Display substrate and display apparatus

Patent metadata

Field	Value
Publication number	US-12563949-B2
Application number	US-202118267538-A
Country	US
Kind code	B2
Filing date	Nov 26, 2021
Priority date	Nov 26, 2021
Publication date	Feb 24, 2026
Grant date	Feb 24, 2026

Abstract

A display substrate includes a base substrate and a blocking structure on the base substrate and in a non-display region, and further includes first and second conductive layers, and an anode conductive layer on the base substrate and sequentially arranged away from the base substrate; the first conductive layer and the anode conductive layer have first and second boundary lines, respectively; extending directions of the first and second boundary lines are substantially parallel to each other; the second boundary line is on a side of the first boundary line away from the display region; in the fan-out region, the first conductive layer terminates, and the second conductive layer is continuously arranged; in the corner region, the anode conductive layer terminates, and an orthographic projection of the blocking structure on the base substrate at least partially covers an orthographic projection of the first and second boundary lines on the base substrate.

First claim

What is claimed is:

1 . A display substrate having a display region and a non-display region surrounding the display region, wherein the display substrate comprises a base substrate and a blocking structure on the base substrate and in the non-display region; the display substrate further comprises a first conductive layer, a second conductive layer, and an anode conductive layer, which are on the base substrate and sequentially arranged along a direction away from the base substrate; the first conductive layer has a first boundary line; the anode conductive layer has a second boundary line, which has an extending direction substantially parallel to an extending direction of the first boundary line; the second boundary line is on a side of the first boundary line away from the display region; the non-display region comprises a fan-out region on a side of the display region, and a corner region connected to the fan-out region;
in the fan-out region, the first conductive layer terminates, and the second conductive layer is continuously arranged; and in the corner region, the anode conductive layer terminates, and an orthographic projection of the blocking structure on the base substrate at least partially covers an orthographic projection of each of the first boundary line and the second boundary line on the base substrate.

2 . The display substrate according to claim 1 , wherein the blocking structure comprises a first blocking dam; and
an orthographic projection of the first blocking dam on the base substrate at least partially covers the orthographic projection of the first boundary line and the second boundary line on the base substrate.

3 . The display substrate according to claim 1 , wherein the first conductive layer further has a third boundary line, which has an extending direction substantially parallel to the extending direction of the first boundary line; the third boundary line is on a side of the first boundary line away from the display region; and
the anode conductive layer further has a fourth boundary line, which has an extending direction substantially parallel to the extending direction of the second boundary line; the fourth boundary line is located on a side of the second boundary line away from the display region, and the fourth boundary line is located on a side of the third boundary line away from the display region.

4 . A display substrate according to claim 3 , wherein the blocking structure further comprises a second blocking dam on a side of the first blocking dam away from the display region; and
an orthographic projection of the second blocking dam on the base substrate at least partially covers an orthographic projection of each of the third boundary line and the fourth boundary line on the base substrate.

5 . The display substrate according to claim 3 , wherein the first conductive layer further has a first connection line connecting the first boundary line and the third boundary line; the anode conductive layer further has a second connection line connecting the second boundary line and the fourth boundary line; the second connection line is located on a side of the first connection line close to the fan-out region;
an included angle between an extending direction of the first connection line and each of the extending directions of the first boundary line and the third boundary line is greater than or equal to 90 degrees; and an included angle between an extension direction of the second connection line and each of the extending directions of the second boundary line and the fourth boundary line is greater than or equal to 90 degrees.

6 . The display substrate according to claim 4 , w wherein the first conductive layer further has a fifth boundary line, which has an extending direction substantially parallel to the extending direction of the third boundary line; the fifth boundary line is on a side of the third boundary line away from the display region; and
the anode conductive layer further has a sixth boundary line, which has an extending direction substantially parallel to the extending direction of the fourth boundary line; the sixth boundary line is located on a side of the fourth boundary line away from the display region, and the sixth boundary line is located on a side of the fifth boundary line away from the display region.

7 . The display substrate according to claim 6 , wherein the display substrate further comprises an intercepting structure on the base substrate and in the non-display region; and
the intercepting structure is farther from the display region than the second blocking dam.

8 . The display substrate according to claim 7 , wherein an orthographic projection of the intercepting structure on the base substrate at least partly covers an orthographic projection of each of the fifth boundary line and the sixth boundary line on the base substrate.

9 . The display substrate according to claim 6 , wherein the first conductive layer further has a third connection line connecting the third boundary line and the fifth boundary line; the anode conductive layer further has a fourth connection line connecting the fourth boundary line and the sixth boundary line; the fourth connection line is located on a side of the third connection line close to the fan-out region;
an included angle between an extending direction of the third connection line and each of the extending directions of the third boundary line and the fifth boundary line is greater than or equal to 90 degrees; and an included angle between an extending direction of the fourth connection line and each of the extending directions of the fourth boundary line and the extending direction of the sixth boundary line is greater than or equal to 90 degrees.

10 . The display substrate according to claim 3 , wherein the first conductive layer further has a seventh boundary line substantially, which has an extending direction parallel to the extending direction of the third boundary line; the seventh boundary line is between the first boundary line and the third boundary line; and
the anode conductive layer further has an eighth boundary line, which has an extending direction substantially parallel to the extending direction of the fourth boundary line; the eighth boundary line is between the second boundary line and the fourth boundary line, and the eighth boundary line is on a side of the seventh boundary line away from the display region.

11 . The display substrate according to claim 10 , wherein the first blocking dam comprises a first blocking sub-dam and a second blocking sub-dam; the first blocking sub-dam is closer to the display region than the second blocking sub-dam;
an orthographic projection of the first blocking sub-dam on the base substrate at least partially covers the orthographic projection of the first boundary line and the second boundary line on the base substrate; and an orthographic projection of the second blocking sub-dam on the base substrate at least partially covers an orthographic projection of each of the seventh boundary line and the eighth boundary line on the base substrate.

12 . The display substrate according to claim 10 , wherein the first conductive layer further has a fifth connection line connecting the first boundary line and the seventh boundary line, and a sixth connection line connecting the third boundary line and the seventh boundary line; the anode conductive layer further has a seventh connection line connecting the second boundary line and the eighth boundary line, and an eighth connection line connecting the fourth boundary line and the eighth boundary line; the seventh connection line is on a side of the

Assignees

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

Inventors

• Bai Lu
• Zhang Bo
• Chen Jiaxing
• Zhou Yang
• Chu Zhiwen

Classifications

• H10K59/131 Primary

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

• H10K59/873 Primary

  Encapsulations · CPC title