Display substrate and display device

Patent metadata

Field	Value
Publication number	US-2025022886-A1
Application number	US-202218548962-A
Country	US
Kind code	A1
Filing date	Oct 28, 2022
Priority date	Oct 28, 2022
Publication date	Jan 16, 2025
Grant date	—

Abstract

A display substrate and a display device relate to the technical field of displaying. The display substrate includes a plurality of display units spaced apart from each other and a plurality of connecting units, the plurality of connecting units being connected between two adjacent display units; the plurality of connecting units including: two connecting units arranged along a first direction, wherein the first direction is parallel to a stretching direction of the display substrate; wherein the two connecting units arranged along the first direction are axisymmetric about a first reference line, so that the plurality of connecting units arranged along a second direction have a same deformation amount in a stretching state, the second direction is perpendicular to the stretching direction, and an extension direction of the first reference line is parallel to the second direction.

First claim

1 . A display substrate, comprising a plurality of display units spaced apart from each other and a plurality of connecting units, the connecting unit being connected between two adjacent display units;
the plurality of connecting units comprises: two connecting units arranged along a first direction, the first direction being parallel to a stretching direction of the display substrate; wherein the two connecting units arranged along the first direction are axisymmetric about a first reference line, to make the plurality of connecting units arranged along a second direction have a same deformation amount under a stretching state, the second direction is perpendicular to the stretching direction, and an extension direction of the first reference line is parallel to the second direction.

2 . The display substrate according to claim 1 , wherein the plurality of connecting units further comprise: two connecting units arranged along the second direction, and the two connecting units arranged along the second direction are axisymmetric about a second reference line, and an extension direction of the second reference line is parallel to the first direction.

3 . The display substrate according to claim 1 , wherein the two connecting units are connected to a same display unit, and the same display unit has two side edges disposed oppositely in an arrangement direction of the two connecting units, and the two connecting units are connected to different side edges of the two side edges respectively.

4 . The display substrate according to claim 1 , wherein the connecting unit comprises a first connection line and a second connection line, the first connection line and the second connection line are connected to a same side edge of a same display unit, and are connected to a same position on the same side edge.

5 . The display substrate according to claim 4 , wherein the same position is located at a midpoint of the same side edge.

6 . The display substrate according to claim 5 , wherein the first connection line is bend towards a side away from the second connection line, and the second connection line is bend towards a side away from the first connection line.

7 . The display substrate according to claim 1 , wherein the connecting unit comprises a third connection line and a fourth connection line, the third connection line and the fourth connection line are connected to a same side edge of a same display unit, and are connected to different positions on the same side edge.

8 . The display substrate according to claim 7 , wherein the third connection line and the fourth connection line are connected to different endpoints of the same side edge respectively.

9 . The display substrate according to claim 8 , wherein the third connection line is bend towards a side close to the fourth connection line, and the fourth connection line is bend towards a side close to the third connection line.

10 . The display substrate according to claim 1 , wherein the connecting unit comprises two connection lines, the two connection lines are axisymmetric about a third reference line, and an extension direction of the third reference line is parallel to an arrangement direction of the two display units connected by each of the connection lines.

11 . The display substrate according to claim 1 , wherein the display substrate comprises at least one symmetric unit, the symmetric unit at least comprises a first display unit and a second display unit, an arrangement direction of the first display unit and the second display unit is parallel to an arrangement direction of the two connecting units;
wherein, the first display unit has a first side edge away from the second display unit, the second display unit has a second side edge away from the first display unit, and the two connecting units are connected to the first side edge and the second side edge respectively.

12 . The display substrate according to claim 11 , wherein a shape of the display unit is a polygon, the connecting unit comprises a fifth connection line, and the fifth connection line is connected to a vertex of the polygon.

13 . The display substrate according to claim 11 , wherein a shape of the display unit is a polygon, and a plurality of vertexes of the polygon are connected to the different connecting units respectively.

14 . The display substrate according to claim 11 , wherein the first display unit and the second display unit are two adjacent display units.

15 . The display substrate according to claim 14 , wherein the connecting unit each comprises a fifth connection line, a shape of the fifth connection line is U-shaped, U-shaped openings of two adjacent fifth connection lines face different directions respectively.

16 . The display substrate according to claim 11 , wherein at least one display unit is further disposed between the first display unit and the second display unit.

17 . The display substrate according to claim 1 , wherein the connecting unit comprises at least one connection line, each of the connection lines are connected to the two adjacent display units, and a shape of the connection line comprises at least one of the following: U-shaped and S-shaped.

18 . The display substrate according to claim 1 , wherein the display substrate further comprises a hollow area, the hollow area is located between the display unit and the connecting unit, and among the plurality of the connecting units, and the hollow area penetrates through the display substrate in a normal direction of the display substrate.

19 . A display device, comprising
the display substrate according to claim 1 ; a driving integrated circuit, configured to provide a driving signal to the display substrate; and a power supply circuit, configured to provide a power supply to the display substrate.

20 . The display device according to claim 19 , wherein the display substrate further comprises a hollow area, the hollow area penetrates through the display substrate in a normal direction of the display substrate;
the display device further comprises: a flexible substrate disposed at at least one side of the display substrate; and an adhesive layer disposed between the display substrate and the flexible substrate; wherein an orthographic projection of the adhesive layer on the display substrate does not overlap with the connecting unit and the hollow area.

Assignees

• Boe Technology Group Co Ltd

Inventors

• Xue Jinxiang
• Sun Zhongyuan
• Liu Wenqi
• An Che
• Wang Weijie
• Zhang Fengjie
• Liu Fang

Classifications

• H10P58/00

  Singulating wafers or substrates into multiple chips, i.e. dicing · CPC title

• H10D86/60 Primary

  wherein the TFTs are in active matrices · CPC title

• H10D86/441

  Interconnections, e.g. scanning lines · CPC title

• G06F1/1652

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

• H10K59/131

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