# US 2019/0377442 A1 · Touch panel and method for producing the same

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- Number: US 2019/0377442 A1
- Document ID: US20190377442A1
- Status: Published application
- Kind: A1
- Application number: 16/207,224
- Filed: 2018-12-03
- Published: 2019-12-12
- Earliest claimed: 2018-06-12
- Assignees: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
- Applicants: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.
- Inventors: XIAOLIANG FENG
- Web page: https://patentgrep.com/patent/US20190377442A1

## CPC

- G06F 3/0443: {using a single layer of sensing electrodes}
- G06F 3/047: using sets of wires, e.g. crossed wires
- G06F 3/0412: {Digitisers structurally integrated in a display}
- G06F 2203/04111: Cross over in capacitive digitiser, i.e. details of structures for connecting electrodes of the sensing pattern where the connections cross each other, e.g. bridge structures comprising an insulating layer, or vias through substrate
- G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N)

## Abstract

The present disclosure provides a touch panel and a method for producing the same. The touch panel includes a touch substrate and a touch electrode layer disposed on the touch substrate. The touch electrode layer includes an electrode layer, a connection layer and an insulating layer disposed between the electrode layer and the connection line layer. The electrode layer includes a plurality of first electrodes and second electrodes arranged in rows and columns. The connection line layer includes first connection lines disposed above or below the electrode layer, and each of the first connecting lines is insulated from the first electrode of all the rows except the corresponding row. The touch panel further includes a protective layer disposed on the touch electrode layer.

## Claims

### Claim 1

A touch panel, comprising:
a touch substrate;
a touch electrode layer disposed on the touch substrate and comprising an electrode layer, a connection line layer and an insulation layer disposed between the electrode layer and the connection line layer, wherein the electrode layer comprises a plurality of first electrodes and second electrodes disposed in rows and columns; the connection line layer comprises a plurality of first connection lines disposed above or below the electrode layer, the first electrodes of each row are respectively connected to a solder region through a corresponding first connecting line, and each of the first connecting lines is insulated from the first electrodes of all the rows except the corresponding row;
wherein the electrode layer is disposed on the touch substrate, the insulation layer is disposed on the electrode layer, the connection line layer is disposed on the insulation layer, and the connection line layer comprises a plurality of the first connection lines, a plurality of second connection lines, and a plurality of bridge lines;
the bridge lines are disposed between adjacent second electrodes of each column, for connecting the second electrodes of the same column together, and the second connection lines separately connect each corresponding column of the second electrodes to the solder region; or
wherein the connection line layer is disposed on the touch substrate, comprising a plurality of the first connection lines, a plurality of second connection lines, and a plurality of bridge lines, and the insulation layer is disposed on the connection line layer, the electrode layer is disposed on the insulation layer;
the bridge lines are disposed between adjacent second electrodes of each column for connecting the second electrodes of the same column together, and the second connection lines separately connect each corresponding column of the second electrodes to the solder region; and
a protective layer disposed on the touch electrode layer.

### Claim 2 (depends on 1)

The touch panel according to claim 1, wherein the insulation layer is disposed between each of the first connection lines and the first electrodes of all rows except the corresponding row.

### Claim 3 (depends on 1)

The touch panel according to claim 1, wherein a material of the electrode layer and the connection line layer is one of indium tin oxide, aluminum, copper, silver, titanium, and molybdenum.

### Claim 4

A touch panel, comprising:
a touch substrate;
a touch electrode layer disposed on the touch substrate and comprising an electrode layer, a connection line layer and an insulation layer disposed between the electrode layer arid the connection line layer, wherein the electrode layer comprises a plurality of first electrodes and second electrodes disposed in rows and columns, the connection line layer comprises a plurality of first connection lines disposed above or below the electrode layer, the first electrodes of each row are respectively connected to a solder region though a corresponding first connecting line, and each of the first connecting lines is insulated from the first electrodes of all the rows except the corresponding row; and
a protective layer disposed on the touch electrode layer.

### Claim 5 (depends on 4)

The touch panel according to claim 4, wherein the electrode layer is disposed on the touch substrate, the insulation layer is disposed on the electrode layer, the connection line layer is disposed on the insulation layer, and the connection line layer comprises a plurality of the first connection lines, a plurality of second connection lines, and a plurality of bridge lines;
the bridge lines are disposed between adjacent second electrodes of each column, for connecting the second electrodes of the same column together, and the second connection lines separately connect each corresponding column of the second electrodes to the solder region.

### Claim 6 (depends on 4)

The touch, panel according to claim 4, wherein the connection line layer is disposed on the touch substrate, comprising a plurality of the first connection lines, a plurality of second connection lines, and a plurality of bridge lines, and the insulation layer is disposed on the connection line layer, the electrode layer is disposed on the insulation layer;
the bridge lines are disposed between adjacent second electrodes of each column, for connecting the second electrodes of the same column together, and the second connection lines separately connect each corresponding column of the second electrodes to the solder region.

### Claim 7 (depends on 4)

The touch panel according to claim 4, wherein the insulation layer is disposed between each of the first connection lines and the first electrodes of all rows except the corresponding row.

### Claim 8 (depends on 5)

The touch panel according to claim 5, wherein the insulation layer is disposed between each of the first connection lines and the first electrodes of all rows except the corresponding row.

### Claim 9 (depends on 6)

The touch panel according to claim 6, wherein the insulation layer is disposed between each of the first connection lines and the first electrodes of all rows except the corresponding row.

### Claim 10 (depends on 4)

The touch panel according to claim 4, wherein the material of the electrode layer and the connection line layer is one of indium tin oxide, aluminum, copper, silver, titanium, and molybdenum.

### Claim 11

A method of producing a touch panel, wherein the method comprises:
providing a touch substrate;
preparing a touch electrode layer on the touch substrate; wherein
the touch electrode layer comprises an electrode layer, a connection line layer and an insulation, layer disposed between the electrode layer and the connection line layer, the electrode layer comprises a plurality of first electrodes and second electrodes disposed in rows and columns, the connection line layer comprises a plurality of first connection lines disposed above or below the electrode layer, the first electrodes of each row are respectively connected to a solder region through a corresponding first connecting line, and each of the first connecting lines is insulated from the first electrodes of all the rows except the corresponding row; and
preparing a protective layer on the touch electrode layer as to form the touch panel.

### Claim 12 (depends on 11)

The method according to claim 11, wherein the preparing the touch electrode layer on the touch substrate comprises:
preparing the electrode layer on the touch substrate;
preparing the insulation layer on the electrode layer;
preparing the connection line layer on the insulation layer, the connection line layer comprising a plurality of first connection lines, a plurality of second connection lines, and a plurality of bridge lines;
wherein the bridge lines are disposed between adjacent second electrodes of each column for connecting the second electrodes of the same column, and the second connection lines are configured to separately connect the corresponding second electrodes of each column to the solder region.

### Claim 13 (depends on 11)

The method according to claim 11, wherein the preparing the touch electrode layer on the touch substrate comprises:
preparing the connection line layer on the touch substrate, the connection line layer comprising a plurality of first connection lines, a plurality of second connection lines, and a plurality of bridge lines;
preparing the insulation layer on the connection line layer;
preparing the electrode layer on the insulation layer;
wherein the bridge lines are disposed between adjacent second electrodes of each column for connecting the second electrodes of the same column, and the second connection lines are configured to separately connect the corresponding second electrodes of each column the solder region.

### Claim 14 (depends on 11)

The method according to claim 11, wherein the insulation layer is disposed between each of the first connection lines and the first electrodes of all rows except the corresponding row.

### Claim 15 (depends on 12)

The method according to claim 12, wherein the insulation layer is disposed between each of the first connection lines and the first electrodes of all rows except the corresponding row.

### Claim 16 (depends on 13)

The method according to claim 13, wherein the insulation layer is disposed between each of the first connection lines and the first electrodes of all rows except the corresponding row.

### Claim 17 (depends on 11)

The method according to claim 11, wherein the material of the electrode layer and the connection line layer is one of indium tin oxide, aluminum, copper, silver, titanium, and molybdenum.
