Display panel and manufacturing method thereof, and display device

Patent metadata

Field	Value
Publication number	US-12563920-B2
Application number	US-202117920156-A
Country	US
Kind code	B2
Filing date	Nov 23, 2021
Priority date	May 21, 2021
Publication date	Feb 24, 2026
Grant date	Feb 24, 2026

Abstract

A display panel includes a base substrate, an active pattern layer and a first conductive layer. The active pattern layer is disposed on the base substrate, and includes at least one first conductive connection line. The first conductive layer is disposed on a side of the active pattern layer away from the base substrate. The first conductive layer includes at least one connection line extending along a first direction, and a plurality of initialization signal lines arranged along the first direction and extending along a second direction. An end of each initialization signal line is coupled to a connection line in the at least one connection line. The first direction and the second direction intersect. A first conductive connection line in the at least one first conductive connection line is coupled to at least two initialization signal lines that are coupled to a same connection line.

First claim

What is claimed is:

1 . A display panel, comprising:
a base substrate; an active pattern layer disposed on the base substrate and including at least one first conductive connection line; and a first conductive layer disposed on a side of the active pattern layer away from the base substrate; wherein the first conductive layer includes at least one connection line extending along a first direction, and a plurality of initialization signal lines arranged along the first direction and extending along a second direction; an end of each initialization signal line is coupled to a connection line in the at least one connection line; wherein the first direction and the second direction intersect; and a first conductive connection line in the at least one first conductive connection line is coupled to at least two initialization signal lines, wherein the at least two initialization signal lines are coupled to a same connection line.

2 . The display panel according to claim 1 , wherein
the at least one first conductive connection line includes a plurality of first conductive connection lines; wherein each first conductive connection line is coupled to at least two initialization signal lines that are coupled to a same connection line.

3 . The display panel according to claim 1 , wherein
the display panel has a through hole; the plurality of initialization signal lines include a plurality of first initialization signal lines, and another end of each first initialization signal line extends to the through hole; and the first conductive connection line is coupled to at least two first initialization signal lines, wherein the at least two first initialization signal lines are coupled to the same connection line.

4 . The display panel according to claim 3 , wherein
the at least one connection line includes two connection lines arranged opposite to each other; the plurality of initialization signal lines further include a plurality of second initialization signal lines arranged along the first direction and extending along the second direction; wherein two ends of each second initialization signal line are respectively coupled to the two connection lines; and each first conductive connection line is coupled to at least one second initialization signal line.

5 . The display panel according to claim 4 , wherein
the active pattern layer further includes at least one second conductive connection line, and each second conductive connection line is coupled to at least two second initialization signal lines.

6 . The display panel according to claim 1 , further comprising:
at least one first connection pattern disposed on a side of the first conductive layer away from the base substrate; wherein the first conductive connection line and an initialization signal line in the at least two initialization signal lines are coupled through a first connection pattern in the at least one first connection pattern.

7 . The display panel according to claim 6 , wherein
a coupling point where the first connection pattern and the initialization signal line are coupled is located at a position where the first conductive connection line coupled to the first connection pattern and the initialization signal line cross.

8 . The display panel according to claim 1 , wherein
the first conductive connection line extends along the first direction, and is in a shape of a straight strip.

9 . The display panel according to claim 1 , further comprising:
a second conductive layer disposed between the base substrate and the active pattern layer; wherein the second conductive layer includes at least one conductive line extending along a third direction; a conductive line in the at least one conductive line and an initialization signal line in the plurality of initialization signal lines are coupled through at least two coupling points.

10 . The display panel according to claim 9 , wherein
the third direction is parallel to the second direction.

11 . The display panel according to claim 9 , further comprising:
at least one second connection pattern disposed on a side of the first conductive layer away from the base substrate; wherein the conductive line and the initialization signal line are coupled through a second connection pattern in the at least one second connection pattern.

12 . The display panel according to claim 11 , wherein
the first conductive connection line, the initialization signal line and the conductive line are coupled through the second connection pattern.

13 . The display panel according to claim 9 , wherein
the active pattern layer further includes a plurality of active layers; the second conductive layer further includes a plurality of light-shielding patterns;
wherein an orthographic projection of an active layer in the plurality of active layers on the base substrate is located within an orthographic projection of a light-shielding pattern in the plurality of light-shielding patterns on the base substrate.

14 . The display panel according to claim 13 , further comprising:
power signal lines disposed on a side of the first conductive layer away from the base substrate; wherein the plurality of light-shielding patterns are coupled to the power signal lines.

15 . The display panel according to claim 3 , further comprising:
a third connection pattern disposed on a side of the first conductive layer away from the base substrate; wherein the third connection pattern is configured to be coupled to each first initialization signal line.

16 . A display device, comprising the display panel according to claim 1 .

17 . A manufacturing method of a display panel, comprising:
forming an active pattern layer on a base substrate, the active pattern layer including at least one first conductive connection line; and forming a first conductive layer on a side of the active pattern layer away from the base substrate; wherein the first conductive layer includes at least one connection line extending along a first direction, and a plurality of initialization signal lines arranged along the first direction and extending along a second direction; an end of each initialization signal line is coupled to a connection line in the at least one connection line; wherein the first direction and the second direction intersect; a first conductive connection line in the at least one first conductive connection line is coupled to at least two initialization signal lines, wherein the at least two initialization signal lines are coupled to a same connection line.

18 . The manufacturing method according to claim 17 , wherein forming the active pattern layer on the base substrate includes:
forming at least one semi-conductive connection line on the base substrate; and conductorizing the at least one semi-conductive connection line to obtain the active pattern layer including the at least one first conductive connection line.

19 . The display panel according to claim 2 , wherein
the display panel has a through hole; the plurality of initialization signal lines include a plurality of first initialization signal lines, and another end of each first initialization signal line extends to the through hole; and each first conductive connection line is coupled to at least two first initialization signal lines that are coupled to the same connection line.

20 . The display panel according to claim 2 , further comprising:
at least one first connection pattern disposed on a side of the first conduc

Assignees

• Chongqing Boe Display Tech Co Ltd
• Boe Technology Group Co Ltd

Inventors

• Wu Xinwei
• Zhang Wei
• Xu Yanyan
• Li Cunzhi
• Kwak Jonguk
• Zhao Ning

Classifications

• H10K59/1201 Primary

  Manufacture or treatment · CPC title

• H10K59/131 Primary

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

• H10K59/1213

  the pixel elements being TFTs · CPC title

• H10K59/1315 Primary

  comprising structures specially adapted for lowering the resistance · CPC title