Display panel and display apparatus

Patent metadata

Field	Value
Publication number	US-12333107-B2
Application number	US-202418629163-A
Country	US
Kind code	B2
Filing date	Apr 8, 2024
Priority date	Feb 14, 2020
Publication date	Jun 17, 2025
Grant date	Jun 17, 2025

Abstract

A display panel includes a mutual-capacitance touch film layer with a drive electrode system and a sensing electrode system. One of the drive electrode system and the sensing electrode system is a first touch electrode system, and the other is a second touch electrode system. The first touch electrode system includes a plurality of first touch electrodes that extend in a first direction and that are arranged in a second direction, and a plurality of second touch electrodes that extend in the first direction and that are arranged in the second direction.

First claim

What is claimed is:

1. A flexible display panel, comprising:
a first frame region comprising an upper left region and a lower left region, wherein the upper left region is independent from the lower left region;
a second frame region comprising an upper right region and a lower right region, wherein the upper right region is independent from the lower right region;
a bending axis located between the first frame region and the second frame region;
a display film layer; and
a mutual-capacitance touch film layer stacked on the display film layer, wherein the mutual-capacitance touch film layer comprises:
a sensing electrode system, comprising:
a plurality of first touch electrodes that extend in a first direction and that are arranged in a second direction extending along the bending axis; and
a plurality of second touch electrodes that extend in the first direction and that are arranged in the second direction, wherein the first touch electrodes and the second touch electrodes are in a one-to-one correspondence, wherein an extension direction of a first touch electrode and an extension direction of a corresponding second touch electrode are arranged in a straight line, and wherein the first touch electrode and the corresponding second touch electrode are spaced apart; and
an interval location between each first touch electrode and a corresponding second touch electrode located on the bending axis; and

a drive electrode system, comprising:
a plurality of fourth touch electrodes that extend in the second direction and that are arranged in the first direction, wherein one or more of the fourth third touch electrodes and each first touch electrode in the upper left region and the upper right region are insulated and crossed, and wherein one or more of the fourth third touch electrodes and each second touch electrode are in the upper left region and the upper right region insulated and crossed; and
a plurality of fifth touch electrodes that extend in the second direction and that are arranged in the first direction, wherein one or more of the fifth touch electrodes and each first touch electrode in the lower left region and the lower right region are insulated and crossed, and wherein one or more of the fifth touch electrodes and each second touch electrode in the lower left region and the lower right region are insulated and crossed.

2. The flexible display panel of claim 1 , wherein the sensing electrode system further comprises a plurality of sixth touch electrodes that extend in the first direction and that are arranged in the second direction, wherein the sixth touch electrodes and the second touch electrodes are in a one-to-one correspondence, wherein an extension direction of a second touch electrode and an extension direction of a corresponding sixth touch electrode are located in a same straight line, wherein the second touch electrode is located between a corresponding first touch electrode and the corresponding sixth touch electrode, and wherein the second touch electrode and the corresponding sixth touch electrode are spaced apart.

3. The flexible display panel of claim 1 , wherein the display panel further comprises a display region, and wherein an interval location between a first touch electrode and a corresponding second touch electrode is located in the display region.

4. The flexible display panel of claim 3 , wherein the display panel further comprises a first frame region and a second frame region that are located on two opposite sides of the display region, wherein each first touch electrode extends from the display region to the first frame region, wherein each first touch electrode is electrically connected to a corresponding first touch signal cable in the first frame region, wherein each second touch electrode extends from the display region to the second frame region, and wherein each second touch electrode is electrically connected to a corresponding second touch signal cable in the second frame region.

5. The flexible display panel of claim 1 , wherein each first touch electrode comprises a plurality of electrically connected first electrode blocks, wherein each first electrode block comprises grid metal wires, wherein each second touch electrode comprises a plurality of electrically connected second electrode blocks, and wherein each second electrode block comprises grid metal wires.

6. A display apparatus, comprising:
a flexible display panel, comprising:
a first frame region comprising an upper left region and a lower left region, wherein the upper left region is independent from the lower left region;
a second frame region comprising an upper right region and a lower right region, wherein the upper right region is independent from the lower right region;
a bending axis located between the first frame region and the second frame region;
a display film layer; and
a mutual-capacitance touch film layer stacked on the display film layer, wherein the mutual-capacitance touch film layer comprises:
a sensing electrode system, comprising:
a plurality of first touch electrodes that extend in a first direction and that are arranged in a second direction along the bending axis;
a plurality of second touch electrodes that extend in the first direction and that are arranged in the second direction, wherein the first touch electrodes and the second touch electrodes are in a one-to-one correspondence, wherein an extension direction of a first touch electrode and an extension direction of a corresponding second touch electrode are located in a same straight line, and wherein the first touch electrode and the corresponding second touch electrode are spaced apart; and
an interval location between each first touch electrode and a corresponding second touch electrode located on the bending axis; and

a drive electrode system, comprising:
a plurality of fourth touch electrodes that extend in the second direction and that are arranged in the first direction, wherein one or more of the fourth touch electrodes and each first touch electrode in the upper left region and the upper right region are insulated and crossed, and wherein one or more of the fourth touch electrodes and each second touch electrode in the upper left region and the upper right region are insulated and crossed; and
a plurality of fifth touch electrodes that extend in the second direction and that are arranged in the first direction, wherein one or more of the fifth touch electrodes and each first touch electrode in the lower left region and the lower right region are insulated and crossed, and wherein one or more of the fifth touch electrodes and each second touch electrode in the lower left region and the lower right region are insulated and crossed.

7. The display apparatus of claim 6 , wherein the sensing electrode system further comprises a plurality of sixth touch electrodes that extend in the first direction and that are arranged in the second direction, wherein the sixth touch electrodes and the second touch electrodes are in a one-to-one correspondence, wherein an extension direction of a second touch electrode and an extension direction of a corresponding sixth touch electrode are located in a same straight line, wherein the second touch electrode is located between a corresponding first touch electrode and the corresponding sixth touch electrode, and wherein the second touch electrode and the corresponding sixth touch electrode are spaced apart.

8. The display apparatus of claim 6 , wherein the flexible display panel further comprises a display region, and wherein an interval location between a first touch electrode and a corresponding second touch electrode is located in the display region.

9. The display apparatus of claim 8 , wherei

Assignees

• Huawei Tech Co Ltd

Inventors

• Kuo Tawei
• Zhang Junyong
• He Haiming

Classifications

• G06F3/0412 Primary

  Digitisers structurally integrated in a display · CPC title

• G06F1/1652

  the display being flexible, e.g. mimicking a sheet of paper, or rollable · CPC title

• G06F3/0443

  using a single layer of sensing electrodes · CPC title

• G06F3/0446 Primary

  using a grid-like structure of electrodes in at least two directions, e.g. using row and column electrodes · CPC title

• G06F3/041662

  using alternate mutual and self-capacitive scanning · CPC title