CN201518125U

CN201518125U - Touch panel structure

Info

Publication number: CN201518125U
Application number: CN2009201684050U
Authority: CN
Inventors: 黄炳文; 洪燕忠; 吴贤行
Original assignee: Wintek Corp
Current assignee: Wintek Corp
Priority date: 2009-07-24
Filing date: 2009-07-24
Publication date: 2010-06-30
Anticipated expiration: 2019-07-24

Abstract

The utility model provides a touch panel structure which comprises a decorative film; a non-display region formed on the circumference of the decorative film; an operating region formed within the non-display region and used for operating a touch panel; an optical double-sided adhesive layer, a first conducting layer, an insulating layer and a second conducting layer arranged on the surface of the decorative film from top to bottom; and a flexible printed wiring board arranged on one side of the insulating layer; wherein the flexible printed wiring board is electrically connected with the first and the second conducting layers; and holes are formed on the optical double-sided adhesive layer corresponding to the electrical connection positions of the flexible printed wiring board, so that the decorative film has excellent smoothness relative to the electrical connection positions of the flexible printed wiring board.

Description

Touch panel structure provided

Technical field

The utility model is a kind of technical field that is applied to contact panel, and a kind of the touch panel structure provided of contact panel surfacingization that provide is provided especially.

Background technology

Press, general known touch panel structure provided, extremely shown in Figure 7 as Fig. 5, it is to be provided with a decorative layer 100 in regular turn, one optics double faced adhesive tape 200, one first conductive layer 300, one frame glue 500, a plurality ofly be placed in crack (spacer) 610 between frame glue 500 inside, one second conductive layer 400, and this first

conductive layer

300 and 400 of second conductive layers with respect to frame glue 500 1 sides are provided with a flexible printed wiring board 700, and these flexible printed wiring board 700 relative these first conductive layers 300 and this second conductive layer 400 are provided with a plurality of joint sheets 710, and cooperate this first conductive layer 300 and this second conductive layer 400 via an anisotropic conductive (ACP) 800 hot pressing, to be electrically connected at the relative joint sheet 710 of this flexible printed wiring board 700.

But, it is public to still have its shortcoming on touch panel structure provided, as shown in Figures 7 and 8, when promptly this flexible printed wiring board 700 needs relative hot pressing to be incorporated into this first conductive layer 300 with this second conductive layer 400, because the thickness of this anisotropic conductive 800, the temperature of hot pressing, all there are the tolerance of certain limit pressure and time, and these tolerances tend to cause this first conductive layer 300 to have the irregular fold of wavy protrusion, and then cause this decorative layer 100 surface irregularities indirectly, influence the planarization on this contact panel surface and attractive in appearance, so some dealers can be provided with trade mark with the position of fold, to obscure consumer's visual effect by the sign of trade mark, but so can limit to the position that this flexible printed wiring board and trade mark are provided with, reduce the flexibility ratio that is provided with, and the design variation of restriction trade mark.

The utility model content

The utility model person still has surface irregularity and inaesthetic shortcoming to exist, and is redesigned in view of aforementioned public touch panel structure provided on reality is used.

Fundamental purpose of the present utility model is for providing a kind of touch panel structure provided, it is can be by the structural design of contact panel, reach the defective of the contact panel surface irregularity that diminishes,, increase the dirigibility that the contact panel surface changes to keep the flatness on decorative layer surface.

In order to reach aforesaid creation purpose, the technological means that the utility model used is to be to provide a kind of touch panel structure provided, it is to comprise a decorative layer, this decorative layer has one first and one second, and this decorative layer forms a non-display area in periphery, but enclose the active region that forms a touch-control in this non-display area, and second glutinous optics layers of two-sided that is provided with of this decorative layer, and this optics layers of two-sided is provided with at least one hole with respect to the non-display area of this decorative layer, and this optics layers of two-sided differs from glutinous one first conductive layer of establishing of one side of this decorative layer, this first conductive layer is formed with one first bonding land with respect to the hole location of this optics layers of two-sided, and parallel one second conductive layer that is provided with of this first conductive layer, and this second conductive layer is to being provided with one second bonding land in first bonding land, between this first conductive layer and this second conductive layer periphery, be arranged with a frame glue, and non-display area position with respect to this decorative layer, and in this frame glue, be provided with an insulation course, and be provided with a plurality of gaps (spacer) in this insulation course, with spaced apart this first conductive layer and this second conductive layer, other is provided with a flexible printed wiring board, this flexible printed wiring board is arranged between this first conductive layer and this second conductive layer, and first bonding land of relative this first conductive layer in the two sides of this flexible printed wiring board one end and second bonding land of this second conductive layer are respectively equipped with a plurality of joint sheets, and cooperate this first bonding land, this second bonding land respectively with corresponding engagement pad electrically connect.

Description of drawings

Fig. 1 is an assembly three-dimensional exploded view of the present utility model.

Fig. 2 is a plane of the present utility model schematic top plan view.

Fig. 3 is the assembled sectional view of Fig. 2.

Fig. 4 is the part enlarged diagram of Fig. 3.

Fig. 5 is the assembly three-dimensional exploded view of commonly using.

Fig. 6 is the plane schematic top plan view of commonly using.

Fig. 7 is the assembled sectional view of Fig. 6.

Fig. 8 is the part enlarged diagram of Fig. 7.。

Symbol description

10,100 decorative layers are 11 first

12 second 13 non-display areas

15 perforates of 14 active regions

20,200 optics layers of two-sided, 21 holes

30,300 first conductive layers, 31 first bonding lands

40,400 second conductive layers, 41 second bonding lands

50,500 frame glue

61,610 gap

70,700 flexible printed wiring boards, 71,710 joint sheets

80,800 anisotropic conductives, 81 conducting particless

90 perforates

Embodiment

As shown in Figure 1 to Figure 3, of the present utility model touch panel structure provided, it is to comprise:

One decorative layer 10, this decorative layer 10 have one first 11 and 1 second 12, and this decorative layer 10 forms a non-display area 13 in periphery, but enclose the active region 14 that forms a touch-control in this non-display area 13;

One optics layers of two-sided 20, glutinous second 12 of being located at this decorative layer 10 of this optics layers of two-sided 20 one sides, and this optics layers of two-sided 20 is provided with a hole 21 with respect to the non-display area 13 of this decorative layer 10;

One first conductive layer 30, this first conductive layer 30 can be indium tin oxide conductive material such as (ITO), and this first conductive layer 30 is bonding on the one side that this optics layers of two-sided 20 differs from this decorative layer 10, and this first conductive layer 30 is formed with one first bonding land 31 with respect to hole 21 positions of this optics layers of two-sided 20;

One second conductive layer 40, this second conductive layer 40 can be indium tin oxide conductive material such as (ITO), and these second conductive layer, 40 parallel these first conductive layers, 30 settings, and 40 pairs of this second conductive layers should be provided with one second bonding land 41 in first bonding land 31;

One frame glue 50, this frame glue 50 can be a two-sided adhesive tape, being located between this first conductive layer 30 and this second conductive layer, 40 peripheries, and with respect to non-display area 13 positions of this decorative layer 10, and this frame glue 50 can be directly in conjunction with this first conductive layer 30 and second conductive layer 40;

One insulation course (not shown), this insulation course are formed in this frame glue 50, and are provided with a plurality of gaps (spacer) 61 in this insulation course, and with spaced apart this first conductive layer 30 and this second conductive layer 40, and this insulation course can be air layer or liquid optical cement;

One flexible printed wiring board 70, this flexible printed wiring board 70 is arranged between this first conductive layer 30 and this second conductive layer 40, and be positioned at a side of this frame glue 50, first bonding land 31 of relative this first conductive layer 30 in the two sides of these flexible printed wiring board 70 1 ends and second bonding land 41 of this second conductive layer 40 are respectively equipped with a plurality of joint sheets 71, and cooperate this first bonding land 31, this second bonding land 41 respectively with corresponding engagement pad 71 via an anisotropic conductive (ACP) 80 electrically connects, and anisotropic conductive 80 is to contain a plurality of conducting particless 81 for colloid (among the figure not label), by these conducting particless 81, to electrically connect this first conductive layer 30 and this second conductive layer 40 respectively; By above-mentioned structure, of the present utility model touch panel structure provided to finish.

See also Fig. 3 and shown in Figure 4, the utility model since this flexible printed wiring board 70 with this first conductive layer 30 and this second conductive layer 40 during in hot press, this first conductive layer 30 and this second conductive layer 40 are subjected to the influence of these joint sheets 71 and conducting particles 81 particles of this flexible printed wiring board 70, can produce the wavy irregular convex shape lines shown in the 3rd figure, the utility model by 20 pairs of this optics layers of two-sided should flexible printed wiring board 70 joint sheet 71 positions be provided with this hole 21, can ccontainingly be embedded in this hole 21 in wavy irregular protrusion lines fold position for this first conductive layer 30, can not protrude in the surface of this decorative layer 10, and effectively keep the planarization of 10 first 11 of this decorative layers, and by this decorative layer 10 first 11 can keep planarization, the position that can be able to make things convenient for the deviser to select this flexible printed wiring board 70 to be provided with flexibly, and do not limit to corresponding to the position that trade mark is set, even trade mark can directly demonstrate in this decorative layer 10, increases the globality of this contact panel 20.

Again as shown in Figures 1 and 2, this contact panel 20 is for being equipped with other electronic components, for example: video camera, microphone, loudspeaker etc., need to be provided with at least one perforate 90 in this contact panel, go out for this electronic components surface exposure, shown in drawing, correspondence positions such as this decorative layer 10, optics layers of two-sided 20, first conductive layer 30 and this second conductive layer 40 are provided with a plurality of perforates 90.

In addition, contact panel of the present utility model also can be incorporated into a display surface, and the operational zone of this decorative layer is corresponding to the visible area of this display, for example this display can be a LCD, and this contact panel can be arranged at the substrate surface of this LCD, and this substrate can be the upper substrate of this LCD or is colored filter.

The above only is an illustrative, but not is restricted person.Anyly do not break away from spirit of the present invention and category, and, all should be contained in the accompanying claim, but not be defined in the above embodiments its equivalent modifications of carrying out or change.

Claims

One kind touch panel structure provided, it is characterized in that, comprising:

One decorative layer, this decorative layer have one first and one second, and this decorative layer forms a non-display area in periphery, but enclose the active region that forms a touch-control in this non-display area;

Simultaneously glutinous second of being located at this decorative layer of one optics layers of two-sided, this optics layers of two-sided, and this optics layers of two-sided is provided with at least one hole with respect to the non-display area of this decorative layer;

One first conductive layer, this first conductive layer is bonding on the one side that this optics layers of two-sided differs from this decorative layer, and this first conductive layer is formed with one first bonding land with respect to the hole location of this optics layers of two-sided;

One second conductive layer, parallel this first conductive layer setting of this second conductive layer, and this second conductive layer is to being provided with one second bonding land in first bonding land;

One frame glue, this frame glue are located between this first conductive layer and this second conductive layer periphery, and with respect to the non-display area position of this decorative layer;

One insulation course, this insulation course are located in this frame glue, and are provided with a plurality of gaps in this insulation course, with spaced apart this first conductive layer and this second conductive layer;

One flexible printed wiring board, this flexible printed wiring board is arranged between this first conductive layer and this second conductive layer, and the two sides of this flexible printed wiring board one end relatively first bonding land of this first conductive layer and second bonding land of this second conductive layer is respectively equipped with a plurality of joint sheets, and cooperate this first bonding land, this second bonding land respectively with corresponding engagement pad electrically connect.
2. according to claim 1 touch panel structure provided, it is characterized in that this first conductive layer and this second conductive layer are an indium tin oxide.
3. according to claim 1 touch panel structure provided, it is characterized in that, this insulation course be an air layer or a liquid optical cement one of them.
4. according to claim 1 touch panel structure provided, it is characterized in that this first bonding land, this second bonding land be respectively via an anisotropic conductive, and with corresponding engagement pad electrically connect.
5. according to claim 4 touch panel structure provided, it is characterized in that this anisotropic conductive is for colloid contains a plurality of conducting particless, and these conducting particless are electrically connected at this first conductive layer and this second conductive layer respectively.
6. according to claim 1 touch panel structure provided, it is characterized in that correspondence positions such as this decorative layer, this optics layers of two-sided, this first conductive layer and this second conductive layer are provided with a plurality of perforates.
7. according to claim 1 touch panel structure provided, it is characterized in that this contact panel is incorporated into a display surface, and the operational zone of this decorative layer is corresponding to the visible area of this display.
8. according to claim 7 touch panel structure provided, it is characterized in that this display is a LCD, and this contact panel is arranged at the substrate surface of this LCD.
9. according to claim 8 touch panel structure provided, it is characterized in that, this substrate be the upper substrate of this LCD or colored filter one of them.
10. according to claim 1 touch panel structure provided, it is characterized in that, be provided with a two-sided glue-line between this frame glue and this second conductive layer.