CN202838280U - Thin-film sensor, capacitive touch screen containing the same and terminal product thereof - Google Patents
Thin-film sensor, capacitive touch screen containing the same and terminal product thereof Download PDFInfo
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- CN202838280U CN202838280U CN 201220425104 CN201220425104U CN202838280U CN 202838280 U CN202838280 U CN 202838280U CN 201220425104 CN201220425104 CN 201220425104 CN 201220425104 U CN201220425104 U CN 201220425104U CN 202838280 U CN202838280 U CN 202838280U
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- touch screen
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Abstract
The utility model relates to a thin-film sensor, a capacitive touch screen containing the same and a terminal product thereof. The thin-film sensor is only provided with one optically transparent substrate, and two surfaces of the substrate are respectively provided with a sensing electrode layer and a driving electrode layer in a plating mode. Reducing of the thickness of the thin-film sensor is facilitated, and thereby developing toward a light and thin direction for touch screens and touch electronic products is facilitated.
Description
Technical field
The utility model relates to the film inductor, comprises capacitance touch screen and the end product thereof of this inductor.
Background technology
At present, the fashionable market of hand touch smart electronics product, the good human-computer interaction performance of capacitive touch screen has obtained extensive approval, and the rapid expansion in capacitance plate market has also promoted the development of this art.
Capacitive touch screen roughly can be divided into the glass capacitive screen and thin-film capacitor shields by the material of inductor.The thin film capacitor type touch-screen is light because of the inductor of its inductor weight ratio glass capacitive screen, and membraneous material can adopt the mode of production of volume to volume (Roll to Roll), be conducive to large-scale production, reduce production costs, so the thin film capacitor type touch-screen is widely used in mobile phone, on panel computer and the super notebook computer, its market scale is suitable with glass capacitive formula touch-screen.
Traditional thin film capacitor type touch-screen, its inductor is to be bonded by optical cement by two-layer transparent conductive film, specifically, at first make conductive film, namely make electrode layer at the upper surface of two transparent film substrates respectively, and then by optical cement two-layer conductive film is fitted up and down, (upper strata is the induction electrode layer to two-layer electrode layer up and down, lower floor is drive electrode layer) between spacing be the thickness that the thin film base material adds one deck optical cement, and the below of drive electrode layer also has the thickness of thin film base material.
The thickness of traditional film inductor is thicker, can increase the thickness of touch-screen, is unfavorable for that touch-screen and hand get an electric shock sub-product to lightening future development; And consumptive material is many, and cost is high, and production process comparatively bothers.
The utility model content
Based on this, be badly in need of a kind of thinner film inductor and thinner thin film capacitor type touch-screen.
The utility model provides a kind of film inductor for capacitance touch screen on the one hand, described film inductor comprises induction electrode layer and drive electrode layer, described film inductor also comprises an optically transparent base material, described base material has two surfaces, and described two surfaces are plated respectively and are provided with described induction electrode layer and described drive electrode layer; Described base material comprises the first film, the plating that plating is provided with described induction electrode layer and is provided with the second film, the optically transparent bonding part between described the first film and the second film of described drive electrode layer, and it is bonding that described the first film and the second film pass through bonding part.
Described optically transparent bonding part can be optical cement, and perhaps both side surface scribbles respectively the whole optically transparent parts of optical cement.
Adopt the film inductor that is used for capacitance touch screen of technique scheme, it only has a photoconductive base material, specifically, only has an optically transparent base material, two surfaces of this base material are plated respectively and are established induction electrode layer and drive electrode layer, be conducive to reduce the thickness of film inductor, thereby be conducive to touch-screen and hand gets an electric shock sub-product to lightening future development.
Among embodiment, described the first film and the second film all adopt the PET material therein, and described the first film and the second film are bonding by optical cement.
Among embodiment, the thickness of described base material is 0.05 ~ 0.2mm therein.
Among embodiment, described induction electrode layer and described drive electrode layer all adopt optically transparent conductive material ITO therein.The making of described induction electrode layer and drive electrode layer all is to establish one deck ITO conducting film in the film surface plating, and forms separately corresponding needed ITO pattern by etching.
Among embodiment, the side surface away from described base material of described induction electrode layer and described drive electrode layer all is provided with the metal electrode lead-in wire therein.Specifically, induction electrode layer and drive electrode layer plating are located on the film, and establish metal film in the side surface plating that does not have attaching film separately, and etching forms separately corresponding metal electrode lead-in wire.Described metal film can be the known metal film that can be used for capacitance touch screen inductor electrode layer of copper film, aluminium film, silverskin or other those skilled in the art, and is same, and described metal electrode lead-in wire can be copper lead-in wire, aluminum lead, silver wire etc.
Among embodiment, described induction electrode layer is electrically connected by flexible printed circuit board mutually with described drive electrode layer therein.Therein in preferred embodiment, the induction electrode layer is the X axis turning circuit, drive electrode layer is the Y-direction turning circuit, flexible printed circuit board comprises the first and the second portion that is connected the Y-axis turning circuit that connects the X axis turning circuit, wherein first is electrically connected with the induction electrode layer by anisotropic conductive, and second portion is electrically connected with drive electrode layer by anisotropic conductive.
The utility model provides a kind of capacitance touch screen on the other hand, and it comprises cover plate and above-mentioned film inductor, and described induction electrode layer is compared with drive electrode layer, and the described cover plate of described induction electrode leafing is relatively near.
Among embodiment, the induction electrode layer of described film inductor and described cover plate are bonding by optical cement therein.
Among embodiment, described optical cement is the OCA optical cement therein, and thickness is 50 microns-100 microns.In preferred embodiment, the transmittance of optical cement reaches more than 95% therein.Thereby guarantee bonding permanance and guarantee color and sufficient display brightness.
Among embodiment, described cover plate is special-shaped tempering glass material therein.Also can adopt other glass material cover plates that can be used for touch-screen known in the art.
Among embodiment, a side surface of described cover plate is provided with the form housing therein, and this side surface and described induction electrode layer that is provided with the form housing is bonding by optical cement.
The utility model provides a kind of touch screen terminal product more on the one hand, and it has comprised above-mentioned capacitance touch screen.
Description of drawings
Fig. 1 is the cross-sectional schematic of the capacitance touch screen of the utility model embodiment 1.
Embodiment
As shown in Figure 1, the cross-sectional schematic of the capacitance touch screen of the utility model embodiment 1, it comprises cover plate 10 and film inductor 20.
Described cover plate 10 is special-shaped tempering glass material cover plate.
Base material 23 is bonded base material 23 whole optical clears for the film (a PET film 231 and the 2nd PET film 232) by two-layer PET material by optical cement 233.
The lower surface plating that the plating of the upper surface of the one PET film 231 is provided with induction electrode layer 21, the two PET film 232 is provided with drive electrode layer 22, and induction electrode layer 21 is compared with drive electrode layer 22, induction electrode layer 21 from cover plate 10 relatively close to.
Side surface away from base material 23 of induction electrode layer 21 all is provided with metal electrode lead-in wire 24.Side surface away from base material 23 of drive electrode layer 22 all is provided with metal electrode lead-in wire 25.
Flexible printed circuit board is pressed together on film inductor 20 1 ends.The metal electrode of induction electrode layer 21 lead-in wire 24 and the metal electrode of drive electrode layer 22 go between and 25 mutually are electrically connected by flexible printed circuit board 40.
The above embodiment has only expressed several embodiment of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model claim.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 (7)
1. film inductor that is used for capacitance touch screen, described film inductor comprises induction electrode layer and drive electrode layer, it is characterized in that: described film inductor also comprises an optically transparent base material,
Described base material has two surfaces, and described two surfaces are plated respectively and are provided with described induction electrode layer and described drive electrode layer;
Described base material comprises the first film, the plating that plating is provided with described induction electrode layer and is provided with the second film, the optically transparent bonding part between described the first film and the second film of described drive electrode layer,
Described the first film and the second film are bonding by bonding part.
2. film inductor as claimed in claim 1, it is characterized in that: described the first film and the second film all adopt the PET material, and described the first film and the second film are bonding by optical cement.
3. film inductor as claimed in claim 1, it is characterized in that: the thickness of described base material is 0.05 ~ 0.2mm.
4. film inductor as claimed in claim 1 is characterized in that: the side surface away from described base material of described induction electrode layer and described drive electrode layer all is provided with the metal electrode lead-in wire.
5. capacitance touch screen, it comprises cover plate and such as the described film inductor of any one among the claim 1-4, described induction electrode layer is compared with drive electrode layer, and the described cover plate of described induction electrode leafing is relatively near.
6. capacitance touch screen as claimed in claim 5 is characterized in that, a side surface of described cover plate is provided with the form housing, and this side surface and described induction electrode layer that is provided with the form housing is bonding by optical cement.
7. touch screen terminal product, it comprises capacitance touch screen as claimed in claim 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220425104 CN202838280U (en) | 2012-08-24 | 2012-08-24 | Thin-film sensor, capacitive touch screen containing the same and terminal product thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220425104 CN202838280U (en) | 2012-08-24 | 2012-08-24 | Thin-film sensor, capacitive touch screen containing the same and terminal product thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202838280U true CN202838280U (en) | 2013-03-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220425104 Expired - Lifetime CN202838280U (en) | 2012-08-24 | 2012-08-24 | Thin-film sensor, capacitive touch screen containing the same and terminal product thereof |
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| CN (1) | CN202838280U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI494814B (en) * | 2013-05-30 | 2015-08-01 | Nanchang O Film Tech Co Ltd | Transparent conductive film |
| CN106449712A (en) * | 2016-11-07 | 2017-02-22 | 上海天马微电子有限公司 | Organic light-emitting display panel and organic light-emitting display device |
| CN106886321A (en) * | 2015-12-15 | 2017-06-23 | 群创光电股份有限公司 | Touch-control structure and preparation method and its application apparatus |
-
2012
- 2012-08-24 CN CN 201220425104 patent/CN202838280U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI494814B (en) * | 2013-05-30 | 2015-08-01 | Nanchang O Film Tech Co Ltd | Transparent conductive film |
| CN106886321A (en) * | 2015-12-15 | 2017-06-23 | 群创光电股份有限公司 | Touch-control structure and preparation method and its application apparatus |
| CN106449712A (en) * | 2016-11-07 | 2017-02-22 | 上海天马微电子有限公司 | Organic light-emitting display panel and organic light-emitting display device |
| CN106449712B (en) * | 2016-11-07 | 2019-03-29 | 上海天马微电子有限公司 | Organic light-emitting display panel and organic light-emitting display device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Guangming New District Gongming street Shenzhen city Guangdong province 518106 white pine road o-film Technology Park HUAFA Road Patentee after: Ophiguang Group Co.,Ltd. Address before: Guangming New District Gongming street Shenzhen city Guangdong province 518106 white pine road o-film Technology Park HUAFA Road Patentee before: OFilm Tech Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP03 | Change of name, title or address |
Address after: Guangming New District Gongming street Shenzhen city Guangdong province 518106 white pine road o-film Technology Park HUAFA Road Patentee after: OFilm Tech Co.,Ltd. Address before: Baoan District Gongming town of Shenzhen City, Guangdong province 518106 White Pine Road HUAFA Road Light Technology Park Patentee before: Shenzhen OFilm Tech Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210422 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: Guangming New District Gongming street Shenzhen city Guangdong province 518106 white pine road o-film Technology Park HUAFA Road Patentee before: Ophiguang Group Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130327 |
|
| CX01 | Expiry of patent term |