CN104346012B - touch panel - Google Patents

Abstract

The invention provides a touch panel. The touch panel comprises a plurality of touch pads, and the touch pads are arranged on the touch panel according to an array arrangement mode. The touch pads are arranged into N touch pad rows and M touch pad rows, wherein the touch pad of the ith touch pad row and the jth touch pad row is coupled with the touch pad of the (i-1) th touch pad row and the jth-1 touch pad row and the touch pad of the (i + 1) th touch pad row, or the touch pad of the ith touch pad row and the jth touch pad row is coupled with the touch pad of the (i-1) th touch pad row and the (i + 1) th touch pad row and the touch pad of the (i + 1) th touch pad row, wherein N, M is a positive integer, and i and j are positive integers which are greater than 1 and less than N-1 and M-1, respectively.

Description

touch panel

technical field

The invention relates to a touch panel.

Background technique

Existing capacitive touch panels are usually constructed with a single-layer or double-layer structure by utilizing many touch panels. Please refer to FIG. 1 below. FIG. 1 shows a schematic diagram of a conventional capacitive touch panel 100 . In order to perform touch detection for the capacitive touch panel 100 , the capacitive touch panel 100 provides a plurality of signal transmission channels ZX1 - ZX6 and ZY1 - ZY6 . The signal transmission channels ZX1-ZX6 can be used to transmit driving signals to the capacitive touch panel 100, and receive signals generated according to the driving signals through the signal transmission channels ZY1-ZY6 to determine the capacitance generated on the touch panel 100. Change status, and the touch state of the capacitive touch panel 100 can be obtained through the above-mentioned capacitance change status.

In the existing touch panel 100, the number of signal transmission channels ZX1-ZX6 and ZY1-ZY6 is proportional to the area of the touch panel cover, that is, when the size of the touch panel 100 is larger, the The larger the number of signal transmission channels required, the correspondingly, the area used for laying out these signal transmission channels will also increase accordingly. Moreover, it is also necessary to provide a hardware with a large number of signal transmission channels for the transmission and reception of signals on the signal transmission channel, which virtually increases the product cost.

Contents of the invention

The invention provides a touch panel, which can effectively reduce the number of signal transmission channels required by the touch panel.

In the touch panel of the present invention, the touch panel includes a plurality of touch panels, and the touch panels are arranged on the touch panel according to an array arrangement, and the above-mentioned touch panels are arranged into N touch panel rows and M touch panels Row, wherein, the touchpad in the jth touchpad row of the i-th touchpad column, the touchpad in the j-1th touchpad row of the i-1th touchpad column and the i+1th touchpad row The touchpad of the j+1th touchpad row of the first touchpad column is coupled, or the touchpad of the jth touchpad row of the ith touchpad column is connected to the i-1th touchpad row The touchpad in the j+1th touchpad row of the panel column is coupled to the touchpad in the j-1th touchpad row of the i+1th touchpad column, wherein N and M are positive integers , i and j are positive integers greater than 1 and less than N-1 and M-1 respectively.

In an embodiment of the present invention, the above-mentioned touch panel is polygonal in shape.

In an embodiment of the present invention, at least one of the touchpads in the above-mentioned first touchpad row and/or the Nth touchpad row and another of the touchpads The wires are connected to each other to share a signal transmission channel.

In the configuration method of the touch panel of the touch panel of the present invention, the touch panel includes a plurality of touch panels, and the configuration method of the touch panel includes arranging the touch panels on the touch panel according to an array arrangement; and, using The touchpad of the jth touchpad row in the i-th touchpad column, the touchpad in the j-1th touchpad row of the i-1th touchpad column, and the i+1th touchpad The touchpad in the j+1th touchpad row of the i-th touchpad column is coupled to the touchpad in the jth touchpad row of the i-th touchpad column and the i-1th touchpad row The touchpad of the j+1 touchpad row and the touchpad of the j-1th touchpad row in the i+1th touchpad column are coupled, wherein N and M are positive integers, and i and j is a positive integer greater than 1 and less than N-1 and M-1 respectively.

Based on the above, through the configuration of the touch panel in the touch panel of the present invention, the number of signal transmission channels required for the touch panel covering a predetermined size of the touch area can be effectively reduced.

In order to make the above-mentioned features and advantages of the present invention more comprehensible, the following specific embodiments are described in detail with reference to the accompanying drawings.

Description of drawings

FIG. 1 shows a schematic diagram of a conventional capacitive touch panel 100;

FIG. 2 shows a schematic diagram of a touch panel 200 according to an embodiment of the present invention;

3A and 3B respectively show partial enlarged views of different implementations of the touch panel of the embodiment of the present invention;

FIG. 4A shows a schematic diagram of a touch panel 400 according to an embodiment of the present invention;

FIG. 4B shows a schematic diagram of another implementation of the touch panel 400 according to the embodiment of the present invention;

5A-5C respectively show schematic diagrams of touch panels 510-530 in different embodiments of the present invention;

FIG. 6 is a schematic diagram of a touch panel 600 according to another embodiment of the present invention.

Explanation of reference signs:

100: capacitive touch panel;

200, 400, 510, 520, 530, 600: touch panel;

ZY1～ZY6, ZX1～ZX6, Z1～Z8: signal transmission channels;

TD11～TD54, TDA1～TDA2, TDB1, TDC, TDC1, TDD1～TDD2, TD: touch panel;

S1～S4, S11～S14: side;

i-1, i, i+1: display board row;

j-1, j, j+1: display panel columns;

L1～L8: wires.

detailed description

Please refer to FIG. 2 , which shows a schematic diagram of a touch panel 200 according to an embodiment of the present invention. The touch panel 200 includes a plurality of touch pads TD11 to TD54. The touch panel 200 has first and second sides S1 and S2 parallel to each other, and third and fourth sides S3 and S4 parallel to each other. The touchpads TD11-TD54 are arranged on the touch panel 200 according to an array arrangement, and, taking the touchpad TD11 as an example, the touchpad TD11 has first to fourth sides S11-S14, and the touchpad TD11 has first to fourth sides S11-S14. One side S11 is parallel to the first side S1 of the touch panel 200, and the second side S12 of the touch panel TD11 is parallel to the second side S2 of the touch panel 200, and the touch The first side S11 of the board TD11 and the second side S12 of the touchpad TD11 are not parallel to each other. In addition, in this embodiment, the first side S11 of the touchpad TD11 is parallel to the third side S13 of the touchpad TD11, and the second side S12 of the touchpad TD11 is parallel to the third side S13 of the touchpad TD11. The fourth sides S14 are parallel to each other.

In this embodiment, the touch panels TD11 - TD54 are all quadrilaterals. The first side S11 of the touchpad TD11 and the second side S12 of the touchpad TD11 may be perpendicular to each other, of course, may not be perpendicular to each other.

In the touch panel 200, touch panels arranged in the same column (for example, touch panels TD11 to TD14) form a touch panel row, and touch panels arranged in the same row (for example, touch panels TD11 to TD51) form a touch panel row. Trackpad column. The touch panel 200 of this embodiment includes four touchpad columns and five touchpad rows.

Please note here that, regarding the arrangement of the touchpads TD11 - TD54 , the touchpads TD11 - TD54 are connected in a diagonal direction, and the implementation details refer to FIG. 3A and FIG. 3B . 3A and 3B respectively show partial enlarged views of different implementations of the touch panel of the embodiment of the present invention. In the touch panel shown in FIG. 3A , the i-1, i and i+1th display panel rows composed of touch panels TDA, TDA1-TDA2, TDB, TDB1-TDB2, TDC, TDC1, and TDD1-TDD2 and The j-1, j and j+1th display panel columns. Wherein, the display panel TDA located in the i-th display panel row j-th display panel column is coupled to the display panel TDA1 located in the i-1-th display panel row j-1 display panel column, and the display panel TDA1 located in the i-th display panel row The display panel TDA of the jth display panel column in the panel row is also coupled to the display panel TDA2 located in the i+1th display panel row and the j+1th display panel column. In addition, the display panel TDA located in the i-th display panel row j-th display panel column and the display panel TDB located in the i-1-th display panel row j-th display panel column, the i-th display panel row j-1 The display board TDB1 of the display board column, the display board TDC1 of the i-th display board row j+1 display board column, and the display board TDC of the i+1-th display board row j-th display board column are physically isolated of.

In addition, in the embodiment shown in FIG. 3B , the display panel TDA located in the i-th display panel row and the j-th display panel column is the same as the display panel TDD1 located in the i+1-th display panel row and the j-1 display panel column. For coupling, the display panel TDA located in the i-th display panel row and the j-th display panel column is also coupled to the display panel TDD2 located in the i-1-th display panel row and the j+1-th display panel column. In addition, the display panel TDA located in the i-th display panel row j-th display panel column and the display panel TDB located in the i-1-th display panel row j-th display panel column, the i-th display panel row j-1 The display board TDB1 of the display board column, the display board TDC1 of the i-th display board row j+1 display board column, and the display board TDC of the i+1-th display board row j-th display board column are physically isolated of.

Please refer to FIG. 4A below. FIG. 4A shows a schematic diagram of a touch panel 400 according to an embodiment of the present invention. Judging from the arrangement of the touch panels, the touch panel 400 is a 7×4 touch panel. In the touch panel 400, the touch panel 400 only needs six signal transmission channels Z1~ Compared with the 7+4=11 signal transmission channels required by the existing 7X4 touch panel, the Z6 has 5 fewer signal transmission channels, which effectively reduces the demand for signal transmission channels.

Please also refer to FIG. 4B . FIG. 4B shows a schematic diagram of another implementation of the touch panel 400 according to the embodiment of the present invention. In FIG. 4B , wires L1 and L6 are connected to each other, wires L3 and L8 are connected to each other, and wires L5 and L7 respectively form signal transmission channels Z7 and Z8. In this way, touch panel 400 needs eight signal transmission channels Z1- Z8.

It can be seen from FIG. 4A and FIG. 4B that the touch panel 400 can be designed with the required number of signal transmission channels through different wire connection methods. Designers can change the number of signal transmission channels required by the touch panel 400 by performing different connection relationships between wires according to requirements. The illustrations in FIG. 4A and FIG. 4B are just examples and are not intended to limit the present invention.

Please refer to FIG. 5A to FIG. 5C below. FIG. 5A to FIG. 5C respectively show schematic diagrams of touch panels 510 to 530 according to different embodiments of the present invention. The shape of the touch panel 510 in FIG. 5A is rectangular, and the touchpad included therein is also rectangular. The shape of the touch panel 520 in FIG. 5B is a parallelogram, and the touch panel included therein is also a parallelogram corresponding to the touch panel 520 . In addition, the shape of the touch panel 530 in FIG. 5C is rhombus, and the touchpad included therein is also a rhombus corresponding to the touch panel 530 . In other words, the touch panel of the embodiment of the present invention is not limited to the shape of the touch panel 200 in the embodiment shown in FIG. 2 .

Please refer to FIG. 6 , which is a schematic diagram of a touch panel 600 according to another embodiment of the present invention. In FIG. 6 , the touch panel 600 includes a plurality of touchpads TD, and these touchpads TD are arranged in an array. It should be noted that the shape of each touchpad TD is not a quadrilateral. In the embodiment of the present invention, the shape of each touchpad TD may be a polygon with N sides, where N is greater than 2. Furthermore, the shape of each touch panel TD may not be a polygon, but may be a circle or an ellipse. That is, the shape of each touch panel TD is not limited.

In summary, the present invention constructs a touch panel by a plurality of touch panels, wherein the first and third sides of each touch panel are respectively parallel to the first and third sides of the touch panel, and each The second and fourth sides of the touch panel are respectively parallel to the second and fourth sides of the touch panel. In this way, the signal transmission channels serving as the touch panel can be effectively reduced, reducing the area and complexity of the layout, further reducing the cost required by the product, and improving market competitiveness.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present invention, rather than limiting them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: It is still possible to modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the technical solutions of the various embodiments of the present invention. scope.

Claims (6)

1. A touch panel, characterized in that, comprising: A plurality of touchpads, the touchpads are arranged into N touchpad columns and M touchpad rows, wherein the touchpad in the i-th touchpad column and the j-th touchpad row are the same as the i-th touchpad row - the touchpad of the j-1th touchpad row in the 1st touchpad column and the touchpad of the j+1th touchpad row in the i+1th touchpad column are coupled, or, the touchpad of the j+1th touchpad row The touchpad of the j-th touchpad row in the i-th touchpad column and the i-1-th touchpad column The touchpad of the j+1-th touchpad row and the i+1-th touchpad row The touchpads in the j-1th touchpad row are coupled, where N and M are positive integers, i and j are positive integers greater than 1 and less than N-1 and M-1 respectively, the first touch At least one of the touchpads in the row of panels and/or the touchpads in the Nth row of touchpads is connected to the other of the touchpads in the same row of non-adjacent touchpads by wires to share signals transmission channel. 2. The touch panel according to claim 1, characterized in that, the touch panel in the i-th touch panel column j-th touch panel row is the same as the j-1 touch panel in the i-th touch panel column The touchpad of the row of touchpads, the touchpad of the j+1th touchpad row of the ith touchpad column, the touchpad of the jth touchpad row of the i+1th touchpad column, and the touchpad of the jth touchpad row of the i+1th touchpad column The touchpads in the jth touchpad row of i-1 touchpad columns are physically isolated, where N and M are positive integers, and i and j are positive numbers greater than 1 and less than N-1 and M-1 respectively. integer. 3. The touch panel according to claim 1, wherein the touch panels are polygonal in shape. 4. A configuration method of a touchpad of a touch panel, the touch panel has a plurality of touchpads, characterized in that, comprising: arrange the touch panels on the touch panel according to an array arrangement; and Make the touchpad of the i-th touchpad column j-th touchpad row and the touchpad of the i-1th touchpad column j-1th touchpad row and the i+1th touchpad The touchpad in the j+1th touchpad row of the i-th touchpad column is coupled to the touchpad in the j-th touchpad row and the i-1th touchpad row The touchpad in the j+1th touchpad row and the touchpad in the j-1th touchpad row in the i+1th touchpad column are coupled, so that the first touchpad column and/or At least one of the touchpads in the Nth touchpad row is connected to the other non-adjacent touchpads of the same touchpad row by wires to share a signal transmission channel, Wherein, N and M are positive integers, i and j are positive integers greater than 1 and less than N-1 and M-1 respectively. 5. The configuration method of the touchpad of the touch panel according to claim 4, characterized in that, the touchpad in the ith touchpad column and the jth touchpad row are connected to the ith touchpad column The touchpad of the j-1th touchpad row, the touchpad of the i+1th touchpad row, the jth touchpad of the i+1th touchpad column The touchpad in the row and the touchpad in the i-1th touchpad column and the jth touchpad row are physically separated. 6 . The method for disposing touchpads of a touch panel according to claim 4 , wherein the touchpads are polygonal in shape. 7 .