CN201716712U - Capacitive-type touch graphic structure, touch panel and touch display device - Google Patents
Capacitive-type touch graphic structure, touch panel and touch display device Download PDFInfo
- Publication number
- CN201716712U CN201716712U CN2010202562388U CN201020256238U CN201716712U CN 201716712 U CN201716712 U CN 201716712U CN 2010202562388 U CN2010202562388 U CN 2010202562388U CN 201020256238 U CN201020256238 U CN 201020256238U CN 201716712 U CN201716712 U CN 201716712U
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- capacitance touching
- graphic structure
- conductive unit
- touching control
- control graphic
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Abstract
The utility model discloses a capacitive-type touch graphic structure which comprises a substrate, an insulating layer, a plurality of first-direction conducting cell blocks and a plurality of second-direction conducting cell blocks, wherein a plurality of first-direction wires are formed on the substrate and uniformly distributed in a first direction; the insulating layer is covered on the plurality of first-direction wires, a plurality of through-holes are formed on the surface of the insulating layer, and the through-holes are formed above the two ends of the corresponding first-direction wires respectively; the plurality of first-direction conducting cell blocks are arranged on the insulating layer and uniformly distributed in the first direction; the plurality of second-direction conducting cell blocks are arranged on the insulating layer and uniformly distributed in a second direction; the second-direction conducting cell blocks comprise a plurality of second-direction wires for connecting each two adjacent second-direction conducting cells; and each two adjacent first-direction conducting cells are electrically connected to each other through the first-direction wires. The capacitive-type touch graphic structure is thin, easy to fabricate and imperceptible.
Description
Technical field
The utility model relates to the touch screen field, particularly relates to a kind of touch-control graphic structure and manufacture method thereof that is used for capacitance type touch-control panel, and the contact panel and the touch control display apparatus that adopt this touch-control graphic structure.
Background technology
The touch-control input mode of existing contact panel (Touch Panel) comprises resistance-type, condenser type, optical profile type, induction and sound wave induction type etc.Wherein, resistance-type and capacitive principle of work are: the user touches with finger or induction pen counter plate surface, be subjected to the inner variation that produces voltage and electric current of panel of touch position, the position of analysis to determine that panel surface is touched detected in these variations.
As shown in Figure 1, capacitance type touch-control panel comprises the electrode axis of X (X1-X7) direction and Y (Y0-Y4) direction.When the user with finger or during other ground connection conductive body touch panel (shown in dash area among the figure), X-axis that touches and Y-axis can produce capacitance variations respectively.Controller receives and analyzes this capacitance variations, with the position of definite touched X-axis that arrives and Y-axis, thereby judges the position that finger touches on touch surface.
Existing a kind of capacitance touching control graphic structure 10, as shown in Figure 2, it includes and is arranged on glass 1 a plurality of along the spaced the first region piece 11 of first direction and a plurality of along the spaced second electrode block 12 of second direction with one deck, forms matrix structure; A plurality of first lead 111 and a plurality of second leads 121, be electrically connected to each other by one first lead 111 between per two adjacent the first region pieces 11, be electrically connected to each other by one second lead 112 between per two second adjacent electrode blocks 12, two second adjacent electrode blocks 12 are laid in the both sides of one first lead 111 respectively, and first lead 11 and second lead 12 are orthogonal; And a plurality of collets 13, each collets 13 is formed between first lead 11 and second lead 12, makes it to form electrical isolation.
As shown in Figure 3, above-mentioned capacitance touching control graphic structure 10 because the setting of a plurality of collets 13 causes the projection of many places, easily causes ray refraction and reflection, easily by visual finding.
Therefore, need a kind of new capacitance touching control graphic structure to solve above-mentioned traditional existing problem of capacitance touching control figure and defective.
The utility model content
Be provided with easily by visual being seen problem and defective for solving above-mentioned capacitance touching control graphic structure insulation course, the purpose of this utility model is to provide a kind of capacitance touching control graphic structure that is used to make the touch-control display screen, its method for making is simple, is not easy by visual finding, and has intensity preferably.
Another purpose of the present utility model is to provide a kind of contact panel that is provided with capacitance touching control graphic structure of the present invention.
Another purpose of the present utility model is to provide a kind of touch-control display screen with above-mentioned contact panel.
To achieve these goals, the utility model provides a kind of capacitance touching control graphic structure that is used for the contact panel in the touch-control display screen, comprising: a substrate forms a plurality of and evenly is arranged in first direction lead on the first direction on the described substrate; One insulation course is covered in described a plurality of first direction leads, and described surface of insulating layer tool plurality of through holes, and described through hole is formed at the top at described first direction lead two ends respectively; At least one first direction conductive unit group, every group comprises along spaced apart two the first direction conductive units of first direction at least, and is electrically connected to each other by described first direction conduction between described per two adjacent first direction conductive units; At least one second direction conductive unit group, every group comprises along spaced apart two the second direction conductive units of second direction at least, and at least one second direction lead; Described second direction conductive unit is arranged at the both sides of described first direction lead relevant position, and described per two adjacent second direction conductive units are electrically connected to each other by described second direction lead; Described first direction conductive unit and described second direction conductive unit are insulated from each other, and described first direction lead and second direction lead are orthogonal, and insulated from each other by described insulation course.
In order to realize above-mentioned purpose, the utility model also provides a kind of contact panel that is used for touch control display apparatus, and it comprises just like preceding described capacitance touching control graphic structure, and is arranged on the signal line-group that substrate periphery is used for transmitting above-mentioned touching signals; An and processor that is used for receiving and handling described touching signals; The signal line-group comprises plurality of first signal lines and a plurality of secondary signal lines, described each first direction conductive unit group is connected to controller by corresponding first signal wire, and described each second direction conductive unit group is connected to controller by a corresponding secondary signal line.
In order to realize above-mentioned purpose, the utility model also provides a kind of touch control display apparatus, and it comprises foregoing contact panel.
The beneficial effects of the utility model are, first direction conductive unit and second direction conductive unit can be laid formation in time processing, and are arranged on same one deck, lay the required manufacturing procedure of touch-control graphic structure thereby reduced, reduce the thickness of whole contact panel, improved production efficiency.And the utility model adopts comprehensive bedding insulation course, only is provided with through hole in the corresponding position of insulation course, and this clear size of opening is much smaller than traditional collets size, so surface structure visual being difficult for sees.The covering of whole layer insulating can also be protected the first direction lead effectively and be arranged on the signal line-group of contact panel substrate periphery.
Description of drawings
Fig. 1 is a capacitance type touch-control panel principle of induction synoptic diagram.
Fig. 2 is the structural representation of a capacitance touching control figure.
Fig. 3 is the reflection synoptic diagram of capacitance touching control figure among Fig. 2.
Fig. 4 A-4D is the manufacturing process synoptic diagram of capacitance touching control graphic structure of the present utility model.
Fig. 5 is the making process flow diagram of capacitance touching control graphic structure of the present utility model.
Fig. 6 is the structural representation of capacitance touching control figure of the present utility model.
Fig. 7 is the structural representation of first direction lead among Fig. 5.
Fig. 8 is the side structure synoptic diagram of capacitance touching control graphic structure of the present utility model.
Fig. 9 is the structural representation of the contact panel of the capacitance touching control graphic structure of employing utility model.
Figure 10 is the structural representation of the touch control display apparatus of employing capacitance touching control graphic structure of the present utility model.
Description of reference numerals:
1 substrate, 10 touch-control graphic structures, 11 the first region pieces, 12 second electrode blocks
111 first leads, 121 second leads, 13 collets, 2 substrates
21 first direction conductive unit group 21a first direction conductive unit 21b first direction leads
22 second direction conductive unit group 22a second direction conductive unit 22b second direction leads
23 insulation course 23a through holes, 30 signal line-group 30a, first signal wire
30b secondary signal line 100 contact panels
60 touch control display apparatus 61 touch panel 62 display screens 63 tack coats 64 processors
The 3rd layer of 71 ground floors, 72 second layer 73
Embodiment
Below in conjunction with accompanying drawing, be described in more detail with other technical characterictic and advantage the utility model is above-mentioned by exemplary embodiment.
Shown in Fig. 4 A-4D, be the manufacturing process synoptic diagram of capacitance touching control graphic structure of the present utility model.The method for making of touch-control figure of the present utility model is described below in conjunction with Fig. 4 A-4D.It specifically makes process flow diagram as shown in Figure 5, and it specifically may further comprise the steps:
The first step, shown in step 501, at first in substrate 2 surface degree of spattering layer of conductive material, form at least one group along the evenly distributed first direction lead 21b of a first direction by gold-tinted processes such as etching, exposure, developments then, every group comprises a plurality of first direction of equidistantly arranging conductions 21b.When being provided with many groups, this first direction lead 21b is an arranged, shown in Fig. 4 A.In actual production technology, form first direction lead 21b and be rectangular-shaped usually, its length is 100 μ m-300 μ m, and wide is 5 μ m-100 μ m, and thickness is
Second step, shown in step 502, on pattern shown in Fig. 4 A, lay a last insulation course 23 more comprehensively, cover whole base plate.This insulation course 23 surperficial tool plurality of through holes 23a are shown in Fig. 4 B.Through hole 23a is corresponding with the position of the top at first direction lead 21b two ends respectively, forms just like the pattern shown in the 4C.In actual production technology, insulation course is surveyed penetrance need be greater than 85%, and through hole 23a is the inversed taper platform shape usually, and being about of its bottom surface is 20 μ m-50 μ m, the wide 20 μ m-50 μ m that are about, and thickness is approximately 1 μ m-3 μ m, and the angle of frustum is approximately 15 degree-85 degree.
The 3rd step, shown in step 503, degree of spattering layer of conductive material on insulation course 23, its thickness is approximately
Penetrance is approximately 80%-99%, and form at least one group along a first direction evenly distributed first direction conductive unit group 21 and at least one group of second direction conductive unit group 22 of evenly arranging along second direction by gold-tinted processes such as etching, exposure, developments, shown in Fig. 4 D.Every group of first direction conductive unit group 21 comprises along spaced apart two the first direction conductive unit 21a of first direction, and be electrically connected to each other by formed first direction lead 21b in the first step between per two adjacent first direction conductive unit 21a at least; Every group of second direction conductive unit group comprises along spaced apart two the second direction conductive unit 22a of second direction at least, and at least one group of second direction lead 22b; Second direction conductive unit 22a is arranged at the both sides of first direction lead 21b relevant position, and per two adjacent second direction conductive unit 22a are electrically connected to each other by second direction lead 22b; First direction conductive unit 22a and described second direction conductive unit 22b are insulated from each other, and first direction lead 21b and second direction lead 22b are orthogonal, and insulated from each other by described insulation course 23.
Through above-mentioned three steps, finally just formed as shown in Figure 6 one can be with the touch-control graphic structure 50 of the contact panel of touch control display apparatus.Touch-control graphic structure 50 comprises: a substrate 2 forms a plurality of and evenly is arranged in first direction lead 21b on the first direction on it; One insulation course 23 is covered in above-mentioned a plurality of first direction leads 21b, and insulation course 23 surperficial tool plurality of through holes 23a, and through hole 23a is corresponding with the top at first direction lead 21b two ends respectively; At least one group of first direction conductive unit group 21, every group comprises along spaced apart two the first direction conductive unit 21a of first direction at least, and is electrically connected to each other by first direction lead 21b between per two adjacent first direction conductive unit 21a; At least one group of second direction conductive unit group 22, every group comprises along spaced apart two the second direction conductive unit 22a of second direction at least, and at least one group of second direction lead 22b.Second direction conductive unit 22a is arranged at the both sides of first direction lead 21b relevant position, and per two adjacent second direction conductive unit 22a are electrically connected to each other by second direction lead 22b; First direction conductive unit 22a and described second direction conductive unit 22a are insulated from each other, and first direction lead 21b and second direction lead 22b are orthogonal, and insulated from each other by insulation course 23.
In this above-mentioned manufacturing process, substrate 2 can be made by the material of transparent insulation, as glass.The touch-control figure can also be made on substrate 2 by technological processes such as printings according to actual needs.Each first direction conductive unit group 21 and second direction conductive unit group 22 can as tin indium oxide ITO, indium zinc oxide or aluminum zinc oxide etc., be made by operations such as degree of spattering, exposure, development and etchings by transparent conductive material.First direction lead 21b can be made by transparent conductive material such as tin indium oxide ITO, indium zinc oxide or aluminum zinc oxide etc., also can be made by metal material, as silver, copper etc.Insulation course 23 can be made as epoxy resin, polyimide or methyl methacrylate etc. by transparent insulation material.
If when first direction lead 21b adopted metal to make, it can be single layer structure, promptly adopts the single-layer metal structure; Also can be sandwich construction.As shown in Figure 7, first direction lead 21b comprises ground floor 71, the second layer 72 and the 3rd layer 73, and wherein ground floor 71 and the 3rd layer 73 are made by the stronger metal of stability, as metal molybdenum; The second layer 72 can be made by the better conductivity metal, as metallic aluminium.First direction lead 21b adopts the unitized construction of this molybdenum aluminium molybdenum not only can guarantee its conduction but also have good stability.And metal molybdenum also has intensity preferably, can increase the crushing resistance of first direction lead 21b.In actual production and making, first direction lead 21b can also be structures such as four layers, five layers, all adopts better conductivity metal, its both sides all to adopt the stronger metal of stability to make in the middle of it.
First direction conductive unit group 21 and second direction conductive unit group 22 in the said structure can be equidistantly evenly to arrange along a certain direction respectively, also can be that non-equidistance is arranged.First direction conductive unit 21a and second direction conductive unit 22a can be equidistantly evenly distributed, also can be that non-equidistance is arranged.First direction conductive unit group 21 and second direction conductive unit group 22 can be mutual homeotropic alignments, also can be non-homeotropic alignments.Each first direction conductive unit 21a and second direction conductive unit 22a are polygon-shaped, can be that rhombus, hexagon, octagon, rectangle, square, triangle or other are polygon-shaped. Conductive unit 21a and 22a can be made by transparent conductive material, as tin indium oxide ITO, indium zinc oxide or aluminum zinc oxide etc.
As shown in Figure 8, be the side structure synoptic diagram of capacitance touching control graphic structure of the present utility model.Capacitance touching control graphic structure of the present utility model adopts comprehensive bedding insulation course 23, only be provided with through hole 23a in the corresponding position of insulation course 23, this through hole 23a size is much smaller than collets size commonly used, therefore compared to the traditional capacitance touching control graphic structure shown in 3, not only thickness is lower for it, and its surface structure visual being difficult for sees.
As shown in Figure 9, be the structural representation of the contact panel that adopts capacitance touching control graphic structure of the present utility model.This contact panel 100 comprises an above-mentioned reception touch action and produces the capacitance touching control graphic structure of a corresponding touching signals, one is arranged on the signal line-group 30 that substrate 2 peripheries are used for transmitting touching signals, and one receives and handle the controller 5 of touch-control graphic structure because of the touching signals that touch action produced.Signal line-group 30 comprises plurality of first signal lines 30a and a plurality of secondary signal lines 30b, the first direction conductive unit group 21 of capacitance touching control figure is connected to controller 5 by corresponding first signal wire respectively, and second direction conductive unit group 22 also is connected to controller 5 by a corresponding secondary signal line respectively.
The first signal wire 30a and secondary signal line 30b can be made by transparent conductive material such as tin indium oxide ITO, indium zinc oxide or aluminum zinc oxide etc., also can be made by metal material, as silver, copper etc.In actual production process, the first signal wire 30a and secondary signal line 30b form with the first lead 21b of touch control circuit pattern structure usually, also are insulated layer 23 and cover fully.Insulation course 23 also can be protected the first signal wire 30a and secondary signal line 30b effectively.
Above-mentioned contact panel can combine with display and constitute a touch control display apparatus.See also Figure 10, Fig. 9 is the structural representation of the touch control display apparatus of employing capacitance touching control graphic structure of the present utility model.Touch control display apparatus 60 comprises that a contact panel 61, one displays 62, are arranged at the tack coat 63 between contact panel 61 and the display 62, and a processor 64 that all is connected with contact panel 61 and display 62.Tack coat 63 is used for bonding contact panel 61 and display 62, contact panel 61 is used for responding to a touch action and produces a touch-control sensing signal and corresponding touch-control sensing signal is sent to processor 64, after processor 64 receives the touch-control sensing signal of contact panel 61 transmission, handle, produce corresponding demonstration indicator signal and also transmit the corresponding indicator signal that shows, thereby display 62 shows the pairing image information of corresponding touch action after receiving the demonstration indicator signal on display 62 to display 62.Aforementioned display device can be a LCD.
Capacitance type touch control circuit pattern of the present utility model, integral thickness is low, easily manufactured, and surface structure visual being difficult for sees, and can be used for various contact panels and touch control display apparatus.And the insulation course in the utility model contact panel is not only protected the first direction lead, can also the signal wire group who be arranged on substrate periphery be played a very good protection.
The above, it only is the utility model preferred embodiment, so can not limit scope of the present utility model with this, i.e. the equivalence of 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 (24)
1. a capacitance touching control graphic structure is characterized in that, comprising:
One substrate forms the first direction lead that plural number is arranged along a first direction on the described substrate;
One insulation course is covered in described plural first direction lead, and described surface of insulating layer tool plural number through hole, and described through hole is corresponding with described first direction lead two ends respectively;
Be arranged on a plurality of first direction conductive unit groups that evenly are arranged on the first direction on the insulation course, each first direction conductive unit group comprises plural first direction conductive unit, and described per two adjacent first direction conductive units are electrically connected to each other by described first direction lead; And
Be arranged on a plurality of second direction conductive unit groups that evenly are arranged on the second direction on the insulation course, each second direction conductive unit group comprises that a plurality of second direction conductive units are connected the second direction lead of two continuous second direction conductive units with a plurality of; And
Described first direction conductive unit and described second direction conductive unit are insulated from each other, and described first direction lead and second direction lead are orthogonal, and insulated from each other by described insulation course.
2. capacitance touching control graphic structure as claimed in claim 1 is characterized in that, described first direction conductive unit and described second direction conductive unit are made by transparent conductive material.
3. capacitance touching control graphic structure as claimed in claim 2 is characterized in that, described transparent conductive material is tin indium oxide, indium zinc oxide or aluminum zinc oxide.
4. capacitance touching control graphic structure as claimed in claim 1 is characterized in that, described first direction lead is made by transparent conductive material or metal material.
5. as claim 1 or 4 described capacitance touching control graphic structures, it is characterized in that described second direction lead is made by transparent conductive material.
6. capacitance touching control graphic structure as claimed in claim 1 is characterized in that, described first direction lead is a multilayer structure.
7. capacitance touching control graphic structure as claimed in claim 1 is characterized in that described insulation course is made by transparent insulation material.
8. capacitance touching control graphic structure as claimed in claim 7 is characterized in that, described transparent insulation material is epoxy resin, polyimide or methyl methacrylate.
9. capacitance touching control graphic structure as claimed in claim 1 is characterized in that, described first direction conductive unit and second direction conductive unit are polygon.
10. capacitance touching control graphic structure as claimed in claim 9 is characterized in that, described polygon-shaped be rhombus, hexagon, octagon, rectangle, square or triangle.
11. capacitance touching control graphic structure as claimed in claim 1 is characterized in that, described first direction lead is rectangle.
12. capacitance touching control graphic structure as claimed in claim 11 is characterized in that, its length of described first direction lead is 100 μ m-300 μ m.
13. as claim 11 or 12 described capacitance touching control graphic structures, it is characterized in that, described first direction lead its wide be 5 μ m-100 μ m.
14., it is characterized in that described first direction conductor thickness is as claim 11 or 12 described capacitance touching control graphic structures
15. capacitance touching control graphic structure as claimed in claim 11 is characterized in that, its length of described first direction lead is 100 μ m-300 μ m, and it is wide to be 5 μ m-100 μ m, and thickness is
16. capacitance touching control graphic structure as claimed in claim 1 is characterized in that, described through hole is the inversed taper platform shape.
17. capacitance touching control graphic structure as claimed in claim 16 is characterized in that, the length of described through hole bottom surface is 20 μ m-50 μ m.
18., it is characterized in that the wide of described through hole bottom surface is 20 μ m-50 μ m as claim 16 or 17 described capacitance touching control graphic structures.
19. capacitance touching control graphic structure as claimed in claim 1 is characterized in that, the thickness of described insulation course is 1 μ m-3 μ m.
20. capacitance touching control graphic structure as claimed in claim 1 is characterized in that, the thickness of described first direction conductive unit, second direction conductive unit and second direction lead is
21. a contact panel comprises
One as claimed in claim 1ly is used for sensing touch action and produce the capacitance touching control graphic structure of corresponding touching signals;
One is used for transmitting the signal line-group of above-mentioned touching signals; An and processor that is used for receiving and handling described touching signals;
Described signal line-group comprises plurality of first signal lines and a plurality of secondary signal lines, described each first direction conductive unit group is connected to controller by corresponding first signal wire, and described each second direction conductive unit group is connected to controller by a corresponding secondary signal line.
22. a touch control display apparatus comprises:
One as claimed in claim 21ly is used for sensing touch-control action and produce the contact panel of corresponding touch-control sensing signal; One is used for receiving the above-mentioned touch-control sensing signal of processing and producing corresponding Signal Processing device to be shown; And one be used for receiving described signal to be shown and show the display of corresponding pattern.
23. touch control display apparatus as claimed in claim 22 is characterized in that, described touch control display apparatus comprises that further one is arranged on the tack coat between described contact panel and the described display.
24. touch control display apparatus as claimed in claim 22 is characterized in that, described display is a LCD.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202562388U CN201716712U (en) | 2010-07-07 | 2010-07-07 | Capacitive-type touch graphic structure, touch panel and touch display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202562388U CN201716712U (en) | 2010-07-07 | 2010-07-07 | Capacitive-type touch graphic structure, touch panel and touch display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201716712U true CN201716712U (en) | 2011-01-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202562388U Expired - Lifetime CN201716712U (en) | 2010-07-07 | 2010-07-07 | Capacitive-type touch graphic structure, touch panel and touch display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201716712U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI462220B (en) * | 2011-10-23 | 2014-11-21 | Tpk Touch Solutions Xiamen Inc | Touch sensing device and fabrication method thereof |
| CN105359069A (en) * | 2013-07-03 | 2016-02-24 | 阿莫善斯有限公司 | Touch sensor for touch screen panel, manufacturing method thereof, and touch screen panel including same |
-
2010
- 2010-07-07 CN CN2010202562388U patent/CN201716712U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI462220B (en) * | 2011-10-23 | 2014-11-21 | Tpk Touch Solutions Xiamen Inc | Touch sensing device and fabrication method thereof |
| CN105359069A (en) * | 2013-07-03 | 2016-02-24 | 阿莫善斯有限公司 | Touch sensor for touch screen panel, manufacturing method thereof, and touch screen panel including same |
| CN105359069B (en) * | 2013-07-03 | 2019-12-10 | 阿莫善斯有限公司 | Touch sensor for touch screen panel, method of manufacturing the same, and touch screen panel including the same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Ray-Star Technology (Xiamen) Inc. Assignor: TPK Touch Solutions (Xiamen) Inc. Contract record no.: 2011350000025 Denomination of utility model: Capacitive-type touch graphic structure, touch panel and touch display device Granted publication date: 20110119 License type: Exclusive License Record date: 20110318 |
|
| CX01 | Expiry of patent term |
Granted publication date: 20110119 |
|
| CX01 | Expiry of patent term |