Touch window and display with the same

Patent metadata

Field	Value
Publication number	US-2017003821-A1
Application number	US-201515125536-A
Country	US
Kind code	A1
Filing date	Feb 25, 2015
Priority date	Mar 13, 2014
Publication date	Jan 5, 2017
Grant date	—

Abstract

Disclosed is a touch window including a substrate including a first region in which a touch is sensed and a second region provided at an edge of the first region, a sensing electrode to sense a touch position of the first region, and a wire connected with the sensing electrode. The wire includes comprises a first wire part provided in the first region and a second wire part provided in the second region.

First claim

1 . A touch window comprising:
a substrate comprising a first region in which a touch is sensed and a second region provided at an edge of the first region; a sensing electrode to sense a touch position of the first region; and a wire connected with the sensing electrode, wherein the wire comprises a first wire part provided in the first region and a second wire part provided in the second region.

2 . The touch window of claim 1 , wherein at least one of the first and second wire parts comprises a conductive pattern.

3 . The touch window of claim 1 , wherein the first wire part comprises a first conductive pattern.

4 . The touch window of claim 3 , wherein the second wire part comprises a second conductive pattern.

5 . The touch window of claim 1 , wherein a ratio of a width of the first wire part to a width of the second wire part is in a range of 1:1 to 1:5.

6 . The touch window of claim 1 , wherein the sensing electrode comprises a conductive pattern.

7 . The touch window of claim 1 , wherein the sensing electrode comprises first and second sensing electrodes, and the first and second sensing electrodes are provided on a same plane.

8 . The touch window of claim 7 , wherein the first sensing electrode faces the second sensing electrode.

9 . The touch window of claim 7 , wherein the first sensing electrode comprises first and second sensing parts having directionalities different from each other, and the second sensing part extending from the first sensing part.

10 . The touch window of claim 9 , wherein an angle formed between the first and second sensing parts is 90° or less.

11 . The touch window of claim 9 , further comprising a third sensing part extending from the second sensing part and having a directionality different from the directionality of the second sensing part.

12 . The touch window of claim 11 , wherein the second sensing electrode comprises a fourth sensing part and a fifth sensing part having directionalities different from each other, and the fifth sensing part extends from the fourth sensing part.

13 . The touch window of claim 12 , further comprising a sixth sensing part extending from the fifth sensing part and having a directionality different from the directionality of the fifth sensing part.

14 . A touch window comprising:
a substrate divided into an active region and an unactive region; a sensing electrode provided on the active region of the substrate and having a mesh shape; and a wire provided on the active region of the substrate to make contact with the sensing electrode and comprising a transparent conductive material, wherein the sensing electrode comprises a material different from a material of the wire.

15 . The touch widow of claim 14 , wherein the sensing electrode comprises a metallic material.

16 . The touch window of claim 14 , wherein the wire is provided on the sensing electrode at a contact area between the sensing electrode and the wire.

17 . The touch window of claim 16 , further comprising an insulating layer interposed between the sensing electrode and the wire and having a groove to expose a portion of the sensing electrode, wherein the sensing electrode makes contact with the wire through the groove.

18 . The touch window of claim 17 , wherein the groove exposes a top surface and a lateral side of the sensing electrode and a top surface of the substrate, and the wire makes contact with the top surface and the lateral side of the sensing electrode and the top surface of the substrate, which are exposed through the groove.

19 . The touch window of claim 17 , wherein the sensing electrode comprises a pattern layer and an electrode layer, the pattern layer comprises a first sub-pattern and a second sub-pattern adjacent to the first sub-pattern, and the electrode layer is provided on the first sub-pattern of the pattern layer.

20 . The touch window of claim 17 , wherein the sensing electrode comprises a pattern layer and an electrode layer, the pattern layer comprises an intaglio part and an embossed part, and the electrode layer is provided in the intaglio part of the pattern layer.

21 . The touch window of claim 14 , wherein the sensing electrode comprises a first electrode layer and a second electrode layer, and the wire is formed by extending a portion of the second electrode layer.

22 . The touch window of claim 21 , wherein the sensing electrode comprises a first electrode layer comprising a metallic material and a second electrode layer comprising a transparent conductive material.

23 . A touch panel comprising:
a substrate; first and second sensing electrodes provided on the substrate to sense a position; a first wire for electrical connection of the first sensing electrode; and a second wire for electrical connection of the second sensing electrode, wherein the first and second sensing electrodes are provided on a same plane, and the first sensing electrode is provided in the second sensing electrode.

24 . The touch panel of claim 23 , wherein a plurality of first sensing electrodes are provided, and at least one of the first sensing electrodes is provided in the second sensing electrode.

25 . The touch panel of claim 23 , wherein the first wire is provided in the second sensing electrode.

26 . The touch panel of claim 23 , wherein the first wire comprises a part surrounded by the second sensing electrode.

27 . The touch panel of claim 23 , wherein the second sensing electrode comprises first wire paths and the first wire passes through the first wire paths.

Assignees

• Lg Innotek Co Ltd

Inventors

• Jeon Eun Jung
• Kim Seung Jin
• Kim Jong Sun
• Yoo Kyoung Jong
• Moon Byung Youl
• Seong Dong Mug
• Shin Jun Sik
• Jeon Yu Hong
• Koo Chan Kyu

Classifications

• G06F3/0418 Primary

  for error correction or compensation, e.g. based on parallax, calibration or alignment · 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

• G06F3/0412

  Digitisers structurally integrated in a display · CPC title

• G06F2203/04108

  Touchless 2D- digitiser, i.e. digitiser detecting the X/Y position of the input means, finger or stylus, also when it does not touch, but is proximate to the digitiser's interaction surface without distance measurement in the Z direction · CPC title

• G06F3/047

  using sets of wires, e.g. crossed wires · CPC title