Display assembly and display apparatus

Patent metadata

Field	Value
Publication number	US-12490613-B2
Application number	US-202117800576-A
Country	US
Kind code	B2
Filing date	Aug 13, 2021
Priority date	Sep 27, 2020
Publication date	Dec 2, 2025
Grant date	Dec 2, 2025

Abstract

A display assembly includes a display panel and a driving panel. The display panel has a display region and a non-display region, and the display region includes a first display region and a second display region that are adjacent. The display panel includes first pixel driving circuits, first light-emitting devices, and second light-emitting devices; the first pixel driving circuits and the first light-emitting devices are located in the first display region, and a first pixel driving circuit is coupled to a first light-emitting device and configured to drive the first light-emitting device to emit light; and the second light-emitting devices are located in the second display region. The drive panel includes second pixel driving circuits, a second pixel driving circuit is coupled to a second light-emitting device, and configured to drive the second light-emitting device to emit light.

First claim

What is claimed is:

1 . A display assembly, comprising:
a display panel having a display region and a non-display region, the display region including a first display region and a second display region that are adjacent, and the display panel including:
first pixel driving circuits located in the first display region;
first light-emitting devices located in the first display region, a first pixel driving circuit being coupled to a first light-emitting device and configured to drive the first light-emitting device to emit light; and
second light-emitting devices located in the second display region; and
a driving panel including second pixel driving circuits, a second pixel driving circuit being coupled to a second light-emitting device and configured to drive the second light-emitting device to emit light; wherein the non-display region includes a first non-display region, a bendable region and a second non-display region that are sequentially away from the display region; the display panel further includes a first bonding portion, and the first bonding portion is located in the second non-display region; and the bendable region is located between the first non-display region and the second non-display region, a portion of the display panel located in the bendable region is configured to bend a portion of the display panel located in the second non-display region to a non-light exit side of the display panel.

2 . The display assembly according to claim 1 , wherein the driving panel further includes a second bonding portion, and the display panel is coupled to the driving panel through the first bonding portion and the second bonding portion.

3 . The display assembly according to claim 2 , wherein the first bonding portion includes a plurality of first bonding pads, and the second bonding portion includes a plurality of second bonding pads, wherein
the plurality of first bonding pads are directly coupled to the plurality of second bonding pads, or the display assembly further includes a flexible printed circuit, and the plurality of first bonding pads are coupled to the plurality of second bonding pads through the flexible printed circuit.

4 . The display assembly according to claim 2 , wherein the display panel further includes a plurality of first signal lines, the plurality of first signal lines are each coupled to first pixel driving circuits and the first bonding portion, and configured to provide a driving signal for the first pixel driving circuits; and
the driving panel further includes a plurality of second signal lines, some of the plurality of second signal lines are each coupled to second pixel driving circuits and the second bonding portion, and configured to provide a driving signal for the second pixel driving circuits.

5 . The display assembly according to claim 4 , wherein the display panel further includes a plurality of third signal lines and at least one gate driving circuit, the plurality of third signal lines are coupled to the gate driving circuit and the first bonding portion, the plurality of third signal lines are configured to provide driving signals for the gate driving circuit, and the gate driving circuit is configured to provide scanning signals for a part of the first signal lines; and
the driving panel further includes second connecting lines, each second connecting line is coupled to a respective one of the plurality of third signal lines through the second bonding portion and the first bonding portion.

6 . The display assembly according to claim 4 , wherein the plurality of first signal lines include first scanning signal lines and first data signal lines, the plurality of second signal lines include second scanning signal lines and second data signal lines; each first scanning signal line and a respective second scanning signal line are coupled to be a scanning signal line, and each first data signal line and a respective second data signal line are coupled to be a data signal line;
the scanning signal line is coupled to first pixel driving circuits each coupled to a first light-emitting device and second pixel driving circuits each coupled to a second light-emitting device in a same row as the first light-emitting device; and the data signal line is coupled to first pixel driving circuits each coupled to a first light-emitting device and second pixel driving circuits each coupled to a second light-emitting device in a same column as the first light-emitting device, wherein first light-emitting devices and second light-emitting devices in a column consist of light-emitting devices with same orders in rows of light-emitting devices, and a part of the rows of light-emitting devices each include first light-emitting devices and second light-emitting devices.

7 . The display assembly according to claim 1 , wherein the display panel further includes first connecting lines; at least a portion of each first connecting line is located in the second display region, and a first connecting line couples the second light-emitting device to the second pixel driving circuit.

8 . The display assembly according to claim 7 , wherein a material of the portion of the first connecting line located in the second display region is a transparent conductive material.

9 . The display assembly according to claim 1 , wherein the display panel further includes first scanning signal lines and first connecting lines; a first scanning signal line is coupled to first pixel driving circuits and the first bonding portion; and a first connecting line is coupled to the second light-emitting device and the second pixel driving circuit;
the first scanning signal line includes a first scanning sub-pattern and a second scanning sub-pattern, the first scanning sub-pattern is located in the display region and the first non-display region, the second scanning sub-pattern is located in the bendable region and the second non-display region, and a conductivity of the second scanning sub-pattern is greater than a conductivity of the first scanning sub-pattern; and the first connecting line extends from the second display region into the second non-display region, the first connecting line includes a first connecting sub-pattern and a second connecting sub-pattern, the first connecting sub-pattern is located in the second display region and the first non-display region, the second connecting sub-pattern is located in the bendable region and the second non-display region, and a conductivity of the second connecting sub-pattern is greater than a conductivity of the first connecting sub-pattern.

10 . The display assembly according to claim 9 , wherein the display panel further includes first data signal lines, a first data signal line is coupled to first pixel driving circuits and the first bonding portion;
the first data signal line includes a first data sub-pattern, a second data sub-pattern and a third data sub-pattern, the first data sub-pattern is located in the display region, the second data sub-pattern is located in the first non-display region, the third data sub-pattern is located in the bendable region and the second non-display region; and the second data sub-pattern is disposed in a different layer from the first data sub-pattern and the third data sub-pattern.

11 . The display assembly according to claim 10 , wherein the first data signal line further includes a fourth data sub-pattern, the fourth data sub-pattern is configured to couple the first data sub-pattern to the second data sub-pattern; or
the first data sub-pattern and the third data sub-pattern are disposed in a same layer and made of a same material; the first data signal line further includes a fourth data

Assignees

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

Inventors

• Wang Yangpeng
• Zhang Zhenhua
• Xu Yingsong

Classifications

• H10D86/441 Primary

  Interconnections, e.g. scanning lines · CPC title

• H10D86/60

  wherein the TFTs are in active matrices · CPC title

• G09G3/3225

  using an active matrix · CPC title

• H10K59/1213

  the pixel elements being TFTs · CPC title

• H10K59/65 Primary

  OLEDs integrated with inorganic image sensors · CPC title