TOUCH SENSOR

• US 20110050631A1
• Filed: 08/23/2010
• Published: 03/03/2011
• Est. Priority Date: 08/25/2009
• Status: Abandoned Application

• Current Assignee: ZINITIX
• Original Assignee: Sain Infocom.
• Inventors: Shin, Hyung Cheol, Kim, Kyung Dae, KWON, Oh Jin, Yun, II Hyun, Lee, Jae Min
• Application Number:
  US12/861,223
• Publication Number:
  US 20110050631A1
• Time in Patent Office: Days
• US Class Current: 345/174
• CPC Class Codes: G06F 3/0443 using a single layer of sensing electrodes
• 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

Abstract

A touch sensor includes a plurality of operation patterns arranged in a first axis direction and supplied with a voltage, a dielectric material layer formed over the plurality of operation patterns, and a plurality of sense patterns formed over the dielectric material layer and arranged in a second axis direction to cross the first axis direction. At least one of the plurality of sense patterns has a parallel structure in which the sense pattern is separated into two or more lines, and the separated sense patterns are recombined once or more. A touch screen having a low resistance value can be obtained.

Claims

1. A capacitive touch sensor comprising:

a plurality of operation patterns; and

a plurality of sense pattern, each sense pattern including a plurality of lines intersecting at one or more points, wherein at least one of the plurality of sense patterns is configured to independently operated.

2. The touch sensor of claim 1, wherein the plurality of operation patterns is defined on a first layer and the plurality of sense patterns defined in a second layer different from the first layer.

3. The touch sensor of claim 1, wherein at least one of the plurality of operation patterns has a rectangular structure.

4. The touch sensor of claim 1, wherein the plurality of sense patterns extends along a first direction and the plurality of operation patterns extends along a second direction, so that each sense pattern overlaps two or more operation patterns and each operation patterns overlaps two or more sense patterns.

5. The touch sensor of claim 1, wherein the sense patterns have substantially the same width and the operation patterns have substantially the same width, the width of the operation patterns being wider than the width of the sense patterns.

6. The touch sensor of claim 1, wherein at least one of the plurality of operation patterns has a parallel structure in which the operation pattern is separated into two or more lines and the separated operation patterns are recombined once or more.

7. A touch sensor, comprising:

a plurality of operation patterns arranged in a first axis direction and supplied with a voltage;

a dielectric material layer formed over the plurality of operation patterns; and

a plurality of sense patterns formed over the dielectric material layer and arranged in a second axis direction to cross the first axis direction,

wherein at least one of the plurality of sense patterns has a parallel structure in which the sense pattern is separated into two or more lines and the separated sense patterns are recombined once or more.

8. The touch sensor of claim 7, further comprising a protection window formed over the plurality of sense patterns.

9. The touch sensor of claim 7, wherein the operation patterns and the sense patterns are made of a transparent conductive material.

10. The touch sensor of claim 7, wherein at least one of the plurality of operation patterns has a rectangular structure.

11. The touch sensor of claim 7, wherein at least one of the plurality of sense patterns has a parallel structure in which separation of the sense pattern into two or more lines and recombination of the separated sense patterns are repeated twice or more.

12. The touch sensor of claim 11, wherein the sense pattern is symmetrically separated into the two or more lines and the separated sense patterns are symmetrically recombined.

13. The touch sensor of claim 7, wherein at least one of the plurality of operation patterns has a parallel structure in which the operation pattern is separated into two or more lines and the separated operation patterns are recombined once or more.