Display panel and display device

Patent metadata

Field	Value
Publication number	US-10879276-B2
Application number	US-201916435045-A
Country	US
Kind code	B2
Filing date	Jun 7, 2019
Priority date	Dec 3, 2018
Publication date	Dec 29, 2020
Grant date	Dec 29, 2020

Abstract

A display panel comprises a display area and a non-display area surrounding the display area. The display area includes gate lines extending in a row direction, data lines extending in a column direction, and an irregular-shaped edge. The irregular-shaped edge includes at least one sub-edge which is recessed towards an inside of the display area to form a notch, and edges of the irregular-shaped edge other than the at least one sub-edge extend in the column direction. The non-display area includes a first sub-area disposed adjacent to the at least one sub-edge. The data lines include at least one irregular-shaped data line, and the at least one irregular-shaped data line includes a winding portion disposed at the first sub-area. The first sub-area includes a compensation electrode, and in a direction perpendicular to the display panel, the compensation electrode is at least partially overlapped with the winding portion.

First claim

What is claimed is:

1. A display panel, comprising:
a display area including a plurality of gate lines extending in a row direction, a plurality of data lines extending in a column direction, and an irregular-shaped edge, wherein the irregular-shaped edge includes at least one sub-edge which is recessed towards an inside of the display area to form a notch, and edges of the irregular-shaped edge other than the at least one sub-edge extend in the column direction; and
a non-display area surrounding the display area, wherein the non-display area includes a first sub-area disposed adjacent to the at least one sub-edge,
wherein the plurality of data lines include at least one irregular-shaped data line,
the at least one irregular-shaped data line includes a winding portion disposed at the first sub-area,
the first sub-area includes a compensation electrode, and
in a direction perpendicular to the display panel, the compensation electrode in the first sub-area of the non-display area disposed adjacent to the at least one sub-edge is at least partially overlapped with the winding portion of the at least one irregular-shaped data line recessed in the notch and connecting two regular-shaped data line portions recessed by the notch, such that the compensation electrode and an overlapped portion of the winding portion form a coupling capacitance to increase a load of the at least one irregular-shaped data line.

2. The display panel according to claim 1 , wherein:
the plurality of gate lines include at least one first gate line;
the at least one first gate line includes an extending portion disposed at the first sub-area; and
the compensation electrode is overlapped with the extending portion of the first gate line in the direction perpendicular to the display panel, such that the compensation electrode and an overlapped portion of the extending portion form another coupling capacitance to increase a load of the first gate line in addition to the load of the irregular-shaped data line.

3. The display panel according to claim 2 , wherein:
the extending portion is overlapped with the winding portion in the direction perpendicular to the display panel.

4. The display panel according to claim 1 , wherein:
the display area includes a common electrode, wherein the compensation electrode and the common electrode are disposed at a same layer and electrically connected to each other.

5. The display panel according to claim 1 , wherein:
the display area includes a plurality of touch control electrodes and a plurality of touch control lines,
wherein a touch control line is electrically connected to a touch control electrode, and
the gate lines, the data lines, and the touch control lines are disposed at different layers.

6. The display panel according to claim 5 , wherein:
the compensation electrode and the touch control electrodes are disposed at a same layer.

7. The display panel according to claim 5 , wherein:
the compensation electrode and the touch control lines are disposed at a same layer.

8. The display panel according to claim 5 , wherein:
the touch control electrode is multiplexed as a common electrode;
the display panel further includes a compensation signal line electrically connected to the compensation electrode, wherein the compensation signal line and the touch control line are disposed at a same layer.

9. The display panel according to claim 1 , wherein:
the display area includes a plurality of pixel electrodes, wherein the compensation electrode and the pixel electrodes are disposed at a same layer.

10. The display panel according to claim 1 , wherein:
the compensation electrode and the gate lines are disposed at a same layer.

11. The display panel according to claim 1 , further comprising:
a groove penetrating the display panel in a thickness direction of the display panel, wherein the groove and the first sub-area are disposed adjacent to each other in the row direction.

12. The display panel according to claim 1 , further comprising:
a first substrate;
a second substrate arranged opposite to the first substrate; and
a liquid crystal (LC) layer disposed between the first substrate and the second substrate,
wherein the first substrate is disposed with the plurality of gate lines and the plurality of data lines.

13. The display panel according to claim 12 , wherein:
the first substrate includes an array layer; and
the array layer includes a plurality of thin film transistors, wherein a thin film transistor includes a semiconductor portion, a gate electrode, a source electrode, and a drain electrode,
wherein the gate electrode and the plurality of gate lines are disposed at a same layer, and
the source electrode, the drain electrode and the plurality of data lines are disposed at a same layer.

14. A display device, comprising:
a display panel, wherein the display panel comprises:
a display area including a plurality of gate lines extending in a row direction, a plurality of data lines extending in a column direction, and an irregular-shaped edge, wherein the irregular-shaped edge includes at least one sub-edge which is recessed towards an inside of the display area to form a notch, and edges of the irregular-shaped edge other than the at least one sub-edge extend in the column direction; and
a non-display area surrounding the display area, wherein the non-display area includes a first sub-area disposed adjacent to the at least one sub-edge,
wherein the plurality of data lines include at least one irregular-shaped data line,
the at least one irregular-shaped data line includes a winding portion disposed at the first sub-area,
the first sub-area includes a compensation electrode, and
in a direction perpendicular to the display panel, the compensation electrode in the first sub-area of the non-display area disposed adjacent to the at least one sub-edge is at least partially overlapped with the winding portion of the at least one irregular-shaped data line recessed in the notch and connecting two regular-shaped data line portions recessed by the notch, such that the compensation electrode and an overlapped portion of the winding portion form a coupling capacitance to increase a load of the at least one irregular-shaped data line.

15. The display device according to claim 14 , wherein:
the display panel further includes a groove disposed adjacent to the first sub-area in the row direction; and
the display device further includes a light sensing element disposed at the groove.

16. The display device according to claim 14 , wherein:
the plurality of gate lines include at least one first gate line;
the at least one first gate line includes an extending portion disposed at the first sub-area; and
the compensation electrode is overlapped with the extending portion of the first gate line in the direction perpendicular to the display panel, such that the compensation electrode and an overlapped portion of the extending portion form another coupling capacitance to increase a load of the first gate line in addition to the load of the irregular-shaped data line.

Assignees

• Xiamen Tianma Micro Electronics Co Ltd

Inventors

• Wu Huangyao
• Zhou Hongbo
• Zhou Xiufeng
• Shen Boping

Classifications

• H10D86/411

  characterised by materials, geometry or structure of the substrates · CPC title

• H10D86/441 Primary

  Interconnections, e.g. scanning lines · CPC title

• H10D86/60 Primary

  wherein the TFTs are in active matrices · CPC title

• G02F1/136286 Primary

  Wiring, e.g. gate line, drain line · CPC title

• G02F1/136213

  Storage capacitors associated with the pixel electrode · CPC title