TW201500997A - Touch panel - Google Patents

Abstract

The present invention relates to a touch panel. The touch panel includes a touch area which including a first conductive group and a second conductive group. Each of the first conductive group includes a plurality of first conductive unit. The first conductive unit has an interval each other and is connected by a first wire. The area between each two adjacent the first conductive unit defines a second conductive unit configuration area; each of the second conductive group includes a plurality of second conductive unit and being arranged in the second conductive unit configuration area. The touch panel also includes a plurality of first signal wire which electrically connected with the second conductive group. The orthographic projection of the first signal wire is located on the second conductive unit of the touch panel.

Description

Touch panel

The present invention relates to the field of touch technologies, and in particular, to a capacitive touch panel.

Touch Panels have been widely used in home appliances, communications, electronic information and other products. At present, the touch panel generally includes a touch area (Bound Area) and a border area surrounding the touch area. The touch area is used to set a touch sensor structure, and the edge area is used for setting and touching. The trace structure is connected to the graphic structure, and the touch graphic structure is connected to the processor through the metal wiring. The touch graphic structure is used to sense the touch action and generate the touch sensing signal, and the corresponding touch sensing signal is sent through the metal wiring. Transfer to the processor. However, as the size of the touch area increases, the metal wiring increases correspondingly, which results in a larger margin space for the touch panel, which is disadvantageous for miniaturization of the touch panel.

In view of the above, it is necessary to provide a touch panel that overcomes the above disadvantages.

A touch panel includes a touch area; the touch area includes a first axial conductive group of M columns arranged in a first direction and a second axial conductive group of N rows arranged along a second direction, Wherein, M, N are natural numbers, and M>1, N>1, the first direction is perpendicular to the second direction; each of the first axial conductive groups includes a plurality of first conductive units disposed at intervals, The adjacent first conductive units are connected by a first wire, and the area between the adjacent first conductive units is defined as a second conductive unit arrangement area; each of the second axial conductive groups includes a space And a plurality of second conductive units disposed in the second conductive unit arrangement area, wherein the touch panel further includes the first conductive unit group outside the first column and the Mth column of the touch area And a plurality of first signal lines electrically connected to the corresponding second conductive unit, the plurality of first signal lines extending along the first direction, each of the first signal lines being spaced apart from each other, the first signal line being The orthographic projection on the touch area falls outside the first conductive unit group of the first column and the Mth column The second conductive unit.

A touch panel includes a touch area; the touch area includes a first axial conductive group including M columns arranged in a first direction and a second axial conductive group arranged in a second direction by N rows Where M, N are natural numbers, and M>1, N>1, the first direction is perpendicular to the second direction; each first axial conductive group includes a plurality of spaced apart first conductive units, Adjacent first conductive units are connected by a first wire, and an area between adjacent ones of the first conductive units is defined as a second conductive unit arrangement area; each second axial conductive group includes a plurality of The second conductive unit is disposed at intervals in the second conductive unit arrangement area, and the touch panel further includes the first conductive unit group outside the first column and the Mth column of the touch area And a plurality of first signal lines connected to the corresponding second conductive unit, the plurality of first signal lines extending along the first direction, the first signal line and the corresponding first line connected to the first signal line The outer sides of the two conductive units are collinear.

Compared with the prior art, the touch panel of the present invention sets a first signal line connecting the second axial conductive group and other electronic components in the touch area, thereby reducing the area of the edge area, which is beneficial to realize The miniaturization of the touch panel.

100,200‧‧‧ touch panel

10‧‧‧Substrate

20,201‧‧‧First conductive layer

30,301‧‧‧Insulation

31,302‧‧‧ upper surface

33‧‧‧ lower surface

50‧‧‧ touch area

70,701‧‧‧First axial conductive group

80‧‧‧Second axial conductive group

71‧‧‧First Conductive Unit

73‧‧‧First wire

81,811‧‧‧Second conductive unit

61‧‧‧Second signal line

32‧‧‧First via

34‧‧‧Second via

82‧‧‧ outside side

41,401‧‧‧Second wire unit

83,831‧‧‧first signal line

833‧‧‧Signal wire

FIG. 1 is a schematic top plan view of a touch panel according to a first embodiment of the present invention.

2 is an exploded perspective view of the touch panel provided in FIG. 1 .

FIG. 3 is a schematic top plan view of a touch panel according to a second embodiment of the present invention.

FIG. 4 is an exploded perspective view of the touch panel provided in FIG. 3. FIG.

The invention will be further described in detail below with reference to the accompanying drawings.

Referring to FIG. 1 , a touch panel 100 according to a first embodiment of the present invention includes a touch area 50 . The touch area 50 includes a first axial conductive group 70 arranged in a first direction (in the direction indicated by Y in the figure) and N rows arranged in a second direction (in the direction indicated by X in the figure). The second axial conductive group 80. Where M and N are natural numbers, and M>1, N>1. In this embodiment, the first direction is perpendicular to the second direction. In other embodiments, the first direction and the second direction may not be perpendicular. Each of the first axial conductive groups 70 includes a plurality of spaced apart first conductive units 71, and each adjacent two of the first conductive units 71 are connected by a first wire 73. For convenience of the following description, along the second direction, the first axial conductive group 70 is sequentially named as the first axial conductive group 70 of the first column, and the first axial conductive group of the second column. Group 70 ... the first axially conductive group 70 of column M. In the present embodiment, as an example, M=4 and N=6.

In each column, a region between two adjacent first conductive units 71 is defined as a second conductive unit arrangement region. Each row of the second axial conductive group 80 includes a plurality of spaced apart second conductive units 81 disposed one by one in the second conductive unit arrangement region. The first conductive unit 71 and the second conductive unit 81 are both made of a transparent conductive material.

Referring to FIG. 2 , the touch panel 100 includes a substrate 10 , a first conductive layer 20 , and an insulating layer 30 disposed in sequence from bottom to top. The material of the substrate 10 is glass. The insulating layer 30 is made of a transparent insulating material.

In the embodiment, the first axial conductive group 70 and the second axial conductive group 80 together form the first conductive layer 20 .

The insulating layer 30 includes an upper surface 31 and a lower surface 33 opposite to the upper surface 31. The insulating layer 30 includes a first via 32 arranged in N rows×m columns, the first via 32 extending therethrough. Surface 31 and the lower surface 33, where m = 2M. In the second direction, the first vias 32 of the m columns are sequentially named as the first via 32 of the first column, the first via 32 of the second column, ... the first via 32 of the mth column. In the present embodiment, m=8.

The upper surface 31 is further provided with a plurality of second wire units 41 arranged in N rows × M columns. Specifically, the second wire unit 41 is formed by a yellow light process such as etching, exposure, and development. The second wire unit 41 is made of a transparent conductive material, and each of the two adjacent first via holes 32 corresponds to each of the two adjacent second conductive units 81, and each of the second wires The unit 41 connects two adjacent second conductive units 81 in the same row by two adjacent first vias 32 in the same row.

The insulating layer 30 further includes a second via 34 outside the first via 32 of the first column and outside the first via 32 of the mth column, each of the first signal lines 83 passing through the second via 34 is connected to a second conductive unit 81 outside the first axial conductive group 70 of the first column and the third column of the touch region 50. Along the first direction, the distance of each of the second vias 34 from the first via 32 adjacent thereto is gradually reduced. The first conductive unit 71 and the second conductive unit 81 are insulated from each other by the insulating layer 30, and the first conductive line 73 and the second conductive unit 41 are orthogonal to each other and insulated by the insulating layer 30.

It can be understood that, in other embodiments, the arrangement of the outside of the first axial conductive group 70 of the first column or the M column of the touch region 50 can be electrically connected to the second conductive unit 81. The first signal lines 83, correspondingly, are disposed only outside the first via 32 of the first column or outside the first via 32 of the Mth column.

In the embodiment, the first signal line 83 is disposed on the upper surface 31. A plurality of the first signal lines 83 extend along the first direction and are spaced apart from each other, and the orthographic projection of the first signal line 83 on the touch area is located outside the first axial conductive group 70 of the first column and The second conductive unit 81 outside the first axial conductive group 70 of the M column. The first signal line 83 is used to transmit the touch signal sensed by the second conductive unit 81. In order to facilitate the clear description of the present invention, the surface on which the first signal line 83 formed on the insulating layer 300 is located is separated from the insulating layer 30 in FIG. It can be understood that, when the touch panel 100 is specifically fabricated, the first conductive layer 20 and the insulating layer 30 are sequentially formed on the substrate 10, and the required conductive lines and signal lines are formed on the insulating layer 30. . The upper surface 31 is further provided with a plurality of second signal lines 61, and each of the second signal lines 61 is electrically connected to a first axial conductive group 70. In the embodiment, the ends of the first signal line 83 and the second signal line 61 are connected to the gold finger 63, and the touch signal is transmitted to the controller (not shown) by the gold finger 63.

The touch panel 200 of the second embodiment is substantially the same as the touch panel 100 provided by the first embodiment, and the difference is as follows: First, the first signal line 831 is disposed on the first conductive layer 201, specifically, each of the first axial conductive group 701 of the first column and the Mth column of the touch region 50. The second conductive unit 811 includes an outer side 82 extending in a first direction, and each of the first signal lines 831 and the outer side 82 of the second conductive unit 811 to which they are connected are collinear; second, the The second via 34 is omitted from the insulating layer 301. Third, the upper surface 302 of the insulating layer 301 is provided with a signal conductor 833 corresponding to each of the first signal lines 831. Thus, one end of each of the signal wires 833 is electrically connected to the end of each of the first signal wires 831, and the other end of each of the signal wires 833 is connected to the gold finger 631.

In summary, the touch panel of the present invention connects the second axial conductive group and other electronic components, such as the first signal line of the controller, in the touch area, thereby reducing the area of the edge area, which is beneficial to Achieve miniaturization of the touch panel.

In summary, the present invention has indeed met the requirements of the invention patent, and has filed a patent application according to law. However, the above description is only a preferred embodiment of the present invention, and it is not possible to limit the scope of the patent application of the present invention. Equivalent modifications or variations made by persons skilled in the art in light of the spirit of the invention are intended to be included within the scope of the following claims.

no

100‧‧‧ touch panel

50‧‧‧ touch area

70‧‧‧First axial conductive group

80‧‧‧Second axial conductive group

71‧‧‧First Conductive Unit

73‧‧‧First wire

81‧‧‧Second conductive unit

61‧‧‧Second signal line

63‧‧‧Gold Fingers

34‧‧‧Second via

41‧‧‧Second wire unit

83‧‧‧First signal line

Claims (10)

A touch panel includes a touch area;
The touch area includes a first axial conductive group of M columns arranged in a first direction and a second axial conductive group of N rows arranged along a second direction, wherein M, N are natural numbers, and M >1, N>1, each of the first axial conductive groups includes a plurality of first conductive units disposed at intervals, and the adjacent two of the first conductive units are connected by the first wire, and the adjacent two The area between the first conductive units is defined as a second conductive unit arrangement area; each of the second axial conductive groups includes a plurality of second spaced apart and one-to-one disposed in the second conductive unit arrangement area Conductive unit,
The touch panel further includes a plurality of first signal lines outside the first conductive unit group of the first column and the Mth column of the touch area and electrically connected to the corresponding second conductive unit. The plurality of first signal lines extend along the first direction, and each of the first signal lines is spaced apart from each other, and the orthographic projection of the first signal line on the touch area is located at the first of the first column and the Mth column. On the second conductive unit outside the group of conductive cells. The touch panel of claim 1, wherein the touch panel comprises a substrate, a first conductive layer and an insulating layer disposed in sequence from bottom to top, the first axial conductive group and the second axial conductive The groups collectively form the first conductive layer. The touch panel of claim 2, wherein the insulating layer comprises an upper surface and a lower surface opposite to the upper surface, the first conductive layer is disposed on the lower surface, and the first signal line is disposed On the upper surface. The touch panel of claim 3, wherein the insulating layer comprises a plurality of first vias arranged in N rows×m columns and penetrating the upper surface and the lower surface, and is disposed on the upper surface and has N rows. a plurality of second wire units of the M column, each of the second wire units being connected to two adjacent second conductive units in the same row by two adjacent first via holes in the same row, wherein m= 2M. The touch panel of claim 4, wherein: in each of the plurality of first vias, the insulating layer further comprises a first via located outside the first via of the first column and the first via Two second vias on the outer side, each of the first signal lines passing through the second via and the second conductive unit outside the first conductive unit group of the first column and the Mth column of the touch area connection. The touch panel of claim 3, wherein the upper surface is further provided with a plurality of second signal lines, and each of the second signal lines is electrically connected to a first axial conductive group. A touch panel includes a touch area;
The touch area includes a first axial conductive group including M columns arranged in a first direction and a second axial conductive group arranged in a second direction by N rows, wherein M, N are natural numbers, and M>1, N>1, each of the first axial conductive groups includes a plurality of spaced apart first conductive units, and the adjacent two of the first conductive units are connected by the first wire.
And defining an area between the two adjacent first conductive units as a second conductive unit arrangement area; each of the second axial conductive groups includes a plurality of spaced apart one-to-one configurations on the second conductive a second conductive unit of the cell configuration area,
The touch panel further includes a plurality of first signal lines outside the first conductive unit group of the first column and the Mth column of the touch area and connected to the corresponding second conductive unit, the plurality of The first signal lines extend along the first direction, and the first signal lines are collinear with the outer sides of the corresponding second conductive units to which the first signal lines are connected. The touch panel of claim 7, wherein the touch panel comprises a substrate, a first conductive layer and an insulating layer disposed in sequence from bottom to top, the first axial conductive group and the second axial conductive The groups collectively form the first conductive layer. The touch panel of claim 7, wherein the insulating layer comprises a first via arranged in N rows by m columns, the insulating layer comprising an upper surface and a lower surface opposite the upper surface, the upper surface The surface is provided with a plurality of second wire units; wherein m=2M; each second wire unit is connected to two adjacent second conductive units in the same row by two adjacent first via holes in the same row . The touch panel of claim 9, wherein the upper surface is provided with a plurality of second signal lines, and each of the second signal lines is electrically connected to the first axial conductive group.