CN102722302A - Capacitive touch-control screen with single-layer Film double-faced ITO (indium tin oxide) structure - Google Patents
Capacitive touch-control screen with single-layer Film double-faced ITO (indium tin oxide) structure Download PDFInfo
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- CN102722302A CN102722302A CN201210171979XA CN201210171979A CN102722302A CN 102722302 A CN102722302 A CN 102722302A CN 201210171979X A CN201210171979X A CN 201210171979XA CN 201210171979 A CN201210171979 A CN 201210171979A CN 102722302 A CN102722302 A CN 102722302A
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- ito
- layer film
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- touch screen
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- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical group [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 title abstract description 3
- 239000002356 single layer Substances 0.000 title abstract 3
- 239000002390 adhesive tape Substances 0.000 claims abstract description 11
- 238000005530 etching Methods 0.000 claims abstract description 5
- -1 indium tin metal oxide Chemical class 0.000 claims abstract description 5
- 229910044991 metal oxide Inorganic materials 0.000 claims abstract description 5
- 239000005341 toughened glass Substances 0.000 claims description 5
- 229910052705 radium Inorganic materials 0.000 claims description 4
- HCWPIIXVSYCSAN-UHFFFAOYSA-N radium atom Chemical compound [Ra] HCWPIIXVSYCSAN-UHFFFAOYSA-N 0.000 claims description 4
- 230000003287 optical effect Effects 0.000 abstract description 3
- 239000002994 raw material Substances 0.000 abstract description 2
- 238000000034 method Methods 0.000 abstract 2
- 238000003754 machining Methods 0.000 abstract 1
- 239000011521 glass Substances 0.000 description 10
- 239000000463 material Substances 0.000 description 8
- 239000007858 starting material Substances 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- XBBZAULFUPBZSP-UHFFFAOYSA-N 2,4-dichloro-1-(3-chlorophenyl)benzene Chemical compound ClC1=CC(Cl)=CC=C1C1=CC=CC(Cl)=C1 XBBZAULFUPBZSP-UHFFFAOYSA-N 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 230000002950 deficient Effects 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
- 230000007423 decrease Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 239000005357 flat glass Substances 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
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Abstract
The embodiment of the invention discloses a capacitive touch-control screen with a single-layer Film double-faced ITO (indium tin oxide) structure. The capacitive touch-control screen comprises a display screen used for displaying an image, and nanometre indium tin metal oxide ITO sensors arranged on the display screen and used for sensing touch-control points, wherein the ITO sensors are ITO Films with specific ITO graphs which are machined by being respectively plated on the upper surface and the lower surface of a Film by using a print-etching process or a laser process; a cover plate Cover Lens used for protecting the ITO sensor is arranged on each ITO sensor; and the Cover Lens is bonded together with the ITO sensor via an optical double-faced adhesive tape. The capacitive touch-control screen with the single-layer Film double-faced ITO structure, disclosed by the embodiment of the invention, can reduce raw materials and machining the cost, improve the toughness and the capacity of products, and reduce the thickness and the weight of the products.
Description
Technical field
The present invention relates to the capacitive touch screen field, relate in particular to the two-sided ITO structure capacitive of a kind of individual layer film (Film) touch screen.
Background technology
Touch screen is the compound touch-screen that is used 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 induction by current of human body to carry out work.Capacitance type touch control screen is four layers of compound glass screen normally; When user's finger touches 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 regarded 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 four jiaos from capacitance type touch control screen and flows out.The electric current of these four electrodes of flowing through is directly proportional with the distance of pointing four jiaos, and controller draws touch point position through the accurate Calculation to these four current ratios.
Existing capacitance type touch control screen is as shown in Figure 1, generally includes following main element: the nano indium tin metal oxide ITO sensor 10 that on glass baseplate, has plated indium tin metal oxide (ITO, Indium Tin Oxides) pattern; 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 to calculate touch point and repay the flexible PCB 12 of giving processor, and the display screen 13 that is used for display image.
Existing capacitive touch screen is to utilize the base material of glass as the ITO figure, and the cutting yield is lower, and starting material, processing cost are higher.In addition; The characteristic of glass is frangible; The total ITO sensor 10 of existing capacitance type touch control screen and 11 two tempered glass of Cover Lens, it is bigger to fall the broken probability in back, and the Cover Lens 11 of existing capacitance type touch control screen fits together through optics double faced adhesive tape and the ITO sensor that on glass baseplate, has plated the ITO pattern; Between produces bubble easily, influences the product yield.
Summary of the invention
Embodiment of the invention technical matters to be solved is, the two-sided ITO structure capacitive of a kind of individual layer Film touch screen is provided, and can reduce starting material, processing cost, improves toughness of products and production capacity, alleviates thickness of product and weight simultaneously.
In order to solve the problems of the technologies described above, the embodiment of the invention provides the two-sided ITO structure capacitive of a kind of individual layer Film touch screen, comprises the display screen that is used for display image, wherein also comprises:
Be arranged on the said display screen; The nano indium tin metal oxide ITO sensor that is used for the sensing touch point; Said ITO sensor is through printing etching or Radium art, respectively is coated with one deck at the Film upper and lower surface and has the ITO Film that specific ITO figure is processed into.
Said ITO sensor is provided with the cover plate Cover Lens that is used to protect said ITO sensor; Said Cover Lens and ITO sensor are bonded together through the optics double faced adhesive tape.
Wherein, the two-sided ITO structure capacitive of said individual layer Film touch screen also comprises: link to each other with said ITO sensor, be used to calculate touch point and repay the flexible PCB of giving processor.
Wherein, said Cover Lens is processed by tempered glass.
The two-sided ITO structure capacitive of the individual layer Film touch screen that the embodiment of the invention provided; It utilizes the base material of Film as the ITO figure; Broken the tradition with glass as the low characteristics of the cutting yield of the base material of ITO figure; Reduce starting material and processing cost, reduced product thickness and weight all has superiority.
Further; The two-sided ITO structure capacitive of individual layer Film provided by the invention touch screen; Its ITO Film can be through ripe etching or Radium art processing, and the volume production yield is easy to control, and Cover Lens is with the ITO sensor during through the applying of optics double faced adhesive tape; Because of the raising of Film adhesion, the bubble fraction defective reduces.
Further; The two-sided ITO structure capacitive of individual layer Film provided by the invention touch screen is with the base material of Film as the ITO figure; And existing capacitive touch screen is with the base material of glass as the ITO figure; The characteristic of glass is frangible, and Comparatively speaking, the two-sided ITO structure capacitive of individual layer Film provided by the invention touch screen has improved the toughness of product.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiments of the present invention, 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 the two-sided ITO structure capacitive of the individual layer Film touch screen structural representation that the embodiment of the invention provides;
Fig. 3 is the decomposing schematic representation of CoverLens, optics double faced adhesive tape and ITO sensor in the two-sided ITO structure capacitive of the individual layer Film touch screen that provides of the embodiment of the invention.
Embodiment
The two-sided ITO structure capacitive of the individual layer Film touch screen that the embodiment of the invention provided can reduce starting material, processing cost, improves toughness of products and production capacity, alleviates thickness of product and weight simultaneously.
To combine the accompanying drawing in the embodiment of the invention below, the technical scheme in the embodiment of the invention is carried out clear, intactly description, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, the every other embodiment that those of ordinary skills are obtained under the prerequisite of not making creative work belongs to the scope that the present invention protects.
Referring to Fig. 2 and Fig. 3; Be the two-sided ITO structure capacitive of the individual layer Film touch screen structural representation that the embodiment of the invention provides, Fig. 3 is the decomposing schematic representation of Cover Lens, optics double faced adhesive tape and ITO sensor in the two-sided ITO structure capacitive of this individual layer Film touch screen.The two-sided ITO structure capacitive of this individual layer Film touch screen comprises like Fig. 2, shown in 3: the optics double faced adhesive tape 24 of display screen 21, ITO sensor 22, Cover Lens 23 and bonding said Cover Lens 23 and ITO sensor 22.
ITO sensor 22 is arranged on the said display screen 21, is used for the sensing touch point.Said ITO sensor is through printing etching or Radium art, respectively is coated with one deck at the Film upper and lower surface and has the ITO Film that specific ITO figure is processed into.This specific I TO figure can shield the interference of 21 pairs of ITO sensors 22 of display screen.
Cover Lens23 is arranged on the said ITO sensor 22, is used to protect said ITO sensor 22; Said Cover Lens23 and ITO sensor 22 are bonded together through optics double faced adhesive tape 24.Said Cover Lens23 is preferably processed by tempered glass.When Cover Lens23 and ITO sensor 22 are fitted through optics double faced adhesive tape 24,, the bubble fraction defective between Cover Lens23 and the ITO sensor 22 is reduced because of the raising of Film adhesion.
Further, the two-sided ITO structure capacitive of the said individual layer Film touch screen that the embodiment of the invention provides also comprises: flexible PCB 25, this flexible PCB 25 links to each other with said ITO sensor 22, is used to calculate touch point and repayment to processor.
Can know that through foregoing description the two-sided ITO structure capacitive of individual layer Film provided by the invention touch screen has the following advantages at least:
(1) cost of raw material reduces.Existing capacitive touch screen technology is to utilize the base material of eyeglass (Glass) as the ITO figure, and the cutting yield is low, and cost is high.The two-sided ITO structure capacitive of individual layer Film provided by the invention touch screen is to utilize the base material of film (Film) as the ITO figure, and starting material and processing cost all have remarkable decline.
(2) overall product thickness and weight reduce.The product structure of existing capacitive touch screen is: Cover Lens+ optical cement+ITO Glass+LCD.The product structure of the two-sided ITO structure capacitive of individual layer Film provided by the invention touch screen is: Cover Lens+ optical cement+ITO Film+LCD.ITO Film compares with ITO Glass, on thickness and weight, all has superiority.
(3) toughness of product promotes.The touch screen drop test is an important link in the product test.The characteristic of glass is exactly frangible, and existing capacitance type touch control screen has two tempered glass, and it is bigger to fall the broken probability in back.Comparatively speaking, the two-sided ITO structure capacitive of individual layer Film provided by the invention touch screen adopts the combination of a sheet glass and a slice Film then to promote the toughness of product greatly.
It should be noted that; What the present invention described is a kind of product form of the two-sided ITO structure capacitive of individual layer Film touch screen; Other satisfies constructed products according to the invention; 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 present invention's protection.
Above content is to combine concrete preferred implementation to the further explain that the present invention did, and can not assert that practical implementation of the present invention is confined to these explanations.For the those of ordinary skill of technical field under the present invention, under the prerequisite that does not break away from the present invention's design, can also make some simple deduction or replace, all should be regarded as belonging to protection scope of the present invention.
Claims (3)
1. the two-sided ITO structure capacitive of an individual layer Film touch screen comprises the display screen that is used for display image, it is characterized in that, also comprises:
Be arranged on the said display screen; The nano indium tin metal oxide ITO sensor that is used for the sensing touch point; Said ITO sensor is through printing etching or Radium art, respectively is coated with one deck at the Film upper and lower surface and has the ITO Film that specific ITO figure is processed into.
Said ITO sensor is provided with the cover plate Cover Lens that is used to protect said ITO sensor; Said Cover Lens and ITO sensor are bonded together through the optics double faced adhesive tape.
2. the two-sided ITO structure capacitive of individual layer Film as claimed in claim 1 touch screen is characterized in that, the two-sided ITO structure capacitive of said individual layer Film touch screen also comprises:
Link to each other with said ITO sensor, be used to calculate touch point and repay the flexible PCB of giving processor.
3. according to claim 1 or claim 2 the two-sided ITO structure capacitive of individual layer Film touch screen is characterized in that said Cover Lens is processed by tempered glass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210171979XA CN102722302A (en) | 2012-05-29 | 2012-05-29 | Capacitive touch-control screen with single-layer Film double-faced ITO (indium tin oxide) structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210171979XA CN102722302A (en) | 2012-05-29 | 2012-05-29 | Capacitive touch-control screen with single-layer Film double-faced ITO (indium tin oxide) structure |
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| Publication Number | Publication Date |
|---|---|
| CN102722302A true CN102722302A (en) | 2012-10-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210171979XA Pending CN102722302A (en) | 2012-05-29 | 2012-05-29 | Capacitive touch-control screen with single-layer Film double-faced ITO (indium tin oxide) structure |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103425376A (en) * | 2013-08-29 | 2013-12-04 | 格林精密部件（惠州）有限公司 | Capacitive touch screen |
| CN103472968A (en) * | 2013-09-26 | 2013-12-25 | 无锡宇宁光电科技有限公司 | Capacitive screen technology capable of realizing multi-point touch control by single layer of film |
| CN103472969A (en) * | 2013-09-26 | 2013-12-25 | 苏州胜利光学玻璃有限公司 | Capacitive touch screen |
| CN103699270A (en) * | 2013-12-31 | 2014-04-02 | 广州视声电子实业有限公司 | Manufacturing method of touch display screen |
| CN103729101A (en) * | 2013-12-16 | 2014-04-16 | 格林精密部件（惠州）有限公司 | Externally-embedded-type capacitive touch screen |
| CN103870087A (en) * | 2014-03-31 | 2014-06-18 | 芜湖长信科技股份有限公司 | Bendable capacitive touch panel and production method thereof |
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| CN201369036Y (en) * | 2009-03-05 | 2009-12-23 | 意力(广州)电子科技有限公司 | Projection-type capacitor touch screen |
| CN102221948A (en) * | 2011-05-11 | 2011-10-19 | 深圳市骏达光电有限公司 | Capacitive touch screen |
| CN102681741A (en) * | 2012-05-15 | 2012-09-19 | 格林精密部件（惠州）有限公司 | Single layer Film double layer ITO (indium tin oxide) structure capacitor touch control screen |
| CN202615368U (en) * | 2012-05-29 | 2012-12-19 | 格林精密部件（惠州）有限公司 | Single-layer Film double-side ITO structured capacitive touch screen |
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2012
- 2012-05-29 CN CN201210171979XA patent/CN102722302A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201369036Y (en) * | 2009-03-05 | 2009-12-23 | 意力(广州)电子科技有限公司 | Projection-type capacitor touch screen |
| CN102221948A (en) * | 2011-05-11 | 2011-10-19 | 深圳市骏达光电有限公司 | Capacitive touch screen |
| CN102681741A (en) * | 2012-05-15 | 2012-09-19 | 格林精密部件（惠州）有限公司 | Single layer Film double layer ITO (indium tin oxide) structure capacitor touch control screen |
| CN202615368U (en) * | 2012-05-29 | 2012-12-19 | 格林精密部件（惠州）有限公司 | Single-layer Film double-side ITO structured capacitive touch screen |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103425376A (en) * | 2013-08-29 | 2013-12-04 | 格林精密部件（惠州）有限公司 | Capacitive touch screen |
| CN103472968A (en) * | 2013-09-26 | 2013-12-25 | 无锡宇宁光电科技有限公司 | Capacitive screen technology capable of realizing multi-point touch control by single layer of film |
| CN103472969A (en) * | 2013-09-26 | 2013-12-25 | 苏州胜利光学玻璃有限公司 | Capacitive touch screen |
| CN103729101A (en) * | 2013-12-16 | 2014-04-16 | 格林精密部件（惠州）有限公司 | Externally-embedded-type capacitive touch screen |
| CN103699270A (en) * | 2013-12-31 | 2014-04-02 | 广州视声电子实业有限公司 | Manufacturing method of touch display screen |
| CN103870087A (en) * | 2014-03-31 | 2014-06-18 | 芜湖长信科技股份有限公司 | Bendable capacitive touch panel and production method thereof |
| CN103870087B (en) * | 2014-03-31 | 2016-08-17 | 芜湖长信科技股份有限公司 | A kind of flexible capacitance type touch control screen and production method thereof |
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Application publication date: 20121010 |