CN205310987U

CN205310987U - Touch -sensitive screen laminating is with bubble celloidin

Info

Publication number: CN205310987U
Application number: CN201620044895.3U
Authority: CN
Inventors: 沈学良
Original assignee: SUZHOU NEW TOUCH TECHNOLOGY CO LTD
Current assignee: SUZHOU NEW TOUCH TECHNOLOGY CO LTD
Priority date: 2016-01-19
Filing date: 2016-01-19
Publication date: 2016-06-15
Anticipated expiration: 2026-01-19

Abstract

The utility model provides a touch -sensitive screen laminating is with bubble celloidin, including the bubble celloidin, attached the peeling paper of the gluey one side in bubble celloidin area the another side that gluey facial features is right of bubble celloidin is laminated and is had the PET membrane be provided with the round joint -cutting on the bubble celloidin, the joint -cutting pierces through the peeling paper with touch behind the bubble celloidin PET membrane and bubble celloidin contact surface simultaneously will the bubble celloidin divide into mutually independent inner core part and centers on frame part outside the inner core part. Owing to there is the PET membrane to exist for bubble celloidin frame partly can rely on inner core part and PET membrane to realize finalizing the design, makes it appear in attached time invariant, reduces defective products rate when attached.

Description

Touch screen laminating foam rubber

Technical field

This utility model relates to touch screen, refers in particular in foam rubber on the touchscreen of fitting.

Background technology

Touch screen is as a kind of sensor, and in all trades and professions such as life, manufacturing industry, application is more and more extensive. The touch screen commercially used at present is roughly divided into two big classes, resistive touch screen and capacitive touch screen.

Resistive touch screen is substantially all scribble ITO(nano indium tin metal-oxide in the one side that the thin film structure plus glass, thin film and glass are adjacent) coating, ITO has good electric conductivity and the transparency. When touch operation, the ITO of thin film lower floor can touch the ITO of glass superstrate, spreads out of the corresponding signal of telecommunication via induction apparatus, processor is delivered to through change-over circuit, it is converted into the X on screen, Y value by computing, and completes the action clicked, and be presented on screen. The operation principle of electric resistance touch screen realizes the operation to screen content and control mainly by pressure sensitive principle, this screen body of touch screen part is one piece of multi-layer compound film coordinated with display surface very resistive touch screen, wherein ground floor is glass or lucite bottom, the second layer is interlayer, third layer is polynary resin surface layer, surface is also coated with the conductive layer of layer of transparent, is stamped one layer of outer surface scratch resistant plastic layer hardened, smooth above again. Conducting shell and glassy layer induction apparatus at polynary fat skin surface are separated electric current by top layer by many small interlayers, when touching top layer pressure, touch bottom, and controller reads the electric current matched simultaneously and calculates the distance of finger position from four angles. This touch screen utilizes the conductive layer composition touch screen of two-layer high transparency, and the spacing of two-layer is only 2.5 microns. When a finger is touching the screen, the two conductive layers of usual mutually insulated has just had a contact in position, touch point, the 5V even voltage field of a cause wherein conductive layer connection Y direction, the voltage making detecting layer is become non-zero from zero, and controller carries out A/D conversion after detecting this connection, and by the magnitude of voltage that obtains compared with 5V, the Y-axis coordinate of touch point, in like manner draw the coordinate of X-axis, here it is the most basic principle that all resistive technologies touch screens are common.

Capacitance-type touch screen technology is that the electric current sensing utilizing human body is operated.Capacitive touch screen is one piece of four layers of compound glass screen; the inner surface of glass screen and interlayer respectively scribble one layer of ITO, and outermost layer is a thin layer silicon soil glassivation, and interlayer ITO coating is as work surface; drawing four electrodes on four angles, internal layer ITO is that screen layer is to ensure good working environment. When finger touches on the metal layer, coupling electric capacity owing to human body electric field, user and touch screen surface are formed with one, for high frequency electric, electric capacity is direct conductor, and then finger siphons away an only small electric current from contact point. This electric current flows out respectively from the electrode the corner of touch screen, and the distance of the electric current and finger to corner flowing through these four electrodes is directly proportional, and controller, by the accurate calculating to these four current ratios, draws the position of touch point. Capacitance plate to realize multi-point touch, the electrode being just to increase mutual capacitance leaned on, briefly, it is exactly by screen block, arranging one group of mutual capacitance module in each region is work alone, so capacitance plate just can independent detection to the touch-control situation in each region, after processing, realize multi-point touch simply. Resistive touch screen and capacitive touch screen are more and more extensive in every field application, and the production scale of touch screen is also therefore increasing.

Touch screen is ITO conductive film (be commonly called as and reach the standard grade) and electro-conductive glass (be commonly called as and roll off the production line) to be combined by optics double faced adhesive tape. The touch screen made has a transparent window district. When by touch-screen applications on the product such as mobile phone, navigator, it is necessary to touch screen and miscellaneous part are fit together. Therefore, some customer requirements make a fixing laminating glue line of circle outside touch screen transparent viewfinder area. The calymma adopted at present is cotton, and foam rubber is cut into the square box of hollow by cutting knife, then square frame-like foam is fitted in touch screen transparent viewfinder area peripheral. Although this way well meets customer demand, but owing to the square box foam of hollow is easily deformed in laminating process, often occurs that foam has been attached in transparent window district, affect the bad phenomenon that touch screen uses.

Summary of the invention

Technical problem to be solved in the utility model is to provide a kind of touch screen laminating foam rubber, and it can improve touch screen foam rubber laminating yields.

For solving above-mentioned technical problem, the technical scheme that this utility model provides is a kind of touch screen laminating foam rubber, including foam rubber, it is attached to the peeling paper of described foam tape glue one side, it is characterized in that the another side the glue surface of described foam rubber is relative is fitted with PET film, described foam rubber is provided with a circle joint-cutting, described joint-cutting penetrates described peeling paper and touches described PET film after described foam rubber and contact with foam rubber the surface of one side, the outer outer frame part described foam rubber being divided into separate inner core part with being centered around described inner core and divide.

Described joint-cutting is a square joint-cutting of circle.

The foam rubber being fitted with PET film of the present utility model, before laminating, foam rubber cuts out a circle joint-cutting with cutting knife, outer frame part foam rubber being divided into inner core part and be centered around inner core part, owing to PET film is not cut open, therefore, inner core part and outer frame part all adhere on a pet film, owing to inner core part exists, the foam rubber of outer frame part is then not easy deformation. When attaching, first peel off the peeling paper in outer frame part foam rubber, the foam rubber with PET film is entirely attached after on the touchscreen, after peeling off the PET film of outer frame part, related for PET film inner core part is taken off together from touch screen.By increasing PET film, make inner core part and outer frame part adhere to respectively on a pet film as independent sector, it is therefore prevented that outer frame part deformation, improve foam rubber and attach yields.

Accompanying drawing explanation

Fig. 1, this utility model foam rubber planar structure schematic diagram.

Fig. 2, this utility model sectional structure schematic diagram.

Fig. 3, sectional structure schematic diagram during this utility model fit-state.

Detailed description of the invention

For technique scheme, now lift a preferred embodiment and be specifically described in conjunction with diagram. Referring to Fig. 1 to Fig. 3, foam rubber of the present utility model includes the foam rubber 1 of one side glue, paster 2, PET film 3, joint-cutting 4.

The foam rubber 1 of touch screen laminating, for the foam rubber of one-side band glue, is pasted with strippable peeling paper 2 in the glue surface of one-side band glue. The foam rubber another side that peeling paper is relative is pasted with one layer of PET film 3, and PET film is attached with one layer of glue-line, it is easy to paste. PET film has the transparency, through PET film it can be seen that foam rubber, when carrying out touch screen and attaching, it is easy to see foam rubber position, it is prevented that patch is partially. By cutting knife, the foam rubber with PET film is cut into touch screen size, then passes through cutting knife and from peeling paper side, foam rubber is cut, foam rubber cuts out a circle joint-cutting 4, foam rubber is divided into inner core part 11 and outer frame part 12. Peeling paper and foam rubber are only cut by joint-cutting 4, touch the surface contacted with foam rubber to PET film and namely stop. When carrying out foam rubber and fitting on touch screen, tear the peeling paper at outer frame part foam rubber glue surface place off, then foam rubber is attached on the touchscreen, make outer frame part be in outside viewfinder area. PET film being peeled off from outer frame part, the peeling paper that PET film connects foam rubber inner core part and the interior section place adhered in PET film takes off together, completes foam rubber attaching on the touchscreen. Exist with PET film so that foam rubber outer frame part can rely on inner core part and PET film to realize sizing so that it is indeformable when attaching, and reduces defective products rate when attaching.

Claims

1. a touch screen laminating foam rubber, including foam rubber, it is attached to the peeling paper of described foam tape glue one side, it is characterized in that the another side the glue surface of described foam rubber is relative is fitted with PET film, described foam rubber is provided with a circle joint-cutting, described joint-cutting penetrates described peeling paper and touches described PET film after described foam rubber and contact with foam rubber the surface of one side, the outer outer frame part described foam rubber being divided into separate inner core part with being centered around described inner core and divide.

2. touch screen laminating foam rubber according to claim 1, it is characterised in that described joint-cutting is a square joint-cutting of circle.