CN205263783U - Touch -sensitive screen and touch membrane structure - Google Patents
Touch -sensitive screen and touch membrane structure Download PDFInfo
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- CN205263783U CN205263783U CN201521106117.4U CN201521106117U CN205263783U CN 205263783 U CN205263783 U CN 205263783U CN 201521106117 U CN201521106117 U CN 201521106117U CN 205263783 U CN205263783 U CN 205263783U
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Abstract
The utility model provides a touch -sensitive screen and touch membrane structure, wherein, the touch -sensitive screen contains: a display screen. Laminate in the touch membrane structure of display screen upper surface, cover in the glass apron of touch membrane structure upper surface, the touch membrane structure is by lower supreme first conducting layer, second conducting layer and the third conducting layer of including in proper order, first conducting layer with be provided with insulating grained layer between the second conducting layer. The utility model discloses a touch -sensitive screen, its sensitivity that has lower thickness and geng gao, user experience is better, and the utility model discloses the 2D electric capacity screen of plug -to -plug compatibility multiple spot touch -control adopts hard apron, improvement reliability and experience that can be better when realizing the 3D touch.
Description
Technical field
The utility model relates to touch screen technology field, particularly a kind of touch-screen and touch membrane structure.
Background technology
Touch-screen is a kind of induction type liquid crystal indicator that receives the input signals such as contact, when having contacted screenWhen graphic button on curtain, the haptic feedback system on screen can drive various companies according to the formula of programming in advanceConnection device, can be in order to replace mechanical push button panel, and produce lively shadow by liquid crystal display pictureAudio fruit.
Existing touch-screen is divided into 2D touch and 3D touches, wherein, and resistance or electricity for existing touch-screenThe scheme of holding increases sensor behind at display screen, has avoided the printing opacity of third dimension material on this methodological principleProperty requirement, because farther from the place of staff contact, so that sensitivity requires is higher.
Utility model content
The utility model is In view of the foregoing made, and its utility model object is to provide a kind of work of makingThe touch-screen that skill is simple, touch sensitivity is high.
For achieving the above object, the utility model has adopted following technical scheme.
The utility model provides a kind of touch-screen, and it comprises:
Display screen;
Fit in the touch membrane structure of described display screen upper surface;
Be covered in the glass cover-plate of described touch membrane structure upper surface;
Described touch membrane structure comprises the first conductive layer, the second conductive layer and the 3rd from the bottom to top successivelyConductive layer, is provided with insulated particle layer between described the first conductive layer and described the second conductive layer.
Further, described touch-screen also comprises the first base material and the second base material, described the first conductive layer settingIn the upper surface of described the first base material, described the second conductive layer and described the 3rd conductive layer are arranged at respectively instituteState lower surface and the upper surface of the second base material.
Further, described touch-screen also comprises the first base material, the second base material and the 3rd base material, described firstConductive layer is arranged at the upper surface of described the first base material, and described the second conductive layer is arranged at described the second base materialUpper surface, described the 3rd conductive layer is arranged at the upper surface of described the 3rd base material.
Further, described touch-screen also comprises the first base material, the second base material and the 3rd base material, described firstConductive layer is arranged at the upper surface of described the first base material, and described the second conductive layer is arranged at described the second base materialLower surface, described the 3rd conductive layer is arranged at the upper surface of described the 3rd base material.
Further, the conductive pattern of the conductive pattern of described the first conductive layer and described the second conductive layer isThe bar blocks that several be arranged in parallel, the conductive pattern of described the first conductive layer and described the second conductive layerConductive pattern is parallel or vertical.
Further, the conductive pattern of the conductive pattern of described the first conductive layer and described the second conductive layer is equalThe conducting block of even distribution, described the first conductive layer and described the second conductive layer are all provided with conductor wire at frameBe connected with described conducting block.
Further, the conductive pattern of described the 3rd conductive layer is several independently conducting blocks, described secondThe pattern of conductive layer and described the first conductive layer is equally distributed conductive film, at described the first conductive layerBe provided with conductor wire with the frame of described the second conductive layer.
Further, described insulated particle layer comprises multiple insulated particles, the thickness of insulated particle described in eachFor 5-50 micron, the distance between described each insulated particle is 2-6 millimeter.
Further, the thickness of described insulated particle is 15-25 micron.
The utility model also provides a kind of touch membrane structure, and described touch membrane structure comprises from the bottom to top successivelyThe first conductive layer, the second conductive layer and the 3rd conductive layer, described the first conductive layer and described the second conductionBetween layer, be provided with insulated particle; Leading of the conductive pattern of described the first conductive layer and described the second conductive layerElectrical pattern is parallel or vertical.
Further, described touch-screen also comprises the first base material and the second base material, described the first conductive layer settingIn the upper surface of described the first base material, described the second conductive layer and described the 3rd conductive layer are arranged at respectively instituteState lower surface and the upper surface of the second base material.
Alternatively, described touch-screen also comprises the first base material, the second base material and the 3rd base material, described firstConductive layer is arranged at the upper surface of described the first base material, and described the second conductive layer is arranged at described the second base materialUpper surface, described the 3rd conductive layer is arranged at the upper surface of described the 3rd base material.
Alternatively, described touch-screen also comprises the first base material, the second base material and the 3rd base material, described firstConductive layer is arranged at the upper surface of described the first base material, and described the second conductive layer is arranged at described the second base materialLower surface, described the 3rd conductive layer is arranged at the upper surface of described the 3rd base material.
Alternatively, the conductive pattern of the conductive pattern of described the first conductive layer and described the second conductive layer isThe bar blocks that several be arranged in parallel, the conductive pattern of described the first conductive layer and described the second conductive layerConductive pattern is vertical.
Alternatively, the conductive pattern of the conductive pattern of described the first conductive layer and described the second conductive layer is equalThe conducting block of even distribution, described the first conductive layer and described the second conductive layer are all provided with conductor wire at frameBe connected with described conducting block.
Alternatively, the conductive pattern of described the 3rd conductive layer is several independently conducting blocks, described secondThe pattern of conductive layer and described the first conductive layer is equally distributed conductive film, at described the first conductive layerBe provided with conductor wire with the frame of described the second conductive layer.
Touch-screen of the present utility model, it has the sensitivity of lower thickness and Geng Gao, user experienceBetter. The utility model is the completely compatible 2D capacitance plate of multi-point touch, in realizing 3D and touchingAdopt hard cover plate, can better improve reliability and experience. Adopt touch-screen system of the present utility modelFabrication technique, the requirement that it has been simplified manufacture craft and IC is driven, has greatly reduced production cost.
Brief description of the drawings
Fig. 1 is the structure of the first embodiment of touch-screen of the present utility model;
Fig. 2 is the second embodiment structure of touch-screen of the present utility model;
Fig. 3 is the structure of the 3rd embodiment of touch-screen of the present utility model;
Fig. 4 is the structure of the 4th embodiment of touch-screen of the present utility model;
Fig. 5 is the one distortion of the first embodiment of touch-screen of the present utility model.
Detailed description of the invention
Describe the preferably embodiment of touch-screen of the present utility model in detail below in conjunction with accompanying drawing, but this practicalityNovel these embodiments that is not limited to.
Embodiment mono-
As shown in Figure 1, a kind of touch-screen of the present utility model, it comprises:
Display screen;
Fit in the touch membrane structure of display screen upper surface;
Be covered in the glass cover-plate of touch membrane structure upper surface;
Touch membrane structure comprises the first conductive layer, the second conductive layer and the 3rd conduction from the bottom to top successivelyLayer, is provided with insulated particle between the first conductive layer and the second conductive layer; Wherein, by measuring describedCapacitance variations between one conductive layer and the second conductive layer or short circuit situation have determined whether pressure letterNumber, in the time being judged to be pressure signal, by described the second conductive layer and the 3rd conductive layer are carried out to electric capacityThe position of scanning to judge that pressure signal produces. The generation of pressure signal is to cause owing to pressing to touch to operate, in the time that pressing this touch-screen, user produces pressure signal.
In this embodiment, as shown in Figure 1, the conductive pattern of the first conductive layer and the second conductive layer is flatRow arranges.
Note, in the utility model, downside refers to that side near display screen, and upside refers to farFrom a side of display screen.
Particularly, when touch pressure is in the time that 300g is above, the first conductive layer and the second conductive layer contact,Conductive channel is short-circuited; In the time that touch pressure is within the scope of 50g-300g, the first conductive layer and secondThe capacitance of conductive layer changes because of deformation. And in the time that touch pressure is in 50g, capacitanceChange littlely, can't trigger pressure sensor signal.
Wherein, insulated particle can be printed on the first conductive layer, and its thickness is 5-50 micron, insulationThe diameter of grain can be 20 to 100 microns, and the distance between each insulated particle is 2 to 6 millimeters.
Conductive pattern on conductive layer can be made up of ITO or nano silver material. Display screen and touch membrane structureBetween, between touch membrane structure and glass cover-plate by OCA glue bond. ITO is tin indium oxide, and it is saturatingCross rate high, conductive capability is strong. OCA glue is a kind of special adhesive for cementing transparent optical element.
In the present embodiment, as shown in Figure 1, touch-screen also comprises the first base material and the second base material, theOne conductive layer is arranged at the upper surface of the first base material, and the second conductive layer and the 3rd conductive layer are arranged at respectivelyThe lower surface of two base materials and upper surface. Base material is made up of PET material. The chemical name of PET is poly-to benzene twoFormic acid second diester is a kind of high polymer.
Touch membrane structure in embodiment mono-can be made by the following method:
Steps A, making the first electrically-conductive backing plate: in the pattern area of the first base material upper surface coating ITO conductionLayer, at frame coating conductive silver paste, laser engraving (or sensitization photoetching) forms an ITO conductive layer,On this ITO conductive layer, print insulated particle;
Step B, making the second electrically-conductive backing plate: adopt said method, divide in the upper and lower surface of second substrateOther silk-screen or photoetching form the 3rd ITO conductive layer and the 2nd ITO conductive layer;
Step C, the first electrically-conductive backing plate and the second electrically-conductive backing plate are combined a described ITO is ledElectricity layer is relative and parallel to each other with described the second conductive layer, does not have like this short-circuit risks of different passages.
In the time that user touches this touch-screen, user and touch screen surface form a coupling capacitance, then finger fromContact point siphons away a very little electric current. By to second and the 3rd two-layer electric conductor first dimension (as x direction)With the scanning of the second dimension (y direction), control IC can judge the position of touch accurately; By to the first HeResistance change measurement between the second layer, control IC can judge the pressure size of the third dimension (z direction).
Embodiment bis-
Be illustrated in figure 2 the structure of the second touch-screen of the present utility model, its general configuration and embodiment 1In structure similar, difference is that the first conductive layer is vertical with the conductive layer pattern of the second conductive layer, and absolutelyThe difference of edge grain thickness. In this embodiment, the thickness of insulated particle is approximately 5-25 micron.
Adopt the thickness of this kind of thin insulating particle, in the time that user touches touch-screen, can adopt the mode of capacitance sensingThereby accurately locate the position of measuring X, Y direction, in the time that user's touch pressure is larger, can makeThe first conductive layer contacts with the second conductive layer, and the mode changing by measuring resistance is measured X, Y directionThereby accurately locate position.
Embodiment tri-
Fig. 3 shows the structure of the third touch-screen of the present utility model, and it comprises:
Display screen;
Fit in the touch membrane structure of described display screen upper surface;
Be covered in the glass cover-plate of described touch membrane structure upper surface;
Described touch membrane structure comprises the first conductive layer, the second conductive layer and the 3rd from the bottom to top successivelyConductive layer, is provided with insulated particle between described the first conductive layer and described the second conductive layer; Described firstThe conductive pattern of conductive layer is vertical with the conductive pattern of described the second conductive layer. Touch-screen also comprises the first baseMaterial, the second base material and the 3rd base material, the first conductive layer is arranged at the upper surface of described the first base material, described inThe second conductive layer is arranged at the upper surface of described the second base material, and described the 3rd conductive layer is arranged at the described the 3rdThe upper surface of base material.
Wherein, insulated particle can be printed on the first conductive layer, and its thickness is 10-50 micron. ConductionConductive pattern on layer can be made up of ITO or nano silver material. Between display screen and touch membrane structure, touchTouch between membrane structure and glass cover-plate by OCA glue bond. Described substrate is made up of PET material.
Touch membrane structure in embodiment 3 can make by the following method:
Steps A, making the first electrically-conductive backing plate: form nanometer in the serigraphy of the pattern area of first substrate upper surfaceSilver conductive pattern, forms the coiling of conductive silver paste frame, thereby forms the first conductive layer, at this in rim areaOn conductive layer, print insulated particle;
Step B, making the second electrically-conductive backing plate: adopt the method same as described above lower surface shape at second substrateBecome the second conductive layer;
Step C, making the 3rd electrically-conductive backing plate: the upper surface at the 3rd substrate forms the 3rd conductive layer;
Step D, combine touch membrane structure: first electrically-conductive backing plate of fitting successively from the bottom to top, the 3rd conductionSubstrate and the second electrically-conductive backing plate.
Embodiment tetra-
Fig. 4 shows the structure of the 4th kind of touch membrane structure of the present utility model, and itself and the third touch membrane is tiedThe difference of structure is: the conductive layer of the 3rd electrically-conductive backing plate is positioned at the lower surface of the 3rd substrate.
" conductive layer pattern "
In the utility model, the pattern of each conductive layer can have multiple setting. Such as, the first conductive layerThe conductive pattern of conductive pattern and the second conductive layer is several bar blocks be arrangeding in parallel, the first conductionThe conductive pattern of layer can parallel with the conductive pattern of the second conductive layer (as shown in Figure 1) or is vertical (as Fig. 2Shown in), the conductive pattern of the 3rd conductive layer is several independently conducting blocks in this case, in conductionThe frame of layer is provided with conductor wire. Or, the conduction of the conductive pattern of the first conductive layer and the second conductive layerPattern is equally distributed conducting block, and the first conductive layer and the second conductive layer are all provided with conductor wire at frameBe connected with conducting block, the conductive pattern of the 3rd conductive layer is several independently conducting blocks in this case,Frame at the 3rd conductive layer is provided with conductor wire equally. Or, also can be as shown in Figure 5, the 3rd leadsThe conductive pattern of electricity layer is several independently conducting blocks, and the second conductive layer and the first conductive layer all do not haveThe transparent conductive material of the even coating of pattern, is provided with at the frame of the second conductive layer and the first conductive layerConductor wire. In the time that pressure orders about materials at two layers contact, can survey by the measurement to contact resistanceThe size of piezometric power. On every layer of conductive layer, can there be single or two frame wire-winding electrodes.
Adopt touch-screen of the present utility model, it has lower thickness and higher light transmittance, and its spiritSensitivity is higher, and user experience is better. Adopt process for manufacturing touch panel of the present utility model, it has simplified systemMake technique, greatly reduced production cost.
Content described in this description embodiment is only enumerating of way of realization to utility model design, this realityShould not be regarded as only limiting to the concrete form that embodiment states, the utility model with novel protection domainProtection domain also and conceive the equivalent technologies that can expect according to the utility model in those skilled in the artMeans.
Claims (16)
1. a touch-screen, is characterized in that, comprises:
Display screen;
Fit in the touch membrane structure of described display screen upper surface;
Be covered in the glass cover-plate of described touch membrane structure upper surface;
Described touch membrane structure comprises the first conductive layer, the second conductive layer and the 3rd from the bottom to top successivelyConductive layer, is provided with insulated particle layer between described the first conductive layer and described the second conductive layer.
2. touch-screen as claimed in claim 1, is characterized in that, described touch-screen also comprises the first baseMaterial and the second base material, described the first conductive layer is arranged at the upper surface of described the first base material, and described second leadsElectricity layer and described the 3rd conductive layer are arranged at respectively lower surface and the upper surface of described the second base material.
3. touch-screen as claimed in claim 1, is characterized in that, described touch-screen also comprises the first baseMaterial, the second base material and the 3rd base material, described the first conductive layer is arranged at the upper surface of described the first base material,Described the second conductive layer is arranged at the upper surface of described the second base material, described in described the 3rd conductive layer is arranged atThe upper surface of the 3rd base material.
4. touch-screen as claimed in claim 1, is characterized in that, described touch-screen also comprises the first baseMaterial, the second base material and the 3rd base material, described the first conductive layer is arranged at the upper surface of described the first base material,Described the second conductive layer is arranged at the lower surface of described the second base material, described in described the 3rd conductive layer is arranged atThe upper surface of the 3rd base material.
5. the touch-screen as described in any one in claim 1-4, is characterized in that, described the first conductionThe conductive pattern of layer and the conductive pattern of described the second conductive layer are several bar blocks that be arranged in parallel, instituteState the conductive pattern of the first conductive layer and the conductive pattern of described the second conductive layer is parallel or vertical.
6. the touch-screen as described in any one in claim 1-4, is characterized in that, described the first conductionThe conductive pattern of layer and the conductive pattern of described the second conductive layer are equally distributed conducting block, described firstConductive layer is provided with conductor wire at frame respectively with described the second conductive layer and is connected with described conducting block.
7. the touch-screen as described in any one in claim 1-4, is characterized in that, described the 3rd conductionThe conductive pattern of layer is several independently conducting blocks, described the second conductive layer and described the first conductive layerConductive pattern is equally distributed conductive film, on the limit of described the first conductive layer and described the second conductive layerFrame is provided with conductor wire.
8. the touch-screen as described in any one in claim 1-4, is characterized in that, described insulated particleLayer comprises multiple insulated particles, and described in each, the thickness of insulated particle is 5-50 micron, described each insulationDistance between grain is 2-6 millimeter.
9. touch-screen as claimed in claim 8, is characterized in that, the thickness of described insulated particle is 15-25Micron.
10. a touch membrane structure, is characterized in that, described touch membrane structure comprises from the bottom to top successivelyThe first conductive layer, the second conductive layer and the 3rd conductive layer, described the first conductive layer and described the second conductionBetween layer, be provided with insulated particle layer.
11. touch membrane structures as claimed in claim 10, is characterized in that, described touch-screen also comprisesThe first base material and the second base material, described the first conductive layer is arranged at the upper surface of described the first base material, described inThe second conductive layer and described the 3rd conductive layer are arranged at respectively lower surface and the upper surface of described the second base material.
12. touch membrane structures as claimed in claim 10, is characterized in that, described touch-screen also comprisesThe first base material, the second base material and the 3rd base material, described the first conductive layer is arranged at the upper of described the first base materialSurface, described the second conductive layer is arranged at the upper surface of described the second base material, described the 3rd conductive layer settingIn the upper surface of described the 3rd base material.
13. touch membrane structures as claimed in claim 10, is characterized in that, described touch-screen also comprisesThe first base material, the second base material and the 3rd base material, described the first conductive layer is arranged at the upper of described the first base materialSurface, described the second conductive layer is arranged at the lower surface of described the second base material, described the 3rd conductive layer settingIn the upper surface of described the 3rd base material.
14. touch membrane structures as described in any one in claim 10-13, is characterized in that, described inThe conductive pattern of the conductive pattern of the first conductive layer and described the second conductive layer is several bars that be arranged in parallelShape piece, the conductive pattern of described the first conductive layer is vertical with the conductive pattern of described the second conductive layer.
15. touch membrane structures as described in any one in claim 10-13, is characterized in that, described inThe conductive pattern of the conductive pattern of the first conductive layer and described the second conductive layer is equally distributed conducting block,Described the first conductive layer and described the second conductive layer are all provided with conductor wire and described conducting block company at frameConnect.
16. touch membrane structures as described in any one in claim 10-13, is characterized in that, described inThe conductive pattern of the 3rd conductive layer is several independently conducting blocks, described the second conductive layer and described firstThe conductive pattern of conductive layer is equally distributed conductive film, leads at described the first conductive layer and described secondThe frame of electricity layer is provided with conductor wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521106117.4U CN205263783U (en) | 2015-12-25 | 2015-12-25 | Touch -sensitive screen and touch membrane structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521106117.4U CN205263783U (en) | 2015-12-25 | 2015-12-25 | Touch -sensitive screen and touch membrane structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205263783U true CN205263783U (en) | 2016-05-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521106117.4U Active CN205263783U (en) | 2015-12-25 | 2015-12-25 | Touch -sensitive screen and touch membrane structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205263783U (en) |
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- 2015-12-25 CN CN201521106117.4U patent/CN205263783U/en active Active
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Effective date of registration: 20160630 Address after: 6, No. 15, 241000 floating Hill Road, three mountain area, Anhui, Wuhu Patentee after: Wuhu Lunfeng Electronic Technology Co., Ltd. Address before: 322000 Zhejiang city of Jinhua province Yiwu choujiang street high road No. 10 Yiwu high-level personnel innovation park standard plant No. Patentee before: YIWU XIUYUAN ELECTRONIC TECHNOLOGY CO., LTD. |