CN103268174A - Capacitance-type touch module and capacitance-type touch screen - Google Patents
Capacitance-type touch module and capacitance-type touch screen Download PDFInfo
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- CN103268174A CN103268174A CN2012103508670A CN201210350867A CN103268174A CN 103268174 A CN103268174 A CN 103268174A CN 2012103508670 A CN2012103508670 A CN 2012103508670A CN 201210350867 A CN201210350867 A CN 201210350867A CN 103268174 A CN103268174 A CN 103268174A
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Abstract
The invention discloses a capacitance-type touch module and a capacitance-type touch screen. According to the technical scheme of the embodiment of the invention, a touch induction electrode and a touch drive electrode are respectively electrically connected with a plurality of metal bars in the same wiring direction of the touch induction electrode and the touch drive electrode, the metal bars which are electrically connected with the touch induction electrode are insulated from the metal bars which are electrically connected with the touch drive electrode, after the touch induction electrode and the touch drive electrode are powered, the metal bars are in parallel connection with the touch induction electrode or the touch drive electrode, so that the specific resistance of an indium tin oxide (ITO) layer can be reduced after the metal bars are electrically connected with the touch induction electrode and the touch drive electrode.
Description
Technical field
The present invention relates to the touch screen field, particularly, relate to a kind of capacitance touching control module and capacitance type touch control screen.
Background technology
At present, as shown in Figure 1, comprise substrate 11 and tin indium oxide (ITO, Indium Tin Oxides) layer 12 in the structure of capacitance type touch control screen, the ITO layer also can be called as touch control layer.The ITO layer is made up of a plurality of ITO patterns, the ITO pattern comprise again a plurality of wiring directions perpendicular touch-control drive electrode 121 and touch-control sensing electrode 122, be communicated with by metal bridge (METAL JUMPER) 13 bridge joints between the touch-control drive electrode 121, be connected between the touch-control sensing electrode 122, pass through insulation course (PI) 14 mutually insulateds between touch-control drive electrode 121 and the touch-control sensing electrode 122.
The ITO layer is because ITO material self characteristics causes the ITO layer resistivity higher, and higher resistivity can reduce touch-control sensitivity, increase the power consumption of touch screen.Reduce the method for ITO layer resistivity at present and be the thickness of thickening ITO coating, but the thickening of ITO coating can cause the ITO layer the optics penetrance reduction and produce heterochromatic, and the optics penetrance of ITO layer will influence user's experience after descending, the brightness that will correspondingly improve LCD like this remedies the problem that ITO layer optics penetrance descends, but, will increase significantly after the brightness of LCD improves touch screen Overall Power Consumption, reduce complete machine service time.
As seen, prior art lacks the scheme that reduces ITO layer resistivity in the capacitance type touch control screen effectively.
Summary of the invention
In view of this, the embodiment of the invention provides a kind of capacitance touching control module and capacitance type touch control screen, in order to solve the problem that prior art can not reduce the resistivity of ITO layer in the capacitance type touch control screen effectively.
Embodiment of the invention technical scheme is as follows:
A kind of capacitance touching control module, comprise and intersect and put and touch-control sensing electrode and the touch-control drive electrode of mutually insulated, also comprise: with a plurality of first bonding jumpers that the touch-control sensing electrode is electrically connected and wiring direction is identical, a plurality of second bonding jumpers with the touch-control drive electrode is electrically connected and wiring direction is identical insulate between described first bonding jumper and described second bonding jumper.
A kind of capacitance type touch control screen comprises aforesaid capacitance touching control module.
Technical scheme according to the embodiment of the invention, be electrically connected a plurality of bonding jumpers identical with separately wiring direction respectively on the touch-control sensing electrode with on the touch-control drive electrode, and the bonding jumper that is electrically connected with the touch-control sensing electrode and with bonding jumper that the touch-control drive electrode is electrically connected between insulate, after touch-control sensing electrode and touch-control drive electrode acquisition power supply, bonding jumper forms relation in parallel with touch-control sensing electrode or touch-control drive electrode, the resistance of two in parallel conductors is less than the resistance of any one conductor in two conductors, thus bonding jumper and the resistivity that can reduce the ITO layer after touch-control sensing electrode and touch-control drive electrode are electrically connected.
Description of drawings
Fig. 1 is the structural representation of touch module in the capacitance type touch control screen in the prior art;
The structural representation of the capacitance touching control module that Fig. 2 provides for the embodiment of the invention;
Fig. 3 is the preferred structure synoptic diagram of capacitance touching control module shown in Figure 2;
Fig. 4 is the preferred structure synoptic diagram of capacitance touching control module shown in Figure 2;
Fig. 5 is the preferred structure synoptic diagram of capacitance touching control module shown in Figure 2.
Embodiment
Below in conjunction with accompanying drawing embodiments of the invention are described, should be appreciated that embodiment described herein only is used for description and interpretation the present invention, and be not used in restriction the present invention.
Fig. 2 shows the structural representation of the capacitance touching control module that the embodiment of the invention provides, as shown in Figure 2, the touch control layer 20 of this capacitance touching control module comprises intersects and puts and touch-control sensing electrode 21 and the touch-control drive electrode 22 of mutually insulated, also comprise: with a plurality of first bonding jumpers 23 that touch-control sensing electrode 21 is electrically connected and wiring direction is identical, insulation between a plurality of second bonding jumper, 24, the first bonding jumpers 23 identical with 22 electrical connections of touch-control drive electrode and wiring direction and second bonding jumper 24.Particularly, when the wiring direction of touch-control sensing electrode 21 when being parallel with Y-axis, the wiring direction of first bonding jumper 23 is also parallel with Y-axis and be electrically connected with touch-control sensing electrode 21, when the wiring direction of touch-control drive electrode 22 when being parallel with X-axis, the wiring direction of second bonding jumper 24 is also parallel with X-axis and be electrically connected with touch-control drive electrode 22, preferably, the material of touch-control sensing electrode 21 and touch-control drive electrode 22 is ITO or IZO.
By capacitance touching control module as shown in Figure 2, first bonding jumper forms relation in parallel with the touch-control sensing electrode, second bonding jumper forms relation in parallel with the touch-control drive electrode, the resistance of two in parallel conductors is less than the resistance of any one conductor in two conductors, thus bonding jumper and the resistivity that can reduce the ITO layer after touch-control sensing electrode and touch-control drive electrode are electrically connected.
Preferably, as shown in Figure 3, carry out bridge joint by metal bridge 25 between two any adjacent touch-control drive electrodes 22, then first bonding jumper 23 and/or second bonding jumper 24 arrange with layer with metal bridge 25, further, in a plurality of second bonding jumpers 24 that are electrically connected with same touch-control drive electrode 22, one of them first bonding jumper 23 is connected with two metal bridge 25 of bridge joint touch-control drive electrode 22, can form first bonding jumper 23 and second bonding jumper 24 when forming metal bridge 25 by exposure and etching technique like this.
Preferably, as shown in Figure 3, equate with distance between any adjacent two first bonding jumpers 23 that same touch-control sensing electrode 21 is electrically connected, equate with distance between any adjacent two second bonding jumpers 24 of same touch-control drive electrode 22 electrical connections.Further, the distance between any adjacent two second bonding jumpers 24 that the distance between any adjacent two first bonding jumpers 23 that are electrically connected with same touch-control sensing electrode 21 equals to be electrically connected with same touch-control drive electrode 22.First bonding jumper 23 and second bonding jumper 24 evenly are set on touch-control sensing electrode 21 and touch-control drive electrode 22 respectively, can make the transmittance of ITO layer comparatively even.In the process of specific implementation, the quantity of first bonding jumper 23 that is electrically connected with same touch-control sensing electrode 21, and the quantity of second bonding jumper 24 that is electrically connected with same touch-control drive electrode 22, can determine according to the resistivity that actual ITO layer will reach, in the quantity of first bonding jumper 23 or second bonding jumper 24 more for a long time, as shown in Figure 4, can reduce the resistivity of ITO layer significantly, but may influence the transmittance of ITO layer, when the negligible amounts of first bonding jumper 23 or second bonding jumper 24, the effect of the resistivity of reduction ITO layer is not remarkable, but the transmittance of ITO layer is subjected to less influence; Therefore, can be according to concrete needs, comprehensive selection is determined the quantity of first bonding jumper 23 or second bonding jumper 24.
Preferably, as shown in Figure 5, the 4th bonding jumper 27 that the 3rd bonding jumper 26 that touch module also comprises and at least one first bonding jumper 23 of being electrically connected with same touch-control sensing electrode 21 intersects and at least one that is electrically connected with same touch-control drive electrode 22 second bonding jumper 24 is crossing.After the 3rd bonding jumper 26 intersects with at least the first bonding jumper 23, make first bonding jumper 23 that is electrically connected with same touch-control sensing electrode 21 in parallel with the 3rd bonding jumper 26, thereby first bonding jumper 23 in parallel and the 3rd bonding jumper 26 are further in parallel with touch-control sensing electrode 21, can reduce the resistivity on the touch-control sensing electrode 21 more significantly, in like manner, also can reduce resistivity on the touch-control drive electrode 22 significantly by second bonding jumper 24, the 4th bonding jumper 27.Particularly, first bonding jumper 23 and the 3rd bonding jumper 26 intersect vertically, and second bonding jumper 24 and the 4th bonding jumper 27 intersect vertically.
Preferably, be 2 ~ 3 microns at the width as first bonding jumper 23 among Fig. 3, Fig. 4 and Fig. 5, second bonding jumper 24, the 3rd bonding jumper 26 and the 4th bonding jumper 27, and the broadband of metal bridge 25 also is 2 ~ 3 microns, and the width of metal bridge is generally 5 ~ 6 microns in the prior art, so just can reduce the width of metal bridge 25, and the width of bonding jumper can improve the transmittance of ITO layer less than the width of metal bridge in the prior art.
Based on identical inventive concept, the embodiment of the invention also provides a kind of capacitance type touch control screen, this capacitance type touch control screen comprises as Fig. 2, Fig. 3, Fig. 4 or touch module shown in Figure 5, this capacitance type touch control screen has been owing to reduced the resistivity of touch control layer and taken into account transmittance preferably, thus can reduce complete machine power consumption, improve complete machine standby time, do not influence user's experience; And, owing to reduced the resistivity of touch control layer, make touch control layer to cooperate the more excellent touch-control effect of arrival better with drive integrated circult, and then integrated circuit can drive larger sized touch module.
In sum, technical scheme according to the embodiment of the invention, be electrically connected a plurality of bonding jumpers identical with separately wiring direction respectively on the touch-control sensing electrode with on the touch-control drive electrode, and the bonding jumper that is electrically connected with the touch-control sensing electrode and with bonding jumper that the touch-control drive electrode is electrically connected between insulate, after touch-control sensing electrode and touch-control drive electrode acquisition power supply, bonding jumper forms relation in parallel with touch-control sensing electrode or touch-control drive electrode, the resistance of two in parallel conductors is less than the resistance of any one conductor in two conductors, thus bonding jumper and the resistivity that can reduce the ITO layer after touch-control sensing electrode and touch-control drive electrode are electrically connected.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.
Claims (10)
1. capacitance touching control module comprises and intersects and put and touch-control sensing electrode and the touch-control drive electrode of mutually insulated, it is characterized in that, also comprises:
With a plurality of first bonding jumpers that the touch-control sensing electrode is electrically connected and wiring direction is identical, a plurality of second bonding jumpers with the touch-control drive electrode is electrically connected and wiring direction is identical insulate between described first bonding jumper and described second bonding jumper.
2. capacitance touching control module according to claim 1 is characterized in that, carries out bridge joint by metal bridge between two any adjacent described touch-control drive electrodes; Then,
Described first bonding jumper and/or described second bonding jumper and described metal bridge arrange with layer.
3. capacitance touching control module according to claim 1, it is characterized in that, equate with the distance between any adjacent two described first bonding jumpers that same touch-control sensing electrode is electrically connected, equate with distance between any adjacent two described second bonding jumpers of same touch-control drive electrode electrical connection.
4. capacitance touching control module according to claim 3, it is characterized in that the distance between any adjacent two described second bonding jumpers that the distance between any adjacent two described first bonding jumpers that are electrically connected with same touch-control sensing electrode equals to be electrically connected with same touch-control drive electrode.
5. capacitance touching control module according to claim 1 is characterized in that, also comprises:
The 3rd bonding jumper that intersects with at least one described first bonding jumper that is electrically connected with same touch-control sensing electrode and the 4th crossing bonding jumper of at least one described second bonding jumper that is electrically connected with same touch-control drive electrode.
6. capacitance touching control module according to claim 5 is characterized in that, described first bonding jumper and described the 3rd bonding jumper intersect vertically, and described second bonding jumper and described the 4th bonding jumper intersect vertically.
7. according to claim 5 or 6 described capacitance touching control modules, it is characterized in that the width of described first bonding jumper, described second bonding jumper, described the 3rd bonding jumper and described the 4th bonding jumper is 2 ~ 3 microns.
8. according to each described capacitance touching control module in the claim 1 to 6, it is characterized in that,
In a plurality of second bonding jumpers that same touch-control drive electrode is electrically connected, one of them described first bonding jumper is connected with two described metal bridge of the described touch-control drive electrode of bridge joint.
9. according to each described capacitance touching control module in the claim 1 to 6, it is characterized in that the material of described touch-control sensing electrode and described touch-control drive electrode is ITO or IZO.
10. a capacitance type touch control screen is characterized in that, comprises as each described capacitance touching control module in the claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201210350867.0A CN103268174B (en) | 2012-09-20 | 2012-09-20 | Capacitance touching control module and capacitance type touch control screen |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210350867.0A CN103268174B (en) | 2012-09-20 | 2012-09-20 | Capacitance touching control module and capacitance type touch control screen |
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| CN103268174B CN103268174B (en) | 2016-09-28 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103472951A (en) * | 2013-09-13 | 2013-12-25 | 京东方科技集团股份有限公司 | Touch screen, method for manufacturing same and display device |
| WO2015043047A1 (en) * | 2013-09-27 | 2015-04-02 | 深圳市华星光电技术有限公司 | Mutual capacitance type touchscreen |
| CN104516614A (en) * | 2013-09-26 | 2015-04-15 | 业鑫科技顾问股份有限公司 | Touch device |
| CN106598317A (en) * | 2015-10-20 | 2017-04-26 | 深圳莱宝高科技股份有限公司 | Touch panel and manufacture method thereof |
| CN110874160A (en) * | 2019-11-19 | 2020-03-10 | 合肥鑫晟光电科技有限公司 | Touch module and touch screen |
| CN111766973A (en) * | 2020-06-11 | 2020-10-13 | 武汉华星光电半导体显示技术有限公司 | Touch display panel and display device |
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| CN101847065A (en) * | 2009-03-24 | 2010-09-29 | 宸鸿科技(厦门)有限公司 | Circuit structure of capacitance type touch control panel |
| CN101859213A (en) * | 2009-04-13 | 2010-10-13 | 群康科技(深圳)有限公司 | Making method of capacitor-type touch panel |
| JP2011248851A (en) * | 2010-04-26 | 2011-12-08 | Kyocera Corp | Input device, and display device with the same |
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| US20070062739A1 (en) * | 2005-09-20 | 2007-03-22 | Harald Philipp | Touch Sensitive Screen |
| CN101847065A (en) * | 2009-03-24 | 2010-09-29 | 宸鸿科技(厦门)有限公司 | Circuit structure of capacitance type touch control panel |
| CN101859213A (en) * | 2009-04-13 | 2010-10-13 | 群康科技(深圳)有限公司 | Making method of capacitor-type touch panel |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103472951A (en) * | 2013-09-13 | 2013-12-25 | 京东方科技集团股份有限公司 | Touch screen, method for manufacturing same and display device |
| WO2015035716A1 (en) * | 2013-09-13 | 2015-03-19 | 京东方科技集团股份有限公司 | Touch screen and manufacturing method therefor, and display device |
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| CN104516614A (en) * | 2013-09-26 | 2015-04-15 | 业鑫科技顾问股份有限公司 | Touch device |
| WO2015043047A1 (en) * | 2013-09-27 | 2015-04-02 | 深圳市华星光电技术有限公司 | Mutual capacitance type touchscreen |
| CN106598317A (en) * | 2015-10-20 | 2017-04-26 | 深圳莱宝高科技股份有限公司 | Touch panel and manufacture method thereof |
| CN110874160A (en) * | 2019-11-19 | 2020-03-10 | 合肥鑫晟光电科技有限公司 | Touch module and touch screen |
| CN110874160B (en) * | 2019-11-19 | 2023-11-28 | 合肥鑫晟光电科技有限公司 | Touch module and touch screen |
| CN111766973A (en) * | 2020-06-11 | 2020-10-13 | 武汉华星光电半导体显示技术有限公司 | Touch display panel and display device |
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| Publication number | Publication date |
|---|---|
| CN103268174B (en) | 2016-09-28 |
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