CN102830883A - Device and method for realizing multipoint touch control through single-layer ITO (Indium Tin Oxide) - Google Patents
Device and method for realizing multipoint touch control through single-layer ITO (Indium Tin Oxide) Download PDFInfo
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- CN102830883A CN102830883A CN2012103382738A CN201210338273A CN102830883A CN 102830883 A CN102830883 A CN 102830883A CN 2012103382738 A CN2012103382738 A CN 2012103382738A CN 201210338273 A CN201210338273 A CN 201210338273A CN 102830883 A CN102830883 A CN 102830883A
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Abstract
The invention belongs to the technical field of a touch panel and especially relates to a device and a method for realizing multipoint touch control through single-layer ITO (Indium Tin Oxide). The device for realizing the multipoint touch control through the single-layer ITO provided by the invention comprises a touch substrate, at least one driving electrode and at least one sensing electrode, wherein a layer of transparent conductive film is arranged on a surface of the touch substrate; the driving electrode is an X directional sensing block etched on the conductive film; and the sensing electrode is a Y directional sensing block etched on the conductive film. The device and the method for realizing the multipoint touch control through the single-layer ITO according to the embodiment of the invention have the advantages that the metal wiring is unnecessary; an ITO circuit is only etched for one time; the technological process of the products is greatly simplified; the functional panel glass can be produced by adopting a simple photo-etching production line; the manufacturing problem caused by the dependence of the present capacitance touch-screen touch functional panel substrate on high-precision photo-etching production line and metal coating is solved; and the yield is greatly increased.
Description
Technical field
The invention belongs to the contact panel technical field, relate in particular to the device and method that a kind of individual layer ITO realizes multi-point touch.
Background technology
The touch controllable function panel of existing capacitive touch screen, in general ITO (tin indium oxide) electric conduction routing two-sided at the single face of substrate or substrate, i.e. single face multilayer conductive line structure and double-sided multi-layer conductive line structure.
See also Fig. 1, Fig. 1 is that existing single face multilayer conductive line structure contact panel ITO cabling and FPC connect synoptic diagram.For single face multilayer conductive line structure can be on the ITO pattern after etching is intact etching transparent insulating layer and metal (Mo-Al-Mo or Mo or Cu); Among Fig. 1; 31 and 34 is the induction line of Y direction, and 32 and 33 is the induction line of directions X, and 35 is metal level; Through metal level 35 connection left and right sides diamond blocks, connect peripheral at last through metal to FPC hot pressing place.Form the matrixing network of directions X and Y direction for single face multilayer conductive layer structure because of mode through metal " bridging ", for isolate Y to ITO line and metal film line, the infall 31 and 32 is provided with insulation course between the two-layer cabling.As long as utilize FPC drive channels and the induction channels that directions X and Y direction are connected to touch-control IC can be realized touch controllable function.
See also Fig. 2, Fig. 3 and Fig. 4; Fig. 2 is the synoptic diagram of existing double-sided multi-layer conductive line structure contact panel; Fig. 3 is the ITO electric conduction routing figure (directions X) of the substrate one side of existing double-sided multi-layer conductive line structure contact panel, and Fig. 4 is the ITO electric conduction routing figure (Y direction) of the substrate another side of existing double-sided multi-layer conductive line structure contact panel.Contact panel for the double-sided multi-layer conductive line structure; Need all want etching once or once on the two sides of substrate, utilize metal routing that the touch-control sensing passage is connected to hot pressing place of FPC at last, like Fig. 4; Fig. 5; Shown in Figure 6, Y direction cabling 41 and directions X cabling 42 lay respectively at the two sides ITO of glass, form Drive Layer and inductive layer through pattern etching.Through two-layer drive channels and induction channels being connected to touch-control IC realization touch controllable function in the both sides of glass hot pressing FPC mode.
The technological process of existing two kinds of structures is very complicated, and yield is difficult to control, causes the unit price of present touch controllable function substrate higher.In addition, two kinds of structure touch controllable function panels all have metal wire (Mo-Al-Mo or Mo or Cu) layer, and metal film is that the method for vacuum coating prepares, and causes the cost of contact panel further to increase.
Summary of the invention
The invention provides the Apparatus and system that a kind of individual layer ITO realizes multi-point touch, the touch controllable function panel technological process that is intended to solve existing capacitive touch screen is very complicated, metal line layer need be set, the unmanageable problem of yield.
The present invention realizes like this; A kind of individual layer ITO realizes the device of multi-point touch; Comprise touch base plate, at least one drive electrode and at least one induction electrode; Said touch base plate simultaneously is provided with the conducting film of layer of transparent, and said drive electrode is the directions X sensor block that is etched on the conducting film, and said induction electrode is the Y direction inductor piece that is etched on the conducting film.
The technical scheme that the embodiment of the invention is taked also comprises: described individual layer ITO realizes that the device of multi-point touch also comprises FPC; Said directions X sensor block is separate, and the mode through the FPC line is joined together to form matrixing network with independent sensor block.
The technical scheme that the embodiment of the invention is taked also comprises: the sensor block of said Y direction connects through the mode of ITO cabling.
The technical scheme that the embodiment of the invention is taked also comprises: said touch base plate another side also is provided with the conducting film of layer of transparent, and the ITO square resistance of said conducting film is 10 Ω/～500 Ω/.
The technical scheme that the embodiment of the invention is taked also comprises: said touch base plate adopts glass, acrylic or PET.
Another technical scheme that the embodiment of the invention is taked is: a kind of individual layer ITO realizes the method for multi-point touch, comprising: the conducting film of plating layer of transparent on touch base plate; The photoetching nesa coating etches single face ITO conductor wire touch pattern, and wherein, said conductor wire touch pattern comprises directions X sensor block and Y direction inductor piece; The design FPC utilizes the mode of FPC cabling that the directions X sensor block is joined together to form matrixing network.
The technical scheme that the embodiment of the invention is taked also comprises: said on the touch base plate plating layer of transparent the conducting film step after also comprise: the conducting film that plates layer of transparent at the another side of touch base plate.
The technical scheme that the embodiment of the invention is taked also comprises: said photoetching nesa coating also comprises after etching single face ITO conductor wire touch pattern step: the conducting film that plates layer of transparent at the another side of touch base plate.
The technical scheme that the embodiment of the invention is taked also comprises: said Y direction inductor piece utilizes ITO to link together, and directions X sensor block piece is separate.
The technical scheme of the embodiment of the invention has following advantage or beneficial effect: the individual layer ITO of the embodiment of the invention realizes that the device and method of multi-point touch does not need metal (Mo-Al-Mo or Mo or Cu) cabling; Only need ITO circuit of etching; Simplified the technological process of product greatly, simple photoetching production line can be produced this type of function panel glass, has solved the making difficult problem that present capacitance touch screen touch controllable function panel relies on high-precision photoetching production line and metal coating existence basically; Its yield can be greatly enhanced; For the cost of touch controllable function panel reduces true feasible method is provided, in addition, through FPC with directions X independently functional block carry out outside connection; Can reach " bridging " consistent effect on ITO, realize multi-point touch.
Description of drawings
Accompanying drawing 1 is that existing single face multilayer conductive line structure contact panel ITO cabling and FPC connect synoptic diagram;
Accompanying drawing 2 is synoptic diagram of existing double-sided multi-layer conductive line structure contact panel;
Accompanying drawing 3 is ITO electric conduction routing figure of the substrate one side of existing double-sided multi-layer conductive line structure contact panel;
Accompanying drawing 4 is ITO electric conduction routing figure of the substrate another side of existing double-sided multi-layer conductive line structure contact panel;
Accompanying drawing 5 is structural representations that the individual layer ITO of first embodiment of the invention realizes the device of multi-point touch;
Accompanying drawing 6 is structural representations that the individual layer ITO of second embodiment of the invention realizes the device of multi-point touch;
Accompanying drawing 7 is synoptic diagram of the FPC cabling of the individual layer ITO of the first embodiment of the invention device of realizing multi-point touch;
Accompanying drawing 8 is synoptic diagram of the FPC cabling of the individual layer ITO of the second embodiment of the invention device of realizing multi-point touch.
Embodiment
In order to make the object of the invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with accompanying drawing and embodiment.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
Seeing also Fig. 5, is the structural representation that the individual layer ITO of first embodiment of the invention realizes the device of multi-point touch.The individual layer ITO of first embodiment of the invention realizes that the device of multi-point touch comprises touch base plate 10, drive electrode 11 and 13 and induction electrode 12 and 14.Touch base plate 10 can be a glass, also can be other any transparent material substrates (like acrylic, PET etc.).The front of touch base plate 10 is provided with the front conducting film (figure does not show) of layer of transparent, and transparent conducting film can be ITO (tin indium oxide), also can be other transparent conducting films.The ITO of front conducting film (tin indium oxide) square resistance is 10 Ω/～500 Ω/; Preferred scheme is: 100 Ω/～300 Ω/ can guarantee that like this sensitivity that touches can guarantee that again the ITO electric conduction routing of etching can not be found out and have influence on the visual effect of product by naked eyes easily.The back side of touch base plate 10 can be provided with the back side conducting film (figure does not show) of layer of transparent, and transparent conducting film can be ITO (tin indium oxide), also can be other transparent conducting films.The ITO of front conducting film (tin indium oxide) square resistance is 10 Ω/～500 Ω/; Preferred scheme is: 100 Ω/～300 Ω/ can guarantee that like this sensitivity that touches can guarantee that again the ITO electric conduction routing of etching can not be found out and have influence on the visual effect of product by naked eyes easily.The back side conducting film of touch base plate 10 is used to shield noise signal to be disturbed, and also this one deck nesa coating can be set.Drive electrode 11 and 13 is for being etched in the directions X sensor block on the positive ITO conducting film; Induction electrode 12 and 14 is for being etched in the Y direction inductor piece on the positive ITO conducting film; Wherein, The sensor block of Y direction (induction electrode 12 and 14) can be connected through the mode of ITO cabling; The directions X sensor block is etched into independently cell block, and promptly drive electrode 11 and 13 is separate, and the independent sensor block (drive electrode 11 and 13) that the mode of utilizing the FPC line is accomplished etching is joined together to form matrixing network.
Seeing also Fig. 6, is the structural representation that the individual layer ITO of second embodiment of the invention realizes the device of multi-point touch.The individual layer ITO of second embodiment of the invention realizes that the device of multi-point touch comprises touch base plate 20, drive electrode 21, drive electrode 22, induction electrode 23, drive electrode 24, drive electrode 25, induction electrode 26.Touch base plate 10 can be a glass, also can be other any transparent material substrates (like acrylic, PET etc.).The front of touch base plate 20 is provided with the front conducting film (figure does not show) of layer of transparent, and transparent conducting film can be ITO (tin indium oxide), also can be other transparent conducting films.The ITO of front conducting film (tin indium oxide) square resistance is 10 Ω/～500 Ω/; Preferred scheme is: 100 Ω/～300 Ω/ can guarantee that like this sensitivity that touches can guarantee that again the ITO electric conduction routing of etching can not be found out and have influence on the visual effect of product by naked eyes easily.The back side of touch base plate 10 can be provided with the back side conducting film (figure does not show) of layer of transparent, and transparent conducting film can be ITO (tin indium oxide), also can be other transparent conducting films.The ITO of front conducting film (tin indium oxide) square resistance is 10 Ω/～500 Ω/; Preferred scheme is: 100 Ω/～300 Ω/ can guarantee that like this sensitivity that touches can guarantee that again the ITO electric conduction routing of etching can not be found out and have influence on the visual effect of product by naked eyes easily.The back side conducting film of touch base plate 20 is used to shield noise signal to be disturbed, and also this one deck nesa coating can be set. Drive electrode 21,22,24 and 25 is for being etched in the directions X sensor block on the positive ITO conducting film; Induction electrode 23 and 26 is for being etched in the Y direction inductor piece on the positive ITO conducting film; Wherein, the sensor block of Y direction (induction electrode 23 and 26) can be connected through the mode of ITO cabling, and the directions X sensor block is etched into independently cell block; Be that drive electrode 21 and 22, drive electrode 24 and 25 are separate; Utilize the mode of FPC line that drive electrode 21 is connected with 24, drive electrode 22 is connected with 25, rises to form matrixing network.
See also Fig. 7 and Fig. 8; Fig. 7 is the synoptic diagram of the FPC cabling of the individual layer ITO of the first embodiment of the invention device of realizing multi-point touch, and Fig. 8 is the synoptic diagram of the FPC cabling of the individual layer ITO of the second embodiment of the invention device of realizing multi-point touch.The sensor block of directions X was functional block independently after etching was accomplished, through the FPC cabling can cascade together.Reach the same effect of metal on ITO " bridging ", thereby form the driving induction matrix of directions X and Y direction.Like Fig. 7, Fig. 8 is said, and 71 and 81 is FPC, through carrying out being connected of independent sensor block in the mode of FPC 71 and 81 upward wirings, is connected to touch-control IC pin at last.Realize the touch-control structure consistent with existing mutual capacitance touchscreens.Cause and the existing consistent structure of mutual electric capacity are so can realize multiple point touching.
The individual layer ITO of first embodiment of the invention realizes that the method for multi-point touch comprises:
Step 10: the conducting film of plating layer of transparent on touch base plate;
Step 11: the nesa coating on the lithography step 10, etch single face ITO conductor wire touch pattern, wherein, Y direction inductor piece utilizes ITO to link together, and directions X sensor block piece is separate.
Step 12: the conducting film that plates layer of transparent at the another side of touch base plate;
In step 12, the film on the another side of touch base plate is used to shield noise signal to be disturbed, and also can not do this one deck nesa coating.
Step 13: the design FPC, the mode of utilizing the FPC cabling with directions X independently
Sensor block links together.
The individual layer ITO of second embodiment of the invention realizes that the method for multi-point touch comprises:
Step 20: the conducting film of plating layer of transparent on touch base plate;
Step 21: the conducting film that plates layer of transparent at the another side of touch base plate:
In step 21, the conducting film that the another side of touch base plate plates is used to shield noise signal to be disturbed,
Also can not do this one deck nesa coating;
Step 22: the nesa coating on the lithography step 20 etches the single face ITO like Fig. 5, Fig. 6 etc.
The conductor wire touch pattern;
Step 23: the design FPC, the mode of utilizing the FPC cabling with directions X independently
Functional block links together.
The technical scheme of the embodiment of the invention has following advantage or beneficial effect: the individual layer ITO of the embodiment of the invention realizes that the device and method of multi-point touch does not need metal (Mo-Al-Mo or Mo or Cu) cabling; Only need ITO circuit of etching; Simplified the technological process of product greatly, simple photoetching production line can be produced this type of function panel glass, has solved the making difficult problem that present capacitance touch screen touch controllable function panel relies on high-precision photoetching production line and metal coating existence basically; Its yield can be greatly enhanced; For the cost of touch controllable function panel reduces true feasible method is provided, in addition, through FPC with directions X independently functional block carry out outside connection; Can reach " bridging " consistent effect on ITO, realize multi-point touch.
The above is merely preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of within spirit of the present invention and principle, being done, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (7)
1. an individual layer ITO realizes the device of multi-point touch; Comprise touch base plate, at least one drive electrode and at least one induction electrode; It is characterized in that: said touch base plate simultaneously is provided with the conducting film of layer of transparent; Said drive electrode is the directions X sensor block that is etched on the conducting film, and said induction electrode is the Y direction inductor piece that is etched on the conducting film.
2. individual layer ITO according to claim 1 realizes the device of multi-point touch; It is characterized in that; Also comprise FPC, said directions X sensor block is separate, and the mode through the FPC line is joined together to form matrixing network with independent sensor block.
3. individual layer ITO according to claim 1 and 2 realizes the device of multi-point touch, it is characterized in that the sensor block of said Y direction connects through the mode of ITO cabling.
4. individual layer ITO according to claim 1 realizes the device of multi-point touch, it is characterized in that said touch base plate another side also is provided with the conducting film of layer of transparent, and the ITO square resistance of said conducting film is 10 Ω/～500 Ω/.
5. individual layer ITO according to claim 1 realizes the device of multi-point touch, it is characterized in that, said touch base plate adopts glass, acrylic or PET.
6. an individual layer ITO realizes the method for multi-point touch, comprising:
The conducting film of plating layer of transparent on touch base plate;
The photoetching nesa coating etches single face ITO conductor wire touch pattern, and wherein, said conductor wire touch pattern comprises directions X sensor block and Y direction inductor piece;
The design FPC utilizes the mode of FPC cabling that the directions X sensor block is joined together to form matrixing network.
7. individual layer ITO according to claim 6 realizes the method for multi-point touch, it is characterized in that, saidly after the conducting film step of plating layer of transparent on the touch base plate, also comprises: the conducting film that plates layer of transparent at the another side of touch base plate.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012103382738A CN102830883A (en) | 2012-09-13 | 2012-09-13 | Device and method for realizing multipoint touch control through single-layer ITO (Indium Tin Oxide) |
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| CN2012103382738A CN102830883A (en) | 2012-09-13 | 2012-09-13 | Device and method for realizing multipoint touch control through single-layer ITO (Indium Tin Oxide) |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107678587A (en) * | 2017-09-27 | 2018-02-09 | 深圳市骏达光电股份有限公司 | Touch sensitive layer and preparation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1945516A (en) * | 2005-07-08 | 2007-04-11 | 哈拉尔德·菲利普 | Two-dimensional position sensor |
| CN101089802A (en) * | 2006-05-31 | 2007-12-19 | 哈拉尔德·菲利普 | Two dimensional position sensor |
| CN101925872A (en) * | 2008-01-29 | 2010-12-22 | 美法思株式会社 | Touch sensor panel having split-electrode structure and touch sensor device provided with the same |
| CN102375635A (en) * | 2010-08-18 | 2012-03-14 | 乐金显示有限公司 | Touch screen panel and method of manufacturing the same |
| CN102637099A (en) * | 2011-02-14 | 2012-08-15 | 时纬科技股份有限公司 | Single-layer multi-point projection type capacitor device |
-
2012
- 2012-09-13 CN CN2012103382738A patent/CN102830883A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1945516A (en) * | 2005-07-08 | 2007-04-11 | 哈拉尔德·菲利普 | Two-dimensional position sensor |
| CN101089802A (en) * | 2006-05-31 | 2007-12-19 | 哈拉尔德·菲利普 | Two dimensional position sensor |
| CN101925872A (en) * | 2008-01-29 | 2010-12-22 | 美法思株式会社 | Touch sensor panel having split-electrode structure and touch sensor device provided with the same |
| CN102375635A (en) * | 2010-08-18 | 2012-03-14 | 乐金显示有限公司 | Touch screen panel and method of manufacturing the same |
| CN102637099A (en) * | 2011-02-14 | 2012-08-15 | 时纬科技股份有限公司 | Single-layer multi-point projection type capacitor device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107678587A (en) * | 2017-09-27 | 2018-02-09 | 深圳市骏达光电股份有限公司 | Touch sensitive layer and preparation method thereof |
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Application publication date: 20121219 |