CN104656966A - Touch control panel - Google Patents
Touch control panel Download PDFInfo
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- CN104656966A CN104656966A CN201410001967.1A CN201410001967A CN104656966A CN 104656966 A CN104656966 A CN 104656966A CN 201410001967 A CN201410001967 A CN 201410001967A CN 104656966 A CN104656966 A CN 104656966A
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Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
- G06F2203/04112—Electrode mesh in capacitive digitiser: electrode for touch sensing is formed of a mesh of very fine, normally metallic, interconnected lines that are almost invisible to see. This provides a quite large but transparent electrode surface, without need for ITO or similar transparent conductive material
Abstract
The invention discloses a touch pad, which comprises a touch electrode, wherein the touch electrode comprises a plurality of triangular grid units. The triangular mesh units are mutually spliced and arranged, and each triangular mesh unit and at least one adjacent triangular mesh unit have different shapes. Each triangular mesh unit has three sides connected to each other, and at least two of the sides of each triangular mesh unit have different lengths. The touch control panel of the invention utilizes the non-equilateral triangle grid units with different shapes to form the touch control electrode, and the non-equilateral triangle grid units with different shapes are mutually spliced and arranged, thereby improving the adverse effect of moire effect when the touch control panel is matched with the display pixels and further achieving the purpose of improving the whole visual effect.
Description
Technical field
The present invention relates to a kind of Trackpad, particularly a kind of Trackpad with irregular triangular mesh.
Background technology
In recent years, touch-control sensing technology develops by leaps and bounds, and many consumption electronic products such as mobile phone (mobile phone), GPS (GPS navigator system), flat computer (tablet PC), personal digital assistant (PDA) and mobile computer (laptop PC) etc. all have the product be combined with touch controllable function to release.In above-mentioned each electronic product, mainly original Presentation Function and touch-control sensing function carried out integrating and form touch control display apparatus.Greatly, more common technology comprises resistance-type, condenser type and optical profile type etc. in the technical development of current Trackpad.In traditional resistance-type or capacitive touch control plate, the sensing electrode carrying out touch control detection is generally with transparent conductive material such as tin indium oxide (indium tin oxide in order to avoid affecting the display effect of arranging in pairs or groups, ITO) formed, resistivity due to transparent conductive material is general still high than conductive metal material, therefore using transparent conductive material to form induction electrode, that overall resistance can occur is too high and have influence on the problems such as reaction velocity.Therefore, current association area also has to develop and replaces transparent conductive material with the metal grill (metal mesh) of metallic circuit configuration and form the design of electrode to improve reaction velocity.But, general metal grill pattern is repeated to be spliced by the figure of the rule such as figure such as regular hexagon or square, therefore when this type of metal grill pattern and display board are arranged in pairs or groups, if when the pixel size in the length of side of each metal grill and display board is close, easily there is folded line (Moir é) effect and affect overall display quality.
Summary of the invention
The object of the present invention is to provide a kind of Trackpad, utilize difform triangular mesh unit to form touch control electrode, the harmful effect of line (Moir é) effect occurs to fold when Trackpad and display pixel are arranged in pairs or groups in order to improve.
The invention provides a kind of Trackpad, comprise a touch control electrode, and touch control electrode comprises multiple triangular mesh unit.Triangular mesh unit splices setting mutually, and each triangular mesh unit has different shapes from least one adjacent triangular mesh unit.Each triangular mesh unit has three sides and is connected with each other, and the length of at least dual-side of each triangular mesh unit is different.
Trackpad of the present invention utilizes variform non-equilateral triangle grid cell to form touch control electrode, spread configuration is spliced mutually by this variform non-equilateral triangle grid cell, the harmful effect that folded line effect occurs when Trackpad and display pixel are arranged in pairs or groups can be improved, and then reach and improve overall object of looking effect.
Accompanying drawing explanation
Fig. 1 is to the schematic diagram of formation method of grid of Trackpad that Figure 3 shows that the embodiment of the present invention 1;
Figure 4 shows that the distribution situation schematic diagram of the grid of the Trackpad of the embodiment of the present invention 1 in a volume coordinate;
Figure 5 shows that the spatial frequency spectrum of the distribution situation of the grid of Fig. 4 in volume coordinate gained after fourier transform;
Figure 6 shows that the schematic diagram of the Trackpad of the embodiment of the present invention 1;
Figure 7 shows that the schematic diagram of the Trackpad of the embodiment of the present invention 2;
Figure 8 shows that the schematic diagram of the Trackpad of the embodiment of the present invention 3;
Figure 9 shows that the schematic diagram of the Trackpad of the embodiment of the present invention 4;
Figure 10 shows that the schematic diagram of the Trackpad of the embodiment of the present invention 5;
Figure 11 shows that the schematic diagram of the Trackpad of the embodiment of the present invention 6;
Figure 12 shows that the embodiment of the present invention 7 with the structural representation of the cabling of grid protocol;
Figure 13 shows that the structural representation of the cabling formed with the polygonal mesh of non-triangular.
Wherein, description of reference numerals is as follows:
Embodiment
Can understand the present invention further for making to have the knack of those skilled in the art, hereafter spy enumerates several specific embodiment of the present invention, and coordinates accompanying drawing, describes technical scheme of the present invention in detail.
Embodiment 1
Please refer to Fig. 1 to Fig. 3.Fig. 1 is to the schematic diagram of formation method of grid of Trackpad that Figure 3 shows that the embodiment of the present invention 1.Wherein Fig. 1 is schematic flow sheet.For convenience of description, each accompanying drawing of the present invention is only signal in order to easily to understand the present invention, and its detailed ratio can adjust according to the demand of design.As shown in Fig. 1 to Fig. 3, the present embodiment provides a kind of formation method of grid of Trackpad, and the method comprises the following steps.First, carry out step S110, provide one first triangular grid pattern unit P1, the first triangular grid pattern unit P1 has three first side E1 and is connected with each other, and the length of at least two first side E1 is different.First triangular grid pattern unit P1 is a non-equilateral triangle, and three first side E1 of the first triangular grid pattern unit P1 are preferably, and length is unequal each other, but the present invention is not as limit, the different isosceles triangle of only two first side E1 length also can be used in other embodiments of the invention to be used as the first triangular grid pattern unit P1.In other words, the first triangular grid pattern unit P1 does not comprise equilateral triangle.In addition, in the first triangular grid pattern unit P1, the length difference scope of at least two first side E1 is preferably greater than 5% of the length of wherein shorter first side E1, but not as limit.
Then, as shown in Figures 1 and 2, carry out step S120, multiple second triangular grid pattern unit P2 is outwards drawn from the first triangular grid pattern unit P1 based on the E1 of first side, wherein each first side E1 is a side E2 of each second triangular grid pattern unit P2, and the first triangular grid pattern unit P1 has different shapes from least one second triangular grid pattern unit P2.In other words, the second triangular grid pattern unit P2 that first triangular grid pattern unit P1 connects with it shares a side, and this side is the first side E1 of the first triangular grid pattern unit P1 and the side E2 of the second triangular grid pattern unit P2 simultaneously.In addition, each second triangular grid pattern unit P2 of the present embodiment is preferably form from one another difference, and each second triangular grid pattern unit P2 is also different with the shape of the first triangular grid pattern unit P1.In the present embodiment, each second triangular grid pattern unit P2 is also respectively a non-equilateral triangle, that is in each second triangular grid pattern unit P2, at least the length of dual-side E2 is different, and three side E2 length in each second triangular grid pattern unit P2 are preferably different each other, but not as limit.In addition, the aperture area of the first triangular grid pattern unit P1 is different from the aperture area of at least one second triangular grid pattern unit P2, and the first triangular grid pattern unit P1 differ with the aperture area of at least one second triangular grid pattern unit P2 that percentage range is preferably greater than the aperture area of the first wherein smaller triangular grid pattern unit P1 or the second triangular grid pattern unit P2 5%.In other words, in this lattice, it is different that the first triangular grid pattern unit P1 and each second triangular grid pattern unit P2 is preferably form from one another.
Then, as shown in Figures 1 and 2, carry out step S130, based at least part of side E2 of the second triangular grid pattern unit P2, draw multiple 3rd triangular grid pattern unit P3.The side E2 of the second at least part of triangular grid pattern unit P2 is the side E3 of the 3rd triangular grid pattern unit P3, and at least one 3rd triangular grid pattern unit P3 has different shapes from least one second triangular grid pattern unit P2.In other words, the 3rd triangular grid pattern unit P3 that second triangular grid pattern unit P2 connects with it shares a side, and this side is the side E2 of the second triangular grid pattern unit P2 and the side E3 of the 3rd triangular grid pattern unit P3 simultaneously.In the present embodiment, each 3rd triangular grid pattern unit P3 is also respectively a non-equilateral triangle, that is in each 3rd triangular grid pattern unit P3, at least the length of dual-side E3 is different, and three side E3 length in each 3rd triangular grid pattern unit P3 are preferably different each other, but not as limit.By repeating the mode of similar above-mentioned steps S120 and step S130, a lattice PX as shown in Figure 2 can be formed.In other words, lattice PX is made up of above-mentioned non-equilateral triangle lattice unit.Utilize lattice PX, such as lattice PX is made light shield (not shown), in order to carry out Patternized technique to a conductive material layer such as metal level (not shown), the grid 120M of a Trackpad 100 can be formed as shown in Figure 3 in one first substrate 111.Therefore, in step S140, the present invention converts the first triangular grid pattern unit P1, the second triangular grid pattern unit P2 and the 3rd triangular grid pattern unit P3 to grid 120M.The grid 120M of Trackpad of the present invention is preferably metal grill or is formed by other applicable conductive materials.Above-mentioned metal level can comprise the wherein at least one of metal material such as aluminium, copper, silver, chromium, titanium, molybdenum, the composite bed of above-mentioned material or the alloy of above-mentioned material, but not as limit.Above-mentioned conductive material can comprise conducting particles, carbon nano-tube or development, but not as limit.Grid 120M is made up of multiple triangular mesh unit 120P.In addition, triangular mesh unit 120P is preferably metal grill unit, but not as limit.In other words, each triangular mesh unit 120P can comprise aluminium, copper, silver, chromium, titanium, the wherein at least one of molybdenum, the composite bed (such as by ITO/Ag/ITO or Mo/Al/Mo tri-layers of composite bed be stacked into) of above-mentioned material, the alloy of above-mentioned material, conducting particles, carbon nano-tube, development or other conductive materials be applicable to.Each triangular mesh unit 120P conforms to the triangular grid pattern unit figure of in lattice PX.In other words, the figure of grid 120M can optionally conform to the figure in region at least part of in lattice PX.Therefore, grid 120M can be and only utilizes the first triangular grid pattern unit P1 and the second triangular grid pattern unit P2 to be formed, and is in other words namely after step S120, directly to convert the first triangular grid pattern unit P1 and the second triangular grid pattern unit P2 to grid 120M.Or grid 120M also can be and utilizes the first triangular grid pattern unit P1, the second triangular grid pattern unit P2, the 3rd triangular grid pattern unit P3 and other polygon triangular grid pattern unit extended to form to be formed.
In the present embodiment, the length of the first side E1 of the first triangular grid pattern unit P1 and the side E2 of the second triangular grid pattern unit P2 has a length mean value
and the poor Δ L of a length standard.Length mean value
be defined as follows:
Length standard difference Δ L is defined as follows:
In equation (1) and (2), L
i(such as in fig. 2, the first triangular grid pattern unit P1 tri-length of sides are respectively L to represent the length of side on some non-one of them limits of equilateral triangle type in grid
1, L
2, L
3), the sum on all non-equilateral triangle type limits in the grid 120M selected by N representative.
Length mean value L is preferably greater than 15 microns (micrometer, μm) and is less than 0.5 millimeter (millimeter, mm), and length standard difference Δ L and length mean value
ratio
preferably be greater than 0.05 and be less than 0.5, mode can control each triangular grid pattern unit different effect in order to reach randomization each other on the one hand whereby, and in addition on the one hand can control each triangular grid pattern unit and change in certain scope, avoid the difference of each triangular grid pattern unit excessive and affect the overall homogeneity of lattice PX.In addition, the length of the side E3 of the first side E1 of the first triangular grid pattern unit P1, the side E2 of the second triangular grid pattern unit P2 and the 3rd triangular grid pattern unit P3 also can have above-mentioned length mean value L and length standard difference Δ L, but not as limit.
Please refer to Fig. 3 to Fig. 5.Figure 4 shows that grid 120M or the distribution situation schematic diagram of lattice PX in a volume coordinate (Cartesian coordinates) of the Trackpad of the present embodiment.Figure 5 shows that the grid 120M of Fig. 4 or the spatial frequency spectrum of the distribution situation of lattice PX in volume coordinate gained after fourier transform.As shown in Fig. 3 to Fig. 5, the pattern of the grid 120M be made up of triangular mesh unit 120P in a volume coordinate its spatial frequency after fourier transform has in the 68.2% annular section CZ be distributed in a graph of spatial frequency spectrum substantially.Pattern in above-mentioned Fig. 4 in volume coordinate is preferably a square pattern, is made up of, in order to carry out fourier transform multiple triangular mesh unit 120P.The grid 120M be made up of triangular mesh unit 120P has an a spatial frequency mean value k and spatial frequency standard deviation Δ k in graph of spatial frequency spectrum, the definition of k and Δ k is similar to above-mentioned equation (1) and (2) respectively, spatial frequency mean value k is greater than 4 π cycle/mm and is less than 2 π/15cycle/ μm, and the ratio of spatial frequency standard deviation Δ k and spatial frequency mean value k (Δ k/k) is greater than 0.05 and is less than 0.5.In addition, annular section CZ is preferably made up of concentrically ringed one first circular C1 and one second circular C2 each other, the radius of the first circular C1 preferably equals the difference of above-mentioned spatial frequency mean value k and spatial frequency standard deviation Δ k, and the radius of the second circular C2 preferably equal spatial frequency mean value k and spatial frequency standard deviation Δ k and.
In grid 120M, each triangular mesh unit 120 has different shapes from least one adjacent triangular mesh unit 120P.Each triangular mesh unit 120P has three side E and is connected with each other, each triangular mesh unit 120P is respectively a non-equilateral triangle, that is the length of at least dual-side E of each triangular mesh unit 120P is different, and the length of three side E3 in each triangular mesh unit 120P is preferably different from each other, but not as limit.Each triangular mesh unit 120P splices setting mutually, and a side E of each triangular mesh unit 120P is a side E of an adjacent triangular mesh unit 120P.In other words, each triangular mesh unit 120P is that each triangular mesh unit 120P connected with it shares a side E.The length difference scope of at least dual-side E of each triangular mesh unit 120P is greater than 5% of wherein shorter side edge length.In other words, the length of the side E of each triangular mesh unit 120P preferably distributes setting in a random way, but not as limit.What deserves to be explained is, the aperture area of each triangular mesh unit 120P is different from the aperture area of at least one adjacent each triangular mesh unit 120P, and the aperture area difference scope of at least two adjacent triangular mesh unit 120P is preferably greater than 5% of wherein smaller aperture area.In the present invention, the quantity optionally optionally can choosing required triangular mesh unit 120P is arranged in Trackpad.Therefore, in single Trackpad, each triangular mesh unit 120P can all form from one another be different, but the present invention is not as limit.In other embodiments of the invention, also optionally can be formed a lattice unit (not shown) with multiple triangular mesh unit 120P of subregion, and be repeated splicing arrangement to form grid 120M with this lattice unit.In addition, because each triangular mesh unit 120P conforms to the triangular grid pattern unit figure of in lattice PX, therefore, the side E of the triangular mesh unit 120P in grid 120M also has above-mentioned length mean value L and length standard difference Δ L, and the pattern of triangular mesh unit 120P in a volume coordinate its spatial frequency after fourier transform also has in the 68.2% annular section CZ be distributed in a graph of spatial frequency spectrum substantially.Triangular mesh unit 120P also has above-mentioned spatial frequency mean value k and spatial frequency standard deviation Δ k in graph of spatial frequency spectrum.Scope about length mean value L, length standard difference Δ L, spatial frequency mean value k and spatial frequency standard deviation Δ k illustrates at foregoing, therefore repeats no more at this.
Please refer to Fig. 3 and Fig. 6.Figure 6 shows that the schematic diagram of the Trackpad of the present embodiment.Fig. 3 can be considered the subregion enlarged diagram of the Trackpad of Fig. 6.As shown in Fig. 3 and Fig. 6, the present embodiment provides a Trackpad 100, comprises a touch control electrode 120.Touch control electrode 120 comprises multiple triangular mesh unit 120P and splices mutually setting (in Fig. 3 be break around portion divide indicate triangular mesh unit 120P).Feature about each triangular mesh unit 120P illustrates in foregoing, therefore repeats no more at this.What deserves to be explained is, Trackpad 100 also can comprise one first substrate 111, and touch control electrode 120 is arranged in the first substrate 111.First substrate 111 can comprise substrate of glass, hard overlay (cover lens), plastic cement substrate, flexible cover sheet, flexible plastic cement substrate, the substrate of thin substrate of glass or a display, wherein, above-mentioned overlay is at least provided with a decorative layer 130 in side, and the substrate of aforementioned display device can be colorized optical filtering substrate, the encapsulation cover plate of active array substrate or organic light emitting display, but not as limit, what deserves to be explained is, hard overlay can comprise glass cover, plastic cement overlay or other there is high mechanical properties material formed there is protection (such as scratch resistant), cover or beautify the overlay of its corresponding intrument, the thickness of hard overlay can between 0.2 millimeter to 2 millimeters.Hard overlay can be flat shape or curve form or aforesaid combination, such as, be 2.5D glass, but not as limit.In addition, also can select to arrange an antifouling plated film (Anti-Smudge Coating) at hard overlay towards the side that user carries out operating.In the present embodiment, touch control electrode 120 can comprise multiple sub-electrode 120S and multiple connecting portion 120C, and each connecting portion 120C is electrically connected with corresponding sub-electrode 120S.Each sub-electrode 120S is electrically separated to be each other arranged in the first substrate 111, in order to carry out a self-capacitance (self-capacitance) touch control detection, but not as limit.What deserves to be explained is, each sub-electrode 120S and each connecting portion 120C wherein at least one is made up of at least part of triangular mesh unit 120P.In other words, each sub-electrode 120S and each connecting portion 120C can optionally be formed by triangular mesh unit 120P, only when defining each sub-electrode 120S and each connecting portion 120C relevant position, triangular mesh unit 120P need be made suitable broken string, in order to simplify related manufacturing process, but not as limit.What deserves to be explained is, the present embodiment by capturing the square block that comprises multiple triangular mesh unit 120P in each sub-electrode 120S or connecting portion 120C, can obtain above-mentioned spatial frequency features in order to carry out above-mentioned fourier transform.
Therefore, the sub-electrode 120S formed with triangular mesh unit 120P in Trackpad 100 or/and connecting portion 120C is when arranging in pairs or groups with the display pixel (not shown) with Presentation Function, because each triangular mesh unit 120P is that the different non-equilateral triangle splicing of shape is arranged, therefore the harmful effect that folded line (Moir é) effect occurs can be avoided, and then reach the overall object of looking effect of improvement.
Hereafter the different embodiments for Trackpad of the present invention are described, and are simplified illustration, below illustrate that the part mainly for each embodiment is different describes in detail, and no longer identical part is repeated.In addition, assembly identical in various embodiments of the present invention indicates with identical label, checks one against another between each embodiment in order to convenient.
Embodiment 2
Please refer to Fig. 3 and Fig. 7.Figure 7 shows that the schematic diagram of the Trackpad of the embodiment of the present invention 2.Fig. 3 can be considered the subregion enlarged diagram of the Trackpad of Fig. 7.As shown in Fig. 3 and Fig. 7, the present embodiment provides a Trackpad 200.The place different from above-described embodiment 1 is, the touch control electrode 120 of the present embodiment comprises multiple touching signals drive electrode 120T, multiple touching signals receiving electrode 120R and multiple connecting portion 120C.Each connecting portion 120C is electrically connected with corresponding touching signals drive electrode 120T or touching signals receiving electrode 120R.Each touching signals drive electrode 120T and each touching signals receiving electrode 120R is electrically separatedly each other arranged in the first substrate 111, in order to carry out a mutual capacitance type (mutualcapacitance) touch control detection, but not as limit.What deserves to be explained is, each touching signals drive electrode 120T, each touching signals receiving electrode 120R and each connecting portion 120C wherein at least one be by least part of triangular mesh unit 120P form (as in Fig. 3 with broken string around part the triangular mesh unit 120P that indicates), in order to improve the impact of folded line effect.In other words, each touching signals drive electrode 120T, each touching signals receiving electrode 120R and each connecting portion 120C can optionally be formed by triangular mesh unit 120P, only when defining each touching signals drive electrode 120T, each touching signals receiving electrode 120R and each connecting portion 120C relevant position, triangular mesh unit 120P need be made suitable broken string, in order to simplify related manufacturing process, but not as limit.What deserves to be explained is, the present embodiment by capturing the square block that comprises multiple triangular mesh unit 120P in each touching signals drive electrode 120T, each touching signals receiving electrode 120R and each connecting portion 120C at least one wherein, can obtain above-mentioned spatial frequency features in order to carry out above-mentioned fourier transform.
Embodiment 3
Please refer to Fig. 3 and Fig. 8.Figure 8 shows that the schematic diagram of the Trackpad of the embodiment of the present invention 3.Fig. 3 can be considered the subregion enlarged diagram of the Trackpad of Fig. 8.As shown in Fig. 3 and Fig. 8, the present embodiment provides a Trackpad 300.The place different from above-described embodiment 1 is, the touch control electrode 120 of the present embodiment comprises the interlaced with each other and mutual insulating of many first axial electrode 120X and many second axial electrode 120Y and arranges, in order to carry out self-capacitance or mutual capacitance type touch control detects.Each first axial electrode 120X extends along a first direction X, and each second axial electrode 120Y extends along a second direction Y, and the generallyperpendicular second direction Y of first direction X, but not as limit.First axial electrode 120X and the second axial electrode 120Y is electrically separated each other, and the staggered place of the first axial electrode 120X and the second axial electrode 120Y can arrange collets 140 or insulation course (not shown), but not as limit.What deserves to be explained is, each first axial electrode 120X or/and each second axial electrode 120Y is made up of at least part of triangular mesh unit 120P.In particular, each first axial electrode 120X comprises multiple first sub-electrode X1 and multiple first connecting portion X2.First connecting portion X2 is arranged between two adjacent the first sub-electrode X1, in order to connect the first sub-electrode X1.Each second axial electrode 120Y comprises multiple second sub-electrode Y1 and multiple second connecting portion Y2.Second connecting portion Y2 is arranged between two adjacent the second sub-electrode Y1, in order to connect the second sub-electrode Y1.Each first sub-electrode X1, each first connecting portion X2, each second sub-electrode Y1 and each second connecting portion Y2 at least one are wherein made up of at least part of triangular mesh unit 120P.In other words, each first sub-electrode X1, each first connecting portion X2, each second sub-electrode Y1 and each second connecting portion Y2 can optionally be formed by triangular mesh unit 120P, only when defining each first sub-electrode X1, each first connecting portion X2, each second sub-electrode Y1 and each second connecting portion Y2 relevant position, triangular mesh unit 120P need be made suitable broken string, in order to simplify related manufacturing process, but not as limit.What deserves to be explained is, the present embodiment by capturing the square block that comprises multiple triangular mesh unit 120P in each first sub-electrode X1, each first connecting portion X2, each second sub-electrode Y1 and each second connecting portion Y2 at least one wherein, can obtain above-mentioned spatial frequency features in order to carry out above-mentioned fourier transform.
Embodiment 4
Please refer to Fig. 9.Figure 9 shows that the schematic diagram of the Trackpad of the embodiment of the present invention 4.As shown in Figure 9, the present embodiment provides a Trackpad 400.The place different from above-described embodiment 3 is, Trackpad 400 also comprises one second substrate 112 and the first substrate 111 is oppositely arranged.First axial electrode 120X is arranged in the first substrate 111, and the second axial electrode 120Y is arranged in the second substrate 112.First substrate 111 and the second substrate 112 wherein at least one can comprise the substrate of substrate of glass, hard overlay, plastic cement substrate, flexible cover sheet, flexible plastic cement substrate, thin substrate of glass or a display, wherein, the substrate of aforementioned display device can be the colorized optical filtering substrate of a liquid crystal display or the encapsulation cover plate of an organic light emitting display, but not as limit.What deserves to be explained is, the first axial electrode 120X of the present embodiment and the second axial electrode 120Y is separately positioned on the surface that the first substrate 111 and the second substrate 112 face one another, and by a bonding coat 150 in conjunction with the first substrate 111 and the second substrate 112.Bonding coat 150 can comprise solid state optics glue (optical clear adhesive, OCA), pressure-sensing glue (pressure sensitiveadhesive, PSA) or other bonding materials be applicable to.In addition, Trackpad 400 also can comprise a patterning blackening layer 460 and be arranged in touch control electrode 120, in order to eliminate extraneous reflected light.In particular, the patterning blackening layer 460 of the present embodiment can comprise one first blackening layer 461 and one second blackening layer 462 is separately positioned on the first axial electrode 120X and the second axial electrode 120Y.The surface definition being provided with the second axial electrode 120Y when the second substrate 112 is an inside surface, and one of the second substrate 112 relative outside surface be a touch surface or viewing face time, first axial electrode 120X is preferably arranged between the first blackening layer 461 and the first substrate 111, and the second blackening layer 462 is preferably arranged between the second axial electrode 120Y and the second substrate 112, in order to reach the effect of required elimination reflected light, but not as limit.
Embodiment 5
Please refer to Figure 10.Figure 10 shows that the schematic diagram of the Trackpad of the embodiment of the present invention 5.As shown in Figure 10, the present embodiment provides a Trackpad 500.The place different from above-described embodiment 4 is, the second axial electrode 120Y of the present embodiment be arranged on the second substrate 112 back to the first substrate 111 one on the surface.Therefore, Trackpad 500 can arrange an outer cover substrate (not shown) more in addition, in order to protect the second axial electrode 120Y, but not as limit in the second substrate 112.In addition, the surface definition being provided with the first axial electrode 120X when the first substrate 111 is an inside surface, and one of the first substrate 111 relative outside surface be a touch surface or viewing face time, first blackening layer 461 is preferably arranged between the first axial electrode 120X and the first substrate 111, and the second blackening layer 462 is preferably arranged between the second axial electrode 120Y and the second substrate 112, in order to reach the effect of required elimination reflected light, but not as limit.
Embodiment 6
Please refer to Figure 11.Figure 11 shows that the schematic diagram of the Trackpad of the embodiment of the present invention 6.As shown in figure 11, the present embodiment provides a Trackpad 600.The place different from above-described embodiment 5 is, Trackpad 600 comprises an insulation course 160 and is arranged between the first axial electrode 120X and the second axial electrode 120Y, in order to electrical isolation first axial electrode 120X and the second axial electrode 120Y.Insulation course 160 to be arranged in the first substrate 111 and to cover each first axial electrode 120X, and the second axial electrode 120Y be arranged on insulation course 160 back to the first axial electrode 120X one on the surface.In other words, the first axial electrode 120X of the present embodiment and the second axial electrode 120Y is separately positioned on the different surfaces of insulation course 160.In addition, Trackpad 600 optionally can arrange an outer cover substrate (not shown) in addition, in order to protect the second axial electrode 120Y, but not as limit.
Embodiment 7
In order to further illustrate the advantage of triangular mesh unit of the present invention, please refer to Figure 12 and Figure 13.Figure 12 shows that the embodiment of the present invention 7 with the structural representation of the cabling of grid protocol.Figure 13 shows that with the structural representation of the cabling of the polygonal mesh of non-triangular grid cell formation.As shown in figure 12, grid 120M of the present invention forms the cabling 120W be connected with connection gasket 180 by suitable broken string.Relatively, as shown in figure 13, if carry out suitable broken string in order to form the cabling 920W be connected with connection gasket 180 with a polygonal mesh 920M, then cabling 920W can cause the negative effect to electrical impedance because required bending Amplitude Ratio is comparatively large.Therefore, the cabling 120W formed with the grid 120M be made up of non-equilateral triangle grid cell of the present invention generally can compare and levels off to a straight line, therefore can reach the effect reducing and walk line impedence.
In sum, Trackpad of the present invention utilizes irregular non-equilateral triangle grid cell to form touch control electrode, spread configuration is spliced mutually by this irregular triangular mesh unit, there is the harmful effect of folded line effect when the display pixel that can improve in Trackpad and display board is arranged in pairs or groups, and then reach the overall object of looking effect of improvement.In addition, the present invention also provides the formation method of the grid of Trackpad, is formed the Trackpad with irregular triangular mesh unit by the method.In addition, the grid formed with non-equilateral triangle grid cell of the present invention also can be used for forming the anti-lower cabling of overall electrical resistance, improves the relevant performance of Trackpad whereby.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (23)
1. a Trackpad, is characterized in that, comprising:
One touch control electrode, wherein said touch control electrode comprises multiple triangular mesh unit, described triangular mesh unit splices setting mutually, and each described triangular mesh unit has different shapes from least one adjacent described triangular mesh unit, wherein each described triangular mesh unit has three sides and is connected with each other, and the length of side described at least two of each described triangular mesh unit is different.
2. Trackpad according to claim 1, is characterized in that, length is different each other for the described side of each described triangular mesh unit.
3. Trackpad according to claim 1, is characterized in that, each described triangular mesh unit and at least one adjacent described triangular mesh units shared described side.
4. Trackpad according to claim 1, is characterized in that, the length of the described side of described triangular mesh unit has a length mean value
described length mean value
be greater than 15 microns and be less than 0.5 millimeter.
5. Trackpad according to claim 4, is characterized in that, the length of the described side of described triangular mesh unit has a length standard difference Δ L, described length standard difference Δ L and described length mean value
ratio
be greater than 0.05 and be less than 0.5.
6. Trackpad according to claim 1, is characterized in that, the pattern of described triangular mesh unit in a volume coordinate its spatial frequency 68.2% after fourier transform is distributed in the annular section in a graph of spatial frequency spectrum.
7. Trackpad according to claim 6, is characterized in that, described triangular mesh unit has a spatial frequency mean value k in described graph of spatial frequency spectrum, and described spatial frequency mean value k is greater than 4 π cycle/mm and is less than 2 π/15cycle/ μm.
8. Trackpad according to claim 7, it is characterized in that, described triangular mesh unit has a spatial frequency standard deviation Δ k in described graph of spatial frequency spectrum, and the ratio (Δ k/k) of described spatial frequency standard deviation Δ k and described spatial frequency mean value k is greater than 0.05 and is less than 0.5.
9. Trackpad according to claim 8, it is characterized in that, described annular section is by concentrically ringed one first circle and one second circle formed each other, the radius of described first circle is the difference equaling described spatial frequency mean value k and described spatial frequency standard deviation Δ k, and the radius of described second circle equal described spatial frequency mean value k and described spatial frequency standard deviation Δ k and.
10. Trackpad according to claim 1, is characterized in that, the aperture area of each triangular mesh unit is different from the aperture area of at least one adjacent described triangular mesh unit.
11. Trackpads according to claim 10, is characterized in that, the aperture area difference scope of at least two adjacent described triangular mesh unit is greater than 5% of the aperture area of wherein smaller described triangular mesh unit.
12. Trackpads according to claim 1, is characterized in that, described triangular mesh unit form from one another is different.
13. Trackpads according to claim 1, is characterized in that, also comprise one first substrate, and wherein said touch control electrode is arranged in described first substrate.
14. Trackpads according to claim 1, is characterized in that, described touch control electrode comprises many first axial electrode and the interlaced with each other and mutual insulating of many second axial electrode is arranged.
15. Trackpads according to claim 14, is characterized in that, each described first axial electrode and each described second axial electrode wherein at least one are made up of at least part of described triangular mesh unit.
16. Trackpads according to claim 14, it is characterized in that, each described first axial electrode comprises multiple first sub-electrode and multiple first connecting portion, be arranged between two adjacent described first sub-electrodes, in order to connect described first sub-electrode, each described second axial electrode comprises multiple second sub-electrode and multiple second connecting portion, is arranged between two adjacent described second sub-electrodes, in order to connect described second sub-electrode.
17. Trackpads according to claim 16, it is characterized in that, each described first sub-electrode, each described first connecting portion, each described second sub-electrode and each described second connecting portion at least one are wherein made up of at least part of described triangular mesh unit.
18. Trackpads according to claim 14, is characterized in that, also comprise one first substrate and one second substrate is oppositely arranged, and wherein said first axial electrode is arranged in described first substrate, and described second axial electrode is arranged in described second substrate.
19. Trackpads according to claim 18, is characterized in that, described first substrate comprises the substrate of substrate of glass, overlay, plastic cement substrate, flexible plastic cement substrate, thin substrate of glass or a display.
20. Trackpads according to claim 19, is characterized in that, described overlay is at least provided with a decorative layer in side.
21. Trackpads according to claim 19, is characterized in that, the substrate of described display comprises the encapsulation cover plate of colorized optical filtering substrate, active array substrate or organic light emitting display.
22. Trackpads according to claim 1, it is characterized in that, each described triangular mesh unit comprises aluminium, copper, silver, chromium, titanium, the wherein at least one of molybdenum, the composite bed of above-mentioned material, the alloy of above-mentioned material, conducting particles, carbon nano-tube or development.
23. Trackpads according to claim 1, is characterized in that, also comprise a patterning blackening layer and are arranged in described touch control electrode.
Applications Claiming Priority (2)
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TW102142111A TW201520862A (en) | 2013-11-19 | 2013-11-19 | Touch panel |
TW102142111 | 2013-11-19 |
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CN201410001967.1A Pending CN104656966A (en) | 2013-11-19 | 2014-01-03 | Touch control panel |
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Cited By (6)
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CN106951121A (en) * | 2017-03-20 | 2017-07-14 | 苏州诺菲纳米科技有限公司 | Contactor control device |
CN108089698A (en) * | 2016-11-21 | 2018-05-29 | 天马日本株式会社 | Tactile prompt device and electronic equipment |
CN108170307A (en) * | 2017-11-30 | 2018-06-15 | 云谷(固安)科技有限公司 | A kind of touch panel and touch control display apparatus |
CN108322729A (en) * | 2018-02-27 | 2018-07-24 | 广东欧珀移动通信有限公司 | Control method, control device and the electronic device of laser projection module |
WO2019052125A1 (en) * | 2017-09-15 | 2019-03-21 | Boe Technology Group Co., Ltd. | Touch control panel, touch control display apparatus, and fabricating method thereof |
WO2023206440A1 (en) * | 2022-04-29 | 2023-11-02 | 京东方科技集团股份有限公司 | Touch structure, display panel and touch display apparatus |
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TW201520862A (en) * | 2013-11-19 | 2015-06-01 | Wintek Corp | Touch panel |
CN105334988B (en) * | 2014-07-01 | 2019-03-12 | 长鸿光电(厦门)有限公司 | Touch panel |
CN105425992A (en) * | 2014-09-17 | 2016-03-23 | 宸鸿科技(厦门)有限公司 | Touch panel and touch display module |
JP6307468B2 (en) | 2015-03-31 | 2018-04-04 | 富士フイルム株式会社 | Conductive film, display device including the same, and method for evaluating conductive film |
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TW201248801A (en) * | 2011-03-31 | 2012-12-01 | Nissha Printing | Electrostatic capacitive touch screen |
CN203658975U (en) * | 2013-11-19 | 2014-06-18 | 胜华科技股份有限公司 | Touch control panel |
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CN102598891A (en) * | 2009-07-16 | 2012-07-18 | Lg化学株式会社 | Electrical conductor and a production method therefor |
TW201248801A (en) * | 2011-03-31 | 2012-12-01 | Nissha Printing | Electrostatic capacitive touch screen |
CN203658975U (en) * | 2013-11-19 | 2014-06-18 | 胜华科技股份有限公司 | Touch control panel |
Cited By (8)
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CN108089698A (en) * | 2016-11-21 | 2018-05-29 | 天马日本株式会社 | Tactile prompt device and electronic equipment |
CN108089698B (en) * | 2016-11-21 | 2023-01-17 | 天马微电子股份有限公司 | Tactile sense prompting device and electronic equipment |
CN106951121A (en) * | 2017-03-20 | 2017-07-14 | 苏州诺菲纳米科技有限公司 | Contactor control device |
WO2019052125A1 (en) * | 2017-09-15 | 2019-03-21 | Boe Technology Group Co., Ltd. | Touch control panel, touch control display apparatus, and fabricating method thereof |
US10955981B2 (en) | 2017-09-15 | 2021-03-23 | Chengdu Boe Optoelectronics Technology Co., Ltd. | Touch control panel having a 3D body and touch sensing vertices portions, touch control display apparatus, and fabricating method thereof |
CN108170307A (en) * | 2017-11-30 | 2018-06-15 | 云谷(固安)科技有限公司 | A kind of touch panel and touch control display apparatus |
CN108322729A (en) * | 2018-02-27 | 2018-07-24 | 广东欧珀移动通信有限公司 | Control method, control device and the electronic device of laser projection module |
WO2023206440A1 (en) * | 2022-04-29 | 2023-11-02 | 京东方科技集团股份有限公司 | Touch structure, display panel and touch display apparatus |
Also Published As
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CN203658975U (en) | 2014-06-18 |
TW201520862A (en) | 2015-06-01 |
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