CN102346614A - Capacitance type touch panel and production method thereof - Google Patents
Capacitance type touch panel and production method thereof Download PDFInfo
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- CN102346614A CN102346614A CN2011102786284A CN201110278628A CN102346614A CN 102346614 A CN102346614 A CN 102346614A CN 2011102786284 A CN2011102786284 A CN 2011102786284A CN 201110278628 A CN201110278628 A CN 201110278628A CN 102346614 A CN102346614 A CN 102346614A
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Abstract
The invention relates to the technical field of panel display, in particular to a capacitance type touch panel and a production method thereof. The capacitance type touch panel comprises a substrate, a plurality of first serials, a plurality of second serials and a plurality of insulating blocks, wherein the substrate is provided with a first surface and a second surfaces forming a plurality of first accommodation spaces; the plurality of second serials are segmented into a plurality of second units by the plurality of first serials; a plurality of second units on the second series are respectively and electrically connected with the plurality of second units through a plurality of second connections to form the second series; the second connections are arranged in the first accommodation spaces; the insulating blocks are arranged above the second connections and below first connections; the distance between any part in each first connection, which is arranged on each second connection and the insulating block part in a direction perpendicular to the first surface and the first surface is smaller than the summation of the thickness of the second connection and the thickness of the insulating block at the same part in the direction; and the insulating blocks completely cover the second connections in the direction of the first series. In addition, the invention also provides a production method of the capacitance type touch panel.
Description
Technical field
The present invention relates to technical field of flat panel display, relate in particular to a kind of capacitance type touch-control panel and preparation method thereof.
Background technology
Contact panel is divided into electric resistance touch-control panel, capacitance type touch-control panel, infrared type contact panel and sound wave type contact panel according to the difference of its touch-control principle.
Resistance-type, infrared type, sound wave type contact panel are because the defective that its principle of work causes is not suitable for the operation interface as hand-held mobile terminal.Capacitance type touch-control panel is widely used in hand-held mobile terminal because its touch-control sensitivity is good, long service life, difficult by advantages such as outer signals interference.
Capacitance type touch-control panel further is divided into surface capacitance type contact panel and projected capacitive touch panel again.The surface capacitance type contact panel is owing to only can realize single-point touch, and therefore, its range of application is not extensive yet.And projected capacitive touch panel is because it can realize that multi-point touch is widely used.
Projected capacitive touch panel comprises substrate, X axle sensing electrode layer, Y axle sensing electrode layer.X axle sensing electrode layer and Y axle sensing electrode layer are formed at two opposing surfaces of substrate respectively.X axle sensing electrode layer comprises that many are parallel to each other and X axle induction electrode tandem spaced apart; Y axle sensing electrode layer comprises that many are parallel to each other and Y axle induction electrode tandem spaced apart, and X axle induction electrode tandem and Y axle induction electrode tandem are perpendicular in the projection that is parallel on the plane of substrate.Two sensing electrode layers of this kind projected capacitive touch panel are owing to be made in two opposing surfaces of substrate; After when making, needing to have made the sensing electrode layer of a side earlier; Substrate overturn; Make the sensing electrode layer of opposite side again, therefore, its that side sensing electrode layer that easy scratch completes earlier in manufacturing process; Cause induction electrode tandem on the sensing electrode layer to come off or the part of same sensing electrode tandem is cut off, make the projected capacitive touch panel that completes the defective that touch-control lost efficacy occur.
Therefore industry works out alternative structure, promptly makes two sensing electrode layers at the homonymy of substrate, and two sensing electrode layers separate through dielectric film.In the right this structure, occur aberration easily between the two-layer sensing electrode layer of successively making, and the overlaying structure of two sensing electrode layers and dielectric film also greatly reduces the transmitance of projected capacitive touch panel.
Therefore; Industry is developed the projected capacitive touch panel of bridging structure again; It is the same surface that X axle induction electrode tandem and Y axle induction electrode tandem all are located at substrate; And each Y axle induction electrode tandem is cut off by X axle induction electrode tandem and is a plurality of Y axle sensing units, and a plurality of Y axle sensing units of same Y axle induction electrode tandem are serially connected through connecting line, and connecting line and X axle sensing electrode tandem overlapping insulate through collets and open.The projected capacitive touch panel of this bridging structure is compared with the above-mentioned projected capacitive touch panel that is positioned at the structure on two sides of substrate homonymy, has the transmitance height, the advantage that touch-control is sensitive.
But in the projected capacitive touch panel of above-mentioned bridging structure, the X axle sensing electrode tandem of having made and a plurality of Y axle sensing unit have occupied most substrate surface; Therefore; In the process of making the metal connecting line, will unavoidably cause damage to X axle sensing electrode tandem and a plurality of Y axle sensing unit, cause X axle sensing electrode tandem and a plurality of Y axle sensing unit to come off; Or cause X axle sensing electrode tandem broken string, cause projected capacitive touch panel the defective that touch-control lost efficacy to occur.The thickness of collets more is prone to scratch than induction electrode material much larger than the thickness and the collets material of induction electrode; Collets that in subsequent handling, cause owing to operation or the connection electrode on the collets scratch broken string, the occurrence probability that comes off is bigger, thereby influence the touch-control function of contact panel.Usually reach micron order (as common 1.5 microns or 2.0 microns) because of collets thickness again; The size of single collets is at hundred micron orders (like common 100*200 micron); So big or small collets, thus " babysbreath " phenomenon that causes outward appearance seen in appearance easily.
Summary of the invention
In view of this, be necessary to provide a kind of and can effectively reduce the capacitance type touch-control panel that electrode breaks, comes off and helps to improve outward appearance " babysbreath " phenomenon.
In addition, also be necessary to provide a kind of method for making of above-mentioned capacitance type touch-control panel.
A kind of capacitance type touch-control panel; Comprise substrate, be formed at many first tandems on the substrate, many second tandems, a plurality of collets; Said substrate has first surface and the second surface that forms a plurality of first receiving spaces; Each said first tandem comprises that a plurality of first modules are connected with a plurality of first, and each second tandem comprises that a plurality of Unit second are connected with a plurality of second, and adjacent two first modules on each said first tandem are electrical connected through one first connection; A plurality of first modules on each said first tandem are electrical connected through a plurality of first connections respectively, form said first tandem; Be parallel to each other between many said first tandems; Be parallel to each other between many said second tandems; And intersect each other in said first receiving space top between many said first tandems and many said second tandems; Form a plurality of point of crossing, said many first tandems are divided into a plurality of Unit second with many said second tandems, and adjacent two second unit on each said second tandem even are electrical connected through one second connection; A plurality of Unit second on each said second tandem are electrical connected through a plurality of second connections respectively, form said second tandem; Said second coupling part or all be arranged in said first receiving space; Said collets be arranged at said second connect on, first connect under; Said first is arranged at said second in connecting connects and any being in perpendicular to stating second with the distance of said first surface less than same place on the direction of said first surface and being connected and the thickness sum of collets on this direction of the part of collets, and said collets cover said second fully and connect on the said first tandem direction.
In the said capacitance type touch-control panel provided by the invention; Said first receiving space is arranged on the said substrate with being matrix; And have identical spacing between any two first adjacent receiving spaces, said second surface is by through being parallel to the straight line of said second tandem and being series of identical para-curve perpendicular to the figure that the plane of said first surface is cut; Said second surface is by through being parallel to the straight line of said first tandem and being the rectangle that a series of areas did not wait and all be a side opening perpendicular to the figure that the plane of said first surface is cut.
In the said capacitance type touch-control panel provided by the invention, said second connects and to comprise first section, second section, the 3rd section, and first section links to each other through said second section with the 3rd section; Said second connect second section is arranged in said first receiving space, and said first section is arranged at respectively on the said first surface with the said second tandem direction of said first receiving space of the 3rd spacer segment and edge; First section is connected with Unit one second of one second tandem, and said the 3rd section is connected with another Unit second of same second tandem.
In the said capacitance type touch-control panel provided by the invention; Said collets all are arranged on said second connect second section; And its surperficial first section of being connected with said second and the 3rd section surface form one the 3rd surface; Its side closely contacts with said substrate, combine together, and said collets has an inclined-plane along the first tandem direction and the part protruded outside the first surface of said substrate; Said the 3rd surface is parallel with said first surface, and the distance between said first surface and said the 3rd surface is said Unit second perpendicular to half of the thickness of said first surface direction; First is connected on the said collets; The side surface that said first module, Unit second, first connect away from said first surface is positioned at same plane, and said collets adopt with the material that the manufacturing materials of said substrate has an identical or close optical property and process.
In the said capacitance type touch-control panel provided by the invention; Said first receiving space is arranged on the said substrate with being matrix; And have identical spacing between any two first adjacent receiving spaces, said second surface is by through being parallel to the straight line of said second tandem and being series of identical curve perpendicular to the figure that the plane of said first surface is cut; Said second surface is by through being parallel to the straight line of said first tandem and being the rectangle that a series of areas did not wait and all be a side opening perpendicular to the figure that the plane of said first surface is cut.
In the said capacitance type touch-control panel provided by the invention; Said second connection has first end face and second end face; Connect and all to be arranged in said first receiving space and after covering said second surface, said first end face and second end face and said first surface are at grade when said second.
In the said capacitance type touch-control panel provided by the invention; Said capacitance type touch-control panel also comprises protective seam; Said protective seam is arranged on the first surface of the said substrate between said first tandem, second tandem, collets and first tandem, second tandem, the collets; And cover said first tandem, second tandem and collets fully; And said protective seam forms a smooth and smooth plane away from a side surface of said first surface, and said protective seam adopts with the material that the manufacturing materials of said substrate has an identical or close optical property and processes.
In the said capacitance type touch-control panel provided by the invention; Each said collets partly or wholly is arranged on the part of each said second connection; First module in each first tandem has identical size and shapes similar with Unit second in each second tandem; And first module or Unit second have identical spacing with adjacent first module or Unit second arbitrarily; Spacing between any two adjacent first tandems is identical, and the spacing between any two adjacent second tandems is identical, and spacing is identical with spacing between any two adjacent second tandems between said any two adjacent first tandems; At place, said point of crossing, said second thickness that connects is greater than said first thickness that connects, said second connect identical with first projected area that be connected on the first surface of said substrate; A plurality of first modules of said first tandem are connected with a plurality of first, a plurality of Unit second of said second tandem are made in same processing procedure by transparent conductive material.
A kind of method for making of capacitance type touch-control panel as stated, it comprises the following steps:
Provide one be formed with a plurality of first receiving spaces substrate, and said substrate has a first surface and a plurality of second surfaces that form said first receiving space; Be provided with second at a plurality of said first receiving space places respectively and connect, and said second coupling part or all be arranged in said first receiving space; In a plurality of said second connections, collets are set respectively; And said collets be arranged at said second connect to go up after; On direction, be connected and the thickness sum of said collets on this direction less than said second with the distance of said first surface away from the side of said first surface any one on the said collets perpendicular to said first surface; First surface making at the substrate that is formed with second connection and collets comprises first tandem, the Unit second that first module is connected with first; Said Unit second is arranged at the first surface of said substrate with being matrix; Adjacent two second unit that are positioned at delegation connect electric connection through second, form second tandem.
In the method for making of said capacitance type touch-control panel provided by the invention, the step that forms said first receiving space further may further comprise the steps:
First surface at said substrate is coated with one first photoresist layer;
Utilize one first mask that first photoresist layer on the said substrate is made public;
First photoresist layer to after the exposure carries out development treatment, obtains the pattern identical with first mask;
Utilize etching liquid at the appointed time the said substrate that does not cover first photoresist layer to be carried out etching, obtain said first receiving space;
Remove remaining photoresist in first photoresist layer.
In the method for making of said capacitance type touch-control panel provided by the invention, form said second step of connecting and further may further comprise the steps:
On said substrate, form one first transparency conducting layer;
Coating one second photoresist layer on said first transparency conducting layer;
Utilize said first mask that said second photoresist layer is made public;
Second photoresist layer to after the exposure carries out development treatment, obtains the pattern complementary with first mask;
Utilize etching liquid to etch away not cover said first transparent conductive film layer of second photoresist layer;
Remove remaining photoresist in second photoresist layer, form a plurality of second and connect.
In the method for making of said capacitance type touch-control panel provided by the invention, the step that forms said collets further may further comprise the steps:
First surface at the substrate that is formed with second connection forms one first insulation course;
Coating one the 3rd photoresist layer on said first insulation course;
Utilize one second mask that said the 3rd photoresist layer is made public;
The 3rd photoresist layer to after the exposure carries out development treatment, on said the 3rd photoresist layer, forms and the identical pattern of said second mask pattern;
Utilize etching liquid to etch away not to be coated with first insulation course of the 3rd photoresist layer;
Remove remaining photoresist on the 3rd photoresist layer, form a plurality of collets.
In the method for making of said capacitance type touch-control panel provided by the invention, the step that forms said collets further may further comprise the steps:
First surface at the substrate that is formed with second connection forms one first insulation course;
Utilize one second mask that said first insulation course is made public;
First insulation course to after the exposure carries out development treatment, on said first insulation course, forms and the identical pattern of said second mask pattern.
In the method for making of said capacitance type touch-control panel provided by the invention, the step that forms said first tandem and Unit second further may further comprise the steps:
First surface at the substrate that is formed with second connection and collets is made one second transparency conducting layer;
Coating one the 4th photoresist layer on said second transparency conducting layer;
Utilize one the 3rd mask that said the 4th photoresist layer is made public;
The 4th photoresist layer to after the exposure carries out development treatment, on said the 4th photoresist layer, is formed at the identical pattern of said the 3rd mask pattern;
Utilize etching liquid to etch away not to be coated with second transparency conducting layer of the 4th photoresist layer;
Remove remaining photoresist on the 4th photoresist layer, form first tandem, Unit second.
In the method for making of said capacitance type touch-control panel provided by the invention; The method for making of said capacitance type touch-control panel further comprises the following steps: on the substrate that is formed with first tandem, second tandem, collets, to make protective seam, and to make the surface of capacitance type touch-control panel be a smooth and smooth plane.
In capacitance type touch-control panel provided by the invention and preparation method thereof; Said first module and Unit second are of similar shape and size; And arbitrarily has identical spacing between first module or Unit second and adjacent first module or the Unit second; Can effectively reduce because of size between first module and the Unit second with shape is inconsistent and the inconsistent aberration that causes of spacing each other, acquisition good surface appearance effect.Further, said first tandem and second tandem are processed by transparent conductive material, make capacitance type touch-control panel have better appearance.
In capacitance type touch-control panel provided by the invention and preparation method thereof; Through on said substrate, making a plurality of first receiving spaces; Be connected in said first receiving space said second; Can prevent effectively that said second is connected the defective that comes off in the capacitance type touch-control panel manufacturing process, reduce said second and connect the risk that comes off, help promoting the yields of said capacitance type touch-control panel.In addition; Said second be connected in behind said first receiving space and said collets be arranged at said second connect to go up after; The surface of said collets and the surface of said substrate form a common surface, can further prevent to cause the risk that is come off by scraping outside the said substrate easily because of said second connection and collets protrude from.
In capacitance type touch-control panel provided by the invention and preparation method thereof; Said collets adopt with the material that the manufacturing materials of said substrate has an identical or close optical property and process; Can effectively eliminate the optical difference between said collets and the said substrate, eliminate outward appearance " babysbreath " phenomenon in the prior art.
In capacitance type touch-control panel provided by the invention and preparation method thereof; Making said second earlier connects; Making collets, Unit second and first tandem, because said second connect the area that occupies said substrate surface and be far smaller than the area that said Unit second and first tandem occupy said substrate surface, therefore; Can effectively reduce the broken string that causes because of scraping in the said capacitance type touch-control panel manufacturing process or the risk that comes off, improve the yields of said capacitance type touch-control panel.
Description of drawings
To combine accompanying drawing and embodiment that the present invention is described further below, in the accompanying drawing:
Fig. 1 is the synoptic diagram of the capacitance type touch-control panel of a preferred embodiments provided by the invention.
Fig. 2 is the schematic cross-section of capacitance type touch-control panel shown in Figure 1 along the A-A direction.
Fig. 3 is capacitance type touch-control panel shown in Figure 1 another schematic cross-section along the A-A direction.
Fig. 4 is the method for making process flow diagram of a preferred embodiments of capacitance type touch-control panel shown in Figure 1.
Embodiment
For capacitance type touch-control panel provided by the invention and preparation method thereof is described, set forth in detail below in conjunction with Figure of description.
Please consult Fig. 1 and Fig. 2 simultaneously, it is the synoptic diagram and the schematic cross-section thereof of the capacitance type touch-control panel of a preferred embodiments provided by the invention.Capacitance type touch-control panel 100 comprises that substrate 110, many are formed on the substrate 110 and comprises that a plurality of first modules 121 are connected 123 first tandem, many and are formed on the substrate 110 and comprise that a plurality of many second unit 131 are connected 133 second tandem, a plurality of collets 150 and protective seam 160 with a plurality of second with first.
Said substrate 110 is processed for transparent material; Which is provided with a plurality of first receiving spaces 111; Said substrate 110 has first surface 113 and a plurality of second surfaces 115 that form said a plurality of first receiving spaces 111, said first surface 113 respectively with a plurality of said second surface 115 adjacency.In this embodiment, said first surface 113 is smooth and smooth plane, and a plurality of said first receiving spaces 111 are arranged on the said substrate 110 with being matrix, and has identical spacing between in any two adjacent said first receiving spaces 111.In other embodiments, said first receiving space 111 can also other modes be arranged on the said substrate 110, and said first surface 113 can also be curved surface, cylinder etc.
The a plurality of first modules 121 that are positioned at same row connect 123 connections through being positioned at a plurality of first of these row, form one first tandem, and adjacent two first modules 121 connect 123 through one first and connect, and are parallel to each other between said many first tandems; A plurality of second unit 131 that are positioned at delegation connect 133 connections through being positioned at a plurality of second of this row, form one second tandem, and adjacent two second unit 131 connect 133 through one second and connect, and are parallel to each other between said many second tandems.In this embodiment; The shape of the said first module 121 and second unit 131 is all identical with size; Spacing between any two the adjacent first modules 121 and second unit 131 is identical, and the spacing between any two first tandems is consistent, and the spacing between any two second tandems is consistent; Therefore; Its induced signal intensity that not only can guarantee to produce between each ranks of said capacitance type touch-control panel is consistent, and can effectively reduce capacitance type touch-control panel because of size between the first module 121 and second unit 131 with shape is inconsistent and the inconsistent aberration that causes of spacing each other, acquisition good surface appearance effect.In other embodiments, the size of the said first module 121 and second unit 131 can be different with shape, but have identical size and shape between all first modules 121, have identical size and shape between all second unit 131; Spacing between any two the adjacent first modules 121 and second unit 131 also can be inequality.A plurality of first modules 121 of said first tandem are connected 123 with a plurality of first, a plurality of second unit 131 of said second tandem are made in same processing procedure by transparent conductive material.
Many said first tandem is intersected on a plurality of first receiving spaces 111 of said substrate 110 respectively with many said second tandems each other; Form a plurality of point of crossing 140; And at 140 places, said point of crossing; Many said second tandems are cut apart by many said first tandems and are cut off into a plurality of second unit 131, and two second adjacent unit 131 connect 133 through second and connect in same said second tandem.Said a plurality of collets 150 are corresponding one by one with a plurality of said point of crossing 140, and lay respectively at 140 places, said a plurality of point of crossing, and said collets 150 are arranged at and said second connect on 133, said first connect under 123.
Said capacitance type touch-control panel 100 also comprises a protective seam 160, and said protective seam 160 is arranged on said first tandem, second tandem and the collets 150, and covers said first tandem, second tandem and collets 150 fully.In the said protective seam 160; A part covers on the first surface 113 of said substrate 110; Another part covers on said first tandem, second tandem and the collets 150; And after said protective seam 160 is arranged on said first tandem, second tandem and the collets 150; Its side surface away from the first surface 113 of said substrate 110 forms a smooth and smooth plane, and it helps said capacitance type touch-control panel 100 and assembles or on said capacitance type touch-control panel 100, make other functional element with other device.In this embodiment, said protective seam 160 employings form with the material that the manufacturing materials of said collets 150 has identical or close optical property.
A plurality of said second connections 133 are corresponding one by one with said a plurality of first receiving spaces 111, and each said second connection 133 partly or wholly is arranged in each said first receiving space 111.Said a plurality of collets 150 and said a plurality of second connection 133 are corresponding one by one, and each said collets 150 partly or wholly is arranged on the part of each said second connection 133.
In this embodiment, said second connects 133 comprises first section 11, second sections 12, the 3rd sections 13, and said first section 11 links to each other through said second section 12 with the 3rd section 13.Said second surface 115 is by through being parallel to the straight line of said second tandem and being series of identical para-curve perpendicular to the figure that the plane of said first surface 113 is cut; Said second surface 115 is by through being parallel to the straight line of said first tandem and being the rectangle that a series of areas did not wait and all be a side opening perpendicular to the figure that the plane of said first surface 113 is cut.Said second connects 133 second section 12 is arranged in said first receiving space 111, and said first section 11 is arranged at respectively on the said first surface 113 with the 3rd section 13 said at interval first receiving space 111 and the said second tandem direction in edge.Said collets 150 all be arranged at said second connect 133 second section 12 on; And its surface is connected 133 first section 11 and the 3rd section 13 surface and forms one the 3rd surperficial 170 with said second; Its side closely contacts with said substrate 110; Combine together, and said collets 150 have an inclined-plane along the first tandem directions and the part protruded outside the first surface 113 of said substrate 110, connect 123 and broken string occurs to prevent to be arranged at first on it.Said collets 150 employings form with the material that the manufacturing materials of said substrate 110 has identical or close optical property; Therefore; Combining more closely between said collets 150 and the said substrate 110, difficult drop-off more; And optical difference can not occur, can effectively eliminate outward appearance in the prior art " babysbreath " phenomenon.Said the 3rd surface 170 is parallel with said first surface 113, and said first surface 113 and distance between the said the 3rd surperficial 170 are said second unit 131 perpendicular to half of the thickness of said first surface 113 directions.Second connects 133 first section 11 is connected with one second unit 131, and the 3rd section 13 is connected with another Unit second 131, and first connection 123 is arranged on the said collets 150.Said first module 121, second unit 131, first connect 123 side surfaces away from said first surface 113 and are positioned at same plane.
In above embodiment; Second section 12 with said second connection 133 is arranged at said first receiving space 111; And said collets 150 are arranged on said second section 12; And said second connect 133 and be far smaller than said first module 121, second unit 131 and first at the area that the projection on the said first surface 113 occupies and connect the area that 123 projections on said first surface 113 occupy; Therefore, it is less by scratch or the possibility that comes off in the manufacturing process of said capacitance type touch-control panel 100; Further, said collets 150 be covered in said second connect 133 second section 12 on, therefore, it can further fix said second connection 133.The surface of said collets 150 is connected first section 11 and the 3rd section 13 common the 3rd surface 170 that forms of 133 with said second; And said collets 150 also partly are contained in said first receiving space 111; Itself and said substrate 110 combine together, and the combination of the two is more tight, difficult drop-off; And there are not optical difference, excellent in optical properties between the two.In addition; Distance between said the 3rd surface 170 and the said first surface 113 is the thickness of said first section 11 and the 3rd section 13; First connection 123 is merely said second in the part on the first surface 113 of said substrate 110 with its difference in height between the part on the said collets 150 and is connected 133 thickness; And difference in height described in the prior art comprises the thickness of second connection 133 and the thickness of collets 150; Therefore, the capacitance type touch-control panel 100 of this embodiment can prevent effectively that said first connects the defective of 123 appearance broken strings, helps on said collets 150, making first simultaneously and connects.Simultaneously, said collets 150 have an inclined-plane along the first tandem directions and the part protruded outside the first surface 113 of said substrate 110, can further prevent to be provided with first connecting 123 and broken string occurs on it.
As shown in Figure 3, it is a capacitance type touch-control panel shown in Figure 1 schematic cross-section along another preferred embodiments of A-A direction.Said second surface 115 is by through being parallel to the straight line of said second tandem and being series of identical curve perpendicular to the figure that the plane of said first surface 113 is cut; Said second surface 115 is by through being parallel to the straight line of said first tandem and being the rectangle that a series of areas did not wait and all be a side opening perpendicular to the figure that the plane of said first surface 113 is cut.Said second connects 133 has first end face 21 and second end face 22; When said second connection 133 all is arranged in said first receiving space 111; And after covering said second surface 115, said first end face 21 and second end face 22 and said first surface 113 are at grade.Said collets 150 all are arranged at said second and connect on 133; And said collets 150 be arranged at said second connect on 133 after; Its surface and said first surface 113 are at grade; And said collets 150 adopt and have identical or close material with the manufacturing materials of said substrate 110 and form, and itself and said substrate 110 have better adhesion, and do not have optical difference between itself and the said substrate 110.So, watch said second to connect 133 during with said collets 150 from a side of first surface 113, second connects 133 as being embedded in the said substrate 110.Therefore; Thisly connect 133 with said second and be arranged at the capacitance type touch-control panel 100 of said first receiving space 111 fully, can prevent effectively that said collets 150 are connected 133 and in the process of said capacitance type touch-control panel 100, are swiped by scratch or quilt and come off with second with collets 150; Simultaneously; First of said first tandem connect 123 can with first module 121 in first tandem on same surface; It can effectively avoid first in first tandem described in the prior art to connect 121 being arranged at second in second tandem of the surface that is formed on substrate and connecting 133 and the defective of broken string occurred with 150 last times of collets, effectively promote the yields of said capacitance type touch-control panel.
In other embodiments, second surface 115 can be the inversion isosceles trapezoid (its two waists can also be arcs) of not having long base, perhaps other figures through second tandem and perpendicular to the figure that the plane on first plane 113 is cut; But said first receiving space 111 resettlement section at least divides said second to connect 133; And make said first connect be arranged in 123 said second connect 133 and the part of collets 150 any one be in perpendicular on the direction of said first surface 113 with the distance of said first surface 113 less than same place state second is connected 133 with the thickness sum of collets 150 on this direction, said collets 150 cover said second connection 133 fully on the said first tandem direction.Said first connects 123, and be connected 133 projected areas on said first surface with second identical; And said second connects 133 is connecting 123 thickness on this direction perpendicular to the thickness on the direction of said first surface greater than said first, and said collets cover said second fully and connect on the said first tandem direction.
See also Fig. 4, it is a preferred embodiments method for making schematic flow sheet of capacitance type touch-control panel shown in Figure 1.The method for making of said capacitance type touch-control panel comprises the following steps:
Step S201: provide one be formed with a plurality of first receiving spaces substrate, and said substrate has a first surface and a plurality of second surfaces that form said first receiving space.The step that forms said first receiving space further comprises the steps:
First surface at said substrate is coated with one first photoresist layer;
Utilize one first mask that first photoresist layer on the said substrate is made public;
First photoresist layer to after the exposure carries out development treatment, obtains the pattern identical with first mask;
Utilize etching liquid at the appointed time the said substrate that does not cover first photoresist layer to be carried out etching, obtain said first receiving space, the said substrate surface that forms said first receiving space is a second surface;
Remove remaining photoresist in first photoresist layer.
In this embodiment, a plurality of said first receiving spaces have identical size and shapes similar, and have identical spacing between any two first receiving spaces.Said second surface is an arc surface, and in other embodiments, its cross section can also be rectangle, trapezoidal or other polygons etc.
Step S203: be provided with second at a plurality of said first receiving space places respectively and connect, and said second coupling part or all be arranged in said first receiving space.In this embodiment, form said second step of connecting and further may further comprise the steps:
On said substrate, form one first transparency conducting layer;
Coating one second photoresist layer on said first transparency conducting layer;
Utilize above-mentioned first mask that said second photoresist layer is made public;
Second photoresist layer to after the exposure carries out development treatment, obtains the pattern complementary with first mask;
Utilize etching liquid to etch away not cover said first transparent conductive film layer of second photoresist layer;
Remove remaining photoresist in second photoresist layer, form a plurality of second and connect.
In this embodiment, owing to can utilize said first mask that uses among the step S201, therefore, can reduce production costs to a certain extent.Said second connects the employing transparent conductive material processes, and can effectively promote the transmitance of capacitance type touch-control panel, simultaneously, can make capacitance type touch-control panel obtain preferable appearance; In addition, make second by transparent conductive material and connect, can the said first module of shared making, first connect, the equipment of Unit second, reduce the equipment purchase cost, and then further reduce production costs.
Step S205: in a plurality of said second connections, collets are set respectively; And said collets be arranged at said second connect to go up after; On direction, be connected and the thickness sum of said collets on this direction less than said second with the distance of said first surface away from the side of said first surface any one on the said collets perpendicular to said first surface.
The step that forms said collets further may further comprise the steps:
First surface at the substrate that is formed with second connection forms one first insulation course;
Coating one the 3rd photoresist layer on said first insulation course;
Utilize one second mask that said the 3rd photoresist layer is made public;
The 3rd photoresist layer to after the exposure carries out development treatment, on said the 3rd photoresist layer, forms and the identical pattern of said second mask pattern;
Utilize etching liquid to etch away not to be coated with first insulation course of the 3rd photoresist layer;
Remove remaining photoresist on the 3rd photoresist layer, form a plurality of collets.
In other embodiments, the step that forms said collets further may further comprise the steps:
First surface at the substrate that is formed with second connection forms one first insulation course;
Utilize one second mask that said first insulation course is made public;
First insulation course to after the exposure carries out development treatment, on said first insulation course, forms and the identical pattern of said second mask pattern.
Step S207: the first surface making at the substrate that is formed with second connection and collets comprises first tandem, the Unit second that first module is connected with first; Unit second is arranged at said substrate surface with being matrix; Adjacent two second unit that are positioned at delegation connect electric connection through second, form second tandem.
The step that forms said first tandem and Unit second further may further comprise the steps:
First surface at the substrate that is formed with second connection and collets is made one second transparency conducting layer;
Coating one the 4th photoresist layer on said second transparency conducting layer;
Utilize one the 3rd mask that said the 4th photoresist layer is made public;
The 4th photoresist layer to after the exposure carries out development treatment, on said the 4th photoresist layer, is formed at the identical pattern of said the 3rd mask pattern;
Utilize etching liquid to etch away not to be coated with second transparency conducting layer of the 4th photoresist layer;
Remove remaining photoresist on the 4th photoresist layer, form first tandem, Unit second.
Said first tandem and second tandem intersect at said collets place; Form a plurality of point of crossing; And first of said first tandem connects and to be connected overlapping part with second of second tandem and to open through said collets insulation, promptly said collets be positioned at said second connect go up, under first connection.
Step S209: on the substrate that is formed with first tandem, second tandem, collets, make protective seam, the surface that makes capacitance type touch-control panel is a smooth and smooth plane.The material of making said protective seam is consistent with the material of making said substrate, make between said protective seam and the said substrate combine tightr, for said first tandem, second tandem, collets provide better protection.
It more than is the preferred embodiments of capacitance type touch-control panel provided by the invention and preparation method thereof; Can not be interpreted as restriction to rights protection scope of the present invention; Those skilled in the art should know, and under the prerequisite that does not break away from the present invention's design, also can do multiple improvement or replacement; These all improvement or replacement all should be in rights protection scopes of the present invention, and rights protection scope promptly of the present invention should be as the criterion with claim.
Claims (15)
1. capacitance type touch-control panel; Comprise substrate, be formed at many first tandems on the substrate, many second tandems, a plurality of collets; Said substrate has first surface and the second surface that forms a plurality of first receiving spaces; Each said first tandem comprises that a plurality of first modules are connected with a plurality of first, and each second tandem comprises that a plurality of Unit second are connected with a plurality of second, and adjacent two first modules on each said first tandem are electrical connected through one first connection; A plurality of first modules on each said first tandem are electrical connected through a plurality of first connections respectively, form said first tandem; Be parallel to each other between many said first tandems; Be parallel to each other between many said second tandems; And intersect each other in said first receiving space top between many said first tandems and many said second tandems; Form a plurality of point of crossing, said many first tandems are divided into a plurality of Unit second with many said second tandems, and adjacent two second unit on each said second tandem even are electrical connected through one second connection; A plurality of Unit second on each said second tandem are electrical connected through a plurality of second connections respectively, form said second tandem; Said second coupling part or all be arranged in said first receiving space; Said collets be arranged at said second connect on, first connect under; Said first is arranged at said second in connecting connects and any being in perpendicular to stating second with the distance of said first surface less than same place on the direction of said first surface and being connected and the thickness sum of collets on this direction of the part of collets, and said collets cover said second fully and connect on the said first tandem direction.
2. capacitance type touch-control panel as claimed in claim 1; It is characterized in that: said first receiving space is arranged on the said substrate with being matrix; And have identical spacing between any two first adjacent receiving spaces, said second surface is by through being parallel to the straight line of said second tandem and being series of identical para-curve perpendicular to the figure that the plane of said first surface is cut; Said second surface is by through being parallel to the straight line of said first tandem and being the rectangle that a series of areas did not wait and all be a side opening perpendicular to the figure that the plane of said first surface is cut.
3. capacitance type touch-control panel as claimed in claim 2 is characterized in that: said second connects and to comprise first section, second section, the 3rd section, and first section links to each other through said second section with the 3rd section; Said second connect second section is arranged in said first receiving space, and said first section is arranged at respectively on the said first surface with the said second tandem direction of said first receiving space of the 3rd spacer segment and edge; First section is connected with Unit one second of one second tandem, and said the 3rd section is connected with another Unit second of same second tandem.
4. capacitance type touch-control panel as claimed in claim 3; It is characterized in that: said collets all are arranged on said second connect second section; And its surperficial first section of being connected with said second and the 3rd section surface form one the 3rd surface; Its side closely contacts with said substrate, combine together, and said collets has an inclined-plane along the first tandem direction and the part protruded outside the first surface of said substrate; Said the 3rd surface is parallel with said first surface, and the distance between said first surface and said the 3rd surface is said Unit second perpendicular to half of the thickness of said first surface direction; First is connected on the said collets; The side surface that said first module, Unit second, first connect away from said first surface is positioned at same plane, and said collets adopt with the material that the manufacturing materials of said substrate has an identical or close optical property and process.
5. capacitance type touch-control panel as claimed in claim 1; It is characterized in that: said first receiving space is arranged on the said substrate with being matrix; And have identical spacing between any two first adjacent receiving spaces, said second surface is by through being parallel to the straight line of said second tandem and being series of identical curve perpendicular to the figure that the plane of said first surface is cut; Said second surface is by through being parallel to the straight line of said first tandem and being the rectangle that a series of areas did not wait and all be a side opening perpendicular to the figure that the plane of said first surface is cut.
6. capacitance type touch-control panel as claimed in claim 5; It is characterized in that: said second connection has first end face and second end face; Connect and all to be arranged in said first receiving space and after covering said second surface, said first end face and second end face and said first surface are at grade when said second.
7. capacitance type touch-control panel as claimed in claim 1; It is characterized in that: said capacitance type touch-control panel also comprises protective seam; Said protective seam is arranged on the first surface of the said substrate between said first tandem, second tandem, collets and first tandem, second tandem, the collets; And cover said first tandem, second tandem and collets fully; And said protective seam forms a smooth and smooth plane away from a side surface of said first surface, and said protective seam adopts with the material that the manufacturing materials of said substrate has an identical or close optical property and processes.
8. capacitance type touch-control panel as claimed in claim 1; It is characterized in that: each said collets partly or wholly is arranged on the part of each said second connection; First module in each first tandem has identical size and shapes similar with Unit second in each second tandem; And first module or Unit second have identical spacing with adjacent first module or Unit second arbitrarily; Spacing between any two adjacent first tandems is identical, and the spacing between any two adjacent second tandems is identical, and spacing is identical with spacing between any two adjacent second tandems between said any two adjacent first tandems; At place, said point of crossing, said second thickness that connects is greater than said first thickness that connects, said second connect identical with first projected area that be connected on the first surface of said substrate; A plurality of first modules of said first tandem are connected with a plurality of first, a plurality of Unit second of said second tandem are made in same processing procedure by transparent conductive material.
9. method for making of capacitance type touch-control panel according to claim 1, it comprises the following steps:
Provide one be formed with a plurality of first receiving spaces substrate, and said substrate has a first surface and a plurality of second surfaces that form said first receiving space;
Be provided with second at a plurality of said first receiving space places respectively and connect, and said second coupling part or all be arranged in said first receiving space;
In a plurality of said second connections, collets are set respectively; And said collets be arranged at said second connect to go up after; On direction, be connected and the thickness sum of said collets on this direction less than said second with the distance of said first surface away from the side of said first surface any one on the said collets perpendicular to said first surface;
First surface making at the substrate that is formed with second connection and collets comprises first tandem, the Unit second that first module is connected with first; Said Unit second is arranged at the first surface of said substrate with being matrix; Adjacent two second unit that are positioned at delegation connect electric connection through second, form second tandem.
10. the method for making of capacitance type touch-control panel as claimed in claim 9, it is characterized in that: the step that forms said first receiving space further may further comprise the steps:
First surface at said substrate is coated with one first photoresist layer;
Utilize one first mask that first photoresist layer on the said substrate is made public;
First photoresist layer to after the exposure carries out development treatment, obtains the pattern identical with first mask;
Utilize etching liquid at the appointed time the said substrate that does not cover first photoresist layer to be carried out etching, obtain said first receiving space;
Remove remaining photoresist in first photoresist layer.
11. the method for making of capacitance type touch-control panel as claimed in claim 10 is characterized in that: form said second step of connecting and further may further comprise the steps:
On said substrate, form one first transparency conducting layer;
Coating one second photoresist layer on said first transparency conducting layer;
Utilize said first mask that said second photoresist layer is made public;
Second photoresist layer to after the exposure carries out development treatment, obtains the pattern complementary with first mask;
Utilize etching liquid to etch away not cover said first transparent conductive film layer of second photoresist layer;
Remove remaining photoresist in second photoresist layer, form a plurality of second and connect.
12. the method for making of capacitance type touch-control panel as claimed in claim 11 is characterized in that: the step that forms said collets further may further comprise the steps:
First surface at the substrate that is formed with second connection forms one first insulation course;
Coating one the 3rd photoresist layer on said first insulation course;
Utilize one second mask that said the 3rd photoresist layer is made public;
The 3rd photoresist layer to after the exposure carries out development treatment, on said the 3rd photoresist layer, forms and the identical pattern of said second mask pattern;
Utilize etching liquid to etch away not to be coated with first insulation course of the 3rd photoresist layer;
Remove remaining photoresist on the 3rd photoresist layer, form a plurality of collets.
13. the method for making of capacitance type touch-control panel as claimed in claim 11 is characterized in that: the step that forms said collets further may further comprise the steps:
First surface at the substrate that is formed with second connection forms one first insulation course;
Utilize one second mask that said first insulation course is made public;
First insulation course to after the exposure carries out development treatment, on said first insulation course, forms and the identical pattern of said second mask pattern.
14. the method for making like claim 12 or 13 described capacitance type touch-control panels is characterized in that: the step that forms said first tandem and Unit second further may further comprise the steps:
First surface at the substrate that is formed with second connection and collets is made one second transparency conducting layer;
Coating one the 4th photoresist layer on said second transparency conducting layer;
Utilize one the 3rd mask that said the 4th photoresist layer is made public;
The 4th photoresist layer to after the exposure carries out development treatment, on said the 4th photoresist layer, is formed at the identical pattern of said the 3rd mask pattern;
Utilize etching liquid to etch away not to be coated with second transparency conducting layer of the 4th photoresist layer;
Remove remaining photoresist on the 4th photoresist layer, form first tandem, Unit second.
15. the method for making of capacitance type touch-control panel as claimed in claim 9; It is characterized in that: the method for making of said capacitance type touch-control panel further comprises the following steps: on the substrate that is formed with first tandem, second tandem, collets, to make protective seam, and to make the surface of capacitance type touch-control panel be a smooth and smooth plane.
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| CN 201110278628 CN102346614B (en) | 2011-09-19 | 2011-09-19 | Capacitance type touch panel and production method thereof |
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| CN 201110278628 CN102346614B (en) | 2011-09-19 | 2011-09-19 | Capacitance type touch panel and production method thereof |
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| US9456493B2 (en) | 2012-10-29 | 2016-09-27 | Tpk Touch Solutions (Xiamen) Inc. | Touch-sensor structure and manufacturing method thereof |
| CN106406629A (en) * | 2016-11-11 | 2017-02-15 | 京东方科技集团股份有限公司 | Touch panel, manufacture of touch panel and display device |
| CN113220158A (en) * | 2021-04-30 | 2021-08-06 | 上海天马微电子有限公司 | Touch panel preparation method, touch panel and display device |
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| US20110109577A1 (en) * | 2009-11-12 | 2011-05-12 | Samsung Electronics Co., Ltd. | Method and apparatus with proximity touch detection |
| CN102096533A (en) * | 2009-12-15 | 2011-06-15 | 索尼公司 | Electrostatic capacitance-type input device, method of testing electrostatic capacitance-type input device, and driving device for electrostatic capacitance-type input device |
| CN202210273U (en) * | 2011-09-19 | 2012-05-02 | 深圳莱宝高科技股份有限公司 | Capacitive touch panel |
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| US20110109577A1 (en) * | 2009-11-12 | 2011-05-12 | Samsung Electronics Co., Ltd. | Method and apparatus with proximity touch detection |
| CN102096533A (en) * | 2009-12-15 | 2011-06-15 | 索尼公司 | Electrostatic capacitance-type input device, method of testing electrostatic capacitance-type input device, and driving device for electrostatic capacitance-type input device |
| CN202210273U (en) * | 2011-09-19 | 2012-05-02 | 深圳莱宝高科技股份有限公司 | Capacitive touch panel |
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| US9456493B2 (en) | 2012-10-29 | 2016-09-27 | Tpk Touch Solutions (Xiamen) Inc. | Touch-sensor structure and manufacturing method thereof |
| CN106406629A (en) * | 2016-11-11 | 2017-02-15 | 京东方科技集团股份有限公司 | Touch panel, manufacture of touch panel and display device |
| CN113220158A (en) * | 2021-04-30 | 2021-08-06 | 上海天马微电子有限公司 | Touch panel preparation method, touch panel and display device |
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| CN102346614B (en) | 2013-10-16 |
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