CN204009843U - A kind of Graphene capacitive touch screen - Google Patents
A kind of Graphene capacitive touch screen Download PDFInfo
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- CN204009843U CN204009843U CN201420331861.3U CN201420331861U CN204009843U CN 204009843 U CN204009843 U CN 204009843U CN 201420331861 U CN201420331861 U CN 201420331861U CN 204009843 U CN204009843 U CN 204009843U
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Abstract
A Graphene capacitive touch screen, comprises glass cover-plate and glass substrate, is respectively arranged with Graphene-ITO composite bed, polyimide plate and liquid crystal display layer between glass cover-plate and glass substrate from top to bottom; Described Graphene-ITO composite bed is a sandwich construction, and by realizing at two-layer graphene layer folder one deck ITO electrode mould, its top is bonding by tackifier and glass cover-plate, and at bottom laminating polyimide plate; Described liquid crystal display layer is fixed on metallic film, and top is bonding by adhesive and polyimide plate, in metallic film bottom, is provided with one deck graphene layer, and is fitted on glass substrate upper surface in this graphene layer bottom.The utility model has replaced conventional I TO film, can significantly improve photopermeability and the impedance uniformity of touch-screen Touch Zone, guarantees its physical property simultaneously.
Description
Technical field
The utility model relates to capacitive touch screen field, is specially a kind of Graphene capacitive touch screen.
Background technology
Along with growing with each passing day of multimedia information inquiry equipment, people touch touch-screen more and more, and touch-screen have sturdy and durable, reaction velocity fast, save space, be easy to the plurality of advantages such as man-machine communication.And capacitive touch screen with respect to resistive touch screen, sensitivity is higher, supports multi-point touch simultaneously, user can be clicking, double-click, translation, press, roll and the different gesture touch screen such as rotation, thereby realize and controlling better and more comprehensively.
And in the manufacture process of capacitance plate, consider the protection to conductive film layer, conventionally can use multilayer ito glass substrate structure, enough still anti-shearing force is poor for this multilayer ito glass substrate rigidity, crisp and frangible, during application, be easily worn or when bending, occur crackle, come off and affect serviceable life, and ITO material is just in time on the edge line of these those long relations that disappear of the transparency and electric conductivity, and high transparent and high conductivity are contrary each other character, thereby multilayer ito glass substrate can cause very large light loss, thereby need to strengthen back light, thereby cause the consumption of battery to increase, fuselage thermal value increases simultaneously.
Utility model content
The technical matters that the utility model solves is to provide a kind of Graphene capacitive touch screen, to solve the shortcoming in above-mentioned background technology.
The technical matters that the utility model solves realizes by the following technical solutions:
A Graphene capacitive touch screen, comprises glass cover-plate and glass substrate, is respectively arranged with Graphene-ITO composite bed, polyimide plate and liquid crystal display layer between glass cover-plate and glass substrate from top to bottom; Described Graphene-ITO composite bed is a sandwich construction, and by realizing at two-layer graphene layer folder one deck ITO electrode mould, its top is bonding by tackifier and glass cover-plate, and at bottom laminating polyimide plate; Described liquid crystal display layer is fixed on metallic film, and top is bonding by adhesive and polyimide plate, in metallic film bottom, is provided with one deck graphene layer, and is fitted on glass substrate upper surface in this graphene layer bottom.
In the utility model, described adhesive is to have water white transparency, light transmission rate at more than 90% OCA optics adhesive, and its bonding thickness is 50 ~ 80 μ m.
In the utility model, described metallic film is provided with chimb on marginal position, and silk-screen has conductive silver slurry or copper electrocondution slurry as lead-in wire in this chimb.
In the utility model, the atom number of plies of the two-layer graphene layer in Graphene-ITO composite bed is 3 ~ 5 layers, and transmittance is 90%, and resistivity is 400 Ω/Sq; And the atom number of plies of the graphene layer of metallic film bottom is 2 ~ 3 layers, transmittance >=88%, resistivity is 400 Ω/Sq.
Beneficial effect: the utility model adopts Graphene-ITO composite structure touch-screen module to replace traditional ITO transparency conducting layer, overcome ITO structure touch-screen physical property poor, the defect that simultaneously can cause the pattern color partial distortion that shows on liquid crystal, by the filling of adhering agent layer, thereby make total smooth, eliminate Graphene surface irregularity after shifting in prior art and the phenomenon of water ripples, reach the requirement that the touch-screen of Graphene can be fitted entirely.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the utility model preferred embodiment.
Wherein: 1, glass cover-plate; 2, upper strata adhesive layer; 3, upper strata graphene layer; 4, ITO electrode mould; 5, middle level graphene layer; 6, polyimide plate; 7, lower floor's adhesive layer; 8, liquid crystal display layer; 9, metallic film; 10, lower floor's graphene layer; 11, glass substrate.
Embodiment
For technological means, creation characteristic that the utility model is realized, reach object and effect is easy to understand, below in conjunction with concrete diagram, further set forth the utility model.
Preferred embodiment referring to a kind of Graphene capacitive touch screen of Fig. 1, in the present embodiment, comprise glass cover-plate 1 and glass substrate 11, and between glass cover-plate 1 and glass substrate 11, be provided with Graphene-ITO composite bed, polyimide plate 6 and liquid crystal display layer 8; Graphene-ITO composite bed top is bonding by upper strata adhesive layer 2 and glass cover-plate 1.Graphene-ITO composite bed comprises upper strata graphene layer 3 and middle level graphene layer 5, the atom number of plies of two-layer graphene layer is three layers, transmittance is 90%, and resistivity is 400 Ω/Sq, and between upper strata graphene layer 3 and middle level graphene layer 5, accompanies one deck ITO electrode mould 4.
Polyimide plate 6 is positioned at middle level graphene layer 5 bottoms, in polyimide plate 6 bottoms, pass through the bonding liquid crystal display layer 8 of lower floor's adhesive layer 7, and liquid crystal display layer 8 bottoms are disposed with metallic film 9 and lower floor's graphene layer 10, and lower floor's graphene layer 10 bottoms are fitted on the upper surface of glass substrate 11.
In the present embodiment, the atom number of plies of lower floor's graphene layer 10 is 3 layers, and transmittance is 90%, and resistivity is 400 Ω/Sq, and metallic film 9 is provided with chimb on marginal position, and silk-screen has conductive silver slurry as lead-in wire in this chimb.
In the present embodiment, upper strata adhesive layer 2 adopts light transmission rate at more than 90% OCA optics adhesive, and its bonding thickness is 50 μ m, and lower floor's adhesive layer 7 adopts light transmission rate at more than 90% OCA optics adhesive, and its bonding thickness is 80 μ m.
More than show and described ultimate principle of the present utility model, principal character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; that in above-described embodiment and instructions, describes just illustrates principle of the present utility model; do not departing under the prerequisite of the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (5)
1. a Graphene capacitive touch screen, comprises glass cover-plate and glass substrate, it is characterized in that, is respectively arranged with Graphene-ITO composite bed, polyimide plate and liquid crystal display layer between glass cover-plate and glass substrate from top to bottom; Described Graphene-ITO composite bed is a sandwich construction, and by realizing at two-layer graphene layer folder one deck ITO electrode mould, its top is bonding by tackifier and glass cover-plate, and at bottom laminating polyimide plate; Described liquid crystal display layer is fixed on metallic film, and top is bonding by adhesive and polyimide plate, in metallic film bottom, is provided with one deck graphene layer, and is fitted on glass substrate upper surface in this graphene layer bottom.
2. a kind of Graphene capacitive touch screen according to claim 1, is characterized in that, described adhesive is to have water white transparency, light transmission rate at more than 90% OCA optics adhesive, and its bonding thickness is 50 ~ 80 μ m.
3. a kind of Graphene capacitive touch screen according to claim 1, is characterized in that, described metallic film is provided with chimb on marginal position, and silk-screen has conductive silver slurry or copper electrocondution slurry as lead-in wire in this chimb.
4. a kind of Graphene capacitive touch screen according to claim 1, is characterized in that, the atom number of plies of the two-layer graphene layer in Graphene-ITO composite bed is 3 ~ 5 layers, and transmittance is 90%, and resistivity is 400 Ω/Sq.
5. a kind of Graphene capacitive touch screen according to claim 1, is characterized in that, the atom number of plies of the graphene layer of metallic film bottom is 2 ~ 3 layers, transmittance >=88%, and resistivity is 400 Ω/Sq.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420331861.3U CN204009843U (en) | 2014-06-20 | 2014-06-20 | A kind of Graphene capacitive touch screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420331861.3U CN204009843U (en) | 2014-06-20 | 2014-06-20 | A kind of Graphene capacitive touch screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204009843U true CN204009843U (en) | 2014-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420331861.3U Expired - Fee Related CN204009843U (en) | 2014-06-20 | 2014-06-20 | A kind of Graphene capacitive touch screen |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105022545A (en) * | 2015-08-11 | 2015-11-04 | 重庆墨希科技有限公司 | Ultra-thin rollable capacitive touch screen made from polyimide substrate and manufacturing method of ultra-thin rollable capacitive touch screen |
| CN106155416A (en) * | 2016-07-07 | 2016-11-23 | 无锡格菲电子薄膜科技有限公司 | A kind of composite membrane touch sensing and preparation method thereof |
| CN107911504A (en) * | 2017-11-09 | 2018-04-13 | 信利光电股份有限公司 | A kind of cell phone rear cover |
-
2014
- 2014-06-20 CN CN201420331861.3U patent/CN204009843U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105022545A (en) * | 2015-08-11 | 2015-11-04 | 重庆墨希科技有限公司 | Ultra-thin rollable capacitive touch screen made from polyimide substrate and manufacturing method of ultra-thin rollable capacitive touch screen |
| CN106155416A (en) * | 2016-07-07 | 2016-11-23 | 无锡格菲电子薄膜科技有限公司 | A kind of composite membrane touch sensing and preparation method thereof |
| CN106155416B (en) * | 2016-07-07 | 2019-05-07 | 无锡第六元素电子薄膜科技有限公司 | A kind of composite membrane touch sensing and preparation method thereof |
| CN107911504A (en) * | 2017-11-09 | 2018-04-13 | 信利光电股份有限公司 | A kind of cell phone rear cover |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141210 Termination date: 20150620 |
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| EXPY | Termination of patent right or utility model |