CN201936288U - Resistance type touch screen - Google Patents
Resistance type touch screen Download PDFInfo
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- CN201936288U CN201936288U CN2010206769062U CN201020676906U CN201936288U CN 201936288 U CN201936288 U CN 201936288U CN 2010206769062 U CN2010206769062 U CN 2010206769062U CN 201020676906 U CN201020676906 U CN 201020676906U CN 201936288 U CN201936288 U CN 201936288U
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- conductive layer
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- tack coat
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Abstract
The utility model provides a resistance type touch screen which comprises a first conductive layer, a second conductive layer, a first adhesive layer, a flexible printed circuit board, a first electrode layer formed at the edge of the first conductive layer, a first insulation layer arranged on the first electrode layer, a second electrode layer formed at the edge of the second conductive layer and a second insulation layer arranged on the second electrode layer, wherein the first adhesive layer is arranged between the first insulation layer and the second insulation layer, the first conductive layer, the first insulation layer, the first adhesive layer and the second insulation layer are respectively provided with a corresponding first through hole, one end of the flexible printed circuit board is electrically connected with the first electrode layer and the second electrode layer, and the other end of the flexible printed circuit board sequentially passed through the first through holes of the first insulation layer and the first adhesive layer, the first insulation layer and the first conductive layer and then extends out of the first conductive layer. The resistance type touch screen can be used in environment with high degree of humidity, and has good waterproof ability and wide application range.
Description
Technical field
The utility model belongs to the touch-screen field, relates in particular to a kind of water proof type resistive touch screen.
Background technology
Resistive touch screen is mainly used in digital products such as mobile phone, player, in outdoor activities, unavoidably can touch water.And use resistive touch screen on the now increasing household appliances, and so just being in the rugged surroundings of high humidity, the sealing of touch-screen and waterproof ability just seem most important for the safe handling and the life-span that guarantee product.This reaches the injection that any direction directly is subjected to water with regard to the waterproof ability that requires touch-screen can not enter its inside yet, even perhaps under waterly under defined terms can not enter its inside yet.Resistive touch screen design in the market all can't be satisfied waterproof requirement, and the structure of existing resistive touch screen comprises generally as Figure 1-3:
First conductive layer 12 is generally the ITO conductive layer;
Second conductive layer 15, identical with the material of first conductive layer 12, also be the ITO conductive layer;
The second electrode lay 16, the mode of printing of thin shape is printed in the edge of second conductive layer 15, and the material of described the second electrode lay 16 is generally the silver slurry, and described the second electrode lay 16 also is divided into two sections, and every segment electrode is provided with an electrode input end;
Flexible print circuit board (FPC) 10 overlays between first conductive layer 12 and second conductive layer 15, is connected with the electrode input end of first electrode layer 13 and the second electrode lay 16, makes up by the overlaying of the substrate and the substrate that rolls off the production line of reaching the standard grade and realizes being electrically connected.
Further, the outside surface of first conductive layer 12 also is fitted with supporting substrate 11 by second tack coat 17, is used to increase the intensity of whole resistive touch screen.
Further, the outside surface of second conductive layer 15 also is fitted with decorative layer 20 by the 3rd tack coat 21, is used to increase the attractive in appearance of whole resistive touch screen.
Further, the back side that needs to be folded into supporting substrate 11 after flexible printed circuit board 10 is assembled with casing, for the ease of flexible print circuit board (FPC) 10 overlay and prevent the assembling of resistive touch screen and casing the time inconsistent and interfere effect, therefore at supporting substrate 11, second tack coat 17, first conductive layer 12, first insulation course 18, the edge of first tack coat 14 and second insulation course 19 offers breach 111 respectively, 171,121,181,141 and 191, its objective is for after flexible print circuit board 10 is folded into supporting substrate 11 back sides, do not conflict with casing.
But, the extraction location of the flexible printed circuit board 10 in the existing structure is generally in the circumferential edges position of resistive touch screen, please refer to shown in Figure 4, when resistive touch screen and casing assembling, do not have double faced adhesive tape between the outlet position of FPC lead-in wire and the casing, have the slit, the outside water capacity is (seeing the sign A among Fig. 4) on the lead-in wire along the casing edge penetration to FPC easily, enter into touch-screen inside along lead-in wire then, and then influence product function.
Summary of the invention
The purpose of this utility model is to solve the technical matters that existing resistive touch screen can not waterproof, and a kind of novel resistive touch screen is provided, and can be applied to have good waterproof ability in the environment of high humidity, has wide range of applications.
A kind of resistive touch screen comprises first conductive layer, second conductive layer, first tack coat and flexible print circuit board, is formed at first electrode layer at the first conductive layer edge, is arranged at first insulation course on first electrode layer; Be formed at the second electrode lay at the second conductive layer edge, be arranged at second insulation course on the second electrode lay; Described first tack coat is located between first insulation course and second insulation course, be respectively equipped with the first corresponding through hole on wherein said first conductive layer, first insulation course, first tack coat and second insulation course, one end of described flexible print circuit board is electrically connected with first electrode layer and the second electrode lay, and the other end stretches out outside described first conductive layer after passing first through hole of described second insulation course, first tack coat, first insulation course and first conductive layer in proper order.
Further, also comprise supporting substrate, described supporting substrate is fitted by second tack coat and first conductive layer, is respectively equipped with on the described supporting substrate and second tack coat and the first through hole corresponding second through hole.
Further, described back up pad is polycarbonate substrate or polymethyl methacrylate base plate or glass substrate.
Further, also comprise decorative layer, described decorative layer is fitted by the 3rd tack coat and second conductive layer.
Further, be respectively equipped with the third through-hole corresponding on described second conductive layer and the 3rd tack coat with first through hole.
Further, described first through hole, second through hole and third through-hole from the antermarginal distance of touch-screen profile more than or equal to 1 millimeter.
Further, described the 3rd tack coat and second tack coat are the optics glue-line.
Further, an end of described flexible print circuit board is electrically connected by anisotropy conductiving glue with first electrode layer and the second electrode lay.
Further, the distance between described first electrode layer and the second electrode lay is the 0.05-0.125 millimeter.
Further, described first tack coat is a layers of two-sided.
The resistive touch screen that the utility model provides, by on described first conductive layer, first insulation course, first tack coat and second insulation course, being respectively equipped with the first corresponding through hole, one end of described flexible print circuit board is electrically connected with first electrode layer and the second electrode lay, and the other end stretches out outside described first conductive layer after passing first through hole of described second insulation course, first tack coat, first insulation course and first conductive layer in proper order.Therefore, the outlet of flexible print circuit board does not have the circumferential edges at resistive touch screen, but in the inside of touch-screen, the double faced adhesive tape that has all around of casing seals when touch-screen and casing assembling, anti-sealing enters its product inside along slit, touch-screen edge, can be applied to have good waterproof ability in the environment of high humidity, have wide range of applications.
Description of drawings
Fig. 1 is that the master of the resistive touch screen that provides of prior art looks synoptic diagram.
Fig. 2 is the schematic side view of the resistive touch screen that provides of prior art.
Fig. 3 is the perspective exploded view of the resistive touch screen that provides of prior art.
Fig. 4 is that resistive touch screen and the casing that prior art provides assembled the position view that back water enters.
Fig. 5 is the schematic rear view of the resistive touch screen that provides of the utility model.
Fig. 6 is the schematic side view of the resistive touch screen that provides of the utility model.
Fig. 7 is the perspective exploded view of the resistive touch screen that provides of the utility model.
Embodiment
Clearer for technical matters, technical scheme and beneficial effect that the utility model is solved, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
Please refer to shown in Fig. 5-7, a kind of resistive touch screen, comprise first conductive layer 32, second conductive layer 35, first tack coat 34 and flexible print circuit board 30, be formed at first electrode layer 33 at first conductive layer, 32 edges, be arranged at first insulation course 38 on first electrode layer 33; Be formed at the second electrode lay 36 at second conductive layer, 35 edges, be arranged at second insulation course 39 on the second electrode lay 36; Described first tack coat 34 is located between first insulation course 38 and second insulation course 39, be respectively equipped with the first corresponding through hole 321,381,341 and 391 on wherein said first conductive layer 32, first insulation course 38, first tack coat 34 and second insulation course 39, one end 301 of described flexible print circuit board 30 is electrically connected with first electrode layer 33 and the second electrode lay 36, and the other end 302 order is stretched out outside described first conductive layer 32 after passing first through hole 321,381,341 and 391 of described second insulation course, first tack coat, first insulation course and first conductive layer.
The resistive touch screen that the utility model provides, by on described first conductive layer, first insulation course, first tack coat and second insulation course, being respectively equipped with the first corresponding through hole, one end of described flexible print circuit board is electrically connected with first electrode layer and the second electrode lay, and the other end stretches out outside described first conductive layer after passing first through hole of described second insulation course, first tack coat, first insulation course and first conductive layer in proper order.Therefore, the outlet of flexible print circuit board does not have the circumferential edges at resistive touch screen, but in the inside of touch-screen, the double faced adhesive tape that has all around of casing seals when touch-screen and casing assembling, anti-sealing enters its product inside along slit, touch-screen edge, can be applied to have good waterproof ability in the environment of high humidity, have wide range of applications.
In the resistive touch screen that the utility model provides, the material of first conductive layer 32, second conductive layer 35 can be a transparent conductive film, is formed with transparency conducting layer on this conductive film.Therefore, in order further to improve the intensity of whole touch screen, also comprise supporting substrate 31, described supporting substrate 31 is fitted by second tack coat 37 and first conductive layer 32.Correspondingly, the position that also is respectively equipped with second through hole 311 that passes for flexible print circuit board 30 and 371, the second through holes 311 and 371 on the described supporting substrate 31 and second tack coat 37 is corresponding with aforementioned first through hole, so that flexible print circuit board passes.
The material of described back up pad can be polycarbonate (PC) substrate or polymethylmethacrylate (PMMA) substrate or glass substrate, and the material of described second tack coat is optical cement or liquid glue.Further, enter its inside in order to prevent outside water along the edge of resistive touch screen, therefore require second tack coat 37 and supporting substrate 11 also will have good material collocation, fillibility will be got well, and it is high that adhesion is wanted.Preferably, described supporting substrate is a glass substrate, and described two tack coats 37 are the optics glue-line.
In order to improve the overall appearance of resistive touch screen, also comprise decorative layer 40, described decorative layer 40 is fitted by three tack coats 41 and second conductive layer 35.Described decorative layer 40 repeats no more with of the prior art similar; The selection of the 3rd tack coat 41 and second tack coat, 37 materials is similar, is preferably the optics glue-line.Further, also can be respectively equipped with the third through-hole 351 and 411 that passes for flexible print circuit board 30 on described second conductive layer 35 and the 3rd tack coat 41, third through-hole 351 and 411 position are corresponding with aforementioned first through hole, so that flexible print circuit board passes.
From the above, the through hole that also can not pass on described second conductive layer 35 and the 3rd tack coat 41 for flexible print circuit board 30, its reason is relevant with the manufacture craft of the utility model resistive touch screen.Particularly, after reach the standard grade substrate and roll off the production line substrate in combination, cutting forming, just begin to assemble hot pressing flexible print circuit board 30; Before hot pressing, need be placed on flexible print circuit board 30 between first electrode layer 33 and the second electrode lay 36, and the mode of placing can have two kinds according to the difference of its touch screen design: first kind of mode, from second through hole 311 of supporting substrate 31, insert, successively through behind second through hole 371, first through hole 321,381,341 and 391, be positioned between first electrode layer 33 and the second electrode lay 36, simultaneously can on last roll off the production line substrate and flexible print circuit board 30, alignment mark be set, be convenient to further contraposition and use.The second way, from the third through-hole 411 of the 3rd tack coat 41, insert,, be positioned between first electrode layer 33 and the second electrode lay 36 through behind the third through-hole 351, in like manner can on last roll off the production line substrate and flexible print circuit board 30, alignment mark be set, be convenient to further contraposition and use.
But, the flexible print circuit board 30 of first kind of mode is to insert from supporting substrate 31, one end 301 of flexible print circuit board 30 is between first electrode layer 33 and the second electrode lay 36, and the other end 302 is positioned at supporting substrate 31 back sides, when hot pressing flexible print circuit board 30, the back side of supporting substrate 31 is to contact with the board surface of hot press, but because the other end 302 of flexible print circuit board 30 is positioned at supporting substrate 31 back sides, so the board surface may exert an influence to the contraposition of flexible print circuit board 30, be unfavorable for carrying out smoothly of its hot pressing.And the flexible print circuit board 30 of the second way inserts from the 3rd tack coat 41, one end 301 of flexible print circuit board 30 is between first electrode layer 33 and the second electrode lay 36, and the other end 302 is positioned at the surface of the 3rd tack coat 41, when hot pressing flexible print circuit board 30, the back side of supporting substrate 31 contacts with the board of hot press surface, the other end 302 of flexible print circuit board 30 is positioned at the surface of the 3rd tack coat 41, can the contraposition of flexible print circuit board 30 not exerted an influence, help carrying out smoothly of its hot pressing.
Therefore, flexible print circuit board hot pressing of the present utility model preferentially adopts the second way to carry out, the mode of hot pressing and of the prior art similar, different according to material and flexible print circuit board size design, the temperature of flexible print circuit board, time and pressure can be different.As a kind of concrete embodiment, one end 301 of described flexible print circuit board and first electrode layer 33 and the second electrode lay 36 are by anisotropy conductiving glue (Anisotropic Conductive Print, be called for short ACP) be electrically connected, the temperature of described hot pressing is 140-160 degree, time 12-15 second, pressure 3-3.5 MPa.After hot pressing was intact, the other end 302 of flexible print circuit board 30 was earlier by described third through-hole, first through hole and second through hole, and second through hole 311 from supporting substrate 31 passes then, is bent to the back side of supporting substrate 31, the decorative layer 40 of fitting at last.Preferably, in order to guarantee the touch effect of product yield and product, the distance between described first electrode layer 33 and the second electrode lay 36 is the 0.05-0.125 millimeter.If greater than 0.125 millimeter, the on-stream pressure of touch-screen can be bigger, and influence touches effect; If less than 0.05 millimeter, Newton ring appears in the production process easily, reduce the product yield, reduce benefit.
Further, in order to improve described first through hole, second through hole and third through-hole sealing from this section of touch-screen edge, guarantee the bonding width of tack coat, described first through hole, second through hole and third through-hole from the antermarginal distance of touch-screen profile more than or equal to 1 millimeter, described proximal edge be meant through hole from the profile of touch-screen nearer beyond.Can prevent effectively that so outside water from entering touch-screen inside by the glue-line of each layer of touch-screen bonding usefulness, thereby produce bad.
Preferably, described first tack coat 34 is a layers of two-sided.Certainly, described first tack coat 34 also can be for forming glue-line respectively on first insulation course 38 and second insulation course 39, after the substrate in combination that rolls off the production line then, common first tack coat 34 that forms of glue-line on first insulation course 38 and second insulation course 39, its first tack coat 34 does not have concrete restriction, as long as first insulation course 38 and second insulation course 39 can be realized effectively combination.
The above only is preferred embodiment of the present utility model; not in order to restriction the utility model; all any modifications of within spirit of the present utility model and principle, being done, be equal to and replace and improvement etc., all should be included within the protection domain of the present utility model.
Claims (10)
1. a resistive touch screen comprises first conductive layer, second conductive layer, first tack coat and flexible print circuit board, is formed at first electrode layer at the first conductive layer edge, is arranged at first insulation course on first electrode layer; Be formed at the second electrode lay at the second conductive layer edge, be arranged at second insulation course on the second electrode lay; Described first tack coat is located between first insulation course and second insulation course, it is characterized in that, be respectively equipped with the first corresponding through hole on described first conductive layer, first insulation course, first tack coat and second insulation course, one end of described flexible print circuit board is electrically connected with first electrode layer and the second electrode lay, and the other end stretches out outside described first conductive layer after passing first through hole of described second insulation course, first tack coat, first insulation course and first conductive layer in proper order.
2. resistive touch screen according to claim 1, it is characterized in that, also comprise supporting substrate, described supporting substrate is fitted by second tack coat and first conductive layer, is respectively equipped with on the described supporting substrate and second tack coat and the first through hole corresponding second through hole.
3. resistive touch screen according to claim 2 is characterized in that, described back up pad is polycarbonate substrate or polymethyl methacrylate base plate or glass substrate.
4. resistive touch screen according to claim 2 is characterized in that, also comprises decorative layer, and described decorative layer is fitted by the 3rd tack coat and second conductive layer.
5. resistive touch screen according to claim 4 is characterized in that, is respectively equipped with the third through-hole corresponding with first through hole on described second conductive layer and the 3rd tack coat.
6. resistive touch screen according to claim 5 is characterized in that, described first through hole, second through hole and third through-hole from the antermarginal distance of touch-screen profile more than or equal to 1 millimeter.
7. resistive touch screen according to claim 4 is characterized in that, described the 3rd tack coat and second tack coat are the optics glue-line.
8. resistive touch screen according to claim 1 is characterized in that, an end of described flexible print circuit board is electrically connected by anisotropy conductiving glue with first electrode layer and the second electrode lay.
9. resistive touch screen according to claim 8 is characterized in that, the distance between described first electrode layer and the second electrode lay is the 0.05-0.125 millimeter.
10. resistive touch screen according to claim 1 is characterized in that, described first tack coat is a layers of two-sided.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206769062U CN201936288U (en) | 2010-12-23 | 2010-12-23 | Resistance type touch screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206769062U CN201936288U (en) | 2010-12-23 | 2010-12-23 | Resistance type touch screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201936288U true CN201936288U (en) | 2011-08-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206769062U Expired - Lifetime CN201936288U (en) | 2010-12-23 | 2010-12-23 | Resistance type touch screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201936288U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103176640A (en) * | 2011-12-24 | 2013-06-26 | 宸鸿科技(厦门)有限公司 | Touch panel and manufacturing method thereof |
| CN108803956A (en) * | 2018-06-27 | 2018-11-13 | 东莞市显触光电科技有限公司 | A kind of double-layer structure band decoration panel pure-surface abnormity four-wire resistance type touch screen |
-
2010
- 2010-12-23 CN CN2010206769062U patent/CN201936288U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103176640A (en) * | 2011-12-24 | 2013-06-26 | 宸鸿科技(厦门)有限公司 | Touch panel and manufacturing method thereof |
| CN108803956A (en) * | 2018-06-27 | 2018-11-13 | 东莞市显触光电科技有限公司 | A kind of double-layer structure band decoration panel pure-surface abnormity four-wire resistance type touch screen |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHENZHEN BYD ELECTRONIC COMPONENT CO., LTD. Free format text: FORMER OWNER: BIYADI CO., LTD. Effective date: 20150828 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150828 Address after: 518119 Guangdong province Shenzhen City Dapeng new Kwai town Yanan Road No. 1 building experimental Byd Co Patentee after: Shenzhen BYD Electronic Component Co., Ltd. Address before: BYD 518118 Shenzhen Road, Guangdong province Pingshan New District No. 3009 Patentee before: Biyadi Co., Ltd. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 518119 Guangdong province Shenzhen City Dapeng new Kwai town Yanan Road No. 1 building experimental Byd Co Patentee after: Shenzhen helitai photoelectric Co., Ltd Address before: 518119 Guangdong province Shenzhen City Dapeng new Kwai town Yanan Road No. 1 building experimental Byd Co Patentee before: SHENZHEN BYD ELECTRONIC COMPONENT Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110817 |
|
| CX01 | Expiry of patent term |