CN202443450U - Capacitive touch screen - Google Patents
Capacitive touch screen Download PDFInfo
- Publication number
- CN202443450U CN202443450U CN2012200154650U CN201220015465U CN202443450U CN 202443450 U CN202443450 U CN 202443450U CN 2012200154650 U CN2012200154650 U CN 2012200154650U CN 201220015465 U CN201220015465 U CN 201220015465U CN 202443450 U CN202443450 U CN 202443450U
- Authority
- CN
- China
- Prior art keywords
- conductive layer
- capacitive touch
- touch screen
- ito conductive
- layer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Position Input By Displaying (AREA)
Abstract
The utility model relates to the technical field of a touch screen and particularly relates to a capacitive touch screen. The capacitive touch screen comprises a glass substrate, wherein a first ITO (Indium Tin Oxide) conductive layer is arranged on the upper surface of the glass substrate; and a mirror surface film is bonded on the upper surface of the first ITO conductive layer. The capacitive touch screen disclosed by the utility model bonds the mirror surface film on the ITO conductive layer of the glass substrate and utilizes the mirror face film to replace a traditional glass cover plate, and the thickness of a product is thinner, so that the production efficiency and the product yield are improved; and meanwhile, the cost is reduced.
Description
Technical field
The utility model relates to the touch screen technology field, relates in particular to a kind of capacitive touch screen.
Background technology
Along with development of science and technology, touch-screen is widely used in electronic equipments such as panel computer, mobile phone, GPS, can be divided into resistance-type and capacitive touch screen by the difference of its principle of work.
At present; Capacitive touch screen adopts the structure of double glazing unit; The upper and lower surface of lower floor's glass plate is coated with ITO (nano indium tin metal oxide) conductive layer; Adopt OCA/OCR (optical cement) bonding between upper glass plate and the lower floor's glass plate, its at the middle and upper levels the ITO conductive layer be working lining, the ITO of lower floor conductive layer is a screen layer.Because this capacitive touch screen has adopted the layer glass plate, when the layer glass plate fits together, is easy to generate bubble between the layer glass plate, the yield of product is low.Adopt the capacitive touch screen structural sheet of double glazing plate structure more, when utilizing CNC equipment that upper glass plate is cut, processing technology is complicated, and production efficiency is low, and cost is higher.
To sum up, demand providing a kind of capacitive touch screen that can promote production efficiency and product yield urgently.
Summary of the invention
The purpose of the utility model is to the deficiency of prior art a kind of capacitive touch screen to be provided, and product thickness is thinner, has higher production efficiency and product yield, has reduced cost simultaneously.
For achieving the above object, the utility model is realized through following technical scheme.
A kind of capacitive touch screen comprises glass substrate, and the upper surface of glass substrate is provided with an ITO conductive layer, and the upper surface of an ITO conductive layer is bonded with mirror film.
Wherein, the structure of said mirror film comprises PE substrate layer, pressure-sensitive adhesive layer and the PET specular layer that sets gradually from top to bottom.
Further, the upper surface of said PET specular layer is provided with hard coating.
Again further, said mirror film is pasted on the upper surface of an ITO conductive layer through first adhesive layer, and said first adhesive layer is optical cement, silica gel or acrylic glue.
As preferably, the lower surface of said glass substrate is provided with the 2nd ITO conductive layer.
Further, an ITO conductive layer is bound has flexible PCB.
As preferably, an ITO conductive layer and the 2nd ITO conductive layer have all been bound flexible PCB.
The beneficial effect of the utility model is: a kind of capacitive touch screen, comprise glass substrate, and the upper surface of glass substrate is provided with an ITO conductive layer, and the upper surface of an ITO conductive layer is bonded with mirror film.The utility model adopts mirror film to substitute the conventional glass cover plate, and the material of mirror film is soft relatively, has sense of touch preferably, when mirror film and glass substrate are bonding simultaneously, can avoid the generation of bubble effectively, thereby guarantees the high product yield; This capacitive touch screen thinner thickness has reduced cost in addition, is applicable to large batch of production, has promoted production efficiency.
Description of drawings
Utilize accompanying drawing to come the utility model is further described below, but the embodiment in the accompanying drawing does not constitute any restriction to the utility model.
Fig. 1 is the schematic cross-section of the utility model.
Fig. 2 is the schematic cross-section of the mirror film of the utility model.
In Fig. 1, Fig. 2, include:
1---mirror film, 2---glass substrate, 3---an ITO conductive layer, 4---first adhesive layer, 5---the 2nd ITO conductive layer;
11---the PE substrate layer, 12---pressure-sensitive adhesive layer, 13---the PET specular layer, 14---hard coating.
Embodiment
Come the utility model is further described below in conjunction with embodiment.
As shown in Figure 1, a kind of capacitive touch screen comprises glass substrate 2; It is the induction working lining of capacitive touch screen that the upper surface of glass substrate 2 is provided with an ITO conductive layer 3, the one ITO conductive layers 3, is bonded with mirror film 1 at the upper surface of an ITO conductive layer 3; Adopt mirror film 1 to substitute the conventional glass cover plate; The material of mirror film 1 is soft relatively, has sense of touch preferably, when an ITO conductive layer 3 of mirror film 1 and glass substrate 2 upper surfaces is bonding simultaneously; Can avoid the generation of bubble effectively, thereby guarantee the high product yield.This capacitive touch screen thinner thickness has reduced cost in addition, is applicable to large batch of production, has promoted production efficiency.
As shown in Figure 2, the structure of said mirror film 1 comprises PE substrate layer 11, pressure-sensitive adhesive layer 12 and the PET specular layer 13 that sets gradually from top to bottom.The thickness of the PET specular layer 13 of this mirror film 1 is 260 μ m, and full light penetration Du Keda is more than 80%.PE substrate layer 11 is bonding with PET specular layer 13 through inferior quick glue-line 12, and its thickness is 40 μ m, can anti-fingerprint, greasy dirt and an oil resistance wiping.
Further, be provided with hard coating 14 between said PET specular layer 13 and the pressure-sensitive adhesive layer 12, adopt the 3H cure process, can prevent the screen scratch effectively, it is bonding through pressure-sensitive adhesive layer 12 and hard coating 14 to be beneficial to PE substrate layer 11 simultaneously.
Again further, said mirror film 1 is pasted on the upper surface of an ITO conductive layer 3 through first adhesive layer 4, and first adhesive layer 4 is a silica gel described in the present embodiment, and certain first adhesive layer 4 is also optional with optical cement or acrylic glue.Need to prove that mirror film 1 can be produced in batches individually, the lower surface of its PET specular layer 13 is bonded with the PET stripping film through silica gel layer, mirror film 1 is directly pasted the upper surface of an ITO conductive layer 3 again, thereby can enhance productivity further.
As preferably, it is the induction working lining of capacitive touch screen that the lower surface of said glass substrate 2 is provided with the 2nd ITO conductive layer 5, the two ITO conductive layers 5.Need to prove, be the capacitive touch screen of one deck ITO conductive layer to the induction working lining, and the 2nd ITO conductive layer 5 can be used as screen layer.
Further; A said ITO conductive layer 3 and the 2nd ITO conductive layer 5 are all bound has flexible PCB (FPC); The one ITO conductive layer 3 and the 2nd ITO conductive layer 5 all print and form P.e.c., and the P.e.c. of the P.e.c. of an ITO conductive layer 3 and the 2nd ITO conductive layer 5 is electrically connected with flexible PCB respectively.
Above content is merely the preferred embodiment of the utility model; For those of ordinary skill in the art; According to the thought of the utility model, the part that on embodiment and range of application, all can change, this description should not be construed as the restriction to the utility model.
Claims (7)
1. a capacitive touch screen comprises glass substrate, and the upper surface of glass substrate is provided with an ITO conductive layer, it is characterized in that: the upper surface of an ITO conductive layer is bonded with mirror film.
2. a kind of capacitive touch screen according to claim 1 is characterized in that: the structure of said mirror film comprises PE substrate layer, pressure-sensitive adhesive layer and the PET specular layer that sets gradually from top to bottom.
3. a kind of capacitive touch screen according to claim 2 is characterized in that: the upper surface of said PET specular layer is provided with hard coating.
4. according to claim 1,2,3 any described a kind of capacitive touch screens, it is characterized in that: mirror film is pasted on the upper surface of an ITO conductive layer through first adhesive layer, and said first adhesive layer is optical cement, silica gel or acrylic glue.
5. a kind of capacitive touch screen according to claim 1 is characterized in that: the lower surface of said glass substrate is provided with the 2nd ITO conductive layer.
6. according to claim 1,2,3,5 any described a kind of capacitive touch screens, it is characterized in that: an ITO conductive layer nation has flexible PCB surely.
7. a kind of capacitive touch screen according to claim 5 is characterized in that: an ITO conductive layer and the 2nd ITO conductive layer have all been bound flexible PCB.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200154650U CN202443450U (en) | 2012-01-13 | 2012-01-13 | Capacitive touch screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200154650U CN202443450U (en) | 2012-01-13 | 2012-01-13 | Capacitive touch screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202443450U true CN202443450U (en) | 2012-09-19 |
Family
ID=46824890
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200154650U Expired - Fee Related CN202443450U (en) | 2012-01-13 | 2012-01-13 | Capacitive touch screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202443450U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109659333A (en) * | 2017-10-11 | 2019-04-19 | 上海和辉光电有限公司 | Antireflection blocks water oxygen component and its manufacturing method, flexible display device |
-
2012
- 2012-01-13 CN CN2012200154650U patent/CN202443450U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109659333A (en) * | 2017-10-11 | 2019-04-19 | 上海和辉光电有限公司 | Antireflection blocks water oxygen component and its manufacturing method, flexible display device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204251550U (en) | A kind of optics double sticky tape | |
| CN103176680A (en) | Touch panel and manufacturing method of touch panel | |
| CN204155237U (en) | A kind of New Solid optics double faced adhesive tape and touch-screen thereof and touch-control display module | |
| CN103345346A (en) | Capacitive touch screen and method for binding flexible circuit board thereof | |
| CN201955769U (en) | Capacitive touch screen | |
| CN201576268U (en) | Arc curved projected capacitive touch screen | |
| CN204389828U (en) | A kind of novel glass cover plate of anti-fingerprint | |
| CN203397325U (en) | Touch screen type solid state optical cement full-lamination module with PFF structure | |
| CN103173155B (en) | Composite lamella | |
| CN202443450U (en) | Capacitive touch screen | |
| CN101950225B (en) | Capacitance touch screen and production method thereof | |
| CN202422094U (en) | Capacitive touch screen | |
| CN202600666U (en) | Capacitive touch screen | |
| CN203535600U (en) | Flexible thick film integrated touch display device | |
| CN201788496U (en) | Capacitive touch screen | |
| CN204009844U (en) | A kind of capacitance touch screen | |
| CN203311380U (en) | P+G structured touch-screen mouth-shaped-adhesive bonded module | |
| CN204066058U (en) | Sapphire touch-screen and terminal | |
| CN203706170U (en) | GFF structure touch screen type liquid state optical cement full-bonding module | |
| CN203433488U (en) | Touch-screen-type liquid optical cement full-lamination module of PFF structure | |
| CN203102213U (en) | Modified capacitive touch screen | |
| CN203397324U (en) | Touch screen type solid state optical cement full-lamination module with GFF (Gain Flatness Filter) structure | |
| CN202486750U (en) | Capacitive touch screen | |
| CN103853396A (en) | Capacitive touch screen | |
| CN203311381U (en) | P+F structured touch-screen mouth-shaped-adhesive bonded module |
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: 20120919 Termination date: 20180113 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |