Touch sensing structure and applications thereof

Abstract

A touch sensing structure including a transparent substrate and at least one touch sensing unit disposed on the transparent substrate is provided. Each touch sensing unit includes a first patterned electrode, a second patterned electrode, a conductive bridge and a patterned light-shielding layer. The second patterned electrode is isolated from the first patterned electrode and is separated into a first portion and a second portion by the first patterned electrode. A conductive bridge electrically connects the first portion and the second portion and is spatially separated from the first patterned electrode. The patterned light-shielding layer is disposed between the conductive bridge and the inner surface and at least partly overlaps the conductive bridge along a direction normal to the transparent substrate.

What is claimed is: 
     
         1 . A touch sensing structure, comprising:
 a transparent substrate; and   at least one touch sensing unit disposed on the transparent substrate, wherein the touch sensing unit comprises:
 a first patterned electrode; 
 a second patterned electrode includes a first portion and a second portion separated from the first portion, wherein the first portion and the second portion are separated by the first patterned electrode; 
 a conductive bridge electrically connected with the first portion and the second portion and spatially separated from the first patterned electrode; 
 a patterned light-shielding layer disposed on the conductive bridge and at least partly overlapping the conductive bridge along a direction normal to the transparent substrate; and 
 a patterned dielectric layer disposed between the patterned light-shielding layer and the transparent substrate. 
   
     
     
         2 . The touch sensing structure according to  claim 1 , wherein the size of the patterned light-shielding layer is substantially equivalent to that of the conductive bridge. 
     
     
         3 . A touch display apparatus, comprising:
 a touch sensing structure, comprising:
 a transparent substrate; and 
 at least one touch sensing unit disposed on the transparent substrate, wherein the touch sensing unit comprises:
 a first patterned electrode; 
 a second patterned electrode includes a first portion and a second portion separated from the first portion, wherein the first portion and the second portion are separated by the first patterned electrode; 
 a conductive bridge electrically connected with the first portion and the second portion and spatially separated from the first patterned electrode; 
 a patterned light-shielding layer disposed on the conductive bridge and at least partly overlapping the conductive bridge along a direction normal to the transparent substrate; and 
 
 a patterned dielectric layer disposed between the patterned light-shielding layer and the transparent substrate; and 
   a display panel disposed on one side of the touch sensing structure.   
     
     
         4 . A patterned display structure, comprising:
 a cover lens;   a light shielding layer disposed on the cover lens, wherein the light shielding layer has a plurality of openings and a plurality of light-shielding portions to define at least one display pattern; and   a metal layer covering the openings and the light-shielding portions of the light shielding layer;   wherein each light-shielding portion has a width substantially smaller than 100 micrometers (μm).