Display substrate and display apparatus

Patent metadata

Field	Value
Publication number	US-12379801-B2
Application number	US-202218294319-A
Country	US
Kind code	B2
Filing date	Sep 27, 2022
Priority date	Sep 27, 2022
Publication date	Aug 5, 2025
Grant date	Aug 5, 2025

Abstract

Provided are a display substrate and a display apparatus. The display apparatus includes a base substrate including a display region and a bezel region on at least one side of the display region; and a plurality of touch lines in the bezel region, including a plurality of touch drive lines and a plurality of touch sensing lines, where a first distance is provided between any two adjacent touch drive lines in the plurality of touch drive lines, a second distance is provided between any two adjacent touch sensing lines in the plurality of touch sensing lines, a third distance is provided between the plurality of touch drive lines and the plurality of touch sensing lines, the first distance is substantially equal to the second distance, and the third distance is greater than each of the first distance and the second distance.

First claim

What is claimed is:

1. A display substrate, comprising:
a base substrate comprising a display region and a bezel region on at least one side of the display region;
a plurality of touch lines in the bezel region, comprising a plurality of touch drive lines and a plurality of touch sensing lines, wherein a first distance is provided between any two adjacent touch drive lines in the plurality of touch drive lines, a second distance is provided between any two adjacent touch sensing lines in the plurality of touch sensing lines, a third distance is provided between the plurality of touch drive lines and the plurality of touch sensing lines, the first distance is substantially equal to the second distance, and the third distance is greater than each of the first distance and the second distance,
wherein the third distance is greater than or equal to 4.5 times the first distance, and less than or equal to 37.5 times the first distance.

2. The display substrate according to claim 1 , wherein a blank is reserved between the plurality of touch drive lines and the plurality of touch sensing lines.

3. The display substrate according to claim 1 , further comprising at least one shield line between the plurality of touch drive lines and the plurality of touch sensing lines.

4. The display substrate according to claim 3 , wherein the shield line has a line width greater than or equal to 2.5 times the first distance, and less than or equal to 12.5 times the first distance.

5. The display substrate according to claim 3 , wherein a fourth distance is provided between the at least one shield line and the plurality of touch drive lines, a fifth distance is provided between the at least one shield line and the plurality of touch sensing lines, and the fourth distance and the fifth distance are each greater than or equal to the first distance, and less than or equal to 12.5 times the first distance.

6. The display substrate according to claim 5 , wherein the number of the at least one shield line is 1, and the fourth distance and the fifth distance are each greater than a line width of the shield line.

7. The display substrate according to claim 5 , wherein the number of the at least shield line is a positive integer, and the fourth distance and the fifth distance are each smaller than a line width of the shield line.

8. The display substrate according to claim 7 , wherein the number of the at least one shield line is greater than or equal to 2, a sixth distance is provided between any two adjacent shield lines, and the sixth distance, the fourth distance and the fifth distance are substantially the same.

9. The display substrate according to claim 8 , wherein the number of the at least one shield line is greater than or equal to 3, and the fourth distance, the fifth distance, and the sixth distance are each substantially equal to the first distance, or
wherein the line width of the shield line is inversely related to the number of the at least one shield line.

10. The display substrate according to claim 3 , wherein the bezel region comprises a first bezel region on a side of the display region, a second bezel region opposite to the first bezel region, and a third bezel region and a fourth bezel region each connecting the first bezel region and the second bezel region, wherein the first bezel region comprises a first fan-out region, a bending region, and a second fan-out region arranged in sequence along a direction away from the display region; and
the at least one shield line each comprises a main body part and at least two branch parts, wherein the main body part and the at least two branch parts of the same shield line are integrally formed, the main body part is located in the second fan-out region and the bending region, and the at least two branch parts are located in at least parts of the first fan-out region, the second bezel region, the third bezel region, and the fourth bezel region.

11. The display substrate according to claim 10 , wherein the main body part has a line width substantially equal to 2.5 times the first distance.

12. The display substrate according to claim 10 , wherein a seventh distance is provided between the main body part and the plurality of touch drive lines, an eighth distance is provided between the main body part and the plurality of touch sensing lines, and the seventh distance and the eighth distance are each greater than or equal to the first distance, and less than or equal to 4.5 times the first distance.

13. The display substrate according to claim 10 , wherein each branch part has a line width greater than or equal to 2.5 times the first distance, and less than or equal to 12.5 times the first distance.

14. The display substrate according to claim 10 , wherein a ninth distance is provided between the branch parts and the plurality of touch drive lines, a tenth distance is provided between the branch parts and the plurality of touch sensing lines, and the ninth distance and the tenth distance are each greater than or equal to the first distance, and less than or equal to 12.5 times the first distance.

15. The display substrate according to claim 13 , wherein in the second fan-out region, the touch drive line or the touch sensing line on at least one side of the main body part each comprise: a first touch part, a second touch part, and a third touch part connected in sequence along a direction away from the display region, wherein
an eleventh distance is provided between the first touch part and the main body part, a twelfth distance is provided between the second touch part and the main body part, a thirteenth distance is provided between the third touch part and the main body part, the eleventh distance is substantially equal to the first distance, the twelfth distance is greater than the first distance and less than 4.5 times the first distance, and the thirteenth distance is substantially equal to 4.5 times the first distance.

16. The display substrate according to claim 3 , further comprising at least one ground line between the plurality of touch drive lines and the plurality of touch sensing lines, wherein the ground line and the shield line are disposed independent from each other.

17. The display substrate according to claim 16 , wherein the at least one ground line and the at least one shield line are arranged alternatively between the plurality of touch drive lines and the plurality of touch sensing lines, or
wherein at least part of the at least one shield line is disposed closer to the plurality of touch drive lines than the at least one ground line.

18. The display substrate according to claim 1 ,
wherein each touch line has a line width substantially equal to 2.5 times the first distance.

19. A display apparatus, comprising the display substrate according to claim 1 and a flexible printed circuit electrically connected to the display substrate and located on an opposite side to a display side of the display apparatus.

20. The display apparatus according to claim 19 , wherein the display substrate comprises a display region, and a first bezel region on a side of the display region and configured to be bonded to the flexible printed circuit; wherein
the first bezel region comprises a first fan-out region, a bending region, and a second fan-out region arranged in sequence along a direction away from the display region, wherein the first fan-out region is located on the display side, and the second fan-out region is located on the opposite side.

Assignees

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

Inventors

• Wang Wei
• Chen Tianci
• Zhang Yi
• Dai Junxiu
• Luo Chang
• Wang Siyu
• Wang Yu
• Wen Ping
• Zeng Yang

Classifications

• G06F2203/04111

  Cross over in capacitive digitiser, i.e. details of structures for connecting electrodes of the sensing pattern where the connections cross each other, e.g. bridge structures comprising an insulating layer, or vias through substrate · 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

• G06F2203/04102

  Flexible digitiser, i.e. constructional details for allowing the whole digitising part of a device to be flexed or rolled like a sheet of paper · CPC title

• H10K59/40 Primary

  OLEDs integrated with touch screens · CPC title

• G06F3/0443

  using a single layer of sensing electrodes · CPC title