Capacitive Type Touch Panel

• US 20110018838A1
• Filed: 07/13/2010
• Published: 01/27/2011
• Est. Priority Date: 07/22/2009
• Status: Abandoned Application

• Current Assignee: RitFast Corporation
• Original Assignee: RITDISPLAY CORPORATION
• Inventors: Lee, Chih Yen
• Application Number:
  US12/835,262
• Publication Number:
  US 20110018838A1
• Time in Patent Office: Days
• US Class Current: 345/174
• CPC Class Codes: G06F 2203/04111 Cross over in capacitive digitiser, i.e. details of structures for connecting electrodes of the sensing pattern where the connections cross each other, e.g. bridge structures comprising an insulating layer, or vias through substrate
• 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 capacitive type touch panel comprises a transparent substrate, a transparent conductive layer, an insulating layer, and a plurality of first leads. The transparent conductive layer is overlaid on a surface of the transparent substrate and comprises a plurality of first electrodes, a plurality of second electrodes and a plurality of connecting lines. The plurality of first electrodes and the plurality of second electrodes are arranged in a staggered manner, and the plurality of connecting lines respectively connect two adjacent second electrodes. The insulating layer comprises a plurality of insulating areas, wherein the plurality of insulating areas are respectively overlaid on the plurality of connecting lines. The plurality of first leads are respectively disposed on the plurality of insulating areas and respectively connect two adjacent first electrodes. Each of the first electrodes and second electrodes has a pattern which is formed by transparent electrode leads.

Claims

1. A capacitive type touch panel, comprising:

a transparent substrate;

a transparent conductive layer overlaid on a surface of the transparent substrate and comprising a plurality of first electrodes, a plurality of second electrodes, and a plurality of connecting lines, wherein the plurality of first electrodes and the plurality of second electrodes are arranged in a staggered manner, and the plurality of connecting lines respectively connect two adjacent second electrodes;

an insulating layer comprising a plurality of insulating areas, wherein the plurality of insulating areas are respectively overlaid on the plurality of connecting lines; and

a plurality of first leads respectively disposed on the plurality of insulating areas and respectively connecting two adjacent first electrodes;

wherein each of the first electrodes and second electrodes has a pattern which is formed by transparent electrode leads.

2. The capacitive type touch panel of claim 1, further comprising a plurality of second leads respectively disposed on each of the transparent electrode leads.

3. The capacitive type touch panel of claim 1, wherein each of the first electrodes and second electrodes has a closed wiring pattern or an open wiring pattern which is formed by the transparent electrode leads.

4. The capacitive type touch panel of claim 3, wherein the closed wiring pattern is a mesh wiring pattern or a groove wiring pattern.

5. The capacitive type touch panel of claim 3, wherein the open wiring pattern is a radiating wiring pattern or a meandering wiring pattern.

6. The capacitive type touch panel of claim 1, further comprising a passivation layer overlaid on the first leads and/or on the second leads.

7. The capacitive type touch panel of claim 1, wherein the material of the first leads and second leads is polymer conductive material, conductive oxide or metal.

8. The capacitive type touch panel of claim 1, wherein the material of the transparent conductive layer is conductive oxide.

9. The capacitive type touch panel of claim 1, wherein the material of the transparent substrate is glass or a transparent polymer plate.

10. A capacitive type touch panel, comprising:

a first transparent substrate;

a first transparent conductive layer overlaid on a surface of the first transparent substrate and comprising a plurality of first electrodes and a plurality of first connecting lines, wherein the plurality of first connecting lines respectively connect the adjacent first electrodes;

is a second transparent substrate disposed on the first transparent conductive layer; and

a second transparent conductive layer disposed on the second transparent substrate and comprising a plurality of second electrodes and a plurality of second connecting lines, wherein the plurality of second connecting lines respectively connect the adjacent second electrodes;

wherein each of the first electrodes and second electrodes has a wiring pattern which is formed by transparent electrode leads.

11. The capacitive type touch panel of claim 10, wherein the first transparent conductive layer comprises a plurality of first dummy electrodes formed by transparent electrode leads, and the plurality of first electrodes and the plurality of first dummy electrodes are arranged in a staggered manner.

12. The capacitive type touch panel of claim 10, wherein the second transparent conductive layer comprises a plurality of second dummy electrodes formed by transparent electrode leads, and the plurality of second electrodes and the plurality of second dummy electrodes are arranged in a staggered manner.

13. The capacitive type touch panel of claim 10, further comprising a plurality of first leads respectively disposed on the transparent electrode leads of each of the plurality of first electrodes.

14. The capacitive type touch panel of claim 10, further comprising a plurality of second leads respectively disposed on the transparent electrode leads of each of the plurality of second electrodes.

15. The capacitive type touch panel of claim 10, further comprising a passivation layer overlaid on the first leads and/or second leads.

16. The capacitive type touch panel of claim 10, wherein the is wiring pattern is a mesh wiring pattern or a groove wiring pattern.

17. The capacitive type touch panel of claim 10, wherein the wiring pattern is a radiating wiring pattern or a meandering wiring pattern.

18. The capacitive type touch panel of claim 10, wherein the material of the first leads and second leads is polymer conductive material, conductive oxide or metal.

19. The capacitive type touch panel of claim 10, wherein the material of the first or second transparent conductive layer is conductive oxide.

20. The capacitive type touch panel of claim 10, wherein the material of the first or second transparent substrate is glass or a transparent polymer plate.