Display panel and display device

Patent metadata

Field	Value
Publication number	US-12547281-B2
Application number	US-202418924382-A
Country	US
Kind code	B2
Filing date	Oct 23, 2024
Priority date	Feb 9, 2021
Publication date	Feb 10, 2026
Grant date	Feb 10, 2026

Abstract

A display panel, including: a substrate base plate; touch electrodes; touch lead wires on the substrate base plate, one end of the touch lead wire is coupled with the touch electrode, the other end thereof is in a peripheral area, the touch lead wires in the display panel are divided into touch lead wire sets, each touch lead wire set includes touch lead wires; data lead wires on the substrate base plate in the peripheral area, the data lead wires are divided into data lead wire sets, each data lead wire set includes data lead wires, the touch lead wire sets and the data lead wire sets are distributed in a staggered manner; at least one shielding line on the substrate base plate in the peripheral area, an orthographic projection of the shielding line is between orthographic projections of the touch lead wire and the data lead wire.

First claim

What is claimed is:

1 . A display panel, comprising: a display area and a peripheral area positioned on at least one side of the display area; wherein
the display panel further comprises: a substrate; a plurality of touch electrodes, at least some of the plurality of touch electrodes are positioned on a portion, in the display area, of the substrate; a plurality of touch leads positioned on the substrate, one ends of the plurality of touch leads being coupled to the touch electrodes, the other ends of the plurality of touch leads being positioned in the peripheral area, the plurality of touch leads in the display panel being divided into a plurality of touch lead sets, and each of the touch lead sets comprising touch leads; a plurality of data leads positioned on a portion, in the peripheral area, of the substrate, the plurality of data leads in the display panel being divided into a plurality of data lead sets, each of the plurality of data lead sets comprising data leads, and at least some of the plurality of touch lead sets and some of the plurality of data lead sets being alternately distributed; and at least one shielding line positioned on the portion, in the peripheral area, of the substrate, an orthographic projection, on the substrate, of the shielding line being positioned between an orthographic projection, on the substrate, of the touch leads and an orthographic projection, on the substrate, of the data leads; wherein the display panel further comprises: a touch shielding line positioned on the substrate; wherein the peripheral areas comprise: a first peripheral area and a second peripheral area that are arranged opposite each other, and a third peripheral area and a fourth peripheral area that are arranged opposite each other, the shielding line being positioned in the first peripheral area; and a first end and a second end of the touch shielding line are positioned in the first peripheral area, and the touch shielding line passes through the second peripheral area, the third peripheral area, and the fourth peripheral area and surrounds each touch electrode in the display panel.

2 . The display panel according to claim 1 , wherein the peripheral area comprises a first fan-out area, a second fan-out area positioned on one side, away from the display area, of the first fan-out area, and a bendable area positioned between the first fan-out area and the second fan-out area; wherein
the shielding line is positioned in at least one of the first fan-out area, the bendable area, or the second fan-out area.

3 . The display panel according to claim 2 , further comprising: a plurality of first electrodes, second electrodes positioned on one sides, facing away from the substrate, of the first electrodes, and light-emitting layers positioned between the first electrodes and the second electrodes; wherein
the orthographic projection, on the substrate, of the shielding line overlaps an orthographic projection, on the substrate, of the second electrodes and does not overlap an orthographic projection, on the substrate, of the touch electrodes.

4 . The display panel according to claim 3 , further comprising: an encapsulation layer positioned on one side, facing away from the substrate, of the second electrodes; wherein
the shielding line comprises a first shielding sub-line and a second shielding sub-line; the first shielding sub-line is positioned on one side, facing away from the substrate, of the encapsulation layer; the second shielding sub-line is positioned on one side, close to the substrate, of the first electrode; an orthographic projection, on the substrate, of a first end of the first shielding sub-line is positioned within a range of the orthographic projection, on the substrate, of the second electrodes, and a second end of the first shielding sub-line is positioned in the first fan-out area; the second shielding sub-line is positioned in the first fan-out area, the bendable area, and the second fan-out area; and the second end of the first shielding sub-line is coupled to the second shielding sub-line through a first via hole, the first via hole penetrating an insulation layer between the first shielding sub-line and the second shielding sub-line.

5 . The display panel according to claim 4 , wherein each of the plurality of touch leads comprises a first lead portion and a second lead portion; wherein
the first lead portion is positioned on one side, facing away from the substrate, of the encapsulation layer; the second lead portion is positioned on one side, close to the substrate, of the first electrode; a first end of the first lead portion is coupled to the touch electrodes, and a second end thereof is positioned in the first fan-out area; the second lead portion is positioned in the first fan-out area, the bendable area, and the second fan-out area; a second end of the first lead portion is coupled to the second lead portion through a first through hole, the first through hole penetrating an insulation layer between the first lead portion and the second lead portion; and the second shielding sub-line is positioned on a film layer same as a film layer where the second lead portion is.

6 . The display panel according to claim 5 , wherein the first shielding sub-line comprises: a first wire and a second wire positioned on one side, close to the substrate, of the first wire, wherein the first wire is coupled to the second wire through a second through hole, the second through hole penetrating an insulation layer between the first wire and the second wire; and
the first lead portion comprises a first lead and a second lead positioned on one side, close to the substrate, of the first lead, wherein the first lead is coupled to the second lead through a third through hole, the third through hole penetrating an insulation layer between the first lead and the second lead; wherein the first wire is positioned on a film layer same as a film layer where the first lead is, and the second wire is positioned on a film layer same as a film layer where the second lead is.

7 . The display panel according to claim 4 , wherein the shielding line further comprises: a third shielding sub-line positioned in the second fan-out area; wherein
the third shielding sub-line is positioned on one side, close to the substrate, of the second shielding sub-line; and the second shielding sub-line is coupled to the third shielding sub-line through a second via hole, the second via hole penetrating an insulation layer between the second shielding sub-line and the third shielding sub-line, and the second via hole being positioned in the second fan-out area.

8 . The display panel according to claim 7 , wherein the shielding line further comprises: a fourth shielding sub-line positioned in the second fan-out area; wherein
the fourth shielding sub-line is positioned on one side, close to the substrate, of the third shielding sub-line; and the third shielding sub-line is coupled to the fourth shielding sub-line through a third via hole, the third via hole penetrating an insulation layer between the third shielding sub-line and the fourth shielding sub-line.

9 . The display panel according to claim 8 , wherein in the peripheral area, the plurality of data leads in the display panel are divided into a plurality of first data leads positioned on a first metal layer and a plurality of second data leads positioned on a second metal layer, the second metal layer being positioned on one side, close to the substrate, of the first metal layer; wherein
orthographic projections, on the substrate, of the first data leads and orthographic projections, on the substrate, of the second data leads are alternately distributed.

Assignees

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

Inventors

• Fang Fei
• Wang Zhu
• Shi Ling
• Yang Bo

Classifications

• H10K59/131

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

• H10K59/873

  Encapsulations · CPC title

• G06F3/0443

  using a single layer of sensing electrodes · CPC title

• G06F2203/04107

  Shielding in digitiser, i.e. guard or shielding arrangements, mostly for capacitive touchscreens, e.g. driven shields, driven grounds · CPC title

• H10K59/40

  OLEDs integrated with touch screens · CPC title