Array substrate, display panel and display apparatus

Patent metadata

Field	Value
Publication number	US-11579495-B2
Application number	US-202217584236-A
Country	US
Kind code	B2
Filing date	Jan 25, 2022
Priority date	Jan 27, 2021
Publication date	Feb 14, 2023
Grant date	Feb 14, 2023

Abstract

An array substrate is provided. One of a first electrode layer and a second electrode layer in the array substrate includes at least one slit electrode. The slit electrode is disposed between two adjacent data leads in the array substrate, and includes an electrode connecting portion and a plurality of first strip-shaped sub-electrodes. The electrode connecting portion includes a first connecting section parallel to and adjacent to the data lead, and a distance between two adjacent first strip-shaped sub-electrodes in a direction parallel to an extending direction of the first connecting section gradually increases along a direction going away from the first connecting section.

First claim

What is claimed is:

1. An array substrate, comprising a base substrate, a first electrode layer, an insulating dielectric layer, and a second electrode layer which are laminated in sequence; wherein the array substrate further comprises a plurality of data leads; and one of the first electrode layer and the second electrode layer comprises at least one slit electrode;
the slit electrode is disposed between two adjacent data leads, and the slit electrode comprises an electrode connecting portion and a plurality of first strip-shaped sub-electrodes arranged in sequence, one end of each of the first strip-shaped sub-electrodes being connected to the electrode connecting portion; and
the electrode connecting portion comprises a first connecting section parallel to and adjacent to the data lead, wherein the plurality of first strip-shaped sub-electrodes are disposed on a same side of the first connecting section; and a distance between two adjacent first strip-shaped sub-electrodes in a direction parallel to an extending direction of the first connecting section gradually increases along a direction going away from the first connecting section;
wherein for one slit electrode, the first connecting section comprises a first end and a second end that are opposite; the first strip-shaped sub-electrode extends from the first end towards a side close to the second end along the direction going away from the first connecting section; in two adjacent first strip-shaped sub-electrodes, an inclination angle of one of the first strip-shaped sub-electrodes close to the second end is smaller than an inclination angle of the other first strip-shaped sub-electrode close to the first end; wherein the inclination angle of each of the first strip-shaped sub-electrodes is an angle between an extending direction of the first strip-shaped sub-electrode and the extending direction of the first connecting section, and the inclination angle of each of the first strip-shaped sub-electrodes is an acute angle;
the electrode connecting portion further comprises a second connecting section, and a first end of the second connecting section is connected to the first end of the first connecting section; wherein one ends of part of the plurality of first strip-shaped sub-electrodes are connected to the first connecting section, and one ends of the other first strip-shaped sub-electrodes are connected to the second connecting section; and
each of the first strip-shaped sub-electrodes has a first edge and a second edge which are opposite, and the first edge of the first strip-shaped sub-electrode is farther from a second end of the second connecting section than the second edge of the first strip-shaped sub-electrode is; and the first connecting section has a first edge and a second edge which are opposite to each other and are parallel to the extending direction of the first connecting section, and the second edge of the first connecting section is farther from the first strip-shaped sub-electrode than the first edge of the first connecting section is:
wherein in the plurality of first strip-shaped sub-electrodes connected to the first connecting section, a distance between first design reference points of any two adjacent first strip-shaped sub-electrodes is equal, wherein the first design reference point of the first strip-shaped sub-electrode is an intersection point of a first auxiliary design line of the first strip-shaped sub-electrode and an auxiliary design line of the first connecting section, wherein the first auxiliary design line of the first strip-shaped sub-electrode is a straight line on which an orthographic projection of the first edge of the first strip-shaped sub-electrode on the base substrate is located, and the auxiliary design line of the first connecting section is a straight line on which an orthographic projection of the first edge of the first connecting section on the base substrate is located.

2. The array substrate according to claim 1 , wherein in two adjacent first strip-shaped sub-electrodes, the inclination angle of one of the first strip-shaped sub-electrodes close to the second end is smaller than the inclination angle of the other first strip-shaped sub-electrode close to the first end by 1° to 3°.

3. The array substrate according to claim 2 , wherein in two adjacent first strip-shaped sub-electrodes, the inclination angle of one of the first strip-shaped sub-electrodes close to the second end is smaller than the inclination angle of the other first strip-shaped sub-electrode close to the first end by 1.5° to 2.5°.

4. The array substrate according to claim 1 , wherein when the slit electrode comprises 2M+1 first strip-shaped sub-electrodes arranged in sequence, the inclination angle of an (M+1) th first strip-shaped sub-electrode is 45°, M being a positive integer greater than or equal to 1.

5. The array substrate according to claim 1 , wherein when the slit electrode comprises 2M first strip-shaped sub-electrodes arranged in sequence, either the inclination angle of an M th first strip-shaped sub-electrode or the inclination angle of an (M+1) th first strip-shaped sub-electrode is 45°, M being a positive integer greater than or equal to 1.

6. The array substrate according to claim 1 , wherein when the slit electrode comprises 2M first strip-shaped sub-electrodes arranged in sequence, an average value of the inclination angle of an M th first strip-shaped sub-electrode and the inclination angle of an (M+1) th first strip-shaped sub-electrode is 45°, M being a positive integer greater than or equal to 1.

7. The array substrate according to claim 1 ,
wherein in the plurality of first strip-shaped sub-electrodes connected to the second connecting section, a distance between the first design reference points of two adjacent first strip-shaped sub-electrodes decreases sequentially along a direction going away from the first end of the first connecting section.

8. The array substrate according to claim 1 , wherein the slit electrode further comprises a plurality of second strip-shaped sub-electrodes arranged in sequence; one end of each of the second strip-shaped sub-electrodes is connected to the electrode connecting portion; the second strip-shaped sub-electrode extends from the second end of the first connecting section towards a side close to the first end of the first connecting section along the direction going away from the first connecting section;
in one slit electrode, the plurality of first strip-shaped sub-electrodes and the plurality of second strip-shaped sub-electrodes are disposed on a same side of the first connecting section; in two adjacent second strip-shaped sub-electrodes, an inclination angle of one of the second strip-shaped sub-electrodes close to the first end of the first connecting section is smaller than an inclination angle of the other second strip-shaped sub-electrode close to the second end of the first connecting section;
wherein the inclination angle of each of the second strip-shaped sub-electrodes is an angle between an extending direction of the second strip-shaped sub-electrode and the extending direction of the first connecting section, and the inclination angle of each of the second strip-shaped sub-electrodes is an acute angle.

9. The array substrate according to claim 8 , wherein in two adjacent second strip-shaped sub-electrodes, the inclination angle of one of the second strip-shaped sub-electrodes close to the first end of the first connecting section is smaller than the inclination angle of the other second strip-shaped sub-electrode close to the second end of the first connecting section by 1° to 3°.

10. The array substrate according to claim 9 , wherein in two adjacent second strip-

Assignees

• Boe Technology Group Co Ltd

Inventors

• Fang Zheng
• Liang Pengxia
• Yu Meina
• Shi Ge
• Yang Song
• Liu Yujie
• Han Jiahui
• Sun Yanliu
• Choi Hyunsic
• Li Hongpeng

Classifications

• G02F1/13439 Primary

  characterised by their electrical, optical, physical properties; materials therefor; method of making · CPC title

• G02F1/136286

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

• G02F1/133707 Primary

  Structures for producing distorted electric fields, e.g. bumps, protrusions, recesses, slits in pixel electrodes · CPC title

• G02F1/134309

  characterised by their geometrical arrangement · CPC title

• G02F1/134372

  for fringe field switching [FFS] where the common electrode is not patterned · CPC title