CN204790950U - Save capacitive touch screen of wiring space bi -polar outlet structure - Google Patents
Save capacitive touch screen of wiring space bi -polar outlet structure Download PDFInfo
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- CN204790950U CN204790950U CN201520402871.6U CN201520402871U CN204790950U CN 204790950 U CN204790950 U CN 204790950U CN 201520402871 U CN201520402871 U CN 201520402871U CN 204790950 U CN204790950 U CN 204790950U
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Abstract
The utility model relates to a save capacitive touch screen of wiring space bi -polar outlet structure, including FPC circuit board, conducting layer, sensor function piece be provided with X metal pad and Y metal pad on the sensor function piece, X metal pad or lay the bi -polar on the Y metal pad and walk the printing metal wire of line, the printing metal wire includes upper end metal wire and lower extreme metal wire, and the upper end metal wire is drawn on by X metal pad or Y metal pad, the lower extreme metal wire is drawn by X metal pad or Y metal pad lower extreme, merges into a strip metal line after upper end metal wire and lower extreme metal wire are drawn. The utility model discloses adopt the bi -polar to walk the line design on one of them metal pad, make the FPC circuit board walk the line simple, save space, the overall dimension reduction, has effectively improved the yield and has increased the composing utilization ratio, not only reduce cost makes back end hot pressing and test operating simple moreover, can also guarantee the structural strength of complete machine.
Description
Technical field
The utility model relates to capacitance plate technical field, specifically a kind of capacitive touch screen saved wiring space both-end and occur structure.
Background technology
Capacitance-type touch screen technology utilizes the electric current of human body to respond to carry out work.Capacitive touch screen is particulate metal conductive materials plating layer of transparent at glass surface.When finger touch on the metal layer time, the electric capacity of contact will change, and the oscillator frequency be attached thereto is changed, by survey frequency change can determine touch location obtain information.Along with the popularization of capacitance plate operation technique, range of application is extensive all the more, the technique made due to traditional capacitance screen and structural limitations, making material and pattern finalize the design almost, want meeting under the applicable prerequisite of capacitance plate merit, realize process modification, reduce production cost, most critical is to improve its structure composition.
The capacitive touch screen of prior art, particularly for larger-size touch-screen, due to the driving force of current capacitance touch chip, and the reason that on ito thin film material, the impedance of ITO is larger, general ITO passage needs the cabling of a direction or the outlet of both direction design both-end.Therefore, the mode of general employing FPC (flexible PCB) wire jumper realizes the structure of the both-end outlet of large scale protocols call, such sensor wiring at least needs three sections of metal heat pressing Pad, when client FPC wiring board profile space is determined, can only by reducing Pad width and hot pressing Pitch realizes, too small Pitch may cause the deficiencies such as the difficulty increase of upper and lower ito thin film combination deviation and hot pressing and test.
As shown in Figure 1, be the general design of prior art, the weak point of which: first, FPC space is comparatively large, and cabling is complicated, and monomer yield is low, and typesetting utilization factor is low, and back segment hot pressing and test difficulty, cost is high.Secondly, sensor chip cabling requisite space is large, needs the Pin pin quantity of hot pressing many, generally needs syllogic hot pressing, add to the difficulties to back segment hot pressing and test.Again, very waste the use amount of ACF (anisotropic conductive adhesive layer), thus it is low to produce yield, cost is high.Further, in order to dodge the space of FPC and Sensor hot pressing end, can cause complete machine structure weakness, complete machine structure weaken, finally causing deterioration in quality, procedure for producing and after cost increase.
Utility model content
In view of the defect that above-mentioned prior art exists, the purpose of this utility model is that a kind of structural strength of proposition is good, cost is low, saves the capacitive touch screen of the both-end outlet structure of wiring space.The purpose of this utility model will be achieved by the following technical programs:
A kind of capacitive touch screen saving wiring space both-end outlet structure, comprise FPC wiring board, conductive layer, sensor function sheet, described sensor function sheet is provided with X metal Pad and Y metal Pad, described X metal Pad or described Y metal Pad is laid with the type metal line of both-end cabling, described type metal line comprises upper end metal wire and lower end metal wire, upper end metal wire is drawn by X metal Pad or Y metal Pad upper end, lower end metal wire is drawn by X metal Pad or Y metal Pad lower end, upper end metal wire and lower end metal wire are merged into a metal line after drawing.
Further, described conductive layer comprises X section golden finger and Y section golden finger to the utility model, described X section golden finger and the corresponding setting of X metal Pad, described Y section golden finger and the corresponding setting of Y metal Pad.
Further, the position of described X section golden finger and Y section golden finger in the same horizontal line for the utility model.
The utility model further, anisotropic conductive adhesive layer is provided with between described conductive layer and sensor function sheet, described anisotropic conductive adhesive layer comprises X section anisotropic conductive and Y section anisotropic conductive, described X section anisotropic conductive and the corresponding setting of X metal Pad, described Y section anisotropic conductive and the corresponding setting of Y metal Pad.
Further, the position of described X section anisotropic conductive and described Y section anisotropic conductive is in same level for the utility model.
The utility model further, arranges an ito thin film at described FPC wiring board upper surface.
The beneficial effects of the utility model are mainly reflected in: 1. the utility model a metal Pad adopts the design of both-end cabling wherein, make FPC wiring board cabling simple, save space, physical dimension reduction, effectively improve yield and increase typesetting utilization factor, not only reduce costs, and make back segment hot pressing and test operation simply, the structural strength of complete machine can also be ensured.2. because the design of both-end cabling makes sensor hot pressing Pin pin quantity few, the horizontal hot pressing of two-part, facilitates follow-up back segment hot pressing and test.3. the utility model reduces ACF use amount, never promotes hot pressing yield and reduces cost.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the wire structures of prior art capacitive touch screen;
Fig. 2 is a kind of structural representation saving the capacitive touch screen of wiring space both-end outlet structure of the utility model;
Fig. 3 is the partial structurtes schematic diagram that the utility model comprises ito thin film and Y metal Pad;
Fig. 4 is the partial structurtes schematic diagram that the utility model comprises ito thin film and X metal Pad;
Fig. 5 is the structural representation of the utility model type metal line;
Fig. 6 is the structural representation of prior art metal wire cabling.
Accompanying drawing illustrates:
1, FPC wiring board 2, conductive layer 3, sensor function sheet 4, X metal Pad5, Y metal Pad6, X section golden finger 7, Y section golden finger 8, anisotropic conductive adhesive layer 81, X section anisotropic conductive 82, Y section anisotropic conductive 9, ito thin film 10, type metal line 11, upper end metal wire 12, lower end metal wire 13, TX1 passage 14, metal wire 15, metal Pad.
Embodiment
The utility model discloses a kind of capacitive touch screen saving wiring space both-end outlet structure.Below in conjunction with the accompanying drawing in the utility model embodiment, carry out clear, complete description to the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on embodiment of the present utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
As Fig. 2, the utility model saves the capacitive touch screen of wiring space both-end outlet structure, comprises FPC wiring board 1, conductive layer 2, sensor function sheet 3, sensor function sheet 3 is provided with X metal Pad4 and Y metal Pad5.The utility model main idea is the type metal line 10 being laid with both-end cabling on above-mentioned X metal Pad4 or Y metal Pad5, as shown in Figure 5, this type metal line 10 comprises upper end metal wire 11 and lower end metal wire 12, upper end metal wire 11 is drawn by X metal Pad4 upper end, lower end metal wire 12 is drawn by X metal Pad4 lower end, and upper end metal wire 11 and lower end metal wire 12 are merged into a metal line after drawing.The TX1 passage 13 referring to electric conductivity in Fig. 5, after upper end metal wire 11 and lower end metal wire 12 merging are connected, all from left side cabling hot pressing end, then couple together in the X metal Pad4 section of hot pressing end, achieves the design of both-end cabling like this.And compared to the metal routing mode of prior art in Fig. 6, the metal wire 14 of TX1 passage 13 lower end passes through right side again around to hot pressing end from bottom, obviously find out that the metal Pad15 of the hot pressing end of two TX1 passages 13 has appearred in hot pressing end, this not only wastes metal routing, and many metal Pad15 of one section of hot pressing end.By this design, make the cabling on FPC wiring board 1 simple, greatly can reduce physical dimension, be conducive to improving yield, increase typesetting utilization factor, reduce costs, make back segment hot pressing and test simply.
Particularly, conductive layer 2 comprises X section golden finger 6 and Y section golden finger 7, X section golden finger 6 and the corresponding setting of X metal Pad4, described Y section golden finger 7 and the corresponding setting of Y metal Pad5.The position of X section golden finger 6 and Y section golden finger 7 in the same horizontal line.Anisotropic conductive adhesive layer 8 is provided with between conductive layer 2 and sensor function sheet 3, anisotropic conductive adhesive layer 8 comprises X section anisotropic conductive 81 and Y section anisotropic conductive 82, described X section anisotropic conductive 81 and the corresponding setting of X metal Pad4, described Y section anisotropic conductive 82 and the corresponding setting of Y metal Pad5.Wherein, the position of X section anisotropic conductive 81 and Y section anisotropic conductive 82 is in same level.Due to this X section golden finger 6 and Y section golden finger 7 position in the same horizontal line, the position of X section anisotropic conductive 81 and Y section anisotropic conductive 82 in same level, can ensure that two-part hot pressing is on same horizontal line, realizes disposable hot pressing.As Fig. 3 and Fig. 4 as described in FPC wiring board 1 upper surface one ito thin film 9 is set.
During the utility model concrete operations, in follow-up hot pressing, X section golden finger 6, X section anisotropic conductive 81 and X metal Pad4 press together accordingly, as shown in Figure 2, that X metal Pad4 is provided with type metal 10, therefore, the combination that X section golden finger 6, X section anisotropic conductive 81 and X metal Pad4 press together accordingly achieves both-end outlet.
Therefore, the utility model a metal Pad adopts the design of both-end cabling wherein, make FPC wiring board cabling simple, save space, physical dimension reduction, effectively improve yield and increase typesetting utilization factor, not only reduce costs, and make back segment hot pressing and test operation simply, the structural strength of complete machine can also be ensured.Because the design of both-end cabling makes sensor hot pressing Pin pin quantity few, the horizontal hot pressing of two-part, facilitates follow-up back segment hot pressing and test.The utility model reduces ACF use amount, never promotes hot pressing yield and reduces cost.The utility model still has numerous embodiments, all employing equivalents or equivalent transformation and all technical schemes formed, and all drops within protection domain of the present utility model.
Claims (6)
1. save the capacitive touch screen of wiring space both-end outlet structure for one kind, comprise FPC wiring board (1), conductive layer (2), sensor function sheet (3), it is characterized in that: on described sensor function sheet (3), be provided with X metal Pad (4) and Y metal Pad (5), described X metal Pad (4) or described Y metal Pad (5) are laid with the type metal line (10) of both-end cabling, described type metal line (10) comprises upper end metal wire (11) and lower end metal wire (12), upper end metal wire (11) is drawn by X metal Pad (4) or Y metal Pad (5) upper end, lower end metal wire (12) is drawn by X metal Pad (4) or Y metal Pad (5) lower end, upper end metal wire (11) and lower end metal wire (12) are merged into a metal line after drawing.
2. a kind of capacitive touch screen saving wiring space both-end outlet structure according to claim 1, it is characterized in that: described conductive layer (2) comprises X section golden finger (6) and Y section golden finger (7), described X section golden finger (6) and X metal Pad (4) corresponding setting, described Y section golden finger (7) and Y metal Pad (5) corresponding setting.
3. a kind of capacitive touch screen saving wiring space both-end outlet structure according to claim 2, is characterized in that: the position of described X section golden finger (6) and Y section golden finger (7) in the same horizontal line.
4. a kind of capacitive touch screen saving wiring space both-end outlet structure according to claim 1, it is characterized in that: between described conductive layer (2) and sensor function sheet (3), be provided with anisotropic conductive adhesive layer (8), described anisotropic conductive adhesive layer (8) comprises X section anisotropic conductive (81) and Y section anisotropic conductive (82), described X section anisotropic conductive (81) and X metal Pad (4) corresponding setting, described Y section anisotropic conductive (82) and Y metal Pad (5) corresponding setting.
5. a kind of capacitive touch screen saving wiring space both-end outlet structure according to claim 4, is characterized in that: the position of described X section anisotropic conductive (81) and described Y section anisotropic conductive (82) is in same level.
6. a kind of capacitive touch screen saving wiring space both-end outlet structure according to claim 1, is characterized in that: arrange an ito thin film (9) at described FPC wiring board (1) upper surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520402871.6U CN204790950U (en) | 2015-06-12 | 2015-06-12 | Save capacitive touch screen of wiring space bi -polar outlet structure |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520402871.6U CN204790950U (en) | 2015-06-12 | 2015-06-12 | Save capacitive touch screen of wiring space bi -polar outlet structure |
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| CN204790950U true CN204790950U (en) | 2015-11-18 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108549501A (en) * | 2018-04-26 | 2018-09-18 | 深圳市明泰电讯有限公司 | A kind of touch screen and its mobile terminal for realizing bang screen appearance |
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2015
- 2015-06-12 CN CN201520402871.6U patent/CN204790950U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108549501A (en) * | 2018-04-26 | 2018-09-18 | 深圳市明泰电讯有限公司 | A kind of touch screen and its mobile terminal for realizing bang screen appearance |
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