# US 10,120,516 B2 · Touch electrode, display panel and display device

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- Number: US 10,120,516 B2
- Document ID: US10120516B2
- Status: Granted
- Kind: B2
- Application number: 15/220,091
- Filed: 2016-07-26
- Published: 2017-03-16
- Granted: 2018-11-06
- Earliest claimed: 2015-09-16
- Assignees: Boe Technology Group Co., Ltd.; Hefei Xinsheng Optoelectronics Technology Co., Ltd.
- Applicants: BOE Technology Group Co., Ltd.; Hefei Xinsheng Optoelectronics Technology Co., Ltd.
- Inventors: Zhun Wang; Lei Zhang; Jun Li
- Web page: https://patentgrep.com/patent/US10120516B2

## CPC

- G06F 3/0446: {using a grid-like structure of electrodes in at least two directions, e.g. using row and column electrodes}
- G06F 3/0443: {using a single layer of sensing electrodes}
- 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 2203/04112: Electrode mesh in capacitive digitiser: electrode for touch sensing is formed of a mesh of very fine, normally metallic, interconnected lines that are almost invisible to see. This provides a quite large but transparent electrode surface, without need for ITO or similar transparent conductive material
- G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N)

## Abstract

A touch electrode, a display panel and a display device are provided. The touch electrode includes a plurality of first electrodes provided along a first direction, a plurality of second electrodes provided along a second direction, a first conductive portion, an insulation layer and a second conductive portion. Adjacent ones of the first electrodes are connected through the first conductive portion, on which the insulation layer is arranged; adjacent ones of the second electrodes are connected through the second conductive portion which is provided on the insulation layer; and the second conductive portion includes a plurality of wires, at least one wire has a width smaller than a first preset value, and the wire having the width smaller than the first preset value is configured for the release of static electricity.

## Claims

### Claim 1

A touch electrode, comprising a plurality of first electrodes provided along a first direction, a plurality of second electrodes provided along a second direction, a first conductive portion, an insulation layer and a second conductive portion, wherein
adjacent ones of the first electrodes are connected with each other through the first conductive portion, the insulation layer is arranged on the first conductive portion, adjacent ones of the second electrodes are connected with each other through the second conductive portion, and the second conductive portion is provided on the insulation layer; and
the second conductive portion comprises a plurality of electric conductor wires, at least one electric conductor wire has a width smaller than a first preset value, the at least one electric conductor wire comprises a sub-electric conductor wire having the width smaller than the first preset value, the plurality of the electric conductor wires comprises a main electric conductor wire having a width greater than or equal to the first preset value, and the electric conductor wire having the width smaller than the first preset value is configured for release of static electricity.

### Claim 2 (depends on 1)

The touch electrode according to claim 1, wherein the first direction is perpendicular to the second direction.

### Claim 3 (depends on 1)

The touch electrode according to claim 1, wherein the sub-electric conductor wire intersects with the main electric conductor wire, and the sub-electric conductor wire is a bending electric conductor wire, a bending portion of which is in electrical connection with one of the second electrodes; and an orthographic projection of the bending portion of the sub-electric conductor wire on the second electrodes is within a region where the second electrodes connected with the sub-electric conductor wire is located.

### Claim 4 (depends on 3)

The touch electrode according to claim 3, wherein the sub-electric conductor wire is formed with at least one sharpened protrusion at the bending portion, and the sharpened protrusion is in electrical connection with the one of the second electrodes.

### Claim 5 (depends on 3)

The touch electrode according to claim 3, wherein the plurality of electric conductor wires has an integrated structure.

### Claim 6 (depends on 1)

The touch electrode according to claim 1, wherein the first preset value is 8 μm.

### Claim 7 (depends on 1)

The touch electrode according to claim 1, wherein the electric conductor wire having the width smaller than the first preset value is 3 μm in width.

### Claim 8 (depends on 1)

The touch electrode according to claim 1, wherein the plurality of electric conductor wires has an integrated structure.

### Claim 9 (depends on 1)

A display panel comprising the touch electrode according to claim 1.

### Claim 10 (depends on 9)

The display panel according to claim 9, further comprising a plurality of sub-pixels provided below the touch electrode.

### Claim 11 (depends on 10)

The display panel according to claim 10, wherein an angle α between the plurality of sub-pixels and a plane where the plurality of electric conductor wires is located is in a range of 0°<α<90°.

### Claim 12 (depends on 9)

A display device comprising the display panel according to claim 9.

### Claim 13

A touch electrode, comprising a plurality of first electrodes provided along a first direction, a plurality of second electrodes provided along a second direction, a first conductive portion, an insulation layer and a second conductive portion, wherein
adjacent ones of the first electrodes are connected with each other through the first conductive portion, the insulation layer is arranged on the first conductive portion, adjacent ones of the second electrodes are connected with each other through the second conductive portion, and the second conductive portion is provided on the insulation layer;
the second conductive portion comprises a plurality of electric conductor wires, each of the plurality of electric conductor wires has a width smaller than a first preset value, a part of the plurality of electric conductor wires intersects with another part of the plurality of electric conductor wires to form a mesh pattern, and the plurality of electric conductor wires is inclined with respect to both the first direction and the second direction.

### Claim 14 (depends on 13)

The touch electrode according to claim 13, wherein a sum of widths of the plurality of electric conductor wires is greater than or equal to a second preset value, and the second preset value is greater than the first preset value.

### Claim 15 (depends on 13)

The touch electrode according to claim 13, wherein the first preset value is 8 μm.

### Claim 16 (depends on 13)

The touch electrode according to claim 13, wherein the electric conductor wire having the width smaller than the first preset value is 3 μm in width.

### Claim 17

A touch electrode, comprising a plurality of first electrodes provided along a first direction, a plurality of second electrodes provided along a second direction, a first conductive portion, an insulation layer and a second conductive portion, wherein
adjacent ones of the first electrodes are connected with each other through the first conductive portion, the insulation layer is arranged on the first conductive portion, adjacent ones of the second electrodes are connected with each other through the second conductive portion, and the second conductive portion is provided on the insulation layer; and
the second conductive portion comprises a plurality of electric conductor wires, at least one electric conductor wire has a width smaller than a first preset value, the electric conductor wire having the width smaller than the first preset value is configured for release of static electricity, the at least one electric conductor wire having the width smaller than the first preset value comprises a sub-electric conductor wire, the sub-electric conductor wire comprises a bending portion, the sub-electric conductor wire is formed with at least one sharpened protrusion at the bending portion, and the sharpened protrusion is in electrical connection with the one of the second electrodes.
