Display panel and display device

Patent metadata

Field	Value
Publication number	US-12069919-B2
Application number	US-202318243084-A
Country	US
Kind code	B2
Filing date	Sep 6, 2023
Priority date	Sep 6, 2022
Publication date	Aug 20, 2024
Grant date	Aug 20, 2024

Abstract

A display panel and a display device are provided. The display panel includes a display area and at least two non-display areas arranged adjacently along a first direction. The display area at least partially surrounds the non-display areas. Each non-display area includes at least one light-transmitting area and a wiring area, and the wiring area at least partially surrounds the at least one light-transmitting area. The display area includes pixel circuits and driving signal lines electrically connected with the pixel circuits. A driving signal line includes a first segment in the display area, a first connection line located in the wiring area, and a second segment located between the at least two non-display areas that are arranged adjacently. The first segment is connected to the second segment through the first connection line and the first segment is at least located at a side of the at least two non-display areas that are arranged adjacently.

First claim

What is claimed is:

1. A display panel, comprising: a display area and at least two non-display areas arranged adjacently along a first direction, wherein:
the display area at least partially surrounds the non-display areas;
each of the at least two non-display areas includes at least one light-transmitting area and a wiring area, wherein the wiring area at least partially surrounds the at least one light-transmitting area;
the display area includes a plurality of pixel circuits and a plurality of driving signal lines electrically connected with the plurality of pixel circuits; and
a driving signal line of the plurality of driving signal lines includes a first segment in the display area, a first connection line located in the wiring area, and a second segment located between the at least two non-display areas that are arranged adjacently, wherein the first segment is connected to the second segment through the first connection line and the first segment is at least located at a side of the at least two non-display areas that are arranged adjacently.

2. The display panel according to claim 1 , wherein:
the first segment includes a first sub-first-segment located at a first side of the at least two non-display areas that are arranged adjacently and a second sub-first-segment located at a second side of the at least two adjacent non-display area; and
the first sub-first-segment is connected to the second sub-first-segment through a corresponding first connection line.

3. The display pane according to claim 2 , wherein:
the at least two non-display areas that are arranged adjacently include a first non-display area and a second non-display area;
along the first direction, a width of the first non-display area is larger than a width of the second non-display area; and
the first connection lines are located in the second non-display area.

4. The display pane according to claim 2 , wherein:
the at least two non-display areas that are arranged adjacently include a first non-display area and a second non-display area;
along the first direction, a width of the first non-display area is larger than a width of the second non-display area; and
the first connection lines are located in the first non-display area.

5. The display panel according to claim 1 , wherein:
the first segment includes a first sub-first-segment located at a first side of the at least two non-display areas that are arranged adjacently and a second sub-first-segment located at a second side of the at least two non-display areas that are arranged adjacently; and
the first sub-first-segment is connected to a first end of a corresponding second segment through a corresponding first connection line, and the second sub-first-segment is connected to a second end of the corresponding second segment through a corresponding first connection line.

6. The display pane according to claim 1 , wherein:
along a second direction, the wiring area includes a first wiring area and a second wiring area located at two sides of the at least one light-transmitting area respectively, wherein the second direction intersects the first direction; and
the driving signal lines are disposed in both the first wiring area and the second wiring area.

7. The display pane according to claim 6 , wherein:
along the second direction, the first connection lines are distributed at two sides of the at least one light-transmitting area evenly in number.

8. The display panel according to claim 6 , wherein:
each of the plurality of pixel circuits includes a data writing module, and the driving signal lines include scan lines electrically connected to data writing modules; and
the first connection lines of the scan lines are disposed both in the first wiring area and the second wiring area.

9. The display panel according to claim 8 , wherein:
the pixel circuit further includes a light-emitting control module, a reset module and a compensation module;
the driving signal lines further include light-emitting control signal lines and circuit control signal lines;
the circuit control signal lines include first circuit control lines and second circuit control lines;
a light-emitting control signal line is electrically connected with a corresponding light-emitting control module;
a first circuit control line is electrically connected with a corresponding reset module;
a second circuit control line is electrically connected with a corresponding compensation module;
the first connection lines of the light-emitting control signal lines are all located in the first wiring area, and the first connection lines of the circuit control signal lines are all located in the second wiring area.

10. The display panel according to claim 8 , wherein:
the pixel circuit further includes a light-emitting control module, a reset module and a compensation module;
the driving signal lines further include light-emitting control signal lines and circuit control signal lines;
the circuit control signal lines include first circuit control lines and second circuit control lines;
a light-emitting control signal line is electrically connected with a corresponding light-emitting control module;
a first circuit control line is electrically connected with a corresponding reset module;
a second circuit control line is electrically connected with a corresponding compensation module;
the first connection lines of the first circuit control lines and at least a portion of the first connection lines of the light-emitting control signal lines are disposed in the first wiring area, and the first connection lines of the second circuit control lines at least a remaining portion of the first connection lines of the light-emitting control signal lines are located in the second wiring area.

11. The display panel according to claim 10 , wherein:
the at least two non-display areas that are arranged adjacently include a first non-display area and a second non-display area;
along the first direction, a width of the first non-display area is larger than a width of the second non-display area width; and
the first connection lines included in the scan lines are all located in the second non-display area.

12. The display panel according to claim 10 , wherein:
the at least two non-display areas that are arranged adjacently include a first non-display area and a second non-display area;
along the first direction, a width of the first non-display area is larger than a width of the second non-display area width;
at least a portion of the first connection lines included in the light-emitting control signal lines is located in the second non-display area; and
at least a portion of the first connection lines included in the circuit control signal lines is located in the second non-display area.

13. The display panel according to claim 1 , wherein:
one of the plurality of driving signal lines further includes a second connection line;
the first segment is connected to the second segment through the second connection line;
the second connection line includes two first connection wires and one second connection wire;
the first connection wires extend along the second direction, and the second connection wire extends along the first direction, wherein the second direction intersects the first direction;
along the second direction, the second connection wire is located at a side of the wiring area away from the at least one light-transmitting area, and two ends of the second connection wire are respectively electrically connected to the two first connection wires;
along the first direction, another end of one of the first connection wires is e

Assignees

• Wuhan Tianma Micro Electronics Co Ltd
• Wuhan Tianma Micro Electronics Co Ltd Shanghai Branch

Inventors

• Wei Qibing
• Zhang Peng
• Zhou Xingyao
• Huang Gaojun
• Kuang Lilian

Classifications

• G09G2300/0861

  with additional control of the display period without amending the charge stored in a pixel memory, e.g. by means of additional select electrodes · CPC title

• G09G2300/0842

  forming a memory circuit, e.g. a dynamic memory with one capacitor · CPC title

• G09G3/3225

  using an active matrix · CPC title

• H10K59/121

  characterised by the geometry or disposition of pixel elements · CPC title

• H10K59/131 Primary

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