# US 2021/0341802 A1 · Pixel electrode of display panel, display panel and display device

> Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt

- Number: US 2021/0341802 A1
- Document ID: US20210341802A1
- Status: Published application
- Kind: A1
- Application number: 16/340,690
- Filed: 2018-11-19
- Published: 2021-11-04
- Earliest claimed: 2018-10-30
- Assignees: Hkc Corporation Limited; Chongqing Hkc Optoelectronics Technology Co., Ltd.
- Applicants: Hkc Corporation Limited; Chongqing Hkc Optoelectronics Technology Co., Ltd.
- Inventors: Shishuai HUANG
- Web page: https://patentgrep.com/patent/US20210341802A1

## CPC

- G02F 1/134309: {characterised by their geometrical arrangement}
- G02F 1/134345: {Subdivided pixels, e.g. for grey scale or redundancy}
- G02F 1/133707: {Structures for producing distorted electric fields, e.g. bumps, protrusions, recesses, slits in pixel electrodes}
- G02F 1/136213: {Storage capacitors associated with the pixel electrode}
- G02F 1/13775: {Polymer-stabilized liquid crystal layers}
- G02F: OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS

## Abstract

The present application discloses a pixel electrode of a display panel, the display panel and a display device. Branches are away from a first trunk or a second trunk, and an end portion, which forms a storage capacitor together with a common electrode line, of each branch is an outer end portion; and there is a gap between at least two adjacent outer end portions.

## Claims

### Claim 1

A pixel electrode of a display panel, wherein the display panel comprises a first substrate, and the first substrate comprises a pixel electrode and common electrode lines:
the pixel electrode comprises:
a first trunk;
a second trunk intersecting with the first trunk; and
a plurality of branches connected with the first trunk or the second trunk;
the branches are away from the first trunk or the second trunk, and an end portion, which forms a storage capacitor together with the common electrode line, of each branch is an outer end portion; and there is a gap between at least two adjacent outer end portions.

### Claim 2 (depends on 1)

The pixel electrode of a display panel according to claim 1, wherein the common electrode lines are disposed corresponding to two edge sides of the pixel electrode; and
corresponding to the two edge sides, there is a gap between the outer end portions of at least two adjacent branches of each edge side.

### Claim 3 (depends on 2)

The pixel electrode of a display panel according to claim 2, wherein corresponding to the two edge sides, there is a gap between the outer end portions of two adjacent branches.

### Claim 4 (depends on 1)

The pixel electrode of a display panel according to claim 1, wherein the common electrode lines are disposed corresponding to at least one edge side of the pixel electrode;
the pixel electrode also comprises fence trunks, and the fence trunks connect all or some of the outer end portions;
the edge sides are disposed corresponding to the common electrodes lines; there is a gap between the outer end portions of each of the branches in intermediate areas of the edge sides, and each outer end portion of a first end area and a second end area of the edge side are respectively integrally connected through the fence trunks.

### Claim 5 (depends on 4)

The pixel electrode of a display panel according to claim 4, wherein the common electrode lines are disposed corresponding to two edge sides of the pixel electrode.

### Claim 6 (depends on 1)

The pixel electrode of a display panel according to claim 1, wherein the first trunk is horizontally disposed at a middle portion of the pixel electrode, and the second trunk is vertically disposed at a middle portion of the pixel electrode;
the common electrode lines are disposed corresponding to two edge sides of the pixel electrode; and
an end portion of the first trunk corresponding to the common electrode lines is hollowed out.

### Claim 7 (depends on 3)

The pixel electrode of a display panel according to claim 3, wherein gaps between the outer end portions of each of the branches are equal.

### Claim 8 (depends on 1)

The pixel electrode of a display panel according to claim 1, wherein a structure of a fence trunk between the outer end portions of some of the branches is reserved, i.e., two or more adjacent outer end portions are connected with each other.

### Claim 9

A display panel, comprising a first substrate, wherein the first substrate comprises a pixel electrode and common electrode lines;
the pixel electrode comprises:
a first trunk;
a second trunk intersecting with the first trunk; and
a plurality of branches connected with the first trunk or the second trunk;
the branches are away from the first trunk or the second trunk, and an end portion, which forms a storage capacitor together with the common electrode line, of each branch is an outer end portion; and there is a gap between at least two adjacent outer end portions.

### Claim 10 (depends on 9)

The pixel electrode of a display panel according to claim 9, wherein the common electrode lines are disposed corresponding to two edge sides of the pixel electrode;
corresponding to the two edge sides, there is a gap between the outer end portions of at least two adjacent branches of each edge side.

### Claim 11 (depends on 10)

The pixel electrode of a display panel according to claim 10, wherein corresponding to the two edge sides, there is a gap between the outer end portions of two adjacent branches.

### Claim 12 (depends on 9)

The pixel electrode of a display panel according to claim 9, wherein the common electrode lines are disposed corresponding to at least one edge side of the pixel electrode;
the pixel electrode also comprises fence trunks, and the fence trunks connect all or some of the outer end portions;
the edge sides are disposed corresponding to the common electrodes lines; there is a gap between the outer end portions of each of the branches in intermediate areas of the edge sides, and each outer end portion of a first end area and a second end area of the edge side are respectively integrally connected through the fence trunks.

### Claim 13 (depends on 12)

The pixel electrode of a display panel according to claim 12, wherein the common electrode lines are disposed corresponding to two edge sides of the pixel electrode.

### Claim 14 (depends on 9)

The pixel electrode of a display panel according to claim 9, wherein the first trunk is horizontally disposed at a middle portion of the pixel electrode, and the second trunk is vertically disposed at a middle portion of the pixel electrode;
the common electrode lines are disposed corresponding to two edge sides of the pixel electrode; and
an end portion of the first trunk corresponding to the common electrode lines is hollowed out.

### Claim 15 (depends on 11)

The pixel electrode of a display panel according to claim 11, wherein gaps between the outer end portions of each of the branches are equal.

### Claim 16 (depends on 9)

The pixel electrode of a display panel according to claim 9, wherein a structure of a fence trunk between the outer end portions of some of the branches is reserved, i.e., two or more adjacent outer end portions are connected with each other.

### Claim 17

A display device, comprising a display panel, wherein the display panel comprises a first substrate, and the first substrate comprises a pixel electrode and common electrode lines;
the pixel electrode comprises:
a first trunk;
a second trunk intersecting with the first trunk; and
a plurality of branches connected with the first trunk or the second trunk;
the branches are away from the first trunk or the second trunk, and an end portion, which forms a storage capacitor together with the common electrode line, of each branch is an outer end portion; and there is a gap between at least two adjacent outer end portions.
