CN105094408A - Touch panel - Google Patents
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- CN105094408A CN105094408A CN201410320401.5A CN201410320401A CN105094408A CN 105094408 A CN105094408 A CN 105094408A CN 201410320401 A CN201410320401 A CN 201410320401A CN 105094408 A CN105094408 A CN 105094408A
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- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 3
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 3
- 229910052750 molybdenum Inorganic materials 0.000 description 3
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- 238000002834 transmittance Methods 0.000 description 3
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- Position Input By Displaying (AREA)
Abstract
The invention provides a touch panel, which comprises a plurality of first conductive patterns and a plurality of second conductive patterns. Each of the first conductive patterns includes a plurality of first mesh units connected to each other. The second conductive pattern and the first conductive pattern are electrically insulated from each other and intersect each other. Each of the second conductive patterns includes a plurality of second mesh units connected to each other, wherein a shape of each of the second mesh units is different from a shape of each of the first mesh units.
Description
Technical field
The invention relates to a kind of panel, and relate to a kind of contact panel especially.
Background technology
Along with fast development and the application of infotech, radio communication and information household appliances, lightly change and object user-friendly for operation to reach carrying convenience, volume, many information products, by input medias such as traditional keyboard or mouses, change into and use contact surface plate as input media.
Generally speaking, contact panel mainly can be divided into electric resistance touch-control panel and capacitance type touch-control panel.For capacitance type touch-control panel, capacitance type touch-control panel generally includes interconnected multiple conductive patterns.Consider the application category (being such as arrange in pairs or groups with display panel to use) of contact panel, the electrically conducting transparent material that the material of conductive pattern selects light transmittance good usually, as indium tin oxide.But indium is rare metal, its price is relatively costly and on material obtains, be easily limited to the place of origin and cause material to obtain not easily.
Under processing cost, material obtain the considering of difficulty and electric conductivity, develop the conductive pattern replacing sheet indium tin oxide with grid-shaped metal in recent years gradually.But, the existing grid-shaped metal tool well-regulated arrangement cycle, and the pel array of display panel also has the arrangement cycle of himself, therefore piling poststack at both easily produces folded line (Moire) effect, and seriously affects visual effect.
Summary of the invention
The invention provides a kind of contact panel, it has good visual effect.
A kind of contact panel of the present invention comprises multiple first conductive pattern and multiple second conductive pattern.Each first conductive pattern comprises multiple the first grid cell be connected to each other.Second conductive pattern and the first conductive pattern intersect each other and are electrically insulated each other.Each second conductive pattern comprises multiple the second grid cell be connected to each other, and wherein the shape of each second grid cell is different from the shape of each first grid cell.
In one embodiment of this invention, the shape of above-mentioned each first grid cell is non-equilateral triangle, and the shape of each second grid cell is non-n-shaped, N be greater than 3 positive integer.
In one embodiment of this invention, above-mentioned at least three the first grid cells interconnected share summit, and summit is positioned at wherein one second grid cell.
In one embodiment of this invention, the connecting line segment between adjacent two summits of above-mentioned part drops on adjacent two second grid cells that adjacent two summits are positioned at.
In one embodiment of this invention, the quantity of first grid cell on above-mentioned shared summit equals the limit number of second grid cell at place, summit.
In one embodiment of this invention, second grid cell at place, summit is divided into N number of subregion by the limit that above-mentioned each first grid cell is extended by summit, and the standard deviation of the area of N number of subregion is σ, σ is less than or equal to 90%, σ and is defined as following formula:
Wherein N is the limit number of second grid cell at place, summit,
for the mean value of the area of these subregions.
In one embodiment of this invention, above-mentioned σ is between 10% to 65%.
In one embodiment of this invention, the angle folded by the limit of the limit that above-mentioned each first grid cell is extended by summit and the second corresponding grid cell is 50 degree to 90 degree.
In one embodiment of this invention, just have the summit that the first adjacent grid cell shares in above-mentioned each second grid cell, and the quantity of the second grid cell equals the quantity on summit.
In one embodiment of this invention, above-mentioned contact panel also comprises substrate and insulation course, wherein the first conductive pattern and the second conductive pattern be positioned at substrate same surface on and lay respectively at the relative both sides of insulation course.
In one embodiment of this invention, above-mentioned contact panel also comprises substrate, cover plate and insulation course, wherein the first conductive pattern, the second conductive pattern and insulation course are between substrate and cover plate, and the first conductive pattern and the second conductive pattern lay respectively at the relative both sides of insulation course.
In one embodiment of this invention, above-mentioned insulation course is lamination or the adhesive coating of inorganic insulation layer, organic insulator, inorganic insulation layer and organic insulator.
In one embodiment of this invention, above-mentioned contact panel also comprises substrate and cover plate, wherein the first conductive pattern and the second conductive pattern lay respectively at the relative both sides of substrate, and the wherein one of the first conductive pattern and the second conductive pattern is between substrate and cover plate.
In one embodiment of this invention, above-mentioned contact panel also comprises first substrate, cover plate, the first adhesive coating, the second adhesive coating and second substrate, wherein the first conductive pattern is arranged on second substrate, and second substrate is engaged with cover plate by the second adhesive coating, the second conductive pattern is arranged on the first substrate and is engaged with second substrate by the first adhesive coating.
In one embodiment of this invention, above-mentioned each first grid cell and the live width of each second grid cell drop in the scope of 0.05 micron to 20 microns respectively.
A kind of contact panel of the present invention comprises multiple conductive pattern.Each conductive pattern comprises multiple first grid cell and multiple second grid cell, and the first grid cell is electrically connected at the second grid cell, wherein the shape of each first grid cell is non-equilateral triangle, and the shape of each second grid cell is non-n-shaped, N be greater than 3 positive integer.
In one embodiment of this invention, above-mentioned at least three the first grid cells interconnected share summit, and summit is positioned at wherein one second grid cell.
In one embodiment of this invention, the connecting line segment between adjacent two summits of above-mentioned part drops on adjacent two second grid cells that adjacent two summits are positioned at.
In one embodiment of this invention, the quantity of first grid cell on above-mentioned shared summit equals the limit number of second grid cell at place, summit.
In one embodiment of this invention, second grid cell at place, summit is divided into N number of subregion by the limit that above-mentioned each first grid cell is extended by summit, and the standard deviation of the area of N number of subregion is σ, σ is less than or equal to 90%, σ and is defined as following formula:
Wherein N is the limit number of second grid cell at place, summit,
for the mean value of the area of these subregions.
In one embodiment of this invention, above-mentioned σ is between 10% to 65%.
In one embodiment of this invention, the angle folded by the limit of the limit that above-mentioned each first grid cell is extended by summit and the second corresponding grid cell is 50 degree to 90 degree.
In one embodiment of this invention, just have the summit that the first adjacent grid cell shares in above-mentioned each second grid cell, and the quantity of the second grid cell equals the quantity on summit.
In one embodiment of this invention, above-mentioned multiple first grid cells are connected to each other, and multiple second grid cell is connected to each other.
In one embodiment of this invention, above-mentioned contact panel also comprises substrate, and wherein conductive pattern is arranged on substrate.
In one embodiment of this invention, above-mentioned contact panel also comprises substrate and cover plate, and wherein conductive pattern is between substrate and cover plate.
In one embodiment of this invention, above-mentioned each first grid cell and the live width of each second grid cell drop in the scope of 0.05 micron to 20 microns respectively.
In one embodiment of this invention, multiple conductive patterns of above-mentioned part are electrically connected along first direction, to form many second tandems along second direction arrangement, and multiple conductive patterns of other parts are electrically connected along second direction, to form many first tandems along first direction arrangement, wherein the first tandem and the second tandem are electrically insulated each other.
In one embodiment of this invention, above-mentioned contact panel also comprises multiple first connecting portion and multiple second connecting portion, wherein adjacent two conductive patterns are connected in series along first direction by each second connecting portion, and adjacent two conductive patterns are connected in series along second direction by each first connecting portion, and those first connecting portions and those the second connecting portions are electrically insulated each other and intersect each other.
Based on above-mentioned, the design that the above embodiment of the present invention utilizes several first grid cell and several second grid cell to be superimposed with each other is to improve the problem of folded line phenomenon and husky point effect (sparkleeffect).So, contact panel is made to have good visual effect.
For above-mentioned feature and advantage of the present invention can be become apparent, special embodiment below, and coordinate accompanying drawing to be described in detail below.
Accompanying drawing explanation
Figure 1A is the partial cutaway schematic of a kind of touch-control display panel of a kind of contact panel of the application first embodiment of the present invention;
Figure 1B is the local upper schematic diagram of the first conductive pattern in Figure 1A and the second conductive pattern;
Fig. 1 C is the Partial enlarged side view of the first conductive pattern in the region A in Figure 1B and the second conductive pattern;
Fig. 1 D is the partial enlargement top view of the first conductive pattern in the region A in Figure 1B and the second conductive pattern;
Fig. 1 E is the partial enlargement top view of Fig. 1 D;
Fig. 2 to Fig. 5 B is the partial cutaway schematic of five kinds of contact panels according to the of the present invention second to the 6th embodiment;
Fig. 6 A is the partial cutaway schematic of a kind of contact panel according to the sixth embodiment of the present invention;
Fig. 6 B is the local upper schematic diagram of the conductive pattern in Fig. 6 A;
Fig. 7 A is the partial cutaway schematic of a kind of contact panel according to the sixth embodiment of the present invention;
Fig. 7 B is the local upper schematic diagram of the conductive pattern in Fig. 7 A;
Fig. 8 is the partial cutaway schematic of a kind of contact panel according to the seventh embodiment of the present invention.
Description of reference numerals:
10: touch-control display panel;
100,200,300,400,500,500A, 600,700,800: contact panel;
110A, 110: substrate;
112,152: base material;
114,154: embedding layer;
120: the first conductive patterns;
120A: the first tandem;
122A, 122B, 132A, 132B: conductive pattern;
124A: the first connecting portion;
130A: the second tandem;
130: the second conductive patterns;
134A: the second connecting portion;
140: insulation course;
140A: insulating pattern;
150,150A: second substrate;
A, A1, A2, A3, A4, A5, A6, A7: region;
AD: adhesive coating;
AD1: the first adhesive coating;
AD2: the second adhesive coating;
AH: following layer;
CG: cover plate;
D1: first direction;
D2: second direction;
DP: display panel;
LW1, LW2: live width;
M1: the first grid cell;
M2: the second grid cell;
S1, S2: surface;
SS1, SS2: limit;
T: summit;
X: intersection;
θ: angle.
Embodiment
Figure 1A is the partial cutaway schematic of a kind of touch-control display panel of a kind of contact panel of the application first embodiment of the present invention.Figure 1B is the local upper schematic diagram of the first conductive pattern in Figure 1A and the second conductive pattern.Fig. 1 C is the Partial enlarged side view of the first conductive pattern in the region A in Figure 1B and the second conductive pattern.Fig. 1 D is the partial enlargement top view of the first conductive pattern in the region A in Figure 1B and the second conductive pattern.Fig. 1 E is the partial enlargement top view of Fig. 1 D.Please refer to Figure 1A to Fig. 1 E, contact panel 100 comprises multiple first conductive pattern 120 and multiple second conductive pattern 130.Contact panel 100 can form touch-control display panel 10 jointly with display panel DP.In the present embodiment, contact panel 100 and display panel DP are such as bonded together by following layer AH, but not as limit.Contact panel 100 can comprise substrate 110 further, to carry the first conductive pattern 120 and the second conductive pattern 130.Substrate 110 is such as independent of the substrate outside display panel DP.For example, substrate 110 is a cover plate (Coverlens).Cover plate can comprise glass cover-plate, plastic cover plate or other hard and have high mechanical properties material form the cover plate that there is protection, cover or beautify its corresponding intrument.For example, cover plate is such as through the glass of physics or chemical mode strengthening, or composite plastic substrate.Described composite plastic substrate is such as the composite base plate of carbonic allyl ester (propylenecarbonate, PC) and polymethylmethacrylate (Polymethylmethacrylate, PMMA), but not as limit.In addition, cover plate can be flat shape or curve form, or aforesaid combination, such as, be 2.5D glass, but not as limit.The material of cover plate is light-transmitting materials, to avoid covering the display beams from display panel DP.For example, cover plate can have the penetrability of more than 85%.In addition, also can select to arrange an antifouling plated film (Anti-SmudgeCoating) at cover plate towards the side of user.Moreover at least one side of cover plate can be provided with decorative layer (not shown) to cover the metal routing being connected to flexible circuit board or the connection pad covered in order to follow signal transmission connection.
First conductive pattern 120 and the second conductive pattern 130 are positioned on substrate 110.In the present embodiment, the first conductive pattern 120 and the second conductive pattern 130 are arranged on a surperficial S1 of substrate 110 jointly, but are not limited to directly contact with surperficial S1.For example, optical match layer (not shown) can be provided with further, to reduce the reflectivity of the first conductive pattern 120 and the second conductive pattern 130 between first conductive pattern 120 and substrate 110 and between the second conductive pattern 130 and substrate 110.In addition, the substrate 110 of the present embodiment is touch surface relative to the surperficial S2 of surperficial S1.The surface of relative proximity user when namely described touch surface carries out touch-control.Contact panel 100 can comprise an insulation course 140 further, is electrically insulated each other to make the second conductive pattern 130 and the first conductive pattern 120.In the present embodiment, the second conductive pattern 130 is arranged on the surperficial S1 of substrate 110, and insulation course 140 is arranged on the second conductive pattern 130, and the first conductive pattern 120 is arranged on insulation course 140.Wherein, insulation course 140 can be the stack layer of organic insulator, inorganic insulation layer or organic insulator and inorganic insulation layer, wherein the material of inorganic insulation layer can be monox or nitrogen oxide, and the material of organic insulator can be photoresist or polyimide (polyimide).
As shown in Figure 1B, each first conductive pattern 120 of the present embodiment and the profile of each second conductive pattern 130 conductive pattern respectively in a strip, and look it by the direction perpendicular to contact panel 100, second conductive pattern 130 and the first conductive pattern 120 intersect each other, but the second conductive pattern 130 and the first conductive pattern 120 are electrically insulated each other by the insulation course 140 be arranged between the two.With the present embodiment, the second conductive pattern 130 and the first conductive pattern 120 have multiple intersection X, and corresponding one of them overlay region (as region A) of each intersection X is arranged.Further, the second conductive pattern 130 and the first conductive pattern 120 overlapped at least in region a, namely the wherein one of the second conductive pattern 130 and the first conductive pattern 120 is at substrate 110 and wherein between another one.In design of the present invention, the first conductive pattern 120 and the second conductive pattern 130 are mutual tolerance formula framework.For example, first conductive pattern 120 can be drive electrode, in order to receive the drive singal that carrys out self-controller (not shown), the second conductive pattern 130 is then receiving electrode, judges whether touch control operation occurs to controller in order to the change information producing a voltage or electric charge.Contrary, when the first conductive pattern 120 is receiving electrodes, then the second conductive pattern 130 is drive electrodes.
First conductive pattern 120 such as arranges along a first direction D1 and extends along a second direction D2 separately, and the second conductive pattern 130 such as arranges along second direction D2 and extends along first direction D1 separately.First direction D1 and second direction D2 intersects each other, and such as mutually vertical, but is not limited thereto.
In another design, the second conductive pattern 130 due to the present embodiment is closer to user compared to the first conductive pattern 120, therefore, each second conductive pattern 130 is large along the width of first direction D1 compared to the first conductive pattern 120 along the width of second direction D2, and between the first adjacent conductive pattern 120, more than 2 microns, interval is better.Again in the present embodiment, the first conductive pattern 120 is drive electrode, and namely the second conductive pattern 130 is receiving electrode.
The material of the first conductive pattern 120 and the second conductive pattern 130 is metal.Particularly, the material of the first conductive pattern 120 and the second conductive pattern 130 can be selected from the stacked structure of copper, silver, aluminium, chromium, titanium, molybdenum etc. or above-mentioned material, or at least both alloy of above-mentioned material.For example, the material of the first conductive pattern 120 and the second conductive pattern 130 can be the stacked structure of molybdenum/aluminium/molybdenum three kinds of materials.Or the material of the first conductive pattern 120 and the second conductive pattern 130 also can be the stacked structure of indium tin oxide/silver/indium tin oxide three kinds of materials.The present invention, not in order to limit the stacking number of plies and material, as long as have good electric conductivity, all belongs in category of the present invention.
As shown in Figure 1 C, because the light transmittance of metal is low, for promoting the light transmittance of contact panel 100, each first conductive pattern 120 comprises multiple the first grid cell M1 be connected to each other, and each second conductive pattern 130 comprises multiple the second grid cell M2 be connected to each other.Live width LW1, the LW2 of the first grid cell M1 and the second grid cell M2 such as drop in the scope of 0.05 micron to 20 microns respectively, and be preferably and drop in the not visible scope of human eye, as dropped in the scope of 0.5 micron to 6 microns, to avoid the visual effect affecting contact panel 100.For obviously distinguishing the first conductive pattern 120 and the second conductive pattern 130, the first conductive pattern 120 in Fig. 1 C to Fig. 1 E represents with thick line, and the second conductive pattern 130 represents with fine rule, such as, but this live width LW2 not in order to limit the second grid cell M2 is less than the live width LW1 of the first grid cell M1, and live width LW2 also can equal live width LW1.In the present invention, the first grid cell M1 and the second grid cell M2 is preferably and is made up of aforementioned selected metal or alloy material, to reach preferably electrical property, such as, has lower impedance operator.
The shape of each second grid cell M2 is different from the shape of each first grid cell M1.Specifically, the shape of each first grid cell M1 of the present embodiment is non-equilateral triangle, and the shape of each second grid cell M2 is non-n-shaped, N be greater than 3 positive integer.As shown in Figure 1 C, each second conductive pattern 130 can be made up of jointly quadrilateral, pentagon, hexagon, heptagon and octagonal second grid cell M2, but the present invention is not limited thereto.In another embodiment, the second grid cell M2 of each second conductive pattern 130 also can only be made up of a kind of N limit shape, such as, be only made up of multiple non-regular hexagonal.In addition, implement structure at other, the shape of each first grid cell M1 also can be anon-normal N limit shape, and in this situation, the shape of each second grid cell M2 is then non-equilateral triangle.
By making the first conductive pattern 120 and the second conductive pattern 130 have irregular grid cell respectively, arrange and the folded line phenomenon that causes because having regular periods separately when contact panel 100 and display panel DP can be avoided integrated.
In addition, it is looked by the direction perpendicular to the contact panel 100 in Figure 1A, as shown in figure ip, at the intersection X of the first conductive pattern 120 and the second conductive pattern 130, when several first grid cell M1 and several second grid cell M2 is superimposed with each other, at least three the first grid cell M1 interconnected share a summit T and (in Fig. 1 D, region A1 are only shown, A2, A3, A4, summit T in A5), each summit T is positioned at wherein one second grid cell M2, and all can have one in each second grid cell M2 by the common summit T of these first grid cells M1, namely the quantity of the second grid cell M2 equals the quantity of summit T.In the present embodiment, for the aperture opening ratio size of the polygon mesh units (comprising the first grid cell M1 and the second grid cell M2) of homogenizing intersection X, in each second grid cell M2, just there is the summit T that the first adjacent grid cell M1 shares.In addition, the quantity sharing the first grid cell M1 of summit T equals the limit number of the second grid cell M2 at T place, summit.Region A1, A2, A3, A4, A5 of Fig. 1 D illustrate that the quantity of the first grid cell M1 of shared summit T is the situation of 4,5,6,7,8 respectively.The quantity of the first grid cell M1 in region A1, region A2, region A3, region A4 and region A5 is respectively 4,5,6,7,8, and the limit number of the second grid cell M2 at T place, summit is also respectively 4,5,6,7,8.Thus, although the first conductive pattern 120 and the second conductive pattern 130 are all made up of irregular grid cell (referring to the first grid cell M1 and the second grid cell M2), the aperture opening ratio of the neighboring grid cells under vertical projection can remain consistent haply.That is, the second grid cell M2 at corresponding for summit T place is divided into the close subregion of multiple area by these limits that the summit T had by multiple first grid cell M1 extends, if the first grid cell M1 and the second grid cell M2 is at different layers, these subregions are then be made up of the limit of the limit of the first grid cell M1 and the second grid cell M2 by perpendicular on the projection view angles direction of contact panel; If the first grid cell M1 and the second grid cell M2 is at same layer, these subregions are then to be connected with the limit of the second grid cell M2 by the limit of the first grid cell M1 formed.Wherein an embodiment is as shown in Fig. 1 D and 1E, it is applicable to above-mentioned situation, wherein the second grid cell M2 of this embodiment is the irregular octagon be made up of eight limit SS2, eight limit SS2 or projection view angles direction crossing with the limit SS1 extended by summit T can intersect and the second grid cell M2 is divided into the close subregion Ai of eight areas, and subregion area each other can be variant.The size of the area discrepancy of subregion is then decided by normalization standard deviation (normalizeddeviation) σ, and σ is defined as following formula:
Be the limit number of the second grid cell M2 at T place, summit at this N, and
for the mean value of the area of these subregions,
be defined as the area of the second grid cell M2 at T place, summit divided by its limit number N.For different the second grid cell M2 (as different in shape or area is different), the standard deviation sigma of the area of subregion also can be different.At this, standard deviation sigma is less than or equal to 90%, but standard deviation sigma is preferably between 10% to 65%.Therefore, under the definition of above-mentioned standard deviation sigma can irregular grid unit mutual stacking time, avoid the subregion of large-area subregion and small size because affecting the vision quality of touch-control display panel 10 in partition set, the husky point effect of further improvement, and also can be improved for other impact such as colour cast, brightness disproportionations depending on effect.
Under above-mentioned design, each first grid cell M1 can be corresponding with wherein one side SS2 of the second grid cell M2 at T place, summit with the limit SS1 that summit T connects, and the part connecting line segment (as limit SS1) be connected between adjacent two summit T drop on adjacent two summit T the adjacent two second grid cell M2 that are positioned at, the part first grid cell M1 limit SS1 be connected between adjacent two summit T can be intersected at adjacent two second grid cell M2 that adjacent two summit T are positioned at the limit SS2 that shares.In the present embodiment, the angle θ folded by the SS2 of limit of the limit SS1 that extended by summit T of each first grid cell M1 and the second corresponding grid cell M2 is 50 degree to 90 degree.Herein the angle θ of indication comprise the first grid cell M1 crossing with the limit SS2 of the second corresponding grid cell M2 with the limit SS1 that summit T connects time folded angle θ (as shown in the region A6 of Fig. 1 E), and first grid cell M1 non-intersect with the limit SS1 that summit T connects and the limit SS2 of the second corresponding grid cell M2 time, the angle θ (as shown in the region A7 of Fig. 1 E) folded by the SS1 of limit that extension line and the first grid cell M1 of the limit SS2 of the second grid cell M2 are connected with summit T.
It should be noted that, Figure 1A to Fig. 1 E only schematically illustrates a kind of example of contact panel of the present invention, but the invention is not restricted to above-mentioned.Other kind of example of contact panel of the present invention is described with Fig. 2 to Fig. 5 B below.Fig. 2 to Fig. 5 B is the partial cutaway schematic of five kinds of contact panels according to the of the present invention second to the 6th embodiment.It should be noted that, the ratio of Fig. 2 to Fig. 5 B is only signal, and is not used to limit the present invention.In actual applications, the max line distance of the max line distance of each first grid cell M1 of each first conductive pattern 120 and each second grid cell M2 of each second conductive pattern 130 can between 100 microns to 200 microns.Please refer to Fig. 2, contact panel 200 is approximately identical to the contact panel 100 in Figure 1A, and identical element represents with identical label, the effect not repeating them here the design form of these elements, relative configuration relation and bring.
Main Differences is, the contact panel 200 of the present embodiment also comprises an a cover plate CG and adhesive coating AD, and cover plate CG is engaged with substrate 110 by adhesive coating AD, the first conductive pattern 120, second conductive pattern 130 after wherein engaging and insulation course 140 are between cover plate CG and substrate 110.In the present embodiment, substrate 110 is as the bearing substrate of the first conductive pattern 120 and the second conductive pattern 130.Described bearing substrate can be independent of the substrate outside display panel, or is integrated in the device substrate in display panel.The described device substrate be integrated in display panel is such as the colored optical filtering substrates of display panels or the encapsulation cover plate etc. of organic LED display panel, but not as limit.In addition, bearing substrate can be glass substrate, plastic base or plastic sheeting etc.The thickness of described plastic sheeting is such as 100 microns to 200 microns.Bearing substrate is not cover plate as shown in Figure 1A herein, and the substrate 110 of this embodiment can be the substrate not needing to strengthen.It is worth mentioning that, plastic base/film can be carbonic allyl ester (propylenecarbonate, PC), polymethylmethacrylate (Polymethylmethacrylate, PMMA) or substrate or the aforesaid composite base plate/film such as polyimide (polyimide), but not as limit.
Please refer to Fig. 3, contact panel 300 is approximately identical to the contact panel 200 in Fig. 2, and identical element represents with identical label, the effect not repeating them here the design form of these elements, relative configuration relation and bring.Main Differences is, first conductive pattern 120 of the present embodiment and the second conductive pattern 130 are separately positioned on cover plate CG and substrate 110, and cover plate CG is engaged with substrate 110 by adhesive coating AD, the first conductive pattern 120 after wherein engaging and the second conductive pattern 130 are between cover plate CG and substrate 110.In the present embodiment, adhesive coating AD, except the effect with joint, also provides an insulation effect.In other words, compared to contact panel 100,200, the present embodiment can omit the setting of the insulation course 140 in Fig. 2.
Please refer to Fig. 4, contact panel 400 is approximately identical to the contact panel 200 in Fig. 2, and identical element represents with identical label, the effect not repeating them here the design form of these elements, relative configuration relation and bring.Main Differences is, first conductive pattern 120 of the present embodiment and the second conductive pattern 130 are separately positioned on relative two of substrate 110 on the surface, and cover plate CG is engaged with substrate 110 by adhesive coating AD, the first conductive pattern 120 after wherein engaging is between cover plate CG and substrate 110.That is, the substrate 110 of the present embodiment, except the effect providing carrying, also provides an insulation effect.Therefore, compared to contact panel 100,200, the present embodiment also can omit the setting of the insulation course 140 in Fig. 2.Further, the substrate 110 of the present embodiment can be the bearing substrate of Fig. 2, seldom repeats at this.
Please refer to Fig. 5 A, contact panel 500 is approximately identical to the contact panel 100 in Fig. 1, and identical element represents with identical label, the effect not repeating them here the design form of these elements, relative configuration relation and bring.Main Differences is, the contact panel 500 of the present embodiment also comprises one first adhesive coating AD1, one second adhesive coating AD2, a cover plate CG and a second substrate 150.First conductive pattern 120 and the second conductive pattern 130 are separately positioned on substrate 110 and second substrate 150, and substrate 110 is engaged by the first adhesive coating AD1 with second substrate 150, the first conductive pattern 120 after wherein engaging and the second conductive pattern 130 are between substrate 110 and second substrate 150.In addition, second substrate 150 is engaged with cover plate CG by the second adhesive coating AD2, and the second substrate 150 after engaging is between the first conductive pattern 120 and cover plate CG.In the present embodiment, substrate 110 and second substrate 150 are respectively as the bearing substrate of the second conductive pattern 130 and the first conductive pattern 120.For the general thickness of thinning contact panel 500, substrate 110 and second substrate 150 are such as respectively the plastic sheeting of thickness between 100 microns to 200 microns.First adhesive coating AD1, except the effect with joint, also provides an insulation effect.In other words, compared to contact panel 100,200, the present embodiment can omit the setting of the insulation course 140 in Fig. 2.
In another embodiment, the first conductive pattern 120 and the second conductive pattern 130 all towards a display panel, can that is to say another surface second conductive pattern 130 of Fig. 5 A being arranged on substrate 110.Or the first conductive pattern 120 and the second conductive pattern 130 also all towards user, can that is to say another surface first conductive pattern 120 of Fig. 5 A being arranged on second substrate 150.
Please refer to Fig. 5 B, contact panel 500A is approximately identical to the contact panel 500 in Fig. 5 A, and identical element represents with identical label, the effect not repeating them here the design form of these elements, relative configuration relation and bring.Main Differences is, the first conductive pattern 120 is embedded in second substrate 150A, and the second conductive pattern 130 is embedded in substrate 110A.In the present embodiment, substrate 110A such as comprises base material 112 and is arranged at the embedding layer 114 on base material 112, and the second conductive pattern 130 is embedded in embedding layer 114.On the other hand, second substrate 150A such as comprises base material 152 and is arranged at the embedding layer 154 on base material 152, and the first conductive pattern 120 is embedded in embedding layer 154.Therefore hardness due to base material 112,152 is higher not easily mouldingly configures the lower embedding layer 114,154 of hardness and has easily moulding ability.For example, the material of base material 112,152 can be rigid, as glass.On the other hand, the material of embedding layer 114,154 can be soft materials, as UV glue, hot-setting adhesive, high molecular polymer or the high-molecular organic material containing imide (polyimide).But the material of base material 112,152 and embedding layer 114,154 is not limited to above-mentioned.
In another embodiment, if embedding layer 114,154 itself has viscosity, then can omit the setting of the first adhesive coating AD1 in Fig. 5 B, but the first conductive pattern 120 and the second conductive pattern 130 must all towards display panels, to avoid the problem that mutual short circuit occurs, that is to say another surface embedding layer 114 of Fig. 5 B and the second conductive pattern 130 being arranged on base material 112; Or the first conductive pattern 120 and the second conductive pattern 130 also all towards user, can that is to say another surface embedding layer 154 of Fig. 5 B and the first conductive pattern 120 being arranged on base material 152.In addition, if base material 112,152 is as soft material, that is base material 112,152 itself can form multiple depression as shown in Figure 5 B, then also can omit the setting of embedding layer 114,154.
In above-described embodiment, the first conductive pattern forms the conductive pattern of strip by multiple first grid cell, and the second conductive pattern forms the conductive pattern of strip by multiple second grid cell, but the present invention is not limited thereto.Fig. 6 A is the partial cutaway schematic of a kind of contact panel according to the sixth embodiment of the present invention.Fig. 6 B is the local upper schematic diagram of the conductive pattern in Fig. 6 A.Please refer to Fig. 6 A and Fig. 6 B, contact panel 600 comprises a substrate 110 and multiple conductive pattern 122A, 132A, and wherein the related content of substrate 110 can refer to description corresponding in Figure 1A, does not repeat them here.
The contact panel 600 of the present embodiment is with the Main Differences of the contact panel 100 of Figure 1A to Fig. 1 E embodiment, conductive pattern 122A, 132A of the present embodiment comprise multiple the first grid cell M1 of being connected to each other and multiple the second grid cell M2 be connected to each other separately, and the first grid cell M1 in each conductive pattern 122A, 132A is electrically connected at the second grid cell M2, wherein the related content of the first grid cell M1 and the second grid cell M2 can refer to the description of Fig. 1 C to Fig. 1 E.Difference is, the first grid cell M1 in Fig. 1 C to Fig. 1 E belongs to different conductive patterns from the second grid cell M2, and the first grid cell M1 and the second grid cell M2 is separated from one another and is electrically insulated.In comparison, the conductive pattern 122A (or conductive pattern 132A) of the present embodiment comprises multiple the first grid cell M1 of being connected to each other and multiple the second grid cell M2 be connected to each other simultaneously, and wherein the first grid cell M1 of conductive pattern 122A (or conductive pattern 132A) and the second grid cell M2 is positioned at and same layer (is such as all positioned on substrate 110) and intersects each other.Particularly, the first grid cell M1 in Fig. 1 C to Fig. 1 E and the second grid cell M2 lay respectively at the relative both sides of insulation course 140 (please refer to Figure 1A).But the first grid cell M1 of the conductive pattern 122A of the present embodiment and the second grid cell M2 is positioned at and same layer (is such as all positioned on substrate 110) and intersects each other.That is, each conductive pattern 122A (or each conductive pattern 132A) is made up of multiple irregular grid cell (comprising the first grid cell M1 and the second grid cell M2) respectively.Therefore, the present embodiment except the husky point effect that can improve conductive pattern 122A, 132A, the folded line phenomenon caused because regular periods arranges when contact panel 600 and display panel also can be avoided integrated.
In the present embodiment, contact panel 600 also comprises multiple first connecting portion 124A and multiple second connecting portion 134A, wherein adjacent two conductive pattern 122A are connected in series along second direction D2 by each first connecting portion 124A, to form many first tandem 120A arranged along first direction D1, and adjacent two conductive pattern 132A are connected in series along first direction D1 by each second connecting portion 134A, to form many second tandem 130A along second direction D2 arrangement, wherein the first tandem 120A and the second tandem 130A intersects each other and is electrically insulated each other.Particularly, contact panel 600 also comprises multiple island insulating pattern 140A being positioned at the intersection X of the first tandem 120A and the second tandem 130A, be electrically insulated to make both, wherein conductive pattern 122A, conductive pattern 132A and the first connecting portion 124A are co-located on substrate 110, and the second connecting portion 134A crosses over insulating pattern 140A and is connected in series along first direction D1 by adjacent two conductive pattern 132A.
In another embodiment, insulating pattern 140A also can be that whole face covers on substrate 110, conductive pattern 122A and conductive pattern 132A, wherein by forming perforation in insulating pattern 140A, to expose conductive pattern 132A, adjacent two conductive pattern 132A are also connected in series along first direction D1 by perforation by the second connecting portion 134A.Or as shown in Figure 1A, the first tandem 120A and the second tandem 130A also can lay respectively at the relative both sides of the insulating pattern 140 of whole.It should be noted that, the first tandem 120A and the second tandem 130A also can be applied in the structure of Fig. 2 to Fig. 5 and (replace the position of the first conductive pattern 120 and the second conductive pattern 130 respectively).
Moreover though Fig. 6 B illustrates the first connecting portion 124A and the second connecting portion 134A with wall scroll line segment, the present invention is not in order to limit the concrete example of the first connecting portion 124A and the second connecting portion 134A.For example, first connecting portion 124A (or second connecting portion 134A) can be wall scroll line segment, many line segments or also can adopt the form of conductive pattern 122A (or conductive pattern 132A), namely comprises the first grid cell M1 and the second grid cell M2.Described line segment can be straight line, curve or meander line.In addition, the material of the first connecting portion 124A and the second connecting portion 134A can adopt the material of the first grid cell M1 and the second grid cell M2, with simplify processes time and cost.
Fig. 7 A is the seventh embodiment of the present invention, and Fig. 7 A is the partial cutaway schematic of a kind of contact panel according to the sixth embodiment of the present invention.Fig. 7 B is the local upper schematic diagram of the conductive pattern in Fig. 7 A.Please refer to Fig. 7 A and Fig. 7 B, contact panel 700 is approximately identical to the contact panel 600 in Fig. 6 A and Fig. 6 B, and the element of identical (or similar) represents with the label of identical (or similar), does not repeat them here.Main difference is, contact panel 700 has the structure of individual layer touch-control sensing.That is, compared to contact panel 600, the present embodiment can omit the setting of the first connecting portion 124A in Fig. 6 B and the second connecting portion 134A.In the present embodiment, each conductive pattern 122B (or conductive pattern 132B) can comprise the first grid cell M1 and the second grid cell M2, namely the design of the conductive pattern 122A (or conductive pattern 132A) in Fig. 6 B is adopted, to reach the husky point effect of aforementioned improvement and folded line phenomenon.
It should be noted that, the present embodiment not in order to limit the profile of conductive pattern 122B and conductive pattern 132B or both be oppositely arranged relation.The structure of any individual layer touch-control sensing all belongs in category of the present invention.For example, in another embodiment, the profile of conductive pattern 122B and conductive pattern 132B can be triangle respectively, and conductive pattern 122B and conductive pattern 132B alternately arranges along a direction.
Fig. 8 is the partial cutaway schematic of a kind of contact panel according to the seventh embodiment of the present invention.Please refer to Fig. 8, contact panel 800 is approximately identical to the contact panel 700 in Fig. 7 A, and identical element represents with identical label, does not repeat them here.Main difference is, contact panel 800 also comprises an a cover plate CG and adhesive coating AD, and cover plate CG is engaged with substrate 110 by adhesive coating AD, the conductive pattern 122B after wherein engaging and conductive pattern 132B (being illustrated in Fig. 7 B) is between cover plate CG and substrate 110.In the present embodiment, substrate 110 is as the bearing substrate of conductive pattern 122B, 132B.Associated description about bearing substrate can refer to Fig. 2, does not repeat them here.
In sum, the above embodiment of the present invention utilize several first grid cell M1 and several second grid cell M2 to be superimposed with each other design to improve the problem of folded line phenomenon and husky point effect.So, contact panel is made to have good visual effect.
Last it is noted that above each embodiment is only in order to illustrate technical scheme of the present invention, be not intended to limit; Although with reference to foregoing embodiments to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein some or all of technical characteristic; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.
Claims (29)
1. a contact panel, is characterized in that, comprising:
Multiple first conductive pattern, respectively this first conductive pattern comprises multiple the first grid cell be connected to each other; And
Multiple second conductive pattern, those second conductive patterns and those the first conductive patterns are electrically insulated each other and intersect each other, respectively this second conductive pattern comprises multiple the second grid cell be connected to each other, and respectively the shape of this second grid cell is different from the shape of respectively this first grid cell.
2. contact panel according to claim 1, is characterized in that, respectively the shape of this first grid cell is non-equilateral triangle, and respectively the shape of this second grid cell is non-n-shaped, N be greater than 3 positive integer.
3. contact panel according to claim 2, is characterized in that, at least three those first grid cells interconnected share summit, and this summit is positioned at wherein one second grid cell.
4. contact panel according to claim 3, is characterized in that, the connecting line segment between adjacent two summits of part drops on adjacent two these the second grid cells that these adjacent two summits are positioned at.
5. contact panel according to claim 3, is characterized in that, the quantity sharing those first grid cells on this summit equals the limit number of this second grid cell at this place, summit.
6. contact panel according to claim 5, it is characterized in that, this second grid cell at this place, summit is divided into N number of subregion by the limit that respectively this first grid cell is extended by this summit, and the standard deviation of the area of N number of subregion is σ, σ is less than or equal to 90%, σ and is defined as following formula:
Wherein N is the limit number of this second grid cell at this place, summit,
for the mean value of the area of those subregions.
7. contact panel according to claim 6, is characterized in that, σ is between 10% to 65%.
8. contact panel according to claim 5, is characterized in that, respectively the angle folded by limit of the limit that extended by this summit of this first grid cell and this corresponding the second grid cell is 50 degree to 90 degree.
9. contact panel according to claim 2, is characterized in that, respectively just have the summit that those adjacent first grid cells share in this second grid cell, and the quantity of this second grid cell equals the quantity on this summit.
10. contact panel according to claim 1, is characterized in that, also comprises substrate and insulation course, and wherein those first conductive patterns and those the second conductive patterns are positioned on the same surface of this substrate, and lay respectively at the relative both sides of this insulation course.
11. contact panels according to claim 1, it is characterized in that, also comprise substrate, cover plate and insulation course, wherein those first conductive patterns, those second conductive patterns and this insulation course are between this substrate and this cover plate, and those first conductive patterns lay respectively at the relative both sides of this insulation course with those second conductive patterns.
12. contact panels according to claim 10 or 11, it is characterized in that, this insulation course is lamination or the adhesive coating of inorganic insulation layer, organic insulator, inorganic insulation layer and organic insulator.
13. contact panels according to claim 1, it is characterized in that, also comprise substrate and cover plate, wherein those first conductive patterns and those second conductive patterns lay respectively at the relative both sides of this substrate, and the wherein one of those first conductive patterns and those the second conductive patterns is between this substrate and this cover plate.
14. contact panels according to claim 1, it is characterized in that, also comprise first substrate, cover plate, the first adhesive coating, the second adhesive coating and second substrate, wherein those first conductive patterns are arranged on this second substrate, this second substrate is engaged with this cover plate by this second adhesive coating, and those second conductive patterns to be arranged on this first substrate and to be engaged with this second substrate by this first adhesive coating.
15. contact panels according to claim 1, is characterized in that, respectively the live width of this first grid cell and each this second grid cell drops in the scope of 0.05 micron to 20 microns respectively.
16. 1 kinds of contact panels, is characterized in that, comprising:
Multiple conductive pattern, respectively this conductive pattern comprises multiple first grid cell and multiple second grid cell, those first grid cells are electrically connected at those the second grid cells, wherein respectively the shape of this first grid cell is non-equilateral triangle, respectively the shape of this second grid cell is non-n-shaped, N be greater than 3 positive integer.
17. contact panels according to claim 16, is characterized in that, at least three those first grid cells interconnected share summit, and this summit is positioned at wherein one second grid cell.
18. contact panels according to claim 17, is characterized in that, the connecting line segment between adjacent two summits of part drops on adjacent two second grid cells that these adjacent two summits are positioned at.
19. contact panels according to claim 17, is characterized in that, the quantity sharing those first grid cells on this summit equals the limit number of this second grid cell at this place, summit.
20. contact panels according to claim 19, it is characterized in that, this second grid cell at this place, summit is divided into N number of subregion by the limit that respectively this first grid cell is extended by this summit, and the standard deviation of the area of N number of subregion is σ, σ is less than or equal to 90%, σ and is defined as following formula:
Wherein N is the limit number of this second grid cell at this place, summit,
for the mean value of the area of those subregions.
21. contact panels according to claim 20, is characterized in that, σ is between 10% to 65%.
22. contact panels according to claim 17, is characterized in that, respectively the angle folded by limit of the limit that extended by this summit of this first grid cell and this corresponding the second grid cell is 50 degree to 90 degree.
23. contact panels according to claim 16, is characterized in that, respectively just have the summit that those adjacent first grid cells share in this second grid cell, and the quantity of this second grid cell equal the quantity on this summit.
24. contact panels according to claim 16, is characterized in that, respectively those first grid cells of this conductive pattern are connected to each other, and respectively those second grid cells of this conductive pattern are connected to each other.
25. contact panels according to claim 16, is characterized in that, also comprise substrate, and wherein those conductive patterns are arranged on the substrate.
26. contact panels according to claim 16, is characterized in that, also comprise substrate and cover plate, and wherein those conductive patterns are between this substrate and this cover plate.
27. contact panels according to claim 16, is characterized in that, respectively the live width of this first grid cell and each this second grid cell drops in the scope of 0.05 micron to 20 microns respectively.
28. contact panels according to claim 16, it is characterized in that, those conductive patterns multiple of part are electrically connected along first direction, to form many second tandems along second direction arrangement, and those conductive patterns multiple of other parts are electrically connected along this second direction, to form many first tandems arranged along this first direction, wherein those first tandems and those the second tandems are electrically insulated each other.
29. contact panels according to claim 28, it is characterized in that, also comprise multiple first connecting portion and multiple second connecting portion, wherein respectively adjacent two conductive patterns are connected in series along this first direction by this second connecting portion, and respectively adjacent two conductive patterns are connected in series along this second direction by this first connecting portion, and those first connecting portions and those the second connecting portions are electrically insulated each other and intersect each other.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW103118066 | 2014-05-23 | ||
| TW103118066A TW201545028A (en) | 2014-05-23 | 2014-05-23 | Touch panel |
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| CN201410320401.5A Pending CN105094408A (en) | 2014-05-23 | 2014-07-04 | Touch panel |
| CN201420368406.0U Expired - Fee Related CN204087146U (en) | 2014-05-23 | 2014-07-04 | Touch panel |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| TW201545028A (en) * | 2014-05-23 | 2015-12-01 | Wintek Corp | Touch panel |
| CN107710122B (en) * | 2015-07-24 | 2020-09-11 | 富士胶片株式会社 | Method for designing grid pattern of conductive film for touch panel, method for manufacturing conductive film for touch panel, and conductive film for touch panel |
| US10825839B2 (en) * | 2016-12-02 | 2020-11-03 | Innolux Corporation | Touch display device |
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| CN204087146U (en) | 2015-01-07 |
| TW201545028A (en) | 2015-12-01 |
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