Display device

Patent metadata

Field	Value
Publication number	US-12547288-B2
Application number	US-202418789749-A
Country	US
Kind code	B2
Filing date	Jul 31, 2024
Priority date	Sep 1, 2023
Publication date	Feb 10, 2026
Grant date	Feb 10, 2026

Abstract

The present disclosure relates to a display device including a first sensor electrode row including a plurality of first sensor electrodes and extending in a first direction in a sensing area and a second sensor electrode row extending in a second direction in the sensing area, wherein a width of the second sensor electrode row in the first direction is not constant, a first edge of the second sensor electrode row comprises a first boundary line and a second boundary line, and each of the first boundary line and the second boundary line crosses the first sensor electrode row.

First claim

What is claimed is:

1 . A display device comprising:
a first sensor electrode row including a plurality of first sensor electrodes and extending in a first direction in a sensing area; and a second sensor electrode row extending in a second direction in the sensing area, wherein a width of the second sensor electrode row in the first direction is not constant, wherein a first edge of the second sensor electrode row comprises a first boundary line and a second boundary line, and wherein each of the first boundary line and the second boundary line crosses the first sensor electrode row.

2 . The display device of claim 1 , wherein the first sensor electrodes disposed adjacent to each other are connected to each other through a bridge line.

3 . The display device of claim 2 , wherein the second sensor electrode row includes a second- 1 sensor electrode row and a second- 2 sensor electrode row more adjacent to a pad unit than the second-1 sensor electrode row.

4 . The display device of claim 3 , wherein a portion of a channel line connecting the second-1 sensor electrode row to a pad crosses the bridge line and is arranged in a different layer from the bridge line.

5 . The display device of claim 3 , wherein the second-1 sensor electrode row and the second-2 sensor electrode row are connected to a same pad arranged in the pad unit.

6 . The display device of claim 3 , wherein the second-1 sensor electrode row and the second-2 sensor electrode row are respectively connected to different pads arranged in the pad unit.

7 . The display device of claim 1 , wherein at least a portion of the second sensor electrode row arranged between two first sensor electrode rows includes a first portion and a second portion, and
wherein a width of the first portion in the first direction is greater than a width of the second portion in the first direction.

8 . The display device of claim 1 , wherein the second sensor electrode row includes a third portion and a fourth portion, and
wherein each of the third portion and the fourth portion is disposed in an area corresponding to one first sensor electrode row or two first sensor electrode rows.

9 . The display device of claim 8 , wherein a width of the third portion in the first direction constantly increases toward a pad unit.

10 . The display device of claim 9 , wherein a width of the fourth portion in the first direction constantly reduces toward the pad unit.

11 . The display device of claim 10 , wherein the third portion and the fourth portion are alternately arranged in the second direction, and
wherein the second sensor electrode row comprises a plurality of third portions and a plurality of fourth portions arranged alternately.

12 . The display device of claim 10 , wherein the second sensor electrode row comprises a second-1 sensor electrode row and a second-2 sensor electrode row disposed closer to a pad unit than the second-1 sensor electrode row, and
wherein each of the second-1 sensor electrode row and the second-2 sensor electrode row comprises the third portion and the fourth portion arranged alternately.

13 . A display device comprising:
a first sensor electrode row including a plurality of first sensor electrodes and extending in a first direction in a sensing area; and a second sensor electrode row extending in a second direction in the sensing area, wherein a first edge of the second sensor electrode row comprises a first boundary line and a second boundary line, and wherein the first boundary line is a diagonal line having a positive inclination and the second boundary line is a diagonal line having a negative inclination, and wherein each of the first boundary line and the second boundary line crosses the first sensor electrode row.

14 . The display device of claim 13 , wherein the first boundary line and the second boundary line are arranged in the second direction, and
wherein the first edge of the second sensor electrode row comprises a plurality of first boundary lines and a plurality of second boundary lines arranged alternately.

15 . The display device of claim 14 , wherein the second sensor electrode row comprises a second-1 sensor electrode row and a second-2 sensor electrode row disposed closer to a pad unit than the second-1 sensor electrode row is adjacent to the pad unit, and
wherein the first edge of the second-1 sensor electrode row and the second-2 sensor electrode row comprises the first boundary line and the second boundary line arranged alternately.

16 . The display device of claim 13 , wherein a second edge of the second sensor electrode row is a straight line.

17 . The display device of claim 16 , wherein the second sensor electrode row comprises a second-1 sensor electrode row and a second- 2 sensor electrode row disposed closer to a pad unit than the second- 1 sensor electrode row, and
wherein each of the second-1 sensor electrode row and the second-2 sensor electrode row comprises the first edge comprising the first boundary line and the second boundary line and the second edge provided in a straight line.

18 . An electronic device comprising:
a first sensor electrode row including a plurality of first sensor electrodes and extending in a first direction in a sensing area; and a second sensor electrode row extending in a second direction in the sensing area, wherein a first edge of the second sensor electrode row is a diagonal line having a positive inclination, and a second edge of the second sensor electrode row is a diagonal line having a negative inclination, and wherein a width of the second sensor electrode row constantly increases or decreases along the second direction.

19 . A display device comprising:
a first sensor electrode row including a plurality of first sensor electrodes and extending in a first direction in a sensing area; and a second sensor electrode row extending in a second direction in the sensing area, wherein a first edge of the second sensor electrode row is a diagonal line having a positive or negative inclination, and a second edge of the second sensor electrode row is a straight line, and wherein a width of the second sensor electrode row constantly increases or decreases along the second direction.

Assignees

• Samsung Display Co Ltd

Inventors

• BOK Seunglyong
• Kim Kicheol

Classifications

• G06F3/0445

  using two or more layers of sensing electrodes, e.g. using two layers of electrodes separated by a dielectric layer · CPC title

• G09G2354/00

  Aspects of interface with display user · CPC title

• G06F2203/04111

  Cross over in capacitive digitiser, i.e. details of structures for connecting electrodes of the sensing pattern where the connections cross each other, e.g. bridge structures comprising an insulating layer, or vias through substrate · CPC title

• H10K59/40 Primary

  OLEDs integrated with touch screens · 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