Touch screen panel

• US 20120103777A1
• Filed: 06/03/2011
• Published: 05/03/2012
• Est. Priority Date: 10/27/2010
• Status: Active Grant

• Current Assignee: Samsung Display Company Limited (Samsung Electronics Co. Ltd.)
• Original Assignee: Samsung Display Company Limited (Samsung Electronics Co. Ltd.)
• Inventors: KANG, Sung-Ku
• Granted Patent: US 9,360,970 B2
• Time in Patent Office: Days
• US Class Current: 200/600
• CPC Class Codes: G06F 3/0443 using a single layer of sensing electrodes
• CPC Class Codes: G06F 3/0445 using two or more layers of sensing electrodes, e.g. using two layers of electrodes separated by a dielectric layer
• 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 transparent substrate having a screen area, a black matrix area adjacent to an outside of the screen area, and a decoration pattern area in the black matrix area. The touch screen panel also includes a plurality of conductive sensing cells in the screen area, and a black matrix corresponding to the black matrix area. The black matrix is on one surface of the transparent substrate, and the black matrix has one or more openings formed in the decoration pattern area. The touch screen panel further includes a conductive decoration pattern in the opening of the black matrix, and the conductive decoration pattern is grounded through a ground line connected thereto.

Claims

1. A touch screen panel, comprising:

a transparent substrate including a screen area, a black matrix area adjacent to an outside of the screen area, and a decoration pattern area in the black matrix area;

a plurality of conductive sensing cells in the screen area;

a black matrix corresponding to the black matrix area, the black matrix being on one surface of the transparent substrate, and the black matrix having one or more openings in the decoration pattern area; and

a conductive decoration pattern in the opening of the black matrix, the conductive decoration pattern being grounded through a ground line connected thereto.

2. The touch screen panel according to claim 1, wherein the conductive decoration pattern includes a plurality of patterns and all of the plurality of patterns are electrically connected to a common line.

3. The touch screen panel according to claim 2, wherein the plurality of patterns of the conductive decoration pattern are integrally patterned with the ground line.

4. The touch screen panel according to claim 1, wherein the ground line is at both sides of the transparent substrate.

5. The touch screen panel according to claim 1, further comprising a plurality of outer lines disposed in the black matrix area, each of the plurality of outer lines connecting conductive sensing cells along a first direction or second direction to an external driving circuit.

6. The touch screen panel according to claim 5, wherein the conductive decoration pattern is formed of a same material and is in a same layer as the outer lines.

7. The touch screen panel according to claim 5, wherein the conductive decoration pattern and the outer lines are formed of a same metallic material.

8. The touch screen panel according to claim 1, wherein the black matrix is along a periphery of a bottom surface of the transparent substrate, and the touch screen panel includes an overcoating layer on substantially the entire bottom surface of the transparent substrate having the black matrix formed thereon.

9. The touch screen panel according to claim 8, wherein the conductive decoration pattern and the conductive sensing cells are on the bottom surface of the transparent substrate having the overcoating layer formed thereon.

10. The touch screen panel according to claim 8, wherein the conductive decoration pattern and the conductive sensing cells are on one surface of a transparent film, and the transparent film being attached to the bottom surface of the transparent substrate on which the black matrix and the overcoating layer are formed thereon.

11. The touch screen panel according to claim 1, wherein the conductive decoration pattern includes a logo pattern.