 宸鸿科技(厦门)有限公司 | Capacitive touch graphic structure and manufacturing method thereof, touch panel and touch display device |
| CN103123559A (en) * | 2011-11-17 | 2013-05-29 | 升达科技股份有限公司 | Capacitance-type touchpad structure and manufacturing method thereof |
| CN103135863A (en) * | 2011-11-23 | 2013-06-05 | 比亚迪股份有限公司 | Capacitive touch screen and manufacture method of capacitive touch screen |
| CN103412662A (en) * | 2013-03-30 | 2013-11-27 | 深圳欧菲光科技股份有限公司 | Touch panel and preparation method thereof |
| TWI494829B (en) * | 2009-10-23 | 2015-08-01 | M Solv Ltd | Capacitive touch panels |
-
2008
- 2008-07-21 CN CNU2008201317292U patent/CN201247461Y/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101576794B (en) * | 2009-06-05 | 2011-05-18 | 深圳莱宝高科技股份有限公司 | Capacitive touch screen and manufacturing method thereof |
| CN101996007A (en) * | 2009-08-18 | 2011-03-30 | 深圳欧菲光科技股份有限公司 | Wiring method for capacitive touch screen electric conductive circuit |
| TWI494829B (en) * | 2009-10-23 | 2015-08-01 | M Solv Ltd | Capacitive touch panels |
| CN102648446B (en) * | 2009-10-23 | 2016-01-20 | 万佳雷射有限公司 | Capacitive touch screen |
| CN101706695B (en) * | 2009-11-12 | 2011-07-20 | 友达光电股份有限公司 | Touch-control display panel and touch-control sensing unit thereof |
| CN102314271A (en) * | 2010-07-07 | 2012-01-11 | 宸鸿科技(厦门)有限公司 | Capacitive touch graphic structure and manufacturing method thereof, touch panel and touch display device |
| CN102314271B (en) * | 2010-07-07 | 2014-11-05 | 宸鸿科技(厦门)有限公司 | Capacitive touch graphic structure and manufacturing method thereof, touch panel and touch display device |
| CN103123559A (en) * | 2011-11-17 | 2013-05-29 | 升达科技股份有限公司 | Capacitance-type touchpad structure and manufacturing method thereof |
| CN103135863A (en) * | 2011-11-23 | 2013-06-05 | 比亚迪股份有限公司 | Capacitive touch screen and manufacture method of capacitive touch screen |
| CN103135863B (en) * | 2011-11-23 | 2016-08-17 | 深圳市比亚迪电子部品件有限公司 | A kind of capacitance touch screen and preparation method thereof |
| CN103412662A (en) * | 2013-03-30 | 2013-11-27 | 深圳欧菲光科技股份有限公司 | Touch panel and preparation method thereof |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090527 Termination date: 20170721 |