CN105630259A - Capacitive touch screen - Google Patents
Capacitive touch screen Download PDFInfo
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- CN105630259A CN105630259A CN201410719426.2A CN201410719426A CN105630259A CN 105630259 A CN105630259 A CN 105630259A CN 201410719426 A CN201410719426 A CN 201410719426A CN 105630259 A CN105630259 A CN 105630259A
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Abstract
The invention discloses a capacitive touch screen and belongs to the technical field of touch control. The capacitive touch screen comprises a substrate, wherein the substrate is provided with an induction region and a non-induction region located at the periphery of the induction region; electrodes in an upper induction region, electrodes in a middle induction region and electrodes in a lower induction region are led out of an upper lead region, a side lead region and a lower lead region respectively; and leads are reasonably arranged in the induction region, so that the phenomenon of insensitive touch caused by unreasonable wiring in the prior art is effectively eliminated and the use performance of the capacitive touch screen is improved. In addition, the capacitive touch screen adopts a single-layer multi-point touch structure; a fabrication process is simple; a touch pattern can be formed by etching once; and the production cost is effectively reduced.
Description
Technical field
Technical field of touch control of the present invention, is specifically related to a kind of monolayer multiple spot capacitance type touch control screen.
Background technology
Touch screen (English full name is TouchPanel), also known as touch screen, contact panel, it is a kind of formation on image display device display surface, the conductor such as human body or capacitance pen is utilized to carry out the device of instruction input, the input equipment such as the external input device such as mouse, keyboard and mechanical type input key can be replaced, can effectively simplify the electronic product structure such as computer, mobile phone, there is boundless application prospect.
Touch screen is divided into resistance-type to cover (resistiveoverlay) touch screen, photosensitive type touch screen, capacitance type touch control screen etc. Wherein, (English full name is CapacityTouchPanel to capacitance type touch control screen, referred to as CTP) it is that screen is controlled by the electric current sensing utilizing human body, capacitance variations according to detecting touch area, and then calculating touch position, have highly sensitive, easily realize the advantages such as multipoint-touch-technology, be increasingly becoming in the electronic product such as smart mobile phone, panel computer the main flow touch screen of application.
Traditional capacitance type touch control screen is generally multilayer conductive material structure, and as illustrated in fig. 1 and 2, Chinese patent literature CN102163095A discloses a kind of capacitance type touch control screen, including the first sensing figure 12a and the second sensing figure 12b formed on a transparent substrate. First sensing Figure 12 a shape connects setting in the first direction each other by the first connecting pattern 12a1, second sensing figure 12b connects setting in a second direction each other by the second connecting pattern 12b1, and the row that the row that the first sensing figure 12a is formed by connecting are formed by connecting with the second sensing figure 12b forms insulation and structure intersected with each other. First sensing figure 12a and the second sensing figure 12b causes one end of substrate 10 as terminal 20 respectively through perimeter leads 15.
In order to prevent the first connecting pattern and the short circuit of the second connecting pattern, also needing to form insulating barrier between the first connecting pattern and the second sensing figure, structure is complicated, and requires high to craft precision, thus causing that production cost is very high.
In order to reduce production cost, research worker works out again a kind of single conductive layer capacitance type touch control screen, as it is shown on figure 3, induction region 110 on the substrate 100 forms some row drive electrodes 140, between adjacent two row drive electrodes 140, it is additionally provided with reception electrode 130. Each drive electrode 140 and each reception electrode 130 cause terminal area 120 by perimeter leads. Said method only just can realize the wiring of whole touch screen by single layer of conductive material, greatly reduces production cost. But, in Fig. 3 shown in the A of region, this area routing is intensive, it is easy to cause touch-control insensitive so that the method is always as low performance touch screen solution, it is impossible to use on a large scale. It is additionally, since wiring congestion, can cause that non-inductive region (touch-control blind area) is excessive, have a strong impact on the performance of touch screen.
Summary of the invention
For this, to be solved by this invention is that existing single-layer capacitive touch screen cabling is intensive, thus being easily caused the problem that touch-control is insensitive and non-inductive region is excessive; There is provided a kind of and connect up uniform, highly sensitive single-layer capacitive touch screen.
For solving above-mentioned technical problem, the technical solution used in the present invention is as follows:
A kind of capacitance type touch control screen of the present invention, including substrate, described substrate is provided with induction region, is positioned at the non-inductive region of described induction region surrounding;
Described induction region includes top induction region, bottom induction region and the middle part induction region between top induction region and bottom induction region;
Described non-inductive region includes the bottom lead district of the upper lead wire district near top induction region, close bottom induction region, and is positioned at the sidepiece lead district of described induction region both sides;
Described non-inductive region also includes the terminal area being arranged on upper lead wire district away from described induction region one end; From upper lead wire district, the wire drawn of bottom lead district and sidepiece lead district be connected to terminal area;
Described top induction region is provided with the some tops drive electrode being arranged in array, and is arranged on the upper reception electrode between adjacent two row top drive electrodes, and all tops drive electrode and all upper reception electrodes cause upper lead wire district each through lead-in wire;
Described bottom induction region is provided with the some bottoms drive electrode being arranged in array, and is arranged on the lower reception electrode between adjacent two row bottom drive electrodes, and all bottoms drive electrode and all lower reception electrodes cause bottom lead district each through lead-in wire;
Described middle part induction region is provided with the some middle parts drive electrode being arranged in array, and all middle parts drive electrode causes sidepiece lead district by lead-in wire.
Each described top drive electrode and each described upper reception electrode are isolated from each other; Described upper reception electrode is strip, and its length direction extends to described middle part induction region away from the one end in described upper lead wire district.
Each described bottom drive electrode and each described lower reception electrode are isolated from each other; Described lower reception electrode is strip, and its length direction extends to described middle part induction region away from one end of described bottom lead district.
The array structure of described top drive electrode is identical with described bottom drive electrode.
Described upper reception electrode is arranged in described middle part induction region lateral symmetry with described lower reception electrode.
Whole described middle parts drive electrode causes left side lead district by lead-in wire, or causes right side lead district.
Described middle part drive electrode causes left side lead district and right side lead district respectively through lead-in wire.
The pattern of each described top drive electrode, each described bottom drive electrode and each described middle part drive electrode is identical.
Each described middle part drive electrode and described upper reception electrode, each described lower reception electrode are isolated from each other.
The each lead-in wire being arranged in described induction region is isolated from each other with each non-extraction described top drive electrode, each non-extraction described bottom drive electrode, each non-extraction described middle part drive electrode, the described upper reception electrode of each non-extraction, the described lower reception electrode of each non-extraction.
The technique scheme of the present invention has the advantage that compared to existing technology
1, capacitance type touch control screen of the present invention, including substrate, described substrate is provided with induction region, is positioned at the non-inductive region of described induction region surrounding; Described induction region includes top induction region, bottom induction region and the middle part induction region between top induction region and bottom induction region; Described non-inductive region includes the bottom lead district of the upper lead wire district near top induction region, close bottom induction region, and is positioned at the sidepiece lead district of described induction region both sides; Described non-inductive region also includes the terminal area being arranged on upper lead wire district away from described induction region one end; From upper lead wire district, the wire drawn of bottom lead district and sidepiece lead district be connected to terminal area; Described top induction region is provided with the some tops drive electrode being arranged in array, and is arranged on the upper reception electrode between adjacent two row top drive electrodes, and all tops drive electrode and all upper reception electrodes cause upper lead wire district each through lead-in wire; Described bottom induction region is provided with the some bottoms drive electrode being arranged in array, and is arranged on the lower reception electrode between adjacent two row bottom drive electrodes, and all bottoms drive electrode and all lower reception electrodes cause bottom lead district each through lead-in wire; Described middle part induction region is provided with the some middle parts drive electrode being arranged in array, and all middle parts drive electrode causes sidepiece lead district by lead-in wire. Each electrode of induction zone, top, each electrode of induction zone, middle part, induction zone, bottom each electrode respectively from upper lead wire district, sidepiece lead district, bottom lead district draw, lead-in wire rational deployment in induction region, efficiently solve in prior art owing to connecting up the insensitive phenomenon of touch-control that is unreasonable and that cause, improve the serviceability of described capacitance type touch control screen.
2, capacitance type touch control screen of the present invention, adopts the structure of monolayer multi-point touch, and preparation technology is simple, and once etching just can prepare touch pattern, effectively reduces production cost.
Accompanying drawing explanation
In order to make present disclosure be more likely to be clearly understood, below according to specific embodiments of the invention and in conjunction with accompanying drawing, the present invention is further detailed explanation, wherein
Fig. 1 is the top view of touch screen in prior art;
Fig. 2 is the first sensing figure and the second sensing graph position relation and annexation schematic diagram in Fig. 1;
Fig. 3 is the structural representation of single-layer capacitive touch screen in prior art;
Fig. 4 is the structural representation of a kind of capacitance type touch control screen of the present invention;
Fig. 5 is the partial enlarged drawing of region B in Fig. 4.
In figure, accompanying drawing labelling is expressed as: 10-substrate, 12-the first conductive layer, 12a-first senses figure, 12b-second senses figure, 12a1-the first connecting pattern, 12b1-the second connecting pattern, 13-insulating barrier, 14-the second conductive layer; In the middle part of 100-substrate, 110-induction region, 111-top induction region, 112-bottom induction region, 113-, induction region, 120-terminal area, 121-upper lead wire district, 122-bottom lead district, 123-left side lead district, 124-right side lead district, 130-receive to receive on electrode, 131-and receive drive electrode in the middle part of electrode, 140-drive electrode, 141-top drive electrode, 142-bottom drive electrode, 143-under electrode, 132-.
Detailed description of the invention
In order to make the object, technical solutions and advantages of the present invention clearly, below in conjunction with accompanying drawing, embodiments of the present invention are described in further detail.
The present invention can be embodied in many different forms, and should not be construed as limited to embodiment set forth herein. On the contrary, it is provided that these embodiments so that the disclosure will be thorough and complete, and the design of the present invention being fully conveyed to those skilled in the art, the present invention will only be defined by the appended claims. In the accompanying drawings, for clarity, the size in layer and region and relative size can be exaggerated.
The present embodiment provides a kind of capacitance type touch control screen, as shown in Figure 4, including substrate 100, described substrate 100 is provided with induction region 110, is positioned at the non-inductive region of described induction region 110 surrounding (including terminal area 120, upper lead wire district 121, bottom lead district 122, left side lead district 123, right side lead district 124).
Described induction region 110 includes top induction region 111, bottom induction region 112 and the middle part induction region 113 between top induction region 111 and bottom induction region 112.
Described non-inductive region includes the bottom lead district 122 of the upper lead wire district 121 near top induction region, close bottom induction region 112, and is positioned at the sidepiece lead district (left side lead district 123, right side lead district 124) of described induction region 110 both sides.
Described non-inductive region also includes the terminal area 120 being arranged on upper lead wire district 121 away from described induction region 110 one end; From upper lead wire district 121, the wire drawn of bottom lead district 122 and left side lead district 123 be connected to terminal area 120.
Described top induction region 111 is provided with the some tops drive electrode 141 being arranged in array, and it being arranged on the upper reception electrode 131 between adjacent two row top drive electrodes 141, all tops drive electrode 141 and all upper reception electrodes 131 cause upper lead wire district 121 each through lead-in wire.
Described bottom induction region 112 is provided with the some bottoms drive electrode 142 being arranged in array, and it being arranged on the lower reception electrode 132 between adjacent two row bottom drive electrodes 142, all bottoms drive electrode 142 and all lower reception electrodes 132 cause bottom lead district 122 each through lead-in wire.
Described middle part induction region 113 is provided with the some middle parts drive electrode 143 being arranged in array, and all middle parts drive electrode 143 causes sidepiece lead district 123,124 by lead-in wire.
Each electrode of induction zone, top 111, each electrode of induction zone, middle part 113, induction zone, bottom 112 each electrode respectively from upper lead wire district 121, sidepiece lead district 123,124, bottom lead district 122 is drawn, lead-in wire rational deployment in induction region 110, all there is not the phenomenon of wiring congestion in C region in Fig. 4 and the D region in Fig. 5, efficiently solve in prior art owing to connecting up the insensitive phenomenon of touch-control that is unreasonable and that cause, improve the serviceability of described capacitance type touch control screen.
Each described top drive electrode 141 and each described upper reception electrode 131 are isolated from each other; Described upper reception electrode 131 is strip, and its length direction extends to described middle part induction region 113 away from the one end in described upper lead wire district 121.
Each described bottom drive electrode 142 and each described lower reception electrode 132 are isolated from each other; Described lower reception electrode 132 is strip, and its length direction extends to described middle part induction region 113 away from one end of described bottom lead district 122.
In the present embodiment, the columns of described top drive electrode 141 is identical with the columns of described bottom drive electrode 142, and corresponding each row are on same straight line. As the convertible embodiment of the present invention, the array structure of described top drive electrode 141 can also be different from described bottom drive electrode 142, it is also possible to realize the purpose of the present invention, belong to protection scope of the present invention.
In the present embodiment, described upper reception electrode 131 is arranged in described middle part induction region 113 lateral symmetry with described lower reception electrode 132, namely described upper reception electrode 131 is identical with described lower reception electrode 132 quantity, and the corresponding electrode that receives is on same straight line up and down. As other embodiments of the present invention, described upper reception electrode 131 with described lower reception electrode 132 it can also be provided that unsymmetric structure, it is also possible to realize the purpose of the present invention, belong to protection scope of the present invention.
Whole described middle parts drive electrode 113 causes left side lead district 123 by lead-in wire, or causes right side lead district 124. In the present embodiment, described middle part drive electrode 113 causes left side lead district 123 and right side lead district 124 respectively through lead-in wire, has disperseed the position of lead-in wire further, has improve the serviceability of described capacitance type touch control screen.
In the present embodiment, the pattern of each described top drive electrode 141, each described bottom drive electrode 142 and each described middle part drive electrode 143 is identical, is square; As other embodiments of the present invention, the pattern of each described top drive electrode 141, each described bottom drive electrode 142 and each described middle part drive electrode 143 can also be different, it is also possible to realize the purpose of the present invention, belong to protection scope of the present invention.
Each described middle part drive electrode 143 and described upper reception electrode 131, each described lower reception electrode 132 are isolated from each other.
The each lead-in wire being arranged in described induction region 110 is isolated from each other with each non-extraction described top drive electrode 141, each non-extraction described bottom drive electrode 142, each non-extraction described middle part drive electrode 143, the described upper reception electrode 131 of each non-extraction, the described lower reception electrode 132 of each non-extraction.
Described capacitance type touch control screen, adopts the structure of monolayer multi-point touch, and preparation technology is simple, and once etching just can prepare touch pattern, and not only yield rate is high, also effectively reduces production cost.
Obviously, above-described embodiment is only for clearly demonstrating example, and is not the restriction to embodiment. For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description. Here without also cannot all of embodiment be given exhaustive. And the apparent change thus extended out or variation are still among protection scope of the present invention.
Claims (10)
1. a capacitance type touch control screen, including substrate (100), described substrate (100) is provided with induction region (110), is positioned at the non-inductive region of described induction region (110) surrounding; It is characterized in that:
Described induction region (110) includes top induction region (111), bottom induction region (112) and the middle part induction region (113) being positioned between top induction region (111) and bottom induction region (112);
Described non-inductive region includes the upper lead wire district (121) near top induction region, the bottom lead district (122) near bottom induction region (112), and it is positioned at the sidepiece lead district (123,124) of described induction region (110) both sides;
Described non-inductive region also includes the terminal area (120) being arranged on upper lead wire district (121) away from described induction region (110) one end; The wire drawn from upper lead wire district (121), bottom lead district (122) and sidepiece lead district (123) is connected to terminal area (120);
Described top induction region (111) is provided with some tops drive electrode (141) being arranged in array, and it being arranged on the upper reception electrode (131) between adjacent two row top drive electrode (141), all tops drive electrode (141) and all upper reception electrodes (131) cause upper lead wire district (121) each through lead-in wire;
Described bottom induction region (112) is provided with some bottoms drive electrode (142) being arranged in array, and it being arranged on the lower reception electrode (132) between adjacent two row bottom drive electrode (142), all bottoms drive electrode (142) and all lower reception electrodes (132) cause bottom lead district (122) each through lead-in wire;
Described middle part induction region (113) is provided with some middle parts drive electrode (143) being arranged in array, and all middle parts drive electrode (143) cause sidepiece lead district (123,124) by lead-in wire.
2. capacitance type touch control screen according to claim 1, it is characterised in that each described top drive electrode (141) and each described upper reception electrode (131) are isolated from each other; Described upper reception electrode (131) is strip, and its length direction extends to described middle part induction region (113) away from one end of described upper lead wire district (121).
3. capacitance type touch control screen according to claim 1, it is characterised in that each described bottom drive electrode (142) and each described lower reception electrode (132) are isolated from each other; Described lower reception electrode (132) is strip, and its length direction extends to described middle part induction region (113) away from one end of described bottom lead district (122).
4. capacitance type touch control screen according to claim 1, it is characterised in that the array structure on described top drive electrode (141) is identical with described bottom drive electrode (142).
5. capacitance type touch control screen according to claim 1, it is characterised in that described upper reception electrode (131) is arranged in described middle part induction region (113) lateral symmetry with described lower reception electrode (132).
6. capacitance type touch control screen according to claim 1, it is characterised in that whole described middle parts drive electrode (113) cause left side lead district (123) by lead-in wire, or cause right side lead district (124).
7. capacitance type touch control screen according to claim 1, it is characterised in that described middle part drive electrode (113) causes left side lead district (123) and right side lead district (124) respectively through lead-in wire.
8. according to the arbitrary described capacitance type touch control screen of claim 1-7, it is characterized in that, the pattern of each described top drive electrode (141), each described bottom drive electrode (142) and each described middle part drive electrode (143) is identical.
9. capacitance type touch control screen according to claim 8, it is characterised in that each described middle part drive electrode (143) and described upper reception electrode (131), each described lower reception electrode (132) are isolated from each other.
10. the preparation method of touch screen according to claim 9, it is characterized in that, each lead-in wire being arranged in described induction region (110) is isolated from each other with each non-extraction described top drive electrode (141), each non-extraction described bottom drive electrode (142), each non-extraction described middle part drive electrode (143), the described upper reception electrode (131) of each non-extraction, the described lower reception electrode (132) of each non-extraction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410719426.2A CN105630259A (en) | 2014-12-01 | 2014-12-01 | Capacitive touch screen |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410719426.2A CN105630259A (en) | 2014-12-01 | 2014-12-01 | Capacitive touch screen |
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| CN105630259A true CN105630259A (en) | 2016-06-01 |
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| CN201410719426.2A Pending CN105630259A (en) | 2014-12-01 | 2014-12-01 | Capacitive touch screen |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019100349A1 (en) * | 2017-11-24 | 2019-05-31 | 深圳市柔宇科技有限公司 | Touch screen and terminal |
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| CN103294250A (en) * | 2012-02-29 | 2013-09-11 | Hnt电子有限株式会社 | Signal pattern structure of single multi-touch sensor |
| CN203799361U (en) * | 2014-04-24 | 2014-08-27 | 敦泰科技有限公司 | Single-layer touch screen, touch screen device and electronic device |
| CN104049820A (en) * | 2014-04-24 | 2014-09-17 | 敦泰科技有限公司 | Single-layer touch screen, touch screen equipment and electronic device |
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| CN103294250A (en) * | 2012-02-29 | 2013-09-11 | Hnt电子有限株式会社 | Signal pattern structure of single multi-touch sensor |
| CN103246420A (en) * | 2013-05-13 | 2013-08-14 | 苏州欧菲光科技有限公司 | Monolayer multipoint capacitive touch screen |
| CN103257776A (en) * | 2013-05-13 | 2013-08-21 | 苏州欧菲光科技有限公司 | Single-layer multi-point capacitive touch screen |
| CN103257778A (en) * | 2013-05-15 | 2013-08-21 | 南昌欧菲光显示技术有限公司 | Single-layer multi-point capacitive touch screen |
| CN203799361U (en) * | 2014-04-24 | 2014-08-27 | 敦泰科技有限公司 | Single-layer touch screen, touch screen device and electronic device |
| CN104049820A (en) * | 2014-04-24 | 2014-09-17 | 敦泰科技有限公司 | Single-layer touch screen, touch screen equipment and electronic device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2019100349A1 (en) * | 2017-11-24 | 2019-05-31 | 深圳市柔宇科技有限公司 | Touch screen and terminal |
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Application publication date: 20160601 |