# US 12,002,405 B1 · 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 12,002,405 B1
- Document ID: US12002405B1
- Status: Granted
- Kind: B1
- Application number: 18/306,868
- Filed: 2023-04-25
- Granted: 2024-06-04
- Earliest claimed: 2022-12-30
- Assignees: Tcl China Star Optoelectronics Technology Co., Ltd.
- Applicants: Tcl China Star Optoelectronics Technology Co., Ltd.
- Inventors: Liu Yang; Mengmeng Hu
- Web page: https://patentgrep.com/patent/US12002405B1

## CPC

- G09G 3/2092: {Details of a display terminals using a flat panel, the details relating to the control arrangement of the display terminal and to the interfaces thereto (suitable for both CRT and flat panel G09G5/003; specific for a CRT G09G1/165)}
- G09G 2300/0426: Layout of electrodes and connections
- G09G 2310/0278: Details of driving circuits arranged to drive both scan and data electrodes
- G09G: ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION (arrangements for transferring data between digital computers and displays G06F3/14; static indicating arrangements comprising an association of a number of separate sources or light control cells G09F9/00; static indicating arrangements comprising integral associations of a number of light sources H01J, H01K, H10H, H05B33/12; scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission, details thereof H04N1/00)

## Abstract

A display panel and a display device are provided. The display panel includes a plurality of data lines, a plurality of first scan line; and a plurality of sub-pixels, wherein each of the sub-pixels includes a pixel driving circuit and a pixel electrode electrically connected to the pixel driving circuit, the pixel driving circuit is electrically connected to a corresponding one of the data lines and a corresponding one of the first scan lines. The display panel further includes a plurality of plates. At least one of the plates is disposed between the corresponding data line electrically connected to the pixel driving circuit and an adjacent data line, and is electrically connected to the adjacent data line. The at least one of the plates and the pixel electrode define a first capacitance.

## Claims

### Claim 1

A display panel, comprising a display area; wherein the display area comprises a plurality of sub-pixel areas, each of the sub-pixel areas comprises an opening area and a non-opening area, the non-opening area comprises a main non-opening area on a side of the opening area;
wherein the display panel comprises:
a plurality of data lines extending in a first direction,
a plurality of first scan lines extending in a second direction intersecting with the first direction; and
a plurality of sub-pixels, wherein each of the sub-pixels is disposed in a corresponding sub-pixel area and includes a pixel driving circuit and a pixel electrode electrically connected to the pixel driving circuit, the pixel driving circuit is disposed in the main non-opening area and is electrically connected to a corresponding one of the data lines and a corresponding one of the first scan lines, the pixel electrode is at least partially disposed in the opening area;
wherein the display panel further comprises a plurality of plates, at least one of the plates is disposed in the main non-opening area of the corresponding sub-pixel area, and between the corresponding data line electrically connected to the pixel driving circuit in the main non-opening area and an adjacent data line; and the at least one of the plates is electrically connected to the adjacent data line; wherein the at least one of the plates and the pixel electrode in the opening area of the corresponding sub-pixel area define a first capacitance;
wherein the pixel electrode comprises an extension portion in the main non-opening area, and the at least one of the plates in the main non-opening area overlaps with the extension portion at a top view.

### Claim 2 (depends on 1)

A display device, comprising the display panel of claim 1.

### Claim 3 (depends on 2)

The display device of claim 2, wherein the display panel further comprises a plurality of second scan lines extending in the first direction, wherein each of the second scan lines is electrically connected to the corresponding first scan line and is disposed at a different layer from the corresponding first scan line.

### Claim 4 (depends on 3)

The display device of claim 3, wherein each of the plates is electrically connected to the adjacent data line by a bridge portion across the corresponding second scan line.

### Claim 5 (depends on 4)

The display device of claim 4, wherein the display panel comprises a substrate, a first conductive layer on the substrate, a gate insulating layer on the first conductive layer, an active layer on the gate insulating layer, a first insulating layer on the active layer, and a second conductive layer on the first insulating layer; wherein the first conductive layer comprises the plurality of first scan lines and a plurality of the bridge portions, the second conductive layer comprises the plurality of second scan lines, the plurality of data lines, and the plurality of plates; wherein each of the bridge portions is electrically connected between a corresponding plate and the adjacent data line through vias in the first insulating layer and the gate insulating layer.

### Claim 6 (depends on 5)

The display device of claim 5, wherein the first conductive layer further comprises a gate portion of the pixel driving circuit, the gate portion extends from a side of the corresponding first scan line, and an area of the gate portion is less than an area of the corresponding plate.

### Claim 7 (depends on 2)

The display device of claim 2, wherein the pixel electrode comprises an extension portion in the main non-opening area, and the at least one of the plates in the main non-opening area overlaps with the extension portion at a top view.

### Claim 8 (depends on 7)

The display device of claim 7, wherein the pixel electrode comprises a trunk electrode and a plurality of branch electrodes connected to the trunk electrode, and at least one of the branch electrodes comprises the extension portion.

### Claim 9 (depends on 2)

The display device of claim 2, wherein a width of the at least one of the plates is greater than a width of the corresponding data line.

### Claim 10 (depends on 2)

The display device of claim 2, wherein the corresponding data line and the pixel electrode are overlapped at a top view and define a second capacitance.

### Claim 11 (depends on 1)

The display panel of claim 1, further comprising a plurality of second scan lines extending in the first direction, wherein each of the second scan lines is electrically connected to the corresponding first scan line and is disposed at a different layer from the corresponding first scan line.

### Claim 12 (depends on 11)

The display panel of claim 11, wherein each of the plates is electrically connected to the adjacent data line by a bridge portion across the corresponding second scan line.

### Claim 13 (depends on 12)

The display panel of claim 12, wherein the display panel comprises a substrate, a first conductive layer on the substrate, a gate insulating layer on the first conductive layer, an active layer on the gate insulating layer, a first insulating layer on the active layer, and a second conductive layer on the first insulating layer; wherein the first conductive layer comprises the plurality of first scan lines and a plurality of the bridge portions, the second conductive layer comprises the plurality of second scan lines, the plurality of data lines, and the plurality of plates; wherein each of the bridge portions is electrically connected between a corresponding plate and the adjacent data line through vias in the first insulating layer and the gate insulating layer.

### Claim 14 (depends on 13)

The display panel of claim 13, wherein the first conductive layer further comprises a gate portion of the pixel driving circuit, the gate portion extends from a side of the corresponding first scan line, and an area of the gate portion is less than an area of the corresponding plate.

### Claim 15 (depends on 1)

The display panel of claim 1, wherein the pixel electrode comprises a trunk electrode and a plurality of branch electrodes connected to the trunk electrode, and at least one of the branch electrodes comprises the extension portion.

### Claim 16 (depends on 1)

The display panel of claim 1, wherein a width of the at least one of the plates is greater than a width of the corresponding data line.

### Claim 17 (depends on 1)

The display panel of claim 1, wherein the corresponding data line and the pixel electrode are overlapped at a top view and define a second capacitance.

### Claim 18

A display panel, comprising a display area; wherein the display area comprises a plurality of sub-pixel areas, each of the sub-pixel areas comprises an opening area and a non-opening area, the non-opening area comprises a main non-opening area on a side of the opening area;
wherein the display panel comprises:
a plurality of data lines extending in a first direction,
a plurality of first scan lines extending in a second direction intersecting with the first direction; and
a plurality of sub-pixels, wherein each of the sub-pixels is disposed in a corresponding sub-pixel area and includes a pixel driving circuit and a pixel electrode electrically connected to the pixel driving circuit, the pixel driving circuit is disposed in the main non-opening area and is electrically connected to a corresponding one of the data lines and a corresponding one of the first scan lines, the pixel electrode is at least partially disposed in the opening area;
wherein the display panel further comprises a plurality of plates, at least one of the plates is disposed in the main non-opening area of the corresponding sub-pixel area, and between the corresponding data line electrically connected to the pixel driving circuit in the main non-opening area and an adjacent data line; and the at least one of the plates is electrically connected to the adjacent data line; wherein the at least one of the plates and the pixel electrode in the opening area of the corresponding sub-pixel area define a first capacitance;
wherein the display panel further comprises a plurality of second scan lines extending in the first direction, and each of the second scan lines is electrically connected to the corresponding first scan line and is disposed at a different layer from the corresponding first scan line.

### Claim 19 (depends on 18)

The display panel of claim 18, wherein each of the plates is electrically connected to the adjacent data line by a bridge portion across the corresponding second scan line.

### Claim 20 (depends on 19)

The display panel of claim 19, wherein the display panel comprises a substrate, a first conductive layer on the substrate, a gate insulating layer on the first conductive layer, an active layer on the gate insulating layer, a first insulating layer on the active layer, and a second conductive layer on the first insulating layer; wherein the first conductive layer comprises the plurality of first scan lines and a plurality of the bridge portions, the second conductive layer comprises the plurality of second scan lines, the plurality of data lines, and the plurality of plates; wherein each of the bridge portions is electrically connected between a corresponding plate and the adjacent data line through vias in the first insulating layer and the gate insulating layer.
