CN202351831U - Touch panel with shielding structure - Google Patents
Touch panel with shielding structure Download PDFInfo
- Publication number
- CN202351831U CN202351831U CN2011203638209U CN201120363820U CN202351831U CN 202351831 U CN202351831 U CN 202351831U CN 2011203638209 U CN2011203638209 U CN 2011203638209U CN 201120363820 U CN201120363820 U CN 201120363820U CN 202351831 U CN202351831 U CN 202351831U
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- Prior art keywords
- contact panel
- shielding construction
- construction according
- conductive
- shielding
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Abstract
The utility model provides a touch panel with a shielding structure. The touch panel comprises a conductive ring, a shielding layer and a plurality of conductive connection points, wherein the conductive ring is arranged around the upper surface of a substrate; the shielding layer is arranged on the lower surface of the substrate; and the conductive connection points are used for electrically connecting the shielding layer and the conductive ring. According to the touch panel with the shielding structure and a manufacturing method for the touch panel, the impedances of different distances between the shielding layer and a flexible printed circuit (FPC) can be consistent so as to eliminate the noise interference of a liquid crystal display, electronic equipment and the like below the touch panel in the operation of the touch panel; and in addition, the touch panel with the shielding structure is easy to manufacture, and manufacture cost is further saved.
Description
Technical field
The utility model relates to contact panel, particularly relates to a kind of contact panel with shielding construction.
Background technology
Contact panel can be divided into resistance-type, condenser type, acoustic wave and optical profile type etc. according to principle of induction.These contact panel systems are detected by the variation that touches the electric signal that produces, light signal and sound wave signal etc., change by this to calculate and to judge touch location.
In the electronic equipment of the combination of touch control panel of convention, screen layer is formed between contact panel and the electronic equipment, and an end of this screen layer is electrically connected to flexible print wiring (Flex Printed Circuit, shielding pin FPC).Screen layer will absorb the noise from electronic equipment, and discharge noise via the shielding pin of FPC.
Yet screen layer is lower at the impedance ratio near FPC, and higher away from the impedance ratio of FPC, the inconsistent deleterious that will cause the noise shielding of the impedance of screen layer like this, and make the noise that when operating contact panel, still can receive electronic equipment disturb.
The utility model content
In view of this; The utility model provides a kind of contact panel with shielding construction; Utilization electrically connects around the conductive ring and the screen layer of design; Even if make screen layer under distance shielding pin condition of different, also can not cause impedance inconsistent, and then can improve the problem of noise shield effectiveness variation.
The utility model provides a kind of contact panel with shielding construction, comprising: a conductive ring is arranged at the periphery on surface on the substrate; One screen layer is arranged at surface under the said substrate; And the plural conductive tie point, be electrically connected said screen layer and said conductive ring.
The contact panel that the utility model provides with shielding construction; Can make screen layer consistent, and the noise of eliminating LCD or electronic equipment etc. below when the operation contact panel, receiving from contact panel disturb to the impedance of the different distance of flexible print wiring.
Description of drawings
Below in conjunction with embodiment and accompanying drawing, the utility model is done further explain.
Fig. 1 is the upper surface of base plate synoptic diagram of the contact panel with shielding construction of the utility model.
Fig. 2 is the base lower surface synoptic diagram of the contact panel with shielding construction of the utility model.
Fig. 3 is the upper surface of base plate floor map of the contact panel with shielding construction of the utility model.
Fig. 4 is the diagrammatic cross-section of the contact panel with shielding construction of the utility model.
Embodiment
For above-mentioned purpose, the feature and advantage that make the utility model can be more obviously understandable, hereinafter is special lifts a preferred embodiment, and cooperates appended graphicly, elaborates as follows.
Fig. 1 and 2 is for the contact panel with shielding construction of the utility model.With reference to Fig. 1 and 2, this contact panel with shielding construction comprises substrate 10, screen layer 12, conductive ring 14 and plural conductive tie point 18.Wherein, conductive ring 14 is arranged at the periphery on surface on the substrate 10 of contact panel, and screen layer 12 is arranged under this substrate 10 on the surface.Screen layer 12 and conductive ring 14 are to be processed by conductive material.Wherein, this screen layer 12 is a conductive layer, for example metal or indium tin oxide (ITO) or its combination in any.This contact panel with shielding construction further comprises plurality of electrodes 22,24, and is surrounded by conductive ring 14.Wherein, in different embodiments, this conductive ring 14 can be processed by metal material, also can be processed by transparent conductive material, for example indium tin oxide (ITO).Conductive ring 14 is electrically connected to a flexible print wiring 16 (Flex Printed Circuit, shielding pin FPC).In different embodiments, screen layer 12 is to be planar structure or reticulate texture, and with screen layer 12 ground connection.
Plural conductive tie point 18 is in order to be electrically connected screen layer 12 and conductive ring 14.In different embodiments, the installation position of conduction tie point 18 both can be laid in four corners of substrate 10, can also lay four edges of substrate, and a conduction tie point 18 is laid at each edge at least; The laying mode of conduction tie point 18; Both can stride the side of being located at substrate 10; Can also realize by the mode that through hole is set on substrate 10; Promptly further comprise plurality of through holes (not shown) in substrate 10, be arranged at the relative position of screen layer 12 and conductive ring 14, conduction tie point 18 is arranged in the through hole.
The installation position of above-mentioned conduction tie point 18 and laying mode can combination in any realize being electrically connected of screen layer 12 and conductive ring 14.For example, in Fig. 1, the embodiment shown in 2, conduction tie point 18 is laid in four corners of substrate 10 and strides the side of being located at substrate 10, to be electrically connected screen layer 12 and conductive ring 14.Wherein, these conduction tie points 18 can use elargol or conductive tape.
Please refer to Fig. 3,4, be formed on that surface electrode is divided into vertical axial electrode 22 and horizontal axis electrode 24 on the substrate 10.In addition; The periphery on surface forms peripheral connecting line 20 on substrate 10; Periphery connecting line 20 is electrically connected vertical axial electrode 22 and horizontal axis electrode 24 respectively, and peripheral connecting line 20 is in order to export the signal that these vertical axial electrodes 22 and horizontal axis electrode 24 are produced.Wherein, Each vertical axial electrode 22 comprises a plurality of vertical axial conductive units 26 and is electrically connected a plurality of vertical axial leads 28 of these vertical axial conductive units 26, and each horizontal axis electrode 24 comprises a plurality of horizontal axis conductive units 30 and be electrically connected a plurality of horizontal axis leads 32 of these horizontal axis conductive units 30.
In this embodiment, peripheral connecting line 20, vertical axial lead 28, horizontal axis lead 32 and conductive ring 14 are to use identical metal material.In another embodiment, peripheral connecting line 20, vertical axial lead 28, horizontal axis lead 32 and conductive ring 14 also can use identical electrically conducting transparent material.
Each is graphic with reference to above-mentioned, with the manufacturing approach of the contact panel with shielding construction of explanation the utility model.The manufacturing approach of the visual actual contact panel of manufacturing approach order of following embodiment is adjusted in proper order, is not the manufacturing approach in order to limitation the utility model.Also omit explanation with the manufacturing approach that the manufacturing approach of the utility model is irrelevant.
Refer again to Fig. 1-4, at first, form a screen layer 12 surface under substrate 10; Then, form a plurality of vertical axial electrode 22, horizontal axis electrode 24 and a conductive ring 14 surface on substrate 10, wherein, conductive ring 14 is to surround these vertical axial electrodes 22 and horizontal axis electrode 24; Secondly, lay plural conductive tie point 18 to be electrically connected screen layer 12 and conductive ring 14.
Wherein, In the step that forms these vertical axial electrodes 22 and horizontal axis electrode 24; Lay lead 28 surface on substrate 10 of a plurality of vertical axial conductive unit 26, horizontal axis conductive unit 30 and vertical axial, the lead 28 of each vertical axial is electrically connected adjacent conductive unit 26 to constitute vertical axial electrode 22.Then; Lay lead 32 surface on substrate 10 of this conductive ring 14, a plurality of peripheral connecting line 20 and horizontal axis simultaneously; The lead 32 of each horizontal axis is electrically connected adjacent conductive unit 30 to constitute horizontal axis electrode 24; And peripheral connecting line 20 is electrically connected these vertical axial electrodes 22 and horizontal axis electrode 24 respectively, to export the signal that vertical axial electrode 22 and horizontal axis electrode 24 are produced.Periphery connecting line 20 is electrically connected to the signal pin of flexible print wiring 16, and conductive ring 14 is electrically connected to the shielding pin of flexible print wiring 16.
Because conductive ring 14, peripheral connecting line 20 and lead 32 use identical conductive material; For example metal material or transparent conductive material (like indium tin oxide (ITO)) or its combination in any are so conductive ring 14, peripheral connecting line 20 and lead 32 can be laid in surface on the substrate 10 simultaneously.
The screen layer 12 that forms surface under the substrate 10 is to be planar structure or reticulate texture, and screen layer 12 is given ground connection.
In different embodiments, the installation position of conduction tie point 18 both can be laid in four corners of substrate 10, can also lay four edges of substrate, and a conduction tie point 18 is laid at each edge at least; The laying mode of conduction tie point 18; Both can stride the side of being located at substrate 10; Can also realize by the mode that through hole is set on substrate 10; Promptly further comprise plurality of through holes (not shown) in substrate 10, it is arranged at the relative position of screen layer 12 and conductive ring 14, and conduction tie point 18 is arranged in the through hole.
The installation position of above-mentioned conduction tie point 18 and laying mode can combination in any realize being electrically connected of screen layer 12 and conductive ring 14.For example, in Fig. 1, the embodiment shown in 2, conduction tie point 18 is laid in four corners of substrate 10 and strides the side of being located at substrate 10, to be electrically connected screen layer 12 and conductive ring 14.Wherein, these conduction tie points 18 can use elargol or conductive tape.
In sum; The advantage system of the utility model provides a kind of contact panel and manufacturing approach thereof with shielding construction, is electrically connected screen layer and conductive ring by the conduction tie point, can make screen layer consistent to the impedance of the different distance of flexible print wiring; And the noise of eliminating LCD or electronic equipment etc. below when the operation contact panel, receiving from contact panel disturbs; Simultaneously, the contact panel with shielding construction is made simply, and then saves manufacturing cost.
The above; Be merely the utility model preferred embodiment; So can not limit the scope of the utility model with this, the equivalence of promptly doing according to the utility model claim and description changes and modifies, and all should still belong in the scope that the utility model patent contains.
Claims (17)
1. contact panel with shielding construction comprises:
One conductive ring is arranged at the periphery on surface on the substrate;
One screen layer is arranged at surface under the said substrate; And
The plural conductive tie point is electrically connected said screen layer and said conductive ring.
2. the contact panel with shielding construction according to claim 1 is characterized in that, said conduction tie point is laid in four corners of said substrate.
3. the contact panel with shielding construction according to claim 1 is characterized in that, said conduction tie point is laid in four edges of said substrate, and a conduction tie point is laid at each edge at least.
4. according to claim 2 or 3 described contact panels, it is characterized in that said conduction tie point is striden the side of being located at said substrate with shielding construction.
5. according to claim 2 or 3 described contact panels with shielding construction, it is characterized in that said substrate further comprises plurality of through holes, be arranged at the said screen layer position relative with said conductive ring, said conduction tie point is arranged in the through hole.
6. the contact panel with shielding construction according to claim 1 is characterized in that, said conduction tie point is one of them of elargol and conductive tape.
7. the contact panel with shielding construction according to claim 1 is characterized in that, said shielding series of strata are planar structure.
8. the contact panel with shielding construction according to claim 1 is characterized in that, said shielding series of strata are reticulate texture.
9. the contact panel with shielding construction according to claim 1 is characterized in that, said shielding series of strata ground connection.
10. the contact panel with shielding construction according to claim 1 is characterized in that, said conductive ring is electrically connected to the shielding pin of a flexible print wiring.
11. the contact panel with shielding construction according to claim 1 is characterized in that, said screen layer and said conductive ring system are processed by conductive material.
12. the contact panel with shielding construction according to claim 1 is characterized in that, further comprises plurality of electrodes, is arranged at surface on the said substrate, is surrounded by said conductive ring.
13. the contact panel with shielding construction according to claim 12 is characterized in that, said electrode comprises the plural conductive unit and is electrically connected a plurality of leads of said conductive unit.
14. the contact panel with shielding construction according to claim 13 is characterized in that, said electrode comprises a plurality of horizontal axis electrodes and vertical axial electrode.
15. the contact panel with shielding construction according to claim 13 is characterized in that, said conductive ring and said lead system use same conductive.
16. the contact panel with shielding construction according to claim 13 is characterized in that, further comprises a plurality of peripheral connecting lines, is electrically connected said electrode, in order to export the signal that said electrode produces.
17. the contact panel with shielding construction according to claim 16 is characterized in that, said peripheral connecting line, said conductive ring and said lead system use same conductive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203638209U CN202351831U (en) | 2011-09-10 | 2011-09-10 | Touch panel with shielding structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203638209U CN202351831U (en) | 2011-09-10 | 2011-09-10 | Touch panel with shielding structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202351831U true CN202351831U (en) | 2012-07-25 |
Family
ID=46540818
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203638209U Expired - Lifetime CN202351831U (en) | 2011-09-10 | 2011-09-10 | Touch panel with shielding structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202351831U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102955303A (en) * | 2012-10-26 | 2013-03-06 | 北京京东方光电科技有限公司 | Touch display screen and touch display device |
| CN102999197A (en) * | 2011-09-10 | 2013-03-27 | 宸鸿科技(厦门)有限公司 | Touch control panel with shielding structure and manufacturing method thereof |
| CN103631458A (en) * | 2012-08-27 | 2014-03-12 | 宸鸿科技(厦门)有限公司 | Touch control panel, electronic device of touch control panel and manufacturing method of touch control panel |
| TWI486842B (en) * | 2013-04-24 | 2015-06-01 | Tpk Touch Solutions Xiamen Inc | Touch panel and cover substrate structure thereof |
| TWI644243B (en) * | 2017-07-27 | 2018-12-11 | 大陸商業成科技（成都）有限公司 | Touch panel |
| CN111065991A (en) * | 2017-09-29 | 2020-04-24 | 苹果公司 | Multi-through hole structure for touch screen |
-
2011
- 2011-09-10 CN CN2011203638209U patent/CN202351831U/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102999197A (en) * | 2011-09-10 | 2013-03-27 | 宸鸿科技(厦门)有限公司 | Touch control panel with shielding structure and manufacturing method thereof |
| CN102999197B (en) * | 2011-09-10 | 2016-06-08 | 宸鸿科技(厦门)有限公司 | There is contact panel and the manufacture method thereof of shielding construction |
| CN103631458A (en) * | 2012-08-27 | 2014-03-12 | 宸鸿科技(厦门)有限公司 | Touch control panel, electronic device of touch control panel and manufacturing method of touch control panel |
| CN103631458B (en) * | 2012-08-27 | 2018-12-25 | 宸鸿科技(厦门)有限公司 | Touch panel, its electronic device and its manufacturing method |
| CN102955303A (en) * | 2012-10-26 | 2013-03-06 | 北京京东方光电科技有限公司 | Touch display screen and touch display device |
| TWI486842B (en) * | 2013-04-24 | 2015-06-01 | Tpk Touch Solutions Xiamen Inc | Touch panel and cover substrate structure thereof |
| TWI644243B (en) * | 2017-07-27 | 2018-12-11 | 大陸商業成科技（成都）有限公司 | Touch panel |
| CN111065991A (en) * | 2017-09-29 | 2020-04-24 | 苹果公司 | Multi-through hole structure for touch screen |
| CN111065991B (en) * | 2017-09-29 | 2021-07-09 | 苹果公司 | Touch sensor panel, method of forming the same, and method of sensing touch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120725 |
|
| CX01 | Expiry of patent term |