Touch window

Patent metadata

Field	Value
Publication number	US-2016202804-A1
Application number	US-201614994805-A
Country	US
Kind code	A1
Filing date	Jan 13, 2016
Priority date	Jan 13, 2015
Publication date	Jul 14, 2016
Grant date	—

Abstract

A touch window is provided. The touch window may include a substrate including an active area and an unactive area, a first sensing electrode on the active area, a wire electrode on the unactive area, an intermediate layer on the substrate, a second sensing electrode on the intermediate layer, and a conductive layer on the wire electrode. The conductive layer may include a material that corresponds to a material constituting at least one of the first sensing electrode and the second sensing electrode.

First claim

What is claimed is:

1 . A touch window comprising:
a substrate including an active area and an unactive area; a first sensing electrode on the active area; a wire electrode on the unactive area; an intermediate layer on the substrate; a second sensing electrode on the intermediate layer; and a conductive layer on the wire electrode, wherein the conductive layer includes a material that corresponds to a material constituting at least one of the first sensing electrode and second sensing electrode.

2 . The touch window of claim 1 , wherein the intermediate layer is provided on the active area and the unactive area, and an exposure area is formed in the unactive area to expose the substrate.

3 . The touch window of claim 2 , wherein a second wire electrode is exposed through the exposure area.

4 . The touch window of claim 2 , wherein the wire electrode includes a first wire electrode connected with the first sensing electrode, and a second wire electrode connected with the second sensing electrode, and the second sensing electrode and the second wire electrode are connected with each other in the exposure area.

5 . The touch window of claim 1 , wherein at least one of the first sensing electrode, the second sensing electrode, and the wire electrode has a mesh shape.

6 . The touch window of claim 1 , wherein the conductive layer is provided on an area of the intermediate layer that corresponds to an area in which the wire electrode is provided.

7 . The touch window of claim 1 , wherein the conductive layer is provided on an entire surface of the unactive area on an insulating layer.

8 . A touch window comprising:
a substrate including an active area and an unactive area; a first sensing electrode and a second sensing electrode provided on the unactive area and spaced apart from each other on a same surface of the substrate; an insulating layer on the first sensing electrode and the second sensing electrode; a connection electrode connected with the first sensing electrode or the second sensing electrode on the insulating layer; a wire electrode on the unactive area; and a conductive layer on the wire electrode, wherein the conductive layer includes a material that corresponds to a material constituting the connection electrode.

9 . The touch window of claim 8 , wherein the insulating layer is provided on the active area and the unactive area.

10 . The touch window of claim 9 , wherein the conductive layer is provided on the insulating layer and provided on an entire surface of the unactive area.

11 . The touch window of claim 9 , wherein the conductive layer is provided on an area of the insulating layer that corresponds to an area in which the wire electrode is provided.

12 . The touch window of claim 8 , wherein at least one of the sensing electrode and the wire electrode has a mesh shape.

13 . The touch window of claim 8 , further comprising a decoration layer on the unactive area, wherein the wire electrode and the conductive layer are provided on the decoration layer, and wherein the substrate includes a cover substrate.

14 . A touch window comprising:
a cover substrate including an active area and an unactive area; a substrate on the cover substrate; a sensing electrode and a wire electrode on the substrate; and a conductive layer on the unactive area, wherein the conductive layer includes a material that corresponds to a material constituting the sensing electrode.

15 . The touch window of claim 14 , further comprising a decoration layer provided on the unactive area of the cover substrate, wherein the conductive layer is provided on the decoration layer.

16 . The touch window of claim 14 , wherein the substrate includes a first substrate on the cover substrate and a second substrate on the first substrate,
the sensing electrode includes a first sensing electrode on the first substrate and a second sensing electrode on the second substrate, the wire electrode includes a first wire electrode on the first substrate and a second wire electrode on the second substrate, and the conductive layer is provided on at least one of the first wire electrode and the second wire electrode.

17 . The touch window of claim 16 , wherein the conductive layer is provided on an area that corresponds to at least one of the first wire electrode and the second wire electrode.

18 . The touch window of claim 14 , wherein the sensing electrode includes a first sensing electrode on the cover substrate and a second sensing electrode on the substrate,
the wire electrode includes a first wire electrode on the cover substrate and a second wire electrode on the substrate, and the conductive layer is provided on at least one of the first wire electrode and the second wire electrode.

19 . The touch window of claim 18 , wherein the conductive layer is provided on an area that corresponds to at least one of the first wire electrode and the second wire electrode.

20 . The touch window of claim 14 , wherein the sensing electrode includes a first sensing electrode on a first surface of the substrate and a second sensing electrode on a second surface opposite to the first surface of the substrate,
the wire electrode includes a first wire electrode on the first surface and a second wire electrode on the second surface, and the conductive layer is provided on at least one of the first wire electrode and the second wire electrode.

Assignees

• Lg Innotek Co Ltd

Inventors

• Park Soung Kyu
• Lee Gyun Rin
• Kwon Do Youb
• Yun Seok Pyo
• Her Jae Hak

Classifications

• G06F2203/04107

  Shielding in digitiser, i.e. guard or shielding arrangements, mostly for capacitive touchscreens, e.g. driven shields, driven grounds · 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

• G06F3/044 Primary

  by capacitive means · CPC title

• G06F2203/04103

  Manufacturing, i.e. details related to manufacturing processes specially suited for touch sensitive devices · CPC title

• G06F3/0443 Primary

  using a single layer of sensing electrodes · CPC title