COLOR FILTER SUBSTRATE EMBEDDED WITH TOUCH SENSOR AND METHOD FOR MANUFACTURING THE SAME

• US 20130044384A1
• Filed: 11/28/2011
• Published: 02/21/2013
• Est. Priority Date: 08/19/2011
• Status: Abandoned Application

• Current Assignee: Samsung Electro-Mechanics Co., Ltd. (Samsung Group)
• Original Assignee: Samsung Electro-Mechanics Co., Ltd. (Samsung Group)
• Inventors: Kim, Young Jae, Song, Ha Yoon, Park, Ho Joon
• Application Number:
  US13/305,615
• Publication Number:
  US 20130044384A1
• Time in Patent Office: Days
• US Class Current: 359/885
• CPC Class Codes: B05D 5/06 to obtain multicolour or other optical effects B05D5/02 takes precedence
• CPC Class Codes: B05D 5/12 to obtain a coating with specific electrical properties
• CPC Class Codes: B32B 2457/208 Touch screens
• CPC Class Codes: B32B 37/12 characterised by using adhesives
• CPC Class Codes: B32B 37/14 characterised by the properties of the layers
• CPC Class Codes: B32B 37/18 involving the assembly of discrete sheets or panels only
• CPC Class Codes: G02B 5/20 Filters polarising elements G02B5/30
• CPC Class Codes: G02B 5/201 in the form of arrays
• CPC Class Codes: G02B 5/22 Absorbing filters G02B5/201 - G02B5/208 take precedence
• 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 3/0412 Digitisers structurally integrated in a display
• CPC Class Codes: Y10T 156/10 Methods of surface bonding and/or assembly therefor

Abstract

Disclosed herein is a color filter substrate embedded with a touch sensor, including: a transparent substrate; a metal mesh electrode formed on the transparent substrate; and a black matrix layer formed on the metal mesh electrode to correspond to a shape of the metal mesh electrode and having at least one opening area formed therein. According to the present invention, the metal mesh electrode and the black matrix are overlapped to be matched with each other, thereby making it possible to solve a moire phenomenon.

Claims

1. A color filter substrate embedded with a touch sensor, comprising:

a transparent substrate;

a metal mesh electrode formed on the transparent substrate; and

a black matrix layer formed on the metal mesh electrode to correspond to a shape of the metal mesh electrode and having at least one opening area formed therein.

2. The color filter substrate embedded with a touch sensor as set forth in claim 1, further comprising a color filter formed to correspond to the opening area of the black matrix layer and to be partially overlapped with the black matrix layer.

3. The color filter substrate embedded with a touch sensor as set forth in claim 1, wherein the metal mesh electrode includes:

a first metal mesh electrode formed on the transparent substrate;

an insulating layer formed on the first metal mesh electrode; and

a second metal mesh electrode formed on the insulating layer.

4. The color filter substrate embedded with a touch sensor as set forth in claim 3, wherein the second metal mesh electrode has a shape corresponding to that of the first metal mesh electrode and is overlapped to be matched with the first metal mesh electrode.

5. The color filter substrate embedded with a touch sensor as set forth in claim 3, wherein the insulating layer is stacked to correspond shapes of the first and second metal mesh electrodes.

6. The color filter substrate embedded with a touch sensor as set forth in claim 3, wherein the black matrix has a shape corresponding to those of the first and second metal mesh electrodes and is overlapped to be matched with the first and second metal mesh electrodes.

7. The color filter substrate embedded with a touch sensor as set forth in claim 3, wherein the second metal mesh electrode and the black matrix layer are adhered by an adhesive layer.

8. A method for manufacturing a color filter substrate embedded with a touch sensor, comprising:

providing a transparent substrate and forming a metal mesh electrode on the transparent substrate;

forming a black matrix layer with at least one opening area on the metal mesh electrode;

forming a color filter to correspond to the opening area of the black matrix layer and to be partially overlapped with the black matrix layer.

9. The method for manufacturing a color filter substrate embedded with a touch sensor as set forth in claim 8, wherein the metal mesh electrode has a shape corresponding to that of the black matrix layer.

10. A method for manufacturing a color filter substrate embedded with a touch sensor, comprising:

providing a transparent substrate and forming a first metal mesh electrode on a surface of the transparent substrate;

forming an insulating layer on the first metal mesh electrode to correspond to the first metal mesh electrode;

forming a second metal mesh electrode on the insulating layer to correspond to the insulating layer; and

forming a black matrix layer having a predetermined opening area on the second metal mesh electrode.

11. The method for manufacturing a color filter substrate embedded with a touch sensor as set forth in claim 10, wherein the second metal mesh electrode has a shape corresponding to that of the first metal mesh electrode and is overlapped to be matched with the first metal mesh electrode.

12. The method for manufacturing a color filter substrate embedded with a touch sensor as set forth in claim 10, wherein the black matrix layer has a shape corresponding to thoes of the first and second metal mesh electrodes and is overlapped to be matched with the first and second metal mesh electrodes.

13. The method for manufacturing a color filter substrate embedded with a touch sensor as set forth in claim 10, wherein the forming of the black matrix layer having the predetermined opening area on the second metal mesh electrode includes:

forming an adhesive layer on the second metal mesh electrode; and

stacking the black matrix layer on the adhesive layer.