CN201440251U

CN201440251U - Touch screen

Info

Publication number: CN201440251U
Application number: CN2009201337981U
Authority: CN
Inventors: 张红娜
Original assignee: BYD Co Ltd
Current assignee: Shenzhen Holitech Optoelectronics Co Ltd
Priority date: 2009-07-10
Filing date: 2009-07-10
Publication date: 2010-04-21
Anticipated expiration: 2019-07-10

Abstract

The utility model relates to a touch screen, which comprises an upper surface decoration layer, an upper conduction circuit, an insulation layer, a lower conduction circuit and a lower support plate that are arranged from top to bottom sequentially, wherein the lower surface of the upper surface decoration layer or the upper surface of the upper conduction circuit is provided with a glue coating area; the glue coating area is coated with glue used for sticking upper surface decoration layer and the upper conduction circuit; and a double-faced adhesive tape is clamped between the lower conduction circuit and the lower support plate. In the touch screen provided by the utility model, the upper surface decoration layer and the upper conduction circuit are stuck with the glue, and the lower conduction circuit and the lower support plate are stuck with the double-faced adhesive tape, thereby avoiding bubbles, saving the defoaming technique in the prior art and improving the quality of the touch screen product to a certain degree.

Description

A kind of touch-screen

[technical field]

The utility model relates to the touch screen technology field.

[background technology]

At present, along with the multifunction and the diversified progress of various electronic devices such as mobile phone or automobile navigation apparatus, the touch-screen that photopermeability is installed in the front of liquid crystal display cells has become technology in vogue day by day.

In the manufacture craft of present touch-screen, generally comprise surface decoration layer, optical lens gelatin, the circuit of reaching the standard grade, insulating tape, the circuit that rolls off the production line, optical lens gelatin and following back up pad in the existing structure.Wherein the surface decoration layer and the link tester of reaching the standard grade are crossed the optical lens gelatin and are fitted, roll off the production line and fit by the optical lens gelatin between circuit and the following back up pad, but all be easy to when fitting in the process of fitting, produce bubble for the mode that all adopts the optical lens gelatin respectively, tend to increase de-bubble technology thus, and the de-bubble technology in the production operation process, may cause the bending of touch-screen product surface, influence the quality of product.

[utility model content]

In its process, produce bubble easily when the assembly of touch-screen being bondd at available technology adopting optical lens gelatin, thereby in its de-foaming process process, can cause the not high defective of product quality, the utility model does not have bubble and produces when a kind of bonding is provided, thus the touch-screen that its product quality can be protected.

The technical scheme of this utility model is achieved in that a kind of touch-screen, comprise according to last and upper surface decorative layer that arrange down, go up conducting wire, insulation course, conducting wire and lower supporting plate down, wherein, the lower surface of described upper surface decorative layer or described on the conducting wire upper surface be provided with the glue application district, the district is coated with glue in described glue application, in order to described upper surface decorative layer and the described conducting wire of going up of boning, between described conducting wire down and described lower supporting plate, be gripped with double faced adhesive tape.

The touch-screen that this utility model provides, owing to traditional being used to bondd upper surface decorative layer and last conducting wire, and the optical lens gelatin of following conducting wire and lower supporting plate, adopt good glue of adhesive property and double faced adhesive tape to substitute respectively, solved when adopting the optical lens gelatin that the assembly of touch-screen is bondd and in its process, produced bubble easily, thereby in its de-foaming process process, can cause the not high problem of product quality, make in this touch-screen, described upper surface decorative layer and last conducting wire are being bondd by glue, after described down conducting wire and lower supporting plate are bondd by double faced adhesive tape, can avoid the generation of its bubble, save de-foaming process of the prior art, and improved the quality of touch-screen product to a certain extent.

Feature of the present utility model and advantage will be elaborated in conjunction with Figure of description by embodiment.

[description of drawings]

The fractionation structural representation of a kind of embodiment of touch-screen that Fig. 1 provides for the utility model;

The structural representation of a kind of embodiment of touch-screen that Fig. 2 provides for the utility model;

The glue application district synoptic diagram of a kind of embodiment of touch-screen that Fig. 3 provides for the utility model.

[embodiment]

In order to make the purpose of this utility model, technical scheme and advantage clearer,, the utility model is further elaborated below in conjunction with drawings and Examples.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.

As Fig. 1 and shown in Figure 2, a kind of touch-screen that the utility model provides, (for example comprise according to last and upper surface decorative layer 1 that arrange down, the LOGO that can comprise product on it, model and icon etc.), last conducting wire 3, insulation course 5, following conducting wire 6 and lower supporting plate 8, wherein, the lower surface of described upper surface decorative layer 1 or described on conducting wire 3 upper surfaces be provided with the glue application district, be coated with glue 2 in described glue application district 200, in order to described upper surface decorative layer 1 and the described conducting wire 3 of going up of boning, between described conducting wire 6 down and described lower supporting plate 8, be gripped with double faced adhesive tape 7.

With reference to Fig. 3, shape according to the known described insulation course 5 of present technique field those of ordinary skill, in a kind of embodiment of the present utility model, described glue application district 200 the lower surface of described upper surface decorative layer 1 or described on conducting wire 3 upper surfaces be " mouth " font and distribute, the inward flange of its " mouth " font does not stretch into the viewfinder area 100 of described touch-screen, and the outward flange of its " mouth " font is no more than the described outward flange of going up conducting wire 3.Specifically, the 0.2mm that contracts in the outward flange of the outward flange in its glue application district 200 than the last conducting wire 3 of touch-screen, the inward flange in its glue application district 200 are than the viewfinder area 100 of touch-screen, or the functional area externally expanding single edge 0.3mm of upper surface decorative layer 1.Here it should be noted that the window area of the viewfinder area 100 of described touch-screen, icon place, receiver, microphone, camera place, half through-hole position do not allow glue 2 when carrying out glue 2 coatings.

According to an embodiment of the present utility model, the thickness that is coated on the described glue 2 in described glue application district 200 is 0.01mm-0.1mm, and the shrinkage factor of described glue is less than 1%.

According to an embodiment of the present utility model, the thickness of described double faced adhesive tape 7 is 0.03mm-0.2mm, and the shrinkage factor of described double faced adhesive tape is less than 1%.And according to the shape of the known described insulation course 5 of present technique field those of ordinary skill, the shape of this double faced adhesive tape 7 need be decided according to conducting wire under the touch-screen 6 and lower supporting plate 8.In a kind of embodiment of the present utility model, described double faced adhesive tape 7 can be " mouth " font and distribute, and the inward flange of its " mouth " font does not stretch into the viewfinder area 100 of described touch-screen, and the outward flange of its " mouth " font is no more than the described outward flange of conducting wire 6 down.Specifically, the 0.2mm that contracts in the outward flange of the outward flange of its double faced adhesive tape 7 than the following conducting wire 6 of touch-screen, the inward flange of its double faced adhesive tape 7 are than the viewfinder area 100 of touch-screen, or the functional area externally expanding single edge 0.3mm of upper surface decorative layer 1.Here it should be noted that the window area of the viewfinder area 100 of described touch-screen, icon place, receiver, microphone, camera place, half through-hole position do not allow glue 2 when carrying out glue 2 coatings.In addition, under situation for the intensity of touch-screen and other performance need specific (special) requirements, described double faced adhesive tape 7 can be covered with in the gap between described conducting wire 6 down and the lower supporting plate 8 for complete, and described conducting wire 6 and lower supporting plate 8 down so more closely can bond.

Refer again to Fig. 1, the touch-screen that the utility model provides also comprises the FPC soft board, and described FPC soft board 4 is folded in described going up between conducting wire 3 and the following conducting wire 6.In an embodiment of the present utility model, its FPC soft board 4 concrete positions are concordant with insulation course, promptly be in together on the surface level, because this FPC soft board 4 will be respectively and upper and lower conducting wire conducting, so the insulation course at this place must be provided with a breach, this breach is used for placing FPC soft board 4.For the selection of described FPC soft board 4 and to be arranged as those skilled in the art in common knowledge, do not do too much here and give unnecessary details.

The touch-screen that this utility model provides, owing to traditional being used to bondd upper surface decorative layer 1 and last conducting wire 3, and the optical lens gelatin of following conducting wire 6 and lower supporting plate 8, adopt adhesive property good glue 2 and double faced adhesive tape 7 to substitute respectively, solved when adopting the optical lens gelatin that the assembly of touch-screen is bondd and in its process, produced bubble easily, thereby in its de-foaming process process, can cause the not high problem of product quality, make in this touch-screen, described upper surface decorative layer 1 and last conducting wire 3 are being bondd by glue 2, after described conducting wire 6 down and lower supporting plate 8 are bondd by double faced adhesive tape 7, can avoid the generation of its bubble, save de-foaming process of the prior art, and improved the quality of touch-screen product to a certain extent.

The above only is preferred embodiment of the present utility model; not in order to restriction the utility model; all any modifications of within spirit of the present utility model and principle, being done, be equal to and replace and improvement etc., all should be included within the protection domain of the present utility model.

Claims

1. touch-screen, comprise according to last and upper surface decorative layer that arrange down, go up conducting wire, insulation course, conducting wire and lower supporting plate down, it is characterized in that, the lower surface of described upper surface decorative layer or described on the conducting wire upper surface be provided with the glue application district, the district is coated with glue in described glue application, in order to described upper surface decorative layer and the described conducting wire of going up of boning, between described conducting wire down and described lower supporting plate, be gripped with double faced adhesive tape.

2. touch-screen according to claim 1 is characterized in that, the thickness of described glue is 0.01mm-0.1mm.

3. touch-screen according to claim 2 is characterized in that the shrinkage factor of described glue is less than 1%.

4. touch-screen according to claim 1 is characterized in that, the thickness of described double faced adhesive tape is 0.03mm-0.2mm.

5. touch-screen according to claim 4 is characterized in that the shrinkage factor of described double faced adhesive tape is less than 1%.

6. touch-screen according to claim 1, it is characterized in that, described glue application district the lower surface of described upper surface decorative layer or described on the conducting wire upper surface be " mouth " font and distribute, the inward flange of its " mouth " font does not stretch into the viewfinder area of described touch-screen, and the outward flange of its " mouth " font is no more than the described outward flange of going up the conducting wire.

7. touch-screen according to claim 6 is characterized in that, the inward flange of described " mouth " font and the outer peripheral distance of described viewfinder area are 0.3mm, and outward flange of described " mouth " font and the described outer peripheral distance that goes up the conducting wire are 0.2mm.

8. touch-screen according to claim 1 is characterized in that, also comprises the FPC soft board, and described FPC soft board is folded in described going up between conducting wire and the following conducting wire.