CN201673491U - Internal-surface capacitive touch screen - Google Patents
Internal-surface capacitive touch screen Download PDFInfo
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- CN201673491U CN201673491U CN2010201866140U CN201020186614U CN201673491U CN 201673491 U CN201673491 U CN 201673491U CN 2010201866140 U CN2010201866140 U CN 2010201866140U CN 201020186614 U CN201020186614 U CN 201020186614U CN 201673491 U CN201673491 U CN 201673491U
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- touch screen
- capacitive touch
- electrode surface
- inside surface
- conducting layer
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Abstract
The utility model provides an internal-surface capacitive touch screen, comprising a first glass substrate, a second glass substrate, a first transparent conducting layer and a second transparent conducting layer, wherein the first transparent conducting layer is arranged at the internal surface of the first glass substrate, and the second transparent conducting layer is arranged at the internal surface of the second glass substrate; the first transparent conducting layer is provided with a first electrode surface, and the second transparent conducting layer is provided with a second electrode surface; and the polarity of the first electrode surface is opposite with the polarity of the second electrode surface. The electrode conducting wires of the first electrode surface and the second electrode surface are led out along the same side of the internal-surface capacitive touch screen. The internal-surface capacitive touch screen has the advantages of low connecting cost, small occupied space, and the like.
Description
Technical field
The utility model relates to a kind of capacitive touch screen, relates in particular to a kind of inside surface capacitive touch screen.
Background technology
Touch-screen is as a kind of interface tool of electronic installation being operated by display screen, allow the user directly to touch or hand-written mode input information by point on the display device surface that is provided with touch-screen, more friendly than input equipments such as mouse, keyboards, convenient, therefore be used in more and more widely on the various portable sets, as mobile phone, PDA etc.For example, the user can one just display image and with display device that touch-screen combines on input information.
According to the type of use contactant and the difference of affirmation contact point mode, touch-screen mainly can be divided into resistance-type, condenser type, infrared-type and surface acoustic wave type etc.Along with the maturation of capacitive touch screen control IC technology and the decline of cost, and some distinctive advantages are arranged with respect to other several technology, good as durability, not fragile, can use for a long time, make capacitive touch screen application more and more widely.
Usually, exceptionally surface capacitance type touch screen and inside surface capacitive touch screen of capacitive touch screen.Wherein, the inside surface capacitive touch screen is made up of individual layer or double-deck ITO structure, because there is not the existence of air between layer and the layer, makes it have higher transmittance.And the inside surface capacitive touch screen weares and teares less when touch control operation, so its serviceable life is longer.
The two poles of the earth of a kind of inductance capacitance of inside surface capacitive touch screen of prior art are located at respectively on the upper and lower electrode surface, and described inductance capacitance comprises a plurality of cell capacitance, and the two poles of the earth of each cell capacitance connect the control port of controller correspondence respectively.
Yet, above-mentioned inside surface capacitive touch screen is owing to the two poles of the earth of cell capacitance need draw from the different sides of two electrode surfaces respectively, promptly need to use lead to be connected with two electrode surfaces respectively from different sides, link cost height not only, and arrange lead because of many places, make the overall aesthetics that influences this inside surface capacitive touch screen easily.
The utility model content
At the problem that the electrode of prior art inside surface capacitive touch screen inductance capacitance need be drawn from the different sides of this touch-screen, the inside surface capacitive touch screen that the utility model provides a kind of electrode of inductance capacitance to be drawn by the homonymy of this touch-screen.
A kind of inside surface capacitive touch screen comprises first glass substrate, second glass substrate, first transparency conducting layer and second transparency conducting layer, this first transparency conducting layer is formed at this first glass substrate inside surface, this second transparency conducting layer is formed at this second glass substrate inside surface, this first transparency conducting layer forms first electrode surface, this second transparency conducting layer forms second electrode surface, the polarity of this first electrode surface is opposite with the polarity of this second electrode surface, and the electrode cable of this first electrode surface and second electrode surface is drawn along the same side of this inside surface condenser type touch screen.
Preferably, this inside surface capacitive touch screen further comprises the articulamentum of being located at the one side, contiguous this electrode cable end of this articulamentum, and this articulamentum is communicated with this first electrode surface with this second electrode surface.
Preferably, this articulamentum is made and is formed at by conductive material between this first transparency conducting layer and this second transparency conducting layer.
Preferably, this inside surface capacitive touch screen further comprises FPC, and contiguous this articulamentum of this FPC is provided with and electrically connects with this articulamentum.
Preferably, this first electrode surface, second electrode surface comprise a plurality of electrodes series respectively, and the electrodes series of this first electrode surface and the mutual vertical setting of the electrodes series of this second electrode surface.
Preferably, this electrodes series comprises the transparent lead of a plurality of conducting films and connection conducting film.
Preferably, this conducting film assumes diamond in shape.
Preferably, the conducting film of the conducting film of this first electrode surface and this second electrode surface forms complementary kenel.
Preferably, the electrodes series of this first electrode surface is parallel to the minor face of this inside surface capacitive touch screen, and this second electrode surface electrodes series is parallel to the long limit of this inside surface capacitive touch screen.
Preferably, the transparent lead of the electrodes series of the transparent lead of the electrodes series of this first electrode surface and this second electrode surface is drawn along the minor face of this inside surface capacitive touch screen.
The transparent lead of this first electrode surface of inside surface capacitive touch screen of the present utility model and the transparent lead of this second electrode surface are drawn along this inside surface capacitive touch screen homonymy, and unifiedly after being connected with this articulamentum be communicated with this FPC, avoid taking up room because of drawing from many sides, and because contiguous this transparent lead setting of this articulamentum, line between this articulamentum and this first, second electrode surface reduces, the also corresponding reduction of link cost.
In sum, the utility model inside surface capacitive touch screen has the low and advantage such as occupy little space of link cost.
Description of drawings
Fig. 1 is the side structure synoptic diagram behind the utility model inside surface attaching capacitive touch screens.
Fig. 2 is the synoptic diagram of first electrode surface of inside surface capacitive touch screen shown in Figure 1.
Fig. 3 is the synoptic diagram of second electrode surface of inside surface capacitive touch screen shown in Figure 1.
Fig. 4 is the synoptic diagram after this first electrode surface and the combination of this second electrode surface.
Embodiment
Below in conjunction with accompanying drawing inside surface capacitive touch screen of the present utility model is described.
See also Fig. 1 to Fig. 4, wherein, Fig. 1 is the side structure synoptic diagram behind the utility model inside surface attaching capacitive touch screens, Fig. 2 is the synoptic diagram of first electrode surface of inside surface capacitive touch screen shown in Figure 1, Fig. 3 is the synoptic diagram of second electrode surface of inside surface capacitive touch screen shown in Figure 1, and Fig. 4 is the synoptic diagram after this first electrode surface and the combination of this second electrode surface.This inside surface capacitive touch screen 1 comprises first glass substrate 10, second glass substrate 20, first transparency conducting layer 30, second transparency conducting layer 40, frame 50, glue 60, articulamentum 70 and FPC (FPC) 80.
This first, second glass substrate 10,20, i.e. reinforced glass substrate (cover lens), as the physical protection layer, it mainly acts on is this first, second transparency conducting layer 30,40 of protection, with anti-riot, anti-scratch and waterproof.This second glass substrate 20 is oppositely arranged with this first glass substrate 10.
These first transparency conducting layer, 30 photoetching are formed on the surface of these first glass substrate, 10 contiguous these second glass substrate, 20 1 sides, and these second transparency conducting layer, 40 photoetching are formed on the surface of these second glass substrate, 10 contiguous these first glass substrate, 10 1 sides.Wherein, this first transparency conducting layer 30 is tin indium oxide (ITO) or indium zinc oxide (IZO) with the material of this second transparency conducting layer 40.
As shown in Figure 2, this first transparency conducting layer 30 forms first electrode surface 300, and this first electrode surface 300 comprises a plurality of electrodes series, and each electrodes series is formed by connecting by transparent lead 340 by a plurality of conducting films 320.This conducting film 320 assumes diamond in shape, and this transparent lead 340 is drawn along these first transparency conducting layer, 30 long limits, and its end finally concentrates on the minor face of this first transparency conducting layer 30.The line direction of this conducting film 320 is parallel to the minor face of this first transparency conducting layer 30.
As shown in Figure 3, this second transparency conducting layer 40 forms second electrode surface 400, and the polarity of this second electrode surface 400 is opposite with the plate of this first electrode surface 300.This second electrode surface 400 comprises a plurality of electrodes series, and each electrodes series is formed by connecting by transparent lead 440 by a plurality of conducting films 420.This conducting film 420 assumes diamond in shape, these transparent lead 440 line directions are parallel to the long limit of this second transparency conducting layer 40, the end of this transparent lead 440 concentrates on the minor face of this second transparency conducting layer 40, and these transparent lead 440 terminal ends with this transparent lead 340 are positioned at the homonymy of this inside surface capacitive touch screen 1.
As shown in Figure 4, the electrodes series that is divided into first, second electrode surface 300,400 is vertical mutually, is used for determining lateral coordinates and along slope coordinate respectively.This first electrode surface 300 and this second electrode surface 400 by this glue 60 bonding after, this transparent lead 340 intersects vertically with this transparent lead 440, the conducting film 320 of this first electrode surface 300 forms complementary kenel with the conducting film of this second electrode surface 400 420, constitutes the matrix electrodes network.These transparent lead 340,440 end leads concentrate on this first transparency conducting layer 30 and these second transparency conducting layer, 40 homonymies, and promptly same minor face avoids this transparent lead 340,440 to draw from different sides, saves the space.
This frame 50 is formed between this first transparency conducting layer 30 and second transparency conducting layer 40, to stop leaking of this glue 60.
This articulamentum 70 is located at a side of this inside surface capacitive touch screen 1, and the end of contiguous this transparent lead 340,440.This articulamentum 70 is formed between this first transparency conducting layer 30 and this second transparency conducting layer 40, and is sticked at this frame 50 edges.This articulamentum 70 is made by conductive material, and respectively with the terminal conducting of this transparent lead 340,440, electrically connect with this FPC 80 simultaneously, so that the electrode of this first electrode surface 300 is connected with the electrode of this second electrode surface 400 by this articulamentum 70, finally be connected to controller (figure does not show) by these FPC 80 unified drawing again.
This FPC 80 is arranged between this first glass substrate 10 and this second glass substrate 20, and is sticked at the edge of this second transparency conducting layer 40.The control port that this FPC 80 is corresponding with this controller connects.
In this inside surface capacitive touch screen 1 of the present utility model, the transparent lead 340 of this first electrode surface 300 is drawn along the homonymy of this inside surface capacitive touch screen 1 with the transparent lead 440 of this second electrode surface 400, and with after this articulamentum 70 is connected, unification is communicated with this FPC 80, avoid taking more space because of drawing from many sides, and because these articulamentum 70 contiguous these transparent leads 340,440, line between this articulamentum 70 and this first, second electrode surface 300,400 reduces, the also corresponding reduction of link cost.
In sum, this inside surface capacitive touch screen 1 of the utility model has the low and advantage such as occupy little space of link cost.
Only be preferred case study on implementation of the present utility model below, be not limited to the utility model, for a person skilled in the art, the utility model can have various more being somebody's turn to do and variation.All within spirit of the present utility model and principle, done anyly repair this, be equal to replacement, this advances etc., all should be included within the protection domain of the present utility model.
Claims (10)
1. inside surface capacitive touch screen, comprise first glass substrate, second glass substrate, first transparency conducting layer and second transparency conducting layer, this first transparency conducting layer is formed at this first glass substrate inside surface, this second transparency conducting layer is formed at this second glass substrate inside surface, this first transparency conducting layer forms first electrode surface, this second transparency conducting layer forms second electrode surface, the polarity of this first electrode surface is opposite with the polarity of this second electrode surface, it is characterized in that: the electrode cable of this first electrode surface and second electrode surface is drawn along the same side of this inside surface capacitive touch screen.
2. inside surface capacitive touch screen according to claim 1, it is characterized in that: this inside surface capacitive touch screen further comprises the articulamentum of being located at the one side, contiguous this electrode cable end of this articulamentum, this articulamentum is communicated with this first electrode surface with this second electrode surface.
3. inside surface capacitive touch screen according to claim 2 is characterized in that: this articulamentum is made and is formed at by conductive material between this first transparency conducting layer and this second transparency conducting layer.
4. inside surface capacitive touch screen according to claim 3 is characterized in that: this inside surface capacitive touch screen further comprises FPC, and contiguous this articulamentum of this FPC is provided with and electrically connects with this articulamentum.
5. inside surface capacitive touch screen according to claim 1 is characterized in that: this first electrode surface, second electrode surface comprise a plurality of electrodes series respectively, and the electrodes series of this first electrode surface and the mutual vertical setting of the electrodes series of this second electrode surface.
6. inside surface capacitive touch screen according to claim 5 is characterized in that: this electrodes series comprises the transparent lead of a plurality of conducting films and junctional membrane.
7. inside surface capacitive touch screen according to claim 6 is characterized in that: this conducting film assumes diamond in shape.
8. inside surface capacitive touch screen according to claim 6 is characterized in that: the conducting film of the conducting film of this first electrode surface and this second electrode surface forms complementary kenel.
9. inside surface capacitive touch screen according to claim 6 is characterized in that: the electrodes series of this first electrode surface is parallel to the minor face of this inside surface capacitive touch screen, and this second electrode surface electrodes series is parallel to the long limit of this inside surface capacitive touch screen.
10. inside surface capacitive touch screen according to claim 9 is characterized in that: the transparent lead of the transparent lead of the electrodes series of this first electrode surface and the electrodes series of this second electrode surface is drawn along the minor face of this inside surface capacitive touch screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201866140U CN201673491U (en) | 2010-05-06 | 2010-05-06 | Internal-surface capacitive touch screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201866140U CN201673491U (en) | 2010-05-06 | 2010-05-06 | Internal-surface capacitive touch screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201673491U true CN201673491U (en) | 2010-12-15 |
Family
ID=43330900
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201866140U Expired - Lifetime CN201673491U (en) | 2010-05-06 | 2010-05-06 | Internal-surface capacitive touch screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201673491U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102622143A (en) * | 2011-01-28 | 2012-08-01 | 明兴光电股份有限公司 | Touch panel |
| CN103383615A (en) * | 2013-07-12 | 2013-11-06 | 北京小米科技有限责任公司 | Touch panel and mobile terminal |
-
2010
- 2010-05-06 CN CN2010201866140U patent/CN201673491U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102622143A (en) * | 2011-01-28 | 2012-08-01 | 明兴光电股份有限公司 | Touch panel |
| CN103383615A (en) * | 2013-07-12 | 2013-11-06 | 北京小米科技有限责任公司 | Touch panel and mobile terminal |
| WO2015003498A1 (en) * | 2013-07-12 | 2015-01-15 | 小米科技有限责任公司 | Touch screen and mobile terminal |
| CN103383615B (en) * | 2013-07-12 | 2016-12-28 | 小米科技有限责任公司 | Touch screen and mobile terminal |
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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 | ||
| CX01 | Expiry of patent term |
Granted publication date: 20101215 |