CN201489506U - Capacitor type touch control panel - Google Patents
Capacitor type touch control panel Download PDFInfo
- Publication number
- CN201489506U CN201489506U CN2009201624609U CN200920162460U CN201489506U CN 201489506 U CN201489506 U CN 201489506U CN 2009201624609 U CN2009201624609 U CN 2009201624609U CN 200920162460 U CN200920162460 U CN 200920162460U CN 201489506 U CN201489506 U CN 201489506U
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Abstract
The utility model discloses a capacitor type touch control panel comprising a plurality of first electrode groups and a plurality of second electrode groups which are vertically arranged; each first electrode group comprises a plurality of first transparent electrodes and conductive circuits for connecting two adjacent first transparent electrodes; each second electrode group comprises a plurality of second transparent electrodes, a node is arranged between the conductive circuit and two adjacent second transparent electrodes, and the node comprises the following points: the periphery of each conductive circuit is coated with a transparent insulating layer, the surface of the transparent insulating layer is provided with an electrostatic protection circuit for connecting two adjacent second transparent electrodes, the surface of the electrostatic protection circuit is provided with a metal wire, and two ends of the metal wire are not connected with two adjacent second transparent electrodes; and the transmission of electronic signals by the second electrode groups needs to pass through the static protection circuit so that the the electronic signals can be transmitted by the metal wire, thus being capable of increasing the static protection property of the metal wire.
Description
Technical field
The utility model is about a kind of contact panel, is meant a kind of being arranged between sensing electrode in order to prevent the capacitance type touch-control panel of electrostatic breakdown especially.
Background technology
The application of contact panel is very extensive, personal digital assistant (Personal DigitalAssistant for example, PDA), GPS (Global Positioning system, GPS), visitor's guide system, ATM (Automatic Teller Machine), point-of-sale terminals, industrial control system etc.Because these interfaces are easy to use, durable in use, and cost is not high, so market is still in continuing growth.
Contact panel can be detected the physical principle of touch point according to it, and is divided into three kinds: resistance-type, condenser type and fluctuation formula; Wherein, resistance-type system uses the contact flicking of finger or other object to produce voltage, condenser type system is with the variation of light finger pressure with the generation capacitance, and fluctuation formula system covers whole surface with sound wave or infrared ray, blocks these standing wave patterns with the contact of finger or object again.
Please refer to Fig. 5 and Fig. 6, represent the part front elevation of known capacitance type touch-control panel and the part front elevation of electrostatic breakdown safeguard structure thereof respectively.For capacitance type touch-control panel, between each the two electrode X1 on the two-dimensional directional (X-axis and Y-axis), X2, Y1, Y2, be provided with metallic circuit M1, M2, wherein interelectrode in the horizontal direction metallic circuit is the cross-over connection mode, and because the width of metallic circuit M2 is little, promptly open circuit because of electrostatic breakdown causes easily (as shown in Figure 5); And, promptly strengthen the width of cross-over connection metallic circuit M2 in order to prevent electrostatic breakdown, to reach the purpose (as shown in Figure 6) that prevents electrostatic breakdown; But the thickness that strengthens metallic circuit can make impedance increase, and causes Yu Ying to enlarge, and not only influences show image, influences display quality especially.
The utility model content
Therefore, for addressing the above problem, the purpose of this utility model is to provide a kind of electrostatic breakdown safeguard structure, be arranged on the vertical direction of capacitance type touch-control panel and the staggered place of parallel direction electrode and be provided with the electrostatic defending circuit, use the problem that reaches electrostatic protection effect and reduce surplus shadow.
So to achieve these goals, the utility model provides a kind of capacitance type touch-control panel, it is to comprise:
A plurality of first electrode groups that are arranged in parallel, this first electrode group of each group is provided with a plurality of spaced first transparency electrodes respectively, and a plurality of conducting wire that is linked to each first transparency electrode;
A plurality of second electrode groups that are arranged in parallel, those second electrode groups are provided with perpendicular to those first electrode groups, and this second electrode group is provided with a plurality of spaced second transparency electrodes respectively, is the matrix-style arrangement for those first transparency electrodes and those second transparency electrodes;
A plurality of nodes, this node is formed at respectively between this conducting wire and adjacent two first transparency electrodes, those nodes are coated with a transparent insulating layer respectively at this conducting wire periphery, and the one side that those transparent insulating layers differ from those conducting wires is respectively equipped with an electrostatic defending circuit, those electrostatic defending circuits are connected to the two second adjacent transparency electrodes, and be respectively equipped with a metallic circuit in the surface of those electrostatic defending circuits, and those metallic circuits are not connected with this transparent induction electrode, and the electrical impedance of those metallic circuits is less than those electrostatic defending circuits.
Purpose that the utility model is above-mentioned and advantage are not difficult to obtain to understand in depth from the detailed description and accompanying drawing of following selected embodiment.
Certainly, the utility model is at some in addition on part, or allows in the arrangement of part differently in addition, but selected embodiment then in this instructions, described in detail, and shows its structure in accompanying drawing.
Description of drawings
Fig. 1 represents that the utility model is applied in the stereo appearance figure of personal digital assistant.
Fig. 2 represents the front elevation of the utility model capacitance type touch-control panel.
Fig. 3 represents the wherein front elevation at a node place of the utility model capacitance type touch-control panel.
Fig. 4 represents the wherein phantom view at a node place of the utility model capacitance type touch-control panel.
Fig. 5 represents the part front elevation of known capacitance type touch-control panel.
Fig. 6 represents the part front elevation of the electrostatic breakdown safeguard structure of known capacitance type touch-control panel.
Symbol description
1 personal digital assistant, 11 shells
13 control zones, 12 viewing areas
14 articulating regions, 2 capacitance type touch-control panels
3 substrates, 4 first electrode groups
40 conducting wires, 41 first transparency electrodes
5 second electrode groups, 51 second transparency electrodes
61 transparent insulating layers, 62 electrostatic defending circuits
63 metallic circuits, 7 protective clear layers
8 flexible circuit boards, 81 circuits
9 transparent screen layer M1 metallic circuits
M2 metallic circuit P node
P1 node W1 first width
W2 second width X second direction (horizontal direction) touch coordinate
X1 electrode X2 electrode
Y first direction (vertical direction) touch coordinate Y1 electrode
The Y2 electrode
Embodiment
Please refer to Fig. 1, is the stereo appearance figure that expression the utility model is applied in personal digital assistant.Personal digital assistant 1 is to comprise a shell 11, a viewing area 12, a control zone 13 and an articulating region 14, and capacitance type touch-control panel of the present utility model 2 is arranged on viewing area 12, the operation of importing in the touching mode for the user.
Please refer to Fig. 2, Fig. 3 and Fig. 4, is to represent the front elevation of the utility model capacitance type touch-control panel, the wherein front elevation and the phantom view at a node place respectively.Capacitance type touch-control panel 2 of the present utility model comprises a substrate 3, a plurality of first electrode group 4, a plurality of second electrode group 5, a plurality of node P and protective clear layer 7.
Each first electrode group 4 is to arrange in parallel to each other and be arranged on substrate 3 surfaces towards a first direction, and the utility model is to be that first direction describes with the vertical direction.Each first electrode group 4 is to have a plurality of first transparency electrodes 41 and a plurality of conducting wire 40 (as shown in Figure 3) that is linked to each first transparency electrode 41, conducting wire 40 is in order to connect 2 first adjacent transparency electrodes 41, its material is to can be molybdenum, aluminium, chromium or its oxide or alloy, and the material of first transparency electrode 41 is to be tin indium oxide (ITO) or indium zinc oxide (IZO), and the first transparent induction electrode 41 of each first electrode group 4 is one-body moldedly to be made in substrate 3 surfaces with conducting wire 40; When the user carries out input operation in the touching mode, detect a first direction (vertical direction) touch coordinate Y with each first transparency electrode 41.
Each second electrode group 5 is to arrange in parallel to each other and be arranged on substrate 3 surfaces towards a second direction, and the utility model is to be that second direction describes with the horizontal direction.Each second electrode group 5 is to have a plurality of second transparency electrodes 51, and the material of second transparency electrode 51 is to be tin indium oxide (ITO) or indium zinc oxide (IZO); When the user carries out input operation in the touching mode, detect a second direction (horizontal direction) touch coordinate X with each second transparency electrode 51.
Moreover, each first transparency electrode 41 and each second transparency electrode 5 can be an a rhombus (or parallelogram, but not as limit), so, can design the size of the first electrode group 4 according to the size of Touch Screen, and the catercorner length of the adjustment first electrode group 4, so that the first electrode group 4 can meet the size of Touch Screen fully, make the second electrode group 5 can be flexibly set in the both sides of the first electrode group 4 according to different circuit layouts.
Owing to each first electrode group 4 is to be arranged on substrate 3 surfaces in the arranged mode with each second electrode group 5, therefore each first electrode group 4 is to form a plurality of node P with each the second electrode group, 5 staggered place, that is node P is formed between conducting wire 40 and adjacent two first transparency electrodes 41.
Node P includes a transparent insulating layer 61, an electrostatic defending circuit 62 and a plurality of metallic circuit 63; Present embodiment is to be that example describes with node P1 and 2 first adjacent transparency electrodes 41 with 2 second transparency electrodes 51 that link to each other.
Electrostatic defending circuit 62 is arranged on transparent insulating layer 61 surfaces, and connects 2 second adjacent transparency electrodes 51, and the material of electrostatic defending circuit 62 is to can be tin indium oxide (ITO) or indium zinc oxide (IZO), and electrostatic defending circuit 62 has one first width W 1.
Owing to have electrostatic defending circuit 62 to connect 2 second adjacent transparency electrodes 51, and first width W 1 of electrostatic defending circuit 62 is greater than second width W 2 that is arranged on its surperficial metallic circuit 63, do not contact with adjacent second transparency electrode 51 for each metallic circuit 63; Therefore; when capacitance type touch-control panel 2 energising runnings; need when the second electrode group 5 transmits signal; because electronics is linked to second transparency electrode 51 through electrostatic defending circuit (ITO) 62; and electrostatic defending circuit 62 differs very big with the impedance of metallic circuit 63; thereby make that electronics can be via second transparency electrode 51; jump directly to metallic circuit 63; with the position (being electrostatic defending circuit 62 and conducting wire 40 intervening portions) of avoiding electrostatic defending circuit 62 most fragiles; be connected to the end in addition of electrostatic defending circuit 62 again via metallic circuit 63; conduction causes another second transparency electrode 51; use the defencive function that reaches with tin indium oxide (ITO) electrostatic prevention; simultaneously can avoid strengthening metallic circuit 63, avoid the generation of Yu Ying.
Moreover; be provided with protective clear layer 7 in each first electrode group 4, each second electrode group 5 with each electrostatic breakdown safeguard structure 6 surface; be to be provided with protective clear layer 7 in order to each first electrode group 4 of protection, each second electrode group 5 with each electrostatic breakdown safeguard structure 6, its material is to can be silicon dioxide (SiO
2) or organic material.
In addition, capacitance type touch-control panel 2 of the present utility model more comprises a flexible circuit board 8, has many circuits 81 to connect each first electrode group 4, each the second electrode group 5 and transparent screen layer 9.
The above announcement of implementing kenel is in order to explanation the utility model, is not in order to restriction the utility model, so the displacement of the change of numerical value or equivalent elements must be subordinate to category of the present utility model such as.
Claims (10)
1. a capacitance type touch-control panel is characterized in that, comprises:
A plurality of first electrode groups that are arranged in parallel, this first electrode group of each group is provided with a plurality of spaced first transparency electrodes respectively, and a plurality of conducting wire that is linked to each first transparency electrode;
A plurality of second electrode groups that are arranged in parallel, those second electrode groups are provided with perpendicular to those first electrode groups, and this second electrode group is provided with a plurality of spaced second transparency electrodes respectively, is the matrix-style arrangement for those first transparency electrodes and those second transparency electrodes; And
A plurality of nodes, this node is formed at respectively between this conducting wire and adjacent two first transparency electrodes, those nodes are coated with a transparent insulating layer respectively at this conducting wire periphery, and the one side that those transparent insulating layers differ from those conducting wires is respectively equipped with an electrostatic defending circuit, those electrostatic defending circuits are connected to the two second adjacent transparency electrodes, and the one side that those electrostatic defending circuits differ from this transparent insulating layer is respectively equipped with a metallic circuit, those metallic circuits are not connected with this second transparent induction electrode, and the electrical impedance of those metallic circuits is less than those electrostatic defending circuits.
2. capacitance type touch-control panel according to claim 1, it is characterized in that, those metallic circuits have one first width, and this electrostatic defending circuit has one second width, and those first width are less than or equal to those second width, are formed at for those metallic circuits in the surface of those second electrostatic defending circuits.
3. capacitance type touch-control panel according to claim 1, it is characterized in that, this transparent insulating layer is that whole face is layed in those first electrode groups, those second electrode groups and this substrate surface, and those electrostatic defending circuits run through this relative transparent insulating layer respectively relatively, to be connected in two two second adjacent transparent induction electrodes.
4. capacitance type touch-control panel according to claim 1 is characterized in that, this conducting wire is a metal wire.
5. capacitance type touch-control panel according to claim 1 is characterized in that, the surface of this substrate, those first electrode groups and those second electrode groups is provided with the protective clear layer of one deck.
6. capacitance type touch-control panel according to claim 1 is characterized in that, the material of those first transparency electrode groups, those second transparency electrode groups and those electrostatic defending circuits is tin indium oxide or indium zinc oxide.
7. capacitance type touch-control panel according to claim 1 is characterized in that, the material of this metallic circuit is molybdenum, aluminium, chromium or its oxide or alloy.
8. capacitance type touch-control panel according to claim 1 is characterized in that, the material of those first transparency electrodes, those second transparency electrodes and those electrostatic defending circuits is tin indium oxide or indium zinc oxide.
9. capacitance type touch-control panel according to claim 1 is characterized in that, comprises a flexible circuit board, and this flexible circuit board has a plurality of circuits, and connects those first electrode groups, those second electrode groups and this transparent screen layer respectively.
10. capacitance type touch-control panel according to claim 1 is characterized in that, this substrate is a glass substrate, an eyeglass or a colored filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201624609U CN201489506U (en) | 2009-07-30 | 2009-07-30 | Capacitor type touch control panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201624609U CN201489506U (en) | 2009-07-30 | 2009-07-30 | Capacitor type touch control panel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201489506U true CN201489506U (en) | 2010-05-26 |
Family
ID=42428376
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201624609U Expired - Fee Related CN201489506U (en) | 2009-07-30 | 2009-07-30 | Capacitor type touch control panel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201489506U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102866811A (en) * | 2011-07-06 | 2013-01-09 | 安浙触控科技有限公司 | Capacitive touch control panel |
| WO2013060251A1 (en) * | 2011-10-27 | 2013-05-02 | 宸鸿科技(厦门)有限公司 | Touch screen |
| CN103226404A (en) * | 2012-11-30 | 2013-07-31 | 深圳市骏达光电有限公司 | Touch screen functional block, touch screen and electronic equipment |
| CN103235674A (en) * | 2013-04-26 | 2013-08-07 | 江西沃格光电科技有限公司 | Capacitive touch screen and preparation method thereof |
| CN103268175A (en) * | 2012-11-28 | 2013-08-28 | 厦门天马微电子有限公司 | Capacitance-type touch module and substrate with same |
| WO2013170703A1 (en) * | 2012-05-16 | 2013-11-21 | 宸鸿科技(厦门)有限公司 | Touch panel and fabrication method therefor |
| CN103530010A (en) * | 2013-09-27 | 2014-01-22 | 深圳市华星光电技术有限公司 | Mutual capacitance type touch screen |
| CN103677460A (en) * | 2012-09-26 | 2014-03-26 | 东莞万士达液晶显示器有限公司 | Touch panel |
| CN111279301A (en) * | 2017-11-01 | 2020-06-12 | 阿尔卑斯阿尔派株式会社 | Electrostatic capacitance type sensor |
-
2009
- 2009-07-30 CN CN2009201624609U patent/CN201489506U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102866811A (en) * | 2011-07-06 | 2013-01-09 | 安浙触控科技有限公司 | Capacitive touch control panel |
| WO2013060251A1 (en) * | 2011-10-27 | 2013-05-02 | 宸鸿科技(厦门)有限公司 | Touch screen |
| WO2013170703A1 (en) * | 2012-05-16 | 2013-11-21 | 宸鸿科技(厦门)有限公司 | Touch panel and fabrication method therefor |
| CN103677460A (en) * | 2012-09-26 | 2014-03-26 | 东莞万士达液晶显示器有限公司 | Touch panel |
| CN103268175A (en) * | 2012-11-28 | 2013-08-28 | 厦门天马微电子有限公司 | Capacitance-type touch module and substrate with same |
| CN103268175B (en) * | 2012-11-28 | 2016-05-25 | 厦门天马微电子有限公司 | Capacitance touching control module and be provided with the substrate of capacitance touching control module |
| CN103226404A (en) * | 2012-11-30 | 2013-07-31 | 深圳市骏达光电有限公司 | Touch screen functional block, touch screen and electronic equipment |
| CN103235674A (en) * | 2013-04-26 | 2013-08-07 | 江西沃格光电科技有限公司 | Capacitive touch screen and preparation method thereof |
| CN103235674B (en) * | 2013-04-26 | 2016-05-25 | 江西沃格光电股份有限公司 | Capacitive touch screen and preparation method thereof |
| CN103530010A (en) * | 2013-09-27 | 2014-01-22 | 深圳市华星光电技术有限公司 | Mutual capacitance type touch screen |
| CN111279301A (en) * | 2017-11-01 | 2020-06-12 | 阿尔卑斯阿尔派株式会社 | Electrostatic capacitance type sensor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100526 Termination date: 20160730 |