Touch Screen Panel

• US 20120229395A1
• Filed: 02/15/2012
• Published: 09/13/2012
• Est. Priority Date: 03/09/2011
• Status: Abandoned Application

• Current Assignee: Samsung Display Company Limited (Samsung Electronics Co. Ltd.)
• Original Assignee: Samsung Display Company Limited (Samsung Electronics Co. Ltd.)
• Inventors: Shin, Seob
• Application Number:
  US13/397,530
• Publication Number:
  US 20120229395A1
• Time in Patent Office: Days
• US Class Current: 345/173
• CPC Class Codes: G06F 2203/04103 Manufacturing, i.e. details related to manufacturing processes specially suited for touch sensitive devices
• CPC Class Codes: G06F 2203/04112 Electrode mesh in capacitive digitiser: electrode for touch sensing is formed of a mesh of very fine, normally metallic, interconnected lines that are almost invisible to see. This provides a quite large but transparent electrode surface, without need for ITO or similar transparent conductive material
• CPC Class Codes: G06F 3/0418 for error correction or compensation, e.g. based on parallax, calibration or alignment
• 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 screen panel includes a plurality of first and second sensing electrodes crossing each other and a plurality of coupling pads. Each of the coupling pads is coupled to a respective end of a corresponding one of the first sensing electrodes or the second sensing electrodes. The touch screen panel further includes a repair wiring line and an insulating layer interposed between the coupling pads and the repair wiring line. A defect such as a short is repairable by the repair wiring line so that manufacturing cost may be reduced.

Claims

1. A touch screen panel comprising:

a plurality of first and second sensing electrodes crossing each other;

a plurality of coupling pads, each of the coupling pads being coupled to a respective end of a corresponding one of the first sensing electrodes or the second sensing electrodes;

a repair wiring line; and

an insulating layer interposed between the coupling pads and the repair wiring line.

2. The touch screen panel as claimed in claim 1, wherein the coupling pads are positioned at a same layer as the first and second sensing electrodes.

3. The touch screen panel as claimed in claim 2, wherein the coupling pads comprise a same material as the first and second sensing electrodes.

4. The touch screen panel as claimed in claim 1, further comprising a plurality of driving wiring lines respectively coupled to the coupling pads.

5. The touch screen panel as claimed in claim 4, wherein each of the driving wiring lines is coupled to one of the two coupling pads coupled to both ends of a corresponding one of the first and second sensing electrodes.

6. The touch screen panel as claimed in claim 4, wherein the coupling pads respectively couple the driving wiring lines and the first and second sensing electrodes to each other through contact holes in the insulating layer.

7. The touch screen panel as claimed in claim 4, wherein the repair wiring lines are positioned at a same layer as the driving wiring lines.

8. The touch screen panel as claimed in claim 7, wherein the repair wiring lines comprise a same material as the driving wiring lines.

9. The touch screen panel as claimed in claim 1, wherein the repair wiring line comprises a plurality of repair wiring lines.

10. The touch screen panel as claimed in claim 1,

wherein the first sensing electrodes comprise a plurality of first sensing cells and a plurality of first coupling patterns for respectively coupling the plurality of first sensing cells to each other, and

wherein the second sensing electrodes comprise a plurality of second sensing cells and a plurality of second coupling patterns for respectively coupling the plurality of second sensing cells to each other.

11. The touch screen panel as claimed in claim 1, wherein the repair wiring line comprises a plurality of coupling units to be respectively coupled to the coupling pads.