CN103164101A - Capacitance touch screen based on grapheme sensors - Google Patents
Capacitance touch screen based on grapheme sensors Download PDFInfo
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- CN103164101A CN103164101A CN2013101147846A CN201310114784A CN103164101A CN 103164101 A CN103164101 A CN 103164101A CN 2013101147846 A CN2013101147846 A CN 2013101147846A CN 201310114784 A CN201310114784 A CN 201310114784A CN 103164101 A CN103164101 A CN 103164101A
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- touch screen
- graphene sensor
- capacitive touch
- cover lens
- screen based
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 85
- 229910021389 graphene Inorganic materials 0.000 claims description 85
- 239000002390 adhesive tape Substances 0.000 claims description 13
- 239000011521 glass Substances 0.000 claims description 8
- 229920003229 poly(methyl methacrylate) Polymers 0.000 claims description 6
- 239000004926 polymethyl methacrylate Substances 0.000 claims description 6
- 239000011505 plaster Substances 0.000 claims description 2
- 238000007789 sealing Methods 0.000 abstract description 7
- 239000000758 substrate Substances 0.000 abstract description 6
- 238000005452 bending Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 9
- 238000000354 decomposition reaction Methods 0.000 description 8
- 230000005540 biological transmission Effects 0.000 description 6
- ONNCPBRWFSKDMQ-UHFFFAOYSA-N 2,3',5-trichlorobiphenyl Chemical compound ClC1=CC=CC(C=2C(=CC=C(Cl)C=2)Cl)=C1 ONNCPBRWFSKDMQ-UHFFFAOYSA-N 0.000 description 4
- -1 indium tin metal oxide Chemical class 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 229910044991 metal oxide Inorganic materials 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- ZGHQUYZPMWMLBM-UHFFFAOYSA-N 1,2-dichloro-4-phenylbenzene Chemical compound C1=C(Cl)C(Cl)=CC=C1C1=CC=CC=C1 ZGHQUYZPMWMLBM-UHFFFAOYSA-N 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical class [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000000059 patterning Methods 0.000 description 1
- 230000002688 persistence Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
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- Position Input By Displaying (AREA)
Abstract
The invention discloses a capacitance touch screen based on grapheme sensors. The capacitance touch screen based on the grapheme sensors comprises a display screen located at the lowest layer and used for displaying an image and a cover plate Cover Lens located at the upmost layer and used for protecting the grapheme sensors. The grapheme sensors are arranged between the Cover Lens and the display screen. The grapheme sensors can be manufactured on a transparent substrate and on different positions. The capacitance touch screen based on the grapheme sensors improves light transmitting performance and mechanical bending durability of a product, solves a light sealing and storing problem of a traditional touch screen and greatly improves stability and strength of the touch screen.
Description
Technical field
The present invention relates to the capacitive touch screen field, relate in particular to a kind of capacitive touch screen based on the Graphene sensor.
Background technology
Touch screen is for the compound touch-screen on the electronic products such as mobile phone, e-book, digital camera, and wherein capacitance type touch control screen is the most frequently used a kind of in touch screen.
Capacitance type touch control screen is to utilize the electric current induction of human body to carry out work.Capacitance type touch control screen is four layers of compound glass screen normally, when user's finger touch is on capacitance type touch control screen, due to people's bulk electric field, user and capacitance touching control screen surfaces form with a coupling capacitance (for high-frequency current, electric capacity can be considered as conductor), so finger siphons away a very little electric current from the touch point of capacitance touching control screen surfaces, this electric current divides electrode on from capacitance type touch control screen four jiaos and flows out.The electric current of these four electrodes of flowing through is directly proportional to the distance of four jiaos to finger, and controller draws the position of touch point by the accurate Calculation to these four current ratios.
Existing capacitance type touch control screen generally includes following chief component element as shown in Figure 1: the nano indium tin metal oxide ITO sensor 10 that has plated indium tin metal oxide (ITO, Indium Tin Oxides) pattern on glass baseplate; The cover plate (Cover Lens) 11 that the ITO sensor is shielded; The optics double faced adhesive tape 15 that is used for bonding ITO sensor 10 and Cover Lens 11; Be used for calculating touch point and repayment to the flexible PCB 12 of processor, and the display screen 13 that is used for showing image.
Existing capacitive touch screen is to utilize nano indium tin metal oxide ITO as the sensor of touch screen, need after the ITO moulding to use the techniques such as gold-tinted or etching to carry out patterning process, starting material, processing cost are higher, and anti-ability of knocking with signals interference such as anti-LCM and antennas.
shown in Figure 2, application number is that 201210390503.5 Chinese patents disclose a kind of one chip capacitive touch screen and preparation method thereof, described one chip capacitive touch screen comprises monolithic substrate 1, non-form ink area 2, form touch screen 3 and lead district 4, monolithic substrate 1 surrounding is provided with non-form ink area 2, described non-form ink area 2 is around forming form touch screen 3, the electrode material of described form touch screen 3 is graphene conductive film, this graphene conductive film directly shifts on the monolithic substrate, easily cause the strength decreased of monolithic substrate, cause the wearing and tearing of monolithic substrate, cause the fraction defective of product to raise.
Summary of the invention
Technical matters to be solved by this invention is, a kind of capacitive touch screen based on the Graphene sensor is provided, improved transmitance and the mechanical bend permanance of product, the light that has solved traditional touch screen is sealed problem up for safekeeping, has greatly increased stability and the intensity of touch screen.
In order to solve the problems of the technologies described above, the invention provides a kind of capacitive touch screen based on the Graphene sensor, comprising:
Be positioned at the bottom, be used for showing the display screen of image; Be positioned at the superiors, for the protection of the cover plate Cover Lens of Graphene sensor; Described Graphene sensor is located between Cover Lens and display screen.
As a kind of preferred version, described Graphene sensor is located on the transparent base plate towards the side of described Cover Lens, is bonded together by optics double faced adhesive tape and described Cover Lens.
As a kind of preferred version, described Graphene sensor is located at transparent base plate upper and lower surface, and described Cover Lens and described Graphene sensor are by the optics adhered by double sided plaster together.
As a kind of preferred version, described Graphene sensor is located at respectively the transparent base plate on a side of described display screen and Cover Lens bottom, by the optics double faced adhesive tape, transparent base plate and Cover Lens is bonded together.
As a kind of preferred version, described Graphene sensor is located at respectively the transparent base plate on the side of described Cover Lens and Cover Lens bottom; And by the optics double faced adhesive tape, transparent base plate and Cover Lens are bonded together.
Wherein, described transparent base plate is glass plate or film or PC plate or poly (methyl methacrylate) plate.
Wherein, described a kind of capacitive touch screen based on the Graphene sensor also comprises: be connected with described Graphene sensor, be used for calculating touch point and repayment to the flexible PCB of processor.
A kind of capacitive touch screen based on the Graphene sensor provided by the present invention, it utilizes the Graphene sensor as sensor, break tradition with the capacitive touch screen of ITO as sensor, improved the transmitance of capacitive touch screen, made the light transmission of capacitive touch screen reach more than 80%.
Further, a kind of capacitive touch screen based on the Graphene sensor provided by the present invention can be on various material, and the selectivity of base material enlarges, and the Graphene sensor setting can also alleviate the weight of capacitive touch screen on film.
Further, a kind of capacitive touch screen based on the Graphene sensor provided by the present invention, because adopting the Graphene sensor as the sensor of capacitive touch screen, strengthened the mechanical bend permanance of capacitive touch screen, solve simultaneously sealing up for safekeeping property of the light problem of touch screen, improved the result of use of touch screen.
Further, a kind of capacitive touch screen based on the Graphene sensor provided by the present invention is arranged on Graphene on the transparent base plate, has increased the intensity of touch screen, has improved product yield.
Description of drawings
In order to be illustrated more clearly in the present invention or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in the present invention or description of the Prior Art, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is existing capacitive touch screen structural representation;
Fig. 2 is that disclosed application number is the appearance assumption diagram of 201210390503.5 capacitive touch screen;
Fig. 3 is a kind of capacitive touch screen embodiment one STRUCTURE DECOMPOSITION schematic diagram based on the Graphene sensor provided by the invention;
Fig. 4 is a kind of capacitive touch screen embodiment two STRUCTURE DECOMPOSITION schematic diagram based on the Graphene sensor provided by the invention;
Fig. 5 is a kind of capacitive touch screen embodiment three STRUCTURE DECOMPOSITION schematic diagram based on the Graphene sensor provided by the invention;
Fig. 6 is a kind of capacitive touch screen embodiment four STRUCTURE DECOMPOSITION schematic diagram based on the Graphene sensor provided by the invention.
Embodiment
A kind of capacitive touch screen based on the Graphene sensor provided by the invention has improved the light transmission of touch screen, has solved sealing up for safekeeping property of the light problem of touch screen, has strengthened the intensity of touch screen.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Based on the embodiment in the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that obtains under the creative work prerequisite.
Referring to Fig. 3, be a kind of capacitive touch screen embodiment one STRUCTURE DECOMPOSITION schematic diagram based on the Graphene sensor provided by the invention, comprise: the optics double faced adhesive tape 24 of display screen 25, Cover Lens22, Graphene sensor 21, transparent base plate 23 and bonding described Cover Lens 22 and Graphene sensor 21.
Graphene sensor 21 is located on transparent base plate 23 side towards described Cover Lens22, be bonded together with described Cover Lens22 by optics double faced adhesive tape 24, described transparent base plate is glass plate or film (film) or PC plate or poly (methyl methacrylate) plate, with Graphene as sensor, increased the transmitance of touch screen, make light transmission reach more than 80%, simultaneously, the Graphene sensor setting is on the transparent base plate, strengthened the intensity of touch screen, solve sealing up for safekeeping property of the light problem of touch screen, improved result of use.
Further, a kind of capacitive touch screen based on the Graphene sensor that the embodiment of the present invention provides also comprises: flexible PCB 26, be connected with described Graphene sensor 21, and be used for calculating touch point and repayment to processor.
Referring to Fig. 4, be a kind of capacitive touch screen embodiment two STRUCTURE DECOMPOSITION schematic diagram based on the Graphene sensor provided by the invention, comprise: the optics double faced adhesive tape 24 of display screen 25, Cover Lens22, Graphene sensor 21, transparent base plate 23 and bonding described Cover Lens 22 and Graphene sensor 21.
Described Graphene sensor 21 is arranged between described display screen 25 and Cover Lens22, be used for the sensing touch point, described Graphene sensor 21 is plated in transparent base plate 23 upper and lower surfaces, described transparent base plate 23 is glass plate or film (film) or PC plate or poly (methyl methacrylate) plate, with Graphene as sensor, increased the transmitance of touch screen, make light transmission reach more than 80%, simultaneously, the Graphene sensor setting is on the transparent base plate, strengthen the intensity of touch screen, solved sealing up for safekeeping property of the light problem of touch screen, improved result of use.
Described Cover Lens22 is bonded together by optics double faced adhesive tape 24 with described Graphene sensor 21 for the protection of described Graphene sensor 21.
Further, a kind of capacitive touch screen based on the Graphene sensor that the embodiment of the present invention provides also comprises: flexible PCB 26, be connected with described Graphene sensor 21, and be used for calculating touch point and repayment to processor.
Referring to Fig. 5, be a kind of capacitive touch screen embodiment three STRUCTURE DECOMPOSITION schematic diagram based on the Graphene sensor provided by the invention, comprising: be positioned at the bottom, be used for showing the display screen 25 of image, preferred LCD display; Be positioned at the superiors, for the protection of the cover plate Cover Lens22 of Graphene sensor.
Described Graphene sensor 21 is located at respectively transparent base plate 23 on a side of described display screen 25 and Cover Lens22 bottom, transparent base plate 23 is bonded together by optics double faced adhesive tape 24 with Cover Lens22, and described transparent base plate 23 is glass plate or film (film) or PC plate or poly (methyl methacrylate) plate.
Further, a kind of capacitive touch screen based on the Graphene sensor that the embodiment of the present invention provides also comprises: flexible PCB 26, be connected with described Graphene sensor 21, and be used for calculating touch point and repayment to processor.
Referring to Fig. 6, for a kind of capacitive touch screen embodiment four STRUCTURE DECOMPOSITION schematic diagram based on the Graphene sensor provided by the invention, comprise being positioned at the bottom, be used for showing the display screen 25 of image, preferred LCD display; Be positioned at the superiors, for the protection of the cover plate Cover Lens22 of Graphene sensor and be arranged on Cover Lens22 and the Graphene sensor 21 of 25 of display screens.
described Graphene sensor 21 is located at respectively transparent base plate 23 on the side of described Cover Lens22 and Cover Lens22 bottom, transparent base plate 23 is bonded together by optics double faced adhesive tape 24 with Cover Lens22, described transparent base plate 23 is glass plate or film (film) or PC plate or poly (methyl methacrylate) plate, with Graphene as sensor, increased the transmitance of touch screen, make light transmission reach more than 80%, simultaneously, the Graphene sensor setting is on the transparent base plate, strengthened the intensity of touch screen, solved sealing up for safekeeping property of the light problem of touch screen, improved result of use.
Further, a kind of capacitive touch screen based on the Graphene sensor that the embodiment of the present invention provides also comprises: flexible PCB 26, be connected with described Graphene sensor 21, and be used for calculating touch point and repayment to processor.
By foregoing description as can be known, a kind of capacitive touch screen based on the Graphene sensor provided by the invention has the following advantages at least:
(1) improved the transmitance of touch screen.Existing capacitive touch screen is to utilize nano indium tin metal oxide ITO as sensor, and transmitance is relatively poor, adopts the Graphene sensor, and the higher transmitance that its Graphene has makes the light transmission of touch screen reach more than 80%.
(2) stability and intensity improve.Existing capacitive touch screen Graphene sensor setting on the cover board easily causes the remitted its fury of cover plate, and the present invention on the transparent base plate, has improved intensity and the stability of touch screen with the Graphene sensor setting.
(3) solved sealing up for safekeeping property of light problem.The high transmitance of Graphene sensor, stronger mechanical bend persistence possesses simultaneously the light that solves touch screen and seals problem up for safekeeping, has improved result of use.
(4) the touch-control effect is guaranteed.A kind of capacitive touch screen based on the Graphene sensor of the present invention adopts the Graphene sensor setting on the diverse location of different backing material plates, coordinates touch-control IC can realize that single-point adds the function of gesture or multi-point touch.
It should be noted that; the present invention describes is a kind of several prods form of the capacitive touch screen based on the Graphene sensor; other satisfies the product of structure of the present invention; not affect the factor of product performance not identical even material, device name, outward appearance, device are put order etc., still belongs to the scope of protection of the invention.
Above content is in conjunction with concrete preferred implementation further description made for the present invention, can not assert that concrete enforcement of the present invention is confined to these explanations.For the general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, can also make some simple deduction or replace, all should be considered as belonging to protection scope of the present invention.
Claims (7)
1. the capacitive touch screen based on the Graphene sensor, is characterized in that, comprising:
Be positioned at the bottom, be used for showing the display screen of image; Be positioned at the superiors, for the protection of the cover plate Cover Lens of Graphene sensor; Described Graphene sensor is located between Cover Lens and display screen.
2. a kind of capacitive touch screen based on the Graphene sensor according to claim 1, it is characterized in that, described Graphene sensor is located on the transparent base plate towards the side of described Cover Lens, is bonded together by optics double faced adhesive tape and described Cover Lens.
3. a kind of capacitive touch screen based on the Graphene sensor according to claim 1, it is characterized in that, described Graphene sensor is located at transparent base plate upper and lower surface, and described Cover Lens and described Graphene sensor are by the optics adhered by double sided plaster together.
4. a kind of capacitive touch screen based on the Graphene sensor according to claim 1, it is characterized in that, described Graphene sensor is located at respectively the transparent base plate on a side of described display screen and Cover Lens bottom, by the optics double faced adhesive tape, transparent base plate and Cover Lens is bonded together.
5. a kind of capacitive touch screen based on the Graphene sensor according to claim 1, it is characterized in that, described Graphene sensor is located at respectively the transparent base plate on the side of described Cover Lens and Cover Lens bottom, by the optics double faced adhesive tape, transparent base plate and Cover Lens is bonded together.
6. the described a kind of capacitive touch screen based on the Graphene sensor of according to claim 1-5 any one, is characterized in that, described transparent base plate be in glass plate, film, PC plate, poly (methyl methacrylate) plate any one.
7. a kind of capacitive touch screen based on the Graphene sensor according to claim 6, it is characterized in that, described a kind of capacitive touch screen based on the Graphene sensor also comprises: be connected with described Graphene sensor, be used for calculating touch point and repayment to the flexible PCB of processor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101147846A CN103164101A (en) | 2013-04-03 | 2013-04-03 | Capacitance touch screen based on grapheme sensors |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101147846A CN103164101A (en) | 2013-04-03 | 2013-04-03 | Capacitance touch screen based on grapheme sensors |
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| CN103164101A true CN103164101A (en) | 2013-06-19 |
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| CN2013101147846A Pending CN103164101A (en) | 2013-04-03 | 2013-04-03 | Capacitance touch screen based on grapheme sensors |
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Cited By (8)
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| CN103455230A (en) * | 2013-09-26 | 2013-12-18 | 无锡宇宁光电科技有限公司 | Grapheme conductive film applied capacitive screen and manufacturing method thereof |
| CN104020919A (en) * | 2014-05-20 | 2014-09-03 | 深圳市航泰光电有限公司 | Graphene capacitive type touch screen and production and manufacturing method thereof |
| CN104020918A (en) * | 2014-05-20 | 2014-09-03 | 深圳市航泰光电有限公司 | Graphene capacitance touch screen and manufacturing method thereof |
| CN104035626A (en) * | 2014-07-02 | 2014-09-10 | 南昌欧菲生物识别技术有限公司 | Fingerprint recognition method, touch screen with fingerprint recognition function and terminal device |
| CN104049826A (en) * | 2014-05-20 | 2014-09-17 | 深圳市航泰光电有限公司 | Carbon nano-tube capacitive touch screen and manufacturing method thereof |
| CN104345908A (en) * | 2014-02-27 | 2015-02-11 | 深圳市骏达光电股份有限公司 | Capacitive touch screen manufacturing method |
| CN108109558A (en) * | 2017-10-20 | 2018-06-01 | 江苏印象乾图文化科技有限公司 | Multimedia intelligent interactive projection system based on graphene wall drawing |
| CN110825252A (en) * | 2018-08-10 | 2020-02-21 | 无锡变格新材料科技有限公司 | Touch screen capable of automatically adjusting width |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103455230A (en) * | 2013-09-26 | 2013-12-18 | 无锡宇宁光电科技有限公司 | Grapheme conductive film applied capacitive screen and manufacturing method thereof |
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| CN104020919A (en) * | 2014-05-20 | 2014-09-03 | 深圳市航泰光电有限公司 | Graphene capacitive type touch screen and production and manufacturing method thereof |
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| CN104049826A (en) * | 2014-05-20 | 2014-09-17 | 深圳市航泰光电有限公司 | Carbon nano-tube capacitive touch screen and manufacturing method thereof |
| CN104049826B (en) * | 2014-05-20 | 2017-07-28 | 深圳市航泰光电有限公司 | Carbon nanotube capacitive touch screen and manufacturing method thereof |
| CN104020919B (en) * | 2014-05-20 | 2018-01-19 | 深圳市航泰光电有限公司 | A kind of grapheme capacitive touch screen and its production method |
| CN104035626A (en) * | 2014-07-02 | 2014-09-10 | 南昌欧菲生物识别技术有限公司 | Fingerprint recognition method, touch screen with fingerprint recognition function and terminal device |
| CN108109558A (en) * | 2017-10-20 | 2018-06-01 | 江苏印象乾图文化科技有限公司 | Multimedia intelligent interactive projection system based on graphene wall drawing |
| CN108109558B (en) * | 2017-10-20 | 2023-12-19 | 江苏印象乾图文化科技有限公司 | Multimedia intelligent interactive projection system based on graphene wall drawing |
| CN110825252A (en) * | 2018-08-10 | 2020-02-21 | 无锡变格新材料科技有限公司 | Touch screen capable of automatically adjusting width |
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Application publication date: 20130619 |