CN105988616A - Touch control panel - Google Patents
Touch control panel Download PDFInfo
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- CN105988616A CN105988616A CN201510066972.5A CN201510066972A CN105988616A CN 105988616 A CN105988616 A CN 105988616A CN 201510066972 A CN201510066972 A CN 201510066972A CN 105988616 A CN105988616 A CN 105988616A
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- lead
- extension
- wire
- touch
- control sensing
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Abstract
The invention relates to the technical field of touch control, and provides a touch control panel which comprises a flexible substrate and a lead layer, wherein the flexible substrate comprises a touch control sensing part and an extension part; the extension part protrudes on one side of the touch control sensing part; the touch control sensing part comprises a touch control sensing area and a periphery area; the lead layer is arranged on the flexible substrate; the lead layer comprises a plurality of first leads connected with the touch control sensing area and a plurality of second leads connected with a control panel; the plurality of first leads and the plurality of second leads are electrically connected at cross part of the touch control sensing part and the extension part; at least one notch is formed in the cross part of the touch control sensing part and the extension part. As the substrate with a touch control sensing circuit and a flexible printed circuit board are integrated on one same substrate, a combination step is avoided, and thus the problem that the stress of the substrate is centralized at a reflexed part is solved.
Description
Technical field
The present invention is with regard to a kind of contact panel, especially with regard to one with flexible base board as substrate
Contact panel.
Background technology
Recently as the technology development of contact panel, contact panel is used in all kinds of widely
In electronic product, for example mobile phone, tablet PC, luggable computer, palmtop computer and
Wearable device etc..Usual contact panel can be integrated with display floater phase, produces as above-mentioned electronics
The input/output interface of product, to reach touch-control and display function simultaneously.
The structure of conventional contact panel is to utilize anisotropic conducting rubber (Anisotropic conductive
film；ACF) by substrate and flexible printed wiring board (the Flexible Print of tool touch control sensing circuit
Circuit Board；FPC) electrically engage, the sensing signal on touch control sensing circuit is passed
Deliver to the circuit for detecting at rear portion to process.
Mostly current art is to utilize pressure programming operation by flexible printed wiring board and tool touch-control sensing
The substrate of circuit engages.And pressure programming operation at least includes the patch of anisotropic conducting rubber at present
Cover operation, hot pressing process etc..But, often through one processing procedure operation, for contact panel all
It is likely to cause loss, for example, is short-circuited or open circuit problem because of excessive glue, reduce contact panel
Yield.
Content of the invention
Because above-mentioned problem, the present invention provides a kind of contact panel, can be by tool touch-control sensing electricity
The substrate on road is integrated with flexible printed wiring board and is arranged on same substrate, it is to avoid engage
Step, and solve the problem of stress concentration at invagination for the described substrate simultaneously.
Include a flexible base board and a trace layer according to a kind of contact panel of the present invention.Flexible
Substrate has a touch-control sensing portion and an extension, and extension protrudes from the side in touch-control sensing portion,
Touch-control sensing portion is distinguished a touch-control sensing district and one week border area.Trace layer is arranged on flexible base board,
Trace layer has first lead-in wire in a plurality of connection touch-control sensing district and the of a plurality of connection one control panel
Two lead-in wires, the handing-over in touch-control sensing portion and extension of a plurality of first lead-in wire and a plurality of second lead-in wire
Place is electrically connected with.Wherein touch-control sensing portion and the junction of extension have at least one breach.
In one embodiment, flexible base board has two breach.
In one embodiment, Zhou Bianqu has a line outlet, and extension is corresponding to the position of line outlet
Putting, two breach positions respectively are in the opposite sides of line outlet.
In one embodiment, a plurality of second lead-in wire is that a plurality of first lead-in wire is extended by Zhou Bianqu and logical
Extend to extension again after crossing line outlet and formed.
In one embodiment, the width of breach is more than or equal to 0.5 millimeter, and the degree of depth of breach is more than
In 1 millimeter.
In one embodiment, the shape of extension is square, rectangle or trapezoidal.
In one embodiment, extension also includes one first extension and one second extension, the
One extension is axially projecting in the side in touch-control sensing portion along one, the second extension along described axially
Protrude from the side relative to touch-control sensing portion for first extension.
In one embodiment, the shape of the first extension is trapezoidal.
In one embodiment, each second lead-in wire is by the sub-lead-in wire institute of one the 3rd son lead-in wire and the 4th
Being formed, the 3rd son lead-in wire is located at the first extension and is electrically connected with wherein one article of first lead-in wire, the
Four son lead-in wires are located at the second extension and are electrically connected with the 3rd son lead-in wire.
In one embodiment, the live width of the 3rd son lead-in wire is more than the live width of the first lead-in wire.
In one embodiment, the live width of the 3rd son lead-in wire is from Zhou Bianqu toward the direction of the second extension
Become narrow gradually.
In one embodiment, contact panel further includes a protective layer, and protective layer is arranged on trace layer
Position that is upper and that correspond at least part of Zhou Bianqu, draws to cover at least part of a plurality of first
Line.
In one embodiment, extension has also distinguished a lead areas and an overlapping regions, overlap joint
Region is adjacent to lead areas, and overlapping regions has multiple pin, and a plurality of second lead-in wire is arranged on
Lead areas and be electrically connected with multiple pin.
In one embodiment, wider closer to the distance between a plurality of second lead-in wire of overlapping regions.
In one embodiment, contact panel also includes a protective layer, and protective layer is arranged on trace layer
Position that is upper and that correspond to lead areas, to cover at least part of a plurality of second lead-in wire.
In one embodiment, the material of protective layer is the resistance to dielectric ink material destroyed or force to yield.
In one embodiment, contact panel also includes a strengthening layer, and strengthening layer is with trace layer respectively
It is arranged on the opposite sides of flexible base board, and the position of strengthening layer at least corresponds to overlapping regions
Position.
In one embodiment, the material of strengthening layer is pi.
In one embodiment, the material of flexible base board includes polyethylene terephthalate, gathers
Carbonic ester, cyclic olefin polymer, Triafol T, polyether sulfone, polyolefin, poly-methyl-prop
E pioic acid methyl ester or combinations of the above.
In one embodiment, the material of trace layer includes nm silver, nm copper alloy, nm carbon
Pipe or combinations of the above.
Include a flexible base board and a trace layer according to the another kind of contact panel of the present invention.Soft
Property substrate has a touch-control sensing portion and an extension, and extension protrudes from the one of touch-control sensing portion
Side, touch-control sensing portion is distinguished a touch-control sensing district and one week border area.Trace layer is arranged on flexibility
Substrate, trace layer has the first lead-in wire and a plurality of connection one control in a plurality of connection touch-control sensing district
Second lead-in wire of plate, a plurality of first lead-in wire and a plurality of second lead-in wire are at touch-control sensing portion and extension
Junction be electrically connected with.Wherein a plurality of second lead-in wire is electrical in the side of extension with control panel
Connect.
In one embodiment, the material of trace layer includes nm silver, nm copper alloy, nm carbon
Pipe or combinations of the above.
In one embodiment, touch-control sensing portion and the junction of extension have at least one breach.
In one embodiment, Zhou Bianqu has a line outlet, and extension is corresponding to the position of line outlet
Put, and the opposite sides of line outlet is respectively provided with a breach.
In one embodiment, the width of breach is more than or equal to 0.5 millimeter, and the degree of depth of breach is more than
In 1 millimeter.
In one embodiment, the shape of extension is square, rectangle or trapezoidal.
In one embodiment, extension has also distinguished a lead areas and an overlapping regions, overlap joint
Region is adjacent to lead areas, and overlapping regions has multiple pin, and a plurality of second lead-in wire is arranged on
Lead areas and be electrically connected with multiple pin.
In one embodiment, contact panel also includes a protective layer, and protective layer is arranged on trace layer
Position that is upper and that correspond to lead areas and at least part of Zhou Bianqu, at least part of to cover
A plurality of first lead-in wire and a plurality of second lead-in wire.
In one embodiment, contact panel also includes a strengthening layer, and strengthening layer is with trace layer respectively
It is arranged on the opposite sides of flexible base board, and the position of strengthening layer at least corresponds to overlapping regions
Position.
In sum, the present invention provides a kind of contact panel, by known tool touch control sensing circuit
Substrate (touch-control sensing portion) and known flexible printed wiring board (extension) are incorporated into same base
Plate, when reaching to be not required to carry out engagement step, raising yield, reduction material cost and shorten production
Between etc. effect.
In addition, touch-control sensing portion while the junction on one side with extension has a breach,
Making when extension reflexed to the lower section in touch-control sensing portion, described breach dispersibles because of reflexed institute
The stress producing, to avoid rupturing because of reflexed between touch-control sensing portion and extension, carries
The use reliability of high contact panel.
In addition, use nm silver, nm copper alloy, carbon nanotube or combinations of the above conduct
The material of trace layer, utilizes the flexibility characteristic of above-mentioned material, avoids further when extension reflexed
During to the lower section in touch-control sensing portion, trace layer ruptures, and reduces the risk of contact panel infringement.
Brief description
Figure 1A is the top view of a kind of contact panel of present pre-ferred embodiments.
Figure 1B is the profile shown in Figure 1A along dotted line AA'.
Fig. 1 C is the enlarged drawing of the region Z1 shown in Figure 1A.
Fig. 2 A is the top view of a kind of contact panel of another preferred embodiment of the present invention.
Fig. 2 B is the enlarged drawing of the region Z2 shown in Fig. 2 A.
Fig. 3 is the top view of a kind of contact panel of another embodiment of the present invention.
Fig. 4 A is the top view of a kind of contact panel of the another preferred embodiment of the present invention.
Fig. 4 B is the profile shown in Fig. 4 A along dotted line BB'.
Detailed description of the invention
Hereinafter with reference to correlative type, a kind of contact panel according to present pre-ferred embodiments is described,
Wherein identical element will be illustrated with identical reference symbol.
First, to be illustrated, alleged in aftermentioned embodiment " upper ＂, " lower ＂,
" left ＂, " right ＂ position relationship, is conveniently to be understood by making and with reference to graphic carried out description,
It is not used as limitation of the present invention.
Figure 1A is the top view of a kind of contact panel 1 of present pre-ferred embodiments, and Figure 1B
It is the profile along dotted line AA' shown in Figure 1A.Please also refer to shown in Figure 1A and Figure 1B,
Contact panel 1 includes a flexible base board 2 and a trace layer 3.Generally, contact panel 1
Being to realize using flexible base board 2 as substrate, trace layer 3 is arranged on the side of flexible base board 2.
The material of flexible base board 2 can be transparent or opaque insulating polymeric material, for example
It is polyethylene terephthalate (Polyethylene terephthalate；PET), poly-carbonic acid
Ester (Polycarbonate；PC), cyclic olefin polymer (Cycloolefin polymer；COP)、
Triafol T (Tricellulose Acetate；TCA), polyether sulfone (Ployethersulfone；
PES), polyolefin (polyolefin；PO), polymethyl methacrylate
(Polymethylmethacrylate；Or combinations of the above PMMA).
In addition, flexible base board 2 can be single or multiple lift structure, the present invention is not any limitation as.
The thickness of flexible base board 2 can be about 45 microns to about 200 microns, for example, can be 55 micro-
Rice, 100 microns or 175 microns, the present invention is not limited equally.Flexible base board 2 phase
Relatively thin for common thickness of glass substrate and there is good pliability, and if flexible base board 2
Using transparent material, the flexible base board 2 at above-mentioned thickness range has good optical characteristics,
Such as high penetration.
Flexible base board 2 has a touch-control sensing portion 21 and an extension 22, and extension 22 highlights
Side in touch-control sensing portion 21.Furthermore, it is understood that extension 22 can be along an axial (example
Such as Y-axis) protrude from downside or the upside in touch-control sensing portion 21, certain extension 22 is also permissible
It is left side or the right side protruding from touch-control sensing portion 21 along another axial (such as X-axis), although
The present embodiment is to protrude from the downside in touch-control sensing portion 21 as an example with extension 22, but this
Invention is not limited thereto system.Although in addition, the contact panel 1 of the present embodiment is to have one
As a example by individual extension 22, the present invention is not with this quantity for restriction, the touch surface in other embodiments
Plate can have two or more extensions 22.
Although in addition, in the present embodiment, the shape of extension 22 is substantially rectangular, but
The shape of extension 22 can be adjusted according to the demand of actual product and design.For example,
The shape of extension 22 also can be square, trapezoidal, S-shaped, arc or other various geometry
Shape.
In the present embodiment, a touch-control sensing district 211 and also can have been distinguished by touch-control sensing portion 21
Zhou Bianqu 212, Zhou Bianqu 212 ring be located at touch-control sensing district 211, certainly, Zhou Bianqu 212 is also
May be provided at least side in touch-control sensing district 211, the present invention is not limiting as.In addition, periphery
District 212 has line outlet O, the periphery in touch-control sensing portion 21 for the line outlet O position, and extension
22 positions corresponding to line outlet O.More particularly, extension 22 is from line outlet O
Position protrude from the side in touch-control sensing portion 21.
Single or multiple lift sensing electrode layer (figure does not shows) can be provided with in touch-control sensing district 211,
Sensing electrode layer does not limit and is made up of sensing electrode axis uniaxially or biaxially.And respectively sense electricity
Pole axis can also include multiple sensing electrode, and the shape of sensing electrode then can set according to side circuit demand
Count into for example: square, rectangle, rhombus, triangle, polygon or other various geometric forms
Shape.And sensing electrode layer can be to utilize sputtering method (sputter) or chemical vapour deposition technique
After (chemical vapor deposition method) deposition conductive material, and utilize lithography
Technology (photolithography) will be formed at touch-control sensing district 211 after patterns of conductive materials.
And conductive material can be transparent or opaque, it is preferably transparent, can be for example tin indium oxide
(indium tin oxide；ITO), indium zinc oxide (indium zinc oxide；IZO), aoxidize
Cadmium tin (cadmium tin oxide；CTO), aluminum zinc oxide (aluminum zinc oxide；AZO)、
Indium tin zinc oxide (indium tin zinc oxide；ITZO), zinc oxide (zinc oxide；ZnO)、
Cadmium oxide (cadmium oxide；CdO), indium gallium zinc (indium gallium zinc oxide；
InGaZnO), indium gallium zinc-magnesium (indium gallium zinc magnesium oxide；
InGaZnMgO), indium gallium magnesium (indium gallium magnesium oxide；
Or indium gallium aluminium (indium gallium aluminum oxide InGaMgO)；InGaAlO)
Deng material.Conductive material also can be metal nm wire or metal grill (metal mesh),
Metal nm wire can be for example nm silver wire (sliver nanowire；Or carbon nanotube SNW)
(carbon nanotube)。
Trace layer 3 includes a plurality of first lead-in wire 31 and a plurality of second lead-in wire 32.A plurality of first draws
Line 31 is arranged in touch-control sensing portion 21 position corresponding to Zhou Bianqu 212, and a plurality of second draws
Line 32 is then arranged on extension 22.Furthermore, it is understood that one end of a plurality of first lead-in wire 31 is respectively
The sensing electrode axis being electrically connected in touch-control sensing district 211, the other end then respectively with a plurality of
Second lead-in wire 32 electric connection.A plurality of second lead-in wire 32 then with a control panel (figure do not show)
It is electrically connected with.In the present embodiment, a plurality of second lead-in wire 32 can be a plurality of first lead-in wire 31
Extended and extended and shape to extension 22 again after the turnover of the position of line outlet O by Zhou Bianqu 212
Become, on the premise of not increasing processing procedure operation, a plurality of first lead-in wire 31 can be formed with same material
And a plurality of second lead-in wire 32, reducing processing procedure operation, and increase the accuracy of route arrangement.?
In some embodiments, a plurality of second lead-in wire 32 can be that a plurality of first lead-in wire 31 is by Zhou Bianqu 212
Extend and formed by directly extending to extension 22 after line outlet O, say, that be a plurality of
First lead-in wire 31 in the position of line outlet O without turnover.
Holding epimere, so, the sensing signal in each sensing electrode axis can sequentially be drawn by one first
Line 31 and the second lead-in wire 32 with described first lead-in wire 31 electric connection pass out.It is worth one
Be mentioned that, the quantity of the first lead-in wire 31 preferably corresponding to sensing the quantity of electrode axis, and second
The quantity of lead-in wire 32 is preferably corresponding to the quantity of the first lead-in wire 31.In addition, trace layer 3
Material is flexible conducting material, for example can include nm silver, nm copper alloy, carbon nanotube,
Or combinations of the above.In the present embodiment, the material of trace layer 3 is with nm silver slurry as an example,
In other words, a plurality of first lead-in wire 31 and a plurality of second lead-in wire 32 can be nm silver wire.
And on extension 22, additionally can distinguish lead areas R1 and overlapping regions R2, overlap joint
Region R2 is adjacent to lead areas R1.Lead areas R1 is arranged on touch-control sensing portion 21 and takes
Connect between the R2 of region.It is provided with multiple pin 4 being electrically insulated from overlapping regions R2.
Aforesaid a plurality of second lead-in wire 32 is arranged in lead areas R1 and insulated from each other, and a plurality of the
The two ends of two lead-in wires 32 are electrically connected with corresponding first lead-in wire 31 and corresponding pin 4 respectively.
In the present embodiment, multiple pins 4 can be to be arranged in trace layer 3 in the way of overlap joint,
And be electrically connected with corresponding a plurality of second lead-in wire 32, say, that multiple pins 4 and lead-in wire
Layer 3 is that position is at different layers.In further embodiments, pin 4 can be arranged on trace layer 3
Same layer, in this case, the material of pin 4 can be selected for drawing with the first lead-in wire 31 and second
The identical material of line 32, so, pin 4 can be in phase with the first lead-in wire 31 and the second lead-in wire 32
Formed with in fabrication steps, reducing processing procedure operation, and increase the accuracy of route arrangement.
In reality application, when extension 22 is electrically connected with control panel, touch-control sensing district 211
Interior sensing signal can be sequentially sent to by the first lead-in wire the 31st, the second lead-in wire the 32nd, pin 4
The circuit for detecting of rear end, the circuit for detecting for rear end judges position of touch.It is to say, this
The extension 22 of embodiment has the function of flexible printed wiring board so that contact panel 1 is not required to
Flexible printed wiring board is additionally set, so that it may be directly electrically connected with control panel.Specifically,
Extension 22 is electrically connected with in the side of extension 22 through the second lead-in wire 32 and control panel, and
And the mode that extension 22 is electrically connected with control panel, can be that the portion that will extend over 22 inserts control
Connector on plate, in some embodiments, it is also possible to through hot pressing by pin 4 and control
Plate is electrically connected with.
It is soft that touch-control sensing portion 21 and extension 22 are incorporated into one by the contact panel 1 of the present embodiment
Property substrate 2, extension 22 replacement flexible printed wiring board is namely set, with known tool touch-control
The substrate of sensing circuit is compared with known flexible printed wiring board, and contact panel 1 can be made to manufacture
During, it is not required to through pressure programming operation, product yield can be improved and reduce material cost,
For example: anisotropic conducting rubber, the cost of flexible printed wiring board, and production can be shortened
The time manufacturing.
Then, please also refer to shown in Figure 1A and Fig. 1 C, Fig. 1 C is the region shown in Figure 1A
The enlarged drawing of Z1, in the present embodiment, the 22a of extension 22 and touch-control sensing portion 21
One side 21a connect, and breach F is formed in this junction.In reality application, lack
Mouth F quantity can not be with one for limiting, and it is preferably two, as shown in Figure 1A.This enforcement
Two breach F of example position respectively is in the opposite sides of line outlet O.In extension 22 and touch-control sense
The junction in survey portion 21 forms breach F, when user will replace prolonging of known flexible printed wiring board
When extending portion 22 reflexed is to the lower section in touch-control sensing portion 21, breach F dispersibles because reflexed is produced
Stress, to avoid occurring between touch-control sensing portion 21 and extension 22 stress mistake because of reflexed
The problem that degree is concentrated and ruptured, improves the use reliability of contact panel 1.
Define breach F at this further and there is width d1 and degree of depth d2, and with depicted in drawing
Illustrating as a example by the present embodiment, those skilled in the art can simply deduce that other implement aspect.
As a example by the breach F depicted in Figure 1A and Fig. 1 C, width d1 refers to extension 22
22a is to the air line distance of the breach F leftmost side, and degree of depth d2 refers to touch-control sensing portion 21
The air line distance of 21a to breach F bosom (top side).In the present embodiment, width d1
It is preferably more than or equal to 0.5 millimeter, and degree of depth d2 is preferably more than or equal to 1.0 millimeters.Width
D1 and degree of depth d2 can be adjusted according to the size of contact panel 1, to reach more preferable dispersive stress
Effect.
In addition, it is noted that the bosom of breach F (top side) and outermost the
Distance d3 between one lead-in wire 31a also can be adjusted according to the size of contact panel 1, to avoid
When the lower section of the portion that will extend over 22 reflexed to touch-control sensing portion 21, outermost first lead-in wire 31a
Bent and ruptured.For example, when the size of contact panel 1 is 6 or 6
When following, distance d3 is preferably 0.5 millimeter；When the size of contact panel 1 is 7 to 11
When, distance d3 is preferably 0.7 millimeter；When the size of contact panel 1 is more than 11, away from
It is preferably 1.0 millimeters from d3.
Fig. 2 A is the top view of a kind of contact panel 1a of another preferred embodiment of the present invention, with
Under describe just for the place different from the contact panel 1 shown in Figure 1A, remaining is identical
Content refer to previous embodiment.Refer to the contact panel shown in Fig. 2 A, in the present embodiment
The extension 22 of 1a can distinguish one first extension 221 and one second extension 222.Enter one
For step, the first extension 221 can be to protrude from touch-control sense along one axial (such as Y-axis)
The side in survey portion 21, the second extension 222 then protrudes from along described axial (such as Y-axis)
First extension 221 is relative to the side in touch-control sensing portion 21.Furthermore, it is understood that first extends
The opposite sides in portion 221 is respectively adjacent to touch-control sensing portion 21 and the second extension 222.Equally
, the first extension 221 is to protrude from touch-control sensing portion 21 from the position corresponding to line outlet O
Side.
In addition, aforesaid each second lead-in wire 32 (such as Figure 1A) are also divided in the present embodiment
One the 3rd son lead-in wire 321 and one the 4th son lead-in wire 322.A plurality of 3rd son lead-in wire 321 is arranged on the
One extension 221, a plurality of 4th son lead-in wire 322 is then provided in the second extension 222 and divides
Not with the 3rd corresponding son lead-in wire 321 electric connection.In the present embodiment, a plurality of 4th son
Lead-in wire 322 can be that a plurality of 3rd son lead-in wire 321 is from the first extension 221 toward the second extension
222 extend and are formed, and can be formed a plurality of with same material on the premise of not increasing processing procedure operation
3rd son lead-in wire 321 and a plurality of 4th son lead-in wire 322, reducing processing procedure operation, and increase circuit
The accuracy laid.The material of the 3rd son lead-in wire 321 and the 4th son lead-in wire 322 can be aforementioned
The material of the second lead-in wire 32 in embodiment.
In the present embodiment, the shape of the first extension 221 is substantially trapezoidal, and second prolongs
The shape of extending portion 222 substantially rectangle.Specifically, the first extension 221 is in upside
Wider width and the narrower width of downside trapezoidal.The live width of a plurality of 3rd son lead-in wire 321 will
It is designed to the live width more than a plurality of first lead-in wire 31.And specifically, the 3rd son lead-in wire 321
Live width it can also be designed meet the shape of the first extension 221, e.g. by Zhou Bianqu 212
The direction of past second extension 222 becomes narrow gradually.For example, the 3rd son lead-in wire 321 is neighbour
The live width being bordering on Zhou Bianqu 212 position can be for example 70 microns to 500 microns, and the 3rd son draws
Line 321 the live width being adjacent to the second extension 222 position can be for example 15 microns micro-to 30
Rice.Under this design, when the first extension 221 and the second extension 222 reflexed are arrived by user
During the lower section in touch-control sensing portion 21, owing to the 3rd son lead-in wire 321 is being adjacent to Zhou Bianqu's 212
Live width is wider, and therefore, the 3rd son lead-in wire 321 in reflexed position for the position will be less likely to occur fracture
Problem, simultaneously occurs to rupture in swapping process prevented also from circuit and the problem that causes open circuit.
And position is drawn with the 3rd son in a plurality of 4th son lead-in wire 322 its live widths of the second extension 222
Line 321 is close in the live width being adjacent to the second extension 222 position, can be for example 15 microns extremely
30 microns, generally, the live width of the 4th son lead-in wire 322 is compared to the 3rd son lead-in wire 321
Live width is narrower, and it is the rectangle that area is less that the second extension 222 so can be made to maintain, to reach
To saving baseplate material and avoid the excessive effect of extension 22 volume.
Then, Fig. 2 B is the enlarged drawing of the region Z2 shown in Fig. 2 A, please also refer to Fig. 2 A
And Fig. 2 B, in the present embodiment, the 221b of the first extension 221 and touch-control sensing portion
The junction of one side 21b of 21 has a breach F, and the extension line L and limit 221b of limit 21b it
Between can form included angle A, owing to the first extension 221 is the ladder that downside is narrower in upside is wider
Shape, therefore included angle A forms obtuse angle.Formed between touch-control sensing portion 21 and the first extension 221
Obtuse angle (included angle A), can make contact panel 1a at the first extension 221 and the second extension 222
When reflexed is to the lower section in touch-control sensing portion 21, there is more preferable stress dispersion effect.
Fig. 3 is the top view of a kind of contact panel 1b of another embodiment of the present invention, below
Describing just for the place different from the contact panel 1 shown in Figure 1A, remaining is identical interior
Hold and refer to previous embodiment.Refer to shown in Fig. 3, the contact panel 1b of the present embodiment, more
Wider close to the distance between the second lead-in wire 32 of overlapping regions R2.In other words, neighbouring
Distance between the second lead-in wire 32 of Zhou Bianqu 212 position is narrower, the second lead-in wire of this position
32 its line densities are higher.In the present embodiment, owing to being adjacent to the second of Zhou Bianqu 212 position
Lead-in wire 32 distribution is relatively concentrated, say, that near the second lead-in wire 32 distance breach F in outside
Farther out, so, if the extension of flexible base board 2 22 causes generation at breach F to tear because of bending
When splitting, the second lead-in wire 32 is not easily susceptible to damage.
Fig. 4 A is the top view of a kind of contact panel 1c of the another preferred embodiment of the present invention, figure
4B is the profile shown in Fig. 4 A along dotted line BB'.Touch surface just for the present embodiment below
The plate 1c place different from the contact panel 1b shown in Fig. 3 describes, and remaining is identical interior
Hold and refer to previous embodiment.
Please also refer to Fig. 4 A and Fig. 4 B, contact panel 1c also includes a protective layer 5, protection
Layer 5 is arranged in trace layer 3, furthermore, it is understood that protective layer 5 is provided in trace layer 3 phase
Side for flexible base board 2.First, the position that arranges of protective layer 5 corresponds at least portion
The Zhou Bianqu 212 dividing, in order to cover at least part of first lead-in wire 31 at Zhou Bianqu 212 for the position.
In addition, also there is the protective layer 5 of part to be provided in lead areas R1 corresponding to extension 22,
To cover at least part of second lead-in wire 32 in lead areas R1 for the position.The main work(of protective layer 5
Can be protection a plurality of first lead-in wire 31 and a plurality of second lead-in wire 32, make a plurality of first lead-in wire 31 and
A plurality of second lead-in wire 32 and air exclusion, it is to avoid lead-in wire occurs what electric conductivity declined to ask because of oxidation
Topic, can prevent a plurality of first lead-in wire 31 and a plurality of second lead-in wire 32 in use further
Chap.And the material of protective layer 5 can be transparent or opaque insulating materials, at this
Particularly relate to the resistance to dielectric ink material destroyed or force to yield, in addition, the material of protective layer 5 also can be poly-
Sub-acid amides (Polyimide；PI), silicon nitride (Si3N4) or silica (SiO2) etc.,
The present invention is not limited with above-mentioned material, and it can select according to actual product demand.In addition, protect
The thickness of sheath 5 is preferably approximately 5 microns to 25 microns, and the present invention with this thickness is not equally
Limit.
Illustrating at this, protective layer 5 can be single or multiple lift structure.Although in addition, originally
The protective layer 5 of embodiment is to be formed in trace layer 3 in the way of flood is connected, but at other
In embodiment, protective layer 5 also can be in the way of right and wrong flood be connected.
On the other hand, the contact panel 1c of the present embodiment also includes a strengthening layer 6, strengthening layer 6
It is arranged under flexible base board 2.In other words, strengthening layer 6 and trace layer 3 are separately positioned on soft
The opposite sides of property substrate 2.The material of strengthening layer 6 can be for example pi, acryl tree
Fat, epoxy resin or combinations of the above, at this particularly as a example by pi.In this reality
Execute in example, overlapping regions R2 of at least corresponding part of the position set by strengthening layer 6, certainly,
Strengthening layer 6 also can be simultaneously corresponding to overlapping regions R2 of part and lead areas R1 of part.
The main intensity in order to strengthen corresponding region of strengthening layer 6.Specifically, due to flexible base board 2
And the thinner thickness of the trace layer 3 of top, this will make extension 22 be difficult to insert and (or pull out
Go out) connector of rear end, therefore through strengthening layer 6, reinforcement is carried out to this region, extension can be made
Portion 22 is more smooth in the process inserting (or extracting) connector, draws prevented also from second simultaneously
There is asking of fracture because integral thickness is excessively soft thin in line 32 and pin 4 during reflexed
Topic.The thickness of strengthening layer 6 is about 25 microns to about 250 microns, and the present invention is not with this thickness
For limiting, it can be according to different product demands, such as the connector on rear end control panel is not
With, and be adjusted.
It to be illustrated at this is, although the contact panel 1c in Fig. 4 A and Fig. 4 B is to protect
As a example by sheath 5 and strengthening layer 6 are arranged on the contact panel 1b shown in Fig. 3, in other embodiments
In, protective layer 5 and strengthening layer 6 may also set up in contact panel 1 or Fig. 2 A in figure ia
Contact panel 1a, and relative position is set and material refers to the content of previous embodiment,
Do not repeat them here.
In sum, the present invention provides a kind of contact panel, by known tool touch control sensing circuit
Substrate (touch-control sensing portion) and known flexible printed wiring board (extension) are incorporated into same base
Plate, when reaching to be not required to carry out engagement step, raising yield, reduction material cost and shorten production
Between etc. effect.
In addition, touch-control sensing portion while the junction on one side with extension has a breach,
Making when extension reflexed to the lower section in touch-control sensing portion, described breach dispersibles because of reflexed institute
The stress producing, to avoid rupturing because of reflexed between touch-control sensing portion and extension, carries
The use reliability of high contact panel.
In addition, use nm silver, nm copper alloy, carbon nanotube or combinations of the above conduct
The material of trace layer, utilizes the flexibility characteristic of above-mentioned material, avoids further when extension reflexed
During to the lower section in touch-control sensing portion, trace layer ruptures, and reduces the risk of contact panel infringement.
The above is only illustrative, rather than restricted.Any essence without departing from the present invention
God and scope, and to its equivalent modifications carrying out or change, all should include wanting in appended right
In asking.
Claims (29)
1. a contact panel, it is characterised in that include:
One flexible base board, has a touch-control sensing portion and an extension, and described extension protrudes from
The side in described touch-control sensing portion, described touch-control sensing portion is distinguished a touch-control sensing district and one week
Border area；And
One trace layer, is arranged on described flexible base board, and described trace layer had described in a plurality of connection
First lead-in wire in touch-control sensing district and the second lead-in wire of a plurality of connection one control panel, described a plurality of the
One lead-in wire goes between in the junction in described touch-control sensing portion and described extension with described a plurality of second
It is electrically connected with,
Wherein said touch-control sensing portion has at least one breach with the junction of described extension.
2. contact panel as claimed in claim 1, it is characterised in that described flexible base board has
Have two breach.
3. contact panel as claimed in claim 2, it is characterised in that described Zhou Bianqu has
One line outlet, described extension is corresponding to the position of described line outlet, and said two breach is respectively
Position is in the opposite sides of described line outlet.
4. contact panel as claimed in claim 3, it is characterised in that described a plurality of second draws
Line be described a plurality of first lead-in wire extended by described Zhou Bianqu and by after described line outlet again to institute
State extension to extend and formed.
5. contact panel as claimed in claim 1, it is characterised in that the width of described breach
More than or equal to 0.5 millimeter, the degree of depth of described breach is more than or equal to 1 millimeter.
6. contact panel as claimed in claim 1, it is characterised in that the shape of described extension
Shape is square, rectangle or trapezoidal.
7. contact panel as claimed in claim 1, it is characterised in that described extension also wraps
Including one first extension and one second extension, described first extension is axially projecting in institute along one
Stating the side in touch-control sensing portion, described second extension axially projecting prolongs in described first along described
Extending portion is relative to the side in described touch-control sensing portion.
8. contact panel as claimed in claim 7, it is characterised in that described first extension
Shape be trapezoidal.
9. contact panel as claimed in claim 7, it is characterised in that each described a plurality of second
Lead-in wire is to be formed by one the 3rd son lead-in wire and one the 4th son lead-in wire, and described 3rd son lead-in wire is located at
Described first extension and electric connection wherein one first lead-in wire, described 4th son lead-in wire is located at
Described second extension and be electrically connected with the described 3rd son lead-in wire.
10. contact panel as claimed in claim 9, it is characterised in that described 3rd son draws
The live width of line is more than the live width of described first lead-in wire.
11. contact panels as claimed in claim 9, it is characterised in that described 3rd son draws
The live width of line is become narrow gradually from described Zhou Bianqu toward the direction of described second extension.
12. contact panels as claimed in claim 1, it is characterised in that described contact panel
Also include:
One protective layer, is arranged in described trace layer and corresponds at least part of described Zhou Bianqu
Position, with cover at least part of described a plurality of first lead-in wire.
13. contact panels as claimed in claim 1, it is characterised in that described extension is also
Differentiation has a lead areas and an overlapping regions, described overlapping regions adjacent to described lead areas,
Described overlapping regions has multiple pin, and described a plurality of second lead-in wire is arranged on described lead areas
And it is electrically connected with the plurality of pin.
14. contact panels as claimed in claim 13, it is characterised in that take closer to described
Connect the distance between described a plurality of second lead-in wire in region wider.
15. contact panels as claimed in claim 13, it is characterised in that described contact panel
Also include:
One protective layer, is arranged in described trace layer and the position corresponding to described lead areas,
To cover at least part of described a plurality of second lead-in wire.
16. contact panels as described in claim 12 or 15, it is characterised in that described guarantor
The material of sheath is the resistance to dielectric ink material destroyed or force to yield.
17. contact panels as claimed in claim 13, it is characterised in that described contact panel
Also include:
One strengthening layer, is separately positioned on the opposite sides of described flexible base board with described trace layer,
And the position of described strengthening layer at least corresponds to the position of described overlapping regions.
18. contact panels as claimed in claim 17, it is characterised in that described strengthening layer
Material is pi.
19. contact panels as claimed in claim 1, it is characterised in that described flexible base board
Material include polyethylene terephthalate, Merlon, cyclic olefin polymer, three vinegar
Acid cellulose, polyether sulfone, polyolefin, polymethyl methacrylate or combinations of the above.
20. contact panels as claimed in claim 1, it is characterised in that described trace layer
Material includes nm silver, nm copper alloy, carbon nanotube or combinations of the above.
21. 1 kinds of contact panels, it is characterised in that include:
One flexible base board, has a touch-control sensing portion and an extension, and described extension protrudes from
The side in described touch-control sensing portion, described touch-control sensing portion is distinguished a touch-control sensing district and one week
Border area；And
One trace layer, is arranged on described flexible base board, and described trace layer had described in a plurality of connection
First lead-in wire of touch-control sense lateral areas and the second lead-in wire of a plurality of connection one control panel, described a plurality of the
One lead-in wire goes between in the junction in described touch-control sensing portion and described extension with described a plurality of second
It is electrically connected with,
Wherein said a plurality of second lead-in wire electrically connects in the side of described extension with described control panel
Connect.
22. contact panels as claimed in claim 21, it is characterised in that described trace layer
Material includes nm silver, nm copper alloy, carbon nanotube or combinations of the above.
23. contact panels as claimed in claim 21, it is characterised in that described touch-control sensing
Portion has at least one breach with the junction of described extension.
24. contact panels as claimed in claim 21, it is characterised in that described Zhou Bianqu has
Having a line outlet, described extension is corresponding to the position of described line outlet, and described line outlet
Opposite sides is respectively provided with a breach.
25. contact panels as claimed in claim 23, it is characterised in that the width of described breach
Degree is more than or equal to 0.5 millimeter, and the degree of depth of described breach is more than or equal to 1 millimeter.
26. contact panels as claimed in claim 21, it is characterised in that described extension
Shape is square, rectangle or trapezoidal.
27. contact panels as claimed in claim 21, it is characterised in that described extension is also
Differentiation has a lead areas and an overlapping regions, described overlapping regions adjacent to described lead areas,
Described overlapping regions has multiple pin, and described a plurality of second lead-in wire is arranged on described lead areas
And it is electrically connected with the plurality of pin.
28. contact panels as claimed in claim 27, it is characterised in that described contact panel
Also include:
One protective layer, is arranged in described trace layer and corresponds to described lead areas and at least portion
The position of the described Zhou Bianqu dividing, goes between and described to cover at least part of described a plurality of first
A plurality of second lead-in wire.
29. contact panels as claimed in claim 27, it is characterised in that described contact panel
Also include:
One strengthening layer, is separately positioned on the opposite sides of described flexible base board with described trace layer,
And the position of described strengthening layer at least corresponds to the position of described overlapping regions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510066972.5A CN105988616A (en) | 2015-02-09 | 2015-02-09 | Touch control panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510066972.5A CN105988616A (en) | 2015-02-09 | 2015-02-09 | Touch control panel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105988616A true CN105988616A (en) | 2016-10-05 |
Family
ID=57037579
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510066972.5A Pending CN105988616A (en) | 2015-02-09 | 2015-02-09 | Touch control panel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105988616A (en) |
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| CN107122086A (en) * | 2017-03-28 | 2017-09-01 | 深圳欧菲光科技股份有限公司 | The preparation method of contact panel, display device and contact panel |
| CN107340925A (en) * | 2017-07-14 | 2017-11-10 | 业成科技（成都）有限公司 | Touch module |
| CN107544715A (en) * | 2017-09-08 | 2018-01-05 | 业成科技（成都）有限公司 | Touch control display apparatus |
| CN108052233A (en) * | 2018-01-03 | 2018-05-18 | 上海天马微电子有限公司 | A kind of display panel and display device |
| WO2022078016A1 (en) * | 2020-10-13 | 2022-04-21 | 京东方科技集团股份有限公司 | Module structure, touch module, display module and display device |
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