CN103941925B - Touch panel - Google Patents
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- CN103941925B CN103941925B CN201310017047.4A CN201310017047A CN103941925B CN 103941925 B CN103941925 B CN 103941925B CN 201310017047 A CN201310017047 A CN 201310017047A CN 103941925 B CN103941925 B CN 103941925B
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Abstract
The invention discloses a touch panel which comprises a substrate, a plurality of first sensing electrodes, a plurality of second sensing electrodes, an insulation layer and a cover plate. The first sensing electrodes are arranged on the substrate and are arranged in the first direction, and the second sensing electrodes are arranged on the substrate and are arranged in the second direction, wherein the first direction is different from the second direction. The insulation layer is arranged between the first sensing electrodes and the second sensing electrodes. The cover plate is arranged on the insulation layer and has a nonuniform thickness. At least one of the surface area of the first sensing electrodes and the surface area of the second sensing electrodes is related with the nonuniform thickness of the cover plate.
Description
Technical field
The present invention relates to a kind of contact panel, and more particularly to a kind of area of induction electrode is with touching that cover plate work changes
Control panel.
Background technology
Due to user in the way of touch-control the suitable intuition of guidance panel and facility so that contact panel by consumer like
Love, gradually shows up prominently in the market of electronic product.
Contact panel can generally be divided into the operation principles of both electric resistance touch-control panel or capacitance type touch-control panel simultaneously
Differ.Electric resistance touch-control panel includes face glass, conducting shell and Resistiue metal layers.When user touch panel, conduction
Layer and Resistiue metal layers can contact, and change the magnitude of current and electric field level and are considered a contact event, then signal is passed
It is sent to controller to be processed.
Capacitance type touch-control panel is then by the use of capacitance sensor as detecting.When user contacts screen, have continuous
Electric current by sensor, enable sensor exactly in both horizontally and vertically stored electrons, form an accurate control
Capacitance field.When finger touches different positions, the capacitance field of sensor is changed by another electric capacity place, now panel
Circuit in every nook and cranny will calculate the change degree of electric field, and this contact event signal is sent to controller then is carried out
Process.
As consumer is for the quality requirements more and more higher of contact panel so that the sensitivity of touch-control sensing and accuracy
It is also required to be lifted, to meet the market demand.
The content of the invention
It is an object of the invention to provide a kind of contact panel, the area of the induction electrode of contact panel and the thickness of cover plate
It is relevant, can compensate because of the different problem of the uneven caused faradism capacity of cover sheet thickness.
Be up to above-mentioned purpose, according to an aspect of the invention, it is proposed that a kind of contact panel, including a substrate, multiple first
Sensing electrode, multiple second sensing electrodes, an insulating barrier and a cover plate.First sensing electrode on the substrate, and with one first
Direction arranges.Second sensing electrode, on substrate, and is arranged with a second direction, and first direction is different from second direction.Absolutely
Edge layer is located between the first sensing electrode and the second sensing electrode.On insulating barrier, cover plate has a thickness heterogeneous to cover plate
Degree.The surface area of the first sensing electrode is had with the thickness heterogeneous of cover plate with the surface area at least one of the second sensing electrode
Close.
More preferably understand to have to the above-mentioned and other aspect of the present invention, preferred embodiment cited below particularly, and coordinate institute
Accompanying drawing, is described in detail below：
Description of the drawings
Figure 1A illustrates the partial cutaway schematic of the contact panel according to one embodiment of the invention；
Figure 1B illustrates the top view of the contact panel according to one embodiment of the invention；
Fig. 2A illustrates the partial cutaway schematic of the contact panel according to another embodiment of the present invention；
Fig. 2 B illustrate another partial cutaway schematic of the contact panel according to another embodiment of the present invention；
Fig. 2 C illustrate another partial cutaway schematic of the contact panel according to another embodiment of the present invention；
Fig. 2 D illustrate the top view of the contact panel according to another embodiment of the present invention；
Fig. 3 A illustrate the partial cutaway schematic of the contact panel according to further embodiment of this invention；
Fig. 3 B illustrate the partial cutaway schematic of the contact panel according to further embodiment of this invention；
Fig. 3 C illustrate the partial cutaway schematic of the contact panel according to further embodiment of this invention；
Fig. 3 D illustrate the top view of the contact panel according to further embodiment of this invention；
Fig. 4 A illustrate the partial cutaway schematic of the contact panel according to still another embodiment of the present invention；
Fig. 4 B illustrate the top view of the contact panel according to one embodiment of the invention；
Fig. 5 A illustrate the partial cutaway schematic of the contact panel according to still another embodiment of the present invention；
Fig. 5 B illustrate the top view of the contact panel according to still another embodiment of the present invention.
Main element symbol description
10、20、30、40、50：Contact panel
100：Substrate
120、125、220、225、320、325、420、425、520、525：Sensing electrode
140、340、440、540：Insulating barrier
160：Protective layer
165：Adhesive-layer
180：Cover plate
1222、1242、1262、1282、2222、2242、2262、2282、3222、3242、3262、3282、4222、
4242：Sub-electrode
1224、1244、1264、1284、2224、2244、2264、2284、3224、3244、3264、3284：Line
1-1、2-2、3-3、4-4、5-5、6-6、7-7、8-8、9-9、10-10：Tangent line
A11、A12、A13、A14、A21、A22、A23、A24、A31、A32、A33、A34：Area
C1、C2、C3：Opening
E1、E2、F1、F2、X1、X2：Width
L1、L2：Thickness
L21、L22：Length
S1、S2、S3、S4、S5、S6：Spacing
W1、W2、W11、W12、W21、W22：Width
Ⅰ、Ⅱ、Ⅲ：Area
X、Y：Direction
Specific embodiment
First embodiment
Figure 1A illustrates the partial cutaway schematic of the contact panel 10 according to one embodiment of the invention.Figure 1A is refer to, is touched
Control panel 10 includes a substrate 100, the first sensing electrode 120, the second sensing electrode 125, insulating barrier 140, protective layer 160, viscous
Glue-line 165 and cover plate 180.First sensing electrode 120 and the second sensing electrode 125 are staggeredly located on substrate 100.Insulating barrier
140 are located between the first sensing electrode 120 and the second sensing electrode 125.Protective layer 160 is located on insulating barrier 140, adhesive-layer
165 to fixed protective layer 160 and cover plate 180, and cover plate 180 is on insulating barrier 140.
Cover plate 180 is, for example, a scratch-proof function layer, is covered in the top of each Rotating fields, used as the purposes of protection.In this enforcement
In example, cover plate 180 has a thickness heterogeneous.Cover plate 180 for example have the first area I, the second area II and the 3rd area III, first
There is first thickness L1, the second area II and the 3rd area III to have second thickness L2 in area I, and first thickness L1 is more than second thickness
L2。
Figure 1B illustrates the top view of the contact panel 10 according to one embodiment of the invention.In the office of the contact panel 10 of Figure 1A
Portion's generalized section, the section for example cut with the tangent line 1-1 of Figure 1B are illustrated.It should be noted that Figure 1B only illustrates touch-control
The substrate 100 of panel 10, the first sensing electrode 120 and the second sensing electrode 125, with facilitate explanation the first sensing electrode 120 and
The arrangement mode of the second sensing electrode 125.Refer to Figure 1B, the first sensing electrode 120 on substrate 100, and with one first
Direction X is arranged.Second sensing electrode 125 is on substrate 100, and is arranged with second direction Y.
First sensing electrode 120 can include the first sub-electrode 1222, the first line 1224, the second sub-electrode 1242 and the
Two lines 1244, to electrically connect the first adjacent sub-electrode 1222, the second line 1244 is to electrically connect for the first line 1224
The second adjacent sub-electrode 1242.Second sensing electrode 125 can include the 3rd sub-electrode 1262, the 3rd line the 1264, the 4th
Sub-electrode 1282 and the 4th line 1284, the 3rd line 1264 is to electrically connect the 3rd adjacent sub-electrode 1262, the 4th line
1284 to electrically connect the 4th adjacent sub-electrode 1282.First sub-electrode 1222, the second sub-electrode 1242, the 3rd sub-electrode
1262 and the 4th sub-electrode 1282 be, for example, rhombus.
In an embodiment, diagonal live width and the diagonal live width of the 3rd sub-electrode 1262 of the first sub-electrode 1222 are, for example,
W1, the diagonal live width of the second sub-electrode 1242 and the diagonal live width of the 4th sub-electrode 1282 are, for example, W2, and width W1 is more than width
Degree W2.Therefore, surface area A12s of the surface area A11 of the first sub-electrode 1222 more than the second sub-electrode 1242, the 3rd sub-electrode
Surface area A14s of the 1262 surface area A13 more than the 4th sub-electrode 1282.First sub-electrode 1222, the second sub-electrode 1242,
Three sub-electrodes 1262, the 4th sub-electrode 1282 are, for example, transparency electrode.
Referring to the surface area of Figure 1A and Figure 1B, the first sensing electrode 120 and the second sensing electrode 125, with cover plate
180 thickness heterogeneous is relevant.For example, cover plate includes the first area I, the second area II and the 3rd area III, the thickness in the first area I
It is, for example, L2 that degree is, for example, the thickness in L1, the second area II and the 3rd area III, and thickness L1 is more than thickness L2.In this embodiment,
Cover plate 180 is thicker along the centre portion in Y-axis, the relatively thin curved cover plate of side section.That is, the first area I is located at second
Between area II and the 3rd area III.However, in other embodiment, cover plate 180 can also be wavy or other shapes, cover plate
The relative position in 180 the first area I, the second area II and the 3rd area III is not restricted.
As shown in Figure 1B, the first area I of cover plate e.g. covers the first sub-electrode 1222 and the 3rd sub-electrode 1262, cover plate
The second area II and the 3rd area III e.g. cover the second sub-electrode 1242 and the 4th sub-electrode 1282.Cover in first area I of cover plate
The spacing of first sub-electrode 1222 and the 3rd sub-electrode 1262 of lid is, for example, S1, and the second son that the 3rd area III of cover plate covers is electric
The spacing of pole 1242 and the 4th sub-electrode 1282 is, for example, S2, and interval S 1 is less than interval S 2.
Second embodiment
Fig. 2A illustrates the partial cutaway schematic of the contact panel 20 according to one embodiment of the invention.Fig. 2A is refer to, is touched
Control panel 20 includes a substrate 100, the first sensing electrode 220, insulating barrier 140, protective layer 160, adhesive-layer 165 and cover plate 180.
Cut along the direction of the first sensing electrode 220 of contact panel 20 in Fig. 2A, therefore, only see cuing open for the first sensing electrode 220
Face.Contact panel 20 is similar to the contact panel 10 of Figure 1A, and similar elements are held this and seldom repeated with same sign flag.
As shown in Figure 2 A, the first line 2224 is used to electrically connect the first adjacent sub-electrode 2222, the second line 2244
To electrically connect the second adjacent sub-electrode 2242.The width of the first sub-electrode 2222 is W11, and the width of the second sub-electrode 2242 is
W12, and width W11 is W12 more than width.In other words, the size of the first sub-electrode 2222 and the second sub-electrode 2242, with lid
The thickness heterogeneous of plate 180 is relevant.For example, cover plate 180 includes that the first area I, the second area II and the 3rd area III (are illustrated in
Fig. 2 D), it is, for example, L2 that the thickness in the first area I is, for example, the thickness of L1, the second area II and the 3rd area III, and thickness L1 is more than thickness
L2。
Fig. 2 B illustrate another partial cutaway schematic of the contact panel 20 according to one embodiment of the invention.Refer to figure
2B, cuts along the direction of the second sensing electrode 225 of contact panel 20 in this, therefore only sees the section of the second sensing electrode 225.
In fact, the first sensing electrode 220 (being illustrated in Fig. 2 D) and the second sensing electrode 225 are staggeredly located on substrate 100.Touch surface
Plate 20 is similar to the contact panel 10 of Figure 1A, and similar elements are held this and seldom repeated with same sign flag.
As shown in Figure 2 B, the width of the 3rd sub-electrode 2262 is W21, and the width of the 4th sub-electrode 2282 is W22, and width
W21 is W22 more than width.In other words, the size of the 3rd sub-electrode 2262 and the 4th sub-electrode 2282, it is non-with cover plate 180
Uniform thickness is relevant.
Fig. 2 C illustrate another partial cutaway schematic of the contact panel 20 according to one embodiment of the invention.Refer to figure
2C, cuts along the alternate directions of first sensing electrode 220 and the second sensing electrode 225 of contact panel 20 in this, therefore can be simultaneously
See the cut-away section of the first sensing electrode 220 and the second sensing electrode 225.10 phase of contact panel of contact panel 20 and Figure 1A
Seemingly, similar elements are held this and are seldom repeated with same sign flag.
As shown in Figure 2 C, the spacing (Spacing) of the first sub-electrode 2222 and the 3rd sub-electrode 2262 is S3, and second sub
The spacing of electrode 2242 and the 4th sub-electrode 2282 is S4, and interval S 4 is more than interval S 3.In other words, the first sub-electrode
2222nd, the second sub-electrode 2242, the spacing between the 3rd sub-electrode 2262 and the 4th sub-electrode 2282, also with cover plate 180
Thickness heterogeneous it is relevant.
Fig. 2 D illustrate the top view of the contact panel 20 according to one embodiment of the invention.Referring to Fig. 2A～Fig. 2 D,
The partial cutaway schematic of the contact panel 20 of Fig. 2A, the section e.g. cut with the tangent line 2-2 of Fig. 2 D are illustrated, Fig. 2 B's
The partial cutaway schematic of contact panel 20, the section e.g. cut with the tangent line 3-3 of Fig. 2 D are illustrated, the touch surface of Fig. 2 C
The partial cutaway schematic of plate 20, the section e.g. cut with the tangent line 4-4 of Fig. 2 D are illustrated.Touch surface is illustrated only in Fig. 2 D
The substrate 100 of plate 20, the first sensing electrode 220 and the second sensing electrode 225, to facilitate explanation.
Fig. 2 D are refer to, the first sensing electrode 220 is on substrate 100, and arranges with a first direction X.Second sensing
Electrode 225 is on substrate 100, and is arranged with second direction Y.Contact panel 20 is similar to the contact panel 10 of 1B, poor
Different is the shape and setting difference of the first sensing electrode 220 and the second sensing electrode 225.In this embodiment, 180 edge of cover plate
The centre portion of X-axis is thicker, the relatively thin curved cover plate of side section, and the first area I is located between the second area II and the 3rd area III.So
And, in other embodiment, cover plate 180 can also be wavy or other shapes, the first area I of cover plate 180, the second area II and
The relative position in the 3rd area III is not restricted.
First sensing electrode 220 can include the first sub-electrode 2222, the first line 2224, the second sub-electrode 2242 and the
Two lines 2244, to electrically connect the first adjacent sub-electrode 2222, the second line 2244 is to electrically connect for the first line 2224
The second adjacent sub-electrode 2242.Second sensing electrode 225 can include the 3rd sub-electrode 2262, the 3rd line the 2264, the 4th
Sub-electrode 2282 and the 4th line 2284, the 3rd line 2264 is to electrically connect the 3rd adjacent sub-electrode 2262, the 4th line
2284 to electrically connect the 4th adjacent sub-electrode 2282.
First sub-electrode 2222 and the second sub-electrode 2242 are, for example, rhombus, the 3rd sub-electrode 2262 and the 4th sub-electrode
2282 is, for example, hexagon.The periphery of the 3rd sub-electrode 2262 and the 4th sub-electrode 2282, can be respectively provided with four it is symmetrical
Three corner electrodes 2226 and three corner electrodes 2246.In another embodiment, it is also possible to be not provided with three corner electrodes 2226 and three corner electrodes
2246, it is not limited.
Referring to the surface area of Fig. 2A-Fig. 2 D, the first sensing electrode 220 and the second sensing electrode 225, with cover plate
180 thickness heterogeneous is relevant.For example, the thickness in the first area I of cover plate 180 is, for example, L1, the secondth area of cover plate 180
The thickness in the II and the 3rd area III is, for example, L2, and thickness L1 is more than thickness L2.The diagonal live width of the first sub-electrode 2222 is, for example,
W11, the diagonal live width of the second sub-electrode 2242 is, for example, W12, and the width of the 3rd sub-electrode 2262 is, for example, W21, sub with the 4th
The width of electrode 2282 is, for example, W22, and width W11 is more than width W12, and width W21 is more than width W22.
In this embodiment, the surface area A21 of the first sub-electrode 2222 is more than the surface area A22 of the second sub-electrode 2242,
Surface area A24s of the surface area A23 of the 3rd sub-electrode 2262 more than the 4th sub-electrode 2282.First sub-electrode 2222, second is sub
Electrode 2242, the 3rd sub-electrode 2262, the 4th sub-electrode 2282 are, for example, transparency electrode.In this embodiment, during cover plate 180 is
Between thicker, the relatively thin curved cover plate of side, the first area I is located between the second area II and the 3rd area III.However, in other embodiment
In, cover plate 180 can also be wavy or other shapes, the first area I of cover plate 180, the second area II and the 3rd area III it is relative
Position is not restricted.
As shown in Figure 2 D, the first area I of cover plate 180 e.g. covers the first sub-electrode 2222 and the 3rd sub-electrode 2262,
Second area II of cover plate 180 and the 3rd area III e.g. cover the second sub-electrode 2242 and the 4th sub-electrode 2282.Cover plate 180
The first sub-electrode 2222 and the spacing of the 3rd sub-electrode 2262 that first area I covers is, for example, S3, the second area II of cover plate 180 and
The second sub-electrode 2242 and the spacing of the 4th sub-electrode 2282 that 3rd area III covers is, for example, S4, and interval S 3 is less than spacing
S4。
3rd embodiment
Fig. 3 A illustrate the partial cutaway schematic of the contact panel 30 according to one embodiment of the invention.Fig. 3 A are refer to, is touched
Control panel 30 includes substrate 100, the first sensing electrode 320 (being illustrated in Fig. 3 D), the second sensing electrode 325, insulating barrier 340, guarantor
Sheath 160, adhesive-layer 165 and cover plate 180.In this embodiment, the first sensing electrode 320 and the second sensing electrode 325 are interlocked
And be located on substrate 100.Fig. 3 A this cut along the direction of the second sensing electrode 325 of parallel contact panel 30, only see second
The cut-away section of sensing electrode 325, and clipped structure.
As shown in Figure 3A, the length of the 3rd sub-electrode 3262 is L21, and the length of the 4th sub-electrode 3282 is L22, and length
L21 is L22 more than length.The size of the 3rd sub-electrode 3262 and the 4th sub-electrode 3282, the thickness heterogeneous with cover plate 180
It is relevant.For example, cover plate 180 includes the first area I and the second area II (being illustrated in Fig. 3 D), and the thickness in the first area I is, for example, L1,
The thickness in the second area II is, for example, L2, and thickness L1 is more than thickness L2.In this embodiment, cover plate 180 is along X-Y plane
Between region it is thicker, the relatively thin curved cover plate of side areas.That is, the first area I is located in the middle of the second area II and is subject to second
Area II surrounds.However, in other embodiment, cover plate 180 can also be wavy or other shapes, the first area I of cover plate 180
And second the relative position in area II be not restricted.
Fig. 3 B illustrate another partial cutaway schematic of the contact panel 30 according to one embodiment of the invention.Refer to figure
3B, cuts along the direction of the second sensing electrode 325 of vertical contact panel 30 in this, therefore only sees the second sensing electrode 325
Cut-away section, and clipped structure.Contact panel 30 is similar to the contact panel 10 of Figure 1A, and similar elements are with same symbol
Labelling, holds this and seldom repeats.In this embodiment, the width of the 3rd sub-electrode 3262 is W21, the width of the 4th sub-electrode 3282
It is W22, and width W21 is W22 more than width.In other words, the size of the 3rd sub-electrode 3262 and the 4th sub-electrode 3282, with
The thickness heterogeneous of cover plate 180 is relevant.
Fig. 3 C illustrate another partial cutaway schematic of the contact panel 30 according to one embodiment of the invention.Refer to figure
3C, cuts along the alternate directions of first sensing electrode 320 and the second sensing electrode 325 of contact panel 30 in this, therefore can be simultaneously
See the cut-away section of the first sensing electrode 320 and the second sensing electrode 325.10 phase of contact panel of contact panel 30 and Figure 1A
Seemingly, similar elements are held this and are seldom repeated with same sign flag.
As shown in Figure 3 C, the spacing of the second sub-electrode 3242 and the 4th sub-electrode 3282 is S5, and the first sub-electrode 3222
Spacing with the 3rd sub-electrode 3262 is S6, and interval S 5 is more than interval S 6.In other words, the first sub-electrode 3222, second is sub
Spacing between electrode 3242, the 3rd sub-electrode 3262 and the 4th sub-electrode 3282, the also thickness heterogeneous with cover plate 180
Degree is relevant.
Fig. 3 D illustrate the top view of the contact panel 30 according to one embodiment of the invention.Referring to Fig. 3 A～Fig. 3 D,
The partial cutaway schematic of the contact panel 30 of Fig. 3 A, the section e.g. cut with the tangent line 5-5 of Fig. 3 D are illustrated.Fig. 3 D's
The cross-section structure cut by tangent line 6-6 is similar to Fig. 2A, seldom repeats in this.The part section of the contact panel 30 of Fig. 3 B is illustrated
Figure, the cross-section structure for example cut with the tangent line 7-7 of Fig. 3 D.The partial cutaway schematic of the contact panel 30 of Fig. 3 C, for example with
The section cut by the tangent line 8-8 of Fig. 3 D is illustrated.Substrate 100, first sensing electrode 320 of contact panel 30 are illustrated only in Fig. 3 D
And second sensing electrode 325, to facilitate explanation.
Contact panel 30 is similar to the contact panel 20 of Fig. 2 C, and similar elements hold this few superfluous with same sign flag
State, difference is that the first sensing electrode 320 and 325 set-up mode of the second sensing electrode are different.Refer to Fig. 3 D, the first sensing electricity
Pole 320 is on substrate 100, and is arranged with a first direction X.Second sensing electrode 325 on substrate 100, and with one the
Two direction Y are arranged.
First sensing electrode 320 can include the first sub-electrode 3222, the first line 3224, the second sub-electrode 3242 and the
Two lines 3244, to electrically connect the first adjacent sub-electrode 3222, the second line 3244 is to electrically connect for the first line 3224
The second adjacent sub-electrode 3242.Second sensing electrode 325 can include the 3rd sub-electrode 3262, the 3rd line the 3264, the 4th
Sub-electrode 3282 and the 4th line 3284, the 3rd line 3264 is to electrically connect the 3rd adjacent sub-electrode 3262, the 4th line
3284 to electrically connect the 4th adjacent sub-electrode 3282.
First sub-electrode 3222 and the second sub-electrode 3242 are, for example, rhombus, the 3rd sub-electrode 3262 and the 4th sub-electrode
3282 is, for example, hexagon.The periphery of the 3rd sub-electrode 3262 and the 4th sub-electrode 3282, can be respectively provided with four it is symmetrical
Three corner electrodes 3226 and three corner electrodes 3246.In an embodiment, it is also possible to be not provided with three corner electrodes 3226 and three corner electrodes
3246, it is not limited.As shown in Figure 3 D, the diagonal live width of the first sub-electrode 3222 is, for example, W11, the second sub-electrode 3242
Diagonal live width is, for example, W12, and the width of the 3rd sub-electrode 3262 is, for example, W21, and the width with the 4th sub-electrode 3282 is, for example,
W22, and width W11 is more than width W12, width W21 is more than width W22.The surface area A31 of the first sub-electrode 3222 is more than second
The surface area A32 of sub-electrode 3242, the surface area A33 of the 3rd sub-electrode 3262 are more than the surface area A34 of the 4th sub-electrode 3282.
First sub-electrode 3222, the second sub-electrode 3242, the 3rd sub-electrode 3262, the 4th sub-electrode 3282 are, for example, transparency electrode.
Referring to the surface area of Fig. 3 A～Fig. 3 D, the first sensing electrode 320 and the second sensing electrode 325, with cover plate
180 thickness heterogeneous is relevant.For example, cover plate can include the first area I and the second area II, the thickness example in the first area I
L1 in this way, the thickness in the second area II is, for example, L2, and thickness L1 is more than thickness L2.It is sub that first area I of cover plate for example covers first
Electrode 3222 and the 3rd sub-electrode 3262, the second area II of cover plate for example cover the second sub-electrode 3242 and the 4th sub-electrode
3282。
In this embodiment, cover plate 180 is middle thicker, the relatively thin curved cover plate in periphery, and the second area II is located at the first area I
Periphery.However, in other embodiment, cover plate 180 can also be wavy or other shapes, the first area I of cover plate 180 and
The relative position in the second area II is not restricted, as long as the surface area of the first sensing electrode 320 and the second sensing electrode 325, right
The thickness heterogeneous of cover plate 180 is answered to make to change.
Fourth embodiment
Fig. 4 A illustrate the partial cutaway schematic of the contact panel 40 according to one embodiment of the invention.Fig. 4 A are refer to, is touched
Control panel 40 includes a substrate 100, the first sensing electrode 425, the second sensing electrode 420, insulating barrier 440, protective layer 160, viscous
Glue-line 165 and cover plate 180.Second sensing electrode 420 is on substrate 100.Insulating barrier 440 is located in the second sensing electrode 420,
First sensing electrode 425 is on insulating barrier 440.Protective layer 160 is located in the first sensing electrode 425, protective layer 160, viscose glue
Layer 165 can be same or similar with previous embodiment with cover plate 180, holds this and seldom repeats.
Fig. 4 B illustrate the top view of the contact panel 40 according to one embodiment of the invention.The local of the contact panel 40 of Fig. 4 A
Generalized section, the section for example cut with the tangent line 9-9 of Fig. 4 B are illustrated.In this only illustrate contact panel 40 substrate 100,
First sensing electrode 425 and the second sensing electrode 420, to facilitate explanation.Refer to Fig. 4 B, the first sensing electricity of contact panel 40
Pole 425 and the second sensing electrode 420 are, for example, the strip of rectangle or rod type (bar type).First sensing electrode 425 is located at
On substrate 100, and arranged with second direction Y.Second sensing electrode 420 is on substrate 100, and is arranged with a first direction X
Row.The central shaft of adjacent two first sensing electrodes 425 is apart from equal, and the central shaft distance of adjacent two second sensing electrode 420
It is equal.
As shown in Figure 4 B, the first sensing electrode 425 and the second sensing electrode 420 are, for example, rectangle or rod type (bar type)
Long strip type transparency electrode, the first sensing electrode 425 and the second sensing electrode 420 can also be the strips of other forms, and
It is not limited.First sensing electrode 425 can include the first sub-electrode 4222 and the second sub-electrode 4242.In an embodiment,
First sub-electrode 4222 has open C 1, and the second sub-electrode 4242 has open C 2, and wherein open C 1 and/or open C 2 is square
Shape, the width of open C 1 is, for example, X1, and the width of open C 2 is, for example, X2.When the first sub-electrode 4222 and the second sub-electrode 4242
Length it is identical, and width is E1 and E2 respectively, and when width E1 and width E2 all identical, the surface area of the first sub-electrode 4222
Less than the surface area of the second sub-electrode 4242.
Referring to Fig. 4 A and Fig. 4 B, the surface area of the first sensing electrode 425, the thickness heterogeneous with cover plate 180
It is relevant.For example, cover plate can include the first area I, the second area II and the 3rd area III, and the thickness in the first area I is, for example, L1, the
The thickness in two areas II and the 3rd area III is, for example, L2, and thickness L1 is more than thickness L2.It is sub that first area I of cover plate for example covers first
Electrode 4222, the second area II of cover plate and the 3rd area III for example cover the second sub-electrode 4242.In this with the first sensing electrode 425
Explain as compensating for variations with the thickness heterogeneous of cover plate 180.In another embodiment, the second sensing electrode 420 can also
Make compensating for variations with the thickness heterogeneous of cover plate 180.
In this embodiment, as the first area I of the thicker cover plate 180 of thickness mainly covers the first sensing electrode 425
First sub-electrode 4222, and the first sub-electrode 4222 has larger open C 1 so that the first sub-electrode 4222 and the second sensing
The more edge capacitance of generation can be sensed between electrode 420, thus can be compensated because of the faradism of the thicker reduction of 180 thickness of cover plate
Capacity.
5th embodiment
Fig. 5 A illustrate the top view of the contact panel 50 according to one embodiment of the invention.Refer to Fig. 5 A, contact panel 50
Including a substrate 100, the first sensing electrode 525, the second sensing electrode 520, insulating barrier 540, protective layer 160, adhesive-layer 165 and
Cover plate 180.Second sensing electrode 520 is on substrate 100.In the second sensing electrode 520, first senses insulating barrier 540
Electrode 525 is on insulating barrier 540.Protective layer 160 is located in the first sensing electrode 525, protective layer 160, adhesive-layer 165 and lid
Plate 180 can be same or similar with previous embodiment, holds this and seldom repeats.
Fig. 5 B illustrate the top view of the contact panel 50 according to one embodiment of the invention.The local of the contact panel 50 of Fig. 5 A
Generalized section, the section for example cut with the tangent line 10-10 of Fig. 5 B are illustrated.The substrate of contact panel 50 is illustrated only in this
100th, the first sensing electrode 525 and the second sensing electrode 520, to facilitate explanation.Refer to Fig. 5 B, the first sense of contact panel 50
It is, for example, strip to survey electrode 525, and is located on substrate 100 so that second direction Y is arranged.Second sensing electrode 520 is with one
First direction X is arranged and is located on substrate 100.
As shown in Figure 5 B, the first sensing electrode 525 e.g. long strip type transparency electrode with the camber length of side, and the first sense
Survey electrode 525 and there are multiple open Cs 3, the size of open C 3 can be with identical.
Referring to Fig. 5 A and Fig. 5 B, the width of the first sensing electrode 525 is uneven.In an embodiment, the first sense
At least there is width F1 and width F2, width F1 to be less than width F2 to survey electrode 525.The surface area of the first sensing electrode 525, with lid
The thickness heterogeneous of plate 180 is relevant.For example, the thickness in the first area I of cover plate 180 is, for example, L1, the second area II and
The thickness in three areas III is, for example, L2, and thickness L1 is more than thickness L2.The first area I such as cover width of cover plate 180 for F1 the
The first sensing electrode 525 of one sensing electrode 525, the second area II of cover plate 180 and the 3rd area III such as cover width for F2.In
This is explained as compensating for variations with the thickness heterogeneous of cover plate 180 with the first sensing electrode 525.In another embodiment, the
Two sensing electrodes 520 can also make compensating for variations with the thickness heterogeneous of cover plate 180.
In this embodiment, as the first sensing electrode 525 that the first area I of the thicker cover plate 180 of thickness is covered has
There is narrower width F1 so that can sense between the first sensing electrode 525 and the second sensing electrode 520 and produce more sensing
Electric capacity, thus thicker the reduced faradism capacity of thickness that the first area I because of cover plate 180 can be compensated.
In sum, the area of the sensing electrode of the above embodiments of the present invention, makees to change corresponding to the thickness of cover plate.In
In one embodiment, in the thicker region of cover plate, can be compensated by large-area sensing electrode, to improve faradism capacity.
In another embodiment, in the thicker region of cover plate, the perforate that can pass through to hollow out in sensing electrode is compensated, to improve edge
Faradism capacity.In another embodiment, it is also possible to by the spacing of the sub-electrode of sensing electrode, faradism capacity is compensated.
In sum, although disclose the present invention with reference to above preferred embodiment, but which is not limited to this
It is bright.Skilled person in the technical field of the invention, without departing from the spirit and scope of the present invention, can make it is various more
Dynamic and retouching.Therefore, protection scope of the present invention should be by being defined that the claim enclosed is defined.
Claims (12)
1. a kind of contact panel, including：
Substrate；
Multiple first sensing electrodes, on the substrate, and are arranged with a first direction；
Multiple second sensing electrodes, on the substrate, and are arranged with a second direction, and the first direction is with the second direction not
Together；
Insulating barrier, between those first sensing electrodes and those second sensing electrodes；And
Cover plate, on the insulating barrier, the cover plate has a thickness heterogeneous, the wherein surface area of those the first sensing electrodes
Relevant with the thickness heterogeneous of the cover plate with the surface area at least one of those the second sensing electrodes, wherein the cover plate has
Center and the secondth area, the thickness heterogeneous of the cover plate are gradually thin toward secondth area from the center, and often first sensing
The surface area of electrode is from corresponding to gradually big in place of secondth area toward corresponding in place of the center.
2. contact panel as claimed in claim 1, wherein those first sensing electrodes include multiple first sub-electrodes and multiple
Second sub-electrode, the surface area of those the first sub-electrodes are less than the surface area of those the second sub-electrodes.
3. contact panel as claimed in claim 1, wherein those first sensing electrodes include at least one first sub-electrode and extremely
Few one second sub-electrode, at least one first sub-electrode have multiple first openings, and at least one second sub-electrode has multiple
Second opening, often the size of first opening is more than often second size being open.
4. contact panel as claimed in claim 3, the center of the wherein cover plate cover at least one first sub-electrode, should
Secondth area of cover plate covers at least one second sub-electrode.
5. contact panel as claimed in claim 3, wherein those first openings and/or those second openings are rectangle.
6. contact panel as claimed in claim 1, wherein those first sensing electrodes and those second sensing electrodes are rectangles
Or rhombus.
7. contact panel as claimed in claim 1, wherein often first sensing electrode is a strip, and the strip has
One arc-shaped side, often the width of first sensing electrode and the curvature of the arc-shaped side are relevant.
8. contact panel as claimed in claim 7, wherein often first sensing electrode has corresponding to the center of the cover plate
First arc, often first sensing electrode corresponding to the cover plate secondth area have one second arc, the song of first arc
Curvature of the rate less than second arc.
9. contact panel as claimed in claim 1, wherein often first sensing electrode is a strip, the width correspondence of the strip
In the thickness heterogeneous of the cover plate.
10. contact panel as claimed in claim 9, the wherein strip have the first width and the second width, and first width is big
In second width, the center covers second width of the strip, and secondth area cover the strip this first
Width.
11. contact panels as claimed in claim 1, wherein often the spacing of first sensing electrode by corresponding to the center it
Locate toward corresponding to gradually wide in place of secondth area.
12. contact panels as claimed in claim 1, wherein those first sensing electrodes are rhombus or hexagon, and those
Two sensing electrodes are rhombus or hexagon.
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| CN201310017047.4A CN103941925B (en) | 2013-01-17 | 2013-01-17 | Touch panel |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310017047.4A CN103941925B (en) | 2013-01-17 | 2013-01-17 | Touch panel |
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| CN103941925B true CN103941925B (en) | 2017-04-12 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108628498B (en) * | 2018-05-11 | 2020-04-07 | 广州国显科技有限公司 | Touch panel, touch display screen and touch display equipment |
| CN109471558B (en) * | 2018-10-31 | 2022-06-03 | 天马微电子股份有限公司 | Touch panel and display device |
| CN113853573A (en) | 2020-03-19 | 2021-12-28 | 京东方科技集团股份有限公司 | Touch sensor and display device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102243553A (en) * | 2010-05-16 | 2011-11-16 | 宸鸿科技(厦门)有限公司 | Capacitive touch panel and method for reducing visuality of metal conductor of capacitive touch panel |
| TW201218051A (en) * | 2010-10-22 | 2012-05-01 | Chimei Innolux Corp | Positioning method and driving apparatus for touch panel |
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| US7688080B2 (en) * | 2006-07-17 | 2010-03-30 | Synaptics Incorporated | Variably dimensioned capacitance sensor elements |
| TWI408441B (en) * | 2009-12-09 | 2013-09-11 | Au Optronics Corp | Touch display panel and touch substrate |
| US8603574B2 (en) * | 2010-11-05 | 2013-12-10 | Apple Inc. | Curved touch sensor |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102243553A (en) * | 2010-05-16 | 2011-11-16 | 宸鸿科技(厦门)有限公司 | Capacitive touch panel and method for reducing visuality of metal conductor of capacitive touch panel |
| TW201218051A (en) * | 2010-10-22 | 2012-05-01 | Chimei Innolux Corp | Positioning method and driving apparatus for touch panel |
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