Display panel and display device

Patent metadata

Field	Value
Publication number	US-12525176-B2
Application number	US-202418735083-A
Country	US
Kind code	B2
Filing date	Jun 5, 2024
Priority date	May 6, 2021
Publication date	Jan 13, 2026
Grant date	Jan 13, 2026

Abstract

Disclosed are a display panel and a display device. The display panel includes a display area, a plurality of light-emitting elements located in the display area, and at least one driver circuit located in the display area; the plurality of light-emitting elements includes a plurality of light-emitting element rows extend in a first direction and arranged in a second direction, where the first direction and the second direction intersect; the at least one driver circuit includes a plurality of shift register circuits disposed in cascade and a shift register circuit of the plurality of shift register circuits is located between adjacent light-emitting element rows of the plurality of light-emitting element rows.

First claim

What is claimed is:

1 . A display panel, comprising a display area;
wherein the display panel further comprises: a light-emitting element, wherein the light-emitting element is located in the display area; a pixel circuit, wherein the pixel circuit is located in the display area and the pixel circuit is configured to drive the light-emitting element; a driver circuit, wherein the driver circuit is located in the display area and the driver circuit is configured to provide a drive signal to the pixel circuit; and pixel circuit rows, wherein at least one of the pixel circuit rows comprises a plurality of pixel circuits arranged along a first direction, the pixel circuit rows are arranged along a second direction, the first direction and the second direction intersect; wherein the driver circuit comprises a plurality of stages of shift register circuits cascaded and at least one stage of shift register circuit is located between adjacent pixel circuit rows; wherein the display panel further comprises a multiplexing circuit disposed in the display area, a signal terminal disposed in the display area, and an electrostatic protection circuit disposed in the display area; wherein at least one of the following is satisfied: along the second direction, a plurality of pixel circuit rows of the pixel circuit rows, a plurality of light-emitting elements or a plurality of stages of shift register circuits are disposed between the signal terminal and the electrostatic protection circuit; or along the second direction, a plurality of pixel circuit rows of the pixel circuit rows, a plurality of light-emitting elements or a plurality of stages of shift register circuits are disposed between the multiplexing circuit and the electrostatic protection circuit.

2 . The display panel of claim 1 , wherein
the display panel comprises a plurality of data lines and a data line of the plurality of data lines is configured to provide a data signal for the pixel circuit; and the multiplexing circuit is electrically connected to the plurality of data lines.

3 . The display panel of claim 1 , wherein
the multiplexing circuit and the pixel circuit do not overlap.

4 . A display panel, comprising a display area;
wherein the display panel further comprises: a light-emitting element, wherein the light-emitting element is located in the display area; a pixel circuit, wherein the pixel circuit is located in the display area and the pixel circuit is configured to drive the light-emitting element; a driver circuit, wherein the driver circuit is located in the display area and the driver circuit is configured to provide a drive signal to the pixel circuit; and pixel circuit rows, wherein at least one of the pixel circuit rows comprises a plurality of pixel circuits arranged along a first direction, the pixel circuit rows are arranged along a second direction, the first direction and the second direction intersect; wherein the driver circuit comprises a plurality of stages of shift register circuits cascaded and at least one stage of shift register circuit is located between adjacent pixel circuit rows; wherein the display panel further comprises a multiplexing circuit disposed in the display area; wherein the multiplexing circuit and the driver circuit do not overlap.

5 . The display panel of claim 1 , wherein
the multiplexing circuit and the light-emitting element do not overlap.

6 . The display panel of claim 1 , wherein
at least one multiplexing circuit is located between adjacent pixel circuit rows or adjacent light-emitting element rows.

7 . The display panel of claim 1 , wherein
the signal terminal comprises at least one of a data signal terminal, a power signal terminal, a clock signal terminal, or an electrostatic shield terminal.

8 . The display panel of claim 7 , wherein at least one of the following is satisfied:
the display panel comprises a data signal terminal and the data signal terminal is connected to a data line in the display panel; the display panel comprises a power signal terminal, and the power signal terminal is connected to a power signal line in the display panel; the display panel comprises a clock signal terminal and the clock signal terminal is connected to a clock signal line in the display panel; or, the display panel comprises an electrostatic shield terminal, and the electrostatic shield terminal is connected to an electrostatic shield trace in the display panel.

9 . The display panel of claim 8 , wherein
the display panel comprises an electrostatic shield trace and the electrostatic shield trace is connected to the electrostatic shield terminal; the electrostatic shield trace is located surrounding the display area.

10 . The display panel of claim 7 , wherein
the display panel comprises a flexible circuit board and the flexible circuit board is disposed on a non-light-exiting side of the display panel; and the flexible circuit board is electrically connected to the signal terminal through a conductive structure.

11 . The display panel of claim 10 , wherein
the conductive structure is located on a side face of the display panel.

12 . The display panel of claim 11 , wherein
the conductive structure comprises a conductive silver paste and an upper surface of the conductive silver paste is covered with a protective ink.

13 . The display panel of claim 7 , wherein
the signal terminal does not overlap with the pixel circuit.

14 . The display panel of claim 7 , wherein
the signal terminal does not overlap with the driver circuit.

15 . The display panel of claim 7 , wherein
the signal terminal does not overlap with the light-emitting element.

16 . The display panel of claim 1 , wherein
the electrostatic protection circuit is disposed at an edge area of the display area.

17 . The display panel of claim 16 , wherein
the electrostatic protection circuit does not overlap with the pixel circuit.

18 . The display panel of claim 16 , wherein
the electrostatic protection circuit does not overlap with the driver circuit.

19 . The display panel of claim 16 , wherein
the electrostatic protection circuit does not overlap with the light-emitting element.

20 . A display device comprising a display panel, wherein the display panel comprises a display area;
wherein the display panel further comprises: a light-emitting element, wherein the light-emitting element is located in the display area; a pixel circuit, wherein the pixel circuit is located in the display area and the pixel circuit is configured to drive the light-emitting element; a driver circuit, wherein the driver circuit is located in the display area and the driver circuit is configured to provide a drive signal to the pixel circuit; and pixel circuit rows, wherein at least one of the pixel circuit rows comprises a plurality of pixel circuits arranged along a first direction, the pixel circuit rows are arranged along a second direction, the first direction and the second direction intersect; wherein the driver circuit comprises a plurality of stages of shift register circuits cascaded and at least one stage of shift register circuit is located between adjacent pixel circuit rows; wherein the display panel further comprises a multiplexing circuit disposed in the display area, a signal terminal disposed in the display area, and an electrostatic protection circuit disposed in the display area; wherein at least one of the following is satisfied: along the second

Assignees

• Hubei Yangtze Ind Innovation Center Of Advanced Display Co Ltd

Inventors

• Dai Wenjun
• Xing I Liang
• Wu Tianyi

Classifications

• G02F1/136204

  Arrangements to prevent high voltage or static electricity failures · CPC title

• G09G2300/0426

  Layout of electrodes and connections · CPC title

• G09G2300/0408

  Integration of the drivers onto the display substrate · CPC title

• G09G2310/0291

  Details of output amplifiers or buffers arranged for use in a driving circuit · CPC title

• G09G2310/0286

  Details of a shift registers arranged for use in a driving circuit · CPC title