# US 12,002,843 B2 · 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 12,002,843 B2
- Document ID: US12002843B2
- Status: Granted
- Kind: B2
- Application number: 17/378,138
- Filed: 2021-07-16
- Published: 2022-10-20
- Granted: 2024-06-04
- Earliest claimed: 2021-04-16
- Assignees: Wuhan Tianma Micro-Electronics Co., Ltd.
- Applicants: Wuhan Tianma Micro-Electronics Co., Ltd.
- Inventors: Meihong Wang; Yangzhao Ma
- Web page: https://patentgrep.com/patent/US12002843B2

## CPC

- H10H 29/142: {Two-dimensional arrangements, e.g. asymmetric LED layout}
- G09G 3/32: semiconductive, e.g. using light-emitting diodes [LED]
- H10H 20/8316: {Multi-layer electrodes comprising at least one discontinuous layer}
- H10H 20/833: Transparent materials
- H10H 20/835: {Reflective materials}
- H10H 20/857: Interconnections, e.g. lead-frames, bond wires or solder balls
- H10W 90/00: Package configurations
- G09G 2300/0426: Layout of electrodes and connections
- G09G 2340/0407: Resolution change, inclusive of the use of different resolutions for different screen areas
- H10H: INORGANIC LIGHT-EMITTING SEMICONDUCTOR DEVICES HAVING POTENTIAL BARRIERS
- 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)
- H10W: GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10

## Abstract

Disclosed are a display panel and a display device. The display panel includes a display region, multiple pixels and a substrate. The display region includes an optical component region and a first display region. The multiple pixels include a first pixel and a second pixel, the first pixel includes a first light-emitting element located in the optical component region, and the second pixel includes a second light-emitting element located in the first display region. The optical component region includes an anode connecting line segment, the first light-emitting element includes a first anode, and the anode connecting line segment is electrically connected to the first anode; and in a direction perpendicular to a plane where the substrate is located, an area of the first anode is S1 and an electrical connection area of the first anode and the anode connecting line segment is S2, where 5%<S2/S1≤100%.

## Claims

### Claim 1

A display panel, comprising:
a display region, wherein the display region comprises an optical component region and a first display region;
a plurality of pixels, wherein the plurality of pixels comprise a first pixel and a second pixel, the first pixel comprises a first light-emitting element, the second pixel comprises a second light-emitting element, the first light-emitting element is located in the optical component region, and the second light-emitting element is located in the first display region;
a plurality of pixel driver circuits, wherein the plurality of pixel driver circuits comprise a first pixel driver circuit and a second pixel driver circuit, the first pixel driver circuit is electrically connected to the first light-emitting element, and the second pixel driver circuit is electrically connected to the second light-emitting element; and
a substrate;
wherein the optical component region comprises an anode connecting line segment, the first light-emitting element comprises a first anode, the anode connecting line segment is electrically connected to the first anode; and in a direction perpendicular to a plane where the substrate is located, an area of the first anode is S1 and an electrical connection area of the first anode and the anode connecting line segment is S2, wherein 5%<S2/S1≤100%.

### Claim 2 (depends on 1)

The display panel according to claim 1, wherein the first pixel driver circuit is electrically connected to the first anode through the anode connecting line segment.

### Claim 3 (depends on 1)

The display panel according to claim 1, wherein the first pixel further comprises at least one third light-emitting element, the at least one third light-emitting element comprises a third anode, and the third anode is electrically connected to the first anode.

### Claim 4 (depends on 3)

The display panel according to claim 3, wherein the third anode is electrically connected to the first anode through the anode connecting line segment.

### Claim 5 (depends on 2)

The display panel according to claim 2, wherein the display region further comprises a second display region, the second display region is located between the optical component region and the first display region, and the first pixel driver circuit is located in the second display region.

### Claim 6 (depends on 3)

The display panel according to claim 3, wherein the display region further comprises a second display region, the second display region is located between the optical component region and the first display region, and the first pixel driver circuit is located in the second display region.

### Claim 7 (depends on 6)

The display panel according to claim 6, wherein the third node is located in at least one of the optical component region or the second display region.

### Claim 8 (depends on 1)

The display panel according to claim 1, wherein the first pixel driver circuit is located in the optical component region.

### Claim 9 (depends on 2)

The display panel according to claim 2, wherein the first pixel driver circuit is located in the optical component region.

### Claim 10 (depends on 1)

The display panel according to claim 1, wherein S2/S1=100%.

### Claim 11 (depends on 10)

The display panel according to claim 10, wherein the anode connecting line segment is also used as at least one film layer of the first anode.

### Claim 12 (depends on 11)

The display panel according to claim 11, wherein the first anode comprises at least one of a first transparent electrode layer or a second transparent electrode layer; and
the anode connecting line segment is also used as at least one of the first transparent electrode layer or the second transparent electrode layer.

### Claim 13 (depends on 12)

The display panel according to claim 12, wherein the anode connecting line segment comprises a first subsection and a second subsection connected to each other; and in the direction perpendicular to the plane where the substrate is located, the first subsection at least partially overlaps the first light-emitting element, and a line width of the second subsection is greater than a line width of the first subsection.

### Claim 14 (depends on 12)

The display panel according to claim 12, wherein the first anode comprises a first reflective electrode layer, and the anode connecting line segment contacts and is electrically connected to the first reflective electrode layer.

### Claim 15 (depends on 12)

The display panel according to claim 12, wherein the first pixel further comprises at least one third light-emitting element, the at least one third light-emitting element comprises a third anode, and the third anode is electrically connected to the first pixel driver circuit through a via hole; and
the third anode comprises a first reflective electrode layer and at least one of the first transparent electrode layer or the second transparent electrode layer.

### Claim 16

A display device, comprising a display panel;
wherein the display panel comprises:
a display region, wherein the display region comprises an optical component region and a first display region;
a plurality of pixels, wherein the plurality of pixels comprise a first pixel and a second pixel, the first pixel comprises a first light-emitting element, the second pixel comprises a second light-emitting element, the first light-emitting element is located in the optical component region, and the second light-emitting element is located in the first display region;
a plurality of pixel driver circuits, wherein the plurality of pixel driver circuits comprise a first pixel driver circuit and a second pixel driver circuit, the first pixel driver circuit is electrically connected to the first light-emitting element, and the second pixel driver circuit is electrically connected to the second light-emitting element; and
a substrate;
wherein the optical component region comprises an anode connecting line segment, the first light-emitting element comprises a first anode, the anode connecting line segment is electrically connected to the first anode; and in a direction perpendicular to a plane where the substrate is located, an area of the first anode is S1 and an electrical connection area of the first anode and the anode connecting line segment is S2, wherein 5%<S2/S1≤100%.

### Claim 17 (depends on 16)

The display device according to claim 16, further comprising an optical component; wherein the optical component is disposed to correspond to the optical component region.

### Claim 18 (depends on 16)

The display device according to claim 16, wherein the first pixel driver circuit is electrically connected to the first anode through the anode connecting line segment.

### Claim 19 (depends on 16)

The display device according to claim 16, wherein the first pixel further comprises at least one third light-emitting element, the at least one third light-emitting element comprises a third anode, and the third anode is electrically connected to the first anode.

### Claim 20 (depends on 16)

The display device according to claim 16, wherein S2/S1=100%.