Summary of the invention
For improving the not good and limited shortcoming of range of application of existing capacitance type touch-control panel fine ratio of product, fundamental purpose of the present invention is providing a kind of capacitance type touch-control panel, and it has high fine ratio of product and is fit to the large scale manufacturing.
For reaching the major technique means that aforementioned purpose takes is to make aforementioned capacitance type touch-control panel comprise:
One glass substrate, it has a circuit surface;
Once touch-control sensing circuit layer is to be formed on the circuit surface of described glass substrate;
Dielectric ink water layer once, be to form and be covered on the edge of described touch-control sensing circuit layer down, make the following touch-control sensing circuit layer that is covered constitute a Touch Zone, following touch-control sensing circuit layer edge was formed with a plurality of grooves of wearing to described again down dielectric ink water layer in that correspondence covers, and respectively wearing in the groove is to be filled with color and the described time identical conductive layer of dielectric ink water layer;
Once conductor layer is to form and be covered on the described dielectric ink water layer down, and is electrically connected with described touch-control sensing circuit layer down by the described conductive layer of wearing in the groove;
Once insulation course is to form and be covered on the described lower wire layer, is to have a breach and the lower wire layer of exposed portions serve on the described again insulation course down;
Conductive adhesive layer once is to be formed at indentation, there on the described insulation course down and to cover the lower wire layer that exposes;
One flexible circuit board is to be located on the described down conductive adhesive layer, and extends to outside the described glass substrate, and described again flexible circuit board is to be electrically connected with described touch-control sensing circuit layer down by described conductive adhesive layer down and conductive layer;
One transparent insulation glue-line is to be formed on described Touch Zone and the following insulation course;
Insulation course on one is to be formed on the described transparent insulation glue-line, and described again going up on the insulation course is to have a breach and expose described flexible circuit board;
Conductive adhesive layer on one is to be formed at describedly to go up the indentation, there of insulation course and contact with described flexible circuit board;
One upper conductor layer is to form and be covered in described going up on conductive adhesive layer and the last insulation course;
Dielectric ink water layer on one is to form and be covered on the described upper conductor layer, is to be formed with a plurality of grooves of wearing on the described again upward dielectric ink water layer, and respectively wearing in the groove is to be filled with and the contact of described upper conductor layer and color and the described identical conductive layer of dielectric ink water layer of going up;
Touch-control sensing circuit layer on one is to be formed on the described transparent insulation glue-line, and dielectric ink water layer on the cover part, and goes up the conductive layer that the dielectric ink water layer wears in the groove and contact with described;
One glass cover-plate is to have a circuit surface, and described again glass cover-plate is to be located at described going up on touch-control sensing circuit layer and the last dielectric ink water layer with its circuit surface.
Utilize above-mentioned technological means, because touch-control sensing circuit layer is to contact with glass cover-plate with described glass substrate respectively with last touch-control sensing circuit layer under described, therefore on technology, can design and make described glass substrate and glass cover-plate form described touch-control sensing circuit layer and last touch-control sensing circuit layer down with the technology of separating, because utilizing sheet glass technology has been proven technique to the manufacturing that sheet glass carries out the single face line layer, therefore the technology yield is good, and preferable fine ratio of product then helps making large size panel.
Embodiment
About a preferred embodiment of the present invention; seeing also Figure 1 and Figure 2, is to comprise a glass substrate 11, once touch-control sensing circuit layer 12, once dielectric ink water layer 13, once conductor layer 14, once insulation course 15, once a protective seam 51 and a lower protective layer 52 on touch-control sensing circuit layer 45 on the dielectric ink water layer 44, on conductive adhesive layer 42 on the insulation course 41, on conductive adhesive layer 16, a flexible circuit board 20, the transparent insulation glue-line 30,, the upper conductor layer 43,, the glass cover-plate 46.
Above-mentioned glass substrate 11 has a circuit surface 111.
Above-mentioned touch-control sensing circuit layer 12 down is to be formed on the circuit surface 111 of described glass substrate 11; In the present embodiment, described touch-control sensing circuit layer 12 down is made up of the following touch control line of two-layer equation touch control electrode layer, for example the X-axis touch control line.
Above-mentioned dielectric ink water layer 13 down is to form and be covered on the edge of described touch-control sensing circuit layer 12 down, make the following touch-control sensing circuit layer 12 that is covered constitute a Touch Zone 131, following touch-control sensing circuit layer 12 edge were formed with a plurality of grooves 132 of wearing to described again down dielectric ink water layer 13 in that correspondence covers, and respectively wearing in the groove 132 is to be filled with conductive layer 133; In the present embodiment, described dielectric ink water layer 13 down is to adopt dark ink, with printing and technology such as baking dark ink is attached on the circuit surface 111 of described glass cover-plate 11 and is shaped, the desire setting is worn groove 132 places and is not then printed dark ink and make and wear groove 132 and be shaped, so the side in addition with respect to circuit surface 111 on described glass cover-plate 11 is seen it, described dielectric ink water layer 13 down has the effect of covering; In addition, described conductive layer 133 is to adopt and the described identical or approximate conductive materials of color of dielectric ink water layer 13 down, so can shelter the existence of wearing groove 132.
Above-mentioned lower wire layer 14 is to form and be covered on the described dielectric ink water layer 13 down, and is electrically connected with described touch-control sensing circuit layer 12 down by the described conductive layer of wearing in the groove 132 133.
Above-mentioned insulation course 15 down is to form and be covered on the described lower wire layer 14, causes oxidation to avoid described lower wire layer 14 in the air because of being exposed to, and described again have a breach 151 and the lower wire layer 14 of exposed portions serve on the insulation course 15 down; In the present embodiment, described insulation course 15 down is to adopt transparent insulation material.
Above-mentioned down conductive adhesive layer 16 is to be formed at breach 151 places on the described insulation course 15 down and to cover the lower wire layer 14 that exposes; In the present embodiment, described conductive adhesive layer 16 is to adopt anisotropy conducting film (Anisotropic Conductive Film is called for short ACF) or anisotropic conductive (AnisotropicConductive Paste is called for short ACP).
On technology, can design the technology of conductive adhesive layer 16 under a lower plate technology is finished aforementioned glass substrate 11, touch-control sensing circuit layer 12, following dielectric ink water layer 13, lower wire layer 14, following insulation course 15 reach down.
Above-mentioned flexible circuit board 20 has a lower surface 21 and upper surface 22, and described flexible circuit board 20 is to be located on the described conductive adhesive layer 16 down with its lower surface, and extend to outside the described glass substrate 11, described again flexible circuit board 20 is to wear the conductive layer 133 in the groove 132 and be electrically connected with described touch-control sensing circuit layer 12 down by described down conductive adhesive layer 16 and described dielectric ink water layer 13 down.
Above-mentioned transparent insulation glue-line 30 is to be formed on described Touch Zone 131 and the following insulation course 15.
The above-mentioned insulation course 41 of going up is to be formed on the described transparent insulation glue-line 30, and described again going up on the insulation course 41 is to have a breach 411 and expose described flexible circuit board 20.
The above-mentioned conductive adhesive layer 42 of going up is to be formed at describedly to go up breach 411 places of insulation course 41 and contact with the upper surface 22 of described flexible circuit board 20.
Above-mentioned upper conductor layer 43 is to form and be covered in described going up on conductive adhesive layer 42 and the last insulation course 41.
The above-mentioned dielectric ink water layer 44 of going up is to form and be covered on the described upper conductor layer 43, is to be formed with a plurality of grooves 441 of wearing on the described again upward dielectric ink water layer 44, and respectively wearing in the groove 441 is to be filled with the conductive layer 442 that contacts with described upper conductor layer 43; In the present embodiment, described conductive layer 442 is to adopt and the described identical or approximate conductive materials of color of going up dielectric ink water layer 44, wears existing of groove 441 to shelter.
Above-mentioned upward touch-control sensing circuit layer 45 is to be formed on the described transparent insulation glue-line 30, and dielectric ink water layer 44 on the cover part, and the conductive layer of wearing in the groove 441 with described upward dielectric ink water layer 44 442 contacts, thus, the described touch-control sensing circuit layer 45 of going up can be electrically connected with described flexible circuit board 20 by conductive layer 442 and the described conductive adhesive layer 42 of going up that described upward dielectric ink water layer 44 is worn in the groove 441; In the present embodiment, the described touch-control sensing circuit layer 45 of going up is made up of the last touch control line of two-layer equation touch control electrode layer, for example the Y-axis touch control line.
Above-mentioned glass cover-plate 46 is to have a circuit surface 461, described again glass cover-plate 46 is to be located at described going up on touch-control sensing circuit layer 45 and the last dielectric ink water layer 44 with its circuit surface 461, therefore see it with respect to the side in addition of circuit surface 461 from described glass cover-plate 46, the described dielectric ink water layer 44 of going up has the effect of covering circuit.
On technology, can design with one with described lower plate technology independently upper plate technology finish aforementionedly go up insulation course 41, go up conductive adhesive layer 42, upper conductor layer 43, the manufacturing of going up dielectric ink water layer 44, going up touch-control sensing circuit layer 45 and glass cover-plate 46.
See also shown in Figure 2; the above-mentioned protective seam 51 of going up is to be pasted between the side of the upper surface 22 of described flexible circuit board 20 and described glass cover-plate 46; thus during the described flexible circuit board 20 of protection bending; the side of unlikely and described glass cover-plate 46 directly contacts, and therefore can avoid described flexible circuit board 20 to damage because of bending suffers the side cutting of described glass cover-plate 46.
Above-mentioned lower protective layer 52 is to be pasted between the side of the lower surface 21 of described flexible circuit board 20 and described glass substrate 11, and its effect is with described to go up protective seam 51 identical.
The present invention has following advantage:
1. by above-mentioned structure, can on technology, design the upper plate technology and the lower plate technology of separating, because of with present technical level, it is good to use sheet glass technology to carry out the making yield of single face line layer, so that structure of the present invention can make fine ratio of product have capacitance type touch-control panel now is good
2. because fine ratio of product of the present invention is preferable, so help making large size panel, it is wide to make the application of capacitance type touch-control panel of the present invention have capacitance type touch-control panel now.
3. contact panel of the present invention is that the circuit surface 461,111 at glass cover-plate 46 and glass substrate 11 forms upper and lower dielectric ink water layer 44,13 respectively, to cover the edge of upper and lower touch-control sensing circuit layer 45,12 respectively, so can cover upper and lower conductor layer 43,14, upper and lower insulation course 41,15 and the upper and lower conductive adhesive layer of being located between the described upper and lower dielectric ink water layer 44,13 42,16; Therefore, when desiring with the electronic product enclosure assembling after contact panel of the present invention is finished, the edge of casing can directly design in the edge of glass cover-plate 46 and glass substrate 11, increases the convenience in the contact panel design of the present invention.
4. because upper and lower touch-control sensing circuit layer 45,12 of the present invention and upper and lower conductor layer the 43, the 14th, be located between described glass substrate 11 and the glass cover-plate 46 and unlikely exposed, therefore when carrying contact panel of the present invention, can avoid carrying the problem that does not very cause upper and lower touch-control sensing circuit layer 45,12 and upper and lower conductor layer 43,14 to damage.
More than explanation is just illustrative for the purpose of the present invention, and nonrestrictive, those of ordinary skills understand; under the situation of the spirit and scope that do not break away from following claims and limited, can make many modifications, change; or equivalence, but all will fall within the scope of protection of the present invention.