CN201465082U

CN201465082U - Capacitive touch panel

Info

Publication number: CN201465082U
Application number: CN2009200463192U
Authority: CN
Inventors: 陈栋南
Original assignee: MUTTO OPTRONICS Corp
Current assignee: MUTTO OPTRONICS Corp
Priority date: 2009-06-03
Filing date: 2009-06-03
Publication date: 2010-05-12
Anticipated expiration: 2019-06-03

Abstract

The utility model discloses a capacitive touch panel, which comprises a flat cable and a transparent plate body connected with the flat cable, wherein the transparent plate body is formed by a surface layer, film material, a sensing layer, an optical cement layer and a base plate in a pressing way. The touch zone of the sensing layer comprises a plurality of X1 axis traces, X2 axis traces and Y axis traces and a plurality of sensing units, wherein the X1 axis traces, the X2 axis traces and the Y axis traces are staggered in matrixes on a same plane, and the sensing units are distributed in the matrixes. The sensing units on the same X1 axis trace or X2 axis trace are connected with each other. The sensing units on the Y axis traces are arranged at intervals. The utility model is characterized in that the shapes and the areas of the sensing units are consistent, every two sensing units are combined in the matrix of the axis trace, insulating jump connection layers with Y axis trace jump connection conducting wires are arranged in the touch zone and the edge of the touch zone, the sensing units on the same Y axis trace are connected with each other, and the sensing areas of the sensing units in the working area of the touch zone are evenly distributed. The utility model has the advantages that the effective working area of the touch panel is minimized, the rate of fine products is improved and the cost is reduced.

Description

Capacitance type touch-control panel

Technical field

The utility model relates to a kind of contact panel, relates in particular to a kind of capacitor induction type contact panel structure.

Background technology

In recent years because the fast development of contact panel industry, production cost is significantly reduced, and be widely used on the consumer electronics commodity, for example: mobile phone, digital camera, satellite navigator (GPS), digital music box (MP4), personal digital aid (PDA) (PDA) etc. have the electronic goods of display screen, all can directly capacitance type touch-control panel be attached at the outside surface of screen, allow the user operate electronic goods by touching contact panel.

The inductive layer formation level synoptic diagram of prior art capacitance type touch-control panel as shown in Figure 1 as seen, the X-axis stitching 12 of this capacitance touch panel, Y-axis stitching 13 are to be formed with vertical or horizontal serial connection by the capacitive sensing unit that majority slightly is prismatic, thereby understanding some near the sensing unit of contact panel working area edge or all clipped, this will cause the working area edge can not accurately detect sensor signal.The Nei Wei district of A2 marginarium shown in the figure, each X-axis stitching electrode 12a and Y-axis stitching electrode 13a all can sense effective X position and Y position signalling by stitching contact 14, and beyond the A2 marginarium, X-axis stitching end electrodes 12a and Y-axis stitching end electrodes 13a (sensing unit that part is clipped), sometimes only can sense single X position or Y position signalling, so that can't locate sensor signal, so general theory effective coverage A1 contracts 1mm to 5mm in needing at least, this will limit to the application scenario of capacitance type touch-control panel structure and the appearance design of the article of arranging in pairs or groups thereof.Therefore how increasing the actual effective coverage of working area, is one of current touch panel structure provided improved important topic.

Summary of the invention

Defective in view of above-mentioned prior art, the purpose of this utility model is intended to propose a kind of capacitance type touch-control panel, the actual effective coverage of touch-control sensing that solution conventional condenser induction layer of touch panel structure defective causes is less than the problem of theoretical effective coverage, make effective working area maximization of contact panel, reduce production costs, improve panel light transmission rate and yields simultaneously.

For realizing the purpose of this utility model, the constructing technology scheme of its support is:

Capacitance type touch-control panel; connect and compose by transparent plate body and flat cable; described transparent plate body comprises the membraneous material that is laminated; be sticked at the superficial layer in the membraneous material outside; membraneous material is with respect to the inductive layer of other side of superficial layer; optics glue-line and substrate; wherein said inductive layer is divided into circuit region and Touch Zone; be the staggered plural X1 axis traces of matrix form on the same plane and include in described Touch Zone; X2 axis traces and Y-axis stitching; and distribution plural sensing unit therebetween; each sensing unit on same X1 axis traces or the X2 axis traces is connected with each other; and each sensing unit is spaced on the Y-axis stitching; it is characterized in that: the shape of described each sensing unit is consistent with area; be combined in twos in the axis traces matrix; and be equipped with the insulation jumper connection layer of being with Y-axis stitching jumper connection lead in inside, Touch Zone and edge; each sensing unit is connected with each other on the same Y-axis stitching, and the induction area that forms working area internal induction unit, Touch Zone evenly distributes.

Further, aforesaid a kind of capacitance type touch-control panel, wherein this sensing unit to working area inward flange position, Touch Zone defines: the cross-sectional width of X1 axis traces and X2 axis traces induction electrode is Hx; The cross-sectional width of Y-axis stitching induction electrode is Hy; The cross-sectional width of X1 axis traces and X2 axis traces lead is Vx; The cross-sectional width of Y-axis stitching lead is Vy, and wherein ratio value Hx: Hy and Vx: Vy is all between 9: 1～1: 9; And when this ratio value was got between 2: 1～1: 2, whole perform regions of this contact panel can obtain best touch-control sensing effect.

Further, aforesaid a kind of capacitance type touch-control panel, wherein this substrate is the thin layer sheet material of one of glass, polycarbonate, polyester, acryl resin or cyclic hydrocarbon co-polymer; This superficial layer is scratch resistance film, hard membrane layer, light polarizing film or filter coating; This insulation course is the insulation polymeric ink or the film of light transmission; This insulation jumper connection layer is printing-ink or membraneous material, and Y-axis stitching jumper connection lead is transparent macromolecule conducting material or transparent inorganic conductive material; This optical cement is transparent organic adhesion material; And this membraneous material is a transparent conductive film, for example tin indium oxide (Indium Tin Oxide) or poly-enedioxy thiophene organic conductive materials such as (PEDOT).

The utility model capacitance type touch-control panel, the beneficial effect after its application and the enforcement is:

By rational Design on Plane to inductive layer, optimized the degree of uniformity of contact panel working area internal induction area distributions, make the effective working area of contact panel obtain maximization, the product yields improves, cost reduces; And each axis traces is arranged in the same plane of inductive layer, has reduced the lamination quantity of member, has reduced the thickness of contact panel, has improved the light transmission of panel.

Description of drawings

Fig. 1 is the floor map of the inductive layer structure of prior art capacitance type touch-control panel;

Fig. 2 is the floor map of the ITO inductive layer structure of first embodiment of the invention;

Fig. 3 is the floor map of the ITO inductive layer structure of second embodiment of the invention;

Fig. 4 is the side sectional view along Y-axis stitching E-E transversal embodiment illustrated in fig. 2;

Fig. 5 is the side sectional view along Y-axis stitching E-E transversal embodiment illustrated in fig. 3.

Embodiment

Describe the utility model for reaching employed technological means of purpose and effect hereinafter with reference to accompanying drawing, and the cited embodiment of the following drawings only being an aid illustration, so that your juror understands, is not the practical range that limits to this case technological means with this.

As Fig. 2 and shown in Figure 4, be the floor map of ITO Pattern inductive layer 2 structures of the utility model one preferred embodiment.This capacitance type touch-control panel is formed a transparent plate body jointly by a membraneous material 1, an inductive layer 2, an insulation jumper connection layer 23b, a Y-axis stitching jumper connection lead 23c, an optics glue-line 3a, substrate 3b institute; This conduction inductive layer 2 is established a circuit pattern district 2a and a frame pattern district 2b who prints, and is fitted in the membraneous material internal layer and forms a transparent capacitance type conductive film; This superficial layer 3c by one or most function film form and be set at the outside surface of this membraneous material 1; This inductive layer 2 is laid on the inner surface of aforementioned membraneous material 1, it is one deck ITO Pattern conduction inductive layer 2, for having the transparent membrane of good conductive characteristic, this membraneous material 1 and inductive layer 2 are made the causing of commercially available ITO conductive film material, can obtain material by Japanese Ri Dong company etc., do ITO Pattern configuration again, the circuit pattern (frame pattern district 2b) of its ITO Pattern configuration contains plural X1 axis traces 21, X2 axis traces 22 and Y-axis stitching 23, and these stitchings are set up at grade and are matrix form and are crisscross arranged that (X1 axis traces and X2 axis traces are parallel to each other and are intervally arranged, the Y-axis stitching is then perpendicular), and each sensing unit 211 on same X1 axis stitching 21 is connected to each other, each sensing unit 221 on same X2 axis stitching 22 also is connected to each other, each sensing unit 231 arrangements spaced apart on same Y-axis line stitching 23 in addition, it is provided with a Y-axis stitching jumper connection lead 23c by insulation jumper connection layer 23b, and the sensing unit 231 on the Y-axis line stitching 23 also is connected to each other; And at touch-control working area edge Ay, Ax is provided with insulation jumper connection layer 23b, make in the X1 of working area edge axis traces 21, X2 axis traces 22, the induction area of the sensing unit on the Y-axis stitching 23 is evenly distributed to be provided with, make the touch-control edge still can detect acquisition from the X1 axle, the X2 axle, the touch-control sensing signal of Y-axis stitching, can reach the touch-control effective coverage is maximization person, make theoretical effective coverage A1 near actual effective coverage A2, and this insulation jumper connection layer 23b is covered on X1 axis traces electrical lead 21b and the X2 axis traces electrical lead 22b, so that X1 axle electrical lead 21b is separated in insulation, X2 axle electrical lead 22b and Y-axis line jumper connection mark electrical lead 23c, make X1 axis traces 21, X2 axis traces 22 is independently separated with Y-axis stitching 23 and is not connected, and each X1 axis stitching 21 on this sensing unit, one ora terminalis of X2 axis stitching 22 and Y-axis line stitching 23 electricity respectively is connected to a silver

medal guide passage

21a, 22a, 23a, and X1 axis traces 21, X2 axis traces 22 and Y-axis line stitching 23 each sensing units 211,221, the 223rd, the structural unit of close shape, thereby the basal surface at this membraneous material 1 constitutes uniform capacitance touching control induction structure, these silver-colored guide passage 21a then, 22a, 23a are compiled is connected to signal output bonding land 15; Then, the first optics glue-line 3a is attached under the conductive film, then fit into capacitive touch screen with substrate 3b, at last flat cable is welded in circuit pin position 15, make the capacitive sensing signal on this inductive layer 2 be connected to signal processor via this signal output flat cable (FPC), the setting of said structure, can be at X1 axis stitching 21, X2 axis stitching 22 and Y-axis line stitching 23 and silver-

colored guide passage

21a, 22a, there is an equivalent capacity between the 23a, therefore when finger or electric conductor touch or slip over capacitive touch screen, signal processor is by capacitance variations, can judge and point or the touch location of electric conductor.

Fig. 3 and shown in Figure 5 is the floor map of ITO Pattern inductive layer 2 structures of another embodiment of the utility model for another example.From shown in the figure as seen, this inductive layer 2 edge part Ay, Ax are provided with insulation jumper connection layer 23b, which is provided with a Y-axis stitching jumper connection lead 23c, make evenly distribution setting of induction area quilt at the sensing unit of working area edge, best, make induction electrode 211,221,231 cross-sectional width is Hx, Hy, with

stitching lead

21b, 22b, the cross-sectional width Vx of 23c, Vy, the two ratio value Hx: Hy is between 9: 1 to 1: 9, and optimum value is between 2: 1 to 1: 2; And Vx: Vy is between 9: 1 to 1: 9, optimum value is between 2: 1 to 1: 2, make the touch-control edge still can detect the touch-control sensing signal of acquisition from X1 axle, X2 axle, Y-axis stitching, can reach the touch-control effective coverage and be maximization, make theoretical effective coverage A1 near actual effective coverage A2, thereby overcome the disappearance that existing capacitive type touch pad edge can't be used.And the main difference of Fig. 2 and Fig. 3 is exchanged mutually up and down in the position that Y-axis stitching 23 meets silver-colored guide passage 23a, and this two embodiment all can reach the touch-control effective coverage and be maximization.

This rim area 2b can obtain this pattern through colored coating film treatment or metallochrome plated film or pad-transfer printing ink; This substrate 3b can make the transparent plate of apparatus hard rigid material, transparency glass plate for example, PC plate (polycarbonate plate) or acrylic plate; The transparent membrane that the then optional usefulness of this inductive layer 22 has the good conductive characteristic for example is tin indium oxide (ITO) film; The transparent pad-transfer printing ink that the then optional usefulness of this insulation jumper connection layer 23b has the good insulation characteristic obtains this insulation jumper connection layer; The electrically conducting transparent polymeric ink that the then optional usefulness of this Y-axis stitching jumper connection electrical lead 23c has the good conductive characteristic obtains this jumper connection electrical lead.

According to aforementioned creation embodiment, the combined plate body thickness of this capacitance touching control sensor component can remain on below the 1mm, and this frivolous combined plate body is fit to be configured in electronic product used or cooperated small and exquisite electronic product when touch controlled key the preceding use of display screen (LCD) very much, both can protect display screen by this capacitance touching control sensor component, but can utilize this member to allow the indication that user's transmission display is shielded on the picture touch in the panel desired location again, can facility carry out input operation with finger; Combine this, capacitance type touch-control panel of the present utility model can reduce the superimposed number of plies, reduces the thickness of combined plate body, increase its aesthetic appearance, reach and be convenient to the purpose installing and using and keep high transmission rate, also can simplify manufacturing process, reduce production costs and improve the product yield.

Claims

1. capacitance type touch-control panel; connect and compose by transparent plate body and flat cable; described transparent plate body comprises the membraneous material that is laminated; be sticked at the superficial layer in the membraneous material outside; membraneous material is with respect to the inductive layer of other side of superficial layer; optics glue-line and substrate; wherein said inductive layer is divided into circuit region and Touch Zone; be the staggered plural X1 axis traces of matrix form on the same plane and include in described Touch Zone; X2 axis traces and Y-axis stitching; and distribution plural sensing unit therebetween; each sensing unit on same X1 axis traces or the X2 axis traces is connected with each other; and each sensing unit is spaced on the Y-axis stitching; it is characterized in that: the shape of described each sensing unit is consistent with area; be combined in twos in the axis traces matrix; and be equipped with the insulation jumper connection layer of being with Y-axis stitching jumper connection lead in inside, Touch Zone and edge; each sensing unit is connected with each other on the same Y-axis stitching, and the induction area that forms working area internal induction unit, Touch Zone evenly distributes.

2. capacitance type touch-control panel according to claim 1 is characterized in that: the sensing unit to working area inward flange position, Touch Zone defines: the cross-sectional width of X1 axis traces and X2 axis traces induction electrode is Hx; The cross-sectional width of Y-axis stitching induction electrode is Hy; The cross-sectional width of X1 axis traces and X2 axis traces lead is Vx; The cross-sectional width of Y-axis stitching lead is Vy, and wherein ratio value Hx: Hy and Vx: Vy is all between 9: 1～1: 9.

3. capacitance type touch-control panel according to claim 2 is characterized in that: the ratio value Hx of the cross-sectional width of the cross-sectional width of described each axis traces induction electrode and each axis traces lead: Hy and Vx: Vy is all between 2: 1～1: 2.

4. capacitance type touch-control panel according to claim 1 is characterized in that: described substrate is the thin layer sheet material of one of glass, polycarbonate, polyester, acryl resin or cyclic hydrocarbon co-polymer.

5. capacitance type touch-control panel according to claim 1 is characterized in that: described superficial layer is scratch resistance film, hard membrane layer, light polarizing film or filter coating.

6. capacitance type touch-control panel according to claim 1 is characterized in that: described insulation course is the insulation polymeric ink or the film of light transmission.

7. capacitance type touch-control panel according to claim 1 is characterized in that: described insulation jumper connection layer is printing-ink or membraneous material, and Y-axis stitching jumper connection lead is transparent macromolecule conducting material or transparent inorganic conductive material.

8. capacitance type touch-control panel according to claim 1 is characterized in that: described optical cement is transparent organic adhesion material.

9. capacitance type touch-control panel according to claim 1 is characterized in that: described membraneous material is the ITO conducting film.