Touch panel

Patent metadata

Field	Value
Publication number	US-2016282993-A1
Application number	US-201615081865-A
Country	US
Kind code	A1
Filing date	Mar 26, 2016
Priority date	Mar 27, 2015
Publication date	Sep 29, 2016
Grant date	—

Abstract

A touch panel includes a bending region which is at least one region which is bendable in the touch panel based on an axis; a flat region which is a region which is not bendable in the touch panel; a first unit conductive pattern formed in the flat region and configured to sense a touch; and a second unit conductive pattern formed in the bending region and configured to sense the touch. A dimension of the second unit conductive pattern is smaller than that of the first unit conductive pattern due to an opening portion formed in the second unit conductive pattern.

First claim

What is claimed is:

1 . A touch panel, comprising:
a bending region which is at least one region which is bendable in the touch panel based on an axis; a flat region which is a region which is not bendable in the touch panel; a first unit conductive pattern formed in the flat region and configured to sense a touch; and a second unit conductive pattern formed in the bending region and configured to sense the touch, wherein a dimension of the second unit conductive pattern is smaller than that of the first unit conductive pattern due to an opening portion formed in the second unit conductive pattern.

2 . The touch panel of claim 1 , wherein a shape of the first unit conductive pattern is defined by an outer boundary portion, a shape of the second unit conductive pattern is defined by an outer boundary portion, and the first unit conductive pattern has a shape corresponding to the second unit conductive pattern.

3 . The touch panel of claim 2 , wherein the second unit conductive pattern includes a plurality of divided regions divided by the opening portion.

4 . The touch panel of claim 3 , wherein the divided regions of the second unit conductive pattern are connected to each other.

5 . The touch panel of claim 3 , wherein at least one of the plurality of divided regions of the second unit conductive pattern is separated with another divided region of the second unit conductive pattern.

6 . The touch panel of claim 1 , further comprising:
a first dummy pattern formed between adjacent unit conductive patterns including the first unit conductive pattern and the second unit conductive pattern.

7 . The touch panel of claim 1 , further comprising:
a second dummy pattern formed in the opening portion.

8 . The touch panel of claim 1 , wherein a dimension of the first unit conductive pattern and the second unit conductive pattern is a dimension of a region to which a conductive material is applied.

9 . The touch panel of claim 1 , wherein the bending region has a radius of curvature R when the touch panel is bent, and
the second unit conductive pattern has a width of πR/10 to πR/2.

10 . The touch panel of claim 1 , further comprising:
an auxiliary electrode formed on at least one of the first unit conductive pattern and the second unit conductive pattern.

11 . The touch panel of claim 1 , wherein the opening portion has a broken cross shape, a curved shape, or a linear shape.

12 . The touch panel of claim 3 , wherein the divided regions have dimensions different from each other.

13 . A touch panel, comprising:
a bending region which is at least one region which is bendable in the touch panel based on an axis; a flat region which is a region which is not bendable in the touch panel; a first unit conductive pattern formed in the flat region and configured to sense a touch; and a second unit conductive pattern formed in the bending region and configured to sense the touch, wherein the second unit conductive pattern has a plurality of divided regions divided by at least one opening portion, and the divided regions of the second unit conductive pattern are connected to each other.

14 . The touch panel of claim 13 , wherein the divided regions of the second unit conductive pattern are connected by a plurality of connection portions.

15 . The touch panel of claim 13 , wherein the second unit conductive pattern has a smaller dimension than the first unit conductive pattern.

16 . The touch panel of claim 13 , further comprising:
a first dummy pattern formed between adjacent unit conductive patterns including the first unit conductive pattern and the second unit conductive pattern.

17 . The touch panel of claim 13 , further comprising:
a second dummy pattern formed in the opening portion.

18 . The touch panel of claim 13 , wherein the bending region has a radius of curvature R when the touch panel is bent, and
the second unit conductive pattern has a width of πR/10 to πR/2.

19 . The touch panel of claim 13 , further comprising:
an auxiliary electrode formed on at least one of the first unit conductive pattern and the second unit conductive pattern.

20 . The touch panel of claim 13 , wherein the opening portion has a broken cross shape, a curved shape, or a linear shape.

Assignees

• Dongwoo Fine Chem Co Ltd

Inventors

• Song Byung Hoon

Classifications

• G06F3/044 Primary

  by capacitive means · CPC title

• G06F2203/04102

  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 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

• G06F3/0448

  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