Array substrate, gate driving circuit and display panel

Patent metadata

Field	Value
Publication number	US-10559604-B2
Application number	US-201816219960-A
Country	US
Kind code	B2
Filing date	Dec 14, 2018
Priority date	Jun 29, 2018
Publication date	Feb 11, 2020
Grant date	Feb 11, 2020

Abstract

An array substrate, a gate driving circuit and a display panel are provided. The array substrate includes a first display area, a second display area and an opening area. The opening area is surrounded by the first display area. Among the sub-pixels in the first display area, the sub-pixels in at least two adjacent columns are connected to a same first data line. Among the two sub-pixels in the same row electrically connected to the same first data line, one sub-pixel is connected to the first gate line, and the other sub-pixel is connected to the second gate line. For the sub-pixels in the second display area, the sub-pixels in different columns are connected to different second data lines, and the sub-pixels in different rows are connected to different gate lines.

First claim

The invention claimed is:

1. An array substrate, comprising:
a display area and a non-display area, wherein the display area comprises a first display area and a second display area, the non-display area comprises a first non-display area and a second non-display area, wherein the display area is surrounded by the first non-display area, the second non-display area comprises an opening area, and the opening area is surrounded by the first display area;
a plurality of gate line groups and a plurality of first data lines arranged in the first display area, wherein each of the gate line groups comprises a first gate line and a second gate line, and the plurality of gate line groups intersect with the first data lines to define a plurality of sub-pixels arranged in an array, and the sub-pixels in at least two adjacent columns are connected to a same first data line, and among the two sub-pixels in a same row electrically connected to the same first data line, one sub-pixel is connected to the first gate line, and the other sub-pixel is connected to the second gate line; and
a plurality of gate lines and a plurality of second data lines arranged in the second display area, wherein the plurality of gate lines intersect with the second data lines to define a plurality of sub-pixels arranged in an array, the sub-pixels in a same column are connected to a same second data line, and the sub-pixels in different columns are connected to different second data lines, and the sub-pixels in a same row are connected to a same gate line, and the sub-pixels in different rows are connected to different gate lines.

2. The array substrate according to claim 1 , wherein among the sub-pixels arranged in the first display area,
the sub-pixels in an odd column and the sub-pixels in an even column adjacent to the odd column are connected to a same first data line, and the sub-pixels in different odd columns are respectively connected to different first data lines; and
among the sub-pixels in the same row, the sub-pixels arranged in an odd column are connected to the first gate line, and the sub-pixels arranged in an even column are connected to the second gate line.

3. The array substrate according to claim 1 , wherein among the sub-pixels in two columns connected to the same first data line, the sub-pixels in one column are arranged on one side of the first data line, and the sub-pixels in the other column are arranged on the other side of the first data line.

4. The array substrate according to claim 1 , wherein
each of the first data lines comprises a first sub-data line, a bending lead line and a second sub-data line,
among the sub-pixels in two columns connected to the same first data line, the sub-pixels in one column form a first sub-pixel column, and the sub-pixels in the other column form a second sub-pixel column; and
the first sub-data line is arranged on a side of the first sub-pixel column away from the second sub-pixel column, the second sub-data line is arranged on a side of the first sub-pixel column close to the second sub-pixel column, and the first sub-data line is electrically connected to the second sub-data line through the bending lead line.

5. The array substrate according to claim 1 , wherein
the sub-pixels in m adjacent columns form a sub-pixel unit column, and
in the sub-pixel unit column, the sub-pixels in at least two adjacent columns are electrically connected to different first data lines in a case of being electrically connected to a same first gate line, and the sub-pixels in at least two adjacent columns are electrically connected to a same first data line in a case of being electrically connected to different second gate lines, wherein m is a positive integer greater than or equal to 3.

6. The array substrate according to claim 1 , wherein the first gate line electrically connected to the sub-pixels arranged in the same row is arranged on one side of the sub-pixels in the row, and the second gate line electrically connected to the sub-pixels arranged in the same row is arranged on the other side of the sub-pixels in the row.

7. The array substrate according to claim 1 , wherein each of the first gate line and the second gate line electrically connected to the sub-pixels arranged in the same row is arranged on a same side of the sub-pixels in the row.

8. The array substrate according to claim 1 , wherein
the non-display area comprises the opening area and a wiring area; and
the wiring area is arranged between the display area and the opening area, and the wiring area is surrounded by the display area, a plurality of data lead lines and a plurality of gate lead lines are arranged in the wiring area, the first data line is electrically connected to the second data line through the data line lead, and the plurality of the gate lead lines are connected with the plurality of the gate lines in a one-to-one correspondence manner.

9. The array substrate according to claim 8 , wherein
the plurality of data lead lines comprise a first data lead line and a second data lead line insulatively arranged in different layers, and
the first data lead line is electrically connected to one first data line and one second data line, and the second data lead line is electrically connected to another first data line and another second data line.

10. The array substrate according to claim 9 , wherein projection of the first data lead line on the array substrate at least partially overlaps projection of the second data lead line on the array substrate.

11. The array substrate according to claim 8 , wherein
the gate lead line comprises a first gate lead line and a second gate lead line insulatively arranged in the same layer; and
the first gate lead line is electrically connected to the first gate line, and the second gate lead line is electrically connected to the second gate line.

12. The array substrate according to claim 5 , wherein the sub-pixel unit column comprises a plurality of pixel units, and each of the pixel units comprises a red sub-pixel, a green sub-pixel and a blue sub-pixel.

13. The array substrate according to claim 12 , wherein each of the pixel units further comprises a white sub-pixel.

14. A gate driving circuit applied to the array substrate according to claim 1 , the gate driving circuit comprising
a plurality of cascaded first gate driving circuits; and
a plurality of cascaded second gate driving circuits,
wherein each of the first gate driving circuits comprises at least two gate signal output terminals, and in each of the first gate driving circuits, one of the gate signal output terminals is connected to one of the first gate lines arranged in the first display area, and the other of the gate signal output terminals is connected to one of the second gate lines arranged in the first display area; and
each of the second gate driving circuits comprises a gate signal output terminal, and the gate signal output terminal is connected to one of the gate lines arranged in the second display area.

15. A gate driving circuit applied to the array substrate according to claim 1 , the gate driving circuit comprising:
a first gate driving circuit group arranged on one side of the display area; and
a second gate driving circuit group arranged on the other side of the display area,
wherein the first gate driving circuit group comprises a plurality of cascaded third gate driving circuits and a plurality of cascaded fourth gate driving circuits, the second gate driving circuit group comprises a plurality of cascaded fifth gate driving circuits and a plurality of cascaded sixth gate driving circuits,
ea

Assignees

• Xiamen Tianma Micro Electronics Co Ltd

Inventors

• Zhan Xiaojing
• Wu Huangyao
• Liao Jinyuan
• Wu Changzhi

Classifications

• G09G2300/0426

  Layout of electrodes and connections · CPC title

• G09G2310/0267

  Details of drivers for scan electrodes, other than drivers for liquid crystal, plasma or OLED displays · CPC title

• G09G2300/0452

  Details of colour pixel setup, e.g. pixel composed of a red, a blue and two green components · CPC title

• G09G3/20 Primary

  for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix {no fixed position being assigned to or needed to be assigned to the individual characters or partial characters} · CPC title

• G09G3/2074

  using sub-pixels · CPC title