CN106155394A - Contact panel - Google Patents
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- CN106155394A CN106155394A CN201510184101.3A CN201510184101A CN106155394A CN 106155394 A CN106155394 A CN 106155394A CN 201510184101 A CN201510184101 A CN 201510184101A CN 106155394 A CN106155394 A CN 106155394A
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Abstract
The open a kind of contact panel of the present invention, it comprises a plurality of axial sensing electrode runs parallel and is arranged in Touch Zone, multiple joint sheets are arranged at a side of Touch Zone, and a plurality of wire is electrically connected these axially sensing electrodes are to these joint sheets, these wires have the ratio that identical length is more long-pending than upper section.
Description
Technical field
The present invention relates to touch technology, particularly to the traverse design of the sensing electrode of contact panel.
Background technology
In recent years, contact panel has been widely used in various electronic product, such as mobile phone, pocket computer and palm PC etc., and contact panel is generally and display floater is combined into the input/output interface of electronic product.
Contact panel generally comprises multiple sensing electrode arrangement and becomes touch-control array, to provide touch-control sensing function, and contact panel also comprises a plurality of wire and these sensing electrodes is electrically connected to joint sheet, joint sheet engages with bendable printed circuit board (PCB), thus the electrical signals obtained by sensing electrode is sent to the integrated circuit on bendable printed circuit board (PCB), to judge touching signals.
But, these wires that the sensing electrode of various location in touch-control array is electrically connected to joint sheet are generally of different length, the wire that these length are different can make the attenuation degree that electrical signals transmits on each wire different, and then causes the long-range touch-control of contact panel insensitive.
Summary of the invention
Because the problems referred to above that prior art exists, the ratio that the present invention is amassed than upper section by the length adjusting each wire of the sensing electrode of contact panel, the wire longer for being connected to the length of remote sense electrode, reduce its signal attenuation in electrical signals transmission, improve the sensitivity of the remote zone touch-control of contact panel, allow the most consistent with the attenuation degree that the electrical signals of near sense electrode is transmitted on the wire that length is different, to guarantee the concordance that the signal of contact panel transmits, reduce report point error probability and then promote the sensitivity that contact panel is overall.
According to some embodiments of the present invention, it is provided that a kind of contact panel, including: a plurality of axial sensing electrode, it is parallel to Touch Zone；Multiple joint sheets, are arranged at a side of Touch Zone；And a plurality of wire, axially sensing electrodes are to these joint sheets to be electrically connected these, and wherein these wires have the ratio that identical length is more long-pending than upper section.
In certain embodiments, the height of each wire cross-section area is identical, and these wires have the ratio of the identical length width more long-pending than upper section.
In certain embodiments, the width of each wire cross-section area is identical, and these wires have the ratio of the identical length height more long-pending than upper section.
According to some embodiments of the present invention, also provide for a kind of contact panel, including: a plurality of first axially senses electrode, is parallel to Touch Zone；A plurality of second axially senses electrode, first axially interlocks with these sensing electrode insulations, and is parallel to Touch Zone；Multiple joint sheets, are arranged at a side of Touch Zone；A plurality of first wire, being electrically connected these, first axially sensing electrodes are to these joint sheets, and wherein these first wires have the first ratio that identical length is more long-pending than upper section；And a plurality of second wire, being electrically connected these, second axially sensing electrodes are to these joint sheets, and wherein these second wires have the second ratio that identical length is more long-pending than upper section.
Accompanying drawing explanation
Fig. 1 is some embodiments of the present invention, the floor map of contact panel；
Fig. 2 A is some embodiments of the present invention, the floor map of the wire of an axial electrode of the contact panel of Fig. 1；
Fig. 2 B is some embodiments of the present invention, the floor map of the wire of another axial electrode of the contact panel of Fig. 1；
Fig. 3 A is some embodiments of the present invention, the generalized section of the wire of an axial electrode of the contact panel of Fig. 1；
Fig. 3 B is some embodiments of the present invention, the generalized section of the wire of another axial electrode of the contact panel of Fig. 1；
Fig. 4 A is some embodiments of the present invention, the floor map of a wire of an axial electrode of the contact panel of Fig. 1；
Fig. 4 B to Fig. 4 E is some embodiments of the present invention, the sectional area schematic diagram at each hatching of the wire of Fig. 4 A；
Fig. 5 A is some embodiments of the present invention, the floor map of a wire of another axial electrode of the contact panel of Fig. 1；
Fig. 5 B to Fig. 5 D is some embodiments of the present invention, the sectional area schematic diagram at each hatching of the wire of Fig. 5 A；
Fig. 6 is some embodiments of the present invention, the floor map of contact panel；
Fig. 7 is other embodiments of the present invention, the floor map of contact panel.
Symbol description
100～contact panel；
100A～Touch Zone；
100B～wiring region；
101～substrate；
110～first axially sense electrode；
110U～the first electrode unit；
112-1,112-2,112-3,112-4～the first wire；
120～second axially sense electrode；
120U～the second electrode unit；
122-1,122-2,122-3,122-4,122-5～the second wire；
130～joint sheet；
140,150～axially sense electrode；
142-1,142-2,142-3,142-4,152-1,152-2,152-3,152-4～wire；
W1, W2, W3, W4, W5, W ', W-1, W-2, W-3, W-4～the width of the second wire；
H1, H2, H3, H4, H5, H-1, H-2, H-3, H-4～the height of the second wire；
S1, S2, S3, S4～the second wire cross-section area；
W6, W7, W8, W9, W ", W-5, W-6, W-7～the width of the first wire；
H6, H7, H8, H9, H-5, H-6, H-7～the height of the first wire
S5, S6, S7～the first wire cross-section area
Detailed description of the invention
Referring to Fig. 1, its display is according to some embodiments of the present invention, the floor map of contact panel 100.In certain embodiments, contact panel 100 can be capacitance type touch-control panel, it comprises a plurality of first and axially senses electrode 110, first axially senses electrode 110 for example, extends along Y direction, these first axial sensing electrodes 110 are arranged parallel to each other, it is arranged on substrate 101 and is positioned at Touch Zone 100A, each first axial sensing electrode 110 comprises multiple first electrode unit 110U, these first electrode units 110U and connecting portion can be utilized to be threaded to form the first axial sensing electrode 110 mutually.As shown in Figure 1, these first axial sensing electrodes 110 are electrically connected to an other joint sheet 130 via first wire 112-1,112-2,112-3,112-4 respectively, these joint sheets 130 are arranged on substrate 101 and are positioned at a side of Touch Zone 110A, such as, be positioned at the lower section side of Touch Zone 110A.In certain embodiments, these first wires 112-1,112-2,112-3,112-4 are respectively provided with different length, and wherein the length of the first wire 112-1 is the shortest, and the length of the first wire 112-4 is the longest.
nullIn addition，Contact panel 100 also comprises a plurality of second and axially senses electrode 120，Second axially senses electrode 120 for example, extends along X-direction，These second axial sensing electrodes 120 are arranged parallel to each other，And the second axial sensing electrode 120 and the first axial sensing electrode 110 are insulated staggered，It is arranged on substrate 101 and is positioned at Touch Zone 100A，Each second axially senses electrode 120 and comprises multiple second electrode unit 120U，These second electrode units 120U can utilize connecting portion to be threaded to form second mutually and axially sense electrode 120，Although Fig. 1 does not draws，The connecting portion between connecting portion and the first electrode unit 110U between second electrode unit 120U the most electrically can completely cut off via an insulation block，With avoid second axially at sensing electrode 120 and the first friendship axially sensing electrode 110 mistake be short-circuited.As shown in Figure 1, these second axial sensing electrodes 120 are electrically connected to an other joint sheet 130 via second wire 122-1,122-2,122-3,122-4,122-5 respectively, in certain embodiments, these second wires 122-1,122-2,122-3,122-4,122-5 are respectively provided with different length, wherein the length of the second wire 122-1 is the longest, and the length of the first wire 122-5 is the shortest.
First wire 112-1 to 112-4 and the second wire 122-1 to 122-5 by with along with processing technology formed, such as can be formed via metal material or the deposition of transparent conductive material, photoetching and etching process, or can be formed via printing processing technology, in certain embodiments, the sectional area of the first wire 112-1 to 112-4 and the second wire 122-1 to 122-5 has identical height, but the width of each wire cross-section area is different；In further embodiments, the sectional area of the first wire 112-1 to 112-4 and the second wire 122-1 to 122-5 then has identical width, but the height of each wire cross-section area is different.
In existing technology, each wire of contact panel uses the mode that sectional area is wide and contour to design, but, it is connected to the sensing electrode near joint sheet, from the different conductor being connected to the sensing electrode away from joint sheet, there is different length, computing formula R=ρ L/S according to resistance, wherein electricalresistivityρ is fixing, and when each wire cross-section area width with time the most identical, sectional area S is also equal, and wire its resistance R that therefore length L is the longest is the biggest.
Signal transmission between sensing electrode and the integrated circuit of contact panel of contact panel is via wire transmission by the way of electric current, according to the formula W=V of power2/ R, voltage V owing to being applied on each sensing electrode is fixing, when the resistance R difference of each wire, the power W of each wire is also the most different, therefore when the height of each wire cross-section area is identical with width, wire its resistance R that length L is the longest is the biggest, obtained power W is the least, that is power consumption is the biggest, wire compared to the sensing electrode being connected to proximal end region, electrical signals transmission attenuation degree on the wire of sensing electrode being connected to remote zone is bigger, the touch-control causing the remote zone of existing contact panel is insensitive, wherein remote zone refers to the axially sensing electrode region farther out compared to the distance of joint sheet of contact panel, relatively, proximal end region refers to the axially sensing electrode nearer region compared to the distance of joint sheet of contact panel.
According to embodiments of the invention, the problems referred to above can be solved.Referring to Fig. 2 A, it is according to some embodiments of the present invention, the floor map of the second of the contact panel 100 of Fig. 1 axially second wire 122-1,122-2,122-3,122-4,122-5 of sensing electrode 120.As shown in Figure 2 A, these second wires 122-1,122-2,122-3,122-4,122-5 are respectively provided with different length, the length of such as second wire 122-1,122-2,122-3,122-4,122-5 can be respectively L1, L2, L3, L4, L5, wherein L1 > L2 > L3 > L4 > L5, the length of the second wire 122-1 to 122-5 by terminals of the second axial sensing electrode 120 to one end of joint sheet 130.According to some embodiments of the present invention, the sectional area of second wire 122-1,122-2,122-3,122-4,122-5 is respectively provided with different width and identical height H, the width of the sectional area of such as second wire 122-1,122-2,122-3,122-4,122-5 can be respectively W1, W2, W3, W4, W5, vertical dimension between width is wire two long sides of wherein W1 > W2 > W3 > W4 > W5, the second wire 122-1 to 122-5.
According to embodiments of the invention, each wire of these second wires 122-1,122-2,122-3,122-4,122-5 has the ratio that identical length is more long-pending than upper section.Computing formula R=ρ L/S according to resistance, wherein electricalresistivityρ is fixing, sectional area S=width W × highly H, that is R=ρ L/W × H.In certain embodiments, the height H of the sectional area S of each second wire 122-1,122-2,122-3,122-4,122-5 is identical, when the ratio that the length of each second wire 122-1,122-2,122-3,122-4,122-5 is more long-pending than upper section is equal, the ratio of the width that the length of each second wire 122-1,122-2,122-3,122-4,122-5 is more long-pending than upper section is also equal, that is L1/W1=L2/W2=L3/W3=L4/W4=L5/W5 makes the resistance R of each the second wire 122-1 to 122-5 identical in this embodiment.
Therefore, according to embodiments of the invention, touch-control electrical signals signal attenuation degree of transmission on the second wire 122-1 to 122-5 that each length is different is consistent, the touch-control sensitivity making the remote zone of contact panel is suitable with the touch-control sensitivity of proximal end region, and wherein remote zone and proximal end region refer to the axially sensing electrode distance compared to the distance of joint sheet of contact panel.Pass through some embodiments of the present invention, it is possible to reduce the signal attenuation degree of the wire of the remote zone of contact panel, improve the touch-control sensitivity of remote zone, it is ensured that the integrity of the signal transmission of contact panel.
Refering to Fig. 2 B, it is according to some embodiments of the present invention, the floor map of the first of the contact panel 100 of Fig. 1 axially first wire 112-1,112-2,112-3,112-4 of sensing electrode 110.As shown in Figure 2 B, first wire 112-1,112-2,112-3,112-4 is respectively provided with different length, the length of such as first wire 112-1,112-2,112-3,112-4 can be respectively L6, L7, L8, L9, wherein L6 < L7 < L8 < L9, the length of the first wire 112-1 to 112-4 by terminals of the first axial sensing electrode 110 to one end of joint sheet 130.According to some embodiments of the present invention, the sectional area of first wire 112-1,112-2,112-3,112-4 is respectively provided with different width and identical height H, the width of such as first wire 112-1,112-2,112-3,112-4 can be respectively W6, W7, W8, W9, wherein W6 < W7 < W8 < W9, the wherein vertical dimension between width is wire two long sides of the sectional area of the first wire 112-1 to 112-4.
nullAccording to embodiments of the invention，These first wires 112-1、112-2、112-3、The each wire of 112-4 has the ratio that identical length is more long-pending than upper section，In certain embodiments，Due to these first wires 112-1、112-2、112-3、The height H of the sectional area of 112-4 is identical，The most each the first wire 112-1、112-2、112-3、The ratio of the width that the length of 112-4 is more long-pending than upper section is also equal，That is L6/W6=L7/W7=L8/W8=L9/W9，It is consistent for making electrical signals signal attenuation degree of transmission on the first wire 112-1 to 112-4 that each length is different，Therefore according to embodiments of the invention，The signal attenuation that electrical signals is transmitted on the first wire 112-1 that length is longer can be reduced.
In certain embodiments, the ratio of the width that the length of the first wire is more long-pending than upper section may differ from the ratio of the length of the second wire width more long-pending than upper section, for example, L1/W1=L2/W2=L3/W3=L4/W4=L5/W5 ≠ L6/W6=L7/W7=L8/W8=L9/W9.In this case, each signal attenuation when the first wire or the second conductor signal transmit is the most roughly the same.
In certain embodiments, the width of the first wire is proportional to the length of the first wire, and the width of the second wire is proportional to the length of the second wire.
In certain embodiments, the ratio of the width that the length of each first wire is more long-pending than upper section can differ, but the difference of the ratio of the width that the length of each first wire is more long-pending than upper section and the first default value is less than the first marginal value, for example, i.e. L6/W6 ≠ L7/W7 ≠ L8/W8 ≠ L9/W9, but | L6/W6 PV1 | RT1, | L7/W7-PV1 | RT1, | L8/W8-PV1 | RT1, | L9/W9-PV1 | RT1, wherein RT1 is the first marginal value, and PV1 is the first default value.Analogously, the ratio of the width that the length of each second wire is more long-pending than upper section can differ, but the difference of the ratio of the width that the length of these the second wires is more long-pending than upper section and the second default value is less than the second marginal value, for example L1/W1 ≠ L2/W2 ≠ L3/W3 ≠ L4/W4 ≠ L5/W5, but | L1/W1-PV2 | RT2, | L2/W2-PV2 | RT2, | L3/W3-PV2 | RT2, | L5/W5-PV2 | RT2, wherein RT2 is the second marginal value, and PV2 is the second default value.In certain embodiments, the second marginal value can be equal to the first marginal value, and the first default value can be equal to the second default value.When first and second marginal values are back-end processor process signal, the admissible error amount of back-end processor.
nullIn some embodiments of the invention，In the first wire 112-1 to 112-4 and the second wire 122-1 to 122-5，Length L6 of wire for example, first wire 112-1 that length is the shortest，And length L1 of the longest wire for example, second wire 122-1 of length，Wherein the width W6 of the sectional area of the first wire 112-1 can be set as forming the first wire 112-1 to 112-4 and the processing technology capacity limit of the second wire 122-1 to 122-5，Using deposition、Photoetching and etching process are formed in the embodiment of the first and second wires，Minimum widith W6 can be lithographic fabrication process capacity limit，In certain embodiments，Lithographic fabrication process capacity limit is e.g. between about 10 μm to about 15 μm，Therefore minimum widith W6 can be in the range of about 10 μm to about 15 μm.In certain embodiments, minimum widith be transmit in the first or second wire according to signal after depending on the scope that still can be differentiated by back-end processor.
Additionally, the width W1 of the sectional area of the second wire 122-1 that length is the longest can be set as less than the width affecting the first touch-control performance axially sensing electrode 110 and the second axial sensing electrode 120, in certain embodiments, affect the first width axially sensing electrode 110 and the second touch-control performance axially sensing electrode 120 and be for example, greater than about 400 μm, therefore Breadth Maximum W1 can be in the range of about 250 μm to about 300 μm, and the first and second wires can be avoided in this range to sense, and the signal in the external world affects touching signals.
nullAs shown in Figure 1，In some embodiments of the invention，First wire 112-1 to 112-4 and the second wire 122-1 to 122-5 is disposed around in the wiring region 100B of Touch Zone 100A periphery，In the embodiment in figure 1，Each first axially sensing electrode 110 and each second axial sensing electrode 120 the most only have terminals and are connected with the first wire 112-1 to 112-4 and the second wire 122-1 to 122-5 respectively，And the second terminals axially sensing electrode 120 of even number bar and odd number bar are separately positioned on the both sides of Touch Zone 100A，Therefore the second wire 122-1 to 122-5 is configured at two relative sides of Touch Zone 100A，First wire 112-1 to 112-4 is then configured at another side of Touch Zone 100A.
In some other embodiments of the present invention, each first axially sensing electrode 110 and each second axial sensing electrode 120 have two terminals so that the first wire 112-1 to 112-4 and the second wire 122-1 to 122-5 is configured at four sides of Touch Zone 100A.In the yet other embodiment of the present invention, each first axially sensing electrode 110 and each second axial sensing electrode 120 the most only have terminals, and the terminals of whole second axially sensing electrode 120 are all arranged at the side of Touch Zone 100A, making the second wire 122-1 to 122-5 be configured at a side of Touch Zone 100A, the first wire 112-1 to 112-4 is then configured at another side of Touch Zone 100A.
No matter the configuration mode of the first wire 112-1 to 112-4 and the second wire 122-1 to 122-5 why, for whole first axially sensing electrode 110, its sectional area of the first wire that length is the longest is the biggest, and for whole second axially sensing electrode 120, its sectional area of the second wire that length is the longest is the biggest, to improve the sensitivity of the remote zone touch-control of contact panel.In some embodiments that the height of each wire cross-section area is identical, the width of its sectional area of wire that length is the longest is the biggest；In other embodiments that the width of each wire cross-section area is identical, the height of its sectional area of wire that length is the longest is the biggest.In certain embodiments, the first axial sensing electrode 110 can be to send axial electrode, and the second axial sensing electrode 120 is then to receive axial electrode.
Referring to Fig. 3 A, it is according to some embodiments of the present invention, the generalized section of the second of the contact panel 100 of Fig. 1 axially second wire 122-1,122-2,122-3,122-4,122-5 of sensing electrode 120.In certain embodiments, the width W ' of the sectional area S of each the second wire 122-1 to 122-5 is identical, in this embodiment, when the ratio that the length of each the second wire 122-1 to 122-5 is more long-pending than upper section is equal, the ratio of the height that the length of each the second wire 122-1 to 122-5 is more long-pending than upper section also can be equal, that is L1/H1=L2/H2=L3/H3=L4/H4=L5/H5, make the resistance R of each the second wire 122-1 to 122-5 identical, and then to make electrical signals signal attenuation degree of transmission on the second wire 122-1 to 122-5 that each length is different be consistent.
Referring to Fig. 3 B, it is according to some embodiments of the present invention, the generalized section of the first of the contact panel 100 of Fig. 1 axially first wire 112-1,112-2,112-3,112-4 of sensing electrode 110.In certain embodiments, the width W of the sectional area S of each the first wire 112-1 to 112-4 " it is identical, in this embodiment, when the ratio that the length of each the first wire 112-1 to 112-4 is more long-pending than upper section is equal, the ratio of the height that the length of each the first wire 112-1 to 112-4 is more long-pending than upper section also can be equal, that is L6/H6=L7/H7=L8/H8=L9/H9, make the resistance R of each the first wire 112-1 to 112-4 identical, and then to make electrical signals signal attenuation degree of transmission on the first wire 112-1 to 112-4 that each length is different be consistent.
Additionally, in certain embodiments, the ratio of the height that the length of the first wire is more long-pending than upper section may differ from the ratio of the length of the second wire height more long-pending than upper section.In certain embodiments, the height of the first wire cross-section area is proportional to the length of the first wire, and the height of the second wire cross-section area is proportional to the length of the second wire.It addition, the ratio of the length of each first wire height more long-pending than upper section can differ, but the length of each bar of the first wire ratio of height more long-pending than upper section is less than the 3rd marginal value with the difference of the 3rd default value.The ratio of the height that the length of each second wire is more long-pending than upper section can differ, but the length of each bar of the first wire ratio of height more long-pending than upper section is less than the 4th marginal value with the difference of the 4th default value.In certain embodiments, the 3rd marginal value can be equal to the 4th marginal value, and the 3rd default value can be equal to the 4th default value.When third and fourth marginal value is back-end processor process signal, the admissible error amount of back-end processor.
Fig. 4 A is according to some embodiments of the present invention, the floor map of a second wire 122-3 of the second axial electrode 120 of the contact panel 100 of Fig. 1.Fig. 4 B to Fig. 4 E is according to some embodiments of the present invention, the sectional area schematic diagram at each hatching of the second wire 122-3 of Fig. 4 A.In certain embodiments, second wire 122-1,122-2,122-3,122-4, the 122-5 of same the sectional area in various wirings position is identical, but the width of sectional area and height can change along with various wirings position.
As shown in Figure 4 A and 4 B shown in FIG., when a part of the second wire 122-3 is positioned at bigger position, wiring area, the sectional area S1 of the second wire 122-3 being positioned at this wire location can have bigger width W-1 and less height H-1.As shown in Fig. 4 A and Fig. 4 C, Fig. 4 D, Fig. 4 E, when a part of the second wire 122-3 is positioned at less position, wiring area, it is positioned at sectional area S2, S3, S4 of these wiring area and can have lesser width W-2, W-3, W-4 and bigger height H-2, H-3, H-4, but sectional area S1=S2=S3=S4.Therefore, in certain embodiments, same the second wire has identical sectional area in various wirings position so that it is the strength retrogression's degree for signal transmission is consistent, and the width that same the second wire is in various wirings position can also coordinate the size of wiring area to adjust.
Fig. 5 A is according to some embodiments of the present invention, the floor map of a first wire 112-3 of the first axial electrode 110 of the contact panel 100 of Fig. 1.In certain embodiments, first wire 112-1,112-2,112-3, the 112-4 of same the sectional area in various wirings position is identical, but the width of sectional area and height can change along with various wirings position.
As fig. 5 a and fig. 5b, when a part of the first wire 112-3 is positioned at bigger position, wiring area, the sectional area S5 of the first wire 112-3 of this wire location can have bigger width W-5 and less height H-5.As shown in Fig. 5 A and Fig. 5 C, Fig. 5 D, when a part of the first wire 112-3 is positioned at less position, wiring area, sectional area S6, the S7 of the first wire 112-3 being positioned at these wire location can have lesser width W-6, W-7 and bigger height H-6, H-7, but sectional area S5=S6=S7.Therefore, in certain embodiments, same the first wire has identical sectional area in various wirings position so that it is the strength retrogression's degree for signal transmission is consistent, and the width that same the first wire is in various wirings position can also coordinate the size of wiring area to adjust.
The shape of the first depicted in the embodiment in figure 1 the first electrode unit 110U and second axially the second electrode unit 120U of sensing electrode 120 axially sensing electrode 110 is to design with rhombus, but, the shape of the sensing electrode of the contact panel of the present invention is not so limited, in some other embodiments, the first and second electrode units axially sensing electrode can use other shapes.Additionally, in yet other embodiment, the axially sensing electrode of the contact panel of the present invention can also be the sensing electrode only with single axial.
Fig. 6 is some other embodiments according to the present invention, the floor map of contact panel 100, in the embodiment in fig 6, the shape of the first the first electrode unit 110U and second axially the second electrode unit 120U of sensing electrode 120 axially sensing electrode 110 is different from the embodiment of Fig. 1, and the second of the embodiment of Fig. 6 axially sensing electrode 120 has two terminals, and each second two terminals axially sensing electrode 120 are connected to two second wires 122-1,122-2,122-3 or 122-4.In certain embodiments, the length of second wire 122-1,122-2,122-3,122-4 is respectively L10, L11, L12, L13, the sectional area of second wire 122-1,122-2,122-3,122-4 is respectively S10, S11, S12, S13, wherein L10 > L11 > L12 > L13, and S10 > S11 > S12 > S13.In certain embodiments, the length of these second wires 122-1,122-2,122-3,122-4 is more identical than the ratio that upper section amasss, that is L10/S10=L11/S11=L12/S12=L13/S13.Therefore, electrical signals signal attenuation degree of transmission on the second wire 122-1 to 122-4 that each length is different is consistent.
It addition, each first axial sensing electrode 110 has terminals and is connected to first wire 112-1 or 112-2.In certain embodiments, the length of first wire 112-1,112-2 is respectively L14, L15, and the sectional area of first wire 112-1,112-2 is respectively S14, S15, wherein L14 < L15, and S14 < S15.Additionally, in certain embodiments, the length of these first wires 112-1,112-2 is more identical than the ratio that upper section amasss, that is L14/S14=L15/S15.Therefore, electrical signals signal attenuation degree of transmission on first wire 112-1,112-that each length is different is consistent.
In certain embodiments, the first of Fig. 5 A to Fig. 5 D axially sensing electrode 110 can be to send axial electrode, and second axially senses electrode 120 then for receiving axial electrode.
Fig. 7 is other embodiments according to the present invention, the floor map of contact panel 100.nullIn the embodiment of Fig. 7，The axially sensing electrode 140 and 150 of contact panel 100 is along same axially extending，The most axially sensing electrode 140 and 150 is along X-direction extension，The most axially sensing electrode 140 width along X-axis direction decrescence，The width axially sensing electrode 150 is then cumulative along the direction of X-axis，Each axial sensing electrode 140 has terminals，Respectively via wire 142-1、142-2、142-3、142-4 is connected to an other joint sheet 130，Wire 142-1、142-2、142-3、The length of 142-4 is respectively L16、L17、L18、L19，Sectional area is respectively S16、S17、S18、S19，Wherein L16 > L17 > L18 > L19，And S16 > S17 > S18 > S19.Additionally, in certain embodiments, the length of these wires 142-1,142-2,142-3,142-4 is more identical than the ratio that upper section amasss, that is L16/S16=L17/S17=L18/S18=L19/S19.
Additionally, each axial sensing electrode 150 has terminals, being connected to an other joint sheet 130 via wire 152-1,152-2,152-3,152-4 respectively, in certain embodiments, the length of these wires 152-1,152-2,152-3,152-4 is more identical than the ratio that upper section amasss.Therefore, according to some embodiments of the present invention, electrical signals signal attenuation degree of transmission on wire 142-1 to 142-4 and the wire 152-1 to 152-4 that each length is different is consistent.
nullIn some embodiments of the invention，Above-mentioned first axially senses electrode 110、Second axially senses electrode 120、Axially sensing electrode 140 and 150 can be by transparent conductive material such as indium tin oxide (indium tin oxide,ITO)、Indium-zinc oxide (indium zinc oxide,IZO)、Fluorine doped tin oxide (fluorine doped tin oxide,FTO)、Al-Doped ZnO (aluminum doped zinc oxide,AZO)、Gallium-doped zinc oxide (gallium doped zinc oxide,GZO) made，Or by metal nano conductor、Nesa coating or metal grill (metal mesh) are made.For example, metal nano conductor can for example, nano-silver thread (silver nanowire, SNW) or CNT (carbon nanotubes, CNT), and can be formed via deposition, photoetching and etching process.
Additionally, above-mentioned first wire 112-1 to 112-4, the second wire 122-1 to 122-5, wire 142-1 to 142-4, wire 152-1 to 152-4 and joint sheet 130 can be by metal or alloy materials, such as silver, copper, molybdenum, aluminum or a combination thereof are made, and via deposition, photoetching and etching process, or these wires and joint sheet can be concurrently formed via printing processing technology.In certain embodiments, joint sheet can be by made by above-mentioned transparent conductive material, in certain embodiments, it is identical that first wire 112-1 to 112-4 axially senses electrode 110 material with first, and/or second wire 122-1 to 122-5 identical with the material of the second axial sensing electrode 120, axially sensing electrode 140 is identical with wire 142-1 to 142-4,152-1 to 152-4 material with 150.
Embodiments of the invention can apply to use wire to connect sensing electrode and are formed at the contact panel on a substrate outer surface of display floater, first, second contact panel or first, second contact panel etc. that axially sensing electrode is formed by two-layer transparency conducting layer respectively that axially sensing electrode is formed by same layer transparency conducting layer to the contact panel that any kind of contact panel of joint sheet, such as sensing electrode are formed at the contact panel in glass substrate or plastic film substrate, sensing electrode is formed on cover sheet, sensing electrode.
According to some embodiments of the present invention, the ratio of length and sectional area via the wire of the sensing electrode adjusting contact panel, its sectional area of wire making length the longest is the biggest, thus can reduce in contact panel the electrical signals attenuation degree via wire transmission of the sensing electrode being located away from joint sheet, and also may insure that the concordance that the intensity (such as voltage or electric current) of the touching signals of same axial sensing electrode in contact panel decays, and then reduce report point error rate, improve the touch-control sensitivity of contact panel.
Although disclosing the present invention in conjunction with preferred embodiment above, but it being not limited to the present invention, those having an ordinary knowledge in this technical field are when it can be appreciated that without departing from the spirit and scope of the present invention, can do a little change and retouching.Therefore, protection scope of the present invention should be with being as the criterion that the claim enclosed is defined.
Claims (20)
1. a contact panel, including:
A plurality of axial sensing electrode, is parallel to a Touch Zone；
Multiple joint sheets, are arranged at a side of this Touch Zone；And
A plurality of wire, be electrically connected those axially sensing electrodes to those joint sheets, wherein those wires
There is the ratio that an identical length is more long-pending than upper section.
2. contact panel as claimed in claim 1, the height of those wire cross-section area of each of which
Spending identical, and the width of different those wire cross-section area of length is different, those wires have a phase
The ratio of the width that same length is more long-pending than upper section.
3. contact panel as claimed in claim 2, wherein those wires comprise the longest the leading of a length
Line, the wire that this length is the longest has a Breadth Maximum, and this Breadth Maximum axially senses less than affecting those
One width of the touch-control performance of electrode, and this width affecting those axial touch-control performances of sensing electrodes is
More than 300 μm.
4. contact panel as claimed in claim 2, wherein those wires comprise the shortest the leading of a length
Line, the shortest wire of this length has a minimum widith, and this minimum widith is a making work of those wires
Skill capacity limit, and this processing technology capacity limit of those wires is between 10 μm to 15 μm.
5. contact panel as claimed in claim 1, the width of those wire cross-section area of each of which
Spending identical, and the height of different those wire cross-section area of length is different, those wires have a phase
The ratio of the height that same length is more long-pending than upper section.
6. contact panel as claimed in claim 1, wherein this wire of same is in various wirings position
Put and there is an identical sectional area, and the height of this sectional area and width have along with various wirings position
Different width and different height.
7. contact panel as claimed in claim 1, wherein those wires are arranged at around this Touch Zone
One wiring region of periphery, each those axial sensing electrode has two terminals and is respectively electrically connected to two
Those wires of bar, or each those axially sensing electrode only have terminals be electrically connected to one should
Wire.
8. contact panel as claimed in claim 1, wherein those axially sense electrode is a transmission axle
Electrode or one receives axial electrode.
9. contact panel as claimed in claim 1, wherein those axially sense electrode and those wires
Material is identical.
10. a contact panel, including:
A plurality of first axially senses electrode, is parallel to a Touch Zone；
A plurality of second axially senses electrode, first axially interlocks with those sensing electrode insulations, and parallel
It is arranged in this Touch Zone；
Multiple joint sheets, are arranged at a side of this Touch Zone；
A plurality of first wire, being electrically connected those, first axially sensing electrodes are to those joint sheets, wherein
Those first wires have the first ratio that an identical length is more long-pending than upper section；And
A plurality of second wire, being electrically connected those, second axially sensing electrodes are to those joint sheets, wherein
Those second wires have the second ratio that an identical length is more long-pending than upper section.
11. contact panels as claimed in claim 10, those first wire cross-section area of each of which
Height identical, and the width of different those the first wire cross-section area of length is different, and those are first years old
Wire has the 3rd ratio of the identical length width more long-pending than upper section；And each those second
The height of wire cross-section area is identical, and the width of different those the second wire cross-section area of length is not
With, those second wires have the 4th ratio of the identical length width more long-pending than upper section.
12. contact panels as claimed in claim 11, wherein the 3rd ratio of those the first wires is not
It is same as the 4th ratio of those the second wires.
13. contact panel as claimed in claim 10, wherein those first, second wire cross-section area
Height identical, and those first, second wires comprise the wire that a length is the longest, and this length is the longest
Wire there is a Breadth Maximum, this Breadth Maximum is less than touch-control performance affect those axial sensing electrodes
A width, and affect this width of those axial touch-control performances of sensing electrodes for more than 300 μm.
14. contact panel as claimed in claim 10, wherein those first, second wire cross-section area
Height identical, and those first, second wires comprise the wire that a length is the shortest, and this length is the shortest
Wire there is a minimum widith, this minimum widith is a processing technology energy of those first, second wires
The power limit, and this processing technology capacity limit of those wires is between 10 μm to 15 μm.
15. contact panels as claimed in claim 10, those first wire cross-section area of each of which
Width identical, and the height of different those the first wire cross-section area of length is different, and those are first years old
Wire has the 5th ratio of the identical length height more long-pending than upper section；And each those second
The width of wire cross-section area is identical, and the height of different those the second wire cross-section area of length is not
With, those second wires have the 6th ratio of the identical length height more long-pending than upper section.
16. contact panels as claimed in claim 15, wherein the 5th ratio of those the first wires is not
It is same as the 6th ratio of those the second wires.
17. contact panels as claimed in claim 10, wherein this first wire or same of same
This second wire there is an identical sectional area in various wirings position, and the height of this sectional area and
Width has different width and different height along with various wirings position.
18. contact panels as claimed in claim 10, wherein those first axial sensing electrodes are one
Send axial electrode, and those second axial sensing electrodes are a reception axial electrode.
19. contact panels as claimed in claim 10, wherein those first, second wires are arranged at and enclose
Around a wiring region of this Touch Zone periphery, each those first, second axial sensing electrode has two
Terminals are respectively electrically connected to two those first, second wires, or each those first, second axle
To sensing electrode, only there are terminals and be electrically connected to this first, second wire.
20. contact panels as claimed in claim 10, wherein those first axially sensing electrodes and those
First lead material is identical, or those second axial sensing electrodes are identical with those second lead material.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510184101.3A CN106155394A (en) | 2015-04-17 | 2015-04-17 | Contact panel |
| TW104212576U TWM514047U (en) | 2015-04-17 | 2015-08-05 | Touch panels |
| TW104125356A TWI575434B (en) | 2015-04-17 | 2015-08-05 | Touch panels |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510184101.3A CN106155394A (en) | 2015-04-17 | 2015-04-17 | Contact panel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106155394A true CN106155394A (en) | 2016-11-23 |
Family
ID=55409008
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510184101.3A Withdrawn CN106155394A (en) | 2015-04-17 | 2015-04-17 | Contact panel |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN106155394A (en) |
| TW (2) | TWM514047U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109164944A (en) * | 2018-07-27 | 2019-01-08 | 昆山龙腾光电有限公司 | Touching display screen and preparation method thereof |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106155394A (en) * | 2015-04-17 | 2016-11-23 | 宸鸿科技(厦门)有限公司 | Contact panel |
| WO2019119146A1 (en) * | 2017-12-22 | 2019-06-27 | 1004335 Ontario Inc. carrying on business as A D Metro | Capacitive touch sensor apparatus having branching electrodes |
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- 2015-04-17 CN CN201510184101.3A patent/CN106155394A/en not_active Withdrawn
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- 2015-08-05 TW TW104125356A patent/TWI575434B/en active
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| CN102859476A (en) * | 2010-11-11 | 2013-01-02 | 宸鸿科技(厦门)有限公司 | Single-axis capacitive multi-touch panel, system and method |
| CN103197815A (en) * | 2012-01-08 | 2013-07-10 | 宏达国际电子股份有限公司 | Touch panel |
| US20130181942A1 (en) * | 2012-01-12 | 2013-07-18 | Synaptics Incorporated | Single layer capacitive imaging sensors |
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| CN109164944A (en) * | 2018-07-27 | 2019-01-08 | 昆山龙腾光电有限公司 | Touching display screen and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| TWM514047U (en) | 2015-12-11 |
| TWI575434B (en) | 2017-03-21 |
| TW201638757A (en) | 2016-11-01 |
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Application publication date: 20161123 |