TOUCH WINDOW AND TOUCH DEVICE

• US 20160188098A1
• Filed: 12/28/2015
• Published: 06/30/2016
• Est. Priority Date: 12/26/2014
• Status: Abandoned Application

• Current Assignee: LG Innotek Company Limited (LG Corporation)
• Original Assignee: LG Innotek Company Limited (LG Corporation)
• Inventors: HER, Jae Hak, KANG, Mun Suk, PARK, Soung Kyu, KWON, Do Youb, KIM, Kyoung Jin, LEE, Gyu Rin, CHOI, Gwang Hei, HONG, Beom Sun
• Application Number:
  US14/981,203
• Publication Number:
  US 20160188098A1
• Time in Patent Office: Days
• US Class Current: 1/1
• CPC Class Codes: B82Y 15/00 Nanotechnology for interacting, sensing or actuating, e.g. quantum dots as markers in protein assays or molecular motors
• CPC Class Codes: G06F 1/1652 the display being flexible, e.g. mimicking a sheet of paper, or rollable
• CPC Class Codes: G06F 2203/04102 Flexible digitiser, i.e. constructional details for allowing the whole digitising part of a device to be flexed or rolled like a sheet of paper
• CPC Class Codes: G06F 2203/04103 Manufacturing, i.e. details related to manufacturing processes specially suited for touch sensitive devices
• CPC Class Codes: G06F 3/04164 Connections between sensors and controllers, e.g. routing lines between electrodes and connection pads
• CPC Class Codes: G06F 3/0445 using two or more layers of sensing electrodes, e.g. using two layers of electrodes separated by a dielectric layer
• CPC Class Codes: G06F 3/0446 using a grid-like structure of electrodes in at least two directions, e.g. using row and column electrodes
• CPC Class Codes: Y10S 977/742 Carbon nanotubes, CNTs
• CPC Class Codes: Y10S 977/762 Nanowire or quantum wire, i.e. axially elongated structure having two dimensions of 100 nm or less
• CPC Class Codes: Y10S 977/834 Optical properties of nanomaterial, e.g. specified transparency, opacity, or index of refraction

Abstract

A touch window is provided that may include a substrate including an active area, an unactive area and a folding area defined therein; a sensing electrode provided on the substrate; a wire electrode connected to the sensing electrode and provided on the substrate; and a printed circuit board connected to the wire electrode. The sensing electrode may include a first sensing electrode extending in a first direction, the first sensing electrode including a plurality of patterns, and a folding line serving as a center of the folding area is provided between the plurality of patterns of the first sensing electrode.

Claims

1. A touch window comprising:

a substrate including an active area, an unactive area and a folding area;

a sensing electrode provided on the substrate;

a wire electrode electrically connected to the sensing electrode and provided on the substrate; and

a printed circuit board connected to the wire electrode,

wherein the sensing electrode includes a first sensing electrode extending in a first direction, the first sensing electrode including a plurality of patterns and a folding line serving as a center of the folding area is provided between the plurality of patterns of the first sensing electrode.

2. The touch window of claim 1, wherein at least two folding areas are defined on the substrate.

3. The touch window of claim 1, wherein the sensing electrode further includes a second sensing electrode extending in a second direction.

4. The touch window of claim 1, wherein a distance between the plurality of patterns of the first sensing electrode adjacent to the folding line is longer than a distance between other plurality of patterns of the first sensing electrode.

5. The touch window of claim 1, wherein a distance between the plurality of patterns of the first sensing electrode adjacent to the folding line is longer than a width of the folding area.

6. The touch window of claim 3, wherein the second sensing electrode is formed of a material different from a material of the first sensing electrode.

7. The touch window of claim 6, wherein the first sensing electrode includes indium tin oxide, indium zinc oxide, copper oxide, tin oxide, zinc oxide, titanium oxide or a mixture thereof, and

the second sensing electrode includes a nano wire, a photo sensitive nano wire film, a carbon nano tube, graphene, conductive polymer or a mixture thereof.

8. The touch window of claim 6, wherein the first sensing electrode includes indium tin oxide, indium zinc oxide, copper oxide, tin oxide, zinc oxide, titanium oxide or a mixture thereof, and

the second sensing electrode is formed of a metal having a mesh pattern.

9. The touch window of claim 1, wherein the first sensing electrode is divided into an upper first sensing electrode and a lower first sensing electrode based on the folding line, and

the wire electrode includes a first sub-wire electrode connected to the upper first sensing electrode and a second sub-wire electrode connected to the lower first sensing electrode.

10. The touch window of claim 3, wherein the second sensing electrode includes an opening portion provided in the folding area.

11. A touch window comprising:

a cover substrate;

a substrate provided on the cover substrate and including an active area, an unactive area and a folding area;

a sensing electrode on the active area of the substrate;

a wire electrode electrically connected to the sensing electrode and provided on the substrate;

a printed circuit board connected to the wire electrode;

at least two display panels provided on the active area of the substrate; and

a dummy portion provided on the folding area of the substrate.

13. The touch window of claim 11, wherein the active area is divided into a first active area and a second active area based on the folding area, and the touch window further includes a first display panel provided on the first active area and a second display panel provided on the second active area.

14. The touch window of claim 13, wherein the folding area is provided between a side surface of the first display panel and a side surface of the second display panel facing the side surface of the first display panel.

15. The touch window of claim 11, wherein the substrate includes a plurality of barrier layers.

16. The touch window of claim 15, wherein the barrier layer includes at least one first barrier layer and at least one second barrier layer, and

wherein the first barrier layer includes an inorganic material and the second barrier layer includes an organic material.

17. The touch window of claim 11, wherein the sensing electrode includes a first sensing electrode extending in a first direction and a second sensing electrode extending in a second direction different from the first direction.

18. The touch window of claim 17, further comprising an intermediate layer provided on a top surface of the substrate, wherein the second sensing electrode is provided on the intermediate layer.

19. The touch window of claim 17, wherein the first sensing electrode contacts with a first surface of the substrate, and the second sensing electrode contacts a second surface of the substrate opposite the first surface of the substrate.

20. The touch window of claim 11, wherein the display panel includes an organic electroluminescence light emitting display panel.

21. A touch window comprising:

a substrate including an active area, an unactive area and a folding area;

a sensing electrode on the substrate;

a wire electrode electrically connected to the sensing electrode and provided on the substrate;

a printed circuit board connected to the wire electrode; and

at least two display panels provided on the active area of the substrate,

wherein the sensing electrode includes a plurality of patterns,

a folding line serving as a center of the folding area is provided between the plurality of patterns of the sensing electrode, and

a dummy portion is provided on the folding area of the substrate.