Display substrate and display device

Patent metadata

Field	Value
Publication number	US-12538684-B2
Application number	US-202117764852-A
Country	US
Kind code	B2
Filing date	May 13, 2021
Priority date	Jun 1, 2020
Publication date	Jan 27, 2026
Grant date	Jan 27, 2026

Abstract

A display substrate and a display device including a base substrate, a plurality of first connection wirings, and a plurality of second connection wirings. The base substrate includes a display area including a first display area and a second display area, the first display area includes a plurality of first light-emitting devices and a plurality of second light-emitting devices, and the second display area includes a plurality of first pixel circuits and a plurality of second pixel circuits. At least a portion of the plurality of first connection wirings extends along a first direction, at least a portion of the plurality of second connection wirings extends along the first direction, at least a portion of the plurality of first connection wirings is located on a first side of a row provided with first electrodes of the plurality of first and second light-emitting devices in a second direction.

First claim

What is claimed is:

1 . A display substrate, comprising: a first side for display and a second side opposite to the first side;
a base substrate including a display area including a first display area and a second display area which surrounds the first display area in part or totally, wherein the first display area includes a first subpixel array and allows light from the first side of the display substrate to be transmitted to the second side of the display substrate, the first subpixel array includes a plurality of light-emitting elements arranged in an array, and the plurality of light-emitting elements include a plurality of first light-emitting elements and a plurality of second light-emitting elements; the second display area includes a first pixel circuit array which includes a plurality of first pixel circuit units, and the plurality of first pixel circuit units include a plurality of first pixel circuits and a plurality of second pixel circuits; a plurality of first connection lines which are at least partially extended along a first direction and connected with the plurality of first pixel circuits and the plurality of first light-emitting elements in one-to-one correspondence, and the first pixel circuit is configured to drive the first light-emitting elements through the first connection lines; and a plurality of second connection lines which are at least partially extended along the first direction and connected with the plurality of second pixel circuits and the plurality of second light-emitting elements in one-to-one correspondence, and the second pixel circuit is configured to drive the second light-emitting elements through the second connection lines; each of the plurality of light-emitting elements includes a first electrode, and the first electrodes of the plurality of first light-emitting elements and the plurality of second light-emitting elements are arranged in the same row along the first direction; in the first display area, the plurality of first connection lines are at least partially provided on a first side of a row provided with the first electrodes of the plurality of first light-emitting elements and the plurality of second light-emitting elements in a second direction, and the plurality of first connection lines are at least partially provided on a second side of the row provided with the first electrodes of the plurality of first light-emitting elements and the plurality of second light-emitting elements in a second direction; wherein the second direction is intercrossed with the first direction, and the first side and the second side of the row provided with the first electrodes of the plurality of first light-emitting elements and the plurality of second light-emitting elements are opposite to each other in the second direction; the plurality of first pixel circuits and the plurality of second pixel circuits are provided in a same row, the plurality of first connection lines and the plurality of second connection lines are not crossed with each other, respectively, an end of at least one of the plurality of first connection lines is connected with a corresponding first light-emitting element, and extends from the first side to the second display area in the first direction, and extends from a side of a row where the plurality of first pixel circuits are located to a second side of the row where the plurality of first pixel circuits are located in the second direction opposite to the first direction, to connect to a corresponding first pixel circuit.

2 . The display substrate according to claim 1 , wherein, in the first direction, the plurality of first light-emitting elements are provided on a side of the plurality of second light-emitting elements near the second display area.

3 . The display substrate according to claim 1 , wherein each of the plurality of first connection lines includes a first main part and at least one first bending part;
the first main part is extended along the first direction and disposed on the first side of the row provided with the first electrodes of the plurality of first light-emitting elements and the plurality of second light-emitting elements, and the first main parts are connected with the first electrodes of the plurality of first light-emitting elements in one-to-one correspondence; the at least one first bending part is connected with the first pixel circuit and the first main parts respectively and is extended to the first side of the first pixel circuit from the first pixel circuit so that the first main parts are away from the first electrodes of the plurality of the first light-emitting elements in the first display area.

4 . The display substrate according to claim 3 , wherein the at least one first bending part is at least partially extended towards the first side of the first pixel circuit along a third direction; and
the third direction is intercrossed with the first direction and the second direction.

5 . The display substrate according to claim 4 , wherein the at least one first bending part of at least one of the plurality of first connection lines includes a first bending sub-part;
the first bending sub-part is disposed on the first side of the first pixel circuit, the first bending sub-part is extended along the third direction and connected with the first pixel circuit and the first main part; and one of the first pixel circuits connected with the first bending sub-part is adjacent to the second pixel circuit.

6 . The display substrate according to claim 5 , wherein the at least one first bending part of the at least one of the plurality of first connection lines includes a second bending sub-part, a third bending sub-part, a first connection sub-part, and a second connection sub-part, wherein
the first connection sub-part and the second bending sub-part are disposed on the second side of the first pixel circuit, the second bending sub-part is extended along the third direction, and the first connection sub-part is extended along the first direction and connected with the first pixel circuit and the second bending sub-part; the second connection sub-part is extended along the second direction and disposed between the first pixel circuit and the second subpixel circuit which are adjacent to each other and is connected with the second bending sub-part and the third bending sub-part; the third bending sub-part is disposed on the first side of the first pixel circuit and is extended along the third direction and is connected with the first main part of the first connection line; and the second side and the first side of the first pixel circuit are opposite to each other in the second direction.

7 . The display substrate according to claim 4 , wherein the at least one first bending part of at least one of the plurality of first connection lines is extended to the first side of the first pixel circuit from a second side of the first pixel circuit and includes a second bending sub-part, a third bending sub-part, a first connection sub-part, and a second connection sub-part;
the first connection sub-part and the second bending sub-part are disposed on the second side of the first pixel circuit, the second bending sub-part is extended along the third direction, and the first connection sub-part is extended along the first direction and connected with the first pixel circuit and the second bending sub-part; the second connection sub-part is extended along the second direction and disposed between two adjacent first pixel circuits and is connected with the second bending sub-part and the third bending sub-part; the third bending sub-part is disposed on the first side of the first pixel circuit and is extended along the third direction and connected with the first main part o

Assignees

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

Inventors

• Yang Guobo
• Long Yue
• Wei Feng
• Wang Benlian
• Wang Binyan
• Tang Guoqiang
• Huang Yao
• Huang Weiyun
• Gu Pinchao
• Sun Kuo

Classifications

• H10K59/65

  OLEDs integrated with inorganic image sensors · CPC title

• H10K59/131 Primary

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

• H10K59/122

  Pixel-defining structures or layers, e.g. banks · CPC title

• H10K59/353 Primary

  characterised by the geometrical arrangement of the RGB subpixels · CPC title

• H04M1/0264

  for a camera module assembly · CPC title