CN202167005U - Capacitance touch screen - Google Patents
Capacitance touch screen Download PDFInfo
- Publication number
- CN202167005U CN202167005U CN2011201772542U CN201120177254U CN202167005U CN 202167005 U CN202167005 U CN 202167005U CN 2011201772542 U CN2011201772542 U CN 2011201772542U CN 201120177254 U CN201120177254 U CN 201120177254U CN 202167005 U CN202167005 U CN 202167005U
- Authority
- CN
- China
- Prior art keywords
- glass
- touch screen
- substrate
- glass substrate
- plastic parts
- 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
Abstract
The utility model provides a capacitance touch screen, comprising a glass film substrate and a touch induction glass substrate arranged oppositely, wherein the side edges of the touch induction glass substrate are adhered with appearance-changeable plastic parts by a first adhesive layer; the appearance-changeable plastic parts are combined with the touch induction glass substrate integrally; and the combined structure is combined with the glass film substrate by a second adhesive layer. In the capacitance touch screen provided by the utility model, a glass film is used as an upper layer, the combined structure of the appearance-changeable plastic parts and the touch induction glass substrate is used as a lower layer, and the touch induction glass substrate can employ a touch induction glass chip with a conventional thickness, thus material cost is saved and product yield is further promoted; in addition, as the glass film is used as the upper layer and a glass induction chip with enough strength is used as the substrate in an operation area of the lower layer takes, finger touch of the whole product indicates the effect of a completely vitrified capacitance screen; owing to no feeling of collapse, terminal user experience is improved greatly.
Description
Technical field
The utility model belongs to the touching technique field, relates in particular to a kind of capacitance touch screen.
Background technology
Along with electronics and development of semiconductor, touch technology is becoming a kind of main flow of fashion as a kind of man-machine interaction scheme extremely easily and effectively.A lot of fields in social production and life have obtained using widely at present, and especially development is rapid in the consumer electronics product field.Touch screen technology is of a great variety, mainly comprises resistance-type, infrared type, surface acoustic wave type and emerging optical profile type, pressure inductive and condenser type etc., and relative merits are respectively arranged, and the intended application market of oneself is also respectively arranged.
But because the restriction of principle and technological process, the touch technology that is applied in the small-medium size field is main with resistance-type and condenser type, and wherein the resistive touch screen development is more of a specified duration, and technology is comparatively ripe, and cost is relatively low; And the durability of capacitive touch screen and weatherability all are greatly improved at present; Simultaneously can effectively support multiple point touching; So since the iphone of apple released, capacitive touch screen had got into explosive growth, has much the impetus of comprehensive replacement resistive touch screen.
The technology that is present in the capacitive touch screen in the small-medium size consumer products such as mobile phone at present has two types: one type is to be the glass type projected capacitive touch technology of representative with the apple series product; Usually the upper strata is the glass mirror that plays decorative effect through the monolithic that numerically-controlled machine processing and tediously long technology such as chemical enhanced are processed; Lower floor has been the ultra-thin glass sensing chip of touch-control sensing function, is bonded together through optical lens gelatin (OCA) or UV glue etc. between the two.Another kind of is diaphragm type projected capacitive touch technology; Its surface is to play the glass mirror of decorative effect or the plastic lens of direct numerical control machine tooling through the monolithic that numerically-controlled machine processing and tediously long technology such as chemical enhanced are processed; The sensing chip of lower floor then by a conductive film that plays the directions X induction, the conductive film etc. that plays the conductive film of Y direction inductor and play shield effectiveness at least 3-4 layer film material successively bond and form; With respect to the glass type touch technology, the topmost competitive edge of diaphragm type touch technology is can develop gentlier, thinner, the lower contact panel of while cost.Yet because the use of panel computer must be born a large amount of touchings, diaphragm type touch technology durability of products is relatively poor, becomes the relative disadvantage in its competition.
But two kinds of capacitance touching control technology recited above all exist corresponding drawback: the glass mirror on glass type touch technology upper strata is because through precise numerical control machine processing and tediously long manufacturing process such as chemical enhanced; Costco Wholesale is higher; The ultra-thin glass sensing chip of touch-control sensing function plays because of very thin thickness in lower floor, and the prices of raw and semifnished materials are high, and production run glass is prone to broken simultaneously; The yield loss is bigger, causes the touch control component price high always at last.The way that diaphragm type touch technology upper strata adopts plastic cement directly to process; Can reduce cost effectively, but the touch-control sensing sheet that lower floor successively bonds and forms for 3-4 layer conductive film at least, and the cost of raw material can cause the sensing chip cost higher with the bonding yield; Simultaneously because the softer characteristic of plastic cement itself; Cause having used the sense of subsiding, easy damaged display screen when firmly pushing causes user experience greatly to reduce.
Summary of the invention
The purpose of the utility model is that to solve in the prior art glass type and diaphragm type touch technology cost higher; And the diaphragm type touch technology uses the technical matters of subsiding sense, causing user experience greatly to reduce when pushing; Provide a kind of cost lower, do not have the capacitive touch screen that subsides and feel and can strengthen user experience.
A kind of capacitance touch screen; Comprise the glass film substrate and the touch sensible glass substrate that are oppositely arranged; The lateral edges of said touch sensible glass substrate is bonded with the plastic parts of shape variableization through first tack coat; The plastic parts of shape variableization and touch sensible glass substrate are combined into an integral body, and this composite monolithic is through second tack coat and said glass film substrate in combination.
Further, the thickness of said glass film substrate is the 0.03-0.4 millimeter.
Further, the material of said glass film substrate is the compound of glass or glass and polyethylene terephthalate.
Further, the appearance of said glass film substrate is formed with surface decoration layer, and the thickness of said surface decoration layer is the 4-20 micron.
Further, the thickness of the plastic parts of said shape variableization and touch sensible glass substrate composite monolithic is the 0.5-1.5 millimeter.
Further, also be provided with reference column on the plastic parts of said shape variableization.
Further, the marginal gap between said touch sensible glass substrate and the plastic parts is the 0.25-0.5 millimeter.
Further, the surface of said touch sensible glass substrate is provided with the contact induction zone, and said contact induction zone is formed by indium tin oxide electrode layer.
Further, said indium tin oxide electrode layer is drawn through molybdenum aluminium molybdenum electrode cabling.
Further, the material of said first tack coat is a kind of in ultraviolet curing glue, heat oven dry glue, Instant cement and the silica gel.
In the capacitive touch screen that the utility model provides; Glass film is adopted on said upper strata; Lower floor adopts the plastic parts of shape variableization and the composite monolithic of touch sensible glass substrate; The touch sensible glass substrate can adopt the touch sensible glass substrate of conventional thickness; Through the bond way of ultra-thin touch-control sensing sheet of optical cement bonding 3-4 layer conduction touch-control sensing chip or the glass mirror lower surface through the complicated technology processing procedure, not only save material cost than plastic lens lower surface in the prior art, also improved the yield of product.Simultaneously; Glass film is used on the upper strata, and lower floor's operating area uses the glass sensing chip of sufficient intensity as substrate, and the planarization of integral product, light transmission and finger allodynia have all reached the effect of complete vitrifacation capacitance plate; Use the sense of not subsiding, end-user experience is greatly improved.
Description of drawings
Fig. 1 is the capacitive touch screen structural representation that the utility model provides.
Fig. 2 is the plastic parts that provides of the utility model and the composite structure synoptic diagram of touch sensible glass substrate.
Embodiment
Clearer for technical matters, technical scheme and beneficial effect that the utility model is solved, below in conjunction with embodiment, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
Please refer to shown in Figure 1; A kind of capacitance touch screen; Comprise the glass film substrate 2 and touch sensible glass substrate 1 that are oppositely arranged; The lateral edges of said touch sensible glass substrate 1 is bonded with the plastic parts 3 of shape variableization through first tack coat 4, and the plastic parts 3 and the touch sensible glass substrate 1 of shape variableization are combined into an integral body, and this composite monolithic is through second tack coat 5 and said glass film substrate 2 combinations.
In the capacitive touch screen that the utility model provides; Glass film is adopted on said upper strata; Lower floor adopts the plastic parts of shape variableization and the composite monolithic of touch sensible glass substrate; The touch sensible glass substrate can adopt the touch sensible glass substrate of conventional thickness; Through the bond way of ultra-thin touch-control sensing sheet of optical cement bonding 3-4 layer conduction touch-control sensing chip or the glass mirror lower surface through the complicated technology processing procedure, not only save material cost than plastic lens lower surface in the prior art, also improved the yield of product.Simultaneously; Glass film is used on the upper strata, and lower floor's operating area uses the glass sensing chip of sufficient intensity as substrate, and the planarization of integral product, light transmission and finger allodynia have all reached the effect of complete vitrifacation capacitance plate; Use the sense of not subsiding, end-user experience is greatly improved.
Wherein, The material of said glass film substrate 2 is the compound of glass or glass and polyethylene terephthalate; The compound of said glass and polyethylene terephthalate (PET) is meant and on the PET film, forms the vitrified material silicon dioxide of one deck; The glass film substrate 2 that forms thus is a flexible material, is convenient to fast a large amount of processings, is real glass sensation when the user is touched.The thickness of said glass film substrate 2 is the 0.03-0.4 millimeter, and the thickness of glass film substrate 2 is thinner, makes that the induction pattern on the touch sensible glass substrate 1 is nearer apart from staff, and Operational Figure Of Merit is improved; Preferably, the thickness of said glass film substrate is 0.25 millimeter.
Further, the appearance of said glass film substrate 2 is formed with surface decoration layer, and said surface decoration layer forms through carry out back up at the glass film substrate, and the mode of formation can also adopt silk-screen, bat printing, spraying, plating etc. except printing; The thickness of said surface decoration layer is the 4-20 micron.
Said touch sensible glass substrate can adopt the touch sensible glass substrate of conventional thickness, and the touch sensible glass substrate thickness of conventional thickness is thicker, makes that the induction pattern distance display screen on the touch sensible glass substrate is farther; On the contrary, the induction pattern is nearer apart from staff, and operation is can be more sensitive, for the flexibility ratio and the difficulty of follow-up chip debugging work all provides convenience.The surface of said touch sensible glass substrate is provided with the contact induction zone; Said contact induction zone is formed by indium tin oxide electrode layer; The surface has individual layer induction pattern or multilayer induction pattern, discerns user's input mode, plays the effect of strength support simultaneously.The mode that forms indium tin oxide electrode layer can adopt touch-screen to make common plated film, exposure, development, the etched gold-tinted Process in field, and the induction pattern of indium tin oxide electrode layer is formed on glass substrate surface.
It will be apparent to those skilled in the art that said contact induction zone except that by tin indium oxide forms, also can adopt in fluorine doped tin oxide, Al-Doped ZnO, the indium-zinc oxide any one.Further, through extraction electrode the induction pattern of indium tin oxide electrode layer shape is drawn, the material of said extraction electrode is a molybdenum aluminium molybdenum, perhaps draws through the mode of serigraphy acid-proof ink and ag paste electrode.Usually, said induction pattern and extraction electrode are formed on the glass substrate of a sheet, can use glass cutter to be cut into concrete some small pieces according to design size and specification when specifically using.
Please refer to shown in Figure 2; The plastic parts 3 of said shape variableization adopts the common plastic mould injection moulding process straight forming of plastic cement industry; Further on the plastic parts of said shape variableization, also be provided with reference column 31; This reference column is used for the location when successive process is assembled with electronic product casing, efficiently solves assembling back electronic product casing and the outward appearance slit of touch-screen product and the homogeneity question in slit.Plastic parts 3 after the moulding is accurately positioned in the appropriate location of touch sensible glass substrate 1 lateral edges earlier through stationary installation, the high precision point gum machine 6 common with the display screen encapsulation field carries out compound at the even coating of cohesive position first tack coat 4 of plastic parts 3 and touch sensible glass substrate 1.Simple and Easy Gauge, anchor clamps that said stationary installation can adopt the technician to make get final product, and described tool, anchor clamps are easy to make realization for a person skilled in the art; Perhaps, said stationary installation also can be that other can realize the accurately device of location.
The plastic parts 3 of said shape variableization is through the lateral edges bonding compound tense of first tack coat 4 with said touch sensible glass substrate 1; Marginal gap between said touch sensible glass substrate and the plastic parts is the 0.25-0.5 millimeter; If be connected the gap greater than 0.5 millimeter between touch sensible glass substrate and the plastic parts, can cause the waste of binding material; If less than 0.25 millimeter, can cause touch sensible glass substrate and plastic parts bonding firm inadequately, be preferably 0.4 millimeter.Further, comprise also plastic parts after compound 3 and touch sensible glass substrate 1 are cured that said curing can adopt the general high-energy ultraviolet stove of industry to be cured, the condition of said curing is known for those skilled in the art, no longer explains at this.
As concrete embodiment, the material of said first tack coat 4 is a kind of in ultraviolet curing glue, heat oven dry glue, Instant cement and the silica gel; Preferably, the material of said first tack coat is a ultraviolet curing glue.
As a kind of concrete embodiment, the plastic parts 3 of said shape variableization and the thickness of touch sensible glass substrate 1 composite monolithic are the 0.5-1.5 millimeter.After the lateral edges of touch sensible glass substrate 1 and plastic parts 3 bondings are compound; The composite monolithic and the glass film substrate 2 that form carry out compound through second tack coat 5; The lateral edges of plastic parts 3 aligns with the lateral edges of glass film substrate 2 basically, so that the contraposition of follow-up electronic product assembling.Touch sensible glass substrate 1 and composite monolithic and glass film substrate 2 compound tenses that plastic parts 3 forms can adopt roller to push second tack coat 5 and carry out compound.Further, put into the pressure cooker pressurization after compound to remove the visible bubble in bubble between each layer, its pressure is 0.2-1.0MPa, and the time is 10-30 minute; Preferably, said pressure is 0.5MPa, and the time is 20 minutes.
The above is merely the preferred embodiment of the utility model; Not in order to restriction the utility model; Any modification of being done within all spirit and principles at the utility model, be equal to replacement and improvement etc., all should be included within the protection domain of the utility model.
Claims (10)
1. capacitance touch screen; It is characterized in that; Comprise the glass film substrate and the touch sensible glass substrate that are oppositely arranged; The lateral edges of said touch sensible glass substrate is bonded with the plastic parts of shape variableization through first tack coat, and the plastic parts of shape variableization and touch sensible glass substrate are combined into an integral body, and this composite monolithic is through second tack coat and said glass film substrate in combination.
2. capacitance touch screen according to claim 1 is characterized in that, the thickness of said glass film substrate is the 0.03-0.4 millimeter.
3. capacitance touch screen according to claim 1 is characterized in that, the material of said glass film substrate is the compound of glass or glass and polyethylene terephthalate.
4. capacitance touch screen according to claim 1 is characterized in that the appearance of said glass film substrate is formed with surface decoration layer, and the thickness of said surface decoration layer is the 4-20 micron.
5. capacitance touch screen according to claim 1 is characterized in that, the thickness of the plastic parts of said shape variableization and touch sensible glass substrate composite monolithic is the 0.5-1.5 millimeter.
6. capacitance touch screen according to claim 1 is characterized in that, also is provided with reference column on the plastic parts of said shape variableization.
7. capacitance touch screen according to claim 1 is characterized in that, the marginal gap between said touch sensible glass substrate and the plastic parts is the 0.25-0.5 millimeter.
8. capacitance touch screen according to claim 1 is characterized in that the surface of said touch sensible glass substrate is provided with the contact induction zone, and said contact induction zone is formed by indium tin oxide electrode layer.
9. capacitance touch screen according to claim 8 is characterized in that, said indium tin oxide electrode layer is drawn through molybdenum aluminium molybdenum electrode cabling.
10. capacitance touch screen according to claim 1 is characterized in that, the material of said first tack coat is a kind of in ultraviolet curing glue, heat oven dry glue, Instant cement and the silica gel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201772542U CN202167005U (en) | 2011-05-30 | 2011-05-30 | Capacitance touch screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201772542U CN202167005U (en) | 2011-05-30 | 2011-05-30 | Capacitance touch screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202167005U true CN202167005U (en) | 2012-03-14 |
Family
ID=45802819
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201772542U Expired - Fee Related CN202167005U (en) | 2011-05-30 | 2011-05-30 | Capacitance touch screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202167005U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103713764A (en) * | 2013-08-28 | 2014-04-09 | 福建宝发光电科技有限公司 | 3D silkscreened OGS touchscreen and production method thereof |
| CN103885651A (en) * | 2012-12-21 | 2014-06-25 | 苏州市健邦触摸屏技术有限公司 | Modified capacitive touch screen |
-
2011
- 2011-05-30 CN CN2011201772542U patent/CN202167005U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103885651A (en) * | 2012-12-21 | 2014-06-25 | 苏州市健邦触摸屏技术有限公司 | Modified capacitive touch screen |
| CN103713764A (en) * | 2013-08-28 | 2014-04-09 | 福建宝发光电科技有限公司 | 3D silkscreened OGS touchscreen and production method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102279682B (en) | The manufacture method of Novel capacitance type touch screen | |
| CN201402457Y (en) | Mutual capacitance type touch screen | |
| CN103365459B (en) | Frame structure and combinations thereof method | |
| CN110780776A (en) | Flexible touch cover plate, preparation method thereof and flexible touch display screen | |
| CN201576268U (en) | Arc curved projected capacitive touch screen | |
| CN202486763U (en) | Flexible capacitive touch screen | |
| CN202167005U (en) | Capacitance touch screen | |
| CN202495007U (en) | Touch tablet | |
| CN201383138Y (en) | Novel projection-type touch screen utilizing capacitive technology | |
| CN211062023U (en) | Touch display module with three-dimensional touch points | |
| CN107894864B (en) | Flexible touch screen structure and manufacturing method thereof | |
| CN102033671B (en) | Conductive film complex structure body, capacitive touch screen and its use preparation method | |
| CN103287054A (en) | Panel fitting method and finished product by using same | |
| CN205121531U (en) | Ultra -thin touch -sensitive screen structure of curved surface | |
| CN207557914U (en) | A kind of flexible touch screen structure | |
| CN202649963U (en) | Touch panel | |
| CN203311380U (en) | P+G structured touch-screen mouth-shaped-adhesive bonded module | |
| CN202795316U (en) | Capacitance type touch screen | |
| CN204719720U (en) | A kind of Ya Like capacitance touch screen | |
| TWI480999B (en) | Compound induction electrode structure applied to a touch panel | |
| CN203455814U (en) | Touch screen of single-layer glass structure | |
| CN202904548U (en) | Composite material type touch screen | |
| CN204719706U (en) | A kind of multilayer heat radiation type capacitance touch screen | |
| CN203733091U (en) | Double-layer multipoint flexible capacitive touch screen | |
| CN103902128A (en) | Tactile-type capacitive screen and manufacturing method thereof |
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: 20120314 Termination date: 20160530 |