Display panel and device with touch layer metal grid at peripheries of pixel openings

Patent metadata

Field	Value
Publication number	US-12588385-B2
Application number	US-202318204700-A
Country	US
Kind code	B2
Filing date	Jun 1, 2023
Priority date	Mar 17, 2023
Publication date	Mar 24, 2026
Grant date	Mar 24, 2026

Abstract

A display panel includes a display panel comprising a display layer and a touch layer arranged on a side of the display layer. The display layer includes a plurality of subpixels and a plurality of pixel openings. The plurality of subpixels includes first color subpixels and second color subpixels. The plurality of pixel openings includes first color pixel openings and second color pixel openings. A first color subpixel corresponds to a first color pixel opening. A second color subpixel corresponds to a second color pixel opening. An area of the first color pixel opening is larger than an area of the second color pixel opening. The touch layer includes a plurality of touch electrodes insulated from each other, and the plurality of touch electrodes includes a plurality of electrically connected metal grids.

First claim

What is claimed is:

1 . A display panel, comprising a display layer and a touch layer arranged on a side of the display layer, wherein:
the display layer includes a plurality of subpixels and a plurality of pixel openings, the plurality of subpixels includes first color subpixels and second color subpixels, the plurality of pixel openings includes first color pixel openings and second color pixel openings, a first color subpixel corresponds to a first color pixel opening, a second color subpixel corresponds to a second color pixel opening, and an area of the first color pixel opening is larger than an area of the second color pixel opening, wherein the first color pixel opening is one of a red or blue pixel opening and the second color pixel opening is a green pixel opening; the touch layer includes a plurality of touch electrodes insulated from each other, the plurality of touch electrodes includes a plurality of electrically connected metal grids, and orthographic projections of the plurality of metal grids on a plane where the display panel is located are at peripheries of orthographic projections of the plurality of pixel openings on the plane where the display panel is located; disconnected parts are arranged between at least part of adjacent touch electrodes; the second color pixel openings include a plurality of first pixel openings arranged along a first direction, a first pixel opening of the plurality of first pixel openings includes a first edge and a second edge opposite along a second direction, and the first direction intersects the second direction, wherein the first pixel opening is a green pixel opening; and the first edges and the second edges are linear edges, an area between a line where the first edges are located and a line where the second edges are located is a first area, and the disconnected parts avoid the first area; or the first edges and the second edges are arc edges, a first tangent of the first edges and a second tangent of the second edges are parallel to the first direction, an area between the first tangent line and the second tangent line is a first area, and the disconnected parts avoid the first area.

2 . The display panel according to claim 1 , wherein:
the plurality of subpixels further includes third color subpixels, and the plurality of pixel openings further includes third color pixel openings, and a third color subpixel corresponds to a third color pixel opening; an area of the third color pixel opening is smaller than an area of the first color pixel opening, and greater than or equal to an area of the second color pixel opening; and along an extending direction of the first area, the disconnected parts do not overlap the third color pixel openings.

3 . The display panel according to claim 1 , wherein:
among adjacent touch electrodes, one touch electrode includes a first line segment, and the other touch electrode includes a second line segment, a surface of the first line segment facing the second line segment is a first end face, a surface of the second line segment facing the first line segment is a second end face, and a disconnected part is between the first end face and the second end face.

4 . The display panel according to claim 3 , wherein an orthographic projection of the first end face on the plane where the display panel is located is a first straight line segment, an orthographic projection of the second end face on the plane where the display panel is located is a second straight line segment, the first straight line segment is parallel to the second straight line segment, and is perpendicular to an extending direction of the first line segment.

5 . The display panel according to claim 4 , wherein along the extending direction of the first line segment, a minimum distance between a disconnected part and an edge of an orthographic projection of a second color pixel opening on the plane where the display panel is located is S 1 , and S 1 ≥5.9 μm.

6 . The display panel according to claim 3 , wherein an orthographic projection of the first end face on the plane where the display panel is located is a first straight line segment, an orthographic projection of the second end face on the plane where the display panel is located is a second straight line segment, the first straight line segment is parallel to the second straight line segment, and the first straight line segment intersects an extending direction of the first line segment at an angle that is not perpendicular.

7 . The display panel according to claim 6 , wherein:
orthographic projections of the first line segment and the second line segment on the plane where the display panel is located are adjacent to an orthographic projection of a second color pixel opening on the plane where the display panel is located; along an extending direction of the first line segment, the first straight line segment is located between the second straight line segment and the second color pixel opening; the first straight line segment includes a first end portion and a second end portion that are oppositely arranged, and along the extending direction of the first line segment, the first end is between the second end and the second color pixel opening; and along an arrangement direction of the first line segment and the second color pixel opening, the second end is between the first end portion and the second color pixel opening.

8 . The display panel according to claim 3 , wherein:
the first end face includes a first subsurface and a second subsurface that are connected; the second end face includes a third subsurface and a fourth subsurface that are connected; and the first subsurface is opposite to the third subsurface, and the second subsurface is opposite to the fourth subsurface.

9 . The display panel according to claim 8 , wherein a plane where the first subsurface is located intersects a plane where the second subsurface is located, a plane where the third subsurface is located intersects a plane where the fourth subsurface is located, the first subsurface is parallel to the third subsurface, or the second subsurface is parallel to the fourth subsurface.

10 . The display panel according to claim 8 , wherein the first end face also includes a fifth subsurface connected to the second subsurface, the second end face further includes a sixth subsurface connected to the fourth subsurface, and the fifth subsurface is opposite to the sixth subsurface.

11 . The display panel according to claim 10 , wherein:
a length of a line segment corresponding to an orthographic projection of the second subsurface on the plane where the display panel is located is greater than a length of a line segment corresponding to an orthographic projection of the first subsurface or the fifth subsurface on the plane where the display panel is located; and a length of a line segment corresponding to the orthographic projection of the fourth subsurface on the plane where the display panel is located is greater than a length of a line segment corresponding to an orthographic projection of the third subsurface or the sixth subsurface on the plane where the display panel is located.

12 . The display panel according to claim 3 , wherein the first end face includes a first arc-shaped surface, the second end face includes a second arc-shaped surface, the first arc-shaped surface includes a first protrusion, the second arc-shaped surface includes a second recess, and the shapes of the first protrusion and the second recess are fitted.

13 . The display panel according to claim 1 , comprising first pixel columns and second pixel columns arranged alternately alo

Assignees

• Wuhan Tianma Micro Electronics Co Ltd
• Wuhan Tianma Micro Electronics Co Ltd Shanghai Branch

Inventors

• Wei Qibing
• Zhang Peng
• Zhou Xingyao
• Wang Qingxia

Classifications

• G06F2203/04112

  Electrode mesh in capacitive digitiser: electrode for touch sensing is formed of a mesh of very fine, normally metallic, interconnected lines that are almost invisible to see. This provides a quite large but transparent electrode surface, without need for ITO or similar transparent conductive material · CPC title

• H10K59/352 Primary

  the areas of the RGB subpixels being different · CPC title

• H10K59/40

  OLEDs integrated with touch screens · CPC title

• G06F3/0446 Primary

  using a grid-like structure of electrodes in at least two directions, e.g. using row and column electrodes · CPC title

• G06F3/0443

  using a single layer of sensing electrodes · CPC title