CN203338333U - Single-layer double-side electric lead membrane capacitive touch screen - Google Patents
Single-layer double-side electric lead membrane capacitive touch screen Download PDFInfo
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- CN203338333U CN203338333U CN2013204260583U CN201320426058U CN203338333U CN 203338333 U CN203338333 U CN 203338333U CN 2013204260583 U CN2013204260583 U CN 2013204260583U CN 201320426058 U CN201320426058 U CN 201320426058U CN 203338333 U CN203338333 U CN 203338333U
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Abstract
The utility model relates to a single-layer double-side electric lead membrane capacitive touch screen which comprises a transparent substrate and a display screen, wherein a transparent electric lead electrode membrane is attached to the transparent substrate, the transparent electric lead electrode membrane comprises a transparent base material, a horizontal electric lead electrode unit array and a longitudinal electric lead electrode unit array are arranged on the front side of the transparent base material and on the back side of the transparent base material respectively, the horizontal electric lead electrode unit array is composed of more than two horizontal electrode units which are parallel to each other, the longitudinal electric lead electrode unit array is composed of more than two longitudinal electrode units which are parallel to each other, each horizontal electrode unit is composed of more than two horizontal electric leads which are connected in parallel and arranged in parallel, each longitudinal electrode unit is composed of more than two longitudinal electric leads which are connected in parallel and arranged in parallel, and the horizontal electric leads and the longitudinal electric leads are formed in an etching mode or in a printing mode by conductive materials. According to the single-layer double-side electric lead membrane capacitive touch screen, the transparent electric lead electrode membrane adopts assembly line etching or electric lead printing, production efficiency is high, and the size of the touch screen can be made quite large.
Description
Technical field
The utility model relates to single-layer double-side conductor wire membrane capacitance formula touch-screen.
Background technology
Touch-screen, according to the difference of principle of work and transmission medium, can be divided into resistance-type, condenser type, ultrasonic type, induction and infrared type.Wherein capacitance touch screen is high because of accuracy, easily realizes multi-point touch and is widely used.
Capacitance touch screen is to utilize the induction current of human body to carry out work, and when user's finger touch, during to certain point on screen, touch screen controller need to obtain this and put horizontal and vertical current information, with the position of accurate Calculation touch point.Capacitance touch screen commonly used is generally plating one deck ITO conductive layer on transparency carrier, because ito surface resistance is high, generally reaches 30-150 Ω, so must be etched into the electrode wires of wide cut in order to improve sensitivity, reduces resistance and improves capacitance, but can affect resolution.Simultaneously, prior art is subject to the restriction of technique and production equipment, and production efficiency is low, and the size of touch-screen is very restricted.
Summary of the invention
The purpose of this utility model is to provide a kind of single-layer double-side conductor wire membrane capacitance formula touch-screen that can realize that touch-screen is in large size, highly sensitive.
For achieving the above object, the utility model is by the following technical solutions:
Single-layer double-side conductor wire membrane capacitance formula touch-screen, it comprises transparency carrier and display screen, transparency carrier is positioned at the front end of display screen, be pasted with electrically conducting transparent line electrode film on described transparency carrier, this electrically conducting transparent line electrode film comprises transparent base, the pro and con of transparent base is respectively equipped with transverse conductance line electrode cell array and vertical conductor wire electrode unit array, transverse conductance line electrode cell array is comprised of the transverse electrode unit be parallel to each other more than two, and vertically conductor wire electrode unit array is comprised of the longitudinal electrode unit be parallel to each other more than two; Described transverse electrode unit is comprised of two more parallels and the transverse conductance line that is arranged in parallel, and described longitudinal electrode unit is comprised of two more parallels and vertical conductor wire of being arranged in parallel; Described transverse conductance line and vertical conductor wire are all by conductive material etch-forming or printing moulding; The lead end of described transverse electrode unit and the lead end of longitudinal electrode unit all are connected to signal processor.
Described conductive material is copper, aluminium, gold, silver or conductive carbon paste, because the electric conductivity of copper, aluminium, gold, silver or conductive carbon paste is better, use touch screen electrode surface resistance that described conductive material makes at 0.15-3 Ω, be significantly less than the electrode surface resistance value that the ITO mode is made, therefore, the sensitivity of touch-screen is higher.
The live width of described transverse conductance line and vertical conductor wire is 3-100 μ m, and thickness is 2-10 μ m.The live width of transverse conductance line and vertical conductor wire is superfine, human eye is difficult to feel its existence, the transverse conductance line electrode cell array of making like this and vertical conductor wire electrode unit array can be realized transparence, electrically conducting transparent line electrode mould is attached on the transparency carrier that is positioned at the display screen front end, does not affect the showing transparency property of transparency carrier to display screen fully.
The shape of described transverse conductance line and vertical conductor wire is waveform.Waveform can effectively improve the unit of capacity area, thus the sensitivity that has improved touch-screen.
Described transparent base is by PET or TAC forming materials.
The thickness of described transparent base is 20-200 μ m.Therefore, the integral thickness of electrically conducting transparent line electrode mould as thin as a wafer, does not affect the integral thickness of touch-screen.
Darkening process is all passed through on the surface of described transverse conductance line and vertical conductor wire.The transverse conductance line of process Darkening process and vertical conductor wire can absorb the metallic reflection light on conductor wire surface, increase penetrating rate, improve visual effect.
In described transverse conductance line electrode cell array, the spacing of adjacent two transverse electrode unit is 0.1-8mm, in described vertical conductor wire electrode unit array, the spacing of adjacent two longitudinal electrode unit is 0.1-8mm, in described transverse electrode unit, the spacing of adjacent two transverse conductance lines is 0.1-8mm, and in described longitudinal electrode unit, the spacing of adjacent two vertical conductor wires is 0.1-8mm.
Described transparency carrier is glass or transparent organic glass, and the thickness of transparency carrier is 0.3-10mm.
The utility model adopts above technical scheme, the user is when touch screen, owing to there being electric field in human body, form a coupling capacitance between transverse conductance line electrode cell array on finger and electrically conducting transparent line electrode mould and vertical conductor wire electrode unit array, when finger touch is on electrically conducting transparent line electrode mould, because the electric capacity of contact changes, there will be the induction current that flows to contact in transverse conductance line electrode cell array and vertical conductor wire electrode unit array, thereby calculate by signal processor the position that faradic power accurately calculates contact.Due to the transverse conductance line on electrically conducting transparent line electrode mould and vertically conductor wire arrange evenly, intensive, therefore increased the linearity of electrically conducting transparent line electrode mould integral body, the antijamming capability and the sensitivity that have improved touch-screen.In addition, transverse conductance line on electrically conducting transparent line electrode mould and vertical conductor wire are all by conductive material etch-forming or printing moulding on transparent base, therefore transverse conductance line and vertical conductor wire all can carry out streamline etching or printing, improved production efficiency, and electrically conducting transparent line electrode mould size can do very greatly, so the size of touch-screen just can maximize, and touch-screen size minimum of the present utility model can be accomplished 3 cun, maximum can be accomplished 130 cun, is widely used.
The accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is described in further details;
Fig. 1 is the utility model decomposition texture schematic diagram;
Fig. 2 is the part schematic diagram of the utility model electrically conducting transparent line electrode mould top rail to conductor wire electrode unit array;
The part schematic diagram that Fig. 3 is vertical conductor wire electrode unit array on the utility model electrically conducting transparent line electrode mould.
Embodiment
As Fig. 1, shown in Fig. 2 or Fig. 3, the utility model single-layer double-side conductor wire membrane capacitance formula touch-screen, it comprises transparency carrier 1 and display screen 2, transparency carrier 1 is positioned at the front end of display screen 2, be pasted with electrically conducting transparent line electrode film 3 on described transparency carrier 1, this electrically conducting transparent line electrode film 3 comprises transparent base 31, the pro and con of transparent base 31 is respectively equipped with transverse conductance line electrode cell array and vertical conductor wire electrode unit array, transverse conductance line electrode cell array is comprised of the transverse electrode unit 32 be parallel to each other more than two, vertically conductor wire electrode unit array is comprised of the longitudinal electrode unit 33 be parallel to each other more than two, described transverse electrode unit 32 is comprised of two more parallels and the transverse conductance line 321 that is arranged in parallel, and described longitudinal electrode unit 33 is comprised of two more parallels and vertical conductor wire 331 of being arranged in parallel, described transverse conductance line 321 and vertical conductor wire 331 are all by conductive material etch-forming or accurate printing moulding, the lead end 322 of described transverse electrode unit 32 and the lead end 332 of longitudinal electrode unit 33 all are connected to the signal processor (not shown).
Adopt above structure, due to the transverse conductance line 321 on electrically conducting transparent line electrode mould 3 and vertically conductor wire 331 arrange evenly, intensive, therefore increased the linearity and the sensitivity of electrically conducting transparent line electrode mould 3 integral body, improved the antijamming capability of touch-screen.In addition, transverse conductance line 321 on electrically conducting transparent line electrode mould 3 and vertical conductor wire 331 are all by conductive material etching or accurate printing moulding on transparent base 31, therefore transverse conductance line 321 and vertical conductor wire 331 all can carry out streamline etching or accurate printing, improved production efficiency, and electrically conducting transparent line electrode mould 3 sizes can be done very greatly, therefore the size of touch-screen just can maximize, touch-screen size minimum of the present utility model can be accomplished 3 cun, maximum can be accomplished 130 cun, is widely used.Simultaneously, transverse electrode unit 32 and longitudinal electrode unit 33 form by many conductor wires, the precision, the sensitivity that have therefore greatly improved touch-screen, and also maloperation is few.
Described conductive material is copper, aluminium, gold, silver or conductive carbon paste and other metal alloy conductive materials, because the electric conductivity of copper, aluminium, gold, silver or conductive carbon paste is better, use touch screen electrode surface resistance that described conductive material makes at 0.15-3 Ω, be significantly less than the electrode surface resistance value that the ITO mode is made, therefore, the sensitivity meeting of touch-screen is higher.
The live width of described transverse conductance line 321 and vertical conductor wire 331 is 3-100 μ m, and thickness is 2-10 μ m.The live width of transverse conductance line 321 and vertical conductor wire 331 is superfine, human eye is difficult to feel its existence, the transverse conductance line electrode cell array of making like this and vertical conductor wire electrode unit array can be realized transparence, electrically conducting transparent line electrode mould 3 is attached on the transparency carrier 1 that is positioned at display screen 2 front ends, does not affect the showing transparency property of 1 pair of display screen 2 of transparency carrier fully.
The shape of described transverse conductance line 321 and vertical conductor wire 331 is waveform.Corrugated transverse conductance line 321 and vertical conductor wire 331 have increased capacity area, have further improved sensitivity.Transverse conductance the line 321 and vertically shape of conductor wire 331 also can other can increase the figure of contact capacitance area for zigzag etc.
Described transparent base 31 is by PET, TAC or other organic transparent material moulding.
The thickness of described transparent base 31 is 20-200 μ m.Therefore, the integral thickness of electrically conducting transparent line electrode mould 3 as thin as a wafer, does not affect the integral thickness of touch-screen.
Darkening process is all passed through on the surface of described transverse conductance line 321 and vertical conductor wire 331.The transverse conductance line 321 of process Darkening process and vertical conductor wire 331 can absorb the metallic reflection light on conductor wire surface, increase penetrating rate, improve visual effect.Transverse conductance line 321 and vertical conductor wire 331 also can only carry out Darkening process to the part towards the human eye vision face, can reduce costs like this.
In described transverse conductance line electrode cell array, the spacing of adjacent two transverse electrode unit 32 is 0.1-8mm, in described vertical conductor wire electrode unit array, the spacing of adjacent two longitudinal electrode unit 33 is 0.1-8mm, in described transverse electrode unit 32, the spacing of adjacent two transverse conductance lines 321 is 0.1-8mm, and in described longitudinal electrode unit 33, the spacing of adjacent two vertical conductor wires 331 is 0.1-8mm.
Described transparency carrier 1 is glass or transparent organic glass, and thickness is optional from 0.3-10mm, and transparency carrier 1 processing of can rising in value as requested, such as strengthening, outward appearance printing, increase surperficial various optical functions etc.
Described electrically conducting transparent line electrode film 3 is attached on described transparency carrier 1, attaching bonding mode can be the general adhesive methods such as optics pressure sensitive adhesive, UV glue, molding bonded is by defoaming treatment, access signal processor, by electrically conducting transparent line electrode film 3 towards display screen 2 exiting surfaces, and fit with display screen 2, complete the making of conductor wire membrane capacitance formula touch-screen.
The utility model principle of work: the user is when touch screen, owing to there being electric field in human body, form a coupling capacitance between transverse conductance line electrode cell array on finger and electrically conducting transparent line electrode mould 3 and vertical conductor wire electrode unit array, when finger touch is on electrically conducting transparent line electrode mould 3, because the electric capacity of contact changes, there will be the induction current that flows to contact in transverse conductance line electrode cell array and vertical conductor wire electrode unit array, thereby calculate by signal processor the position that faradic power accurately calculates contact.
Claims (9)
1. single-layer double-side conductor wire membrane capacitance formula touch-screen, it comprises transparency carrier and display screen, transparency carrier is positioned at the front end of display screen, it is characterized in that: be pasted with electrically conducting transparent line electrode film on described transparency carrier, this electrically conducting transparent line electrode film comprises transparent base, the pro and con of transparent base is respectively equipped with transverse conductance line electrode cell array and vertical conductor wire electrode unit array, transverse conductance line electrode cell array is comprised of the transverse electrode unit be parallel to each other more than two, vertically conductor wire electrode unit array is comprised of the longitudinal electrode unit be parallel to each other more than two, described transverse electrode unit is comprised of two more parallels and the transverse conductance line that is arranged in parallel, and described longitudinal electrode unit is comprised of two more parallels and vertical conductor wire of being arranged in parallel, described transverse conductance line and vertical conductor wire are all by conductive material etch-forming or printing moulding, the lead end of described transverse electrode unit and the lead end of longitudinal electrode unit all are connected to signal processor.
2. single-layer double-side conductor wire membrane capacitance formula touch-screen according to claim 1, it is characterized in that: described conductive material is copper, aluminium, gold, silver or conductive carbon paste.
3. single-layer double-side conductor wire membrane capacitance formula touch-screen according to claim 1 and 2 is characterized in that: described transverse conductance line and vertically the live width of conductor wire be 3-100 μ m, thickness is 2-10 μ m.
4. single-layer double-side conductor wire membrane capacitance formula touch-screen according to claim 1 is characterized in that: the shape of described transverse conductance line and vertically the shape of conductor wire be waveform.
5. single-layer double-side conductor wire membrane capacitance formula touch-screen according to claim 1, it is characterized in that: described transparent base is by PET or TAC forming materials.
6. single-layer double-side conductor wire membrane capacitance formula touch-screen according to claim 1 or 5, it is characterized in that: the thickness of described transparent base is 20-200 μ m.
7. single-layer double-side conductor wire membrane capacitance formula touch-screen according to claim 1 is characterized in that: described transverse conductance line and vertically the surface of conductor wire all pass through Darkening process.
8. single-layer double-side conductor wire membrane capacitance formula touch-screen according to claim 1, it is characterized in that: in described transverse conductance line electrode cell array, the spacing of adjacent two transverse electrode unit is 0.1-8mm, in described vertical conductor wire electrode unit array, the spacing of adjacent two longitudinal electrode unit is 0.1-8mm, in described transverse electrode unit, the spacing of adjacent two transverse conductance lines is 0.1-8mm, and in described longitudinal electrode unit, the spacing of adjacent two vertical conductor wires is 0.1-8mm.
9. single-layer double-side conductor wire membrane capacitance formula touch-screen according to claim 1, it is characterized in that: described transparency carrier is glass or transparent organic glass, the thickness of transparency carrier is 0.3-10mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013204260583U CN203338333U (en) | 2013-07-17 | 2013-07-17 | Single-layer double-side electric lead membrane capacitive touch screen |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013204260583U CN203338333U (en) | 2013-07-17 | 2013-07-17 | Single-layer double-side electric lead membrane capacitive touch screen |
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| CN203338333U true CN203338333U (en) | 2013-12-11 |
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| CN2013204260583U Expired - Lifetime CN203338333U (en) | 2013-07-17 | 2013-07-17 | Single-layer double-side electric lead membrane capacitive touch screen |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103412691A (en) * | 2013-07-17 | 2013-11-27 | 欧浦登（顺昌）光学有限公司 | Single-layer two-sided electric lead membrane capacitive touch screen |
-
2013
- 2013-07-17 CN CN2013204260583U patent/CN203338333U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103412691A (en) * | 2013-07-17 | 2013-11-27 | 欧浦登（顺昌）光学有限公司 | Single-layer two-sided electric lead membrane capacitive touch screen |
| CN103412691B (en) * | 2013-07-17 | 2014-07-09 | 欧浦登（顺昌）光学有限公司 | Single-layer two-sided electric lead membrane capacitive touch screen |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131211 |