Display device and electronic device having the same

Patent metadata

Field	Value
Publication number	US-2026037094-A1
Application number	US-202519283936-A
Country	US
Kind code	A1
Filing date	Jul 29, 2025
Priority date	Jul 30, 2024
Publication date	Feb 5, 2026
Grant date	—

Abstract

An electronic device includes a display panel and an input sensor. The input sensor includes a plurality of first line components and a plurality of second line components. The first line components include (1-1)-th line components in a first region of the input sensor and (1-2)-th line components in a second region of the input sensor, and the second line components include (2-1)-th line components in the first region and (2-2)-th line components in the second region. The (2-1)-th line component has a smaller line width than the (2-2)-th line component.

First claim

What is claimed is:

1 . A display device comprising:
a display panel; and an input sensor on the display panel and including:
a sensing region including a first region and a second region having a larger area than the first region; and
a peripheral region located at an outer side of the sensing region;
wherein the input sensor comprises:
a first conductive layer comprising a plurality of first line components;
an insulating layer on the first conductive layer; and
a second conductive layer on the insulating layer and comprising a plurality of second line components,
wherein the first line components comprise (1-1)-th line components in the first region and (1-2)-th line components in the second region,
wherein the second line components comprise (2l -1)-th line components in the first region and (2l -2)-th line components in the second region,
wherein at least some of the (1-1)-th line components overlap a corresponding (2l -1)-th line component from among the (2l -1)-th line components, and the at least some of the (1-1)-th line components have a same line width as or a smaller line width than the corresponding (2l -1)-th line component,
wherein at least some of the (1-2)-th line components overlap a corresponding (2l -2)-th line component from among the (2l -2)-th line components, and the at least some of the (1-2)-th line components have a same line width as or a smaller line width than the corresponding (2l -2)-th line component, and
wherein the corresponding (2l -1)-th line component has a smaller line width than the corresponding (2l -2)-th line component.

2 . The display device of claim 1 , wherein the (1-1)-th line components and the (1-2)-th line components have substantially the same line width.

3 . The display device of claim 1 , wherein the plurality of first line components defines:
a first electrode comprising division electrodes arranged along a first direction and extending in a second direction crossing the first direction; first patterns between the division electrodes in the first direction and arranged along the second direction; and first bridge patterns between the first patterns in the first direction and arranged along the second direction, and wherein the first electrode, the first patterns, and the first bridge patterns are spaced in a plan view.

4 . The display device of claim 3 , wherein the plurality of second line components defines:
a second electrode extending in the first direction and having a plurality of openings defined therein; second patterns in a corresponding opening from among the plurality of openings and electrically connected in the second direction by the first bridge patterns; and second bridge patterns electrically connecting the first patterns in the first direction, and wherein the second electrode, the second patterns, and the second bridge patterns are spaced in a plan view.

5 . The display device of claim 4 , wherein the plurality of openings comprises first openings and second openings,
wherein the first openings and the second openings are alternately arranged along the first direction, and wherein the first openings overlap the second patterns, and the second openings do not overlap the second patterns.

6 . The display device of claim 5 , wherein the second openings overlap the first patterns.

7 . The display device of claim 4 , wherein the input sensor further comprises a trace line in the peripheral region and connected to a corresponding component one selected from among the first electrode, the second electrode, the first patterns, and the second patterns.

8 . The display device of claim 3 , wherein the first electrode is configured to induced a magnetic field in response to a current flowing therethrough.

9 . The display device of claim 1 , wherein the display panel comprises a plurality of light-emitting regions and a non-light-emitting region between the plurality of light-emitting regions, and
wherein the plurality of first line components and the plurality of second line components are in the non-light-emitting region and define mesh opening regions corresponding to the plurality of light-emitting regions.

10 . An electronic device comprising:
a display device comprising a display panel and an input sensor including a sensing region including a first region and a second region having a larger area than the first region; and a photo sensor located below the display device and overlapping the second region, wherein the input sensor comprises:
a first conductive layer comprising a plurality of first line components;
an insulating layer on the first conductive layer; and
a second conductive layer on the insulating layer and comprising a plurality of second line components,
wherein the first line components comprise (1-1)-th line components in the first region and (1-2)-th line components in the second region, and the second line components comprise (2l -1)-th line components in the first region and (2l -2)-th line components in the second region,
wherein at least some of the (1-1)-th line components overlap a corresponding (2l -1)-th line component from among the (2l -1)-th line components, and the at least some of the (1-1)-th line components have a same line width as or a smaller line width than the corresponding (2l -1)-th line component,
wherein at least some of the (1-2)-th line components overlap a corresponding (2l -2)-th line component from among the (2l -2)-th line components, and the at least some of the (1-2)-th line components have a same line width as or a smaller line width than the corresponding (2l -2)-th line component, and
wherein the corresponding (2l -1)-th line component has a smaller line width than the corresponding (2l -2)-th line component.

11 . The electronic device of claim 10 , further comprising an input device configured to generate a magnetic field of a resonant frequency.

12 . The electronic device of claim 11 , wherein the input device comprises a pen comprising an RLC resonant circuit.

13 . The electronic device of claim 11 , wherein the input device is charged by a magnetic field induced by current flowing through the second conductive layer.

14 . The electronic device of claim 10 , wherein the (1-1)-th line components and the (1-2)-th line components have substantially a same line width.

15 . The electronic device of claim 10 , wherein the plurality of first line components define:
a first electrode including division electrodes arranged along a first direction and extending in a second direction crossing the first direction; first patterns between the division electrodes in the first direction and arranged along the second direction; and first bridge patterns between the first patterns in the first direction and arranged along the second direction, and wherein the first electrode, the first patterns, and the first bridge patterns are spaced from each other in a plan view.

16 . The electronic device of claim 15 , wherein the plurality of second line components defines:
a second electrode extending in the first direction and having a plurality of openings defined therein; second patterns in a corresponding opening from among the plurality of openings and electrically connected in the second direction by the first bridge patterns; and second bridge patterns electrically connecting the first patterns in the first direction, and wherein the second electrode, the second patterns, and the second bridge patterns are spaced from each other in a plan view.

17 . The electronic device of claim 1

Assignees

• Samsung Display Co Ltd

Inventors

• Nam Youngwoo
• Kim Deokjung
• Lee Kyunghoe
• Jeong Hwan-Hee

Classifications

• 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

• G06F2203/04106

  Multi-sensing digitiser, i.e. digitiser using at least two different sensing technologies simultaneously or alternatively, e.g. for detecting pen and finger, for saving power or for improving position detection · CPC title

• H10K59/40

  OLEDs integrated with touch screens · CPC title

• H10K59/13

  comprising photosensors that control luminance · 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