CN202548814U - Capacitive touch-control screen with single-layer Film structure - Google Patents
Capacitive touch-control screen with single-layer Film structure Download PDFInfo
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- CN202548814U CN202548814U CN2012201837823U CN201220183782U CN202548814U CN 202548814 U CN202548814 U CN 202548814U CN 2012201837823 U CN2012201837823 U CN 2012201837823U CN 201220183782 U CN201220183782 U CN 201220183782U CN 202548814 U CN202548814 U CN 202548814U
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Abstract
The embodiment of the utility model discloses a capacitive touch-control screen with a single-layer Film structure. The capacitive touch-control screen with the single-layer Film structure comprises a display screen, a nanometer ITO (Indium Tin Oxide) sensor, wherein the display screen is used for displaying an image; the nanometer ITO sensor is arranged on the display screen and used for sensing a touch-control point, and a Film of the nanometer ITO sensor, which is plated with an integral ITO surface, is processed to prepare an ITO Film with a specific ITO image through a printing etching process; the nanometer ITO sensor is provided with a Cover Lens used for protecting the nanometer ITO sensor, and the Cover Lens and the nanometer ITO sensor are adhered together through an optical double-sided adhesive. The capacitive touch-control screen with the single-layer Film structure, which is disclosed by the embodiment of the utility model, can reduce the raw material and processing cost, enhance the toughness and the productivity of products and reduce the thicknesses and the weight of the products.
Description
Technical field
The utility model relates to the capacitive touch screen field, relates in particular to a kind of individual layer film (Film) structure capacitive 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.
The utility model content
The utility model embodiment technical matters to be solved is, a kind of individual layer Film structure capacitive 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 utility model embodiment provides a kind of individual layer Film structure capacitive touch screen, comprising:
The display screen that is used for display image; Be arranged on the said display screen, be used for the nano indium tin metal oxide ITO sensor of sensing touch point, said ITO sensor is through printing etch process, the ITO Film that has specific ITO figure that the Film that is coated with whole ITO 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, said individual layer Film structure capacitive 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 individual layer Film structure capacitive touch screen that the utility model embodiment is 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 individual layer Film structure capacitive touch screen that the utility model provides, its ITO Film can be through ripe etch process processing; The volume production yield is easy to control; And when Cover Lens and ITO sensor were fitted through the optics double faced adhesive tape, because of the raising of Film adhesion, the bubble fraction defective reduced.
Further; The individual layer Film structure capacitive touch screen that the utility model provides 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 individual layer Film structure capacitive touch screen that the utility model provides has improved the toughness of product.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment 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 embodiment of the 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 the individual layer Film structure capacitive touch screen structural representation that the utility model embodiment provides;
Fig. 3 is the decomposing schematic representation of Cover Lens, optics double faced adhesive tape and ITO sensor in the individual layer Film structure capacitive touch screen that provides of the utility model embodiment.
Embodiment
The individual layer Film structure capacitive touch screen that the utility model embodiment is 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 among the utility model embodiment below, the technical scheme among the utility model embodiment is carried out clear, intactly description, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, 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 utility model is protected.
Referring to Fig. 2 and Fig. 3, be the individual layer Film structure capacitive touch screen structural representation that the utility model embodiment provides, Fig. 3 is the decomposing schematic representation of Cover Lens, optics double faced adhesive tape and ITO sensor in this individual layer Film structure capacitive touch screen.This individual layer Film structure capacitive 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 etch process, the ITO Film that has specific ITO figure that the Film that is coated with whole ITO is processed into.This specific I TO figure can shield display screen ITO sensor 22 is disturbed.
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 CoverLens is preferably processed by tempered glass.When Cover Lens23 and ITO sensor 22 are fitted through optics double faced adhesive tape 24,, make the bubble fraction defective between Cover Lens23 and the ITO sensor 22 lower because of the raising of Film adhesion.
Further, the said individual layer Film structure capacitive touch screen that the utility model embodiment 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 individual layer Film structure capacitive touch screen that the utility model provides 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 individual layer Film structure capacitive touch screen that the utility model provides 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 individual layer Film structure capacitive touch screen that the utility model provides 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 individual layer Film structure capacitive touch screen that provides of the utility model 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 utility model was described is a kind of product form of individual layer Film structure capacitive touch screen; Other satisfies the said constructed products of 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 is the further explain that combines concrete preferred implementation that the utility model is done, and can not assert that the practical implementation of the utility model is confined to these explanations.For the those of ordinary skill of technical field under the utility model, under the prerequisite that does not break away from the utility model design, can also make some simple deduction or replace, all should be regarded as belonging to the protection domain of the utility model.
Claims (3)
1. an individual layer film Film structure capacitive touch screen is characterized in that, comprising:
The display screen that is used for display image; Be arranged on the said display screen, be used for the nano indium tin metal oxide ITO sensor of sensing touch point, said ITO sensor is through printing etch process, the ITO Film that has specific ITO figure that the Film that is coated with whole ITO 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. individual layer Film structure capacitive touch screen as claimed in claim 1 is characterized in that, said individual layer Film structure capacitive 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 individual layer Film structure capacitive touch screen is characterized in that said Cover Lens is processed by tempered glass.
Priority Applications (1)
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CN2012201837823U CN202548814U (en) | 2012-04-26 | 2012-04-26 | Capacitive touch-control screen with single-layer Film structure |
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CN2012201837823U CN202548814U (en) | 2012-04-26 | 2012-04-26 | Capacitive touch-control screen with single-layer Film structure |
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CN202548814U true CN202548814U (en) | 2012-11-21 |
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CN2012201837823U Expired - Lifetime CN202548814U (en) | 2012-04-26 | 2012-04-26 | Capacitive touch-control screen with single-layer Film structure |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103279250A (en) * | 2013-06-18 | 2013-09-04 | 格林精密部件(惠州)有限公司 | Capacity touch panel employing copper-plated conductive substrate |
CN103294318A (en) * | 2013-06-06 | 2013-09-11 | 格林精密部件(惠州)有限公司 | Capacitance touch panel utilizing traditional resistive films |
CN103294324A (en) * | 2013-06-17 | 2013-09-11 | 格林精密部件(惠州)有限公司 | Copper wire type capacitive touch screen |
-
2012
- 2012-04-26 CN CN2012201837823U patent/CN202548814U/en not_active Expired - Lifetime
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103294318A (en) * | 2013-06-06 | 2013-09-11 | 格林精密部件(惠州)有限公司 | Capacitance touch panel utilizing traditional resistive films |
CN103294324A (en) * | 2013-06-17 | 2013-09-11 | 格林精密部件(惠州)有限公司 | Copper wire type capacitive touch screen |
CN103279250A (en) * | 2013-06-18 | 2013-09-04 | 格林精密部件(惠州)有限公司 | Capacity touch panel employing copper-plated conductive substrate |
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Legal Events
Date | Code | Title | Description |
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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 parts Limited by Share Ltd Address before: 516025 Huizhou City, Huizhou Province, Huicheng District, the three digital Industrial Park Patentee before: Green Precision Components (Huizhou) Co. Ltd. |
|
CX01 | Expiry of patent term | ||
CX01 | Expiry of patent term |
Granted publication date: 20121121 |