Background technique
With the progress of development in science and technology, the electronic device of touch is more and more common, touch panel also with more light moreIt is thin to develop for target, so that touch panel module can reduce cost, and it can achieve application more efficiently.Therefore, in touch-controlIn the case that panel area is fixed, narrow frame design how is realized to meet the needs of people, also becomes an important researchProject.
The schematic diagram of the part-structure of the traditional touch panel of Fig. 1 system.Traditional touch panel 9 includes substrate 91, plural numberInduction electrode 92, conductive plate 93 and multiple perimeter circuits 941,942,943.The surface of substrate 91, which is distinguished, a non-touch-control region90, non-touch-control region 90 is located at the periphery of substrate 91 and forms a frame.Induction electrode 92, conductive plate 93 and the multiple weeks of plural numberSideline road 941,942,943 is all set on substrate 91, and conductive plate 93 and multiple perimeter circuits 941,942,943 also are located atNon-touch-control region 90, and multiple perimeter circuits 941,942,943 are electrically connected at the induction electrode 92 of plural number by conductive plate 93.Therefore, when user contacts the induction electrode 92 of plural number, the induction electrode 92 of plural number could be via corresponding perimeter circuit941,942 or 943 touch signal is correctly transmitted.
But since induction electrode 92 and conductive plate 93 have certain width, the induction electrode 92 and perimeter circuit of plural number941, the accommodating space that reserved conductive plate 93 is had between 942,943, will lead to the non-touch-control region 90 of conventional touch panelArea become larger, be not easy to realize narrow frame electronic product design requirement.In addition, induction electrode 92 and week due to plural numberIt is to be connected by conductive plate 93 between sideline road 941,942,943, it is thus possible to can be routed because of conductive plate 93 non-uniformRelationship, and cause the spacing of adjacent perimeter circuit 941,942,943 different.Just as in Fig. 1, perimeter circuit 941,942 itBetween spacing h1 and perimeter circuit 942,943 between spacing h2 it is not identical.Thus, it is possible to capacitor effect can be generatedIt answers, and influences the efficiency of touch panel 9.
Therefore a kind of manufacturing method of new touch panel and its touch panel of invention in need, to solve prior artMissing realizes narrow frame design.
Summary of the invention
For the defect for solving non-touch-control region, the touch panel of the present invention includes the induction electrode and plural number of substrate, plural numberConducting wire.The induced electricity polar system of plural number is set on substrate.The conducting wire of plural number is formed by conductive layer, and is set to substrateOn, the conducting wire system of plural number is located at the side of the induction electrode of plural number, wherein each conducting wire system be directly electrically connected at it is eachInduction electrode, and the distance between each adjacent wires are equal.
In certain embodiments, which is cut into using a laser beam or a yellow light process etches cutting for plural numberScore, to form the conducting wire of the plural number.
In certain embodiments, there is a lap-joint between the induction electrode of the plural number and the conducting wire of the plural number；Wherein shouldLap-joint is also cut using laser Shu Jinhang or is etched using the yellow light process, is cut the conductive layer simultaneously whereby and is somebody's turn to doThe induction electrode of plural number.
In certain embodiments, one of conductive layer edge has the cut place of plural number, which follows the plural numberCut place the conducting wire of the plural number is respectively cut out.
In certain embodiments, the partial region system of the induction electrode of the plural number is directly arranged at the conductive layer and the substrateBetween.
In certain embodiments, the wavelength of the laser beam can be 532nm or 1064nm.
In certain embodiments, the conducting wire system of the plural number is using made by a metal material or an electrically conducting transparent material.
In certain embodiments, the distance between any adjacent wires are between 5 μm to 30 μm.
In certain embodiments, the induced electricity polar system of the plural number using a transparent conductive oxide, a conducting polymer orMade by one nano carbon tubes material.
In certain embodiments, the patterning of the induction electrode of the plural number is a hexagon.
The method of the touch panel manufacture of the present invention is the following steps are included: provide substrate；The induction electrode of plural number is provided, withIt is set on substrate；Conductive layer is provided, to be set on substrate；And cutting process is carried out, to be cut into plural number in conductive layerCutting trace so that the induction electrode of plural number is electrically connected with corresponding conducting wire to distinguish the conducting wire that pluralizes；WhereinThe distance between each adjacent wires are equal.
In certain embodiments, the step for carrying out the cutting process further includes: in being cut on the conductive layer using a laser beamIt cuts or a yellow light process etches the cutting trace of plural number, to form the conducting wire of the plural number.
In certain embodiments, system, one of induction electrode of plural number lap-joint is directly electrically connected at the conductive layer, intoThe step of the row cutting process further includes: while cutting the induction electrode of the lap-joint, the conductive layer and the plural number.
In certain embodiments, the method for touch panel manufacture, further includes: providing cutting for plural number in the edge of the conductive layerCut place；And the cut place is followed to execute the cutting process.
In certain embodiments, the partial region system of the induction electrode of the plural number is directly arranged at the conductive layer and the substrateBetween.
It in certain embodiments, is that the laser Shu Zhihang of the 532nm or 1064nm laser cuts process using wavelength.
In certain embodiments, the conductive layer is made using a metal material or an electrically conducting transparent material.
In certain embodiments, it is made using a transparent conductive oxide, a conducting polymer or a nano carbon tubes materialThe induction electrode of the plural number.
In certain embodiments, the patterning of the induction electrode of the plural number is a hexagon.
The present invention provides a kind of touch panel and its manufacturing method.In the embodiment, touch panel has plural numberInduction electrode and conductive layer, and the induction electrode of plural number and conductive layer have lap-joint, conductive layer is cut into plural number with laser beamCutting trace, to be distinguished into a plurality of perimeter circuits, so that sensing electrode layer and corresponding perimeter circuit are electrically connected.WithReach the effect for reducing non-touch-control region area whereby.
Specific embodiment
For that can allow your juror that can know more about the technology contents of the present invention, spy lifts preferred embodiment and is described as follows.And it is noted that so-called orientation "upper" and "lower" in this specification, are intended merely to indicate opposite positional relationship, for thisFor the schema of specification, the top of touch panel is further away from user, and lower section is then closer to user.In addition, this explanationSo-called in book " transparent " and " opaque " is intended merely to indicate the property of substance transmitted light.For the present invention, wherein "It is transparent " it is defined as user and can see the object positioned at the substrate rear through substrate during normal use touch panelBody, and " opaque " is defined as user and sees through substrate positioned at the substrate rear during normal use touch panelObject.
It please refer to the schematic diagram of the part-structure of the touch panel of Fig. 2 system present invention.
The present invention provides a kind of touch panel 10, and touch panel 10 includes substrate 20, the induction electrode 30 of plural number and conductionLayer 40, and 10 system of touch panel divide into can touch area and be set to can touch area side non-touch-control region.Substrate 20It can be transparent material, material can be ethylene terephthalate (PET), polyether sulfone (PES), polyacrylate (PAR), poly- naphthaleneNaphthalate (PEN), polyphenylene sulfide (PPS), polyallyl (polyallylate), polycarbonate (PC), glass orIts analog or aforementioned combination are constituted.In addition, substrate 20 can be hard substrate or flexible substrate, shape can be flatFace shape, curve form or other irregular shapes, the present invention is not limited thereto.
30 system of induction electrode of plural number is set on substrate 20, and wherein the induction electrode 30 of the plural number can utilize transparentConductive oxide, conducting polymer or nano carbon tubes material are made, such as tin indium oxide (ITO), indium zinc oxide (IZO), oxidationCadmium tin (CTO), aluminum zinc oxide (AZO), indium oxide zinc-tin (IZTO), zinc oxide (zinc oxide), cadmium oxide (CdO), oxidationHafnium (HfO), indium gallium zinc (IGZO), indium gallium zinc-magnesium, indium gallium magnesium, indium gallium aluminium, nanometer metal, metal grillThe materials such as (meal mesh) or graphene or aforementioned combination are made, and the pattern of the induction electrode 30 of plural number can be quadrangle(such as rectangle) or hexagon (such as regular hexagon) etc., but the present invention is not limited thereto.30 system of induction electrode of plural number is for makingUser contacts to generate touch signal, therefore 30 system of induction electrode of plural number is located at least in the touch area range of touch panel 10It is interior.Due to the induction electrode 30 by plural number obtain touch signal in the way of it is usual by tool in the technical field of the inventionSkill is widely applied, therefore details are not described herein its principle.
40 system of conductive layer is set on the substrate 20, and wherein 40 system of conductive layer is that a metal material or one transparent leadMade by electric material, for example, silver, molybdenum, aluminium, chromium or other etc. the electric conductivity preferably electrically conducting transparents material such as metal, tin indium oxide,Or aforementioned combination is constituted, but the present invention is not limited to above-mentioned cited materials.The corresponding non-touch-control region of conductive layer 40 andSetting, is located at the side of the induction electrode 30 of plural number, can also be surrounded on the periphery of induction electrode 30, the present invention is not limited toThis.The induction electrode 30 of plural number also further extends in the non-touch-control region of touch panel 10.The induction electrode 30 of plural number withThere is lap-joint 31 between conductive layer 40, the partial region system of the induction electrode 30 of plural number is made to be directly contacted with conduction region 40, byThis is electrically connected at conductive layer 40.
40 system of conductive layer is cut using a laser beam 51 (or laser beam) (as shown in fig. 2 a or 2b), to be cut intoThe cutting trace 52 of plural number, whereby in the conducting wire 41 for becoming plural number on conductive layer 40.Just as shown in Fig. 2A, Fig. 2A is please referred to hereinIt is the cross-sectional view of the touch panel of the present invention.The wavelength of the laser beam 51 cut can for 532nm green laser orThe infrared light laser of 1064nm, but the present invention is not limited thereto.
It is noted that the present invention can also obtain the conducting wire 41 of plural number in the way of yellow light process etc., here is with thunderThe mode of 51 cutting of beam is illustrated, but the present invention is not limited thereto cutting mode.
When being cut, laser beam 51 is lain between different induction electrodes 30, and conductive layer 40 is carried out to be cut into plural numberConducting wire 41, induction electrode 30 is divided and is connected to different conducting wires 41.In this way, which induction electrode 30 can haveThe conducting wire 41 of correspondence, and the distance between each adjacent wires 41 be it is equal, for example, about between 5 μm to 30 μm, but the present invention is simultaneouslyIt is without being limited thereto.In one of present invention embodiment, the edge of conductive layer 40 has the cut place 42 of plural number, makes laser beam 51 canThe cut place 42 of the plural number is followed so that the cutting trace 52 of plural number is respectively cut out, conductive layer 40 is allowed to be divided into different conducting wires 41, andIt can ensure that the distance between each adjacent wires 41 are equal.Whereby, 30 system of induction electrode of difference is able to and different conducting wire 41It is electrically connected, to transmit in different touch signal to the control module (not shown) of touch panel 10.Due to this touch panelIt is applicable to any calculation mode, therefore the control mode principle of details are not described herein touch signal.
Next referring to Fig. 2 B, Fig. 2 B system is the touch panel of the present invention in the cross-sectional view of the side B-B according to fig. 2.
In one of present invention embodiment, when the induction electrode 30 of plural number is connect with conductive layer 40,31 system, lap-jointIt is directly arranged at the lower section of conductive layer 40, in other words, partial region (such as lap-joint 31) system of induction electrode 30 directly setsIt is placed between conductive layer 40 and substrate 20, but the present invention is not limited thereto connection type.And conduction region 40 and induction electrode 30 itBetween lap-joint 31 range system is close or position slightly above first cutting trace 52 on conductive layer 40, lap-joint 31 itWidth is about 0.2mm or less.It is noted that induction electrode 30 shown in Fig. 2 and its lap-joint 31 are only to illustrate, this hairIt is bright not to be limited with component ratio shown in Fig. 2.And when the range of lap-joint 31 is cut slightly above first on conduction region 40When the position of score 52, lap-joint 31 can be cut by laser beam 51 together, also just represent conductive layer 40 and induction electrode 30 simultaneouslyIt is cut.The conducting wire 41 for the difference being cut into whereby also can connect the induction electrode 30 of difference, without will cause asking for short circuitTopic.
In this way, which the induction electrode 30 of difference is able to be electrically connected from different conducting wire 41, to transmit individually touch-control newsNumber, it not will lead to and be mutually conducted between the induction electrode 30 of difference, the problem of short circuit will not be caused.And the width of conductive layer 40Degree system is less than 1mm, and in the better embodiment of the present invention, the width of conductive layer 40 can be contracted to 0.77mm, can be effectiveIt is big small that ground reduces non-touch-control region.
Next referring to the flow chart of steps of the method for the touch panel manufacture of Fig. 3 system present invention.It must be noted thatThough illustrating the method for the touch panel manufacture of the present invention by taking touch panel 10 as an example below, the touch panel of the present invention manufactures itMethod is not limited with being used in above-mentioned mutually isostructural touch panel 10.
Step 301 is carried out first: a substrate is provided.
It is that a substrate 20 is first set when carrying out the process of manufacture touch panel 10 first.
Secondly it carries out step 302: the induction electrode of plural number is provided, to be set on the substrate.
It secondly will be the induction electrode 30 that plural number is set on substrate 20.The induction electrode 30 of plural number is transparent using oneConductive oxide, a conducting polymer or a nano carbon tubes material are made.
Then it carries out step 303: a conductive layer is provided, to be set on the substrate.
Then equally conductive layer 40 is set on the substrate 20.Conductive layer 40 using metal material or transparent can be ledElectric material is made, but the present invention is not limited thereto.The width of conductive layer 40 is smaller than 1mm, and straight with the induction electrode of plural number 30It connects in succession, and forms a lap-joint 31.30 system of induction electrode of plural number is located at the side of conductive layer 40, can also set conductive layer 40It is placed in around the periphery of induction electrode 30, surrounds induction electrode 30 by conductive layer 40, but the present invention is not limited thereto.In addition,The lap-joint 31 of the induction electrode 30 of the plural number can also be directly arranged at the lower section of conductive layer 40, in other words, induction electrode30 partial region (such as lap-joint 31) system is directly arranged between conductive layer 40 and substrate 20, but the present invention is not limited theretoFramework.
Finally carry out step 304: carrying out a cutting process to be cut into the conducting wire 41 of plural number in the conductive layer 40 makes thisThe induction electrode of plural number is able to be electrically connected with the conducting wire of the respectively corresponding plural number, wherein the distance between each adjacent wiresIt is equal.
It is finally to carry out cutting process using laser beam 51, to be cut into the cutting trace 52 of plural number on conductive layer 40, byThis allows conductive layer 40 to form the conducting wire 41 of plural number.And it is noted that cutting process can use laser or yellow light process etc.Mode, the present invention is not limited thereto.In addition, laser beam 51 can also cut lap-joint 31, that is, conductive layer 40 is cut simultaneouslyAnd the induction electrode 30 of plural number.In this way, plural induction electrode 30 appoints the two not to be electrically connected with identical conducting wire 41,So that the induction electrode 30 of plural number is electrically connected with the conducting wire 41 of the respectively corresponding plural number, transmit touch signal individually,Occur to avoid the situation of short circuit.Also facilitate the induction electrode 30 of arrangement difference.Meanwhile wherein between each adjacent wires 41Distance be it is equal, can be to avoid the generation of capacity effect.
In addition, can also have in the present invention when conductive layer 40 is arranged, in the reserved setting plural number in the edge of conduction region 40The step of cut place 42.Whereby, when executing laser cutting process, laser beam 51 is convenient to that cut place 42 is followed cutTo cutting trace 52, to simplify the process for the position for redefining cutting trace 52, it is ensured that the distance between each adjacent wires 41 phaseDeng, but the present invention is not limited thereto.
It must be noted that the method for 10 manufacture of touch panel of the present invention is not limited with above-mentioned order of steps,As long as can reach the purpose of the present invention, above-mentioned order of steps can be also changed.
By the method for 10 manufacture of touch panel 10 of the invention and touch panel, it can so that conductive layer 40 and plural numberInduction electrode 30 be directly connected to, the distance between each adjacent wires 41 are all equal, can to avoid the influence of capacity effect,It can be convenient the typesetting of the induction electrode 30 of plural number, and substantially reduce the area in non-touch-control region, achieve the purpose that narrow frame.
To sum up institute is old, and no matter the present invention is showing its totally different spy in known techniques with regard to purpose, means and effectSign, earnestly asks that your juror perceives, and grants quasi patent early, and in order to Jiahui society, true feeling moral is just.It is only it should be noted that above-mentioned manyEmbodiment is only to illustrate for ease of description, and the interest field that the present invention advocates certainly should be described in claimSubject to, not just the above examples.