Display touch assembly and display apparatus

Patent metadata

Field	Value
Publication number	US-2025021181-A1
Application number	US-202418903576-A
Country	US
Kind code	A1
Filing date	Oct 1, 2024
Priority date	Apr 15, 2022
Publication date	Jan 16, 2025
Grant date	—

Abstract

Embodiments of this application provide a display touch assembly and a display apparatus. In an implementation, the display touch assembly includes a plurality of electrode blocks, a plurality of touch leads, and a plurality of pads. The electrode blocks include a first electrode block and a second electrode block. A plurality of first electrode blocks are arranged in a first direction to form a first touch electrode. A plurality of second electrode blocks are arranged in a second direction to form a second touch electrode. An end of the first touch electrode in the first direction is coupled to a first touch lead. An end of the second touch electrode in the second direction is coupled to a second touch lead. The plurality of electrode blocks are located in a display region. The plurality of pads are located in a non-display region. The display region includes a first corner.

First claim

1 . A display touch assembly, wherein the display touch assembly comprises:
a plurality of electrode blocks arranged in an array, wherein the electrode blocks comprise a plurality of first electrode blocks and a plurality of second electrode blocks, the plurality of first electrode blocks are arranged in a first direction to form a first touch electrode, a plurality of first touch electrodes are arranged in a second direction, the second direction intersects the first direction, adjacent first electrode blocks are coupled through a first connection part, the plurality of second electrode blocks are arranged in the second direction to form a second touch electrode, a plurality of second touch electrodes are arranged in the first direction, adjacent second electrode blocks are coupled through a second connection part, and the second connection part intersects the first connection part in an insulated manner; a plurality of touch leads and a plurality of pads, wherein in the first direction, the plurality of pads are located on a side of the plurality of electrode blocks, the touch leads are coupled to the pads, the touch leads comprise a first touch lead and a second touch lead, an end of the first touch electrode in the first direction is coupled to the first touch lead, and an end of the second touch electrode in the second direction is coupled to the second touch lead; and a display region and a non-display region, the plurality of electrode blocks are located in the display region, the plurality of pads are located in the non-display region, the display region comprises a first corner, and the first corner is located at an end of the display region close to the pad, wherein the display region comprises a routing region adjacent to the first corner, at least one signal line is disposed in the routing region, a routing direction of the signal line intersects the first direction, and the signal line comprises a partial line segment of at least one touch lead.

2 . The display touch assembly according to claim 1 , wherein the signal line comprises at least one of a first signal line or a second signal line, the first signal line is a partial line segment of the first touch lead, the first signal line comprises two endpoints, one endpoint is coupled to the first touch electrode in the display region, and the other endpoint is coupled to the pad, the second signal line is a partial line segment of the second touch lead, the second signal line comprises two endpoints, one endpoint is coupled to the second touch electrode, and the other endpoint is coupled to the pad.

3 . The display touch assembly according to claim 2 , wherein
the signal line comprises at least one shielding line, and the shielding line is located between the first signal line and the second signal line.

4 . The display touch assembly according to claim 1 , wherein
the signal line overlaps with neither the first touch electrode nor the second touch electrode.

5 . The display touch assembly according to claim 1 , wherein the display touch assembly further comprises:
a substrate and a display layer, the electrode block and the signal line are located on a side of the display layer away from the substrate, and the display layer comprises a plurality of pixels; and an orthographic projection of the signal line onto the display layer is located between adjacent pixels.

6 . The display touch assembly according to claim 5 , wherein
the signal line is a polyline, and a corner of the signal line is located in a virtual quadrilateral formed by four adjacent pixels.

7 . The display touch assembly according to claim 6 , wherein
the signal line comprises a first line segment and a second line segment, the first line segment and the second line segment are connected to each other to form the corner, at least a part of corners of the signal line have a first protrusion part and a second protrusion part, the first protrusion part protrudes from the corner in a direction away from the first line segment, and the second protrusion part protrudes from the corner in a direction away from the second line segment.

8 . The display touch assembly according to claim 6 , wherein
for two adjacent signal lines, one signal line comprises a second corner, the other signal line comprises a third corner, and the second corner and the third corner are adjacent and located in a same virtual quadrilateral.

9 . The display touch assembly according to claim 1 , wherein
a material of the signal line is same as a material of the electrode block.

10 . The display touch assembly according to claim 1 , wherein
the display region has an axis of symmetry extending in the first direction; a plurality of signal lines are disposed side by side in the routing region; and the signal line comprises two endpoints, and in the second direction, distances from the two endpoints of the signal line to the axis of symmetry are unequal.

11 . The display touch assembly according to claim 1 , wherein the display touch assembly further comprises:
a substrate and a display layer, the electrode block and the signal line are located on a side of the display layer away from the substrate, and the display layer comprises a plurality of pixels; the electrode block comprises a plurality of openings; and in a direction perpendicular to a plane in which the substrate is located, the opening overlaps with the pixel.

12 . A display apparatus, comprising a display touch assembly, wherein the display touch assembly comprises:
a plurality of electrode blocks arranged in an array, wherein the electrode blocks comprise a plurality of first electrode block and a plurality of second electrode blocks, the plurality of first electrode blocks are arranged in a first direction to form a first touch electrode, a plurality of first touch electrodes are arranged in a second direction, the second direction intersects the first direction, adjacent first electrode blocks are coupled through a first connection part, the plurality of second electrode blocks are arranged in the second direction to form a second touch electrode, a plurality of second touch electrodes are arranged in the first direction, adjacent second electrode blocks are coupled through a second connection part, and the second connection part intersects the first connection part in an insulated manner; a plurality of touch leads and a plurality of pads, wherein in the first direction, the plurality of pads are located on a side of the plurality of electrode blocks, the touch leads are coupled to the pads, the touch leads comprise a first touch lead and a second touch lead, an end of the first touch electrode in the first direction is coupled to the first touch lead, and an end of the second touch electrode in the second direction is coupled to the second touch lead; and a display region and a non-display region, the plurality of electrode blocks are located in the display region, the plurality of pads are located in the non-display region, the display region comprises a first corner, and the first corner is located at an end of the display region close to the pad, wherein the display region comprises a routing region adjacent to the first corner, at least one signal line is disposed in the routing region, a routing direction of the signal line intersects the first direction, and the signal line comprises a partial line segment of at least one touch lead.

13 . The display apparatus according to claim 12 , wherein the signal line comprises at least one of a first signal line or a second signal line, the first signal line is a partial line segment of the first touch lead, the first signal lin

Assignees

• Huawei Tech Co Ltd

Inventors

• Zhang Junyong

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

• G06F3/0446

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

• G06F3/0412 Primary

  Digitisers structurally integrated in a display · CPC title

• G06F3/0443

  using a single layer of sensing electrodes · CPC title

• G06F3/04164

  Connections between sensors and controllers, e.g. routing lines between electrodes and connection pads · CPC title