Display panel and display device

Patent metadata

Field	Value
Publication number	US-12329004-B2
Application number	US-202418645441-A
Country	US
Kind code	B2
Filing date	Apr 25, 2024
Priority date	Apr 28, 2017
Publication date	Jun 10, 2025
Grant date	Jun 10, 2025

Abstract

A display panel and a display device are provided. The display panel comprises a substrate, a plurality of sub-pixels, a plurality of data lines, a plurality of wiring structures and a plurality of pads. The substrate comprises a display area and a non-display area comprising a bending area. The sub-pixels and data lines are in the display area and electrically connected with each other. The wiring structures are in the bending area and electrically connected with the data lines. At least one wiring structure comprises a plurality of hollow patterns connected successively, each hollow pattern comprises a first conductive part and a second conductive part connected with each other. The plurality of pads are in the non-display area and located on a side of the plurality of wiring structures away from the display area and electrically connected with the plurality of wiring structures.

First claim

The invention claimed is:

1. A display panel comprising:
a substrate comprising a display area and a non-display area on at least one side of the display area, the non-display area comprising a bending area;
a plurality of sub-pixels in the display area;
a plurality of data lines located in the display area and electrically connected with the plurality of sub-pixels;
a plurality of wiring structures located in the bending area and electrically connected with the plurality of data lines, wherein at least one wiring structure of the plurality of wiring structures comprises a plurality of hollow patterns connected successively, each hollow pattern of the hollow patterns comprises a first conductive part having a first pattern and a second conductive part having a second pattern, wherein the first conductive part and the second conductive part are connected with each other, the first pattern and the second pattern have different shapes, the first conductive part protrudes towards a first direction and the second conductive part protrudes towards a second direction, the first direction and the second direction are both perpendicular with a length extension direction of the at least one wiring structure and opposite to each other; and
a plurality of pads in the non-display area, wherein the plurality of pads are located on a side of the plurality of wiring structures away from the display area and electrically connected with the plurality of wiring structures.

2. The display panel according to claim 1 , wherein the first conductive part and the second conductive part of the hollow pattern both comprise a first terminal and a second terminal, wherein the first terminal of the first conductive part is connected with the first terminal of the second conductive part, and the second terminal of the first conductive part is connected with the second terminal of the second conductive part, such that first conductive part and the second conductive part are connected with each other to form a closed pattern.

3. The display panel according to claim 2 , wherein the first conductive part comprises a bending segment, the second conductive part comprises an arc segment, a length of the bending segment extends between the first terminal and the second terminal of the first conductive part, a length of the arc segment extends between the first terminal and the second terminal of the second conductive part, such that the bending segment and the arc segment form the closed pattern.

4. The display panel according to claim 2 , wherein the closed pattern comprises an opening, a shape of the opening comprises at least one selected form a group consisting of an ellipse, a circle, a pentagon, a hexagon and an irregular shape.

5. The display panel according to claim 2 , wherein for two adjacent hollow patterns of the plurality of hollow patterns, the first terminal of the first conductive part in one of the two adjacent hollow patterns is connected with the second terminal of the first conductive part in the other one of the two adjacent hollow patterns, and the first terminal of the second conductive part in the one of the two adjacent hollow patterns is connected with the second terminal of the second conductive part in the other one of the two adjacent hollow patterns.

6. The display panel according to claim 1 , wherein the first conductive part and the second conductive part of each hollow pattern of the plurality of hollow patterns are connected with each other to form at least three connection nodes, the at least three connection nodes are not in a same straight line.

7. The display panel according to claim 6 , wherein the first conductive part comprises a first sub-conductive portion and a second sub-conductive portion, each of the first sub-conductive portion, the second sub-conductive portion and the second conductive part comprises a first terminal and a second terminal, and a length of each of the first sub-conductive portion, the second sub-conductive portion and the second conductive part extends between respective first terminal and respective second terminal,
wherein in each hollow pattern of the plurality of hollow patterns, the first terminal of the first sub-conductive portion is connected with the first terminal of the second conductive part to form a first connection node of the at least three connection nodes, the second terminal of the first sub-conductive portion is connected with the first terminal of the second sub-conductive portion to form a second connection node of the at least three connection nodes, and the second connection node is connected to a position between the first terminal and the second terminal of the second conductive part, the second terminal of the second sub-conductive portion is connected with the second terminal of the second conductive part to form a third connection node of the at least three connection nodes.

8. The display panel according to claim 7 , for any two adjacent hollow patterns of the plurality of hollow patterns, the first connection node formed by the first terminal of the first sub-conductive portion in one of the two adjacent hollow patterns and the first terminal of the second conductive part in the one of the two adjacent hollow patterns is connected with the third connection node formed by the second terminal of the second sub-conductive portion in the other hollow pattern of the two adjacent hollow patterns and the second terminal of the second conductive part in the other hollow pattern.

9. The display panel according to claim 8 , wherein each of the first sub-conductive portion, the second sub-conductive portion and the second conductive part comprises an arc shape.

10. The display panel according to claim 1 , wherein any two adjacent hollow patterns of the plurality of hollow patterns form a centrally symmetric pattern.

11. The display panel according to claim 1 , wherein any two adjacent hollow patterns of the plurality of hollow patterns form an axially symmetric pattern.

12. The display panel according to claim 1 , wherein a plurality of first conductive parts of the plurality of hollow patterns comprising the first conductive part form an integrated structure.

13. The display panel according to claim 1 , wherein a plurality of second conductive parts of the plurality of hollow patterns comprising the second conductive part form an integrated structure.

14. The display panel according to claim 1 , wherein the display panel further comprises a plurality of first fan-out wires between the display area and the bending area, each of the plurality of first fan-out wires is electrically connected with a corresponding data line of the plurality of data lines and a corresponding wiring structure of the plurality of wiring structures, respectively.

15. The display panel according to claim 14 , wherein the display panel further comprises a plurality of second fan-out wires, the plurality of second fan-out wires is located between the plurality of pads and the plurality of wiring structures and electrically connected with the plurality of pads and the plurality of wiring structures.

16. The display panel according to claim 15 , wherein at least some of the plurality of wiring structures comprises a first sub-wiring and a second sub-wiring, the first sub-wiring and the second sub-wiring are connected in parallel with each other.

17. The display panel according to claim 16 , wherein each of the first sub-wiring and the second sub-wiring comprises a first terminal and a second terminal, the first terminal of the first sub-wiring and the first terminal of the s

Assignees

• Chengdu Boe Optoelect Tech Co
• Boe Technology Group Co Ltd

Inventors

• Wang Benlian
• Wang Li
• Chen Yipeng
• Zuo Yueping
• Liu Zheng

Classifications

• H10K59/131 Primary

  Interconnections, e.g. wiring lines or terminals · CPC title