CN110058745A - Touch induction device and touch panel - Google Patents
Touch induction device and touch panel Download PDFInfo
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- CN110058745A CN110058745A CN201910340232.4A CN201910340232A CN110058745A CN 110058745 A CN110058745 A CN 110058745A CN 201910340232 A CN201910340232 A CN 201910340232A CN 110058745 A CN110058745 A CN 110058745A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
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- General Physics & Mathematics (AREA)
- Position Input By Displaying (AREA)
Abstract
The invention discloses a kind of touch induction device and touch panels.Touch induction device includes substrate and inductive layer, and wherein inductive layer includes: multiple first electrodes, and each first electrode includes concatenated multiple first electrode blocks；Multiple second electrodes, each second electrode include concatenated multiple second electrode blocks.Wherein, the adjacent first electrode block for being connected on same first electrode passes through at least one set of first interconnection structure electrical connection, first interconnection structure includes the first link block, first link block is arranged in insulate in the common adjacent second electrode block of adjacent first electrode block and with second electrode block, and the first link block is electrically connected with adjacent first electrode block.The touch induction device of the embodiment of the present invention increases capacitive sensing amount while realizing the electrical connection of adjacent first electrode block by the first interconnection structure, and then can obtain the beneficial effects such as the sensitivity generated based on increase capacitive sensing amount is improved, report point rate improves.
Description
Technical field
The present invention relates to touch sensible fields, and in particular to a kind of touch induction device and touch panel.
Background technique
With the continuous development of touch screen, touch panel is gradually widely used in field of terminal equipment.Touch surface
Plate can divide into resistance-type, condenser type, optical profile type, acoustic wave etc. according to induction technology difference, and wherein capacitance type touch-control panel wraps again
Include self-capacitance and mutual capacitance type.
In relevant mutual capacitance type touch control equipment, usually by forming the mutual capacitance battle array with certain pattern in glass surface
Column, to realize the multiple point touching of touch control device.In mutual capacitance type touch control equipment, the capacitive sensing amount of each mutual capacitance is to influence
The base values of touch control device various aspects touch-control performance.
Therefore, it is desirable to a kind of higher touch induction device of capacitive sensing amount.
Summary of the invention
The present invention provides a kind of touch induction device and touch panel, improves the capacitive sensing amount in touch induction device.
On the one hand, the embodiment of the present invention provides a kind of touch induction device, substrate；And inductive layer, it is located on substrate,
Middle inductive layer includes: multiple first electrodes, and each first electrode extends in a first direction, and each first electrode includes concatenated more
A first electrode block；Multiple second electrodes, with multiple first electrode insulation sets, each second electrode extends in a second direction,
Each second electrode includes concatenated multiple second electrode blocks, and second direction is intersected with first direction, wherein is connected on same
The adjacent first electrode block of one electrode passes through at least one set of first interconnection structure electrical connection, and the first interconnection structure includes the first connection
Block, the first link block is arranged in insulate in the common adjacent second electrode block of adjacent first electrode block and with second electrode block,
First link block is electrically connected with adjacent first electrode block.
According to an aspect of an embodiment of the present invention, the adjacent second electrode block of same second electrode is connected on by least
The electrical connection of one group of second interconnection structure, the second interconnection structure include the second link block, and the setting of the second link block is with adjacent second
It insulate in the common adjacent first electrode block of electrode block and with first electrode block, the second link block is electrically connected with adjacent second electrode block
It connects.
According to an aspect of an embodiment of the present invention, second electrode block is provided with and can accommodate the first of the first link block and open
Mouthful, the shape of the first opening is matched with the shape of the first link block accommodated, and the contour line of the first opening and first connects
Connecing has gap between the outside boundary line of block；And/or first electrode block is provided with and can accommodate the second of the second link block and open
Mouthful, the shape of the second opening is matched with the shape of the second link block accommodated, and the contour line of the second opening and second connects
Connecing has gap between the outside boundary line of block.
According to an aspect of an embodiment of the present invention, every group of first interconnection structure includes electrically connecting as cascaded structure at least
Two the first link blocks, the first the first link block is electrically connected to one in adjacent first electrode block, series connection in cascaded structure
The first link block of last bit is electrically connected to another in adjacent first electrode block in structure；And/or every group of second interconnection structure
At least two second link blocks including electrically connecting as cascaded structure, the second the first link block is electrically connected to phase in cascaded structure
One in adjacent second electrode block, the second link block of last bit is electrically connected to another in adjacent second electrode block in cascaded structure
It is a.
According to an aspect of an embodiment of the present invention, touch induction device further include: the one of inductive layer is arranged in insulating layer
Side surface, the first interconnection structure further include at least one first conducting wire, and the first conducting wire is located at the side that insulating layer deviates from inductive layer
The one end on surface, each first conducting wire is connected to first link block that the first interconnection structure includes, the other end by via hole
First electrode block is connected to by via hole or another first link block that the first interconnection structure includes is connected to by via hole；
And/or second interconnection structure further include at least one second conducting wire, the second conducting wire is located at the side table that insulating layer deviates from inductive layer
The one end in face, each second conducting wire is connected to second link block that the second interconnection structure includes by via hole, and the other end is logical
Via hole is connected to second electrode block or is connected to another second link block that the second interconnection structure includes by via hole.
According to an aspect of an embodiment of the present invention, the outside boundary line of each first link block includes at least one section of broken line
Section；And/or the outside boundary line of each second link block includes at least one section of broken line.
According to an aspect of an embodiment of the present invention, broken line is zigzag broken line.
According to an aspect of an embodiment of the present invention, first electrode block is diamond shape, and one in adjacent first electrode block the
One jiao of one jiao of one electrode block and another first electrode block is opposite and is spaced apart, and second electrode block is diamond shape, and adjacent the
One jiao of one jiao of a second electrode block in two electrode blocks and another second electrode block is opposite and is spaced apart.
According to an aspect of an embodiment of the present invention, the center for being connected on multiple first electrode blocks of same first electrode is total
Line is in the first extension line, and at every adjacent first electrode block, the two sides of the first extension line are symmetrically distributed with and adjacent first electrode
The common two adjacent second electrode blocks of block, adjacent first electrode block are electrically connected by the first interconnection structure of at least two groups, at least
Two group of first interconnection structure is arranged symmetrically about the first extension line；And/or it is connected on multiple second electrodes of same second electrode
The center of block is collinear in the second extension line, and at every adjacent second electrode block, the two sides of the second extension line are symmetrically distributed with and phase
The common two adjacent first electrode blocks of adjacent second electrode block, adjacent second electrode block pass through the second interconnection structure of at least two groups electricity
Connection, the second interconnection structure of at least two groups are arranged symmetrically about the second extension line.
On the other hand, the embodiment of the present invention provides a kind of touch panel comprising the touch sense of any of the above-described embodiment
Answer device.
Touch induction device and touch panel according to an embodiment of the present invention are connected on adjacent the first of same first electrode
Electrode block passes through at least one set of first interconnection structure electrical connection.Wherein, the first interconnection structure includes the first link block, the first connection
Block is arranged in insulate in the common adjacent second electrode block of adjacent first electrode block and with second electrode block, the first link block with
Adjacent first electrode block electrical connection, so that first link block has electrical property identical with first electrode block.Further, first
Link block due to have electrical property identical with first electrode block so as to form capacitor between the second electrode block on periphery, from
And increase capacitive sensing amount.The same of the electrical connection of adjacent first electrode block is realized in the embodiment of the present invention by the first interconnection structure
When increase capacitive sensing amount, and then can obtain based on increase capacitive sensing amount and such as sensitivity that generates improve, report point
The beneficial effects such as rate raising.
Detailed description of the invention
By reading detailed description of non-limiting embodiments referring to the drawings, other feature of the invention,
Objects and advantages will become more apparent upon, wherein the same or similar appended drawing reference indicates the same or similar feature, and attached drawing is simultaneously
It is not drawn according to actual ratio.
Fig. 1 shows the structural schematic diagram of touch induction device according to a first embodiment of the present invention；
Fig. 2 shows the partial structural diagrams of inductive layer in touch induction device according to a first embodiment of the present invention；
Fig. 3 show touch induction device according to a first embodiment of the present invention in Fig. 2 BB to schematic cross-section；
Fig. 4 shows the partial structural diagram of inductive layer in touch induction device according to a second embodiment of the present invention；
Fig. 5 shows the partial structural diagram of inductive layer in touch induction device according to a third embodiment of the present invention.
Specific embodiment
The feature and exemplary embodiment of various aspects of the invention is described more fully below, in order to make mesh of the invention
, technical solution and advantage be more clearly understood, below in conjunction with drawings and the specific embodiments, the present invention is carried out further detailed
Description.It should be understood that specific embodiment described herein is only configured to explain the present invention, it is not configured as limiting this hair
It is bright.To those skilled in the art, the present invention can be in the case where not needing some details in these details
Implement.The description of embodiment is preferably managed just for the sake of being provided by showing example of the invention of the invention below
Solution.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence " including ... ", it is not excluded that including
There is also other identical elements in the process, method, article or equipment of the element.
The embodiment of the present invention provides a kind of touch induction device, and Fig. 1 shows touch sense according to a first embodiment of the present invention
Answer the structural schematic diagram of device.Touch induction device may include substrate 100 and the inductive layer 200 on substrate 100,
In some embodiments, touch induction device can also include the protective layer (not being painted in Fig. 1) on inductive layer 200.It needs
Illustrate, clearly to show inductive layer 200, is painted other layers of structure steganography on inductive layer 200 in Fig. 1.
Substrate 100 can be the transparent insulating substrate such as glass, in some embodiments, it is also possible to be opaque base
Plate.Furthermore in some embodiments, it is also possible to using the semi-finished product of complete display panel or display panel as of the invention real
Apply the substrate 100 of example.
Inductive layer 200 includes multiple first electrodes 210 and multiple second electrodes 220.Each first electrode 210 is along first
Direction X extends, and each first electrode 210 includes concatenated multiple first electrode blocks 211.Multiple second electrodes 220 and multiple the
One electrode, 210 insulation set, Y extends each second electrode 220 in a second direction, and each second electrode 220 includes concatenated more
A second electrode block 221, second direction Y intersect with first direction X.
In Fig. 1, the extending direction of a first electrode 210 is shown with the first extension line L1, is shown with the second extension line L2
The extending direction of one second electrode 220.It below in an example, will be driving electrodes, second electrode with first electrode 210
220 are illustrated for induction electrode；In other embodiments, the two electrically can be interchanged, that is, also can be set
One electrode 210 is induction electrode, and second electrode 220 is driving electrodes.In some embodiments, second direction Y and first direction X
It can be vertical.
First electrode 210 can including multiple second electrode blocks 221 that multiple first electrode blocks 211, second electrode 220 include
To be made of patterned conductive material.In some embodiments, first electrode block 211, second electrode block 221 can be oxidation
Indium tin (Indium tin oxide, ITO), metal grill, such as the nano metal line of silver nanowires (AgNW), graphene thoroughly
The higher material of light rate is made, to allow backlight display while realizing touch sensible.In some other embodiment, first
Electrode block 211, second electrode block 221 material can be nontransparent conductive material, such as when touch induction device is applied to
When Trackpad without display function, first electrode block 211, second electrode block 221 can be made with some conductive metal materials.
Such as Fig. 1, in some embodiments, multiple first electrodes 210, multiple second electrodes 220 can be respectively by respective
Corresponding lead-out wire 280 is connected to the binding area 290 being arranged on substrate 100.Touch induction device can by binding area 290 with
External touch control circuit connection, and multiple first electrodes 210, second electrode 220 are respectively corresponding to touch control electricity
The correspondence signal path on road, to form touch device.For example, multiple first electrodes 210 are connected to touch control circuit
Multiple second electrodes 220 are connected to the letter of the inductive signal (RX) of touch control circuit by the signal path of driving signal (TX)
Number channel.
Fig. 2 shows the partial structural diagram of inductive layer in touch induction device according to a first embodiment of the present invention,
In Fig. 2 shows the partial enlargement structures of a-quadrant in Fig. 1.Have between first electrode block 211 and second electrode block 221 preset
Gap 270, so that the two mutually insulated, in some embodiments, the preset gap 270 can be 3 microns to 300 microns,
And it is needed and is designed to need to be sized according to actual process.
First electrode in each first electrode 210 and the cross one another position of second electrode 220, first electrode 210
Mutual capacitance is formed between the outer boundary of second electrode block 221 in the outer boundary second electrode 220 of block 211, generates capacitive sensing
Amount.Multiple first electrodes 210 are intersected with the insulation of multiple second electrodes 220, to form mutual capacitance array.
When finger or some other objects touch touch induction device, the capacitance of the mutual capacitance near touch point is sent out
It is raw to change.In detection-phase, first electrode 210 receives the pumping signal that touch device issues, the touch control in touch device
Circuit can by being detected to obtain the variable quantity of the capacitance of position in mutual capacitance array to second electrode 220, from
And know the coordinate of each touch point.
First electrode block 211, second electrode block 221 shape can be the shapes such as diamond shape, rectangle, triangle.This implementation
It is diamond shape with first electrode block 211, second electrode block 221 in 200 interior zone of inductive layer in example, is in inductive layer 200
First electrode block 211, the second electrode block 221 of fringe region are said for triangle (half of substantially aforementioned diamond shape)
It is bright.In some other embodiment, first electrode block 211, second electrode block 221 shape can be according to needing to adjust.
Such as Fig. 2, wherein in the present embodiment, being connected on the adjacent first electrode block 211 of same first electrode 210 by extremely
Few one group of first interconnection structure 230 is electrically connected.First interconnection structure 230 includes the first link block 231, and the first link block 231 is set
Set with the common adjacent second electrode block 221 of adjacent first electrode block 211 in and insulate with second electrode block 221, first connects
Block 231 is connect to be electrically connected with adjacent first electrode block 211.
Touch induction device according to an embodiment of the present invention, due to the first link block 231 and 211 electricity of adjacent first electrode block
Connection, so that first link block 231 has electrical property identical with first electrode block 211.Further, the first link block 231
It is located in region shared by second electrode block 221 again, so as to form capacitor between the second electrode block 221 on periphery, thus
Increase capacitive sensing amount.The electrical connection of adjacent first electrode block 211 is realized in the embodiment of the present invention by the first interconnection structure 230
While increase capacitive sensing amount, and then can obtain based on increase capacitive sensing amount and such as sensitivity that generates improve,
The beneficial effects such as report point rate raising.
In the present embodiment, the adjacent second electrode block 221 for being connected on same second electrode 220 passes through at least one set second
Interconnection structure 240 is electrically connected.Second interconnection structure 240 include the second link block 241, the second link block 241 setting with it is adjacent
It insulate in the common adjacent first electrode block 211 of second electrode block 221 and with first electrode block 211, the second link block 241 and phase
Adjacent second electrode block 221 is electrically connected, so that second link block 241 has electrical property identical with second electrode block 221.Further
Ground, the second link block 241 are located in region shared by first electrode block 211 again, so as to the first electrode block 211 with periphery it
Between form capacitor, to further increase capacitive sensing amount.In the embodiment of the present invention by the second interconnection structure 240 realize it is adjacent
Capacitive sensing amount is increased while the electrical connection of second link block 241, further increases based on capacitive sensing amount is increased and produces
Raw beneficial effect.
Such as Fig. 2, second electrode block 221 is provided with the first opening 222 that can accommodate the first link block 231, the first opening
222 shape is matched with the shape of the first link block 231 accommodated, and the contour line of the first opening 222 is connect with first
There is gap between the outside boundary line of block 231, thus realize the insulation of the first link block 231 and second electrode block 221, and
Capacitor is formed between the contour line of first opening 222 in the outside boundary line and second electrode block 221 of the first link block 231, is improved
Capacitive sensing amount.
In some embodiments, first electrode block 211 is provided with the second opening 212 that can accommodate the second link block 241,
Second opening 212 shape match with the shape of the second link block 241 accommodated, and second be open 212 contour line and
There is gap, to realize the exhausted of the second link block 241 and first electrode block 211 between the outside boundary line of second link block 241
Edge, and formed between the outside boundary line of the second link block 241 and the contour line of the second opening 212 of first electrode block 211
Capacitor improves capacitive sensing amount.
In the present embodiment, the first link block 231 is the rectangular block being generally rectangular shaped, in some other embodiment, the
The shape of one link block 231 can be without being limited thereto.In the present embodiment, the second link block 241 is also the rectangle being generally rectangular shaped
Block, in some other embodiment, the shape of the second link block 241 can also be without being limited thereto.
In the present embodiment, first electrode block 211 is diamond shape, a first electrode block 211 in adjacent first electrode block 211
One jiao with one jiao of another first electrode block 211 it is opposite and be spaced apart.Second electrode block 221 be diamond shape, adjacent second
One jiao of one jiao of a second electrode block 221 in electrode block 221 and another second electrode block 221 is opposite and separates and sets
It sets.
As Fig. 1 and Fig. 2 are connected in multiple first electrode blocks 211 of same first electrode 210 in the present embodiment
The heart is collinear in the first extension line L1.
In some embodiments, at every adjacent first electrode block 211, the two sides of the first extension line L1 be symmetrically distributed with
The common two adjacent second electrode blocks 221 of adjacent first electrode block 211, adjacent first electrode block 211 pass through at least two groups the
The electrical connection of one interconnection structure 230, the first interconnection structure of at least two groups 230 are arranged symmetrically about the first extension line L1.Such as Fig. 2 institute
Show in embodiment, adjacent first electrode block 211 is electrically connected by two group of first interconnection structure 230, two group of first interconnection structure
230 are arranged symmetrically about the first extension line L1, to improve adjacent first while increasing the capacitive sensing amount of inductive layer 200
The stability being electrically connected between electrode block 211.
As Fig. 1 and Fig. 2 are connected in multiple second electrode blocks 221 of same second electrode 220 in the present embodiment
The heart is collinear in the second extension line L2.
In some embodiments, at every adjacent second electrode block 221, the two sides of the second extension line L2 be symmetrically distributed with
The common two adjacent first electrode blocks 211 of adjacent second electrode block 221, adjacent second electrode block 221 pass through at least two groups the
The electrical connection of two interconnection structures 240, the second interconnection structure of at least two groups 240 are arranged symmetrically about the second extension line L2.Such as Fig. 2 institute
Show in embodiment, adjacent second electrode block 221 is electrically connected by two group of second interconnection structure 240, two group of second interconnection structure
240 are arranged symmetrically about the second extension line L2, to improve adjacent second while increasing the capacitive sensing amount of inductive layer 200
The stability being electrically connected between electrode block 221.
Fig. 3 show touch induction device according to a first embodiment of the present invention in Fig. 2 BB to schematic cross-section.At this
In embodiment, touch induction device can also include insulating layer 250, and a side surface of inductive layer 200 is arranged in insulating layer 250,
In the present embodiment, the side surface away from substrate 100 of inductive layer 200 is arranged in insulating layer 250.In some other embodiment
In, insulating layer 250 also can be set in the side surface towards substrate 100 of inductive layer 200.
First interconnection structure 230 can also include at least one first conducting wire 232, and the first conducting wire 232 is located at insulating layer 250
Away from a side surface of inductive layer 200.One end of each first conducting wire 232 is connected to the first interconnection structure 230 packet by via hole
First link block 231 included, the other end are connected to first electrode block 211 by via hole, to realize the first link block 231
With being electrically connected for first electrode block 211.In some other embodiment, every group of first interconnection structure 230 may include electrical connection
For at least two first link blocks 231 of cascaded structure, the first conducting wire 232 is also configurable to one end and is connected to by via hole
First link block 231 that one interconnection structure 230 includes, the other end are connected to the first interconnection structure 230 by via hole and include
Another first link block 231, to realize the electrical connection of two neighboring first link block 231 in cascaded structure.
In some embodiments, the first conducting wire 232 can be using the production of the metal materials such as Mo, MoAlMo, TiAlTi；One
In a little embodiments, the first conducting wire 232 can also be made of such as ITO transparent conductive material.
In some embodiments, the second interconnection structure 240 further includes at least one second conducting wire 242, the second 242, conducting wire
Deviate from a side surface of inductive layer 200 in insulating layer 250.One end of each second conducting wire 242 is connected to second mutually by via hole
Connection structure 240 second link block 241 including, the other end are connected to second electrode block 221 by via hole, thus realization the
Two link blocks 241 are electrically connected with second electrode block 221.In some other embodiment, every group of second interconnection structure 240 can be with
At least two second link blocks 241 including electrically connecting as cascaded structure, the second conducting wire 242 are also configurable to one end and passed through
Hole is connected to second link block 241 that the second interconnection structure 240 includes, and the other end is connected to the second mutually connection by via hole
Another second link block 241 that structure 240 includes, to realize the electrical connection of two neighboring second link block 241 in cascaded structure.
Second conducting wire 242 can be using the production of the metal materials such as Mo, MoAlMo, TiAlTi, can also be saturating using such as ITO
Bright conductive material production.
In the aforementioned embodiment, every group of first interconnection structure 230 includes first link block 231, however every group first
The quantity for the first link block 231 that interconnection structure 230 includes can be without being limited thereto.Similarly, every group of second interconnection structure 240 includes
The quantity of the second link block 241 can also be not limited to the above embodiments.
In some embodiments, touch induction device can also include protective layer 260, and protective layer 260 is located at above-mentioned sense
It answers layer 200, insulating layer 250, the first conducting wire 232, on the second conducting wire 242 and cover at least partly inductive layer 200, insulating layer
250, the first conducting wire 232, the second conducting wire 242, to provide protection.
Fig. 4 shows the partial structural diagram of inductive layer in touch induction device according to a second embodiment of the present invention, the
The general configuration of the touch induction device of two embodiments can be similar with the touch induction device of first embodiment, herein no longer in detail
It states.Different from the first embodiment in a second embodiment, every group of first interconnection structure 230 includes electrically connecting as tandem junction
At least two first link blocks 231 of structure with every group of first interconnection structure 230 include electrically connecting as going here and there in embodiment illustrated in fig. 4
It is illustrated for three the first link blocks 231 of connection structure.
Wherein, the first link block 231 the first in cascaded structure is electrically connected to one in adjacent first electrode block 211,
The first link block 231 of last bit is electrically connected to another in adjacent first electrode block 211 in cascaded structure, so that adjacent
One electrode block 211 is electrically connected to each other by concatenated multiple first link blocks 231.Meanwhile the first of the setting of second electrode block 221
The quantity of opening 222 can be corresponding with the quantity of the first link block 231.
According to the touch induction device of the present embodiment, every group of first interconnection structure 230 includes at least two first link blocks
231, the outside boundary line of each first link block 231 it is corresponding on second electrode block 221 first opening 222 contour line between shape
At capacitor, to increase the quantity for forming capacitor, capacitive sensing amount is further increased.
Touch induction device can also include insulating layer, and a side surface of inductive layer 200 is arranged in insulating layer.First interconnection
Structure 230 can also include at least one first conducting wire 232, and the first conducting wire 232 is located at insulating layer 250 away from inductive layer 200
One side surface.One end of first conducting wire 232 is connected to first link block that the first interconnection structure 230 includes by via hole
231, the other end is connected to first electrode block 211 by via hole, to realize the first link block 231 and first electrode block 211
Electrical connection.Alternatively, one end of the first conducting wire 232 is connected to one first connection that the first interconnection structure 230 includes by via hole
Block 231, the other end is connected to another first link block 231 that the first interconnection structure 230 includes by via hole, to realize series connection
The electrical connection of two neighboring first link block 231 in structure.
Such as Fig. 4, in some embodiments, every group of second interconnection structure 240 includes electrically connecting as at least the two of cascaded structure
A second link block 241, such as every group of first interconnection structure 230 include three the first link blocks 231.It is the first in cascaded structure
Second link block 241 is electrically connected to one in adjacent second electrode block 221, the second link block 241 of last bit in cascaded structure
It is electrically connected to another in adjacent second electrode block 221, so that adjacent second electrode block 221 passes through concatenated multiple second
Link block 241 is electrically connected to each other.Meanwhile the quantity of the second opening 212 of the setting of first electrode block 211 can be with the second link block
241 quantity is corresponding.
According to the touch induction device of the present embodiment, every group of second interconnection structure 240 includes at least two second link blocks
241, the outside boundary line of each second link block 241 it is corresponding on first electrode block 211 second opening 212 contour line between shape
At capacitor, to increase the quantity for forming capacitor, capacitive sensing amount is further increased.
In some embodiments, the second interconnection structure 240 further includes at least one second conducting wire 242, the second 242, conducting wire
Deviate from a side surface of inductive layer 200 in insulating layer 250.One end of second conducting wire 242 is connected to the second mutually connection by via hole
Second link block 241 that structure 240 includes, the other end are connected to second electrode block 221 by via hole, to realize that second connects
Connect being electrically connected for block 241 and second electrode block 221.Alternatively, one end of the second conducting wire 242 is connected to the second mutually connection by via hole
Second link block 241 that structure 240 includes, the other end be connected to that the second interconnection structure 240 includes by via hole another
Two link blocks 241, to realize the electrical connection of two neighboring second link block 241 in cascaded structure.
The shape of first link block 231 is also possible to the rules such as hexagon, triangle other than being configurable to rectangular block
Shape, in some other embodiment, the shape of the first link block 231 can also be some irregular shapes.Similarly, second connects
It connects the shape of block 241 and is also possible to the regular shapes such as hexagon, triangle other than being configurable to rectangular block, or at it
In its some embodiment, the shape of the first link block 231 can also be some irregular shapes.
Fig. 5 shows the partial structural diagram of inductive layer in touch induction device according to a third embodiment of the present invention, the
The general configuration of the touch induction device of three embodiments can be similar with the touch induction device of 3rd embodiment, herein no longer in detail
It states.Different from the first embodiment in the third embodiment, the outside boundary line of each first link block 231 includes at least one
Section broken line, to obtain longer outside boundary line on occupying the first link block 231 of the same area.Each first link block
231 form the capacitive sensing amount of capacitor with the second electrode block 221 on periphery and the outside boundary line of first link block 231 is in positive
It closes, in the present embodiment, each first link block 231 obtains longer outside boundary line, thus with periphery second electrode block 221
The capacitive sensing amount for forming capacitor is further promoted.
In some embodiments, the outside boundary line of each first link block 231 includes at least one section of zigzag broken line.This
Multiple hexagons that are generally shaped like of the first link block of each of embodiment 231 are spliced to form, to have two be oppositely arranged
The outside boundary line of indention polyline shaped.
In some embodiments, the outside boundary line of each second link block 241 also may include at least one section of broken line, from
And longer outside boundary line is obtained on occupying the second link block 241 of the same area.The outer boundary of each second link block 241
Line may include at least one section of zigzag broken line.The second link block of each of the present embodiment 241 is generally shaped like multiple six
Side shape is spliced to form, to have the outside boundary line for two indention polyline shapeds being oppositely arranged.
According to the touch induction device of the present embodiment, since each second link block 241 obtains longer outside boundary line,
To which the capacitive sensing amount for forming capacitor with periphery first electrode block 211 is further promoted.
The embodiment of the present invention also provides a kind of touch panel, may include the touch sensible dress of any of the above-described embodiment
It sets.Touch panel according to an embodiment of the present invention in touch induction device, is connected on adjacent the of same first electrode 210
One electrode block 211 passes through at least one set of first interconnection structure 230 electrical connection.Wherein, the first interconnection structure 230 includes the first connection
Block 231, the first link block 231 be arranged in in the common adjacent second electrode block 221 of adjacent first electrode block 211 and with second
Electrode block 221 insulate, and the first link block 231 is electrically connected with adjacent first electrode block 211, so that first link block 231 has
Electrical property identical with first electrode block 211.Further, the first link block 231 is identical with first electrode block 211 due to having
Electrically so as to form capacitor between the second electrode block 221 on periphery, to increase capacitive sensing amount.The embodiment of the present invention
In by the first interconnection structure 230 realize adjacent first electrode block 211 electrical connection while increase capacitive sensing amount, into
And the beneficial effects such as the sensitivity generated based on increase capacitive sensing amount is improved, report point rate improves can be obtained.
According to present invention embodiment as described above, these embodiments details all there is no detailed descriptionthe, also not
Limiting the invention is only the specific embodiment.Obviously, as described above, can make many modifications and variations.This explanation
These embodiments are chosen and specifically described to book, is principle and practical application in order to better explain the present invention, thus belonging to making
Technical field technical staff can be used using modification of the invention and on the basis of the present invention well.The present invention is only by right
The limitation of claim and its full scope and equivalent.
Claims (10)
1. a kind of touch induction device characterized by comprising
Substrate；And
Inductive layer is located on the substrate,
Wherein the inductive layer includes:
Multiple first electrodes, each first electrode extend in a first direction, and each first electrode includes concatenated more
A first electrode block；
Multiple second electrodes, with multiple first electrode insulation sets, each second electrode extends in a second direction, often
A second electrode includes concatenated multiple second electrode blocks, and the second direction is intersected with the first direction,
Wherein, the adjacent first electrode block for being connected on the same first electrode passes through at least one set of first interconnection structure electricity
Connection, first interconnection structure include the first link block, first link block setting with the adjacent first electrode block
It insulate in the common adjacent second electrode block and with the second electrode block, first link block and adjacent described first
Electrode block electrical connection.
2. touch induction device according to claim 1, which is characterized in that be connected on the adjacent of the same second electrode
The second electrode block passes through at least one set of second interconnection structure electrical connection, and second interconnection structure includes the second link block,
Second link block be arranged in in the common adjacent first electrode block of the adjacent second electrode block and with first electricity
The insulation of pole block, second link block are electrically connected with the adjacent second electrode block.
3. touch induction device according to claim 2, which is characterized in that the second electrode block is provided with and can accommodate
First opening of first link block, the shape and the shape of first link block accommodated of first opening
Match, and there is gap between the contour line of first opening and the outside boundary line of first link block；
And/or the first electrode block is provided with the second opening that can accommodate second link block, second opening
Shape is matched with the shape of second link block accommodated, and the contour line of second opening is connect with described second
There is gap between the outside boundary line of block.
4. touch induction device according to claim 2, which is characterized in that the first interconnection structure described in every group includes being electrically connected
It is connected at least two first link blocks of cascaded structure, the first first link block electrical connection in the cascaded structure
To one in the adjacent first electrode block, first link block of last bit is electrically connected to adjacent institute in the cascaded structure
State another in first electrode block；
And/or the second interconnection structure described in every group includes at least two second link blocks for electrically connecting as cascaded structure, institute
One that second link block the first in cascaded structure is electrically connected in the adjacent second electrode block is stated, the tandem junction
Second link block of last bit is electrically connected to another in the adjacent second electrode block in structure.
5. touch induction device according to claim 4, which is characterized in that the touch induction device further include:
A side surface of the inductive layer is arranged in insulating layer,
First interconnection structure further includes at least one first conducting wire, and first conducting wire is located at the insulating layer away from described
One side surface of inductive layer, one end of each first conducting wire be connected to that first interconnection structure includes by via hole one
A first link block, the other end are connected to the first electrode block by via hole or are connected to described first by via hole
Another first link block that interconnection structure includes；
And/or second interconnection structure further includes at least one second conducting wire, second conducting wire is located at insulating layer back
One end of a side surface from the inductive layer, each second conducting wire is connected to the second interconnection structure packet by via hole
One included, second link block, the other end are connected to the second electrode block by via hole or are connected to institute by via hole
State another second link block that the second interconnection structure includes.
6. touch induction device according to claim 2, which is characterized in that the outside boundary line of each first link block
Including at least one section of broken line；
And/or the outside boundary line of each second link block includes at least one section of broken line.
7. touch induction device according to claim 6, which is characterized in that the broken line is zigzag broken line.
8. touch induction device according to claim 2, which is characterized in that the first electrode block is diamond shape, adjacent institute
State one jiao of a first electrode block in first electrode block with one jiao of first electrode block described in another it is opposite and every
It opens up and sets,
The second electrode block is diamond shape, one jiao of a second electrode block in the adjacent second electrode block with it is another
One jiao of a second electrode block is opposite and is spaced apart.
9. touch induction device according to claim 8, which is characterized in that be connected on the multiple of the same first electrode
The center of the first electrode block is collinear in the first extension line, at every adjacent first electrode block, first extension line
Two sides be symmetrically distributed with the common two adjacent second electrode blocks of the adjacent first electrode block, adjacent described first
Electrode block is electrically connected by the first interconnection structure described at least two groups, and the first interconnection structure described at least two groups is about described first
Extension line is arranged symmetrically；
And/or be connected on the centers of multiple second electrode blocks of the same second electrode and be collinear in the second extension line,
At per the adjacent second electrode block, the two sides of second extension line are symmetrically distributed with common with the adjacent second electrode block
The first electrode block of adjacent two, the adjacent second electrode block are electrically connected by the second interconnection structure described at least two groups
It connects, the second interconnection structure described at least two groups is arranged symmetrically about second extension line.
10. a kind of touch panel, which is characterized in that including touch induction device according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910340232.4A CN110058745B (en) | 2019-04-25 | 2019-04-25 | Touch sensing device and touch panel |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910340232.4A CN110058745B (en) | 2019-04-25 | 2019-04-25 | Touch sensing device and touch panel |
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| Publication Number | Publication Date |
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| CN110058745A true CN110058745A (en) | 2019-07-26 |
| CN110058745B CN110058745B (en) | 2022-09-23 |
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| CN201910340232.4A Active CN110058745B (en) | 2019-04-25 | 2019-04-25 | Touch sensing device and touch panel |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113220150A (en) * | 2020-01-21 | 2021-08-06 | 京东方科技集团股份有限公司 | Touch module, touch display panel and display device |
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| CN108984048A (en) * | 2017-06-01 | 2018-12-11 | 乐金显示有限公司 | Sensing unit including touch electrode and the display device using the sensing unit |
| CN109669573A (en) * | 2018-12-17 | 2019-04-23 | 上海天马有机发光显示技术有限公司 | Touch-control display panel and touch control display apparatus |
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| CN104182104A (en) * | 2013-05-27 | 2014-12-03 | 胜华科技股份有限公司 | Touch control panel |
| US20150205407A1 (en) * | 2014-01-22 | 2015-07-23 | Samsung Display Co., Ltd. | Touch screen panel |
| CN108984048A (en) * | 2017-06-01 | 2018-12-11 | 乐金显示有限公司 | Sensing unit including touch electrode and the display device using the sensing unit |
| CN108388368A (en) * | 2018-01-31 | 2018-08-10 | 上海天马微电子有限公司 | Touch display panel and touch display device |
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| CN113220150A (en) * | 2020-01-21 | 2021-08-06 | 京东方科技集团股份有限公司 | Touch module, touch display panel and display device |
| EP4095660A4 (en) * | 2020-01-21 | 2023-07-19 | BOE Technology Group Co., Ltd. | Touch module, touch display panel, and display device |
| CN113220150B (en) * | 2020-01-21 | 2023-09-26 | 京东方科技集团股份有限公司 | Touch module, touch display panel and display device |
| US12086338B2 (en) | 2020-01-21 | 2024-09-10 | Chengdu Boe Optoelectronics Technology Co., Ltd. | Touch module, touch display panel and display device |
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| Publication number | Publication date |
|---|---|
| CN110058745B (en) | 2022-09-23 |
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Application publication date: 20190726 Assignee: YUNGU (GU'AN) TECHNOLOGY Co.,Ltd.|BAZHOU YUNGU ELECTRONIC TECHNOLOGY Co.,Ltd.|KUNSHAN NEW FLAT PANEL DISPLAY TECHNOLOGY CENTER Co.,Ltd. Assignor: KUNSHAN GO-VISIONOX OPTO-ELECTRONICS Co.,Ltd. Contract record no.: X2019990000156 Denomination of invention: Touch sensing device and touch panel License type: Common License Record date: 20191030 |
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