Patterns of electrically conducting polymers and their application as electrodes or electrical contacts

Abstract

Electronic devices having patterned electrically conductive polymers providing electrical connection thereto and methods of fabrication thereof are described. Liquid crystal display cells are described having at least one of the electrodes providing a bias across the liquid crystal material formed from a patterned electrically conductive polymer. Thin film transistors having patterned electrically conductive polymers as source drain and gate electrodes are described. Light emitting diodes having anode and coated regions formed from patterned electrically conductive polymers are described. Methods of patterning using a resist mask; patterning using a patterned metal layer; patterning the metal layer using a resist; and patterning the electrically conductive polymer directly to form electrodes and anode and cathode regions are described.

1 .- 60 . (canceled)  
     
     
         61 . An organic light-emitting diode comprising: 
 a substrate,    an anode structure,    an electroluminescent region,    and a cathode structure,    a patterned electrically conductive polymer electrically coupled to at least one of said anode region and said cathode region and covered by a protective layer of an abrasion and scratch resistant electrically conductive polymer.    
     
     
         62 .- 64 . (canceled)  
     
     
         65 . A diode according to  claim 61  wherein said electroluminescent region is formed from a material selected from the group consisting of an organic material and in inorganic material.  
     
     
         66 . A light emitting diode comprising a patterned electrically conductive polymer.  
     
     
         67 .- 131 . (canceled)  
     
     
         132 . A diode according to  claim 61  wherein said electroluminescent region is formed from an organic material.  
     
     
         133 . A diode according to  claim 61  wherein said diode electrically conductive material is selected from the group of one or more of substituted and unsubstituted polyparaphenylene vinylenes, polyparaphenylenes, polyanilines, polythiophenes, polyazines, polyfuranes, polypyrroles, polyselenophenes, poly-p-phenylene sulfides, polyacetylenes combinations thereof and blends thereof with other polymers and copolymers of the monomers thereof.  
     
     
         134 . A diode according to  claim 61  wherein said electroluminescent region is a conjugated polymer.  
     
     
         135 . A diode according to  claim 61  wherein said conjugated polymer is selected from the group of one or more of substituted and unsubstituted polyparaphenylene vinylenes, polyparaphenylenes, polyanilines, polythiophenes, polyazines, polyfuranes, polypyrroles, polyselenophenes, poly-p-phenylene sulfides, polyacetylenes combinations thereof and blends thereof with other polymers and copolymers of the monomers thereof.  
     
     
         136 . A diode according to  claim 66  comprising an electroluminescent region anode regions and cathode regions.  
     
     
         137 . A diode according to  claim 136  wherein at least one of said electroluminescent region, said anode region and said cathode region is selected from the group consisting of an electrically conductive polymer.  
     
     
         138 . A diode according  claim 136  wherein at least one of said electroluminescent region, said anode region, and said cathode region is formed from a conjugated polymer.  
     
     
         139 . A diode according to  claim 136  wherein at least one of said anode and cathode regions is an electrically conductive polymer and wherein said electroluminescent region is formed from a material selected from the group of consisting of an organic material and an inorganic material.