CN108509092A - The double-deck mutual-capacitive touch panel - Google Patents
The double-deck mutual-capacitive touch panel Download PDFInfo
- Publication number
- CN108509092A CN108509092A CN201710107040.XA CN201710107040A CN108509092A CN 108509092 A CN108509092 A CN 108509092A CN 201710107040 A CN201710107040 A CN 201710107040A CN 108509092 A CN108509092 A CN 108509092A
- Authority
- CN
- China
- Prior art keywords
- electrode
- touch panel
- mutual
- capacitive touch
- array
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- 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
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Position Input By Displaying (AREA)
Abstract
The present invention provides a kind of double-deck mutual-capacitive touch panel, including the first conductive layer and the second conductive layer.First conductive layer includes multiple electrodes, it is arranged in an array, wherein in every a line of array, it is serial that the electrode arranged positioned at (N*M) 1 is electrically connected to each other into first electrode, and to be electrically connected to each other into second electrode serial positioned at the electrode of N*M row, N is the positive integer more than or equal to 2, and M is the positive integer more than or equal to 1.Second conductive layer includes M electrode strip groups insulated from each other, along the line direction sequential of array, wherein each electrode strip group includes the electrode strip that N items are electrically connected to each other, and each electrode strip of each electrode strip group extends along the column direction of array and is overlapped respectively with the electrode of a corresponding row.
Description
Technical field
The present disclosure generally relates to a kind of mutual-capacitive touch panel, espespecially a kind of double-deck mutual capacitance type with duallayered electrode structure is touched
Control panel.
Background technology
As science and technology is maked rapid progress, the touch control display device being made of display and touch panel due to that can realize simultaneously
Touch-control and display function, and the characteristic with human-computer interaction, have been widely used in smartphone (smart phone), have defended
Star navigation system (GPS navigator system), tablet computer (tablet PC) and laptop (laptop
) etc. PC on electronic products.Wherein, mutual-capacitive touch panel is due to high-accuracy, multi-point touch, high durability, Yi Jigao
The advantages that touch-control resolution ratio, it has also become mainstream touch technology used in industry at present.
Mutual capacitance type touch technology is mainly neighbouring or when contacting through the touch control unit on detecting touch objects and touch panel, because
Electrostatic in touch objects generates coupled capacitor variation with touch control unit, and then judges touch event.Mutual capacitance type touch technology is being tied
Single layer electrode structure and two types of duallayered electrode structure can be mainly divided into structure design.Referring to FIG. 1, it depicts tradition
The upper schematic diagram of mutual-capacitive touch panel with single layer electrode structure.As shown in Figure 1, the touch-control of conventional monolayers electrode structure
The driving electrodes 12 of panel 10 are made of with induction electrode 14 same layer electrode layer, therefore can reduce whole touch panel 10
Thickness.Also, each induction electrode 14 be strip, and correspond to respectively multiple driving electrodes 12 be arranged, with each
Driving electrodes 12 generate coupled capacitor, using as a touch control unit.However, in order to which each driving electrodes 12 are electrical
It is connected to the connection pad on periphery, configuration conducting wire 16 is needed to be respectively and electrically connected to each driving electrodes between adjacent induction electrode 14
12 so that the spacing between adjacent induction electrode 14 is influenced by the configuration of conducting wire 16 and can not be reduced, and then limits touch-control
The spacing of unit and the distribution density (the namely resolution ratio of touch panel) of touch control unit.Also, work as single layer electrode structure
Touch panel 10 when being set on display, since induction electrode 14 is completely exposed on display so that induction electrode
14 readily receive from the noise of display cause touch-control position sensitivity it is bad.
Referring to FIG. 2, it depicts the upper schematic diagram of the known mutual-capacitive touch panel with duallayered electrode structure.Such as
Shown in Fig. 2, each induction electrode 22 and each driving electrodes 24 of touch panel 20 are strip, and interlaced with each other, with
Touch control unit is formed, and driving electrodes 24 are set between induction electrode 22 and display, to obstruct making an uproar from display
Sound.In addition to this, the design of duallayered electrode structure due to induction electrode 22 and driving electrodes 24 it is interlaced with each other, be not required to feeling
It answers between electrode 22 or conducting wire is set between driving electrodes 24, can thereby promote the distribution density of touch control unit, and simplified pattern
Design, to reduce the degree of difficulty made.Also, on the algorithm that touch chip controls touch panel 20, duallayered electrode structure
Design can be also easy compared with the design of single layer electrode structure.Therefore, the design of duallayered electrode structure is widely used in disappearing for middle high-order
In expense property electronic product.However, in the design of known duallayered electrode structure, for induction electrode 22 to be electrically connected to connection pad
26 system of conducting wire be set in the peripheral region 20b of the Touch Zone both sides 20a, thus the range of peripheral region 20b will be limited by leading
The quantity of line 26 and can not reduce.
Invention content
One of the objects of the present invention is to provide a kind of double-deck mutual-capacitive touch panel with less conducting wire, reduction is led
The quantity of line, and then reduce the periphery sector width of Touch Zone both sides.
One embodiment of the invention provides a kind of double-deck mutual-capacitive touch panel, has Touch Zone and peripheral region, and wrap
Include the first conductive layer, the second conductive layer and an insulating layer.First conductive layer includes multiple electrodes, is arranged in an array, and position
In in Touch Zone, wherein in every a line of array, it is located at the electrode that (N*M) -1 is arranged and is electrically connected to each other into first electrode string
Row, and be electrically connected to each other into that second electrode is serial positioned at the electrode of N*M row, N are the positive integer more than or equal to 2, M be more than etc.
In 1 positive integer.Second conductive layer is set on the first conductive layer, and the second conductive layer includes M electrode strips insulated from each other
Group, along the line direction sequential of array in Touch Zone, wherein each electrode strip group includes the electrode that N items are electrically connected to each other
Item, and each electrode strip of each electrode strip group extends along the column direction of array and is overlapped respectively with the electrode of a corresponding row.Insulation
Layer is set between the first conductive layer and the second conductive layer.
In the double-deck mutual-capacitive touch panel of the present invention, at least first electrode of same electrode strip group and same a line is serial
And second electrode serially generates capacity coupled configuration, to form at least two different touch control units, and each electrode strip group
Electrode strip be electrically connected to each other so that unitary electrode item group can be considered single induction electrode, therefore at least two touch control units are only
Second conducting wire is needed to transmit inductive signal to the second connection pad, thereby the number of the second conducting wire needed for the double-deck mutual-capacitive touch panel
Amount can the more conventional double-deck mutual-capacitive touch panel at least reduce half, and then the peripheral region that can reduce for the second conducting wire to be arranged is wide
Degree.
Description of the drawings
Fig. 1 depicts the upper schematic diagram that tradition has the mutual-capacitive touch panel of single layer electrode structure.
Fig. 2 depicts the upper schematic diagram of the known mutual-capacitive touch panel with duallayered electrode structure.
Fig. 3 depicts the diagrammatic cross-section of the touch control display device of one embodiment of the invention.
Fig. 4 depicts the upper schematic diagram of the double-deck mutual-capacitive touch panel of first embodiment of the invention.
Fig. 5 depicts the upper of the double-deck mutual-capacitive touch panel of the alternate embodiment of first embodiment of the invention and regards signal
Figure.
Fig. 6 depicts the upper schematic diagram of the first conductive layer of second embodiment of the invention.
Fig. 7 depicts the upper schematic diagram of the second conductive layer of second embodiment of the invention.
Fig. 8 depicts the upper schematic diagram of the double-deck mutual-capacitive touch panel of second embodiment of the invention.
Fig. 9 depicts the upper schematic diagram of the double-deck mutual-capacitive touch panel of third embodiment of the invention.
Symbol description
10,20 touch panels 12,24 driving electrodes
14,22 induction electrodes 16,26 conducting wires
The Touch Zone 20a, 102a peripheral region 20b, 102b
100 touch control display devices
102,102 ', 102 " the double-deck mutual-capacitive touch panel
104 display panel, 106 substrate
108 films 110,110a, 110 ' first electrodes are serial
112, serial 114,114 ' first connecting line segment of 112a, 112 ' second electrodes
116,116 ' second connecting line segments 118,118a electrode strip groups
119, the electrode strip of 119a, 119 ', 119 "
120 first conducting wires
122 second conducting wire 122a branches
Conducting wire on the right side of 122L left leads 122R
124 first connection pad, 126 second connection pad
The serial 130 third connecting line segment of 128 third electrodes
C1, C1a, C1 conductive layer of ' first
C2, C2a, C2 ', the second conductive layers of C2 "
CD line direction RD column directions
E1, E1 ', E2, E2 ', E3 electrodes
TU1, TU2, TU3, TU ' touch control unit
S displacement CP cross-shaped formations
FE1 the first floating electrode the second floating electrodes of FE2
CA recess Z upright projections direction
OP trepanning FE3 third floating electrodes
The 4th floating electrodes of FE4
Specific implementation mode
Referring to FIG. 3, it depicts the diagrammatic cross-section of the touch control display device of one embodiment of the invention.As shown in figure 3,
The touch control display device 100 of the present embodiment includes the double-deck mutual-capacitive touch panel 102 and display panel 104, wherein double-deck mutual
Appearance formula touch panel 102 may be disposed on the display surface of display panel 104.The double-deck mutual-capacitive touch panel 102 has a touch-control
Driving electrodes and induction electrode are arranged, peripheral region 102b is used by an area 102a and peripheral region 102b, wherein Touch Zone 102a
Connection line is arranged.In this present embodiment, peripheral region 102b can surround Touch Zone 102a, and but not limited to this.Also, it is double-deck
Mutual-capacitive touch panel 102 may include the first conductive layer C1 and the second conductive layer C2, be sequentially arranged on display surface, and first
Conductive layer C1 and the second conductive layer C2 can pass through the insulating layer of setting therebetween and be electrically insulated from.In this present embodiment, double
Layer mutual-capacitive touch panel 102 can include separately substrate 106 and two films 108.First conductive layer C1 and the second conductive layer C2 can
It is respectively formed on film 108, and is bonded substrate 106 with the film 108 for being provided with the second conductive layer C2 through two adhesion layers
And be bonded the film 108 for being provided with the first conductive layer C1 with the film 108 for being provided with the second conductive layer C2, to form bilayer
Mutual-capacitive touch panel 102.Then, the double-deck mutual-capacitive touch panel 102 can pass through adhesion layer and stick on display surface, make first
Conductive layer C1 and the second conductive layer C2 are set between substrate 106 and display panel 104.It is set to the first conductive layer C1 and second
Film 108 between conductive layer C2 can be used as insulating layer, the two to be electrically insulated.Preferably, being closer to display panel
First conductive layer C1 may include the driving electrodes for transmitting drive signal, and the second conductive layer C2 for being closer to touch objects can be wrapped
The induction electrode for generating inductive signal is included, thereby driving electrodes can be applied not only to transmission drive signal, also maskable display
Influence of the panel to induction electrode.The double-deck mutual-capacitive touch panel 102 of the present invention is not limited to above-mentioned.In another embodiment
In, the second conductive layer C2 and the first conductive layer C1 also can be sequentially formed directly on substrate 106, and in the first conductive layer C1 and
Insulating layer is formed between two conductive layer C2, the two is electrically insulated.In another embodiment, the first conductive layer C1 and second
Conductive layer C2 can also be formed directly on the display surface of display panel 104, for example, liquid crystal display panel colored optical filtering substrates
Or on the encapsulation cover plate of organic light emitting display panel.In addition, substrate 106 may include hard substrate or flexible base plate, such as glass
Substrate, quartz base plate, sapphire substrate, hard cover plate (cover lens), plastic base, soft covers hardened glass substrate
Cover board, soft plastic substrate or thin glass substrate.
First conductive layer C1 includes multiple electrodes, is arranged in an array, and in the 102a of Touch Zone.In each of array
In row, including at least being located at, the first electrode that the electrode that (N*M) -1 is arranged is electrically connected to each other is serial, and positioned at N*M row
The second electrode that electrode is electrically connected to each other is serial, and N is the positive integer more than or equal to 2, and M is the positive integer more than or equal to 1.Please
With reference to figure 4, the upper schematic diagram of the double-deck mutual-capacitive touch panel of first embodiment of the invention is depicted.For convenience of description,
Fig. 4 omits film 108, but invention is not limited thereto.As shown in figure 4, the N of the present embodiment is equal to 2, therefore in each of array
In row, the electrode E1 for being located at odd column (i.e. 2*M-1 row) is electrically connected to each other into first electrode serial 110, and is located at even column
The electrode E2 of (i.e. 2*M row) is electrically connected to each other into second electrode serial 112.First electrode serial 110 is serial with second electrode
112 is insulated from each other, and is separated and insulate positioned at same row but wantonly two the adjacent electrodes E1 or E2 that do not go together so that does not go together
First electrode serial 110 and the second electrode serial 112 do not gone together it is insulated from each other.Specifically, the first conductive layer C1 can
Include separately a plurality of first connecting line segment 114 and a plurality of second connecting line segment 116, each first connecting line segment 114 connects each first electricity
Two adjacent electrode E1 (being namely located at two adjacent electrode E1 in a line and different odd row) in extremely serial 110, each the
Two connecting line segments 116 connect two adjacent electrode E2 in each second electrode serial 112 and (are namely located at a line and different even columns
In two adjacent electrode E2).In this present embodiment, the first connecting line segment 114 and second corresponded to a line electrode E1 and E2 connects
Wiring section 116 is respectively arranged at the both sides of same a line electrode E1 and E2, such as is respectively arranged at left side and right side or on the contrary, thereby
Can be staggered the first connecting line segment 114 and the second connecting line segment 116, to avoid electric connection.Specifically, the electrode E1 per a line
It overlaps each other and is aligned on the line direction CD of array with E2.Also, the first connecting line segment 114 on the line direction CD of array not
Be overlapped with the electrode E1 of corresponding first electrode serial 110, and the second connecting line segment 116 on the line direction CD of array not with it is right
The electrode E2 overlappings for the second electrode serial 112 answered.
In addition, the second conductive layer C2 includes multiple electrode strip groups 118 insulated from each other, along array line direction CD sequentially
Arrangement, and each electrode strip group 118 includes two electrode strips 119 being electrically connected to each other.Each electrode strip of each electrode strip group 118
119 extend and the electrode E1 or E2 that is arranged respectively with corresponding one is on a upright projection direction Z respectively along the column direction RD of array
Overlapping, capacitive coupling can be generated with each electrode E1 and form a touch-control by thereby corresponding to the electrode strip 119 of same row electrode E1
Unit TU1, and the electrode strip 119 of corresponding same row electrode E2 can generate capacitive coupling with each electrode E2 and form a touch-control
Unit TU2, to detect the position of touch objects.Since two strip electrode items 119 of same electrode strip group 118 are adjacent to each other,
Can be Chong Die with E2 with the electrode E1 of two adjacent columns respectively, that is, can be serial with second electrode with first electrode serial 110 respectively
112 capacitive couplings, thereby same electrode strip group 118 can be with the first electrode serial 110 and second electrode serial 112 of same a line
Form two different touch control unit TU1 and TU2.In this present embodiment, each electrode strip 119 can be strip, but not limited to this, also
Can be other shapes.In addition, each electrode E1 and E2 can be more than each electrode strip 119 in array in the width on the line direction CD of array
Line direction CD on width, therefore electrode E1 and E2 can effectively shield and obstruct influence of the display to electrode strip 119, by
This promotes the touch-control accuracy of the double-deck mutual-capacitive touch panel 102.
In this present embodiment, the double-deck mutual-capacitive touch panel 102 can separately be led including a plurality of first conducting wire 120 with a plurality of second
Line 122 is set on the substrate 106 in the 102b of peripheral region.It is serial that each first electrode is electrically connected in each first conducting wire 120
110 and each second electrode serial 112, and the electrode strip 119 of each electrode strip group 118 is electrically connected in each second conducting wire 122.
Specifically, the first conducting wire 120 and the second conducting wire 122 can be for example including silver or transparent conductive materials.First conducting wire 120 can be from week
Border area 102b extends to Touch Zone 102a and is connected with 114 or second connecting line segment 116 of corresponding first connecting line segment.Each first leads
Line 120 and electrode E1 and E2 can be formed by identical first conductive layer C1 or be formed by different conductive layers.Each second conducting wire
122 may include two branch 122a, be separately connected the electrode strip 119 of same electrode strip group 118, and each second conducting wire 122 can be with
Electrode strip 119 is formed by identical second conductive layer C2 or is formed by different conductive layers.In addition, the double-deck mutual capacitance type touch surface
Plate 102 may include multiple first connection pads 124 and multiple second connection pads 126 again, be set to the peripheral region of Touch Zone the same sides 102a
On substrate 106 in 102b.Specifically, the first connection pad 124 can be respectively arranged at different films 108 from the second connection pad 126
On, but not limited to this.Each first conducting wire 120 is electrically connected in each first connection pad 124, and each second connection pad 126 electrically connects respectively
Each second conducting wire 122 is connect, thereby electrode strip group 118 can pass through the first connection pad 124 and be electrically connected to external control chip, and first
Electrode serial 110 and second electrode serial 112 can pass through the second connection pad 126 and be electrically connected to external control chip.Into one
For step, the second conducting wire 122 can distinguish left lead 122L and right side conducting wire 122R, be respectively arranged at the two of Touch Zone 102a
Side, and the other side of Touch Zone 102a is extended to, to be connect with the second connection pad 126.It is worth noting that each the of the present embodiment
Same electrode strip group 118 can be not only connected to the second connection pad 126 by two conducting wires 122, can also be by the electrode of same electrode strip group 118
Item 119 is electrically connected, and makes the electrode strip 119 of same electrode strip group 118 that can be electrically connected in peripheral region 102b.The present invention is not
It is limited to this electric connection mode.In another embodiment, the electrode strip 119 of each electrode strip group 118 can also be in the 102a of Touch Zone
It is electrically connected.For example, the double-deck mutual-capacitive touch panel 102 can include separately a plurality of connecting line segment, be set to Touch Zone
In 102a, and each connecting line segment is respectively arranged between the electrode strip 119 of each electrode strip group 118 and connects the two.Connecting line segment
It can be formed by same second conductive layer C2 with electrode strip 119 or be formed by different conductive layers.
Furthermore, first electrode serial 110 and second electrode serial 112 can respectively as different driving electrodes,
To be respectively transmitted a drive signal.The electrode strip 119 of each electrode strip group 118 is electrically connected to each other, therefore unitary electrode item group 118
Can be considered single induction electrode, to when corresponding electrode E1 or E2 receive drive signal because capacitive coupling generates corresponding sense
Induction signal.For unitary electrode item group 118, when carrying out touch detection, control chip can be respectively transmitted drive signal to the
One electrode serial 110 and second electrode serial 112, electrode strip group 118 can correspond to first electrode serial 110 and second respectively
The drive signal of electrode serial 112 generates corresponding inductive signal, the driving that thereby unitary electrode item group 118 can be different according to two
Two identical drive signals of signal or different time generate two inductive signals respectively, to reach detecing for two touch control unit TU1 and TU2
It surveys.It is familiar with people in the art and is appreciated that this operating characteristic can be covered for all embodiments of the invention, repeats no more below.Thus
Function mode is it is found that through same electrode strip group 118 and with the first electrode serial 110 and second electrode serial 112 of a line
Capacity coupled configuration is generated, to form two different touch control unit TU1 and TU2, therefore two touch control units TU1 and TU2
Second conducting wire 122 is only needed to transmit inductive signal to the second connection pad 126, thereby the present embodiment bilayer mutual-capacitive touch panel
The quantity of the second conducting wire 122 needed for 102 can the known double-deck mutual-capacitive touch panel more shown in Fig. 2 lack half, and then can contract
Subtract the peripheral region 102b width for the second conducting wire 122 to be arranged.There are 28 × 17 touch-controls with the double-deck mutual-capacitive touch panel 102
For unit, where each row has 28 touch control units TU1 and TU2, and often shows 17 touch control units TU1 and TU2, the present embodiment
The double-deck mutual-capacitive touch panel 102 need serial 110 and 17 second electrodes serial 112 of 17 first electrodes, but only need 14
Strip electrode item group 118.That is, the second conducting wire 122 of connection electrode item group 118 only needs 14.Furthermore the second conducting wire 122
It can be respectively arranged in the peripheral region 102b of the Touch Zone both sides 102a, therefore unilateral peripheral region 102b only needs setting 7 second
Conducting wire 122.It is unilateral when the width of the second conducting wire 122 is 0.1 millimeter, and the spacing of adjacent second wire 122 is 0.05 millimeter
The width of peripheral region 102b is only 1.05 millimeters.Conversely, as shown in Figure 1, the single item sense of known bilayer mutual-capacitive touch panel
It answers electrode only to be coupled with single driving electrodes and forms a touch control unit, therefore it needs 28 to be used to connect induction electrode
Conducting wire, so that the width of its unilateral peripheral region needs 0.1 × 14+0.05 × 14=2.1 millimeters.It follows that the present embodiment
The double-deck mutual-capacitive touch panel 102 can effectively reduce the width of the peripheral region 102b at left and right sides of the 102a of Touch Zone.When
When the column direction RD of touch panel 102 is identical as the horizontal direction of picture shown by display panel, the touch-control applied, which is shown, to be set
Standby 100 frame can not be limited by the quantity of the second conducting wire 122, and can further be reduced.In particular, when the touch-control of the present embodiment
Display equipment 100 is when being applied to smartphone, at left and right sides of frame can be contracted by, to reach close to the outer of Rimless
It sees, the size of display picture can be thereby promoted in the case where not changing smartphone size.
The double-deck mutual-capacitive touch panel of the present invention is not limited with above-described embodiment.In the first conductive layer, array
It is not limited to per a line comprising the first electrode positioned at odd column electrode serially and comprising the second electrode string positioned at even column electrode
Row.More precisely, it in every a line of array of the present invention, includes at least the electrode arranged positioned at (N*M) -1 and is electrically connected to each other
At first electrode it is serial and serial positioned at the second electrode that is electrically connected to each other of electrode of N*M row, N is more than or equal to 2
Positive integer, M is positive integer more than or equal to 1.For first embodiment, N is equal to 2, however, the present invention is not limited thereto.In order to just
In the deviation compared between first embodiment and other alternate embodiments and other embodiment and simplify explanation, below
Identical component is marked using identical symbol in other alternate embodiments and other embodiment, and is implemented mainly for first
The deviation between deviation and first embodiment and other embodiment between example and alternate embodiment illustrates, without
Repeating part is repeated again.
In another alternate embodiment, as shown in figure 5, when N is equal to 3, every a line of array is in addition to including first electrode string
Row 110 and second electrode serial 112, further include third electrode serial 128.To clearly show that, Fig. 5 only shows single row, but
It is not limited.Compared to first embodiment, in the first conductive layer C1a of this alternate embodiment, it is located at the electrode of 3*M-1 row
E1 is electrically connected to each other into the serial 110a of first electrode, and it is serial to be electrically connected to each other into second electrode positioned at the electrode E2 of 3*M row
112a, and the third electrode serial 128 being electrically connected to each other positioned at the electrode E3 of 3*M-2 row, wherein first electrode is serial
The serial 112a of 110a, second electrode and third electrode serial 128 are insulated from each other.Each first conducting wire 120 is electrically connected each
The serial 110a of one electrode, the serial 112a of each second electrode and each third electrode serial 128.Also, the first conductive layer C1a can be wrapped separately
A plurality of third connecting line segment 130 is included, is connected between the two adjacent electrode E3 of same a line.To make the two adjacent electricity of same a line
Pole E3 can be electrically connected to each other, some of each third connecting line segment 130 can be set to two adjacent electrode E1 and electrode E2 it
Between.Correspondingly, the second conductive layer C2a includes M electrode strip group 118a insulated from each other, is sequentially arranged along the line direction of array
It is listed in the 102a of Touch Zone, wherein each electrode strip group 118a includes the electrode strip 119a that N items are electrically connected to each other, and each electrode strip
Each electrode strip 119a of group 118a extends along the column direction of array and respectively with electrode E1, E2 or E3 of a corresponding row in vertical
It is overlapped on projecting direction Z.The electrode strip 119a of each electrode strip group 118a is electrically connected in each second conducting wire 122.Correspondence is same
The electrode strip 119a of row electrode E1 can generate capacitive coupling with each electrode E1 and form touch control unit TU1, corresponding same row
The electrode strip 119a of electrode E2 can generate capacitive coupling with each electrode E2 and form touch control unit TU2, and corresponding same row
The electrode strip 119a of electrode E3 can generate capacitive coupling with each electrode E3 and form touch control unit TU3.Since this variation is real
Applying example three touch control units TU1, TU2 and TU3 only needs the second conducting wire 122 transmission inductive signal, thereby this alternate embodiment
The quantity of the second conducting wire 122 needed for the double-deck mutual-capacitive touch panel not only known double-deck mutual capacitance type touch surface more shown in Fig. 2
Plate is reduced, and can be also less than the quantity of the second conducting wire 122 in first embodiment, more can effectively be reduced for the second conducting wire to be arranged
122 periphery sector width.And so on, N of the invention is alternatively 4 or more positive integer, to reduce periphery sector width.
The double-deck mutual-capacitive touch panel of the present invention further includes other embodiment.Fig. 6 is please referred to Fig. 8.Fig. 6 depicts this
The upper schematic diagram of first conductive layer of invention second embodiment, Fig. 7 depict the second conductive layer of second embodiment of the invention
Upper schematic diagram, Fig. 8 depicts the upper schematic diagram of the double-deck mutual-capacitive touch panel of second embodiment of the invention, wherein for
Clearly show that the pattern of the first conductive layer and the second conductive layer, Fig. 6 is only painted 4 × 2 array, and Fig. 7 then show corresponding 4 ×
Second conductive layer pattern of 2 arrays, but invention is not limited thereto.As shown in fig. 6, compared to first embodiment, the present embodiment
The first conductive layer C1 ' the first connecting line segment 114 ' on the line direction CD of array with corresponding first electrode serial 110 '
Electrode E1 ' overlapping, and the second connecting line segment 116 ' on the line direction CD of array with the electricity of corresponding second electrode serial 112 '
Pole E2 ' is overlapped.In this present embodiment, it is located at each electrode E1 ' of odd column in a line and each electrode E2 ' of even column in array
Line direction CD on have a displacement S, size is width and the electrode E2 ' of even column and corresponding the of the first connecting line segment 114 '
The summation of spacing between one connecting line segment 114 '.For example, for compared to the electrode E1 ' of odd column, the electrode of even column
E2 ' can be towards right displacement, and each first connecting line segment 114 ' is respectively arranged at the left side of each electrode E2 ' of even column, and each second connects
Wiring section 116 ' is respectively arranged at the right side of each electrode E1 ' of odd column, but not limited to this.In another embodiment, even column
Electrode E2 ' also can be towards left dislocation, and each first connecting line segment 114 ' can be respectively arranged at the right side of each electrode E2 ' of even column
Side, each second connecting line segment 116 ' are respectively arranged at the left side of each electrode E1 ' of odd column.
As shown in fig. 7, compared to first embodiment, each electrode strip 119 ' of the present embodiment includes multiple row along array
Direction RD sequentially concatenated cross-shaped formation CP, to connect into a gate-shaped electrode item.In order to correspond to the electrode in the first conductive layer C1 '
E1 ' and E2 ' is arranged, and wantonly two adjacent electrode strips 119 ' also have displacement S on the line direction CD of array.In addition, second is conductive
Layer C2 ' can include separately multiple first floating electrode FE1 and multiple second floating electrode FE2.First floating electrode FE1 is set respectively
It is placed between wantonly two is adjacent and the cross-shaped formation CP that is connected to each other, and the second floating electrode FE2 is set to wantonly two adjacent electrodes
Between item 119 ', to promote the coupled capacitor between touch objects and electrode strip 119 ', and increase caused by electrode strip 119 '
Inductive signal amount.Specifically, gate-shaped electrode item 119 ' has multiple recess CA, and each first floating electrode FE1 is respectively set
In in each recess CA.Second floating electrode FE2 is located at outside recess CA, each of which be located at two adjacent electrode strips 119 ' it
Between two adjacent first floating electrode FE1 between.
As shown in figure 8, in this present embodiment, two cross-shaped formation CP of each electrode strip 119 ' can be with a corresponding electrode
E1 ' or E2 ' is overlapped on the Z of upright projection direction, and but not limited to this.Since wantonly two adjacent electrode strips 119 ' are in the row of array
Displacement S on the CD of direction and the displacement with the electrode E1 ' and E2 ' of odd column in a line and even column on the line direction CD of array
S is identical, therefore electrode strip 119 ' is identical as the overlapping area of each electrode E1 ' or E2 '.It follows that each touch-control list
First TU ' sensitivity having the same, and then the double-deck detecting of the mutual-capacitive touch panel 102 ' touch objects can be improved and move linearly
Accuracy.In addition, each electrode E1 ' and E2 ' can also be more than each cross-shaped formation CP in battle array in the width on the line direction CD of array
Width on the line direction CD of row, to shield and obstruct influence of the display to electrode strip 119 '.It is worth noting that this implementation
102 ' the system of the double-deck mutual-capacitive touch panel of example generates capacitive coupling through cross-shaped formation CP with corresponding electrode E1 ' or E2 ', because
When this executes touch-control, i.e. so-called suspension touch control in the case that touch objects do not touch casing, the double-deck mutual-capacitive touch panel 102 '
Can still have good touch-control accuracy.
In another embodiment, it is located at odd column electrode E1 ' and the even column electrode E2 ' in a line in the row side of array
Can also not have displacement on CD.In other words, the electrode E1 ' and E2 ' per a line is in alignment with each other on the line direction CD of array.
Also, first connecting line segment 114 ' of the present embodiment on the line direction CD of array not with corresponding first electrode serial 110 '
Electrode E1 ' overlapping, and the second connecting line segment 116 ' on the line direction CD of array not with corresponding second electrode serial 112 '
Electrode E2 ' overlappings.
Referring to FIG. 9, it depicts the upper schematic diagram of the double-deck mutual-capacitive touch panel of third embodiment of the invention.Such as
Shown in Fig. 9, compared to first embodiment, each electrode strip 119 " of the double-deck mutual-capacitive touch panel 102 " of the present embodiment may include
Multiple trepanning OP, sequentially along the column direction RD arrangements of array.Specifically, each trepanning OP of each electrode strip 119 " respectively with it is right
Electrode E1 or the E2 overlapping answered, thereby can pass through trepanning OP increases touch objects and approaches or touches the double-deck mutual-capacitive touch panel
Inductance capacitance variable quantity when 102 ", and then increase the touch-control accuracy of the double-deck mutual-capacitive touch panel 102 ".In addition, this implementation
Second conductive layer C2 " of example can include separately multiple third floating electrode FE3, be respectively arranged in trepanning OP, and third suspension joint electricity
Pole FE3 and electrode strip 119 " are separated from one another.For example, three third suspension joints being separated can be set in each trepanning OP
Electrode FE3, but not limited to this.In addition, the second conductive layer C2 " can include separately multiple 4th floating electrode FE4, it is set to and appoints two-phase
Between adjacent electrode strip 119 ", to promote the capacitive sensing amount to touch objects.In another embodiment, it is located at odd number in a line
Each electrode E1 " of row has a displacement S, and wantonly two adjacent electrode with each electrode E2 " of even column on the line direction CD of array
Item 119 " also has displacement S on the line direction CD of array so that the trepanning OP of two adjacent electrode strips 119 " also has displacement S.
It is identical with the first embodiment, first in second embodiment and the double-deck mutual-capacitive touch panel of 3rd embodiment is led
In electric layer, every a line of array is not limited to comprising the first electrode positioned at odd column electrode serially and comprising positioned at even column electrode
Second electrode it is serial.In every a line of array, includes at least and be located at the electrode that (N*M) -1 is arranged is electrically connected to each other the
One electrode is serial, and the second electrode that the electrode arranged positioned at N*M is electrically connected to each other is serial, and N is just whole more than or equal to 2
Number, M are the positive integer more than or equal to 1.Also, the second conductive layer includes correspondingly M electrode strip groups insulated from each other, and each
Electrode strip group includes the electrode strip that N items are electrically connected to each other.Remaining same section, which is not added with, to be repeated.
In conclusion in the double-deck mutual-capacitive touch panel of the present invention, same electrode strip group and at least the with a line
One electrode is serial and second electrode serially generates capacity coupled configuration, to form at least two different touch control units, and
The electrode strip of each electrode strip group is electrically connected to each other so that unitary electrode item group can be considered single induction electrode, therefore at least two
Touch control unit only needs second conducting wire to transmit inductive signal to the second connection pad, thereby the needed for the double-deck mutual-capacitive touch panel
The quantity of two conducting wires can the more conventional double-deck mutual-capacitive touch panel at least reduce half, and then can reduce for the second conducting wire to be arranged
Periphery sector width, and applied smartphone is made to reach the appearance close to Rimless.
The foregoing is merely presently preferred embodiments of the present invention, all equivalent changes done according to the claims in the present invention with repair
Decorations should all belong to the covering scope of the present invention.
Claims (14)
1. a kind of bilayer mutual-capacitive touch panel, has a Touch Zone and a peripheral region, and the bilayer mutual-capacitive touch panel
Including：
One first conductive layer, including multiple electrodes are arranged in an array, and in the Touch Zone, wherein in the every of the array
In a line, it is located at such electrode that (N*M) -1 is arranged and is electrically connected to each other into that a first electrode is serial, and positioned at the such of N*M row
Electrode is electrically connected to each other into that a second electrode is serial, and N is the positive integer more than or equal to 2, and M is the positive integer more than or equal to 1；
One second conductive layer is set on first conductive layer, which includes M electrode strip groups insulated from each other,
Along the line direction sequential of the array in the Touch Zone, wherein respectively the electrode strip group includes that N items are electrically connected to each other
Electrode strip, and respectively respectively electrode strip of the electrode strip group extends along the column direction of the array and is arranged respectively with corresponding one such
Electrode is overlapped on a upright projection direction；And
One insulating layer is set between first conductive layer and second conductive layer.
2. bilayer mutual-capacitive touch panel as described in claim 1, which is characterized in that include separately a plurality of conducting wire, be set to this
In peripheral region, and respectively such electrode strip of the respectively electrode strip group is electrically connected in the conducting wire.
3. bilayer mutual-capacitive touch panel as described in claim 1, which is characterized in that first conductive layer includes separately a plurality of the
One connecting line segment and a plurality of second connecting line segment, and respectively to be separately connected corresponding one first electrode serial for first connecting line segment
In two adjacent such electrodes, respectively second connecting line segment be separately connected corresponding one second electrode it is serial in two it is adjacent should
Equal electrodes.
4. bilayer mutual-capacitive touch panel as claimed in claim 3, which is characterized in that respectively first connecting line segment is in the array
Line direction on be not overlapped with the serial such electrode of the corresponding first electrode, and respectively second connecting line segment in the row of array
It is not overlapped with the serial such electrode of the corresponding second electrode on direction.
5. bilayer mutual-capacitive touch panel as claimed in claim 3, which is characterized in that respectively first connecting line segment is in the array
Line direction on be overlapped with the serial such electrode of the corresponding first electrode, and respectively second connecting line segment in the row side of array
It is overlapped upwards with the serial such electrode of the corresponding second electrode.
6. bilayer mutual-capacitive touch panel as described in claim 1, which is characterized in that be located at and arranged with (N*M) -1 in a line
Respectively electrodes of the respectively electrode and N*M row have a displacement, and respectively such electricity of the electrode strip group on the line direction of the array
Pole item has the displacement on the line direction of the array.
7. bilayer mutual-capacitive touch panel as described in claim 1, which is characterized in that respectively the electrode strip includes multiple along this
The column direction of array sequentially concatenated cross-shaped formation.
8. bilayer mutual-capacitive touch panel as claimed in claim 7, which is characterized in that respectively two such crosses of the electrode strip
Shape portion is overlapped with corresponding one electrode.
9. bilayer mutual-capacitive touch panel as claimed in claim 7, which is characterized in that second conductive layer includes separately multiple the
One floating electrode is respectively arranged between wantonly two is adjacent and such cross-shaped formation for being connected to each other.
10. bilayer mutual-capacitive touch panel as claimed in claim 7, which is characterized in that second conductive layer includes separately multiple
Second floating electrode is set between wantonly two adjacent such electrode strips.
11. bilayer mutual-capacitive touch panel as described in claim 1, which is characterized in that respectively the electrode strip includes multiple trepannings,
Sequentially arranged along the column direction of the array.
12. bilayer mutual-capacitive touch panel as claimed in claim 11, which is characterized in that respectively respectively trepanning of the electrode strip point
It is not overlapped with corresponding one electrode.
13. bilayer mutual-capacitive touch panel as claimed in claim 11, which is characterized in that second conductive layer includes separately multiple
Third floating electrode is respectively arranged in such trepanning.
14. bilayer mutual-capacitive touch panel as claimed in claim 11, which is characterized in that second conductive layer includes separately multiple
4th floating electrode is set between wantonly two adjacent such electrode strips.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710107040.XA CN108509092B (en) | 2017-02-27 | 2017-02-27 | Double-layer mutual capacitance type touch panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710107040.XA CN108509092B (en) | 2017-02-27 | 2017-02-27 | Double-layer mutual capacitance type touch panel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108509092A true CN108509092A (en) | 2018-09-07 |
| CN108509092B CN108509092B (en) | 2021-03-12 |
Family
ID=63373061
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710107040.XA Active CN108509092B (en) | 2017-02-27 | 2017-02-27 | Double-layer mutual capacitance type touch panel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108509092B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111857412A (en) * | 2020-06-30 | 2020-10-30 | 武汉天马微电子有限公司 | Display panel and display device |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103902118A (en) * | 2012-12-24 | 2014-07-02 | 宏达国际电子股份有限公司 | Touch panel |
| CN104035624A (en) * | 2014-06-30 | 2014-09-10 | 上海天马微电子有限公司 | Touch layer, touch panel, touch device, display panel and display device |
| CN104461205A (en) * | 2014-12-23 | 2015-03-25 | 深圳欧菲光科技股份有限公司 | Touch screen |
| CN104571666A (en) * | 2013-10-28 | 2015-04-29 | 宸鸿科技(厦门)有限公司 | Touch panel and touch electrode structure thereof |
| CN104765499A (en) * | 2015-04-15 | 2015-07-08 | 合肥京东方光电科技有限公司 | Touch screen and touch device |
| CN104898904A (en) * | 2014-03-05 | 2015-09-09 | 义隆电子股份有限公司 | Single-layer capacitive touch panel, electrode group thereof and scanning method |
| CN204808293U (en) * | 2015-07-10 | 2015-11-25 | 敦泰电子有限公司 | Electronic equipment and individual layer each other holds formula touch -sensitive screen thereof |
| CN105446512A (en) * | 2014-08-08 | 2016-03-30 | 宸鸿科技(厦门)有限公司 | Touch electrode structure and touch panel applying same |
| CN105573554A (en) * | 2015-12-31 | 2016-05-11 | 厦门天马微电子有限公司 | Touch display panel |
| WO2016123963A1 (en) * | 2015-02-02 | 2016-08-11 | 京东方科技集团股份有限公司 | In-cell touch screen, touch detection method and display device |
| CN105867004A (en) * | 2016-06-16 | 2016-08-17 | 上海天马微电子有限公司 | Touch-control raster box, driving method thereof, and touch-control three-dimensional display panel |
| CN205983421U (en) * | 2016-05-20 | 2017-02-22 | 深圳市汇顶科技股份有限公司 | Touch -sensitive screen sensing pattern and capacitive touch sensor |
| CN206470732U (en) * | 2017-02-27 | 2017-09-05 | 晨星半导体股份有限公司 | Double-deck mutual-capacitive touch panel |
-
2017
- 2017-02-27 CN CN201710107040.XA patent/CN108509092B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103902118A (en) * | 2012-12-24 | 2014-07-02 | 宏达国际电子股份有限公司 | Touch panel |
| CN104571666A (en) * | 2013-10-28 | 2015-04-29 | 宸鸿科技(厦门)有限公司 | Touch panel and touch electrode structure thereof |
| CN104898904A (en) * | 2014-03-05 | 2015-09-09 | 义隆电子股份有限公司 | Single-layer capacitive touch panel, electrode group thereof and scanning method |
| CN104035624A (en) * | 2014-06-30 | 2014-09-10 | 上海天马微电子有限公司 | Touch layer, touch panel, touch device, display panel and display device |
| CN105446512A (en) * | 2014-08-08 | 2016-03-30 | 宸鸿科技(厦门)有限公司 | Touch electrode structure and touch panel applying same |
| CN104461205A (en) * | 2014-12-23 | 2015-03-25 | 深圳欧菲光科技股份有限公司 | Touch screen |
| WO2016123963A1 (en) * | 2015-02-02 | 2016-08-11 | 京东方科技集团股份有限公司 | In-cell touch screen, touch detection method and display device |
| CN104765499A (en) * | 2015-04-15 | 2015-07-08 | 合肥京东方光电科技有限公司 | Touch screen and touch device |
| CN204808293U (en) * | 2015-07-10 | 2015-11-25 | 敦泰电子有限公司 | Electronic equipment and individual layer each other holds formula touch -sensitive screen thereof |
| CN105573554A (en) * | 2015-12-31 | 2016-05-11 | 厦门天马微电子有限公司 | Touch display panel |
| CN205983421U (en) * | 2016-05-20 | 2017-02-22 | 深圳市汇顶科技股份有限公司 | Touch -sensitive screen sensing pattern and capacitive touch sensor |
| CN105867004A (en) * | 2016-06-16 | 2016-08-17 | 上海天马微电子有限公司 | Touch-control raster box, driving method thereof, and touch-control three-dimensional display panel |
| CN206470732U (en) * | 2017-02-27 | 2017-09-05 | 晨星半导体股份有限公司 | Double-deck mutual-capacitive touch panel |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111857412A (en) * | 2020-06-30 | 2020-10-30 | 武汉天马微电子有限公司 | Display panel and display device |
| CN111857412B (en) * | 2020-06-30 | 2022-07-26 | 武汉天马微电子有限公司 | Display panel and display device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108509092B (en) | 2021-03-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| TWI605375B (en) | Double-layer mutual capacitive touch panel | |
| US9372360B2 (en) | Touch liquid crystal display device | |
| US10152181B2 (en) | Touch display device and driving method thereof | |
| CN108920010B (en) | Touch screen and OLED display panel | |
| CN206470732U (en) | Double-deck mutual-capacitive touch panel | |
| TWI617963B (en) | Touch sensor panel with in-plane backup bypass connections | |
| JP2009230735A (en) | Touch panel device | |
| US10175836B2 (en) | Conductive sheet, touch panel device, and display device | |
| US10884567B2 (en) | Circuit and method for driving touch substrate, touch device and operating method of the same | |
| TWI557621B (en) | Touch panel | |
| CN105807979A (en) | Embedded touch control display panel | |
| CN110442274A (en) | Touch panel with narrow frame | |
| TW201809983A (en) | Touch panel | |
| CN102135833A (en) | Touch panel | |
| KR101433052B1 (en) | Mutual capacitance touch sensing panel | |
| TWI655571B (en) | Mutual touch panel | |
| WO2016155063A1 (en) | Self-capacitive touch screen structure, embedded touch screen and liquid crystal display | |
| TWI611328B (en) | Touch display panel | |
| TWI631503B (en) | Mutual capacitive touch panel with double-layer electrode structures | |
| JP6539190B2 (en) | Touch detection device and display device with touch detection function | |
| CN106855765A (en) | The mutual capacitance type touch sensor of contact panel | |
| TWI545491B (en) | Touch panel and production method thereof | |
| CN105739805A (en) | Resistive touch panel, composite touch panel, method of driving touch panel, and display apparatus | |
| CN109857273A (en) | Touch device | |
| US20230341979A1 (en) | Display device, touch panel and manufacturing method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20181218 Address after: Taiwan Hsinchu County China jhubei City, Taiwan two yuan Street No. 1 10 floor 1 Applicant after: ILI TECHNOLOGY Corp. Address before: 1/2, 4th floor, 26 Taiyuan Street, Zhubei City, Hsinchu County, Taiwan, China Applicant before: MStar Semiconductor Co., Ltd. |
|
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20201222 Address after: P.O. Box, Hong court, Furong Road, 802 Sai Wan Road, Grand Cayman Islands Applicant after: Yili Technology (Cayman) Co.,Ltd. Address before: 1, 10th floor, No.1, Taiyuan 2nd Street, Zhubei City, Xinzhu County, Taiwan, China Applicant before: ILI TECHNOLOGY Corp. |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220507 Address after: Hsinchu County, Taiwan, China Patentee after: ILI TECHNOLOGY Corp. Address before: P.O. Box, Hong court, Furong Road, 802 Sai Wan Road, Grand Cayman Islands Patentee before: Yili Technology (Cayman) Co.,Ltd. |
|
| TR01 | Transfer of patent right |