CN1475964A - Contact control screen upper, lower electrode break-over structure - Google Patents
Contact control screen upper, lower electrode break-over structure Download PDFInfo
- Publication number
- CN1475964A CN1475964A CNA021297770A CN02129777A CN1475964A CN 1475964 A CN1475964 A CN 1475964A CN A021297770 A CNA021297770 A CN A021297770A CN 02129777 A CN02129777 A CN 02129777A CN 1475964 A CN1475964 A CN 1475964A
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- Prior art keywords
- layer
- printed
- electrode
- lower electrode
- touch screen
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- 238000006073 displacement reaction Methods 0.000 claims description 28
- 238000004804 winding Methods 0.000 claims description 28
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 24
- 229910052709 silver Inorganic materials 0.000 claims description 22
- 239000004332 silver Substances 0.000 claims description 22
- 238000009413 insulation Methods 0.000 claims description 19
- 239000002002 slurry Substances 0.000 claims description 12
- 239000000758 substrate Substances 0.000 claims description 10
- 238000007731 hot pressing Methods 0.000 claims description 8
- 238000007639 printing Methods 0.000 claims description 4
- 239000002245 particle Substances 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 239000011347 resin Substances 0.000 abstract 1
- 229920005989 resin Polymers 0.000 abstract 1
- 239000010408 film Substances 0.000 description 24
- 230000000694 effects Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 239000011521 glass Substances 0.000 description 3
- 239000003292 glue Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000008034 disappearance Effects 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229920000297 Rayon Polymers 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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Abstract
An electric connecting structure between upper and lower electrode lattice layers of resistor (or votage)-type touch screen is composed of the electrode wires and gang wires for upper and lower layers. The electrically conductive wires in the gang wires have the through holes, in which the electrically conductive resin is filled for simultaneously connecting the electrode wires and gang wires of upper and lower layers.
Description
Technical field
The present invention relates to the touch screen technology, especially the upper and lower electrode conduction structure of a kind of touch screen, refer in particular to the coupling arrangement of its electrode network of resistance (pressure) formula touch screen, and a kind of anisotropic conductive is as the syndeton of winding displacement and its electrode network of touch screen, processing procedure is significantly reduced, can obtain more stable conducting effect simultaneously again.
Background technology
According to prior art, to shown in Figure 9, be typical four-wire ohm (pressure) formula touch screen as Fig. 6, its primary structure comprises:
One glass substrate A, its surperficial inside casing printing layer of conductive film A1 (calling the ITO layer in the following text), and make the rim all around of substrate A not be printed the ITO layer;
One linear pattern B is the mode of printing of conductive silver slurry layer with thin shape, is printed in the rim all around (promptly not being printed the ITO layer partly) of glass substrate A;
One site layer G is distributed on the surface of conductive film A1;
One insulation course C is printed on the linear pattern B;
One plural number silver slurry line D is printed on the insulation course C; Above structure forms lower electrode plate;
One its bottom surface of film E is printed with conductive film (ITO layer) E1;
One insulation course F be printed in its ITO layer of film E E1 around, and make insulation course F side form breach F1;
One plural number silver slurry line D2 is printed on the basal surface of insulation course F and constitutes electric pole plate;
The point of contact of its front end of one winding displacement (tail) T is connected in the four line input end D1 of silver slurry line D.
At above-mentioned known touch screen, its upper electrode is made of the silver slurry line D2 that is positioned at insulation course F surface, and lower electrode is constituted by being positioned at the lip-deep silver slurry of insulation course C line D, and the conducting of upper and lower electrode is necessary to constitute resistor network.
The wherein conducting of upper and lower electrode is on the line surface with silver slurry line D2, and the silver paste points D4 of plural number is arranged on the point; Make silver slurry line D, the D2 of upper and lower layer can conducting, form resistor network by the connection of silver paste points D4.
The upper and lower layer silver of the binding of above-mentioned silver paste points slurry line D, D2, its shortcoming is: the some solation journey of (1) silver paste points D4 increases cost.(2) silver paste points D4 need be dried just conductive effect, and contact point does not stick together silver paste points D4 if dry then before the combination, easily because of environment or the upper and lower layer of external force variation generation electrode loose contact.(3) if just oven dry after the upper and lower combination of electrodes, then the elargol solvent is not volatile, it is bad easily to produce electrode conduction, if with heated drying, the no-solvent type silver paste points is done the connection of upper and lower electrode, also be very easy to make film E (the being ITO Film) distortion on upper strata, cause the disappearance of outward appearance and function because of drying course.(4) some glue amount uniformity coefficient is wayward, and during if any error, it is bad to form conduction easily.
Summary of the invention
To sum up, how overcoming above-mentioned disappearance is the problem that the present invention desires to overcome.
Therefore, fundamental purpose of the present invention, provide the upper and lower electrode conduction structure of a kind of touch screen, the silver paste points of can forgoing fully, the flow process of some glue, and change with binding and the conductiving point of anisotropic conductive (ANISOTROPICCONDUCTIVE FILM calls ACF in the following text) as upper and lower electrode and winding displacement, so that work flow shortens, cost reduces, upper and lower interelectrode conduction is more accurate simultaneously, and unexpected have loose contact or topmost thin film to be out of shape.
For reaching above-mentioned purpose, the upper and lower electrode conduction structure of touch screen of the present invention, comprise: a resistance (pressure) formula touch screen, its resistor network, dividing into lower electrode line (silver slurry line), upper electrode line and winding displacement constitutes, wherein on the output terminal appropriate location of the electrical lead more than at least one in winding displacement, be provided with perforation; And one anisotropic conductive (ACF) be filled in the perforation and hot pressing is attached in the input end of upper and lower layer electrode wires, as upper and lower layer electrode conduction media, the electrical lead of winding displacement and upper and lower layer of electrode wires are conducted.The output terminal of in addition two electrical leads of winding displacement only mat conducting resinl overlays mutually with the input end of lower electrode line and closes, with make two electrical leads can with two electrode wires conductings of lower floor.
The upper and lower electrode conduction structure of touch screen of the present invention, work flow shortens, cost is low, and upper and lower interelectrode conduction is more accurate simultaneously, can not come in contact fault bad or the topmost thin film distortion.
Description of drawingsFig. 1 is the three-dimensional exploded view of touch screen of the present invention; Fig. 2 is the plan view of the upper and lower battery lead plate of the present invention; Fig. 3 is the preceding sectional drawing of the upper and lower battery lead plate combination of the present invention; Fig. 4 is the sectional drawing after winding displacement of the present invention links with upper and lower electrode wires and winding displacement; Fig. 5 links the section amplification figure of conducting for winding displacement of the present invention and bottom electrode line; Fig. 6 is the three-dimensional exploded view of known resistance (pressure) formula touch screen; Fig. 7 is the planimetric map of known upper and lower layer electrode; Fig. 8 is the action sectional drawing before known upper and lower layer electrode fitted; Fig. 9 is the action sectional drawing after known upper and lower layer electrode fitted.
Embodiment
At first see also Fig. 1 to Fig. 4, the present invention comprises according to structure:
One resistance (pressure) formula touch screen 10, its resistor network, divide into upper electrode line (silver slurry line) 12, lower electrode line 22 and winding displacement 30 and constitute, wherein on the output terminal appropriate location of the electrical lead more than at least one in winding displacement 30 31,33, be provided with perforation 311,331;
One anisotropic conductive (ACF) 50 is filled in the perforation 311,331 and hot pressing is attached among input end 12a, the 12b, 221,223 of upper and lower layer electrode wires 12,22, as upper and lower layer electrode conduction media, the electrical lead 31,33 of winding displacement 30 and upper and lower layer electrode wires 12,22 are conducted.
According to aforesaid principal character, wherein the output terminal 321,341 of two electrical leads 32,34 in addition of winding displacement 30 only mat conducting resinl 52 overlay mutually with the input end 222,224 of lower electrode line and close, with make two electrical leads 32,34 can with two electrode wires, 12 conductings on upper strata.
According to aforesaid principal character, wherein upper electrode line 12 is with mode of printing, be printed in the basal surface of insulation course 23, the last insulation course 23 that is shaped as frame is printed in again around the basal surface of upper film 20 (Film), the basal surface of upper film (Film) 20 (promptly going up the central surface that insulation course 23 is separated), be printed with conductive film (ITO layer) 72, lower electrode line 22 is printed in following insulation course 11 upper surfaces that are the frame shape, following insulation course 11 is printed in the surface of the linear design layer 9 of rectangular frame shape, and linear design layer 9 republishes on rim around the surface of lower substrate 7; One conductive film 8 is printed in the surface (being the central surface that linear design layer 9 is separated) of lower substrate 7, and one is distributed on the conductive film (ITO layer) 8 by the site layer 6 that plural insulating particle constituted.
According to aforesaid principal character, wherein upper and lower 12,22 of electrode wires of layer are printed with a layer insulating 19, these insulation course 19 lateral margins are provided with a breach 191, this breach 191 is just kept supplying, input end 12a, the 12b, 221,223 of lower electrode line 12,22 are positioned at this breach 191 positions, be able to link input end 12a, 12b, 221,223 and the link of winding displacement 30 its electrical leads 31,33 for anisotropic conductive (ACF), shown in figure five in this position.
Want feature according to aforesaid primary and secondary, when implementing, have following superior effect and embodiment: (1) anisotropic conductive (ANISOTROPIC CONDUCTIVE FILM calls ACF in the following text) 50 mixed powerful viscose glue by the complex conduction granule and formed the characteristic with upper and lower conducting; Winding displacement (FPC Tail) 30 inside are printed with plural number (four) electrical lead 31 of silver slurry (or copper) material, 32,33,34, get wherein two electrical leads 31,33 electric output terminal punching in advance, make and have two perforation 311,331, as shown in Figure 2, anisotropic conductive 50 fill in and hot pressing in the perforation 311, in 331 and on, lower electrode line 12,22 two electrical inputs 221 wherein, 223,12a, among the 12b, make two electrical leads 31 of winding displacement (Tail) 30,33 with last, lower electrode line 12,22 input end 221,223,12a, 12b is conducted, as shown in Figure 5.In addition the electric output terminal 321,341 of in addition two electrical leads, 32,34 its bottom surfaces of winding displacement 30 also nationality conducting resinl 52 press on the two electrode wires input ends 222,224 in addition that fit in lower electrode line 22, and make the electrical lead 32,34 in the winding displacement 30 be connected conducting with two electrode wires input ends 222,224 of lower floor, constitute a resistor network to make upper and lower layer electrode wires 12,22.This moment, one great effect was reached, that is: utilize electrical lead 31 in the winding displacement 30,33 punching in advance and filling hot pressing anisotropic conductive 50, conducting resinl 50 is formed, the conducting connecting structure of lower electrode, further can get rid of known last, the silver paste points hot pressing processing procedure of doing on the lower electrode line, so this case will effectively reduce at the processing procedure cost, on, conduction between bottom electrode is more accurate, do not have loose contact or consider the problem that upper film (Film) is out of shape, winding displacement 30 itself and conducting resinl 50 and on, bottom electrode line 22,12 when doing hot pressing, can can not become to making conductive film (ITO layer) distortion as the gummed of prior art silver paste points.This case hot pressing position is restricted to the position of winding displacement 30 its output terminals, therefore can avoid conductive film 72 problem on deformation.(2) other linear pattern 9 is constituted by the conductive silver paste thin layer of shaped as frame, it is printed in around the surface of lower substrate 7, lower substrate 7 is constituted by the glass or the flexual clear plastic base material of transparent (or being tending towards transparent), four ends of linear pattern 9 be connected with four jiaos of ends that are connected in lower electrode line 12 (being conducted), to constitute the resistor network of contact, improve touch screen by the accuracy of touch-control to reach.(3) with regard on the principle of work, though the feature of non-this case demand is convenient duty auditor's examination, the spy is summarized as follows:
When the exhausted utensil of edge touches touch screen 10, the conductive film 72 on upper strata is subjected to contact (ITO layer) to touch the conductive film 8 (ITO layer) of lower floor via the site layer 6 that insulated particle constituted, to measure the reference voltage level of this point, this magnitude of voltage ratio, promptly represent the ratio of X axis position on touch screen 10, lower conductive film 8 is used for measuring upper strata touch point voltage reference value, to measure the position of another Y direction, X, Y-axis is to the reference voltage level of ratio, handle and interpretation via another controller, and the central controller (CPU) that the signal after will handling transfers in the system is done the interpretation processing again, and variable signal manifested by lower substrate 7, so can directly doing on upper film 20, the user writes, draw or click every function.To sum up, this pattern characteristics can effectively reduce the work flow of voltage-type touch screen in the improvement of the syndeton of upper and lower electrode wires 12,22 and winding displacement 30 after the improvement really, and makes upper and lower interelectrode conduction more accurate.The effect that its feature reached, hardheaded already reaching, the applicant offers application in the whence in accordance with the law.
Claims (4)
1. upper and lower electrode conduction structure of touch screen is characterized in that: comprise:
One resistance (pressure) formula touch screen, its resistor network is divided into lower electrode line (silver slurry line), upper electrode line and winding displacement and is constituted, and wherein on the output terminal appropriate location of the electrical lead more than at least one in winding displacement, is provided with perforation;
One anisotropic conductive (ACF) is filled in the perforation and hot pressing is attached in the input end of upper and lower layer electrode wires, as upper and lower layer electrode conduction media, the electrical lead of winding displacement and upper and lower layer electrode wires is conducted.
2. the upper and lower electrode conduction structure of touch screen as claimed in claim 1 is characterized in that: the output terminal of in addition two electrical leads of winding displacement only mat conducting resinl overlays mutually with the input end of lower electrode line and closes, with make two electrical leads can with two electrode wires conductings of lower floor.
3. the coupling arrangement of its electrode network of resistance as claimed in claim 1 (pressure) formula touch screen, it is characterized in that: wherein the upper electrode line is printed in the basal surface of insulation course with mode of printing, the last insulation course that is shaped as frame is printed in again around the basal surface of upper film, the basal surface of upper film (promptly going up the central surface that insulation is separated), be printed with conductive film (ITO layer), the lower electrode line is printed in the following insulation course upper surface that is the frame shape, following insulation course is printed in the surface of the linear design layer of rectangular frame shape, and linear design layer republishes on rim around the surface of lower substrate;
One conductive film is printed in the surface (being the central surface that linear design layer separates) of lower substrate, and one is distributed on the conductive film (ITO layer) by the site layer that plural insulating particle constituted.
4. the upper and lower electrode conduction structure of touch screen as claimed in claim 1, it is characterized in that: be printed with a layer insulating between upper and lower layer electrode wires, this insulation course lateral margin is provided with a breach, this breach is just kept supplying, the input end of lower electrode line is positioned at this gap position, is able to link in this position the link of input end and its electrical lead of winding displacement for anisotropic conductive (ACF).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02129777 CN1218275C (en) | 2002-08-13 | 2002-08-13 | Contact control screen upper, lower electrode break-over structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02129777 CN1218275C (en) | 2002-08-13 | 2002-08-13 | Contact control screen upper, lower electrode break-over structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1475964A true CN1475964A (en) | 2004-02-18 |
| CN1218275C CN1218275C (en) | 2005-09-07 |
Family
ID=34144286
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02129777 Expired - Fee Related CN1218275C (en) | 2002-08-13 | 2002-08-13 | Contact control screen upper, lower electrode break-over structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1218275C (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100378797C (en) * | 2004-03-05 | 2008-04-02 | 友达光电股份有限公司 | Double screen display module |
| CN101185379B (en) * | 2005-05-02 | 2010-11-03 | 3M创新有限公司 | Generic patterned conductor for customizable electronic devices |
| CN102023774A (en) * | 2009-09-15 | 2011-04-20 | 比亚迪股份有限公司 | Resistance type touch screen |
| CN102804116A (en) * | 2009-06-19 | 2012-11-28 | 日本写真印刷株式会社 | Resistive film touch panel with pressing detection function |
| CN103076910A (en) * | 2011-12-12 | 2013-05-01 | 杨亚军 | Touch 3D (three-dimensional) display module |
| CN103092391A (en) * | 2011-10-31 | 2013-05-08 | 瀚宇彩晶股份有限公司 | Touch display, touch panel and manufacturing method thereof |
| CN102135846B (en) * | 2010-01-23 | 2013-08-28 | 比亚迪股份有限公司 | Resistance type touch screen |
| CN103309544A (en) * | 2013-06-07 | 2013-09-18 | 江西合力泰科技股份有限公司 | Etching-free resistive touch screen and production process thereof |
-
2002
- 2002-08-13 CN CN 02129777 patent/CN1218275C/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100378797C (en) * | 2004-03-05 | 2008-04-02 | 友达光电股份有限公司 | Double screen display module |
| CN101185379B (en) * | 2005-05-02 | 2010-11-03 | 3M创新有限公司 | Generic patterned conductor for customizable electronic devices |
| CN102804116A (en) * | 2009-06-19 | 2012-11-28 | 日本写真印刷株式会社 | Resistive film touch panel with pressing detection function |
| CN102023774A (en) * | 2009-09-15 | 2011-04-20 | 比亚迪股份有限公司 | Resistance type touch screen |
| CN102135846B (en) * | 2010-01-23 | 2013-08-28 | 比亚迪股份有限公司 | Resistance type touch screen |
| CN103092391A (en) * | 2011-10-31 | 2013-05-08 | 瀚宇彩晶股份有限公司 | Touch display, touch panel and manufacturing method thereof |
| CN103076910A (en) * | 2011-12-12 | 2013-05-01 | 杨亚军 | Touch 3D (three-dimensional) display module |
| CN103309544A (en) * | 2013-06-07 | 2013-09-18 | 江西合力泰科技股份有限公司 | Etching-free resistive touch screen and production process thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1218275C (en) | 2005-09-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: ETURBO TOUCH TECHNOLOGY INC. Free format text: FORMER OWNER: TUPO PHOTOELECTRIC SCIENCE + TECHNOLOGY CO. LTD. Effective date: 20110916 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20110916 Address after: South Road Taiwan Taoyuan County of Zhongli City, Zhongli China Industrial Zone No. 2 Patentee after: eTurbo Touch Technology Inc. Address before: China Taiwan Taoyuan County Patentee before: Tupo Photoelectric Science and Technology Co., Ltd. |
|
| ASS | Succession or assignment of patent right |
Owner name: WEICHUANG ZITONG CO., LTD. Effective date: 20130517 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20130517 Address after: South Road Taiwan Taoyuan County of Zhongli City, Zhongli China Industrial Zone No. 2 Patentee after: eTurbo Touch Technology Inc. Patentee after: Weichuang Zitong Co., Ltd. Address before: South Road Taiwan Taoyuan County of Zhongli City, Zhongli China Industrial Zone No. 2 Patentee before: eTurbo Touch Technology Inc. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20050907 Termination date: 20190813 |
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| CF01 | Termination of patent right due to non-payment of annual fee |