Transparent conductive layered structure and method of producing the same, coating liquid for forming transparent coating layer and coating liquid for forming transparent conductive layer used in the production of transparent conductive layered structure, and display that uses transparent conductive layered structure

Abstract

The present invention relates to a transparent conductive layered structure which comprises a transparent substrate, a transparent conductive layer and a transparent coating layer formed successively in this order on the substrate, and is used in, for instance, the front panel of displays such as CRT, etc. The transparent conductive layered structure according to the invention is characterized in that the main components of the above-mentioned transparent conductive layer are gold microparticles or gold-containing noble metal microparticles containing 5 wt % or more of gold with a mean particle diameter of 1 to 100 nm, and a binder matrix comprising at least one functional group selected from mercapto groups (—SH), sulfide groups (—S), and polysulfide groups (—S x , X≧2). Film strength and weather resistance of the transparent conductive layer are improved because the noble metal microparticles and a binder matrix are firmly bonded via the above-mentioned functional groups.

What is claimed is:  
     
         1 . A transparent conductive layered structure, comprising a transparent substrate, a transparent conductive layer, and a transparent coating layer, the transparent conductive layer and the transparent coating layer being formed successively in this order on the transparent substrate; 
 wherein the main components of said transparent conductive layer are gold microparticles or gold-containing noble metal microparticles containing 5 wt % or more of gold with a mean particle diameter of 1 to 100 nm and a binder matrix comprising at least one functional group selected from mercapto groups (—SH), sulfide groups (—S—), and polysulfide groups (—S x —, X≧2).    
     
     
         2 . A transparent conductive layered structure according to  claim 1 , wherein the gold content in the gold-containing noble metal microparticles is set within a range of 50 to 95 wt %.  
     
     
         3 . A transparent conductive layered structure according to  claim 1 , wherein the gold-containing noble metal microparticles are gold-and-silver 2-component-type microparticles.  
     
     
         4 . A transparent conductive layered structure according to  claim 1 , wherein the main component of the binder matrix of the transparent conductive layer is silicon oxide.  
     
     
         5 . A transparent conductive layered structure according to  claim 1 , wherein the transparent coating layer has as its main component silicon oxide and comprises at least one functional group selected from mercapto groups (—SH), sulfide groups (—S—), and polysulfide groups (—S x —, X≧2).  
     
     
         6 . A transparent conductive layered structure according to  claim 1 , wherein the transparent conductive layer has a surface resistance of 5 to 3,000 Ω/□, and wherein a standard deviation of transmittance of a transparent 2-layered film, not including the transparent substrate and consisting of the transparent conductive layer and transparent coating layer, is 0 to 5% at each wavelength in 5 nm intervals in a visible light ray wavelength range (380 to 780 nm).  
     
     
         7 . A display device comprising a device body and a front panel arranged on the front side of the device body, 
 wherein the transparent conductive layered structure of  claim 1  is incorporated in the display device as the front panel with the transparent 2-layered film side facing the outside.    
     
     
         8 . A display device comprising a device body and a front panel arranged on the front side of the device body, 
 wherein the transparent conductive layered structure of  claim 2  is incorporated in the display device as the front panel with the transparent 2-layered film side facing the outside.    
     
     
         9 . A display device comprising a device body and a front panel arranged on the front side of the device body, 
 wherein the transparent conductive layered structure of  claim 3  is incorporated in the display device as the front panel with the transparent 2-layered film side facing the outside.    
     
     
         10 . A display device comprising a device body and a front panel arranged on the front side of the device body, 
 wherein the transparent conductive layered structure of  claim 4  is incorporated in the display device as the front panel with the transparent 2-layered film side facing the outside.    
     
     
         11 . A display device comprising a device body and a front panel arranged on the front side of the device body, 
 wherein the transparent conductive layered structure of  claim 5  is incorporated in the display device as the front panel with the transparent 2-layered film side facing the outside.    
     
     
         12 . A display device comprising a device body and a front panel arranged on the front side of the device body, 
 wherein the transparent conductive layered structure of  claim 6  is incorporated in the display device as the front panel with the transparent 2-layered film side facing the outside.