Sub pixel and signal line arrangements for display panel and display device

Patent metadata

Field	Value
Publication number	US-12284832-B2
Application number	US-202318530488-A
Country	US
Kind code	B2
Filing date	Dec 6, 2023
Priority date	Jun 22, 2022
Publication date	Apr 22, 2025
Grant date	Apr 22, 2025

Abstract

A display panel and a display device. The display panel includes sub-pixels, a driving circuit for driving at least a part of the sub-pixels, and a signal line connecting the sub-pixel and the driving circuit, the driving circuit is located on a side of the sub-pixel in a first direction, the signal line includes an extension segment extending along the first direction, a plurality of extension segments of a plurality of signal lines are arranged side by side along a second direction, and the first direction intersects the second direction. The display panel includes a plurality of region segments arranged side by side along the second direction, the plurality of region segments include at least two adjacent first region segment and second region segment.

First claim

What is claimed is:

1. A display panel, wherein the display panel comprises sub-pixels, a driving circuit for driving at least a part of the sub-pixels, and a signal line connecting the sub-pixel and the driving circuit, the driving circuit is located on a side of the sub-pixel in a first direction, the signal line comprises an extension segment extending along the first direction, a plurality of extension segments of a plurality of signal lines are arranged side by side along a second direction, and the first direction intersects the second direction;
wherein the display panel comprises a plurality of region segments arranged side by side along the second direction,
wherein at least a part of the signal lines each further comprises a connection segment, at least a part of the extension segments are connected to the sub-pixels via the connection segment, and the connection segment and the extension segment are located in different membrane layers.

2. The display panel according to claim 1 , wherein the region segment comprises a display segment and a transition segment arranged along the first direction, the sub-pixel is located in the display segment, and at least a part of the extension segment is located in the transition segment.

3. The display panel according to claim 2 , wherein at least two display segments adjacent along the second direction at least partially overlap, and/or at least two transition segments adjacent along the second direction at least partially overlap.

4. The display panel according to claim 2 , wherein in two adjacent region segments, the display segment of one region segment at least partially overlaps the transition segment of the other region segment along the second direction.

5. The display panel according to claim 2 , wherein the plurality of extension segments are evenly distributed along the second direction within the transition segment.

6. The display panel according to claim 2 , wherein a plurality of transition segments are combined to form a transition region where the plurality of extension segments are evenly distributed along the second direction.

7. The display panel according to claim 2 , wherein the region segment comprises the display segment and two transition segments, the two transition segments are separated on two sides of the display segment in the first direction, and the signal lines connected to a plurality of the sub-pixels within the display segment are symmetrically distributed in the two transition segments.

8. The display panel according to claim 7 , wherein the display segments of the plurality of region segments form a first display region, the first display region comprises four sub-regions having an identical area and an identical shape, and in any two adjacent sub-regions, a plurality of the sub-pixels and the signal lines connected to the plurality of the sub-pixels are arranged symmetrically.

9. The display panel according to claim 8 , wherein in the first display region, numbers of the sub-pixels of two display segments adjacent along the second direction are different; a shape of the first display region is an n-regular-polygon, n is greater than or equal to 4, or the shape of the first display region is a circle.

10. The display panel according to claim 8 , wherein the sub-region comprises two first side edges that are intersecting and equal, an intersection of the two first side edges is a center of the first display region, a length of the first side edge is R, a distribution width of the extension segment in the second direction is S, a distribution size of the sub-pixel is P, a same driving circuit is configured to drive n sub-pixels in the sub-region, and the length R of the first side edge satisfies:

R
S

=

π
⁢

R
2

P

/
4
⁢
n

or a width of the region segment in the first direction is W, and the length R of the first side edge satisfies:

R
W

⁢
M

=

π
*

R
2

P

/
4
⁢
n

wherein M=W/S, and M is a positive integer.

11. The display panel according to claim 8 , wherein a shape of the first display region is an n-regular-polygon, and R is an inscribed circle radius or a circumscribed circle radius of the first display region; or the first display region is a circle, and R is a radius of the first display region.

12. The display panel according to claim 1 , wherein the sub-pixel includes a pixel electrode, and at least a part of the connection segment and the pixel electrode are arranged in a same layer.

13. The display panel according to claim 1 , wherein the extension segments of the plurality of the signal lines are located in a same membrane layer.

14. The display panel according to claim 1 , further comprising a supplementary transition region located on at least one side of the region segment in the first direction, wherein at least a part of the signal lines are partially located in the supplementary transition region.

15. The display panel according to claim 1 , wherein the plurality of region segments comprise at least two adjacent first region segment and second region segment, the first region segment is provided with A 1 sub-pixels arranged side by side along the first direction and B 1 extension segments arranged side by side along the second direction, the second region segment is provided with A 2 sub-pixels arranged side by side along the first direction and B 2 extension segments arranged side by side along the second direction, A 1 is less than A 2 , A 1 is less than B 1 , and A 1 , B 1 , A 2 , and B 2 are all natural numbers.

16. A display panel, wherein the display panel comprises sub-pixels, a driving circuit for driving at least a part of the sub-pixels, and a signal line connecting the sub-pixel and the driving circuit, the driving circuit is located on a side of the sub-pixel in a first direction, the signal line comprises an extension segment extending along the first direction, a plurality of extension segments of a plurality of signal lines are arranged side by side along a second direction, and the first direction intersects the second direction;
wherein the display panel comprises a plurality of region segments arranged side by side along the second direction, and the region segment comprises a display segment and a transition segment arranged along the first direction, the sub-pixel is located in the display segment, and at least a part of the extension segment is located in the transition segment.

17. The display panel according to claim 16 , wherein the plurality of region segments comprise at least two adj

Assignees

• Yungu Guan Tech Co Ltd
• Yangu Guan Tech Co Ltd

Inventors

• Mi Lei
• Li Hongrui
• Liu Yusheng

Classifications

• H10D86/441

  Interconnections, e.g. scanning lines · CPC title

• H04N23/57 Primary

  Mechanical or electrical details of cameras or camera modules specially adapted for being embedded in other devices · CPC title

• H10K2102/10

  Transparent electrodes, e.g. using graphene · CPC title

• H10K59/8051

  Anodes · CPC title

• G09G3/3233

  with pixel circuitry controlling the current through the light-emitting element · CPC title