Electronic device comprising display panel and input sensor

Patent metadata

Field	Value
Publication number	US-12317726-B2
Application number	US-202418743531-A
Country	US
Kind code	B2
Filing date	Jun 14, 2024
Priority date	Jul 20, 2021
Publication date	May 27, 2025
Grant date	May 27, 2025

Abstract

An electronic device includes a display panel that includes a plurality of light emitting elements, and an input sensor disposed on the display panel and that includes a plurality of mesh patterns. The mesh patterns include a plurality of openings formed therein and spaced apart from each other in a first direction and a second direction that crosses the first direction. The mesh patterns include a plurality of conductive patterns spaced apart from each other in a direction that cross the first and second directions, where a center opening of the plurality of openings is disposed therebetween, and a plurality of mesh lines disposed along an edge of the center opening and connected to the conductive patterns. Each of the conductive patterns includes at least one cut-away portion opened toward one of the openings.

First claim

What is claimed is:

1. An electronic device, comprising:
a display panel that includes a plurality of light emitting areas and a non-light emitting area adjacent to the plurality of light emitting areas; and
an input sensor disposed on the display panel and that includes a mesh pattern, wherein the mesh pattern comprises:
a plurality of mesh openings formed therein, arranged along a first direction and a second direction that intersect each other and that overlap the plurality of light emitting areas, respectively;
a cross opening formed therein and that overlap the non-light emitting area and does not overlap the plurality of light emitting areas;
a first portion disposed along an edge of the plurality of mesh openings and that extends in the first direction and the second direction; and
a second portion disposed along an edge of the cross opening, and that extends in a third direction crossing the first and second directions and is connected to the first portion.

2. The electronic device of claim 1 , wherein the mesh pattern further comprises:
a first line that extends in a fourth direction that crosses the third direction; and
a second line and a third line that face the first line in the third direction, are spaced apart from each other in the fourth direction, and that extend in the fourth direction.

3. The electronic device of claim 2 , wherein the mesh pattern further comprises a cut-away portion that defines a separation space between the second line and the third line and that connects the cross opening with a mesh opening adjacent to the cross opening of the plurality of mesh openings.

4. The electronic device of claim 3 , wherein the cross opening is provided in plurality, and the plurality of the cross openings are spaced apart from each other in the third direction and the fourth direction with a center opening of the plurality of mesh openings disposed therebetween.

5. The electronic device of claim 2 , wherein the mesh pattern further comprises fourth and fifth lines spaced apart from the second and third lines with the first line interposed therebetween, wherein
each of the fourth and fifth lines faces the first line in the third direction and extends in the fourth direction, and the fourth and fifth lines are spaced apart from each other in the fourth direction.

6. The electronic device of claim 2 , wherein the mesh pattern further comprises a fourth line spaced apart from the second and third lines with the first line interposed therebetween, wherein
the fourth line faces the first line in the third direction and extends in the fourth direction.

7. The electronic device of claim 2 , wherein the mesh pattern further comprises a fourth line spaced apart from the first line with the second and third lines interposed therebetween, wherein
the fourth line faces the second and third lines in the third direction and extends in the fourth direction.

8. The electronic device of claim 1 , wherein the plurality of mesh openings include two or more openings that have different sizes, when viewed in a plan view,
first and second openings that are spaced apart from each other in the first direction wherein a center opening is disposed therebetween; and
third and fourth openings that are spaced apart from each other in the second direction wherein the center opening is disposed therebetween.

9. The electronic device of claim 8 , wherein a color of light emitted from a light emitting area that overlaps the center opening differs from a color of light emitted from light emitting areas that overlap the first to fourth openings.

10. The electronic device of claim 8 , wherein a same color light is emitted from a light emitting area that overlaps the first opening and a light emitting area that overlaps the second opening.

11. The electronic device of claim 8 , wherein a size of each of the third opening and the fourth opening is greater than the size of the first opening.

12. The electronic device of claim 1 , wherein the display panel comprises:
a display element layer that includes a plurality of light emitting elements that correspond to the plurality of light emitting areas; and
a thin film encapsulation layer disposed on the display element layer, wherein
the input sensor disposed directly on the thin film encapsulation layer.

Assignees

• Samsung Display Co Ltd

Inventors

• Bang Gyeongnam
• Kim Deokjung
• Kim Eunyoung

Classifications

• H10K59/131

  Interconnections, e.g. wiring lines or terminals · 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

• 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

• G06F3/0412 Primary

  Digitisers structurally integrated in a display · CPC title

• G06F3/0448 Primary

  Details of the electrode shape, e.g. for enhancing the detection of touches, for generating specific electric field shapes, for enhancing display quality · CPC title