CN204360347U - Contact panel - Google Patents

Abstract

The utility model discloses a kind of contact panel, comprises a substrate, has shielded area and visible area; One masking structure, be arranged at a surface of substrate, and be positioned at shielded area, the position of its contiguous visible area forms a prism; Plural number lead-in wire, is arranged at masking structure, and is at least onely positioned on described prism.Contact panel of the present utility model is arranged at masking structure by by lead-in wire, particularly at least one lead-in wire is arranged at the prism of masking structure, and then improves the space availability ratio of shielded area, to reach effect of narrow frame.

Description

Contact panel

Technical field

The utility model relates to a kind of contact panel, particularly relates to a kind of contact panel of narrow frame.

Background technology

Along with science and technology constantly progress, various electronic equipment is constantly weeded out the old and bring forth the new, such as mobile phone, flat computer and satellite navigation etc.And there is the mode of operation of hommization and intuitive due to contact panel, more and more electronic equipment adopts contact panel using as its input interface.

Contact panel has a visible area and a shielded area.The assemblies such as in general, shielded area is positioned at the surrounding of visible area and forms a frame, the circuit of corresponding setting under avoiding user directly to see shielded area when carrying out touch control operation.Shielded area can use dark color (as black) material to form it usually, and visible area is then the part of user institute touch-control.

Along with the demand of large visible area day by day increases, if the width (that is, border width narrows) of shielded area can be reduced further, user can be promoted in fact and experience.

Therefore, how to provide a kind of contact panel, effect of narrow frame can be reached, become one of important topic.

Utility model content

Because above-mentioned problem, the utility model provides a kind of contact panel, can reach effect of narrow frame.

According to a kind of contact panel of the present utility model, comprise a substrate, a masking structure and plural number lead-in wire, substrate comprises a shielded area and the visible area adjacent to shielded area, masking structure is arranged at a surface of substrate, and be positioned at shielded area, masking structure forms a prism in the position of contiguous visible area, and plural number lead-in wire is arranged at masking structure, and at least one of those lead-in wires is positioned on prism.

In one embodiment, the angle between prism and the surface of substrate is acute angle.

In one embodiment, the number of leads on prism is one.

In one embodiment, more comprise an electrode structure, electrode structure comprises plural first axial electrode, plural second axial electrode and a dielectric layer, plural number the first axial electrode extends along first direction and is spaced along second direction, plural number the second axial electrode extends along second direction and is spaced along first direction, dielectric layer is arranged between those first axial electrode and those the second axial electrode, and wherein those lead-in wires are electrically connected to those first axial electrode or those the second axial electrode respectively.

In one embodiment, those first axial electrode more comprise plural first electrode block and connect plural number first connecting line of those the first electrode blocks, those second axial electrode more comprise plural second electrode block and connect plural number second connecting line of those the second electrode blocks, and dielectric layer is between the first connecting line and the second connecting line.

In one embodiment, the second connecting line is arranged on substrate, and it is online that the first connecting line is positioned at the second connection, and dielectric layer is between the first connecting line and the second connecting line.

In one embodiment, the first connecting line is arranged on substrate, and it is online that the second connecting line is positioned at the first connection, and dielectric layer is between the second connecting line and the first connecting line.

In one embodiment, the lead-in wire be arranged on prism is a ground wire, and ground wire is being different between other lead-in wire and electrode structures of ground wire, and ground wire is not electrically connected with electrode structure.

In one embodiment, ground wire and other go between be provided with an insulation assembly.

In one embodiment, insulation assembly is arranged at ground wire and other intersections gone between.

In one embodiment, the material of lead-in wire is metal material.

In one embodiment, the material being arranged at the lead-in wire on prism is indium tin oxide.

In one embodiment, masking structure more comprises plural ink material layer.

In sum, contact panel of the present utility model is arranged at masking structure by by lead-in wire, particularly at least one lead-in wire is arranged at the prism of masking structure, contact panel can be avoided need to avoid prism when arranging lead-in wire, and then improve the space availability ratio of shielded area, to reach effect of narrow frame.

In one embodiment, the lead-in wire be arranged on the prism of masking structure is ground wire, it can in order to avoid, between perimeter circuit and touch-control sensing electrode, crosstalk occurs, and due to ground wire be the prism being arranged at masking structure, the effect improving space availability ratio can be reached equally.

Accompanying drawing explanation

Figure 1A is the top view of a kind of contact panel of the utility model preferred embodiment.

Figure 1B is the diagrammatic cross-section of Figure 1A along dotted line AA.

Fig. 1 C is the diagrammatic cross-section of Figure 1A along dotted line BB.

Fig. 1 D is corresponding Figure 1A another embodiment diagrammatic cross-section along dotted line BB place.

Fig. 2 A is the top view of a kind of contact panel of another preferred embodiment of the utility model.

Fig. 2 B is the diagrammatic cross-section of Fig. 2 A along dotted line CC.

Fig. 2 C is the diagrammatic cross-section of Fig. 2 A along dotted line CC.

Fig. 3 A to Fig. 3 B is the schematic diagram of the different aspect of masking structure.

Embodiment

Hereinafter with reference to correlative type, a kind of contact panel according to the utility model preferred embodiment is described.

Figure 1A is the top view of a kind of contact panel 1 of the utility model preferred embodiment, and Figure 1B is the diagrammatic cross-section of Figure 1A along dotted line AA.Shown in Figure 1A and Figure 1B, contact panel 1 comprises substrate 2, masking structure 3 and plural number lead-in wire 4.Substrate 2 comprises a shielded area 21 and adjacent to the visible area 22 of shielded area 21, and shielded area 21 is located on visible area 22.Certainly, shielded area 21 also can be positioned at least side of visible area 22, and the utility model does not limit.Substrate 2 can adopt the materials such as glass, polyimide (PI), polypropylene (PP), polystyrene (PS), acrylonitrile-butadiene-styrene (ABS) (ABS), polyethylene terephthalate (PET), Polyvinylchloride (PVC), polycarbonate (PC), tygon (PE), polymethylmethacrylate (PMMA), teflon (PTFE) to make, and the present embodiment is for tempered glass is for example with substrate 2.In practical application, substrate 2 is generally the outermost end being arranged at electronic product, its surface towards user is available for users to carry out input operation, therefore the surface that substrate 2 carries out input operation for user is coated with various coating usually, such as anti-fingerprint, anti-dazzle, the functional coating promoting Consumer's Experience such as anti-scratch, corresponding another is then provided with other touch-control sensing assemblies (electrode structure as aftermentioned) on the surface, to receive the input information of user.

In the present embodiment, masking structure 3 is arranged at the surface 211 of substrate 2, and is positioned at shielded area 21.Masking structure 3 can be called again black shielding layer (Black mask layer; BM layer), it is mainly in order to shading.But should be specified, in the utility model, masking structure 3 is not restricted to black or dark color, and it also can comprise white, light color or other color.In addition, masking structure 3 can be made up of individual layer ink material layer or plural ink material layer stack, and the utility model is not restricted equally, and concrete structure will describe in detail at back segment.In fact, due to the self-characteristic of ink material, the position that masking structure 3 is easy to edge forms the structure of prism 30, is particularly formed in masking structure 3 in shielded area 21 and is adjacent to the edge of visible area 22, as shown in Figure 1B.Prism 30 position of masking structure 3 can be called again climbing district.Further it, masking structure 3 is in shielded area 21 and the edge being adjacent to visible area 22 can produce the structure comprising prism 30, and can shape to have angle a between the surface 211 of prism 30 and substrate 2, and this angle a is acute angle.

Please continue simultaneously with reference to Figure 1A and Figure 1B, in the present embodiment, plural number lead-in wire 4 is arranged on masking structure 3, and wherein at least one lead-in wire 4 is arranged on the prism 30 of masking structure 3.Though Figure 1B is 4 for example prism 30 only to have a lead-in wire, so, the utility model not with this quantity for restriction.In certain embodiments, prism 30 also can be provided with two lead-in wires 4, other lead-in wire 4 is then the position being arranged on the non-prism of masking structure 3.Be arranged at masking structure 3 by by lead-in wire 4, particularly at least one lead-in wire 4 be arranged at the prism 30 of masking structure 3, and improve the space availability ratio of shielded area 21, to reach effect of narrow frame.

In practical application, the material of lead-in wire 4 can comprise metal material, and is not restriction with single metal material, and for example, each lead-in wire 4 can sequentially be formed by the molybdenum materials bed of material, layer of aluminum, Mo layer stack, and same, the utility model is not limited with above-mentioned.In addition, in certain embodiments, the material being arranged at the lead-in wire 4 on prism 30 is preferably tin indium oxide (indium tin oxide; ITO) material, this is because the structure of prism 30 easily makes the photoresistance of successive process flow in this position, and cause the photoresistance thickness of this position not enough, so, lead-in wire 4 on prism 30, if metal lead wire will be very easy to because the thickness of photoresistance is not enough and over etching (being also called erosion) occurs, even forms the situation of open circuit.And compared to metal material, the density of indium tin oxide material is comparatively large, adds indium tin oxide material not easily by the characteristic that other gold-tinted solution corrodes, therefore, if the lead-in wire 4 on prism 30 adopts indium tin oxide material, effectively can avoid the generation of over etching.

Please refer again to Figure 1A, contact panel 1 more comprises an electrode structure 5, and it comprises plural first axial electrode 51, plural second axial electrode 52 and a dielectric layer 53.First axial electrode 51 extends along first direction D1, and is spaced along second direction D2, and the first axial electrode 51 and part go between and 4 to be electrically connected.Second axial electrode 52 extends along second direction D2, and is spaced along first direction D1, and the second axial electrode 52 and other parts go between and 4 to be electrically connected.Dielectric layer 53 is then arranged between the first axial electrode 51 and the second axial electrode 52, in order to make between the first axial electrode 51 and the second axial electrode 52 as being electrically insulated.In other words, the first axial electrode 51 and the second axial electrode 52 are staggered and mutually insulated.

In the present embodiment, dielectric layer 53 comprises plural number insulation dot interlace, and plural number insulation dot interlace is the overlapping infall being arranged at the first axial electrode 51 and the second axial electrode 52, contacts with each other in intersecting overlapping place to completely cut off the first axial electrode 51 and the second axial electrode 52.

First axial electrode 51 and the second axial electrode 52 can comprise transparent conductive material, nano metal material or metal grill (metal mesh) etc.Wherein, transparent conductive material can be such as tin indium oxide, aluminum zinc oxide, zinc paste, tin-antiomony oxide, tin ash, indium oxide, Graphene or aforementioned combination.Nano metal material can be such as nano-silver thread, NANO CRYSTAL COPPER WIRE, CNT etc.And dielectric layer 53 is made up of transparent insulation material, can select organic material, inorganic material, compound substance and macromolecular material at least one of them, specifically, also can comprise the transparent insulation material that thermmohardening type resin, silicon dioxide, photoresistance etc. are applicable.

Fig. 1 C is the diagrammatic cross-section of Figure 1A along dotted line BB, Fig. 1 D is then corresponding Figure 1A another embodiment diagrammatic cross-section along dotted line BB place, both depict the layered structure of the different aspect of electrode structure 5, please refer to Figure 1A, wherein, first axial electrode 51 comprises plural first electrode block 511 and plural first connecting line 512, and the first adjacent electrode block 511 is interconnected through the first connecting line 512.And the second axial electrode 52 comprises plural second electrode block 521 and plural second connecting line 522, the second adjacent electrode block 521 is interconnected through the second connecting line 522.Then, please more simultaneously with reference to figure 1C, in this aspect, the first electrode block 511, second electrode block 521 and the second connecting line 522 are arranged on substrate 2, and the first connecting line 512 is then positioned on the second connecting line 522.Wherein, the second adjacent electrode block 521 is electrically connected mutually by the second connecting line 522 on a substrate 2, and the first connecting line 512 can be called bonding line (Jumper layer), in order to cross over the second connecting line 522 to be electrically connected the first adjacent electrode block 511.The position that first connecting line 512 and the second connecting line 522 interlock then is provided with aforementioned dielectric layer 53 (insulation dot interlace).

Then, please more simultaneously with reference to figure 1D, the place different from Fig. 1 C is, in this aspect, the first electrode block 511, second electrode block 521 and the first connecting line 512 are arranged on substrate 2, and the second connecting line 522 is then positioned on the first connecting line 512.In this, the first adjacent electrode block 511 is electrically connected mutually by the first connecting line 512 on a substrate 2, and the second connecting line 522 can be called bonding line, in order to cross over the first connecting line 512 to be electrically connected the second adjacent electrode block 521.

In addition, from the above, if the lead-in wire 4 be arranged on prism 30 is indium tin oxide material, and when bonding line (first connecting line 512 or the second connecting line 522) is also indium tin oxide material, lead-in wire 4 and bonding line can design in the middle of the pattern of same light shield.So, when not increasing additional process and equipment, the design of light shield can be utilized, reaching on solution prism 30 and the problem that erosion crossed by lead-in wire 4 occurs.

As Figure 1A, Fig. 1 C and Fig. 1 D, insulation course 53 due to electrode structure 5 is insulation dot interlace structure, and the first axial electrode 51, second axial electrode 52 and insulation course 53 be the same side being formed at substrate 2 according to processing procedure on the surface, overall formation monolithic glass touch-control structure, it has the less advantage of integral thickness, can realize the slimming of contact panel.So, the utility model is not as limit.In other embodiments, it also can comprise double glazing (glass to glass) structure, glass film (glass to film) structure or bilayer film (glass to film to film) structure.

Please referring again to Figure 1A, in the present embodiment, contact panel 1 also comprises flexible circuit board 6 and a controller 7, and controller 7 is independent of substrate 2, and flexible circuit board 6 one end is electrically connected controller 7, and the other end is electrically connected lead-in wire 4.As previously mentioned, lead-in wire 4 is electrically connected electrode structure 5, therefore on the whole, electrode structure 5, lead-in wire 4, flexible circuit board 6 and controller 7 are electrically connected one by one according to tandem, form a signal transmission path.Specifically, the touch-control action that user carries out on a substrate 2, produces touch signal through electrode structure 5, and touch signal transfers to flexible circuit board 6 by corresponding lead-in wire 4, transfer to controller 7 via flexible circuit board 6 again, for controller 7, analysis feedback is carried out to it; On the other hand, the drive singal sent by controller 7, successively transfers to the first axial electrode 51 or the second axial electrode 52 in corresponding electrode structure 5, the axial electrode for driving is obtained and drives signal via flexible circuit board 6 and lead-in wire 4.

Fig. 2 A is the top view of a kind of contact panel 1a of another preferred embodiment of the utility model, and the contact panel 1 shown in contact panel 1a and Figure 1A of the present embodiment has roughly the same content, and related content please refer to aforementioned content, repeats no more in this.Only, different places is, the lead-in wire 4 of contact panel 1a comprises a ground wire 41 and is different from other lead-in wires 42 of ground wire 41, and ground wire 41 is arranged at electrode structure 5 and other go between 42.Be different from other lead-in wires 42, ground wire 41 is not electrically connected with electrode structure 5.Other lead-in wires 42 are then electrically connected with the first axial electrode 51 or the second axial electrode 52 respectively as aforementioned.

For making convenient to understand, below other electric connection with the first axial electrode 51 are gone between 42 with first other go between and 421 to be referred to as, and other electric connection with the second axial electrode 52 are gone between 42 with second other go between and 422 to be referred to as.

In the present embodiment, ground wire 41 is arranged at masking structure 3 (shielded area 21) and the position of contiguous visible area 22, and establish the mode of electrode structure 5 to arrange with ring.In more detail, ground wire 41 is arranged at electrode structure 5 and other go between 42, particularly between electrode structure 5 and second other lead-in wires 422, so, ground wire 41 effectively can shield first axial electrode 51 and second other signal crosstalks gone between 422.In addition, near the position of flexible circuit board 6, ground wire 41 be arranged at first other lead-in wires 421 and second other go between 422, so, ground wire 41 effectively can shield first other go between 421 and second other signal crosstalk gone between 422.

Fig. 2 B and Fig. 2 C is the diagrammatic cross-section of Fig. 2 A along dotted line CC, please first simultaneously with reference to figure 2A and Fig. 2 B, and wherein, ground wire 41 is arranged at masking structure 3 to be adjacent on the prism 30 of visible area 22.As shown in the dotted line CC position of Fig. 2 A, ground wire 41 and second other go between 422 in the orthogonal projection of substrate 2 be staggered, therefore, as shown in Figure 2 B, ground wire 41 and second other go between to be preferably between 422 and be provided with an insulation assembly 8, disturb with isolated ground wire 41 and second other signals gone between 422.

Then, please refer to Fig. 2 C, the place different from Fig. 2 B is, in this aspect, insulation assembly 8 is particularly arranged at ground wire 41 and second other 422 crossing positions that go between, and by coated for ground wire 41, to reach better anti-crosstalk effect.

In above-described embodiment, the one-piece construction mainly for contact panel is described, and in embodiment of the present utility model, also has different designs for masking structure 3, below will be specifically described.Fig. 3 A to Fig. 3 B is the schematic diagram of the different aspect of masking structure, and please refer to Fig. 3 A, be same as Figure 1B, masking structure 3 comprises one first ink material layer 31, and it is arranged on substrate 2, and in enforcement, be applicable to dark ink, such as, be black ink.Then, please refer to Fig. 3 B, be with the difference of Fig. 3 A shownschematically aspect, masking structure 3 is except having the first ink material layer 31, more comprise one second ink material layer 32, that is masking structure 3 is made up of plural ink material layer stack, in enforcement, be applicable to light color inks, such as, be white ink.Because the screening optical activity of light color inks is poor, therefore, stacking up layers ink material can reach preferably shaded effect.In other embodiments, plural ink material layer is not limited with two-layer, can be two-layer more than.

In sum, contact panel of the present utility model is arranged at masking structure by by lead-in wire, particularly at least one lead-in wire is arranged at the prism of masking structure, contact panel can be avoided need to avoid prism when arranging lead-in wire, and then improve the space availability ratio of shielded area, to reach effect of narrow frame.

In one embodiment, the lead-in wire be arranged on the prism of masking structure is ground wire, it can in order to avoid, between perimeter circuit and touch-control sensing electrode, crosstalk occurs, and due to ground wire be the prism being arranged at masking structure, the effect improving space availability ratio can be reached equally.

The foregoing is only illustrative, but not be restricted person.Any spirit and category not departing from the utility model, and to its equivalent modifications of carrying out or change, all should be contained in rear attached claim.

Claims (13)

1. a contact panel, comprises:

One substrate, comprises a shielded area and the visible area adjacent to described shielded area;

One masking structure, be arranged at a surface of described substrate, and be positioned at described shielded area, described masking structure forms a prism in the position of contiguous described visible area; And

Plural number lead-in wire, be arranged at described masking structure, at least one of described lead-in wire is positioned on described prism.

2. contact panel as claimed in claim 1, the angle between wherein said prism and the described surface of described substrate is acute angle.

3. contact panel as claimed in claim 1, the number of leads on wherein said prism is one.

4. contact panel as claimed in claim 1, more comprise an electrode structure, described electrode structure comprises:

Plural number the first axial electrode, extends along a first direction and is spaced along a second direction;

Plural number the second axial electrode, extends along described second direction and is spaced along described first direction; And

One dielectric layer, is arranged between described first axial electrode and described second axial electrode,

Wherein, described lead-in wire is electrically connected to described first axial electrode or described second axial electrode respectively.

5. contact panel as claimed in claim 4, wherein said first axial electrode more comprises plural first electrode block and connects plural number first connecting line of described first electrode block, described second axial electrode more comprises plural second electrode block and connects plural number second connecting line of described second electrode block, and described dielectric layer is between described first connecting line and described second connecting line.

6. contact panel as claimed in claim 5, wherein said second connecting line is arranged on described substrate, and described first connecting line is positioned at described second and connects online, and described dielectric layer is between described first connecting line and described second connecting line.

7. contact panel as claimed in claim 5, wherein said first connecting line is arranged on described substrate, and described second connecting line is positioned at described first and connects online, and described dielectric layer is between described second connecting line and described first connecting line.

8. contact panel as claimed in claim 4, the described lead-in wire be wherein arranged on described prism is a ground wire, described ground wire is being different between other lead-in wires of described ground wire and described electrode structure, and described ground wire is not electrically connected with described electrode structure.

9. contact panel as claimed in claim 8, wherein said ground wire and other go between be provided with an insulation assembly.

10. contact panel as claimed in claim 9, wherein said insulation assembly is arranged at described ground wire and other intersections gone between.

11. contact panels as claimed in claim 1, the material of wherein said lead-in wire is metal material.

12. contact panels as claimed in claim 1, the material being wherein arranged at the described lead-in wire on described prism is tin indium oxide.

13. contact panels as claimed in claim 1, wherein said masking structure more comprises plural ink material layer.