Display panel and display device

Patent metadata

Field	Value
Publication number	US-12216368-B2
Application number	US-202118272343-A
Country	US
Kind code	B2
Filing date	Nov 29, 2021
Priority date	Nov 29, 2021
Publication date	Feb 4, 2025
Grant date	Feb 4, 2025

Abstract

The present disclosure provides a display panel, including: a first panel and a second panel opposite to the first panel; the first panel includes: gate lines extending along a first direction and data lines extending along a second direction, and the gate lines and the data lines intersect to define pixel regions; the second panel includes: a plurality of support column periodic units arranged in an array along the first direction and the second direction, each support column periodic unit includes a plurality of support columns, and at least a part of the support columns each satisfy: a connection line between the support column and a support column closest thereto extends along a third direction, and an included angle between the third direction and the first direction is not equal to 0°. The present disclosure further provides a display device.

First claim

What is claimed is:

1. A display panel, comprising: a first panel and a second panel opposite to the first panel;
wherein the first panel comprises: gate lines extending along a first direction and data lines extending along a second direction, and the gate lines and the data lines intersect to define pixel regions; and
the second panel comprises: a plurality of support column periodic units arranged in an array along the first direction and the second direction, each of the plurality of support column periodic units comprises a plurality of support columns, and at least a part of the support columns each satisfy: an imaginary connection line between the support column and a support column closest thereto extends along a third direction, and an included angle between the third direction and the first direction is not equal to 0°,
wherein the first panel comprises a plurality of pixel regions each comprising a transistor and a pixel electrode, the pixel electrode comprises a plurality of first branch electrodes extending along a fourth direction and a plurality of second branch electrodes extending along a fifth direction, and the first branch electrodes are connected to the second branch electrodes;
the transistor has a gate electrode connected to a corresponding gate line, a source electrode connected to a corresponding data line, and a drain electrode connected to a corresponding pixel electrode; and
each of the data lines comprises a first portion and a second portion alternately arranged, the first portion is connected to the second portion, the first portion extends along the fourth direction, the second portion extends along the fifth direction, the first portion and the first branch electrodes are arranged along the first direction, and the second portion and the second branch electrodes are arranged along the first direction,
wherein a plurality of support columns in the second panel form a plurality of support column groups, and each of the plurality of support column groups comprises a plurality of support columns arranged along the third direction, and each support column in the support column group satisfies: an imaginary connection line between the support column and a support column closest thereto extends along the third direction,
wherein the plurality of support columns in each of the plurality of support column periodic units comprise: at least one main support column and a plurality of auxiliary support columns; and a ratio of the number of the at least one main support columns to the number of the plurality of auxiliary support columns in each of the plurality of the support column periodic units is in the range of 1:50 to 1:10,
wherein, in a direction perpendicular to the second panel, a part of main support columns in the second panel overlap the plurality of first branch electrodes in the first display panel;
and/or, in the direction perpendicular to the second panel, a part of the main support columns in the second panel overlap the plurality of second branch electrodes in the first display panel;
and/or, in the direction perpendicular to the second panel, a part of the main support columns in the second panel overlap the data lines in the first display panel;
and/or, in the direction perpendicular to the second panel, a part of the main support columns in the second panel at least partially overlap the gate lines in the first display panel;
and/or, in the direction perpendicular to the second panel, a part of auxiliary support columns in the second panel overlap the plurality of first branch electrodes in the first display panel;
and/or, in the direction perpendicular to the second panel, a part of the auxiliary support columns in the second panel overlap the plurality of second branch electrodes in the first display panel;
and/or, in the direction perpendicular to the second panel, a part of the auxiliary support columns in the second panel overlap the data lines in the first display panel;
and/or, in the direction perpendicular to the second panel, a part of the auxiliary support columns in the second panel overlap the gate lines in the first display panel;
and/or, in the direction perpendicular to the second panel, a part of the auxiliary support columns in the second panel overlap transistors in the first display panel.

2. The display panel of claim 1 , wherein the included angle between the third direction and the first direction is greater than or equal to 7°.

3. The display panel of claim 1 , wherein the first panel further comprises: a black matrix comprising a plurality of first light-shielding strips extending along the first direction and a plurality of second light-shielding strips extending along the second direction; and
the plurality of first light-shielding strips cover areas where the gate lines are located, and the plurality of second light-shielding strips cover areas where the data lines are located; and a width, at intersections with the data lines, of the black matrix along an extending direction of the gate lines is greater than a width of the black matrix between two adjacent pixel regions in an extending direction of the data lines.

4. The display panel of claim 1 , wherein the display panel is divided into a plurality of periodic regions arranged in an array along the first direction and the second direction, the plurality of periodic regions are in one-to-one correspondence with the plurality of support column periodic units, each of the plurality of support column periodic units is in a corresponding periodic region, and the periodic regions are rectangular in shape;
each of the plurality of support column periodic units comprises at least four main support columns, and four main support columns of the at least four main support columns are at four vertices of the corresponding periodic region respectively; and
four adjacent periodic regions arranged in a 2×2 array share one main support column at a common vertex.

5. The display panel of claim 4 , wherein a distance between two main support columns adjacent to each other in the first direction is greater than 500 μm; and
a distance between two main support columns adjacent to each other in the second direction is greater than 1000 μm.

6. The display panel of claim 4 , wherein support columns other than the four main support columns at the four vertices of the corresponding periodic region in each of the plurality of support column periodic units are divided into a plurality of support column sub-groups; and
each of the plurality of support column sub-groups comprises a plurality of support columns arranged along the third direction, and each of the plurality of support columns in the support column sub-group satisfies: an imaginary connection line between the support column and a column closest thereto extends along the third direction.

7. The display panel of claim 6 , wherein the support columns other than the four main support columns at the four vertices of the corresponding periodic region in each of the plurality of support column periodic units comprise: one main support column and seventy-seven auxiliary support columns.

8. The display panel of claim 6 , wherein the four main support columns at the four vertices of the corresponding periodic region in each of the plurality of support column periodic units are: a first main support column, a second main support column adjacent to the first main support column in the first direction, a third main support column adjacent to the second main support column in the second direction, and a fourth main support column adjacent to the third main support column in the first direction;
the support columns other than the four main support columns at the four vertices of the corresponding periodic

Assignees

• Hefei Boe Optoelectronics Tech
• Boe Technology Group Co Ltd

Inventors

• Wang Hui
• Liu Yuqi
• Zhang Qianqian
• Liu Yanni
• Wang Yijun
• Wang Sheng
• Chen Junsheng

Classifications

• G02F1/136286

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

• G02F1/133606

  including a specially adapted diffusing, scattering or light controlling members · CPC title

• G02F1/133512

  Light shielding layers, e.g. black matrix (G02F1/136209 takes precedence) · CPC title

• G02F1/133531

  characterised by the arrangement of polariser or analyser axes · CPC title

• G02F1/1362

  Active matrix addressed cells {(G02F1/134336, G02F1/134363 take precedence)} · CPC title