CN102508584A - Monolithic capacitance touch screen with decorative patterns and manufacture method thereof - Google Patents
Monolithic capacitance touch screen with decorative patterns and manufacture method thereof Download PDFInfo
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- CN102508584A CN102508584A CN2011103008162A CN201110300816A CN102508584A CN 102508584 A CN102508584 A CN 102508584A CN 2011103008162 A CN2011103008162 A CN 2011103008162A CN 201110300816 A CN201110300816 A CN 201110300816A CN 102508584 A CN102508584 A CN 102508584A
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Abstract
The invention relates to a monolithic capacitance touch screen with decorative patterns. The monolithic capacitance touch screen comprises a transparent substrate, a covering layer, a sensing electrode and a low-resistance circuit, wherein the covering layer is arranged on the back face of the transparent substrate; and the edge part of the sensing electrode and the low-resistance circuit are arranged at the outer side of the covering layer in sequence. The monolithic capacitance touch screen is characterized in that: a hollow area with the decorative patterns is arranged on the covering layer. The hollow area is used as an outline of the decorative patterns, the transparent or non-transparent decorative patterns are formed by the hollow area and other film layers at the outer layer of the covering layer, printing is carried out without printing ink, thereby solving the problem that the adhering force of the covering layer is reduced, caused by that the substrate is polluted by components which are easily diffused by the printing ink; and the sensing electrode and the lower-resistance circuit which are arranged on the covering layer are difficult to break. Furthermore, no deterioration exists in the manufacture process of the sensing electrode and the low-resistance circuit, or the process environment of manufacturing the sensing electrode and the low-resistance circuit is not influenced. Therefore, the monolithic capacitance touch screen has the advantages of higher manufacture yield and reliability.
Description
Technical field
The present invention relates to a kind of capacitance touch screen and manufacturing approach thereof, relate in particular to a kind of one chip capacitance touch screen and manufacturing approach thereof with decorative pattern.
Background technology
In recent years, along with the fast development and the application of infotech, wireless mobile communication and information household appliances, people grow with each passing day to the dependence of electronic product.In order to reach more convenient, volume is more lightly changed and more humane purpose, many electronic products by traditional keyboard or mouse as input media, change to use being arranged on the preceding touch-screen of display screen into as input media.Existing touch-screen is broadly divided into types such as condenser type, resistance-type, photosensitizing type.Wherein, capacitance touch screen has been widely applied to each electronic product, in mobile phone, panel computer.The characteristics of capacitance touch screen are that transmitance height and touch are exerted pressure and needn't be exerted oneself, and can resist abominable external environment, for example: water; Temperature variation, so humidity is long service life; Survey when can also realize a plurality of touch point during work, manipulate humanized.
Traditional capacitance touch screen; General all is the fitting body of multi-piece substrate; It realizes touch sensing function through the sensing electrode that is arranged on a certain substrate, and along with the lightening development of electronic product, and its capacitance touch screen that requires to be assembled is more and more frivolous; So someone has proposed only to adopt the capacitance touch screen of a plate base, i.e. one chip capacitance touch screen.
Sensing electrode generally comprises a plurality of first sensing electrode and a plurality of second sensing electrodes that extend along second direction that extend along first direction, the interlaced formation induction arrays of first sensing electrode and second sensing electrode; Electrically do not connect mutually between each first sensing electrode; Electrically do not connect mutually between each second sensing electrode; Electrically be not connected between first sensing electrode and second sensing electrode; Each first sensing electrode comprises a plurality of first sensing electrode pieces that are provided with along first direction, and each second sensing electrode comprises a plurality of second sensing electrode pieces that are provided with along second direction.When the user contacted touch-screen with finger, the electric capacity of first, second sensing electrode at contact point place changed, and through electric circuit inspection, just can judge the generation of touch and the coordinate of contact point.Transparent for capacitance touch screen is designed to, above-mentioned first, second sensing electrode often adopts nesa coating, and (ITO) is made like tin indium oxide.
For the one chip capacitance touch screen; Need first sensing electrode, second sensing electrode all be arranged on the back side of a plate base; Can adopt two-layer nesa coating to form first sensing electrode, second sensing electrode respectively; Also can adopt with one deck nesa coating and form first sensing electrode, second sensing electrode, the latter can be so that first sensing electrode, second sensing electrode have the optics consistance.Intersect owing to exist between first sensing electrode, second sensing electrode; Therefore sensing electrode also comprises the jumper wire construction that is arranged on infall; Jumper wire construction makes that first sensing electrode, second sensing electrode of infall can conductings on direction separately, and can not be short-circuited each other.
Jumper wire construction generally comprises the bottom connection that is separated by insulation course (cross-over block) and is connected with the top, and it is respectively applied for first sensing electrode and second sensing electrode that connection is separated by the point of crossing.The bottom connects one of them that be connected with the top and can be formed by nesa coating; Another one then adopts the wire jumper metal film to form; The wire jumper metal film can be the single or multiple lift film of elemental metals or alloy formation, generally also is used to form the low-resistance circuit of touch-screen neighboring area.
The bottom connects and is connected also and can be formed respectively by two-layer nesa coating with the top, and is arranged on the low-resistance circuit of neighboring area, then need form through increasing one deck circuit metal film; Likewise, adopt two-layer nesa coating to form the structure of first sensing electrode, second sensing electrode respectively, often also need form the low-resistance circuit through increasing one deck circuit metal film.
In order to cover the low-resistance circuit that is arranged on the neighboring area; The general one deck that also can be provided with in the neighboring area of one chip capacitance touch screen is covered layer; Cover layer and be generally internal layer near substrate; That is to say that in the neighboring area of touch-screen, above-mentioned sensing electrode or low-resistance circuit are arranged on covers the layer outside.Owing to only need cover the neighboring area of capacitance touch screen, cover the general figure that forms the frame shape through certain graphic method of layer.
Neighboring area at capacitance touch screen; Generally also be provided with the decorative pattern as purposes such as trade marks, according to current technology, the one chip capacitance touch screen is still continued to use the way of traditional capacitance touch-screen; Decorative pattern is interposed between coverage layer and the substrate; That is to say, before making the coverage layer, earlier decorative pattern is produced on the substrate.The general easy pollution that causes other positions of substrate of the manufacturing process of decorative pattern; Such as the easy diffusion component in the printing ink of printed decoration pattern; Easily attached on the substrate around the decorative pattern; Cause the decline of adhesion of the coverage layer of follow-up making,, be arranged on sensing electrode, the low-resistance circuit covered on the layer and occur fracture easily covering under the situation that layer adhesion descends; In addition, this decorative pattern also takes place rotten easily in the production process of subsequent sense electrode, low-resistance circuit or has influence on the process environments of making sensing electrode, low-resistance circuit conversely.Therefore, the fine ratio of product of the one chip capacitance touch screen of this set decorative pattern and reliability are generally all lower.
Summary of the invention
The technical matters that the present invention will solve provides a kind of one chip capacitance touch screen with decorative pattern; And this manufacturing approach with one chip capacitance touch screen of decorative pattern; This one chip capacitance touch screen with decorative pattern can be avoided the pollution of substrate and cause covering the problem that layer adhesion reduces; Avoid being arranged on sensing electrode, the low-resistance circuit of covering the layer back side and fracture occurs; Avoid decorative pattern that the process environments of making sensing electrode, low-resistance circuit takes place to go bad or have influence on conversely in the manufacturing process of sensing electrode, low-resistance circuit, therefore have higher fine ratio of product and reliability.The technical scheme that adopts is following:
A kind of one chip capacitance touch screen with decorative pattern; Comprise a transparency carrier, cover layer, sensing electrode and low-resistance circuit; Cover layer and be located at the transparency carrier back side; The marginal portion of sensing electrode and low-resistance circuit are located at successively to be in and are covered the layer outside, it is characterized in that: the said hollow out zone that has the decorative pattern shape on the layer of covering.
On each rete, be inboard near a side of transparency carrier, be the outside away from a side of transparency carrier.
Of background technology; Cover layer and have frame shape figure, and, utilize the hollow out zone as the decorative pattern profile covering the hollow out zone that the decorative pattern shape is set on the layer; Hollow out zone itself or be in other each rete of covering the layer outside and constitute transparent or nontransparent decorative pattern; Therefore, before making the coverage layer, need not to adopt printing ink printing; Thereby having avoided printing ink to diffuse out component easily pollutes substrate and causes covering the problem that layer adhesion reduces; Make that be arranged on sensing electrode, the low-resistance circuit covered on the layer is not easy fracture to occur, and this decorative pattern that is formed by hollow out can not take place in the manufacturing process of sensing electrode, low-resistance circuit yet or have influence on the process environments of making sensing electrode, low-resistance circuit conversely rotten, so have higher fine ratio of product and reliability.
In order to reach the purpose that decorative pattern has transparent effect; As a kind of preferred version of the present invention; It is characterized in that: said sensing electrode, low-resistance circuit all are arranged on outside the hollow out zone, and perhaps the nontransparent rete in sensing electrode, the low-resistance circuit is arranged on outside the hollow out zone.That is to say; Wire jumper metal film or circuit metal film all can not appear among the hollow out zone; It is transparent to make that like this each rete do not have rete to cover the overseas side of vacancy section or to cover the overseas side of vacancy section is, and is transparent from the positive viewed decorative pattern of transparency carrier.
In order to reach the purpose that decorative pattern has nontransparent effect, as another kind of preferred version of the present invention, it is characterized in that: also comprise the background color layer, the background color layer is located at the outside of covering layer and is covered on the hollow out zone.The background color layer exposes through the hollow out zone, makes decorative pattern not only opaque, and has color, gloss, the texture of background color layer.
In order to make decorative pattern have metallic luster, as the further preferred version of the present invention, it is characterized in that: said background color layer is for being coated on the background color metal film of covering the layer outside through the metal film deposition technology.
In order to make decorative pattern have metallic luster; And simplify its manufacture process; Reduced the manufacturing cost of this one chip capacitance touch screen, as the further preferred version of the present invention, it is characterized in that: said sensing electrode comprises that wire jumper metal film or low-resistance circuit comprise the circuit metal film; Said background color layer is made up of wire jumper metal film or circuit metal film.In the graphical process of sensing electrode or low-resistance circuit; Utilize wire jumper metal film or circuit metal film; Graphical technology through itself forms a background color layer that is arranged on the coverage layer outside; Therefore can save the step of special making background color layer, simplify its manufacture process, reduce the manufacturing cost of this one chip capacitance touch screen.
Above-mentioned background color layer also can be the printing ink of certain color, gloss, texture, forms in the printing of the outside in hollow out zone, and at this moment, the background color layer need be provided with after accomplishing at sensing electrode, low-resistance circuit; The background color layer can also be the pad pasting of certain color, gloss, texture, attaches in the outside of covering layer to form.Because above-mentioned background color layer just forms after coverage layer, sensing electrode, low-resistance circuit complete; Therefore avoid covering layer, sensing electrode, the low-resistance circuit is polluted or problem such as fracture occurs; Simultaneously, also avoid decorative pattern in the manufacturing process of sensing electrode, low-resistance circuit, to take place to go bad or have influence on the process environments of making sensing electrode, low-resistance circuit conversely.
At the background color layer is under the situation of metal film (background color metal film, wire jumper metal film or circuit metal film); For the color that makes decorative pattern abundanter; As the present invention's preferred version further, it is characterized in that: the inboard of background color layer is the metal level through overdoping.The medial surface of background color layer is through doping treatment, and the inboard of background color layer can show the color that departs from virgin metal, makes that the color that sees through decorative pattern is abundanter.
At the background color layer is under the situation of metal film (background color metal film, wire jumper metal film or circuit metal film); For the color that obtains decorative pattern along with the color effect of dazzling of watching visual angle change; As the present invention's preferred version further, it is characterized in that: the background color layer is provided with many cracks of closely arranging and being parallel to each other.Through many cracks of closely arranging and being parallel to each other, constitute the crack grating, produce dispersion interaction, reach and dazzle color effect.In the case, more significantly dazzle color effect, further, reduce the reflected light of crevice place preferably at the black ink of background color layer outside printing one deck extinction in order to reach.
At the background color layer is under the situation of background color metal film, abundanter for the color that makes decorative pattern, as the present invention's preferred version further, it is characterized in that: also comprise the color emission layer that has colour filter or scattering function, it is inboard that color emission layer is located at the background color layer.Through inboard the color emission layer that one deck has colour filter or scattering function is set, makes decorative pattern can show the metallic luster that enriches color more at the background color layer.Color emission layer also just forms after coverage layer, sensing electrode, low-resistance circuit complete; Avoid covering layer, sensing electrode, the low-resistance circuit is polluted or problem such as fracture occurs; Simultaneously, also avoid decorative pattern in the manufacturing process of sensing electrode, low-resistance circuit, to take place to go bad or have influence on the process environments of making sensing electrode, low-resistance circuit conversely.
The protective seam of decorative pattern can also be set, to protect decorative pattern not to be worn or to corrode in the outside of covering layer.In the one chip capacitance touch screen of different structure, according to manufacturing process separately, the protective seam of decorative pattern can be constituted by the protective seam of nesa coating, insulation course, touch-screen itself or its.
A kind of manufacturing approach with one chip capacitance touch screen of decorative pattern; Be included in the transparency carrier back side and make the step of covering layer, sensing electrode and low-resistance circuit; Making the step of covering layer carried out before the step of making the low-resistance circuit; It is characterized in that: in making the step of covering layer, cover layer when being patterned into the frame shape, also be patterned into hollow out zone with decorative pattern shape.
Has transparent effect in order to reach decorative pattern; As preferred version of the present invention; In the manufacturing approach of above-mentioned touch-screen, the circuit metal membrane-coating of the wire jumper metal film of sensing electrode and low-resistance circuit is patterned into and has white space at least, and white space has covered the hollow out zone.
Has nontransparent effect in order to reach decorative pattern; As another kind of preferred version of the present invention, it is characterized in that: in the manufacturing approach of above-mentioned touch-screen, form after the hollow out zone; Also at the lateral surface of covering layer one deck background color layer is set, the background color layer covers the hollow out zone.
In a kind of concrete scheme, adopt printing ink on the hollow out zone, to print and form the background color layer; In the concrete scheme of another kind, adopt the pad pasting that has color on the hollow out zone, to attach and form the background color layer; In the third concrete scheme, adopt the metal film deposition technology on the hollow out zone, to deposit one deck background color metal film and form the background color layer.The step of above-mentioned making background color layer is all carried out after the step of making sensing electrode and low-resistance circuit is accomplished.
Be connected at the top of one chip capacitance touch screen under the situation of wire jumper metal film, have metallic luster, and simplify its manufacture process,, it is characterized in that as the further preferred version of the present invention in order to make decorative pattern:
The step of said making sensing electrode comprises the steps:
(1) the employing nesa coating is provided with the first sensing electrode piece at the back side of transparency carrier, the second sensing electrode piece is connected with the bottom; (promptly be, form nesa coating at the transparency carrier back side, transparent conducting film figure is turned to a plurality of first sensing electrode pieces and a plurality of second sensing electrode piece, the bottom that connects adjacent two first sensing electrode pieces is set simultaneously connects.)
(2) on the bottom connects, cross-over block is set; (promptly be, further form insulation course, and insulation course is patterned into cross-over block at the transparency carrier back side.)
(3 adopt the wire jumper metal film that the top is set connects; (promptly be, further form the wire jumper metal film, and the wire jumper metal film is patterned into the top connection at the transparency carrier back side.)
Said making is covered the step of layer and is carried out before in step (3); (promptly be,, form at the back side of transparency carrier and to cover layer, and when will covering layer pattern and turning to the frame shape, it is regional also it to be patterned into the hollow out with decorative pattern shape in step (3) arbitrary step before.)
The step of said making low-resistance circuit is carried out in step (3), and adopts the wire jumper metal film to form the low-resistance circuit; (promptly be further the wire jumper metal film to be patterned into the low-resistance circuit.)
Also comprise the step of making the background color layer, make the step and the step (3) of background color layer and carry out simultaneously, and adopt the wire jumper metal film to form the background color layer in hollow out zone.(promptly be in step (3), further the wire jumper metal film to be patterned into the background color layer that covers the hollow out zone.)
Be connected in the bottom of one chip capacitance touch screen under the situation of wire jumper metal film, have metallic luster, and simplified its manufacture process,, it is characterized in that as the further preferred version of the present invention in order to make decorative pattern:
The step of said making sensing electrode comprises the steps:
(1) adopting the wire jumper metal film that the bottom is set connects;
(2) on the bottom connects, cross-over block is set;
(3) the employing nesa coating is provided with the first sensing electrode piece, the second sensing electrode piece is connected with the top;
Said making is covered the step of layer and is carried out before in step (1);
The step of said making low-resistance circuit and step (1) are carried out simultaneously, and adopt the wire jumper metal film to form the low-resistance circuit;
Also comprise the step of making the background color layer, make the step and the step (1) of background color layer and carry out simultaneously, and adopt the wire jumper metal film to form the background color layer in hollow out zone.
On the hollow out zone, form after the wire jumper metal film as the background color layer; Can also further utilize step (2), step (3); On the hollow out zone, cover insulation course, nesa coating or its both combination; As the protective seam of background color layer, prevent that it from receiving the oxidation of environment, corrosive attack or scratch.
Connect in the bottom of one chip capacitance touch screen to be connected and be nesa coating with the top; And be provided with under the situation of circuit metal film, have metallic luster, and simplified its manufacture process in order to make decorative pattern; As the further preferred version of the present invention, it is characterized in that:
The step of said making sensing electrode comprises the steps:
(1) adopting first nesa coating that the bottom is set connects;
(2) on the bottom connects, cross-over block is set;
(3) employing second nesa coating is provided with the first induction electrode piece, the second sensing electrode piece is connected with the top;
The step of said making coverage layer was carried out before or after the step of making sensing electrode, or between step (1) and (3), carried out;
The step of said making low-resistance circuit is carried out after making the step of covering layer, and adopts the circuit metal film to form the low-resistance circuit;
Also comprise the step of making the background color layer, make the step of background color layer and carry out simultaneously, and adopt the circuit metal film to form the background color layer in hollow out zone with the step of making the low-resistance circuit.
In the above-mentioned manufacturing approach; Further the step of preferred fabrication low-resistance circuit is carried out in step (3) before, correspondingly, and after the step of making the background color layer; On the relevant position in hollow out zone, cover first nesa coating, insulation course or second nesa coating through step (1) or (2) or (3); Or wherein both combinations, or three's combination, as the protective seam of background color layer.Prevent that it from receiving the oxidation of environment, corrosive attack or scratch.
For adopting first nesa coating, second nesa coating to form first sensing electrode, second sensing electrode respectively; And be provided with the situation of circuit metal film; Only need connect and be connected on the basis of the manufacturing approach that is nesa coating with the top in the bottom; Step (1) is changed into " adopting first nesa coating that first sensing electrode is set ", get final product and step (3) is changed into " adopting second nesa coating that second sensing electrode is set ".
At the background color layer is under the situation of metal film (background color metal film, wire jumper metal film or circuit metal film); In above-mentioned manufacturing approach; In order to make the color effect of dazzling that has of decorative pattern; As the present invention's preferred version further, it is characterized in that: in the process that forms the background color layer, also on the background color layer, form many cracks of closely arranging and being parallel to each other.
At the background color layer is under the situation of metal film (background color metal film, wire jumper metal film or circuit metal film); In above-mentioned manufacturing approach; For the color that makes decorative pattern abundanter; As the present invention's preferred version further, it is characterized in that: mix impurity such as nitrogen, oxygen in deposition as the initial stage of the metal film of background color layer, make the inboard of background color layer be doped and show the color that departs from virgin metal.
At the background color layer is under the situation of background color metal film; In above-mentioned manufacturing approach, in order to obtain more background color layer color gloss, as the present invention's preferred version further; It is characterized in that: also before the background color metal film is set; And after coverage layer, sensing electrode, low-resistance circuit complete,, on the hollow out zone, form a color emission layer through methods such as printing-inks.
Generally speaking, the one chip capacitance touch screen also overleaf outermost cover layer protective layer, protective seam can be SiO2, also can be organic coating, preferably this protective seam also covers the hollow out zone, equally as the protective seam of decorative pattern.
The beneficial effect that the present invention contrasts prior art is: this capacitance touch screen with decorative pattern can be avoided the pollution of substrate and cause covering the problem that layer adhesion reduces; Avoid being arranged on sensing electrode, the low-resistance circuit of covering the layer back side and fracture occurs; Avoid decorative pattern that the process environments of making sensing electrode, low-resistance circuit takes place to go bad or have influence on conversely in the manufacturing process of sensing electrode, low-resistance circuit, therefore have higher fine ratio of product and reliability.
Description of drawings
Fig. 1 is the one-piece construction synoptic diagram of arbitrary embodiment in the embodiment of the invention one to eight, and the one-piece construction synoptic diagram of each embodiment is all the same;
Fig. 2 is the layer structure synoptic diagram of the embodiment of the invention one;
Fig. 3 is the layer structure synoptic diagram of the embodiment of the invention two;
Fig. 4 is the layer structure synoptic diagram of the embodiment of the invention three;
Fig. 5 is the layer structure synoptic diagram of the embodiment of the invention four;
Fig. 6 is the layer structure synoptic diagram of the embodiment of the invention five;
Fig. 7 is the layer structure synoptic diagram of the embodiment of the invention six.
Embodiment
Do further explanation below in conjunction with accompanying drawing and preferred implementation of the present invention.
Embodiment one
As depicted in figs. 1 and 2; This one chip capacitance touch screen with decorative pattern; Comprise that a transparency carrier 1, frame shape cover layer 2, sensing electrode 3 and low-resistance circuit 4; Cover layer 2 and be located at transparency carrier 1 back side, the marginal portion of sensing electrode 3 and low-resistance circuit 4 are located at successively to be in and are covered layer 2 outside, cover the hollow out zone 5 that has the decorative pattern shape on the layer 2.
The above-mentioned first sensing electrode piece 7, the second sensing electrode piece 8, bottom connect 9, the top connect 12 and low-resistance circuit 4 form by nesa coating 13.
Wherein, low-resistance circuit 4 all is arranged on outside the hollow out zone 5 with each rete that is used to form sensing electrode 3, guarantees to obtain transparent decorative pattern from transparency carrier 1 top view.
Its manufacturing approach is: when the back side of glass substrate makes frame shape coverage layer 2, be patterned into the hollow out zone 5 with decorative pattern shape with covering layer 2; Then make sensing electrode 3 (comprising that the first sensing electrode piece, the second sensing electrode piece, bottom connection, cross-over block are connected with the top) and low-resistance circuit 4; When making sensing electrode 3, each rete that forms sensing electrode 3 and low-resistance circuit 4 are all avoided hollow out zone 5 with low-resistance circuit 4.
In other concrete scheme of present embodiment; Because above-mentioned bottom connects, the top connects, the low-resistance circuit forms by bright conducting film, like this all be in each rete of covering outside the layer be transparent, therefore; Can be with nesa coating, insulation course; Perhaps its combination covers on the hollow out zone, plays the effect that protection hollow out zone is not worn, and can not influence the transparent effect of decorative pattern.
In other concrete scheme of present embodiment; The bottom connects, the top connects or the low-resistance circuit can be formed by metal film; In this case; As long as when making sensing electrode and low-resistance circuit, the rete that comprises metal film in sensing electrode and the low-resistance circuit is avoided the hollow out zone, just can reach decorative pattern is transparent effect.
Embodiment two
As shown in figures 1 and 3, under all identical situation of other situation, comprise also through the metal film deposition technology being coated on the background color metal film 14 of covering layer 2 outside that background color metal film 14 covers hollow outs zone 5 with embodiment one, background color metal film 14 is as the background color layer.
Difference on the manufacturing approach is: accomplish the making of sensing electrode 3 and low-resistance circuit 4 at embodiment one after, be coated with one deck background color metal film 14 as background color layer 15 in the outside of covering layer 2 through the metal film deposition technology, and cover hollow out zone 5.
In other concrete scheme of present embodiment, the background color layer also can be the printing ink of certain color, gloss, texture, forms in the printing of the outside in hollow out zone, and at this moment, the background color layer need be provided with after accomplishing at sensing electrode, low-resistance circuit.
In other concrete scheme of present embodiment, the background color layer can also be the pad pasting of certain color, gloss, texture, attaches in the outside of covering layer to form.
Embodiment three
Like Fig. 1 and shown in Figure 4; This one chip capacitance touch screen with decorative pattern; Comprise that a transparency carrier 1, frame shape cover layer 2, sensing electrode 3 and low-resistance circuit 4; Cover layer 2 and be located at transparency carrier 1 back side, the marginal portion of sensing electrode 3 and low-resistance circuit 4 are located at successively to be in and are covered layer 2 outside, cover the hollow out zone 5 that has the decorative pattern shape on the layer 2.
The first sensing electrode piece 7, the second sensing electrode piece 8, bottom connect 9 and form by nesa coating 13; Top connection 12 is formed by wire jumper metal film 16 with low-resistance circuit 4.
At the corresponding site in hollow out zone 5, wire jumper metal film 16 is located at the outside of covering layer 2, and covers hollow out zone 5, as background color layer 15.
This manufacturing approach with one chip capacitance touch screen of decorative pattern comprises:
On transparency carrier 1, be provided with earlier and cover layer 2 and hollow out zone 5, that is to say, form at the back side of transparency carrier 1 and cover layer 2, and when will covering layer 2 and being patterned into the frame shape, also it is patterned into the hollow out regional 5 with decorative pattern shape;
Carry out following steps then in regular turn:
(1) adopt nesa coating 13 that the first sensing electrode piece 7 is set, the second sensing electrode piece 8 is connected 9 with the bottom; That is to say; Further form nesa coating 13 at transparency carrier 1 back side; Nesa coating 13 is patterned into a plurality of first sensing electrode pieces 7 and a plurality of second sensing electrode pieces 8, the bottom that connects adjacent two first sensing electrode pieces 7 is set simultaneously connects 9;
(2) cross-over block 11 is set, that is to say, further form insulation course 10, and insulation course 10 is patterned into the cross-over block 11 that is on the bottom connection 9 at transparency carrier 1 back side;
(3) top connection 12, low-resistance circuit 4 and background color layer 15 are set.That is to say, further form wire jumper metal film 16, and when wire jumper metal film 16 being patterned into top connection 12, low-resistance circuit 4, it is patterned into the background color layer 15 that covers hollow out zone 5 at transparency carrier 1 back side.
Embodiment four
Like Fig. 1 and shown in Figure 5, under all identical with embodiment three situation of other part, its difference is: the top connects 12 and is formed by nesa coating 13, and bottom connection 9 is formed by wire jumper metal film 16.
This manufacturing approach with one chip capacitance touch screen of decorative pattern comprises:
On transparency carrier 1, be provided with earlier and cover layer 2 and hollow out zone 5;
Carry out following steps then in regular turn:
(1) bottom connection 9, low-resistance circuit 4 and background color layer 15 are set; That is to say, further form wire jumper metal film 16, and when wire jumper metal film 16 being patterned into bottom connection 9, low-resistance circuit 4, it is patterned into the background color layer 15 that covers hollow out zone 5 at transparency carrier 1 back side;
(2) cross-over block 11 is set, that is to say, further form insulation course 10, and insulation course 10 is patterned into the cross-over block 11 that is on the bottom connection 9 at transparency carrier 1 back side;
(3) adopt nesa coating 13 that the first sensing electrode piece 7 is set, the second sensing electrode piece 8 is connected 12 with the top.
In other concrete scheme of present embodiment; On the hollow out zone, form after the wire jumper metal film as the background color layer; Can also further utilize step (2), (3) on the hollow out zone, to cover insulation course, nesa coating or its both combination; As the protective seam of background color layer, prevent that it from receiving the oxidation of environment, corrosive attack or scratch.
Embodiment five
Like Fig. 1 and shown in Figure 6; This one chip capacitance touch screen with decorative pattern; Comprise that a transparency carrier 1, frame shape cover layer 2, sensing electrode 3 and low-resistance circuit 4; Cover layer 2 and be located at transparency carrier 1 back side, the marginal portion of sensing electrode 3 and low-resistance circuit 4 are located at successively to be in and are covered layer 2 outside, cover the hollow out zone 5 that has the decorative pattern shape on the layer 2.
The bottom connects 9 and forms by first nesa coating 17, and the first sensing electrode piece 7, the second sensing electrode piece 8 are connected 12 and are formed by second nesa coating 18 with the top, and low-resistance circuit 4 is formed by circuit metal film 19.
At the corresponding site in hollow out zone 5, circuit metal film 19 is located at the outside of covering layer 2, and covers hollow out zone 5, as background color layer 15.
This manufacturing approach with one chip capacitance touch screen of decorative pattern comprises:
On transparency carrier 1, be provided with earlier and cover layer 2 and hollow out zone 5;
Carry out following steps then in regular turn:
(1) adopts first nesa coating 17 that the bottom is set and connect 9;
(2) cross-over block 11 is set;
(3) adopt second nesa coating 18 that the first induction electrode piece 7 is set, the second sensing electrode piece 8 is connected 12 with the top;
(4) adopt circuit metal film 19 that low-resistance circuit 4 and background color layer 15 are set.That is to say, further form circuit metal film 19, and when circuit metal film 19 is patterned into low-resistance circuit 4, it is patterned into the background color layer 15 that covers hollow out zone 5 at transparency carrier 1 back side.
In other concrete scheme of present embodiment; Also can step (4) be adjusted at and the step of covering layer be set and the arbitrary step between the step (3) carries out; That is to say; Just utilize step (4) at hollow out zone formation background color layer with the arbitrary step between the step (3) in that the step of covering layer is set, therefore, can also further utilize step (1), (2) or (3) on the hollow out zone, to cover first nesa coating, insulation course, second nesa coating or its both or three's combination; As the protective seam of background color layer, prevent that it from receiving the oxidation of environment, corrosive attack or scratch.
In other concrete scheme of present embodiment; For adopting first nesa coating, second nesa coating to form first sensing electrode, second sensing electrode respectively; And be provided with the situation of circuit metal film; Only need be connected on the basis of the manufacturing approach that is nesa coating with the top, step (1) changed into " adopting first nesa coating that first sensing electrode is set ", get final product and step (3) is changed into " adopting second nesa coating that second sensing electrode is set " in the bottom connection.
Embodiment six
Like Fig. 1 and shown in Figure 7, under all identical with embodiment five situation of other situation, its difference is: form on the circuit metal film 19 of background color layer 15 and also be provided with many cracks of closely arranging and being parallel to each other 20.
Compare with embodiment five; The difference of its manufacturing approach is: in the step of manufacturing (4) of embodiment five; Be provided with when adopting circuit metal film 19 that low-resistance circuit 4 and background color layer 15 are set, background color layer 15 corresponding part circuit metal film 19 are patterned into have many cracks of closely arranging and being parallel to each other 20.
The foregoing description three to five, among each embodiment, step that make to cover layer need not to be placed on the first step carries out, and before the step of making the low-resistance circuit, carries out just passable as long as make the step of covering layer.
The foregoing description two to five, among each embodiment, its background color layer forms by metal film (background color metal film, wire jumper metal film or circuit metal film), and the corresponding part metals film of background color layer all can be provided with many cracks of closely arranging and being parallel to each other 20.
In other embodiments; At the background color layer is under the situation of metal film (background color metal film, wire jumper metal film or circuit metal film); For the color that makes decorative pattern abundanter; Mix impurity such as nitrogen, oxygen in deposition as the initial stage of the metal film of background color layer, make the inboard of background color layer show the color that departs from virgin metal because of being doped.
In other embodiments; At the background color layer is under the situation of background color metal film; In order to obtain more background color layer color gloss, can also be before metal film be set, and covering after layer, sensing electrode, low-resistance circuit complete; Through methods such as printing-inks, on the hollow out zone, form a color emission layer.
In other embodiments; This one chip capacitance touch screen with decorative pattern outermost overleaf also covers layer protective layer, and protective seam can be SiO2, also can be organic coating; Preferred this protective seam also covers the hollow out zone, same protective seam as decorative pattern.
Claims (10)
1. one chip capacitance touch screen with decorative pattern; Comprise a transparency carrier, cover layer, sensing electrode and low-resistance circuit; Cover layer and be located at the transparency carrier back side; The marginal portion of sensing electrode and low-resistance circuit are located at successively to be in and are covered the layer outside, it is characterized in that: the said hollow out zone that has the decorative pattern shape on the layer of covering.
2. one chip capacitance touch screen as claimed in claim 1 is characterized in that: said sensing electrode, low-resistance circuit all are arranged on outside the hollow out zone, and perhaps the nontransparent rete in sensing electrode, the low-resistance circuit is arranged on outside the hollow out zone.
3. one chip capacitance touch screen as claimed in claim 1 is characterized in that: also comprise the background color layer, the background color layer is located at the outside of covering layer and is covered on the hollow out zone.
4. one chip capacitance touch screen as claimed in claim 3 is characterized in that: said background color layer is for being coated on the background color metal film of covering the layer outside through the metal film deposition technology.
5. one chip capacitance touch screen as claimed in claim 3 is characterized in that: said sensing electrode comprises that wire jumper metal film or low-resistance circuit comprise the circuit metal film; Said background color layer is made up of wire jumper metal film or circuit metal film.
6. manufacturing approach with one chip capacitance touch screen of decorative pattern; Be included in the transparency carrier back side and make the step of covering layer, sensing electrode and low-resistance circuit; Making the step of covering layer carried out before the step of making the low-resistance circuit; It is characterized in that: in making the step of covering layer, cover layer when being patterned into the frame shape, also be patterned into hollow out zone with decorative pattern shape.
7. manufacturing approach as claimed in claim 6 is characterized in that:
The step of said making sensing electrode comprises the steps:
(1) the employing nesa coating is provided with the first sensing electrode piece at the back side of transparency carrier, the second sensing electrode piece is connected with the bottom;
(2) on the bottom connects, cross-over block is set;
(3) adopting the wire jumper metal film that the top is set connects;
Said making is covered the step of layer and is carried out before in step (3);
The step of said making low-resistance circuit and step (3) are carried out simultaneously, and adopt the wire jumper metal film to form the low-resistance circuit;
Also comprise the step of making the background color layer, make the step of background color layer and in step (3), carry out, and adopt the wire jumper metal film to form the background color layer in hollow out zone.
8. manufacturing approach as claimed in claim 6 is characterized in that:
The step of said making sensing electrode comprises the steps:
(1) adopting the wire jumper metal film that the bottom is set connects;
(2) on the bottom connects, cross-over block is set;
(3) the employing nesa coating is provided with the first sensing electrode piece, the second sensing electrode piece is connected with the top;
Said making is covered the step of layer and is carried out before in step (1);
The step of said making low-resistance circuit and step (1) are carried out simultaneously, and adopt the wire jumper metal film to form the low-resistance circuit;
Also comprise the step of making the background color layer, make the step and the step (1) of background color layer and carry out simultaneously, and adopt the wire jumper metal film to form the background color layer in hollow out zone.
9. manufacturing approach as claimed in claim 6 is characterized in that:
The step of said making sensing electrode comprises the steps:
(1) adopting first nesa coating that the bottom is set connects;
(2) on the bottom connects, cross-over block is set;
(3) employing second nesa coating is provided with the first induction electrode piece, the second sensing electrode piece is connected with the top;
The step of said making coverage layer was carried out before or after the step of making sensing electrode, or between step (1) and (3), carried out;
The step of said making low-resistance circuit is carried out after making the step of covering layer, and adopts the circuit metal film to form the low-resistance circuit;
Also comprise the step of making the background color layer, make the step of background color layer and carry out simultaneously, and adopt the circuit metal film to form the background color layer in hollow out zone with the step of making the low-resistance circuit.
10. manufacturing approach as claimed in claim 9; It is characterized in that: the step of making the low-resistance circuit is carried out in step (3) before, correspondingly, and after the step of making the background color layer; On the relevant position in hollow out zone, cover first nesa coating, insulation course or second nesa coating through step (1) or (2) or (3); Or wherein both combinations, or three's combination, as the protective seam of background color layer.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011103008162A CN102508584A (en) | 2011-09-30 | 2011-09-30 | Monolithic capacitance touch screen with decorative patterns and manufacture method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011103008162A CN102508584A (en) | 2011-09-30 | 2011-09-30 | Monolithic capacitance touch screen with decorative patterns and manufacture method thereof |
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| CN102508584A true CN102508584A (en) | 2012-06-20 |
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| CN2011103008162A Pending CN102508584A (en) | 2011-09-30 | 2011-09-30 | Monolithic capacitance touch screen with decorative patterns and manufacture method thereof |
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Application publication date: 20120620 |