CN204576461U - Touch-screen and induction module thereof - Google Patents
Touch-screen and induction module thereof Download PDFInfo
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- CN204576461U CN204576461U CN201520256095.3U CN201520256095U CN204576461U CN 204576461 U CN204576461 U CN 204576461U CN 201520256095 U CN201520256095 U CN 201520256095U CN 204576461 U CN204576461 U CN 204576461U
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Abstract
Touch-screen and induction module thereof, wherein a kind of induction module of touch-screen comprises transparency carrier, conducting film and flexible PCB.Transparency carrier comprises front and the back side, and conducting film fits in the back side, comprises viewing area and is positioned at the non-viewing area at edge, viewing area, non-viewing area is provided with conductive lead wire; Flexible PCB is positioned at an edge at the back side of transparency carrier, comprise the connecting portion be electrically connected with conducting film, connecting portion is provided with binding pin, binding pin is electrically connected with conductive lead wire, the both sides in the binding region of conducting film and connecting portion are provided with barrier wall, barrier wall is adjacent to the both sides of connecting portion, prevents from binding the side that region exposes to conducting film.Therefore the binding region of flexible PCB and conducting film can be effectively avoided to be corroded.A kind of touch-screen of this induction module of application is provided simultaneously.
Description
Technical field
The utility model relates to touch screen technology field, particularly relates to a kind of touch-screen and induction module thereof.
Background technology
Traditional diaphragm type touch-screen comprises cover-plate glass, be combined in the flexible PCB at touch-screen edge by double faced adhesive tape (Flexible Printed Circuit board, FPC), fitted in the flexible conductive film of cover-plate glass by OCA (Optical Clear Adhesive) optical cement.Flexible PCB and flexible conductive film need pressing to bind and are electrically connected, and in order to reduce impedance, the non-viewing area of flexible conductive film arranges plain conductor at (comprising this binding district), and the junction of flexible PCB is also provided with exposed metal pins.Therefore, very high to the requirement of Defend salt fog herein, usually can at binding district's sealing Defend salt fog.
But salt mist experiment and actual use show, binding place of flexible PCB and flexible conductive film corrosion the most easily occurs and causes loose contact.In traditional handicraft, binding place of flexible PCB and flexible conductive film, usually near the edge of flexible conductive film, makes outside aqueous vapor easily enter binding place of flexible PCB and flexible conductive film, this region is more easily corroded.
Utility model content
Based on this, be necessary for the problems referred to above, provide a kind of can effectively avoid binding place of flexible PCB and flexible conductive film to be corroded touch-screen and induction module.
An induction module for touch-screen, comprising:
Transparency carrier, the back side comprising front and arrange back on described front;
Conducting film, fits in the described back side, and described conducting film comprises viewing area and is positioned at the non-viewing area at edge, viewing area, and described non-viewing area is provided with conductive lead wire; And
Flexible PCB, be positioned at an edge at the back side of described transparency carrier, described flexible PCB comprises the connecting portion be electrically connected with described conducting film, described connecting portion is provided with binding pin, described connecting portion is bound with described conducting film and is made that the binding pin on described connecting portion is corresponding with the conductive lead wire on described non-viewing area to be electrically connected, the both sides in the binding region of described conducting film and described connecting portion are provided with barrier wall, and described barrier wall is adjacent to the both sides of described connecting portion.
Wherein in an embodiment, described barrier wall is outstanding is formed at described conducting film one end, and is shaped in described conducting film.
Wherein in an embodiment, described barrier wall has the first bending profile towards the lateral margin of described connecting portion, and described connecting portion has the second bending profile with described first bending profile complementation towards the lateral margin of described barrier wall.
Wherein in an embodiment, also comprise fluid sealant, described fluid sealant painting is located at the seam crossing of described conducting film and described connecting portion and extends to the two ends of described connecting portion and the seam crossing of described barrier wall.
Wherein in an embodiment, also comprise optical cement layer, described optical cement layer is layered between described transparency carrier and described conducting film, and described connecting portion is bundled between described optical cement layer and described conducting film.
Wherein in an embodiment, described conductive lead wire is metal lead wire, and described binding pin is metal pins.
Wherein in an embodiment, described conducting film is flexible conductive film.
Wherein in an embodiment, described conducting film is ITO conducting film, comprises flexible parent metal and is formed at the ITO conductive layer on described flexible parent metal.
A kind of touch-screen, comprise induction module as described in above any one and with as described in the drive circuit module that is electrically connected of flexible PCB, the front of described transparency carrier is the touch front of described touch-screen.
Above-mentioned touch-screen and induction module thereof at least have the following advantages:
During assembling, connecting portion is bound with conducting film and is made that the binding pin of connecting portion is corresponding with the conductive lead wire on non-viewing area to be electrically connected, the both sides in the binding region of conducting film and connecting portion are provided with barrier wall, barrier wall plays barrier effect, binding for preventing the side that region exposes to conducting film, therefore can effectively avoid the binding region of flexible PCB and conducting film to be corroded.
Accompanying drawing explanation
Fig. 1 is the rear view of the induction module of touch-screen in an embodiment;
Fig. 2 is the side sectional view of the induction module of touch-screen shown in Fig. 1;
Fig. 3 is the partial enlarged drawing at A place in Fig. 2.
Embodiment
For enabling above-mentioned purpose of the present utility model, feature and advantage become apparent more, are described in detail embodiment of the present utility model below in conjunction with accompanying drawing.Set forth a lot of detail in the following description so that fully understand the utility model.But the utility model can be much different from alternate manner described here to implement, those skilled in the art can when doing similar improvement without prejudice to when the utility model intension, and therefore the utility model is by the restriction of following public concrete enforcement.
Term as used herein " vertical ", " level ", "left", "right" and similar statement just for illustrative purposes, do not represent it is unique embodiment.
Unless otherwise defined, all technology used herein and scientific terminology are identical with belonging to the implication that those skilled in the art of the present utility model understand usually.The object of the term used in instructions of the present utility model herein just in order to describe specific embodiment, is not intended to be restriction the utility model.Term as used herein " and/or " comprise arbitrary and all combinations of one or more relevant Listed Items.
Referring to Fig. 1 to Fig. 3, is the induction module 100 of the touch-screen in an embodiment, comprises transparency carrier 110, conducting film 120 and flexible PCB 130.This induction module 100 can be applied to different touch-screens, such as thin-film type capacitance touch-screen or diaphragm type electric resistance touch screen etc.Specifically in the illustrated embodiment in which, be described for thin-film type capacitance touch-screen.Thin-film type capacitance touch-screen can be divided into individual layer inductance capacitance touch-screen, double-deck inductance capacitance touch-screen etc.
Refer to Fig. 3, the back side 112 that transparency carrier 110 comprises front 111 and arranges back on front 111.The front 111 of transparency carrier 110 is the touch face of this touch-screen.Transparency carrier 110 can be transparency glass plate or transparent resin plate etc.Specific in present embodiment, transparency carrier 110 is transparency glass plate.
Refer to Fig. 1 and Fig. 3, conducting film 120 fits in the back side 112 of transparency carrier 110.Conducting film 120 comprises viewing area 121 and is positioned at the non-viewing area 122 at edge, viewing area 121.The middle part of conducting film 120 is viewing area 121, and edge is non-viewing area 122, and non-viewing area 122 is arranged around viewing area 121.Non-viewing area 122 is provided with conductive lead wire 1221, and particularly, conductive lead wire 1221 is arranged at the back side 112 that conducting film 120 is intended for transparency carrier 110.Conductive lead wire 1221 can be metal lead wire.
Specific in present embodiment, conducting film 120 is flexible conductive film.Such as, conducting film 120 can for being formed in the ITO conducting film that flexible parent metal obtains by ITO conductive layer.Flexible parent metal is generally the organic substrate such as PET (Polyethylene terephthalate, polyethylene terephthalate), PC (Polycarbonate, polycarbonate), COP.
Flexible PCB 130 is positioned at an edge at the back side 112 of transparency carrier 110.Flexible PCB 130 comprises the connecting portion 131 be electrically connected with conducting film 120, connecting portion 131 is provided with binding pin (not shown).Connecting portion 131 is bound with conducting film 120 and is made that the binding pin (not shown) of connecting portion 131 is corresponding with the conductive lead wire 1221 on non-viewing area 122 to be electrically connected.Particularly, binding pin (not shown) can be metal pins.
Conducting film 120 is provided with barrier wall 140 with the both sides in the binding region of connecting portion 131, and barrier wall 140 is adjacent to the both sides of connecting portion 131, effectively can stop that extraneous salt fog enters binding region from the both sides of connecting portion 131.
Specific in present embodiment, the outstanding one end being formed at conducting film 120 of barrier wall 140, and one-body molded with the base material of conducting film 120.Particularly, only when the external form of conducting film 120 is die-cut, the outstanding formation in conducting film 120 one end barrier wall 140 need be retained, therefore without the need to increasing technique and flow process in addition, effectively reducing cost.
Further, barrier wall 140 has the first bending profile 141 towards the lateral margin of connecting portion 131.It is complementary with the second bending profile 1312 of corresponding barrier wall 140 that the two ends of connecting portion 131 have the second bending profile 1312, second bending profile 1312.Owing to having forniciform profile, increase the path that salt fog invades, be more conducive to preventing salt fog from entering binding region.
Refer to Fig. 1 and Fig. 3, specific in present embodiment, also comprise fluid sealant 160.Fluid sealant 160 is coated with along the seam crossing of conducting film 120 and connecting portion 131 and extends to the two ends of connecting portion 131 and the seam crossing of barrier wall 140, salt fog can be stoped to invade binding region by seam, improve the corrosion resistivity in binding region.Meanwhile, fluid sealant 160 gets loose with the binding region of conducting film 120 for preventing the connecting portion 131 of flexible PCB 130, plays pretension effect.
Specific in present embodiment, also comprise optical cement layer 170.Optical cement layer 170 is layered between transparency carrier 110 and conducting film 120, and the connecting portion 131 of flexible PCB 130 is bundled between optical cement layer 170 and conducting film 120.
The induction module 100 of above-mentioned touch-screen at least has the following advantages:
During assembling, connecting portion 131 is bound with conducting film 120 and is made that the binding pin (not shown) of connecting portion 131 is corresponding with the conductive lead wire 1221 on non-viewing area 122 to be electrically connected, conducting film 120 is provided with barrier wall 140 with the both sides in the binding region of connecting portion 131, barrier wall 140 barrier effects, binding for preventing the side that region exposes to conducting film 120, therefore can effectively avoid flexible PCB 130 to be corroded with the binding region of conducting film 120.
Meanwhile, the utility model also provides a kind of touch-screen, it drive circuit module comprising above-mentioned induction module 100 and be electrically connected with this flexible PCB 130, and wherein, the front 111 of transparency carrier 110 is the touch front of touch-screen.This drive circuit module drives this touch-screen by flexible PCB 130.
The above embodiment only have expressed several embodiment of the present utility model, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.
Claims (9)
1. an induction module for touch-screen, is characterized in that, comprising:
Transparency carrier, the back side comprising front and arrange back on described front;
Conducting film, fits in the described back side, and described conducting film comprises viewing area and is positioned at the non-viewing area at edge, viewing area, and described non-viewing area is provided with conductive lead wire; And
Flexible PCB, be positioned at an edge at the back side of described transparency carrier, described flexible PCB comprises the connecting portion be electrically connected with described conducting film, described connecting portion is provided with binding pin, described connecting portion is bound with described conducting film and is made that the binding pin on described connecting portion is corresponding with the conductive lead wire on described non-viewing area to be electrically connected, the both sides in the binding region of described conducting film and described connecting portion are provided with barrier wall, and described barrier wall is adjacent to the both sides of described connecting portion.
2. induction module according to claim 1, is characterized in that, described barrier wall is outstanding is formed at described conducting film one end, and is shaped in described conducting film.
3. induction module according to claim 2, it is characterized in that, described barrier wall has the first bending profile towards the lateral margin of described connecting portion, and described connecting portion has the second bending profile with described first bending profile complementation towards the lateral margin of described barrier wall.
4. induction module according to claim 3, is characterized in that, also comprises fluid sealant, and described fluid sealant painting is located at the seam crossing of described conducting film and described connecting portion and extends to the two ends of described connecting portion and the seam crossing of described barrier wall.
5. induction module according to claim 1, is characterized in that, also comprises optical cement layer, and described optical cement layer is layered between described transparency carrier and described conducting film, and described connecting portion is bundled between described optical cement layer and described conducting film.
6. induction module according to claim 1, is characterized in that, described conductive lead wire is metal lead wire, and described binding pin is metal pins.
7. induction module according to claim 1, is characterized in that, described conducting film is flexible conductive film.
8. induction module according to claim 7, is characterized in that, described conducting film is ITO conducting film, comprises flexible parent metal and is formed at the ITO conductive layer on described flexible parent metal.
9. a touch-screen, is characterized in that, the drive circuit module comprising induction module as claimed in any of claims 1 to 8 in one of claims and be electrically connected with described flexible PCB, and the front of described transparency carrier is the touch front of described touch-screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520256095.3U CN204576461U (en) | 2015-04-24 | 2015-04-24 | Touch-screen and induction module thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520256095.3U CN204576461U (en) | 2015-04-24 | 2015-04-24 | Touch-screen and induction module thereof |
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| CN204576461U true CN204576461U (en) | 2015-08-19 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106155400A (en) * | 2015-04-24 | 2016-11-23 | 南昌欧菲光科技有限公司 | Touch screen and induction module thereof |
| CN106293210A (en) * | 2016-08-01 | 2017-01-04 | 京东方科技集团股份有限公司 | A kind of touch base plate and preparation method thereof, contact panel, touch control display apparatus |
| CN109154871A (en) * | 2016-05-12 | 2019-01-04 | 阿尔卑斯电气株式会社 | Input unit |
| CN109920331A (en) * | 2019-02-23 | 2019-06-21 | 昆山工研院新型平板显示技术中心有限公司 | Display panel and display device |
-
2015
- 2015-04-24 CN CN201520256095.3U patent/CN204576461U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106155400A (en) * | 2015-04-24 | 2016-11-23 | 南昌欧菲光科技有限公司 | Touch screen and induction module thereof |
| CN109154871A (en) * | 2016-05-12 | 2019-01-04 | 阿尔卑斯电气株式会社 | Input unit |
| CN106293210A (en) * | 2016-08-01 | 2017-01-04 | 京东方科技集团股份有限公司 | A kind of touch base plate and preparation method thereof, contact panel, touch control display apparatus |
| WO2018024097A1 (en) * | 2016-08-01 | 2018-02-08 | 京东方科技集团股份有限公司 | Touch substrate and manufacturing method therefor, touch panel, and touch display device |
| CN109920331A (en) * | 2019-02-23 | 2019-06-21 | 昆山工研院新型平板显示技术中心有限公司 | Display panel and display device |
| US11481052B2 (en) | 2019-02-23 | 2022-10-25 | Kunshan New Flat Panel Display Technology Center Co., Ltd. | Display panel, production method and display device thereof |
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Address after: 330000 Jiangxi city of Nanchang province Huangjiahu road Nanchang economic and Technological Development Zone Patentee after: Nanchang OFilm Tech. Co.,Ltd. Patentee after: Ophiguang Group Co.,Ltd. Patentee after: SUZHOU OFILM TECH Co.,Ltd. Address before: 330000 Jiangxi city of Nanchang province Huangjiahu road Nanchang economic and Technological Development Zone Patentee before: Nanchang OFilm Tech. Co.,Ltd. Patentee before: OFilm Tech Co.,Ltd. Patentee before: SUZHOU OFILM TECH Co.,Ltd. Address after: 330000 Jiangxi city of Nanchang province Huangjiahu road Nanchang economic and Technological Development Zone Patentee after: Nanchang OFilm Tech. Co.,Ltd. Patentee after: OFilm Tech Co.,Ltd. Patentee after: SUZHOU OFILM TECH Co.,Ltd. Address before: 330000 Jiangxi city of Nanchang province Huangjiahu road Nanchang economic and Technological Development Zone Patentee before: Nanchang OFilm Tech. Co.,Ltd. Patentee before: Shenzhen OFilm Tech Co.,Ltd. Patentee before: SUZHOU OFILM TECH Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210423 Address after: 231323 Building 1, precision electronics industrial park, Hangbu Town, Shucheng County, Lu'an City, Anhui Province Patentee after: Anhui jingzhuo optical display technology Co.,Ltd. Address before: 330000 Jiangxi city of Nanchang province Huangjiahu road Nanchang economic and Technological Development Zone Patentee before: Nanchang OFilm Tech. Co.,Ltd. Patentee before: Ophiguang Group Co.,Ltd. Patentee before: SUZHOU OFILM TECH Co.,Ltd. |