CN203217541U - Capacitive touch screen based on graphene sensor - Google Patents
Capacitive touch screen based on graphene sensor Download PDFInfo
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- CN203217541U CN203217541U CN 201320163691 CN201320163691U CN203217541U CN 203217541 U CN203217541 U CN 203217541U CN 201320163691 CN201320163691 CN 201320163691 CN 201320163691 U CN201320163691 U CN 201320163691U CN 203217541 U CN203217541 U CN 203217541U
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- touch screen
- graphene sensor
- capacitive touch
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Abstract
The utility model discloses a capacitive touch screen based on a graphene sensor. The capacitive touch screen based on the graphene sensor comprises a display screen located on a bottommost layer and used for displaying images and a cover plate CoverLens located on an uppermost layer and used for protecting the graphene sensor. The graphene sensor is arranged between the CoverLens and the display screen. The graphene sensor can be manufactured on a transparent substrate and can be at different positions. The light transmissivity and mechanical bending durability of the capacitive touch screen are improved, the light trapping problem of a traditional touch screen is solved, and the stability and the strength of the touch screen are greatly improved.
Description
Technical field
The utility model relates to the capacitive touch screen field, relates 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 the 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, because 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 the 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 four jiaos distance with finger, and controller draws touch point position by the accurate Calculation to these four current ratios.
Existing capacitance type touch control screen generally includes following main 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 at 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 repay the flexible PCB 12 of giving 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 technologies such as gold-tinted or etching to carry out patterning process, starting material, processing cost are higher, and anti-knock with signal interference capability such as anti-LCM and antennas poor.
Referring to 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, be provided with non-form ink area 2 around the monolithic substrate 1, described non-form ink area 2 is around forming form touch screen 3, the electrode material of described form touch screen 3 is the graphene conductive film, this graphene conductive film directly shifts on the monolithic substrate, easily cause the intensity of monolithic substrate to reduce, cause the wearing and tearing of monolithic substrate, cause the fraction defective of product to raise.
The utility model content
Technical problem to be solved in the utility model 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 increased stability and the intensity of touch screen greatly.
In order to solve the problems of the technologies described above, the utility model 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 bonded together by the optics double faced adhesive tape.
As a kind of preferred version, described Graphene sensor is located at the transparent base plate respectively on a side and Cover Lens bottom of described display screen, 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 the transparent base plate respectively on the side and Cover Lens bottom of described Cover Lens; 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: link to each other with described Graphene sensor, be used for calculating touch point and repay the flexible PCB of giving processor.
A kind of capacitive touch screen based on the Graphene sensor provided by the utility model, it utilizes the Graphene sensor as sensor, broken tradition with the capacitive touch screen of ITO as sensor, improve 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 utility model can be on various material, and the selectivity of base material enlarges, and the Graphene sensor is arranged on the film, can also alleviate the weight of capacitive touch screen.
Further, a kind of capacitive touch screen based on the Graphene sensor provided by the utility model, because adopting the Graphene sensor as the sensor of capacitive touch screen, strengthened the mechanical bend permanance of capacitive touch screen, solve sealing up for safekeeping property of the light problem of touch screen simultaneously, improved the result of use of touch screen.
Further, a kind of capacitive touch screen based on the Graphene sensor provided by the utility model is arranged on Graphene on the transparent base plate, has increased the intensity of touch screen, has improved the product yield.
Description of drawings
In order to be illustrated more clearly in the utility model or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in the utility model or the description of the Prior Art below, apparently, accompanying drawing in describing below only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
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 synoptic diagram based on the Graphene sensor that the utility model provides;
Fig. 4 is a kind of capacitive touch screen embodiment two STRUCTURE DECOMPOSITION synoptic diagram based on the Graphene sensor that the utility model provides;
Fig. 5 is a kind of capacitive touch screen embodiment three STRUCTURE DECOMPOSITION synoptic diagram based on the Graphene sensor that the utility model provides;
Fig. 6 is a kind of capacitive touch screen embodiment four STRUCTURE DECOMPOSITION synoptic diagram based on the Graphene sensor that the utility model provides.
Embodiment
A kind of capacitive touch screen based on the Graphene sensor that the utility model provides 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 among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that obtains under the creative work prerequisite, all belong to the scope of the utility model protection.
Referring to Fig. 3, a kind of capacitive touch screen embodiment one STRUCTURE DECOMPOSITION synoptic diagram based on the Graphene sensor for the utility model provides comprises: 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 the 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 is arranged 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 utility model embodiment provides also comprises: flexible PCB 26, link to each other with described Graphene sensor 21, and be used for calculating touch point and repayment to processor.
Referring to Fig. 4, a kind of capacitive touch screen embodiment two STRUCTURE DECOMPOSITION synoptic diagram based on the Graphene sensor for the utility model provides 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 is arranged 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 utility model embodiment provides also comprises: flexible PCB 26, link to each other with described Graphene sensor 21, and be used for calculating touch point and repayment to processor.
Referring to Fig. 5, a kind of capacitive touch screen embodiment three STRUCTURE DECOMPOSITION synoptic diagram based on the Graphene sensor for the utility model provides comprise: 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 transparent base plate 23 respectively on a side and Cover Lens22 bottom of described display screen 25, 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 utility model embodiment provides also comprises: flexible PCB 26, link to each other with described Graphene sensor 21, and be used for calculating touch point and repayment to processor.
Referring to Fig. 6, a kind of capacitive touch screen embodiment four STRUCTURE DECOMPOSITION synoptic diagram based on the Graphene sensor for the utility model provides comprise being positioned at the bottom, are 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 transparent base plate 23 respectively on the side and Cover Lens22 bottom of described Cover Lens22, 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 is arranged 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 utility model embodiment provides also comprises: flexible PCB 26, link to each other 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 of providing of the utility model 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.The setting of existing capacitive touch screen Graphene sensor on the cover board easily causes the intensity of cover plate to weaken, and the utility model is arranged on the Graphene sensor on the transparent base plate, has improved intensity and the stability of touch screen.
(3) solved sealing up for safekeeping property of light problem.The high transmitance of Graphene sensor, stronger mechanical bend persistence possesses the light that solves touch screen simultaneously 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 utility model adopts the Graphene sensor to be arranged on the diverse location of different backing material plates, cooperates touch-control IC can realize that single-point adds gesture or function of multi-spot touch.
It should be noted that; the utility model is described is a kind of several prods form of the capacitive touch screen based on the Graphene sensor; other satisfies constructed products described in the utility model; not influence the factor of product performance inequality even material, device name, outward appearance, device are put sequential scheduling, still belongs to the scope of the utility model protection.
Above content be in conjunction with concrete preferred implementation to further describing that the utility model is done, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, under the prerequisite that does not break away from the utility model design, can also make some simple deduction or replace, all should be considered as belonging to protection domain of the present utility model.
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 bonded together by the optics double faced adhesive tape.
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 the transparent base plate respectively on a side and Cover Lens bottom of described display screen, 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 the transparent base plate respectively on the side and Cover Lens bottom of described Cover Lens, by the optics double faced adhesive tape transparent base plate and Cover Lens is bonded together.
6. according to each described a kind of capacitive touch screen based on the Graphene sensor of claim 2-5, it is characterized in that, described transparent base plate be in glass plate, film, PC plate, the 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: link to each other with described Graphene sensor, be used for calculating touch point and repay the flexible PCB of giving processor.
Priority Applications (1)
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CN 201320163691 CN203217541U (en) | 2013-04-03 | 2013-04-03 | Capacitive touch screen based on graphene sensor |
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CN 201320163691 CN203217541U (en) | 2013-04-03 | 2013-04-03 | Capacitive touch screen based on graphene sensor |
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CN 201320163691 Expired - Lifetime CN203217541U (en) | 2013-04-03 | 2013-04-03 | Capacitive touch screen based on graphene sensor |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103164101A (en) * | 2013-04-03 | 2013-06-19 | 格林精密部件(惠州)有限公司 | Capacitance touch screen based on grapheme sensors |
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2013
- 2013-04-03 CN CN 201320163691 patent/CN203217541U/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103164101A (en) * | 2013-04-03 | 2013-06-19 | 格林精密部件(惠州)有限公司 | Capacitance touch screen based on grapheme sensors |
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Legal Events
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C56 | Change in the name or address of the patentee | ||
CP03 | Change of name, title or address |
Address after: 516025 Huizhou City, Guangdong Province, the three digital Industrial Park Patentee after: GUANGDONG GREEN PRECISION COMPONENTS Co.,Ltd. Address before: Three Huicheng Guangdong District, Huizhou City, the number of Digital Industrial Park Patentee before: GREEN PRECISION COMPONENTS (HUIZHOU) Co.,Ltd. |
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CX01 | Expiry of patent term | ||
CX01 | Expiry of patent term |
Granted publication date: 20130925 |